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CITY COUNCIL WORK SESSION
April 06, 2015
5:00 PM, City Council Chambers
MEETING AGENDA
I. Civic Space Relocation Criteria
II. Construction Management Plan
Page 1 of 2
MEMORANDUM
T O : Mayor and City Council
FROM: Jack Wheeler, Capital Asset Manager
THRU: Scott Miller, Public Works Director
DATE OF MEMO: April 3, 2015
WORK SESSION DATE: April 6, 2015
RE: Civic Space Relocation Project Work Session
REQUEST OF COUNCIL: Council to identify important criteria design criteria for the two
options
PREVIOUS COUNCIL ACTION: The last Council action on The Civic Replacement Project
was on March 16, consent agenda approvals of the architectural design and construction manager
as agent contracts. The team started work on the design process in March.
BACKGROUND: The project team has a goal to develop the two options to conceptual level
design to present to council on May 19th. The Team held its first stakeholder meeting and public
open house on April 2nd to discuss design criteria and find out the important values the
community want to see in new facilities. The results of the meetings are attached.
DISCUSSION: The project has two significant parts, city offices and a police facility. We
know that the solution needs to be humble, responsible, far reaching, and appropriate to the
community values. The discussion today, led by Charles Cunniffe, of Charles Cunniffe
Architects, and Richard Shaw of Design Workshop, is to review with Council what we heard at
the meeting held on April 2 and to have a discussion on what council would like to bring forward
as criteria design values.
The stakeholder were identified as people who had a direct connection or interest to the project,
i.e. neighbors, users, elected officials, candidates, and staff. We had a great turn out and
significant participation responding to the questions.
The public open house saw great participation responding to the questions.
Rob Taylor with Rider Levett Bucknall has complied a summary (attached) of the responses and
details area that in the future meeting we will need further clarification.
ENVIRONMENTAL IMPACTS: The project team is in the process of defining the design
criteria for a sustainable long lasting responsible facility. One of the major components is
whether or not we should achieve LEED certification. While there is cost to hang the plaque, the
team feels that this a recognizable standard that speaks to who we are as a community. The cost
of the certification brings a value and knowledge in a measurable accountable process.
FINANCIAL/BUDGET IMPACTS: The project budget remains unchanged and the team is
using the ROM budget as the cost containment benchmark. We are currently including the cost
of the LEED certifications within the ROM budget.
P1
I.
Page 2 of 2
RECOMMENDED ACTION: Council to give the team direction on criteria design to
maintain a set a values as the design of the project moves forward.
CITY MANAGER COMMENTS:
ATTACHMENTS:
Exhibit I – Community presentation
Exhibit II – Community response
Exhibit III – Stakeholder response
Exhibit IV – Combined response boards
Exhibit V - Data summary
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COUNCIL 8 September 15 Worksession General progress update Budget status Public commentCOUNCIL 9 December 15 Worksession General progress update Budget status
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COMBINED STAKEHOLDER AND COMMUNITY MEETING INPUT
BUILDING RELOCATION PROJECT - POLICE AND CITY SERvICES fACILITIESCONCEPTUAL DESIGN
APRIL 2, 2015
STAKEHOLDERS = RED DOTS
COMMUNITY = GREEN DOTS
P
4
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COMBINED STAKEHOLDER AND COMMUNITY MEETING INPUT
BUILDING RELOCATION PROJECT - POLICE AND CITY SERvICES fACILITIESCONCEPTUAL DESIGN
APRIL 2, 2015
STAKEHOLDERS = RED DOTS
COMMUNITY = GREEN DOTS
P
5
0
I
.
COMBINED STAKEHOLDER AND COMMUNITY MEETING INPUT
BUILDING RELOCATION PROJECT - POLICE AND CITY SERvICES fACILITIESCONCEPTUAL DESIGN
APRIL 2, 2015
STAKEHOLDERS = RED DOTS
COMMUNITY = GREEN DOTS
P
5
1
I
.
memorandum
To Jack Wheeler City of Aspen
CC Scott Miller City of Aspen
From Rob Taylor
Date Friday April 3, 2015 for April 6, 2015 worksession
Subject Aspen Civic Space Relocation Project – Outreach
Analysis Reference No. ABRP01
Jack;
The purpose of this memo is to present the data and trends from the two outreach meetings for the
Aspen Civic Space Relocation Project. The stakeholder group and community were invited to attend
sessions at the Rio Grande Meeting room on April 2, 2015 at 12:00pm and 5:00pm respectively.
This memo covers the ranking of each of 11 questions that were posed to the groups. The stakeholders
and community were invited to prioritize their position on a topic by placin g a colored dot along a scale
(refer Attachment B)
Background
With future loss of leases to the Housing Dept, Building and Engineering Depts and Aspen Police Dept,
the facilities masterplan was developed through 2014 to propose various options as a solution to the City
of Aspen’s current departmental space shortages and needs.
On November 17, 2014 Council gave direction to further the two options generally favored by the
stakeholder group and community. These are the options at the Armory/540 Main St and Rio
Grande/540 Main St.
Community Group Top 5 Prioritized Scores
Against, inclusion of an affordable restaurant
Yes, for the concept at Rio Grande/540 Main
Yes, for limited use of community gathering at City Service building
Yes, for world class sustainability
Yes, for humble architectural presence
Stakeholder Group Top 5 Prioritized Scores
Yes, for two building configuration
Yes, for the concept at Rio Grande/540 Main
Yes, for interior space at Police to facilitate greater community interaction
Yes, for outdoor public space
Against, the concept at Armory/540 Main
P52
I.
03 April 2015
Memorandum Page 2
Common Ground
Support, high sustainable goals, at least LEED gold
Support, 40 year future needs planning
Against, the concept at Armory/540 Main
Support, the concept at Rio Grande/540 Main
Community
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0
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20%40%60%80%100%
1 Sustainable Goals
Average, to world class
Community Stakeholder
Community
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8
10
12
20%40%60%80%100%
5 Future Needs Planning
10 years to 50 years
Community Stakeholder
P53
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03 April 2015
Memorandum Page 3
Community
Stakeholder
0
2
4
6
8
10
12
14
20%40%60%80%100%
10 Concept at Armory/540 Main
Not favored, to favored
Community Stakeholder
Community
Stakeholder
0
5
10
15
20
25
20%40%60%80%100%
11 Concept at Rio Grande/540 Main
Not favored, to favored
Community Stakeholder
P54
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03 April 2015
Memorandum Page 4
Middle Ground
architectural character - leans to agreement for forward looking
affordable restaurant - leans to a no, community strongly against, stakeholders would consider
configuration - agreement for less buildings, community more accepting of 3 addresses,
stakeholder preference for 2 addresses
Largest “within group” variance/disagreement – need to investigate this further
community group - architectural character - split between traditional and innovative
Community
Stakeholder
0
2
4
6
8
10
12
14
20%40%60%80%100%
2 Architectural Character
Traditional to innovative
Community Stakeholder
Community
Stakeholder
0
5
10
15
20
25
20%40%60%80%100%
8 Incorporate Affordable Restaurant
Strongly no, to strongly yes
Community Stakeholder
P55
I.
03 April 2015
Memorandum Page 5
Community
Stakeholder
0
2
4
6
8
10
12
14
16
18
20%40%60%80%100%
9 Configuration
Multiple locations, to few locations
Community Stakeholder
P56
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03 April 2015
Memorandum Page 6
Largest Variance Between Stakeholders and Community
architectural presence - stakeholders tending toward important presence, community tends
toward middle ground, less attention
public outdoor space - stakeholders strongly in favor of high level of public gathering space,
community tends toward small/low key space
community interaction at police - agreement on some space with stakeholders more in favor of
space to facilitate stronger community-police interaction
community meeting at city services building - stakeholders tend toward having more interior
meeting space for community, community sees this should be limited space
Community
Stakeholder
0
2
4
6
8
10
12
14
20%40%60%80%100%
3 Architectural Presence
Humble to landmark
Community Stakeholder
Community
Stakeholder
0
2
4
6
8
10
12
14
16
20%40%60%80%100%
4 Public Outdoor Space
None to high level
Community Stakeholder
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03 April 2015
Memorandum Page 7
Community
Stakeholder
0
2
4
6
8
10
12
14
16
20%40%60%80%100%
6 Community Interaction at Police Facility
None to a high level
Community Stakeholder
Community
Stakeholder
0
2
4
6
8
10
12
14
16
18
20%40%60%80%100%
7 Community Meeting Space at City Facility
None, to a high level
Community Stakeholder
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03 April 2015
Memorandum Page 8
Next steps
Five key criteria need to be reviewed more with the stakeholder and community groups to understand
variances:
architectural presence - stakeholders tending toward important presence, community tends
toward middle ground with less attention
public outdoor space - stakeholders strongly in favor of connection with outdoor, community
tends toward small/low key space
community interaction at police - agreement on some space with stakeholders more in favor of
space to facilitate interaction
community meeting at city services building - stakeholders tend toward having more interior
meeting space for community, community sees this should be limited space
community group - architectural character variance – given the within group split between
traditional and innovative, more understanding of both viewpoints is required to help ensure the
building looks the way the community desires
Please contact me for any queries relating the attached or above.
Sincerely,
Rob Taylor
Associate Principal
Rider Levett Bucknall Ltd
Encl: A. Tabulated Data
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03 April 2015
Memorandum Page 9
Attachment A
ASPEN BUILDING RELOCATION PROJECT
STAKEHOLDER AND PUBLIC OUTREACH RESPONSES
Meetings on April 2015, 12.00pm and 5.00pm
20%40%60%80%100%#Votes Average position Variance
1 Sustainable Goals Community 2 1 0 13 14 30 84%
Stakeholder 2 0 4 12 7 25 78%-6%
2 Architectural Character Community 13 5 0 8 11 37 59%
Stakeholder 1 0 6 8 10 25 81%21%
3 Architectural Presence Community 14 3 7 6 6 36 53%
Stakeholder 2 0 4 9 9 24 79%26%
4 Public Outdoor space Community 5 8 10 4 8 35 61%
Stakeholder 0 0 3 6 15 24 90%29%
5 Future Needs Community 1 6 5 9 12 33 75%
Stakeholder 0 0 2 11 8 21 86%11%
6 Community interaction@police Community 6 1 11 4 11 33 68%
Stakeholder 0 0 2 4 16 22 93%25%
7 Community meeting@city Community 1 4 17 3 7 32 67%
Stakeholder 0 0 1 8 12 21 90%24%
8 Affordable restaurant Community 24 3 3 0 3 33 33%
Stakeholder 7 5 7 0 4 23 50%18%
9 Configuration Community 4 2 7 6 11 30 72%
Stakeholder 0 0 4 3 17 24 91%19%
10 Concept at Armory/540 Community 12 4 4 0 6 26 48%
Stakeholder 13 1 5 1 0 20 34%-14%
11 Concept at Rio Grande/540 Community 7 0 3 3 23 36 79%
Stakeholder 0 0 3 4 16 23 91%12%
P
6
0
I
.
Construction Mitigation Program Changes
Page 1 of 6
MEMORANDUM
TO: Mayor and City Council
FROM: Trish Aragon, P.E., City Engineer
Chris Bendon, Director of Community Development
Tyler Christoff, P.E., Senior Project Manager
Tony Kornasiewicz, Construction Mitigation Officer
Scott Miller, Capital Asset Director
CJ Oliver, Director of Environmental Health
DATE: April 2, 2015
MEETING DATE: April 6, 2015
RE: Revisions to the Construction Mitigation Requirements
REQUEST OF COUNCIL:
Staff seeks Council input regarding the Construction Mitigation Program rules. This includes establishing
parameters for mitigating impacts of encroachments including duration, size, penalties and aesthetics.
PREVIOUS COUNCIL ACTION:
City Council approved the creation and implementation of the Construction Mitigation Program in April
of 2006. Below is a timeline of this program.
April 2006: The City creates the Construction Mitigation Program to reduce the impact of
construction on the general public and to provide a liaison between the City, contractors, and the
general public. This is accomplished by requiring contractors to submit a plan detailing how they
intend to meet all city codes during construction.
March 2007: The Original Plan Requirement Manual is drafted and presented at a work session.
The Plan lays out explicit rules and codes construction projects must obey with the overall goal of
balancing the needs of construction while maintaining our mountain character for our Citizens
and Tourists.
April 2007: Edits from the March 2007 work session are incorporated into the “Plan.” These
edits include an established haul route, restricting work hours from 12 hours per day to 10 hours
per day, creating the Aspen Holiday List, which restricts construction on federal holidays and
during special events such as the Food and Wine Classic.
April 2007: The start and end time for weekday work is altered to 8 a.m. – 6 p.m.
May 2007: The original start and end times, which were 7 a.m. – 5 p.m., are re-instated.
January 2008: The program is expanded to include inspections on all active projects regardless of
impact. Additional inspections were also added which included sediment and erosion control and
parking.
May 2009: Three changes/additions were made:
o Manufacturing Restrictions: Require all manufacturing activities (i.e. stone cutting) to be
conducted offsite, reducing the duration and overall impact to surrounding
neighborhoods. Additionally, if a further modification to the material is required, then the
hours of operation will be limited to 9 a.m. – 5 p.m., Monday through Friday.
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o Holiday Hours: Creation of a new geographic zone in town to help address the impacts of
construction while at the same time maintaining a resort atmosphere in the community.
