WPC 2QB$R ZCourierw RomanCourierCourier BoldCourier Italic@`7@HP LaserJet 4HPLAS4.PRS 4d\( @\*"P@  X` hp x (#%'0*,.8135@8:, P age,  s5  F ooter, B , E dit. Delete the "Project Name (ftr B)" text and replace  s5K it with the name of the project (bolded) . , until you arrive at the document text.(# D.The Guide Specifications are being reviewed and revised. Your technical comments on any guide spec would be greatly appreciated. Also, any specs that are written "from scratch" that would benefit others could be sent to either Dion Dishong or Lori Quayle, RS110.(#  s5  DRAWING DATA REQUIRED: Location and detail drawings as needed. Use the following standard drawings as appropriate:(# A.` ` Drawing No. 02510 1: Pipeline Installation Types(#`  s4  REVISIONS OF THIS SECTION:  r5o  CSI format, editorial changes: 4/97 Metric: Technical Update: 1/91 POINT OF CONTACT: Lydia Creager Phone: (303) 2369503d0*(( XM s4 #d `7#`(#JGAS DISTRIBUTION Project Name (ftr B)` (#T[4/97] .02554   b-SECTION 02554 +GAS DISTRIBUTION PART 1: GENERAL 1.1SUMMARY(# A.Section Includes: Furnishing and installing outside natural gas distribution system from the meter outside the building to the utility gas main.(# B.Related Sections:(# ************************************************** DELETE EITHER 01009 OR 01010. EITHER SECTION 01330 OR 01458 MUST BE USED WHEN 01010 IS USED. ************************************************** General Information and Requirements(#`(#MSection 01009 Summary of Work(#`(#MSection 01010 Submittal Procedures(#`(#MSection 01330 Certificates(#`(#MSection 01331 Temporary Facilities and Controls(#`(#MSection 01500 Closeout Submittals(#`(#MSection 01780 Color Schedule(#`(#MSection 09999 Natural Gas Systems(#`(#MSection 15489 1.2SUBMITTALS(# A.General: Submittals shall be according to [Section 01009 General Information and Requirements.] [Section 01330 Submittal Procedures.] [and] [Section 01331 Certificates.](# B.Manufacturer's Literature: Submit [____] copies of the manufacturer's descriptive data for the valves to be used on this project.(# C.Certificates of Conformance: Submit [____] copies of written certification from the pipe manufacturer of the Contractorfurnished pipe to be used on this project that it conforms to the requirements of this specification section.(# 1.3QUALITY ASSURANCE(# A.Failure Criteria: Not limited to the following:(# 1.` ` Evidence of leakage.(#` 2.` ` Evidence of breakage of pipe.(#` 3.` ` Malfunctioning valves.(#` 4.` ` Blockage of piping.(#` 5.` ` Pressure drop.(#` 1.4PROJECT/SITE CONDITIONS(# A.Work Limits: Will be [staked] [and] [control points established] by the Government.(# B.Service to Site: High pressure gas service shall be brought to the site by [_________________________] to the meter location shown on the drawings. Meter shall be installed by the utility company providing the gas service according to Section 15489 Natural Gas Systems.(# }&0*s's'ԌPART 2: PRODUCTS 2.1MATERIALS(# A.Pipe: Shall be according to ASTM A 53, Schedule 40 black iron or steel, and shall be coated and wrapped with a continuous polyethylene covering.(# B.Joints: Below ground joints shall be of welded construction with Schedule 40 steel or malleable iron fittings.(# C.Threaded Fittings: Shall be compatible with the pipe being used and as recommended by the pipe manufacturer.(# D.Stop Valves: Shall be line sized and be of brass or bronze construction with flat head.(# E.Valve Boxes: [Each valve 21/2 inches and smaller on buried piping shall be provided with a precast concrete valve box of a size suitable for the valve. The wording "GAS" shall be cast into the cover.] [Valves 3 inches and larger on buried piping shall be provided with a service box of cast iron extension type of the required length having screw adjustment. Provide a cast iron cover with the wording "GAS" cast into the cover.](# F.Marking Tape: Color coded for gas piping.(# G.Bedding Material: Shall be as specified in Section 02321 Trenching.(# H.Protective Casing: Galvanized pipe according to ASTM A 53, Schedule 40 with extruded polyethylene coating, 2 sizes larger than gas line being placed inside.(#  PART 3: EXECUTION 3.1PREPARATION(# A.Clearing and Grubbing: Shall be performed according to Section 02231 Clearing and Grubbing.(# B.Excavation: Shall be performed according to Section 02321 Trenching. Trenches for underground piping shall be a minimum of 24 inches below grade. See the drawings for trenching details.(# 3.2INSTALLATION(# A.General: [Pipe shall be installed in trenches and to the lines and grades shown on the drawings.] [Installation shall be according to NFPA No. 54.] No pipe shall be installed in water. Full length of each section of pipe shall rest firmly on the bedding material.