09006 15100.pdf

SECTION 15100

DIVISION 15 – PLUMBING SPECIFICATIONS

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PART 1 – GENERAL:

1.01 RELATED DOCUMENTS:

A. Drawings and General Provisions of Contract, including General Supplementary Conditions apply to work specified in this section.

1.02 SYSTEM DESCRIPTION:

A. The work under this section of the specification shall include the furnishing and installation of all systems as shown on the drawings or specified herein. This shall include all items of a minor nature necessary to complete this installation and usually included in similar work, whether specifically mentioned in the contract documents or not.

B. Plumbing drawings are diagrammatic and are intended to show the approximate location of outlets, equipment and piping. Dimensions given in figures on the plans shall take precedence over scaled dimensions and all dimensions, whether given in figures or scaled, shall be verified in the field. The contractor shall coordinate all parts of the plumbing system with work of other trades to avoid conflicts.

1.03 PROJECT AND SITE CONDITIONS:

A. Before submitting a bid, the contractor shall carefully study the Architectural, Civil, Mechanical, Electrical, Structural and Plumbing drawings. He shall also make careful examination of the premises and any existing work. He shall determine, in advance, the methods of installing and connecting the systems, the means to be provided for getting equipment into place, and shall make himself thoroughly familiar with all the requirements of the contract. Conflicts recognized by the contractor that may affect the scope of work shall be reported to the Contracting Officer immediately through the General Contractor.

B. By the act of submitting a proposal for the work required and included in the contract, the contractor shall be deemed to have made such a study and examination, and to be familiar with and accept all conditions of the site.

1.04 REFERENCES:

A. All work shall be installed in accordance with all codes, laws, rules and regulations of all National, State, County and Local authorities having jurisdiction over the premises. This shall include, but not be limited to, the International Building Code, International Plumbing Code, Local Amendments to these Codes and National Fire Protection Association. In

15100 - Page 2 of 14 case of differences, said regulations shall govern. However, this shall not be construed to relieve the contractor from complying with requirements of the plans and specification which may be in excess of code requirements.

1.05 QUALITY ASSURANCE:

A. The plumbing systems have been designed around the makes and sizes of equipment named in the specifications or shown on the drawings.

Other makes of equipment named in the specifications, shown on the drawings or approved by the Contracting Officer as outlined in Division 1, may be furnished at the contractor’s option, provided that such equipment has equal capacity, the same electrical characteristics, substantially the same physical dimensions and can be installed in the space available with ample working space around it. Any extra costs resulting from equipment substitution shall be borne by this contractor.

B. Plumbing fixture and equipment schedules (specifications) are shown on the drawings. The following is a list of additional equipment approved for use in this project and is subject to paragraph A above:

1. Lavatories, Water Closets, Urinals:

American Standard, Crane, Eljer, Kohler

2. Floor Drains, Floor Sinks, Carriers, Interceptors:

J.R. Smith, Josam, Rockford, Wade, Watts, Zurn

3. Water Heaters:

A.O. Smith, Rheem/Ruud, State

4. Faucets:

Bradley, Cambridge, Chicago, Delta, Powers, Symmons, T & S Brass

5. Fittings:

Eastman, McGuire

6. Valves:

Apollo, Conbraco, Nibco, Red and White, Stockham

1.06 SUBMITTALS:

A. Before beginning work, submit six (6) copies of shop drawings or literature in a three-ring binder with indexed dividers showing capacities, ratings, dimensions, electrical characteristics, manufacturer, model numbers, trim and accessories on the following items:

1. Plumbing Fixtures

2. Water Heaters

3. Drains

4. Interceptors

5. Valves

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6. Cleanouts

7. Insulation

8. Other items as directed by the Contracting Officer.

B. Submittals not in the format of Paragraph A or without mark numbers or unit designations as shown on plans will be returned. All submittals shall be submitted at one time and shall not be submitted in batches.

C. When equipment or materials submitted differ from that specified or, in the opinion of the contractor, local conditions necessitate an arrangement of equipment or materials different from that indicated on the drawings, the contractor shall submit for review shop drawings showing proposed rearrangement.

