Public Health Engineering Department Tender

Providing and fixing of flanged/ plain ended MS Specials made from MS sheet strips of relevant IS specification of approved thickness by welding, lowering, laying, aligning, fixing in position at all level/ depths in trenches complete including all taxes, material, labour, inside lining, outside coating, testing and commissioning along with pipe line as per technical specifications and direction of Engineer-in-charge.

MS Specials upto 600 mm dia (with minimum 5.0mm thickness sheet)

Dismantling of cement concrete pavement for pipe line and chambers by mechanical means using pneumatic tools, cutting the peripheral edge by CC cutter, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 meters. Measurement for dismantled trench to be made as per standard trench width specified in tender document and no extra payment shall be made for trench width more than specified, re-handling of material/earth to complete the tasks as per technical specification and scope of work.

Providing and laying in position cement concrete in specified grade over prepared base course complete including finishing, curing, all material, labour, machinery, lighting, guarding for road restoration work in trenches of pipe line and chamber work. Measurement for CC work to be made as per standard trench width specified in tender document and no extra payment shall be made for trench width more than specified, complete work as per technical specification and scope of work.

M20 grade Nominal Mix 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size).

Providing, lowering, aligning, fixing in position in pipe line, CI D/F Sluice valves of approved make of following Pressure rating & dia complete, confirming to IS:14846 (amended up to date) and of following specifications: Body, Bonnet, Wedge, Gland, Thrust Plate, Cap & Hand wheel of Grey cast iron of IS:210/ FG200 Stem - SS 304 ,Body Seat ring, Wedge facing ring & Bushes - LTB2/ SS , Face to face dimensions as per IS 14846/2000 (amended up to date), All exposed machined ferrous surfaces shall be painted with one coat of aluminium red oxide primer conforming to IS:5660 and two coats of black Japan paint conforming toType B of IS 341or paint conforming to IS9862 or IS2932( Non-Toxic- suitable for drinking water) applied inside and outside, Flanges Drilled as per IS 1538.Nut-Bolt confirming to IS:1363 and IS: 1367/ CS/ galvanised steel.Insersion rubber of black EPDM 6mm thick . Suitable support structure as per directions of EIC. Sluice valves including all jointing & jointing material, labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer-in-charge. Note: Rates are exclusive of tail piece/ dismantling joints and earth work.

Manually Operated CI Sluice valve of Class PN-1.0

80 mm HW

100 mm HW

Providing, lowering, aligning, fixing in position in pipe line at work site, DI D/F Resilient seated (soft seated) Sluice Valves (Gate Valves) , Vacuum tight(bubble tight), straight and pocket less body passage of approved make of following class & dia complete confirming to BS-EN-1171/ AWWA C-509 and of following specifications: Body & bonnet of Ductile cast iron of grade GGG40/GGG50 as per DIN 1693 or GR SG-400/12 as per IS 1865 or equivalent grade as per IS :3896-part2-1985 and subsequent revisions, Wedge of same material as body & shall vulcanised rubber lined with EPDM (food grade quality) and seals of NBR Face to face dimensions as per BS 5163-89/ IS 14846/2000 (amended up to date) /Din 3202 F4, Stem/ spindle of SS (AISI 316 or equivalent) Electrostatic epoxy powder(EP-P)/ Fusion bond epoxy ( Non-Toxic- suitable for drinking water) coated with minimum thickness of 250 microns inside and outside, Drilled as per IS 1538. Nut-Bolt confirming to IS:1363 and IS: 1367 (Galvanised steel) Insersion rubber of black EPDM 6mm thick. Suitable support structure as per directions of EIC, Sluice valves including all jointing & jointing material, labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer-in-charge. Note: Rates are exclusive of tail piece/ dismantling joints and earth work.

Manually Operated Resilient Seated Sluice Valves of Class PN 1.0/1.6

80 mm dia

100 mm dia

Earth work in excavation in foundation trenches or drains including dressing of sides and ramming of bottoms, lift up to 1.5 Mtr. including taking out the excavated soil and depositing and refilling of jhiri with watering & ramming and disposal of surplus excavated soil as directed within a lead of 50 meter.

All kind of soil

Ordinary Rock

Hard Rock (Requiring prohibited)

Providing service connection as per technical specification and standard drawing as per relevant IS Code (amended up to date) from all kind of water mains up to consumer meter/premises (Complete job).This job includes digging out suitable size of pits and trench for laying service line in all kinds of soil including demolishing of cement concrete,WBM, Black top etc. Of all thickness; cutting of CC road/jhiri b'y using a concrete cutter machine; depositing and refilling of pit & jhiri with watering & ramming /compacting in layers and disposal of surplus excavated soil as directed with in a lead of 50 meter ; providing & fixing of all fitting duly approved in accordance with ISO/DTR 9080asperspecification for potable water including approved make of MS/PVC clampwith saddlepiece, gunmatel ferrule 4.0mm (ISI make), valve (IS 778) and specials with MDPE pipe PE 80 PN 12.5 as per ISO 4427 below ground level andP&F GI pipe 15mm dia class B (ISI Mark) above ground level in the premises for fixinf tap (max. length 2.0 mtr), P&F a 15 mm Bib cock with foam flow chrome plated with complete brass body including brass handle having good quality with wt 300 to 325 gm, including accessories with flushing, cleaning, disinfection and testing of pipe line complete required for making of service connection complete in all respect including labour charges. in addition to the ferrule, an orific of 4.0 mm dia should also be provided in the service line at the entry point of consumers property in such a way that it should be accessible for inspection to VWSC, PHED and any other agency which would like to inspect as and when required. The service line should be laid at least 45 cm below ground level, except in case of concrete/ bituminus roads where minimum depth shall be 20 cm. For detailed specifications of MDPE pipes please refer section Technical specification of bid document. General specifications of MDPE pipes shall be as under. The raw material shall be vergin PE 80 blue compound and comply with the requirements of ISO/Directive of testing material 9080 with minimum required strength of 8kg/sq.cm. .The raw materal shall be food grade quality pressure rating shall be 12.5 bar. The pipes shall bear ISO marking.

Average length upto 5 mtr 20 mm dia MDPE pipe and 02 mtr 15 mm GI pipe class B

Extra length of 20 mm MDPE pipe icluding excavation providing, laying & jointing of service line above 5.00 mtr