Construction of foundation for 200 MVA transformer and its bay at 220 KV GSS Neemrana

Amount

Labour charges for spreading of available 20 to 63 mm nominal size hand/ crusher broken stone aggregates in uniform layer of 100 mm thickness in yard of any sustations with manual/ mechanical means, as per safety norms of substations complete in all respect with all lead and lift (payment shall be done as per stack measurement, after deduction of voids, as per norms).

Labour charges for collection of existing spreaded 20-63 mm nominal size Hand/crusher broken stone aggregate of any thickness from sub station yard by manual/mechanical means, as permitted by engineer-in-charge, with due cares, as per safety norms of sub station. This aggregate should be screened & stacked properly. Then this screened aggregates shall be laid in 100 mm thick layer in yard as directed, with due care with all lead, lift(Payment shall be done as per stack measurement, after deduction of voids, as per norms)

Supply & Fixing 30mm thick ferro cement RCC cable trench covers up to span 1200mm C:C grade M-30 having outer frame of M.S. flat 30x3mm and reinforcement consisting of 6mm dia M.S. round bar both way at the spacing of 8 to 10 cm C/C as required to adjust the spacing welded with outer frame and binding with binding wire in middle with two layers of G.I. wire mesh 12mm shape of 24 gauge including proper quantities of concrete additional admixture like plasticizer, bond improving compound etc. manufacture with vibro pressing system, 20% cover shall have lifting hooks of 10mm dia plain round bar to be fixed as directed. M.s flat/hooks exposed shall be painted with two coats of superior quality corrosion resistance paint. The above covers shall to take for live load of 2000 kg/sqm and minimum ultimate load of 3000 kg/sqm under defection not exceeding 1/25.

M/s Choudhary Contractor (BID ID -3152251)

M/s Choudhary Contractor (BID ID -3152251)