SPECIFICATIONS VOL 2.pdf

(21-28)

Dec 1, 2025 Project No. 1803117

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Table of Contents 000110

PROJECT MANUAL

TABLE OF CONTENTS

INTRODUCTORY INFORMATION

Cover Page

Section 000110 Table of Contents

VOLUME 1

DIVISION 01 - GENERAL REQUIREMENTS

Section 010000 Supplementary Conditions for Construction

Section 013250 BIM Requirements

Section 013526 Special Safety Requirements

Section 017419 Construction Waste Management

Section 017823 Operation and Maintenance Data Requirements

Section 018119 Construction Indoor Air Quality Requirements

Section 019113 Commissioning

DIVISION 02 - EXISTING CONDITIONS

Section 024100 Demolition

Section 028200 Asbestos Abatement

Section 028300 Work Activities Impacting Lead Containing Materials

DIVISION 03 - CONCRETE

Section 033000 Cast-in-Place Concrete

Section 033546 Concrete Topical Treatments

DIVISION 04 - MASONRY

Section 042000 Unit Masonry

DIVISION 05 - METALS

Section 051200 Structural Steel Framing

Section 055000 Metal Fabrications

Section 055119 Metal Grating Stairs

Section 055213 Pipe and Tube Railings

Section 055300 Metal Grating

DIVISION 06 - WOOD, PLASTICS AND COMPOSITES

Section 061000 Rough Carpentry

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DIVISION 07 - THERMAL AND MOISTURE PROTECTION

Section 070150 Preparation for Reroofing

Section 071400 Fluid-Applied Waterproofing

Section 076200 Sheet Metal Flashing and Trim

Section 078100 Sprayed Fire-Resistant Materials

Section 078413 Penetration Firestopping

Section 078440 Fire-Resistive Joint Systems

Section 079200 Joint Sealants

Section 079500 Expansion Control

DIVISION 08 - OPENINGS

Section 081110 Hollow Metal Doors and Frames

Section 083110 Access Doors and Frames

Section 087100 Door Hardware

Section 089000 Louvers and Vents

DIVISION 09 - FINISHES

Section 090129 Plaster Patching and Repairs

Section 092110 Gypsum Board Assemblies

Section 092120 Gypsum Board Shaft-Wall Assemblies

Section 095100 Acoustical Ceilings

Section 096513 Resilient Wall Base and Accessories

Section 096613 Precast Terrazzo

Section 097500 Stone Facing

Section 099000 Painting and Coating

DIVISION 10 - SPECIALTIES

Section 101400 Signage

Section 102610 Corner Guards

Section 104400 Fire Extinguishers, Cabinets, and Accessories

Section 108213 Exterior Roof Screens

VOLUME 2

DIVISION 21 - FIRE SUPPRESSION

Section 211313 Wet Pipe Sprinkler Systems

Section 211316 Dry Pipe & Preaction Sprinkler Systems

DIVISION 22 - PLUMBING

Section 220000 Plumbing

DIVISION 23 - HEATING VENTILATING AND AIR CONDITIONING

Section 230000 General Provisions

Section 230500 Demolition and Removals

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Section 230513 Motors and Starters

Section 230523 Pipe, Valves and Fittings

Section 230548 Equipment Bases and Vibration Control

Section 230593 Testing, Adjusting and Balancing

Section 230700 Insulation

Section 230923 Controls and Instrumentation

Section 232000 Pumping Equipment

Section 233000 Ductwork and Air Outlets

Section 237000 Air Handling and Treatment

Section 238129 Variable Flow Refrigerant Systems

DIVISION 26 - ELECTRICAL

Section 260000 General Provisions

Section 260050 Demolition and Removals

Section 260500 Basic Materials

Section 260548 Electrical Vibration and Noise Control

Section 260550 Electronic Submetering System

Section 262200 Dry Type Transformers

Section 262413 Switchboards

Section 262416 Panel Boards

Section 262800 Low-Voltage Circuit Protective Devices

Section 263200 Emergency Power System

Section 263623 Automatic Transfer Switch

Section 264313 Surge Protection Devices

Section 265000 Service Lighting

DIVISION 27 - COMMUNICATIONS

Section 270528 Telecommunication and Data Wiring System

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

Section 283111 Addressable Fire Alarm Systems

APPENDIX A – HAZMAT REPORTS

AM&A Bulk Sampling and Polarized Light Microscopy Report Dated June 16, 2009

AM&A Assessment of Asbestos Dated August 13, 2009

ECS Asbestos Containing Materials Survey Dated April 18, 2025

ECS Limited Hazardous Material Survey Dated Feb 2, 2022

F&R Asbestos Containing Materials Survey Report Dated Jan 24, 2019

END OF TABLE OF CONTENTS

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SI NMAH Install Emergency Generator Wet Sprinkler System 211313

SECTION 211313

WET PIPE SPRINKLER SYSTEMS

PART 1 - GENERAL

1.01 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

B. The following sections apply to the work of this section:

1. General and Special Conditions

2. Division 1: Submittals

3. Division 7: Firestopping

4. Division 9: Painting

5. Division 23: General Provisions

6. Division 28: Addressable Fire Alarm Systems C. In the NFPA publications referred to herein, the advisory provisions shall be considered mandatory, as though the word “shall’ had been substituted for “should”, wherever it happens.

1.02 SUMMARY

A. Scope: The contract drawings are conceptual. This work includes designing and modifying the existing automatic wet-pipe fire extinguishing sprinkler system, and associated equipment, ready for operation. The system shall include all piping, fittings, valves, supports, cabinets, gauges, and all other accessories and miscellaneous items required for a complete operating system even though each item is not specifically mentioned or described.

