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HIGH-RISE PREDESIGN CONFERENCE
City of Seattle Department of Construction and Inspections
Date: [ 12/09/2019 ]
PROJECT INFORMATION
APPLICANT INFORMATION
Project Name: NINTH AND HOWELL HOTEL AND
RESIDENCES
Contact Person: Evette Yu
Project Address: 824 HOWELL STREET, SEATTLE, WA,
98010
Contact Address: 600 108th ave NE. suite 108, Bellevue, WA, 98004
Construction Application/Permit: #005912-19PA
Contact Email: Evette.yu@mza-us.com
MUP Project: #3022135-LU
Contact Phone & Fax: 4255597584
Conference Attendees
Name Company Phone Email
Shauna Decker R C Hedreen shaunad@rchco.com
Craig Davenport MZA craig.davenport@mza-us.com
Patrick Farley MZA patrick.farley@mza-us.com
Jenny Graf MZA jenny.graf@mza-us.com
Evette Yu MZA Evette.yu@mza-us.com
Armin Wolski Reax Engineering wolski@reaxengineering.com
Scott Rushing Rushing Co. scottr@rushingco.com
Haley Krommenhoek Rushing Co. haleyk@rushingco.com
Nick Rich Rushing Co. nickr@rushingco.com
Mark Whiteley CKC markw@ckcps.com
PROVIDE BRIEF DESCRIPTION OF PROJECT SIZE AND OCCUPANCY: To Build 43-story high rise hotel & residential mixed-use tower including 2 levels below grade. below-
grade levels b1 and b2 will contain hotel back of house functions and a restaurant/lounge, ground level 1
and mezzanine level 2 will contain the hotel lobby, retail, and restaurant/lounge space. podium levels 3
thru 6 will contain ballrooms and meeting spaces, podium level 7 a restaurant/lounge with outdoor roof
deck, and podium level 8 will contain hotel guest amenities. tower levels 9-31 will have 405 hotel guest
rooms, and tower levels 32-33 will contain 10 residential units. level 34 contains amenities and private
rooftop access for the apartment residents.
The following section requires the applicant to demonstrate to the City that this project is in compliance
with the high-rise building section, 403, of the Seattle Building Code. Be aware that Seattle has a
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significant number of amendments to the International Building Code – full text of each section is NOT
reprinted here. You will be required to comply with all of the Seattle amendments*.
*Seattle amendments online at http://www.seattle.gov/sdci/codes.
Note: The use of a code alternate or interpretation requires an additional form unless the desired Code
Alternate is published in the Seattle Building or Fire Code. For more information and the necessary form
see TIP 318, Building Code Pre-submittal/Code Interpretation Conferences.” The Code alternate form is
part of TIP 318. It can be found at http://web6.seattle.gov/DPD/CAMS/CamList.aspx.
HIGH-RISE BUILDING CODE REQUIREMENTS - * DENOTES SEATTLE AMENDMENT IN SECTION
Section 403 Highrise Buildings
403.1.1* Predesign
Conference
Note: At least 60 days prior to application-arrange a predesign conference; provide
documentation /appropriate analyses and schematic drawings two weeks prior to
conference; approved predesign meeting minutes are required prior to permit
application and shall be inserted into plans as part of the permanent permit record
403.2.3* Structural
Integrity of
enclosures.
Key Items: Exit enclosures and elevator hoistway enclosures in occupancy category
III or IV buildings, all fire service access elevators, or all exit enclosures and elevator
hoistways in buildings more than 420 feet in height shall comply with Sections
403.2.3.1 through 403.2.3.4.
Proposal: The proposed building is not more than 420’
Conference discussion & decisions:
403.3* Automatic
sprinkler system
Key Items: Provide a sprinkler system in accordance with Section 903.3.1.1 and
Seattle Fire Code (SFC) Section 914.3.1. Provide a secondary water supply where
required by Section 903.3.5.2. Describe proposed sprinkler system and secondary
water supply. High-rise building sprinkler systems shall be combination
standpipe/sprinkler systems incorporating the following features:
1. Each floor sprinkler system shall be connected between standpipe risers.
2. Shut-off valves, water-flow devices and check valves (or pressure reducing valves)
shall be provided on each floor at the sprinkler system connection to each standpipe.
3. Two four-way fire department connections serving the combination system shall be
provided on separate streets well separated from each other.
4. At least one of the fire department connections shall be connected to the riser above
a riser isolation valve.
5. When a mid-level fire pump is required to meet pressure requirements, two pumps
with the same rating shall be installed.
6. Dry-pipe sprinkler systems serving parking garages may use a separate two-way
fire department connection. The dry-pipe sprinkler system shall be supplied by the on-
site water tank.
7. The standpipe risers in each required stair shall be a minimum pipe size of 6 inches.
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8. Two 2½-inch hose connections shall be provided on every floor level landing in
every required stairway. If pressure reducing valves (PRV) are required, each hose
connection shall be provided with its own PRV.
9. The system shall be designed to provide a minimum flow of 300 gpm at a minimum
pressure of 150 psi [maximum 205 psi at each standpipe connection] in addition to the
flow and pressure requirements contained in NFPA 14.
See attached “Seattle Requirements for High-Rise Secondary Water Supply”
Note: If schematic plans are available, please bring them to the conference.
Proposal:
A tank with 33,000 gallons of usable volume is included from level B2 to B1, with a
horizontal split case fire pump on Level B2 in the 2-hour rated fire pump room
adjacent to the tank. Fire pump room will be 2-hour rated. Each floor sprinkler
system shall be connected between standpipe risers.
1. Shut-off valves, water-flow devices and check valves (or pressure reducing
valves) shall be provided on each floor at the sprinkler system connection to
each standpipe.
2. Two four-way fire department connections serving the combination system
shall be well separated from each other. Locations can be well spread apart
(minimum 100’). Review location options in the meeting. Locate 10’ from doors,
generator tailpipe, loading dock entrances.
3. At least one of the fire department connections shall be connected to the riser
above a riser isolation valve.
4. A dry-pipe sprinkler system will serve the limited number of unheated spaces
and will be supplied by the on-site water tank.
5. A mid-level fire pump room will be provided at Level 7, with two equally sized
horizontal split case fire or vertical inline fire pumps sized to meet pressure
requirements at upper portion of the tower.
6. The standpipe risers in each required stair shall be a minimum pipe size of 6
inches.
7. Two 2½-inch hose connections shall be provided on every floor level landing in
every required stairway. If pressure reducing valves (PRV) are required, each
hose connection shall be provided with its own PRV.
8. The system shall be designed to provide a minimum flow of 300 gpm at a
minimum pressure of 150 psi [maximum 205 psi at each standpipe connection]
in addition to the flow and pressure requirements contained in NFPA 14.
Conference discussion & decisions:
403.4.2 Fire alarm systems
Key Items: Fire alarm systems shall comply with Section 907.2.13. Describe
proposed fire alarm system.
Proposal:
A Fire Detection and Alarm System will be provided in strict compliance with the
2015 Seattle Fire Code Section 907.2.13. The system will be an addressable and will
include:
1. Automatic smoke detection system in accordance with Section 907.2.13.1. Area
smoke detectors will be located in each mechanical, electrical, transformer,
telecommunications equipment and similar rooms not provided with fire
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sprinkler protection; and in each elevator machine room and in elevator lobbies.
