758-Haynesville Combo Bldg_PM Vol 2 Part 1B_Permit Set_11-28-23.pdf

HAYNESVILLE COMBO BUILDING &

EQUIPMENT STORAGE BUILDING

Project Code: 501-18041-045

IFB # 158563

VOLUME 2, PART 1B: Combo Building Site Adaptation & Equipment Storage Building Project Manual

November 28, 2023

Architecture Engineering Planning 10201 Fairfax Blvd. Suite 225

Fairfax, Virginia 22030

7032412202

VIRGINIA DEPARTMENT OF TRANSPORTATION

WARSAW, VIRGINIA

HAYNESVILLE COMBO BUILDING & EQUIPMENT STORAGE BUILDING

Project No. 501-18041-045

IFB # 158563

VOLUME 2, PART 1B: COMBO BUILDING SITE

ADAPTATION & EQUIPMENT STORAGE

BUILDING PROJECT MANUAL

TABLE OF CONTENTS

SPECIFICATIONS

DIVISION 22 PLUMBING

220500 Common Work Results for Plumbing

220523.12 Ball Valves for Plumbing Piping

220523.14 Check Valves for Plumbing Piping

220529 Hangers and Supports for Plumbing Piping and Equipment 220553 Identification for Plumbing Piping and Equipment 220719 Plumbing Piping Insulation 220800 Commissioning of Plumbing 221116 Domestic Water Piping 221119 Domestic Water Piping Specialties

221123.21 Inline, Domestic-Water Pumps

221316 Sanitary Waste and Vent Piping 221319 Sanitary Waste Piping Specialties

221319.13 Sanitary Drains

221323 Oil-Water Separators 221519 General-Service Packaged Air Compressors and Receivers 223300 Electric, Domestic-Water Heaters 223400 Fuel-Fired, Domestic-Water Heaters

224213.16 Commercial Urinals

224216.16 Commercial Sinks

224500 Emergency Plumbing Fixtures 224713 Drinking Fountains

11/28/2023

EQUIPMENT STORAGE BUILDING PROJECT NO. 501-18041-045

ii

DIVISION 23 HEATING, VENTILATING AND AIR CONDITIONING

230500 Common Work Results for HVAC 230529 Hangers and Supports for HVAC Piping and Equipment 230553 Identification for HVAC Piping and Equipment 230593 Testing, Adjusting, and Balancing for HVAC 230713 Duct Insulation 230719 HVAC Piping Insulation 230800 Commissioning of HVAC Systems

230923.12 Control Dampers

230993.11 Sequence of Operations for HVAC DDC

231126 Facility Liquefied-Petroleum Gas Piping 233113 Metal Ducts 233300 Air Duct Accessories 233346 Flexible Ducts 233416 Centrifugal HVAC Fans 233423 HVAC Power Ventilators

233713.23 Registers and Grilles

235123 Gas Vents

235523.13 Low-Intensity, Gas-Fired, Radiant Heaters

237339 Indoor, Direct-Fired Heating and Ventilating Units

DIVISION 26 ELECTRICAL

260519 Low-Voltage Electrical Power Conductors and Cables 260526 Grounding and Bonding for Electrical Systems 260529 Hangers and Supports for Electrical Systems 260533 Raceways and Boxes for Electrical Systems 260544 Sleeves and Sleeve Seals for Electrical Raceways and Cabling 260553 Identification for Electrical Systems 260923 Lighting Control Devices 262416 Panelboards 262726 Wiring Devices 262816 Enclosed Switches and Circuit Breakers

262913.03 Manual and Magnetic Motor Controllers

263213.16 Gas-Engine-Driven Generator Sets

263600 Transfer Switches 264113 Lightning Protection for Structures 265119 LED Interior Lighting 265213 Emergency and Exit Lighting iii

DIVISION 27 COMMUNICATIONS

Specifications not included in Project Manual. Refer to Project Drawings for requirements where applicable.

DIVISION 28 ELECTRONIC SAFETY AND SECURITY

284200 Gas Detection and Alarm

DIVISION 31 EARTHWORK

311000 Site Clearing 312000 Earth Moving 312319 Dewatering 315000 Excavation Support and Protection

DIVISION 32 EXTERIOR IMPROVEMENTS

321216 Asphalt Paving 321313 Concrete Paving 321373 Concrete Paving Joint Sealants 321713 Parking Bumpers 321723 Pavement Markings 329200 Turf and Grasses

DIVISION 33 UTILITIES

331415 Site Water Distribution Piping 334100 Storm Utility Drainage Piping

DIVISION 41 MATERIAL PROCESSING AND HANDLING EQUIPMENT

NOT USED

APPENDIX A

Geotechnical Study (Soils Report) iv

APPENDIX B

Statement of VUSBC Special Inspections (State Owned Buildings) Form CO-6a (DGS- 30-048)

2018 VUSBC Special Inspections (State Owned Buildings) Form CO-6b (DGS-30-052) for Site Adaptation

END OF TABLE OF CONTENTS VOLUME 2, PART 1B: COMBO BUILDING SITE

ADAPTATION & EQUIPMENT STORAGE BUILDING PROJECT MANUAL

VOLUME 3, PART 2 – PROTOTYPE COMBO BUILDING PROJECT MANUAL

TABLE OF CONTENTS

LIST OF PROTOTYPE COMBO BUILDING DRAWINGS

Title Sheet T1 Fire Protection Information Plan FP1 Legend and Schedules A1 Floor Plan A2 Reflected Ceiling and Roof Plans and Details A3 Elevations A4 Building Sections and Details A5 Wall Sections A6 Details A7 Wall Types and Head and Jamb Details A8 Door, Frame, and Window Types and Sections A9 Enlarged Plan, Elevations, and Sections A10 Elevations, Sections, and Details A11 Optional Plans and Details A12 Foundation and Slab Plan S1 Steel Framing Plan S2 Roof Framing Plan S3 Sections and Details S4 Sections and Details S5 Elevations and Details S6 Roof Truss Profiles, Sections, and Details S7 Schedule, Sections, Details, and Optional Plans S8 General Notes S9 Legend and Specifications M1 Mechanical Plan and Optional Plan M2 Schedules M3 v