This zone is referred to as the Central Resort Area (CRA). The geographic boundaries
mirror the expanded pay-to-park area. This boundary was chosen because the area is
impacted heavily during special events and the winter / summer tourist season. The
adoption of the CRA allows work in the “non-core” neighborhoods, which are less
impacted during the peak seasons. Below is a summary of the requirements:
Thank
sgiving
X mas
Week
X mas
Day
New
Year’s
Day
President
s Day
Memorial
Day
Food
&
Wine
4th of
July
Labor
Day
Central
Resort Area
(CRA)
closed closed closed closed closed closed closed closed closed
Outside CRA
i.e. “non-
core”
closed open closed closed open closed open closed closed
o Superfund Permitting: Alterations were made to the Smuggler Mountain Superfund Site
Soil Removal Permit to stream line the process and ensure the sites are captured in
regular inspections.
May 2010: Time restrictions were modified to allow 24-hour interior work in the CRA.
Weekday construction hours were modified to 7 a.m. – 5 p.m. during the on-season and 8
a.m. – 7 p.m. during the off-season.
May 2012: Erosion and sediment control section was updated. CRA hours and zone was
revisited but Council decided to not modify rules related to CRA.
July 2012: Weekday Construction hours were modified to 7:30 am – 5:30 pm year round.
September 2012: Creation of the encroachment zone map limiting duration of encroachments
by creating the Red (near the Mall), Orange (a block out side of the Mall) and Yellow (two
blocks outside of the Mall) Zones.
February 24, 2015: New revisions were presented to Council. Council asked staff to come
back at the April 6 worksession to provide more detail on the proposed revisions.
BACKGROUND:
The Mayor initiated a series of public outreach meetings (on November 3rd, November 5th, November
12th, and January 7th) with the goal of receiving input on how to make the City more livable and desirable
with the increased construction activity. The goals of these meetings included the following:
Reduce the duration of projects
Limit noise impacts from earth retention systems
Reduce the number of parking spaces used
Give an area a reprieve from all construction
Further reduce noise impacts on residential areas
Limit the size and duration of encroachments
Reduce impacts on adjacent businesses
Additionally input was received through the Open City Hall Site and through direct outreach from staff to
citizens and the business community including meeting with CCLC and ACRA. Attachment A contains
the input received since the February 24th worksession.
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Construction Mitigation Program Changes
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DISSCUSION: Below is a culmination of reasonable improvements to the City’s Construction
Mitigation Program. Staff views this as an iterative process where after these improvements are
implemented, the program needs to be reevaluated to see if it meets the City’s goal in facilitating
Construction in a manner that maintains our mountain town character for both our citizens and visitors.
The program is designed in a way to create clear and predicable framework for facilitating construction.
The program is also designed in a way that if a site does not comply with the City’s construction rules, the
site will incur progressive penalties and delays.
Keep in mind that this program is a framework for construction and that we need to be flexible because
each project is unique. As a result the program does depend on the City Engineer and / or a Construction
Management Committee to make determinations of variances and exceptions on a site by site basis.
Immediate improvements proposed:
Below is a list of immediate improvements that can be implemented. Attachment C includes a redline
version of the City’s Construction Management Program that incorporates these changes.
Construction Hours
Extend the definition of Christmas week and do not allow for construction in the Core during this
week. For years when Christmas falls on a Friday the “week” is defined as Monday (the 20th) to
Friday (the 1st). However exceptions may be granted for indoor work only.
Community Impacts
Require sites to accommodate adjacent businesses. This can include limiting work during sales
events (for a maximum of 2 sales events a year), maintaining site lines to these businesses, and
providing signage on the construction site for the adjacent businesses.
Creation of a Construction Mitigation Committee (CMC) to review exemptions for project
duration, number of encroachments and noise exceptions. All exemptions are subject to additional
fees.
Creation of an appeal process for decisions made by the (CMC) and or the City Engineer (or
designee). The appeals will go to the City Manager or their designee for a final determination of
the exemption request.
Require sites to reduce their landfill waste. Each site will need to demonstrate how they will
comply with the City’s waste reduction requirements through a waste reduction and diversion
plan.
Parking / Encroachments
Require sites develop a Traffic Demand Management (TDM) plan to mitigate the impacts of
traffic and parking.
Specifying the size of encroachments and duration of encroachments (i.e. red, yellow orange
zones). Red zone one encroachment, Yellow zone two encroachments, Orange zone three
encroachments. Allow for larger encroachments if the site can demonstrate the benefits of doing
so. Site will be required to submit two schedules one with a larger encroachment and one without.
Enforcement
Adding the use of “stop work orders” and citations for the following circumstances:
o Work without a permit
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Construction Mitigation Program Changes
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o Work that is endangering public safety
o Work that is endangering public health including work that may affect water quality.
o Work on holidays or Sundays (unless the site received an exemption to work during these
times)
o Require that the general contractor is responsible for subs. If a sub violates our rules the
general will be ultimately responsible
Require certain sized sites have a third party CMP monitor. This person is responsible for
construction mitigation on the site, including keeping logs on encroachments, parking, noise,
stormwater BMPs, waste management and recycling. We will require that these logs be made
available to the City. Additionally, sites that receive two correction notices or one red tag will be
required to have a third party CMP monitor.
Noise
Require large projects (as determined by impact and location) hire a sound engineer/consultant
model the site plans and insert noise sources and specify noise mitigation measures to see how
noise levels will be impacted. The models can show the anticipated noise levels at various
locations surrounding the project and can take into account a variety of proposed mitigation
measures.
Establishment of decibel limits this will include:
o Limiting noise levels for the summer on season for impactful residential projects to 65
Db (with allowances to go 10 Db over for short durations)
o Limiting noise levels for the summer and winter on season for impactful projects located
on the Mall to 65 Db (with allowances to go 10 Db over for short durations)
o Limiting noise levels in the summer on seasons in the Core to 75 Db (with allowances to
go 10 Db over for short durations)
o All other projects and seasons will be limited to 80 Db at the property line (with
allowances to go 5 Db over for short durations).
Allowance for an excess noise exception from the above limits will be reviewed by the City
Engineer. Criteria for the exemption include:
o Where it is in the interest of public safety
o Public infrastructure work within the Right of Way
o Other activities within the Right of Way where there is no other reasonable alternative.
Require the use of continued noise monitoring for sites that have a large impact and for sites that
receive continued (verified) neighborhood complaints. Allow remote online access to the system
for the City’s Construction Mitigation Officer.
Utilize the City’s noise meter to monitor sites that we receive complaints on. The City will use
this meter on sites that receive neighborhood complaints. If the complaints are verified there will
be a rental fee associated with the City’s noise meter.
Immediate minor improvements proposed:
The list below is considered minor because it is either something the City already require by policy or it
clarifies the intent of current rules.
Add additional work restrictions to Aspen Events such as the USA Pro Cycling challenge and
Farmer’s Market
Create a contractor / community panel to provide input on construction mitigation on an annual
and as needed basis.
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Construction Mitigation Program Changes
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Limit the impacts of soldier beam caissons and mico piles in the ROW.
Limitations on sidewalk closures. Pedestrians must be accommodated without having to cross the
street. Short duration closures in the core may be considered during the off season.
The Noise Section should be modified so that current requirements are clearly outlined.
Require that the type and look of project fencing be pre-approved by the Engineering
Department.
The Stormwater section has been modified so that current requirements are clearly outlined.
Recommendations that require more research and community input:
Staff is requesting Council input on the following options. After receiving input staff will come back to
Council with specific recommendations along with associated costs to implement.
Public Outreach
Create a web site where citizens can access a site’s construction mitigation plan. Utilize this site
to gather citizen input and to communicate a project’s progress and upcoming impacts.
Require documentation that neighborhood has been notified on project’s progress and impacts.
Enforcement
Increase enforcement staffing
Increase our enforcement penalties for repeat offenders.
Develop a CMP certification system utilizing an on line training program and our business
licensing system
Ideas that have not been recommended at this time:
Noise canceling systems: These are systems that send out anti-noise through the use of speakers.
They are currently being used in Japan. Through our research we have determined that these
systems are just too new and have not been fully vetted. There are no production models available
and they will not address the large impact noises such as soil nailing. Staff will continue to
monitor this technology as it advances.
Construction pacing: Cities can regulate the pace of growth by metering land use entitlements
(growth management). Or regulate the pace of development activity through metering building
permits (pacing). The value of a growth management system is that meters entitlements and that
we a familiar with the system. The downside is that entitlements can “stack-up” and can be
deployed in bunches and the fact that most of our development activity is not actually “growth”
but rather redevelopment of existing buildings/uses. We have very rarely seen a limiting
environment in growth management in that past 15-20 years – it’s more theory than practical.
The upside of a pacing system is that is occurs much closer to the construction activity and can
better meter the pace of construction. It treats growth and redevelopment the same which is a
better way to manage development activity. The downsides are that we would need to create a
system that will go through the period of adjusting it for logistics, expectations, etc., which could
take years. Because it may be more practical and effect more property owners, it will be subject
to more community debate.
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Construction Mitigation Program Changes
Page 6 of 6
A pacing system may present difficulty arbitrating between vested rights and construction timing
– most of our large projects go through a land use review and receive a statutory vested
right. This differs from these pacing examples where the projects subject to pacing are only
subject to permit review – it looks like most of these program exempt projects that have a vested
right. This last point would require a lot more research. The concern is that we require someone
to apply for a permit within three years (or their approval expires) but may also be preventing the
same person from applying for a permit for three or more years. e.g. If the faucet is larger than
the drain there could be problems.
Use of precast and panelized systems. They may affect the duration of a project however they do
cost much more than traditional systems. Currently there are limited suppliers for these systems.
Extend construction hours. Currently the hours are 7:30am to 5:30 pm Mon through Fri and 9am
to 5pm on Saturday. Due to citizen concern, staff is not recommending an extension of these
hours.
Limit the types of backup alarms: Backup alarms can be very impactful to neighboring properties.
One way to limit this is to require sites use a spotter or instead of a backup alarm or the use of an
adjustable backup alarm.
Require the type of equipment that can be used: There are types of equipment that may be quieter
than others such as compressors powered by electricity and silent pile drivers.
Limit Duration of projects to 18 months with allowance for a 6 month extension. Projects
requesting an extension will be subject to an increase in Construction Mitigation Fees.
Require a survey to be sent out to neighboring properties to rate the construction site. (I.e. 1 – 5
star rating that is published on how a site is doing with noise, dust, parking, waste reduction
etc…) In addition to the survey actual numbers on noise, dust, and waste reduction will be
included to be entered by the construction mitigation officer.
Parking
o Allow the intercept lot to be used for staging.
o Require that sites schedule deliveries outside of peak hours
o Encourage the use of the Rio Grande Parking Garage through the use of discounted fees
o Require On-site equipment storage and/or shuttling
Incentivize projects that are completed within an 18 month timeline. To qualify the project would
need to be characterized as a major project located in the commercial core area.
Attachments:
Attachment A: Public Outreach Comments Since February 24, 2015
Attachment B: Construction Mitigation Program Redline Version
P66
II.
Attachment A: Public Outreach Comments Since
February 24, 2015
P67
II.
COMMERCIAL CORE & LODGING COMMISSION
MINUTES OF MARCH 18, 2015
1
Chairperson, Riley Rippet called the meeting to order at 8:30 a.m.
Commissioners in attendance were Kiki Raj, Bill Dinsmoor, Terry Butler
and Fred Ayarza. Don Sheeley and Siam Castillo were absent.
Staff: Kathy Strickland, Chief Deputy Clerk
Dan Nelson, Parks
Trish Aragon, Engineering Department Head
Tony Kornasiewicz, Engineering
MOTION: Fred moved to approve the minutes of March 4, 2015, second by
Terry. All in favor, motion carried.
Construction Mitigation:
Bill said if you want people to come to meetings it has to be one on one.
Trish said she went to council with 38 recommendations. The meeting was
continued to April 6th as council needed more information. Trish identified
the proposal.
Parking and sidewalks: Traffic demand management plan implemented.
Vans, shuttles, car pools to reduce the amount of trips and spots that
construction sites are using.
Eliminate the size of encroachments: Outline specific sizes. You get so
much square footage. In the mall they can go out five feet. Five feet is the
size of the scaffolding and you can still walk by in the malls. Pedestrians
need to be accommodating during construction.
Earth retention systems: Pinning, soil nails. No nails within the first 7 feet
down in the utility zone. You won’t be able to lay back the soils.
Proposed public outreach: Create a website so you can see where
construction is happening. That way for the public can communicate to a
particular site. Do a survey performance rating on dust, parking and waste
management.
Terry suggested the survey should be a monthly thing.
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COMMERCIAL CORE & LODGING COMMISSION
MINUTES OF MARCH 18, 2015
2
Trish said the sites need to engage with their neighbors and communicate
with their neighbors.
Kiki said a person should be available one hour a week to communicate
with the neighbors.
Noise: Required to hire a sound engineer.
Core: 24 hour construction if it is indoor work such as tenant finishes.
Hours: Council agreed to not change the hours.
7:30 to 5:30 construction hours over 80 decibels it starts at 9:00
Riley said there are commercial impacts vs. residential impacts.
Trish said they do accommodate the core currently. As far as noise we don’t
differentiate decibel levels.
Trish said we work with all the different parties.
Kiki said hotels should be considered differently as a neighbor for
construction.
Tony said the noisiest is the first steps. We don’t exempt hours during the
first steps of the project. From contractors they need the hours adjusted near
the end of the work, painters, dry wallers etc. We might exempt the hours
during the end of the project.
Trish reiterated that during high impact times we would not adjust the hours.
Above 80 decibels you need to mitigate. 65 decibels in residential areas, 80
decibels all others. We are requiring an actual decibel meter on the site
which will help with our enforcements.