Duct smoke detection will be installed in strict compliance with Section 907.3.1.
2. Provide (1) Manual fire alarm box located in the fire command center in
accordance with Section 907.2.8.1 exception 2, as the building is fully
sprinklered.
3. Automatic Sprinkler system in accordance with Section 903.3.1 Water flow,
pressure, hi-pressure, low pressure and supervisory switches as required for the
automatic sprinkler system will be connected to the Life Safety System.
4. Fire department communication system in accordance with Section 907.2.13.2.
City of Seattle requires DAS in all high-rise buildings.
5. Emergency voice/alarm communication system in accordance with Section
907.5.2.2, as described in para. Response 403.4.4, below.
6. Alarm notification appliances in accordance with Section 907.5.2.1 75dBA in all
R-2 areas. Audible alarm notification appliances will be provided and emit a
distinctive sound that is not to be used for any purpose other than that of the
fire alarm. The audible alarm notification appliances will provide a sound
pressure level of 5 decibels above the average ambient sound level or 5 decibels
above the maximum sound level having a duration of at least 60 seconds,
whichever is greater, in every occupiable space within the building.
7. Visible alarm notification appliances in accordance with Section 907.5.2.3.
Visible alarm notification appliances shall be provided in accordance with
Section 907.5.2.3.1 through 907.5.2.3.4, and Administrative Rule 9.09.07, Visible
Alarm Notification Devices, and any future revisions of this rule adopted.
8. Monitoring in accordance with Section 907.6.5. The Life Safety system will be
monitored by an approved supervising station in accordance with NFPA 72.
9. The fire pump room is not required to be accessed by a protected path from the
exterior all the way to the room (2-hour protection, per NFPA 20). Please verify
and review any access requirements
Conference discussion & decisions:
403.4.4 Emergency
voice/alarm
communication
systems
Key Items: An emergency voice/alarm communication system shall be provided in
accordance with SFC Section 907.5.2.2.
Proposal:
Emergency voice/alarm communication is incorporated as an integral part of the
Fire Alarm system described above, in accordance with Section 907.5.2.2, to comply
with 520Hz Low Frequency Requirements. Emergency voice/alarm communication
system will be designed and installed in accordance with NFPA 72. The operation of
any automatic fire detector, sprinkler water flow device or manual fire alarm box
will automatically sound and alert tone and activate visible alarms and followed by
voice instructions giving directions for general evacuation. The system will operate
on a minimum of the alarming floor, the floor above and two floors below.
Speakers and Visible devices will be provided throughout the building by paging
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zones. At a minimum, paging zones will be provided for each elevator group, exit
stairway and floor.
Conference discussion & decisions:
403.4.5 Emergency
responder radio
coverage
Key Items: Emergency responder radio coverage shall be provided in accordance
with SFC Section 510. For information on emergency responder radio coverage
systems, see SFD Client Assistance Memo (CAM) 5123.
Proposal:
A Distributed Antenna System (DAS) Fire department communication system will be
provided in accordance with Section 907.2.13.2, required in all high-rise buildings.
Conference discussion & decisions:
403.4.6 Fire command
(Center)
Key Items: Dedicated fire command center – provide details on the plans submitted
for the pre-submittal conference. Requirements include(but are not limited
to)approved location nearby and accessible to the fire service access elevators and
minimum room size 200 sq. ft. with least dimension of 10 ft. See SFC Section 508.
Proposal:
FCC will be located on the first floor across the corridor from the fire service access
elevator lobby and stair 3, which connects all levels.
The FCC will contain the 19 items as listed under 508.1.6. with the exception of item 6.
1. The emergency voice/alarm communication system control unit.
2. The fire department communications system.
3. Fire detection and alarm system annunciator.
4. Annunciator unit visually indicating the location of the elevators and whether
they are operational.
5. Status indicators and controls for air distribution systems.
6. The fire-fighter’s control panel required by Section 909.16 of the 2015 Seattle
Fire Code for smoke control systems installed in the building will not be
provided. Instead, HOA fan control switches and associated status indicators
will be included on the fire alarm control panel (FACP) in conjunction with a
graphical cross section depiction of the building displaying the exit enclosures
and elevators per 909.16 in lieu of a graphical depiction with HOA switches
integrated within the graphic.
7. Controls for unlocking stairway doors simultaneously.
8. Sprinkler valve and water-flow detector display panels.
9. Emergency and standby power status indicators.
10. A telephone for fire department use with controlled access to the public
telephone system.
11. Fire pump status indicators.
12. Schematic building plans indicating the typical floor plan and detailing the
building core, means of egress, fire protection systems, fire-fighting equipment
and fire department access, and the location of fire walls, fire barriers, fire
partitions, smoke barriers and smoke partitions.
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13. An approved Building Information Card that contains , but is not limited to, the
following information:
i. General building information that includes: property name, address, the
number of floors in the building (above and below grade), use and occupancy
classification (for mixed uses, identify the different types of occupancies on
each floor), estimated building population (i.e., day, night, weekend).
Conference discussion & decisions:
403.4.9 Emergency power
systems
Key Items: Provide an emergency power system complying with Chapter 27 and Section
403.4.8. Include size, location and type of generator, fuel tank fill location, and vent
terminations. See Director’s Rule 8-2005 on protected above ground fuel tanks. System
supervision with manual start and stop features shall be provided at the fire command
Center. Provide a 2 hr. separation unless meeting the requirements for the exception for
rooms within sprinklered parking garages per Section 909.11. Also see attached
“Seattle Requirements for Generator Fuel Tanks” Provide location on the plans
submitted for the pre-submittal conference.
Proposal:
The Emergency Electrical System shall be served from both the main switchboard and
Diesel Generator via an automated transfer switch (ATS). Under normal conditions,
the standby system will be connected to the main switchboard. Should normal power
be lost, the ATS will automatically switch to the generator.
1. Emergency power shall be provided by a 1250KW generator located on Level B1
with a separate diesel fuel tank conforming to Seattle requirements for generator
fuel tanks.
2. The tank shall contain less than 3000 gallons of fuel storage as required by SFC
Section 603.3.2.1 Exception for above grade fuel tanks. The fuel tank shall be rated
per UL 2085. Current fuel storage is planned for 8 hours of run time at full load,
1000 gallons.
3. 2 hr. separation will be provided. Review opportunity to exhaust through the
loading dock.?
4. Supply air intake is taken from the exterior alley.
5. Generator radiator exhaust air, generator combustion exhaust and fuel vents shall
be discharged to the exterior above the alley.
6. Combustion exhaust tailpipe shall be located 10' from property lines except the
alley side property line, 3' from exterior walls and roofs, 10' from operable
openings into buildings (except for the radiator discharge opening as the radiator
and tailpipe discharge always operate simultaneously), and minimum 10' above
adjoining grade (2015 SMC 501.3.1). Per the Seattle Municipal Code, the tailpipe
will not encroach in the 2-foot wide x 26-foot high clear zone associated with the
alley dedication.
7. The 2085 tank’s normal fuel vent will terminate per SFC Section 5704.2.7.3.3
including minimum 5’ from building openings and 5’ from lot lines other than the
alley side property line.
8. The emergency fuel vents for the UL 2085 tank will terminate inside the building
per 2015 SFC 5704.2.7.4 exception 2.
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9. The diesel fuel fill station is located within the loading dock per the exception
under 2015 Seattle Fire Code, Section 5704.2.7.5.6. within 10’ of the loading dock
entrance. Loading dock entrance doors will include 50% free area.
