WBPHED/04_08/EE/BOLMD/2024-25

Amount

Labour charges for boring through any type of soil for sinking of tube well of required dia with top enlargement by rig boring system (either by reverse circulation or by direct rotary method) including hire charges for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and following of pipes, strainers, blind pipes etc. complete as per Direction of EIC (Average Depth of T/W is 102Mts)

For 100 mm dia pipe lowering for next 102 Mtr.

Labour charges for praparation of sites, cutting of bushes , making approach road for placement of rig units, digging of mud pits, various etc. and proper refilling of the same after complition of whole work as per Direction of EI ( within 4 km from approach road

Mobilization of all machineries, equipments and accessories on urjent basis to the work site as per direction of EIC.

Supply and delivery of Upvc pipe(CD) Conforming to IS 12818:2010

100 mm dia

100 mm dia UPVC Slotted strainer having minimum 0.5mm slot over UPVC PIPE( SCHEDULE- 80, conforming to ASTMD- 1785) .

Supply and delivery of 100 mm dia CI steel cutter with plug upto 450 mm long with socket and thread suitable to fit with UPVC pipe.

Supply and delivery of 100 mm dia G.I. Cap at top.

Supply and delivery of 100 mm dia GI pipes (Medium) with necessary sockets (approved make each .5 mtr length)

Supply and delivery of 100 mm dia MS clamp by MS flat with extended arm ( Arm length mimimum 200mm / as per side condition) with 4 Nos. nut bolt arrangement as per direction. The rate inclusive of proper fitting fixing of clamps.

Supply and delivery of Bentonite Powder( approved make) 3 bag

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

Gravels and sand packing of T/W

Collection of water samples for physical, chemical and bacteriological test in stabilized bottles maintaning proper procedures & carrying to designated PHE laboratories & report collection and submission of reports in triplicate as per Direction of EIC. [ The rate are exclusive of cost of testing]

Supply and delivery at site 1 HP Submersible Pumping machinery directly coupled with suitable size submersible motor for minimum 75 mm dia. bore well having following specification.Pump: Discharge: 2 to 2.5 M3/Hr. Head: 70 Mtrs. Motor:Submersible type, SP, 50 Hz. (240V±10%), 2900 rpm, DOL starting method.[All the test Certificates curve chart & warranty should be provided at the time of delivery] Make: KSB/Texmo/others approved

Supply and delivery of Single phase 1 HP DOL starter with inbuilt voltmeter, Ammeter, On/Off switch etc. (Make: L & T MR-G2/ Havells/ Others P.H.E.Dte Approved.)

Supply and delivery of 25Amps DP MCB with Sheet steel enclosure (Appr. Make)

Installation of the submersible pumping machinery aong with supplied UPVC column pipe, bend, short piece and others as per direction of EIC.

Fitting fixing of above supplied MCB,starter etc. and Drawing power connection from the existing Source to submersible pump motor along with other materials as needed to complete the job and providing Spike earthing arrangement to all electrical installation with GI wire as per IE rules & as per direction of EIC.

Supply & delivery at site 32mm dia. UPVC standard type column pipe (cream color) with both side threaded and one end side socketed with registered KPMG. Make - Ashirbad/approved make.

3 mtr. Long.

Supply and delivery of following materials:-

32mm dia. 90° UPVC bend.

32mm dia. UPVC short piece.

32mm dia. UPVC Gate Valve.

UPVC 32mm dia top and bottom adopter (Best quality)

MS Suspension clamp

MS split type Suitable dia. Top cover

2.5 Sq. mm 3 core copper water proof flat subme r s i b l e cab l e (Make : Finolex/Havells/Mescab/approved make)

Laying of submersible cable through 25 mm dia non metalic pipes(IS:14930) and specials for protection of submersible cable from Starter to Tube well with proper clamping

Supplying, fitting and fixing PVC pipes of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match withf GI Pipes as per IS : 1239 (Part-I) with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducig socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pips, making threads, fitting, fixing etc. complete in all respect including cost of all necessary fittings ec. 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

25mm dia P.V.C pipe

20 mm dia P.V.C pipe

Supplying fitting and fixing peets valve full way gunmetal standard pattern best quality of approved brand bearing I.S.I marking with fittings.

a) 25mm dia.

Supply and fitting fixing of PVC water storage tank of approved quality with closed top with lead (black) Minimum 3 layer 1000 litre capacity.

Engaging temporary man power in each site for day to day operation of pumping machinery and electrical installation for smooth runing of water supply arrangement for accomodation of CAPF & SPF. (for each site average operating period considered 25 days hence 25 man day considered.)

Engagement of electrician for regular superision of pump starter, MCB and other installed electrical item and wiring for proper functioning and smooth running during the election period.

Development of of t/w by compressor and other accessories including yieldtest by V notch and other accessories as per direction of EIC. The rate inclusive of cost of materials fel lubricants labour charges and other incidental charges required to complete the work.

Add: GST @ 18% on sum of Item No: 1 to 26

Add Cess @1% on sum of Item No. 27

SATYAJIT GHOSH

S.K. ELECTRICALS