Kiki said you need personal responsibility. If the alarm goes off that
person should be contacted immediately to address the meter going off.
Businesses: No work hours during XMAS week in the CRA central resort
area. National holidays are no work days.
Trish said they are proposing restricting hours in the core.
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COMMERCIAL CORE & LODGING COMMISSION
MINUTES OF MARCH 18, 2015
3
Kiki proposed no work during the first week of August because that is
the busiest time in the core for businesses.
Trish said council is receptive of extending hours during XMAS.
Terry said she is favorable of no work hours during XMAS. The first
week in August is huge and possible have a no work week then.
Bill said instead of restricting hours we should be addressing managing
the projects, noise and dust in a better manner.
Riley said the work hours during the holiday OK know that they can be
adjusted as need be. That would be proactive instead of saying no work
at all.
Riley and Bill said do not add another week in August.
Trish said council criticized us on sites and adjacent businesses. The site
needs to accommodate the adjacent businesses. Council wants more
specifics around accommodation.
Riley said there is a communication piece and you need an accountable
person.
Kiki said not all the rules are going to work for everybody.
Riley suggested identifying the time line. Know and identify the exact
impacts of the adjacent business. Each business will be different.
Riley said know the construction calendar and ask the business for their
calendar and if they see any conflict with the calendar.
Riley suggested the two business sign off on their calendars.
Terry said in an ideal world we would have the head of construction
and government get together. Have someone with authority meet three
times a day with the head of construction. Possibly an independent
contractor should be hired.
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COMMERCIAL CORE & LODGING COMMISSION
MINUTES OF MARCH 18, 2015
4
Fred said the number one issue is communication. You need to start
with communication. If communication isn’t there nothing gets done.
P71
II.
Attachment B: Construction Mitigation Program Redline
Version
(Note: the purple “redlines” were changes made for the February 24th worksession.
The blue “redlines” are changes made after the February 24th worksession)
P72
II.
CONSTRUCTION MANAGEMENT PLAN
REQUIREMENTS MANUAL
Construction projects that exceed 1000 SF of soil disturbance and/or 400 SF of building demolition,
improvement, or renovation (interior and/or exterior) must submit a construction management plan in
accordance with this manual.
Prepared by:
Engineering Department
130 S. Galena St.
Aspen CO 81611
970.920.5080
April 2015
DRAFT
Please provide:
2 Paper Documents – Engineering Department
1 Electronic Document –
EngineerCity@cityofaspen.com
Specifics: 8.5 x 11 or 11x17 sheets only & 2-hole punch
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II.
TABLE OF CONTENTS
1.0 GENERAL ..................................................................................................................................................... 1
1.1 PURPOSE ...................................................................................................................................................... 1
1.2 APPLICABILITY ............................................................................................................................................ 21
1.3 DEFINITIONS AND TERMS .......................................................................................................................... 21
1.4 REFRENCES ................................................................................................................................................ 32
2.0 PROJECT LOCATION .............................................................................................................................. 32
2.1 DISTURBANCE AREA .................................................................................................................................. 32
2.2 LOCATION .................................................................................................................................................... 3
2.3 DESCRIPTION ............................................................................................................................................. 43
3.0 PROJECT DOCUMENTATION .............................................................................................................. 43
3.1 PERMITS / OTHER DOCUMENTS ................................................................................................................ 43
3.2 PUBLIC NOTIFICATION ............................................................................................................................... 43
3.3 PROJECT SIGN ............................................................................................................................................ 54
3.4 CONTACT DESIGNATION ............................................................................................................................ 54
4.0 PROJECT IMPLEMENTATION ............................................................................................................. 54
4.1 DATES OF CONSTRUCTION ........................................................................................................................ 54
4.2 HOURS OF CONSTRUCTION ....................................................................................................................... 54
4.3 SEQUENCE (PHASING) OF CONSTRUCTION ............................................................................................... 65
ADJOINING PROPERTIES ........................................................................................................................................ 76
4.5 PROJECT FENCING ..................................................................................................................................... 76
4.6 CONSTRUCTION MITIGATION PROGRAM MONITOR ............................................................................... 76
4.6 PUBLIC HEALTH AND WELFARE ................................................................................................................. 86
4.7 NATURAL ENVIRONMENT .................................................................................................................. 87
5.0 SITE AND RIGHT OF WAY MANAGEMENT ..................................................................................... 87
5.1 RIGHT OF WAY MANAGEMENT PLAN ....................................................................................................... 87
5.2 EMERGENCY VEHICLE ACCESS AND ORDINANCE 35 ................................................................................. 87
5.3 CONSTRUCTION PARKING DETAILS ........................................................................................................... 87
5.4 STAGING AREAS ....................................................................................................................................... 109
5.5 RIGHT OF WAY LIMITATIONS................................................................................................................... 109
5.6 CONSTRUCTION TRAILER, MATERIALS STORAGE, AND WASTE MANAGEMENT .................................. 1211
6.0 TRAFFIC CONTROL ............................................................................................................................ 1312
6.1 GENERAL ................................................................................................................................................ 1312
6.2 HAUL ROUTES ........................................................................................................................................ 1312
6.3 ONSITE VEHICLE LIMITATIONS .............................................................................................................. 1312
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II.
6.4 DELIVERY REQUIREMENTS .................................................................................................................... 1312
6.5 TRAFFIC CONTROL PLAN ........................................................................................................................ 1412
7.0 PEDISTRIAN PROTECTION............................................................................................................... 1413
7.1 GENERAL ................................................................................................................................................ 1413
7.2 LIMITATIONS .......................................................................................................................................... 1413
8.0 SEDIMENT AND EROSION CONTROL ........................................................................................... 1513
8.1 REQUIREMENTS ..................................................................................................................................... 1513
8.2 SMUGGLER MOUNTAIN RESTRICTIONS ................................................................................................ 1513
9.0 FUGITIVE DUST CONTROL .............................................................................................................. 1614
9.1 FUGITIVE DUST CONTROL PLAN ............................................................................................................ 1614
9.2 REQUIREMENTS ..................................................................................................................................... 1714
10.0 EMISSIONS ............................................................................................................................................. 1715
10.1 GENERAL ................................................................................................................................................ 1715
10.2 EMISSIONS FROM DIESEL POWERED ENGINES......................................................................... 1715
11.0 NOISE SUPRESSION ............................................................................................................................ 1815
11.1 GENERAL ................................................................................................................................................ 1815
11.2 NOISE SUPPRESSION PLAN .................................................................................................................... 1815
11.3 CONTINUNED NOISE MONITORING ...................................................................................................... 1916
11.4 REQUIREMENTS FOR ACTIVITIES EXCEEDING 80 DECIBELS .................................................................. 1917
11. 5 SPECIFIC RESTRICTIONS RELATED TO MANUFACTURING ON SITE .................................................. 2017
12.0 ENFORCEMENT ................................................................................................................................... 2118
12.1 CITY CONSTRUCTION MITIGATION OFFICER ......................................................................................... 2118
12.2 CORRECTIVE ACTION ............................................................................................................................. 2118
12.3 INSPECTION REPORTS............................................................................................................................ 2219
13.0 CONSTRUCTION MITIGATION COMMITTEE ............................................................................. 2219
14.0 APPEAL PROCESS ................................................................................................................................ 2219
APPENDICES
A – Required Project Sign
B – Parking Management Form
C – Haul Route Map
D – Noise Suppression Plan, Techniques and Equipment
E – Smuggler Mountain Superfund Site Map
F – Core and Central Resort Area Map
G- Encroachment Zone Map
H – Stormwater Pollution Plan Requirements
I – Construction Waste Management Plan
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1.0 GENERAL
1.1 PURPOSE
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The purpose of this Construction Management Plan Manual is to provide a consistent
policy under which certain physical aspects of construction management will be
implemented. The elements contained in this document are related to the development
process. It is intended that they apply to both public and private work designated
herein.
These standards cannot anticipate all situations. They are intended to assist, but not to
substitute for competent work by design and construction professionals. The City of
Aspen does not intend to limit any innovative or creative efforts that could result in
better quality, greater cost savings, or both. Any proposed departure from the manual
will be judged on the likelihood that such variance will produce a comparable result,
adequate for the user and City resident over the duration of the improvement/project.
If the project changes ownership or contracting services change, the City Engineering
Department must be notified, and must agree to comply with an approved CMP in
writing. Any departure from the approved CMP must be submitted in writing and
approved by the City Engineer. The approved construction management plan must be
kept onsite.
1.2 APPLICABILITY
This manual shall govern the construction and development of all public and private
construction projects in the City of Aspen. These regulations shall apply to all
commercial, industrial, residential, and mixed use developments which disturb 1000 SF
or greater or require demolition, improvement, or renovation (interior and/or exterior)
of 400 SF or greater within any twelve-month period.
1.3 DEFINITIONS AND TERMS
Construction Management Plan – A Construction Management Plan is a combination of
diagrams, documents, drawings, and specifications that clearly define the steps that will
be taken to demonstrate how the impacts to the community will be minimized. How the
impacts associated with any construction project will be managed. Herein described as
“Plan” throughout the remainder of this policy.
Construction Mitigation Officer – An appointed employee of the City of Aspen whose
charge is to ensure that all aspects of a Construction Management Plan are followed,
and to further ensure that the impacts associated with construction activities within the
City of Aspen are effectively managed and impacts associated with those projects are
the least necessary to accomplish the project.
Disturbance Area – A portion of land where topsoil or native soils have been removed
for purposes of construction (development).
Best Management Practices (BMP’s) – Schedules of activities, prohibitions of
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practices, maintenance procedures, and other management practices to prevent or
reduce the pollution of waters of the state. BMP’s also include treatment
requirements, operating procedures, and practices to control site runoff, spillage or
leaks, waste disposal, or drainage from material storage.
Tree Dripline and Protection Zone - Use the longest branch of the tree as a radius
from the center of the tree and make a circle. The circle is then defined as the
dripline and thus is the tree protection zone.
Final Stabilization – Uniform vegetative cover has been established with a density of
at least 70 percent of pre-disturbed levels.
Major Impact: Major projects as defined by the Urban Runoff Management Plan
(URMP).
Moderate Impact: Minor project as defined by the URMP and located in the CRA.
Minor Impact: Minor project as defined by the URMP and located outside of the
CRA.
1.4 REFRENCES
A. City of Aspen Construction and Mitigation Standards for Work in the Public
Rights-of-Way
B. City of Aspen Municipal Code Titles 13, 21, 26, 28 and 29
C. City of Aspen Ordinance 35
D. Manual on Uniform Traffic Control Devices for Streets and Highways – Most
recent edition
E. Colorado Department of Public Safety General Permit Part IB
F. Colorado Department of Transportation M&S construction standards
G. Colorado Department of Public Health and Environment – Air Pollution Control
Division
2.0 PROJECT LOCATION
2.1 DISTURBANCE AREA
The Plan shall describe and compute the total project disturbance area. Soil
disturbance shall be kept to a minimum. Construction staging and phasing shall
occur, where applicable, to minimize soil disturbance time.
2.2 LOCATION
A project vicinity map shall be included in the Plan. The map should accurately
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depict general project location within the City of Aspen and also delineate project
extents.
The map shall be a scaled drawing that includes a directional arrow and adjacent
street descriptions.
2.3 DESCRIPTION
The Plan shall include an overview of the construction project including background
information, proposed development type and general information. The proposed
effect on public utilities such as storm sewer, sanitary sewer, water main, etc. should
also be described.
3.0 PROJECT DOCUMENTATION
3.1 PERMITS / OTHER DOCUMENTS
The contractor shall maintain all applicable local, state and federal licenses and permits
that apply to the construction project. Applicable permits shall be listed, described and
copies of the documents shall be attached in Plan appendices. In addition to permits all
PUD’s, Subdivision Improvement Agreements, and Related City Ordinances must also
be attached in the Plan appendices.
3.2 PUBLIC NOTIFICATION
A project update shall be provided to the public on a basis no less than monthly, via
website, newspaper, on-site notices, or other accepted means of notification (per
request of the City of Aspen). The first public notification shall occur no later than
10
days prior to construction. The update shall include a description of the current
project phase, list any traffic and/or pedestrian concerns, and describe hauling/staging
operations.
The above notification shall specifically be distributed to neighbors located within
300 feet of the project property.
The Plan shall designate a project representative, date, and time for a required
preconstruction meeting. The purpose of the meeting is to discuss the project and
summarize the project specific Construction Management Plan. The contractor and
subcontractors are required to attend the meeting. Utility personnel, applicable City
departments, the Roaring Fork Transit Authority, neighboring property owners, and
the Aspen School District shall also be notified.
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3.3 PROJECT SIGN
A project sign shall be constructed and posted that includes the items shown in
Appendix A: Required Construction Sign.
The sign shall be posted in a location where it is readable from the street or
driveway and shall meet criteria in City Municipal Code 26.510.030B4.
3.4 CONTACT DESIGNATION
The Plan shall have a contact list with associated phone numbers located at the front
of the document. The list will include: the owner, contractor appointed overall site
supervisor, a state certified safety officer, a state certified traffic control officer, and a
state certified erosion control representative.
Other information shall include city and county phone numbers, fire department,
police department, Roaring Fork Transit Authority (RFTA), school district, and all
applicable utility company contact information. The contact list should include
hospital contact information and the Emergency 911 reminder.
4.0 PROJECT IMPLEMENTATION
4.1 DATES OF CONSTRUCTION
Dates of construction shall be specified in the Plan. Any work being performed
within City ROW shall be completed as per the City of Aspen Right of Way
permit requirements.
