DVDB works in Distt. North, Delhi.

Supply of earth by mechanical transport including loading, unloading and royalty of earth and banking the same in layers not exceeding 20 cm. in depth, breaking clods, watering, rolling each layer with ½ tonne roller, or wooden or steel rammers and top most layer with power roller of minimum 8 tonne & dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions with mechanical lead upto 15 km including royalty and lift up to 1.5 m in all kinds of soil.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. 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 : 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

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)

12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand)

Providing and laying in position ready mixed plain cement concrete, with cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C. from transit mixer to site of laying and curing, excluding the cost of centering, shuttering and finishing, including cost of curing, admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer-in-charge.” Note : Excess/less cement used than specified in this item is payable/ recoverable separately. All works upto plinth level : M-10 grade plain cement concrete (cement content considered @ 220 kg/cum)

Providing and laying RMC of M-30 grade by using minimum 400 Kg. of cement (43 grade OPC) per Cum of concrete in roads/streets manufactured in automatic RMC plant using coarse sand and graded stone aggregate of 20 mm nominal size in appropriate proportion as per approved design criteria including transportation to site in transit mixer, including cost of admixture in recommended proportion as per IS 9103 to accelerate/ regard setting of concrete to improve workability wit out impairing strength and durability as per specification including spreading and compacting mechanically by using needle and surface vibrators, leveling to required slope and camber, finishing by floating and brooming with wire brushes etc, and curing including making provision for of contraction/expension, construction of cross/longitudinal joints of size 10mm wide 50mm deep by groove cutting machine, providing and filling joints with approved joints filler and sealants, etc.complete as per direction of Engineer-in-charge(Cost of joint filler & sealants shall be paid for separately under relevant item), Note. Cement content considered in M-30 is @ 400 Kg/cum Excess/Less cement used as per design mix is payale/recoverable separately M-30 RMC using minimum cement @ 400 Kg/cum. Cement concrete manufactured in automatic batching plant(RMC plant) including transportation to site in transit mixer

Providing and fixing 30 mm thick (undressed) red sand stone slab over drains.

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size).

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.