LIST OF PROTOTYPE COMBO BUILDING DRAWINGS

Sections M4 Details M5 Controls M6 Legend, Specifications, and Details P1 Sanitary Plan and Optional Plan P2 Domestic Water Plan P3 Plumbing Schedules P4 Plumbing Riser Diagrams P5 Legend, Abbreviations, and General Notes E1 Single Line Diagram - 120/240V, Single Phase E2A Single Line Diagram - 208/120V, 3 Phase (Not applicable to this project) E2B Floor Plan - Lighting E3 Floor Plan - Power E4 Enlarged Plan and Optional Plans E5 Grounding and Embed Plan E6 Lightning Protection System E7 Details E8 Details E9 Schedules - 120/240V, Single Phase E10A Schedules - 208/120V, 3 Phase (Not applicable to this project) E10B Schedules E11 Schematics E12 Schematics E13 Enlarged Lighting Control Plans E14

SPECIFICATIONS

DIVISION 1 GENERAL REQUIREMENTS

DIVISION 2 EXISTING CONDITIONS

DIVISION 3 CONCRETE

032000 Concrete Reinforcing 033000 Cast-in-Place Concrete vi

DIVISION 3 CONCRETE

033543 Polished Concrete Finishing

DIVISION 4 MASONRY

042000 Unit Masonry

DIVISION 5 METALS

051200 Structural Steel Framing 054000 Cold-Formed Metal Framing 054400 Cold-Formed Metal Trusses

DIVISION 6 WOOD, PLASTICS AND COMPOSITES

061053 Miscellaneous Rough Carpentry 061600 Sheathing 064116 Plastic-Laminate-Clad Architectural Cabinets 066640 Exterior Column Systems

DIVISION 7 THERMAL AND MOISTURE

072100 Thermal Insulation 072119 Foamed-in-Place Insulation 072500 Weather Barriers 072726 Fluid-Applied Membrane Air Barriers 073113 Asphalt Shingles 074646 Fiber-Cement Siding 076200 Sheet Metal Flashing and Trim 076510 Flexible Flashing Drainage Plane System 077100 Roof Specialties 079200 Joint Sealants

DIVISION 8 OPENINGS

081113 Hollow Metal Doors and Frames 081416 Flush Wood Doors 083323 Overhead Coiling Doors 084113 Aluminum-Framed Entrances and Storefronts 085113 Aluminum Windows vii

DIVISION 8 OPENINGS

087100 Door Hardware 088000 Glazing

DIVISION 9 FINISHES

092216 Non-Structural Metal Framing 092900 Gypsum Board 093013 Ceramic Tiling 095113 Acoustical Panel Ceilings 096513 Resilient Base and Accessories 099113 Exterior Painting 099123 Interior Painting

DIVISION 10 SPECIALTIES

101423 Room-Identification Signage 102113 Plastic Toilet Compartments 102800 Toilet, Bath and Laundry Accessories 104416 Fire Extinguishers 105113 Metal Lockers

DIVISION 11 EQUIPMENT

113013 Appliances

DIVISION 12 FURNISHINGS

122413 Roller Window Shades

123661.16 Solid Surfacing Countertops

DIVISION 13 SPECIAL CONSTRUCTION

DIVISION 14 CONVEYING EQUIPMENT

viii

DIVISION 21 FIRE SUPPRESSION

DIVISION 22 PLUMBING

220517 Sleeves and Sleeve Seals for Plumbing Piping 220518 Escutcheons for Plumbing Piping 220519 Meters and Gages for Plumbing Piping

220523.12 Ball Valves for Plumbing Piping

220523.14 Check Valves for Plumbing Piping

220529 Hangers and Supports for Plumbing Piping and Equipment 220553 Identification for Plumbing Piping and Equipment 220719 Plumbing Piping Insulation 221116 Domestic Water Piping 221119 Domestic Water Piping Specialties 221316 Sanitary Waste and Vent Piping

221319.13 Sanitary Drains

221513 General-Service Compressed-Air Piping 223400 Fuel-Fired, Domestic-Water Heaters 224100 Residential Plumbing Fixtures

224216.16 Commercial Sinks

224716 Pressure Water Coolers

DIVISION 23 HEATING, VENTILATING AND AIR CONDITIONING

230513 Common Motor Requirements for HVAC Equipment 230517 Sleeves and Sleeve Seals for HVAC Piping 230529 Hangers and Supports for HVAC Piping and Equipment 230553 Identification for HVAC Piping and Equipment 230593 Testing, Adjusting, and Balancing for HVAC 230713 Duct Insulation 230719 HVAC Piping Insulation 231126 Facility Gas Piping 233113 Metal Ducts 233300 Air Duct Accessories 233416 Centrifugal HVAC Fans 233423 HVAC Power Ventilators 233550 Vehicle Exhaust Extraction System 233713 Diffusers, Registers, and Grilles

235416.13 Gas-Fired Furnaces

235523.13 Low-Intensity, Gas-Fired, Radiant Heaters

ix

DIVISION 26 ELECTRICAL

260500 Common Work Results for Electrical 260543 Underground Ducts and Raceways for Electrical Systems 260923 Networked Lighting Controls 260924 Line Voltage Lightning Controls 262416 Panelboards 262726 Wiring Devices 262816 Enclosed Switches and Circuit Breakers 264113 Lightning Protection for Structures 264313 Surge Protection for Low-Voltage Electrical Power Circuits 265000 Building Lighting

DIVISION 27 COMMUNICATIONS

Specifications not included in Project Manual. Refer to Project Drawings for requirements where applicable.

