Construction of foundation for 50 MVA transformer and its bay at 220 KV GSS Bhiwadi

(B-1/1.8) Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including taking out the excavated soil and depositing and refilling of jhiri with watering & ramming and disposal of surplus excavated soil as directed with in a lead of 50 meter. All kinds of soils

(B-1/1.6)Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30cm in depth. 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5 m , disposed earth to be levelled and neatly dressed : All kinds of soil

(B-1/1.1)Earth work in surface excavation not exceeding 30cm. in depth but exceeding 1.5 meter in width as well as10 Sqm on plan including disposal of excavated earth up to 50 Mtr. and lift up to 1.5 Mtr. disposed soil to be levelled and neatly dressed : All kinds of soil

(G-4/4.1.8) Disposal/carriage of earth including loading, unloading and transportation with in a lead of 3.0 Km complete as per direction of Engineer in charge.

(B-3/3.1.6) P&L in position Cement Concrete incl. Curing compaction etc. of specified Grade Excl. the cost of Centering & Shuttering all works up to Plinth level 1:4:8 (1 cement: 4 coarse sand : 8 graded stone aggregate 40mm nominal size)

(B-4/4.1) Providing and laying in position specified grade of cement concrete for all RCC structural elements upto plinth level including curing, compaction, finishing with rendering in cement sand mortar 1:3 (1 cement: 3 coarse sand) and making good the joints and cost of plastizers( if required) excluding the cost of centering, shuttering and reinforcement. M20 grade Nominal Mix / Design Mix

(B-4/4.9) Centering and Shuttering with plywood or steel sheets including strutting, propping bracing both ways and removal of formwork for foundation , footings, strap beam, raft , bases of columns etc.

(B-4/4.13.3) Providing and fabricating reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding (including cost of binding wire) all complete up to floor five level. ('Original producers' who manufacture billet directly from iron ores and roll the bilets to produce steel conforming to IS:1786) Thermo-mechanically Treated bars (Conforming of relevent IS code)

B-9/9.1.1 Structural steel work in single section fixed with or without connecting plate including cutting, hoisting ( height upto 10 m), fixing in position and applying a priming coat of approved steel primer all complete.

B-9/9.2 Structural steel work riveted, bolted or welded in built up sections, trusses and framed work , including cutting, hoisting (height up to 10 m), fixing In position and applying a priming coat of approved steel primer all complete: