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Home My WebLink AboutB06-0196 Fire & Life Safety Draft 02/24/05 . � �"�� ROLF JENSEN &ASSOCIATES, INC. �JJ 1''� ��-� l �.�. FIRE 8� LIFE SAFETY REPORT FOUR SEASONS HOTEL VAIL, COLORADO Prepared for: Hill Glazier Architects 925 Alma Street Palo Alto, CA 94301 - DRAFT- February 24, 2005 V31063 �O 2005 Rolf Jensen&Associates,Inc.All Rights Reserved 101 CONVEN110N CEMER DRIVE,SUITE 650,LAS VEGAS,NV 89109-2001 USA +1 702 699-5391, FAX+1 702 6935534 www.rjegroup.com A SUBSIDIARY OF THE IiJA GROUP,INC. � FIRE & LIFE SAFETY REPORT V31063 - Page i FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO - DRAFT- TABLE OF CONTENTS INTRODUCTION............................................................................................................. 1 FACILITY DESCRIPTION............................................................................................... 1 DESIGNTEAM ............................................................................................................... 2 APPLICABLE CODES..................................................................................................... 3 KEYISSUES................................................................................................................... 3 FIRE PROTECTION OUTLINE....................................................................................... 4 I. OCCUPANCY CLASSIFICATIONS ........................................................... 4 II. STRUCTURAL FIRE RESISTANCE.......................................................... 5 III. INTERIOR WALLS AND PARTITIONS...................................................... 7 IV. INTERIOR WALL AND CEILING FINISHES.............................................. 9 V. EGRESS.................................................................................................. 10 VI. EMERGENCY SIGNAGE ........................................................................ 13 VII. SUPPRESSION SYSTEMS..................................................................... 13 VIII. FIRE DETECTION AND ALARM SYSTEM ............................................. 17 IX. EMERGENCY COMMUNICATION AND ALARM SYSTEMS.................. 19 X. FIRE COMMAND CENTER..................................................................... 21 XI. SMOKE CONTROL ................................................................................. 22 XII. EMERGENCY POWER ........................................................................... 22 XIII. ELEVATORS ........................................................................................... 23 PERIODIC OPERATION AND MAINTENANCE ........................................................... 25 CONCLUSION .............................................................................................................. 26 APPENDIX A FIRE ALARM MATRIX APPENDIX B SMALL-SCALE DRAWINGS APPENDIX C OFFICIAL CORRESPONDENCE 7 FIRE & LIFE SAFETY REPORT V31063 - Page 1 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- INTRODUCTION This document describes, in conceptual terms, the fire protection features of the Four Seasons Hotel project in Vail, Colorado. This package intends to describe, in performance-based language, the overali approach to active and passive fire protection features in the facility, whether required by Code, the Authority Having Jurisdictions, or as a result of an Owner request. It also describes the interaction of these systems in providing an overall coordinated fire protection package. -� FACILITY DESCRIPTION �� ,t�� The Four Seasons Hotel project includes a residential hotel and condominium building �_ of 10 stories. The building includes hotel guest rooms, fractional ownership residential units (timeshare), whole ownership residential units (condominiums), employee housing units, meeting and banquet facilities, a spa, restaurants and associated kitchens, retail, kids center, and back-of-house support. Two enclosed parking garage levels are also located atthe base ofthe building. _ ;�i, �� 2 , 11-�-, +-\-i�' � � � S:� M �x ` � ; «�� :; > The building will be situated on a sloping site. The site slopes from the north to the south, so that portions of Level 2 are exposed to grade on the south side. The main entrance to the facility is on the north side and is accessed from Level 5. Although Level 2 is at elevation 142', the street on the south side of the property (West Meadow Drive) is at elevation 152'. The elevation of Level 10 (the highest occupied floor) is 222'. The overall facility is considered a low-rise structure, as the highest occupied floor (Level 10) is less than 75-feet from the lowest level of Fire Department vehicle access. The building will be constructed under the provisions of the 2003 editions of the International Codes. The building will be treated as one overall building and will have non-separated uses as allowed by code. The building will be constructed of Type 1 B � non-combustible materials. Wood trim and fascia is proposed for placement on the iJ��;.�-'`�) exterior walls of the building. These elements will not be considered building �" �: J{�- construction materials, rather they will be considered exterior wall treatment and `' ,��' finishes. Where rge wood members are used, they will comply with the requirements for heavy timbe � � , ��a �. . C H�r►�' �� f��c� %� �_S� 15S�� v ' i ��i� S�X Gt F �CWZC� \ ��2 o I�1-�3�'s Ttfi S ��..� �- t3 � C�S�uC-T�UnJ l�,�u�i� �JU Pe�sc:r�t��_S �}s�� -��' � �� `t'�� - � � � _ � ��.� �►�3�0 a� F[r�� s�� .