HomeMy WebLinkAboutGorsuchHaus DRC_BuildingComments_2.1GorsuchHaus DRC_BuildingComments_2draft
Subject: PlanCheck
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Wood is not permitted for use in
Type I construction except as
allowed by 603.1.
Fire-retardant-treated wood is
not permitted for balconies,
porches, decks and exterior
stairways for Type I buildings
that are greater than 3 stories
above grade plane (1406.3).
Heavy timber may only be used
as a substitute for a 1 hour fire
rating but Type I requires 2 hour
(601). Wood appears to be a
significant design element for
this project; clearly demonstrate
compliance.
20200115_Gorsuch Haus - 25% DD_CODE SHEETS ONLY.pdf (35)
Subject: PlanCheck
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As discussed later, over 500
occupants exit from this narrow,
covered, below grade location.
Over 200 occupants use it as
their single exit. It is to be shared
with the public as a public
amenity.
Subject: PlanCheck
Page: G021
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Author: nickt
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Not IRC
Subject: PlanCheck
Page: G021
Page Index: 4
Author: nickt
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Van accessible parking requires
98" of headroom.
ICC/A117.1-2009 section 502.6
Subject: PlanCheck
Page: G021
Page Index: 4
Author: nickt
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2020 NEC
Wood is not permitted for use in Type I construction
except as allowed by 603.1. Fire-retardant-treated
wood is not permitted for balconies, porches, decks
and exterior stairways for Type I buildings that are
greater than 3 stories above grade plane (1406.3).
Heavy timber may only be used as a substitute for
a 1 hour fire rating but Type I requires 2 hour (601).
Wood appears to be a significant design element for
this project; clearly demonstrate compliance.
As discussed later,
over 500 occupants
exit from this narrow,
covered, below grade
location. Over 200
occupants use it as
their single exit. It is to
be shared with the
public as a public
amenity.
GOVERNING CODES
ARCHITECTURAL DESIGN:2015 INTERNATIONAL BUILDING CODE (IBC)
2015 INTERNATIONAL RESIDENTIAL CODE (IRC)
STRUCTURAL DESIGN:2015 INTERNATIONAL BUILDING CODE (IBC)
MECHANICAL, PLUMBING, AND FIRE PROTECTION DESIGN:
2015 INTERNATIONAL MECHANICAL CODE (IMC)
2015 INTERNATIONAL PLUMBING CODE (IPC)
2015 INTERNATIONAL FIRE CODE, AS REFEREED BY IBC (IFC)
2015 INTERNATIONAL FUEL GAS CODE (IFGC)
ELECTRICAL DESIGN:2017 NATIONAL ELECTRICAL CODE (NEC)
ENERGY CONSERVATION DESIGN:2015 INTERNATIONAL ENERGY CONSERVATION CODE (IECC)
2015 SOLAR ENERGY PROVISIONS
POOL AND SPA DESIGN:2015 INTERNATIONAL SWIMMING POOL AND SPA CODE
ACCESSIBILITY DESIGN: ICC/ANSI A117.1 -2009
CODE SUMMARY
BUILDING ADDRESS: ASPEN, CO 81611
USE AND OCCUPANCY CLASSIFICATIONS -CHAPTER 3
• R-1 (HOTEL ROOMS) PER SECTION 310.3
TABLE 601 FIRE-RESISTANCE RAT
TYPES OF CONSTRUCTION
BUILDING ELEMENT
PRIMARY STRUCTURAL FRAME f(
BEARING WALLS
EXTERIOR
INTERIOR
NONBEARING WALLS AND PARTIT
EXTERIOR
NONBEARING WALLS AND PARTIT
INTERIOR
FLOOR CONSTRUCTION AND ASS
ROOF CONSTRUCTION AND ASSO
TABLE 602 FIRE-RESISTANCE RAT
FIRE SEPARATION
DISTANCE = X (feet)
X < 5b
5 ≤ X < 10
Not IRC
L ROOMS) PER SECTION 310.3
DOS) PER SECTION 310.4
ATE GARAGE) PER SECTION 311.3
AURANTS AND BARS) PER SECTION 303.3
ITY SPACES AND FITNESS) PER SECTION 303.4
S AND SPA) PER SECTION 304.1
- BUILDING HEIGHT AND NUMBER OF STORIES:
GHT: ALLOWABLE BUILDING HEIGHT OF R-OCCUPANCY TYPE IB SPRINKLERED BUILDING IS 180 FEET. THIS
ED THE AVERAGE ROOF HEIGHT TO THE GRADE PLANE. THE RESULTING BUILDING HEIGHT IS CALCULATED
XIMATELY 43 FEET.
EL 03 AND ABOVE QUALIFY AS STORIES ABOVE GRADE PLANE RESULTING IN THE BUILDING BEING
S A 7-STORY BUILDING. PER TABLE 504.4 A R-1 OCCUPANCY TYPE IB SPRINKLERED BUILDING HAS AN
NUMBER OF STORIES OF 12.
TABLE 705.8 MAX AREA OF EXTERIOR WALL
OPENING PROTECTION
REFER SHEET G099
0' TO LESS THAN 3' FIRE SEPARATION DISTAN
3' TO LESS THAN 5' FIRE SEPARATION DISTAN
5' TO LESS THAN 10' FIRE SEPARATION DISTA
10' TO LESS THAN 15' FIRE SEPARATION DIST
15' TO LESS THAN 20' FIRE SEPARATION DIST
20' TO LESS THAN 25' FIRE SEPARATION DIST
25' TO LESS THAN 30' FIRE SEPARATION DIST
30' OR GREATER FIRE SEPARATION DISTANC
* UNPROTECTED OPENINGS IN A BUILDING W
CAN UTILIZE THE ALLOWANCES OF PROTECT
SECTION 708 FIRE PARTITIONS
FIRE PARTITIONS SHALL HAVE A FIRE-RESIST
SECTION 711 HORIZONTAL ASSEMBLIES
THE SUPPORTING CONSTRUCTION SHALL BE
THE HORIZONTAL ASSEMBLY SUPPORTED. (I
WHERE HORIZONTAL ASSEMBLIES SEPARAT
RATING OF NOT LESS THAN THAT REQUIRED
R OCCUPANCIES FROM ADJACENT OCCUPAN
INTERIOR WALL AND CEILING FINISH REQUIR
PROVIDE FLAMESPREAD CERTIFICATION OF
-HIGH-RISE BUILDINGS
WITH ALL BUILDING CODE HIGH RISE PROVISIONS WAS DEMONSTRATED EITHER BY PRESCRIPTION OR
Y WITH THE FOLLOWING ITEMS DEEMED NOT APPLICABLE:
QUIREMENT FOR ENHANCED SFRM BONDING STRENGTH DEEMED NOT APPLICABLE AS THE HAZARDS
ADDRESSED BY THE PROVISION DO NOT EXIT FOR THIS PROJECT/DESIGN.
ONDARY WATER SUPPLY -DETERMINATION OF THE APPLICABLE SEISMIC DESIGN CATEGORY PENDING.
E COMMAND CENTER -FORM OF FCC AND CONTENTS TBD IN CONCERT WITH ASPEN FIRE.
NDBY POWER FOR ELEVATORS -DEEMED NOT APPLICABLE AS HAZARDS ADDRESSED BY THE PROVISION
NOT EXIST FOR THIS PROJECT/DESIGN.
OKEPROOF EXIT ENCLOSURES -DEEMED NO APPLICABLE AS HAZARDS ADDRESSED BY THE PROVISION DO
T EXIST FOR THIS PROJECT/DESIGN
-MOTOR-VEHICLE-RELATED OCCUPANCIES
T IN VEHICLE AND PEDESTRIAN TRAFFIC AREA IS NOT TO BE LESS THAN 7'-0". VEHICLE AND PEDESTRIAN
MMODATING VAN-ACCESSIBLE PARKING SHALL COMPLY WITH SECTION 1106.5 (IBC 406.3.2)
L VENTILATION SYSTEM SHALL BE PROVIDED IN ACCORDANCE WITH THE INTERNATIONAL MECHANICAL
6.6.2).
C SPRINKLER SYSTEM SHALL BE PROVIDED IN ACCORDANCE WITH SECTION 903.2.10 (IBC 406.6.3).
-GROUPS R-1 & R-2:
RATING UNITS IN THE SAME BUILDING SHALL BE CONSTRUCTED AS FIRE PARTITIONS IN ACCORDANCE
N 708 (IBC 420.2).