D. Before submitting any equipment for review, it is the contractor’s responsibility to ascertain that such equipment will fit satisfactorily into the space allotted for it. Any deviations of shop drawings from plans and specifications shall be called to the attention of the Contracting Officer in writing.

E. Voltage, phase and motors furnished under this section shall be as indicated on the electrical plans. It shall be the responsibility of this contractor to verify these items before final ordering of equipment.

F. Submittals are checked for general compliance only and should not be relied on for electrical or physical coordination.

1.07 CUTTING AND PATCHING:

A. The General Contractor shall provide all chases and openings through walls, floors and roof necessary for the installation of the work under this section.

B. This contractor, however, shall cooperate with the General Contractor and shall layout all chases and openings required, and shall furnish and set all sleeves, concrete inserts, anchor bolts, etc. required for the installation of work under this section. This contractor will be held solely responsible for the proper size and locations of chases, openings, sleeves, inserts, anchor bolts, etc. Failure to coordinate requirements with the General Contractor during the normal construction sequence renders this contractor liable for all corrective construction.

1.08 WORK COORDINATION WITH OTHER TRADES:

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A. All electrical wiring to equipment, motor starter, interlock wiring, circuit breakers and fused or non-fused disconnect switches shall be furnished and installed by the electrical contractor.

B. This contractor shall make all water supply, natural gas, drain, and condensate piping connections to mechanical equipment, as applicable.

C. All fire sprinkler piping from inside the building to 5’-0” outside the building shall be furnished and installed by Division 15300. This includes all charges, fees and coordination required for connection to water line in the street or site water main as indicated on the drawings.

1.09 FEES, PERMITS AND INSPECTIONS:

A. The General Contractor shall secure and pay for all permits. The plumbing contractor shall obtain and pay for all other fees including water meters, fire line connection charges, sewer connection fees and other connection charges. This contractor shall arrange for all inspections and secure all approvals required for plumbing work.

PART 2 - PRODUCTS:

2.01 PIPE AND FITTINGS:

A. Building Drain Piping:

1. The building drain above and below grade to a point 5’-0” outside the building shall be standard weight hubless cast iron soil pipe and fittings conforming to CISPI 301 (Current Revision) with stainless steel couplings and elastomeric rubber sealing sleeves/gaskets. Pipe shall be Tyler, AB&I or equal.

B. Building Sewer Piping:

1. The building sewer piping from a point 5’-0” outside the building shall be ABS plastic pipe. PVC SDR 35 may be installed and approved by Local Authorities.

C. Vent Piping:

1. Vent piping shall be standard weight hubless cast iron soil pipe and fittings conforming to CISPI 301 (Current Revision) with stainless steel couplings and elastomeric rubber sealing sleeves/gaskets. Pipe shall be Tyler, AB&I or equal.

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D. Domestic Water Piping:

1. Above ground and/or exterior of the building domestic water piping shall be Type “L” hard (drawn) copper tubing with cast brass or wrought copper fittings. Underground domestic water piping within the building walls and to 4’-0” outside of building walls shall be Type “L” soft (annealed) copper. No joints in soft copper underground within the building walls.

Exterior underground water piping from a point 4’-0” from the building slab shall be PVC Schedule 40 plastic pipe.

E. Natural Gas Piping:

1. Natural gas piping from 12” above ground and higher shall be Schedule 40 Black Steel pipe of standard weight.

2. Natural gas piping less than 12” above grade shall be standard weight Schedule 40 Black Steel pipe with a continuous coating of Scotch Coat #202 or equal. Where joints are made or the continuity of the sheath is destroyed, the protection of the pipe shall be maintained using polyvinyl tape. Wrapping shall be lapped so that a double thickness of wrapped materials is obtained. Use maximum of ¾” wide tape.

3. Gas meter and high-pressure gas/service piping shall be installed in strict accordance with and under the direct supervision of ANG standards and/or local natural gas utility (Southwest Gas Corporation) standards. This contractor to coordinate installation (including trenching, pipe bedding and backfilling) and pay all fees.

