Construction of 17 no bore-wells for recharging aquifers tails of channels of Tohana W/S Division Tohana

Amount

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 up to 50 m and lift up to 1.5 m, as directed by Engineer-in-charge. (All kinds of soil). (HSR item No. 4.12.1)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering. All work below plinth level and up to Floor IV level 1:3:6( 1 Cement: 3 Coarse sand(zone-II) : 6 graded stone aggregrate 20 mm nominal size) HSR item No. 6.1.4

First class brick work laid in cement sand mortar 1:5 in foundation and plinth HSR item No. 7.21

12 mm cement plaster of mix 1:4 (1 Cement : 4 fine Sand) HSR item No.11.5.3

Boring/drilling bore well of required dia for casing/strainer pipe, by suitable method prescribed in IS: 2800(Part-I) including collecting samples from different strata, preparing and submitting strata chart/bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-Charge upto 90 meter depth below ground level( 300 MM Dia) HSR item No. 33.6.1.1

Supplying, assembling, lowering and fixing in vertical position in bore well Unplasticised PVC medium well screen RMS pipes with ribs, conforming to IS 12818 including hire & labour charges fittings & accessories etc. All complete for all depths as per direction of Engineer-in-charge (200 MM nominal size dia) HSR item No. 33.9.3

Providing and laying of well casting UPVC pipe 400 mm dia (CS & CM) pipe 6 Kg pressure/cm Square ( ISI marked) specification as per IS 12818-2010 @

Providing & fixing 200 m dia UPVC socket 10 Kg ( ISI marked) Specified as per IS 12818-2010@

Jali, Rivet, brass, disco, solvent & Cap specification as per IS 12818-2010 @

Supply and fixing of S.S. Stainless stell V-wire screen 20 mm dia specification as per IS 8110:2019

Development of tube well in accordance with IS:2800 (Part-I) and IS:11189 to establish maximum rate of usable water yield without san content ( beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed measuring yield of well by "V" notch method or any other approved method measuring static level & draw down etc by step draw down method collecting water samples & getting tested in approved laboratory i/c disinfection of tube well, all complete, including hire & labour charges of air compressor, tools & accessories etc. , all as per requirement and direction of Engineer-in-Charge HSR item No. 33.19

Supplying filling spreading & levelling coarse sand of size range 1.5 mm to 2 mm in rechage pit in required thickness over gravel layer for all leads & lifts all complete as per direction of Engineer-in-Charge HSR item No. 33.14

2nd layer charcoal @

Supplying and filling, spreading & levelling gravels of size range 5 mm to 10 mm in the recharge pit over the existing layer of boulders in required thickness for all leads & lifts all complete as per direction of Engineer-in-Charge HSR item No. 33.13

Supplying and filling, spreading & levelling stone boulders of size range 5 cm to 20 cm in recharge pit in the required thickness for all leads & lifts all complete as per direction of Engineer-in-Charge HSR item No. 33.12

To evalute the required sub soil strata and water table in the fields soil conversation report

Accessory to install for providing & laying of well casing UPVC pipe 400 mm dia pressure/Cm Square ( ISI marked) Specification as per IS 12818:2010 (i) Six side cross tee 200 mm dia

Accessory to install for providing & laying of well casing UPVC pipe 400 mm dia pressure/Cm Square ( ISI marked) Specification as per IS 12818:2010 (ii) End-Cap 400 mm dia @

Accessory to install for providing & laying of well casing UPVC pipe 400 mm dia pressure/Cm Square ( ISI marked) Specification as per IS 12818:2010 (iii) Reducer 16"x8" ( 376mm x 200mm)

Baljeet Singh-The tibba dana sher co operative lc society

THE MEOND KALAN COOP L AND C SOCIETY LIMITED MEOND KALAN

THE CHUHARPUR HARIJAN CO OP L AND C SOCIETY LTD

gharwal const. co.