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| 1 | Supplying, fabricatingand erecting / fixing in position the piping in yard,at all elevations from (underground up to seven meters) generally as indicated in the relevant drawings. Following specified materials shall be used. (1) Pipes: Hot Dipped Galvanized Carbon Steel Pipes: Hot-dip galvanized, beveled-end seamless carbon steel pipes of various sizes. Pipes shall be of make M/s Maharashtra Seamless Ltd. (MSL) / M/s Jindal, complying with the following standards:- Material to API 5L Grade B PSL-1 / ASME SA-106 Grade B / ASTM A106 Grade B / ASTM A53 Grade B; Dimensions to ANSI B36.10; Galvanizing to ASTM A123.(2) Bends: Hot Dipped Galvanized Carbon Steel Bends: Hot-dip galvanized Seamless carbon steel bends complying with the following standards:- Material to ASTM A234 Gr. WPB; Dimensions to ANSI B 16.9; Galvanizing to ASTM A123.(3) Flanges: Carbon Steel Flanges: RF/FF flanges Confirming to ASTM A105 / SA 105 and dimensions conforming to ASME/ANSI B16.5 of pressure class 150 lbs with 3mm thick neoprene/asbestos gasketsof suitable grade, fastened using suitable carbon steel bolts, nuts and washers, as directed by EIC.(4) Welding & Clamping: Pipes to be welded using E-6010 / E-6011 / E-6012 / E-6013 electrodes of make M/s Ador / Advani / D&H / Phillips and to be supported with suitable \"U\" clamps of minimum thickness 8 mm on mild steel structural frame work / tee supports. (5) Painting: Pipes to be painted with two coats ofPolyurethane Enamel paint over one coat of suitable primer after proper surface preparation to the satisfaction of EIC.(6) Inspection Requirements: All CS–HDG pipes along with elbows shall be galvanized only after inspection and acceptance in accordance with relevant standards. The inspection shall include verification of the original Manufacturer’s Test Certificates (MTC) from the OEM and testing certificates from a NABL-accredited laboratory. The inspection shall be carried out at the vendor’s site prior to galvanization, and only after compliance with all inspection requirements shall galvanization be undertaken.(7) Testing & commssioing: (a) DP test to be carried out on 10% of the weld joints as decided by EIC.; (b) Pipeline to be tested segment wise hydraulically at a pressure of 16 bar for a minimum of 30 minutes followed by flushing and commissioning.(8) Documents to be submitted: (a) Original manufacturer\"s test certificates of the pipes supplied.; (b) Pipe sample(s) as per IS 4711 to be tested at MSME or NABL accredited laboratory for its mechanical & chemical properties.; (c) Hot Dip Galvanizing Quality Assurance Certificate.; (d) ITI welder certificate / IBR welder certificate to be submitted for the engaged welders. The quoted unit rate shall include the cost of all materials, consumables, labour, tools, tackles, scaffolding, testing, and other incidental works required for satisfactory completion, as directed by the EIC. |
| 2 | DN 350 - Sch 30 |
| 3 | DN 200 - Sch 40 |
| 4 | DN 150 - Sch 40 |
| 5 | Supplying, fabricatingand erecting / fixing in position the piping in yard,at all elevations from (underground up to seven meters) generally as indicated in the relevant drawings. Following specified materials shall be used. (1) Pipes: (a) Carbon Steel Pipes: Beveled-end seamless carbon steel pipes of make M/s Maharashtra Seamless Ltd. (MSL) / M/s Jindal, complying with the following standards: Material to API 5L Grade B PSL-1 / ASME SA-106 Grade B / ASTM A106 Grade B / ASTM A53 Grade B; Dimensions to ANSI B36.10; (b) Stainless Steel Pipe: Beveled end Seamless stainless steel pipes of make M/s Jindal / Remi / Inox / Nippon / Ratnamani, complying with the following standards: Material to ASTM A312 TP304; Dimensions to ANSI B36.19.(2) Bends: (a) Carbon Steel Bends: Seamless carbon steel bends complying with the following standards: Material to ASTM A234 Gr. WPB; Dimensions to ANSI B 16.9. (b) Stainless Steel Bends: Seamless stainless steel bends complying with the following standards: Material to ASTM A403 / ASME SA403 WP304; Dimensions to ANSI B 16.9. (3) Flanges: (a) Carbon Steel Flanges: RF/FF flanges Confirming to ASTM A105 / SA 105 and dimensions conforming to ASME/ANSI B 16.5 of pressure class 150 lbs with 3mm thick neoprene/asbestos gaskets of suitable grade, fastened using suitable carbon steel bolts, nuts and washers, as directed by EIC.; (b) Stainless Steel Flanges: RF/FF flanges Confirming to ASTM A182 / ASME SA182 and dimensions conforming to ASME/ANSI B 16.5 of pressure class 150 lbs with 3mm thick neoprene gaskets of suitable grade, fastened using suitable carbon steel bolts, nuts and washers, as directed by EIC.