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   PART 1 - GENERAL

    01 WORK INCLUDED

    A. Pipe, pipe fittings, and associated items.

    B. Valves, pressure reducing valves, unions, flanges, gas cocks, and associated items.

    C. Sanitary waste and vent piping system.

    D. Domestic water piping system.

    E. Natural gas piping system.

    F. Compressed air piping system (non-clinical)

    02 QUALITY ASSURANCE

    A. Refer to Specifications Section 15308: Plumbing General Provisions.

    B. Valves: Manufacturer's name and pressure rating marked on valve body.

    C. Welding Materials and Procedures: Conform to ASME Code and applicable state labor regulations.

    D. Welders Certification: In accordance with ANSI/ASME Sec 9. and ANSI/AWS D1.1.

    E. Materials shall meet with federal, state and local codes and requirements, including any agencies having jurisdiction.

    03 SUBMITTALS

    A. Refer to Specifications Section 15308: Plumbing General Provisions for specified requirements.

    04 NON-SPECIFIED/LISTED PRODUCT OR MATERIAL SUBSTITUTIONS

    A. Refer to Specifications Section 15308: Plumbing General Provisions, and Section 15309: Plumbing Product or Material Substitution Request Form.

    B. If a manufacturer or Contractor wishes a non-specified/listed product or material to be considered and listed as an equivalent product or material, the above listed specifications sections shall be correctly followed, and submitted, or the proposed substitution shall be denied.

    05 DELIVERY, STORAGE, AND HANDLING

    A. Deliver products to site under provisions of specifications and refer to Specifications Section 15308: Plumbing General Provisions.

    B. Store and protect products under provisions of other Sections of the specifications.

    C. Deliver and store valves in shipping containers with labelling in place.

   PART 2 PRODUCTS

    06 SANITARY WASTE AND VENT PIPING, BURIED (BELOW FLOOR SLAB TO 5 FOOT, EXTERIOR OF BUILDING)

    A. Cast Iron Pipe: ASTM A74-82 service weight. Fittings: Cast iron. Joints: Hub-and-spigot, CISPI HSN compression type with ASTM C564 neoprene gaskets.

    07 SANITARY WASTE AND VENT PIPING, ABOVE FLOOR SLAB

    A. Cast Iron Pipe: CISPI 301-85, hubless, service weight. Fittings: Cast iron. Joints: Neoprene gaskets and stainless steel clamp-and-shield assemblies.

    B. Copper Pipe: ASTM B306, DWV. Fittings: ANSI/ASME B16.3, cast bronze, or ANSI/ASME B16.29, wrought copper. Joints: ANSI/ASTM B32, solder, Grade 50B.

    08 INDIRECT DRAINAGE PIPING, ABOVE FLOOR SLAB

    A. Copper Drainage Piping: ASTM B302-81, drainage waste, and vent type. Fittings: ANSI/ASME B16.29, wrought copper. Joints: ANSI/ASMI B32, solder, Grade 95TA, containing no lead.

    09 DOMESTIC/POTABLE WATER PIPING, BURIED (BEYOND 5 FOOT, EXTERIOR OF BUILDING)

    A. Copper tubing: ASTM B88, Type L, hard drawn. Fittings: ANSI/ASME B16.29, wrought copper. Joints: ANSI/ASTM B52, solder, Grade 95TA, containing no lead.

    010 DOMESTIC/POTABLE WATER PIPING, BURIED (BELOW FLOOR SLAB TO 5 FOOT, EXTERIOR OF BUILDING)

    A. Copper Tubing: ASTM B88, Type K, roll soft and seamless, 2-1/2 inch and smaller.

    011 DOMESTIC/POTABLE WATER PIPING, ABOVE FLOOR SLAB

    A. Copper Tubing: ASTM B88-83, Type L, hard drawn. Fittings: ANSI/ASME B16.23, cast brass, or ANSI/ASME B16.29, wrought copper. Joints: ANSI/ASTM B32, solder, Grade 95TA, containing no lead.

    012 NATURAL GAS PIPING, BURIED (EXTERIOR OF BUILDING/BELOW FLOOR SLAB)

    A. Steel Pipe: ASTM A53, Schedule 40 black. Fittings: ASTM A234, forged steel welding type, with ANSI/AWWA C105 polyethylene jacket or double layer, half-lapped 10 mil polyethylene tape. Joints: ANSI/AWS D1.1, welded.