G ASSEMBLIES SEPARATING UNITS IN THE SAME BUILDING SHALL BE CONSTRUCTED AS HORIZONTAL
N ACCORDANCE WITH SECTION 711 (IBC 420.3).
AND DETAILED REQUIREMENTS BASED ON USE AND OCCUPANCY -CHAPTER 4
BUILDING HEIGHTS AND AREAS -CHAPTER 5
- BUILDING AREA:
10 ≤ X < 30
X ≥ 30
FIRE AND SMOKE PROTECTION FE
INTERIOR FINISHES -CHAPTER 8
GROUP
R-2
S-2
A-2
A-3f
B, R-1
INTERIOR EXIT STAIRWAYS A
RAMP AND EXIT PASSAGEWAY
C
C
B
B
B
Van accessible
parking requires 98" of
headroom.
ICC/A117.1-2009
section 502.6
GOVERNING CODES
ARCHITECTURAL DESIGN:2015 INTERNATIONAL BUILDING CODE (IBC)
2015 INTERNATIONAL RESIDENTIAL CODE (IRC)
STRUCTURAL DESIGN:2015 INTERNATIONAL BUILDING CODE (IBC)
MECHANICAL, PLUMBING, AND FIRE PROTECTION DESIGN:
2015 INTERNATIONAL MECHANICAL CODE (IMC)
2015 INTERNATIONAL PLUMBING CODE (IPC)
2015 INTERNATIONAL FIRE CODE, AS REFEREED BY IBC (IFC)
2015 INTERNATIONAL FUEL GAS CODE (IFGC)
ELECTRICAL DESIGN:2017 NATIONAL ELECTRICAL CODE (NEC)
ENERGY CONSERVATION DESIGN:2015 INTERNATIONAL ENERGY CONSERVATION CODE (IECC)
2015 SOLAR ENERGY PROVISIONS
POOL AND SPA DESIGN:2015 INTERNATIONAL SWIMMING POOL AND SPA CODE
ACCESSIBILITY DESIGN: ICC/ANSI A117.1 -2009
CODE SUMMARY
BUILDING ADDRESS: ASPEN, CO 81611
USE AND OCCUPANCY CLASSIFICATIONS -CHAPTER 3
• R-1 (HOTEL ROOMS) PER SECTION 310.3
• R-2 (CONDOS) PER SECTION 310.4
• S-2 (PRIVATE GARAGE) PER SECTION 311.3
• A-2 (RESTAURANTS AND BARS) PER SECTION 303.3
• A-3 (AMENITY SPACES AND FITNESS) PER SECTION 303.4
• B (OFFICES AND SPA) PER SECTION 304.1
SPECIAL AND DETAILED REQUIREMENTS BASED ON USE AND OCCUPANCY -CHAPTER 4
TABLE 601 FIRE-RESISTANCE
TYPES OF CONSTRUCT
BUILDING ELEMENT
PRIMARY STRUCTURAL FRAM
BEARING WALLS
EXTERIOR
INTERIOR
NONBEARING WALLS AND PA
EXTERIOR
NONBEARING WALLS AND PA
INTERIOR
FLOOR CONSTRUCTION AND
ROOF CONSTRUCTION AND A
TABLE 602 FIRE-RESISTANCE
FIRE SEPARATION
DISTANCE = X (feet
X < 5b
5 ≤ X < 10
10 ≤ X < 30
X ≥ 30
FIRE AND SMOKE PROT
2020 NEC
Subject: PlanCheck
Page: G021
Page Index: 4
Author: nickt
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Need to be seismic design
category B to be exempt from
secondary water supply.
Subject: PlanCheck
Page: G021
Page Index: 4
Author: nickt
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We need to have a letter
requesting exemption/alternate
method and detailing how your
design has equivalent safety.
Subject: PlanCheck
Page: G022
Page Index: 5
Author: nickt
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Class A required by Ordinance
40, 2016
Subject: PlanCheck
Page: G023
Page Index: 6
Author: nickt
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2015 IBC 403.2.4 requires a
SFRM minimum bond strength
of 430 psf for buildings under
421 feet, which includes this
building.
Subject: PlanCheck
Page: G023
Page Index: 6
Author: nickt
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Have a structural engineer
determine your seismic design
category.
2015 SOLAR ENERGY PROVISIONS
POOL AND SPA DESIGN:2015 INTERNATIONAL SWIMMING POOL AND SPA CODE
ACCESSIBILITY DESIGN: ICC/ANSI A117.1 -2009
CODE SUMMARY
BUILDING ADDRESS: ASPEN, CO 81611
USE AND OCCUPANCY CLASSIFICATIONS -CHAPTER 3
• R-1 (HOTEL ROOMS) PER SECTION 310.3
• R-2 (CONDOS) PER SECTION 310.4
• S-2 (PRIVATE GARAGE) PER SECTION 311.3
• A-2 (RESTAURANTS AND BARS) PER SECTION 303.3
• A-3 (AMENITY SPACES AND FITNESS) PER SECTION 303.4
• B (OFFICES AND SPA) PER SECTION 304.1
TABLE 705.8 MAX AR
OPENING PROTECTI
REFER SHEET G099
0' TO LESS THAN 3' F
3' TO LESS THAN 5' F
5' TO LESS THAN 10'
10' TO LESS THAN 15
15' TO LESS THAN 20
20' TO LESS THAN 25
25' TO LESS THAN 30
30' OR GREATER FIR
* UNPROTECTED OP
CAN UTILIZE THE ALL
SECTION 708 FIRE PA
FIRE PARTITIONS SH
SECTION 711 HORIZO
THE SUPPORTING C
THE HORIZONTAL AS
WHERE HORIZONTA
RATING OF NOT LES
R OCCUPANCIES FR
SECTION 403 -HIGH-RISE BUILDINGS
COMPLIANCE WITH ALL BUILDING CODE HIGH RISE PROVISIONS WAS DEMONSTRATED EITHER BY PRESCRIPTION OR
EQUIVALENCY WITH THE FOLLOWING ITEMS DEEMED NOT APPLICABLE:
1. REQUIREMENT FOR ENHANCED SFRM BONDING STRENGTH DEEMED NOT APPLICABLE AS THE HAZARDS
ADDRESSED BY THE PROVISION DO NOT EXIT FOR THIS PROJECT/DESIGN.
2. SECONDARY WATER SUPPLY -DETERMINATION OF THE APPLICABLE SEISMIC DESIGN CATEGORY PENDING.
3. FIRE COMMAND CENTER -FORM OF FCC AND CONTENTS TBD IN CONCERT WITH ASPEN FIRE.
4. STANDBY POWER FOR ELEVATORS -DEEMED NOT APPLICABLE AS HAZARDS ADDRESSED BY THE PROVISION
DO NOT EXIST FOR THIS PROJECT/DESIGN.
5. SMOKEPROOF EXIT ENCLOSURES -DEEMED NO APPLICABLE AS HAZARDS ADDRESSED BY THE PROVISION DO
NOT EXIST FOR THIS PROJECT/DESIGN
SECTION 406 -MOTOR-VEHICLE-RELATED OCCUPANCIES
CLEAR HEIGHT IN VEHICLE AND PEDESTRIAN TRAFFIC AREA IS NOT TO BE LESS THAN 7'-0". VEHICLE AND PEDESTRIAN
AREAS ACCOMMODATING VAN-ACCESSIBLE PARKING SHALL COMPLY WITH SECTION 1106.5 (IBC 406.3.2)
A MECHANICAL VENTILATION SYSTEM SHALL BE PROVIDED IN ACCORDANCE WITH THE INTERNATIONAL MECHANICAL
CODE (IBC 406.6.2).
AN AUTOMATIC SPRINKLER SYSTEM SHALL BE PROVIDED IN ACCORDANCE WITH SECTION 903.2.10 (IBC 406.6.3).
SECTION 420 -GROUPS R-1 & R-2:
WALLS SEPARATING UNITS IN THE SAME BUILDING SHALL BE CONSTRUCTED AS FIRE PARTITIONS IN ACCORDANCE
WITH SECTION 708 (IBC 420.2).
FLOOR/CEILING ASSEMBLIES SEPARATING UNITS IN THE SAME BUILDING SHALL BE CONSTRUCTED AS HORIZONTAL
SPECIAL AND DETAILED REQUIREMENTS BASED ON USE AND OCCUPANCY -CHAPTER 4
NONBEARING WALL
INTERIOR
FLOOR CONSTRUC
ROOF CONSTRUCT
TABLE 602 FIRE-RES
FIRE SEP
DISTANC
X
5 ≤ X
10 ≤
X
FIRE AND SMOK
Need to be seismic
design category B to
be exempt from
secondary water
supply.
