DVDB Works in Distt. North, Delhi.

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below the pile cap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. by percussion drilling using Direct mud circulation (DMC) or Bailer and chisel technique by tripod and mechanical Winch Machine all complete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to bottom of pile cap).Note: Truck Mounted rotary/TMR/Tubewell boring machine shall not be used.500 mm dia piles

Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by Kentledge/Anchor piles method and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of Engineer in-charge.Note: 1. Initial and Routine Load Test shall not be carried out by Dynamic method of testing.Note: 2. Testing agency shall submit the design of loading platform for the approval of Engineer-in-charge.Note: 2. Testing agency shall submit the design of loading platform for the approval of Engineer-in-charge.Initial test (Test Load 2.5 times the Safe capacity)

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. 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 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50m. All Kinds of soil.

Excavating trenches by mechinical / manual means of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, for all depth, including letting 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, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m - All kinds of soil - Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc, in layers not exceeding 20cm. in depth; consolidating each deposited layer by ramming and watering, lead up to 50m and lift upto 1.5m

Extra for every additional lift of 1.5 m or part thereof in excavation /banking excavated or stacked materials - All kinds of soil

Supplying an filling in plinth with Jamuna sand under floors including watering, ramming, consolidating and dressing complete

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plinth level 1:3:6 (1 Cement : 3 coarse sand (zone-III): 6 graded stone aggregate 40 mm nominal size) .

Providing and laying in position ready mixed or site batched design mixcement concrete for reinforced cement concrete work; using coarseaggregate and fine aggregate derived from natural sources, PortlandPozzolana / Ordinary Portland /Portland Slag cement, admixtures inrecommended proportions as per IS: 9103 to accelerate / retard settingof concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge, for the following grades of concrete - Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement - All works upto plinth level - Extra for providing richer mixes at all floor levels.Note:- Excess/less cement over the specified cement content used is payable /recoverable separately.Providing M-30 grade concrete instead of M-25 grade BMC/ RMC. (Note:- Cement content considered in M-30 is @ 340 kg/ cum)