WBPWD/SE/NBCC II/NIT33/25-26

Part-I - MAIN BUILDING WORKS:-- Earth work in excavation of foundation trenches ordrains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing etc. Depth of excavation not exceeding 1,500 mm.

Depth of excavation for additional depth beyond1,500 mm.and upto3,000 mm.but not requiring shoring.

Anti termite treatment to the top surface of the consolidated earth within plinth walls with chemical emulsion by admixing chloropyrofos emulsifiable concentrates (1% concentration) with water by weight at the rate of 5 Litres per sq. m. of the surface before sand bed or sub-grade is laid. Holes upto 50 mm. to 75 mm. deep at 150 mm. centre to centre both ways shall be made with 12 mm, diameter mild steel rod on the surface to facilitate saturation of the soil with the chemical emulsion. The work shall be carried out as per specification described in para 6.4 of code IS- 6313 (part -II) 1981. ( Mode of measurment will be per Sq.m of plan area of plinth treated.)

Filling in foundation or plinth by silver sand inlayers not exceeding 150 mm as directed and consolidating the same by thorough saturation withwater, ramming complete including the cost of supplyof sand. (payment to be made on measurement of finished quantity) Do - by fine sand (5th corri)

Earth work in filling in foundation trenches or plinthwith good earth, in layers not exceeding 150 mm.including watering and ramming etc. layer by layercomplete. (Payment to be made on the basis ofmeasurement of finished quantity of work) With earth obtained from excavation of foundation

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mmnominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes Pakur variety)

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. Pakur Variety

3rd floor