��Si�h��' . � � , � FIRE & LIFE SAFETY REPORT V31063 - Page 2 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- DESIGN TEAM Owner/ Developer HB Development Company 821 Marquette Avenue, Suite 600 Minneapolis, MN 55402 T.J. Brink 612-332-1500 612-332-2428 (fax) Vail Development, LLC 50 South Sixth Street, Suite 1480 Minneapolis, MN 55402 Doug Hipskind 612-313-0123 612-313-0136 (fax) Design Architect � Hill-Glazier Architects, Inc. �,�� 925 Alma Street 4M"�� 5;�� Palo Alto, CA 94301 � Douglass Atmore � �� ,,,(�� 650-617-0366 ��°� �p.d�°' 650-617-0373 (fax) � v-''�' Structural Engineer � Nishkian Menninger 1095 Folsom Street San Francisco, CA 94103 Levon Nishkian 415-541-9477 415-543-5071 (fax) Mechanical / Electrical / Plumbing Eng. Rybka Smith & Ginsler 18 Champlain Blvd. Toronto, Ontario M3H 2Z1 Hani Motran Armin Von Eppinghoven 416-398-6020 416-398-6361 (fax) FIRE & LIFE SAFETY REPORT V31063 - Page 3 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- Fire Protection / Building Code Consultant Rolf Jensen & Associates, Inc. 101 Convention Center Dr., #650 Las Vegas, NV 89109 Allyn J. Vaughn 702-699-5391 702-699-5534 (fax) APPLICABLE CODES This outline documents general fire protection features based upon the requirements of the Town of Vail Building and Fire Departments. The applicable codes for this project include: 1. International Building Code (IBC) - 2003 Edition. 2. International Fire Code (IFC) - 2003 Edition 3. International Mechanical Code (IMC) - 2003 Edition 4. International Plumbing Code (IPC) - 2003 Edition C �'�� 5. National Electric Code (NEC) - 2002 Edition �,� ��"..;�v 6. Town of Vail Local Amendments ' � This report addresses the key features of these Codes and Guidelines. The primary intent of this document is to coordinate the fire protection approach befinreen all design disciplines. Details of compliance are left to the construction documents and the contractors. KEY ISSUES �`'' �� The building will be constructed of non-combustible materials as required by Section �� rtc 602 for Type 1 B construction. Wood may be used as part of decorative trim and other � �°`M�� elements within and on the building as allowed by Section 603 of the code. Wood may l ;��5,y be used on the exterior walls of the building as outlined in Section 1405.4. Where wood is placed more than 3 stories above grade, the wood wiJl be fire retardant treated. — r`}-�� wa�'Q � Wood materials may also be used on the exterior walls to form balconies and eaves. ��.r, �,,r,�,(� These materials will not be part of the al__elements of the balconies or roof and will comply with the requirements fo eavy timber materials. �� '��T ��, � �� ,�Pc., n �� 2 �� €X�� o �/� ��yt.F c�,t.�� V�I�'� �S�r2 t�'S ,� � � 1 (��.y.� -� ��l�c�.3 �,� C'� �� x�� So _ �, - �o'�e.J�'� �' �� . L� P�- �2�c��iur� ��S��Nri��S � L��lo•�� 3 � �S ��"'a� .�,r��t�o 13�r� -��-��, .��c n � FIRE & LIFE SAFETY REPORT V31063 - Page 4 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- The toilet exhaust shafts for the residentiai units will be provided with 22-inch sub-ducts and wili have the exhaust fans continuously operating. While the code specificaliy allows the fire damper to be eliminated with the sub-duct, the code does not specifically , address the elimination of the smoke damper for this occupancy. The code does allow �„��,� � the smoke damper to be eliminated in other occupancies (Group B) when the fan is fl`�� continuously operating. This report requests elimination of the smoke damper on the �,�v � toilet exhaust shafts for the residential units as an alternate approach to meeting the �' intent of code. Protection of the shaft is provided by means of constant airflow from the�' exhaust fan, which w'll be protected using the requirements for smoke control fans as �� outlined in Sectio 909'of the Code. Refer to Appendix C for a copy of this Request. � �� s�z�� r3��5 ? ��i� � �. 3. I � ��`�`�� FIRE PROTECTION OUTLINE � � \ ,.� 0� ��VV' � This outline presents conceptual informatian regarding the proposed fire protection �� systems and their performance. This report is intended to be coordinated with the permit drawings for the facility. Where there are conflicts, this report will take precedence. I. OCCUPANCY CLASSIFICATIONS A. Occupancies Occupancv Classification , � 1. Ballrooms & Meeting Rooms A-3 t��5�� 2. Banquet & Boardrooms A-3 3. Hotel Lobby / Reception Area A-3 4. Restaurants / Lounges A-2 5. Pool Deck A-3 6. Hotel Guest Rooms & Suites R-1 7. Condominiums (Whole Ownership) R-2 8. Employee Housing R-2 9. Fractional Residential Units (Timeshare) R-2 10. Spa / Fitness Center B 11. Offices B 12. Storage Areas S-1 13. Parking Garage S-2 14. Laundry F-1 15. Kitchens F-1 16. Mechanical / Electrical Rooms F-1 17. Retail M 18. Youth Center (Day Care) E 19. Teen Center A-3 20. Employee Dining A-3 21. Employee Lockers B 22. Paint Shop/Maintenance Shop F-1 23. Engineering Offices/Shops F-1 FIRE & LIFE SAFETY REPORT V31063 - Page 5 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- II. STRUCTURAL FIRE RESISTANCE A. Fire-resistance rating of primary structural features (Type I-B per IBC Section 602). 1. Structural Frame. ��:�='� �,r,;S � vL.; a. GeneraL 2-hour. ��''-�' ��T C , b. Roof supports: Fire-resistance ratings of structural frame and bearing walls are permitted to be reduced by 1-hour where supporting a roof only per IBC Table 601, Note b. 2. Exterior Walls. �,�-,LS �`'w�:�'A'`' a. All exterior walls will be non-bearing. b. Intersections of floors and exterior walls will be protected in accordance with IBC Section 713.4. c. Exterior walls and openings will be protected in accordance with I BC Tables 602 and 704.8. 3. Floors. a. General: 2-hour. 4. Roofs: a. General: 1-hour. b. Fire resistance reduction (as permitted by IBC Table 601, Note c): Except for Occupancies F-1, H, M and S-1, fire �--�' � � protection of roof structural members shall not be required, ��'� � � including protection of roof framing and decking where every ,.�j�,t��'� part of the roof construction is 20 feet or more above any �� ,�� floor immediately below. �� l � �� , ��r�C�+'� � FIRE & LIFE SAFETY REPORT V31063 - Page 6 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 5. Shafts. a. Stairs. 1) Stairways connecting four stories or more will be enclosed in 2-hour construction with 1-1/2-hour opening protection in accordance with IBC Section 707.4. Doors will be provided with "S" label listings and be temperature control assemblies. 2) Stairways connecting less than four stories will be enclosed in 1-hour construction with 60-minute opening protection. Doors will be provided with "S" label listings and be temperature contral assemblies. 3) Where stair enclosures transition horizontally, they will be designed and constructed as exit passageways per IBC Section 1020 requirements. The continuity of the exit passageways will be in accordance with IBC Section 706.4. 