PROVN OF ELECTRIC SUPPLY TO GATE NO 1 AT DIPAC IN THE AREA OF AGE U ELECTRIC SUPPLY NO I UNDER GE U ELECTRIC SUPPLY DELHI CANTT 10

M&L for excavation in trenches in hard soil/disintegrated rock or any type of surface` not exc 1.5 mtrs wide and exc 1.5 mtr in depth for laying of pipe/ cables/ poles etc and getting out complete all as specified and directed by Engr-in-Charge.

M&L for returning, filling in, approved earth including spreading, levelling, watering and well ramming in layers n.exc 25 Cm thick after cable are laid and tested complete all as specified and directed by Engr-in-Charge.

M&L for removing excavated material / surplus soil to a distance not exc. 50 m & deposited where directed at a level not exc.1.5 mtr above the ground level complete all as specified and directed by Engr-in-Charge.

Supply, laying, jointing, testing and commissioning of LT underground cables of size 70 Sqmm 3.5 core, 1100 Volts grade, PVC insulated XLPE and PVC sheathed, galvanized steel strip or wire armoured, electric power cables (heavy duty) with multi-stranded aluminium conductors, IS-7098, Part-II marked, complete all as specified and directed by Engineer –in-charge. NOTE :- The quoted rate shall be deemed to be inclusive of cable lugs and glands of suitable size.

Supply and fixing of double wall corrugated, HDPE pipe for laying of electric cable of size 90mm outer dia and 76mm inner dia with IS : 16205 laid in trenches, wall, floor, pole including bends, sockets and other connected accessories complete all as specified and directed by Engineer –in-charge.

Supply, installation, testing and commissioning of outdoor cubical type LT panel board, CPRI approved, double door type suitable for 415V, 3 phase, 4 wire 50 Hz, AC supply system fabricated from CRCA sheet 3.15 mm thick totally enclosed, dust, weather & vermin proof, GI Sheet multifold design, chemically treated surface with multi tank process powder coating, with Confirming to IP 65 having TPN aluminium busbar of rating 1.5 times that of controlling MCCB supported on SMC insulators with short circuit withstand capacity 35 MVA for 1 second, bottom base channel of MS section not less than 100 mm x 50 mm x 5 mm thick, entire panel shall have a common aluminium earth bar of size 25 mm x 5 mm at the rear with 2 Nos earth stud, solid connections from main bus bar to switch gears with required size of copper bus bars and control wiring with minimum 1.5 sqmm PVC insulated coppe conductor cable, cable alleys, cable gland plates in two half, Digital multifuctional display meter, phase indication lamp & its connection and mounted on suitable PCC foundation with following controls complete all as specified and directed by Engineer –in-charge. INCOMING :- (a) MCCB 4 Pole 100 amp, 50 Hz, 415 V with reputing capacity 36 KA with (Icu=Ics), thermally adjustable between 60 to 100% - 01 No (b) Aluminium Busbar 150 amps - 01 set OUTGOING :- (a) MCCB 4 Pole 40 amp, 50 Hz, 415 V with reputing capacity 10 KA - 02 Nos (b) TPN 32 A, 415V 16KA 'C' curve miniature circuit breaker (MCB) - 3 Nos (c) Voltmeter Digital type 0-500 Volts range flush type with selector switch - 01 No (d) Digital type Ammeter with selector switch and CT coils of suitable capacity for incoming and each outgoing connection. (e) Copper wire 25 Sqmm 1 Core for connection between Bus Bar to outgoing TPN (f) Phase indicating lamps RYB for incoming and each outgoing connection. (g) Power Contactor of suitable size - 01 No (h) Digital Time Switch - 01 No

Supply and fixing of MCCB 4 Pole 100 amp, 50 Hz, 415 V with reputing capacity 36 KA with (Icu=Ics), thermally adjustable between 60 to 100% complete all as specified and directed by Engineer –in-charge.

M&L for earthing complete with galvanised steel earth plate electrode 60 cm x60 cm x 6 mm thick buried directly in ground, Earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level ,connected to and including galvanised iron earth strip 32 X 6 mm by means of nut, bolts, check nuts and washers of galvanised iron or steel and provision of charcoal dust and common salt packed all around the earth plate including necessary excavation and earth work in soft/loose soil and testing shown in electrical plate number 3 of MES SSR part-I (2009) complete all as specified and directed by Engineer –in-charge. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40mm bore GI pipe medium grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI lead wire and protection pipe up to 7.5 meter beyond the earth plates electrode.