WMFS-OPS_Specs_Vol 2_27May2015_548pg.pdf

WEAVER MOUNTAIN FIRE STATION

OPERATIONS BUILDING

33501 SOUTH HIGHWAY 89 WICKENBURG, AZ 85390

PROJECT NO. L140D00737

BUREAU OF LAND MANAGEMENT

PROJECT SPECIFICATIONS

VOLUME 2

U.S. DEPARTMENT OF THE INTERIOR

BUREAU OF LAND MANAGEMENT

PHOENIX, AZ

May 27, 2015

TABLE OF CONTENTS – OPERATIONS BUILDING

Division Section Title

VOLUME 1

DIVISION 1 - GENERAL REQUIREMENTS

011000 SUMMARY

012300 ALTERNATIVES

013100 PROJECT MANAGEMENT AND COORDINATION

013233 PHOTOGRAPHIC DOCUMENTATION

013300 SUBMITTAL PROCEDURES

013310 CERTIFICATES

014000 QUALITY REQUIREMENTS

014200 REFERENCES

015000 TEMPORARY FACILITIES AND CONTROLS

017000 EXECUTION REQUIREMENTS

017419 CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL

017700 CLOSEOUT PROCEDURES

017823 OPERATION AND MAINTENANCE DATA

017839 PROJECT RECORD DOCUMENTS

017900 DEMONSTRATION AND TRAINING

018113 SUSTAINABLE DESIGN REQUIREMENTS

019113 GENERAL COMMISSIONING REQUIREMENTS

DIVISION 2 – EXISTING CONDITIONS

024113 SELECTIVE SITE DEMOLITION

DIVISION 3 - CONCRETE

033000 CAST-IN-PLACE CONCRETE

DIVISION 5 - METALS

055000 METAL FABRICATIONS

DIVISION 6 - WOOD AND PLASTICS

061000 ROUGH CARPENTRY

064023 INTERIOR ARCHITECTURAL WOODWORK

066400 PLASTIC PANELING

DIVISION 7 - THERMAL AND MOISTURE PROTECTION

072100 THERMAL INSULATION

072600 VAPOR BARRIERS

076200 SHEET METAL FLASHING AND TRIM

077200 ROOF ACCESSORIES

079200 JOINT SEALANTS

DIVISION 8 - OPENINGS

081113 HOLLOW METAL DOORS AND FRAMES

081416 FLUSH WOOD DOORS

083113 ACCESS DOORS AND FRAMES

085113 ALUMINUM WINDOWS

087100 DOOR HARDWARE

088000 GLAZING

DIVISION 9 - FINISHES

092216 NON-STRUCTURAL METAL FRAMING

092900 GYPSUM BOARD

093000 CERAMIC TILE

095123 ACOUSTICAL TILE CEILINGS

096513 RESILIENT WALL BASE AND ACCESSORIES

096533 STATIC DISSIPATIVE TILE

099100 PAINTING

DIVISION 10 - SPECIALTIES

101100 VISUAL DISPLAY UNITS

101400 SIGNAGE

102113 TOILET COMPARTMENTS

102800 TOILET AND BATH ACCESSORIES

104400 FIRE PROTECTION SPECIALTIES

105113 METAL LOCKERS

DIVISION 11 - EQUIPMENT

113100 RESIDENTIAL APPLIANCES

115213 PROJECTION SCREENS

DIVISION 12 - FURNISHINGS

122113 HORIZONTAL LOUVER BLINDS

124813 FLOOR MATS

DIVISION 13 - SPECIAL CONSTRUCTION

133419 METAL BUILDING SYSTEMS

VOLUME 2

DIVISION 22 - PLUMBING

220500 COMMON WORK RESULTS FOR PLUMBING

220523 GENERAL DUTY VALVES FOR PLUMBING PIPING

220529 HANGERS AND SUPPORTS FOR PLUMBING PIPE AND EQUIPMENT

220700 PLUMBING INSULATION

220800 COMMISSIONING OF PLUMBING

221000 PLUMBING PIPING SYSTEMS

223000 PLUMBING FIXTURES, EQUIPMENT, AND SPECIALTIES

DIVISION 23 – HEATING, VENTILATING, AND AIR CONDITIONING

230500 COMMON WORK RESULTS FOR HVAC

230529 HANGERS AND SUPPORTS FOR HVAC SYSTEMS

230593 TESTING, ADJUSTING, AND BALANCING FOR HVAC

230700 MECHANICAL INSULATION

230800 COMMISSIONING OF HVAC

230913 INSTRUMENTATION AND CONTROLS FOR HVAC

231126 LIQUID PETROLEUM GAS PIPING AND ACCESSORIES

232300 REFRIGERATION PIPING AND SPECIALTIES

233100 HVAC DUCTS AND ACCESSORIES

233400 HVAC FANS

233700 AIR OUTLETS AND INLETS

235100 BREECHINGS, CHIMNEYS, AND STACKS

235400 HVAC FURNACES AND HEAT PUMPS

237200 AIR-TO-AIR ENERGY RECOVERY EQUIPMENT

238126 SPLIT SYSTEM AIR CONDITIONERS

238239 UNIT HEATERS

DIVISION 26 – ELECTRICAL

260010 COMMON WORK RESULTS FOR ELECTRICAL

260519 LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

260526 GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

260533 RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS

260800 COMMISSIONING OF ELECTRICAL SYSTEMS

260923 LIGHTING CONTROL DEVICES

262416 PANELBOARDS

262726 WIRING DEVICES

262816 ENCLOSED SWITCHES AND CIRCUIT BREAKERS

263100 SOLAR PHOTOVOLTAIC SYSTEM

263623 AUTOMATIC TRANSFER SWITCHES

264100 FACILITY LIGHTNING PROTECTION

264313 SURGE PROTECTIVE DEVICES FOR LOW-VOLTAGE ELECTRICAL POWER CIRCUITS

265100 INTERIOR LIGHTING

265600 EXTERIOR LIGHTING

DIVISION 27 – COMMUNICATIONS

270500 BASIC ELECTRICAL MATERIALS AND METHODS

270510 RADIO CABLING REQUIREMENTS FOR TRAYS, LADDERS AND RACKS

270526 RADIO GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

271116 RADIO EQUIPMENT RACKS

271116.13 RADIO EQUIPMENT RACK INSTALLATION

272416 RADIO PANEL BOARDS

273100 RADIO PHOTOVOLTAIC COLLECTOR SYSTEMS

277920 BONDING METALLIC ANCILLARY DEVICES TO THE EXTERNAL GROUNDING SYSTEM

277983 EXTERNAL ANCILLARY DEVICE GROUNDING CONDUCTORS

277983.13 RADIO GROUNDING ELECTRODES

277983.53 RADIO GROUNDING SYSTEM RESISTANCE TESTING AND VERIFICATION

277984 RADIO INTERNAL SHELTER OR BUILDING GROUNDING AND CONDUCTORS

277984.13 BONDING EQUIPMENT TO THE INTERNAL GROUNDING SYSTEM

277984.16 RACK GROUND BUS BAR

277985 INTERNAL PERIMETER GROUND BUS

277986 GROUND BUS BARS

ATTACHMENT 1 - WALL RACK CATALOG INFO

ATTACHMENT 2 - RADIO COMMUNICATIONS SPECIAL REQUIREMENTS

ATTACHMENT 3 - SPECIAL REQUIREMENTS FOR VOICE/DATA SYSTEMS

DIVISION 28 – ELECTRICAL SAFETY AND SECURITY

283100 FIRE DETECTION AND ALARM

DIVISION 31 – SITE WORK

311000 SITE CLEARING

312000 EARTH MOVING

312333 TRENCHING AND BACKFILLING

312500 TEMPORARY EROSION AND SEDIMENTATION CONTROL

DIVISION 32 – EXTERIOR IMPROVEMENTS

321216 ASPHALT PAVING

321313 CONCRETE PAVING

321323 CONCRETE PAVING JOINT SEALANT

321723 PAVEMENT MARKINGS

329200 SEEDING

329300 PLANTS