B. Existing Sprinkler Equipment: Existing sprinkler equipment shall be maintained fully operational until the new equipment has been tested and accepted by the COTR and OSHEM fire protection engineer. After acceptance of the new equipment, all existing equipment so indicated shall be removed.

1.03 DEFINITIONS

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A. AHJ: Authority Having Juridiction. Any reference in the specifications or applicable codes to the “authority having jurisdiction” shall be interpreted to mean the OSHEM Fire Protection Engineer.

B. COTR: Contracting Officer Technical Representative C. Designer: The person or persons responsible for the development of fire sprinkler system plans and specifications.

D. EoR: Engineer of Record E. Fire Sprinkler Contractor: Any company with the qualified experience and personnel as laid out in Section 1.10 to complete fire sprinkler system installation work.

F. FM: FM Global (Factory Mutual) G. FPE: Fire Protection Engineer

H. Furnish: To supply the stated equipment or materials I. Install: To set in position and connect or adjust for use J. Installer: The person or persons working on the piping, fittings, and all other equipment associated with the fire sprinkler system.

K. NFPA: National Fire Protection Association L. NICET: National Institute for Certification in Engineering Technologies

M. OSHEM: Office of Safety Health and Environmental Management N. Provide: To furnish and install the stated equipment or materials O. Quality Control Personnel: The person or persons responsible inspection and quality control activities associated with the fire sprinkler system.

P. Remove: To disconnect, remove from site, and legally dispose.

Q. UL: Underwriters Laboratories

1.04 SYSTEM DESCRIPTION:

A. The design shall conform to NFPA 13 and the requirements specified herein. Design of the automatic wet pipe sprinkler system shall be for Ordinary Hazard II occupancy by hydraulic calculation. The design, equipment, materials, installation, workmanship, examination, inspection and testing shall be in strict accordance with NFPA 13, except as modified herein.

B. The system shall include all materials, accessories, and equipment inside and outside the building to provide a system complete and ready for use.

1.05 PERFORMANCE REQUIREMENTS

A. Water Distribution: Distribution shall be uniform throughout the area which it is assumed the sprinkler heads will open. Variation in discharge from individual heads in the hydraulically most remote area shall be between 100 and 120 percent of the specified density.

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B. Design and provide each system giving full consideration to obstructions, blind spaces, piping, electrical equipment, duct work and other construction and equipment in accordance with detailed drawings to be submitted for approval.

C. Piping Restrictions: Piping is prohibited in the following areas, except when solely supplying sprinklers in such areas:

1. Transformer, switchgear, or similar rooms

2. Elevator machine rooms and elevator shafts.

3. IT Computer spaces (mission critical).

4. Collection storage rooms.

5. Audio/Visual server rooms

6. OPS equipment and operations rooms

D. Clearance From Electrical Equipment: Piping and automatic sprinklers are prohibited directly over:

1. Transformers.

2. Substations.

3. Switchboards.

4. Motor control centers.

5. Emergency generators.

6. Bus Ducts.

7. Electrical panels.

8. Server Racks

E. If installing pipe over electrical equipment is unavoidable, provide drip pans under piping to protect electrical equipment.

F. Sprinkler systems shall be designed for earthquake protection in accordance with the requirements and recommendations of NFPA 13.

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G. Location of Sprinkler Heads:

1. Heads in relation to the ceiling and the spacing of sprinkler heads shall not exceed their listed area of coverage for Ordinary Hazard II.

2. Uniformly space sprinklers on the branch piping.

3. Locate sprinkler heads in a consistent pattern with ceiling grid, lights, and supply air diffusers.

H. Sprinkler Discharge Area: The sprinkler discharge area shall be the hydraulically most remote areas as defined in NFPA 13. Remote area reductions permitted per NFPA 13 shall not apply.

I. Hose Allowances: System design shall include an allowance of 100 gpm (6.31 l/s) for inside hose stream, and 250 gpm (15.77 l/s) for total combined inside and outside hose streams, but shall not be less than the allowance required by NFPA 13.

J. Hydraulic Calculations: Hydraulic calculations shall be in conformance with NFPA 13 and the following requirements:

1. Water Supply: The Contractor shall determine the characteristics of the water supply and if necessary, conduct appropriate flow tests at their expense. Provide a copy of the most recent waterflow test with the hydraulic calculations. The water supply test may be no more than 10 months old when used for hydraulic calculations.

2. Margin of Safety: The sprinkler system shall be hydraulically designed so that the total waterflow and pressure demand is at least 10PSI less than the available water flow and pressure at the site.

3. Friction Losses: Calculate losses in piping in accordance with the Hazen-Williams formula with "C" value of 100 for unlined ductile iron piping, 120 for steel piping, 140 for cement-lined ductile-iron piping, 150 for copper tubing and plastic piping.

4. Flow Velocity: Piping shall be sized so that the water flow velocity does not exceed 20 ft/sec (6.1 m/s) at any point in the system during maximum water flow (including inside hose demand). Flow velocity in each pipe segment is to be provided in the calculations.

5. Test Point: Calculations shall be brought back to the flow test point.

1.06 SUBMITTALS

A. The OSHEM Fire Protection Engineer shall review and approve submittals.

B. Before any work is commenced, submit manufacturer's data (with listing or approval), system calculations, water supply data, and complete sets of working drawings.

C. Partial submittals will not be acceptable. Any installation work performed prior to the

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SI NMAH Install Emergency Generator Wet Sprinkler System 211313 approval of the submittal shall be at the Contractor’s own risk.

D. Qualification Data: For Designer and Installer as outlined in Section 1.05 of this Specification.

Specify personnel for each of the roles outlined in Section 1.10 of this Specification.

