REPAIR MAINT DI GI PIPELINE INCLUDING VALVES VALVES CHAMBER AND ALLIES WORKS FOR TYPE I MD ACCN AREA AT AF STATION SINGARSI UNDER AGE I AF SINGARSI

Amount

Excavation in trenches in soft/loose soil n.exc 1.5 mtr wide and n.exc 1.5 mtr deep & getting out soil for taking out/laying of pipe line etc.complete all as specified & directed by Engr-in-Charge.

Returning, filling in, including spreading, levelling watering and well ramming in layers not exc 25 cm.complete all as specified & directed by Engr-in-Charge.

Removing excavated mateials n.exc 50 mtr & depositing where directed at a level n.exc 1.5 mtr above the starting point.complete all as specified & directed by Engr-in-Charge.

Taking up/down of GI tubing of size 50mm and connections, from trenches duct, floor, roof etc complete all as specified & directed.

Taking up/down of GI tubing of size 20 mm and connections, from trenches, duct, floor, roof etc complete all as specified & directed.

Taking up CI/DI water main (incl all fitting) of size 100 m with spigot & socket ends and lead joints incl burning out & recovering lead from trenches, duct, etc complete all as specified & directed.

M & L for galvanised medium grade steel water tubing of size 50 mm including fittings like socket /Union/Tee/diminishing pieces, connectors (connectors shall be inserted , where required or directed), bends, elbow, short pieces, back-nuts, caps, plugs, etc and fixing complete with clips, wall hooks, wooden plugs or laying in trenches, etc also cutting, scewing and waste and for making forged bends on piping as requied, cutting through walls, floors, etc and making good disturbed structures,connecting to old or new position , jointing & testing complete all as specified & directed by Engr-in-charge. Make - Jindal/Tata.

S & F in repair gun metal gate valves of size 50mm with iron wheel head, screwed both end for iron pipe following bore of pipes complete all as specified & directed .Make -Laxmi,Ramco.

M & L for galvanised medium grade steel water tubing of size 20 mm including fittings like socket /Union/Tee/diminishing pieces, connectors (connectors shall be inserted , where required or directed), bends, elbow, short pieces, back-nuts, caps, plugs, etc and fixing complete with clips, wall hooks, wooden plugs or laying in trenches, etc also cutting, scewing and waste and for making forged bends on piping as requied, cutting through walls, floors, etc and making good disturbed structures, connecting to old or new position , jointing & testing complete all as specified & directed by Engr-in-charge. Make - Jindal/Tata.

S & F in repairs gun metal gate valves ISI Marked of size 20mm with iron wheel head, screwed both end for iron pipe following bore of pipes complete all as specified & directed Make -Laxmi,Ramco.

M&L for Ductile Iron pipes 100mm, spigot and socket end/both flanged end/flanged & socket end, centrifugally cast (spun), Class K-9, confirming to IS-8329/ 2000 or latest revision, in any length, laid in trenches/PCC base /RCC columuns, with & including EPDM rubber gasket confirming to IS:9523/2000 or latest revision, connecting to old or new position, jointing & testing complete all as specified & directed by Engr-in-Charge.

M&L DI bends & special confirming to IS-9523:2000 (latest revision) (any type radius and angle ) tappers, any type (straight bend, increasing, decreasing or double socket etc). Tee pieces single branch "Y" junction , double branch cross (all socket or socket end spigot ) collar, caps and plugs and connecting pieces one end flanged and other socket or spigot and bell mouth pieces one end flanged other end tapering as bell mouth upto 100mm bore complete all as specified and as directed by Engr-in-Charge.

M&L for joint with rubber or fibre board gasket (incl. bolts, nuts, washers and white lead or mineral oil) of size 100mm dia complete all as specified and as directed by Engr-in-Charge.

M&L for joint with rubber or fibre board gasket (incl. bolts, nuts, washers and white lead or mineral oil) of size 200mm dia complete all as specified and as directed by Engr-in-Charge.

S & F in repair for cast iron sluice valve of 100 mm dia ISI Marked, confIrming to IS14846 both ends flanged with brass spindle, class PN1.6 and necessary new MS nuts, bolts, washer and gasket, including taking out old u/s ones for credit and making good etc complete all as specified and directed by Engr-in-Charge.

S & F in repair for cast iron sluice valve of 200 mm dia ISI Marked, confIrming to IS14846 both ends flanged with brass spindle, class PN1.6 and necessary new MS nuts, bolts, washer and gasket, including taking out old u/s ones for credit and making good etc complete all as specified and directed by Engr-in-Charge.

S & F of PP Tapping Saddle Clamp suitable for 100 mm dia DI pipe, PN 16 bars pressure rating incl. nuts, bolts, gasket, etc for clamping, complete as specified and directed.

S & F for 16 to 20mm dia mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut exc 15cm but n.exc 22.5cm long complete all as specified and directed.

S & F in repair MS frame work for valve pit framework conforming to fe-290(Gde-E-165), cut to shape, drilled, including bending and welding in any shape of size .Complete all as specified and directed.(Exclusive of steel sheeting or other covering,running rails and guide).

M&L for painting on new steel surfaces using two coat of synthetic enamel paint (first quality) over a coat of red oxide primer complete including make good of surface by PCC for proper closing / opening of chamber cover all as specified and directed for valve pit covers

S & F for mild.steel ,plain,black sheet 1.6mm in wall clading ,steel gates and similar work, cut and to size,holes punched, including round headed screws clout nails or rivets and fixed to wood or steel framing with plain 40 mm lap joints with riveted or welded seams, including bending or turning up, mitred angles, etc. as required including painting on new steel surface using two coats of synthetic enamel paint(first quality) over a coat of red oxide primer, complete all as specified and directed.

M/S MBS TRADING CO (BID ID -3336042)

M/S AMARNATH AGARWALLA (BID ID -3335709)

M/S Subhadip Enterprise (BID ID -3337023)

DANATION CONSTRUCTIONS (BID ID -3336996)

M/S KUMAR AVINASH (BID ID -3340027)

M/S SINGH ENTERPRISE (BID ID -3336036)