REPAIR/ REPLACEMENT OF EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM AND SEWAGE PUMPING SYSTEM AND OTHER MAINTENANCE WORKS IN DOMESTIC AND TECHNICAL AREA AT AFS TEZPUR UNDER GE (AF) TEZPUR.

Amount

Excavation in trenches not exc. 1.5 m wide and not exc. 1.5 m in depth for foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick with soils complete all as specified and as directed.

Removing of excavated material (soil) to distance not exc.50metres and deposited where directed at a level not exc.1.5 metre above the starting point complete all as specified and as directed.

Supply and fix for 150 mm bore galvanised steel tubing 'medium grade' (IS-1239), with all fittings laid in trenches including taking up or old GI steel tubing and connections complete all as specified and as directed. (Note: For serial item Nos 4.00 to 7.00: Earth work shall be measured and paid seperately under relevant item)

All as per serial item No.4.00 here-in-before but for 100 mm bore galvanised steel tubing.

All as per serial item No.4.00 here-in-before but for 80 mm bore galvanised steel tubing.

All as per serial item No.4.00 here-in-before but for 50 mm bore galvanised steel tubing.

Supply and fix for 50 mm bore galvanised steel tubing 'medium grade' (IS-1239), with all fittings, fixed to walls and ceilings or laid in floors including taking up or old GI steel tubing and connections complete all as specified and as directed.

All as per serial item No.8.00 here-in-before but for 40 mm bore galvanised steel tubing.

All as per serial item No.8.00 here-in-before but for 32 mm bore galvanised steel tubing.

All as per serial item No.8.00 here-in-before but for 25 mm bore galvanised steel tubing.

All as per serial item No.8.00 here-in-before but for 20 mm bore galvanised steel tubing.

Material labour for 90 mm outer dia 3-layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply all PP-R plain and brass threaded polypropylene random fittings laid in trenches including taking up or down old PP-R pipe and connections complete all as specified and as directed. (Note: For serial item Nos 13.00 to 17.00: Earth work shall be measured and paid seperately under relevant item)

All as per serial item No.13.00 here-in-before but for 63 mm outer dia.

All as per serial item No.13.00 here-in-before but for 50 mm outer dia.

All as per serial item No.13.00 here-in-before but for 32 mm outer dia.

All as per serial item No.13.00 here-in-before but for 25 mm outer dia.

Relaying or refixing old steel tubing 50 mm bore and connections in new or old position ( walls, ceilings, floors etc.) inlcuding washing/ cleaning, cutting and making new fittings, fixtures complete all as directed.

All as per serial item No.18.00 here-in-before but for 40 mm bore.

All as per serial item No.18.00 here-in-before but for 32 mm bore.

All as per serial item No.18.00 here-in-before but for 25 mm bore.

All as per serial item No.18.00 here-in-before but for 20 mm bore.

Supply, laying, connecting and testing 150 mm bore, ductile iron pipes socket and spigot class K-9 suitable for including rubber gasket joint in standard working length conforming to IS-8329 laind in trenches including taking down or up old GI/ CI/ DI tubing and connections complete from any location/ position and remove to store complete all as specified and as directed. (Note: For serial item Nos 23.00 to 25.00: Earth work shall be measured and paid seperately under relevant item)

All as per serial item No.23.00 here-in-before but for 100 mm bore.

All as per serial item No.23.00 here-in-before but for 80 mm bore.

Supply and laying of ductile iron fittings for spigot and socketed pipes such as bends (any type, radius and angle), tapers any type (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch, 'Y' junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs suitable for bore of pipe up to 150 mm complete all as specfied and as directed.

Supply and laying of cast iron fittings for spigot and socketed pipes such as bends (any type, radius and angle), tapers any type (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch, 'Y' junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs suitable for bore of pipe up to 150 mm complete all as specfied and as directed.

Material labour as in repair for run lead joint 150 mm bore spigot and socket ends cast iron pipes and fittings including leakage joint complete all as specified and as directed. (Note: Earth work shall will be measured and paid separately under relevant item)

All as per serial item No.28.00 here-in-before but for 100 mm bore.

All as per serial item No.28.00 here-in-before but for 80 mm bore.

Material and labour for push on flexible joints with rubber gaskets conforming to IS-5382 for centrifugally cast (spun) ductile iron pressure pipes and fittings for water mains, with spigot and socketed ends, 80 mm bore including taking down old one complete all as specified and as directed.