E. Manufacturers' Data: Annotate descriptive data to show the specific model, type and size of each item the Contractor proposes to furnish. Include data for proper installation of each system including:

1. Pipe, fittings, and specialties

2. Alarm valves

3. Gate and check valves

4. Globe valves

5. Backflow preventers

6. Water motor alarms

7. Sprinkler heads

8. Pressure gauges

9. Pipe hangers and supports

10. Seismic bracing attachments and equipment

11. Pressure and waterflow switches

12. Tamper switches

13. Inspector's test station

14. Retard chamber

15. Ball drip

16. Fire department connections

17. Lubricating compound/PTFE tape.

18. Signs

19. Caps, chains

20. Cabinets

21. Hose valves

22. Air vents

23. Drip pans

F. Shop Drawings: Prepare working drawings, at a minimum in accordance with the requirements for "Working Plans" as specified in NFPA 13.

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1. Shop drawings shall be prepared on a Computer Aided Drafting (CAD) system. Plans shall be not smaller than 24-inches by 36-inches (610 mm by 914 mm), and an electronic PDF file.

2. A scaled site plan, with the location and elevation of the water flow test, shall be provided on the drawings.

3. Drawings are to include isometric diagram of sprinkler risers and feed mains, including all control valves.

4. Drawings shall show coordinated ductwork, cable trays, structural members, and other obstructions.

G. Hydraulic Calculations: Provide hydraulic calculations in conformance with NFPA 13 and the following requirements:

1. Provide a copy of the most recent waterflow test with the hydraulic calculations. The water supply test may be no more than 10 months old when used for hydraulic calculations.

2. Test Point: Calculations shall be brought back to the flow test point.

3. Area of Coverage and Density: The area of coverage and density for each sprinkler shall be provided in the calculations.

4. Equivalent Lengths: The equivalent lengths for all types of fittings and valves used shall be provided.

5. Supply and Demand Graph(s): A graph comparing the water supply and the sprinkler and hose stream demand for each remote area shall be provided. Pressure and flow values for the supply and demand curves are to be provided on N 1.85 graph paper.

H. As-Built (Record) Working Drawings: On a weekly basis the contractor's superintendent shall record as-built conditions on a set of Shop Drawings maintained at the job site. Two sets of Shop Drawings reflecting as-built conditions shall be available prior to and for use during final acceptance. Make all necessary corrections and furnish four complete sets of as-built drawings.

The drawings shall be prepared on uniform sized sheets not less than 24-inches by 36-inches (609 mm by 914 mm). The drawings shall include:

1. As-built locations of all piping and equipment. Floor plans shall be at a scale of not less than 1/8” = 1’-0” (1:100), showing all piping and equipment.

2. All deviations from the project drawings and approved shop drawings. Deviations shall be noted by clouds or other means.

3. If required by OSHEM, the Contractor shall provide hydraulic calculations justifying deviations.

4. Record Drawing Software: Provide three (3) USB drives containing CAD based drawings in DWG, DXF, and PDF format of all as-built drawings and schematics. All as-built submittals shall also be digitally transmitted to the COTR.

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I. Service Manuals and Equipment Descriptions: Thirty days prior to final acceptance, submit the following:

1. Furnish four (4) digital/electronic instruction manuals containing complete operation and maintenance instructions for the specific makes and models of all equipment furnished under this Contract, including but not limited to all items listed in Section 1.09.D of this Specification. Serial numbers and ordering information shall be provided.

2. Provide three (3) USB drives containing the instruction manuals. All information shall also be digitally transmitted to the COTR.

3. Maintenance checklists for equipment.

4. Complete parts list by make, model, number, and manufacturer.

5. Copies of approved submittal materials.

J. Samples: Provide sample concealed sprinkler cover plates for each type specified for approval by the Architect.

K. Certificate of Compliance: Within two weeks of final acceptance, submit completed and signed material and test certificate meeting the requirements of NFPA 13.

1.07 QUALITY ASSURANCE

A. Manufacturers Qualifications: The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only. All publications listed below refer to the most current edition.

1. American Society for Testing and Materials (ASTM) Publications:

a. A53 Pipe, Steel, Black and Hot Dipped, Zinc-Coated, Welded and Seamless

b. A135 Welded and Seamless Steel Pipe

c. A795 Standard Specification for Black and Hot-Dipped Zinc-Coated (Galvanized)

Welded and Seamless Steel Pipe for Fire Protection Use

2. Factory Mutual System (FM) Publications

a. Approval Guide

3. National Fire Protection Association (NFPA) Publications

a. 13 Standard for the Installation of Sprinkler Systems

b. 14 Standard for the Installation of Standpipe and Hose Systems

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c. 70 National Electrical Code

d. 72 National Fire Alarm and Signaling Code

e. 101 Life Safety Code

f. 291 Recommended Practice for Fire Flow Testing and Marking of Hydrants

g. 1963 Standard for Fire Hose Connections

4. International Code Council (ICC)

a. International Building Code

b. Internation Fire Code

5. Underwriters Laboratories, Inc. (UL) Publications:

a. Fire Protection Equipment Directory

6. American Society of Mechanical Engineers (ASME)

a. A17.1 Safety Code for Elevators and Escalators

B. Qualifications of Installer:

1. Installation shall be accomplished by a fire sprinkler contractor with a minimum of five years’ experience in the installation of fire sprinkler systems of comparable size and capacity.

2. Contractor shall have an office, which has been in existence for at least 3 years, within a 75 mile (121 kilometer) radius of the project site.

