Providing and Installing of 1 No. PVC Tubewell in lieu of failure tubewell at existing water supply Scheme Bagga Kalan Block Harsha Chhina Distt. Amritsar. Under Head 4215-01-102-36-99-53 and 4215-01-789-13-99-53

Amount

Boring with casing pipe for tube well in all soils except ordinary hard rocks requiring blasting including removing the casing pipe after the tube well is lowered & tested, equipment as required such as hand boring machine and its accessory,transportation to site and vice versa etc. complete in all respect. Boring with 250mm I/d Housing Pipe 0 to 150 m

Supplying, assembling, lowering and fixing in vertical position in bore well,unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS: 12818-2010, including required hire and labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer – in-charge. 200 mm nominal size dia.

Supplying, assembling, lowering and fixing in vertical position in bore well unplasticized PVC medium well screen (RMS) pipes with ribs, conforming to IS:12818, including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge. 200 mm nominal size dia. (slot size 0.20mm)

Supplying & fixing of M.S Clamp of size 150mm X 12mm made out of MS Flat 1.52m long, suitable to fit Housing pipe including the cost Nut & Bolts of Suitable size complete in all respect

Supplying at site Wooden box of suitable size with Lid & locking arrangment for preserving strata sample collected from the bore.

Supplying & Fixing of PVC End Cap complete in all respect.

Supplying and fixing M.S well cap having thread to fix on housing pipe complete in all respect (C) 200 mm internal diameter

Collection of water sample from different strata and testing of sample from approved laboratory (Physical & chemical Analysis)

Development and Stabilizing of the tubewell with submersible pump of required capacity as directed by the engineer-in- charge including cost of tools, appliances & consumable to the satisfaction of Engineer-in-charge.

Testing of water sample for Heavy metal from approved laboratory (Toxic material such as Arsenic, lead, mercury, pesticide etc.)

Construction of Gravel Pit outside the Pump Chamber. (0.90m Dia.) as per standard design & drawings of public health department.

Providing & Installing Testing & Commissioning of One No. Electrically driven Submersible Pumping set of reputed Make capable of delivering 546 LPM against a head of 65 mtr along with electric panel board consisting of electric appliances such as automatic Star Delta Push Button or oil immersed Starter, Main Switch, VM, Ampere Meter, ELCB, Shunt Capacitor, Single Phase preventer, Indicating Lamps, Kit-Kat etc. including G.I. Column Pipe of suitable size 100 mm =36 mtr (in 3 mtr lengths each with flanges , screwed and welded on both sides) rubber gaskets, nuts and bolts submersible cable (reputed make) complete in all respects as per standard Specifications.

Cost of pumping set

Cost of lowering (with length 36 mtr)Column pipe 100 mm dia

Cost of submersible Cable (with Length) Size 4.00 mm2

Cost of Panel Board

Providing and installing 150 mm dia delivery main (From Tube well to Duck Foot bend including cost of C.I/D.F Pipes, D/F Sluice valves, D/F NRV & Specials as C.I Bends, Tail Piece Tees etc.. as per standard design complete in all respects as Annexure A12 – 1 & Drawings D-12 & D-17.

Supplying, Laying, Jointing, Cutting and Testing of 110 mm O/d PVC Pipes and Specials for 10 kg per cm2 including cost of excavation complete in all respects as per DWSS standard analysis. Rising Main to connect new tubewell with existing rising main. (Make Finolex, Supreme, Kissan Moulding or Equivalent (Mechnically). 160mm o/d pipe of 10 Kg/cm2

Providing & fixing C.I/D.I Flanged end, stem of SS (AIS 1410) and Bronze (gunmetal) working parts Sluice Valves ISI marked 14846-2000, including jointing, testing & cost of Nut, Bolt & insertion sheet, all carriage complete (with the approval of Engineer - in – charge) (150 mm i/d)

Construction of masonry sluice valve chamber excluding Sluice valve cover as per standard design & drawings of public health department. (Size 0.9m x 0.9m)

Providing and laying, jointing, fixing and testing ISI Marked uPVC Pipe Lines as per ISI 4985-2000, including specials such as tees, bends, sockets, elbow etc., cutting, testing (including cost of specials) in the ground complete in all respects. For Submersible Cable (New Tubewell's to existing pump chamber) uPVC Pipe 6 Kgf/cm2 (a) 40mm i/d

Credit of Existing Pumping Machinery (-)

Credit of Existing column pipe (-)

Credit of Existing Delivery Main (-)

CONDITIONS :-

Item for which no rate or price has been entered in will not be paid for the Employer when executed and shall be deemed covered by the other rates and prices in the Bill of Quantities.

Unit rates and prices shall be quated by the bidder in indian rupees.

Where there is a discrepancy between the rate in figures and words, the rates in words will govern.

Where there is a discrepancy between the rate and the line total resulting from muluplying the unit rate by quantity the unit rate quoted shall govern.

Any item of work not included in the above contract schedule of rates and got done at the site of work; the same will be paid according to CSR-2020 subject to the premium or discount tendered by the contractor. In the case of non-schedule items, the decision of the Engineer-in-charge will be final and binding upon the contractor. In case any item which is a part of lump-sum rate is be deducted @CSR rates + Ceiling premium prevailing on the date of tender

The work will be carried out in accordance with PWD Book of specifications - 1963 edition with upto date amendments.

Approximate quantities are given in the contract schedule of rates and these can vary at the time of execution of the work. The payment will be made according to the actual work done by the contractor.

All amendments issued on the common schedule of rates 2020. up to the date of opening of tenders will be applicable on the contract schedule of rates.

Contractor should clearly quote his rates in figures & words. Conditional tender will be rejected.

All items and rates provided in the DNIT are subject to the footnotes give in CSR-2020.

The Engineer-in-charge will have full powers to change the layout of the work covered in this contract if considered Necessary.

No claim will be entertained form the contractor in case, any mistake in description rates or unit occurs in any item taken in this schedule while preparing this DNIT or on account of typing or comparison or over writing. The same will be rectified at any time as per common schedule of rates 2020 along with upto date amendments.

The arrangements of bricks at site of work would be done by the contractor at his own level from his own source.

For any other non-schedule items, the contractor will submit through Engineer-in-charge, the analysis of rates in triplicate based on purchased vouchers. A margin of 10% shall be allowed for material components and 21.5% on labour components and contractor shall produce photo stat copies of the purchase vouchers in support of his claim. The decision of the Engineer-in-charge/Competent authority in the matter shall be final and binding on the contractor.

All the extra items will be got approved from the competent authority and no premium will be allowed on non schedule item

Pavement for the carriage of material shall be paid as per the rates quoted by the tenderer.

Time period allowed for completion of work in 2 months.

If contractor allowed for completion of work within 7 days from the date of allotment, DWSS reserve the right to impose penalty or withdraw the work and propose action for debarring in future tendering or both; decision of Chief Engineer (North) shall be binding.

Bikramjit Singh Contractor