26B1516001 RENOVATE BUILDINGS 536Q+534Q CG SPECS PART 3.pdf

FIRE SUPPRESSION SYSTEM 210000 - 1

SECTION 210000 - FIRE-SUPPRESSION SYSTEM

PART ONE GENERAL

1.01 SUMMARY

A. Work under this contract includes providing a fire-suppression system, equipment, accessories, to include a dry-pipe first floor and attic branches.

B. Provide fire-suppression system, equipment, accessories, and may include a dry-pipe attic branch with a wet-pipe first floor branch as indicated.

1. Dry-Pipe Suppression System - System with automatic sprinklers attached to piping system containing compressed air from sprinkler system air compressor. Release of pressure (opening of sprinklers) permits water pressure to open dry-pipe valve. Water then flows into piping and discharges through open sprinklers.

a. Pressuring Gas - Compressed air, from sprinkler system air compressor.

b. THE DRAWING SHOWS A DRY SYSTEM. IF THE CONTRACTOR SO CHOOSES, THE

CONTRACTOR SHALL INSTALL ALL PIPING BELOW THE TRUSS LINE, OUTSIDE OF

THE MECHANICAL ROOM, IN AN DMVA APPROVED STUD AND GYPSUM

WALLBOARD SOFFIT SYSTEM. THIS SOFFIT SYSTEM SHALL BE INSTALLED TIGHT

TO THE WALL/CEILING LINE AND SHALL NOT INTERFERE WITH THE DESIGN AND

LAYOUT OF ANY OTHER DISCIPLINE'S MATERIALS. IN CHOOSING THIS OPTION,

THE CONTRACTOR SHALL INCLUDE IN THE CONTRACTOR’S BID ALL MATERIALS

TO BUILD AND FINISH THIS APPROVED SOFFIT SYSTEM. (DISCIPLINE REFERS TO

PLUMBING, MECHANICAL, ELECTRICAL, ETC., ALL THE DIFFERENT TRADES

WITHIN THE SCOPE OF THIS CONTRACT.) THERE WILL NOT BE ANY ADDITIONS

COSTS ASSOCIATED WITH THIS DESIGN DUE TO CONFLICTS WITH THE OTHER

DISCIPLINES.

1.02 PERFORMANCE REQUIREMENTS

A. Delegated Design: Design sprinkler system(s), including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.

B. Modify Bid Document Design as required and obtain approval from authorities having jurisdiction.

1. Margin of Safety for Available Water Flow and Pressure: 10 percent, including losses through water-service piping, valves, and backflow preventers.

2. Sprinkler Occupancy Hazard Classifications:

a. Mechanical Equipment Rooms and Kitchens: Ordinary Hazard, Group 1.

b. All Other Areas: Light Hazard.

3. Minimum Density for Automatic-Sprinkler Piping Design:

a. Light-Hazard Occupancy: 0.10 gpm over 1500-sq. ft. area.

b. Ordinary-Hazard, Group 1 Occupancy: 0.15 gpm over 1500-sq. ft. area.

4. Maximum Protection Area per Sprinkler: According to NFPA 13 recommendations.

5. Total Combined Hose-Stream Demand Requirement: According to NFPA 13 unless otherwise indicated:

a. Light-Hazard Occupancies: 100 gpm for 30 minutes.

b. Ordinary-Hazard Occupancies: 250 gpm for 60 to 90 minutes.

6. Components and Installation - Capable of producing piping system of 175 PSIG minimum working pressure, unless otherwise indicated.

C. Seismic Performance: Sprinkler piping shall withstand the effects of earthquake motions determined according to NFPA 13 and ASCE/SEI 7.

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 2

1.03 SUBMITTALS

A. Product Data: For the following:

1. Pipe and fitting materials and methods of joining for sprinkler piping.

2. Pipe hangers and supports.

3. Piping seismic restraints.

4. Valves, including specialty valves, accessories, and devices.

5. Alarm devices. Include electrical data.

6. Air compressor. Include electrical data.

7. Fire department connections. Include type; number, size, and arrangement of inlets; caps and chains;

size and direction of outlet; escutcheon and marking; and finish.

8. Sprinklers, escutcheons, and guards. Include sprinkler flow characteristics, mounting, finish, and other pertinent data.

B. Approved Sprinkler Piping Drawings - Working plans, prepared according to NFPA 13, that have been approved by authorities having jurisdiction. Include hydraulic calculations, if applicable.

C. Field Test Reports and Certificates - Indicate and interpret test results for compliance with performance requirements and as described in NFPA 13. Include "Contractor's Material and Test Certificate for Aboveground Piping" and "Contractor's Material and Test Certificate for Underground Piping."

D. Field Flow Test Report – The contractor is required to perform a Flow Test on/at the existing fire hydrant.

The results shall be submitted to DMVA in Report form with the Testing Agency’s Name appearing in the Letterhead and date of test.

E. Maintenance Data for each type of fire protection specialty, to include in "Operating and Maintenance

Manual".

F. Operation and maintenance data.

1.04 QUALITY ASSURANCE

A. Installer Qualifications:

1. Installer's responsibilities include designing, fabricating, and installing sprinkler systems and providing professional engineering services needed to assume engineering responsibility. Base calculations on results of fire-hydrant flow test.

2. Engineering Responsibility: Preparation of working plans, calculations, and field test reports by a qualified professional engineer.

