NIT No- 1329/PHE(C)/BMC , Dated- 03/02/2026

Labour for boring tube well of required dia. by water jet system through any type of soil strata including hire and labour charges for boring pipes, scaffolding, tools and plants as necessary and taking out them and lowering pipes, strainers, blind pipe etc. and fitting and fixing the same complete including bucket washing and other incidental works in the connection. The tube well should have a minimum 50 mm gap in between the outside of the tubewell pipe and the bore.For depth upto 150 metre for 40 mm dia. tube well with top enlargement of 100 mm dia. (i) 100 mm dia. boring etc. top enlargement

For depth upto 150 metre for 40 mm dia. Tube well with top enlargement of 80 mm dia. (i) 40 mm dia. boring etc.

Geophysical investigation of the acquifer by electrologging system with all tools and plants as necessary including supply of necessary report.

Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). (A) PVC Pipes (i) 100 mm

(L) Reducing Socket (mm X mm) 100 X 40

Supplying high density polythene strainer of approved make with adapter conforming to I.S. specifications. (i) 40 mm dia.

Supplying, fitting and fixing steel cutter piece upto 450 mm long with sockets. (i) 40 mm dia.

Supplying, fitting and fixing plug of approved make conforming to I.S. specifications. (i) 40 mm

Supply of galvanised iron socket with I.S.I. mark. (i) 100 mm dia.

(O) Solvent Cement 250 Gm.

Supply itting and fixing India mark (ii) pump (with complete set) per PHE departmental rate

(v) Nipple (300 mm long) 100 mm

Packing the annular space between the outside of the tube well pipes & strainers and the bore with pea size washed gravel of approved quality having size from 2 mm to 5 mm or the size approved by the Engineer-incharge

Packing annular space between the outside of the housing pipe and the bore with puddled clay balls of approved size as per direction of the Engineer-in-charge with cost of all materials and labour complete.

Collecting sample of water for bacteriological and chemical test from any depth at any time during execution of work including hire and labour charges for tools and plants and sterilising the equipments, paying all charges and fees, testing etc. complete in all respect as per direction.

Soak pit with R.C.C. Cover as per direction of E.I.C.

Construction of massonary platform 1200 mm x 120 mm including125 mm thick & 75 mm height brick work with cement morter( 1:4) sorroun ding the platform, 35 mm thick ASF over 100 mm thick cement concrtete jhama khoa ( 1:3:6) over single brick flat soling including box cutting upto 150 mm thick ,all complete as per direction of Engineer-in Charge.

Washing and developing tube well with air compressor pump and engine for 8 (eight) hours continuous pumping per day with necessary arrangements for testing the yield in gallons per hour with 'V' notch including hire and labour charges for all tools and plants and scaffolding as required.