(4) Welding & Clamping: Pipes to be welded using E-6010 / E-6011 / E-6012 / E-6013 / E-308L/ E-309L electrodes of make M/s Ador / Advani / D&H / Phillips and to be supported with suitable \"U\" clamps of minimum thickness 8 mm on mild steel structural frame work / tee supports. (5) Painting (Except SS Pipes): Pipes to be painted with two coats ofPolyurethane Enamel paint over one coat of suitable oil based primer after proper surface preparation to the satisfaction of EIC.(6) Testing & Commissioing: (a) DP test to be carried out on 10% of the weld joints as decided by EIC.; (b) Pipeline to be tested segment wise hydraulically at a pressure of 16 bar for a minimum of 30 minutes followed by flushing and commissioning.(7) Documents to be submitted: (a) Original manufacturer\"s test certificates of the pipes supplied; (b) Pipe sample(s) as per IS 4711 to be tested at MSME laboratory for its mechanical & chemical properties.; (c) ITI welder certificate / IBR welder certificate to be submitted for the engaged welders. The quoted unit rate shall include the cost of all materials, consumables, labour, tools, tackles, scaffolding, testing, and other incidental works required for satisfactory completion, as directed by the EIC. |
| 6 | Carbon Steel - DN 300 - Sch 30 |
| 7 | Carbon Steel - DN 100 - Sch 40 |
| 8 | Stainless Steel - DN 80 - Sch 10s |
| 9 | Carbon Steel - DN 80 - Sch 40 |
| 10 | Carbon Steel - DN 50 - NB Sch 40 |
| 11 | Supply and fixing of various valves as described in the following along with matching companion flanges with suitable bolts nuts, washers, fixing offlanges to pipe, aligning, testing, complete as directed by EIC.(1) Double Offset Butterfly Valve: Double Offset BFV, PN10, Flanged (ANSI B16.5) to API 609/EN 593. Body: ASTM A216 Gr. WCB; Disc: CF8/CF8M (Resilient); Stem: SS420. Internals: PTFE packing, SS410/17-4PH pins, SS316 bearings. Incl: Gearbox (Worm-gear), A193-B7/A194-2H bolting, Stainless steel nameplate. Test: Shell 15 Bar / Seat 11 Bar. Makes: Audco/Leader/BDK/Hawa/L&T/KSB/Kirloskar/Magwen/Dembla.(2) Gate Valves: Cast Carbon Steel (A-216GR. WCB) Gate Valve (GV) of Class-150 to API-600, Outside Screw, Yoke Type, Rising Stem with Back Seat Arrangement. Bolted Bonnet, 13% Cr. S.S. (AISI-410) Trim. Solid Wedge. Flanges as per ANSI-B 16.5 Class-150. Raised Face. Body Test Pressure 30 Bar Gauge, Seat & Back seat 22 Bar Gauge.Max. Makes: Audco/Leader/BDK/Hawa/L&T/Magwen/KSB(3) Three Piece Ball Valve: Three piece full bore ball valve; Pressure Rating: Class 150; Flanges: ANSI B 16.5, Class-150, Raised face; Body & Connector: ASTM-A-351, Gr. CF8M; Ball/Gland: ASTM A182 Gr. F316; Stem: SS17-4 PH; Seat/Body Seal/Stem Seal: Carbon filled PTFE/RPTFE/Graphite; Gland packing: Carbon filled PTFE/ Graphite; Body studs/ handle/nuts/fasteners: AISI SS 304 or SS 316; Face to face as per ANSI B16.10. Makes: Audco/Leader/BDK/Hawa/L&T/Magwen/Dembla.(4) Air Release Valve: CI Air Release Valve (ARV), Double Ball Type, PN10 to IS 14845. Body/Cover: CI (EN 1561 Gr.200); Balls: EPDM-coated wooden; Seat/Packing: Rubber (IS 638 B); Nipple: Gun-metal. Flanges to ASME B16.5. Max 10 Bar/60°C. Matching fasteners & Gaskets. Test: Shell 15 Bar / Seat 11 Bar, fully tested and ready for installation as directed by the Engineer-in-Charge. Makes: Kartar/Leader/Aarko.(5) Gun Metal Gate Valve: ISI-Marked Gun Metal GV, IS:778 Cl-1 (PN10). Rising Spindle, Non-rising Handwheel, Flanges to ANSI B16.5. Body/Bonnet/Wedge: GM (IS:318 LTB2); Spindle: SS410; Seats: Brass/Bronze. Max 10 kg/cm² Service. Test: Shell 15 Bar / Seat 11 Bar. Makes: Audco/Leader/BDK/Hawa/L&T/Zoloto/Magwen.Documents to be submitted: Original manufacturer\"s test certitificates of the valves supplied. |
| 12 | Double Offset Butterfly Valve -DN 350 |
| 13 | Double Offset Butterfly Valve -DN 150 |
| 14 | Double Offset Butterfly Valve -DN 100 |
| 15 | Cast Steel Gate Valve - DN 200 |
| 16 | Gun Metal Gate Valve - DN 50 |
| 17 | Ball Valve - DN 80 |
| 18 | Air Release Valve - DN 50 |
