Construction of Roof Top Rain Water Harvesting and Artificial Recharge to Ground Water at Chandrakona Vidyasagar Mahavidyalaya at Block Chandrakona II PASCHIM MEDINIPUR DIST

RECHARGE WELL: Drilling of bore hole by direct rotary rig through any kind of soil or rock down to reqired depth by using not more than 215 mm dia drill bit including arrangement of water for the bore hole all complete. Upto 30 metre below G.L.

beyond 30 metres and upto 60

beyond 60 metres and upto 90 metres.

beyond 90 metres and upto 120 metres.

beyond 120 metres and upto 150 metres.

Add extra for reamming the bore hole by direct rotary drilling method by using 300 mm to 400 mm dia drill bit down to the required depth through any kind of soil

Supply of casing pipes ISI marked, IS-12818 150 MM N.B. 7.5 mm Medium

Supply of casing pipes ISI marked, IS-12818 150 MM dia 7.5 mm thick screen ribbed (medium)

Supplying, fitting, fixing the following fittings of PVC-U conforming to IS: 12818 & lowering in position etc. as directed by the Engineer-in-Charge. (a) M.S. Centre guide (consisting of 3 nos., not less than 450 mm long and 125 mm rise of arch) of approved quality with two nos. MS clamps suitable for PVC-U pipes.

b) 150 mm DN PVC-U end cap.

Supplying, fitting and fixing including supplying of suitable joining compound for fixing in position, threading, if necessary etc. all complete. (c) 150 mm dia G.I. threaded top cap fixed in position.

Labour charges for fitting, fixing & jointing thread to thread with solvent cement the P.V.C. pipes (Housing pipe, Blank Pipes, Strainers, bottom plug etc.) and lowering the same carefully into the bore hole down to the required depth complete in all respects as per direction of the Engineer-in-charge. 150 mm DN dia. blank pipe, Bottom Plug & Screen /Slotted Pipe.

Supply of gravel for use as pack in tube well of 2 mm to 4 mm. size(as per IS: 4097) and gravel treatment of tubewell including screening, washing, cleaning etc. of the gravels at the site, all complete as per direction of the Engineer-in- Charge. (iii) For site at any district of West Bengal upto 180 Km distance from quarry.

Washing and developing of tube well with Air-compressor, pump & engine fornot less than 8 hours contineous pumping with necessary arrangements for thestig the yield in Gallons per he. including hire and labour charges for all tools & plants etc. all complete. Depth upto 120 M

Mobilisation charges for transporting upto site including loading, unloading of all plants, machinaries & equipments required for drilling, development and testing of Tubewells and also the cost of construction temporary roads over field and / or culverts, repairing existing roads and / or culverts all complete, carrying materials on head load, carts or boats as the case may be. i) For sites within 4 Km. from all weather metal road

FILTRATION TANK & WTA: Earthwork in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite and sand stone), including removing, spreading or stacking the spoils, as directed and including trimming the sides of trenches, levelling, dressing and ramming the bottoms, bailing or pumping out of water etc. as required complete. a) Depth of excavation not exceeding 1500 mm (not required shoring).

b) Depth of excavation for additional depth beyond 1500 mm and upto 3000 mm but not required shoring.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

Single brick flat soling of picked Jhama bricks including ramming and dressing bed to proper level and filling joints with powdered earth or local sand.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 M. in ground floor including roof up to 150 mm thick.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. in 4th floor

Brick work with 1st class bricks in cement mortar (1:6) (a) In foundation and plinth

125 mm thick 1st class Brick work in cement mortar (1:4) (a) In ground floor

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. For works in foundation and upto roof of ground floor/upto 4 m. Manufacturer not specified

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes. i) Pakur Variety.

Hire and labour charges for shuttering with centering and necessary staging up to 4 metre using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams, columns, lintels curved or straight including fitting, fixing and striking out after completion of works ( up to roof of ground floor). 25 mm to 30 mm thick wooden shuttering.

Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (1:2) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. In ground floor. 3 mm. thick topping (High polishing grinding on this item is not permitted with ordinary cement). Using grey cement 25 mm. thick.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and racking out joints or roughening of concrete surface including throating, nosing and drip course as necessary at ground floor. With 1:6 cement mortar , 20 mm thick plaster.

Neat cement punning about 1.5mm thick in wall,dado,window sill,floor etc. NOTE: Cement 0.152 cu.m per100 sq.m.