B. Engineering Responsibility - Preparation of working plans, calculations, and field test reports by a qualified professional engineer

C. Professional Engineer Qualifications - A professional engineer who is legally qualified to practice in jurisdiction where Project is located and who is experienced in providing engineering services of the kind indicated. Engineering services are defined as those performed for installations of fire-suppression piping that are similar to those indicated for this Project in material, design, and extent.

D. Manufacturer Qualifications - Firms whose equipment, specialties, and accessories are listed by product name and manufacturer in UL's "Fire Protection Equipment Directory" and FM's "Fire Protection Approval Guide" and that comply with other requirements indicated.

E. NFPA Standards: Sprinkler system equipment, specialties, accessories, installation, and testing shall comply with the following:

1. NFPA 13, "Installation of Sprinkler Systems."

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 3

2. NFPA 101, "Life Safety Code."

F. Sprinkler Components - Listing/approval stamp, label or other marking by a testing agency acceptable to authorities having jurisdiction.

G. Electrical Components, Devices, and Accessories - Listed and labeled as defined in NFPA 70, Article

100, by a testing agency acceptable to authorities having jurisdiction.

PART TWO PRODUCTS

2.01 MANUFACTURERS - Subject to compliance with requirements, provide products by one of the following:

A. Specialty Valves and Devices

1. Badger Fire Protection, Inc

2. Central Sprinkler Corp

3. Firematic Sprinkler Devices, Inc.

4. Globe Fire Sprinkler Corp.

5. Grinnell Corp

6. Reliable Automatic Sprinkler Co., Inc.

7. Star Sprinkler Corp.

8. Viking Corp

B. Waterflow Indicators and Supervisory Switches

1. Gamewell Co

2. Grinnell Corp

3. Pitway Corp.; System Sensor Div.

4. Reliable Automatic Sprinkler Co., Inc.

5. Viking Corp

6. Watts Regulator Co.

C. Sprinkler, Drain and Alarm Test Fittings

1. Central Sprinkler Corp.

2. Fire-End and Croker Corp.

3. Grinnell Corp.

D. Sprinkler, Branch-Line Test Fittings

1. Elkhard Brass Mfg. Co., Inc.

2. Fire-End and Croker Corp.

3. Smith Industries, Inc.; Potter-Roemer Div

E. Sprinkler, Inspector's Test Fittings

1. Fire-End and Croker Corp.

2. J Innovations, Inc.

3. Triple R Specialty of Ajax, Inc.

F. Fire Department Connections

1. Badger Fire Protection, Inc.

2. Elkhart Brass Mfg. Co., Inc.

3. Fire-End and Croker Corp.

4. Firematic Sprinkler Devices, Inc.

5. Grinnell Corp.

6. Guardian Fire Equipment, Inc.

7. Reliable Automatic Sprinkler Co., Inc.

8. Smith Industries, Inc.; Potter-Roemer Div.

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 4

G. Sprinklers

1. Badger Fire Protection, Inc.

2. Central Sprinkler Corp.

3. Firematic Sprinkler Devices, Inc.

4. Globe Fire Sprinkler Corp.

5. Grinnell Corp.

6. Reliable Automatic Sprinkler Co., Inc.

7. Star Sprinkler Corp.

8. Viking Corp.

H. Indicator Valves

1. Central Sprink, Inc.

2. Grinnell Corp.

3. McWane, Inc.; Clow Valve Co. Div

4. Milwaukee Valve Co., Inc.

5. Nibco, Inc.

6. Victaulic Company of America

I. Fire Protection Service Valves

1. Central Sprink, Inc.

2. Central Sprinkler Corp.

3. Grinnell Corp.

4. McWane, Inc.; Kennedy Valve Div.

5. Nibco, Inc.

6. Stockham Valves and Fittings, Inc.

7. Victaulic Co. of America

2.02 STEEL PIPE AND FITTINGS

A. Standard Weight, Galvanized- and Black-Steel Pipe: ASTM A 53, Pipe ends may be factory or field formed to match joining method.

B. Galvanized- and Black-Steel Pipe Nipples: ASTM A 733, made of ASTM A 53 standard-weight, seamless steel pipe with threaded ends.

C. Galvanized and Uncoated, Steel Couplings: ASTM A 865, threaded.

D. Galvanized and Uncoated, Gray-Iron Threaded Fittings: ASME B16.4, Class 125, standard pattern.

E. Malleable- or Ductile-Iron Unions NPS 2 and smaller: UL 860.

F. Cast-Iron Flanges: ASME 16.1, Class 125.

G. Steel Flanges and Flanged Fittings: ASME B16.5, Class 150.

2.03 PIPE AND TUBE FITTINGS

A. Malleable-Iron Threaded Fittings - ASME B16.3, Class 300, standard pattern, with threads according to

ASME B1.20.1.

B. Wrought Copper Fittings - ASME B16.22, streamlined pattern.

2.04 PIPING JOINING MATERIALS

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 5

A. Pipe-Flange Gasket Materials: AWWA C110, rubber, flat face, 1/8 inch thick or ASME B16.21, nonmetallic and asbestos free.