DIVISION 33 – UTILITIES

331100 WATER UTILITY DISTRIBUTION PIPING

333100 SANITARY UTILITY SEWERAGE PIPING

334100 STORM UTILITY DRAINAGE PIPING

DIVISION 44 – POLLUTION AND WASTE CONTROL EQUIPMENT

444400 CHEMICAL FEED SYSTEM

444420 CHEMICAL METERING PUMP SKID

END OF TABLE OF CONTENTS

05/27/2015 COMMON WORK RESULTS FOR PLUMBING

WEAVER MOUNTAIN FIRE STATION 220500 - 1

SECTION 220500

COMMON WORK RESULTS FOR PLUMBING

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

Piping materials and installation instructions common to most piping systems

1. Transition fittings

2. Dielectric fittings

3. Mechanical sleeve seals

5. Sleeves.

6. Escutcheons

7. Grout

8. Identification

9. Equipment installation requirements common to equipment sections

10. Painting and finishing

11. Concrete bases

12. Supports and anchorages

1.2 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specifications, apply to this Section.

1.3 DEFINITIONS

A. Finished Spaces: Spaces other than mechanical and electrical equipment rooms, furred spaces, pipe chases, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawlspaces, and tunnels.

B. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces and mechanical equipment rooms.

C. Exposed, Exterior Installations: Exposed to view outdoors or subject to outdoor ambient temperatures and weather conditions. Examples include rooftop locations.

D. Concealed, Interior Installations: Concealed from view and protected from physical contact by building occupants. Examples include above ceilings and in chases.

E. Concealed, Exterior Installations: Concealed from view and protected from weather conditions and physical contact by building occupants but subject to outdoor ambient temperatures.

Examples include installations within unheated shelters.

F. The following are industry abbreviations for plastic materials:

1. ABS: Acrylonitrile-butadiene-styrene plastic.

2. CPVC: Chlorinated polyvinyl chloride plastic.

WEAVER MOUNTAIN FIRE STATION 220500 - 2

3. PE: Polyethylene plastic.

4. PVC: Polyvinyl chloride plastic.

G. The following are industry abbreviations for rubber materials:

1. EPDM – Ethylene propylene diene terpolymer rubber.

2. NBR – Acrylonitrile-butadiene rubber

1.4 SUBMITTALS

A. Product Data:

1. Dielectric fittings

2. Mechanical sleeve seals

3. Escutcheons

4. Welding certificates

5. Identification: Submit product for each type of identification.

B. Schedules:

1. Equipment Label Schedule: Include a listing of all equipment to be labeled with the proposed content for each label.

2. Valve numbering scheme.

3. Valve Schedules: For each piping system to include in maintenance manuals.

1.5 QUALITY ASSURANCE

A. Steel Support Welding: Qualify processes and operators according to AWS D1.1, "Structural

Welding Code--Steel."

B. Steel Pipe Welding: Qualify processes and operators according to ASME Boiler and Pressure

Vessel Code: Section IX, "Welding and Brazing Qualifications."

1. Comply with provisions in ASME B31 Series, "Code for Pressure Piping."

2. Certify that each welder has passed AWS qualification tests for welding processes involved and that certification is current.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver pipes and tubes with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe end damage and to prevent entrance of dirt, debris, and moisture.

B. Store plastic pipes protected from direct sunlight. Support to prevent sagging and bending.

1.7 COORDINATION

A. Arrange for pipe spaces, chases, slots, and openings in building structure during progress of construction, to allow for plumbing installations.

B. Coordinate installation of required supporting devices and set sleeves in poured-in-place concrete and other structural components as they are constructed.

C. Coordinate requirements for access panels and doors for plumbing items requiring access that are concealed behind finished surfaces. Access panels and doors are specified in Division 8.

WEAVER MOUNTAIN FIRE STATION 220500 - 3

D. Identification:

1. Coordinate installation of identifying devices with completion of covering and painting of surfaces where devices are to be applied.

2. Coordinate installation of identifying devices with locations of access panels and doors.

3. Install identifying devices before installing acoustical ceilings and similar concealment.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where subparagraph titles below introduce lists, the following requirements apply for product selection:

1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the manufacturers specified.

2.2 PIPE, TUBE, AND FITTINGS

A. Refer to individual Division 23 piping Sections for pipe, tube, and fitting materials and joining methods.

1. Pipe Threads: ASME B1.20.1 for factory-threaded pipe and pipe fittings.

2.3 JOINING MATERIALS

A. Refer to individual Division 23 piping Sections for special joining materials not listed below.

B. Pipe-Flange Gasket Materials: Suitable for chemical and thermal conditions of piping system contents.

1. ASME B16.21, nonmetallic, flat, asbestos-free, 1/8-inch maximum thickness unless thickness or specific material is indicated.

a. Full-Face Type: For flat-face, Class 125, cast-iron and cast-bronze flanges.

b. Narrow-Face Type: For raised-face, Class 250, cast-iron and steel flanges.