4.2 HOURS OF CONSTRUCTION
Construction hours shall be limited to 7:30am – 5:30pm Monday through Friday and
9am – 5pm on Saturday. No construction is permitted on Sundays, 4th of July day
and/or weekend if it falls on a Friday or Monday, Memorial Day and Labor Day
weekends, Thanksgiving Day, Christmas Day, New Years Day.
During Presidents Day and during the Christmas week (12/26-12/31):
• projects located in the Central Resort Area (CRA) are not permitted to work on
any exterior elements, however interior work may be permitted with prior
approval.
• projects outside the CRA will be permitted to work.
During the Christmas week (12/26-12/31):
• projects located in the Central Resort Area (CRA) are not permitted to work on
any exterior elements, however interior work may be permitted with prior
approval.
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• projects outside the CRA will be permitted to work.
During Holiday Season:
Holiday Season is defined as the days of the week leading up to Christmas until
New Year’s Day. For example if Christmas falls on a Wednesday, Holiday
Season is defined as that Monday (the 23rd ) through the next Wednesday (the
1st). If Christmas falls on a Thursday, Holiday Season is defined as two weeks
the Monday (the 21st ) Through the next Thursday (the 1st).
projects located in the Core are not permitted to work on any exterior elements,
however interior work will be permitted.
During the Food & Wine Festival in June (Friday thru Saturday):
• projects located in the Central Resort Area (CRA) are not permitted
to work projects outside the CRA will be permitted to work.
The CRA area and Core isCore is defined in Appendix F.
Specific indoor activities during restricted periods may be permitted with
approval from the City of Aspen Engineering Department; specific conditions
will be applied to each project separately. During the off-season 24 hour a day
interior work may be permitted within the CRA, the applicant must present a
work plan to the City of Aspen Engineering Department and the plan must be
approved prior to working outside of the normal construction hours.
Additional restrictions on construction hours and encroachments will be applied for
Aspen Special Events. Examples of events that will require additional restrictions
include the USA Pro Cycling Challenge and the Farmer’s Market.
Additional restrictions on construction hours will also be applied based on the project’s
specific impacts on adjoining properties. tThis can include limitingincludes limiting
work during sales events (for a maximum of two sales events per year), maintaining site
lines to these businesses, and providing signage on the construction site advertising the
adjacent business. adjusting work hours to accommodate adjacent retail stores, lodges
and restaurants. For example, if an adjoining business has an event (such as a semi
annualsemiannual sale) the project will accommodate this adjoining business to ensure
the construction activities do no adversely affect that business’s event.
All activity that generates noise in excess of 80 decibels requires a noise
suppression plan and is restricted to operating between the hours of 9am and
5pm Monday through Friday.
4.3 SEQUENCE (PHASING) OF CONSTRUCTION
A construction schedule including all project phasing, with item details, and
specific item completion dates or duration of phasing is required.
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4.4 ADJOINING PROPERTIES
No person shall excavate on land close enough to a property line to endanger any
adjacent public street, sidewalk, and alley, other public or private property, or easement,
without supporting and protecting the property from any damage that might result from
construction operations.
Additionally the project must identify which adjoining properties will be most affected
by the project and how the project intends on mitigating the impacts to those properties.
This includes identifying adjacent businesses and understanding what events (such as
sale events) and programs that business has scheduled throughout the year. The project
will be required to work with the adjoining properties to mitigate impacts to their events
and programs. This also includes maintaining sight lines to adjacent businesses.
Lastly the needs of adjoining construction projects must not be compromised.
4.5 PROJECT FENCING
All construction areas shall have a non-removable construction fence or other approved
device securely placed around the areas to be protected. The fence shall be six feet (6')
in height and constructed out of chain-link fence with mesh windscreens (visual
barriers). The type and look of fencing must be approved by the Engineering
Department. Please see Section 11 for fencing noise suppression techniques.
4.6 CONSTRUCTION MITIGATION PROGRAM MONITOR
Major construction sites that require earth stabilization along the property line will be
required to hire a third party Construction Mitigation Program Monitor (CMP Monitor).
Additionally sites which have two correction notices or one stop work order will be
required to hire a third party CMP Monitor.
This monitor will be responsible for ensuring the site is complying with
the City’s Construction Mitigation requirements. The CMP Monitor will
inspect the site though out the day and will maintain logs on the site’s
encroachments, parking, noise levels, stormwater BMPs, TMD
measures, waste management and recycling. These logs will be made
available to the City’s Construction Mitigation Officer.
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4.6 PUBLIC HEALTH AND WELFARE
All construction projects located within the City of Aspen shall uphold utmost
respect to public health and welfare and be reflected in prepared Plan.
4.7 NATURAL ENVIRONMENT
Project construction shall be oriented to minimize harm to all aspects of the City of
Aspen’s natural environment. All tree and natural resource protection measures must
be identified in the Plan and in place prior to the commencement of any construction
or demolition activities. Refer to section 13.20.020b of the Municipal Code for tree
protection and removal requirements and process.
The Plan must contain a site map showing exact tree protection fence location
and accurate tree driplines (refer to Section 1.3 for dripline definition).
Proposed projects should be consistent with the character of existing land use in
the surrounding area.
5.0 SITE AND RIGHT OF WAY PARKING MANAGEMENT
5.1 RIGHT OF WAYPARKING MANAGEMENT PLANFORM
A Parking Plan outlining the use the of the Right-of-way (ROW) must be submitted as
part of the CMP. requested, specified and submitted as part of the CMP. This plan will
identify areas of encroachments including the use of parking spaces for the project.
The use of the ROW will be limited according to the requirements outlined in Section
5.6.
5.2 EMERGENCY VEHICLE ACCESS AND ORDINANCE 35
The contractor shall maintain continuous emergency vehicle access, on and around site,
including but not limited to police, fire, and ambulance services. This includes projects
adjacent to roads and alleys.
All Plans shall include a copy and show compliance with Ordinance 35.
5.3 CONSTRUCTION PARKING DETAILS
Specific construction parking spaces/areas may be requested for use by craftsman,
subcontractors, and contractors involved in the site construction process. Prior to the
City allowing for construction parking spaces, the project must demonstrate that it has
minimized the amount of vehicles traveling to the site. This will be demonstrated
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throughdemonstrated through Traffic Demand Management (TDM) Plan. A sites TDM
plan must include the following:
Minor Impact – Select one or more of the following
Moderate Impact – Select two or more of the following
Major Impact – Select three or more of the following
Project-Sponsored Vanpool - Employer-sponsored vanpool programs entail an
employer purchasing or leasing vans for employee use, and subsidizing the cost
of program operations and administration. The driver usually receives personal
use of the van, often for a mileage fee. Scheduling is within the employer’s
purview, and rider charges are normally set on the basis of vehicle and operating
cost. The successful project will implement an employer-sponsored vanpool,
thus reducing the need for SOV trips to and from the worksite. Note: To receive
credit, project staff must park and be picked up no further up valley than the
Brush Creek Intercept Lot. Enforcement: A vanpool route and schedule should
be submitted as part of the CMP. Staff may audit the route to ensure its
presence.
Project Shuttle - Offering employees a customized trip to work via private
shuttle reduces the need for SOV trips. The successful project will provide a
convenient, regularly scheduled employee shuttle from a Park & Ride, Intercept
lot or other identified pick up points to the worksite. To receive credit, project
staff must park and be picked up no further up valley than the Brush Creek
Intercept Lot. Enforcement: A shuttle route and schedule should be submitted
as part of the CMP. Staff may audit the route to ensure its presence.
Carpool Program – The successful project will require employees to form
carpool groups of two or more adults to reach the worksite. To receive credit,
carpools should originate no further up valley than the Brush Creek Intercept
Lot. Enforcement: carpool passes should be kept may be requested.
Transit Fare Subsidy - The successful project will provide fully subsidized daily
or monthly public transit passes for the RFTA valley system. Enforcement:
Records of the purchase and subsidies must be kept and may be requested.
Parking Cash-out - The term cash-out is used to describe the provision of
employee choice of forgoing their current subsidized/free parking for a cash
payment equivalent to the cost of the parking space. The successful project will
require provide no free parking for workforce and will provide a cash subsidy to
those who in Aspen City limits via transit, vanpool, bicycle or walk modes.
Enforcement: records of the parking cash out must be kept and may be
requested.
Customized Program – This option allows for the project to propose a measure
not listed above. If this option is chosen, a narrative should appear below and
must include the following information for staff review:
* d e s c r i p t i o n o f m e a s u r e
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* j u s t i f i c a t i on of measure
*route and schedule if applicable
* e n f o r c e m e n t options
After demonstrating that the project has minimized the amount of vehicles traveling to
the site, through the use of a TDM,T the City will allows minimal onsite parking with
public transportation as the preferred method of transportation. Transportation options
may include, but are not limited to carpool, vanpool, public transportation, paid shuttle
for transporting workers to the site, etc.
No construction parking will be permitted within the free two-hour residential parking areas
without a valid permit.
5.4 STAGING AREAS
The Plan shall specify construction staging area locations. Alleyways are preferred
short term staging locations without blocking access to neighboring properties. The
number of truckloads expected to and from the site should be estimated (including
soil hauling and materials transport). The timing and duration of the transport
vehicles should also be noted.
City of Aspen personnel can limit project staging locations, number of trucks,
and duration of operations depending on project location and site surroundings.
Projects that require crane operations and have little or no setbacks are required to use
a tower crane. The City prefers electric type cranes to reduce noise and fumes.
Right-of-Way encroachments are used as a last resort in all cases. In the case where
a ROW encroachment occurs, a permit must be obtained from the City Engineering
Department. Refer to Section 5.56 for limitations on the use of the ROW.
5.5 RIGHT OF WAY LIMITATIONS
a. The following activities may require the use of the ROW:
Temporary construction of guardrail, pedestrian walkways, scaffolds, protective
canopies, etc..
Temporary storage of materials, merchandise, commodities, construction
materials, etc..
Park or stage and operate construction equipment, crane, bulldozer, skid steer,
etc..
Temporary placement of a field office, dumpster, loose material container, or
construction fencing
Earth retention methods and associated removal
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b. The requests for the use of the ROW (i.e. encroachments) are reviewed by the
Engineering Department. The follow factors are considered before granting any use
of the ROW:
Location: Depending on location, there will be limitations on the use of the
ROW. The core area in particular has on season restrictions. Refer to Section 5.5
(c).Section 5.6 (c).
Size: The encroachment must occupy as small a footprint as applicable and may
not affect safe lane widths or bus routes. Additionally the encroachment may not
interfere with City snow removal process. If lane closures are anticipated we
recommend that the applicant complete the work before 10am to lessen the
impact.
Safety: The encroachment must accommodate pedestrians. Conflict between
pedestrians and construction traffic must be minimized. Additionally, all
encroachments shall ensure sight distances of 35 feet from the intersection. There
must be no overhead hazards (crane swing, etc...) and there must be adequate
room for Emergency Response.
Schedule: Aspen has many re-occurring special events scheduled throughout the
year. Some encroachments may be limited or not approved based on impacts to
these events. Holidays and special events that affect ROW closures in the core
area include, but may not be limited to: Food and Wine (mid June), USA Pro
Cycling Challenge (mid August), Saturday Farmer’s Market (mid June thru mid
October), Christmas Week and the July 4th Parade.
Aesthetics: Consideration should be given to the aesthetics, public information,
and signage for adjacent businesses, site barricades, fencing, enclosed walkways
etc. can be more than barren plywood walls. Whether its artwork, information
about the project or for local businesses there is an opportunity to minimize the
aesthetic impact.
c. Limitations for Encroachment Zones: There are seasonal limitations for temporary
encroachments (refer to Attachment G for zone designations). These limitations
include the following:
i. Red Zone: Five foot encroachment allowed on the mall during the on
season. For areas abutting a street, a 15 foot encroachment will be
allowed during the on season. For corner lots, only one side of the
building will be permitted an encroachment during the on season. Sites
will be limited to one on season encroachment.
ii. Orange Zone: A fifteen foot encroachment will be allowed during the
on season. For corner lots, only one side of the building will be
permitted an encroachment during the on season. Sites will be limited
to two on season encroachments.
iii. Yellow Zone: A fifteen foot encroachment will be allowed during the
on season. For corner lots, only one side of the building will be
permitted an encroachment during the on season. Sites will be limited
to three on season encroachments.
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iv. The City may allow for larger encroachments if the site can
demonstrate the benefits of doing so. For sites requesting larger
encroachments they must not only demonstrate the benefit to the City
but also submit two construction schedules one with the larger
encroachment request and one without.
d. On Season Time Frame: On seasons are defined as June 1st thru Labor Day and
November 15th thru March 31st.
5.6 CONSTRUCTION TRAILER, MATERIALS STORAGE, AND WASTE MANAGEMENT
As specified in Section 5.1, construction trailer, job materials storage, portable
restrooms, waste management and recycling container locations shall be clearly
designated on the project site plan. Loose job material storage is not allowed in
ROW under any circumstance.
The City of Aspen Engineering Asset Management Department strongly recommends
job trailer, waste management containers, and portable restrooms be stored on private
property and not within City ROW.
The City of Aspen requires recycling of construction materials. In instances where
recycling containers cannot be accommodated onsite, the City Engineering
Department will consider locating recycling containers within public ROW where
feasible. The encroachment permit fee will be waived if it pertains to recycling
containers. If at any time such a container is not being used for recycling operations,
the property owner will be responsible to pay at least three months calculated land
lease fee.