1. Class 125, Cast-Iron Flat-Face Flanges: Full-face gaskets.

B. Metal, Pipe-Flange Bolts and Nuts: ASME B18.2.1, carbon steel unless otherwise indicated.

2.05 LISTED FIRE-PROTECTION VALVES

A. General Requirements:

1. Valves shall be UL listed or FM approved.

2. Minimum Pressure Rating: 175 psig.

B. Check Valves:

1. Standard: UL 312.

2. Pressure Rating: 250 psig minimum.

3. Type: Swing check.

4. Body Material: Cast iron.

5. End Connections: Flanged.

C. Bronze OS&Y Gate Valves:

1. Standard: UL 262.

2. Pressure Rating: 175 psig.

3. Body Material: Bronze.

4. End Connections: Threaded.

D. Iron OS&Y Gate Valves:

1. Standard: UL 262.

2. Pressure Rating: 250 psig minimum.

3. Body Material: Cast or ductile iron.

4. End Connections: Flanged.

E. Indicating-Type Butterfly Valves:

1. Standard: UL 1091.

2. Pressure Rating: 175 psig minimum.

3. Valves NPS 2 and Smaller:

a. Valve Type: Ball or butterfly.

b. Body Material: Bronze.

c. End Connections: Threaded.

4. Valves NPS 2-1/2 and Larger:

a. Valve Type: Butterfly.

b. Body Material: Cast or ductile iron.

c. End Connections: Flanged, grooved, or wafer.

5. Valve Operation: Integral electrical, 115-V ac, prewired, single-circuit, supervisory switch indicating device.

2.06 SPECIALTY VALVES

1. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM

Global, listing.

2. Minimum Pressure Rating: 175 psig (1200 kPa).

3. Body Material: Cast or ductile iron.

4. Size: Same as connected piping.

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 6

5. End Connections: Flanged

B. Alarm Valves:

1. Standard: UL 193.

2. Design: For horizontal or vertical installation.

3. Include trim sets for bypass, drain, electrical sprinkler alarm switch, pressure gages, retarding chamber, and fill-line attachment with strainer.

4. Drip Cup Assembly: Pipe drain with check valve to main drain piping.

C. Automatic (Ball Drip) Drain Valves:

1. Standard: UL 1726.

2. Pressure Rating: 175 psig minimum.

3. Type: Automatic draining, ball check.

4. Size: NPS 3/4.

5. End Connections: Threaded.

D. Dry-Pipe Valves - UL 260, differential type, 175 psig working pressure, with cast-iron flanged inlet and outlet, bronze seat with O-ring seals, and single-hinge pin and latch design. Include UL 1486, quick-opening devices, trim sets for air supply, drain, priming level, alarm connections, ball drip valves, pressure gages, priming chamber attachment, and fill line attachment.

E. Air-Pressure Maintenance Devices for Dry-Pipe Systems - Automatic device to maintain correct air pressure in dry-pipe system. Include shutoff valves to permit servicing without shutting down sprinkler system, bypass valve for quick system filling, pressure regulator or switch to maintain system pressure, strainer, pressure ratings 14 psig to 60 psig adjustable range, and 175 psig maximum inlet pressure.

1. Air Compressor - Fractional horsepower, 120 volts a.c., 60 Hz, single phase.

F. Deluge Valve - UL 260, cast-iron body, 175 psig working pressure, hydraulically operated, differential-pressure-type valve. Valve shall have flanged inlet and outlet, and bronze seat with O-ring seals. Include trim sets for bypass, drain, electric sprinkler alarm switch, pressure gages, drip cup assembly piped without valves separate from main drain line, fill line attachment with strainer, and push rod chamber supply connection.

1. Include Dry pilot line trim set include dry pilot actuator, air and water pressure gages, low air pressure warning switch, air relief valve, and actuation device. Dry pilot line actuator includes cast iron, 175 psig working pressure, air operated, diaphragm-type valve with resilient facing plate, resilient diaphragm, and replaceable bronze seat. Valve includes threaded water and air inlets and water outlet. Loss of air pressure on dry pilot line side allows pilot line actuator to open and causes deluge valve to open automatically.

2.07 FIRE DEPARTMENT CONNECTIONS

A. Exposed, Wall-Type Fire Department Connection - UL 405, cast-brass body, HN-standard thread inlets according to NFPA 1963 and matching local fire department threads, and threaded NPS outlet. Include lugged cap, gasket, and chain; lugged swivel connection and drop clappers for each hose connection inlet;

and round wall escutcheon plate with marking "AUTO SPKR & STANDPIPE."

1. Connections - Two 2 1/2" inlets and 4" outlet.

2. Direction of Outlet - Back, angle.

3. Finish - Polished brass.

2.08 SPRINKLER SPECIALTY PIPE FITTINGS

A. Specialty Fittings - UL-listed and FM-approved, made of steel, ductile iron, or other materials compatible with system materials and applications where used.

1. Dry-Pipe-System Fittings - UL-listed for dry-pipe service.

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 7

B. Branch Outlet Fittings:

1. Standard: UL 213.

2. Pressure Rating: 175 psig minimum.

3. Body Material: Ductile-iron housing with EPDM seals and bolts and nuts.

4. Type: Mechanical-T and -cross fittings.

5. Configurations: Snap-on and strapless, ductile-iron housing with branch outlets.

6. Size: Of dimension to fit onto sprinkler main and with outlet connections as required to match connected branch piping.