2. AWWA C110, rubber, flat face, 1/8 inch thick, unless otherwise indicated; and full-face or ring type, unless otherwise indicated.

C. Flange Bolts and Nuts: ASME B18.2.1, carbon steel, unless otherwise indicated.

D. Plastic, Pipe-Flange Gasket, Bolts, and Nuts: Type and material recommended by piping system manufacturer, unless otherwise indicated.

E. Solder Filler Metals: ASTM B32, lead-free alloys. Include water-flushable flux according to

ASTM B813.

F. Brazing Filler Metals: AWS A5.8, BCuP Series, copper-phosphorus alloys for general-duty brazing, unless otherwise indicated; and AWS A5.8, BAg1, silver alloy for refrigerant piping, unless otherwise indicated.

G. Welding Filler Metals: Comply with AWS D10.12 for welding materials appropriate for wall thickness and chemical analysis of steel pipe being welded.

WEAVER MOUNTAIN FIRE STATION 220500 - 4

H. Solvent Cements for Joining Plastic Piping:

1. CPVC Piping: ASTM F493.

2. PVC Piping: ASTM D2564. Include primer according to ASTM F656.

I. Fiberglass Pipe Adhesive: As furnished or recommended by pipe manufacturer.

2.4 TRANSITION FITTINGS

A. AWWA Transition Couplings: Same size as, and with pressure rating at least equal to and with ends compatible with, piping to be joined.

1. Available Manufacturers:

a. Cascade Waterworks Mfg. Co.

b. Dresser Industries, Inc.DMD Div.

c. Ford Meter Box Company, Incorporated (The); Pipe Products Div.

d. JCM Industries.

e. Smith-Blair, Inc.

f. Viking Johnson.

2. Underground Piping NPS 1-1/2 and Smaller: Manufactured fitting or coupling.

3. Underground Piping NPS 2 and Larger: AWWA C219, metal sleeve-type coupling.

4. Aboveground Pressure Piping: Pipe fitting.

B. Plastic-to-Metal Transition Fittings: CPVC and PVC one-piece fitting with manufacturer's

Schedule 80 equivalent dimensions; one end with threaded brass insert, and one solvent-cement-joint end.

1. Available Manufacturer: Eslon Thermoplastics

C. Plastic-to-Metal Transition Adaptors: One-piece fitting with manufacturer's SDR 11 equivalent dimensions; one end with threaded brass insert, and one solvent-cement-joint end.

Available Manufacturer: Thompson Plastics

D. Plastic-to-Metal Transition Unions: MSS SP-107, CPVC and PVC four-part union. Include brass end, solvent-cement-joint end, rubber O-ring, and union nut.

1. Available Manufacturers:

a. NIBCO Inc.

b. NIBCO, Inc.; Chemtrol Div.

E. Flexible Transition Couplings for Underground Nonpressure Drainage Piping: ASTM C 1173 with elastomeric sleeve, ends same size as piping to be joined, and corrosion-resistant metal band on each end.

1. Available Manufacturers:

a. Cascade Waterworks Mfg. Co.

b. Fernco, Inc.

c. Mission Rubber Company

d. Plastic Oddities, Inc.

2.5 DIELECTRIC FITTINGS

A. Description: Combination fitting of copper alloy and ferrous materials with threaded, solder-joint, plain, or weld-neck end connections that match piping system materials.

B. Insulating Material: Suitable for system fluid, pressure, and temperature.

WEAVER MOUNTAIN FIRE STATION 220500 - 5

C. Dielectric Unions: Factory-fabricated, union assembly, for 250 psig minimum working pressure at 180°F.

1. Available Manufacturers:

a. Capitol Manufacturing Co.

b. Central Plastics Company

c. Eclipse, Inc.

d. Epco Sales, Inc.

e. Hart Industries, International, Inc.

f. Watts Industries, Inc.; Water Products Div.

g. Zurn Industries, Inc.; Wilkins Div.

D. Dielectric Flanges: Factory-fabricated, companion-flange assembly, for 150 or 300 psig minimum working pressure as required to suit system pressures.

1. Available Manufacturers:

a. Capitol Manufacturing Co.

b. Central Plastics Company

c. Epco Sales, Inc.

d. Watts Industries, Inc.; Water Products Div.

E. Dielectric-Flange Kits: Companion-flange assembly for field assembly. Include flanges, full-face- or ring-type neoprene or phenolic gasket, phenolic or polyethylene bolt sleeves, phenolic washers, and steel backing washers.

1. Available Manufacturers:

a. Advance Products & Systems, Inc.

b. Calpico, Inc.

c. Central Plastics Company

d. Pipeline Seal and Insulator, Inc.

2. Separate companion flanges and steel bolts and nuts shall have 150 or 300 psig minimum working pressure where required to suit system pressures.

F. Dielectric Couplings: Galvanized-steel coupling with inert and noncorrosive, thermoplastic lining; threaded ends; and 300 psig minimum working pressure at 225°F.

1. Available Manufacturers:

a. Calpico, Inc.

b. Lochinvar Corp.

G. Dielectric Nipples: Electroplated steel nipple with inert and noncorrosive, thermoplastic lining;

plain, threaded, or grooved ends; and 300 psig minimum working pressure at 225°F.

1. Available Manufacturers:

a. Perfection Corp.

b. Precision Plumbing Products, Inc.

c. Sioux Chief Manufacturing Co., Inc.

d. Victaulic Co. of America

2.6 MECHANICAL SLEEVE SEALS

A. Description: Modular sealing element unit, designed for field assembly, to fill annular space between pipe and sleeve.

1. Available Manufacturers:

a. Advance Products & Systems, Inc.

b. Calpico, Inc.

WEAVER MOUNTAIN FIRE STATION 220500 - 6

c. Metraflex Co.

d. Pipeline Seal and Insulator, Inc.

e. PSI/Thunderline/Link-Seal

2. Sealing Elements: EPDM interlocking links shaped to fit surface of pipe. Include type and number required for pipe material and size of pipe.

3. Pressure Plates: Stainless steel. Include two for each sealing element.

4. Connecting Bolts and Nuts: Stainless steel of length required to secure pressure plates to sealing elements. Include one for each sealing element.

2.7 SLEEVE

A. Galvanized-Steel Sheet: 0.0239-inch minimum thickness; round tube closed with welded longitudinal joint.

B. Steel Pipe: ASTM A53, Type E, Grade B, Schedule 40, galvanized, plain ends.

C. Cast Iron: Cast or fabricated "wall pipe" equivalent to ductile-iron pressure pipe, with plain ends and integral waterstop, unless otherwise indicated.