DIVISION 28 ELECTRONIC SAFETY AND SECURITY

280000 Telecommunications System

DIVISION 31 EARTHWORK

DIVISION 32 EXTERIOR IMPROVEMENTS

DIVISION 33 UTILITIES

DIVISION 41 MATERIAL PROCESSING AND HANDLING EQUIPMENT

x

APPENDIX A

2018 VUSBC Special Inspections (State Owned Buildings) Form CO-6b (DGS-30-052)

APPENDIX B

Plumbing Fixture Calculations

APPENDIX C

Envelope Thermal Calculations

APPENDIX D

Attic Ventilation Calculations

END OF TABLE OF CONTENTS VOLUME 3, PART 2:

PROTOTYPE COMBO BUILDING PROJECT MANUAL

COMMON WORK RESULTS FOR PLUMBING 220500 - 1

SECTION 220500 - COMMON WORK RESULTS FOR PLUMBING

PART 1 - GENERAL

1.1 DEFINITIONS

A. Existing Piping to Remain: Existing piping that is not to be removed and that is not otherwise indicated to be removed, removed and salvaged, or removed and reinstalled.

1.2 ACTION SUBMITTALS

A. Product Data:

1. For each type of product, excluding motors which are included in Part 1 of the plumbing equipment Sections.

a. Include construction details, material descriptions, and dimensions of individual components, and finishes.

b. Include operating characteristics and furnished accessories.

1.3 INFORMATIONAL SUBMITTALS

A. Welding certificates.

B. Field quality-control reports.

1.4 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For each type, include in operation and maintenance manuals.

1.5 QUALITY ASSURANCE

A. Welding Qualifications: Qualify procedures and personnel in accordance with

AWS D1.1/D1.1M.

B. Pipe and Pressure-Vessel Welding Qualifications: Qualify procedures and operators in accordance with 2021 ASME Boiler and Pressure Vessel Code, Section IX.

1.6 COORDINATION

A. Coordinate features of motors, installed units, and accessory devices to be compatible with the following:

COMMON WORK RESULTS FOR PLUMBING 220500 - 2

1. Motor controllers.

2. Torque, speed, and horsepower requirements of the load.

3. Ratings and characteristics of supply circuit and required control sequence.

4. Ambient and environmental conditions of installation location.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Domestic water for plumbing piping intended to convey or dispense water for human consumption are to comply with the U.S. Safe Drinking Water Act, with requirements of authorities having jurisdiction, and with NSF 61 and NSF 372, or be certified in compliance with NSF 61 and NSF 372 by an ANSI-accredited third-party certification body, in that the weighted average lead content at wetted surfaces is less than or equal to 0.25 percent.

B. Compatibility: Provide products suitable for piping service fluids, materials, working pressures, and temperatures.

C. Capability: Provide products and installations to accommodate maximum axial movement as scheduled or indicated on Drawings.

2.2 MOTORS

A. Motor Requirements, General:

1. Content includes motors for use on alternating-current power systems of up to 600 V and installed at equipment manufacturer's factory or shipped separately by equipment manufacturer for field installation.

2. Comply with requirements in this Section except when stricter requirements are specified in equipment schedules or Sections.

3. Comply with NEMA MG 1 unless otherwise indicated.

4. Comply with IEEE 841 for severe-duty motors.

B. Motor Characteristics:

1. Duty: Continuous duty at ambient temperature of 40 deg C and at altitude of 3300 ft. above sea level.

2. Capacity and Torque Characteristics: Sufficient to start, accelerate, and operate connected loads at designated speeds, at installed altitude and environment, with indicated operating sequence, and without exceeding nameplate ratings or considering service factor.

C. Polyphase Motors:

1. Description: NEMA MG 1, Design B, medium induction motor.

2. Efficiency: Premium Efficient, as defined in NEMA MG 1.

COMMON WORK RESULTS FOR PLUMBING 220500 - 3

3. Service Factor: 1.15.

4. Multispeed Motors: Variable torque.

a. For motors with 2:1 speed ratio, consequent pole, single winding.

b. For motors with other than 2:1 speed ratio, separate winding for each speed.

5. Multispeed Motors, Two Winding: Separate winding for each speed.

6. Rotor: Random-wound, squirrel cage.

7. Bearings: Regreasable, shielded, antifriction ball bearings suitable for radial and thrust loading.

8. Temperature Rise: Match insulation rating.

9. Insulation: Class F.

10. Code Letter Designation:

a. Motors 15 HP and Larger: NEMA starting Code F or Code G.

b. Motors Smaller Than 15 HP: Manufacturer's standard starting characteristic.

11. Enclosure Material: Cast iron for motor frame sizes 324T and larger; rolled steel for motor frame sizes smaller than 324T.

D. Additional Requirements for Polyphase Motors:

1. Motors Used with Reduced-Voltage and Multispeed Controllers: Match wiring connection requirements for controller with required motor leads. Provide terminals in motor terminal box, suited to control method.

2. Motors Used with Variable-Frequency Controllers: Ratings, characteristics, and features coordinated with and approved by controller manufacturer.

a. Windings: Copper magnet wire with moisture-resistant insulation varnish, designed and tested to resist transient spikes, high frequencies, and short time-rise pulses produced by pulse-width-modulated inverters.

b. Premium-Efficient Motors: Class B temperature rise; Class F insulation.

c. Inverter-Duty Motors: Class F temperature rise; Class H insulation.

d. Thermal Protection: Comply with NEMA MG 1 requirements for thermally protected motors.

3. Severe-Duty Motors: Comply with IEEE 841, with 1.15 minimum service factor.

E. Single-Phase Motors:

1. Motors larger than 1/20 hp must be one of the following, to suit starting torque and requirements of specific motor application:

a. Permanent-split capacitor.

b. Split phase.

c. Capacitor start, inductor run.

d. Capacitor start, capacitor run.

COMMON WORK RESULTS FOR PLUMBING 220500 - 4

2. Multispeed Motors: Variable-torque, permanent-split-capacitor type.

3. Bearings: Prelubricated, antifriction ball bearings or sleeve bearings suitable for radial and thrust loading.

4. Motors 1/20 HP and Smaller: Shaded-pole type.

5. Thermal Protection: Internal protection to automatically open power supply circuit to motor when winding temperature exceeds a safe value calibrated to temperature rating of motor insulation. Thermal-protection device will automatically reset when motor temperature returns to normal range.

F. Electronically Commutated Motors:

1. Microprocessor-Based Electronic Control Module: Converts 120 V or 240 V single-phase AC power to three-phase DC power to operate the brushless DC motor.

