CWE/AF AMB/SAR-T28/2026-27 REPAIR AND MAINTENANCE OF 33 KV INFRASTRUCTURE AND OTHER CONNECTED ITEMS AT AF STN SARSAWA UNDER GE AF SARSAWA

Excavation in trenches, not exceeding 1.5mtr wide & not exceeding 1.5mtr in depth; for foundation, laying/taking out pipes/cables etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10sqm on plan & not exceeding 1.5mtr in depth and getting out, in soft/loose type soil complete all as specified & directed.

Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25cm thick each in soft/loose type soil complete all as specified & directed.

Removal of excavated surplus soil to a distance not exceeding 50 mtr & depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified & directed.

Material and labour sand cushioning to cable with a layer of sand 8 cm deep before laying the cable and 15 cm deep after laying the cable (punned down to 18 cm depth after laying and stretching of cable ) complete all as specified & directed.

Supply & laying un-reinforced precast concrete cable cover , Class HV type-1 flat, size 300mm x 180mm x 40mm, laid flat for protection of cable , adjacent to each other, perpendicular to central axis of electric cable complete including taking out old bricks all as specified & directed.

Material and labour for plain cement concrete (PCC) 1:4:8, type D-2, using 40 mm graded mechanically crushed stone aggregates as in foundations, filling and mass concrete etc. complete all as specified & directed.

Material and labour for plain cement concrete (PCC) 1:3:6, type C-2, using 40 mm graded mechanically crushed stone aggregates as in foundations, filling and mass concrete etc. complete all as specified & directed.

Material and labour for plain cement concrete (PCC) 1:2:4, type B-1, using 20 mm graded mechanically crushed stone aggregates as in coping to pole etc. including necessary formwork to exposed surface finished even & smooth complete all as specified & directed.

Supply, laying, jointing, testing & commissioning in replacement of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts (earthed), ISI marked with IS-7098 Part II with amendments upto date, size of cross sectional area 95 Sqmm, 3 core, laid as in trenches or fixed along the wall/pole or passing through pipes/ducts etc, complete all as specified & directed. Notes : (i) Cable shall be of manufacturing date not earlier than Jul 2025. All the cable shall be embossed with year of manufacturing, meterage at every metre, in addition to its own standard markings as per IS i.e. Size, voltage etc. (ii) Excavation & earth work, sand cushioning, protection pipes, end termination joints & protection covers shall be measured and paid separately.

Supply and fixing as in replacement cable jointing kit for 11 KV earthed grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE HT cable of size 120 sqmm to 185 sqmm complete all as specified & directed.