Provision of 1 Nos. Tube well bore 280 mm dia (Reverse Rotary) in Canteen park Sec-16 Ward No.31 Faridabad.

Amount

Drilling of 685.8mm dia by Hydraulic rotary drilling (Reverse circulation method generally according to ISI specification no. 288-1991 (Part-1) as amended up to date) but modified to the extent of the specifications attended with the schedule of rates item of work in all kind of soils, boulders up to 125mm dia except rocky strata including cost of all consumable stores. Fuels, oils, soil, establishing material and transportation of rig and other accessories to the site of proposed bore and back complete in all respect, to the Engineer-in-charge.

Supplying and lowering 280mm UPVC blue casing pipe, wall thickness of 14.0mm as per ISI 2818-1992 (Type-CM suitable for wells above 80.0 Mtr & up to 250.0 mtr depth) of make prince. Finolex/ Tirupati/Supreme as amendments up to dated ISI marked in 3 Mtr length with outside dia of socket 298mm with threads in accordance with basic profile for metric trapezoidal threads, sealing rings to be used with the trapezoidal threads shall be of natural rubber confirming to IS:5382-1985 having hardness 65+5 Sh. Into bore hole. In vertical position towering pole satisfaction of the Engineer-in-charge of the works make.

Supplying and lowering 280mm UPVC blue screen pipes, slot width 1.5m to 2mm having 6 slots around circumference of pipes mtrs lowering

Supplying and fixing of well threaded M.S. cap for 298mm outer dia of blue casing pipe ISI 12818-92 ( as amended up to date) to the satisfaction of Engineer-in-charge.

Proving and fixing in position suitable bail plug with hook of 298 mm as per IS: 226-1975 (with up to date amendments) including the cost of M.S screwed socked etc. complete in all respects to the entire satisfaction of the Engineer-in-charge of the work.

Supplying and packing graded gravel of size should be 1.5mm to 2.0mm or as per IS: 4097-1988 (with up to date amendment) and specification attached with this schedule of item of works. The gravel should be free from dust or vegetable matters packing to be done from the housing pipe to the bottom of liner all around in the bore and will be placed after linter and housing pipe have been lowered and suitably clamped. Thickness and size of the gravel packing will be done after proper screening, washing & drying, as directed by the Engineer-in-charge strictly as per relevant ISI.

298mm M.S clamp as per IS 226-1975 as amended up to date for serving the housing pipe supported on two girders not less than 100 x 150 mm and two meters long each embedded in suitable foundation as approved by the Engineer-in-charge.

Development of tube well according to clause 9.3 of ISI 2800-1991 as amended up to date specification attached or as directed by the Engineer-in-charge of including the cost of all consumable stores, fuel, oil, compressors, pumps, other tool and plant and machinery etc. as required for this work. (a) When development is done by compressor 600 CFM/250 PSI GPM/350 as per suitable rating 40 hours.

Supplying as per IS 225-1976 with up to date amendment deodar wooden box made of 20mm thick 60cm x 30cm x 15cm with lid and locking arrangement and small portion inside for preserving the strata sample received from the bore as directed by the Engineer-in-charge.

Resistivity testing charges for checking of water/strata etc.

Digging of pit use for collecting water for boring

Supply of 7.5 FTP 10 stage Submersible Motor pump, CRI make with all charges loading/unloading transportation complet in all respect

Lowering of Submersible motor pump complete in all respect

Labour charges for making tee connection with existing line complete in all respect

Material required for Mechanical Works , detail given below (A) 2” Pump Nipple new making with flange

2” MS Clamp HD

Panel box Hut (MS)

7.5 HP control panel CS make complete in all respect

4” tee C.I (4”x4”x4”)

4” duck foot bend

4” CI bend

4” vertical pipe with flange

4” horizontal pipe with flange

Rubber sheet

4” dia PVC pipe

Expenditure for water supply connection from D.H.B.V.N Say connection load 7.5 HP (6 KW)

M/s Bhagwati Services

vinay engineering co.