3. Contractor shall have successfully installed automatic wet pipe fire extinguishing sprinkler systems of at least 200 sprinkler heads each, or there is a firm contractual agreement with a subcontractor having such required experience. These systems shall be the same type and design which have been retrofitted into existing museums and historical buildings as specified herein. Provide the names and locations of at least two installations where the Contractor, or the subcontractor referred to above, has installed such systems. The Contractor shall indicate the type and design of each system and certify that each system has performed satisfactorily in the manner intended for a period of not less than 18 months.

4. Design (including hydraulic calculations) shall be by a NICET Level III or IV Technician (in automatic sprinkler system design) or a Professional Engineer (P.E.), licensed in Fire Protection Engineering. Qualifications of the designer must be submitted to OSHEM for approval in accordance with Section 1.09 of this Specification.

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5. Quality Control Personnel shall be at minimum NICET Level III in automatic sprinkler system design. Personnel shall visit the site bi-weekly to inspect the work installed.

C. Service Organization:

1. The Contractor shall furnish, to the COTR, evidence that there is an experienced and effective service organization which carries a stock of repair parts for the system in order to readily conduct repairs throughout the warranty period. Should the Contractor fail to comply with the service requirements of this section, the Government will then have the option to make the necessary repairs and back charge the Contractor without any loss of warranty or guarantee as provided by the contract documents.

1.10 DELIVERY STORAGE AND HANDLING

A. Deliver products to project site in original, unopened packages with intact and legible manufacturers’ labels identifying product and manufacturer, date of manufacture, and shelf life if applicable.

B. Store materials inside, under cover, above ground, kept dry and protected from physical damage until ready for use. Remove from site and discard wet, corroded, or damaged materials.

C. Keep the interior and ends of all piping affected by Contractor's operations thoroughly clean of water and foreign matter by means of plugs or other approved methods. Inspect piping before placing into position. All pipe, fittings, and gaskets are to be cleaned of oil prior to installation.

D. Automatic sprinklers must be kept in original packaging until they are installed. Loose carrying or storage is not permitted. Loose sprinklers shall be discarded immediately and replaced at Contractor’s expense.

1.11 PROJECT CONDITIONS

A. Interruption of Existing Fire Suppression Sprinkler or Standpipe Service: Interruption of sprinkler or standpipe service to occupied areas will not be permitted when the building is open to the public as defined in Division 1. In non-occupied areas including construction zones, do not interrupt fire suppression sprinkler or standpipe service unless permitted under the following conditions, and only then after arranging to provide temporary sprinkler/standpipe or automatic fire alarm service according to the requirements indicated

B. Notify COTR no fewer than 7 days in advance of proposed interruption of fire sprinkler or standpipe service.

C. Do not proceed with interruption of fire sprinkler or standpipe service without the COTR’s written permission.

1.12 COORDINATION

A. Coordinate sprinkler head layout with reflected ceiling plan and all ceiling – mounted equipment, including diffusers, lights, security cameras, fire alarm devices, exit signs, and other devices.

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B. Coordinate major equipment and piping layouts with other trades to avoid obstructions and excessive changes in direction for piping.

1.13 WARRANTY

A. The Contractor shall guarantee labor, materials, and equipment provided under this contract against defects for a period of one year after the date of final acceptance of this work by the Government. Obtain said date in writing from the Construction Manager and Owner and include this specific date in “close-out” documents. The Sprinkler Contractor shall repair all defects, which develop or are discovered within this period, to the satisfaction of the Owner, at no additional cost

B. Final acceptance includes, but is not limited to, the receipt and OSHEM approval of, as-built drawings and operation and maintenance manuals.

C. Provide (as part of the contract) all inspections, testing and maintenance required for the one

(1) year period following final acceptance. Required inspections, testing and maintenance shall be those defined in NFPA 25. Include a schedule with specific dates for said inspections and testing (including the yearend testing and inspections).

PART 2 - PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS

A. All products are subject to the following listed acceptable manufacturers. If the product is not addressed herein, the product shall be from a US based manufacturer and Listed for fire protection use.

B. Equipment for fire protection service shall be UL listed or FM approved for use in wet pipe sprinkler systems.

C. Fire Protection Valves and Drain Assemblies

1. Tyco Fire & Building Products

2. Victaulic

3. Stockham

4. Kennedy

5. Jenkins

6. Reliable Automatic Sprinkler Co.

7. Viking Corporation

D. Sprinklers

1. Tyco Fire & Building Products

2. Reliable Automatic Sprinkler Co.

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3. Viking Corporation

4. Victaulic Corporation E. Valve Supervisory Switches

1. Potter Electric Signal

2. System Sensor

3. McWane, In. Kennedy Valve Div.

2.02 ABOVEGROUND PIPING SYSTEMS

A. General:

1. Provide fittings for changes in direction of piping and for all connections.

2. Arrange piping so that it can be drained at the main riser.

3. Make changes in piping sizes through standard tapered reducing pipe fittings; the use of bushings is not permitted.

4. Perform welding in the shop; field welding is not permitted.

5. Jointing compound for pipe threads shall be polytetrafluoroethylene (PTFE) pipe thread tape only, applied on the male threads. Use of pipe dope is not permitted.

6. Lubricant used on gaskets for mechanical fittings must be non-petroleum based and approved by OSHEM.

7. Run piping concealed in areas with suspended ceilings, except as noted on the drawings.

B. Sprinkler Pipe and Fittings:

1. Pipe thickness:

a. Provide in accordance with NFPA 13, except as modified herein.

b. Steel piping shall be Schedule 40 per ASTM A53 for sizes less than 4-inches (101.6 mm)

c. Steel piping shall be Schedule 10 or 40 per ASTM A53 for sizes 4-inches (101.6 mm) and larger.

d. ASTM A135, Schedule 40 piping may be used for pipe sizes less than 2-½-inches

(63.5 mm).

