PROVISION OF POWER SUPPLY AT RADAR STATION ARAKHKUDA SITE FOR CSN PHASE II AT DHQ 7 PARADIP

Amount

M&L for laying/fixing ,testing and comissioning 3 core XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured,electric power cables (heavy duty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 95 sq. mm complete all as specified and directed.

M&L for laying/fixing ,testing and comissioning 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 armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

M&L for laying/fixing ,testing and comissioning 3.5 core XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 120 sq. mm complete all as specified and directed.

Supply,installation and testing Trasformer step down 11/0.433KV with HT 3 phase and LT 3 phase 4 wire system copper wound with off load tap changing arrangements on HT side for a variation of secondary voltage +/- 7.5% in step of 2.5% continuous energy efficiency level 3, 200 KVA outdoor type confirming to IS 1180 with and including the cost of oil, testing with desired dielectric strength and including following:- (a) Lifting lugs hooks for transformer and tank. (b) Earthing terminal rating and digram plate. (c) Air release device. (d) Oil filling inlet pipe with plug. (e) Drain outlet pipe with brass gate valve with dummy plug. (f) Conservator with level gauge. (g) Silica gel breather. (h) First oil fill up to recommended level-2 by the manufacturer with new oil confirming to IS. (j) Type of connection : Delta/Star. (k)Type of cooling:ONAN (l)Vector Group : DYN 11. (l) Type connection arrangements : Cable termination boxes on both HT and LT side. (m) Temprature rise over an ambient of 50 degree centigrde maximum. (n) Provision of thermometre with pocket. (o) In addition to the above all standard fittings shall be provided as per IS norms. NOTE : Quoted Rate shall be deemed to included for fixing of transformer on existing 4 pole structure with required modification in 4 pole structure.

Supply and laying Galvanised Iron pipe 100 mm dia bore (light grade) with all fittings, in trenches for protection of under ground cable complete all as specified and directed.

M&L for earthing complete with galvanized steel earth plate 600x600x6 mm thick buried directly in ground (earth pit not less than 2.25 Mtr deep below normal ground level) with top edge of plate not less than 1.5 Mtr below normal ground level connected to galvanised iron strip 25×4mm as earthing lead by means of check nuts and washer of galvanized iron or steel including 40 mm dia GI pipe light grade upto 1.5 mtr below ground level for protection pipe ,excavation and earth work charcole dust, common salt PCC 1:3:6 type C-I using 20 mm stone aggregate for chamber and MS angle iron frame 40x40x3mm and RCC cover 40 mm thick (1:2:4) type BI using 20 mm graded stone aggregate reinforced with 8 mm dia TMT bars @ 75 mm c/c both ways with MS handle 12 mm dia, round ,PGI funnel and wire mesh, 20 mm dia GI pipe light grade for watering all as shown in Plate no 3 of SSR Part I of 2009 and connected to earth test point incl testing complete all as specified and directed . Note :- Cost of earthing strip & GI pipe 25mm up to 7.5 m shall be included in cost of above item.

S&F for GOD Triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps and 11 KV line complete all as specified and directed.

Excavation in trenches in soft/loose soil n.exc 1.5m wide and n. exc 1.5m depth getting out of soil for taking out or laying of pipe line etc complete all as specified and directedfor laying of cable, errection of poles, stay and pipe line, complete all as specified and directed.

Returning & filling including spreading, leveling watering and well ramming in layers n. exc 25 cm thick in any type of soil complete all as specified and directed.

Removal of surplus soil to a distance n. exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and directed.

M&L for laying of un-reinforced precast concrete cable cover, class HVP,type 1 with peak, size 250mm x 150mm x 40mmm locally available for cable protection cover laid flat and dry in trenches over the cable prependicular to the direction of cable complete all as specified and directed.

M&L for local sand coushioning with dry and clean over and under the cable for protection of cable , 80 mm sand laid before laying the cable 150 mm sand after laying the cable complete all as specified and directed. Note : Punned thickness shall be measured for payment

Supply, installation, testing and commissioning 3 phase and neutral, 415 volts out door type, factory made free standing, floor mounting, dust and vermin proof cubical type, LT Panel fabricated from 3.15 mm thick CRCA sheet with anti corrosive coating and finally epoxy polyester powder coating of flint Grey shade (RAL-7032), fully compartmentalized design with 4 Nos of copper bus bar of 200 Amps capacity each and supply and fixing the following :- Incoming (a) MCCB 400 A, 4 pole 36 KA-1 No (b) Ammeter 0-200 Amps 96 mm square digital type. (c ) Voltmeter digital type 96 mm square--500V -01 No Outgoing (a) MCCB 250 Amps , 4 pole, 415 Volts 25 KA - 02 (b) Timer switch complete with contactor, relays and timer for 10-20 amps - 01 No

Supply and fixing/laying the DWC pipe for cable protection in trenches of size 160mm outer dia and 135mm inner dia complete all as specified and directed.

Shree Ayyappa Engineering (BID ID -3079932)