10. The architectural plans submitted for permit will indicate:
i. Size, type and location of emergency generator fuel tank.
ii. Location, routing and details of fuel fill station.
iii. Location and routing of fuel vents
Conference discussion & decisions:
403.4.9.1* Emergency power
loads
Key Items: Provide emergency power to exit signs & means of egress illumination;
elevator car lighting; emergency voice/alarm communication; fire alarm and detection
systems; emergency responder radio coverage system, power and lighting for
mechanical equipment rooms and fire command center; fire pumps; ventilation & fire
detection in smokeproof enclosures; smoke control system; all fire service access
elevators and one elevator per bank per Section 3016.6.
Proposal:
No exceptions taken. Emergency power shall be provided for the following loads per
section 403.4.8.4:
1. Exit signs & means of egress illumination;
2. Elevator car lighting;
3. Emergency voice/alarm communications systems;
4. Automatic fire detection systems;
5. Fire alarm systems;
6. Electrically powered fire pumps
7. Power and lighting for mechanical equipment rooms and fire command center
required by section 403.4.6;
8. Lighting for elevator cars, machine rooms, machine spaces and control rooms;
9. Ventilation and cooling equipment for elevator machine rooms, machine spaces
and control rooms;
10. Ventilation and automatic fire detection equipment for pressurized stairways and
elevator hoistways.
11. Smoke control system.
12. A selected elevator in each elevator group in accordance with Section 3016.16.
All elevators shall be transferable to an emergency power system.
13. For fire service access and occupant evacuation elevators:
1. Operation of all fire service access elevator cars;
2. Operation of all occupant evacuation elevators until they are recalled;
3. Elevator controller cooling equipment;
4. Elevator hoistway lighting for Fire service access elevators;
14. Emergency responder radio coverage.
Conference discussion & decisions:
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403.5.1* Remoteness of
interior exit
stairways
Key Item: Exit stairways shall be separated by not less than 30 feet or one-fourth the
diagonal dimension whichever is less measured as straight line between nearest points
of the exit enclosures. Primarily R occupancy buildings are allowed 15 feet.
Proposal:
Tower of the building is primarily R occupancy, (R1-hotel & R2- apartments) exit
stairways enclosure are separated by more than 15' and comply with section 403.5.1
Stair 3 and 4 have a required 15’ separation on Level 34 where 2 exits are required. At
the Level 35 ROOF, 2 exits are not required and therefore it is our interpretation that
a 15 foot separation is not required. Please confirm that this section through stairs 3 &
4 is acceptable. See Exhibit E
Conference discussion & decisions:
403.5.2 Additional exit
stairway
Key Items: For buildings other than Group R-2 that are more than 420 feet(128 m) in
building height, one additional exit stairway meeting the requirements of Sections
1009 and 1022 shall be provided in addition to the minimum number of exits required
by Section 1021.
Proposal:
Proposed building is under 420’. 3rd stair is not needed.
1. Please confirm that our calculation of ‘grade plane’ as defined in SBC CH2 is correct.
See exhibit D.
2. The highest occupied floor (Level 34 Amenity space) is a residential assembly space
with more than 50 occupants serving R-2. It is under the 420 feet height limit. Please
confirm that, because the level serves Group R-2, it can be considered R-2 for the
purposes of 403.5.2 and could exceed the 420 feet rule without a third stair being
required.
Conference discussion & decisions:
403.5.3* Stairway door
operation
Key Items: Stairway doors must be capable of unlocking upon signal from fire
command center and must unlock upon activation of fire alarm anywhere in building.
Where stairway doors are not locked from the stairway side, wiring and/or conduit
shall be installed to facilitate potential future installation of locking hardware.
Proposal:
No exception taken. Conduit rough in (no wiring) for future stairwell unlocking will be
provided for doors that are currently not locked. Stairway doors shall operate and
conform to section 403.5.3.
Conference discussion & decisions:
403.5.3.1* Stairway
communications
system
Key Items: In required stairways a telephone or other two-way communication
system connected to an approved constantly attended station shall be provided at not
less than every fifth floor in each exit stairway.
Proposal:
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No exceptions taken. System will be provided as required. See response to 403.4.2
Conference discussion & decisions:
403.5.3.2* Stairway
penthouses
Key Items: All required interior exit stairways shall terminate at a roof in a
penthouse with a door complying with Sections 1008.1.1 and 1008.1.2. The building
official is permitted to approve an alternate design at the pre-design conference. The
intent is for all required stairways to have at least one door or approved penthouse
alternate roof hatch that opens directly to the exterior on a roof level, and that all
other roof levels may be accessed via stairs, ships ladders or alternating tread devices.
See attached “Seattle High-rise Requirements for a Roof Hatch When Approved as a
Penthouse Alternate”
Proposal:
Stair #3 terminates at elevator machine room level-36 in a penthouse with a door
complying with sections 1008,1,1 and 1008.1.2. Stair #3 also provide access to L35
roofs over residential amenity and mechanical rooms.
Stair #4 terminates on L34 with a roof hatch that opens directly to the L35 roof.
Conference discussion & decisions:
403.5.4* Smoke control in
stair enclosures &
elevator hoistways
Key Items: Provide a smoke control system complying with Section 403.5.4. Every
required exit stairway serving floors more than 75 feet above the lowest level of fire
department vehicle access shall comply with Sections 909.20.5 and 1022.10. Elevator
hoistways shall comply with Sections 909.21 and 713.14. Describe proposed smoke
control system, include schematic location of fans and supply air intake and
associated ductwork, design criteria used, injection points, use of other ventilation
systems, equipment and related wiring protection, etc.
For high-rise buildings that have a simple shaft configuration and utilize shaft
pressurization for smoke control (i.e., no building-wide smoke control system), shaft
pressurization fan status and controls using switches in accordance with Section
909.16.2 (or equivalent) may be installed on the main fire alarm control panel (FACP)
in lieu of installing a dedicated fire-fighter’s smoke control panel. The building
graphics normally provided on the smoke control panel shall be laminated and
mounted in the vicinity of the FACP for quick reference by emergency responders. See
SDCI Director’s Rule DR 7-2012, Testing of stairway and hoistway pressurization
systems in high rise buildings at
http://web6.seattle.gov/dpd/DirRulesViewer/Rule.aspx?id=7-2012
Proposal:
Project will comply. The smoke control systems will include elevator and stairwell
pressurization systems. The fans will be fitted with motorized dampers and provided
with emergency power. The elevator hoistways will be pressurized from the roof. The
stairwell pressurization system will deliver air every third floor and a stairwell relief
vent fitted with motorized dampers will be located at the top of each stairwell.
1. Exit Stairways - Stair 2, 3, 4, and 5 and elevator hoistways serving elevators 1
and 2, elevators 3 and 4, elevators 5, 6, and 7, elevators 8 and 9, and elevator
10 will be pressurized.
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2. Stair 1 is an unenclosed stair for 4 floors (Levels 1-4) and is separated from
Level 6 and 7 per shaft requirements. It is not a required exit stair and it is
not proposed to be used as a required means of egress. Please confirm that
it need not be a pressurized stair/smoke proof enclosure.
3. Stair 6 is not pressurized as it does not serve a floor more than 75 feet above
the lowest level of Fire Department vehicle access (Level 1) per SBC 403.5.4.