2. Fittings – Standard Installation:

a. Nominal pipe sizes 4-inches or larger: Schedule 10 or 40 Pipe meeting ASTM A-53, A-135 or A-795 with factory- or field-formed, roll-grooved for Schedule 10 or 40 ends, or cut-grooved for Schedule 40 ends.

b. Nominal pipe sizes smaller than 4-inches: Schedule 40 Pipe meeting ASTM A-53, A-135, and A-795 with factory- or field-formed threaded ends.

c. For connections between 4-inch (100 mm) and larger pipes on risers, feed mains, cross-mains and drain lines:

1) Grooved pipe couplings and fittings for grooved pipe.

2) Outlet couplings with screwed connections for grooved pipe.

d. For connections from risers, feed mains, cross-mains, or drains to branch lines:

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1) Welded outlet with screwed connection or threaded coupling or fittings.

e. For connections to and between branch line pipes less than 4-inches:

1) Threaded pipe couplings and fittings only.

f. For connections between drain pipes requirement is as follows:

1) Galvanized threaded or cut-grooved pipe couplings and fittings.

3. Pressure ratings: All fittings and gaskets shall meet or exceed maximum working pressures present within the system, but shall not be rated for less than 175 psi (1207 kPa).

4. External Corrosion Protection: All piping and hangers where exposed to the exterior or installed in a corrosive atmosphere shall be protected against corrosion.

5. Pipe and Hanger Supports: Provide pipe supports, hangers, and clamps conforming to NFPA 13 and listed by UL or approved by FM. Provide galvanized supports, hangers, and clamps for all galvanized piping.

6. Joint Construction

a. Plain-end fittings with mechanical couplings, hole-cut mechanical threaded outlet fittings, hole-cut mechanical grooved outlet fittings, and hole-cut saddle clamp outlet fittings are not permitted for new systems.

b. Procedures for welding outlets shall be in strict conformance with the welding requirements of NFPA 13, including submission of welding certifications. Welding shall not be performed on-site.

c. Threaded Joints: Comply with NFPA 13 for pipe thickness and threads. Do not thread pipe with wall thickness less than Schedule 40.

d. Grooved Joints and Fittings: Assemble joints and fittings with listed coupling and gasket, lubricant, and bolts from the same manufacturer. Fittings and attached couplings shall be from the same manufacturer.

e. Steel Pipe: Square-cut or roll-groove piping as indicated. Use grooved-end fittings and rigid, grooved-end-pipe couplings, unless otherwise indicated.

f. If the galvanized coating on piping is found to be chipped or cracked upon grooving of joint, two coats of liquid galvanizing material shall be applied to groove. The first coat shall be thoroughly dry prior to applying the second coat.

C. Use of restriction orifices is not permitted.

D. Use of reducing flanges is not permitted.

E. Use of unions is not permitted. Flanged couplings shall be used in lieu of unions with the exception of drain lines.

F. Use of plain-end fittings is not permitted.

G. The corrosion resistance ratio of pipe and fitting method shall not be less than 0.95.

H. Pipe Hangers and Supports: Provide in accordance with NFPA 13.

I. Identification Signs:

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1. Attach properly lettered approved metal or polycarbonate signs conforming to NFPA 13 to each valve and alarm device.

2. Polycarbonate signs shall be red with engraved white letters.

3. Signs at valves shall describe the sprinkler zone it controls and state that the valve is to remain open.

4. Permanently affix design data nameplate to the riser of each system. Use of pens or label-makers is not permitted.

J. Inspector's Test Connection:

1. Provide test connections no higher than 6-feet (1.83 m) above the floor for each sprinkler system or portion of each sprinkler system equipped with an alarm device; locate at the hydraulically most remote part of each system and at the control valve/drain assembly.

2. Provide combination drain valve and test connection.

3. Discharge shall be readily visible from the inspector's test connection, either by direct observation of the discharge or through a sight glass.

4. Discharge shall be piped to either an open building drain or to the outside.

5. Drainage and test valves shall be bronze globe, angle, or gate valves.

K. Drains:

1. Provide drain piping to discharge at safe points outside the building or to sight cones attached to drains of adequate size to readily receive the full flow from each drain under maximum pressure.

2. All drain piping and fittings are to be galvanized.

3. Provide auxiliary drains as required by NFPA 13, with exception of the following:

a. Locations of drains serving areas 50 gallons or more shall be approved by OSHEM.

b. Unless approved by OSHEM, auxiliary drains shall be routed directly to a floor drain that can accept full flow.

4. Splash guards shall be provided at discharge outlets where flow would cause damage to the discharge location.

L. Pipe Sleeves and Seals:

1. Provide where piping passes through walls, floors, roofs and partitions.

2. Provide clearance between exterior of piping and interior of sleeve in accordance with the

Seismic Protection & Clearance section of NFPA 13.

3. See Division 07 Penetration Firestopping for sleeves and seals through fire-rated assemblies.

4. Secure sleeves in proper position and location during construction.

5. Provide sleeves of sufficient length to pass through the entire thickness of walls, floors, roofs, and partitions.

6. Sleeves in Masonry and Concrete Walls, Floors, and Roofs: Provide ASTM A53, Schedule 40, zinc-coated steel pipe sleeves. Sleeves in floors shall project 4-inches (101.6

mm) above finished floors to prevent seepage.

7. Sleeves in Partitions and Other than Masonry and Concrete Walls, Floors and Roofs:

Sleeves shall be constructed from either zinc-coated schedule 40 steel pipe or zinc-coated 26 gauge steel sheet.