SECTION 403 -HIGH-RISE B
COMPLIANCE WITH ALL BUI
EQUIVALENCY WITH THE FO
1. REQUIREMENT FO
ADDRESS
2. SECONDARY WAT
3. FIRE COMMAND C
4. STANDBY POWER
DO NOT EXIST FO
5. SMOKEPROOF EX
NOT EXIST FOR T
SECTION 406 -MOTOR-VEH
CLEAR HEIGHT IN VEHICLE
AREAS ACCOMMODATING V
A MECHANICAL VENTILATIO
CODE (IBC 406.6.2).
AN AUTOMATIC SPRINKLER
SECTION 420 -GROUPS R-1
SPECIAL AND DETAIL
We need to have a
letter requesting
exemption/alternate
method and detailing
how your design has
equivalent safety.
E 2902.1 MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURES
MBING SYSTEMS -CHAPTER 29
OCCUPANCY
WATER CLOSET DRINKING
FOUNTAINMALE
A-2
A-3
B
FEMALE
LAVATORY
M
1 per 75 1 per 75 1 per 200 1 per 500
1 per 125 1 per 65 1 per 200 1 per 500
1 per 25 for the first 50 and 1 per
50 for the remainder exceeding 50
1 per 40 for the first 80 and 1 per
80 for the remainder exceeding 80 1 per 100
1 per 500 1 per 750 1 per 1,000
1505.1 MINIMUM ROOF COVERING CLASSIFICATION:
TRUCTION TYPE IB:CLASS B
F ASSEMBLIES AND ROOFTOP STRUCTURES -CHAPTER 15
RINGS ARE REQUIRED TO BE NON-COMBUSTIBLE. (IBC 1406.2.1)
RIOR BALCONIES MADE OF COMBUSTIBLE CONSTRUCTION ARE REQUIRED TO BE TYPE IV,
Y TIMBER CONSTRUCTION OR HAVE A MINIMUM 2 HOUR FRR (IBC 1406.3)
DS, PICKETS, RAILS AND SIMILAR GUARDRAIL DEVICES ARE PERMITTED TO BE OF UNTREATED
D. (IBC 1406.3 EX. 2)
RIOR BALCONIES ARE LIMITED TO A MAXIMUM OF 50 PERCENT OF THE BUILDINGS PERIMETER
CH FLOOR UNLESS SRINKLERED PROTECTION IS EXTENDED TO THE BALCONY AREAS. (IBC
EX. 3)
Class A required by
Ordinance 40, 2016
2015 IBC 403.2.4
requires a SFRM
minimum bond
strength of 430 psf for
buildings under 421
feet, which includes
this building.
Have a structural
engineer determine
your seismic design
category.
Subject: PlanCheck
Page: G023
Page Index: 6
Author: nickt
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File Name: 20200115_Gorsuch Haus - 25% DD_CODE
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Provide duct smoke detection as
required by 907.2.13.1.2.
Subject: PlanCheck
Page: G090
Page Index: 16
Author: nickt
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This exterior exit stair on the
east side must be 10' from the
property line or abut permanent
open space, which must be
documented. 2015 IBC 1027
Subject: PlanCheck
Page: G090
Page Index: 16
Author: nickt
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In many cases the west stair is
right up against the setback; 5'
from the property line. Provide
documentation demonstrating
that the adjacent property is
permanent open space or
provide protection from the
property line in the form of 10' of
separation distance or a rated
wall. 2015 IBC 1027
Provide duct smoke
detection as required
by 907.2.13.1.2.
46' - 1"
This exterior exit stair
on the east side must
be 10' from the
property line or abut
permanent open
space, which must be
documented. 2015 IBC
1027
12' -
10"
19' - 2"
41
R.O.W. CENTERLINE
> 20' MIN > 1 8
EAS
54' - 6"
PROPERTY LINE
SET BACK
EXTENTS OF PUBLIC SKIWAY
> 20' MIN. (IBC 705.2)
41' - 8"
> 20' MIN.(IBC 705.2)
CENT PROPERTY LINE
20' - 11"
19' - 6"
SCALE: 1/32" = 1'-0"2 FIRE SEPARATION D L 05
In many cases the west
stair is right up against
the setback; 5' from the
property line. Provide
documentation
demonstrating that the
adjacent property is
permanent open space
or provide protection
from the property line in
the form of 10' of
separation distance or a
rated wall. 2015 IBC
1027
Subject: Group
Page: G091
Page Index: 17
Author: nickt
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I have marked up this elevation
to show the approximate location
of the west stair in red. This
shows that the stair is not on
grade but is substantially below
grade and not open to the side.
Exit discharge must be at grade
and open to the sky (202, 1028).
Exterior exit stairs must be open
to one side (1027). The portions
of the building highlighted in
yellow overhang the stair,
making it not open to the sky.
Exit discharge may not reenter
the building but at this location it
essentially does. The portion of
stair where over 500 occupants
converge to egress is in front of
the bottom green highlighted
door, which is covered on all
sides creating a tunnel. This
location also marks the
convergence of all exiting for the
R-1 occupancies on stories 4
through 9, creating a single exit.
Converging exits and single exits
are not permitted for buildings of
this size (1006, 1007.1). Exterior
exit stairs must be 10' from the
property line and are not
permitted in high rise buildings
or buildings six stories or greater
above grade plane. This stair
cannot be considered as exit
discharge or as a protected exit
stair.
Subject: PlanCheck
Page: G091
Page Index: 17
Author: nickt
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Revise these elevations and
provide elevations of other
aspects to show the mud flow
free board line. The Tetratech
report calls for 3' above grade on
uphill sides (South and West)
and 2' everywhere else. Exit
components may not be within
these zones. Windows must be
hurricane resistant.
Subject: PlanCheck
Page: G100
Page Index: 18
Author: nickt
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Revise to show accessible
parking, including a van
accessible space (verify height
requirement). Accessible parking
may not be double parked.
UNPROTECTED, SPRINKLERED (UP,S)
UNPROTECTED, SPRINKLERED (UP,S)
UNPROTECTED, SPRINKLERED (UP,S)
45%
75%
NO LIMIT
EXTERIOR WALL 10' TO LESS THAN 15'
EXTERIOR WALL15' TO LESS THAN 20'
EXTERIOR WALL20' TO LESS THAN 30'
EXTERIOR WALL OPENING PROTECTION LEGEND
WALL OPENING AREAS
WALL OPENING AREAS -PROTECTED 45 MIN.
WALL OPENING AREAS -PROTECTED 90 MIN.
NOTE: AREAS LEFT UN-HATCHED AREA BEYOND 20' FROM ZONE LOT LINE OR CL OF R.O.W. AND HAVE NO LIMIT ON OPENINGS
FIRE SEPARATION DISTANCE. The distance measured from the building face to one of the following:1. The closest interior lot line.2. To the centerline of a street, an alley or public way.3. To an assumed line between two buildings on the lot.The distance shall be measured at right angles from the face of the wall.
WALL AREAS WITHIN NOTED DISTANCE TO R.O.W.
