SINKING OF MINI DEEP TUBE WELL (150X100 MM UPVC PIPE, DEPTH 90.00 M) WITH 2 HP SUBMERSSIBLE PUMP AT ST GIRLS HOSTEL ATTACHED TO ANANDABAZAAR H.S. SCHOOL UNDER R.D. KANCHANPUR SUB DIVISION DURING THE YEAR 2025-26 2ND CALL

Drilling and boring pilot hole in any soil strata by manual means, collection of soil samples of different strata met with during drilling at variuse suitable levels, preservation of samples in polythene bags/ sample box and disposal of excess soil or mud, including the cost of water etc, as required to mantain the pilot hole properly as per specification and direction of the Engineer-in charge. 100 MM

Reaming of pilot hole to an enlarged bore hole in any soil strata by manual means, disposal of excess soil or mud, including the cost of water etc, as required to mantain the pilot hole properly as per specification and direction of the Engineer-in charge. i) From 100mm dia pilot hole to 250mm bore hole

Providing and lowering of PVC pipe of UPVC pipe as per IS:12818 after washing of the bore hole by manual means as per specification and direction of the Engineer-in-charge. A) CM Casing pipe (UPVC) 150 MM

Providing and lowering of PVC pipe of UPVC pipe as per IS:12818 after washing of the bore hole by manual means as per specification and direction of the Engineer-in-charge. A) CM Casing pipe (UPVC) 100 MM

Providing and lowering of PVC pipe of UPVC pipe as per IS:12818 after washing of the bore hole by manual means as per specification and direction of the Engineer-in-charge. A) RS pipe

Washing and development of tube well by using hand pump or by any suitable method and testing of the well as per specification and direction of the Engineer in charge.

Providing and shrouding of the deep tube well assembly with washed pea gravels (2.0 - 4.75 mm effective size) as per specification (IS: 4097) and direction of the Engineer in charge.A) With contractor rig i) with pea gravels obtained from Durgapur, West Bengal

Providing and fixing of UPVC end cap/ well cap suitable for UPVC 'CM' casing or 'CS' casing or RS pipe as per specification and direction of the Engineer in charge. i) 100mm dia

Providing and fitting fixing GI pipe (Medium class) conforming to IS 1239 for column pipe assemble for instalation of submersible pump motor as per direction of Engineer in charge. d) 40mm NB

Providing and fitting fixing GI bend/ elbow in the pipe line including testing of joints complete as per direction of Engineer in charge. v) 40mm NB

Providing and fitting fixing of GI flange (10mm wall thickness) by welding with GI/ MS pipe as per placing position as per specification and the direction of Engineer in charge. v) 50mm dia

Providing and fitting fixing of CI non return valve of approved quality as per CPWD pecification and the direction of Engineer in charge. i) 50mm nominal bore

Providing and fitting fixingof 6feet x 4feet x1 inch (thickness)gamai wood/ plywood/ plypanel board for fitting fixing of electric items in/c 2no's MS angle post (size 2 inch x 2inch x 9feet) nut & bolts for irrection of the same by 1:1.5:3 cement concrete casting (1 feet x 1feet x 2feet) below the ground level and painting two or more coats & plastic paint as per specification and the direction of Engineer in charge

Installation of submerssible pump and suitable motor upto requirede depth with GI column pipe in/c providing fitting fixing by necessaqry rubber washer , nuts & bolts, Ms safety clamp etc. As per required size and making necessary electrical connection with main switch/starter with motor in/c commissioning & trial run as per direction of the Engineerin charge (pump, motor with cable, GI Pipe will be issued by the Department at free of cost and fabrication of GI column pipe will be paid separately) i. 2500 GPH capacity

Providing 2 HP submerssiblepump as per direction of Engineer in charge

Providing and fixing of UPVC reducer suitable for UPVC 'CM' casing or 'CS' casing or RS pipe as per specification and direction of the Engineer in charge. SOR-2015

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