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

Amount

Excavation in trenches not exceeding 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 thick in any type of soil complete all as specified and directed.

Removing excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 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 up or down old GI/DI/MS/PPR pipe with fitting of 15/ 20/ 25/32 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 50/63 mm bore

All as per item No. 5.00 above but pipe of 80/90 mm bore

All as per item No. 5.00 above but pipe of 100/110 mm bore

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 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. 9.00 above but pipe of 32 mm, SDR 7.4 (PN-16).

All as per item No. 9.00 above but pipe of 63 mm, SDR 11 (PN-10).

All as per item No. 9.00 above but pipe of 90 mm, SDR 11 (PN-10).

All as per item No. 9.00 above but pipe of 110 mm, SDR 11 (PN-10).

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

All as per item No. 14.00 above but pipe of 20 mm bore

All as per item No. 14.00 above but pipe of 25 mm bore

All as per item No. 14.00 above but pipe of 50 mm bore

Supply, laying, jointing and testing ductile iron water tubing 80 mm bore, medium grade including all DI fittings laid in trenches/ wall/ surface complete all as specified and directed. (Note:- Earthwork shall be measured & paid separetely)

Supply, laying, jointing and testing ductile iron water tubing 100mm bore, medium grade including all DI fittings laid in trenches/ wall/ surface complete all as specified and directed. (Note:- Earthwork shall be measured & paid separetely)

Re-laying of old serviceable (serviceable pipe as obtained from taking down) GI/PPR 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)

Supply, laying, jointing and testing mild steel galvanised water tubing 80 mm bore, medium grade including all GI fittings fitted to 10,000 gallons capacity PS over head water tank installed at 40' to 50' height staging including taking out old complete all as specified and directed. (Note:- Cost for arrangement of staging/ working platform is deemed to be included in the item quoted rate).

All as per item No. 21.00 above but pipe of 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 & 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 & directed.

Material & labour 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 & directed.

Supply & fixing PPR Gate Valves (Brass insert) of 25 mm outer dia including taking out old unservicble valve complete all as specified.

Supply & fixing PPR Gate Valves (Brass insert) of 32 mm outer dia including taking out old unservicble valve complete all as specified.

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

Material & labour for repairing of 80 mm dia sluice valve by opening for rectifying leakage, refacing, regrinding, replacement of gland packing, gasket, nut, bolt, washer, wheel and refixing in its original position after testing comeplete all as specified and as directed.

All as per item No. 29 above but pipe of 100 mm bore

Supply & fixing in replacement of cast iron sluice valve of 80mm 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. 31.00 above but valve of 100 mm bore

All as per item No. 31.00 above but valve of 150 mm bore

Supply only calcium hypochlorite granular form of 65% to 70% active granular chlorine packed in 45 kg PVC sealed container suitable for treatment of water for drinking purpose complete all as specified and directed .Make- Potter & Watts/Declibac/AQUAFIT

Supply & fixing 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. 35.00 above but valve of 25 mm bore

All as per item No. 35.00 above but valve of 50 mm bore

Supply & fixing 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.

Material and labour for construction of valve pit chamber of internal dimension 40 x 40 x 40 cm made 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 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 all as specified and directed.

Material and labour for construction of valve pit chamber of internal dimension 90 x 90 x 90 cm made 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 arrangements, 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 all as specified and and directed.

Material and labour 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 connecting PS tanks plates on height of 40' to 50' including two coats of black bituminous paint suitable for storage of drinking water including taking down existing complete all as specified and directed.

Supply and fix in replacement of LDPE pipe with nozzle threaded fitted to supply line complete suitable for 24 Gallons BP dozer all as specified and directed.

M&L for writing letters or figures (Block, Roman, Italic or Indian) n exc. 30 cm high as per colour scheme complete all as specified and directed.

M/S RK Trading

RAJ BUILDER

S K ENTERPRISE

R K CHAKRABORTY AND CO

M/S D G ENTERPRISE

M/S P.K.B.CONSTRUCTION

HIND CONSTRUCTION