D. Stack Sleeve Fittings: Manufactured, cast-iron sleeve with integral clamping flange. Include clamping ring and bolts and nuts for membrane flashing.

1. Underdeck Clamp: Clamping ring with set screws.

2.8 ESCUTCHEONS

A. Description: Manufactured wall and ceiling escutcheons and floor plates, with an ID to closely fit around pipe, tube, and insulation of insulated piping and an OD that completely covers opening.

1. One-Piece, Deep-Pattern Type: Deep-drawn, box-shaped brass with polished chrome-plated finish.

2. One-Piece, Cast-Brass Type: With set screw or Split-Casting, Cast-Brass Type: With concealed hinge and set screw. Finish: Polished chrome plated

3. Split-Casting, Cast-Brass Type: With concealed hinge and set screw. Finish: Polished chrome plated

4. One-Piece, Floor-Plate Type: Cast-iron floor plate.

5. Split-Casting, Floor-Plate Type: Cast brass with concealed hinge and set screw.

2.9 GROUT

A. Description: ASTM C 1107, Grade B, nonshrink and nonmetallic, dry hydraulic-cement grout.

1. Characteristics: Post-hardening, volume-adjusting, nonstaining, noncorrosive, nongaseous, and recommended for interior and exterior applications.

2. Design Mix: 5000-psi, 28-day compressive strength.

3. Packaging: Premixed and factory packaged.

2.10 IDENTIFICATION

A. Equipment Labels:

1. Metal Labels for Equipment:

a. Material and Thickness: Brass, 0.032-inch minimum thickness, and having predrilled or stamped holes for attachment hardware.

WEAVER MOUNTAIN FIRE STATION 220500 - 7

b. Minimum Label Size: Length and width vary for required label content, but not less than 2-1/2 by 3/4 inch.

c. Minimum Letter Size: 1/4 inch for name of units. Include secondary lettering two-thirds to three-fourths the size of principal lettering.

d. Fasteners: Stainless-steel rivets or self-tapping screws.

e. Adhesive: Contact-type permanent adhesive, compatible with label and with substrate.

2. Plastic Labels for Equipment:

a. Material and Thickness: Multilayer, multicolor, plastic labels for mechanical engraving, 1/8 inch thick, and having predrilled holes for attachment hardware.

b. Letter Color: White.

c. Background Color: Black or blue.

d. Maximum Temperature: Able to withstand temperatures up to 160°F.

e. Minimum Label Size: Length and width vary for required label content, but not less than 2-1/2 by 3/4 inch.

f. Minimum Letter Size: 1/4 inch for name of units if viewing distance is less than

24 inches, 1/2 inch for viewing distances up to 72 inches, and proportionately larger lettering for greater viewing distances. Include secondary lettering two-thirds to three-fourths the size of principal lettering.

g. Fasteners: Stainless-steel rivets or self-tapping screws.

h. Adhesive: Contact-type permanent adhesive, compatible with label and with substrate.

3. Label Content: Include equipment's unique equipment number, Drawing numbers where equipment is indicated (plans, details, and schedules).

4. Equipment Label Schedule: For each item of equipment to be labeled, on 8-1/2-by-11-inch bond paper. Tabulate equipment identification number and identify Drawing numbers where equipment is indicated (plans, details, and schedules), plus the specification section number and title where equipment is specified. Equipment schedule shall be included in operation and maintenance data.

B. Pipe Labels:

1. General Requirements for Manufactured Pipe Labels: Preprinted, color-coded, with lettering indicating service, and showing flow direction.

2. Pretensioned Pipe Labels: Precoiled, semirigid plastic formed to cover full circumference of pipe and to attach to pipe without fasteners or adhesive.

3. Self-Adhesive Pipe Labels: Printed plastic with contact-type, permanent-adhesive backing.

4. Self-Adhesive Pipe Labels: Printed plastic with contact-type, permanent-adhesive backing.

5. Pipe Label Contents: Include identification of piping service using same designations or abbreviations as used on Drawings, pipe size, and an arrow indicating flow direction.

a. Flow-Direction Arrows: Integral with piping system service lettering to accommodate both directions, or as separate unit on each pipe label to indicate flow direction.

b. Lettering Size: At least 1-1/2 inches high.

C. Stencils:

1. Stencils: Prepared with letter sizes according to ASME A13.1 for piping; minimum letter height of 2 inches for ducts; and minimum letter height of 3/4 inch for access panel and door labels, equipment labels, and similar operational instructions.

2. Stencil Material: Fiberboard or metal.

3. Stencil Paint: Exterior, gloss enamel black unless otherwise indicated. Paint may be in pressurized spray-can form.

WEAVER MOUNTAIN FIRE STATION 220500 - 8

4. Identification Paint: Exterior enamel in colors according to ASME A13.1 unless otherwise indicated.

D. Valve Tags:

1. Valve Tags: Stamped or engraved with 1/4-inch letters for piping system abbreviation and

1/2-inch numbers.

a. Tag Material: Brass, 0.032-inch minimum thickness, and having predrilled or stamped holes for attachment hardware.

b. Fasteners: Brass wire-link or beaded chain; or S-hook.

2. Valve Schedules: For each piping system, on 8-1/2-by-11-inch bond paper. Tabulate valve number, piping system, system abbreviation (as shown on valve tag), location of valve

(room or space), normal-operating position (open, closed, or modulating), and variations for identification. Mark valves for emergency shutoff and similar special uses.

a. Valve-tag schedule shall be included in operation and maintenance data.

PART 3 - EXECUTION

3.1 PIPING SYSTEMS - COMMON REQUIREMENTS

A. Install piping according to the following requirements and Division 23 Sections specifying piping systems.

B. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated unless deviations to layout are approved on Coordination Drawings.

C. Install piping in concealed locations, unless otherwise indicated and except in equipment rooms and service areas.

D. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

E. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal.

F. Install piping to permit valve servicing.

G. Install piping at slopes to allow drainage. Provide drain down valves with caps.

H. Install piping free of sags and bends.

I. Install fittings for changes in direction and branch connections.

J. Install piping to allow application of insulation.

K. Select system components with pressure rating equal to or greater than system operating pressure.

L. Install escutcheons for penetrations of walls, ceilings, and floors according to the following:

1. New Piping:

a. Piping with Fitting or Sleeve Protruding from Wall: One-piece, deep-pattern type.

