Replacement of the existing filter media and damaged cable duct precast slab with new RCC slab in the switch yard of 110 22 -11 KV Marapalam Sub-Station, Electricity Department, Puducherry

Amount

Earth work in excavation by mechanical means (Hydraulic excavation) / manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10sqm on plan) including getting out and disposal of excavated earth, lead upto 50m and lift upto 1.5m - all kinds of soil

Supply of Quarry rubbish including stacking to department gauge for premeasurement and spreading required thickness

Providing and laying filter media using HBG metal of 40 mm size to a required thickness

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 (ISI BRAND OF APPROVED MAKE) Fe - 415 or more

Providing , hoisting and fixing upto plinth level for precast reinforced cement concrete slabs for drain cover slab of length varying upto 1.50m of various thickness including the cost of required centering, shuttering and finishing smooth with 6mm thick cement plaster 1:3 (1 cement 3 fine sand) on all faces except bottom of slab but excluding cost of reinforcement with 1:1.5:3 (1 cement: 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size)

A Patchaiyappan

Krishna kumar