2. Three-phase power motor module with permanent magnet rotor.

3. Circuit board or digital speed controller/LED display.

4. Building Automation System Interface: Via AC voltage signal DC voltage signal or Digital Serial Interface (DSI).

2.3 SLEEVES AND SLEEVE SEALS

A. Sleeves without Waterstop:

1. Steel Pipe Sleeves: ASTM A53/A53M, Type E, Grade B, Schedule 40, hot-dip galvanized, with plain ends.

2. PVC Pipe Sleeves: ASTM D1785, Schedule 40.

B. Sleeves with Waterstop:

1. Description: Manufactured galvanized-steel, sleeve-type, waterstop assembly made for imbedding in concrete slab or wall.

C. Grout:

1. Description: Nonshrink, for interior and exterior sealing openings in non-fire-rated walls or floors.

2. Standard: ASTM C1107/C1107M, Grade B, post-hardening and volume-adjusting, dry, hydraulic-cement grout.

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

4. Packaging: Premixed and factory packaged.

2.4 ESCUTCHEONS

A. Escutcheon Types:

1. One-Piece, Cast-Brass Type: With polished, chrome-plated and polished brass finish and setscrew fastener.

COMMON WORK RESULTS FOR PLUMBING 220500 - 5

2. One-Piece, Deep-Pattern Type: Deep-drawn, box-shaped brass with polished, chrome-plated finish and spring-clip fasteners.

3. One-Piece, Stamped-Steel Type: With polished, chrome-plated finish and spring-clip fasteners.

B. Floor Plates:

1. Split Floor Plates: Cast brass with concealed hinge.

2.5 METERS AND GAUGES FOR PLUMBING PIPING

A. Thermometers, Liquid in Glass, Lead Free - Metal Case, Compact Style:

1. Source Limitations: Provide liquid-in-glass, lead-free, metal-case, compact-style thermometers by single manufacturer.

2. Standard: ASME B40.200.

3. Case: Cast aluminum; 6-inch nominal size.

4. Case Form: Back angle or Straight unless otherwise indicated.

5. Tube: Glass with magnifying lens and blue or red organic liquid; mercury free.

6. Tube Background: Nonreflective aluminum with permanent scale markings graduated in deg F.

7. Window: Glass or plastic.

8. Stem: Aluminum or lead-free brass and of length to suit installation.

a. Design for Thermowell Installation: Bare stem.

9. Connector: 3/4 inch, with ASME B1.1 or ASME B1.20.1 screw threads to fit thermowell.

10. Accuracy: Plus or minus 1 percent of span or one scale division, to a maximum of 1.5 percent of span.

B. Pressure Gauges, Dial Type, Lead Free - Direct Mounted, Metal Case:

1. Source Limitations: Provide dial-type, lead-free, direct-mounted, metal-case pressure gauges from single manufacturer.

2. Standard: ASME B40.100.

3. Case: Sealed Solid-front, pressure-relief type(s); cast aluminum or drawn steel;

6-inch nominal diameter.

4. Pressure-Element Assembly: Lead-free Bourdon tube.

5. Pressure Connection: Lead-free brass, with NPS 1/4, ASME B1.20.1 pipe threads and bottom-outlet type unless back-outlet type is indicated.

6. Movement: Mechanical, with link to pressure element and connection to pointer.

7. Dial: Nonreflective aluminum with permanent scale markings graduated in psi.

8. Pointer: Dark-colored metal.

9. Window: Glass.

10. Ring: Brass.

11. Accuracy: Grade A, plus or minus 1 percent of middle half of span.

C. Gauge Attachments, Lead Free:

COMMON WORK RESULTS FOR PLUMBING 220500 - 6

1. Snubbers: ASME B40.100, lead-free brass; with NPS 1/4, ASME B1.20.1 pipe threads and porous-metal-type surge-dampening device. Include extension for use on insulated piping.

2. Valves: Lead-free brass or stainless steel needle, with NPS 1/4, ASME B1.20.1 pipe threads.

D. Test Plugs, Lead Free:

1. Source Limitations: Provide lead-free test plugs from single manufacturer.

2. Description: Test-station fitting made for insertion into piping tee fitting.

3. Body: Lead-free brass or stainless steel with core inserts and gasketed and threaded cap. Include extended stem on units to be installed in insulated piping.

4. Thread Size: NPS 1/4 or NPS 1/2, ASME B1.20.1 pipe thread.

5. Minimum Pressure and Temperature Rating: 500 psig at 200 deg F.

6. Core Inserts: EPDM self-sealing rubber.

E. Test-Plug Kits, Lead Free:

1. Source Limitations: Provide lead-free test-plug kits from single manufacturer.

2. Furnish one test-plug kit(s) containing one thermometer(s), one pressure gauge and adapter, and carrying case. Thermometer sensing elements, pressure gauge, and adapter probes are to be of diameter to fit test plugs and of length to project into piping.

3. Low-Range Thermometer, Lead Free: Small, bimetallic insertion type with 1- to 2-inch- diameter dial and tapered-end sensing element. Dial range is to be at least 25 to 125 deg F.

4. High-Range Thermometer, Lead Free: Small, bimetallic insertion type with 1- to 2-inch- diameter dial and tapered-end sensing element. Dial range is to be at least 0 to 220 deg F.

5. Pressure Gauge, Lead Free: Small, lead-free Bourdon-tube insertion type with 2-to 3-inch- diameter dial and probe. Dial range is to be at least 0 to 200 psig.

6. Carrying Case: Metal or plastic, with formed instrument padding.

PART 3 - EXECUTION

3.1 INSTALLATION OF SLEEVES - GENERAL

A. Install sleeves for piping passing through penetrations in floors, partitions, roofs, and walls.

B. For sleeves that will have sleeve-seal system installed, select sleeves of size large enough to provide 1-inch annular clear space between piping and concrete slabs and walls.

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

C. Install sleeves in concrete floors, concrete roof slabs, and concrete walls as new slabs and walls are constructed.

COMMON WORK RESULTS FOR PLUMBING 220500 - 7

1. Permanent sleeves are not required for holes in slabs formed by molded-PE or - PP sleeves.

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

a. Exception: Extend sleeves installed in floors of mechanical equipment areas or other wet areas 2 inches above finished floor level.

