WBPWD/EE/HGLYSS/NIT21/26/2ndCl

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. (e) For depth upto 150 metre for 80 mm dia. tube well wuth top enlargement of 150 mm dia. (i) 80 mm dia. boring etc.

(ii) 150 mm dia. boring etc. top enlargement

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 (Dia) 80 mm

Supplying, fitting and fixing PVC pipes for underground work of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted including cost of all materials ,jointing materials, cutting pipes, making threads ,cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed complete in all respect. (Payment will be made on the centre line measurement of the total pipe line including all specials No separate payment will be made for accessories, specials.) PVC Pipes (Dia) 40 mm

Supply of G. I. pipes of TATA make including necessary sockets. (k) 150 mm dia.(i) Medium quality

(e) 40 mm dia. (ii) Medium quality (For Column Pipe)

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). (v) Nipple (300 mm long) 80 mm

(L) Reducing Socket (mm X mm) 150 X 80

Supplying high density polythene strainer of approved make with adapter conforming to I.S. specifications (iii) 80 mm dia.

Supplying, fitting and fixing G.I. cap at top (ii) 150 mm

Labour for making arrangement for showing verticality test including the cost for hire charges of tools and plants, scafolding, labour etc. all complete.

Supplying, fitting and fixing 300 mm M.S. housing clamp of approved quality.

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 including cost of all materials labour and equipment complete.

Providing 200 mm centre guide. i) With Clamp

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.

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

Supplying, fitting and fixing steel cutter piece upto 450 mm long with sockets. (iii) 75 mm dia.

Supplying, fitting and fixing check valve (vertical) G.M. tested to 21 kg per sq. cm. (v) 40 mm

Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg per sq. cm. (for water lines only). (v) 40 mm dia

Labour for fitting and fixing G.I. pipes for under ground work including cost of jointing materials, cutting pipes,making threads etc. complete in all respect including cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed with two coats of painting to G.I. pipes and specials with bituminous paint. (Payment will be made on the centre line measurement of the total pipeline including specials. Payment of painting to be paid seperately.) (v) 40 mm dia.

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.

Cement concrete (1:3:6 proportion) with graded stone ballast (40 mm. size) excluding shuttering.

Supplying and installation of 3.0HP, 415V 3-Phase bore well vertical submershible pump including control panel and labour charges with all other incidental charges complete.

Supplying, fitting and fixing for 2.5sqmm 3core submershible flat cable