WBPHED/EE/BMD/NIeT-23 OF 2025-2026/1

Geophysical investigation of the acquifer by electrologging system with all tools and plants as necessary including supply of necessary report (1 no pin point site to be done by 3 nos test )

Mobilization and transportation of the rig machine and its accessories and other materials etc to the site.

Drilling a bore hole in DTH process through any kind of soils and rocks in overburden suitable for lowering and fitting fixing of 200 mm outer dia casing pipe(casing pipe may be supplied departmentally) up to an average depth of 25±5 mtrs. and subsequently 165 mm diameter boring through any kind of rocky formation upto a total depth of 170 mtrs (for dry drilling or sufficient water not achieved drilling may be continued up to 200 Mtr) including all other works necessary for boring and lowering fitting fixing of MSERW /UPVC casing pipes suitable for 165mm dia drilling in rock bed and grouting the same as per direction of E.I.C .including (in case of MSERW casing pipes) the cost of welding of M.S.E.R.W casing pipes and welding the top of the casing pipe with one 8mm thick MS cover plate(with supply and delivery of that plate) Necessary arrangement to be made for proper security of bore hole. Note- MSERW/UPVC casing pipes should be properly inserted or lowered in overburden zone for proper RBTW formation, in case of collapse in borehole payment will be done for clear measurable depth only.

a) 0 to 25 Mtrs/Over burden which one is more

a) 25 mtr to 170 mtrs and above

Supply & delivery of 200 mm nominal dia UPVC casing pipe ( minimum wall thickness 10 mm ) having 3.0 meter length each, both end threaded and one end rocketed as per direction of EIC and as per IS:12818-2010 Make- Oriplast/Utkarsh/Supreme/Dupoll NB- Material to be supplied as per requirement of site

Washing developing of tube well with air compressor pump and engine for 8 (eight) hours contineous pumping per dey with necessary arrangement for testing the yield in gallons as per hour with "V" notch including hire and lobour charges for all tools and plants and scafolding as required

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

Supply and deliver at site vertical bore well Submersible Pumping Machinery directly coupled with integral vertical hollow shaft submersible squirrel cage induction Motor suitable for Tube well having power supply at 215+-10%, 50Hz, ±6% with capacity: Discharge 0.5-1.8cum/hr and head- 115-48mtr as per requirement of yield test report ,RPM=2900, ranging from 1H.P to 1.5HP. Pump motor should enable with dry protection through controller Material of construction: Pump Bowl Housing: CI, Pump & Motor Shaft: SS, Impeller: fiber, type of starter: DOL, speed: 2900 rpm. Ambient-50°C (as per IS8034 if available in market) Make Texmo/KSB/PLUGA. [Test certificate, MOC, curve chart & warranty certificate must be submitted at the time of delivery] (Mateials should be supplied after taking approval from department.)

Supply & delivery of DOL starter for motor starter suitable for pump motor mentioned in with starter,volt meter, Amp meter,ASS,VSS,Push button switch,trip indicater lamp complete,suitable for single phase 240 V supply, with minimum IP54 category. Make:- BCH/ABB/KSB/Havells

Supply and delivery at site 2.5 sq. mm, 3 core, 1.1 KV, flat copper submersible PVC cable Confirming to IS: 694:1990 between Submersible pump to composite panel. Make:Havells/Gloster/Polycab.

Supplying and fixing Sheet steel Main Switches on flat iron frame 240V DP (16A) with fuse on L& N. Make: Havells

Supply, delivery and storage at site 40 mm dia UPVC Column pipe medium gauge both side 8 TPI threaded and one side heavy type socket other site rubber cap for threaded protector crys (21kg/cm2). (Make-Astral/Ashirbad)

1.5 mtr long

3 mtr long

Supply and delivery at site 40 mm dia CI Top Adaptor with flange (Single clamp)

Supply and delivery at site 50 mm dia CI Bottom Adaptor (small)

Supply and delivery at site of suitable dia GI short piece (32 mm dia) reducer (40 mm * 32 mm)

Safety device for the above pump set by supplying suitable dia MS cage with proper clamping arrangement and Round Twisted Machine Made Nylon rope 20 mm dia (super quality)as per requirement including supply of all required materials with nuts and bolts as required

102mm Ф 0-12 Kg / cm2 pressure gauge with brass three way cock and syphone and other necessary fittings

Supply & delivery of M.S. suspension clamp with necessary nuts, bolts & washer etc suitable for 80mm dia pipe (Size-300 mm x 80 mm x 8 mm each)

S/D Anti snapping safety device for pump set by supplying suitable size MS clamps two sets and nylon rope of required length including supplying of nuts, bolts and all other materials.

S/D Heavy type 200 mm dia split type tube well cover with 10 mm thick clamping arrangement including holes of column pipe, and cable entry with 2 sets heavy type suspension clump, nuts, bolts and washer as per departmental design.

Supply and delivery of 32mm dia following GI specials for Cable Protection

100mm long short piece (50mm upto 150mm long)

Union

Pipe (TATA Medium) (including Socket)

S & F 25mm dia long bend with ISI mark

S & F 25 mm dia. (OD) GM wheel valve tested to 21 Kg/m2

S/D of gunmetal wheel valve of approved make tested to 32 mm ,21 kg per sq cm(for water line)- 1 nos,check valve -1no, 90 bend -1 no, CI flanged tee-1 no

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.)

32 mm dia

Supplying, fitting and fixing PVC pipes 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 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 expose work)

32 mm dia

25 mm dia

15 mm dia

Laying of cable of 2.5 sqmm in a underground trench in single tier formation (Horizontal) the trench size 460mm x 760mm average depth with brick protection on the top with 8 (eight ) nos bricks per meter including filling the space between the brick & cable also the trench with shifted soil leveling up and restoring surface duly rammed as per direction of EIC.

Installation of above pump motor, panel, valves and specials ,adapter ,pipe above supplied items as in including supply of cable gland, sockets etc including brick, sand, cement rod etc as required to complete the job as per direction and up to the entire satisfaction of the EIC. (Materials should be supplied as per requirement of site, no extra cost will be borne by the department.)

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). 15 mm dia

Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg per sq. cm. (for water lines only). 25 mm dia .

For water and electrical line necessary road crossing by cutting the road supplying the ms pipe and reconstruct the road with necessary brick support for water & electrical and pipe line as needed to complete the work as per direction of EIC.

Excavation of soil for installation of Earth Electrode and filling & ramming. For Soft Soil

Earthing with 50mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1x4 SWG GI (hot dip ) wire (4 mts long) , 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl S & F 15 mm dia GI Pipe protection ( 1 mtr long ) to be filled with bitumin purely under the ground level and partly above ground level driven to the average depth of 3.65 Mts. below the ground level as below: By ISI-Medium GI pipe

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos.12 mm dia holes on the GI pipe

Connecting the equipments body to earth busbar incl. S & F 25 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

Making suitable size tubewell foundation guard 1m x 1 m as required dimension with supplying of necessary cement brick, sand and stone chips including plastering and neat cement finish complete masonary works and hinge MS fabricated top gate with locking arrangement as per direction of EIC.

Add: 18% GST

Add: 1% Cess

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