E Tender for Carrying out Dyuthi HT Works under Electrical Section Muttil and Meppady for the year 2025-26 - 1 STANDARDISATION OF TRANSFORMER STRUCTURE ES Muttil 2 STANDERDISATION OF TRANSFORMER UNDER ES MEPPADI PARTII Labour Contract

DESCRIPTION OF WORK ITEMS

Providing Transformer fencing to a height of 1.8 m above ground level using MS Angle frames of size ISA 50x50x6mm for outer frame, 2 runs of 40 x 6 MS flat for horizondal brasing and grills with MS rods 8 mm Dia @ 10cm c/c for verticals, providing gate with locking arrangements, providing danger board & name board, embeding the legs in cement concrete 1:2:4, footing of size 30cmx30cmx50cm, painting with synthetic enamel paint two coats over one coat of iron primer etc complete, incl cost of transportation

Cleaning and levelling of transformer yard/RMU, spreading 40 mm broken stone in yard for a thickness of 10 cm above bed of 10 cm thick 6 mm broken stone, after constructing a curb wall of height 20cm above ground and 10cm below level including cost of all materials and charges for conveying, spreading, consolidating etc.

Providing concrete muffing of size 0.45x0. 45x1.5m (0.5m above GL and 1m below GL). Excavation 0.45x0.45x1m, concrete (1:3:6, 20mm) 0.45x0.45x1.5m, Plastering (1:3) 12mm 0.45x0.45mx5sides.

Installing one DTR Meter with box (normal size 40x25x100cm) on existing poles including fixing of 3 CTs on bus bar, laying and termination of control cable using proper lugs, fixing of meters, capacitors, control fuses and giving the complete connections including conveyance of materials.

Providing one Earth using GI earth pipe of size 38.1mm dia, 2.5m length including digging separate pit (0.45x0.45x2.5m) at standard distance (1.5m) away from the pole/structure in ordinary soil & backfilling the pit with 15cm alternate layer of charcoal, salt and sand up to 90cm from the bottom. including the cost of 20kg salt, 25kg charcoal, excluding supply of earth pipe.

Labour charges for loading HT A type pole from the stacking place and unloading the same at work site (transportation by any vehicle).

Renewing one damaged PSC/RCC Transformer DP structure with a new A type Transformer DP including excavation, dismantling accessories like AB switch, DO fuse, LA, LT fuses, HT, LT and earth connections, dismantling existing Transformer, keeping it in safe custody and re erecting all accessories including Transformer on the new DP as per standards and drawing sufficient length of GI earthing leads to the ground for earthing, excluding renewal of pipe earthing.

Transporting poles by hired vehicle to a distance upto 5km and carrying upto 4 numbers of poles excluding loading& unloading charges.

Providing one Coil Earth using No.8 GI-earth wire (50mm dia, 115 turns) including digging separate pit (0.45x0.45x1.5m) at standard distance away from the pole/structure in ordinary soil & backfilling.