F. Condensate Piping:

1. Air conditioning condensate drain piping shall be Type “M” copper pipe. Trap and vent condensate with vent on downstream side of trap at A/C unit. Provide threaded plug at each 90-degree change of direction for use as cleanout.

G. Fire Sprinkler Line Piping:

1. Underground fire sprinkler line piping inside the private property line shall be C-900 PVC class 150 plastic pipe, meeting AWWA C-900, U.L. listed and F.M. approved. All elbows and tees shall have concrete thrust blocks per NFPA

24. Division 15100 shall install the fire protection line up to

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5’-0” outside the building from the street or site water main as indicated on the plans.

H. Compressed Air Piping:

1. Compressed air piping shall be Type “L” hard drawn copper tubing with cast brass or wrought copper fittings.

2.02 JOINTS:

A. Cast Iron:

1. Joints in cast iron soil pipe shall be made stainless steel couplings with elastomeric rubber sleeves/gaskets. Shield and clamp assembly shall have corrugated stainless steel shield conforming to CISPI 310 (Current Revision). Bands of the shield and clamp assemble to be torqued to 60 lbs. and retorqued no sooner than four hours later.

B. Threaded Pipe:

1. Joints in threaded pipe shall be made with sharp clean threads with joint compound on the male threads only. All pipes shall be reamed to full inside diameter. Only pipe reamers shall be used to ream pipes.

C. Copper Water Piping:

1. Joints in copper water piping above grade shall be soldered with a lead-free solder (Harris Stay-Safe or equal) or 95/5 solder using Nokorode solder paste applied with a brush to both the pipe and the inside of the fitting socket. No acid core solder or flux containing acid shall be used. Pipe shall be cut square and reamed. The parts of the pipe and fittings to be soldered shall be thoroughly cleaned with sand cloth before applying flux.

2. Joints in copper piping below grade shall be made using silver solder, silfos or equivalent high temperature alloy and flux as recommended by brazing alloy manufacturer.

2.03 UNIONS:

A. Unions shall be installed in piping on the equipment side of each service valve and in all connections to fixtures or equipment where

15100 - Page 7 of 14 the trimmings do not permit convenient removal. A dielectric union shall be used to join any dissimilar metals.

B. Unions in screwed steel pipe 2” and smaller shall be ground joint malleable iron with brass to iron seats.

C. Unions in welded pipe shall be slip-on weld flanged.

D. Unions in copper pipe 2” and smaller shall be ground joint copper unions equal to Mueller C-107. Unions for 2-1/2” and larger pipe shall be bronze flanges.

E. Provide nuts, bolts, and gaskets for flanges. Materials shall be compatible with the piping and fluid conveyed.

2.04 VALVES:

A. Provide an accessible shut-off valve or stop to isolate all equipment. Provide a gascock at building entrance and a gascock and union at gas connections to all gas appliances

B. Valves shall be an approved make equal to Crane Company numbers listed as follows:

2” AND SMALLER 2-1/2” AND LARGER

GATE 428 1320 460, 461 OR 462

GLOBE 7 1310 350 OR 351

CHECK 36 1303 372 OR 373

PLUG (APPL) 298

PLUG (LINE) 1228

C. Valve box for cold water service shall be equal to Brooke #9C.1 marked “WATER”.

D. Valves shall be installed with valve stem from horizontal to upright vertical.

E. Provide access panels for valves above solid ceilings at valve locations.

F. All valves shall be of the same manufacturer and shall be Apollo, Crane, Nibco, Red and White, Stockham or equal.

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G. Reduced Pressure Backflow Preventer

1. Backflow preventer shall be FDA approved with epoxy coated cast iron check and relief valves and complete with two independent check valves, differential relief valve, full port bronze body ball valve test cocks, FDA approved epoxy coated inlet strainer and inlet and outlet shutoff valves.

2. Backflow preventers located outdoors shall be a minimum of 12 inches above grade, maximum of 30 inches above grade and shall be enclosed in a protective lockable enclosure.

The enclosure shall be fully removable for access and shall not retain water. The backflow preventer shall be supported by Grinnell pipe supports or equal set in concrete blocks for 3 inches and larger devices.

