REPAIR/MAINT OF EXTERNAL WATER SUPPLY CI/GI/PPR PIPE LINES VALVES ETC AT ARC GTC AND 11 WEU AND REPAIR/MAINT OF EXTERNAL WATER SUPPLY PIPE LINES REPAIR TO PUMP SETS ETC AT SE FALLS AREA UNDER GE SHILLONG

Amount

Excavation in trenches for laying of GI water tubing etc getting out in soft/loose soil not exceeding 1.5 m wide and not exceeding 1.5m deep complete all as directed by Engr in Charge.

M&L cutting of existing road/hard standing/ footpath surfaces for laying of GI water tubing complete all as specified and as directed

Returning, filling in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25 Cm thick as in soft/loose/hard/dense soil complete all as directed by Engr in Charge.

Removing excavated materials to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as directed by Engr in Charge.

Taking up or down old serviceable/unserviceable pipe the following size with any connection including cleaning for re fixing or removal from the side complete all as directed by Engr in Charge. (Note excavation and earthwork shall be measured and paid separately).

100 mm bore pipe

80 mm bore pipe

50 mm bore pipe

40 mm bore pipe

25 mm bore pipe

20 mm bore pipe

Re fixing /Re laying of old servicalbe GI pipe astained from taking out against items No 04 Note :- Including provision of new GI fitting complete all as directed by Engr in Charge. Note - excavation will be measured and paid seperately under relevant item

(a) 100 mm bore pipe

(b) 80 mm bore pipe

(c) 50 mm bore pipe

(d) 40 mm bore pipe

(e) 25 mm bore pipe

(f) 20 mm bore pipe

Supply , laying and connection in trenches GI tubing , medium grade, including fittings such as tee, bend, nipple, socket, reducer, flange, union etc complete all as directed by Engr in Charge of following size of pipe:- Note - excavation will be measured and paid seperately under relevant item

(a) 100 mm bore pipe

(b) 80 mm bore pipe

(c) 50 mm bore pipe

(d) 40 mm bore pipe

(e) 25 mm bore pipe

(f) 20 mm bore pipe

S&F 3- layer PP-R (Polypropylene random copolymer) pipes SDR 7.4 & SDR 11 UV stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply incl all PP-R plain & brass threaded polypropylene random fittings such as male/female threaded socket, male/female threaded tee, reducers, union, socket, end cap, plug, etc laid in trenches/wall/floor incl connection from water main GI/PPR pipe incl taking down old unsv pipe of following sizes :-Note - excavation will be measured and paid seperately under relevant item

(a) 75 mm bore pipe

(b) 63 mm bore pipe

(c) 50 mm bore pipe

(d) 40 mm bore pipe

(e) 32 mm bore pipe

(f) 25 mm bore pipe

Supply and fix CI Sluice valve with flanged ends as per IS-14846 PN-1.6 including stainless steel spindle and wheel , ISI marked with nut bolts and jointing material i.e. rubber gasket complete including taking down old unserviceable sluice valve complete all as specified and directed by Engr-in-charge of following sizes.

(a) 200 mm bore

(b) 250 mm bore

(c) 300 mm bore

(d) 150 mm bore

(e) 100 mm bore

(f) 80 mm bore

M&L for flange joint with new flange (set of two flange) and rubber gasket, nuts, bolts, washer of required size and white lead complete all as directed by Engr-in-Charge for the following bore of pipe:- Note : Excavation if any will measured and paid separately under appropriate items of this schedule.

(a) 150 mm bore pipe

(b) 200 mm bore pipe

(c) 100 mm bore pipe

(d) 80 mm bore pipe

S&F Gun metal gate valve class I (ISI) marked with iron wheel head, screwed both ends for iron pipe, suitable for following bore of pipe including taking down old existing unserviceable gate valve complete all as specified and directed by Engr-in-Charge

(a) 50 mm bore din of pipe

(b) 40 mm bore din of pipe

(c) 25 mm bore din of pipe

(d) 20 mm bore din of pipe

Taking up cast iron water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed.

(a) 200 mm bore pipe

(b) 150 mm bore pipe

(c) 100 mm bore pipe

(d) 80 mm bore pipe

Laying only and connection in trenches CI pipes (including all fittings), with spigot and socket ends , medium grade,class B including fittings such as tee, bend, nipple, socket, reducer, flange, union etc complete all as directed by Engr in Charge of following size of pipe:- Note - excavation will be measured and paid seperately under relevant item

(a) 200 mm bore pipe

(b) 150 mm bore pipe

(c) 100 mm bore pipe

(d) 80 mm bore pipe

M&L CI pipes with spigot and socket ends centrifugal cast, B class including fittings laid in trenches or floor complete all as directed by Engr in Charge of following size of pipe:- Note - excavation will be measured and paid seperately under relevant item

(a) 150 mm bore pipe

(b) 200 mm bore pipe

(c) 100 mm bore pipe

(d) 80 mm bore pipe

M & L for Run lead joint suitable for spigot and socket pipes including spun yarn complete all as specified and directed by Engr-in--charge for following bore of pipe including burning of old lead joint:-Note - excavation will be measured and paid seperately under relevant item

(a) 350 mm bore pipe

(b) 250 mm bore pipe

(c) 150 mm bore pipe

(d) 200 mm bore pipe

(e) 100 mm bore pipe

(f) 80 mm bore pipe

(g) 200 mm bore pipe Note:-(i) For item 12 to 15, Road cutting permission from PWD and various other permissions from civil departments to work in civil area to be obtained by the contractor. (ii) For item 12 to 15 Work to be completed on emergency basis and in one go as the worksite lies in civil area, if any delay in repair @1000 Rs penalty charge will be deducted.

