81419 PROVISION OF 11 KV RMU IN ATC SUBSTATION AT INS PARUNDU UNDER GE TIRUNELVELI

Amount

SCHEDULE 'A' PART-I [ EXTERNAL ELECTRIFICATION]

Supply ,install , testing and commisioning of 4 Way, Ring Main Unit , 11kV, 630A, 21kA, Motor operated, Compact, Outdoor, both side Extensible, Non drawout type, +VVVV+ (2Nos. fixed type motor operated Vacuum Circuit Breaker (VL) as incomer with castle key interlocks(In such a way that only one should operate at a time both electrical and manual method) and 2Nos. fixed type motor operated Vacuum Circuit Breaker (VL) as outgoing) compact gas insulated Ring Main Unit, All live parts enclosed in a robotically welded stainless steel tank of IP 67 class of protection with Battery,Battery charger, 4Nos Terminal Protector and SF6 gas density manometer with status. complete Note : The quoted rate shall include Unloading ,Erection,Testing and Commissioning Charges including civil works for mounting platform .

Supply, laying and testing of XLPE cables, insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor , 11KV of size 3.0 core 185 sqmm, complete all as specified and directed. Note : Excavation , earthwork, sand cushioning, PCC cover slab will be measured and paid seperately

Excavating in trenches, not exc 1.5m wide and not exc 1.5m in depth; for laying pipes and getting out in any type of soil, complete all as specified

Returning, filling, including spreading, levelling, watering and well ramming in layer not exceeding 25 cm each, hard/dense soil in trenches after the cables have been laid and tested complete all as specified and as directed.

Removing excavated soil to a distance not exceeding 50 metres and depositing where directed at level not exceeding 1.50 metre above the starting point complete all as specified and as directed.

Spreading, leveling of riddled earth obtained from trenches for cable cushioning on top and bottom of cable as specified.for cable protection complete all as specified and directed. (Note: Only punned thickness of riddled earth shall be measured)

Supplying and laying unreinforced precast concrete cable cover, class HV, type 1 ,flat, size 300mm x 180mm x 40mm complete all as specified and directed.

M & L for Cable Jointing Kit for 11 KV (Earthed) Grade cable for indoor termination, Heat shrink type, joint complete with jointing material and accessories suitable for 3 Core XLPE Armoured aluminium conductor cable of size 185 Sqmm complete all as specified and directed.

M & L for Cable Jointing Kit for 11 KV (Earthed) Grade cable for straight through termination, Heat shrink type, joint complete with jointing material and accessories suitable for 3 Core XLPE Armoured aluminium conductor cable of size 185 Sqmm complete all as specified and directed.

Supply , erection, testing of maintainance free chemical earthing of 3 meter deep with 150mm dia bore hole in any type of strata (soil/rock) & auguring boring shall be carried out with help of bore machine & installation of copper bonded rod and filling with backfill compound using CBR 203 250 copper bonded rod of dia 20 mm , length 3m , made of low carbon high tensile steel with copper plated (250+ microns) for preventing external corrosion, with top end connected with copper plated welded busbar terminal of dimension 150mm x 50mm x 6 mm , complete conforms to IS : 3043 - 1987 and carbon based, high conductive backfill compound 'Conductolite'(50KG per electrode to be filled around each electrode) with resistivity < 0.5 ohm-metre (In dry conditions) & resistivity is non-moisture dependant,pH Value : 8.0 - 9.0, electronic & ionic conduction, less susceptible to shrinkage,with hygroscopic & corrosion resistive properties and covering with heavy duty polyplastic earth pit chamber cover . necessary civil work i.e excavation including boring and earth work, filling etc in any of strata (soil/rock) , CI chamber etc complete all as specified and as directed by Eng-in-charge

Material and Labour for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe orfixed to poles or any other indicated situation for loop earthing etc. as required 20x3mm copper strip complete all as specified and as directed by the Engineer-in-Charge

PHEJAYS AGENCIES (BID ID -3132059)

M/S Mist Hills Enterprices (BID ID -3147015)

G K CONSTRUCTIONS (BID ID -3146562)