4. Stair 2, 3, 4, and 5 enclosures will be provided with pressurization systems in
compliance with sections 909.20.5 and 1023.11. Interior exit stairways will be
pressurized to a minimum of 0.10” and maximum of 0.35”.
5. Hoistways for elevators 1 and 2, elevators 3 and 4, elevators 5, 6, and 7,
elevators 8 and 9, and elevator 10 will be provided with pressurization
systems in compliance with sections 909.21 and 713.14. Elevator hoistways
will be pressurized to a minimum of 0.10” and maximum of 0.25”.
6. The pressurized hoistways are measured relative to adjacent area or
dwellings / guest rooms except that the pressure differential will be
measured relative to atmosphere on floors other than the fire floor, two
floors below, and the floor above the fire floor as allowed in 909.20.5 and
909.21.
7. 909.20.5.1 Supply air. Air for stairway pressurization shall be supplied at
intervals sufficient to maintain the required pressure throughout the interior
exit stairway. Project intent is to supply air at approximately every third and
no more than 10 floors from the bottom of each stairway.
8. Corridor exhaust fans will be utilized in compliance with 909.21.1.2 and the
exception under 909.20.5.5.
9. Shaft pressurization fan status and controls using switches in accordance with
Section 909.16.2 (or equivalent) will be installed on the main fire alarm
control panel (FACP) in lieu of installing a dedicated fire-fighter’s smoke
control panel. The building graphics normally provided on the smoke control
panel shall be laminated and mounted in the vicinity of the FACP for quick
reference by emergency responders.
Conference discussion & decisions:
403.5.5 Luminous egress
path markings
Key Items: Luminous egress path markings shall be provided in accordance with
Section 1024.
Proposal:
Luminous egress path markings will be provided in accordance with
Section 1024.
Conference discussion & decisions:
403.6* Elevators
Key Items: Elevator installation and operation in high rise buildings shall comply
with Chapter 30 and Section 403.6. Buildings with stories over 160 feet above the
lowest point of fire department vehicle access shall be provided with no less than two
elevators served by separate machine rooms
Proposal:
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Project will comply. Two fire service elevators will share one elevator machine room
and the hotel elevators will be in a separate machine room.
Conference discussion & decisions:
403.6.1* Fire service access
elevator
Key Items: In buildings with occupied floor more than 120 ft. above the lowest level of
fire department vehicle access, a minimum of two fire service access elevators shall be
provided in accordance with Section 403. Indicate location of fire service access
elevators, and how the water prevention requirements of Section 403.6.1.3 will be
complied with. Sump capacity shall be 3000 gph per state code requirements. Note:
Separate shafts, pressurizations systems, and machine rooms are not required for the
two fire service access elevators.
Proposal:
Project will comply. Two fire service access elevators (elevator #8 & #9) have been
provided in accordance with section 403. FSA elevator lobby has a floor slopes away
from the hoistway at a max of 2%. Each hoistway with one or more FSA elevators will
be provided with a total pump capacity of 3,000 gallons per hour (50 gpm) per SBC
3023.1.
Conference discussion & decisions:
403.7* Emergency
operational plan
Key Items: In accordance with SFC Section 404, the building is required to have a Fire Safety
and Emergency Plan. SFC Section 9309 requires that a Fire Safety Director appointed by the
building owner is responsible to oversee the preparedness and initial response of a building’s
fire and life safety systems and building occupants to a fire alarm, in addition to conducting
annual emergency evacuation drills. For more information, see SFD CAMs 5963 and 5982.
Proposal:
Noted. The emergency operation plan will be maintained onsite while building is in
operation.
Conference discussion & decisions:
Chapter 7
712* Vertical openings
Key Items: The code limits the number of stories that can be in common atmosphere with one
another without the required fire barrier separation between them. The plans submitted for the
predesign meeting should show all architectural floor openings including those relating to
escalators. If architectural floor openings reach the threshold meeting the definition of an
atrium, the atrium code requirement shall be addressed. Note any garage elevators or duct
system using the provisions of Section 712.
Proposal:
1. Four levels (L1-L4) are open to each other via a shaft that contains Stair#1.
The shaft continues for two more levels (L5-L6)
a. Please confirm that four levels may be interconnected (not fire
separated by each other) by floor openings (forming a shaft) for an
exit access stairway that complies SBC 1019 that is not used as a
required means of egress.
b. For stories other than four described in (a), each story will be
separated from the shaft by 2-hour wall and 90 minute self or auto
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closing fire rated opening protection.
Please confirm the strategy complies with Sections 712 and 713 of the SBC
Conference discussion & decisions:
CHAPTER 10, MEANS OF EGRESS
Chapter 10* General Key Items: Provide an exiting plan and describe any issues requiring interpretation or
a code alternate or code modification. Indicate occupancy loads and load factors for
all assembly type spaces. Clearly note all locations where exit access stairways are
being proposed. Code Alternate/
Modification
(form attached)
Proposal:
1. On Level 3 the Pre-function space shows a Common Path of travel distance as
60’. Please confirm this path and travel distance is code compliant per the
definition of Common Path of Travel, Chapter 2. At the end point of the 60’
travel distance the occupant has 2 choices of an exit. See Exhibit A
2. At Level 34, (2) exits are required from both the interior amenity space and
the exterior amenity space. One of the 2 exits from the interior amenity
space requires travel through the outdoor amenity space to a door that
leads back inside the building. Please confirm this exiting plan is acceptable
and the corridor that connects the outdoor amenity space to stair 3 does
not need to be part of the 2HR stair enclosure. See G215 Level 34 3. Exit separation measurement 1007.1.1.1 Exception 1. On Level 31, please
confirm our understanding that when measuring separation of exits, the
measurement can be taken from any point along a door. See Sheet G
4. Is exiting from one meeting room through another compliant with SBC
1016.2. See Exhibit C
a. Please confirm that a meeting room can egress through an adjacent
meeting room as an accessory space.
b. Please confirm that exiting through an operable partition is acceptable
5. SBC 1005.6. It is unclear in the code if the discharge level landing where
convergence occurs is calculated as a horizontal element of egress using
0.15”/person or 0.2”/person.
a. Please confirm that the stair landing at level 1 discharge should
be sized (in length) at 0.15” per person.
6. At Level 1, stair discharges of Stair 6 and Stair 3 need to be ‘readily visible
and identifiable from point of termination to enclosure’.
a. Please confirm that the stair discharges on Level 1 comply with
“readily visible and identifiable from point of termination to
enclosure” for application of SBC 1023.
7. Assembly uses, as defined by Table 1004.2.1, are to be calculated as “net”
rather than gross.
a. It is our understanding based on net versus gross definitions that
circulation areas are not loaded when stories are primarily
assembly use.
b. Pre-function areas are considered non-simultaneous use to the
main assembly area they serve. In our exiting calculations we have
determined the max occupancy of ‘both’ spaces in a simultaneous
use situation, and have selected the higher occupancy space as
HIGH-RISE PREDESIGN CONFERENCE
Page 13
* Seattle amendment to IBC
Project Name: [ ] Permit number: [ ]
that which contributes to exiting requirements. Please confirm this
is See Sheet G212, Level 3 for an example of this condition and
calculation.
