Providing Water Supply Scheme Wadali Dogran

Amount

Boring with casing pipe for tubewell in all soils except ordinary hard rocks requiring blasting including removing the casing pipe after the tube well is lowered & tested , equipment as requried such as hand boring machine and its accessory, transportation to site and vice versa etc. complete in all respect.

Boring with 250mm id Housing Pipe Upto 150 m depth BGL.charges etc complete

Supplying, lowering of MS Pipe as per IS: 4270-2001 including MS sockets having dimensions as per IS code duly welded with MS electrode to have extra strength to lower the pipe into tubewell bore.

(d) 200mm nominal diameter (weight 41.6 kg per meter) 8.0mm thickness

Supplying fixing and lowering of Stainless Steel Cage type wire wound screen as per IS:8110-2000 or latest ISI Marked duly welded with suitable grade S.S welding electrode.to lower the strainer into tubewell bore.

(i) 200mm internal diameter (slot size 0.15mm) 6.30 mm thickness

Supplying, fixing and lowering of stainless steel socket as per IS 8110-2000 or latest, ISI Marked duly welded with suitable grade SS Welding electrode to lower the strainer into tubewell bore complete in all respect. 200mm internal diameter

Supplying, Lowering & fixing of M.S. special socket to connect S.S. Strainer to M.S. Pipe duly welded with suitable grade welding electrode complete in all respect. (c) 200 mm internal diameter

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

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

Supplying & Fixing of well cap having thread to fix on housing pipe complete in all respect. 200mm internal diameter

Supplying & fixing of bail plug of M.S. pipe complete with inverted U-hook attached to the bottom plug complete in all respect. 200mm internal diameter (weight 41.6 kg per meter) 8.00 mm thickness

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

Development of stabilizing of the tube well with air compressor of required capacity as directed by the engineer-in-charge including cost of tools, appliances & consumable to the satisfaction of Engineer-in-charge. Capacity of Air compressor 300 cfm at 250 PSI

Development of stabilizing of the tube well 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 One No. 50KL (50,000 ltrs) capacity having height 20 mtr of up to FSL & 17 sill level from formation level complete with external RCC stair case with landing slabs of each staging RCC roof, ventilator singe main hole cover lightening conductor etc. complete as decribed in schedule No. 3 . Providing & fixing DI-K9 Pipe as per IS 8329 expansion joint conforming to IS -13382 and CI/DF sluice Valve duly ISI marked ( IS 14846-2000 or latest) one each with inlet, outlet and scour pipes including providing and installing intel,outlet and scour pipes and overflow CDI-K9 Pipe as per IS 8329 and latest duly IS marked from bottom dome to duck foot bend and further up to 2.75 mtr as per detail specification ( The specification & drawing are based on safe bearing capacity of soil of 8.75 tones per sqm.In case the safe bearing capacity of soil is less than 8.75 tonne per sqm. The contractor shall submit his own design for foundation portion based on actual safe bearing standard capacity as per DWSS specifications. The difference in quantites from the standard drawing based on 8.75 tone per sqm safe bearing capacity with be paid as per CSR+prevalling celing premium including providing & fixing automatic Electronic water level control device & over flow haudi & Aluminium ladder inside the tank and construction of Plinth protection around OHSR with masonary toe wall with 40mm thick CC1:2:4 on top over 100 mm thick CC 1:8:1:16 & inside earth filling including overflow haudi complete in all respects..

PUMPING MACHINERY :- Providing & Installing Testing & Commissioning of One No. Electrically driven Submersible Pumping set of reputed Make capable of delivering 319 LPM against a head of 52 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 M.S. Column Pipe of suitable size 50 mm =50 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) 50mm i/d

Cost of submersible Cable (with Length) 2.50mm2

Cost of Panel Board

Providing and installing 100mm 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.. inside the pump chamber as per standard design complete in all respects

Providing, Laying , fixing & jointing of P.V.C. Pipes as per ISI-4985 (ISI marked with the prior approval of Engineer-in-Charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications. (Mechnically) (10kgf/sqcm) (excavation & including specials) 110mm o/d pipe of 10 Kgf/sqcm

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) (b) 100mm i/d Class PN-1 as per ISI

Providing, Fixing & jointing Cast Iron Surface box for Sluice Valve, Air Valve, Fire hydrant etc. including all carriages complete

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) including carriage

DEVELOPMENT OF WATER WORKS

Providing & fixing G.I. Barbed wire 3 ply fencing around the head works site in three rows complete in all respects including cost of winding wire & aluminum painting complete in all respects as per standard Drawing D-6 & 8.