All as per serial item No.31.00 here-in-before but for 100 mm bore.

All as per serial item No.31.00 here-in-before but for 150 mm bore.

Supply and fix for 80 mm bore cast iron sluice valve with flange ends heavy duty class PN-1.0, ISI marked, drilled holes for bolt, comprising of SS spindle and cast iron operated handle with necessary rubber gasket joint with nut and bolts including taking down old sluice valve complete all as specified and as directed.

All as per serial item No.34.00 here-in-before but for 100 mm bore.

All as per serial item No.34.00 here-in-before but for 150 mm bore.

Supply and fix for 80 mm bore cast iron non return valve with flange ends heavy duty (IS-5312) class PN-1.6, ISI marked, drilled holes for bolt, with necessary rubber gasket joint with nut and bolts including taking down old non return valve complete all as specified and as directed.

All as per serial item No.37.00 here-in-before but for 100 mm bore.

Supply and fix for 150 mm bore butterfly valve ISI marked, ISI marked, drilled holes for bolt, comprising of SS spindle and GI operated handle with necessary rubber gasket joint with nut and bolts including taking down old valve complete all as specified and as directed.

Supply and fix for 100 mm bore butterfly valve ISI marked, ISI marked, drilled holes for bolt, comprising of SS spindle and GI operated handle with necessary rubber gasket joint with nut and bolts including taking down old valve complete all as specified and as directed.

Supply and fix for 100 mm bore diapharm valve, ISI marked, drilled holes for bolt, comprising of SS spindle and GI operated handle with necessary rubber gasket joint with nut and bolts including taking down old valve complete all as specified and as directed.

Supply and fix for 150mm bore cast iron air release valve with flange ends with double chamber, class PN-1.6, ISI marked, complete with all accessories including taking down old non return valve complete all as specified and as directed.

Supply and fix in repairs PP-R gate valves (brass inserted) for 25 mm outer dia of pipes complete all as specified and as directed.

All as per serial item No.43.00 here-in-before but for 32 mm outer dia of pipes.

All as per serial item No.43.00 here-in-before but for 50 mm outer dia of pipes.

All as per serial item No.43.00 here-in-before but for 63 mm outer dia of pipes.

Supply and fix in repairs for gun metal glove or gate valves of 20 mm dia complete all as specified and as directed.

All as per serial item No.47.00 here-in-before but for 25 mm dia.

All as per serial item No.47.00 here-in-before but for 40 mm dia.

All as per serial item No.47.00 here-in-before but for 50 mm dia.

Supply and fix in repairs for GI bend 80 mm bore, medium grade, ISI marked complete all as specified and as directed.

Supply and fix in repairs for, GI socket 80 mm bore, medium grade, ISI marked complete all as specified and as directed.

Supply and fix in repairs for GI Tee 80 mm bore, medium grade, ISI marked complete all as specified and as directed.

Supply and fix in repairs for, GI flange 80 mm bore, medium grade, ISI marked complete all as specified and as directed.

Supply and fix in repairs for GI Tee 100 mm bore, medium grade, ISI marked complete all as specified and as directed.

Supply and fix in repairs for GI flange 100 mm bore, medium grade, ISI marked complete all as specified and as directed.

Supply and fix in repairs for GI Tee 150 mm bore, medium grade, ISI marked complete all as specified and as directed.

Supply and fix in repairs for GI flange 150 mm bore, medium grade, ISI marked complete all as specified and as directed.

Supply and fix in repairs for GI union threaded, medium grade, ISI marked, of size 50 mm complete all as specified and as directed.

All as per serial item No.59.00 here-in-before but for size 40 mm.

All as per serial item No.59.00 here-in-before but for size 32 mm.

All as per serial item No.59.00 here-in-before but for size 25 mm.

All as per serial item No.59.00 here-in-before but for size 20 mm.

Taking down 80 mm bore sluice valves, refacing, regrinding, repacking stuffing box with replacement of spindle with check nut and refixing the same in position complete all as directed.

All as per serial item No.64.00 here-in-before but for 100 mm bore.

All as per serial item No.64.00 here-in-before but for 150 mm bore. (Note for serial item No.64 to 66: Spindle with check nut shall be measured and paid seperately under relevant item)

Supply only 80 mm bore class PN-1.0 stainless steel spindle for cast iron sluice valve complete all as specified.