Conference discussion & decisions:
CHAPTER 30, ELEVATORS
3016.6*
Elevator operation
on emergency
power - recall
Key Items: Elevators shall comply with Sections 3016 through 3019 for hoistway
smoke control, elevator operation on emergency power, general emergency operation
requirements, and phase I and phase II recall requirements.
Proposal:
No exception taken to this requirement. Elevators will be the requirements of section
3016-3019.
1. Elevators will comply with Sections 3016 through 3019.
2. Pressurization is provided for hoistways for elevators 1 and 2, elevators 3 and
4, elevators 5, 6, and 7, elevators 8 and 9, and elevator 10 and systems will
comply with 3016.5.
3. Elevators will comply with elevator operation on emergency power, general
emergency operation requirements, and will allow for Phase 1 & Phase 2
recall requirements.
4. The panel serving the lights for the car and machine room will be fed from
the generator.
5. The fire service elevators will be equipped with emergency power that will
automatically transfer upon loss of power. All elevators will be connected to
the emergency power system.
6. The fire command center will be equipped with the elevator status panel. In
an event, the elevators will recall (1) at a time but (2) FSEs, and one elevator
per bank may be operated simultaneously. The generator will be sized for
simultaneous operation of the (2) FSE’s, plus one elevator per bank, for a
total simultaneous operation of five (5) elevators..
Conference discussion & decisions:
3020.1* & 3020.4* Construction of
Hoistways, and
machine and
control rooms
Key Items: Construction of hoistways and hoistway enclosures shall comply with
ASME A17.1 Section 2.1 as amended.
Proposal:
Project will comply.
Conference discussion & decisions:
OTHER
Other Describe any significant interpretation requests or special conditions you wish to
address including any issues requiring a code alternate or code modification. Code Alternate/
Modification Proposal:
HIGH-RISE PREDESIGN CONFERENCE
Page 14
* Seattle amendment to IBC
Project Name: [ ] Permit number: [ ]
(form attached)
1. Please confirm what is required in terms of submittals, to grandfather this project
into the 2015 codes, including the 2015 Energy code? Per SBC CH1 Section 101.3
Exception: if a building permit application is phased, the building permit
application is considered complete… on the date the phased portion submittal that
includes the structural frame for the entire building is submitted.
Conference discussion & decisions:
Seattle Requirements for High-Rise Secondary Water Supply
Water Tank: An automatic secondary on-site water supply storage tank shall be provided for
high-rise buildings in accordance with SFC Sec. 903.3.5.2, and meet the requirements of
NFPA 22 and the following:
OPTION 1 Single Fire Pump with Storage Tank Having Automatic Refill Features
Tank Refill Lines:
Dual automatic refill lines, each capable of refilling the tank at a minimum rate of 150 percent
of the fire pump(s) capacity, shall be installed. Ref: NFPA 20 - 4.31.3.1.1
HIGH-RISE PREDESIGN CONFERENCE
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* Seattle amendment to IBC
Project Name: [ ] Permit number: [ ]
A manual tank fill bypass designed for and capable of refilling the tank at a minimum rate of
150 percent of the fire pump(s) capacity shall be provided. Ref: NFPA 20 - 4.31.3.1.3
Tank Fill Valves and Control Systems: The two automatic refill lines shall have separate
automatic tank fill valves that are listed for fire service and arranged for automatic operation.
Each automatic tank fill valve shall be provided with a separate approved means of actuation
such as float assemblies, pressure sensors, etc. that are supervised by the fire alarm
system. The status of the valves (i.e., ‘open’, ‘closed’) shall be indicated at the valves and in
the Fire Command Center (FCC).
The tank shall be kept filled, and the water level shall never be more than 4 inches below the
designated fire service level. Ref: NFPA 22 - 14.4.3
Tank Level Indicators: Two tank level indicators are required, one located in the FCC and
another in the immediate vicinity of the tank fill valves. The tank level indicator monitoring
shall be provided through the fire alarm system in accordance with NFPA 72.
Two separate and distinct signals shall be initiated: one indicating that the required water
level has been lowered or raised (off-normal), and the other indicating restoration. Ref: NFPA
72 - 17.16.3.1
The off-normal signal shall be initiated when the water level falls three inches or rises three
inches. Ref: NFPA 72 - 17.16.3.2.1
Tank Low Level Alarm: Separate and distinct tank low level audible and visible alarms shall
be provided in the FCC and in the vicinity of the tank fill valves, and activate when the tank
water level drops below 50% capacity. The tank low level monitoring shall be provided
through the fire alarm system in accordance with NFPA 72. The signaling devices shall be
clearly labeled “Water Tank Low Level Alarm” or equivalent. An independent silence switch
shall be provided for the tank low level alarms in the immediate vicinity of the alarm devices.
Tank Overflow Protection: An approved means to prevent the tank from overflowing into the
building shall be provided. Where an automatic shutoff valve is provided, it shall be listed for
fire service and have dual (redundant) means of actuation such as two float assemblies,
pressure sensors, etc. that are supervised by the fire alarm system. The valve shall be
supervised by the fire alarm system and status (i.e., ‘open’, ‘closed’) indicated at the valve
and in the FCC.
Pump By-pass: A full size by-pass shall be installed around the storage tank and the fire
pump in accordance with NFPA 20. The by-pass shall be installed on the supply side of the
HIGH-RISE PREDESIGN CONFERENCE
Page 16
* Seattle amendment to IBC
Project Name: [ ] Permit number: [ ]
tank fill valves and connected to the system on the downstream side of the fire pump and any
sprinkler system pressure regulating valves installed on feed mains.
OPTION 2: Two Fire Pumps and Storage Tank Without Automatic Refill Features
The primary fire pump shall be supplied by a dedicated fire service main and the secondary fire pump supplied from the storage tank. The pumps shall operate at the same rated flow capacity and at similar discharge pressures. When using Option 2, automatic refill of the tank is not required. The means to fill the tank shall be sized to fill the tank in a maximum time of 8 hours. Ref: NFPA 22 – 14.4.2 The tank shall be kept filled, and the water level shall never be more than 4 inches below the
designated fire service level. Ref: NFPA 22 - 14.4.3
Tank Level Indicator: A tank level indicator is required in the immediate vicinity of the tank
fill valve.
Pump By-pass: A full size by-pass shall be installed around the primary fire pump in
accordance with NFPA 20. The by-pass shall be connected to the system on the
downstream side of any sprinkler system pressure regulating valves installed on feed mains.
Seattle Requirements for High-Rise Generator Fuel Tanks
Ensure that the as a minimum the following information is provided on the on the architectural plan submittals:
1. Provide detail on plans indicating type of tank (i.e., UL-142, UL-2085, or other type of tank), type of fuel, and how much will be stored on-site.
2. Provide detail on plan (plan and elevation views) showing the location of the diesel fill
connection, located on the exterior of the building, at least 5 feet from building openings and property lines in accordance with SFC Section 5704.2.7.5.2.
HIGH-RISE PREDESIGN CONFERENCE
Page 17
* Seattle amendment to IBC
Project Name: [ ] Permit number: [ ]
3. Provide details on plans indicating location (plan and elevation views) and routing of normal vent for diesel tank (manifolding of normal vents is not allowed) in accordance with SFC Section 5704.2.7.3.3.
4. Provide details on plans indicating location and routing of emergency vents diesel
tanks (manifolding of emergency vents is not allowed) in accordance with SFC Section 5704.2.7.4.
