Village Gurusar Kaunke, Block Jagraon

Amount

TUBE WELL

Drilling of 500mm dia bore with Reverse Rotatry Rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to the site. complete in all respect.

Drilling of 500mm dia bore with Reverse Rotary Rig up to 200mtr BGL

Erection and dismantling of boring plant including all arrangement for the transportation of the boring equipment to site of work from the store of contractor at site and back are to be made by contractor at his own cost. All rates should be quoted for supplying the material at site of work. Pits for collection of water and water for drilling tubewell be arranged by the firm/contractor at site at his own cost and levelled after the completion of work.

In payment of bore shall be made up to the bail plug plus margin (7% of main bore drilling or as actual as per field requirement whichever is less) requred for sustaining the main bore.

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.

200mm nominal diameter (weight 33.6 kg per meter) 6.4mm thickness

Supplying, lowering Fixing 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.

200 mm internal diameter (slot size 0.75) 6.30 mm thickness

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. (200mm)

Making electric logging of borehole with electronic well logger including cost of equipment at site etc.complete in all respects

Supplying and fixing mild steel centering guides made out of 32mm X 6mm thick M.S bar 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 at quarry site of gravelof 1/6" to 1/8" sizes including pouring and packing in the annual space between the pipe assembly & bore. The gravel should be free from dust,dirt, or the vegetable manner as per IS 4097-1967 with latest amendments(to be paid as per actual length of pipe) Note: The rates including loading & unloading charges.Carriage from quarry site will be paid as per actual.

Earth Surkhi sand Earth fly ash bajri ballast stone boulders kankar and building rubbish earth

Supplying of tibba sand/ local sand over packing & clay seal upto G.L. below pipe assembly & bore including carriage complete in all respect.

Supplying and fixing sanitary seal having rubber tight on housing pipe complete in all respect. (IS-2800-2019)

Supplying of clay to provide imprevious layer in below pipe assembly & bore above gravel packing all including carriage. (IS-2800-2019)

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

Supplying and fixing M.S well cap having thread to fix on housing pipe complete in all respect

200 mm 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 (weight33.6 kg per meter) 6.4 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 of Nut & Bolts of suitable size complete in all respects.

Development of stabillizing of the tubewell 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 550 cfm at 600 PSI

Development of stabillizing 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. + Uranium)

Provision of sterilizing of well on the completeion of tubewell as per BIS: 2800:2019 be made

Constructing one No. of 50 KL Capacity with sill level not less than 17 m height upto FSL 20 m from formation level complete with external RCC stair case with landing slabs at each staging RCC roof, ventilator single main hole cover lightening conductor etc. complete as described in schedule No. 3. Providing and fixing D.I. K-9 D/F expansion joints or latest bell mouth and D/F puddle collars as per design submitted by contractor, Duck foot bends, Conforming to ISI -13382 and C.I/D.I. D/F Sluice Valve duly ISI marked (IS-14846-2000 or latest) one each with inlet, outlet and scour pipe and including providing and installing inlet, outlet scour pipe and overflow DI double flanged pressure pipes DI K-9 horizontally as per IS 8329-2000 and latest duly ISI marked from bottom dome to duck foot bend and further up to 2.75 mtr as per detail specification TMT steel & painting of all complete shall be included in cost & P/F aluminium ladder inside the OHSR complete in all respect as per specifications (The specifications & drawing are based on safe bearing capacity of soil of is less than 8.75 tone per Sqm in case the safe bearing capacity of sail is less than 8.75 tone per sqm. The contractor shall submit his own design for foundation portion based on actual safe bearing capacity as per DWSS specifications. The difference in quantities from the standard drawing based on 8.75 tone per sqm. safe bearing capacity will be paid as per CSR+ Prevailing Ceiling Preminum including supplying fixing and testing at site automatic electronic type Water Level Indication system with gun metal float sensor and electrical cable suitable for 3 phase submersible/ monoblock to be fixed on existing pannal for OHSRs complete in all respects. and construction of Plinth protection around OHSR with masonry toe wall with 40 mm thick CC 1:2:4 on top over 100 mm thick CC 1:8:16 & inside earth filling, including overflow scower haudi complete in all respects. Including Carriage.

PUMPING MAIN

Providing stringing out cutting, jointing and testing of marked D.I pipe (S&S) as per 8329 and laying the same in trenches to correct alignment and gradients, jointed with rubber tyton jointed fitted complete including all cartage.

