B08_Attach_1B_Fire_Suppression_Specs_21_05_00.pdf
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Attach 1B Fire Suppression Specs
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Katmai National Park & Preserve
PMIS 245181A
Reinstall Fire Sprinkler Systems in NPS King Salmon FAA Permanent Housing
21 05 00 - 1
SECTION 21 05 00 – COMMON WORK RESULTS FOR FIRE SUPPRESSION
PART 1 - GENERAL
1.1 SECTION INCLUDES
A. Wet Pipe Sprinkler System.
B. System Design, Materials, Installation, and Certification.
C. System Supervision Alarms.
1.2 SCOPE DESCRIPTION
A. Location: This project is located in King Salmon FAA Housing Complex in housing owned by the National Park Service, Katmai National Park & Preserve.
For contracting information call James Bowers (907) 644-3307
B. The work consists of providing an NFPA 13D fire sprinkler system in five single family homes and two duplexes. All five of the single family homes (Facility numbers QFAA139, QFAA150, QFAA158, QFAA161, QFAA164) share a common floor plan or mirrored floor plan and have two floors, a crawl space, and a single car attached garage. The two duplexes (Facility numbers QFAA142, QFAA143, QFAA162, QFAA163) have the same floor plan with two floors and a single car garage for each of the four housing units in the two duplexes. See provided exhibit floor plans for building architectural layouts.
C. The housing units have existing sprinkler systems that have been abandoned due to freezing of the piping in the attics. The existing piping in the dwelling units will be abandoned in place except for the mechanical rooms where all remaining piping will be removed and reconfigured. Provide new flow switches, pressure gauges, and test and drain valves. Demolish existing RPZ devices.
D. The existing electric alarm bells may be reused. Test all alarm bells and advise the contracting officer of any deficiencies.
E. Provide a complete wet automatic fire sprinkler system, hydraulically calculated to protect each entire facility, complete and in operating order. This fire protection system shall be in compliance with the contract documents, applicable codes and standards, as well as the Authority having jurisdiction.
Sprinklers shall be installed throughout the building according to the NFPA 13D standard, except that the garages shall be included for sprinkler coverage.
1.3 DEFINITIONS
21 05 00 - 2
A. The authority having jurisdiction (AHJ) for fire protection is the National Park Service Alaska Regional Structural Fire Management Officer.
B. The term “COR” as used within this specification refers to the Contracting Office Technical Representative.
C. The term “Contractor” as used within this specification refers to the fire sprinkler contractor and all plumbing, electrical, and fire alarm subcontractors
1.4 SPECIAL REQUIREMENTS
A. No piping shall be routed above electrical panels in compliance with the NEC.
B. Provide valve supervision and water flow alarms and trouble signal monitoring system and shall automatically transmit to an approved station in accordance with the International Fire Code.
C. The NICET or PE individual responsible for the design may visit the site to determine the existing conditions prior to preparing the shop drawings.
D. All work including, but not limited to, architectural, mechanical, electrical and structural shall be performed with extreme care to avoid damage to existing materials to remain or materials to be removed and reinstalled. Where “hot work” (open flame, grinding, welding, brazing, smelting) is required the Contractor shall apply for, and have on site at all times, a valid National Park Service hot work permit.
1.5 CODES AND STANDARDS
A. NFPA 70 – National Electrical Code (2014 edition)
B. NFPA 72 –National Fire Alarm and Signaling Code (2010 Edition)
C. Uniform Plumbing Code (2009 Edition)
D. International Mechanical Code (2009 Edition)
E. International Fire Code (2009 Edition)
F. NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-
Family Dwellings and Manufactured Homes (2010 Edition)
G. NFPA 25 Water-Based Fire Protection Systems, latest adopted edition.
1.6 QUALITY ASSURANCE
A. Unless otherwise noted, this is substantially a "performance" specification.
21 05 00 - 3
B. Minimum qualifications of the contractor/subcontractor shall include the following:
1. Specialist Firm: Company specializing in automatic fire protection/sprinkler systems, possessing a minimum of five years’ experience with systems similar in nature to the type specified herein.
2. Design Certification: Shop drawings shall be prepared by a person with a minimum certification of level II designer, supervised by a Licensed Professional Engineer or a level III or IV Fire Sprinkler Designer, certified by the National Institute for Certification in Engineering Technologies (NICET), in Fire Protection Engineering Technology Automatic Fire Sprinkler System Layout.