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M. Escutcheon Plates:

1. Provide one piece or split-hinge-type metal plates for piping passing through floors, walls, and ceilings in exposed and concealed areas.

2. Provide chromium-plated or color-coordinated metal plates where pipe passes through finished ceilings. Securely anchor plates in proper position.

3. Provide sprinkler escutcheon plates to match sprinkler head finish.

2.03 SPRINKLERS

A. Provide quick response sprinklers in offices and all other areas where their use is Listed or approved.

B. Heads located within the air streams of unit heaters or other heat-emitting equipment, or skylights shall be selected for proper temperature rating.

C. Where only a portion of the automatic sprinklers in a space are being replaced as part of a renovation, the response characteristics of the new sprinklers shall match those existing in the space.

D. Heads shall have a minimum nominal ½-inch (12.7 mm) orifice.

E. Corrosion-resistant sprinkler heads shall be installed where they are exposed to the weather, moisture or corrosive vapors.

F. Provide finish as indicated. Refer to the Sprinkler Schedule for style of sprinklers and locations

2.04 VALVES:

A. Provide valves as required by NFPA 13. Valves shall be UL listed or FM approved for fire protection service.

B. Gate Valves:

1. Gate valves shall be the outside stem & yoke (OS&Y) type, and open by counterclockwise rotation.

2. Gate valves installed higher than 7 feet (2.13 m) above the floor shall be provided with a chain drive or permanently mounted ladder.

3. Provide a gate valve beneath each alarm valve in each riser when more than one alarm valve is supplied from the same water supply pipe.

C. Check Valves:

1. Check valves shall be clear-opening, swing-check type, with a bronze or stainless steel seat ring and an EPDM rubber clapper facing.

2. Flanged check valves of sizes 4-inch (101.6 mm) and larger shall have flanged inspection and access cover plates.

D. Butterfly valves: Butterfly valves are permitted only for pipe sizes of 4-inches (100 mm) and smaller.

2.05 ALARM SWITCHES

A. Paddle-Type Water Flow Switches:

1. Provide paddle-type water flow switches.

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SI NMAH Install Emergency Generator Wet Sprinkler System 211313

2. Switches shall have sensitivity setting to signal any flow of water that equals or exceeds the discharge from one sprinkler head.

3. Water flow switch mechanisms shall incorporate an instantly recycling, pneumatic, adjustable retard element and shall be set with a 20-second delay.

4. Assembly shall be rated at 175 psi (1206.6 kPa) cold water pressure.

5. Switches shall be compatible with the fire alarm system and shall be connected per Section

283111.

B. Pressure Switch:

1. Provide switch with circuit opener and closer for automatic transmittal of an alarm over the facility fire alarm system and connect into the fire alarm system per Section 283111.

2. Alarm actuating device shall be of the mechanical diaphragm, controlled water, pressure-type, without retard device, which instantly recycles when pressure is released from the diaphragm.

C. Valve Supervisory Switch:

1. Valve supervisory switches shall be installed on all sprinkler control valves.

2. The switches shall be mounted so as not to interfere with the normal operation of the valve and shall be adjusted to operate within two revolutions of the valve control or when the stem has moved no more than 1/5 of the distance from its normal open position.

3. The mechanism shall be contained in a weather-proof, die-cast, aluminum housing that shall be provided with a ½-inch (12.7 mm) tapped conduit entrance and incorporate the necessary facilities for attachment to the valve.

4. Switch housing shall be finished in red baked enamel.

5. The entire installed assembly shall be tamper-proof and arranged to cause a switch operation if the housing cover is removed or if the unit is removed from its mounting.

6. Devices shall be compatible with and connected to the fire alarm system per Section

283111.

2.06 SPARE SPRINKLER CABINET

A. Furnish and install a metal cabinet containing a stock of spare sprinkler heads of all types and ratings installed.

B. The cabinet shall be located near the control valve and where the temperature will not exceed

100ºF (37.8ºC).

C. The number of spare sprinkler heads shall be as required by NFPA 13.

D. Provide a sprinkler head wrench in the cabinet for each type of sprinkler installed on the system.

2.07 PRESSURE GAUGES

A. Approved to UL 393.

B. Dial size shall be 3-1/2- to 4-1/2-inch diameter.

C. Pressure range shall be 0 to 250 psig minimum.

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SI NMAH Install Emergency Generator Wet Sprinkler System 211313

D. Dial face shall include “WATER” or “AIR/WATER”.

2.08 VALVE CABINETS

A. Provide metal cabinets containing fire hose valves and/or zone control valve assemblies as appropriate.

B. Cabinets shall be trimless and designed for installation as a complete unit with the frame located behind the finished wall.

C. All components shall be powder-coated with an electrostatically-applied, thermally-fused, recoatable white polyester finish.

D. Cabinets shall be Listed as fire-rated when installed in fire-rated assemblies.

2.09 AIR VENTS

A. Vents shall be automatic and shall not require any electrical connection.

B. Provide one vent at the high point of each system (zone).

C. Provide one vent at the top of each standpipe riser.

D. Vents shall be capable of both horizontal and vertical installation.

E. Vents shall be designed to avoid a water trap and fully drain without discharge to atmosphere.

F. Vents shall be designed to be installed in water-sensitive areas.

PART 3 - EXECUTION

3.01 INSTALLATION

A. Equipment, materials, installation, workmanship, examination, inspection and testing shall be in accordance with NFPA 13 and NFPA 14, except as modified herein.

3.02 FIELD CHANGES

A. Do not make field changes in the piping layout, pipe sizes, or type of equipment, without the prior approval of the COTR.

