JJM - WSS TO NEDUMKANDAM, PAMPADUMPARA, UPPUTHARA ELAPPARA (PART) AND ARAKULAM (PART) PANCHAYATHS IN IDUKKI DISTRICT -Supplying and laying of CWPM from WTP to Kalyanathandu top including construction of Sump cum pump house and 11 LL GLSR

100.98.127:Supply of DI K9 Pipe Conforming to IS 8329/2000, 800mm Dia.

100.98.452:Supply of CI Air Valve with Flanges, Conforming to IS 14845 - 2000, Kinetic Air Valve Type DS1, Size 150mm.

100.98.460:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 150mm.

100.98.461:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 200mm.

OD265778/2022-2023: Supplying fixing testing and commissioning of Zero velocity Valve suitable for 800 mm DI pipe -The Zero Velocity Valve consists of a Spring loaded closing disc for stopping reverse flow in case of failure of pumps. It is enclosed in an outer shell. The springs are designed in such a manner that the valve remains full open when 25% of designed velocity is achieved

100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

100.1.5:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50 m, in Ordinary Rock.

100.2.8:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth exceeding 1.5m but not exceeding 3m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in Medium Rock where Blasting is Prohibited.