LEVEL 01 (7999')78' - 6"
LEVEL 02 (8009'-6")89' - 0"
LEVEL 03 (8020'-6")100' - 0"
LEVEL 04 (8031')110' - 6"
LEVEL 05 (8041'-6")121' - 0"
LEVEL 06 (8052')131' - 6"
LEVEL 07 (8062'-6")142' - 0"
LEVEL 08 (8073')152' - 6"
LEVEL 09 (8082')162' - 6"
ROOF (8098'-6")178' - 0"
THIS AREA IS BETWEEN 15'-20' AWAY FROM CL OF R.O.W. PER IBC TABLE 705.8, UNPROTECTED, SPRINKLERED OPENINGS = MAX 75% OPENINGS IN FACADE
LEVEL 05: TOTAL FACADE AREA: =210.57 SFMAX 75% OPEN:=157.93 SFACTUAL:=56.00 SF
LEVEL 06: TOTAL FACADE AREA: =661.63 SFMAX 75% OPEN:=496.22 SFACTUAL:=293.77 SF
LEVEL 07: TOTAL FACADE AREA: =370.91 SFMAX 75% OPEN:=278.18 SFACTUAL:=145.62 SF
LEVEL 07 (8062'-6")142' - 0"
LEVEL 08 (8073')152' - 6"
LEVEL 09 (8082')162' - 6"
ROOF (8098'-6")178' - 0"
FIRE SEPARATION DISTANCE = 13'-1"
FIRE SEPARATION DISTANCE = 17'-8"
THIS AREA IS BETWEEN 15'-20' AWAY FROM CL OF R.O.W. PER IBC TABLE 705.8, UNPROTECTED, SPRINKLERED OPENINGS = MAX 75% OPENINGS IN FACADE
LEVEL 08: TOTAL FACADE AREA: =391.88 SFMAX 75% OPEN:=293.91 SFACTUAL:=144.33 SF
LEVEL 09: TOTAL FACADE AREA: =426.65 SFMAX 75% OPEN:=319.99 SFACTUAL:=261.33 SF
THIS AREA IS BETWEEN 10'-15' AWAY FROM CL OF R.O.W. PER IBC TABLE 705.8, UNPROTECTED, SPRINKLERED OPENINGS = MAX 45% OPENINGS IN FACADE
LEVEL 07: TOTAL FACADE AREA: =126.48 SFMAX 45% OPEN:=268.28 SFACTUAL:=14.41 SF
LEVEL 08: TOTAL FACADE AREA: =314.37 SFMAX 45% OPEN:=141.47 SFACTUAL:=37.00 SF
LEVEL 09: TOTAL FACADE AREA: =426.60 SFMAX 45% OPEN:=191.97 SFACTUAL:=147.00 SF
LEVEL 01 (7999')78' - 6"
LEVEL 02 (8009'-6")89' - 0"
THIS AREA IS BETWEEN 10'-15' AWAY FROM CL OF R.O.W. PER IBC TABLE 705.8, UNPROTECTED, SPRINKLERED OPENINGS = MAX 45% OPENINGS IN FACADE
LEVEL 01: TOTAL FACADE AREA: =141.63 SFMAX 45% OPEN:=63.73 SFACTUAL:=25.38 SF
FIRE SEPARATION DISTANCE=12'-10".
LEVEL 01: TOTAL FACADE AREA: =347.43 SFMAX 75% OPEN:=260.57 SFACTUAL:=97.78 SF
FIRE SEPARATION DISTANCE = 19'-3"
THIS AREA IS BETWEEN 15'-20' AWAY FROM CL OF R.O.W. PER IBC TABLE 705.8, UNPROTECTED, SPRINKLERED OPENINGS = MAX 75% OPENINGS IN FACADE
ISS. #
4240 Architecture Inc.
copyright 2019
ARCHITECT'S PROJECT NO. :DESIGNER:DRAFTER:CHECKER:APPROVED BY:
DESCRIPTION DATE
OWNER
G091
CODE ANALYSIS - FIRE SEPARATIONDISTANCE
21222.00DesignerAuthorCheckerApprover
AS
P
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8
1
6
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S
NORWAY ISLAND, LLCASPEN, CO 81611
STUDIO NYL2995 BASELINE RD., SUITE 314BOULDER, CO
STRUCTURALENGINEER
BG BUILDINGWORKS1626 COLE BLVD. SUITE 300LAKEWOOD, CO 80401
MEPENGINEER
INTEGRAL GROUP3000 LAWRENCE STREETDENVER, CO 80216
SUSTAINABILITY
GEILER & ASSOCIATES12355 E. CORNELL AVENUEAURORA, CO 80014
ACOUSTICALENGINEER
186 LIGHTING DESIGN GROUP1200 BANNOCK STREETDENVER, CO 80204
LIGHTING
SCALE: 1/16" = 1'-0"1FIRE SEPARATION DISTANCE - WEST ELEVATION
SCALE: 1/16" = 1'-0"2 FIRE SEPARATION DISTANCE - SOUTH ELEVATIONSCALE: 1/16" = 1'-0"3FIRE SEPARATION DISTANCE - NW ELEVATION
25% DESIGN DEVELOPMENT 15 JAN 2020
I have marked up this elevation to show the approximate location of thewest stair in red. This shows that the stair is not on grade but issubstantially below grade and not open to the side. Exit discharge must beat grade and open to the sky (202, 1028). Exterior exit stairs must be opento one side (1027). The portions of the building highlighted in yellowoverhang the stair, making it not open to the sky. Exit discharge may notreenter the building but at this location it essentially does. The portion ofstair where over 500 occupants converge to egress is in front of thebottom green highlighted door, which is covered on all sides creating atunnel. This location also marks the convergence of all exiting for the R-1occupancies on stories 4 through 9, creating a single exit. Convergingexits and single exits are not permitted for buildings of this size (1006,1007.1). Exterior exit stairs must be 10' from the property line and are notpermitted in high rise buildings or buildings six stories or greater abovegrade plane. This stair cannot be considered as exit discharge or as aprotected exit stair.
LEVEL 02 (8009'-6")
LEVEL 03 (8020'-6")
100' - 0"
LEVEL 04 (8031')
110' - 6"
LEVEL 05 (8041'-6")
121' - 0"
LEVEL 06 (8052')
131' - 6"
LEVEL 07 (8062'-6")
142' - 0"
LEVEL 08 (8073')
152' - 6"
LEVEL 09 (8082')
162' - 6"
ROOF (8098'-6")
178' - 0"
THIS AREA IS BETWEEN 15'-20' AWAY FROM CL OF R.O.W. PER IBC TABLE 705.8,
UNPROTECTED, SPRINKLERED OPENINGS = MAX 75% OPENINGS IN FACADE
LEVEL 05:
TOTAL FACADE AREA: =210.57 SF
MAX 75% OPEN:=157.93 SF
ACTUAL:=56.00 SF
LEVEL 06:
TOTAL FACADE AREA: =661.63 SF
MAX 75% OPEN:=496.22 SF
ACTUAL:=293.77 SF
LEVEL 07:
TOTAL FACADE AREA: =370.91 SF
MAX 75% OPEN:=278.18 SF
ACTUAL:=145.62 SF
LEVEL 07 (8062'-6")
142' - 0"
LEVEL 08 (8073')
152' - 6"
LEVEL 09 (8082')
162' - 6"
ROOF (8098'-6")
178' - 0"
FIRE SEPARATION DISTANCE = 13'-1"
FIRE SEPARATION DISTANCE = 17'-8"
THIS AREA IS BETWEEN 15'-20' AWAY FROM
CL OF R.O.W. PER IBC TABLE 705.8,
UNPROTECTED, SPRINKLERED OPENINGS =
MAX 75% OPENINGS IN FACADE
LEVEL 08:
TOTAL FACADE AREA: =391.88 SF
MAX 75% OPEN:=293.91 SF
ACTUAL:=144.33 SF
LEVEL 09:
TOTAL FACADE AREA: =426.65 SF
MAX 75% OPEN:=319.99 SF
ACTUAL:=261.33 SF
REA IS BETWEEN 10'-15' AWAY
F R.O.W. PER IBC TABLE 705.8,
TED, SPRINKLERED OPENINGS
AX 45% OPENINGS IN FACADE
A: =126.48 SF
=268.28 SF
=14.41 SF
A: =314.37 SF
=141.47 SF
=37.00 SF
A: =426.60 SF
=191.97 SF
=147.00 SF
ISS. #
ARCHITECT'S PROJECT NO. :
DESIGNER:
DRAFTER:
CHECKER:
APPROVED BY:
DESCRIPTION
AS
P
E
N
,
C
O
8
1
6
1
1
GO
R
S
U
C
H
H
A
U
S
" = 1'-0"
SEPARATION DISTANCE - SOUTH ELEVATION
25% DESIGN DEVELOPMENT 15
Revise these elevations and
provide elevations of other
aspects to show the mud flow free
board line. The Tetratech report
calls for 3' above grade on uphill
sides (South and West) and 2'
everywhere else. Exit components
may not be within these zones.
Windows must be hurricane
resistant.
UP
STAIR 01
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
598 SF
2
BOILER ROOM
300 SF GROSS
MECH.
MECH.
Revise to show accessible parking,
including a van accessible space
(verify height requirement).
Accessible parking may not be double
parked.
Subject: PlanCheck
Page: G101
Page Index: 19
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
Doors in a series need 48"
between door swings. 2015 IBC
1010.1.8
Subject: Group
Page: G102
Page Index: 20
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
The eastern three King units on
level 2 have a common path
travel distance exceeding 75'.
This distance must be measured
from the furthest location inside
the unit, including balconies.
1006.2.1
Subject: PlanCheck
Page: G102
Page Index: 20
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
Area of assisted rescue required
at exit discharge that does not
have an accessible route to
grade must have sides that are
at least 50% open. This area
may not decrease the required
width. 1009.7
Subject: PlanCheck
Page: G102
Page Index: 20
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
High rise buildings and buildings
more than 6 stories above grade
plane may not use exterior exit
stairs. 2015 IBC 1027.2 Exterior
exit stairs must be 10' from
property line and be protected
from the building. Only openings
used for egress from normally
occupied spaces are allowed, no
windows permitted (within 10').