3. Equipment and components: Bear the "UL" label or the "FM" approval marking.
4. Maintain a complete stock of replacement parts.
5. Remain on 24 hour call for emergency service.
6. Maintain an office and telephone, with authorized representatives of the Fire Protection Contractor's firm, including the Designated Project Mechanical Sprinkler Supervisor, with a physical presence and address in Alaska.
7. Bids of wholesalers, contractor or any firm whose principal business is not that of manufacturing and/or installing fire protection systems is not acceptable.
1.7 SUBMITTALS
A. The AHJ shall review and "accept/reject" or take other appropriate action on the
Contractor's submittals including shop drawings, samples, documentation, and as built drawings. This review is to verify conformance to project specifications and design concepts expressed in the contract documents. The AHJ is allotted 10 working days to review and approve/reject each submittal.
B. Submit contractor’s qualifications, proof of 5 years’ experience under this contractor's firm name, and references for at least 5 projects in Alaska of similar type, size, and complexity.
C. Submit a copy of designer's NICET certification and resume', or Alaska P.E.
license number.
21 05 00 - 4
D. Submit shop drawings and hydraulic calculations to the COR for review. These sets must include the NICET certification or stamp of a licensed professional engineer as described above.
E. Submit all written reviews and contractor responses to reviews to the COR.
F. Submit product data, and sprinkler head layout. Sprinkler head layout shall be reviewed by the COR. All other approvals shall be secured prior to materials fabrication. Additional sprinklers as required shall be added at no additional cost to the contract.
G. Shop Drawings shall include the following information in compliance with NFPA
13D:
1. Name of Owner, occupant and Building Permit Number.
2. Location, including street address and legal description.
3. Point of compass.
4. Fire Department Connections.
5. All necessary controlling equipment.
6. Location of water source, type, routing, depth of bury and size of supply piping. Identify location and size of main and whether it is dead-end or circulating loop, and distance to the fire pump.
7. All distribution system piping and outlets. Include pipe and fitting types.
8. Reflected ceiling plan showing ceiling heights, construction type, proposed location and type of sprinkler heads, and other ceiling devices such as HVAC diffusers, loud speakers, type and location of light fixtures, etc.
9. Interference control between sprinkler system and other trades.
10. Full height cross section.
11. Location of partitions. Identification of full height walls and draft stops.
12. Location and size of unsprinklered concealed spaces.
13. Identification of unheated areas.
14. Make, model, Type, orifice, finish and Temperature rating of sprinklers and their respective locations.
21 05 00 - 5
15. On systems that are hydraulically calculated, indicate the square footage area protected by each system.
16. Hydraulic node points.
17. Make, model, and size of all fire protection control valves, alarm valves, pumps, controllers, and related equipment, and check valves.
18. Identify low point drain and inspector test stations.
19. Indicate the type and location of all piping hangers and equipment supports.
20. Indicate the type and location of all seismic bracing and restraint.
21. Make, model, size, and locations of all pipe couplings, fittings and flanges.
22. Make, model, size, power requirement, and location of alarm bells, buzzers, detectors, and/or alarm panels.
23. Make, model, size, and configuration of fire pump as well as its installation into the system.
24. Provisions for flushing.
25. Name, address and telephone number of the contractor. If design is by a separate firm, include the name address and telephone number of the design facility.
26. Complete legend of all abbreviations and symbols indicated.
27. Complete schedule of all room occupancies.
28. Location of all unit heaters.
29. Location of all structural penetrations.
30. Note the location of all "exposed" piping.
31. Valve Supervision Alarm:
a. Make and model on all supervisory switches, alarm and monitoring panel.
b. Shop drawing and wire diagram of alarm system.
c. Location of alarm annunciator, or remote monitoring method to be utilized for offsite monitoring.
21 05 00 - 6
1.8 MAINTENANCE INFORMATION AND RECORD DRAWINGS
A. Prepare and submit two sets of record shop drawings, product data, and hydraulic calculations reflecting final as-built conditions at completion of project, but before final acceptance of the work. These documents shall be prepared in accordance with the requirements for the initial submittal. Freehand sketches or markup documents are not acceptable.
B. Include step by step instructions to place the fire protection system in service as well as to take it out of service. Provide complete maintenance information of all primary fire protection equipment, including valves, fittings, and sprinklers.