Providing & Fixing PCC Fencing Poles With 6' height, 3" x 3" Top & 4" x 3" Base provided with 3 nos. hooks complete in all respects

Providing & fixing D.Hook complete with MS Bolts size 300mm x 18mm as per standard Drawing D-7. (Including carriage)

Construction of brick masonry corner pillar including cost of cement pointing including cost of material complete in all respects as per standard Drawing D-3. (Including carriage)

Construction of masonry gate pillar including cost of MS Steel Gate size 1.22mtr x 1.37 mtr as per standard Drawing with including D-4 & Analysis A-4 complete in all respects (Including carriage)

Construction of Cement Concrete, Foot Path with masonry toe wall & earth filling inside water works as per standard Drawing D-7. (Including carriage)

Providing & fixing MS Sign Board as per standard size of DWSS as per Drawing D-20 (Including carriage)

Water Supply Distribution System.

Providing, Laying , fixing & jointing of P.V.C. Pipes as per ISI-4985 (ISI marked with the prior approval of Engineer-in-Charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications. (Manually) (6kgf/cm2) (excavation & including specials)

PVC pipe 63mm o/d

PVC pipe 90mm o/d

PVC pipe 110mm o/d

Providing, Laying , fixing & jointing of P.V.C. Pipes as per ISI-4985 (ISI marked with the prior approval of Engineer-in-Charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications. (Mechnically) (6kgf/cm2) (excavation & including specials)

PVC pipe 63mm o/d

PVC pipe 90mm o/d

PVC pipe 160mm o/d

Dismantling brick or flagged stone flooring without concrete base and relaying of dry brick on edge paving with a dismantled bricks including sand grouting.

PVC pipe 63mm o/d

PVC pipe 90mm o/d

PVC pipe 110mm o/d

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) Class PN-1 as per ISI

P/F & Jointing and ISI Marked gun-metal peet valve (heavy pattern) as per IS-778 with hand wheels on G.I. Pipe lines laid in the ground or inside building including all carriage complete.

50 mm i/d Gun metal peat valve (heavy duty)

Providing, Fixing & jointing Cast Iron Surface box for Sluice Valve, Air Valve, Fire hydrant etc. including all carriages complete 9 No. with Each 3kg i.e.

Construction of masonry sluice valve chamber excluding Sluice valve cover as per standard design & drawings of public health department 9 No. With each of Size 0.6m x 0.6m (Including carriage)

Providing proposed water connection with multijet water meter to household upto wall with providing, laying, jointing, testing G.I pipeline 15mm i/d =2.50 mtr, B-class as per (above GL), providing & fixing MDPE pipe 15mm i/d with special 2.0 mtr below GL including cost of special such as tees, bends, sockets, elbow, peet valve, union, nipple & hooks .etc cutting , threading & testing in trenches in the ground and ISI 15mm i/d GM ferrule as per IS:2692 & 3"" i/d clamp with C.I bib cock, 15mm i/d as per IS:210 with siainless steel spindle of approved make.

Providing & Installing Testing & Commissioning of One No. Electrically driven diaphragm opreated metering system chemical dosing chlorinator suitable for for delivering 0.5 to 6 liters of Bleaching Powder solution/ Sodium Hypo solution per hour under maximum delivery pressure upto 7 Kg/cm2 and suction left not less than 1.5 mtr., as per DWSS standard specifations.

Construction of Pump Chamber of size 3.05m x 3.70m including gravel pit with electricity wiring as per DWSS standard design analysis,Complete in all respect .

Enviornmental Provision

Making lawns including ploughing & dragging with 'Sohaga' breaking of clods, removal of earth rubbish dressing & Supplying doob grass roots and planting at 15 cm. apart including Supplying and spreading of farm yard manure@ 0.18 cum per 100 sqm & loosening.

Supplying and Planting prmanent trees including digging of eirth pits size 75x75x75 cm deep refilling the excavated eirth with manure supplyed @0.113cum each and watring supplying through tractor tanker(trees like Neem, Ashoka, Dake, arjun etc.)

Planting ground cover plants including digging and refilling of beds with excavated soil and FYM, Fertilizer and insecticides, planting of saplings at 30cm distance from plant to plant and row to row, providing and fixing brick tiles edging.

Planting, flower beds including digging and refilling of beds with excavated soil and FYM, fertilizer and insecticides, plating of sapling at 30cm distance from plant to plat and row to row.

Provision for one way stand post with khura complete in all recpect.

Part-B

Operation & Maintenance of entire water supply scheme including Pump oprator cum-chowkidar, consumables, repair of structures, distribution system , minor repair of machinery, collection of water tariff, lawns with fine grassing & ornamental plants with manure & watering etc for three month aftercompletion at water work site.

Conditions

Item for which no rate or price has been entered in will not be paid for by the Employer when executed and shall be deemed covered by the other rates and prices in the Bill of Quantities.(Refer ITB clause 4 (d) & GCC clause 3.4).

Unit rates and prices shall be quoted by the bidder in Indian rupee.

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-2010 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 2010. 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-2010

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 2010 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 9 months and 3 months Operation and Maintenance

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.