Connecting Two 100mm pipeline and construction to 150mm pipeline and construction of Sluice Valve Chambers under Bagbera Housing Colony Water Supply, D. W. and S. Division Adityapur

i) 100mm dia DI K7

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.

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).=3.85M³of 30% =1.16 M³

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)=3.85M³

Supplying labours, tools , tackles, lubricant etc for laying and jointing C.I.S/S Tyton pipes (class L A/DI) trenches supplying rubber gasket (Rubber gaskets confirming to I.S.S.-5382-1969) and making gasket joint s including providing night guard ,barrier and red light to safe guard against accident ,all complete ( Pipe to be supplied departmentally free of cost and laying of pipes is to be done as per (I.S.S.3114-1985) as per design, specification and direction of E./I.Without gasket i)100mm DI-K-7 Pipe

Providing double flange sluice valve ( Size 50 mm to '1200 mm ) confirming for lS - 2906 I 14846 including worn gear arrangements as per test pressure stailess steel spindle , caps, transportation etc. all complete.(Without bypass arrangement PN-1) 1) 100mm Dia SV

2) 150mm Dia Sv

Detail Estimate for construction of full way Sulice Valve Chamber/ Air valve chamber of 75A designation birick masonary chamber 1.5mx1mx1.2m deep internal dimension having 250mm thickness in cement morter 1:6 including 12 mmcement plaster 1:4 with punning with R.C.C. Cover as per direction of Engineer in charge.

Supplying labours, tools , tackles, for fixing sulice valve all comp. as per direction of E/I. i)100mm dia SV