WEAVER MOUNTAIN FIRE STATION 220500 - 9

b. Chrome-Plated Piping: One-piece, cast-brass type with polished chrome-plated finish.

c. Insulated Piping: Split, cast-brass type with spring clips.

d. Bare Piping at Wall, Floor, and Ceiling Penetrations in Finished Spaces, Unfinished

Service Spaces, and Equipment Rooms: One-piece or split, cast-brass type with polished chrome-plated finish.

M. Sleeves are not required for core-drilled holes.

N. Install sleeves for pipes passing through concrete and masonry walls and concrete floor and roof slabs.

1. Cut sleeves to length for mounting flush with both surfaces.

Exception: Extend sleeves installed in floors of mechanical equipment areas or other wet areas 2 inches above finished floor level. Extend cast-iron sleeve fittings below floor slab as required to secure clamping ring if ring is specified.

2. Install sleeves in new walls and slabs as new walls and slabs are constructed.

3. Except for underground wall penetrations, seal annular space between sleeve and pipe or pipe insulation, using joint sealants appropriate for size, depth, and location of joint.

O. Aboveground, Exterior-Wall Pipe Penetrations: Seal penetrations using sleeves and mechanical sleeve seals. Select sleeve size to allow for 1-inch annular clear space between pipe and sleeve for installing mechanical sleeve seals.

1. Install steel pipe for sleeves smaller than 6 inches in diameter.

2. Install cast-iron "wall pipes" for sleeves 6 inches and larger in diameter.

3. Mechanical Sleeve Seal Installation: Select type and number of sealing elements required for pipe material and size. Position pipe in center of sleeve. Assemble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

P. Underground, Exterior-Wall Pipe Penetrations: Install cast-iron "wall pipes" for sleeves. Seal pipe penetrations using mechanical sleeve seals. Select sleeve size to allow for 1-inch annular clear space between pipe and sleeve for installing mechanical sleeve seals.

1. Mechanical Sleeve Seal Installation: Select type and number of sealing elements required for pipe material and size. Position pipe in center of sleeve. Assemble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

Q. Verify final equipment locations for roughing-in.

R. Refer to equipment specifications in other Sections of these Specifications for roughing-in requirements.

3.2 PIPING JOINT CONSTRUCTION

A. Join pipe and fittings according to the following requirements and Division 22 Sections specifying piping systems.

B. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.

C. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

WEAVER MOUNTAIN FIRE STATION 220500 - 10

D. Soldered Joints: Apply ASTM B813, water-flushable flux, unless otherwise indicated, to tube end. Construct joints according to ASTM B828 or CDA's "Copper Tube Handbook," using lead-free solder alloy complying with ASTM B32.

E. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," "Pipe and Tube"

Chapter, using copper-phosphorus brazing filler metal complying with AWS A5.8.

F. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID.

Join pipe fittings and valves as follows:

1. Apply appropriate tape or thread compound to external pipe threads unless dry seal threading is specified.

2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged. Do not use pipe sections that have cracked or open welds.

G. Welded Joints: Construct joints according to AWS D10.12, using qualified processes and welding operators according to Part 1 "Quality Assurance" Article.

H. Flanged Joints: Select appropriate gasket material, size, type, and thickness for service application. Install gasket concentrically positioned. Use suitable lubricants on bolt threads.

I. Plastic Piping Solvent-Cement Joints: Clean and dry joining surfaces. Join pipe and fittings according to the following:

1. Comply with ASTM F402 for safe-handling practice of cleaners, primers, and solvent cements.

2. CPVC Piping: Join according to ASTM D2846/D2846M Appendix.

J. Plastic Pressure Piping Gasketed Joints: Join according to ASTM D3139.

3.3 IDENTIFICATION COMMON REQUIREMENTS

A. Preparation: Clean piping and equipment surfaces of substances that could impair bond of identification devices, including dirt, oil, grease, release agents, and incompatible primers, paints, and encapsulants.

B. Equipment Label Installation:

1. Install or permanently fasten labels on each major item of mechanical equipment.

2. Locate equipment labels where accessible and visible.

C. Pipe Label Installation:

1. Piping Color-Coding: Painting of piping is specified in Division 9."

2. Locate pipe labels where piping is exposed or above accessible ceilings in finished spaces;

machine rooms; accessible maintenance spaces such as shafts, tunnels, and plenums; and exterior exposed locations as follows:

a. Near each valve and control device.

b. Near each valve and control device.

c. Near each branch connection, excluding short takeoffs for fixtures and terminal units.

Where flow pattern is not obvious, mark each pipe at branch.

d. Near penetrations through walls, floors, ceilings, and inaccessible enclosures.

e. At access doors, manholes, and similar access points that permit view of concealed piping.

WEAVER MOUNTAIN FIRE STATION 220500 - 11

f. Near major equipment items and other points of origination and termination.

g. Spaced at maximum intervals of 50 feet along each run. Reduce intervals to 25 feet in areas of congested piping and equipment.

h. Piping colors shall be per ANSI A13.1

D. Valve Tag Installation: Install tags on valves and control devices in piping systems, except check valves; valves within factory-fabricated equipment units; shutoff valves; faucets; convenience and lawn-watering hose connections; and HVAC terminal devices and similar roughing-in connections of end-use fixtures and units. List tagged valves in a valve schedule.

1. Valve-Tag Application: Label all valves with tags indicating service and number. Tags

1 1/2 inches in diameter, brass, with 1/4-inch-high letters. Securely fasten with chain and hook. Match service abbreviations given on mechanical drawings.

3.4 PAINTING

A. Painting of plumbing systems, equipment, and components is specified in Division 9 for interior painting and exterior painting.

B. Damage and Touchup: Repair marred and damaged factory-painted finishes with materials and procedures to match original factory finish.

3.5 CONCRETE BASES

A. Concrete Bases:

1. Anchor equipment to concrete base according to equipment manufacturer's written instructions.

2. Construct concrete bases of dimensions indicated, but not less than 4 inches larger in both directions than supported unit.

3. Install dowel rods to connect concrete base to concrete floor. Unless otherwise indicated, install dowel rods on 18-inch centers around the full perimeter of the base.

4. Install epoxy-coated anchor bolts for supported equipment that extend through concrete base, and anchor into structural concrete floor.