Identify equipment indicating whether devices are replacement items or repairable. Provide parts list and suppliers for repairable items. Include complete detailed "Record Drawings" and record calculations of the fire protection sprinkler system.
C. Furnish 1 set of instruction manuals containing complete operation and maintenance instructions for the specific make and model of check valves, control valves, water-flow switches, valve supervisory switches, control panels, and other components supplied. Include maintenance data relative to components of the system, servicing requirements, inspection data, replacement part numbers and availability, and location and numbers of the service depot.
D. Install one copy of the record hydraulic calculations and shop drawings in a metal sleeve box on the wall near the fire sprinkler riser.
E. Provide 1 original copy of NFPA 25 in each O&M manual.
F. The contractor shall maintain current and up-to-date "Record Drawings" of the fire protection system at the job site. Significant changes in piping due to onsite coordination with other trades will require recalculation to confirm adequate pipe sizing.
1.9 REVIEWS, APPROVALS, AND PERMITS
A. Obtain written review and/or approval of the entire fire protection system design and arrangement from the following authorities:
1. National Park Service Contracting Officer and his/her representatives
B. Comply with all review comments, revising the system design as required, and resubmitting in a timely manner, so as not to hinder the construction schedule.
21 05 00 - 7
C. Obtain and pay for all required permits, inspections, tests, and approvals as required by authorities having jurisdiction.
1.10 WATER FLOW INFORMATION, HYDRAULIC CALCULATIONS, SEISMIC
CALCULATIONS
A. An existing 15 HP electric fire pump serves the system from in the water treatment facility. See attached exhibit drawing. The pump capacity is not indicated on the pump.
B. Perform an annual inspection and test of the fire pump as required by NFPA 25.
Report any deficiencies to the COR. Determine actual flow capacity of this fire pump during this testing.
C. Hydraulic Calculations shall be accomplished in compliance with the procedures established in NFPA 13D. In addition to minimum NFPA 13D standards, a minimum 10% pressure buffer is required to be designed into the system.
D. Hydraulic Calculations accomplished by computer program for submittal shall be accompanied by a complete legend of the abbreviations, nodes, and symbols utilized on the computer readout.
E. Hydraulic Calculations shall clearly identify the following:
1. System type, sprinkler "K" factor, and "C" factor.
2. Pipe and fittings type.
3. Fitting Equivalent Length chart which complies with the "C" factor and pipe type.
4. NFPA hazard designation, Design Density and size of the Design Remote Area.
5. The Elevation of the "highest" sprinkler.
6. The available water supply and system demand at the point of connection to the water supply, indicated on a logarithmic graph. Include hose demands.
F. Seismic Calculations shall clearly identify the following:
1. Type, length and size of brace.
2. Angle allowed of brace.
21 05 00 - 8
3. Maximum horizontal load of brace.
4. Brace attachment to structure and load rating.
5. Brace attachment to pipe and load rating.
6. Calculated load to be braced.
1.11 COORDINATION REQUIRED
A. The contractor shall examine the structural, architectural, mechanical, electrical and all other drawings relating to the building and plan his work accordingly. He shall check and verify all dimensions at the site before fabricating any portion of the system. Any discrepancies in piping and head locations resulting from failure to do so shall be corrected expeditiously to provide proper coordination of all trades.
B. Coordinate work with that of other trades to ensure that adequate space is provided for all work, including requirements for serviceability and accessibility.
Locate sprinkler heads to avoid conflict with light fixtures and other installed equipment.
C. Structural penetrations for piping shall be identified and details of those penetrations shall be submitted to an approved structural engineer for approval, in a timely manner. Structural members which are damaged cut or penetrated without approval shall be replaced at no additional expense to the Owner.
D. Wet pipe sprinkler system piping in residential occupancies shall be designed to locate all wet pipe within the thermal "envelope" and vapor barrier of the building. Absolutely no wet pipe shall be routed in cold attic areas. Wet pipe sprinkler system piping shall not be routed in exterior walls. Piping shall be concealed in interior areas and below ceilings with a pre-manufactured modular soffit cover system or a gypsum board soffit manufactured on site and finished to match existing wall finishes.
1.12 MATERIALS HANDLING AND STORAGE
A. Deliver, store, protect, and handle products to the site to prevent damage.
Deliver and store valves in manufacturer packaging with labeling in place. Prior to installation, piping onsite shall be wrapped with protective wrapping. Valves, piping, materials, and equipment shall be clean and new when system is accepted by the Owner.
