TUBEWELL INSTALLATION

Amount

Sub Head No. 1 Head Works

Drilling of bore 250 mm dia bore by mechanical means in all kinds of soils including cost of all stablilzing material, transportation of rig and contingent equipment to the site of works including cost of casing pipe white boring and extracting the same.

Development of tubewell according to clause 9.3 of IS:2800-1991 (Part-I) as amended upto date and specification attached and as directed by the Engineer- in-Charge of the work including the cost of all consumeable stores, fuel, oil compressors, pumps..

Supplying & lowering of 225mm o/d PVC rigid housing pipe as per ISI marked 10 kg. cm2 of standard length with required number of socket into borehole in vertical position includingn cost of all scaffolding, derricks, Jim, poles, tools and plants, rope..

Providing and fixing of 9" i/d MS plate for cover complete in all respects.

Supplying and fixing of 100mm M S clamp as per IS 226/1975 as amended upto date for supporting the housing pipe supported on two girders not less than 100mm x 150 mm and two meters long each embedded in suitable foundation as approved by the Engineer-in- Chief.

Providing and fixing of 9" i/d PVC socket complete in all respects.

Providing and fixing of Nylone Net.

Providing and fixing of Adhesive. ( in ltr )

Providing and fixing of 9" i/d PVC end cap complete in all respects. ( Heavy )

Providing and fixing Nylon Twine

Labour for making of hole in PVC pipe line for filter.

Providing and fixing Copper Revits

Supplying & laying, jointing & cutting of PVC pipe as per ISI marked 10 kg/ cm2 including cost of excavation & refilling the same complete in all respects. (With loading and unloading). 100 mm i/d PVC 10 kg.cm2

Excavating trenches of required width for pipes, cables etc. including excavation for socket & dressing of sites, ramming of bottom, depth upto 1.50 mtr., including gating out the excavated soil & then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposit layer by ramming watering etc. & & disposal of surplus excavated soil as within lead of 50 mtr.Pipe, cable etc. exceeding 80 mm but not exceeding 300 mm dia.

Providing GI pipes class B marked with IS: 1239 in 3.05 m length, their threading and welding with flanges (Heavy Duty) on both sides, jointing with nuts and bolts ( 'W make), rubber gaskets, lowering into Tube wells and testing including carriage, loading, unloading etc. complete in all respects to the satisfaction of Engineer-in- Charge.80 mm i/d

Earthing with GL earth pipe 4.5 long & 40 mm dia with masonry enclosures on the topn etc. ( but without charcoal or coke and salt) as required.

Extra for using salt & char coal/ coke for pipe eath electrode as required.

Supply and jointing three core submersible flat cables of approved make with bare bunched copper conductor insulated and sheathed with PVC for submersible pump motors /fountain lights etc with voltage grade 1100 volts marked with IS:694, 1990 including cost of jointing, materials as well as carriage, loading, unloading etc. complete in all respect up to the entire satisfaction of Engineer- in-Charge-Submersible Copper Cable 3 Core 6 sqmm

Providing, lowering, laying in trenches, aligning, fixing in position and jointing at all level/depths cost iron (CI) standard specials plain/flanged/socketed conforming to IS 13382 with rubber ring, nut bolts and rubber sheet such as tee, bends, tapers, caps etc. complete including all material, labour, testing & commissioning as per all Technical Specifications and as per direction of Engineer – in- charge.Up to 300mm dia

Supplying, erection testing and commissioning of submersible pumping sets as per BIS SPECIFICATION No. 8034 - 1989 (as amended up to date for pumps ) and IS 9283 – 1979 (as amended up to date for motor ) the pump motor sets should be capable of pumping clear fresh cold water having characteristics as specified in Clause – 4 of IS 8034 – 1989 and clause 4.1 of IS 9283 – 1979(450 LPM /25 M Head/ 5.00 BHP)

Supplying of fully automatic electric control panel board for T/Wells in Pump Chamber consisting of MS sheet of thickness 14 gauge duly painted box type floor mounted made of angle Frame containing 1 no. fully automatic air brake starter suitable for Motor of the following capacity, Min switch of suitable range with HRC fuse, 1 no. volt meter (0 to 500 volts), 1 No. Amp. Meter of O to 100 amp. 3 sets of indicating lamp capacitor of suitable capacity and 1 no. single phase preventers with the timer switch including wiring in panel board and suitable electric energy meter wiring in Electric Control Panel Board complete in all respect as per specification given in Schedule No. II, Including MCB, suitable, Capacitor, Wooden Box etc as per site requirement complete in fal respect. Make:- L&T, SIEMENS, BCH, SCHNEIDER. (Horizontal motor pumping set for clear water Discharge in Power in having head 25.00 m (KSB, CRI, Kirlosker, Cromp Greeve,Lubi).

Providing & fixing asbestos cement 6 mm sheet(w.o-09/ch-85/Xen/CMD-1/RGTPP/f-607 Dated 23.07.2021

Providing and fixing 3.5 core x 50 Sq.mm aluminum cable.

VARUN BANSAL