The City of Aspen requires recycling of materials, both conventional and
construction related, according to this document and City of Aspen Municipal Code
Title 12. A waste management plan must be submitted to the City prior to beginning
demolition or construction. Recycling requirements included in this section do not
supersede project specific Efficient Building CodeProgram (EBP) requirements.
Refer to Appendix I for the waste management plan requirements.
Project site conventional recycling of co-mingled materials (plastics #1-#7, tin,
aluminum, and glass), and cardboard must have an assigned space/area and be
separated on-site during the project. Sites must comply with Colorado and
Aspen landfill bans, i.e. no disposal of electronic waste, fluorescent light bulbs,
hazardous waste or yard waste. These materials may not be disposed of in the
trash.
During the demolition phase of a project, deconstruction related activities are
required (recycling and/or salvaging of material such as wood products, drywall,
flooring, etc.). Concrete and scrap metals must be sorted and kept separate on-site
and must have an assigned space/area.
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Field inspections will occur throughout the permit process. If sorting of materials is
not occurring onsite, other means of verification may be provided to City of Aspen as
deemed appropriate. Acceptable verifications include (but are not limited to) a receipt
from the recycling facility, an invoice from the company receiving the materials for
recycling/salvaging or other proof the materials are being repurposed or recycled.
Per municipal code (12.08.010), any dumpster or other trash receptacle that is used
for food refuse must be constructed in such a manner as to render it bear proof. All
containers shall be adequately covered at all times until transferred to the landfill.
The City of Aspen municipal code states it shall be unlawful to permit accumulated
debris, litter, or trash on any construction site to blow or scatter onto adjoining
properties (12.04.020).
An onsite hazardous material spill cleanup kit is required, as specified by the
City Engineer, that contains, at a minimum, a 25 pound bag of Floor-Dri (or
equal), absorbent pads, and other spill kit materials.
6.0 TRAFFIC CONTROL
6.1 GENERAL
All traffic control operations shall be managed by the designated certified
traffic control supervisor.
6.2 HAUL ROUTES
The City of Aspen has designated specific project haul roads throughout the City
(Appendix C). The project must follow the designated routes and specify any
additional routes necessary to complete hauling operations. Project haul routes shall
be oriented to minimize traffic congestion and maximize pedestrian safety.
6.3 ONSITE VEHICLE LIMITATIONS
All construction related vehicle activities shall be defined. Maximum vehicle
weights and sizes shall be specified.
6.4 DELIVERY REQUIREMENTS
Traffic control required for deliveries must be fully coordinated with the City of
Aspen Engineering Department. Roads will not be closed under any circumstances,
unless granted permission from the City of Aspen Engineering Department.
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The maximum number of delivery vehicles onsite must be specified, along with
the hours the deliveries will occur, and any exceptions to the delivery schedule.
Delivery and Heavy Duty Vehicles must have a visible sign on the vehicle
that specifies the project contractors name and phone number.
Delivery vehicles and all other onsite vehicles are not allowed to idle for more than
five (5) minutes, with the exception of generators or PTO type operations. The
general contractor must include an idling policy in the Plan that meets City
requirements.
6.5 TRAFFIC CONTROL PLAN
A preliminary Traffic Control Plan (TCP) shall be submitted as part of the
Construction Management Plan if necessary to be determined by City Engineer. The
TCP shall be completed by a State Certified Traffic Control Supervisor and must
conform to the
most current edition of the Manual of Uniform Traffic Control Devices for Streets and
Highways (MUTCD). The TCP shall contain all information specified in Section
6C.01 of the MUTCD.
A School Traffic Control Plan should be submitted in addition to the TCP in school
areas according to Chapter 7A of the MUTCD. If the project is not located in a
school area, but abuts a school bus stop or school walk route, extra traffic control
personnel and devices shall be implemented to ensure school pedestrian safety.
7.0 PEDISTRIAN PROTECTION
7.1 GENERAL
The Plan shall comply with pedestrian safety per City code 21.04.060,
MUTCD Chapter 6D, the Americans with Disability Act, and IBC Chapter
33.
7.2 LIMITATIONS
Sidewalk closures in the core will not be permitted. Pedestrians must be accommodated
without having to cross the street. Short duration closures in the core may be considered
during the off season.
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8.0 SEDIMENT AND EROSION CONTROL
8.1 REQUIREMENTS
A Stormw Water Management PlanPollution Prevention Plan shall be completed
as outlined in Appendix H.along with the CMP, according to Colorado
Department of Public Health and Environment Water Quality Control Division
General Permit Part IB.
The main objective of the storm water management plan shall be to identify Best
Management Practices, which will minimize erosion and sediment transport.
In addition to the Colorado Discharge Service Permit (the program) requirements,
the following apply:
1. Stock piles must be protected with erosion control devices.
2. Mud tracking ramps (rock construction entrances) are required and
implemented per the most current version of the Colorado
Department of Transportation M&S construction standards.
3. Onsite concrete and tire washout stations are required. Location
and operation procedures shall be described in Plan.
4. City inlets, gutters, swales and irrigation ditches shall be
protected with erosion control devices and such projection
maintained for the duration of the project.
5. A description of procedures used to protect and maintain in good
and effective operating condition the erosion/sediment control
measures until final stabilization is required.
Onsite sediment and erosion control operations shall be managed by a state
certified erosion control supervisor. Please visit:
http://www.aspenpitkin.com/Portals/0/docs/New%20EPSC%20Requirments%202012.p
df for more details related to the Stormwater Management Plan requirements.
8.2 SMUGGLER MOUNTAIN RESTRICTIONS
All projects located within the Smuggler Mountain Superfund Zone (Appendix E)
are required to meet additional standards for erosion control measures and are
required to file an additional soil removal permit. These requirements shall be
instituted on all projects disturbing (excavating or exposing) more than one cubic
yard of soil. All projects located in the superfund site will also be required to handle
disturbed and excavated soils with an additional level of care.
1. A Smuggler Mountain Superfund Site Soil Removal Permit must
be completed prior to any soil disturbance in this area. (Appendix
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E)
2. All contaminated soils must be disposed of at a duly licensed and
authorized facility, usually the Pitkin County Landfill, and the
receiving location must be made aware of the contaminated nature
of the soils.
3. Soils must be contained and covered at all times unless actively being
worked. Working will be defined as moving, compacting,
backfilling, exposing, or grading the soils at least once in a sixty
minute period. If any stockpile of soil is to be left for more than sixty
minutes it must
be contained and covered.
4. Containment and Covering is required. This can be accomplished
through the use of a non-permeable tarp placed below the
stockpile and the same type of material shall be used to cover the
stockpile.
5. After completion of the project an uncontaminated soil cap will
be required. This cap shall consist of twelve inches of clean fill
or
gravel. This can also be accomplished by paving the area with asphalt or
concrete.
6. In order to obtain a “clean letter” from the City of Aspen, which, will
be required prior to the release of the Certificate of Occupancy, all
of the above conditions must be met.
9.0 FUGITIVE DUST CONTROL
9.1 FUGITIVE DUST CONTROL PLAN
All projects that result in fugitive dust emissions must submit a fugitive dust control
plan and file an application for a construction permit with the Colorado Department
of Public Health and Environment.
The approval of a Dust Prevention and Control Plan does not relieve the owner or
contractors of the responsibility to implement whatever additional measures may
be required by the City Engineer to properly prevent and control dust.
P91
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9.2 REQUIREMENTS
The plan shall demonstrate that the discharge of dust from the construction site will
not occur, or can be controlled to an acceptable level depending on the particular site
conditions and circumstances.
1. The plan shall address site conditions during construction operations,
after normal working hours, and during various phases of
construction.
2. The plan shall include the name and the 24 hour phone number of
a responsible party.
3. If the importing or exporting of dirt is necessary, the plan shall also
include the procedures necessary to keep the public streets and
private properties along the haul route free of dirt, dust, and other
debris.
4. When an entire project is to be graded and the subsequent
construction on the site is to be completed in phases, the portion of
the site not under construction shall be treated with dust preventive
substance or plant materials and an irrigation system.
5. All phased projects shall submit a plan demonstrating that dust will
not be generated from future phase areas.
For all construction within the site, the contractor shall have a water truck available
for dust control. Wetting shall be completed once three times a day under dry
conditions or as directed by the City Construction Mitigation Officer.
Vehicle speeds should not exceed 15 mph on construction access roads
and construction site.
10.0 EMISSIONS
10.1 GENERAL
All vehicles and equipment used on site will be properly maintained such that
the engines will function within manufacture’s standards or parameters.
City of Aspen
10.2 EMISSIONS FROM DIESEL POWERED ENGINES
Emissions from diesel engines operated within the City of Aspen shall be of a shade or density no
darker than 40% opacity, except for starting motion no longer than 10 seconds or for stationary
P92
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18
operation not exceeding 10 seconds.
11.0 NOISE SUPRESSION
11.1 GENERAL
The noise limit for construction is 80 decibels measured at the property line of the
construction site. All construction equipment shall be adequately muffled and
maintained to minimize project noise. The installation of noise barriers is the
minimum technique to suppress noise, especially when jack hammering of concrete
occurs.
11.2 NOISE SUPPRESSION PLAN
Each site must include information on noise blocking methods, techniques, and
common equipment and activities that require noise suppression (Refer to Appendix
D) to meet the decibel limits below:
All activity that generates noise in excess of 80 decibels at the property line
requires a plan and is restricted to operating hours identified below. The plan
will include information on noise blocking methods, techniques, and
common equipment and activities that require noise suppression (Refer to
Appendix D).Residential projects are limited to 65 decibels (dB) at the
property line during the summer season and 80 dB at the property line all
other times of the year.
Projects located on the Mall are limited to 65 dB at the property line during
the summer and winter season and 80 dB at the property line all other times
of the year.
Projects located in the Core are limited to 75 dB at the property line during
the summer season and 80 dB at the property line all other times of the year.
All other projects will be limited to 80 dB at the property line.
Allowances of an additional 10 dB from the limits above will be made for short
durations. However under no circumstance can the decibel limit exceed 80 dB at the
property line.
Allowance for an excess noise exception from the above limits will be reviewed by
the City Engineer. Criteria for the exemption include:
Where it is in the interest of public safety
Public infrastructure work within the Right of Way
Other activities within the Right of Way where there is no other reasonable
alternative.
P93
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19
Major impact projects that include earth retention or include lot line development,
are required to have a sound engineer/consultant model the site plans and insert noise
sources and specify noise mitigation measures to see how noise levels will be
reduced. The models should show the anticipated noise levels at various locations
surrounding the project and can take into account a variety of proposed mitigation
measures.
11.3 CONTINUNED NOISE MONITORING
Major construction sites that require earth stabilization will be required to perform
continued noise monitoring. Additionally sites that receive two correction notices or
one red tag for noise violations will be required to provide continued noise monitoring.
This monitoring must be recorded and be made available remotely through on line
access to the City’s Construction Mitigation Officer.
For those sites not required to provide continued noise monitoring but receive verified
noise complaints, the City will install its own continued noise monitor. If the noise
complaints are verified, the site will be required to install its own continued noise
monitor, additionally the city will charge a rental fee for when City’s continued noise
monitor was used for the site.
11.34 REQUIREMENTS FOR ACTIVITIES EXCEEDING 80 DECIBELS
1. Any work producing noise levels over 80 decibels is not permitted to
commence until after 9:00 am and is not permitted on Saturdays.
That includes but not limited to the use of compressors, generators,
jackhammers, power equipment, nail guns, drilling machinery, earth
moving equipment and similar loud construction activities. This
does not restrict quiet work inside and outside that does not require a
power source, including a battery, on Saturday.
2. Notify neighbors within two hundred fifty (300) feet of the project
informing them of the kinds of equipment, expected noise levels and
durations of loud work. Including the variation of noise levels during
a typical construction days may be helpful. Such notification must be
in writing and be done seven (7) days prior to the starting time of the
project. Communication with neighbors can prevent complaints from
arising, and resolve concerns before there is a problem. Provide a
phone number where the foreman can be reached prior to the start of
the job.
3. Operate equipment in accordance with manufacturer's specifications and
with all standard manufacturers’ mufflers and noise-reducing
P94
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20
equipment in use and in properly operating condition.
4. Post notices to inform workers, including sub-contractors, about
the basic noise requirements, as well as specific noise restrictions,
to the project.
5. Install noise barriers around all equipment/activities specified in Table
1 of Appendix D. Noise barriers not only significantly reduce
construction noise, but they also provide an extra benefit of “hiding”
the noise producing sources, thus increasing a neighbor’s tolerance.
6. Move portable loud equipment including generators, compressors,
and cement mixers to different sides of the property to reduce
impacts on individual neighbors.
7. The use of radios on the site before 8:00 am is not allowed.allowed.
11.. 45 SPECIFIC RESTRICTIONS RELATED TO MANUFACTURING ON SITE
Considering that some structures will require an increase in the level of manufacturing
of certain materials in order to complete the desired finish of the structure, additional
restrictions will be placed on those activities. The primary concern is that extending
the duration, for which neighbors are exposed to high levels of noise, could cause
specific unwanted responses. In order to reduce those risk factors to neighboring
properties all manufacturing efforts must be limited on site and when possible shall be
conducted off site, or in such a manner as to not contribute to any long term noise
impacts off of the property.
Manufacturing activities that are in excess of 80 decibels must be accompanied by an
Extended Impact Permit, this will require that the activity is enclosed completely and
limited to 90 days in duration. Air exchange / venting systems shall be installed or
otherwise supplied within the enclosure to provide a clean air source for laborers.