4) Exit enclosures will not contain equipment, ductwork, piping, systems or devices that do not serve the exit enclosure, per I BC Section 1017.1. 5) Only those rooms or areas that are normally occupied will open onto exit passageways. These openings may be used for normal circulation in addition to egress. � `�� 6) Stairs that interconnect only two levels may be open. � This will occur between Level 3 and Level 5 to i i� ��( , � interconnect the public spaces. - Cti�� v�e��j to G�t�� I i�.�; _1 .{ ��y,2 #�'� 7) Since the roof will have slopes greater tha 1:12, stairs will not extend to the roof. — �� i: ia b. Elevator shafts will be 2-hour rated with 1-1/2-hour opening protection provided. c. Other shafts will be 2-hour rated construction with 1-1/2-hour opening protection. � n�� v� s�x+�r� �- `� . FIRE & LIFE SAFETY REPORT V31063 - Page 7 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- III. INTERIOR WALLS AND PARTITIONS A. Occupancy separations. 1. The overall building will be constructed of Type 1 B materials. Except for the parking garage and storage areas, which will be �.t-,�`, ��}1,� separated from the remainder of the building as required for �� SE��-%� �ncidental use II other uses have unlimited area requirements ased on Tab�e 503. With the overall area of the garage and ��,;Z,7 e � storage uses being within the allowable area requirements, the � ��, �, building will be treated as a non-separated mixed use occupancy as �,), I outlined in IBC Section 302.3. Therefore, fire-separation � �assemblies will not be provided between use groups. Fire rated � . assemblies will be provided for incidental use areas as noted wISP�'�� below. /�f k�� .lic=�.S __-- B. Enclosure of special uses/rooms (building will be fully sprinklered). � 1. Storage rooms over 100-square feet: no-rating (automatic sprinklers). 2. Laundry rooms over 100-square feet: no-rating (automatic sprinklers). 3. Refrigeration machinery rooms: no-rating (automatic sprinklers). CU 4. Waste and linen chute access and termination rooms: no-rating � 7 �� (automatic sprinklers). �jt,��r �yn�n.��ry'� �S'r{�-`�- �# i� �s� e Ci�t.�S i�P�'��I'lOyl.) �fl� �. 5. Parking garage: 1-hour with automatic sprinklers ��cJ��j� 6. Furnace or boiler rooms: no rating (automatic sprinklers). 7. Fire pump room (if required): 1-hour. 8. Emergency generator and emergency switchgear rooms: 2-hour. C. Corridors. 1. Ratings. a. Residential occupancies with an occupant load greater than 10: 30-minutes (automatic sprinkters).� 1 ��d�l (�� Lf ST! �'6 �w--- FIRE & LIFE SAFETY REPORT V31063 - Page 8 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- b. All other occupancies: no rating required (automatic sprinklers). 2. Dead ends. a. Group B and F occupancies: 50-feet. b. All other occupancies: 20-feet. c. All occupancies: May be extended up to 2.5 times the least width of the dead end corridor. D. Other permanent partitions. 1. Elevator lobbies: rated to match the corresponding corridor when opening onto a rated corridor. 2. Elsewhere: noncombustible, as allowed by IBC Section 602.2. 3. Separating condo units, hotel guest rooms and suites: 1-hour. � ��r2� P�-�u�s ` 5�;�;�k��t"►�� J��161l��/�S . E. Opening protection. 1. Door ratings. a. 2-hour walls: 1-1/2-hour. b. Interconnecting doors between hotel guest rooms: 3/4-hour (no closers required per the Exception to IBC Section 715.3.7). c. Exit enclosures: 1-1/2-hour with "S" label and heat rate of rise rating per IBC Section 715.3.4. d. Fire-resistive rated corridor walls and elevator lobbies: 20- minute, "S" label. e. Other 1-hour walls: 1-hour. 2. Through penetrations and membrane penetrations through rated partitions will be protected with fire-rated sealant or fire-stop material per their listing. Contractor shop drawings and/or permit drawings will identify the UL listing number of the through- penetration assembly. FIRE & LIFE SAFETY REPORT V31063 - Page 9 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 3. Fire dampers will be provided as required by code unless a combination fire/smoke damper is provided. 4. Smoke dampers a. Located at: 1) Duct penetrations of rated corridors unless ducts are 26-gauge steel with no openings into corridor. 2) Shafts, except for toilet exhaust ducts serving continuously operating fans on emergency power and provided with 22-inch sub ducts. 3) Elevator lobbies. b. Activated by smoke detection per IBC Section 716.3.2 as amended. c. Leakage rating of Class II or better. d. Fail in the closed position upon loss of power to the damper. 5. Fire dampers a. Activated by fixed temperature. b. Located at duct penetrations of fire barriers, shafts and fire partitions. IV. INTERIOR WALL AND CEILING FINISHES A. Flame spread. 1. Wall and ceiling flame spread ratings will be based on Table 803.5 using automatic sprinkler protection provisions. Ratings will be based on occupancies within the building and location of finishes. 2. Foam plastics will not be used as interior finish or trim, except as provided in Sections 2603.8 or 2604. 3. Other insulation will have a flame spread of not more than 25 (Class A). FIRE & LIFE SAFETY REPORT V31063 - Page 25 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 3. A permanent sign on the elevator status panel in the Fire Command Center will designate the emergency elevator. 