REPAIR, REPLACEMENT AND MAINT OF RISING MAIN, DISTRIBUTION EXTERNAL PIPELINE NETWORK AND CONNECTED ALLIED ITEMS AT AF STN MOHANBARI

Excavation in trenches n.exc 1.50 mtr wide and not exceeding 1.50 mtr deep for taking out/ laying of under ground cable, pole, pipe, stay and getting out in soft soil strata including making good to the disbturbed surfaces such as hardstanding, footpath/ pavments complete all as specified and directed.

Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25cm spread any type of soil complete all as specified and directed.

Removing excavated materials n.exc 50 mtr and depositing where directed at a level n.exc 1.50 mtr above the starting point complete all as specified and directed.

M&L for boring/ drilling (horizontally) hole manually under existing road, pavement, hard standing (maximum 10mtr in width) suitable for passing water pipe line upto 110mm complete all as specified and directed.

Taking down old GI/MS/PPR pipe with fitting of 15/20/ 25 mm bore from surface/ trench including dismantling and removing (except serviceable pipe for re-fixing) materials from work site complete all as specified and directed. Note:- Earthwork shall be measured & paid separetely.

All as per item No. 5.00 above but pipe of 32/ 40/ 50/63 mm bore complete all as specified and directed.

All as per item No. 5.00 above but pipe of 80/90/100/110/160 mm bore complete all as specified and directed.

Supply, laying, jointing and testing 3 layer PPR Polypropylene random copolymer concealed pipes UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PPR plain and brass threaded polypropylene random fittings laid in trenches / wall/ surface including all fittings & necessary clamps of outer dia 25mm, SDR 7.4 (PN-16) complete all as specified and directed. Note:- Earthwork shall be measured & paid separetely.

All as per item No. 8.00 above but pipe of 32 mm, SDR 7.4 (PN-16).

All as per item No. 8.00 above but pipe of 63 mm, SDR 11 (PN-10).

All as per item No. 8.00 above but pipe of 90 mm, SDR 11 (PN-10).

All as per item No. 8.00 above but pipe of 110 mm, SDR 11 (PN-10).

Supply, laying, jointing and testing mild steel galvanised water tubing 15 mm bore, medium grade including all GI fittings, flange, gasket, nut , bolts if required laid in trenches/ wall/ surface complete all as specified and directed. (Note:- Earthwork shall be measured & paid separetely)

All as per item No. 13.00 above but pipe of 20 mm bore

All as per item No. 13.00 above but pipe of 25 mm bore

All as per item No. 13.00 above but pipe of 50 mm bore

All as per item No. 13.00 above but pipe of 80 mm bore

All as per item No. 13.00 above but pipe of 100 mm bore

Re-laying of old serviceable (serviceable pipe as obtained from taking down) GI pipe of 15/ 20/ 25 mm bore after cleaning but including all fittings laid in trenches/ wall/ surface complete all as specified and directed. Note:- Earthwork shall be measured & paid separetely.

All as per item No. 19.00 above but pipe of 32/ 40/ 50 mm bore

All as per item No. 19.00 above but GI pipe of 80/ 100 mm bore

Cutting of existing CI/ GI pipe 80 mm in position for insertion and including of new tee of size 80 mm complete all as specified and directed.

Cutting of existing CI/ GI pipe 100 mm in position for insertion and including of new tee of size 100 mm complete all as specified and directed.

M&L for repairing of 100 mm CI pipeline by filling lead joint with all jointing materials and gland packing (wherever necessary) to make joint water leak proof including burning out lead joint in position complete including necessary earth work as required complete all as specified and directed.

S&F for PPR Gate Valves (Brass insert) of 25 mm outer dia including taking out old unservicble valve complete all as specified and directed.

S&F for PPR Gate Valves (Brass insert) of 32 mm outer dia including taking out old unservicble valve complete all as specified and directed.

S&F for PPR Gate Valves (Brass insert) of 63 mm outer dia including taking out old unservicble valve complete all as specified and directed.

S&F for PPR Gate Valves (Brass insert) of 90 mm outer dia including taking out old unservicble valve complete all as specified and directed.

S&F in replacement of cast iron sluice valve of 80 mm bore, class PN 1.6, ISI marked with iron wheel head both end flanged, brass spindle any pattern with check nut complete with jointing material nut, bolt and washers etc complete all as specified and directed.

All as per item No. 30.00 above but valve of 100 mm bore

All as per item No. 30.00 above but valve of 150 mm bore

S&F in replacement of 20 mm bore, gun metal gate valve, yoke type, full opening with iron wheel head, screwed both ends, ISI marked complete all as specified and directed.