DI pipe as per IS8329 DI-K9 100mm i/d pipelines laid complete

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)

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)

DISTRIBUTION SYSTEM

Providing, Stringing out uPVC 6kg/sqcm pipes and specials ISI Marked as per ISI-4985 casting along the Trenches and laying the same in Trenches To correct alignment and gradients, cutting. Jointing and testing complete including cost of earthwork in excavation and back filling complete as per specifications for less than 3 mtr street width. (Manualy)

PVC Pipe 63 mm o/d

PVC Pipe 90 mm o/d

Providing, Stringing out uPVC 6kg/sqcm pipes and specials ISI Marked as per ISI-4985 casting along the Trenches and laying the same in Trenches To correct alignment and gradients, cutting. Jointing and testing complete including cost of earthwork in excavation and back filling complete as per specifications for more than 3 mtr street width. (Mechanicaly)

PVC Pipe 63 mm o/d

PVC Pipe 90 mm o/d

PVC Pipe 110 mm o/d

PVC Pipe 160 mm 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 63 mm o/d

PVC Pipe 90 mm 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)

Construction of masonry sluice valve chamber excluding Sluice valve cover as per standard design & drawings of public health department. (Size 0.6m x 0.6m)

HOUSE SERVICE CONNECTION & WATER METER

Providing and Laying, jointing, fixing, testing MDPE/GI pipe lines 15mm i/d B-Class (2.50 mtr. MDPE, 2.00 mtr. G.I Pipe) , including cost of Specials such as tees, bends, sockets, elbow etc. cutting, threading and testing in trenches in the ground complete, 3" I/d uPVC Clamp, Providing ISI Marked G.M. 15mm i/d ferrule medium as per IS:2692, drilling and tapping cost iron pipe lines of all diameters and screwing in ferrule and connection complete in all respect. Providing and fixing in position CI Bib Cock 15mm i/d as per IS:210 with stainless Steel spindle of approved make (to the approval of Engineer-in-charge) complete in all respect.

Providing, fixing and jointing Water Meter (Multi Jet) in G.I. pipe including cutting and threading pipe and making long screw etc. complete including cost of G.I. jam nut complete. 15mm i/d, Providing, fixing and jointing gun-metal peet valves (Heavy pattern) with hand wheels, on G.I pipe lines laid in the ground or inside buildings including all carriages complete. 15 mm i/d, 15mm socket, MS hooks complete in all respect.

CHLORINATOR

Providing, installing, testing & commissioning one no. Electrically actuated, diaphragm operated, Metering system, chemical dosing Chlorinator, suitable for delivering 0.5 to 0.6 litres of bleaching powder solution/ sodium hypo solution per hour under maximum delivering pressure upto 7 kgcm² and suction lift not less than 1.5m as per DWSS standard Specification.

PUMP CHAMBER

Construction of Pump Chamber size 3.05 m x 3.70 m including cost gravel pit and electric wiring complete in all respects as per standard drawing D-1-1 to D-1-4 & Analysis of rates A-2 complete in all respects.

Construction of Sanitary Latrine in pump Chamber for Foundation and plinth of WC rooms including flooring, PVC pipes, Junction Box, 1 Nos. Leach Pits, Super structure WC Room etc.

PUMPING MACHINERY

Providing & Installing Testing & Commissioning of One No. Electrically driven Submersible Pumping set of reputed Make capable of delivering 322 LPM against a head of 67.00 mtr (10.00 BHP) complete in all respects

Providing & Fixing of Electric Control panel board Consisting of elctric appliances such as automatic Star Delta Push Button, (As per PSPCL norms) Main Switch, VM, Ampere, Meter, ELCB, Shunt Capacitor, Single Phase preventer, Indicating Lamps, Kit-Kat etc.complete in all respects

Providing & Fixing of submersible cable 4.00 mm² complete in all respects.

Providing & Fixing of M.S Column Pipe of 80 mm i/d complete in all respects.

C.I FITTING INSIDE PUMP CHAMBER

Providing and installing 100 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.. inside the pump chamber as per standard design complete in all respects as Annexure A12 – 2 & Drawings D-12 & D-17. complete in all respects.

DEVELOPMENT OF WATERWORKS

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 angle iron pickets with angle 40mm x40mm x 6mm including cost of concrete block & painting complete in all respects as per standard Drawing D-8 &.

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

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

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 complete in all respects

Construction of Cement Concrete, Foot Path with masonry toe wall & earth filling inside water works as per standard Drawing D-10

Providing & fixing MS Sign Board as per standard size of DWSS

Operation and maintenance of water suplly scheme for 3 month including Salary of Pump Operator Cum Chowkidar and Provision for bleaching powder or sodium chlorite for disinfection of water complete in all respects.

Planting hedge including digging of trench 60 cm wide to 15 cm depth and mixing FYM, fertilizer and insecticides, planting of sapling at 30cm distance from plant to plant in two rows.

Surface dressing of ground including removing rank vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m in all kinds of soil.

Fine grassing including uprooting rank vegetation and weeds by digging the area to a depth of 30 cm, removing all weeds and other growth with roots by forking repeatedly, breaking clods, rough dressing, flooding with water, uprooting fresh growth after 10 to 15 days, mixing fertilizer and then fine dressing for planting new grass, including disposal of all rubbish with all leads and lifts, watering, weeding and maintenance for 30 days or till thick lawn is formed.

Supplying and planting permanent trees in prepared pits and watering.

Provision for one way stand post khuraah