3. Using grout, seal the space outside of sleeves in floors/slabs/walls without sleeve-seal system. Select to maintain fire resistance of floor/slab/wall.

D. Install sleeves for pipes passing through interior partitions.

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

2. Install sleeves that are large enough to provide 1/4-inch annular clear space between sleeve and pipe or pipe insulation.

3. Seal annular space between sleeve and piping or piping insulation; use joint sealants that joint sealant manufacturer's literature indicates is appropriate for size, depth, and location of joint.

E. Fire-Resistance-Rated Penetrations, Horizontal Assembly Penetrations, and Smoke Barrier Penetrations: Maintain indicated fire or smoke rating of walls, partitions, ceilings, and floors at pipe penetrations. Seal pipe penetrations with fire- and smoke-stop materials. Comply with requirements for firestopping and fill materials specified in Section 078413 "Penetration Firestopping."

3.2 INSTALLATION OF SLEEVES WITH WATERSTOP

A. Install sleeve with waterstop as new walls and slabs are constructed.

B. Assemble fitting components of length to be flush with both surfaces of concrete slabs and walls. Position waterstop flange centered across width of concrete slab or wall.

C. Secure nailing flanges to wooden concrete forms.

D. Using grout, seal space around outside of sleeves. Select to maintain fire resistance of floor/slab/wall.

3.3 INSTALLATION OF SLEEVE-SEAL SYSTEMS

A. Install sleeve-seal systems in sleeves in exterior concrete walls and slabs-on-grade at service piping entries into building, and passing through exterior walls.

B. Select type, size, and number of sealing elements required for piping material and size and for sleeve ID or hole size. Assemble sleeve-seal system components, and install in annular space between piping and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make a watertight seal.

COMMON WORK RESULTS FOR PLUMBING 220500 - 8

3.4 INSTALLATION OF ESCUTCHEONS

A. Install escutcheons for piping penetrations of walls, ceilings, and finished floors.

B. Install escutcheons with ID to closely fit around pipe, tube, and insulation of insulated piping and with OD that completely covers opening.

3.5 INSTALLATION OF METERS AND GAUGES

A. Install thermometer with thermowell at each required thermometer location.

B. Install thermowells in vertical position in piping tees.

C. Install thermowells of sizes required to match thermometer connectors. Include bushings if required to match sizes.

D. Install thermowells with extension on insulated piping.

E. Fill thermowells with heat-transfer medium.

F. Install direct-mounted thermometers in thermowells and adjust vertical and tilted positions.

G. Install remote-mounted thermometer bulbs in thermowells and install cases on panels;

connect cases with tubing and support tubing to prevent kinks.

H. Install direct-mounted pressure gauges in piping tees with pressure gauge located on pipe at most readable position.

I. Install remote-mounted pressure gauges on panel.

J. Install valve and snubber in piping for each pressure gauge for fluids.

K. Install test plugs in piping tees.

L. Install thermometers in the following locations:

1. Inlet and outlet of each water heater.

2. Inlets and outlets of each domestic water heat exchanger.

3. Inlet and outlet of each domestic hot-water storage tank.

4. Inlet and outlet of each remote domestic water chiller.

5. Outlet side of hot-water-balancing valve.

6. Each main hot-water-recirculating line return pipe.

M. Install pressure gauges in the following locations:

1. Building water service entrance into building.

2. Inlet and outlet of each pressure-reducing valve.

3. Suction and discharge of each domestic water pump.

COMMON WORK RESULTS FOR PLUMBING 220500 - 9

3.6 CONNECTIONS

A. Install meters and gauges adjacent to machines and equipment to allow space for service and maintenance of meters, gauges, machines, and equipment.

3.7 ADJUSTING

A. After installation, calibrate meters according to manufacturer's written instructions.

B. Adjust faces of meters and gauges to proper angle for best visibility.

3.8 FIELD QUALITY CONTROL

A. Sleeves and Sleeve Seals:

1. Perform the following tests and inspections:

a. Leak Test: After allowing for a full cure, test sleeves and sleeve seals for leaks. Repair leaks and retest until no leaks exist.

b. Sleeves and sleeve seals will be considered defective if they do not pass tests and inspections.

2. Prepare test and inspection reports.

B. Escutcheons:

1. Using new materials, replace broken and damaged escutcheons and floor plates.

3.9 THERMOMETER, LEAD FREE, APPLICATION

A. Thermometers at inlet and outlet of each domestic water heater are to be the following:

1. Metal case, compact-style, liquid-in-glass type.

2. Test plug with EPDM self-sealing rubber inserts.

B. Thermometer stems are to be of length to match thermowell insertion length.

3.10 THERMOMETER, LEAD FREE, SCALE-RANGE APPLICATION

A. Scale Range for Domestic Hot-Water Piping:

1. 30 to 240 deg F.

COMMON WORK RESULTS FOR PLUMBING 220500 - 10

3.11 PRESSURE-GAUGE APPLICATION

A. Pressure gauges at discharge of each water service into building are to be the following:

1. direct mounted, metal case.

3.12 PRESSURE-GAUGE SCALE-RANGE APPLICATION

A. Scale Range for Domestic Water Piping:

1. 0 to 160 psi.

B. Insert additional paragraphs for pressure-gauge scale ranges and applications.

END OF SECTION 220500

BALL VALVES FOR PLUMBING PIPING 220523.12 - 1

SECTION 220523.12 - BALL VALVES FOR PLUMBING PIPING

PART 1 - GENERAL

1.1 DEFINITIONS

A. CWP: Cold working pressure.

B. RPTFE: Reinforced polytetrafluoroethylene.

C. WOG: Water, oil, gas.

1.2 ACTION SUBMITTALS

A. Product Data:

1. Certification that products comply with NSF 61 Annex G and NSF 372.

1.3 DELIVERY, STORAGE, AND HANDLING

A. Prepare valves for shipping as follows:

1. Protect internal parts against rust and corrosion.

2. Protect threads, flange faces, and soldered ends.

3. Set ball valves open to minimize exposure of functional surfaces.

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 operating handles or stems as lifting or rigging points.