3.03 CONNECTIONS TO EXISTING SPRINKLER SYSTEM

A. Connection to the existing sprinkler system shall be done only after successfully testing new piping. Connections shall be as shown on the drawings. The COTR shall be notified at least 4 days prior to interruption of sprinkler protection.

B. A schedule of any interruption of service shall be provided to the COTR and approval received before any service is interrupted. In no case shall the existing sprinkler system be impaired during periods other than normal Contractor construction hours.

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SI NMAH Install Emergency Generator Wet Sprinkler System 211313

3.04 PIPING

A. Install piping straight and true to bear evenly on hangers and supports.

B. Install piping as close to the ceiling as possible, without interfering with other equipment and construction.

C. Nipples shall be perpendicular to ceilings.

3.05 SPRINKLERS

A. Accurately align sprinkler heads in suspended ceilings symmetrically with diffusers, lights, and ceiling tiles.

B. Install sprinkler heads in the center of the ceiling tiles unless directed otherwise.

C. Concealed head covers shall not be installed until ceiling construction is complete and an inspection to determine height compliance has been conducted by OSHEM.

D. Sprinklers shall not be installed onto piping by means other than the manufacturer’s provided wrench.

E. Temperature Rating: Install ordinary temperature sprinklers, unless modified herein. Sprinklers installed in higher ambient temperature areas shall be installed in accordance with NFPA 13.

1. Emergency Generator Rooms: Install high temperature sprinklers.

F. Sprinkler Guards: Provide mechanical guards as required to prevent mechanical damage in accordance with NFPA 13, and as follows:

1. All sprinklers installed below 7-feet (2.1 m)

2. All sprinklers installed in elevator machine rooms.

G. Quick Response Sprinklers:

1. Install in all areas where Listed for use and in accordance with NFPA 13.

2. Do not install in elevator machine rooms.

H. Flexible sprinkler fittings shall not be used.

3.06 PRESSURE GAUGES

A. Install pressure gauges on riser or feed mains and at the top of each standpipe.

B. Install pressure gauges to permit removal.

C. Install pressure gauges where they are not subject to freezing.

D. Install pressure gauges with connections not less than NPS 1/4 (DN 8) with soft-metal seated glove valve, arranged for draining pipe between gauge and valve.

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SI NMAH Install Emergency Generator Wet Sprinkler System 211313

3.07 HANGERS

A. Install hangers and supports for system piping in accordance with NFPA 13 and NFPA 14, as applicable.

3.08 CLEARANCE

A. Clearance shall be provided around all piping extending through walls, floors, platforms, and foundations, including drains, fire department connections, and other auxiliary piping.

B. Unless any of the requirements of Paragraphs C through G or J below are met, where pipe passes through holes in platforms, foundations, walls, or floors, the holes shall be sized such that the diameter of the holes is nominally 2-inches (50 mm) larger than the pip for pipe 1-inch (25 mm) nominal to 3-1/2-inches (90 mm) nominal and 4-inches (100 mm) larger than the pipe for pipe 4-inches (100 mm) nominal and larger.

C. Where clearance is provided by a pipe sleeve, a nominal diameter 2-inches (50 mm) larger than the nominal diameter of the pipe shall be acceptable for pipe sizes 1-inch (25 mm) through 3- 1/2-inches (90 mm) nominal, and the clearance provided by a pipe sleeve of nominal diameter 4-inches (100 mm) larger than the nominal diameter of the pipe shall be acceptable for pipe 4-inches (100 mm) and larger.

D. No clearance shall be required for piping passing through gypsum board or equally frangible construction.

E. No clearance shall be required if flexible couplings are located within 1-foot (300 mm) of each side of a all that is not required to have a fire resistance rating.

F. No clearance shall be provided where horizontal piping passes perpendicularly through successive studs or joists that form a wall or floor/ceiling assembly.

G. Where required, the clearance shall be filled with a flexible material that is compatible with the piping material.

H. The installed horizontal and upward vertical clearance between horizontal sprinkler piping and structural members not penetrated or used, collectively or independently, to support the piping shall be at least 2-inches (50 mm).

I. No clearance shall be required where piping is supported by holes through structural members as permitted by NFPA 13.

J. The installed clearance between a sprinkler and structural elements shall be at least 3-inches (75 mm).

K. Clearance shall not be required for piping that is vertically supported by the bottom edge of holes as permitted by NFPA 13.

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SI NMAH Install Emergency Generator Wet Sprinkler System 211313

L. No horizontal clearance (tight fit) shall be provided for piping that is laterally supported by the side edges of holes through structural members.

3.09 FIELD PAINTING

A. General:

1. Painting shall be per Division 09, except as modified herein.

2. The above-ground steel piping systems excluding valves and other appurtenances, pipe sleeves, and hangers shall be cleaned, pre-treated, primed and painted. Coatings shall be applied only to clean, dry surfaces using clean brushes. Surfaces shall be cleaned to remove all dust, dirt, rust and loose mill scale.

3. Due care shall be exercised to avoid the painting of sprinkler heads or protective devices or allowing paint to drip or splatter on any equipment, artifacts, building structures, and floors.

4. Materials which are used to protect sprinkler heads while painting is in progress shall be removed upon completion of painting.

5. The Contractor shall remove all sprinkler heads which are painted and provide new, clean sprinkler heads of the proper type at his own expense.

B. Primer:

1. Immediately after cleaning, provide the metal surfaces with one coat of primer, applied to a minimum dry film thickness of 1.0 to 1.5 mil.

