Provision of rain water harvesting structure and underground sump at CSIR-CEERI , Pilani

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of unserviceable material/earth within CEERI premises as directed by Engineer In charge

All kinds of soil

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials.

All kinds of soil

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level

1:5:10 (1 cement : 5 coarse sand (zone-III): 10 graded stone aggregate 40mm nominal size

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removal of form for

Suspended floors, roofs, landings, balconies and access platform

Lintels, beams, plinth beams,edges of slab, girders, bressumers and cantilevers

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level

Thermo-Mechanically Treated bars of grade Fe-500D or more

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

Cement mortar 1:4 (1 cement : 4 coarse sand)

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

40 mm thick with 20 mm nominal size stone aggregate

Providing sand stone slab for roofing and laying them in cement mortar 1 : 4 (1 cement : 4 coarse sand) over wooden karries or R.C.C. battens or structural steel sections (Karries or battens or structural steel sections to be paid separately), including pointing the ceiling joints with cement mortar 1:3 (1 cement : 3 coarse sand ) complete :

Red sand stone slab 40 to 50 mm thick

15 mm cement plaster on rough side of single or half brick wall of mix:

1:4 (1 cement: 4 coarse sand)

12 mm cement plaster finished with a floating coat of neat cement of mix :

1:3 (1 cement: 3 coarse sand)

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 coarse sand) including testing of joints etc. complete :

150 mm dia. R.C.C. pipe

Supplying, filling, spreading & leveling stone boulders/pebbles of size range 9mm to 18 mm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Supplying, filling, spreading & leveling gravels of size range 3 mm to 5 mm or 6mm-9mm, in the recharge pit, over the existing layer of boulders, in required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge

Supplying, filling, spreading & leveling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in required thickness over gravel layer,for all leads & lifts, all complete as per direction of Engineer -in-charge.

Providing and fixing factory made precast RCC perforated drain covers,having concrete of strength not less than M-25, of 50 mm thickness, reinforced with 8 mm dia nine nos longitudinal & 9 nos cross sectional T.M.T. hoop bars, including providing 50 mm dia perforations @ 100 to 125 mm c/c, including providing edge binding with M.S. flats of size 50 mm x 1.6 mm complete, all as per direction of Engineer-in-charge

size 1000x1000x50mmm

size 600x600x50mmm

jagdamba builders

MANISH AND COMPANY