The enclosure must be constructed in a manner which prevents noise and dust from
escaping. This may be accomplished with the use of plastic sheeting to contain dust
and a more dense and rigid material (ply wood, foam insulation boards) erected to
contain sound. Noise levels will be measured at the property line, while facing the
source of the sound, and shall not exceed 65 decibels during working operations.
Activities will be considered manufacturing if alterations to a material that is
readily available on the market are made in order for the material to meet the
needs of the
end user. An example of this would be masonry wall construction. If the all of the
stone was delivered as a rough cut product to the site, and each of the stones were
to be cut
square and fit into place. In this example the stone cutting is considered the
manufacturing portion of the masonry wall, and should be conducted off site.
This would allow the stones to be cut square and to the appropriate dimensions
and
additional work to fit the stones would be permitted on site.
All work which requires a limited amount of additional manufacturing to achieve the
P95
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desired finish (including fitting) shall be conducted between 9am and 5pm, and shall
have an approved noise suppression plan on site, relating to the activity.
12.0 ENFORCEMENT
12.1 CITY CONSTRUCTION MITIGATION OFFICER
A City Construction Mitigation Officer shall be assigned to each construction project.
The City Construction Mitigation Officer will complete random site visits to
determine
if the project is following approved Plan and City requirements. The officer is
not intended to take the place of a City of Aspen building inspector.
12.2 CORRECTIVE ACTION
The City of Aspen will enforce construction mitigation corrections as follows:
1. The first corrective action is a verbal warning and explanation of
the violation with a timeframe for completion.
2. The second corrective action is a written warning or correction
notice with timeframe for compliance.
3. Third and final notice is a “Stop Work Order” (red tag). If a stop
work order is issued, no more work can be completed until the
violation is corrected.
4. The City may forgo steps one and two as outlined above and go directly
to the “Stop Work Order” and or a summons and compliant may be
issued for violations under the following circumstances:
Work without a permit
Work that is endangering Public Safety
Work that is endangering Publicendangering Public Health
including work that may affect water quality.
Work on holidays or Sundays (unless the site received an exemption
to work during these times)
The owner and general contractor are responsible for assuring compliance and both
will be charged by summons and complaint in municipal court when necessary. This
applies even if a sub contractorsub-contractor violates the construction mitigation
rules,
Failure to correct violations and/or any threat to public safety could subject the
owner, contractor or both to a maximum penalty of up to a year in jail and/or a fine
of up to $2,650 for each violation. Each day a violation continues is a separate
offense fine of $1000 a day as determined by the municipal court.
P96
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12.3 INSPECTION REPORTS
The Construction Mitigation Officer will complete construction inspection reports.
All reports are public and will be kept in the City Engineering Asset Management
Department.
13.0 CONSTRUCTION MITIGATION COMMITTEE
Projects seeking exemptions may seek an exemption from projectfrom project
durations, number, number of encroachments and noise. These exemptions will be
reviewed by the Construction Mitigation Committee. The committee consists of
representatives from the Engineering, Parking and Building departments. If an
exemption is granted then the project will be subject to the exemption fees as
outlined in Title 2.
Considerations for exemptions include impact of exemption on adjacent properties,
duration of exemption and season that exemption is being requested.
14.0 APPEAL PROCESS
Projects may appeal the decision of the Construction Mitigation Committee and / or the City Engineer.
All appeal will be forwarded to the City Manager or their designee. If the appeal is approved and results
in an exemption, then the project will be subject to the exemption fees as outlined in Title 2.
P97
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PROJECT
NAME
BUILDING PERMIT #
General Contractor Name
General Contractor Contact
Contact Phone#
Emergency Phone#
24 Hour Emergency Contact #
(SIGN NEEDS TO BE GREEN IN COLOR)
Appendix A
P98
II.
CITY OF ASPEN
APPLICATION FOR CONSTRUCTION PARKING SPACES
BUILDING PERMIT#_____________________ PARKING PERMIT#___________________
Applicant to complete following information:
Project Address
___________________________________________________________________________________________________________________________________
Owner’s Name Owner’s Mailing Address Zip Owner’s Phone
___________________________________________________________________________________________________________________________________
Owner’s Authorized Agent Agent’s Mailing Address Zip Agent’s Phone
___________________________________________________________________________________________________________________________________
Contractor Contractor’s Address Zip Contractor’s Phone
___________________________________________________________________________________________________________________________________
Architect / Engineer of Record Mailing Address Zip Phone
___________________________________________________________________________________________________________________________________
E-Mail Contact for Applicant Description of Work
____________________________________________________________ ______________________________________________________________
Number of Street Parking Spaces Begin Date End Date Number of Days
_____________________________ ___________________ ______________________ ____________________________
______________________________________ _____________________________________________ ______________
Owner / Agent’s Printed Name Owner / Agent’s Signature Date
For Office Use Only
Parking Fees ($10 Out-Core $25 In-Core/space/day)
No. of Spaces x No. of Days x rate
Total: $
Commercial Core Map Attached
Provide one copy of a job site plan showing the following information (where applicable):
1. Location for all job site related vehicles, including number and exact location of requested street parking
spaces.
2. Emergency access route allowing emergency vehicle access to the structure(s)
Construction related vehicles are excluded from the signed 2-Hour Free Parking areas in Aspen’s residential
parking zones. Construction related vehicles will only be considered in compliance if parked in the leased
construction parking spaces/area(s) or displaying a valid street permit. All other vehicles will be considered in
violation. All construction staging and construction parking shall be confined to the areas defined in an approved
plan for the job site. Workers shall be encouraged to carpool. Emergency access, as described in the approved plan
for the job site, shall at no time be blocked.
The construction project may be issued the use of specific parking areas for a portion/duration of the project for a
fee.
STAMP OF JUDGEMENT
City of Aspen - Engineering Department 970-920-5080 REVISED: 4/8/2009
P99
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Map prepared by Engineering and GIS Department
City of Aspen, CO 81611 May 4,2007
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Designated Heavy Haul Route
Roads
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City Boundary
OFFICIAL HEAVY HAUL ROUTE MAP
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APPENDIX D
Noise Blocking Methods
Contractors shall require all subcontractors and vendors to use:
“Residential” grade combustion engine exhaust silencers
Electrical vs. pneumatic hand power tools
Hydraulic vs. air powered rock drills
“Silenced” pile drivers vs. Diesel pile drivers
Temporary Noise Barrier Materials:
Temporary barriers shall be constructed of 3/4-inch Medium Density Overlay (MDO) plywood
sheeting, or other material of equivalent utility and appearance having a surface weight of 2
pounds per square foot or greater. The temporary barriers shall be lined on one side with glass
fiber, mineral wool, or other similar noise curtain type noise-absorbing material at least 2-inches.
The materials used for temporary barriers shall be sufficient to last through the duration of the
construction project, and shall be maintained in good repair. Prefabricated acoustic barriers are
available from various vendors. An equivalent barrier design can be submitted in lieu of the
plywood barrier described above.
Noise Control:
Replace worn, loose, or unbalanced machine parts that cause vibration.
Keep machine parts well lubricated to reduce friction.
Acoustical enclosures and barriers around generators
Sound absorbing material and vibration isolation systems on hand tools
Shields, shrouds, or intake and exhaust mufflers.
Noise-deadening material to line hoppers, conveyor transfer points, storage bins, or
chutes.
Noise barriers using materials consistent with the Temporary Noise Barrier Materials
Section.
Noise curtains
Plywood with concrete blankets at the height of the equipment and that it surrounds
the activity such that it directs noise up more than out from the property.
Portable three sided enclosures made out of plywood to move with the activity such
as jack hammering.
Internal combustion engines are to be fitted with a suitable muffler in good repair.
Noisy equipment such as cement mixers should be placed on the site to maximize the
distance from neighboring houses and/or rotate location so as to not impact just one
neighbor. Noise levels drop quickly with distance from the source.
All equipment should be properly maintained, with special attention to mufflers and
other noise control devices.
P101
II.
Revised 11/17/09
Between work periods, builders are required by city ordinance to shut down machines
such as backhoes, bobcats, loaders and generators.
All vehicular movements to and from the site must only be made during the scheduled
normal working hours. This includes off-site noise that is associated with a specific
project such as staging of concrete trucks.
Equipment /
Activity
Noise Controls
Pile Driver Enclosure, muffler
Stone saw cutting Noise control pad with water
Handheld impact
drills
Reduction of reflected sound
Circular saw blades 15º tooth angle, new tooth configuration, slotted saw blades, viscoelastic
damping
Pneumatic tools Muffler
Pavement breaker/
Rock drill
Muffler, enclosure of cylinder case and front head, moil damping
Portable air
compressor
Muffler, acoustic enclosures
Bulldozer Bulldozer Cab-liner material, enclosure, sound absorption in canopy,
sealing of all openings
Wheeled loader Absorption of sound cooling air route
Vibratory roller Flexible mounting for pump compartment
Joint Cutter Anti-vibration mounting fixtures
Dropping From
Height (re-roofing)
When dropping materials from a height—for example, into or out of a
truck, or when loading or unloading scaffolding, noise suppression plans
require a chute or side baffles.
Genorators Acoustical enclosures and barriers surrounding equipment
Generators25 KVA:
The local power grid shall be used wherever feasible to limit generator
noise. No generators larger than 25 KVA shall be used and, where a
generator is necessary, it shall have maximum noise muffling capability.
Hand Tools Sound absorbing material and vibration isolation systems on hand tools
Dismantling
Formwork
use rubber mallets to erect and dismantle formwork
Backup Alarms
All equipment with backup alarms operated by the Contractor, vendors,
suppliers, and subcontractors on the construction site shall be equipped
with either audible self-adjusting ambient-sensitive backup alarms or
manually-adjustable alarms. The ambient-sensitive alarms shall
automatically adjust to a maximum of 5 dBA over the surrounding
P102
II.
Revised 11/17/09
background noise levels. The manually-adjustable alarms shall be set at
the lowest setting required to be audible above the surrounding noise.
Installation and use of the alarms shall be consistent with the performance
requirements of the current revisions of Society of Automotive
Engineering (SAE) J994, J1446, and OSHA regulations.
Compressors
The unit with the lowest noise rating which meets the requirements of the
job should be used where work is conducted in the City of Aspen,
installed with mufflers and/or enclosed in a noise barrier.
Jackhammer
All jackhammers and pavement breakers used on the construction site
shall have exhaust systems and mufflers that have been recommended by
the manufacturer as having the lowest associated noise and shall be
enclosed with shields or acoustical barrier enclosures.
Concrete crushers or
pavement saws
Pre-augur pile holes to reduce the duration of impact or vibratory pile
driving and tie to local power grid to reduce the use of generators and
shall be enclosed with shields or acoustical barrier enclosures.
Pneumatic hand
power tools
All pneumatic tools operated in the City of Aspen must be fitted with an
effective silencer on their air exhaust port.
P103
II.
Revised 11/17/09
TABLE 1
NOISE CONSTRUCTION EQUIPMENT REQUIRING NOISE
SUPPRESSION PLANS
Equipment Category
Auger Drill Rig
Backhoe
Chain Saw
Clam Shovel
Compressor (air)
Concrete Mixer
Concrete Pump
Concrete Saw
Crane (mobile or stationary)
Dozer
Drill Rig
Excavator
Front End Loader
Generator (more than 25 KVA)
Gradall
Grader
Horizontal Hydraulic Boring Jack
Impact Pile Driver (diesel or drop)
Impact Wrench
Jackhammer*
Mounted Impact Hammer (hoe ram)
Paver
Pneumatic Tools
Rock Drill
Scraper
Scarifier
Slurry Machine
Vibratory Pile Driver
P104
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Smuggler Mountain Superfund SiteSoil Status - August 2008
0 175 35087.5 Feet
EPA Superfund Boundary
Structure
Soil Status
Cleaned or Remedied
Levels > 1000
For information regarding the Smuggler Mountain Superfund Site contact the City of Aspen (970-920-5039) orPitkin County Environmental Health andNatural Resources (970-920-5070).
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Central Resort Area and Commercial Core Area Map
Centeral Resort Area
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Stormwater Management During Construction
The purpose of this chapter is to provide requirements and guidance for selecting and
implementing Best Management Practices (BMPs) that will eliminate or reduce the discharge of
pollutants from construction and other land-disturbing activities to local waters. The City of
Aspen Engineering Department is the administrative authority for stormwater management and
erosion prevention and sediment control on construction sites within the City’s jurisdiction. By
policy, Aspen’s requirements for stormwater management during construction are consistent
with those of the Colorado Department of Public Health and Environment’s (CDPHE)
Construction General Permit. The CDPHE Construction General Permit requires a stormwater
management plan (SWMP) for development disturbing greater than one acre of land. However,
Aspen requires a Construction SWMP detailing pollution prevention and erosion prevention
and sediment control measures to be installed for projects that exceed 1000 square feet of
soil disturbance, not just those that disturb greater than one acre. Wherever the City of Aspen
and the CDHPE Construction General Permit requirements are in conflict, the more restrictive
requirements should be applied.
The regulations and guidelines stated in this chapter incorporate information from a variety of
sources including:
The United States Environmental Protection Agency (EPA),
State of Colorado/Colorado Department of Public Health and the Environment (CDPHE),
Urban Drainage and Flood Control District (UDFCD), and
Northwest Colorado Council of Governments (NWCCOG).
It is important to understand that these regulations are subject to change and/or alterations. For
the most up to date copy please contact the City of Aspen Engineering Department.