| 19 | Wrap coating of buried lines: Coating and wrapping of buried carbon steel pipelines and fittings consisting of surface cleaning of the pipes by mechanical wire-brushing to remove rust, scale, oil, and moisture, followed by the application of one uniform coat of coal tar primer conforming to IS 10241 or equivalent. Over the tacky primer, a cold-applied impregnated fibreglass tape of approved make (M/s PIPEKOTE / M/s RUSTFREE) shall be helically wrapped with a minimum overlap of 25 mm, ensuring a total coating thickness of not less than 4 mm. The polyethylene outer layer of the wrap shall be thermofused using a thermo torch to obtain a continuous bonded surface, after which a compatible coal tar or bituminous seal coat shall be applied uniformly to ensure watertightness and mechanical protection. The coating shall be continuous, wrinkle-free, and free from air pockets or pinholes, and the wrapping shall cover all fittings, bends, and joints completely. Damaged portions shall be cut out and recoated to the satisfaction of the Engineer-in-Charge. The work shall be measured on the actual linear length of pipeline, including fittings, and the quoted rate shall include the cost of all materials, labour, tools, equipment, surface preparation, testing, and consumables necessary to complete the work in accordance with this specification. |
| 20 | Structural steel work with standard section like MS angles, flats, joists, channels, etc., at all levels below/above ground/ plinth level including supply the steel sections conforming to IS:2062 of make M/s Vizag Steels/Tata/Sail transporting, cutting, fabricating using welding/bolts, weld rods (D & H, Advani, Philips) and /or bolt and nuts from approved source, erecting and fixing in position using derricks/pullies or any other suitable means, etc., including painting with two coats of Polyurethane Enamel paintmake, over one coat of approved red oxide zinc chromate primer/compatible primer of Asian Paint, Berger, Johnson and Nickelson, Pedilite, Nerolac make approved shade, cleaning the sections by suitable means, etc., complete for pipe support horizontal and vertical trestles, brackets, etc., all as per specifications and as directed by the Engineer-in charge. Sample(s) to be tested for its mechanical and chemcial properties at a MSME/NABL accredited laboratory. |
| 21 | Excavation in Trenches in all soils except soft and hard rock upto depths mentioned below from average ground level dressing the base to the required levels including dewatering if necessary and back filling in trenches and plinth with approved excavated earth in layers not exceeding 250 mm levelling, watering and consolidating and disposing the surplus earth within a distance of 50 m complete as directed.(a) Up to 1.5m depth |
| 22 | Dismantling/breaking the existing bituminous surfaces road carefully to the required size, including removing, solling, WMB road, stacking useful materials at the locations shown and disposing of debris with in a distance of 50 m etc., as specified and directed. |
| 23 | Dismantling/breaking the existing plain cement concrete surfaces carefully in flooring, platforms etc. to the required size, using pneumatic cutters or any approved means including disposing of debris within a distance of 50 m etc., complete as specified and directed. |
| 24 | Cement concrete 1:4:8 using Portland Cement conforming to BIS 1489/8112 (M/s. ACC, Ultra Tech, Raasi, Birla, Coramandal, M/s. Andhra Cement Ltd., KCP), river sand and graded stone aggregates of 40 mm maximum size at and at all depths below plinth level including consolidation, finishing, curing, etc., complete but excluding form work as per specifications for mud mat of foundations, equipment foundations, pedestals, masonry walls, Trenches etc. |
| 25 | Cement concrete 1:2:4 grade using Portland Cement conforming to BIS 1489/8112 (M/s.ACC,Ultra Tech, Raasi, Birla, Cormandal, M/s. Andhra Cement Ltd., KCP), river sand and graded stone aggregates of 20 mm maximum size at and at all depths below plinth level including consolidation, finishing smooth/broom finish as applicable, curing, etc., for pedestals but excluding form work as per specifications. |
| 26 | Form Work: Providing centering and shuttering using steel shuttering plates at all depths and heights below and above plinth level, vertical, horizontal, inclined including strutting,proping using steel pipes/across staging, removal, cleaning of the same for insitu reinforced cement concrete and in plain cement concrete work as required including chamfers, splays, keys, wedges, nails, bracings, brackets and applying one coat of shuttering oil and all shuttering surfaces coming in contact with concrete etc., complete as directed.(a) Columns/Pedestals at all elevations using steel shuttering |
| 27 | Removing of existing damaged/corroded , unserviceable M.S/CS/SS pipe lines by unscrewing / cutting and transporting to the site shown as directed by Engineer in-charge. |
| 28 | MS -DN 400 |
| 29 | MS - DN 200 |
| 30 | MS - DN 150 |
| 31 | MS - DN 100 |
| 32 | SS - DN 80 |
| 33 | MS - DN 80 |
| 34 | Lead charges including loading/unloading, stacking, disposable earth by mechanical transport for lead exceeding 500 m but not exceeding 1 km. |