PART 2 - PRODUCTS

2.1 SOURCE LIMITATIONS

A. Obtain each type of valve from single source from single manufacturer.

BALL VALVES FOR PLUMBING PIPING 220523.12 - 2

2.2 PERFORMANCE REQUIREMENTS

A. Standards:

1. Domestic water valves intended to convey or dispense water for human consumption must comply with the SDWA, requirements of authorities having jurisdiction, and NSF 61 and NSF 372, or must be certified to be in compliance with NSF 61 and NSF 372 (by an ANSI-accredited third-party certification body) that the weighted average lead content at wetted surfaces is less than or equal to

0.25 percent.

B. ASME Compliance:

1. ASME B1.20.1 for threads for threaded end valves.

2. ASME B16.10 and ASME B16.34 for ferrous valve dimensions and design criteria.

3. ASME B16.18 for cast copper solder-joint connections.

4. ASME B16.22 for wrought copper and copper alloy solder-joint connections.

5. ASME B16.34 for flanged and threaded end connections

6. ASME B31.9 for building services piping valves.

C. Provide bronze valves made with dezincification-resistant materials. Bronze valves made with copper alloy (brass) containing more than 15 percent zinc are not permitted.

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

E. Valve Sizes: Same as upstream piping unless otherwise indicated.

F. Valve Actuator Type:

1. Hand Lever: For quarter-turn valves smaller than NPS 4.

G. Valves in Insulated Piping:

1. Provide 2-inch extended neck stems.

2. Extended operating handles with nonthermal-conductive covering material and protective sleeves that allow operation of valves without breaking vapor seals or disturbing insulation.

3. Memory stops that are fully adjustable after insulation is applied.

2.3 BRASS BALL VALVES

A. Brass Ball Valves, Two Piece with Full Port and Brass Trim, Threaded or Soldered Ends:

1. Standard: MSS SP-110; MSS SP-145.

2. CWP Rating: 600 psig.

3. Body Design: Two piece.

BALL VALVES FOR PLUMBING PIPING 220523.12 - 3

4. Body Material: Forged brass.

5. Ends: Threaded or soldered.

6. Seats: PTFE.

7. Stem: Brass.

8. Ball: Chrome-plated brass.

9. Port: Full.

2.4 BRONZE BALL VALVES

A. Bronze Ball Valves, Two Piece with Full Port, and Bronze or Brass Trim, Threaded or Soldered Ends:

1. Standard: MSS SP-110; MSS SP-145.

2. CWP Rating: 600 psig.

3. Body Design: Two piece.

4. Body Material: Bronze.

5. Ends: Threaded or soldered.

6. Seats: PTFE.

7. Stem: Bronze or brass.

8. Ball: Chrome-plated brass.

9. Port: Full.

PART 3 - EXECUTION

3.1 EXAMINATION

A. 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.

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

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

D. 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.

E. Do not attempt to repair defective valves; replace with new valves. Remove defective valves from site.

3.2 INSTALLATION OF VALVES

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

BALL VALVES FOR PLUMBING PIPING 220523.12 - 4

B. Provide support to piping adjacent to valves such that no force is imposed upon valves.

C. Locate valves for easy access.

D. For valves in horizontal piping, install valves with stem at or above center of pipe.

E. Install valves in position to allow full valve actuation movement.

F. Valve Tags: Comply with requirements in Section 220553 "Identification for Plumbing Piping and Equipment" for valve tags and schedules.

G. Adhere to manufacturer's written installation instructions. When soldering or brazing valves, do not heat valves above maximum permitted temperature. Do not use solder with melting point temperature above valve manufacturer's recommended maximum.

3.3 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 exhibiting leakage.

3.4 GENERAL REQUIREMENTS FOR VALVE APPLICATIONS

A. If valves with specified CWP ratings are unavailable, provide the same types of valves with higher CWP ratings.

B. Select valves with the following end connections:

1. For Copper Tubing, NPS 2 (DN 50) and Smaller: Threaded ends except where solder-joint valve-end option or press-end option is indicated in valve schedules below.

3.5 DOMESTIC HOT- AND COLD-WATER VALVE SCHEDULE

A. Pipe NPS 2 (DN 50) and Smaller:

1. Brass ball valves, two piece with full port, and brass trim. Provide with threaded or solder-joint ends.

2. Bronze ball valves, two piece with full port, and bronze or brass trim. Provide with threaded or solder-joint ends.

END OF SECTION 220523.12

CHECK VALVES FOR PLUMBING PIPING 220523.14 - 1

SECTION 220523.14 - CHECK VALVES FOR PLUMBING PIPING

PART 1 - GENERAL

1.1 DEFINITIONS

A. CWP: Cold working pressure.

B. EPDM: Ethylene propylene-diene terpolymer.

C. NBR: Nitrile butadiene rubber (also known as Buna-N).

1.2 ACTION SUBMITTALS

A. Product Data:

1. Bronze, swing check valves.

1.3 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, press connections, and weld ends.

3. Set 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 stems or other components as lifting or rigging points unless specifically indicated for this purpose in manufacturer's instructions.

PART 2 - PRODUCTS

2.1 SOURCE LIMITATIONS

A. Obtain each type of valve from single source from single manufacturer.

CHECK VALVES FOR PLUMBING PIPING 220523.14 - 2

2.2 PERFORMANCE REQUIREMENTS

A. Standards:

1. Domestic water piping check valves intended to convey or dispense water for human consumption are to comply with the U.S. Safe Drinking Water Act (SDWA), requirements of authorities having jurisdiction, and NSF 61/NSF 372, or to be certified in compliance with NSF 61/NSF 372 by an American National Standards Institute (ANSI)-accredited third-party certification body that the weighted average lead content at wetted surfaces is less than or equal to 0.25 percent.