4. The size of the emergency elevator will be able to accommodate a 24-inch-by-76-inch stretcher in its horizontal position. A minimum clear opening width of 42 inches will be provided. H. Each elevator machine room will be provided with smoke detector(s) installed within its/their listing(s). PERIODIC OPERATION AND MAINTENANCE Qualified individuals acceptable to the Fire Department will regularly test all active fire protection systems and devices in accordance with applicable codes and standards. Records of all maintenance and testing will be retained on site and presented to County representatives upon request. FIRE & LIFE SAFETY REPORT V31063 - Page 26 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- CONCLUSION This report provides general fire protection guidelines developed for the Four Seasons Hotel project in Vail, Colorado. Working drawings and specifications will be coordinated to comply with the fire protection features outlined in this document. Prepared by: ROLF JENSEN & ASSOCIATES, INC. -DRAFT- Allyn J. Vaughn Date Reviewed by: -DRAFT- Brian O. Thompson, P.E. Date Reviewed by: -DRAFT- Hill Glazier Architects Date Reviewed by: -DRAFCT- Owner's Representative Date AJV/BOTav V31063\Four Seasons Vail FPR City Draft 2-24-05.doc APPENDIX A FIRE ALARM FUNCTIONAL MATRIX FOUR SEASONS HOTEL FIRE ALARM FUNCTIONAL MATRIX 24-Hour Response � Fire Evacuation Recall Elevator Close Monitoring Alarm Signal Elevator Shunt Related Initiating Device� (Fire Panel Doors Command) AREA DETECTORS Residential Unit�'� ■ ■ ■ (in room only) Elevator Lobby ■ ■ ■ ■ ■ Elevator Machine Room/ ■ ■ ■ ■ ■ Top of Service Elev Hoistway Door Release ■ ■ ■ ■ AllOthers ■ ■ ■ ■ HEAT DETECTORS Elevator Machine Room/ ■ ■ ■ ■ ■ Top of Service Elev Hoistway AllOthers ■ ■ ■ ■ HVAC DETECTORS Supply Fans ■ ■ ■ �2� Return Fans ■ ■ ■ �2� WATERFLOW DEVICES Public/Back-of-House ■ ■ ■ ■ SUPERVISORY& ■ ■ TROUBLE MANUAL CONTROLS ■ ■ ■ POWER FAILURE ■ ■ � �'� Smoke detectors within residential units will be system operated to provide a supervisory alarm signal on the fire alarm system. They will also be equipped to sound an audible alarm within the unit. �z� In-duct detectors located on air-handling systems to annunciate at FACP only. These detectors will not activate audible and visible appliances within the building. 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ADMINISTRATIVE MODIFICATION REQUEST Four Seasons Hotel Vail, Colorado - DRAFT - AMR #1 TOILET EXHAUST FIRE AND SMOKE DAMPER ELIMINATION Introduction: Shaft enclosures for the purpose of air transfer create a passage for the accumulation and spread of hot smoke and gases from a fire to upper stories of a building (chimney effect). As such, the 2003 International Building Code (IBC) recognizes this and is very cautious in protecting penetrations of such shaft enclosures by requiring fire dampers and smoke dampers in locations where these products of fire can escape the shaft and travel into the building at other floor levels. The majoriry of deaths in fires are a result of smoke and proper design and construction can help minimize the travel of smoke into occupied floor areas. Code Section: Section 716.5.3.1 of the 2003 IBC, establishes the requirements for penetration of shaft enclosures by ducts and air transfer openings, when the shaft enclosure is permitted to be penetrated. Code Requirement: Section 716.5.3.1 of the 2003 IBC requires penetrations of shaft enclosures by ducts and air transfer openings to be protected with approved fire dampers and smoke dampers installed in accordance to their listing. O 2005 Rolf Jensen&Associates,Inc.All Rights Reserved 101 CONVENTION CENTER DRIVE,SUITE 650,LAS VEGAS,NV 89109-2001 USA r 1 702 699-5391, FAX+1 702 699-55.'i4 www.rjagroup.com A SUBSIDIARY OF THE RJA GROUP,INC. � r ADMINISTRATIVE MODIFICATION REQUEST V31063 - Page 2 FOUR SEASONS HOTEL February 25, 2005 TOILET EXHAUST FIRE AND SMOKE DAMPER ELIMINATION - DRAFT— Exception 1.1 of this section allows the elimination of fire dampers at penetration of shaft enclosures by steel exhaust sub-ducts that extend at least 22 inches vertically in exhaust / shafts provided there is a continuous airflow upward to the � �outside. ��OException 2.1 of this section also allows the elimination of smoke dampers on shafts serving bathroom and toilet �� exhaust o enin s in Grou B occu ancies� rovided the P 9 P P , P �� building is equipped throughout by an automatic sprinkler 1(, system, the shaft is equipped with steel exhaust sub-ducts l � � � extending at least 22-inches vertically, the exhaust fan is at U.� �� the upper terminus, the fan is powered continuously with the � /' provisions of Section 909.11, and maintains airflow upward C � to the outside. O Code Intent: Section 716.5.3.1 re uires both fire and smoke dam q pers at duct and air transfer openings in the shaft wall. The fire damper is required due to the penetration of a fire-resistance rated shaft, and to limit the migration of smoke to other parts of the building via the shaft and the chimney effect. The code recognizes that a continuous airflow upward will create a negative pressure in the shaft as compared to adjacent spaces, thereby minimizing the spread of hot gases and smoke from the shaft. The code also recognizes that the likelihood of smoke being capable of spreading to spaces adjacent to the shaft is increased if the steel exhaust duct is not in a building equipped throughout with automatic sprinkler protection, the exhaust is something greater than that expected of a bathroom and toilet room exhaust, the exhaust duct wall thickness is less than 0.019 inches, and the exhaust fan is not treated as a life safety component by powering the exhaust fan continuously just like the power for smoke control systems in Section 909.11, 2003 IBC. � i ADMINISTRATIVE MODIFICATION REQUEST V31063 - Page 3 FOUR SEASONS HOTEL February 25, 2005 TOILET EXHAUST FIRE AND SMOKE DAMPER ELIMINATION - DRAFT— Request: To allow the elimination of smoke dampers for toilet exhaust shafts for the Four Seasons Hotel as allowed for Group B building occupancies by Section 716.5.3.1, Exception 2.1, 2003 I BC. Justification: Regardiess of the building occupancy classification, the �- �.�� physics of establishing a continuous exhaust in a shaft to ;�� l create a negative pressure relative to adjacent spaces to the � shaft will still exist. The only difference in a Group B versus a �n � Group R occupancy is the potential for familiarity with the �U17�K �� surroundings in an office environment as opposed to a hotel. �L�� j However, the intent of the code for protection of the shaft is still maintained using the provisions of this exception. r p C C�'V �/ ►�L''� �(��Q� � ��y� The negative pressure created within the shaft by the �.