B. All stored pipe shall be supported of the ground at all times.
C. All products shall be stored in an interior location protected from weather and theft. The storage location must meet the approval of the Contracting Officer.
21 05 00 - 9
PART 2 - PRODUCTS
2.1 GENERAL
A. Provide only new materials and equipment, which are standard products of a manufacturer regularly engaged in the manufacture of fire protection equipment.
B. All products shall bear the "UL" label or "FM" listing and be specifically approved for fire protection application where they are used.
C. Products shall be of domestic origin and manufacture.
2.2 PIPING
A. Wet Pipe Sprinkler Systems:
1. Black steel piping, ASTM A135 schedule 10 or ASTM A795 schedule 40, UL Listed or FM Approved for fire sprinkler service.
2. Piping may be roll-grooved, threaded, flanged, or welded for connection.
All threaded pipe shall be schedule 40. No plain-end piping fitting connections are allowed.
3. CPVC plastic piping may be utilized in compliance with the material listing and the manufacturers recommended installation practices.
B. All piping between the fire protection system connection to the potable water supply and the fire protection backflow prevention device shall be Galvanized piping.
C. CPVC: Fitting shall be same manufacture as piping, CPVC ASTM F438 schedule 40 for up to 1-1/2 inches, CPVC ASTM F439 schedule 80 for 2 inch and over. Solvent by same manufacture as piping and fittings and as required to meet listing requirements.
2.3 GROOVED FITTINGS, COUPLINGS, AND MECHANICAL TEES
A. Grooved Fittings shall be Victaulic, Gruvlok, or equal. Galvanized fittings shall accompany galvanized piping. Couplings and mechanical tees shall be standard painted Victaulic, Gruvlok, or equal.
B. Slip-Fit fittings and couplings utilized for joining branch piping to new main piping shall not be allowed.
C. Contractor shall follow the manufacturer's suggested methods to prepare, carefully, the ends for these fittings to prevent leakage or system breakdown.
21 05 00 - 10
PMIS 218498
2.4 THREADED PIPE FITTINGS
A. Threaded pipe fitting for this system shall be cast iron 125# ANSI B16.4 or malleable iron 150# ANSI B16.3.
B. CPVC: Fitting shall be same manufacture as piping, CPVC ASTM F438 schedule 40 for up to 1-1/2 inches, CPVC ASTM F439 schedule 80 for 2 inch and over. Solvent by same manufacture as piping and fittings and as required to meet listing requirements.
2.5 PIPE FLANGES
A. Pipe flanges for this system shall be Cast Iron Class 125# ANSI B16.5.
2.6 PIPING HANGERS AND SUPPORTS
A. Pipe hangers shall conform to NFPA 13 standards.
2.7 FLEXIBLE SPRINKLER HOSE FITTINGS
A. FM approved and UL listed for use in fire protection service.
B. Seismically qualified for use pursuant to ICC-ES AC-156 Acceptance Criteria for Seismic Qualification by Shake-Table Testing of Nonstructural Components and Systems.
C. Composition: 100% Type 304 Stainless Steel. 175 or 300 PSI minimum rated pressure as appropriate for installed system.
D. Fully welded non-mechanical fittings, braided, leak-tested with minimum 1 inch true-bore internal corrugated hose diameter.
E. Ceiling bracket of G90 galvanized steel with snap-on clip ends positively attached to the ceiling using tamper-resistant screws. Flexible hose attachment shall be removable hub type with set screw.
2.8 ACCEPTABLE MANUFACTURERS FIRE PROTECTION VALVES AND
EQUIPMENT
A. Reliable.
B. Tyco.
C. Potter Electric.
D. Notifier.
E. Victaulic.
21 05 00 - 11
F. Potter Roemer.
G. Croker.
H. Viking.
2.9 VALVES AND ALARMS ASSEMBLIES
A. Fire Protection Valves:
1. Control Valves: All Fire protection system control valves shall be supervised with switches compatible with the fire alarm system.
a. OS&Y Gate Valves: Minimum working pressure 175 PSI non-shock cold water. UL listed for fire protection Victaulic Series 771 or equal.
b. Butterfly Valves: UL listed for fire protection 175 PSI non-shock cold water, with integrated supervisory switch. Grooved, threaded, or wafer type acceptable. Victaulic Firelock Series 705 or 707 or equal.
c. Swing Check Valves: UL listed for fire protection 175 PSI non-shock cold water, ductile iron body, stainless steel clapper assembly.