Supply only 100 mm bore class PN-1.0 stainless steel spindle for cast iron sluice valve complete all as specified.

Supply only 150 mm bore class PN-1.0 stainless steel spindle for cast iron sluice valve complete all as specified.

Supply only 80 mm bore class PN-1.6 brass spindle with GM check nut for cast iron sluice valve complete all as specified.

Supply only 100 mm bore class PN-1.6 brass spindle with GM check nut for cast iron sluice valve complete all as specified.

Supply only 150 mm bore class PN-1.6 brass spindle with GM check nut for cast iron sluice valve complete all as specified.

Supply and fix in repairs for graphite gland packing 6 mm to 20 mm complete all as specified and as directed.

Boring horizontally by means of mechanically or manually in any type of soil of bore size 100 mm to 25 mm complete all specified and as directed.

Supply and fix in repairs for submersible flat 3 core 10 Sqmm copper conductor with PVC insulated and PVC sheathed 1100 volts grade complete all as specified and as directed.

Excavation of any type of soil depth up to 2.00m, 0.50m witdth and length 6.00 to 8.00 metres dewatering from trenches and repairing pipe line by providing new lead joint for 200 mm bore to 80 mm bore CI/ DI pipe line and 200 mm to 50 mm bore GI tubing arrest the leakage by new GI fittings/ accessories etc complete all as specified and as directed.

Taking up or down of 25 mm bore galvanised iron / steel tubing from bore well and replacement of injector of size 25 mm bore and refixing the same in position with all necessary connection complete all as specified and as directed.

Material and labour for construction of brick masonry valve pit chamber of size 120cm x 120cm x 120cm depth (internal dimension) with sub class 'B' brick with one brick thick wall in CM (1:4) on 100 mm thick PCC (1:4:8) type D2 (using 40mm graded stone crushed aggregate) as in foundation, 15mm thick rendering in CM (1:4) internally and externally up to 150 mm below ground level, provision of valve pit cover made out of 3mm thick MS plate welded with 40 x 5mm thick FI frame all round including provision of hinges, handle, locking arrangement, ISA 40 x 40 x 5mm thick frame, fixed on top of valve pit by means of hold fast 150mm long, embedded in PCC (1:2:4) type B1 (Block size 230 x 200 x 100mm) and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to all steel surfaces including preparation of surfaces, necessary earth work in soft/ loose soil and demolition of existing unserviceable valve pit complete all as specified and as directed.

All as per serial item No.78.00 here-in-before but for size 90cm x 90cm x 90cm (internal dimension).

All as per serial item No.78.00 here-in-before but for size 45cm x 45cm x 45cm (internal dimension).

Material and labour for 40mm x 40mm x 6mm MS angle iron frame, 3mm thick MS cover plate with locking arrangement of sizes 900 x 900mm to 1200 x 1200mm and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to all steel surfaces including preparation of surfaces, and taking down existing unserviceable frame cover plate complete all as specified and as directed.

Desilting/ cleaning of sewage storage well of depth 21.00 metres and 9.00 metres dia and taking out sludge in the form of solid manually and getting out and removal to a distance not exc.500 metres and burried the same in low laying area complete all as directed.

Supply only granular calcium hypochlorite with 65% to 70% available chlorine content and with maximum moisture content 10% suitable for disinfection of drinking water, complete all as specified. (Note: Chemical shall be supplied in sealed HDPE containers weghing 45 Kg/ container).

Supply only Alumino Ferric Acid grade 4 (best quality as per sample with additional requirement for purification of water containing lead (as Pb) 30 PPM max and arsenic (As 203) 6 PPM max conforming revised IS-299-2012 complete all as specified.

Supply only aluminium chloride powder (raw water flocculant powder) as specified and as per sample.

Material and labour for, applying two coats of synthetic enamel paint to raising main, distribution, wash out and overflow pipes on overhead tank/ pump motor/ under ground sump with suitable colour coding of pipe dia 100mm/ 150mm by using synthetic enamel paint (1st grade) after scrapping/ cleaning, complete all as specified and as directed.

Supply and fix in repairs for, digital auto level controller 'Model ALC MK-I' including top mounted non-contact type Ultrasonic Liquid transmitter (Probe unit), level indicating controlling box including water level monitoring and control digital level indicator transmitting range upto 6metres or 10metres with operating voltage 220 volts and maximum temperature 60°, complete all as specified and as directed.

MAT ENTERPRISE

Singhs Construction

M/S Kangkans