-.n ��v� continuously operating fan provides for protection of the 1U� shaft from smoke as it is unlikely that smoke will spread to other floors once it enters the shaft. The upward flow of air will create a condition that effectively provides the same level of protection as the installation of a smoke damper. The continuously operating fan in accordance with Section 909.11 will provide for reliability of the fan as would be required for smoke control systems. This provides a level of protection consistent with the code for protection of the shaft. Summary: This request provides a level of protection and life safety that meets the intent required by Code. Regardless of the D�� c�,�� building occupancy classification, when built in accordance with code exception requirements, the elimination of the smoke damper at the penetration of the exhaust shaft enclosure by a bathroom or toilet exhaust sub-duct that extends at least 22 inches vertically and has a minimum wall thickness of 0.019 inches in an exhaust shaft with continuously powered fans equivalent to continuous power for smoke control exhaust fans; the level of protection for life safety afforded by the code is met. ADMINISTRATIVE MODIFICATION REQUEST V31063 - Page 4 FOUR SEASONS HOTEL February 25, 2005 TOILET EXHAUST FIRE AND SMOKE DAMPER ELIMINATION - DRAFT— We respectfully request your approval. Upon approval, this document will become an attachment to the Fire Protection Report prepared for this project. Prepared by: ROLF JENSEN AND ASSOCIATES, INC. - DRAFT - Allyn J. Vaughn Date Reviewed by: - DRAFT - Brian Thompson, P.E. Date Approved by: - DRAFT - Town of Vail Chief Buiiding Official Date - DRAFT - Vail Fire and Emergency Services Fire Marshal Date BOT/AJV:bot/ba V31063lToilet Exhaust RFM Draft 02-25-05 FIRE & LIFE SAFETY REPORT V31063 - Page 10 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 4. Textiles on walls or ceilings will not exceed a flame spread of 25 (Class A). 5. All other interior finish will have a flame spread not to exceed 200 (Class C). B. Smoke developed will not exceed 450. C. If any plastics are proposed to be used as interior finish they will be separately identified in subsequent amendments to this report. V. EGRESS A. Exit drawings, which show exit routes, capacities, and load factors, will be developed as part of the permit packages. B. Occupant load factors. Load Factor Occupancv (sq. ft./person) 1. Meeting & Banquet Rooms 15 net 7 2. Ballrooms 7 net ��'SS � 3. Ballroom Pre-Function 15 net ` 4. Hotel Reception (e.g., check-in lines) 5 net 5. Hotel Lobby (e.g., circulation) 100 gross 6. Ballroom Pre-Function 100 gross 7. Guest Suites /Condominiums 200 gross 8. Restaurants 15 net 9. Lounge areas 15 net 10. Swimming Pool 50 gross 11. Pool Deck 15 gross 12. Spa Treatment Rooms 100 gross 13. Exercise Rooms 50 gross 14. Locker Rooms 50 gross 15. Retail 30 gross 16. Parking Garage 200 gross 17. Kitchen areas 200 gross 18. Mechanical equipment rooms 300 gross 19. Offices 100 gross 20. Storage 300 gross 21. Day Care 50 net 22. Teen Center 15 net FIRE & LIFE SAFETY REPORT V31063 - Page 11 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- C. Exit width factors. 1. All occupancies. a. Stairways: 0.20-inches per occupant (automatic sprinklers). b. Other egress components: 0.15-inches per occupant (automatic sprinklers). D. Non-simultaneous uses. 1. Public area rest rooms, and the Pre-Function areas within the Ballroom areas, will be considered non-simultaneously occupied within the area they serve. These areas will be provided with sufficient exiting based on the use of the area, however their loads will not be included in the overall loads for the building. E. Exit routes from building. 1. Above-grade levels. a. Exits will be into enclosed stairwells. b. Stairwells will discharge directly to the exterior at grade levels. c. Open stairs may be used as part of the exit system if they comply with Section 1019.1, Exception 8. F. Travel distances. 1. Travel distances will be limited as follows (automatic sprinklers): a. Group B Occupancies: 300-feet. b. Group S-2 (Parking Garage) Occupancies: 400-feet. c. All other occupancies: 250-feet. 2. Common path of egress travel. a. Group B, F and S occupancies: 100-feet (automatic sprinklers). FIRE & LIFE SAFETY REPORT V31063 - Page 12 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- b. All other occupancies: 75-feet. G. Separation of exits 1. Where two exits are required from an area as outlined in Table 1014.1, the exits will be separated by one-third of the maximum overall diagonal dimension of the area served. 2. As an alternative, where exit enclosures are interconnected by a one-hour fire resistive corridor, the required exit separation will be measured along a direct line of exit travel within the corridor. H. Other exiting provisions. 1. Egress from a room or space will not pass through adjoining or intervening rooms or areas, except where the adjoining rooms or areas are accessory to the area served. Egress through multiple intervening rooms is acceptable, provided all rooms are considered accessory. 2. Except for dwelling units, exit access will not pass through kitchen areas. 3. Exit access from rooms or areas will not pass through store rooms, closets or similar uses. �.{� ��,�; .�j��r��,��'�� u;��15 � 4. Panic hardware will be provided on all exit doors serving assembly areas with an occupant load of 100 or more that are provided with a lock or latch. This includes all doors on the egress route from these areas. 5. Exit doors will swing in the direction of exit travel when serving an occupancy load of 50 or more. I. Exit signs and exit illumination. 1. Illuminated or self-luminous exit signs will be provided at stair entrance doors and elsewhere as necessary to clearly indicate the direction of exit travel. FIRE & LIFE SAFETY REPORT V31063 - Page 13 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 2. Exit illumination of not less than 1 footcandle provided with backup power from the emergency generator, will be provided for all exit routes within the building. Exit illumination will also be provided immediately in front of the point of discharge for all exits at the exterior of the building. VI. EMERGENCY SIGNAGE A. A sign stating ��IN CASE OF FIRE, USE STAIRWAYS FOR EXIT. DO NOT USE ELEVATOR" will be posted adjacent to each elevator call station. This sign will also provide a pictorial representation to indicate that the elevator will not operate during a fire and that exit stairs should be used. B. Stairway identification signs will be provided in compliance with the IBC. VII. SUPPRESSION SYSTEMS A. Automatic sprinkler protection. 