7. Branch Outlets: plain-end, or threaded.

C. Flow Detection and Test Assemblies:

1. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

2. Pressure Rating: 175 psig minimum.

3. Body Material: Cast- or ductile-iron housing with orifice, sight glass, and integral test valve.

5. Inlet and Outlet: Threaded.

D. Branch Line Testers:

1. Standard: UL 199.

2. Pressure Rating: 175 psig minimum.

3. Body Material: Brass.

4. Size: Same as connected piping.

5. Inlet: Threaded.

6. Drain Outlet: Threaded and capped.

7. Branch Outlet: Threaded, for sprinkler.

E. Sprinkler Inspector's Test Fittings:

1. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

2. Pressure Rating: 175 psig minimum.

3. Body Material: Cast- or ductile-iron housing with sight glass.

5. Inlet and Outlet: Threaded.

F. Adjustable Drop Nipples:

1. Standard: UL 1474.

2. Pressure Rating: 250 psig minimum.

3. Body Material: Steel pipe with EPDM-rubber O-ring seals.

4. Size: Same as connected piping.

5. Length: Adjustable.

6. Inlet and Outlet: Threaded.

G. Flexible, Sprinkler Hose Fittings:

1. Standard: UL 1474.

2. Type: Flexible hose for connection to sprinkler, and with bracket for connection to ceiling grid.

3. Pressure Rating: 175 psig minimum.

4. Size: Same as connected piping, for sprinkler.

2.09 SLEEVES

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 8

A. Cast-Iron Wall Pipes: Cast or fabricated of cast or ductile iron and equivalent to ductile-iron pressure pipe, with plain ends and integral waterstop unless otherwise indicated.

B. Galvanized-Steel Wall Pipes: ASTM A 53/A 53M, Schedule 40, with plain ends and welded steel collar;

zinc coated.

C. Galvanized-Steel-Pipe Sleeves: ASTM A 53/A 53M, Type E, Grade B, Schedule 40, zinc coated, with plain ends.

2.10 SLEEVE-SEAL FITTINGS

A. Description: Manufactured plastic, sleeve-type, waterstop assembly made for imbedding in concrete slab or wall. Unit has plastic or rubber waterstop collar with center opening to match piping OD.

2.11 GROUT

A. Standard: ASTM C 1107/C 1107M, Grade B, post-hardening and volume-adjusting, dry, hydraulic-cement grout.

1. Characteristics: Nonshrink; recommended for interior and exterior applications.

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

3. Packaging: Premixed and factory packaged.

2.12 ESCUTCHEONS

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

2.13 SPRINKLERS

1. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

2. Pressure Rating for Automatic Sprinklers: 175 psig minimum.

B. Automatic Sprinklers with Heat-Responsive Element:

1. Nonresidential Applications: UL 199.

2. Residential Applications: UL 1626.

3. Characteristics: Nominal 1/2-inch orifice with Discharge Coefficient K of 5.6, and for "Ordinary" temperature classification rating unless otherwise indicated or required by application.

C. Sprinkler Types - features and options include:

1. Flush ceiling sprinklers, including escutcheon.

2. Pendent sprinklers.

3. Pendent, dry type sprinklers.

4. Quick-response sprinklers.

5. Sidewall sprinklers.

6. Sidewall, dry-type sprinklers

7. Upright Sprinklers.

D. Sprinkler Finishes -

1. Finished Spaces - Chrome-plated.

2. Unfinished Spaces – bronze or painted.

2.14 ALARM DEVICES

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 9

A. Alarm Devices - Types and sizes that will match piping and equipment connections.

B. Water-Motor-Operated Alarms - UL 753, mechanical operation type, 10" diameter, cast-aluminum alarm gong, with red enamel factory finish. Include Pelton-wheel-type operator with nylon shaft bearings, and shaft length and sleeve to suit wall thickness and construction, 3/4" inlet and 1" drain.

C. Waterflow Indicators - UL 346, electrical-supervision type, vane-type waterflow detector, rated to 250 psig, and designed for horizontal or vertical installation. Include 2 SPDT (single-pole, double-throw) circuit switches to provide isolated alarm and auxiliary contacts, 7 ampere, 125 volts a.c. and 0.25 ampere, 24 volts d.c.; complete with factory-set, field-adjustable retard element to prevent false signals and tamper-proof cover that sends a signal when cover is removed.

D. Pressure Switches - UL 753, waterflow switch with retard, electrical-supervision type, SPDT, normally closed contacts, designed to operate on rising pressure and signal water flow.

E. Supervisory Switches - UL 753, for valves, electrical-supervision type. SPDT, normally closed contacts, designed to signal controlled valve in other than full open position.

F. Supervisory Switches - UL 753, for indicator posts, electrical-supervision type, SPDT, normally closed contacts, designed to signal controlled valve in other than full open position.

2.15 PRESSURE GAUGES

A. UL 393, 3 1/2 to 4 1/2" diameter dial with dial range of 2\0-250 psig.

1. Water System Piping Gage: Include "WATER" or "AIR/WATER" label on dial face.

2. Air System Piping Gage: Include "AIR" or "AIR/WATER" label on dial face.

2.16 CONTROL PANEL - See, Section 283111 DIGITAL ADDRESSABLE FIRE ALARM SYSTEM.

2.17 BACKFLOW PREVENTER

A. General - ASSE standard backflow preventer, of size indicated for maximum flow rate indicated and maximum pressure loss indicated.