M& L cast iron fitting 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 upto 150 mm bore including taking out old unserviceble CI fitting.

S&F PP-R Gate valves (brass insert) as per requirement of the site suitable for following bore of pipe including taking down old existing unserviceable gate valve complete all as specified and directed by Engr-in-Charge.

(a) 63 mm bore pipe

(b) 50 mm bore pipe

(c) 32 mm bore pipe

(d) 25 mm bore pipe

(e) 20 mm bore pipe

M&L for construction of block masonry valve pit complete with PCC1:3:6 type C1 solid block walling 20 cm thick set in cement mortar 1:4 over 100mm thick PCC 1:4:8 type D2 foundation 50 mm thick PCC 1:2:4 type B1 coping on the top of wall rendering 15 mm thick cement mortar 1:4 on inside and exposed external surface MS sheet cover angle iron frame and locking arrangement etc as mentioned in particular specification including dismantling old existing damaged valve pit and as directed by Engr-in-Charge.

(a) 0.9mtrx0.9mtrx0.9mtr

(b) 0.6mtrx0.6mtrx0.9mtr

M & L for fabrication and necessary lath work for making check nut made out of mild steel iron suitable for 80/100 mm dia CI sluice valve etc including dismantling ols u/s one etc complete all as specified and as directed.

All as per item No 19 here in above but of size 150 mm dia sluice valve

All as per item No 19 here in above but of size 250/350 mm dia sluice valve

M & L for fabrication and necessary lath work for making Spindle made out of mild steel iron suitable for 80/100 mm dia CI sluice valve etc including dismantling ols u/s one etc complete all as specified and as directed.

All as per item No 22 here in above but of size 150 mm dia sluice valve

All as per item No 22 here in above but of size 250/350 mm dia sluice valve

M & L for cutting of existing road / hard standing / foot path surfaces for laying water tubing and making good to disturbed surface with plain cement type B1 (1:2:4) using 20 mm graded crushed stone aggregate as in coping / benching, slightly rounded or chamfered angles and throating, etc including necessary formwork complete all as specified and as directed

M & L for PCC type D2 (1:4:8) using 40 mm graded crushed stone aggregate etc as in foundation, filling and mass concrete etc necessary formwork complete all as specified and as directed

M & L for rendering 15 mm thick cement plaster in neat cement sand mortar 1:4 on fair faces of brick work or on concrete surfaces, finished fair and even without using extra cement etc complete all as specified and as directed

S & F in replacement ball valves high presser of PTMT with epoxy coted aluminium rod & high density plastic ball screwed for iron pipe15 mm complete all as specified and as directed. Make-Prayag/

S & F in replacement ball valves high presser of PTMT with epoxy coted aluminium rod & high density plastic ball screwed for iron pipe 20 mm complete all as specified and as directed

S & F in replacement PVC rotational moulded polyethylene water tank ( cylendrical vertical with closed top) hoisted and fixed in position 500 ltr complete all as specified and as directed. Make-Sintex/

S & F in replacement PVC water tank lid 500/1000 ltr cap complete all as specified and as directed

Taking up or down the defective Induction motor of any make 415 volt 3 phase 05 HP by dismantling the electrical connections, removing the motor by decoupling with pump, transporting to workshop, dismantling it completely, removing the burnt out winding, rewinding the same with super enameled copper wire of existing gauge replacement of unserviceable part including bearing and with necessary insulating material, varnishing, backing and re assembling the serviceable motor completely with all connections complete all as specified and as directed by Engr-in-charge. Note : (i) Burnt out removed winding wire shall be property of contractor and shall be paid under schedule of credit.

Taking up or down the defective Induction motor of any make 415 volt 3 phase 7.5 HP by dismantling the electrical connections, removing the motor by decoupling with pump, transporting to workshop, dismantling it completely, removing the burnt out winding, rewinding the same with super enameled copper wire of existing gauge replacement of unserviceable part including bearing and with necessary insulating material, varnishing, backing and re assembling the serviceable motor completely with all connections complete all as specified and as directed by Engr-in-charge. Note : (i) Burnt out removed winding wire shall be property of contractor and shall be paid under schedule of credit.