1.1 PURPOSE
Some construction activities and materials have the potential to pollute our streams, rivers, and
lakes if transported during storms or snowmelt. When construction disturbs land, the soil is
more easily eroded during rainfall, snowmelt, and wind events. Eroded soil, referred to as
sediment, is the greatest pollutant to rivers in Colorado and Aspen. Sediment endangers water
resources by reducing water quality and causing the siltation of aquatic habitat for fish and other
desirable species. Other pollutants, such as petroleum products, metals, and nutrients, easily
attach to soil making sediment even more toxic. Eroded soil also necessitates the cleaning
and/or repair of sewers and ditches and the dredging of water bodies. Therefore clearing,
grading, and vehicle tracking during construction creates the need for erosion prevention and
sediment control on construction sites.
Pollutants other than sediment, such as concrete, solvents, oil, grease and metals, also cause
degradation of water quality in receiving streams, and therefore must also be prevented or
reduced through construction site stormwater management practices.
The City of Aspen requires compliance with the criteria in this chapter in order to
eliminate or reduce the discharge of pollutants in stormwater runoff, and prohibits the
discharge of pollutants from construction sites to the City’s stormwater system. These
criteria should be followed from start of earth disturbance until final landscaping and stormwater
quality measures are effectively in place and accepted by the City. The goal of these
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requirements is to decrease the amount of pollutants entering the stormwater system from
construction and other land disturbing activities.
The following erosion prevention, sediment control, and pollution prevention measures are
designed to safeguard persons, protect property, minimize water quality and other
environmental impacts, and promote the public welfare by guiding, regulating, and assisting the
design, construction, use, and maintenance of any development or activity which disturbs or
breaks the topsoil or results in the movement of earth on land greater than 1000 square
feet in the City of Aspen, Colorado.
1.11 General Requirements
A Construction Stormwater Management Plan (Construction SWMP) must be developed
before a project begins that identifies pollution prevention measures and erosion
prevention and sediment control (EPSC) measures that are appropriate for the actual site
conditions and construction plans for each site – generic plans will not be approved.
The Construction SWMP shall contain a narrative report as well as site plan maps for each
phase of the project. The appropriate schedule of implementation shall be identified as well as
detailed plans shown on plan sheets with appropriate contours for each phase of the project that
will minimize pollution, erosion, and sediment transport.
The Construction SWMP shall be submitted to the City of Aspen as part of the Construction
Mitigation Plan (CMP) and along with the grading and drainage plans in order to obtain a
building or landscape and grading permit. Plans for grading and erosion control should be
considered in the early stages of site planning and drainage design. The Construction SWMP
may have to be modified at the time a final site development plan is prepared in order to better
address the site conditions as the plan changes. This modified plan, the final Construction
SWMP, must be approved by the City of Aspen before ground-breaking activities can occur.
EPSC measures must be designed according to size, slope, and soil type of disturbed drainage
areas in order to prevent erosion and to capture sediment. Potential sources of pollution that
might affect quality of stormwater discharges from the site, and practices that will be
implemented to prevent that pollution, must be identified and described as part of the
Construction SWMP. In addition, sites discharging directly to waters of the state or the City’s
stormwater system might be required to meet stricter requirements as determined by the City
Engineer or City Stormwater Manager.
Implementation of the Construction SWMP (i.e., installation of measures) begins when
construction begins, before the initial clearing, grubbing, and grading operations, since these
activities can usually increase erosion potential on the site. Implementation and maintenance of
pollution prevention measures and EPSC measures are the responsibility of the permit holder
and the project/property owner. Because site conditions will affect the suitability and
effectiveness of pollution prevention and EPSC measures, the SWMP is a dynamic document
that should be referred to frequently, amended and updated as necessary, and kept on site
available for review by City of Aspen staff upon request . The City reserves the right to require
the permit holder and/or property owner to develop and implement additional measures to
prevent and control pollution as needed.
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Pollution Prevention
Pollution prevention for construction within the City of Aspen requires compliance with the
following criteria:
1. Develop Construction SWMP - The Construction SWMP must identify potential
sources of pollution that may reasonably be expected to affect the quality of stormwater
discharging from the site.
2. Practice Good Housekeeping - The Construction SWMP must describe standard
operating procedures and practices that will be implemented to prevent the release of
pollutants to the stormwater system from construction activities.
a. Perform activities in a manner to keep potential pollutants from coming into
contact with stormwater.
b. Prevent spills and leaks (i.e. hydraulic fluid from leaky vehicles or equipment)
c. Use phasing principals to limit areas of disturbance.
3. Contain Materials and Waste – Areas used for staging of construction activities and the
storage of soil, chemicals, petroleum-based products and waste materials, including
solid and liquid waste, shall be designed to prevent discharge of pollutants in the runoff
from the construction site.
a. Store construction, building, and waste materials in designated areas, protected
from rainfall and contact with stormwater run-on and runoff.
b. Dispose of all construction waste in designated areas (e.g. concrete may only be
disposed of in a designated concrete wash-out area), and keep stormwater from
flowing onto or off of these areas.
c. Properly clean and dispose of spilled materials.
4. Dewatering – If it is determined that site dewatering will be required, the permit holder /
and or property owner must obtain a Construction Dewatering Permit for the CDPHE
division of water resources.
Erosion Prevention and Sediment Control
Erosion prevention and sediment control for construction within the City of Aspen requires
compliance with the following criteria:
1. Develop Construction SWMP – The Construction SWMP plan must demonstrate how
stormwater, erosion, and sediment will be handled throughout construction.
2. Control Site Perimeter – Construction activities and their impacts must be controlled
within the limits of the site.
a. Delineate the site perimeter on the plans and in the field to prevent disturbing
areas outside of the project limits.
b. Divert upstream run-on safely around or through the construction project.
Diversions must not cause downstream property damage and cannot be diverted
into another watershed.
c. Construction vehicles and equipment may enter and exit the site at only one
designated access point. This exit must be stabilized with gravel or other
appropriate material throughout the duration of the project.
3. Minimize Disturbed Areas – Construction activities must be scheduled in correct
sequences to minimize the total amount of exposed soil at any given time.
a. Only clear land which will be actively under construction in the near term (e.g.
within the next 1-2 months).
b. Minimize new land disturbance during the spring runoff/snow melt season.
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c. Avoid clearing or disturbing sensitive areas, such as steep slopes and natural
waterways, where site improvements will not be constructed or are not
necessary.
4. Stabilize Disturbed Areas – Disturbed areas must be permanently or temporarily
stabilized as soon as possible, but no later than 14 days after last worked, whenever
active construction is not occurring on that portion of the site. Disturbed areas must be
stabilized by November 15th of each year to minimize erosion and sediment transport
that occurs during spring snow melt.
5. Protect Slopes and Channels – Concentrated stormwater flows shall be avoided or the
conveyance system shall be protected sufficiently to prevent significant erosion.
a. Safely convey runoff from the top of the slope and stabilize disturbed slopes as
quickly as possible.
b. Avoid disturbing natural channels.
c. Ensure the runoff velocity caused by project does not erode channel bottoms.
6. Install and Maintain EPSC Measures – All sites must minimize pollution potential by
installing and maintaining erosion prevention and sediment control measures throughout
the duration of any project.
a. Erosion prevention measures are those BMPs used to limit erosion of soil from
disturbed areas on the site. Erosion prevention measures are required for all
disturbed areas. Examples include: Contour Tracking, Rolled Erosion Control
Products, Hydro Mulching and similar activities.
b. Sediment control measures are those BMPs the limit the transport of sediment
off-site or downstream of disturbed areas. Sediment control measures are
required for all disturbed areas. The most commonly used sediment containment
is silt fencing.
c. Use non-structural and structural best management practices (BMPs) described
in this chapter.
d. All sites must be inspected regularly by a representative from the project to
document the condition and effectiveness of BMPs.
7. Retain Sediment - Sediment control measures are required at all points where
stormwater leaves the site as concentrated flow and at any other points where sediment
has the potential to leave the site. Sediment-laden runoff will be considered a
violation of City of Aspen code and can receive fines up to $1000 per day that the
site is in violation.
Best Management Practices
Best Management Practices (BMPs) are activities or controls that are implemented to reduce
the potential of discharging pollutants to the stormwater system and include pollution prevention
measures and EPSC measures.
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2.1 Permit and Construction Process
Step 1 – Develop Construction SWMP
The owner or the contractor should secure the services of a professional engineer
knowledgeable in construction management practices and the City of Aspen requirements for
stormwater management during construction to develop the Construction SWMP. The SWMP
must be submitted as a portion of the CMP along with the building permit application. The
Construction SWMP will be reviewed by the City and its comments will need to be addressed
before a building permit will be issued.
Projects that disturb greater than one acre of land will also need to apply for a Construction
General Permit with the CDPHE. This application also requires the submittal of a SWMP. The
Construction SWMP developed for the purposes of construction within the City of Aspen should
be adequate to submit with the Construction General Permit Application.
The Construction SWMP shall consist of a written narrative report and a site plan map
describing the erosion prevention and sediment control measures to be implemented at the site.
Narrative Report
The narrative report must contain, or refer to, the drainage report for the site and should contain,
at the minimum, the following:
1. Contact Information – The names, addresses, email addresses and phone numbers of
the project/property owner, the applicant or permit holder, the professional engineer
preparing the Construction SWMP, and the site person that will be responsible for
implementation of the Construction SWMP.
2. Project Description - A brief description of the nature and purpose of the land disturbing
activity, the total area of the site, the area of disturbance involved, and project location
including township, range, section, and quarter-section, or the latitude and longitude, of
the approximate center of the project.
3. Existing Site Conditions - A description of the existing topography, vegetation, and
drainage; and a description of any water bodies or conveyances on the site.
4. Downstream/Receiving Waters - Identification of the stormwater system downstream of
the site including the receiving water body (e.g. Roaring Fork River).
5. Adjacent Areas - A description of neighboring areas including streams, lakes, residential
areas, roads, etc., which might be affected by the land disturbance.
6. Soils - A brief description of the soils on the site including information on soil type and
character.
7. Historic Conditions – Areas of historic contamination (natural, mining, industrial or
agricultural) should be described.
8. Areas and Volumes - An estimate of the quantity (in cubic yards) of excavation and fill
involved, and the surface area (in square feet and acres) of the proposed disturbance.
9. Pollution Prevention Measures – A description of the potential sources of pollution from
construction activities and materials and the methods described in this chapter which will
be used to prevent pollution to the stormwater system. Descriptions
10. Timing of Construction Activity – A schedule indicating the anticipated starting and
completion time periods of the site grading and/or construction sequence, including the
installation and removal time periods of erosion and sediment control measures, and the
time of exposure of each area prior to the installation of temporary EPSC measures.
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11. EPSC Measures - A description of the methods described in this chapter which will be
used to prevent erosion and control sediment on the site. Descriptions must be site
specific. Generic or general statements are not acceptable.
12. Permanent Stabilization - A brief description, including specifications and the
landscaping plan, of how the site will be stabilized after construction is completed.
13. Stormwater Management Considerations – A description of how stormwater runoff from
and through the site will be handled during construction. Provide a brief description of
the post-construction stormwater quality control measures to be included as a part of the
site development.
14. Inspection and Maintenance - A description of how each EPSC and pollution prevention
measure will be maintained and a statement that the site will be inspected at least once
every 14 calendar days and 24 hours before / after forecasted storm events to determine
SWMP accuracy and effectiveness; proper installation, location, and condition of EPSC
measures; and implementation of construction activity pollution prevention measures. An
alternative of inspecting every 7 calendar days regardless of precipitation events or
forecasts may also be used. Inspection and maintenance reports should be completed
and kept on site following each inspection and made available to City of Aspen staff
upon request. Any loss of sediment from the site should be noted and kept in file with
these reports, including date and estimated amount of sediment loss and what activities
were performed to ensure that sediment loss would not occur again.
15. Calculations - Any calculations made for the design of such items as sediment basins,
diversions, or waterways; and calculations for runoff and stormwater detention basin
design (if applicable).
16. Other information or data as may be reasonably required by the City of Aspen.
17. The following note - "This Construction Stormwater Management Plan has been placed
in the City of Aspen file for this project, and appears to fulfill the City of Aspen criteria for
the management of construction activities and associated erosion and sedimentation
controls. I understand that additional control measures may be needed if unforeseen
pollutant transport problems are determined by City of Aspen to occur during this project
or if the submitted plan does not function as intended. The requirements of this plan
shall run with the land and be the obligation of the owner until such time as the project
covered by this plan is properly completed, modified or voided."
18. Signature page for owner/developer acknowledging the review and acceptance of
responsibility, a statement by the Professional Engineer acknowledging responsibility for
the preparation of the SWMP, and a signature of the site representative that will be
responsible for implementation of the SWMP in the field acknowledging that they have
reviewed and agree to implement and maintain the proposed measures as designed or
altered as necessary while meeting the intent of the design.
Site Plan
A plan sheet(s) size 24”x36” that shows the location of erosion prevention and sediment control
measures with appropriate contours for each phase of the project must be submitted in addition
to the narrative report. The site plan(s) must show:
1. A general location map at a scale of 1-inch to 1,000-feet to 1-inch to 8,000-feet
indicating the general vicinity of the site location.
2. The property lines for the site on which the work will be performed.
3. The construction SWMP at a scale of 1-inch to 20-feet up to 1-inch to 200-feet with
separate sheets for each phase of site development construction.
4. Existing topography at one- or two-foot contour intervals. The map should extend a
minimum of 100-feet beyond the property line or beyond the project’s soil disturbance
limits, whichever is larger.