1. Working Pressure - 150 psig minimum, except where indicated otherwise.

2. Bronze, case iron, steel, or stainless steel body with flanged ends.

3. Interior Lining - FDA-approved epoxy coating, for backflow preventers having cast-iron or steel body.

4. Interior Components - Corrosion-resistant materials.

5. Strainer on inlet, where strainer is indicated.

B. Double-Check Backflow Prevention Assembly - ASSE 1015, consisting of shutoff valves on inlet and outlet and strainer on inlet. Include test cocks with 2 positive-seating check valves for continuous pressure application.

1. Pressure Loss - 5 psig maximum, through middle third of flow range.

C. Double-Check Detector Assembly Backflow Preventer - UL 312 and ASSE 1048, consisting of OS&Y gate valves on inlet and outlet and strainer on inlet. Include 2 positive-seating check valves and test cocks, and bypass with displacement type water meter, valves, and double-check backflow preventer, for continuous pressure application.

1. Pressure Loss - 5 psig maximum, through middle third of flow range.

2.18 ALARM DEVICES

A. Alarm Devices - Types and sizes that will match piping and equipment connections.

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 10

B. Water-Motor-Operated Alarms - UL 753, mechanical operation type, 10" diameter, cast-aluminum alarm gong, with red enamel factory finish. Include Pelton-wheel-type operator with nylon shaft bearings, and shaft length and sleeve to suit wall thickness and construction, 3/4" inlet and 1" drain.

C. Waterflow Indicators - UL 346, electrical-supervision type, vane-type waterflow detector, rated to 250 psig, and designed for horizontal or vertical installation. Include 2 SPDT (single-pole, double-throw) circuit switches to provide isolated alarm and auxiliary contacts, 7 ampere, 125 volts a.c. and 0.25 ampere, 24 volts d.c.; complete with factory-set, field-adjustable retard element to prevent false signals and tamper-proof cover that sends a signal when cover is removed.

D. Pressure Switches - UL 753, waterflow switch with retard, electrical-supervision type, SPDT, normally closed contacts, designed to operate on rising pressure and signal water flow.

E. Supervisory Switches - UL 753, for valves, electrical-supervision type. SPDT, normally closed contacts, designed to signal controlled valve in other than full open position.

F. Supervisory Switches - UL 753, for indicator posts, electrical-supervision type, SPDT, normally closed contacts, designed to signal controlled valve in other than full open position.

PART THREE EXECUTION

3.01 SPRINKLER SYSTEM PIPING APPLICATIONS

A. Pipe Between Fire Department Connection and Backflow Preventer - Use galvanized-steel. Do not use welded joints.

B. Sizes 2" and smaller - Schedule 40 steel pipe with threaded ends, malleable-iron fittings, and threaded joints.

C. Sizes 2 1/2" to 6" - ASTM A 53, A 135, or A 795, Schedule 50 steel pipe with threaded ends, cast-iron or malleable-iron threaded fittings, and threaded joints.

3.02 PIPING INSTALLATION

A. Locations and arrangements - Drawings indicated general location and arrangement of piping. Install as indicated, as far as practical. Deviations from approved "working plans" for sprinkler piping requires written permission from authority having jurisdiction. File written approval with DMVA prior to deviating from approved "working plans."

B. Use approved fittings to make changes in direction, branch takeoffs from mains, and reductions in pipe sizes.

C. Install unions - adjacent to each valve in pipes 2" and smaller. Unions are not required on flanged devices.

D. Install flanges or flange adapters on valves, apparatus, and equipment having 2 1/2" and larger connections.

E. Install "Inspector's Test Connections" in sprinkler piping, complete with shutoff valve, sized and located according to NFPA 13.

F. Install sprinkler piping with drains for complete system drainage.

G. Install alarm devices in piping systems.

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

FIRE SUPPRESSION SYSTEM 210000 - 11

H. Install pressure gages on riser or feed main, at each sprinkler test connection. Include pressure gages with connection not less than 1/4" and with soft metal seated globe valve, arranged for draining pipe between gage and valve. Install gages to permit removal, and install where they will not be subject to freezing.

I. Install sleeves for piping penetrations of walls, ceilings, and floors.

J. Install sleeve seals for piping penetrations of concrete walls and slabs. Comply with requirements for sleeve seals.

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

3.03 SPECIALTY SPRINKLER FITTING INSTALLATIONS - Install according to manufacturer's written instructions.

3.04 VALVE INSTALLATIONS

A. Gate Valves - Install fire-protection service valves supervised-open, located to control sources of water supply except from fire department connections. Where there is more than 1 control valve, provide permanently marked identification signs indicating portions of system controlled by each valve.

B. Install backflow preventor in potable water supply system.

C. Alarm check valves - Install valves in vertical position for proper direction of flow, including bypass check valve and retard chamber drain line connection.

D. Dry-Pipe Valve - Install trim sets for air supply, drain, priming level, alarm connections, ball drip valves, pressure gages, priming chamber attachment, and fill line attachment.

E. Air Pressure Maintenance Devices for Dry-Pipe System - Install shut-off valves to permit servicing without shutting down sprinkler system, bypass valve for quick system filling, pressure regulator or switch to maintain system pressure, strainer, pressure ratings 14 psig to 60 psig adjustable range, and 175 psig maximum inlet pressure.

1. Install air compressor and compressed air supply piping.

2. Deluge Valves - Install in vertical position, in proper direction of flow, in main supply to deluge system.

F. Detector Check Valve - Install for proper direction of flow, located to detect system leakage and unauthorized use of water and to prevent backflow into public water mains.