1. Wet-pipe, hydraulically calculated automatic sprinkler systems will be provided throughout all areas. Where temperatures cannot be maintained above 40°F, such as within the loading dock areas, dry or anti-freeze type systems will be installed. The finro parking garage levels will be heated to maintain temperatures above 40°F. 2. Automatic sprinkler systems will be designed to comply with NFPA 13 as follows. Areas of coverage will be increased by 30 percent for dry systems. a. Light Hazard: 0.10 gpm per square foot over the most remote 1,500 square feet. The large room rule for the residential units will not be used. b. Ordinary Hazard (Group 1): 0.15 gpm per square foot over the most remote 1,500 square feet. c. Ordinary Hazard (Group 2): 0.20 gpm per square foot over the most remote 1,500 square feet. FIRE & LIFE SAFETY REPORT V31063 - Page 14 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 3. Hazard classifications for the areas included with automatic sprinkler protection for this project are as follows: Description Liqht Ord. Ord. Hazard Grou I Grou II Meetin Rooms X Ballrooms X Lobb Areas / Circulation X Guest Rooms / Condominiums X Restaurants X Mechanical rooms X S a / Locker Rooms Areas X Retail X Parkin Gara e X Offices X Stora e 12 ft. or less X 4. Automatic sprinkler system zones will be designed to coordinate with the respective building elements. a. The maximum area per sprinkler zone on any floor level will not exceed 52,000 square feet or to the limits established by NFPA 13. b. The building will be provided with at least one sprinkler system per floor level and systems will not extend to multiple floors. FIRE & LIFE SAFETY REPORT V31063 - Page 15 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- c. The area of hydraulic calculation for the dry pipe systems will be increased by 30 percent or as required by NFPA 13 for dry pipe systems. 5. Automatic sprinkler systems will be served by risers separate from the dry standpipe systems. 6. Alarm and Trouble Signals. a. Waterflow devices will be provided at the lateral connection to each sprinkler riser on each floor for each zone. b. Electrical supervision will be provided on all sprinkler system control valves and supervisory air pressure switches. c. Proprietary monitoring will be provided for all alarm, supervisory, and trouble signals at the Fire Command Center and Security (24-hour location). 7. Sprinkler Types. a. Quick response standard temperature sprinklers will be used throughout all light hazard occupancies. Extended coverage, quick response horizontal sidewall sprinklers may be utilized in residential occupancies. Standard response sprinklers will be used in all other areas. Flush, semi- recessed, or low profile sprinklers will be used in all finished areas. B. Standpipes. 1. The building will contain a Class I dry standpipe system as required by the Town of Vail. 2. All standpipes will be interconnected at the base of the building. 3. Class I type outlets will be provided at every floor-level landing within the stairways. Standpipe risers will be within the stair, and will also be spaced in accordance with NFPA 14 criteria for dry standpipe systems. FIRE & LIFE SAFETY REPORT V31063 - Page 16 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 4. The standpipe outlets will be located 60-inches above the floor with hose outlets pointed down. The valve outlet will be nominal 2-1/2 inch diameter with 1-1/2 inch reducer. The valves will not be of the pressure regulating type. C. Water supplies. 1. An electric fire pump will be provided to serve the property, if city water supply cannot meet the system design requirements for the automatic sprinkler system. This pump will be arranged to supplement the available municipal water supply. The fire pump will serve the sprinkler system only. Standpipes will be served by Fire Department apparatus. 2. Multiple remote fire department connection locations will be coordinated with the Fire Department. These fire department connections will be arranged to supply the sprinkler and standpipe systems throughout the property. Separate connections will be provided for the sprinkler and standpipe systems. 3. Fire pump status will be monitored at the Fire Command Center (Security) on Level 04. The fire alarm system will monitor the fire pump for remote alarms as required by NFPA 20. D. Kitchen hood systems. 1. All kitchen hoods and grease exhaust ducts will be provided with automatic suppression in accordance with NFPA 96. Water supply will be provided from the automatic sprinkler system risers, with separate connections and control valves. 2. The fire alarm system will monitor the activation of all hood and grease exhaust duct extinguishing systems, and cause automatic fuel shut-off for the area served as well as audibles and visuals in areas as directed by the Fire Department. E. Fire extinguishers will be located in accordance with NFPA 10. FIRE & LIFE SAFETY REPORT V31063 - Page 17 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- VIII. FIRE DETECTION AND ALARM SYSTEM A. Fire alarm initiating devices will be zoned to correspond with automatic sprinkler systems and the respective building elements. B. Operation of the fire detection and alarm system will be consistent with the fire functional matrix in Appendix A. C. The system will be fully addressable and distributed using remotely located panels throughout the facility. D. Annunciation of all fire alarm system devices will be provided at the Fire Command Center (Security) on Level 04. A separate remote annunciator will be provided at the designated Fire Department response point location (Front Desk). In addition, an annunciator will also be provided in PBX for in-house operational use for monitoring fire alarms within the building. E. All fire alarm circuits will be fully supervised to annunciate alarm supervisory and trouble conditions as required by NFPA 72. F. The fire alarm system will receive fire alarm signals from the following initiating devices: 1. Automatic sprinkler system waterflow indicators. 