ADDN ALTN TO EXISTING HT 11 KV FEEDER TO SAILORS MD ACCN AREA AT INS DRONACHARYA AND SPECIAL REPAIR REPLACEMENT OF HT 11 KV CABLE FROM POWER HOUSE TO SMA AREA SUBSTATION AT INS DRONACHARYA

Amount

Material and labour for taking down old HT 11 KV cable including cable jointing kits, old GI pipe, old cable cover etc complete all as directed.

Supply, laying and testing HT cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade, conforming to IS 7098 - Part II - 1985 of cross sectional area 185 Sq mm, 3 core complete all as specified and directed. Note : Cable joint, Jointing material, excavation etc shall be measured separately under respective items.

Supply and fix cable jointing kit for 11 KV (Earthed) grade cable for indoor termination, heat shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 185 Sqmm complete all as specified.

Supply and fix cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 185 Sqmm complete all as specified.

Excavation in trenches not exceeding 1.5 Mtr wide and not exceeding 1.5 Mtr in depth and getting out in soft / loose soil.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in soft / loose soil.

Removing excavated material not exceeding 50 Mtr and depositing where directed at a level not exceeding 1.5 Mtr above the starting point.

Providing sand cushioning with locally available dry sand including filling, spreading, levelling in layers in cable trench for protection of under ground cable. Note : Punned thickness shall be measured for payment.

Supply and laying 80 mm bore galvanised steel tubes with all fittings, light grade laid in trenches for cable protection.

Supply and laying un-reinforced precast concrete cable cover, class HV, type 1, size 300mm x 180mm x 40mm complete all as specified.

Supply and fix pre cast RCC cable route indicator of size 70 cm height x 30 cm wide x 05 cm thick tapered on top and embedded in ground up to 50cm depth at intervals not exceeding 30 Mtrs or as per the field requirement. The exposed portion shall be painted with non-washable paint of yellow colour and emposed with letters "HT CABLE 11 KV" and directions of cable and the same shall be paint with black paint complete all as directed.

Supply, installation, testing and commissioning of 11 KV, 630 Amp, 21 kA for 3 sec, outdoor type, motor operated, both side extensible, two way module consisting of two Nos Load Break Switch (one incomer and one outgoing) Ring Main Unit. All live parts enclosed in a robotically welded stainless steel tank with internal arc classification compiled to IEC 62271. Normal voltage 11 KV. Rated frequency 50 Hz. Copper busbars of 630 Amp rating. Temperature class -25 to +40 degree celsious outdoor. Degree of protection IP 67. Metal enclosed switchgear IEC 62271-200, General purpose switches IEC 60265-1, Disconnectors and earthing switches IEC 62271-102, Switch fuse combination IEC 62271-105, Circuit beakers IEC 62271-100, LBS module consisting of cable switch 12KV, 630 Amp, bushings outside cone interface C for connection of external busbars - 01 No. Manometer - 1 No. Snap action mechanisam for motor operation. Motor operation voltage DC 24 volt. Cable cover standard with interlocking. Short circuit and earth fault indicator. Capacitive voltage indication fixed type VPIS 9-15 KV. Aux switch for load break switch position 2 NO + 2 NC. Cable support bars with battery and battery charger complete with foundation as per OEM design and instruction. Note :- The cost of foundation and plinth for installation of RMU shall be deemed to be included in the quoted rate.

Material and labour for earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 metre deep below ground level) with top edge of the plate not less than 1.5 metre below normal ground level, steel earth plate connected with GI strip 32 x 6 mm by means of lug, bolts, nuts, check nuts, washers of galvanised iron or steel, GI protection pipe 40 mm bore light grade all as shown in elect plate No 3 on serial page No 497 of SSR part I - 2009 and connected to earthing test point all as specified or indicated including excavation, earth work, salt and charcoal dust mixed and packed 150 mm thick around GI earth plate, GI pipe medium grade 20 mm nominal bore watering pipe, GI sheet funnel, wire mesh, PCC pit, RCC cover 50 mm thick in PCC 1:2:4 type B1 duly reinforced with MS Bars 8 mm dia at the rate of 75 mm centre to centre both way with 12 mm dia lifting handle and pit / chamber in PCC 1:3:6 type C1 including testing on completion complete all as specified and directed.

National Electric Co

PHEJAYS AGENCIES

Toffy Construction

AR Traders