B. ASME Compliance:

1. ASME B1.20.1 for threads for threaded end valves.

2. ASME B16.10 and ASME B16.34 for ferrous valve dimensions and design criteria.

3. ASME B16.18 for cast-copper solder joint.

4. ASME B16.22 for wrought copper solder joint.

5. ASME B31.9 for building services piping valves.

C. AWWA Compliance: Comply with AWWA C606 for groove-end connections.

D. Provide bronze valves made with dezincification-resistant materials. Bronze valves made with copper alloy (brass) containing more than 15 percent zinc are unacceptable.

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

F. Valve Sizes: Same as upstream piping unless otherwise indicated.

G. Valve Bypass and Drain Connections: MSS SP-45.

2.3 BRONZE, SWING CHECK VALVES

A. Bronze, Swing Check Valves with Bronze Disc, Class 125:

1. Standard: MSS SP-80, Type 3.

2. CWP Rating: 200 psig.

3. Body Design: Horizontal flow.

4. Body Material: ASTM B62, bronze.

5. Ends: Threaded or soldered. See valve schedule articles.

6. Disc: Bronze.

B. Bronze, Swing Check Valves with Nonmetallic Disc, Class 125:

1. Standard: MSS SP-80, Type 4.

2. CWP Rating: 200 psig.

3. Body Design: Horizontal flow.

CHECK VALVES FOR PLUMBING PIPING 220523.14 - 3

4. Body Material: ASTM B62, bronze.

5. Ends: Threaded or soldered. See valve schedule articles.

6. Disc: PTFE.

PART 3 - EXECUTION

3.1 EXAMINATION

A. 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.

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

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

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

3.2 INSTALLATION OF VALVES

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

B. Provide support of piping adjacent to valves such that no force is imposed upon valves.

C. Locate valves for easy access and where not blocked by equipment, other piping, or building components.

D. Install valves so that stems are horizontal or slope upward from centerline of pipe.

E. Install valves in position that does not project into aisles or block access to other equipment.

F. Install valves in position to allow full stem and manual operator movement.

G. Verify that joints of each valve have been properly installed and sealed to assure there is no leakage or damage.

H. Check Valves: Install check valves for proper direction of flow.

1. Swing Check Valves: In horizontal position with hinge pin level.

I. Install valve tags. Comply with requirements in Section 220553 "Identification for Plumbing Piping and Equipment" for valve tags and schedules.

CHECK VALVES FOR PLUMBING PIPING 220523.14 - 4

J. Adhere to manufacturer's installation instructions. When soldering or brazing valves, do not heat valves above maximum permitted temperature. Do not use solder with melting point temperature above valve manufacturer's recommended maximum.

3.3 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.

3.4 GENERAL REQUIREMENTS FOR VALVE APPLICATIONS

A. If valves with specified CWP ratings are unavailable, the same types of valves with higher CWP ratings may be substituted.

B. End Connections:

1. For Copper Tubing, NPS 2 (DN 50) and Smaller: Threaded, soldered, or press-end connections.

3.5 DOMESTIC HOT- AND COLD-WATER VALVE SCHEDULE

A. Pipe NPS 2 (DN 50) and Smaller:

1. Bronze, swing check valves with bronze or nonmetallic disc, Class 125, with soldered or threaded end connections.

END OF SECTION 220523.14

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 1

SECTION 220529 - HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT

PART 1 - GENERAL

1.1 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Delegated Design Submittals: For trapeze hangers indicated to comply with performance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

1. Detail fabrication and assembly of trapeze hangers.

2. Include design calculations for designing trapeze hangers.

1.2 INFORMATIONAL SUBMITTALS

A. Welding certificates.

1.3 QUALITY ASSURANCE

A. Structural-Steel Welding Qualifications: Qualify procedures and personnel according to

AWS D1.1/D1.1M.

B. Pipe Welding Qualifications: Qualify procedures and operators according to 2015 ASME Boiler and Pressure Vessel Code, Section IX.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Delegated Design: Engage a qualified professional engineer, as defined in Section 014000 "Quality Requirements," to design trapeze pipe hangers and equipment supports.

B. Structural Performance: Hangers and supports for plumbing piping and equipment shall withstand the effects of gravity loads and stresses within limits and under conditions indicated according to ASCE/SEI 7.

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

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

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 2

2.2 METAL PIPE HANGERS AND SUPPORTS

A. Carbon-Steel Pipe Hangers and Supports:

1. Description: MSS SP-58, Types 1 through 58, factory-fabricated components.

2. Galvanized Metallic Coatings: Pregalvanized, hot-dip galvanized, or electro-galvanized.

3. Nonmetallic Coatings: Plastic coated or epoxy powder coated.

4. Padded Hangers: Hanger with fiberglass or other pipe insulation pad or cushion to support bearing surface of piping.

5. Hanger Rods: Continuous-thread rod, nuts, and washer made of carbon steel or stainless steel.

B. Copper Pipe and Tube Hangers:

1. Description: MSS SP-58, Types 1 through 58, copper-coated-steel, factory-fabricated components.

2. Hanger Rods: Continuous-thread rod, nuts, and washer made of copper-coated steel or stainless steel.

2.3 THERMAL HANGER-SHIELD INSERTS

A. Insulation-Insert Material for Cold Piping: ASTM C552, Type II cellular glass with 100-psig minimum compressive strength and vapor barrier.

B. Insulation-Insert Material for Hot Piping: ASTM C552, Type II cellular glass with 100-psig minimum compressive strength.

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

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

2.4 PIPE-POSITIONING SYSTEMS

A. Description: IAPMO PS 42 positioning system composed of metal brackets, clips, and straps for positioning piping in pipe spaces; for plumbing fixtures in commercial applications.

2.5 EQUIPMENT SUPPORTS

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

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 3

2.6 MATERIALS

A. Aluminum: ASTM B221.

B. Carbon Steel: ASTM A1011/A1011M.

C. Structural Steel: ASTM A36/A36M carbon-steel plates, shapes, and bars; black and galvanized.

D. Stainless Steel: ASTM A240/A240M.

E. Grout: ASTM C1107/C1107M, 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 APPLICATION

A. Comply with requirements in Section 078413 "Penetration Firestopping" for firestopping materials and installation, for penetrations through fire-rated walls, ceilings, and assemblies.