All as per item No. 32.00 above but valve of 25 mm bore

All as per item No. 32.00 above but valve of 50 mm bore

M&L for repairing of 80 mm dia sluice valve by opening for rectifying leakage, refacing, regrinding, replacement of galand packing, gasket, nut, bolt, washer, wheel and refixing in its original position after testingcomplete all as specified and directed.

M&L for repairing of 100 mm dia sluice valve by opening for rectifying leakage, refacing, regrinding, replacement of galand packing, gasket, nut, bolt, washer, wheel and refixing in its original position after testing complete all as specified and directed.

M&L for construction of valve pit chamber of internal dimension 40 x 40 x 40 cm with sub class 'B' bricks in cement mortar (1:4) and 10 mm thick plastering in cement mortar (1:4), PCC (1:4:8), type D2 (using 40 mm graded broken stone aggregate) as in foundation lean concrete, PCC (1:3:6), type CI (using 20 mm graded broken stone aggregate) as in bedding and copping MS frame with 40 x 40 x 5 mm angle iron and 3 mm thick MS sheet cover plate with locking arrangements, hinges and two coats of synthetic enamel paint over one coat of red oxide primer including preparation of surface, two coats of white wash on plastered surface (exposed to view) including necessary excavation in soft/ loose soil, returning filling in and removal of surplus soil to a distance not exceeding 50 m complete including dismantling of old complete all as specified and directed.

M&L for construction of valve pit chamber of internal dimension 90 x 90 x 90 cm with sub class 'B' bricks in CM (1:4) and 10 mm thick plastering in CM (1:4), PCC (1:4:8), type D2 (using 40 mm graded broken stone aggregate) as in foundation lean concrete, PCC (1:3:6) type CI (using 20 mm graded broken stone aggregate) as in bedding and copping MS frame with 40 x 40 x 6 mm angle iron 5 mm thick MS sheet cover plate with locking arrangement, double door type opening, hinges and two coats of synthetic enamel paint over one coat of red oxide primer including preparation of surface, three coats of white wash on plastered surface (exposed to view) including necessary excavation in soft/ loose soil, returning filling in and removal of surplus soil to a distance not exceeding 50 m complete including dismantling of old complete all as specified and directed.

M&L for Cleaning of valve pit chamber with sluice valve, pipes etc, 80 mm to 100mm dia including replacement of existing wornout/defective gland packing, nut, bolt & washer, etc with new one to make the sluice valve perfectly leak proof including marking of flow direction of inlet & outlet pipe line with necessary colour coding with one coat of synthetic enamel paint after preparation of old steel surfaces valve pit cover ccomplete all as specified and directed.

M&L for Developing tube well with air compressor of suitable capacity till sand/mud free water of portable quality to be obtained and to achieve maximum discharging capacity of 10000 GPH complete all as specified and directed. Note : Compressor with accessories and fuel shall be arranged by the contractor.

M&L for mild steel bracing/ channel/ angle iron support fabricated from structural steel sections including MS Nuts, bolts and washers with necessary welding, bending cold or hot, drilling holes for bolts in any shape or size for Valve pit chamber Cover including two coats of aluminium paint over one coat of primer, marking of flow direction of inlet & outlet pipe line with necessary colour coding complete including taking down old complete all as specified and directed.

M&L for Compound girders and stanchions, lattice girders, aerial masts, staging for water tanks and the like including caps, bases, splices etc. built up from two or more beam or channel sections or angles with plates, including all lattice bars, stiffeners, gusset plates, etc. Fe 410-W (Gde E- 250) quality A complete all as specified and directed.

S&F in replacement of cast iron non return sluice valve of size 100 mm with flanged ends, brass spindle any pattern with check nut confirming to IS including jointing material, nuts, bolts, and washer etc complete all as specified and directed.

S&F for automatic star delta motor starter of capacity up to 20 HP, relay max range 17 to 25 Amp, 415 volts, 3 phase, with contactor, single phase preventor,over load relay protection, timer, and including taking down the old/unserviceable star delta motor starter complete all as specified and directed.

S&F in replacement of pressure gauge, range 0 to 60 Kg/CM2, as per the existing make and specifications with 3/8" brass sampling cock and pressure gauge cock complete all as specified and directed.

Demolition of cement concrete unreinforced, in ground floor or pavings below or above ground level from foundation of filtration plant including removal of debris from site complete all as specified and directed.

M&L for PCC 1:2:4 type B-1 using 20 mm graded mechanically crushed stone aggregates as in foundation, sub base or mass concrete complete all as specified and directed.

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