attending repair and renewals of 630amps vcb servicing and replacing spares at karumagoundampalayam in tiruchengode municipality.- 1 removing of vcb burnout spares and cleaning for white petrol etc., 2 supply and delivery of aluminium flat (1” x 1/4”) (25 x 6.25mm) (twad sr 24-25 page-185) 3 supply and delivery of ht insulation tap. 4 supply and delivery of 230 v ht panel heater etc., 5 supply and delivery of ht cable joint kit 185 sqmm for indoor panel including jointing labour etc., 6 providing and laying in position standardised concrete mix m-20 grade in accordance with is 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all rcc items of works with minimum cement contenet of 325kg/ cum and maximum water cement ratio of 0.55 including admixture (plasticiser / super plasticiser) in recommended proportions as per is 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of crushed stone sand (m- sand), but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the rcc floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - [water board perivu road] 7 removing for old cable laying work. for laying in trenches inside the pump room orin air 90 to 240sqmm (twad sr 24-25 page- 126) 8 cable laying work. for laying in trenches inside the pump room orin air 90 to 240sqmm (twad sr 24-25 page- 126) 9 reerection and commisioning of work etc., 10 add gst 18%