Suplying, fabricating & fixing structural mild steel channel, angle, iron, flat iron, sheets and brackets etc for fabrications of valve chamber cover, chasis for pump, PS tank plates, PS tank covers, clamps and back plates including nuts, bolts and washers, welding banding cold or hot drilling holes for insulators bolts in any shape or size as indicated or directed and inclusive of one red oxide primer coat ,one under coat and one finishing coat of aluminium paint complete.

M & L for painting to external surfaces of CI/GI pipes, valves, pite covers, pumps, with two coats of synthetic enamel paint after preparation complete all as specified and as directed by engr in charge

M& l for PCC 1:3:6 type C2 (40 mm grade stone grade aggregate) for making good disturbed surface of channels/pavements/foot paths/roads/foundation etc complete all as directed and specified

Lifting and lowering of column pipe carefully from the borewell including disconnecting all electric and water connections and dismantling of the each length carefully to bring out the submersible motor pump from the bore well by chain pully block etc. (manually) complete all as specified and as directed by Engr-n-Charge.

Taking down the defective submersible motor of any make 415 volt 3 phase 10 HP by dismantling the electrical connections, removing the motor by decoupling with pump, transporting to workshop, dismantling it completely, removing the burnt out winding, rewinding the same with super enameled copper wire of existing gauge replacement of unserviceable part incl bearing and with necessary insulating material, varnishing, backing and re assembling the motor completely with all connections as directed by Engr-in-charge Note : (i) Burnt out removed winding wire shall be property of contractor and shall be paid under schedule of credit. (ii) Work shall be carried out by authorised agent of manufacturer of motor and written approval of the same shall be obtained from Accepting Officers before execution of the work.

S&F in repair CI non return valve, 80 mm bore dia with bypass arrangement working pressure 10 kg/Cm2 confirming to IS 5312 including jointing by means of rubber gasket 3 mm thick MS nuts bolts & washers etc complete all as specified and as directed by Engr-in-Charge. Make:- Zoloto / Kirloskar / Upadhaya.

S&F in repair PVC insulated and PVC sheathed industrial multistranded submersible cables copper conductor 1100 Volts grade,3 core 10 Sqmm cable complete all as specified and directed.

Pump repair complete including replacement of bush, bearing, impeller of capacity 10 HP complete all as specified and as directed.

S&F Stay wire rope steel, 10 Sq mm including taking down old unserviceable complete all as directed by Engineer-in-Charge.

S&F Supporting clamps made out of flat iron 6mm thick and 65mm width suitable for up to 50mm bore pipe including taking down old unserviceable complete all as directed by Engineer-in-Charge

S&F Bore Cover suitable dia of pipe including taking down old unserviceable complete all as directed by Engineer-in-Charge.

S&F GI tubing 65mm dia medium grade including taking down old unserviceable complete all as directed by Engineer-in-Charge.

S&F Adaptor including taking down old unserviceable complete all as directed by Engineer-in-Charge.

Supply and fix in repair star delta starter 7.5 HP complete inclusive all incoming and out going electric connection and testing complete all as specified and as directed by Engr-in-charge

Taking up or down the defective Induction motor of any make 415 volt 3 phase 7.5 HP by dismantling the electrical connections, removing the motor by decoupling with pump, transporting to workshop, dismantling it completely, removing the burnt out winding, rewinding the same with super enameled copper wire of existing gauge replacement of unserviceable part including bearing and with necessary insulating material, varnishing, backing and re assembling the serviceable motor completely with all connections complete all as specified and as directed by Engr-in-charge. Note : (i) Burnt out removed winding wire shall be property of contractor and shall be paid under schedule of credit.

S&F in repair CI non return valve, 150 mm bore dia with bypass arrangement working pressure 10 kg/Cm2 confirming to IS 5312 including jointing by means of rubber gasket 3 mm thick MS nuts bolts & washers etc complete all as specified and as directed by Engr-in-Charge. Make:- Zoloto / Kirloskar / Upadhaya.

M & L for cast iron pieces suitable up to 150 mm bore and connecting pieces one end flagned aned other socket of spigot and bell mouth pieces one end flagned other end tapering as bell mouth including taking out old u/s CI fittings etc complete etc all as specified and as directed.

M& L cast iron fitting 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 upto 200 mm to 300 mm bore including taking out old unserviceble CI fitting.

S&F in replacement CI foot valve conforming to IS -4038 of pipe size 150 mm dia including taking out old UNSV foot valve from the sump complete all as specifed and as directed Make Upadhaya/ Zoloto / Kirloskar

S&F in replacement CI foot valve conforming to IS -4038 of pipe size 100 mm dia including taking out old UNSV foot valve from the sump complete all as specifed and as directed Make Upadhaya/ Zoloto / Kirloskar

M/S U.K ENTERPRISE

Ms Amrik Singh Bahra

M/s Sohini Construction

M/S. Ranjit Kumar

M/s Jaiswal and Co

M/S MANOJ KUMAR BAL

M/S SAMAL CONSTRUCTION

M/S UTTAM SAHA

M/S P&R CONSTRUCTIONS