REPAIR/MAINT OF EXTERNAL WATER SUPPLY CI / GI / PPR PIPE LINES VALVES ETC AT ARC GTC 11 WEU SE FALL 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.

(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

Re fixing/Re laying of old servicalbe GI pipe as obtained from taking out items No-05 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 and fixing in in replacement 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. Make-Bansal, Jindal, Hindustan.

(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 in repalcment 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. Make-KPT

(a) 75 mm bore pipe

(b) 50 mm bore pipe

(c) 40 mm bore pipe

(d) 25 mm bore pipe

Supply and fix in replacement 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.Make Upadhya/Zoloto/Kirloskar.

(a) 80 mm bore

(b) 100 mm bore

(c) 150 mm bore

(d) 200 mm bore

(e) 250 mm bore

(f) 350 mm bore

S& F in replacement CI non return valve, 150 mm bore dia with by pass 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 including taking down old unserviceable non return valve complete all as specified and directed by Engr-in-Charge. Make:- Zoloto / Kirlosker / Upadhaya.

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) 100 mm bore pipe

(c) 80 mm bore pipe

(d) 200 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. Make- Zoloto/

(a) 50 mm bore dia of pipe

(b) 40 mm bore dia of pipe

(c) 25 mm bore dia of pipe

(d) 20 mm bore dia 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 by Engr-in-Charge.

(a) 100 mm bore pipe

(b) 150 mm bore pipe

(c) 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) 100 mm bore pipe

(b) 150 mm bore pipe

(c) 80 mm bore pipe

M&L in replacement 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

(a) 100 mm bore pipe

(b) 150 mm bore pipe

(c) 80 mm bore pipe

M & L for Run lead joint suitable for spigot and socket pipes including spun yarn complete all as specified and as directed.

(a) 350 mm bore pipe

(b ) 250 mm bore pipe

(c) 200 mm bore pipe

(d) 150 mm bore pipe

(e) 100 mm bore pipe

(f) 80 mm bore pipe Note-(i) Item no 13 to 16 road cutting permission from PWD and various other permission from civil departments to work in civil area to be obtained by the contractor. (ii) for item no 13 to 16 work to be completed on emergency basis and in one go as the work site lies in civil area, if any delay in repair work @1000 Rs per day panelty charges will be diducted.

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 in replacement 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. Make- KPT.

(a) 50 mm bore pipe

(b) 25 mm bore pipe

(c) 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) 0.9 mtr x 0.9 mtr x 0.9 mtr

(b) 0.6 mtr x0.6 mtr x0.9 mtr

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, pit covers, pumps, with two coats of black synthetic enamel paint after preparation complete as derected 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.

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

M & L for cast iron fittings such as bends ( any type radious and angle, tapers, straight, bend,increasing, decreasing or double socket etc) Tee pieces single branch, Y junction, double branch, cross ( all socket or socket and spigot) aollars, caps and plug flanged ends, suitable up to 150 mm bore and including taking out ols u/s CI fittings etc complete all as specified and as directed.

M & L for cast iron fittings such as bends ( any type radious and angle, tapers, straight, bend,increasing, decreasing or double socket etc) Tee pieces single branch, Y junction, double branch, cross ( all socket or socket and spigot) aollars, caps and plug flanged ends, suitable for 200 mm to 300 mm bore and including taking out ols u/s CI fittings etc complete all as specified and as directed.

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 28 here in above but of size 150 mm dia sluice valve

All as per item No 28 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 31 here in above but of size 150 mm dia sluice valve

All as per item No 32 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 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

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

Supply only Hi strenth granular chlorination chemical based with CIAS to be ratified by E-in C's branch,dry free flowing constant white granulesand without hard lumps or impurities should not induce substances beyound acceptable limit as give in IS 10500: 2012 intreated and disinfactant water, cholorine content by mass packed in 45 Kgs PVC sealed container, 5-10% moisture content up to 4% calicium Hydrooside upto 15% sodium chloride suitable for treatment of drinking water and swimming pool all as specified and as directed.

M/S MANOJ KUMAR BAL

M/S U.K ENTERPRISE

M/S Surendra Prasad and Associates