3. Reduced pressure backflow preventers to be equal of Hersey Beeco, Febco, Condraco, or Watts.

2.05 FLASHING:

A. All vent stacks passing through the roof shall be flashed with 4 lb.

lead sheet extending around the pipe 8” in all directions at the roof surface and turned down 2” into the pipe opening. Flashing shall be equal to Mayfield, Oatey, Stoneman or other IAPMO listed flashing.

B. Provide 4 lb. leadsheets for all roof drains and overflow roof drains.

Roofer shall install.

2.06 PAINTING:

A. Touch-up of damaged factory finishes shall be by this contractor.

All equipment shall be cleaned and touched up on bare or marred spots with the same paint as applied at the factory or an approved substitute.

2.07 CLEANOUTS:

A. Cleanouts shall be the same size as the drain waste or sewer line they connect to. Set cleanouts flush with finished wall, floor or finished grade as applicable.

B. Floor cleanouts in finished floors shall be Wade Model #W-6030-Z.

Cover and frame shall be nickel bronze with round adjustable top.

C. Wall cleanouts shall be Wade Model #W-8460-R/SS cast iron tee with brass plug and round stainless steel frame and access cover.

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D. Exterior cleanouts in non-traffic areas shall be Wade Model #W- 6030-Z-5 cast iron with brass plug, vandal-proof top, set in 18” cube of concrete. Exterior cleanouts in traffic areas shall be Wade Model #W-8300-MF with #W-8530 and vandal-proof top set in 18” cube of concrete.

E. J.R. Smith, Josam, Wade, Watts and Zurn are approved manufacturers.

2.08 INSULATION:

A. All hot water supply and return piping and all cold water piping subject to freezing shall be insulated. Insulation shall be ½” thick on piping ¾” and smaller and 1” thick on piping 1” and larger.

Insulation to be fiberglass or equal low pressure pipe insulation with

ASJ.

B. All joints in insulation shall be neatly sealed with tape and lagging adhesive.

C. Cooler or make-up air unit water supply piping exposed on the building’s exterior shall be insulated with Armaflex and coated with two (2) coats of Armaflex coating.

D. All condensate piping below the roof and within 10’-0” of air conditioning unit shall be insulated.

2.09 SPECIALTIES:

A. All hot and cold water lines serving fixtures using flush valves, solenoid valves or quick closing devices shall be equipped with a water hammer arrestor (shock absorber). Wade Shokstop or equal are acceptable. Arrestor shall be properly sized and located in piping according to manufacturer’s recommendations for the total number of fixtures served and in accordance with PDI WH201.

Access to water hammer arrestor shall be by means of an access panel minimum 12” x 12” in size.

B. All floor drains and floor sinks indicated on plans shall be primed by means of a water line extending from an automatic trap primer valve. Precision “Prime-Rite” or approved equal. Access to trap primer valve shall be by means of an access panel minimum 12” x 12” in size.

2.10 PIPING SYSTEM SUPPORTS:

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A. All piping overhead shall be supported from structure with pipe hangers or supports. Elcen, Fee and Mason, Grinnel or Unistrut are acceptable. No chains or struts are permitted. At each support point on water lines install Elcen Model No. 227 pipe isolator.

B. Piping on roof shall be supported on 4” x 4” redwood blocks set on sheet metal base with hemmed edges and set in mastic. Provide hold down clamps of the same material as pipe.

C. Pipe support spacing shall be as follows:

Cast Iron Pipe 5’ Intervals Screwed Pipe 10’ Intervals Copper Pipe

1-1/2” and Smaller 6’ Intervals 2” and Larger 10’ Intervals

D. For insulated pipe provide a minimum 16 gauge sheet metal saddle, minimum 12” long by ½ the diameter of the outside of the insulated pipe at all hangers. Provide calcium silicate inserts, 180 degrees at saddles for ¾” pipe size and above.

2.11 FIXTURES:

A. Furnish and install all plumbing fixtures indicated on plans. Fixtures shall be American Standard, Crane, Eljer or Kohler except where specified otherwise. All fixtures shall be white and be of the same manufacturer unless noted otherwise. All fixtures to have accessible stops and all faucets shall have renewable seats, discs and metal indexed handles. All fixture trim shall be chrome plated and by the same manufacturer unless noted otherwise. All fixtures shall comply with the water conserving requirements of the Uniform Plumbing Code and local amendments.

