REPAIR MAINT OF EXTERNAL ELECTRIC LT INFRASTRUCTURE ALONGWITH CONNECTED ITEMS UNDER GE MIS MHOW

Repairing/overhauling of existing outdoor-type LT panel boards/feeder pillar boxes of any size/type, fixed on PCC blocks, including cleaning with compressed air; tightening of all electrical connections to bus bars and switchgear; refixing of loose doors with proper fixing and locking arrangements, including necessary welding work as required; replacement of worn-out/burnt/rusted/loose lugs, door locks, nuts, bolts, hinges, washers, and internal wiring with suitable size (minimum 1.5 sq mm) PVC insulated copper conductor wire; repair to PCC work as required at site; and including disconnection of all cables from the bus bar, insulating the naked portions of Al/Cu conductors, and reconnecting the same after repair of the panel, along with proper connection of the main earth wire/lead to the panel body using lugs, complete all as specified and directed.

Repairing/overhauling of existing indoor-type LT panel boards/bus bars/V-TPN DBs of any size/type, fixed on building walls, including cleaning with compressed air; tightening of all electrical connections to bus bars and switchgear; refixing of loose doors with proper fixing and locking arrangements, including necessary welding work as required; replacement of worn-out/burnt/rusted/loose lugs, door locks, nuts, bolts, hinges, washers, and internal wiring with suitable size (minimum 1.5 sq mm) PVC insulated copper conductor wire; repair to plaster work as required at site; and including disconnection of all cables/sub-mains from the bus bar, insulating the naked portions of Al/Cu conductors, and reconnecting the same after repair of the panel, along with proper connection of the main earth wire/lead to the panel body using lugs, complete all as specified and directed.

M&L for preparing doors of existing LT panels/feeder pillar boxes with locking arrangements and gaskets, made of 2 mm thick CRCA sheet, including hinges and necessary welding work, complete all as specified and directed.

Checking and identifying defects/fault points in LT/HT cables using a cable fault locator machine or by manual excavation, including taking out bricks from the trench up to the fault point along the cable route and re-laying the same using old bricks/sand, including refilling and making good the surface after rectification of the defect, complete all as specified and directed, for the following cable length:- (a) 0 -200 m

(b) 0 - 350 m Note for item No 4.00 and 4.01: The cable fault locator machine, along with all T&P required for identifying the fault location, shall be arranged by the contractor, and the cost thereof shall be deemed to be included in the unit rate for fault detection using the machine or manually as directed by the Engr-in-Charge .

Dismantling and taking out defective LT PVC/XLPE cables from trenches, including cutting and removing defective portions, and supply and making of cable joints using straight-through, cold-shrink type joints, including making connections of LT cables, megger testing, and restoration of electric supply, complete, including jointing materials, for the following sizes of cables. Joint :- (a) 25 sqmm 3.5 core to 95 sqmm, 3.5 core

(b) 120 sqmm 3.5 core to 300 sqmm 3.5 core

Disconnecting and dismantling of damaged/unserviceable cables of any type/make, and supply and laying (in replacement) of XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, heavy-duty 1100 volts grade electric power cables with stranded aluminium conductors, including providing and fixing lugs at both ends of the cable, wrapping PVC tape over XLPE insulation, and testing, complete all as specified and directed, for the following sizes:- (a) 25 Sqmm 4 core Note: Excavation and earthwork, sand cushioning, brick protection, and GI pipe (where required) shall be measured and paid for separately.

(b) 50 Sqmm 3.5 core

(c) 95 Sqmm 3.5 core