Interconnection of distribution pipe line at road no 7 to bangar chowk bagansahi, Mango under MANGO MUNICIPAL CORPORATION.

Dl Pipe : Providing and Supplying lSl mark Centrifugally cat (Spun) Ductile lron Pipes of 100 mm and above all diameter for water works with socket & spigot ends confirming to lS BA2g I 2000 in the standard working lengths of 4.5, 5.5 & 6 m suitable for classiflcation K-7 & K-9 suitable for push-on-joint (rubber gusket D jointing) wlth cement mortar lining inside the pipes with outside zinc and bittuminous coating i) 200 mm dia DI K7

Pushing of M.S. pipes of following dia for road crossing and railway crossing by pushMthrough method in all types of strata by using hydraulic jack and drilling machine of required diameter of below M.S. casing pipes,lowering, laying , jointing of material, required welding machinery, tripod, shain -pulley block crain, blower, compressor, loading and unloading of machinery into the trench, etc.transportation and dewatering, etc complete,as directed by engineer-in-charge butexcluding the cost of M.S. pipes.

E/W in excavation (As per I.S. 3114/1965 For laying of different type and size of pipe so as to give one Mtr. Avarage cover over the socket of pipe with disposal of excavated earth within initial lead and as per specifaction and direction Engineer -in- Charge. 1x 407 MX0 .50MX1.1 =223.85 M³ of 70%=156.69 M³

E/W in excavation of cut off trenches as per design section all complete as per spection and direction of E/I. Vide item (2).=223.85 M³of 30% =67.15M³

E/W in Backfilling the the trenches after laying different type of pipe all comp. as per building spection and direction of E/I.90% of item no 2)=201.46M³

Supplying labours, tools, tackles, lubricant etc. for laying and lointing C.l.S/S $ton pipes (class l*A) in trenches supplying rubber gasket (Rubber gaskets confirming to l.S.S.- 5382- 1969) and making gasket joints including providing night guard, banier and red light to safe guard against accident, allcomplete (Pipe to be suppllied departmenatlly free of cost and laying of pipes is to be done as per I.S.S.3114-1985) as per deslgn, speclflcaUon and direction of E/I i)200mm DI-K-7 Pipe

Providing, erecting, connecting double flanged short body pattern type manually operated Sluice Valve/Scour valve having body, disc and end cover in graded cast iron to IS 210 Gr. CF 200 generally conforming in BS 5155, Synthetic rubber faced ring secured on disc by retaining ring with stainless steel screw stub shaft of stainless steel riding in teflon bearings excluding C.C.foundation/ structural steel support confirming to IS 13095-1991,(DI Specials if required will be paid seperately) including laying & jointing etc. all complete. Sluice valves - PN -1.6 (i)100mm dia SV

(ii)200mm dia SV

Providing and supplying Air Valves as per IS-14845-2000 and MJP’s standardspecifications double orifice type combined with isolating sluice valve, mounted in horizontal position and operated by wheel gearing, small orifice elastic ball resting on a gun metal orifice nipple, large orifice vulcanite ball seating on moulded seat ring, inlet face and drilled, including insurance, third party inspection charges, loading, unloading,transportation upto departmental store, excluding GST levied by GOI & GOM in all respect etc. complete. (i)200mm dia

Supplying labours, tools , tackles, for fixing sulice valve all comp. as per direction of E/I. (i)200mm dia AV