Construction of sinking of 1 one no. 300 mm x 200 mm dia. Tube well 140 Mtr. deep by D.R. method with UPVC pipe and UPVC Ribbed Strainer at Ghurni Gharamipara, Kumar Sangha Math Ward No 1 under Krishnanagar Municipality

Transportation cost of drilling equipment and accessories rig machine etc, including cost of fuel, Lubricant & loading unloading the materials from store / stack yard / suppliers godown and unloading / stacking the same at site . (Upto 60.0 km distance)

Site preparation , Temporary Latrine, placement & levelling of Rig Machine , Mast hosting and Casing drilling (Upto 6 Mtr.) Placement of casting with all allied works necessary to commence drilling works and wind up of all machineries after completion of Drilling.

Drilling of direct rotary method of drilling using 9 7/8" dia. bit for pilot bore followed by subsequently reaming using 12 1/4” dia. and 17.5” dia. Rock Roller Bits/Drag Bits in consolidated, semi consolidated and soft formation upto required depth including casing boring and casing lowering as required including cost of fuels and lubricants etc. as required for drilling.

Rate For pilot drilling. a) From 6 Mtr to 60 Mtr.

(b)From 60 Mtr to 90 Mtr.

c) From 90 Mtr to 120 Mtr.

d) From 120 Mtr to 150 Mtr

Rate for reaming by 12 1/4 '' dia. bit a) From 6 Mtr to 60 Mtr.

(b)From 60 Mtr to 90 Mtr.

c) From 90 Mtr to 120 Mtr.

d) From 120 Mtr to 150 Mtr

Rate for reaming by 15 '' dia. bit a) From 6 Mtr to 60 Mtr.

(b)From 60 Mtr to 90 Mtr.

c) From 90 Mtr to 120 Mtr.

d) From 120 Mtr to 150 Mtr

Rate for reaming by 17.5'' dia. Bit a) From 6 Mtr to 60 Mtr.

(b)From 60 Mtr to 90 Mtr.

c) From 90 Mtr to 120 Mtr.

d) From 120 Mtr to 150 Mtr

Supply and Delivery of UPVC Pipe (CD) conforming to IS 12818:2010 (CIPET certified). a) 300mm. dia.

b) 200mm. dia.

Supply and Delivery of UPVC Deep Well Screen (RDS) Pipes with Ribs conforming to IS 12818:2010 (CIPET Certified). a) 200mm. dia.

Supply & Delivery of UPVC Reducer a) 300 mm X 200 mm dia. (300 mm X 250 mm-1 no & 250 mm X 200 mm-1 no)

Supply and Delivery of G.I Top Cap a) 300mm. dia.

Supply & Delivery of UPVC End Cap a) 200 mm. dia.

Supply and Delivery of M.S. Housing clamp 300 mm dia.

Supply and Delivery of M.S. Centre guide (Special Type).

Supply 300mm dia E.R.W M.S black pipe of approved make ( Heavy quality ) as per standard specification having wall thickness not less than 8mm

Supply and Delivery of washed gravels size ranging from 1.80 mm. to 4.74 mm. conforming to IS 4097:1967

Supply and delivery of Bentonite powder conforming to IS 6186: 1986

Lowering the tubewell assembly (UPVC Casing pipe, well pipe , Strainer along with UPVC accessories) vertically in a position with proper lowering arrangement by applying necessary jointing compound including labour cost for subsequent gravel packing and machine operation cost etc.

Electro-logging Charge.

Packing the side of the tubewell housing pipe with puddle clay and with good quality of local earth as per direction of EIC.

Development (Min. 8Hrs. continuous) of tubewell by using suitable air compressor (Min. Capacity : 600 CFM & operating pressure 14 Bar) followed by yield testing with BHT pump (Head: 45 to 50 Mtr., Discharge : 1100 to 1000 LPM and 25 BHP engine) all complete including To & Fro transportation cost and cost of fuels, lubricants & Labour etc.

Cost of consumables for drilling Rigs and machineries.

Water sample collection and chemical test including Arsenic test.

For GST add @ 18% over item no 1 to 19

For Cess add @ 1% over item no 1 to 20