Installation of One number New 7.5 HP Submersible pump motor at Raiganj Sericulture Farm, Soharai, Raiganj, Uttar Dinajpur under PCR Scheme during 2025-26 under Uttar Dinajpur Division, PWD.

Labour for boring through any type of soil for sinking tube well of required dia. with top enlargement by rig boring system (either by reserve circulation or by direct rotary method) including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and lowering of pipes, strainers, blind pipes etc. complete.

For depth upto 250 metre for 100 mm dia. Tube well with top enlargement of 200 mm dia.(upto 50 metre).

First 50 metre

Next 50 metre

Next 50 metre

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)

Supplying, fitting and fixing PVC pipes of approved makeof (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 with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately

For Exposed Work

PVC Pipes

80 mm dia.

Supplying high density polythene strainer of approved make with adapter conforming to I.S. specifications.

100 mm dia.

Supplying, fitting and fixing steel cutter piece upto 450 mm long with sockets.

75 mm dia.

Supplying, fitting and fixing heavy type bell mouth reducing socket.

100 mm X 200 mm

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

Supplying, fitting and fixing plug of approved make conforming to I.S. specifications.

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

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. Note: Initial 6 m. of Annular space between the housing pipe and the bore should not be shrouded with Pea size gravel to avoid contamination with surface water.

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.

Supplying, fitting and fixing C.I. holder bat clamp including cutting holes in wall etc. and mending good all damages in cement concrete with jhama chips (4:2:1) and cement plaster (6:1) to match and curing complete in all respect.

Supply & Delivery 415 Volt. 7.5H.P pump Motor set having no of stage 6, Head 71-29 mtrs. Delivery size-65mm, Discharge (Q)-12-36m3/h (make-KSB, pump Type - BPD 242 /06A., Motor Type-UMAI 150-6/22).

Lowering the same submersible pump motor set after necessary checking testing including plumbing & Electrical connection by scaffolding arrangement with own tools and tackles as per direction of E.I.C

Supply & drawing of 3 x 2.5 sq. mm PVC insulated flat copper cable in 25mm bore GI pipe and lowering with suitable motor set including making necessary connection as per direction of E.I.C(Make - Finolex)

Supply & fixing of 3 phase 415volt, 50Hz DOL pump Motor starter with Ammetre voltmetre &indicating lamp having relay range 4.5 to 7.5A MOG Dol &coil voltage 360volt (200-400W)(Make LT-LK type) on flat iron frame on wall as to GS at no ss 97756

Supply & fixing of GI Tube well cover for 150mm dia tube well having two nos hole( 1no for 50mm dia for GI column pipe and another for flat cable protection pipe 25mm dia)

Joining the submersible flat cable (Copper) with volcanizing tape etc. as per direction of EIC.

Supply & Fixing of 'Header Assembly' fabricated with 100 mm dia GI pipe of length 1mtr approx. welded with both endthe header assembly duly welded with 3 nos GI nipples as outgoing and 1no 50mm dia GI nipples as in comer including provision for fixing of pressure meter. painting with 2(two) coats of approved paint over 1(one) coat of R.O. primer as direction of EIC.

Supply & fixing of 50mm dia GM peats valve (Leader/Zoloto)

Supply & Fixing of 50mm dia GM horizontal non return valve (Leader/Zoloto).

Supply & Fixing of 4"dia pressure guage metre making arrangement for fixing on the header with necessary 15mm dia GM gate valve, nipple,socket etc inclu. Cost of joining material.

Making brick pillar of 10'' x 36'' x 48'' (height) of suitable size for resting the header assembly with necessary plastering and net cementing as per direction of EIC.

Supplying & fixing off 40mm x 6mm sizes flat clamp incl. required sizes nuts, bolts,washers etc for holding 50mm dia column pipe.

Painting the GI pipe only exposed portion by two coats of approved paint of synthetic enamel paint as per GS

Supply & fixing 50mm dia GI flange with necessary nuts & bolts.

Charges for making hole on wall as per direction of EIC and mending good damages to original.

Making brick foundation of size 2ft x 2ft x 2ft( length x bredth x height) around the tube well above ground level complete with 3mm thick neatly finished cement plastering all round as per direction of EIC.

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