5. Place and secure anchorage devices. Use supported equipment manufacturer's setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

6. Install anchor bolts to elevations required for proper attachment to supported equipment.

7. Install anchor bolts according to anchor-bolt manufacturer's written instructions.

8. Use 3000-psi, 28-day compressive-strength concrete and reinforcement as specified in

Division 3.

3.6 ERECTION OF METAL SUPPORTS AND ANCHORAGES

A. Refer to Division 5 for structural steel.

B. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor plumbing materials and equipment.

C. Field Welding: Comply with AWS D1.1.

3.7 GROUTING

WEAVER MOUNTAIN FIRE STATION 220500 - 12

A. Mix and install grout for plumbing equipment base bearing surfaces, pump and other equipment base plates, and anchors.

B. Clean surfaces that will come into contact with grout.

C. Provide forms as required for placement of grout.

D. Avoid air entrapment during placement of grout.

E. Place grout, completely filling equipment bases.

F. Place grout on concrete bases and provide smooth bearing surface for equipment.

G. Place grout around anchors.

H. Cure placed grout.

END OF SECTION

05/27/2015 GENERAL DUTY VALVES FOR PLUMBING PIPING

WEAVER MOUNTAIN FIRE STATION 220523 - 1

SECTION 220523

GENERAL DUTY VALVES FOR PLUMBING PIPING

PART 1 – GENERAL

1.1 SUMMARY

A. This Section includes the following general-duty valves:

1. Bronze ball valves

2. Silent spring check valves

3. Bronze swing check valves

1.2 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specifications, apply to this Section.

1.3 DEFINITIONS

A. The following are standard abbreviations for valves:

1. CWP: Cold working pressure

2. EPDM: Ethylene-propylene-diene terpolymer rubber

3. PTFE: Polytetrafluoroethylene plastic

4. SWP: Steam working pressure

5. TFE: Tetrafluoroethylene plastic

1.4 SUBMITTALS

A. Product Data: For each type of valve indicated. Include body, seating, and trim materials; valve design; pressure and temperature classifications; end connections; arrangement; dimensions; and required clearances. Include list indicating valve and its application. Include rated capacities;

shipping, installed, and operating weights; furnished specialties; and accessories.

1.5 QUALITY ASSURANCE

A. ASME Compliance: ASME B31.9 for valves up to 125 psig and ASME B31.1 valves above

125 psig.

B. NSF Compliance: NSF 61 for valve materials for potable-water service.

C. Source Limitations: Obtain valves of a single type through one source from a single manufacturer.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Prepare valves for shipping as follows:

1. Protect internal parts against rust and corrosion.

2. Protect threads, flange faces, grooves, and weld ends.

3. Set angle, gate, and globe valves closed to prevent rattling.

WEAVER MOUNTAIN FIRE STATION 220523 - 2

4. Set ball and plug valves open to minimize exposure of functional surfaces.

5. Set butterfly valves closed or slightly open.

6. Block check valves in either closed or open position.

B. Use the following precautions during storage:

1. Maintain valve end protection.

2. Store valves indoors and maintain at higher than ambient dew-point temperature. If outdoor storage is necessary, store valves off the ground in watertight enclosures.

C. Use sling to handle large valves; rig sling to avoid damage to exposed parts. Do not use handwheels or stems as lifting or rigging points.

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where subparagraph titles below introduce lists, the following requirements apply for product selection:

1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the manufacturers specified.

2.2 VALVES, GENERAL

A. Refer to Part 3 "Valve Applications" Article for applications of valves.

B. Bronze Valves: NPS 2 and smaller with threaded ends, unless otherwise indicated.

C. Valve Pressure and Temperature Ratings: Not less than indicated and as required for system pressures and temperatures.

D. Valve Sizes: Same as upstream pipe, unless otherwise indicated.

E. Valve Actuators

1. Handwheel: For valves other than quarter-turn types.

2. Lever Handle: For quarter-turn valves NPS 6 and smaller, except plug valves.

3. Wrench: For plug valves with square heads. Furnish Government with 1 wrench for every

10 plug valves, for each size square plug head.

F. Extended Valve Stems: On insulated valves.

G. Valve Ends.

1. Flanges: ASME B16.1 for cast-iron valves, ASME B16.5 for steel valves, and

ASME B16.24 for bronze valves.

2. Solder Joint: With sockets according to ASMEB16.18.

a. Caution: Use solder with melting point below 840°F for angle, check, gate, and globe valves; below 421°F for ball valves.

b. Threaded: With threads according to ASME B1.20.1.

H. Valve Bypass and Drain Connections: MSSSP-45

WEAVER MOUNTAIN FIRE STATION 220523 - 3

2.3 BALL VALVES

A. Bronze Two-Piece Ball Valves

1. Manufacturer and Model:

a. Threaded Ends

1) Apollo 77-100 Series

2) Nibco T-585-70

b. Soldered Ends

1) Apollo 77-200 Series

2) Nibco S-585-70

2. 150 psig SWP, non-shock 600 psig WOG, MSS SP-110, cast bronze, full port, two-piece body design, chrome-plated solid bronze ball with reinforced Teflon seats. Stem packing adjustable for wear with adjusting screw.

B. Hose End Valves

1. Manufacturer and Model:

a. Threaded Ends

1) Apollo 78-100 Series

2) Nibco T-585-70-HC

b. Soldered Ends

1) Apollo 78-200 Series

2) Nibco S-585-70-HC

2.4 SILENT SPRING LOADED CHECK VALVE

A. Wafer type, MSS SP-80, class 125, bronze or cast iron body, center guided, aluminum bronze disk, EPDM seats, monel or stainless steel springs

1. Manufacturer and Model:

a. Nibco W910

b. Metraflex

c. Milwaukee Series 1400

d. Streamflow CT-125

e. Technocheck 5050

f. Valmatic

2.5 SWING CHECK VALVES

A. Bronze, 150 psig SWP, 300 psig non-shock WOG, MSS SP-80, class 150, renewable bronze disc.

1. Manufacturer and Model:

a. Threaded

1) Nibco T-433

2) Milwaukee 510-T

3) Stockham B-321

b. Soldered

1) Nibco S-433

2) Milwaukee 1510-T

3) Stockham B-321

WEAVER MOUNTAIN FIRE STATION 220523 - 4

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine piping system for compliance with requirements for installation tolerances and other conditions affecting performance.

1. Proceed with installation only after unsatisfactory conditions have been corrected.

B. Examine valve interior for cleanliness, freedom from foreign matter, and corrosion. Remove special packing materials, such as blocks, used to prevent disc movement during shipping and handling.