Seattle Requirements for Protection of Wiring Required by Section 909.11
1. Power and control wiring that serves the pressurization and other smoke control equipment, regardless of voltage, shall have fire-resistance-rated protection (rated cable, installation in shafts, embedment, etc.) of at least two hours. Exception: Fire-resistance rating is not required for wiring serving a generator in an unprotected area in a garage that is separated from the rest of the building by 2 hour-rated construction.
2. Where wiring protection is provided by installing in a rated shaft, protection of wiring is
required between the fire command center and the shaft.
HIGH-RISE PREDESIGN CONFERENCE
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* Seattle amendment to IBC
Project Name: [ ] Permit number: [ ]
3. Protection of wiring is not required for rooftop or penthouse wiring where installed outside the building envelope or in a penthouse that is not required to be protected.
4. Protection is not required for HVAC fans used to exhaust intermittent floors.
5. Protection is not required for the dampers on the HVAC equipment unless dedicated
for shaft pressurization.
6. Wiring required to have 2-hour protection can be in a shaft with other wiring. The "independent route" requirement in Section 909.11 means separate raceway from normal power.
Seattle High-Rise Requirements for a Roof Hatch When Approved as a Penthouse Alternate
1. Roof hatch dimensions shall be a minimum of 3’-0” wide x 12’-0” long.
2. Roof hatch shall be installed with a snow sensors/heating cables system.
3. Roof hatch shall be motorized with a remote pushbutton station located at the base of the top stair landing leading to the hatch.
4. Roof hatch electrical system shall be on building emergency power.
HIGH-RISE PREDESIGN CONFERENCE
Page 19
* Seattle amendment to IBC
Project Name: [ ] Permit number: [ ]
5. Provide switch in the Fire Command Center that unlocks the electro-magnetic locks
on the hatch doors.
6. Interlock electromagnetic locks on hatch doors with fire alarm system to unlock automatically on any fire alarm signal.
7. Ensure code compliant stairs and height for stairs is met where the stair leads to
the hatch.
8. Roof hatch shall be operable from the roof.
1198 SF
MEETING 301
563 SF
MEETING 313
2663 SF
BALLROOM 1B
3205 SF
PRE-FUNCTION -BALLROOMS
1904 SF
BANQUET KITCHEN446 SF
STOR.
2353 SF
BALLROOM 1A
STAIR
DOOR
ST-3
48"
32"
STAIR
DOOR
ST-2
48"
32"
STAIR
DOOR
ST-4
48"
32"
STAIR
DOOR
ST-5
44"
32"
590 SF
MEETING 312
622 SF
MEETING 311
689 SF
MEETING 302
STAIR
DOOR
ST-6
48"
36"
EXIT CORRIDOR
60'
20'-4
1/2
"
STAIR 1 - NOT AN EXIT STAIR
232
116
116 41 40+38235
41
4640
38
40
42
4 40+42 86
44
113
113
113
188
18982'48'
107'
106'-3"
SCALE:2
LEVEL 3 HOTEL BALLROOM EXITING
EXITING Level 3
NAMEOCCUPANCY
CH 3 FUNCTION AreaOccupant
Load.Total
OccupantsSINGLE EXIT
MAX OCC LOAD # Exits
MEETING 301 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 1198 SF 15 81 49 2
MEETING 313 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 563 SF 15 38 49 1
BALLROOM 1B A ASSEMBLY - CONCENTRATED CHAIRS 2663 SF 7 381 49 2
BANQUET KITCHEN B KITCHENS - COMMERCIAL 1904 SF 200 10 49 1
STOR. S-2 ACCESSORY STORAGE / MECHANICAL EQUIP. 446 SF 300 2 29 1
BALLROOM 1A A ASSEMBLY - CONCENTRATED CHAIRS 2353 SF 7 337 49 2
MEETING 312 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 590 SF 15 40 49 1
MEETING 311 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 622 SF 15 42 49 1
MEETING 302 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 689 SF 15 47 49 1
978
Level 3 - Required Door / Stair Width
TotalOccupants
ST-2OCC
ST-3OCC
ST-4OCC
ST-5OCC
ST-6OCC ST-2 (in) ST-3 (in) ST-4 (in) ST-5 (in) ST-6 (in) ST-2 DOOR (in) ST-3 DOOR (in) ST-4 DOOR (in) ST-5 DOOR (in) ST-6 DOOR (in)
Level 3
976 195 195 195 195 195 39.03 39.03 39.03 39.07 39.07 29.27 29.27 29.27 29.3 29.3
STAIR WIDTHS ARE OK, BUT CHECK ON THE CLEAR WIDTH PROVIDED BY A 36" NOM. DOOR
JG Revit Egress Travel
Level Mark Length Line Style
Level 4 55'-11 9/32" Exit Access
Level 4 53'-5 3/4" Exit Access
Level 7 38'-7 3/8" Common Path
Level 7 23'-4 5/32" Common Path
Level 7 27'-7" Common Path
Level 7 35'-4 13/16" Common Path
Level 7 77'-2 15/16" Exit Access
Level 7 100'-11 15/32" Exit Access
Level 34 44'-3 15/16" Common Path
Exit Access Travel Distance L1
Comments Mark Path of EgressType
Comments
3 1 81'-9 3/32" Exit Access
3 2 104'-11 1/32" Exit Access
Common Path L1Level Mark Distance
1 A 55'-2 1/8"
232 OCCUPANTS AT STAIR 6232 X .15 = 35" CLR WIDTH AT DOOR = 40" DOOR NOMINAL232 X .20 = 47" STAIR WIDTH
Common Path L3
Level MarkCommon Path of Egress
Travel
3 A 48'
3 B 60'
Exit Access Travel Dist. L3Level Mark Distance
3 1 81'-9 3/32"
3 2 104'-11 1/32"
EXITING Level 3 PRE-FUNCTION - BALLROOMS
NAMEOCCUPANCY
CH 3 FUNCTION AreaOccupant
Load.Total
OccupantsSINGLE EXIT
MAX OCC LOAD # Exits
PRE-FUNCTION -BALLROOMS
A ASSEMBLY - CONCENTRATED CHAIRS 3205 SF 7 458 49 2
458
EXITING Level 3 BALLROOMS
NAMEOCCUPANCY
CH 3 FUNCTION AreaOccupant
Load.Total
OccupantsSINGLE EXIT
MAX OCC LOAD # Exits
BALLROOM 1B A ASSEMBLY - CONCENTRATED CHAIRS 2663 SF 7 381 49 2
BALLROOM 1A A ASSEMBLY - CONCENTRATED CHAIRS 2353 SF 7 337 49 2
718
LEVEL 3 - THE BALLROOMS AND THE PRE-FUNCTION BALLROOMS ARE NOT IN CONCURRENT USE, OCCUPANTS USE ONEOR THE OTHER. THE BALLROOMS THEMSELVES HAVE A GREATER OCCUPANCY THAN THE PREFUNCTION SPACE, THEREFORE ONLY THE BALLROOMS' OCCUPANT COUNT WILL CONTRIBUTE TOWAND THE TOTAL OCCUPANT COUNT FOR THIS FLOOR.