    013 NATURAL GAS PIPING, ABOVE FLOOR SLAB

    A. Steel Pipe: ASTM A53, Schedule 40 black. Fittings: ANSI/ASME B16.3, malleable iron, or ASTM A234, forged steel welding type. Joints: Screwed for pipe two inches and under; ANSI/AWS D1.1, welded, for pipe over two inches.

    014 COMPRESSED AIR PIPING (NON-CLINICAL)

    A. Steel Pipe: ASTM A53, Schedule 40 black. Fittings: ANSI/ASME B16.3 malleable iron, or ASTM A234, forged steel welding type. Joints: Screwed for pipe two inches and under, ANSI/AWS D1.1, welded, for pipe over two inches.

    015 FLANGES, UNIONS, AND COUPLINGS

    A. Pipe Size 2 Inches and Smaller: 150 psig malleable iron unions for threaded ferrous piping; bronze unions for copper pipe, soldered joints.

    B. Pipe Size Larger Than 2 Inches: 150 psig forged steel slip-on flanges for ferrous piping; bronze flanges for copper piping; neoprene gaskets for gas service; 1/16 inch thick preformed bonded neoprene.

    C. Grooved and Shouldered Pipe End Couplings: Malleable iron housing clamps to engage and lock, designed to permit some angular deflection, contraction, and expansion; "C" shape composition sealing gasket; steel bolts, nuts, and washers; galvanized couplings for galvanized pipe.

    D. Dielectric Connections: Union with galvanized or plated steel threaded end, copper solder end, and water impervious isolation barrier.

    016 ACCEPTABLE MANUFACTURERS - GATES VALVES

    A. Crane Company, Class 125, threaded, rising stem, Model 1701 for 3 inch and smaller.

    1. Stockham Valves and Fittings.

    2. Nibco, Inc.

    3. Kitz.

    2.12 GATE VALVES

    A. 3 Inch and Smaller: Bronze body, rising stem with handwheel, inside screw, solid wedge disc, threaded ends.

    2.13 ACCEPTABLE MANUFACTURERS - BALL VALVES

    A. Nibco, Inc. 150 pound, three piece screwed ball water valve, Model T-590-Y Series, for 2 inches and smaller. Nibco, Inc. 150 pound, three piece sweat ball water valve, Model S-590-Y Series, for 2 inches and smaller, or approved equivalent by:

    1. Stockham Valves and Fittings.

    2. Crane Company.

    3. Kitz.

    2.14 BALL VALVES

    A. 2 Inch and Smaller: Bronze body, cast bronze ball, TFE seats with bronze trim, Viton o-rings, blowout-proof stem, Plastisol-coated lever handle, solder or threaded ends.

    2.15 ACCEPTABLE MANUFACTURERS - LUBRICATED PLUG GAS CUTOFF COCKS

    A. Rockwell-Nordstrom/Flow Control Division, gray iron 2-bolt cover type, short pattern figure number 142 for 1/2 inch thru 4 inch, threaded, wrench operated, 175 CWP; figure number 143 for 5 inch, flanged, wrench operated, 175 CWP; figure number 143 for 6 inch and larger, bolted gland type, short pattern, gray iron, flanged, wrench operated, 200 CWP.

    1. The Wm. Powell Company.

    2. Fisher Controls.

    2.16 LUBRICATED PLUG GAS CUTOFF COCKS

    A. 1/2 Inch Thru 5 Inch: Gray iron, 2-bolt cover type with short pattern, gate length, lubricated and with Teflon seals and o-ring, wrench operated with threaded or flange ends, as required.

    B. 5 Inch and Larger: Grey iron, bolted gland type with short pattern, gate length, lubricated and with Teflon seals and o-ring, wrench operated with flanged ends.

    2.17 ACCEPTABLE MANUFACTURERS - BUTTERFLY VALVES

    A. Stockham Valves and Fittings: 150 CWP gear operated, number LD-522 ductile iron for 4 inch and larger, or approved equivalent by:

    1. Grinnell Corporation.

    2. Crane Company.

    2.18 BUTTERFLY VALVES

    A. Ductile body, bronze disc with stainless steel stem, wafer, lug/drilled or grooved resilient replaceable seat end with gear operation.