2. Area smoke detectors. 3. Heat detectors. 4. In-duct and duct type smoke detectors. 5. Kitchen hood systems. 6. Manual fire alarm stations. G. The fire alarm system will receive supervisory signals from the following devices: 1. Automatic sprinkler and standpipe system control valves. 2. Smoke detectors within hotel guest rooms, employee housing units, and residential units. 3. Fire pump controller. FIRE & LIFE SAFETY REPORT V31063 - Page 18 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 4. Low air supervisory switches for dry-pipe sprinkler systems. H. Area smoke detectors will be provided at the following locations. Where approved by the Fire Department, alarm verification will be provided for these detectors. 1. Mechanical, electrical, telephone, transformer, elevator, and similar equipment and machine rooms. 2. Where fire-rated doors are held open by magnetic devices. 3. Elevator lobbies. 4. At combination fire and smoke dampers. 5. At locations housing fire alarm control panels. 6. Throughout all common areas of the building. 7. At the top of elevator hoisfinrays. 8. All corridors serving residential units (employee housing, hotel guestrooms, fractional/timeshare units, and condominiums). 9. At combination fire and smoke dampers. 10. Within residential units, including hotel guest rooms and suites, condominium units, fractional/timeshare units and employee housing units. Smoke detectors will also be provided within the main living units where sleeping may occur. These detectors will sound a local alarm within the unit and also report on the fire alarm control panel as a supervisory alarm. I. Duct type smoke detectors will be provided at the following locations: 1. Main circulating air duct ahead of any fresh air inlet serving any system providing more than 2,000 cfm. Where complete area detection is provided throughout all areas served by an air-handling units, the area detectors may be used to shutdown the unit in lieu of in-duct detectors as allowed by Code. FIRE & LIFE SAFETY REPORT V31063 - Page 19 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- J. Manual fire alarm stations will not be provided throughout the facility, as aliowed by the International Fire Code for assembly and residential occupancies located within a fully sprinklered building. Manual fire alarm stations will be provided at the front desk and behind bars or service areas in public lounge areas. K. Residential unit smoke detectors will be interconnected (e.g., all detectors annunciate upon any detection activation) and installed in the residential units as outlined below. These detectors are to be connected to the building's fire alarm system to allow for monitoring by in-house personnel. These detectors are intended to sound a local audible alarm within the unit to alert room occupants only. 1. Hotel guest rooms and suites. a. In sleeping areas. 2. Condominium units, fractional/timeshare units and employee housing units. a. On the ceiling or wall outside of each separate sleeping area in the immediate vicinity of bedrooms. b. In each room used for sleeping purposes, including the living rooms. L. Heat Detectors will be provided: 1. At all locations requiring area detection where smoke detection is not suitable for the environment, including the parking garage areas. Heat detectors will not be provided within the loading dock. IX. EMERGENCY COMMUNICATION AND ALARM SYSTEMS A. Voice alarm system. 1. An emergency voice alarm communication system will be provided in accordance the proposed local amendments to the International Fire Code. 2. The Fire Command Center (Security) on Level 04 will contain controls for manually activating the voice alarm system throughout the facility. FIRE & LIFE SAFETY REPORT V31063 - Page 20 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 3. The voice alarm/communication system will automatically sound an alert tone followed by voice instructions in accordance with IBC Section 907.2.12.2 and NFPA 72 requirements. The system will be designed and installed to produce between 80 and 110 dB (minimum 15 d6 above ambient) of sound pressure throughout all protected areas. Elevators and stairways are to be provided with manual voice alarm capabilities only. 4. The voice alarm system, will be interconnected with other sound systems (i.e., paging or music) in the protected areas, and will automatically override these systems when activated. The paging and music systems are to be silenced and not captured for simultaneous rebroadcast. B. Audible zones. 1. Fire alarm devices will initiate alarms within the building as outlined within this report. 2. Specific fire alarm devices will initiate a general alarm on the floor of origin, the floor above and the floor below. 3. Speakers within stairwells and elevator cabs will be provided with manual live voice capabilities only. C. Visual signaling appliances will be provided: 1. At all areas where emergency warning systems are provided. 2. In all public rest rooms, public areas, accessible and hearing impaired guest rooms and common use areas. 3. Visual signaling appliances will be UL Standard 1971 listed and meet the requirements of ANSI, ADA and NFPA 72. 4. Visual signaling appliances will operate in unison with the voice alarm system. Visual appliances in accessible units and hearing- impaired guest rooms will operate with either the voice alarm system or by activation of the guest room smoke detector. These appliances will be permanent and connected to the fire alarm system. r FIRE & LIFE SAFETY REPORT V31063 - Page 21 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- D. Fire Department phone jacks will be installed in each exit stair to allow communication between the Fire Command Center and these areas. X. FIRE COMMAND CENTER A. Although the building is not considered a high-rise structure, the building emergency control equipment will be located in a central location designated as the Fire Command Center. The Security office on Level 04 will be used as this designated location. B. A separate annunciator will be provided at the alternate Fire Department response point location (Front Desk). This annunciator will provide an alpha-numeric display of all alarms on the system. C. In addition to the remote annunciator at the Front Desk, the PBX room will also be provided with an annunciator to alert in-house operations. D. Locations of panels in the Fire Command Center will be coordinated by function. E. Annunciation of all active fire protection systems will be provided at the Fire Command Center. The Fire command Center will contain the following features: 1. Annunciators for the fire alarm system. 