C. Operate valves in positions from fully open to fully closed. Examine guides and seats made accessible by such operations.

D. Examine threads on valve and mating pipe for form and cleanliness.

E. Examine mating flange faces for conditions that might cause leakage. Check bolting for proper size, length, and material. Verify that gasket is of proper size, that its material composition is suitable for service, and that it is free from defects and damage.

F. Do not attempt to repair defective valves; replace with new valves.

3.2 VALVE APPLICATIONS

A. Refer to piping Sections for specific valve applications. If valve applications are not indicated, use the following:

1. Shutoff Service:

a. Water and compressed air:

1) NPS 2 and smaller: Ball valves.

2. Throttling service:

a. NPS 2 and smaller: bronze: class 150, threaded.

3. Pump discharge:

a. NPS 1-1/2 and smaller: bronze, class 150, threaded.

b. NPS 2 and larger: Wafer, silent spring check valves.

B. If valves with specified SWP classes or CWP ratings are not available, the same types of valves with higher SWP class or CWP ratings may be substituted.

C. Domestic Cold Water, Domestic Hot Water, Domestic Hot Water Circulating: Use the following types of valves:

1. Ball valves, NPS 2 and smaller: bronze two-piece, threaded or soldered.

2. Check valves:

a. Pump discharge:

1) NPS 1-1/2 and smaller: bronze, class 150, threaded.

2) NPS 2 and larger: Wafer, silent spring check valves.

b. Other than pump discharge: Bronze, class 150.

1) NPS 2 and smaller: bronze, class 150, threaded.

WEAVER MOUNTAIN FIRE STATION 220523 - 5

3.3 VALVE INSTALLATION

A. Piping installation requirements are specified in other Division 22 Sections. Drawings indicate general arrangement of piping, fittings, and specialties.

B. All equipment and materials shall be installed in accordance with the recommendations of the manufacturer.

C. Install valves with unions or flanges at each piece of equipment arranged to allow service, maintenance, and equipment removal without system shutdown.

D. Locate valves for easy access and provide separate support where necessary.

E. Install valves in horizontal piping with stem at or above center of pipe.

F. All valves shall be installed so they are accessible and serviceable. Install valves in position to allow full stem movement.

G. All valves shall be installed so the stem position is not more than 90-degrees from the vertical up position.

H. Install swing check valves for proper direction of flow and in horizontal position with hinge pin level.

I. Isolation valves shall be installed:

1. In piping at each and every piece of equipment

2. In piping whenever said pipe enters or leaves an equipment room

3. At all branch take-offs from mains

4. Where shown on drawings

J. Where butterfly valves are located five pipe diameters or less from an elbow, install the valve with its shaft parallel to the plane of the elbow.

K. Valve identification requirements are in other Division 22 sections.

3.4 JOINT CONSTRUCTION

A. Refer to Division 22 Section "Common Work Results for Plumbing" for basic piping joint construction.

B. Soldered Joints: Use ASTM B813, water-flushable, lead-free flux; ASTM B32, lead-free-alloy solder; and ASTM B828 procedure, unless otherwise indicated

3.5 ADJUSTING

A. Adjust or replace valve packing after piping systems have been tested and put into service but before final adjusting and balancing. Replace valves if persistent leaking occurs.

05/27/2015 HANGERS AND SUPPORTS FOR PLUMBING PIPE

AND EQUPMENT

WEAVER MOUNTAIN FIRE STATION 220529 - 1

SECTION 220529

HANGERS AND SUPPORTS FOR PLUMBING PIPE AND EQUPMENT

PART 1 – GENERAL

A. This Section includes the following hangers and supports for plumbing system piping and equipment:

1. Steel pipe hangers and supports

2. Trapeze pipe hangers

3. Metal framing systems

4. Thermal-hanger shield inserts

5. Fastener systems

6. Pipe stands

7. Equipment supports

1.2 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specification Sections, apply to this Section.

1.3 DEFINITIONS

A. MSS: Manufacturers Standardization Society for the Valve and Fittings Industry, Inc.

B. Terminology: As defined in MSS SP-90, "Guidelines on Terminology for Pipe Hangers and

Supports."

1.4 PERFORMANCE REQUIREMENTS

A. Design supports for multiple pipes, including pipe stands, capable of supporting combined weight of supported systems, system contents, and test water.

B. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components.

1.5 SUBMITTALS

A. Product Data: Provide submittal data for:

1. Steel pipe hangers and supports

2. Thermal-hanger shield inserts

3. Powder-actuated fastener systems

B. Shop Drawings: Signed and sealed by a qualified professional engineer. Show fabrication and installation details and include calculations for the following:

1. Trapeze pipe hangers. Include Product Data for components.

2. Metal framing systems. Include Product Data for components.

3. Equipment supports.

WEAVER MOUNTAIN FIRE STATION 220529 - 2

C. Welding Certificates.

1.6 QUALITY ASSURANCE

A. Welding: Qualify procedures and personnel according to AWS D1.1, "Structural Welding Code.

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. Description: MSS SP-58, Types 1 through 58, factory-fabricated components. Refer to Part 3

"Hanger and Support Applications" Article for where to use specific hanger and support types.

B. Manufacturers:

1. B-Line Systems, Inc.; a division of Cooper Industries

2. Carpenter & Paterson, Inc.

3. ERICO/Michigan Hanger Co.; ERISTRUT Div.

4. Grinnell Corp.

5. GS Metals Corp.

6. National Pipe Hanger Corporation

C. Galvanized, Metallic Coatings: Pregalvanized or hot dipped

D. Nonmetallic Coatings: Plastic coating, jacket, or liner.

2.2 TRAPEZE PIPE HANGERS

A. Description: MSS SP-69, Type 59, shop- or field-fabricated pipe-support assembly made from structural-steel shapes with MSS SP-58 hanger rods, nuts, saddles, and U-bolts.

2.3 METAL FRAMING SYSTEMS

A. Description: MFMA-3, shop- or field-fabricated pipe-support assembly made of steel channels and other components.

B. Manufacturers:

1. B-Line Systems, Inc.; a division of Cooper Industries

2. ERICO/Michigan Hanger Co.; ERISTRUT Div.

3. GS Metals Corp.

4. Power-Strut Div.; Tyco International, Ltd.

5. Thomas & Betts Corporation

6. Tolco Inc.

7. Unistrut Corp.; Tyco International, Ltd.

2.4 THERMAL-HANGER SHIELD INSERTS

A. Description: 100 psig-minimum, compressive-strength insulation insert encased in sheet metal shield.

B. Manufacturers:

1. Carpenter & Paterson, Inc.

WEAVER MOUNTAIN FIRE STATION 220529 - 3

2. ERICO/Michigan Hanger Co.

3. PHS Industries, Inc.

4. Pipe Shields, Inc.

5. Rilco Manufacturing Company, Inc.

6. Value Engineered Products, Inc.

C. Insulation-Insert Material for Cold Piping: Water-repellent treated, ASTM C 533, Type I calcium silicate or ASTM C 552, Type II cellular glass.