    2.19 ACCEPTABLE MANUFACTURERS - SWING CHECK VALVES

    A. Crane Company, Class 125, bronze, Model 1707S, solder joint, or Crane Company, Class 125, bronze Model 1707, threaded, for 3 inch and smaller.

    1. Stockham Valves and Fittings.

    2. Nibco, Inc.

    3. Kitz.

    2.20 SWING CHECK VALVES

    A. 3 Inch and Smaller: All bronze body with bronze swing disc, with solder or screwed ends.

    B. Install in horizontal position only.

    017 ACCEPTABLE MANUFACTURERS - GAS PRESSURE RELIEF VALVES

    A. Fisher Controls, as follows:

    1. Fisher Controls Type S402 for 3/4 inch thru 1 inch at 265 CFH maximum connected load, (1/4 inch orfice).

    2. Fisher Controls Type S302 for 1-1/4 inch thru 2 inch at 1000 CFH maximum connected load, (3/4 inch orfice).

    B. American Meter Company.

    C. Rockwell International.

    018 GAS PRESSURE RELIEF VALVES

    A. Shall be adjustable from one (1) pound gas pressure, leaving side of gas meter pressure, to required firing pressure of inches of water column at equipment.

    B. Cast iron body with required spring for gas pressure required.

    019 PIPE ESCUTCHEONS

    A. Furnish and install chrome plated, split-ring escutcheons on piping passing thru walls, exposed to view. Escutcheon's shall be provided on both sides of wall if both sides are exposed to view.

    B. Escutcheons shall be pipe size.

    C. Install to rigid condition.

   PART 3 - EXECUTION

    020 PREPARATION

    A. Ream pipe and tube ends. Remove burrs.

    B. Remove scale and dirt, inside and outside, before assembly.

    C. Prepare piping connections to equipment with flanges or unions.

    021 INSTALLATION

    A. Provide non-conducting dielectric connections wherever jointing dissimilar metals.

    B. Route piping in orderly manner and maintain gradient.

    C. Install piping to conserve building space and not interfere with use of space or interfere with other trades.

    D. Group piping whenever practical at common elevations.

    E. Install piping to allow for expansion and contraction without stressing pipe, joints, or connected equipment.

    F. Provide clearance for installation of insulation and access to valves and fittings.

    G. Provide access doors or panels where valves and fittings are not exposed. Coordinate size and location of access doors or panels with other Sections of this specification.

    H. Establish elevations of buried piping outside the building to ensure not less than three foot of cover, or as required by local codes.

    I. Where pipe support members are welded to structural building framing, scrape, brush clean, and apply one coat of zinc rich primer to welding.

    J. Extend sanitary vent lines thru roof using required lengths and minimum sizes above finished roof level as required by Federal, State, and Local Plumbing Codes and authorities having jurisdiction.

    K. Prepare pipe, fittings, supports, and accessories not prefinished, ready for finish painting. Refer to other Sections of this specification.

    L. Establish invert elevations, slopes for sanitary waste and vent piping at 1/4 inch per foot for piping 2 inch in size, and 1/8 inch per foot for piping 3 inch and larger.

    M. Install hub-and-spigot pipe with hub end upstream.

    N. Install valves with stems upright or horizontal, not inverted.

    O. Provide one gas plug cock wrench for every ten gas plug cocks sized 2 inch and smaller, minimum of one. Turn over to Owner.

    P. Indirect drainage lines such as condensate drains, drains from ice machines, equipment, and associated items shall be installed as directed below.

    1. Refer to other paragraphs of this Specifications Section for specified materials type requirements.

    2. Lines shall be connection size. Field verify sizes required.

    3. Do not route indirect drain lines longer than 15-foot, 0-inches, from equipment connection, or origin point to, discharge point at drain.

    4. Install pipe size running trap in indirect drain lines which are longer than 5-foot, 0-inches, from equipment connection, or origin point, to discharge point at drain.

    5. Install sweat joint brass screwed cleanout plugs in indirect drain lines at change in directions of pipe and at traps.

    6. Install indirect drain lines to a rigid condition.

    3.02 EXCAVATING AND BACKFILLING

    A. Perform trenching, excavating, and backfilling in accordance with Federal, State and Local authorities having jurisdiction, and applicable code requirements for the following piping systems inside the building.

