Drilling and installation of 66 nos. groundwater monitoring wells and construction of 66 nos. Protection works for DWLR telemetry system to monitor groundwater level and quality under National Hydrology Project (NHP)

Drilling and installation of 66 nos. groundwater monitoring wells

Site clearance at the beginning of drilling works and site finishing after completion of all works.

Drilling of borehole required as per site minimum bore size 300 mm after reaming including water arrangement for drilling, back ashing, collecting of samples from different strata, preparing and submitting strata chart etc. In soil Complete

Drilling of borehole required as per site minimum bore size 250 mm after reaming including water arrangement for drilling, back ashing, collecting of samples from different strata, preparing and submitting strata chart etc. In Boulder and Rock Complete

Supply of 110mm dia UPVC Plain pipe

Supply of 110mm dia UPVC Filter pipe with cap and mesh cloth M.L. T&P etc. all complete.

Supply of 100mm dia MS ERW fincut 5.40 mm thick Plain pipe with socket

Supply of 100 mm dia MS ERW fincut 5.40 mm thick slotted pipe with socket

Supply of 100 mm dia, 5.40 mm thick tubewell cap.

Supply of 100 mm dia M.S.D.I housing clamp complete.

Supply and fixing of 100 mm dia Bail plug with nut & U- bolt as required.

Supply of Pea gravel

Lowering of 110 mm dia Upvc pipe and 100 mm MSERW housing pipe (Plain & Slotted pipe) as required.

Fixing of 100 mm dia, 5.40 mm thick tubewell cap.

Development of tubewell by 250 PSI Air compressor unit to the satisfaction of Engineer in charge to give a sand free discharge & Proper packing of pea gravel.

Supply, Fixing, Installation, Fabrication & Painting of protection box and Sign Board

Construction of Protection box of size 65 cm x 65 cm x 45 cm with 3.15 mm thick Galvanized steel sheet including Fabrication, painting with two more layers of Primer and non-corrosive all weather branded paint including locking system, 7 lever brass lock with three keys, including costs of all materials labour, wastage & additional steel, T&P etc. complete

Construction of 66 nos. of Sign Board of size 100 cm x 100 cm with 3.15 mm thick Galvanized steel sheet including Fabrication, painting with two more layers of Primer and non-corrosive all weather branded paint, of display board including costs of all materials labour, wastage & additional steel, T&P etc. complete

Writing of matter on display board with dark brightening all weather paint as per direction of EIC including costs of all materials, labour, T&P etc. complete

Dowel tubes (Corrugated GI pipes 50 mm dia) for sign board including Fabrication, painting with two more layers of Primer and non-corrosive all weather branded paint of GI pipes, fixing with display board & foundation including costs of all materials labour, wastage & additional steel, T&P etc. complete @50% of cost of GI Pipes

Civil Work for Protection Block & Sign Board

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :"1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form for all heights :Foundations, footings, bases of columns, etc. for mass concrete

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level. 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size).

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. For all kind of soils.

Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m in ordinary rock

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering- all work upto plinth level 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregates 20 mm nominal size)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

SADAN CONSTRUCTION AND SUPPLIERS

Ratnam Energy Pvt Ltd