Supply of casing pipes ISI marked IS-12818 150 mm N.B. 7.5 mm-Medium

Manufacturing of 160/140/110 mm dia. PVC. strainer by making slot of suitable size as per design on the body of the PVC. pipe covering same with good quality nylon net and closerly winding the same with good quality of coir rope (PVC. pipe to be supplied by their department) includinq all labour & transportation charges complete.

CI sluice valve with hand wheel, ISI marked IS:14846 150 mm

FTP : 160 mm

Supplying, fitting & fixing bolts with nuts & washers (i) 10 to 16 mm dia. A) Length upto 75 mm 16mm dia. & 80mm long 2x8=16 nos @ .1825 kg each =2.92 i.e 3.00 kg for each valve

Supply of UPVC Pipes ISI Marked IS- 4985 110 mm dia.

Supply of UPVC Pipes ISI Marked IS- 4985 160 mm dia.

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materails (Spun Yarn, Valamoid/ Bitumen/ M-Seal etc) complete. i) Bend 87.5 degree 160 mm dia

ii) Bend 87.5 degree 110 mm dia

Supply of UPVC Materials i) Coupler 110 mm

ii) Coupler 160 mm

Supply of UPVC i) Plain Tee 110 mm dia

Supply of UPVC i) Plain Tee 160 mm dia

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 Vent Cowl 110mm dia

Supply of Materials i) Reducer (160 X 140 mm )

ii) Reducer (140 X 110 mm )

SUPPLYING, FITTINGS & FIXING OF PVC HD-END CAP (PLAIN) AS PER IS 7834 i) HD-End Cap (Plain) 160 mm

Supplying, fitting and fixing C. I. round gratings complete. 100 mm

Supply of coarse sand (Fineness modulus not less than 2) including cleaning screening etc at site and placing in layers in the recharge pit as per direction of EIC.

Supply of gravel for use as pack in tube well of 2 mm to 4 mm. size(as per IS: 4097) and gravel treatment of tubewell including screening, washing, cleaning etc. of the gravels at the site, all complete as per direction of the Engineer-in- Charge. (iii) For site at any district of West Bengal upto 180 Km distance from quarry.

MS or WI Ornamental grill gate of approved design joints continuously welded with MS, WI Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs . (i) grill weighing above 16 kg/sq m and above.

Supplying, fitting, fixing in position netting with PVC Coated Crinkle mesh of approved colour with wooden or steel or concrete frame work including cost of galvanised bolts, nuts, screws, nails, spacers, shape welding etc complete but excluding the cost of supporting frame works, battens etc. (a) 25 mm. x 25 mm. x 8 g.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work)

Supply of 'L' shaped stay, (horizontal- 450 mm, vertical-200 mm) made of MS angle( ISA 50 × 50 × 6) fixing the angle into the wall (250 mm) by cutting hole in wall and fixing with cement concrete including cost of material and carriage but excluding cost of cutting hole and concrete all complete.

Labour for fitting and fixing U.P.V.C. pipes for above ground work including cost of jointing materials etc. fitting and fixing all necessary specials, cutting pipes, cutting holes in walls or R.C. floor where necessary and mending good all damages excluding the cost of masonry or concrete work, if necessary, but including the cost and fitting and fixing holder bat clamps (any floor) or for underground work including cutting trenches upto 1.5 metre and refilling the same complete as per direction of the Engineerin-charge. (Payment will be made on centre line measurement of the total pipeline including specials A) Above ground (i) 110 mm OD

(ii) 160 mm OD

B) Under ground (i) 160 mm OD

Testing of pipe line system against leakage by filling the distribution chamber with water and supplying water through the entire pipe line net work for at least 4 (four) hour including hiring and transport of suitable generator, pump, tools and plants, fuel and lubricants, installation of the pump, connecting the same with pipe line net work, making necessary electrical connection and dimantling all these after completion of test-all complete as per direction. i) For MDTW

Supplying, fitting and fixing including transportation of sign board for identifying the exact location of MINI RLI scheme (one at road side and other at site) the board will be made 3 mm thick MS plate of size 300 mm x 600 mm and fitted and fixed on 50 mm GI Pipe of IS 1239/90 (part-1) including cutting, welding LS 3,677.51and writting of both sides of Sign board. Base - Yellow, and words - Red. Both bottom end of the stands pipe will be grouted in 1:2:4 CC on a single brick flat soling. This will include one materials and labour complete as per drawing and direction of E.I.C.

Add GST @18% on all above items

Add Add Labour well fare Cess @1%

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