    1. Sanitary waste and vent.

    2. Domestic water.

    3. Natural gas.

    B. Depth of excavation and bury for interior piping shall be as required by the rate of fall for gravity piping systems, and shall be a minimum of 24 inches for pressure piping systems.

    C. Depth of excavation for interior piping shall be carried to a depth of 6 inches below bottom of pipe elevation. Fill below pipe (6 inches), around pipe, and a minimum of 12 inches above pipe with sand or Class "B" crushed stone tampered firm and even. Final backfilling shall be done to exclude use of rock or stone above sand or Class "B" crushed stone.

    D. Refer to Specifications Section 15325: Exterior Plumbing Excavation, Backfilling and Compaction for installation of exterior piping systems.

    3.03 APPLICATION

    A. Use grooved mechanical couplings and fasteners only in accessible locations.

    B. Install unions downstream of valves and at equipment or apparatus connections.

    C. Install brass male adapters each side of valves in copper piped system. Sweat solder adapters to pipe.

    D. Install cutoff valves for shut-off and to isolate equipment, part of systems, and vertical risers.

    3.04 DISINFECTION OF DOMESTIC WATER PIPING SYSTEM

    A. Prior to starting work, verify system is complete, flushed and clean.

    B. Ensure PH of water to be treated is between 7.4 and 7.6 by adding alkali (caustic soda or soda ash) or acid (hydrochloric).

    C. Inject disinfectant, free chlorine in liquid, powder, tablet or gas form, throughout system to obtain 50 to 80 PPM of available chlorine.

    D. Bleed water from outlets to ensure distribution and test for disinfectant residual at minimum 15 percent of outlets.

    E. Maintain disinfectant in system for 24 hours.

    F. If final disinfectant residual tests less than 25 mg/L, repeat treatment.

    G. Flush disinfectant from system until residual equal to that of incoming water or 1.0 mg/L.

    H. Take samples 24 hours after flushing, from 2 percent of outlets and from water entry, and analyze in accordance with AWWA C601, and requirements of authority having jurisdiction.

    I. Supply and furnish copies of the domestic water piping system(s) disinfectant residual test results report with the specified required operating and maintenance manuals. Refer to Specifications Section 15308: Plumbing General Provisions for specified requirements.

    3.05 SYSTEMS TESTS

    A. Hydrostatically test the below listed systems as per the requirements of the Federal, State, and Local authorities having jurisdiction, including applicable Plumbing Codes and Guidelines.

    1. Interior domestic cold water.

    2. Interior domestic hot water.

    3. Exterior domestic/potable water.

    4. Sanitary waste and vent.

    B. Provide required air pressure tests for the below listed systems as per the requirements of the Federal, State, and Local authorities having jurisdiction, including the applicable Plumbing Codes and Guidelines, Gas Codes, and the C.G.A. requirements.

    1. Natural gas

    C. Test(s) shall be witnessed by Federal, State and Local authorities, Architect/Engineer, and any authority having jurisdiction.

    D. Provide as many tests as required, and repair any leaks throughout systems.

    3.06 SERVICE CONNECTIONS

    A. Provide new gas service complete with regulators. Gas service distribution piping to have initial pressure as required by equipment it serves. Provide regulators on each line serving gravity type appliances, sized in accordance with equipment.

    B. Pipe gas pressure relief valve discharge line(s) thru roof.

    3.07 DETAILS

    A. Refer to Contract Drawings for details.

    END OF SECTION

Rembco Geotechnical Contractors specializes in slope stabilization, foundation repair and support, shoring, grouting, soil nails, micropile installations, and sinkholes. We are experienced in these applications: micro piles, sinkhole repair, permeation grouting, pressure grouting, soil nails, chemical grouting, micropiles, compaction grout, rock anchors and compaction piles. Our specialties are rock anchor, chemical and compaction grouting, mini piles, sinkhole repair, micropiles, and soil nailing. We use a problem-solving approach in the geotechnical portions of buildings, bridges, water plants, sewage plants, tunnels, sinkholes, caisson, and roads. Rembco techniques apply when adding new real estate structures: especially rock anchor, microfine grouting, soil nailing, micropile installations for foundation support. Add URL Construction, Drilling and Concrete