EXIT ACCESS TRAVEL DISTANCE
COMMON PATH OF EGRESS TRAVEL
LIFE SAFETY LEGEND
1 HR RATED WALL
2 HR RATED WALL
3 HR RATED WALL
STAIR WIDTH PROVIDED
DOOR WIDTH PROVIDED (CLEAR WIDTH SHOWN)
PER 1005.3.1: REQUIRED STAIR WIDTH = OCC LOAD X .20
(SPRINKLERED BLDG.) (PER 1011.2: STAIR WIDTH SHALL NOT BE LESS THAN 44")
PER 1005.3.2: REQUIRED CLEAR WIDTH AT DOORS = OCC LOAD X .15
(SPRINKLERED BLDG.) (PER 1010.1.1: MINIMUM CLEAR WIDTH OF 32" REQD.)
ROOM EXIT / EXIT
ACCESS DOORWAY
BUILDING EXIT / EXIT DISCHARGE
STAIR
DOOR
STAIR #
X"
X"
EGRESS PLANS - GENERAL NOTES:
PER 1020.2 DEAD END CORRIDORS LIMITED TO 25' EXCEPT B, E, F, M, AND SOME R ALLOW 50'
EXIT
EXIT ACCESS TRAVEL DISTANCE
COMMON PATH OF EGRESS TRAVEL
SPRINKLERED
250'
300'
250'
75'
100'
75'
75'
OCCUPANCY CH 3
ASSEMBLY
MERCANTILE
BUSINESS
RESIDENTIAL R1
RESIDENTIAL R2
STORAGE - S1
PARKINGLOADING DOCKMECHANICAL - S2
125'
100'
100'
250'
250'
250'
400'
TRAVEL DISTANCE SBC 20152015 SBC 1004.1.2 OCCUPANT LOAD FACTOR
FUNCTION Occupant Load. NET/GROSSOCCUPANCY
CH3
ACCESSORY STORAGE / MECHANICAL EQUIP. 300 GROSS S-2
ASSEMBLY - CONCENTRATED CHAIRS 7 NET A
ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 15 NET A
BUSINESS AREAS - WITH SPRINKLERS 130 GROSS B
EXCERCISE ROOM 50 GROSS A
KITCHENS - COMMERCIAL 200 GROSS B
LOCKER ROOM 50 GROSS B
MERCANTILE 60 GROSS M
RESIDENTIAL (R1) 200 GROSS R-1
RESIDENTIAL (R2) 200 GROSS R-2
SKATING RINKS & SWIMMING POOLS - DECKS 15 GROSS A
SKATING RINKS & SWIMMING POOLS - RINK & POOL 50 GROSS A
EXHIBIT A
19.11.25EXIHIBIT - A
1203 SF
MEETING 401
658 SF
MEETING 409
627 SF
MECH
1470 SF
WARMING KITCHEN
STAIR
DOOR
ST-3
48"
33"
STAIR
DOOR
ST-2
48"
33"
STAIR
DOOR
ST-4
48"
33"
OPEN TO BELOW
OPEN TO BELOW
751 SF
MEETING 411
625 SF
MEETING 410
724 SF
MEETING 402
STAIR 5 NOT ACCESSIBLE AT LEVEL 4
STAIR 6 NOT ACCESSIBLE AT LEVEL 4STAIR 1 NOT AN EXIT STAIR
44 OCC
68'
108'
82'
45'
1627 SF
PRE-FUNCTION
46 OCC81 OCC
51 OCC
30
" x 4
2"
Arc
h E
1 -
SH
EE
T S
SCALE:3
LEVEL 4 HOTEL MEETING ROOMS EXITING
EXITING Level 4
NAMEOCCUPANCY
CH 3 FUNCTION Area Occupant Load. Total OccupantsSINGLE EXIT
MAX OCC LOAD # Exits
Level 4
MEETING 401 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 1203 SF 15 81 49 2
MEETING 409 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 658 SF 15 44 49 1
MECH S-1 ACCESSORY STORAGE / MECHANICAL EQUIP. 627 SF 300 3 29 1
WARMING KITCHEN B KITCHENS - COMMERCIAL 1470 SF 200 8 49 1
MEETING 411 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 751 SF 15 51 49 2
MEETING 410 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 625 SF 15 42 49 1
MEETING 402 A ASSEMBLY - UNCONCENTRATED TABLES & CHAIRS 724 SF 15 49 49 1
PRE-FUNCTION A ASSEMBLY - CONCENTRATED CHAIRS 1627 SF 7 233 49 2
510Level 4 - Required Door / Stair Width
Total Occupants ST-2 OCC ST-3 OCC ST-4 OCC ST-2 (in) ST-3 (in) ST-4 (in) ST-2 DOOR (in) ST-3 DOOR (in) ST-4 DOOR (in)
Level 4
510 169 170 170 33.86 34.07 34.07 25.4 25.55 25.55
Common Path L4
Level MarkCommon Path of Egress
Travel
4 A 68'
4 B 45'
Exit Access Travel Dist. L4Level Mark Distance
4 1 107'-7 25/32"
4 2 81'-9 3/32"
EXHIBIT C
ONE OF THEREQUIRED EXITSFROM 401 ISTHROUGH 411
19.11.25EXIHIBIT - C
19.11.25EXIHIBIT - D
UP
DN
DN
DN
DN
DN
DN
UP
TC/SLHH
8"SD
SDMH-10'∅RIM 130.8260"ADS(SW) IE 121.8
CB-TYPE1RIM 131.308"IP W/PVC ELBOW(N) IE 128.6
CB-TYPE1RIM 126.968"IP(N)
6"SD(R)
6"SD(R)
SSS(R)
R)
4"PE G(R)
ECd(P) ECd(P)
SLHH
EHH(R)
EMH
ET
EMH
EMH
EV
ECd(P)
ECd(P)
ECd( P)
ECd(P)
33'
S47°42'32"E 206.01'
S42°1 9'23"W
1 35.86'
L=31.92'
R=21.00'
∆=87°05'34"
N42°1 7'50"E 105.41'
LOT 9
LOT 10
LOT 10
LOT 11
LOT 11
LOT 12OWNER: LOT B LLC
PARCEL NUMBER: 066000-0740ADDRESS:815 HOWELL ST
133.68
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)
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(133
)
(132)
(131
)
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(135)
(130)
(130)
PPS
"15-MIN CHARTERBUS ONLY"
"15-MIN CHARTERBUS ONLY"
135.42
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129.5
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131.01
METAL HANDRAIL
ON 12"C
RW
6"CRW
12"CRW
12"C
RW W/METAL RAIL
6"CRW 6"CRW
6"C
RW
6"C
RW
12"CRW W/METAL RAIL
12"CRW W/METAL RAIL
LSCAPE
LSCAPE
LSCAPE
LSCAPE LSCAPE
LSCAPE
LSCAPE
LSCAPELSCAPE
LSCAPE
LSCAPE
137.
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137.12
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136.9
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6"CC
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7'CW
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CONC
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131.
87
132.
64
132.
99
133.
06
132.
35
133.
81
133.
77
134.
29
134.
60
134.
65
131.91
137.18
137.20
137.
28
131.4
6
131.
35131.2
2131.5
9
131.
51
131.
28
131.
13
130.
94
130.
89
130.43
130.8
1
130.81
130.80
130.
54
130.97
131.02
131.
20
131.34
131.5
7
131.6
4
131.
40
131.4
3
131.
81
132.11
132.3
6
132.52
132.7
1
132.
79
132.86
132.
86
132.5
0
132.
46
13
2.4
0
132.4
1
132.3
4132.4
2
13
1.5
0
130.
78
130.
73
131.
69
131.
49
131.
