HomeMy WebLinkAboutFile Documents.520 N 8th St.0032.2017 (21).ARBK aec
Architectural Engineering Consultants, Inc.
Mechanical, Electrical, & Lighting Design Services
An Office with LEEDTTMM Accredited Professionals
40801 US Hwy 6 & 24,Suite 214,Eagle-Vail, CO 81620 Post Office Box 8489,Avon, CO 81620
phone: 970-748-8520 email: stan@aec-vail.com:www.aec-vail.com
March 13, 2017
Matthew Smith
Thunderbowl Architects
300 Spring St. Suite 20
Aspen, CO 81611
Re: 520 N. 8th St.
Dear Matthew,
This document is intended to show compliance of the remodeled residence located at 520 N. 8th St. in
Aspen, CO with the 2009 International Energy Conservation Code (2009 IECC). We propose to use a
prescriptive approach per sections 402.1-402.3 and 403.2.1 of the 2009 IECC.
Project
The project is a remodel with a total floor area of 4,900 sf. For heat load calculations, please refer to the
following pages of this document. The heat load calculations are performed using the Carrier Hourly
Analysis Program and provides a more detailed and accurate load than Manual J. A dewpoint calculation
is not included in these permit documents, as the roof assembly meets the requirements of section
R806.5 of the 2015 IRC.
Building Envelope
The following table lists the mandatory minimum insulation and fenestration requirements for the project
in climate zone (7). Any assemblies not being altered during the remodel will remain as is, and all new
assemblies will meet the following requirements.
Fenestration
U-factor
Skylight
U-factor
Ceiling
R-value
Wood frame
wall R-value
Floor
R-value
Basement
wall R-value
Slab
R-value
Crawl Wall
R-value
Code
Minimums
0.35 (1) 0.60 49 21 38 (2) 15/19 (3) 10 (4) 10/13 (5)
Notes: 1) Fenestration SHGC requirements do not apply in climate zone (7)
2) Or insulation sufficient to fill the framing cavity, R-19 minimum
3) R-15 continuous insulation on the interior or exterior or R-19 cavity insulation on the interior of the
basement wall. Can be satisfied with R-13 cavity plus R-5 continuous.
4) 4 ft deep and R-15 edge insulation for heated slabs
5) R-10 continuous insulation or R-13 cavity insulation.
Sincerely,
Bryan Webster
City of Aspen
Received
3/20/17
Building Department
Zone Sizing Summary for hvac
Project Name: 17003 - 520 N 8th St 03/13/2017
Prepared by: AEC 12:47PM
Air System Information
Air System Name hvac
Equipment Class UNDEF
Air System Type SZCAV
Number of zones 1
Floor Area 4250.0 ft²
Location Eagle, Colorado
Sizing Calculation Information
Zone and Space Sizing Method:
Zone CFM Sum of space airflow rates
Space CFM Individual peak space loads
Calculation Months Jan to Dec
Sizing Data Calculated
Zone Sizing Data
Maximum Design Minimum Time Maximum Zone
Cooling Air Air of Heating Floor
Sensible Flow Flow Peak Load Area Zone
Zone Name (MBH)(CFM)(CFM)Load (MBH)(ft²)CFM/ft²
Zone 1 132.8 9799 9799 Jul 1500 128.9 4250.0 2.31
Zone Terminal Sizing Data
No Zone Terminal Sizing Data required for this system.
Space Loads and Airflows
Cooling Time Air Heating Floor
Zone Name /Sensible of Flow Load Area Space
Space Name Mult.(MBH)Load (CFM)(MBH)(ft²)CFM/ft²
Zone 1
100a Entry 1 9.8 Jul 1500 683 10.8 275.0 2.48
100b Back Hall 1 1.5 Jul 1700 104 0.7 105.0 0.99
101 Laundry 1 7.5 Aug 1500 524 2.3 60.0 8.73
102 Garage 1 1.5 Jul 1600 370 7.9 450.0 0.82
103 Bedroom 1 1 2.8 Jul 1500 193 2.8 195.0 0.99
104 Bathroom 1 1 0.7 Jul 1500 52 0.2 60.0 0.86
105 Bedroom 2 1 3.8 Jul 1500 264 4.4 185.0 1.43
106 Bathroom 2 1 1.4 Jul 1000 96 1.2 65.0 1.47
107 Bathroom 3 1 1.7 Jul 1300 115 1.7 60.0 1.92
108 Bedroom 3 1 7.2 Jul 1300 501 7.6 185.0 2.71
109 Kitchen / Dining 1 30.0 Sep 1400 2082 23.2 590.0 3.53
111 Living Room 1 31.6 Aug 1500 2195 29.9 675.0 3.25
112 Media 1 4.3 Jul 1400 298 3.2 175.0 1.70
201 Closet 1 3.2 Aug 1500 225 4.1 105.0 2.15
202 Master Bath 1 10.1 Jul 1500 702 8.6 250.0 2.81
203 Master Bedroom 1 8.6 Jul 1400 596 9.2 365.0 1.63
204 His Master Bath 1 4.3 Jul 1400 296 3.5 190.0 1.56
205 Bath 4 1 0.9 Jul 1400 61 0.6 40.0 1.52
206 Bedroom 4 1 6.4 Jul 1400 443 7.0 220.0 2.01
Hourly Analysis Program v4.50 Page 1 of 1
City of Aspen
Received
3/20/17
Building Department