(# B.Pipe Cleaning: Thoroughly clean inside of pipe and fittings before installing. Blow lines clear by using 80 psig to 100 psig clean dry compressed air. Rap steel lines sharply along entire length before blowing clear. Cap or plug ends of pipe as necessary to maintain cleanliness throughout installation.(# C.Grading: Piping shall be graded not less than 1/4 inch in 15 feet length to prevent trapping.(# }&0*s's'ԌD.Bedding Material: Shall be placed according to Section 02321 Trenching.(# E.Joints: Shall be coated and wrapped according to the gas company's recommendations. Insulating unions shall be used to isolate brass or bronze stop valves.(# F.Threaded Fittings: Shall be made up with an approved pipe dope for natural gas applications.(# G.Valves and Valve Boxes: Shall be set plumb, with valve boxes centered directly over the valves. Valve boxes shall be located outside the area of the roads, streets and sidewalks. Earth fill shall be tamped around the valve box to a distance of 4 ft on all sides of the box, or to the undisturbed trench face when it is less than 4 ft. Clean foreign matter from interior of valves before installation.(# H.Termination of Lines: Ends of lines shall be capped leaving sufficient space for removal.(# I.Protective Casing: [Shall be steel pipe installed at road crossings in a trench as shown on the drawings.](# J.Exposed Piping: Shall be painted with an oilbase paint, color as indicated in Section 09999 Color Schedule.(# 3.3CONNECTION(# A.Requirements: Connections to utility company or agency service line or meter shall be made according to the requirements of the utility having jurisdiction.(# 3.4FIELD QUALITY CONTROL(# A.Leak Testing: Shall be done according to Section 02518 Testing of Piping Systems.(# B.Purging: After piping has been checked, the Contractor shall fully purge the gas piping according to the following:(# 1.` ` Do not purge piping into the combustion chamber of an appliance.(#` 2.` ` Do not purge open end of piping systems into confined spaces or areas where there are sources of ignition, unless the space is adequately ventilated, purging rate is controlled, and all hazardous conditions are eliminated.(#` C.Lighting Pilots: After purging the gas piping, the Contractor shall purge all appliances and light pilots before leaving the premises.(# 3.5BACKFILLING(# A.Requirements: Upon completion and acceptance of testing, trenches shall be backfilled as specified in Section 02321 Trenching, with warning tape and above ground markers installed as specified in Section 02501 Utility Line Marking.(# 3.6TRAINING OF GOVERNMENT EMPLOYEES(# A.Requirements: Shall be according to Section 01780 Closeout Submittals.(# }&0*s's'ԌPART 4: MEASUREMENT AND PAYMENT 4.1METHOD OF MEASUREMENT(# ***************************************************** WHEN A "LUMP SUM" CONTRACT IS USED, DELETE THE TITLE PART 4: MEASUREMENT AND PAYMENT, AND BOTH ARTICLES FROM THIS SECTION. MEASUREMENT AND PAYMENT WILL BE ADDRESSED IN PART 4 OF SECTION 01009 OR SECTION 01010. WHEN NOT A "LUMP SUM" CONTRACT, SELECT APPLICABLE PHRASES; USE THE "NO MEASUREMENT" PHRASE WHEN NONE OF THE PAY ITEMS IN THIS SECTION ARE INCLUDED IN THE BID SCHEDULE. ***************************************************** A.Units: The work described in this Section will [not be measured for payment.] [be measured and paid for] [on a lump sum basis.] [by the linear foot measured along the centerline and on the ground surface over the completed types, sizes, and pressure ratings of pipelines.] [The quantities of valves and valve boxes to be paid for will be the actual number of these items.] (# 4.2BASIS OF PAYMENT(# ***************************************************** WHEN NOT A "LUMP SUM" CONTRACT, SELECT APPLICABLE PHRASES; USE THE "NO DIRECT PAYMENT" PHRASE WHEN NONE OF THE PAY ITEMS IN THIS SECTION ARE INCLUDED IN THE BID SCHEDULE. WHEN NOT A "LUMP SUM" CONTRACT AND PAYMENT IS TO BE MADE UNDER THIS SECTION, SELECT APPLICABLE PAY ITEMS. DO NOT CHANGE PAY ITEM NUMBER. WHEN MORE THAN ONE DIAMETER OR GAUGE IS SPECIFIED FOR ANY PAY ITEM, LETTER SUFFIXES WILL BE ADDED AFTER THE PARENTHESIS OF THE ITEM NUMBER. WHEN GOVERNMENTFURNISHED PROPERTY IS SPECIFIED FOR PAY ITEMS, THE LETTER SUFFIX GF WILL BE ADDED AFTER THE PARENTHESIS OF THE ITEM NUMBER. ***************************************************** A.Payment: [No direct payment for the work described under this section will be made. Consideration for this item shall be included in the bid price for other scheduled items of the Contract.] [Prices and payment will be full compensation for the work described in this section. Payment will be made under:](# Pay Item@ @ Pay Unit(#@ 02632(01) Gas Distribution System(#p (#RLump Sum 02632(10) Gas Piping ___ Inch Dia(#p(#OLinear Foot 02632(20) Stop Valve and Valve Box ___ Inch Dia(#p!(#VEach 02632(30) Protective Casing ___ Inch Dia(#p(#OLinear Foot 0,END OF SECTION