dismantling of existing damaged rcc structures and provision of1 no of 230 kv ab switch (woe) plinth for providing new steel structures in 230 kv bus coupler of bus-iisolator at 230 kv myvadi ss under improvement schme by works contract => limited- 1 earth work excavation for foundation including all labour charges including initial lead,lift,etc.complete.hard rock by wedging and chiseling 2 dismantlingand clearing away of rcc plinth including labour charges, machineries etc., complete. 3 supplying and filling with m.sand for foundation and basement including cost of m-sand, filling chargesas per standard specification (watering & consolidation) with all leads and lifts as per standard specification, etc., complete. 4 plain cement concrete in cc 1:3:6, using 20mm hbg metal including cost of cement, all materials, labour charges including consolidation, curing, all leads, lifts, as per standard specification etc., complete. 5 plain cement concrete in c.c. 1:2 :4 mix using 20mm hb metal for plinth concrete including cost of cement and all materials, steel shuttering, labour, curing, lead, lift, vibration etc., complete. 6 labour charge for fixing template in correct level and alignment as per insructure of tantranscoengineer incharge including cost of labour ,lead,lift etc., complete 7 supplying and fabrication of 20mm dia grouting bolt as per approved drawing including cost ofgalvanaisation, thread and welding for extension ofbolt if necessary, all materials, labour, lead, lift etc., complete. 8 disposal of excess earth and there away in low lying area with a lead of 100m distance including cost of loading, transporting, spreading and levelling labour,lead, lift as directed tantransco engineer at site complete. 9 plastering wth cm 1:5, 20 mm thick, including cost of cement labour, curing all leads and lifts etc., complete as per standard specification 10 colour washing two coat of cement paint over one coat of cement primer of approved colour and quality including cost of all materials, labour charges etc complete. 11 sgst to be quoted in percentage (value alone)ex. 9%, it should be entered as 9 only for tamil nadu contractor. if the contractor is outside tamil nadu may be quoted as 0 only 12 cgst to be quoted in percentage (value alone)ex. 9%, it should be entered as 9 only for tamil nadu contractor. if the contractor is outside tamil nadu may be quoted as 0 only 13 inter-state gst to be quoted in percentage (value alone) ex. 18%, it should be entered as 18 only for other than tamil nadu contractor. if the contractor is within tamil nadu may be quoted as 0 only