3.05 BACKFLOW PREVENTER INSTALLATION - Install type, size, and capacity indicated. Comply with plumbing code and authority with jurisdiction. Install air-gap fitting on units with atmospheric vent connection and pipe relief outlet drain to nearest floor drain. Do not install bypass around backflow preventer.

3.06 SPRINKLER INSTALLATION - Install in patterns indicated.

3.07 FIRE-DEPARTMENT CONNECTION INSTALLATION

A. Install wall-type, fire-department connections.

B. Install automatic (ball drip) drain valve at each check valve for fire-department connection.

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

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3.08 IDENTIFICATION

A. Install labeling and pipe markers on equipment and piping according to requirements in NFPA 13.

B. Identify system components, wiring, cabling, and terminals. Comply with requirements for identification specified in Section 260553 IDENTIFICATION FOR ELECTRICAL SYSTEMS.

3.09 FIELD QUALITY CONTROL

A. Perform tests and inspections in presence of DMVA Inspector, Notify DMVA 24 hours prior to testing..

1. Leak Test: After installation, charge systems and test for leaks. Repair leaks and retest until no leaks exist.

2. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

3. Flush, test, and inspect sprinkler systems according to NFPA 13, "Systems Acceptance" Chapter.

4. Energize circuits to electrical equipment and devices.

5. Coordinate with fire-alarm tests. Operate as required.

6. Verify that equipment hose threads are same as local fire-department equipment.

B. Sprinkler piping system will be considered defective if it does not pass tests and inspections.

C. Prepare test and inspection reports.

3.10 COMMISSIONING

A. Verify that valves, fittings, and accessories have been installed correctly and operate correctly.

B. Verify that tests on piping are complete.

C. Check that potable water supplies have correct type backflow preventer.

END OF SECTION 210000

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

COMMON WORK RESULTS FOR PLUMBING 220500 - 1

SECTION 220500 - COMMON WORK RESULTS FOR PLUMBING

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes mechanical materials and work common to other HVAC sections as follows:

1. Sleeves and Sleeve Seals.

2. Grout.

3. Escutcheons and Floor Plates.

4. Pressure Gages and Test Plugs.

5. Hangers and Support for Plumbing piping.

1.2 SUBMITTALS

A. Product Data: For each type of product indicated.

PART 2 - PRODUCTS

2.1 SLEEVE AND SLEEVE SEALS

A. Galvanized-Steel Pipe Sleeves: ASTM A 53, Type E, Grade B, Schedule 40, galvanized, plain ends.

B. PVC Pipe: ASTM D 1785, Schedule 40.

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

D. Modular rubber sealing element unit, designed for field assembly, to fill annular space between pipe and sleeve.

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

2. Pressure Plates: Carbon steel.

3. Connecting Bolts and Nuts: Carbon steel, with corrosion-resistant coating, of length required to secure pressure plates to sealing elements.

2.2 GROUT

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

2.3 ESCUTCHEONS AND FLOOR PLATES

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

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

C. One-Piece Floor Plates: Cast-iron flange with holes for fasteners.

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COMMON WORK RESULTS FOR PLUMBING 220500 - 2

2.4 PRESSURE AND TEST PLUGS

A. Direct-Mounted, Metal-Case, Dial-Type Pressure Gages:

1. Standard: ASME B40.100.

2. Case: Sealed Open-front, pressure relief type(s); cast aluminum or drawn steel; 4-1/2-inch nominal diameter.

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

4. Dial: Nonreflective aluminum with permanently etched scale markings graduated in psi .

5. Pointer: Dark-colored metal.

6. Window: Plastic.

7. Ring: Metal.

8. Accuracy: Grade A, plus or minus 1 percent of middle half of scale range.

B. Test Plug: Corrosion-resistant brass or stainless-steel body with two self-sealing rubber core inserts and gasketed and threaded cap, with extended stem for units to be installed in insulated piping. Minimum pressure and temperature rating of 500 psig at 200 deg F.

2.5 HANGARS AND SUPPORTS FOR PLUMBING

A. Carbon-Steel Pipe Hangers and Supports:

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

2. Galvanized Metallic Coatings: Pregalvanized or hot dipped.

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

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.

B. Fastener Systems:

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

C. Miscellaneous Materials:

1. Structural Steel: ASTM A 36, carbon-steel plates, shapes, and bars; black and galvanized.

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

a. Properties: Nonstaining, noncorrosive, and nongaseous.

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

PART 3 - EXECUTION

3.1 GENERAL PIPING INSTALLATIONS

A. 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.

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

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COMMON WORK RESULTS FOR PLUMBING 220500 - 3

C. Install piping at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

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

E. Install piping to permit valve servicing.

F. Install piping at indicated slopes.

G. Install piping free of sags and bends.

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

I. Install piping to allow application of insulation.

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

K. Sleeves:

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

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

3. Using grout, seal the space outside of sleeves in slabs and walls without sleeve-seal system.

L. Fire-Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe penetrations. Seal pipe penetrations with firestop materials. Comply with requirements for firestopping specified in Section 078413 PENETRATION FIRESTOPPING.

M. Escutcheons & Floor Plates:

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

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

3. Install floor plates for piping penetrations of equipment-room floors.

4. Install floor plates with ID to closely fit around pipe, tube, and insulation of piping and with OD that completely covers opening.