28
131.
02
130.98
130.96
131.
06
131.10
130.
91
130.
93
131.
01
131.
05
131.31
131.3
813
1.51
131.62
PROPOSED BUILDING LINE
ASPHASPH
ASPH
136.24
136.32
136.
21
136.
10
135.
95
135.81
135.
69
135.61 135.
72
135.
85
135.
94
136.06
136.
20
136.
32
136.41
136.
49
136.34
136.18
136.
06
135.93
135.
78
134.52
134.92
135.
57
135.
63
135.73
133.
28
133.
37
133.
47
133.
63
133.
81
134.
00
136.
42136.25
136.42
136.
82136.80
136.
05
135.2
5
134.
40
133.
76
132.
83
13
1. 9
5
131.
27131.04
131.
34
131.
53 131.7
3
131.
61
132.
31
136.6
1
136.
15
136.
10
136.
04
135.
97
134.
55
134.47
133.
92
133.
87
133.
83
133.
79
133.
17
133.
11
133.
02
132.
93
132.
96
133.
03
13
3.0
8
132.92132.79132.65
13
2.5
3
132.39
132.
23
132.
12
132.
04
13
1.9
4
132.
38
130.
96
130.41
130.97
EN
TR
Y
ENTRY
PORT COCHERE
ENTRY
PROPOSED PEDESTRIAN EASEMENT
BOLLARDS
SIDEWALK
SID
EW
ALK
SID
EW
ALK
133.75'
132.79
132.79
131.51
131.51
131.59
132.65
132.86 133.10
133.10
131.90
131.66
137.00
135.55
135.55
134.34
131.66
133.82
133.77
A128'
B 63'
C2'
D 42'
E12'
F 13'
G33'
H 6'
J26'
K 20'
M103'
N 6'
P12'
Q 17'
R2'
S 73'
T58'
U 9'
EXTERIOR WALL
6' AWAY FROM EXTERIOR WALL
GRADE PLANE CAUCULATION
A = (132.79' + 137.00') / 2 x 128' = 17266.56B = (137.00' + 135.55') / 2 x 63' = 8585.33C = (135.55' + 135.55') / 2 x 2' = 271.1D = (135.55' + 134.34') / 2 x 42' = 5667.69E = (134.34' + 133.77') / 2 x 12' = 1608.66F = (133.77' + 133.82') / 2 x 13' = 1739.34G = (133.82 + 133.10') / 2 x 33' = 4404.18H = (133.10' + 133.10') / 2 x 6' = 798.6J = (133.10' + 132.86') / 2 x 26' = 3457.48K = (132.86; + 132.65') / 2 x 20' = 2655.1M = (132.65' + 131.66') / 2 x 103' = 13611.97N = (131.66' + 131.66') / 2 x 6' = 789.96P = (131.66' + 131.59') / 2 x 12' = 1579.5Q = (131.59 + 131.51') / 2 x 17' = 2236.35R = (131.51' + 131.51') / 2 x 2' = 263.02S = (131.51' + 131.90') / 2 x 73' = 9614.47T = (131.90' + 132.79') / 2 x 58' = 7676.01U = (132.79' + 132.79') / 2 x 9' = 1195.11
TOTAL PERIMETER = 625' 83,420.43GRADE PLANE = 133.47'
2015 SBC CHAPTER 2 DEFINITIONS
GRADE PLANE.A reference plane representing the average of finished ground level adjoining the building at exterior walls. Where the finished ground level slopes away from the exterior walls, the reference plane shall be established by the lowest points within the are between the huilding and the lot line or, where the lot line is more than 6 feet from the building, between the building and a point 6 feet from the building.
Level 33524'-4"
Level 34540'-4"
Level 35 ROOF552'-10"
TOWER PARAPET564'-10"
G F E
Level 37 ROOF579'-0"
Level 36 ELEV MACH RM568'-0"
11'-0
"15
'-2"
12'-6
"16
'-0"
21'-10"
6'-1
1 7/
8"
H G F E D
2
3
4
5
6
7
8
9
- -
DN
UP
22'-3 7/8"
SCALE: 1/8" = 1'-0"3
Section 66SCALE: 1/16" = 1'-0"
6Level 34 2 EXITS REQUIRED
2 EXITS REQUIRED
2 EXITS REQUIRED
1 EXIT REQUIRED
1 EXIT REQUIRED
G F E
5
6
7
8
8Level 36 ELEV MACH RM
ROOF / MECH ONLY - 1 EXIT REQUIRED
H G F E D
2
3
4
5
6
7
8
9
10
DN UP
7Level 35 ROOF(1) ROOF / MECH ONLY - 1 EXIT REQUIRED
19.11.25EXIHIBIT - E
Level B2
107'-0"
Level B1
120'-0"
Level 1 _ South
135'-6"
Level 3
171'-0"
Level 4
187'-0"
Level 5
203'-0"
Level 6
219'-0"
Level 7
235'-0"
Level 8
255'-0"
Level 9
272'-0"
Level 2
155'-0"
H G F E D C B A.4
Level 1
133'-0"
A
EMPLOYEE CAFETERIA
LOUNGE / DINING
17'-0
"20'-0
"16'-0
"16'-0
"16'-0
"16'-0
"16'-0
"19'-6
"
KITCHEN
POOL
DECK
BALLROOM
BALLROOM
HOWELL ST.
19.10.28
wan-door or fire-shutteron L3 &L5
L1
L2
L3
L4
L5
L6
L7
2-hr fire barrier with 90doors
wan-door or fire-shutteron L4 &L6
DN
UP
UP
1213 SF
MEETING501
745 SF
MEETING502
3748 SF
PRE-FUNCTION503
BALLROOM 2A504
BALLROOM 2B505
584 SF
MEETING513
182 SF
STAIR 2ST-2
PODIUM
ELEVATORELEV-5
PODIUM
ELEVATORELEV-6
PODIUM
ELEVATORELEV-7
133 SF
STORAGE149
CONTROL AREA
465 SF
ELEVATOR
LOBBY150
153 SF
CORRIDOR71
9'-6"
2-HR FIRE RATED STL ROLLING DOOR
20' W x 12' H
4'-0"
DN
UP
DN
DN
1213 SF
MEETING401
745 SF
MEETING402
1611 SF
PRE-FUNCTION403
OPEN TO L3 BELOW
182 SF
STAIR 2ST-2
PODIUM
ELEVATORELEV-5
PODIUM
ELEVATORELEV-6
PODIUM
ELEVATORELEV-7
8'-10"
9'-1 3/4"133 SF
STORAGE145
710 SF
ELEVATOR
LOBBY146
153 SF
CORRIDOR69
181 SF
STAIR 6ST-6
CLOSELY SPACED SPRINKLERS
AND AN 18 INCH DRAFT CURTAIN
closely spacedsprinklers and an18 inch draFtcurtain
Atrium? - NoSmoke Control ? - nofan and louver on exterior - no2-hr fire barrier with 90 doors at L5 & L6 could be won-door /Fire-shutter(?)closely spaced sprinklers and an 18 inch draft curtain at the floor opening on L1 through L4?
L5 & L6
closely spaced sprinklers and an 18 inch draftcurtain at the floor opening on L1 through L4
19.11.25
Application of Section 1019.3. Non atrium condition with 2- hour firebarriers with 90 minute doors all but two levels at the entry p
EXIHIBIT - F
Recommended