C. Coatings: In addition to the primer, surfaces shall receive the following:

1. Above-Ground Piping Systems in Unfinished Areas:

a. Unfinished areas are defined as attic spaces, mechanical, electrical & telecommunication equipment spaces, storage areas, spaces above ceilings, crawl spaces, pipe chases, and spaces where walls or ceilings are not painted or not constructed of a pre-finished material.

b. Provide primed surfaces with one coat of red enamel.

2. Above-Ground Piping Systems in Other Areas:

a. Provide primed surfaces with two coats of paint to match adjacent surfaces.

b. Provide piping with 2-inches (50 mm) wide red enamel bands or self-adhering red plastic bands spaced at a maximum of 10-foot (3.05 m) intervals.

3.10 ACCESS PANELS

A. All valves and appurtenances shall be accessible for testing, repairs, and maintenance. Provide access panel of sufficient size where devices are concealed to allow access.

B. The Contractor shall provide documentation showing accessibility.

3.11 FIRESTOPPING

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SI NMAH Install Emergency Generator Wet Sprinkler System 211313

A. Seal all holes caused by penetrating pipes or other penetrations that pass through floors, walls, or ceilings. Firestop penetrations through floor slab, fire-rated walls, shafts, or any fire-rated assembly in accordance with Division 07 of this Specification.

3.12 FIELD TESTING AND FLUSHING

A. General:

1. All testing shall be scheduled with the COTR.

2. The Contractor shall furnish all appliances, equipment, instruments, connecting devices and personnel for all tests.

3. Provide no less than 48-hours notice for the inspections and testing noted below.

4. Any costs incurred by the SI for repeat tests, due to the failure of the Contractor to adequately demonstrate that the system complies with the contract requirements shall be borne by the Contractor.

B. Connections to Existing Piping:

1. During pneumatic and hydrostatic testing, the Contractor shall test new piping prior to connecting to the existing system.

2. If the Contractor chooses to test the new piping while it is connected to existing piping or valves, the Contractor shall assume responsibility for all piping and equipment which is pressurized, as well as any damage caused by the failure of existing or new sprinkler systems.

3. The SI accepts no responsibility for existing valves' performance to withstand hydrostatic pressure testing.

C. Sprinkler Piping Rough-In Inspection:

1. OSHEM shall conduct a rough-in inspection for all piping. System layout and compliance with NFPA 13 and this Specification shall be reviewed.

2. Contractor shall have red-lined plans available for review at the time of inspection for all deviations from the approved design.

D. Pneumatic Test:

1. At the discretion of the OSHEM Fire Protection Engineer, an air pressure test may be required prior to filling the system with water.

2. The test shall be conducted by raising the air pressure in the system to 40 psi (275.8 kPa) and allowing it to stand for 24-hours.

3. There shall be no loss of air pressure greater than 1.5 psi (10.34 kPa) over the 24-hour period.

4. Air pressure during this test shall be tracked via a graph over the 24-hour period by a pressure monitoring device or pressure monitoring gauge.

5. A report shall be provided to OSHEM indicating the pressure readings over the 24-hour period.

E. Hydrostatic Test:

1. Tests shall be conducted prior to paint being applied to the pipe.

2. Tests shall be conducted at the greater of 200 psi (1379 kPa) or the normal system pressure plus 50 psi (345 kPa) for a 2 hour period with no leakage or reduction in gauge pressure.

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3. Hydrostatic test pressures shall not be maintained on the system overnight.

4. Flush piping with potable water in accordance with NFPA 13.

5. Tests shall be conducted using a liquid-filled pressure gauge.

F. Preliminary Tests and Procedures:

1. Test alarms and other devices.

2. Test the water flow alarms by flowing water through the inspector's test connection.

3. When all tests and procedures are completed and corrections made, submit a signed and dated certificate, similar to that specified in NFPA 13, with a request for formal inspection and tests.

G. Formal Inspection and Tests:

1. At this time, all piping, sprinklers, and other system components shall be in-place and all adjustments to the system completed. All preliminary testing shall be complete.

2. The OSHEM Fire Protection Engineer shall be notified by the COTR, shall witness all tests, and shall approve all systems before they are accepted.

3. Submit a request for a formal inspection at least five working days prior to the date the inspection is to take place.

4. A competent representative of the sprinkler installer shall be present during testing and inspection.

5. As-built drawings shall be on-site for the inspection.

6. Any or all of the required tests shall be conducted by the Contractor at his own expense and additional tests made until it has been demonstrated that the systems comply with all contract requirements.

3.13 TRAINING

A. General

1. Contractor shall provide four hours of training to Facilities staff indicating the operation of all installed equipment and presenting the location of all new system valves installed as part of the Contract.

A. END OF SECTION 211313

END OF SECTION

211313

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SI NMAH Install Emergency Generator Dry Pipe and Preaction System 211316

SECTION 211316 – DRY PIPE AND PREACTION SPRINKLER SYSTEMS

PART 1 - GENERAL

1.01 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Special Conditions and Division 1 Specification Sections, apply to this Section.

B. The following sections apply to the work of this section:

1. General and Special Conditions

2. Division 1: General Requirements

3. Division 7: Firestopping

4. Division 9: Painting

5. Division 26: Electrical

6. Division 28: Addressable Fire Alarm Systems

C. In the NFPA publications referred to herein, the advisory provisions shall be considered mandatory, as though the word "shall" had been substituted for "should," wherever it appears.

1.02 SUMMARY

A. Scope: The contract drawings are conceptual. This work includes designing and providing a new, complete, code-compliant automatic dry-pipe fire extinguishing sprinkler system, and associated equipment, ready for operation The system shall include all piping, fittings, valves, supports, cabinets, gauges, and all other…