National Geophysical Research Institute Tender

Extra for every additional lift of 1.5 m or more part thereof in excavation / banking excavated or stacked materials. disposal excavated soil Inside along the NGRI compound wall as directed by Engineer-In-Charge (3.1) All kinds of Soil

Extra for every additional lift of 1.5 m or more part thereof in excavation / banking excavated or stacked materials. disposal excavated soil Inside along the NGRI compound wall as directed by Engineer-In-Charge (3.2) Ordernay or hard rock

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering For pipes of Pipes, cables etc, not exceeding 80 mm dia , etc. and disposal excavated soil Inside along the NGRI compound wall as directed by Engineer-In-Charge

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, disposal excavated soil Inside along the NGRI compound wall as directed by Engineer-In-Charge

Providing and laying in position cement concrete of specified grade 1:3:6 (1 Cement :3 coarse sand (zone-III) : 6 graded stone aggregate 40 mm nominal size excluding the cost of centering and shuttering - All work up to plinth level complete the job as per Instructions of Engineer-In-Charge

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete,Including fibre mixing of Reliance polyfibre or Equivalent and mixing of admixtures of gilinium or roof bond etc or equivalent admixture, spreading and ,compacting mechanically by using needle and surface vibrators, levelling ,to required slope/ camber, finishing with required texture, including steel ,form work with sturdy M.S. channel sections, curing , improve workability without impairing strength and durability and including submitting of RCC sump tank analysis and design and submitting of drawings for approved by taking necessary data from Engineer-In-Charge and complete the job as per direction of Engineer-in-charge .“(Note :- Cement content considered in this item is @ 330 kg/cum.“Excess/ less cement used as per design mix is payable/recoverable separately).All works upto plinth level

Centering and shuttering including strutting, propping etc. and removal of form for all heights Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. complete job as per Instructions of Engineer-In-Charge

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding Thermo-Mechanically Treated bars of grade Fe-500D or more all complete upto plinth level and arrange necessary arrangements to complete the job as per Instructions Engineer-In-Charge

Providing and fixing in position pre-cast R.C.C. manhole cover Circular shape 560 mm internal dia EHD - 35 and frame of required shape and approved quality and arranage the necessary requirements to complete the job as per Instructions of Engineer-In-Charge

15 mm cement plaster 1:3 (1 cement: 3 Fine sand) finished with a floating coat of neat cement on the rough side of single or half brick wall. to complete the job as per Instructions of Engineer-In-Charge

Providing and applying two or more coats of Tapcrete making of CICO with (1:2) ratio with gry cement and including of fibre mesh to complete the as per Instructions of Engineer-in-charage

Providing and fixing of S&S centrifugally cast (spun) iron pipes (Class LA) conforming to IS - 1536 to arrange the nessary screws, washers etc 150 mm dia pipe to complete the job as per Instrctions of Engineer-In-Charge

Providing and fixing 80 mm dia nominal bore Class-B G.I. pipes complete with G.I. fittings including trenching and refilling, etc to arrange the nessary screws, washers etc to complete the job as per Instrctions of Engineer-In-Charge

Providing and fixing of GI Pipes posts for fencing including decarative round Copping , cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete to complet the job as Instructions of Engineer-In-Charge

Providing and fixing Sand cast iron S&S as per IS - 1729 100 mm dia plain bend of required degree and arrange necessary requirements to complete work and arrang necessary requirements of Washers ,rubber etc tp complete job as per Instructions of Engineer-in-Charge

Making connection of G.I. distribution branch with G.I. main of following sizes 50 to 80 mm nominal bore by providing and fixing tee, including cutting and threading the pipe etc. complete job as per Instructions of Engineer-In-Charge

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-incharge.

Structural steel work riveted, bolted or welded in built up sections trusses and framed work,including cutting hoisting, providing MS hinges, locking arangement, fixing in position and applying a priming coat of approved steel primer all complete.

Painting with aluminium paint of approved brand and manufacture to give an even shade . Two or more coats on new work With make of Asian Apcolite or equilant to complete the job as per Instructions of Engineer-In-Charg

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work with make of Asian apcolite Complete job as per Instructions of Engineer-In-Charge

Extra for providing and mixing water proofing material in cement plaster work including mixing of conplast X421C integral based water proofing compound or equivalent as per manufacturer specifications.