2.12 ACCESS DOORS:

A. Provide hinged access door with 1” recessed prime coated steel door and screwdriver key lock for any concealed plumbing requiring access. Minimum 12” x 12” size to allow full access to valves.

Doors shall be fire rated if installed in fire rated wall or ceiling.

Doors shall be equal of J.R. Smith, Josam, Karp, Milcor, or Zurn.

2.13 SLEEVES:

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A. Install pipe sleeves where piping passes thru masonry or concrete walls or floors except at slabs on grade. Pipe sleeves shall be Schedule 40 steel pipe for all pipes passing thru fire rated walls or floors. Sleeves thru concrete walls or floor shall be installed with minimum ¼” clearance to be packed and sealed. Sleeve thru floors shall extend a minimum of two (2) inches above the Schedule 40 pipe. Sleeves thru walls shall extend from finished surface to finished surface. Sleeves for uncovered pipe shall be two pipe sizes larger than the main. Sleeves for insulated mains shall be sufficient size to pass the covering with a minimum ¼” clearance.

B. All pipe sleeves shall be one continuous piece. The outer surface of the sleeve shall be fixed to the partition it penetrates with pour rock, mortar, or other approved material. The internal surface shall be sealed with a U.L. approved flexible material equal to the fire rating of the partition (B10 fireshield or equal). Where required, penetrations thru rated walls must be sealed with fire stops conforming to UBC sections 4304(e), 4304(f) and 4305(b).

C. Sleeve is not to touch or support pipes.

D. Solid chrome plated steel escutcheon plate shall be provided to cover the sleeves at any finished surface.

E. Copper pipe passing thru a steel sleeve shall be protected with polyethylene tape or dielectric materials.

PART 3 EXECUTION:

3.01 GENERAL:

A. All labor shall be qualified for this type of work and shall be under the direct supervision of a competent foreman. All work shall be planned and carried out so as not to interfere with the progress of the work by other contractors on the job.

B. This contractor is to be fully responsible for any and all damages to fixtures and equipment that results from improper handling or installation.

C. Provide safety guards for plumbing equipment that is a hazard to personal safety.

3.02 PIPING:

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A. Pipe and fittings located within return air plenum shall have a flame spread index of not more than 25 and a smoke developed rating of not more than 50 when tested in accordance with the test for Surface Burning Characteristics of Building Materials (IBC Standards).

B. No service lines shall be laid on the backfill over other service lines or conduit except at crossings. All piping shall be accurately cut and installed in place without forcing. Change in direction shall be made with fittings. Bending of pipe is not permitted except for underground soft copper pipe. All pipe, wherever practical, shall be run parallel to or at right angles to the wall lines of the building.

Reducing fittings shall be used where pipe sizes change, rather than bushings.

C. Secure each water line where it penetrates partitions to serve fixtures, shower arms, hose bibbs and similar items. Wrap all piping in block walls or penetrating concrete with 10 mil.

Polyethylene tape or covering with polysleeve.

D. Set hose bibbs 12” above finished grade unless otherwise noted.

3.03 TESTS AND ADJUSTMENTS:

A. All soil, waste, drainage, vent, and water piping shall be tested before being concealed in any way per U.P.C. standards. All joints shall be caulked and made driptight before being concealed.

Testing shall be as follows:

Waste and Vent – Water pressure test of minimum 10’-0” foot head for at least 15 minutes.

Domestic Water – Water pressure test of minimum system operating pressure for at least 15 minutes.

Natural Gas – Air pressure test of 10 PSIG for at least 15 minutes for low pressure gas piping. Air pressure test of 60 PSIG for at least 30 minutes for all welded pipe and piping carrying gas at pressures in excess of 14” water column pressure.

B. This contractor shall furnish all tools, instruments and equipment required for testing and shall make all temporary connections.