2015 IBC 1027.
ELEVATOR 2
EMERGENCY
GENERATOR
ELEV. LOBBY
STAIR 02
TELECOM
OCCUPANCY:
AREA SUBTOT
LOAD FACTOR
OCCUPANT LO
OCCUPANCY:
AREA SUBTOT
LOAD FACTOR
OCCUPANT LO
USE (FUNCTION
TELECOM
REQ'D DOOR W
TOTAL EGRESS
REQ'D STAIR W
STAIR 02
.20"/OCC = 3.8"
.30"/OCC = 5.7"
2
1
2 17
Doors in a series need
48" between door
swings. 2015 IBC
1010.1.8
5T72
24
5T72
24
5T
6024 5T
60 24
5T
6024 5T
60 24
5T 36
24
5T66
24
5T
7224 5T
7224
BEV/SERVICE
DISH
ASSEMBLYPLATING STOR.
HOTHOLDING
REF.
REF.
FR.FR.
STORAGE
ICE
DC
WINSTO
N
C
A
C
-
5
2
2
DC
WINSTON C
A
C
-
5
2
2
DC
WINSTON CA
C
-
5
2
2
DBL
TRUE T-
4
9
F
TRUE T-49F
TRUE T-49F TRUE T-49F
UNIVERSAL MOP 20-8
FISHER2445
133 1N EW A GE
133 1N EW A GE
133 1N EW A GE
AIRIN
DD
C AIROUT
HOSHIZAKI
K
M
-
1
3
0
1
S
A
H
3
D
133 1N EW A GE
AFFORDABLE
HOUSING UNIT
MEN
MTG STORAGE
MEETING /
BANQUET
STORAGE
KING
KING
KING
KING
WARMING
KITCHEN
ELEVATOR 2
SERVICE
STAIR 02
HOUSEKEEPING
ELECTRICAL
KING
KING
ELEVATOR 1
PRE-FUNCTION
CORRIDORSTORAGE
CORRIDOR
CO
R
R
I
D
O
R
WOMEN
F&B OFFICE
F&B SALES
EMPL. TOILET
JAN.
MECHANICAL
BAR
FILL
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
503 SF
3
SIM @ ALL KING SUITES
200 SF GROSS
R-1
TEMP. RESIDENTIAL
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
174 SF
1
TERRACE
200 SF GROSS
R-1
ACCESSORY
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
101 SF
1
BALCONY
200 SF GROSS
R-1
ACCESSORY
1
64
64
64
64
3
10
6
2
2
2
1
1
3
14
4
31
4
3
4
31
3
1
4
3
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
EXIT DOOR
64
.20"/OCC =12.8" < 36" ACTUAL
3
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
EXTERIOR EGRESS STAIR
128
.30"/OCC = 38.4" < 85" ACTUAL128165
2
154
12
95
DO
LO
UP
STA
CO
STA
STA
ST
95
AREA OF RESCUE
AREA OF RESCUE
255
The eastern three King
units on level 2 have a
common path travel
distance exceeding
75'. This distance must
be measured from the
furthest location inside
the unit, including
balconies. 1006.2.1
99
'
-
0
"
99
'
-
2
"
99
'
-
2
"
DN UP
AFFORDABLE
HOUSING UNIT
ELECTRICAL
KING
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
777 SF
4
AFFORDABLE HOUSING UNIT
200 SF GROSS
R-2
RESIDENTIAL
14
4
31
165 95
AREA OF RESCUE
SCALE:1" = 10'-0"1 OCCUPANCY & FIRE RA
Area of assisted
rescue required at exit
discharge that does
not have an accessible
route to grade must
have sides that are at
least 50% open. This
area may not decrease
the required width.
1009.7
DN UPDN
*
AFFORDABLE
HOUSING UNIT
KING
STAIR 02
ELECTRICAL
KING
KING
MECHANICAL OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
406 SF
2
MECHANICAL
300 SF GROSS
MECH.
MECH.
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
198 SF
1
ELECTRICAL
300 SF GROSS
MECH.
MECH.
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
777 SF
4
AFFORDABLE HOUSING UNIT
200 SF GROSS
R-2
RESIDENTIAL
3
14
4
31
4
3
165
2
95
DOOR =
UPPER OCCUPANT LOAD:
STAIR =
COMBINED OCC LOAD AT EXIT DISCHARGE:
STAIR LANDING =
STAIR =
.2"/OCC = 18" < 36" ACTUAL
.3"/OCC = 13.8" < 48" ACTUAL
.3"/OCC = 27" < 48" ACTUAL
LEVEL 04 = 46
90
.3"/OCC = 13.2" < 48" ACTUAL
95
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
EXTERIOR STAIR
165
.20"/OCC = 33" < 36"
.30"/OCC = 49.5" < 72" ACTUAL
AREA OF RESCUE
SCALE:1" = 10'-0"1 OCCUPANCY & FIRE RATED WALLS - LEVEL 02
High rise buildings and
buildings more than 6
stories above grade
plane may not use
exterior exit stairs.
2015 IBC 1027.2
Exterior exit stairs
must be 10' from
property line and be
protected from the
building. Only
openings used for
egress from normally
occupied spaces are
allowed, no windows
permitted (within 10').
2015 IBC 1027.
Subject: PlanCheck
Page: G102
Page Index: 20
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
All exits serving the R-1
occupancies on stories 4-9
converge at this location on the
exterior western stair. In
addition, the second exit from all
of the commercial spaces also
exits here.
A quick occupant load
calculation: 95 beds x 2 pillows
= 190. + 29 from the spa = 219
occupants using this stair as a
single exit.
Then add half of the occupant
loads from the lobby (31),
banquet (255), restaurant (126),
library (115), and world cup bar
(58) and you have an occupant
load of roughly 512. This does
not include the additional load
from the public using this "public
amenity" during an event such
as the world cup.
Stair width needed for 512
occupants x 0.3”/occupant =
153” at the bottom per 2015 IBC
1005.3.1. Doors swinging into
the egress path of this stair may
not block the required width by
more than one half.
At this location the stair is
essentially a tunnel enclosed on
each side and above. Elsewhere
where open above it is below
grade.
Subject: PlanCheck
Page: G102
Page Index: 20
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
The six King units on level 2
have access to only one exit.
Table 1006.3.2(2) does not
permit a single exit for R-1 units
on the second story above grade
plane. Egress through the
banquet pre-function room
requires travel through an
intervening space which is not
permitted by 1016.2.
Subject: PlanCheck
Page: G102
Page Index: 20
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
Large electrical equipment may
require a second exit.
DN UPDN
AFFORDABLE
HOUSING UNIT
KING
KING
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
777 SF
4
AFFORDABLE HOUSING UN
200 SF GROSS
R-2
RESIDENTIAL
CY:
TOTAL:
TOR:
T LOAD:
TION):
503 SF
3
LL KING SUITES
200 SF GROSS
R-1
TEMP. RESIDENTIAL
CY:
TOTAL:
TOR:
T LOAD:
174 SF
1
200 SF GROSS
R-1
4
4
31
165 95
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
EXTERIOR STAIR
165
.20"/OCC = 33" < 36"
.30"/OCC = 49.5" < 72" ACTUAL
AREA OF RESCUE
All exits serving the R-1 occupancies on stories 4-9 converge at
this location on the exterior western stair. In addition, the second
exit from all of the commercial spaces also exits here.
A quick occupant load calculation: 95 beds x 2 pillows = 190. + 29
from the spa = 219 occupants using this stair as a single exit.
Then add half of the occupant loads from the lobby (31), banquet
(255), restaurant (126), library (115), and world cup bar (58) and
you have an occupant load of roughly 512. This does not include
the additional load from the public using this "public amenity"
during an event such as the world cup.
Stair width needed for 512 occupants x 0.3”/occupant = 153” at the
bottom per 2015 IBC 1005.3.1. Doors swinging into the egress
path of this stair may not block the required width by more than
one half.
At this location the stair is essentially a tunnel enclosed on each
side and above. Elsewhere where open above it is below grade.
5T72
24
5T72
24
5T
6024 5T
60 24
5T
6024 5T
60 24
5T 36
24
5T66
24
5T
7224 5T
7224
BEV/SERVICE
DISH
ASSEMBLYPLATING STOR.
HOTHOLDING
REF.
REF.
FR.FR.