Grooved, flanged, or wafer type acceptable. Victaulic Firelock Series 717 or equal.
B. Wet Pipe Sprinkler Systems:
1. Alarm Check Valve Assemblies.
a. Provide sprinkler alarm valve assemblies, appropriate to the system, complete with all trimmings and accessories for proper alarm initiation and interface with fire alarm system. Include inlet and outlet pressure gauges, and main drain with discharge to the outside.
2. Water Flow Detectors:
a. Provide water flow detectors installed at each system or zone control and for the main system header for multiple zone systems. Potter Electric, model VSR-F.
2.10 SPRINKLERS
A. Provide sprinklers as required by NFPA 13 standards and in compliance with the IBC chapter 9 for the entire project. Sprinkler finish and style as follows:
1. In all areas with surface mounted light fixtures attached to finished suspended ceilings, provide standard spray pendant sprinklers, and
21 05 00 - 12 extended escutcheons to position the sprinkler deflector below the light fixture. Sprinklers and escutcheons to be chrome finish. Tyco TY-FRB or equal.
2. In all areas with recessed lighting flush to the suspended ceiling finish, provide recessed standard spray pendant sprinklers. Sprinklers and escutcheons to be chrome [white] finish. Tyco TY-FRB or equal.
3. Sprinklers above ceilings and throughout shop and mechanical service areas shall be bronze finish, standard spray, upright or pendant type as required by the drawings.
4. Sidewall sprinklers shall be bronze finish in all service areas, and chrome throughout all finished areas.
5. Dry pendant sprinklers protecting entry vestibules and outside overhangs shall be chrome finish Tyco DS-1 recessed or equal. Dry pendant sprinklers protecting unheated areas and piped from wet pipe systems shall have an "A Length" dimension of not less than 18".
6. Sprinkler Guards shall be of the same manufacturer and finish as the sprinkler which they are to be installed on. Red guards are acceptable for bronze sprinklers only. Chrome finish guards are required for chrome sprinkler heads.
7. Sprinklers in all living units of IBC type R occupancies shall be Residential sprinklers. Tyco LFII or equal. Chrome finish.
8. Sprinklers of correct temperature rating shall be installed according to
NFPA 13D.
9. Provide sprinkler wrenches for each type of sprinkler.
10. Spare sprinkler cabinet to be red sheet steel manufactured by the same company that made the sprinklers. Size the cabinet in accordance with NFPA 13 standards. Provide sprinklers for the cabinet representative of the assortment provided for the system. Mount cabinet on the wall within 60" of the sprinkler control riser.
2.11 PIPING COVER SYSTEM
A. Modular, snap-fit cover units, clips, and anchors, which, once assembled, render the cover essentially irremovable with the use of ordinary tools.
B. System shall be UL Listed and/or have Factory Mutual approval for use with CPVC piping systems.
C. Cover Units shall be constructed of “L” or “U” profiles for sidewall and pendent installations, respectively, and:
21 05 00 - 13
1. Flame-retardant resin meeting the following requirements:
a. Minimum surface burning characteristics when tested in accordance With ASTM E 84:
1) Flame spread- 20
2) Smoke developed: 250.
b. Paintable finish.
2. Alternatively, cover units may be formed of minimum 24 gauge steel meeting the following requirements:
a. Factory painted with epoxy polyester hybrid powder coating.
b. Minimum 24 Gauge galvanized/galvannealed steel.
D. Color to be selected by Contracting Officer from full line of Manufacturer’s offerings. Matching touch-up paint shall be supplied by manufacturer.
E. Couplings and Fittings:
1. Provide coupling fittings for joining units end to end and prefabricated inside and outside corner fittings and end caps.
2. Provide sidewall sprinkler head housing accommodating NFPA 13 4-inch drop assembly requirements.
3. Provide all accessories, including end-caps, wall flanges, couplings, and other items which may be necessary to complete the system, and shall be installed in accordance with manufacturer recommendations.
F. Clips and Hangers:
1. Provide manufacturer’s mounting clips to secure covers to wall and/or ceiling.
2. Utilize Pipe hangers from cover system manufacturer, UL listed for such an installation. Pipe hangers from other than the cover system manufacturer may only be used if manufacturer recommends use of alternate supplier’s hanger product
PART 3 - EXECUTION
3.1 CONTRACTOR COORDINATION
A. The fire protection contractor shall coordinate his work with the work of all other trades to assure timely installation and efficient use of mechanical areas including but not limited to boiler rooms, fan rooms, and ceiling spaces.