C. All defects that develop under tests shall be repaired promptly and the tests shall be repeated. No caulking of screwed joints, cracks or holes will be permitted. Leaks in threaded joints shall be

15100 - Page 13 of 14 repaired by replacing the pipe or the fittings or both with new material. Leaks in copper fittings shall be repaired by melting out the joint, thoroughly cleaning both parts and resoldering.

D. All parts of the plumbing system and associated equipment shall be adjusted to function properly and shall be turned over to the Contracting Officer in operating condition.

E. The contractor shall notify the Contracting Officer of his readiness to perform a test 24 hours in advance. All tests shall be performed in the presence of the Contracting Officer’s representative.

F. All items such as valves, gauges, traps, strainers, etc. which the testing pressure may damage shall be removed before the tests are made and shall not be replaced until the tests have been approved.

3.04 EXCAVATION, TRENCHING AND BACKFILLING:

A. Do all excavating and backfilling necessary for the installation of this work. This shall include the cutting of sidewalks and pavings if required.

B. All work under this heading shall be in accordance with the earthwork section of these specifications.

C. All trenches shall be dug to exact grade and depth with only sufficient dirt removed to provide working space. Trenches shall be dug 6” below the required depth and shall be refilled to proper depth with loose granular moist earth thoroughly tamped.

Accurately grade bottom of trenches to provide uniform bearing and support for each section of pipe at every point along its entire length. Trenches shall be not more than 18” wider than the external diameter of the pipe or duct and the sides shall be as perpendicular as possible. Trenches shall be shored or sheet piled, if necessary, to prevent caving and to protect the work of other contractors or existing structure. This contractor will be held solely responsible for damage caused by his work.

D. All excavations shall be refilled with loose granular moist earth thoroughly tamped. Compact all backfill in 6” maximum lifts.

Compact to 95% of maximum density of backfill within limits of building, under sidewalks, under slabs, on grade and under asphalt or concrete paving.

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E. Where trenches cross roads, walks or public thoroughfares this contractor shall provide suitable barricades and bridges adequately protected by signs or red flags during the day and lights at night.

F. Where paving cuts are necessary, this contractor shall pay necessary fees for repair to authorities having jurisdiction.

G. No piping shall be concealed or buried before inspection by authorized persons.

H. Coordinate all trenching with operation “Blue Stake”, telephone 792-2211.

3.05 CLEANING UP:

A. This contractor shall at all times keep the building and premises in a neat manner. All instructions issued by the Contracting Officer in regard to the storage of material, protection measures, cleaning of debris, etc. shall be explicitly followed. Upon completion of the work, this contractor shall thoroughly clean all machinery, piping, etc., and leave areas directly affected by his work broom clean.

3.06 RECORD DRAWINGS:

A. Provide Record Drawings in accordance with Division 1. Record all changes from the contract drawings to the record drawings.

Indicate location of isolating valves and items requiring maintenance and inspections. Dimension underground piping from a visible point on the structure. Indicate inverts and slope of drainage piping at sufficient locations so that the invert can be calculated for any point in this system.

3.07 CERTIFICATES:

A. Certify in writing, original and copies in accordance with Division 1, that the water lines have been disinfected and that approval of the installation was obtained from the authority having jurisdiction over the work. Disinfection shall be by chlorination and the general continuous feed method similar to Tucson Water Department Standard Specification No. 950, Section 3. Provide both preliminary and final flushing of the system.

3.08 OPERATION AND MAINTENANCE:

A. Contractor shall furnish to the Contracting Officer, in accordance with Division 1, copies of an operation and maintenance manual

15100 - Page 15 of 14 contained in a three-ring binder with hard cover. Include all equipment requiring maintenance with the manufacturer’s name, model and serial number, operation and maintenance manual, and source of service and replacement parts. Include all warranties.

3.09 GUARANTEE:

A. This contractor shall guarantee his work to be free from defects in workmanship and material for a period as indicated in Division 1 from date of final acceptance. Any material or equipment that proves defective within that period shall be promptly repaired or replaced by the contractor without cost to the Government.

B. Standard of factory warranty shall be provided on all equipment furnished and evidence of it shall be furnished to Contracting Officer in triplicate.

END OF SECTION