Construction of New Compound wall along the revised alignment and demolition of existing compound wall along Sardar Patel road near Main Gate in IIT Madras Campus

Civil works

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means in (Hydraulic excavator) / manual means in foundation trenches or drain (not exceeding 1.5m 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 within a lead of 50m: all kinds of soil.

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

Boring, providing and installing cast in situ single under reamed piles of 300mm diameter with one bulb in M35 cement concrete, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of concrete M35, boring with bentonite solution and the length of the pile to be embedded in pile cap etc., all complete. (Length of pile for payment shall be measured up to the bottom of the pile cap). Minimum cement content 380kg/Cum

Supplying and filling in plinth with M-sand under floor including, watering, ramming consolidating and dressing etc., complete.

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achievethe desired density, complete as per specifications and directions of Engineer-in-Charge.

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/M-sand : 8 graded stone aggregate 40mm 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.

Centering and shuttering including strutting, propping etc. and removal of form work for foundation, bases of columns, walls (any thickness), lintels, beams, plinth beams, columns, pillars etc. complete.