N. Install unions at final connection to each piece of equipment.

O. Install dielectric unions and flanges to connect piping materials of dissimilar metals in gas piping.

P. Install dielectric coupling and nipple fittings to connect piping materials of dissimilar metals in water piping.

3.2 HANGARS AND SUPPORTS

A. Comply with MSS SP-69 and MSS SP-89. Install building attachments within concrete or to structural steel.

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COMMON WORK RESULTS FOR PLUMBING 220500 - 4

B. Install hangers and supports to allow controlled thermal and seismic movement of piping systems.

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

D. Horizontal-Piping Hangers and Supports: Unless otherwise indicated and except as specified in piping system Specification 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. 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.

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

4. Adjustable Band Hangers (MSS Type 9): For suspension of noninsulated stationary pipes, NPS 1/2 to NPS 8.

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

E. Vertical-Piping Clamps: Unless otherwise indicated and except as specified in piping system

Specification Sections, install the following types:

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

NPS 20.

2. Carbon- or Alloy-Steel Riser Clamps (MSS Type 42): For support of pipe risers, NPS

3/4 to NPS 20, if longer ends are required for riser clamps.

3.3 GENERAL EQUIPMENT INSTALLATIONS

A. Install equipment to allow maximum possible headroom unless specific mounting heights are not indicated.

B. Install equipment level and plumb, parallel and perpendicular to other building systems and components, unless otherwise indicated.

C. Install mechanical equipment to facilitate service, maintenance, and repair or replacement of components. Connect equipment for ease of disconnecting, with minimum interference to other installations. Extend grease fittings to accessible locations.

D. Install equipment to allow right of way for piping installed at required slope.

E. Mix and install grout for pump and other equipment base plates, and anchors. Place grout, completely filling equipment bases.

END OF SECTION 220500

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT 220553 - 1

SECTION 220553 - IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Equipment labels.

2. Warning signs and labels.

3. Pipe labels.

4. Warning tags.

5. Valve tags.

1.2 SUBMITTALS

A. Product Data: For each type of product indicated.

B. Samples: For color, letter style, and graphic representation required for each identification material and device.

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

PART 2 - PRODUCTS

2.1 EQUIPMENT LABELS

A. Labels for Equipment:

1. Material: Brass, Stainless steel, Aluminum, anodized aluminum or multilayer, multicolor, plastic labels for mechanical engraving and having predrilled or stamped holes for attachment hardware.

2. Letter Color: Black.

3. Background Color: White.

4. Minimum Label Size: Length and width vary for required label content, but not less than

2-1/2 by 3/4 inch.

5. 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-quarters the size of principal lettering.

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

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

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

Specification Section number and title where equipment is specified.

C. 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) and the Specification Section number and

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IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT 220553 - 2

title where equipment is specified. Equipment schedule shall be included in operation and maintenance data.

2.2 WARNING SIGNS AND LABELS

A. Material and Thickness: Multilayer, multicolor, plastic labels for mechanical engraving, 1/16 inch thick, and having predrilled holes for attachment hardware.

B. Letter Color: Black.

C. Background Color: Yellow.

D. Maximum Temperature: Able to withstand temperatures up to 160 deg 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-quarters 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.

I. Label Content: Include caution and warning information plus emergency notification instructions.

2.3 PIPE LABELS

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

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

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

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

1. 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.

2. Lettering Size: Size letters according to ASME A13.1 for piping.

2.4 WARNING TAGS

A. Description: Preprinted or partially preprinted accident-prevention tags of plasticized card stock with matte finish suitable for writing.

1. Size: 3 by 5-1/4 inches minimum.

2. Fasteners: Brass grommet and wire.

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IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT 220553 - 3

3. Nomenclature: Large-size primary caption such as "DANGER," "CAUTION," or "DO

NOT OPERATE."

4. Color: Safety yellow background with black lettering.

2.5 VALVE TAGS

A. Description: Stamped or engraved with 1/4-inch letters for piping system abbreviation and 1/2-inch numbers.

1. Tag Material: Brass, 0.032-inch or stainless steel, 0.025-inch or aluminum, 0.032-inch or anodized aluminum, 0.032-inch minimum thickness, and having predrilled or stamped holes for attachment hardware.

2. Fasteners: Brass wire-link chain or beaded chain.

B. Valve Tag Contents: Include identification of valve using same designations or abbreviations as used on Drawings; also include zone identification, valve model number, size, and rate flow in

GPM.

PART 3 - EXECUTION

3.1 PREPARATION

A. 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.

3.2 GENERAL INSTALLATION REQUIREMENTS

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

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

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

3.3 EQUIPMENT LABEL INSTALLATION

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

B. Locate equipment labels where accessible and visible.

3.4 PIPE LABEL INSTALLATION

A. Pipe Label Locations: 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:

1. Near each valve and control device.

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

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

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

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

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IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT 220553 - 4

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

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

7. On piping above removable acoustical ceilings. Omit intermediately spaced labels.

B. Directional Flow Arrows: Arrows shall be used to indicate direction of flow in pipes, including pipes where flow is allowed in both directions.

C. Pipe Label Color Schedule:

1. Domestic Cold Water Piping:

a. Background: Safety green.

b. Letter Colors: White.

2. Domestic Hot Water Piping:

a. Background: Orange.

b. Letter Colors: White.

3. Sanitary Waste and Storm Drainage Piping:

a. Background Color: Brown.

b. Letter Color: White.

4. Vent Line Piping:

a. Background Color: Green.

b. Letter Color: White.