B. Any work installed without proper coordination shall be promptly removed and reinstalled in a manner to allow for a good practical arrangement of all items which need to be installed by all crafts involved.
21 05 00 - 14
C. In case of coordination dispute, the Contracting Officer shall be consulted and his decision shall be binding.
D. All costs associated with coordination and arranging or rearranging of the fire protection system shall be borne by the affected contractor, without causing any additional expense to the government.
3.2 PIPING INSTALLATION
A. Install piping to conserve building space and route piping around access panels and openings. Piping shall not restrict any access opening.
B. Install low point drain stations in accordance with NFPA 13 standards. Identify the location of drain and test stations with signs on access panels, ceiling panels, or walls adjacent to the station, visible from the floor. Discharge all test pipes and system main drain to outside. Coordinate discharge point with the
COR.
C. Provide seismic protection for the piping system in accordance with NFPA 13 standards. Attach bracing to structure with through bolts, washers, and nuts.
Provide clearance at all structural penetrations. Provide oversized escutcheon plates or flexible connections where sprinklers penetrate non-frangible ceiling membranes.
D. Piping shall be concealed in all areas within the building finishes by a modular soffit system. No exposed piping is allowed in finished spaces. All penetrations where exposed piping is allowed shall be patched with an approved fire stop material and include an escutcheon ring.
E. Piping routed in modular soffit systems shall be located at the corners of rooms and shall not be routed across a ceiling or wall away from a corner. Vertical piping shall be concealed in little used rooms such as closets, storage rooms, and mechanical spaces.
F. Pipe penetrations through rated fire walls shall be sealed by a "UL" listed system utilizing fire rated caulking. Submit data under paragraph 1.9 (Submittals) of this specification.
G. When piping is supported from manufactured structural members, the
Installation of pipe hangers shall comply with truss manufacturer's recommendations for hanger attachments and loading.
H. When pipe hangers are attached to bar joist with wood top and bottom chords, chords shall be predrilled for fasteners, and fasteners shall maintain a minimum distance of 0'-6" from truss "panel points".
I. All Trapeze members shall be fastened to truss chords or structural members.
21 05 00 - 15
J. Installation of all valves and equipment shall comply with manufacturer's suggested installation practices and directions.
K. Provide service access around all equipment.
L. Caution signs shall be attached to all valves controlling sprinkler systems. The caution sign shall be worded as follows:
“This valve controls fire protection equipment. Do not close until after the fire has been extinguished.”
3.3 SYSTEM TEST
A. Hydrostatically test the entire system in accordance with NFPA 13 standards.
Leaks in piping shall be immediately corrected. On threaded piping, tighten joints. If necessary, dismantle and replace section. Caulking or stop-leak compounds will not be permitted.
B. Test all system alarm actuations and alarms.
C. Perform main drain test.
D. The Contractor shall hydraulically and mechanically pretest all provided components in accordance with NFPA 13D acceptance test protocols to ensure proper installation and operations prior to scheduling the AHJ system acceptance test.
E. All acceptance testing performed by the Contractor shall be conducted in the presence of the AHJ or his designated representative, and other representatives at the option of the NPS. All persons concerned shall be notified two weeks in advance of the tests in order to arrange attendance at the tests.
F. If reacceptance test is required; the contractor is responsible for all related costs.
3.4 PROJECT CLOSEOUT
A. Furnish Written Guarantee to the contracting officer, that materials installations are free from mechanical defects and guaranteeing to replace and repair any and all unsatisfactory and defective work and items, to the satisfaction of the contracting officer, in a timely manner, for a period of one year after final acceptance of the building by the contracting officer, and to be responsible for any damage caused to the premises for any such unsatisfactory work.
B. The contractor shall respond within a reasonable time, not to exceed 15 days to repair or replace latent or hidden defects at such time as they are discovered.
21 05 00 - 16
C. Provide hydraulic placard on system riser.
D. Post the results of the original main drain test and date performed on the system riser in a permanent fashion.
E. Contractor shall fully train the Owner's designated maintenance engineer in the operation and maintenance of the entire fire protection system.
END OF SECTION
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