STORAGE
ICE
DC
WINSTON CAC
-
5
2
2
DCWINSTON CAC-52
2
DC
WINSTON CA
C
-
5
2
2
DBL RACK
TRUE T-49F
TRUE T-49F
TRUE T-49F TRUE T-49F
UNIVERSAL MOP 20-8
FISHER2445
133 1N EW A GE
133 1N EW A GE
133 1N EW A GE AIRIN
DD
C AIROUT
HOSHIZAKI KM-
1
3
0
1
S
A
H
3
D
133 1N EW A GE
DN UPDN
AFFORDABLE
HOUSING UNIT
MEN
MTG STORAGE
MEETING /BANQUET
STORAGE
KING
KING
KING
KING
WARMINGKITCHEN
ELEVATOR 2
SERVICE
STAIR 02
HOUSEKEEPING
ELECTRICAL
KING
KING
ELEVATOR 1
PRE-FUNCTION
SERVICECORRIDORSTORAGE
CORRIDOR
CO
R
R
I
D
O
R
WOMEN
F&B OFFICE
F&B SALES
EMPL. TOILET
JAN.
MECHANICAL
BAR
FILL
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
777 SF
4
AFFORDABLE HOUSING UNIT
200 SF GROSS
R-2
RESIDENTIAL
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
503 SF
3
SIM @ ALL KING SUITES
200 SF GROSS
R-1
TEMP. RESIDENTIAL
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
174 SF
1
TERRACE
200 SF GROSS
R-1
ACCESSORY
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
101 SF
1
BALCONY
200 SF GROSS
R-1
ACCESSORY
1
64
64
64
64
3
10
6
2
2
2
1
1
3
14
4
31
4
3
4
31
3
1
4
3
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
EXIT DOOR
64
.20"/OCC =12.8" < 36" ACTUAL
3
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
EXTERIOR EGRESS STAIR
128
.30"/OCC = 38.4" < 85" ACTUAL128165
2
154
12
95
95
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
EXTERIOR STAIR
165
.20"/OCC = 33" < 36"
.30"/OCC = 49.5" < 72" ACTUAL
AREA OF RESCUE
AREA OF RESCUE
AREA OF RESCUE
255
SCALE:1" = 10'-0"1 OCCUPANCY & FIR
The six King units onlevel 2 have access to
only one exit. Table
1006.3.2(2) does not
permit a single exit for
R-1 units on the
second story above
grade plane. Egressthrough the banquet
pre-function roomrequires travel through
an intervening spacewhich is not permitted
by 1016.2.
ELECTRICAL
MECHANICAL OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
406 SF
2
MECHANICAL
300 SF GROSS
MECH.
MECH.
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
198 SF
1
ELECTRICAL
300 SF GROSS
MECH.
MECH.
3
1
2
DOOR =
UPPER OCCUPANT LOAD:
STAIR =
COMBINED OCC LOAD AT EXIT DISCHARGE:
STAIR LANDING =
STAIR =
.2"/OCC = 18" < 36" ACTUAL
.3"/OCC = 13.8" < 48" ACTUAL
.3"/OCC = 27" < 48" ACTUAL
LEVEL 04 = 46
90
.3"/OCC = 13.2" < 48" ACTUAL
Large electrical
equipment may require
a second exit.
Subject: PlanCheck
Page: G102
Page Index: 20
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
The hallway from stair 2 to the
exterior on level 2 appears to be
intended to be an exit
passageway, is this correct?
Subject: PlanCheck
Page: G103
Page Index: 21
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
The second exit for the R-1 units
on level 3 require traversing a
dead end egress balcony
(requires fire protection of walls
and openings, and through the
intervening spaces of the
restaurant and library decks.
(1016.2, 1021.2)
Subject: PlanCheck
Page: G103
Page Index: 21
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
These stairs must be considered
as exterior exit stairs as path of
travel to an exit may not traverse
more than 2 stories.
Demonstrate adequate
separation from the building and
property line in plan and
elevation. 1027
Subject: Group
Page: G104
Page Index: 22
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
The four northernmost R-1 units
on level 4 have a common path
travel distance exceeding 75'.
This distance must be measured
from the furthest location inside
the unit, including balconies.
1006.2.1
Subject: PlanCheck
Page: G104
Page Index: 22
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
This stair may not count as an
exit access stair because it
requires egressing through the
intervening space of the library.
1016.2
DN UP
AFFORDABLE
HOUSING UNIT
MEN
KING
KING
ELEVATOR 2
STAIR 02
ELECTRICAL
KING
KING
MECHANICAL OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
40
2
MECHANICAL
30
ME
ME
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
19
1
ELECTRICAL
30
ME
ME
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
777 SF
4
AFFORDABLE HOUSING UNIT
200 SF GROSS
R-2
RESIDENTIAL
3
14
4
3
4
3
165
2
154
95
DOOR =
LOWER OCCUPANT LOAD:
UPPER OCCUPANT LOAD:
STAIR =
COMBINED OCC LOAD AT EXIT DIS
(EGRESS C
STAIR LANDING =
STAIR =
STAIR 02
.2"/OCC = 18" < 36" ACTUA
.3"/OCC = 13.8" < 48" ACTU
.3"/OCC = 27" < 4
LEVEL
LEVEL
.3"/OCC = 13.2" < 48" ACTU
95
AREA OF RESCUE
1 OCCUPANCY & FIRE RATED WALLS
The hallway from stair
2 to the exterior on
level 2 appears to be
intended to be an exit
passageway, is this
correct?
HSK
3
10
ANCY:
UBTOTAL:
ACTOR:
ANT LOAD:
NCTION):
47 SF
1
EKEEPING
200 SF GROSS
R-1
ACCESSORY
ANCY:
UBTOTAL:
ACTOR:
ANT LOAD:
NCTION):
594 SF
40
RY PATIO
15 SF NET
A-2
LOUNGE/BAR
ANCY:
UBTOTAL:
ACTOR:
ANT LOAD:
NCTION):
1722 SF
115
RY
15 SF NET
A-2
LOUNGE/BAR
1
40
DOOR WIDTH:
EGRESS LOAD:
IT DOOR
29
C =5.8" < 36" ACTUAL
29
29
The second exit for the
R-1 units on level 3
require traversing a
dead end egress
balcony (requires fire
protection of walls and
openings, and through
the intervening spaces
of the restaurant and
library decks. (1016.2,
1021.2)
COO EXPO
SERVICE
ADA
SERVICE
HOST
HOST
SERV.
VESTIBULE
BAR
RESTAURANT
LIB
OUTD ST
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
1882 SF
126
RESTAURANT
15 SF NET
A-2
RESTAURANT
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
1073 SF
72
RESTAURANT PATIO
15 SF NET
A-2
RESTAURANT
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
316 SF
22
EXTERIOR TERRACE
15 SF NET
A-2
ASSEMBLY
USE (FUNCTION):
LIBRARY
LOUNGE/BAR
108
126
6763
370
241
REQ'D DOOR WIDTH
TOTAL EGRESS LO
EXIT DOOR
.20"/OCC =13.4" < 72
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
EXIT DOOR
63
.20"/OCC =12.6" < 36" ACTUAL
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
EXTERIOR EGRESS STAIR
241
.30"/OCC = 72.3" < 84" ACTUAL
AREA OF RESCUE
AREA OF RESCUE
29
These stairs must be
considered as exterior
exit stairs as path of
travel to an exit may
not traverse more than
2 stories. Demonstrate
adequate separation
from the building and
property line in plan
and elevation. 1027
PASTRY /CARVERY
BAR
PICK UP
POS
SERVICE
DN
OPEN TOBELOW
KING KING
KING EXT.
Q/Q
BOOT ROOM
KING
Q/Q
ELEVATOR 2
VEST
KING KING
KING
CORRIDOR
SERVICE
STAIR 02
FITNESS
KING
ELEVATOR 4
ELEVATOR 1
WORLD CUP BAR
KING
Q/Q
HSK
STAIR 03
GREAT ROOM AHU
MECH
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
371 SF
2
SIM @ ALL KING
200 SF GROSS
R-1
TEMP. RESIDENTIAL
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
484 SF
3
SIM @ ALL Q/Q
200 SF GROSS
R-1
TEMP. RESIDENTIAL
OCCUPANCY:
AREA SUBTOTAL:LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
347 SF
7
BOOT ROOM
50 SF NET
A-2
ASSEMBLY
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
128 SF
1
GREAT ROOM AHU
300 SF GROSS
MECH.
MECH.
