Conversion of 22 Nos of Domestic wells into protected and sustainable drinking water source-For wells upto 2m Dia Purameri GP in Kozhikode District

PIPE AND FITTINGS Supply and fixing of gutter pipe with 160 mm PVC 6kg/cm2 at the edge of the sloped roof including all clamping/ welding clamps for holding the gutter pipes in the position etc including cost of all specials, end closures, tees and labour charges etc complete.

Supply of PVC Pipe, 6kg/cm2, 75mm Dia.

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.

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.

Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 75 mm nominal outside diameter pipes.

Supplying & fixing first flush valve - 75 mm PVC valve including cost of tee, bend etc

RECHARGE PIT Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.All kinds of soil

Supplying, Conveying and placIing in position (covering the top) of precast concrete cover slab over the precast concrete circular rings already fixed at the site.Provide cover slab of 1m indiameter and two hooks for lifting the slab

Supplying, Conveying and placing in position (one above the other) of precast concrete circular rings of outer diameter 0.9m or nearest available size and height 0.3m inside the pit already excavated and making good the outside and covering the top of the ring with a cover slab