2. Standby and emergency power status and controls. 3. Public address, voice alarm and fire-fighter's telephone system status and controls. 4. Elevator status and controls. 5. A direct dial telephone. 6. A table for reviewing building plans and schematic diagrams. 7. Fire pump status indicators (if fire pumps are provided). 8. Schematic building plans, including typical floor plans, egress drawings, fire protection systems, smoke control diagrams, fire- fighting equipment and fire department access. 9. Keys to access all portions of the building. FIRE & LIFE SAFETY REPORT V31063 - Page 22 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- F. Detaiis of all annunciation and control panels, including all face plate details and graphics, to be installed within the Fire Command Center will be submitted to the Fire Department for review and approval prior to fabrication and installation. Proposed locations of annunciation and control panels will be submitted for Fire Department review and concurrence prior to any placement of this equipment. Proposed equipment dimensions will also be submitted to the Fire Department for review. XI. SMOKE CONTROL A. Since the building is not considered a high-rise structure, stairs do not serve floors greater than 75-feet above Fire Department vehicle access, and adequate Fire Department access is provided to the site mechanical smoke control and pressurized stairs should not be necessary and is not proposed. B. Air-handling units will be provided with smoke detection and controls for shutdown to prevent the re-circulation of smoke within the building. XII. EMERGENCY POWER A. Emergency generator(s) will be provided and will supply emergency and stand-by power to various systems within the building. B. The emergency generator will supply power to the following life safety systems: 1. Exit illumination. 2. Elevator car lighting. 3. Fire alarm and supervisory systems. 4. Fire detection and supervisory systems. 5. Sprinkler alarm and supervisory systems. 6. All required communication and public address systems. 7. Lighting circuits for elevator lobbies, Security, generator and main switchgear room, and fire pump room. 8. Fire pump, jockey pump and fire pump controller/status panels. FIRE & LIFE SAFETY REPORT V31063 - Page 23 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- 9. Toilet exhaust fans. 10. Elevators (at least one car at a time in each bank). 11. Elevator machine room HVAC system. C. Other loads connected to the generator will comply with NEC 700.5 (a) and (b). D. Transfer Time. 1. 10 seconds for items 1 through 8 above. 2. 60 seconds to full power for items 9 through 11. E. Fuel for the generator will provide at least a 2-hour fuel supply. Fuel storage arrangements will be in accordance with International Building and Fire Codes. Diesel fuel storage, if provided, within buildings in excess of 240 gallons will require the room(s) utilized for that storage to be considered a H-3 occupancy. XIII. ELEVATORS A. Standby power will be provided for one elevator car in each bank of the building and will be automatically as well as manually transferable to any other elevator in the bank B. Shaft Protection. 1. All elevator hoistways will be of 2-hour construction. 2. All elevator doors will provide 1-1/2 hour opening protection. C. Hoistway Venting. 1. Elevator shafts that extend through more than three floors will be provided with vents. 2. The vent area will be at least 3.5% of the shaft area with at least 3 square feet per elevator. 3. Each hoistway will be vented independently of other hoistways. 4. Hoistways will not be vented through the elevator machine rooms. FIRE & LIFE SAFETY REPORT V31063 - Page 24 FOUR SEASONS HOTEL February 24, 2005 VAIL, COLORADO -DRAFT- D. Elevator Lobbies. 1. Where elevators open onto rated exit corridors, fire resistive elevator lobbies will be provided or smoke tight doors will be provided immediately in front of the elevator cab opening to provide the required corridor protection. Elevator lobby walls will extend from slab to slab and will provide a fire-resistance rating equal to the rating of the corridor. 2. All elevator lobby doors will be 20-minute fire-rated smoke and draft assemblies and will be held open by magnetic door releases actuated by smoke detection. 3. Each elevator lobby will be provided with area smoke detector(s) installed within its/their listing(s). 4. Combination fire/smoke dampers will be installed on all ducts that penetrate lobby walls. E. Activation of an elevator lobby, elevator machine room, or top of elevator hoistway smoke detector, will cause automatic recall of all elevators serving that bank to return nonstop to the main floor (Level 05). This will occur under either primary or secondary power. Manual control for elevator recall will also be provided. If the Level 05 elevator lobby detector activates, elevator recall will be to the alternate floor (Level 02) or as designated by the Fire Department. F. ManualOverrides. 1. A 3-position (on/off/bypass) key-operated switch will be provided at grade level for each bank of elevators for emergency override. 2. A 3-position (on/off/hold) key-operated switch will be provided inside each elevator cab. 3. Elevator keys will be provided for Fire Department use in case of emergency in a key box in the Fire Command Center. G. Fire and Emergency Elevator. 1. One main service elevator will access all levels and be available for fire and emergency use. 2. The controls will be designed so that key switches at the first floor elevator vestibule will recall the elevator to the main floor.