D. Insulation-Insert Material for Hot Piping: Water-repellent treated, ASTM C 533, Type I calcium silicate or ASTM C 552, Type II cellular glass.

E. For Trapeze or Clamped Systems: Insert and shield shall cover entire circumference of pipe.

F. For Clevis or Band Hangers: Insert and shield shall cover lower 180 degrees of pipe.

G. Insert Length: Extend 2 inches beyond sheet metal shield for piping operating below ambient air temperature.

2.5 FASTENER SYSTEMS

A. Powder-Actuated Fasteners: Threaded-steel stud, for use in hardened portland cement concrete with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

1. Manufacturers:

a. B-Line Systems, Inc.; a division of Cooper Industries.

b. Empire Industries, Inc.

c. Hilti, Inc.

d. ITW Ramset/Red Head.

e. MKT Fastening, LLC.

f. Powers Fasteners.

B. Mechanical-Expansion Anchors: Insert-wedge-type zinc-coated steel, for use in hardened portland cement concrete with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

1. Manufacturers:

a. Hilti, Inc.

b. ITW Ramset/Red Head.

c. Masterset Fastening Systems, Inc.

d. MKT Fastening, LLC.

e. Powers Fasteners.

2.6 PIPE STAND FABRICATION

A. Pipe Stands, General: Shop or field-fabricated assemblies made of manufactured corrosion-resistant components to support roof-mounted piping.

2.7 EQUIPMENT SUPPORTS

A. Description: Welded, shop- or field-fabricated equipment support made from structural-steel shapes.

WEAVER MOUNTAIN FIRE STATION 220529 - 4

2.8 MISCELLANEOUS MATERIALS

A. Structural Steel: ASTM A 36/A 36M, steel plates, shapes, and bars; black and galvanized.

B. Grout: ASTM C 1107, factory-mixed and -packaged, dry, hydraulic-cement, nonshrink and nonmetallic grout; suitable for interior and exterior applications.

1. Properties: Nonstaining, noncorrosive, and nongaseous.

2. Design Mix: 5000 psi, 28-day compressive strength.

PART 3 – EXECUTION

3.1 HANGER AND SUPPORT APPLICATIONS

A. Specific hanger and support requirements are specified in Sections specifying piping systems and equipment.

B. Comply with MSS SP-69 for pipe hanger selections and applications that are not specified in piping system Sections.

C. Use hangers and supports with galvanized, metallic coatings for piping and equipment that will not have field-applied finish.

D. Use nonmetallic coatings on attachments for electrolytic protection where attachments are in direct contact with copper tubing.

3.2 HANGER AND SUPPORT INSTALLATION

A. Pipe Hanger and Support Installation: Comply with MSS SP-69 and MSS SP-89 for the installation of hangers, supports, clamps, and attachments to properly support piping from building structure.

B. Hanger Spacing:

1. Hanger spacing and sizing shall per MSS SP-69 or applicable codes, whichever is more stringent.

2. Hanger spacing must be reduced to compensate for any valves and/or fittings installed in the pipe run.

3. Alternate span calculations may be used with a maximum deflection of 0.1 inch between hangers.

4. Maximum hanger spacing for plumbing piping shall be in accordance with Plumbing Code requirements.

5. Hanger spacing must be reduced if thermal hanger shield insert cannot support full span.

C. Channel Support or Steel Trapeze System Installation:

1. Channel Support System Installation: Arrange for grouping of parallel runs of piping and support together on field-assembled channel systems.

2. Multiple pipe runs may be supported on channel/steel trapeze support systems with rollers.

Support systems shall be individually designed by a structural engineer with the exception of the following:

a. For pipe configurations specified in Table 1, channel support system hangers shall be as described below. Channel support shall be Unistrut P-1000. Hanger rods shall be

WEAVER MOUNTAIN FIRE STATION 220529 - 5

one size larger than MSS SP-69 requires for largest pipe on support. Where support length exceeds 42 inches, additional hanger rod shall be installed at mid-span and pipe quantities in Table 1 may be placed on each side. Rollers shall be

Unistrut P2474 through 6 inches, or P2475 through 16 inches; equal by B-Line or

Grinnell. Maximum number of pipes on one 42-inch P-1000 channel support is:

Table 1

Largest

Pipe Size

Maximum Number of Pipes

NPS 5 and larger 0

NPS 4 2

NPS 3 3

NPS 2-1/2 5

NPS 2 8

NPS 1-1/2 12

NPS 1-1/4 and smaller 16

D. Hanger and Support Installation:

1. Install hangers and supports complete with necessary inserts, bolts, rods, nuts, washers, and other accessories.

2. Install hangers and supports to allow controlled thermal of piping systems, to permit freedom of movement between pipe anchors, and to facilitate action of expansion joints, expansion loops, expansion bends, and similar units.

3. Load Distribution: Install hangers and supports so that piping live and dead loads and stresses from movement will not be transmitted to connected equipment.

4. Pipe Slopes: Install hangers and supports to provide indicated pipe slopes and so maximum pipe deflections allowed by ASME B31 is not exceeded.

5. Comply with the following for insulated piping:

a. Attach clamps and spacers to piping.

b. Piping Operating below Ambient Air Temperature: Use thermal-hanger shield insert with clamp sized to match OD of insert.

c. Generator exhaust piping: Use thermal-hanger shield insert with clamp sized to match OD of insert.

d. Do not exceed pipe stress limits according to ASME B31.1.

e. Provide protection shields at all pipe supports. Metal shield lengths shall be as required by MSS-SP58 for the compressive strength and support span. Manufactured units shall include certification of compliance with MSS-SP58 for intended use.

Requirements shall be as follows:

1) Insulated piping up to NPS 1-1/2 - MSS Type 40 insulation protection shields without high-density inserts.

2) Insulated piping NPS 2 and larger - MSS Type 40 thermal-hanger shield assemblies with the high-density inserts having the same…