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
37 SF
1
HOUSEKEEPING
200 SF GROSS
R-1ACCESSORY
4
3
1
433
3
1
46
1
1 1
1
3 3 3
3 4 4 4
41
18
111
3 3
4 4
7
34
29
2
3
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
STAIR 02
46
.20"/OCC = 9.2" < 36" ACTUAL
.30"/OCC = 13.8" <48" ACTUAL
34
REQ'D DOOR WIDTH:
REQ'D STAIR WIDTH:.30"/OCC = 10.2" < 78" ACTUAL
REQ'D DOOR WIDTH:TOTAL EGRESS LOAD:
EXIT DOOR
7
.20"/OCC =1.4" < 36" ACTUAL
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
EXIT DOOR
34
.20"/OCC =6.8" < 36" ACTUAL
AREA OF RESCUE
AREA WELL
5
1
SCALE:1" = 10'-0"1 OCCUPANCY & FIRE RATED WALLS - LEVEL
The four northernmostR-1 units on level 4have a common pathtravel distanceexceeding 75'. This
distance must be
measured from the
furthest location inside
the unit, including
balconies. 1006.2.1
97
'
-
6
"
83
'
-
6
"
86'
-
2
"
81
'
-
6
"
DN
OPEN TO
BELOW
ELEVATOR 2
VEST
ELEVATOR 1
HSK
GREAT ROOM AHU 46
1
3
5
1
This stair may not
count as an exit
access stair because it
requires egressing
through the intervening
space of the library.
1016.2
Subject: PlanCheck
Page: G104
Page Index: 22
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
R1 rooms may not egress
through the intervening space of
A2 world cup bar. 1016.2
Subject: PlanCheck
Page: G104
Page Index: 22
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
Chiller yard is not a normally
occupied space so may not open
into an exit. 2015 IBC 1026,6,
1027.6
Subject: Group
Page: G105
Page Index: 23
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
Five of the R-1 units on level 5
have a common path travel
distance exceeding 75' (two in
NE corner, two in SE corner, one
in NW corner). This distance
must be measured from the
furthest location inside the unit,
including balconies. 1006.2.1
Subject: Group
Page: G105
Page Index: 23
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
The common path travel
distance from the most remote
point within the spa (group B
occupancy) exceeds 100'.
1006.2.1
Subject: PlanCheck
Page: G106
Page Index: 24
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
A door is required to separate
the exit passageway from the
exit stair.
PASTRY /CARVERY
BAR
PICK UP
POS
SERVICE
BOOT ROOM
KING
VEST
SERVICE
ELEVATOR 1
WORLD CUP BAR
Q/Q
TAL:
R:
OAD:
ON):
371 SF
2
L KING
200 SF GROSS
R-1
TEMP. RESIDENTIAL
TAL:
R:
OAD:
ON):
484 SF
3
L Q/Q
200 SF GROSS
R-1
TEMP. RESIDENTIAL
7
34
29
2
3
34
REQ'D STAIR WIDTH:
.30"/OCC = 10.2" < 78" ACTUAL
AREA OF RESCUE
5
R1 rooms may not
egress through the
intervening space of
A2 world cup bar.
1016.2
DN
KING
KING EXT.
Q/Q Q/Q
ELEVATOR 2
KING
STAIR 02
KING
ELEVATOR 4
STAIR 03
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
454 SF
3
SIM @ ALL Q/Q
200 SF GROSS
R-1
TEMP. RESIDENTIAL
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
453 SF
3
SIM @ ALL KING EXT.
200 SF GROSS
R-1
TEMP. RESIDENTIAL
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
137 SF
1
TERRACE
200 SF GROSS
R-1
ACCESSORY
4
3
1
4
3
1
46
1 1
1
3 3 3
3 4 4 4
SCALE:1" = 10'-0"1 OCCUPANCY & FIRE RATED WALLS - LEVEL 04
Chiller yard is not a
normally occupied
space so may not
open into an exit. 2015
IBC 1026,6, 1027.6
DN DN DN
DN
DN
UP
DN
SHEET NOTES:
SEE A500 SERIES 1.
ALL FIRE RATED WILL EXTEND TO FACE OF ALL WA
2.
ALL RATED WALL DOOR OPENING, FRAMES
3.
ALL INTERIOR SH AND ELEVATORS RATED UNLESS B
4.
ALL NON-RATED ASSEMBLIES ARE STC RATING ONL
5.
REFER G110 FOR STAIR PROTECTI
6.
FIRE RESISTANCE -RATED WALL LEGEND (IBC 708)
WALL SYMBOL DESCRIPTION LOCATION / PURPOSE FIRE RESISTIVE RATING
NOTES:
(1) THE FIRE-RESISTANCE RATING OF EXTERIOR WALLS WITH A FIRE SEPARATION DISTAN FEET SHALL BE RATED FOR EXPOSURE TO FIRE FROM THE INSIDE; FOR A FIRE SEPARATI DISTANCE < OR = 5 FEET, SUCH WALLS SHALL BE RATED FOR EXPOSURE TO FIRE FROM SIDES.(2) SEE MECHANICAL DOCUMENTATION FOR LOCATIONS OF FIRE DAMPERS.(3) SEE MECHANICAL DOCUMENTATION FOR LOCATIONS OF SMOKE DAMPERS.(4) SEE ARCHITECTURAL DOCUMENTATION FOR LOCATIONS OF FIRE DOORS AND FIRE SH (5) NOT REQUIRED AT PENETRATION OF EXHAUST OR SUPPLY SHAFTS IN PARKING GARA ARE SEPARATED FROM OTHER BUILDING SHAFTS BY NOT LESS THAN 2 HR FIRE RESISTA CONSTRUCTION.
NON-BEARING WALLS SEPARATING DWELLING UNITS OR SLEEPING UNITS, AND OCCUPANCY SEPARATIONS PER IBC 302.
1 HR
DESIGN OCCUPANCY LOAD
FIRE PARTITIONS CORRIDORS PER IBC 1018.1..5 HR @ R OCC.
FIRE PARTITION
INT / EXTERIOR WALLS INTERIOR AND EXTERIOR NON-RATED WALLS (PER OCCUPANCY -IBC 302)NR
EXIT OCCUPANT LOAD
X
Z
FIRE BARRIERS (IBC 707)
TYPE HR RATING (SPRINKLERED) < 4 STORIES
1HR (2HR*)STAIRWAYS
HR RATIN >
1HR (2HR*)SHAFTS
2HRHOR. EXIT
1HREXIT PASSAGEWAY
1HR OR SPRINKLERINCIDENTAL USES 1HR
* FIRE HR RATING IS NOT TO BE LESS THEN FLOOR ASSEMBLY PENETRATED BUT NEED NO (IBC 2012 SECTION 713.4)
OCCUPANCY SYMBOLS LEGEND
EXIT ENCLOSURES, ALL SHAFT WALLS, AND EXIT PASSAGE WALLS 2 HRFIRE BARRIER
NON BEARING WALLS AT TRANSFORMER AND GENERATOR 3 HRFIRE WALL
RATED EXTERIOR WALLS 1 HREXTERIOR WALL
RATED EXTERIOR WALLS 2 HREXTERIOR WALL
STAIR WALLS CONNECTING LESS THAN 4 STORIES; NON BEARING WALLS AT TRANSFORMER, GENERATOR AND BOILER
1 HRFIRE BARRIER
KING KING KING
Q/QQ/QKING EXT.
Q/Q
KING
KING EXT.ELEVATOR 2
BOHQ/Q
SERVICE
STAIR 02
SPA
KING
KING
ADA KING
KING
ELEVATOR 4
KING EXT.