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5. Proposed topography at one- or two-foot contour intervals. The map should show
elevations, dimensions, location, extent and the slope of all proposed grading, including
building site and driveway grades.
6. Delineation of the entire area draining to the site, drainage areas within the site,
and discharge points from each drainage area.
7. Location of all existing structures and hydrologic features on the site.
8. Location of all structures and natural features on the land adjacent to the site and within
a minimum of 100 feet of the site boundary line.
9. Delineation of trees and natural feature conservation areas such as steep slopes or
natural channels.
10. Location of the storm sewer, street gutter, channel or other waters receiving storm runoff
from the site.
11. Location of all proposed structures including drainage features, paved areas, retaining
walls, cribbing, plantings and development for the site.
12. Limits of clearing and grading.
13. Location of construction entrance/exit.
14. Location of soil stockpiles - Areas designated for topsoil and subsoil storage.
15. Location of storage equipment maintenance and temporary disposal areas - Areas
designated for equipment, fuel, lubricants, chemicals and all temporary construction
waste storage. All these areas shall be cleaned out and reclaimed at end of project and
waste disposed at legal disposal sites.
16. Location of designated concrete washout and a statement that concrete washout must
occur within this location or hauled back to the batch plant.
17. Location of temporary roads designated for use during the construction period.
18. Location of temporary and permanent soil erosion control measures and sediment
control measures. Depict all EPSC measures using the standard map symbols given in
Figure C1-1. If the project will experience several phases of construction, a plan sheet
must be submitted for each phase with the appropriate contours and EPSC measures
depicted on the plan for that phase.
19. Detail drawings and specifications - Design drawings and specifications for erosion and
sediment controls, temporary diversions and all other practices used for each phase of
site development.
20. Other information or data as may be reasonably required by the City.
21. The following note: "This Construction Stormwater Management Plan has been placed in
the City of Aspen file for this project and appears to fulfill applicable erosion control and
construction management criteria. I understand that additional measures may be
required of the owner due to unforeseen erosion, sediment or other pollutant transport
off the site or if the submitted plan does not function as intended. The requirements of
this plan shall run with the land and be the obligation of the owner until such time as the
project covered by this plan is properly completed, modified or voided".
19. Signature block for owner/developer acknowledging the review and acceptance of
responsibility, a signed and stamped statement by the Professional Engineer
acknowledging responsibility for the preparation of the SWMP, and a signature of the
site representative that will be responsible for implementation of the SWMP in the field.
Should the field representative change, this block should be updated with a signature of
the current site representative that will be responsible for implementation of the SWMP.
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Step 2 – Approval of Construction SWMP
The Construction SWMP must be approved prior to issuance of a Building Permit by the City.
The final SWMP must be consistent with a Drainage Report accepted by the City of Aspen
Engineering Department. However, approval of the SWMP does not imply acceptance or
approval of Drainage Plans, Utility Plans, Street or Road Plans, Design of Retaining Walls or
any other aspect of site development.
2.2.1 Exemptions and Variances
These are generally processed according to the applicable municipal regulations and reviewed
on a case-by-case basis.
1. Exemptions from the erosion control planning process may be considered for any of the
following by the local jurisdiction if their MS4 permit so allows; however, exempting the owner
from the preparation and submittal of a SWMP and/or from applying for a grading permit does
not exempt the owner from controlling erosion and sediment movement off the construction site:
a. Agricultural use of land.
b. Grading or an excavation below finished grade for basements, footings, retaining walls, or
other structures on single family lots not a part of a larger development or redevelopment
project and disturbing a total land surface of less than one (1) acre in size unless required
otherwise by local jurisdiction.
c. A sidewalk or driveway authorized by a valid permit.
d. Land-disturbing activities involving less than a total of one (1) acre of disturbed area.
Individual lots involving less than one (1) acre of disturbed area in a larger land use change
project shall not be considered separate development projects, but rather as a part of the
subdivision development as a whole and are not eligible for an exemption. It will be the
responsibility of the homeowner or homebuilder to conform to all requirements of the locally-
approved SWMP for the development or redevelopment. As part of any Building Permit within a
larger development for which an individual erosion control plan is not required, it is
recommended the following statement be included: "We have reviewed the Construction Storm
Water Management Plan for (subdivision name) and agree to conform to all requirements
contained therein and all erosion control requirements of the (insert name of municipality) and
the State of Colorado. We further agree to construct and maintain all erosion and sediment
control measures required on the individual lot(s) subject to this Building Permit and/or in
accordance with the provisions of the Construction Best Management Practices chapter of the
Manual published by the Urban Drainage and Flood Control District."
e. Underground utility construction including the installation, maintenance and repair of all
utilities under hard-surfaced roads, streets or sidewalks provided such land-disturbing activity is
confined to the area which is hard-surfaced and provided that runoff and erosion from soil
stockpiles are confined and will not enter the drainage system.
f. Gravel, sand, dirt or topsoil removal as authorized pursuant to approval of the Colorado Mined
Land Reclamation Board, provided said approval includes a construction activities
management, erosion and sediment control plan that meets the minimums specified.
g. Projects having a period of exposure (from time of land disturbance until permanent erosion
control measures are installed) of less than 14 days.
h. Where the owner certifies in writing to the City of Aspen and the City of Aspen agrees in
writing that the planned work and the final structures or topographical changes will not result in,
or contribute to, soil erosion or sediment discharges to any waterway or irrigation ditch and will
not interfere with any existing drainage course or waterway in such a manner as to cause
damage to any adjacent property, or result in the deposition of debris or sediment on any public
right-of-way, will not present any hazard to any persons or property, and will have no
detrimental influence upon the public welfare, or upon other properties in the watershed.
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2. Variances – The City of Aspen may consider waiving or modifying any of the criteria which
are deemed inappropriate or too restrictive for site conditions by granting a variance, provided
such variance does not violate the laws of the State of Colorado or the Federal government.
Variances may be granted at the time of plan submission or request for plan revision. Variances
must be requested in accordance with the subdivision regulations and must define:
a. The criteria from which the applicant seeks a variance.
b. The justification for not complying with the criteria.
c. Alternate criteria or standard measures to be used in lieu of these criteria. The criteria and
practices specified within this section of the Manual relate to the application of specific erosion
and sediment control practices. Other practices or modifications to specified practices may be
used if approved by the municipality prior to installation. Such practices must be thoroughly
described and detailed to the satisfaction of the local municipality reviewing and approving the
erosion control plan. To expedite the review and decisions on variance requests, it is suggested
that a variance request be included with, or submitted prior to, the initial SWMP submittal.
Step 3 – Project Construction – Installation, Maintenance, and Inspections
During the construction phase, the following sequence is recommended for the implementation
of the project and the SWMP:
1. During preparation of the Construction SWMP, the contractor designated a manager for the
implementation of the SWMP. This person will be responsible for implementing all permit
conditions and will communicate with City inspectors and inspectors from other agencies.
2. Install all BMPs shown on the SWMP that need to be installed in advance of proceeding with
construction, such as construction fencing and limits of disturbance, tree and other natural area
protections, construction exits, silt fences, inlet protection, etc.
3. Identify construction equipment and materials storage and maintenance areas and install
BMPs to prevent pollutant migration from them.
4. Notify the City that the site is ready for initial inspection.
5. Install any additional BMPs that are called for in the SWMP before grading begins.
a. Strip off and stockpile topsoil for reuse. Insure that soil stockpile is not located in a
drainage path, downhill of a significant drainage area, is protected from erosion and dust
migration, and that a sediment control measure is located downstream.
b. Mulch areas that will remain undisturbed for more than two weeks during the April
through September rainstorm season (e.g., stockpiles and overlot graded areas that will
remain dormant for extended period of time), or for more than a month during the
October through March period.
c. Insure that BMPs that need to be installed at different times during the project are
installed when called for in the SWMP or by the City’s inspector and are in full operation
before construction activities begin in areas served by them.
P116
II.
d. Inspections by site Supervisor / Professional Engineer
e. Inspections by City will occur regularly to inspect for general compliance with the
approved plan.
f. Maintenance by the permit holder / and or property owner is required for all BMP’s
regardless of the stage of construction.
g. Maintenance time frame from City
h. Enforcement from City will occur at any time when a permit holder / and or property
owner is in violation of the SWWP. Enforcement will escalate from verbal notices of
corrective actions to stop work orders based on the number of violations or the severity
of any one single violation.
Step 4 – Project Completion – Stabilization, Re-vegetation, and CO
Re-vegetate the site as called for in the SWMP.
1. After all work has been completed in an area
a. including stabilization and re-vegetation,
b. clean out and restore any post construction BMPs that may have been used for
construction sediment controls.
After all work has been completed on site, prepare the site for a CO inspection by the City and
arrange for this inspection by calling (970)920-5448. Correct all deficiencies and call for follow-
up inspection.
The owner or contractor needs to arrange for inspection by the local jurisdiction when the
vegetation has reached acceptable level of coverage and maturity. This could take months. In
the meantime, the owner or contractor need to inspect the site on a regular basis to determine if
there are deficiencies or damage that need to be addressed. The owner is responsible for the
performance of all erosion and sedimentation control installations until such time the site’s re-
vegetation is deemed acceptable and a written notice is provided to the owner by the local
jurisdiction.
Once re-vegetation has been accepted, request release of any surety, letters of credit or other
financial guarantees the local jurisdiction may have required the permit holder provide at the
time the permit is issued. A closure of the construction activities permit from the State should
also be pursued at this time.
P117
II.
Appendix I: Waste Management Plan Requirements
P118
II.
1
CONSTRUCTION WASTE MANAGEMENT PLAN
Company Name: Contact Person:
Telephone #:
Address:
Project Location:
Contractor:
Contact Person:
Telephone #:
Recycling Coordinators:
Contact Person:
Telephone #
Project Description:
Waste Management Goals:
This project will recycle or salvage for reuse a minimum of ____ % by weight of the waste
generated on-site.
Waste reduction will be achieved through building design, and reuse and recycling efforts will be
maintained throughout the construction process.
Waste Prevention Planning:
Compliance with Chittenden Solid Waste District’s (C.S.W.D.) mandatory recycling
requirements for businesses. C.S.W.D. mandatory recyclables include:
o newspaper
o corrugated cardboard
o white and colored office paper
o plastic and glass bottles and jars
o metal cans
P119
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2
Compliance with C.S.W.D. and Pitkin County’s Landfill Bans, i.e. no disposal of tires,
appliances, yard waste, mandatory recyclables, hazardous waste, batteries, fluorescent tubes,
electronic waste and large metal items.
Project Construction Documents – Requirements for waste management which will be included
in all work. The General Contractor will contractually require all subcontractors to comply with
the C.S.W.D. mandatory recycling requirements.
The Construction Waste Reduction Plan shall be implemented and executed as follows and as
on the chart:
o Salvageable materials will be diverted from disposal where feasible.
o There will be a designated area on the construction site reserved for a row of
dumpsters each specifically labeled for respective materials to be received.
o Hazardous waste will be managed by a licensed hazardous waste vendor.
P120
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P121II.
4
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P122II.
Construction & Demolition Summary Report (CDSR)
This form must be completed for the following types of projects:
All New Construction
All Demolition, (excluding single family & duplex)
Addition/Alteration with construction valuation exceeding $50,000
(excluding single family & duplex residential)
Completed Summary Reports must be submitted prior to sign off at Final Inspection and issuance of certificate of
occupancy or temporary certificate of occupancy. A separate Summary Report is required for each permit issued.
Deliver completed CDSR to Building Inspector. Call (XXX) XXX-XXXX or email ____________________ with
inquiries regarding this form.
DO NOT ATTACH ADDITIONAL ITEMS
Permit #:_____________________________________
Project Address: (include floor, suite, etc.): _____________________________________________________
Contact Name: __________________________________ Title: ____________________________________
Company: _______________________________________________________________________________
Contact Mailing Address: ___________________________________________________________________
City________________________________________ State____________________ ZIP_________________
Phone: _________________ Fax: __________________ Email: _____________________________________
For lines 1, 2 &3 please check only 1 item for each
1) Project Type: New Construction Addition/Alteration Demolition
2) Building Type: Non-residential Single Family/Duplex Apartment/Multifamily
Sewer/Storm Drain Streets, Sidewalks, Traffic Bridge
Landscape, Parks, Open Space
3) Tenant Improvement (check one): Yes No
4) Size of Project _______________ sq. ft. Project Valuation $___________________
5) Completion Date___/____/____
6) Describe any difficulties you encountered in complying with your waste management plan and tell us how to remedy
the problem in the future.
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
For City Use Only: App Filed____/____/____ CDSR Submitted____/____/___ Received___/___/___
Counter Staff ________________________________________
Diversion Goal Approved Good Cause Non-Attainment Conditional Approval _____________
Not Approved, reason ______________________________
P123
II.
Permit #: Address:
REQUIREMENT:
Recycle______% of Asphalt & Concrete materials and no less than _____ % of all other debris (measured in
tons).
Instructions: Using receipts and invoices list the tonnage of materials recycled during construction or demolition. See
the Conversion Worksheet to change all materials to tons. Complete the chart below and make sure your column totals
are correct. Include destinations for all materials.
Use Materials Conversion Worksheet to convert from cubic yards, square feet, board feet, etc. to tons
Column A – Tons of scrap or debris for each material type.
Columns B, C, D – quantities of A to be salvaged or reused, recycled, or disposed. See worksheet for definitions.
Column E – list vendors or facilities used for salvage or reuse, recycling, or disposal.
P124
II.