5. Natural Gas Piping:

a. Background Color: Yellow.

b. Letter Color: Black.

3.5 WARNING-TAG INSTALLATION

A. Write required message on, and attach warning tags to, equipment and other items where required.

3.6 VALVE-TAG INSTALLATION

A. 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 similar roughing-in connections of end-use fixtures and units. List tagged valves in a valve schedule.

END OF SECTION 220553

Bidding and Contract Document Project Name: Renovate Buildings 536Q/534Q File No. 511/26126

PLUMBING PIPING INSULATION 220719 - 1

SECTION 220719 - PLUMBING PIPING INSULATION

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes insulating the following plumbing piping services:

1. Domestic cold-water piping.

2. Domestic hot-water piping and recirculating piping.

3. Sanitary waste piping exposed to freezing conditions.

1.2 SUBMITTALS

A. Product Data: For each type of product indicated.

1.3 COORDINATION

A. Coordinate sizes and locations of supports, hangers, and insulation.

B. Coordinate clearance requirements with piping Installer for piping insulation application.

PART 2 - PRODUCTS

2.1 INSULATION MATERIALS

A. Mineral-Fiber, Preformed Pipe Insulation:

1. Basis of Design: Subject to compliance with requirements, provide Knauf ASJ-SSL with All Service Jacket and Self-Sealing Lap or a comparable product by one of the following:

a. Fibrex Insulations Inc.

b. Johns Manville.

c. Manson Insulation Inc.

d. Owens Corning.

2. Description:

a. Type I, 850 Deg F Materials: Mineral or glass fibers bonded with a thermosetting resin. Comply with ASTM C 547, Type I, Grade A, with factory-applied ASJ-SSL.

b. ASJ-SSL - White, kraft-paper, fiberglass-reinforced scrim with aluminum-foil backing; complying with ASTM C 1136, Type I and self-sealing lap with pressure-sensitive, acrylic-based adhesive covered by a removable protective strip;

complying with ASTM C 1136, Type I.

c. Blanket Insulation - ASTM C553, Type II, without facing.

d. Fire-Resistant Adhesive - MIL-A-3316C in the following classes and grades:

1) Class 1, Grade A for bonding glass cloth and tape to unfaced glass-fiber insulation, for sealing edges of glass-fiber insulation, and for bonding lagging cloth to unfaced glass-fiber insulation.

2) Class 2, Grade A for bonding glass-fiber insulation to metal surfaces.

e. Vapor-Retarder Mastics - Fire- and water-resistant, vapor-retarder mastic for indoor applications; MIL-C-19565C, Type II.

f. Mineral-Fiber Insulating Cements - ASTM C195.

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PLUMBING PIPING INSULATION 220719 - 2

2.2 ACCESSORIES AND ATTACHMENTS

A. Glass Cloth and Tape - MIL-C-20079H, Type I for cloth and Type II for tape. Woven glass-fiber fabrics, plain weave, presized a minimum of 8 oz/SY; 4" tape width.

B. ASJ Tape: White vapor-retarder tape matching factory-applied jacket with acrylic adhesive, complying with ASTM C 1136.

1. Width: 3 inches.

2. Thickness: 11.5 mils.

3. Adhesion: 90 ounces force/inch in width.

4. Elongation: 2 percent.

5. Tensile Strength: 40 lbf/inch in width.

6. ASJ Tape Disks and Squares: Precut disks or squares of ASJ tape.

C. Staples: Outward-clinching insulation staples, nominal 3/4-inch-wide, stainless steel or Monel.

D. Bands - 3/4" wide, in one of the following materials compatible with jacket:

1. Stainless Steel - ASTM A 666, Type 304; 0.020" thick.

2. Galvanized Steel - 0.005" thick.

3. Aluminum - .007" thick.

4. Brass - .010" thick.

5. Nickel-Copper Alloy - .005" thick.

E. Wire: .080", nickel-copper alloy; .062", soft-annealed, stainless steel; or .062", soft-annealed, galvanized steel.

PART 3 - EXECUTION

3.1 PREPARATION

A. Surface Preparation: Clean and dry surfaces to receive insulation. Remove materials that will adversely affect insulation application.

3.2 GENERAL INSTALLATION REQUIREMENTS

A. Install insulation materials, accessories, and finishes with smooth, straight, and even surfaces;

free of voids throughout the length of piping including fittings, valves, and specialties.

B. Install insulation materials, forms, vapor barriers or retarders, jackets, and thicknesses required for each item of pipe system as specified in insulation system schedules.

C. Install accessories compatible with insulation materials and suitable for the service. Install accessories that do not corrode, soften, or otherwise attack insulation or jacket in either wet or dry state.

D. Install insulation with longitudinal seams at top and bottom of horizontal runs.

E. Install multiple layers of insulation with longitudinal and end seams staggered.

F. Do not weld brackets, clips, or other attachment devices to piping, fittings, and specialties.

G. Keep insulation materials dry during application and finishing.

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PLUMBING PIPING INSULATION 220719 - 3

H. Install insulation with tight longitudinal seams and end joints. Bond seams and joints with adhesive recommended by insulation material manufacturer.

I. Install insulation with least number of joints practical.

J. Where vapor barrier is indicated, seal joints, seams, and penetrations in insulation at hangers, supports, anchors, and other projections with vapor-barrier mastic.

1. Install insulation continuously through hangers and around anchor attachments.

2. For…