ELEVATOR 1
CORRIDOR
Q/Q
KING KING
STAIR 03
OCCUPANCY:AREA SUBTOTAL:
LOAD FACTOR:OCCUPANT LOAD:
USE (FUNCTION):
2848 SF
29
SPA
100 SF GROSS
BSPAOCCUPANCY:AREA SUBTOTAL:
LOAD FACTOR:OCCUPANT LOAD:
USE (FUNCTION):
433 SF
3
SIM @ ALL ADA KING
200 SF GROSS
R-1TEMP. RESIDENTIAL
OCCUPANCY:AREA SUBTOTAL:LOAD FACTOR:OCCUPANT LOAD:
USE (FUNCTION):
525 SF
3
KING
200 SF GROSS
R-1TEMP. RESIDENTIAL
29
4
3443
11
11
1
1
1
1
1
1 1
1 1
3
3
4
4
4
4
4
4
4 4 3
4 4
33
33
3
3
3
3
3
3
3 3
3
27
69
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
STAIR 02
27
.20"/OCC = 5.4" < 36" ACTUAL
.30"/OCC = 8.1" <48" ACTUAL
69
DOOR =
LOWER OCCUPANT LOAD:
UPPER OCCUPANT LOAD:STAIR =COMBINED OCC LOAD AT EXIT DISCHARGE:
(EGRESS CONVERGENCE)
STAIR LANDING =
STAIR =
STAIR 03
.2"/OCC = 11.6" < 36" ACTUAL
.3"/OCC = 5.1" < 48" ACTUAL
.3"/OCC = 17.4" < 48" ACTUAL
LEVEL 04 = 41
LEVEL 06 = 17
58
.3"/OCC = 12.3" < 48" ACTUAL
REQ'D DOOR WIDTH:TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
EXTERIOR STAIR
69
.20"/OCC = 13.8" < 36" ACTUAL
.30"/OCC = 20.7" < 44" ACTUAL
REQ'D DOOR WIDTH:TOTAL EGRESS LOAD:
EXIT DOOR 69
.20"/OCC =13.8" < 36" ACTUAL
FLAT GREEN ROOF(BELOW)
SCALE:1" = 10'-0"1OCCUPANCY & FIRE RATED WALLS - LEVEL 05
Five of the R-1 unitson level 5 have acommon path traveldistance exceeding 75'(two in NE corner, twoin SE corner, one inNW corner). Thisdistance must bemeasured from thefurthest location insidethe unit, includingbalconies. 1006.2.1
77
'
-
1
"
79
'
-
1
1
"
82
'
-
4
"
80'-
0
"
77
'
-
1
"
WALL SYMBOL DESCRIPTION LOCATION / PURPOSE
NOTES:
(1) THE FIRE-RESISTANCE RATING OF EXTERIOR WALLS W
FEET SHALL BE RATED FOR EXPOSURE TO FIRE FROM THE
DISTANCE < OR = 5 FEET, SUCH WALLS SHALL BE RATED F SIDES.
(2) SEE MECHANICAL DOCUMENTATION FOR LOCATIONS O
(3) SEE MECHANICAL DOCUMENTATION FOR LOCATIONS O
(4) SEE ARCHITECTURAL DOCUMENTATION FOR LOCATION
(5) NOT REQUIRED AT PENETRATION OF EXHAUST OR SUP ARE SEPARATED FROM OTHER BUILDING SHAFTS BY NOT
CONSTRUCTION.
NON-BEARING WALLS S
DWELLING UNITS OR SL UNITS, AND OCCUPANC SEPARATIONS PER IBC
DESIG
FIRE
PARTITIONS CORRIDORS PER IBC 10
FIRE PARTITION
INT / EXTERIOR
WALLS
INTERIOR AND EXTERIO
WALLS (PER OCCUPANC
X
FIRE BARRIERS (IBC 707)
TYPE HR RATING (SPRI
< 4 STORI
1HR (2HR STAIRWAYS
1HR (2HR SHAFTS
2HRHOR. EXIT
1HREXIT PASSAGEWAY
1HR OR SPRIN INCIDENTAL USES
* FIRE HR RATING IS NOT TO BE LESS THEN FLOOR ASSEMB
(IBC 2012 SECTION 713.4)
OCCUPANCY SY
EXIT ENCLOSURES, ALL
WALLS, AND EXIT PASSA
FIRE
BARRIER
NON BEARING WALLS A
TRANSFORMER AND GE
FIRE WALL
RATED EXTERIOR WALL
EXTERIOR
WALL
RATED EXTERIOR WALL
EXTERIOR
WALL
STAIR WALLS CONNECT
THAN 4 STORIES; NON B WALLS AT TRANSFORME
GENERATOR AND BOILE
FIRE BARRIER
KING KING
Q/QQ/QT.KING
SPA
KING
KING
ADA KING
KING
ELEVATOR 4
CORRIDOR
STAIR 03
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
2848 SF
29
SPA
100 SF GROSS
B
SPA
OCCUPANCY:
AREA SUBTOTAL:
LOAD FACTOR:
OCCUPANT LOAD:
USE (FUNCTION):
433 SF
3
SIM @ ALL ADA KING
200 SF GROSS
R-1
TEMP. RESIDENTIAL
29
4
3443
1
1 1
1 1
3 4 4 3
4 4
33
33
3 3
3
69
69
The common path
travel distance from
the most remote point
within the spa (group
B occupancy) exceeds
100'. 1006.2.1
10
7
'
-
9
"
NOTES:
(1) THE FIRE-RES
FEET SHALL BE
DISTANCE < OR
SIDES.
(2) SEE MECHAN
(3) SEE MECHAN
(4) SEE ARCHITE
(5) NOT REQUIRE
ARE SEPARATED
CONSTRUCTION
FIRE BARRIER
TY
STAIR
SHA
HOR.
EXIT PASS
KING
STAIR 04
4
4
3
31
157
A door is required to
separate the exit
passageway from the
exit stair.
Subject: PlanCheck
Page: G108
Page Index: 26
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
This stairway serves an
uppermost level at 8074'. Lowest
level of fire department vehicle
access is ground floor at 7999'.
This is exactly 75' and thus does
not require the stairway to be a
smoke proof enclosure per 2015
IBC 403.5.3.1
Subject: PlanCheck
Page: G110
Page Index: 28
Author: nickt
Color:
File Name: 20200115_Gorsuch Haus - 25% DD_CODE
SHEETS ONLY.pdf
Dash in the stairway walking
surface and accurately
dimension 10' above it. The
shading appears to be incorrect
in some locations. Every wall
within 10' of the stair horizontally
must be 2 hour rated up to 10' in
height above the stairway with
no windows. The 1 hour/ 3/4 hr
opening requirement only
applies to walls that are 180
degrees to the exterior exit
stairway. 1027.6
CONDO LODGE
ELEVATOR 4
ROOF TERRACE
LOBBY
CONDO LODGE
VESTIBULE
STAIR 03
1949
102
2
7
REQ'D DOOR WIDTH:
TOTAL EGRESS LOAD:
REQ'D STAIR WIDTH:
STAIR 03
102
.20"/OCC = 20.4" < 36" ACTUAL
.30"/OCC =30.6" < 48" ACTUAL
SCALE:1" = 1 1 OCCUP
This stairway serves
an uppermost level at
8074'. Lowest level of
fire department vehicle
access is ground floor
at 7999'. This is
exactly 75' and thus
does not require the
stairway to be a smoke
proof enclosure per
2015 IBC 403.5.3.1
DNDN
DN DN DN UP
DN
DN DN
DN
UP
DNDN
DN
DN DN DN
DN
DN
DN
DN
DNDN
EASEMENT CENTERLINE
11'
-
6
5
/
8
"
10'
-
0
"
LEVEL 01 (7999')78' - 6"
LEVEL 02 (8009'-6")89' - 0"
LEVEL 03 (8020'-6")100' - 0"
LEVEL 04 (8031')110' - 6"
LEVEL 05 (8041'-6")121' - 0"
LEVEL 06 (8052')131' - 6"
1 HOUR PROTECTION WITH 3/4 HOUR OPENING PROTECTIVE
2 HOUR PROTECTION WITH NO WINDOWS PERMITTED
WINDOWS AND DOORS BEYOND 10'-0" MIN. REQUIRED SEPARATION; RE: PLANS
10' - 0"
10'
-
0
"
10' - 0"10' - 0"
WINDOWS AND DOORS BEYOND 10'-0" MIN. REQUIRED SEPARATION; RE: PLANS SCALE: 1/16" = 1'-0"3 EXTERIOR STAIRWAY PROTECTION - LEVEL 03
SCALE: 1/16" = 1'-0"4 EXTERIOR STAIRWAY PROTECTION - LEVEL 04
SCALE: 1/16" = 1'-0"5 EXTERIOR STAIRWAY PROTECTION - LEVEL 05
SCALE: 1/16" = 1'-0"1 EXTERIOR STAIRWAY PROTECTION - LEVEL 01
SCALE: 1/16" = 1'-0"2 EXTERIOR STAIRWAY PROTECTION - LEVEL 02
SCALE: 1/16" = 1'-0"6 EXTERIOR STAIRWAY PROTECTION - LEVEL 06
SCALE: 1/16" = 1'-0"7 EXTERIOR STAIRWAY PROTECTION - WEST ELEVATION
Dash in the stairway walkingsurface and accurately dimension10' above it. The shading appearsto be incorrect in some locations.Every wall within 10' of the stairhorizontally must be 2 hour rated
up to 10' in height above thestairway with no windows. The 1hour/ 3/4 hr opening requirementonly applies to walls that are 180degrees to the exterior exitstairway. 1027.6