Construction of Double Storey Office Building for TLMD 1st and TLMD 6th at Bemina

structural

Earth work in excavation by mechanical means (hydraulic excavator) in trenches for foundations, drains, pipes, cables, etc (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift up to 1.5m, including getting out excavated earth and disposal of surplus excavated earth as directed, within a lead of 50 metres, all kinds of soil.

Providing and laying of hand packed stone soling (size 150 mm-230mm), before laying of mud mat, compacted, consolidated, rammed and filling the voids with fine sand - all complete incl carriage upto site of work with all head loads.

Cast-in-situ of concrete work of nominal mix concrete M7.5 grade (1:4:8) nominal maximum size of stone aggregate 40mm volumetric batching in foundation trenches and ground floor, including curing but excluding formwork costs. Incl. all leads, lifts, head loads and carriages of all material involved complete.

Boring, providing and installing bored cast-in-situ reinforced cement concrete pile of specified grade concrete mix, 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 embeded in the pile cap etc. all complete including removal of excavated earth with all lifts and leads(Length of pile for payment Shall be measured from top of shoe to the bottom of pile cap) By percussion drilling using Direct mud circulation (DMC) or Bailer and chisel technique by tripod and mechanical Winch Machine all complete,21.2.1: 450 mm dia piles.

Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by Kentledge/ Anchor pile 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-inCharge

Initial test (Test Load 2.5 times the safe capacity).

Routine test (Test Load 1.5 times the safe capacity).

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,incluyding pumping of concrete to site laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportiond as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. Note: - Cement in this item is @ 330 kg/ cum. Excess or less cement used as per design mix is content considered payable or recoverable seperately. Incl. all leads, lifts, head loads and carriages of all material involved complete.

6a) All work upto Plinth Level.