B. Strength of Support Assemblies: Where not indicated, select sizes of components, so strength will be adequate to carry present and future static loads within specified loading limits. Minimum static design load used for strength determination shall be weight of supported components plus 200 lb.

3.2 INSTALLATION OF HANGERS AND SUPPORTS

A. Metal Pipe-Hanger Installation: Comply with MSS SP-58. Install hangers, supports, clamps, and attachments as required to properly support piping from building structure.

B. Thermal Hanger-Shield Installation: Install in pipe hanger or shield for insulated piping.

C. Pipe-Positioning-System Installation: Install support devices to make rigid supply and waste piping connections to each plumbing fixture.

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

E. Equipment Support Installation: Fabricate from welded-structural-steel shapes.

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 4

F. Install hangers and supports to allow controlled thermal and seismic movement 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.

G. Install lateral bracing with pipe hangers and supports to prevent swaying.

H. Install building attachments within concrete slabs or attach to structural steel. Install additional attachments at concentrated loads, including valves, flanges, and strainers, NPS 2-1/2 and larger and at changes in direction of piping. Install concrete inserts before concrete is placed; fasten inserts to forms, and install reinforcing bars through openings at top of inserts.

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

J. Pipe Slopes: Install hangers and supports to provide indicated pipe slopes and to not exceed maximum pipe deflections allowed by ASME B31.9 for building services piping.

K. Insulated Piping:

1. Attach clamps and spacers to piping.

a. Piping Operating Above Ambient Air Temperature: Clamp may project through insulation.

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

c. Do not exceed pipe stress limits allowed by ASME B31.9 for building services piping.

2. MSS SP-58, Type 39: Install protection saddles if insulation without vapor barrier is indicated. Fill interior voids with insulation that matches adjoining insulation.

a. Option: Thermal hanger-shield inserts may be used. Include steel weight-distribution plate for pipe NPS 4 and larger if pipe is installed on rollers.

3. MSS SP-58, Type 40: Install protective shields on cold piping with vapor barrier.

Shields shall span an arc of 180 degrees.

a. Option: Thermal hanger-shield inserts may be used. Include steel weight-distribution plate for pipe NPS 4 and larger if pipe is installed on rollers.

4. Shield Dimensions for Pipe: Not less than the following:

a. NPS 1/4 to NPS 3-1/2 (DN 8 to DN 90): 12 inches long and 0.048 inch thick.

5. Pipes NPS 8 (DN 200) and Larger: Include wood or reinforced calcium-silicate-insulation inserts of length at least as long as protective shield.

6. Thermal Hanger Shields: Install with insulation of same thickness as piping insulation.

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 5

3.3 INSTALLATION OF EQUIPMENT SUPPORTS

A. Fabricate structural-steel stands to suspend equipment from structure overhead or to support equipment above floor.

B. Grouting: Place grout under supports for equipment, and make bearing surface smooth.

C. Provide lateral bracing, to prevent swaying, for equipment supports.

3.4 METAL FABRICATIONS

A. Cut, drill, and fit miscellaneous metal fabrications for and equipment supports.

B. Fit exposed connections together to form hairline joints. Field weld connections that cannot be shop welded because of shipping size limitations.

C. Field Welding: Comply with AWS D1.1/D1.1M procedures for shielded, metal arc welding; appearance and quality of welds; and methods used in correcting welding work; and with the following:

1. Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals.

2. Obtain fusion without undercut or overlap.

3. Remove welding flux immediately.

4. Finish welds at exposed connections, so no roughness shows after finishing and so contours of welded surfaces match adjacent contours.

3.5 ADJUSTING

A. Hanger Adjustments: Adjust hangers to distribute loads equally on attachments and to achieve indicated slope of pipe.

B. Trim excess length of continuous-thread hanger and support rods to 1-1/2 inches.

3.6 HANGER AND SUPPORT SCHEDULE

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

B. Comply with MSS SP-58 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 finishes.

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 6

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

E. Use carbon-steel pipe hangers and supports and attachments for general service applications.

F. Use copper-plated pipe hangers and copper or stainless steel attachments for copper piping and tubing.

G. Use padded hangers for piping that is subject to scratching.

H. Use thermal hanger-shield inserts for insulated piping and tubing.

I. Horizontal-Piping Hangers and Supports: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Adjustable, Steel Clevis Hangers (MSS Type 1): For suspension of noninsulated or insulated, stationary pipes NPS 1/2 to NPS 30.

2. Carbon- or Alloy-Steel, Double-Bolt Pipe Clamps (MSS Type 3): For suspension of pipes NPS 3/4 to NPS 36, requiring clamp flexibility and up to 4 inches of insulation.

3. Steel Pipe Clamps (MSS Type 4): For suspension of cold and hot pipes NPS 1/2 to NPS 24 if little or no insulation is required.

4. Pipe Hangers (MSS Type 5): For suspension of pipes NPS 1/2 to NPS 4, to allow off-center closure for hanger installation before pipe erection.

5. Adjustable, Steel Band Hangers (MSS Type 7): For suspension of noninsulated, stationary pipes NPS 1/2 to NPS 8.

6. Adjustable, Swivel-Ring Band Hangers (MSS Type 10): For suspension of noninsulated, stationary pipes NPS 1/2 to NPS 8.

7. Split Pipe Ring with or without Turnbuckle Hangers (MSS Type 11): For suspension of noninsulated, stationary pipes NPS 3/8 to NPS 8.

8. Extension Hinged or Two-Bolt Split Pipe Clamps (MSS Type 12): For suspension of noninsulated, stationary pipes NPS 3/8 to NPS 3.

9. U-Bolts (MSS Type 24): For support of heavy pipes NPS 1/2 to NPS 30.

10. Clips (MSS Type 26): For support of insulated pipes not subject to expansion or contraction.

J. Vertical-Piping Clamps: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Extension Pipe or Riser Clamps (MSS Type 8): For support of pipe risers NPS 3/4 to NPS 24.

2. Carbon- or Alloy-Steel Riser Clamps (MSS Type 42): For support of pipe risers NPS 3/4 to NPS 24 if longer ends are required for riser clamps.

K. Hanger-Rod Attachments: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Steel Turnbuckles…