REPAIR/ REPLACEMENT TO UNSERVICABLE/ CORRODED INCOMING WATER SUPPLY PIPE LINE FROM BHAGSUNAG CATCHMENT AREA TO COLLECTION CHAMBER DHARAMSALA AT MIL STN DHARAMSALA.

Amount

Excavation in trenches n exc 1.5 metre wide & n exc 1.5 metre in depth for foundation etc or for shafts, wells, cesspits manholes, pier holes etc n. exc 10 Sqm on plan n exc 1.5 metre in depth and getting out in hard/ dense soil, complete all as specified.

Returning filling in including spreading leveling, watering and well ramming in layers n. exc 25cm, all as specified.

Removal of excavated material to be distance n.exc 50 metres and depositing where directed at a level n.exc 1.5 metres high from the starting point, all as specified.

Plain cement concrete M-10 nominal mix, type C-1 using 20 mm graded mechanically crushed stone aggregate as foundation filling and mass concrete all as specified.

Plain cement concrete M-10 nominal mix, type C-2 using 40 mm graded mechanically crushed stone aggregate as foundation and suporting of pipes etc complete all as specified.

Brick work with old size fly ash bricks, class 7.5, straight or curved on plan exc. 6 metre mean radius built in cement mortar 1:6 (01 cement : 06 coarse sand) all as specified & directed.

Rendering cement plaster 10 mm thick in cement mortar 1:4 (1 cement : 4 coarse sand), on fair faces of brick wall or on concrete surfaces, trowelled to even and smooth finish without using extra cement complete all as specified.

Taking up or down CI/ GI pipe 150 mm dia and connections, including cleaning for refixing or removal to store complete all as specified and directed.

Mild steel galvanised iron tubings (ISI Marked) 150 mm dia medium grade with all fittings & fixtures complete, laid in trenches and testing on completion all as specified and directed.

Mild steel galvanised iron tubings (ISI Marked) 150 mm dia medium grade with all fittings & fixtures complete, fixed to walls and ceiling or laid in floors and testing on completion all as specified and directed.

Renewal of Non return valve of size 150 mm dia confirming to ISI Marked both ends flanged with jointing materials such as nuts, bolts washers and 02 Nos rubber gasket 3 mm including taking out old existing valve, completion all as specified and directed.

Renewal of cast iron fittings, ISI marked such as bends (any type, radius and angle), tapers any type (straight or bend), increasing, decrea or double sockets etc), Tee pieces, single branch, double branch, cross (all sockets, socket and spigot), collars, caps and plugs, tail pieces having size upto 150 mm dia conforming to IS-1538-1993 complete all as specified.

Mild steel flange, heavy duty having wall thickness 12 mm suitable for 150 mm dia GI pipe including necessary rubber gasket, nuts and bolts etc, welding exceeding 9 mm but not exceeding 20 mm and securing properly with pipe all as specified and directed.

3.15 mm thick mild steel sheet cover with mild steel handle of appropriate size with locking arrangement with 65 mm brass pad lock with 02 No's of keys, 150 mm long 02 No's hinges on and including angle iron frame of size 50 X 50 X 5mm, mild steel sheet cover provided with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified.

Replacement of 2 mm thick 100 mm dia PVC green hose to conforming to relavent IS or approved with including pipe joints, clamps, nuts, bolts and washers complete all as specified and directed by Engr-in-Charge.

Carrying out repairs to chlorine dosing motor suitable for 3 phase 0.37 KW 50 HZ make crompton greaves including dismantling carefully, removing burntout winding wire and rewinding with suitable size of new copper winding wire of the same gauge, varnishing, heating, becking, removing remetalling, welding, grinding and re-threading complete all as specified and directed.

Dismantling chlorine dosing pump, removing shaft and grinding, plishing and replacing unservicable parts like 02 Nos gunmetal bushes and refixing the shaft and reassembling complete including testing on reassembling all as specified and directed.

Cleaning away all grass, vagetation bushes, wood under growth roots of trees and removing of rubbish, 60 cms on both sides of pipe from water supply collection poit to pump house all as specified.

Cast iron Sluice valve for water supply purpose with C.I. drilled flanged ends (both ends) (integrally cast), stem of SS (AISI410) and bronze (gun metal), class PN-1 conforming to IS-14846, ISI marked with stainless steel spindle and iron wheel including jointing material complete such as rubber insertion packing rings with adequate size and requisite numbers nut, bolt and washer complete of the of size 200 mm bore, all as specified.

Cast iron Sluice valve for water supply purpose with C.I. drilled flanged ends (both ends) (integrally cast), stem of SS (AISI410) and bronze (gun metal), class PN-1 conforming to IS-14846, ISI marked with stainless steel spindle and iron wheel including jointing material complete such as rubber insertion packing rings with adequate size and requisite numbers nut, bolt and washer complete of the of size 150 mm bore, all as specified.

80 mm bore cast iron air release valve (H type) conforming to IS-14845 with double air outlet valve having flanged ends with SS spindle suitable to mount on GI mains, flanged joints including 10 mm dia nuts, bolts, washers and 3 mm thick rubber gasket all as specified and directed.

Run lead joint for pipes of 150 mm dia including lead and spun yarn all as specified and directed.

Cutting of roads for laying of pipe of any type and size and making good road by providing soling with broken boulders or quarried stone and applying cold emulsion mixed with aggregate as per manufacturer’s instructions including necessary compaction by rolling etc. to match complete all as specified and directed.

M/S NILIMA ENTERPRISES