Extension of existing Control Room Building including electrification work at Jharia 33/11 kV Sub-Station under Kharagpur Division Paschim Medinipur Region, WBSEDCL

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m.

Dismantling R.C. floor, roof, beams etc.including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars. In ground floor including roof.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. (a) upto 150 mm. thick

Anti termite treatement 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 IS-6313 (part-II) 1981.(mode of measurement will be per Sq. m of plan area of plinth area).

Earthwork in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing, spreading or stacking the spoils within a lead of 75 Mtr. as directed. The item includes necessary trimming the side of trenches, leveling, dressing and ramming the bottom, bailing out water etc. as required complete. a) Depth of excavation not exceeding 1500 mm.

Earthwork in filling in foundation trenches or plinth with good earth in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. i) With earth obtained from excavation of foundation.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm. as directed and consolidating the same by thorough saturation with water ramming complete, including the cost of supply of sand. (Payment to be made in measurement of finished quantity.)

Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with powdered earth or local sand.

Cement concrete with graded stone ballast (40 mm. size) excluding shuttering in ground floor. a) 6: 3: 1 proportion.

Ordinary Cement Concrete (mix 1:2:4) with graded stone chips (20mm nominal size) excluding shuttering and reinforcement, if any, in ground floor, as per relevant IS code. i) Pakur variety.