PROVN OF400 KVA TRANSFORMER FOR JCOs/Ors MD ACCN AT GANDHINAGAR MIL STN PROVN OF400 KVA TRANSFORMER FOR JCOs/Ors MD ACCN AT GANDHINAGAR MIL STN

Amount

Supply, install, test and commissioning copper wound step down transformer outdoor type complete with standard fitting ,HT 11 KV 3 Phase ,LT 433 Volt 3 Phase 4 wire with off load tapping onprimary side to vary secondary voltage + 7.5 % with tapings at every 2.5 % rating of 400 KVA capacity (Energy efficent level- 2) The transformer shall be complete with all standard fitting and accessories gauges first fill of transformer oil upto appropriate level etc, all as per IS 1180 PART -I (2014) all jointing materials connected with elect system earthing etc complete incl platform as per manufacturer design all as specified and directed. comprising following ccessories : (a) One cable box HV side consisting of 3 nos porcelain terminal points incl nuts and washer with two nos cable gland suitable for up to 3 core 120 sqmm HT UG cable .

(b ) Suitable cable box LV side for mounting two LV cable consisting of 4 Nos porcelain with brass bushing rods , complete with nuts and washer with two nos cable gland suitable for LT UG cable providing with bimettalic lugs . ( c ) Oil conservator with filler type drain valve and oil level gauge. (d) Dehydrating breather with fast fill of dehydrating agent. (e) Explosion vents. (f) Thermometer pocket on tank cover incl thermometer. (g) Rating plate and terminal marking plate. (h) The earthing terminal two nos to tank to faciliate fixing to earth strip. (i) Oil level gauge. (j) Lifting lugs (k) Oil filling hole with cap / plug with connection plate complete. (l) Air relief valve plug. Make:- ITEL GURGAON,CG POWER & INFRA,VOLTAMP.

Supply & Laying and testing cable XLPE insulated screened PVC beded, galvanised steel strip or wire armoured, electric power cable heavy duty with stranded aluminium conductor,1100 Volts grade, of size 300 Sqmm, 3.5 core complete laid on wall / Pole all as directed.

M & L for earthing complete with galvanized iron earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m deep below normal ground connected to GI earth strip of 25 mmx4mm thick up to 7.5 m lengh by means of bolts nuts check nuts and washer of galvanized steel all as shown the electrical plate No 5 of SSR part-I connected to earth test point electrode , PCC pit with RCC cover funnel with mesh ,watering pipe 20mm dia GI medium grade etc and testing on completion all as specified and directed. Note:-The unit rate shall include for the unit rate shall incl for earth work in hard/ dense soil , PCC (1:3:6 ) type C1 chamber ,RCC 1:2:4 type B-1 cover 50 mm thick reinforced with 8 mmdia TMT bar @ 150 mm c/c both both ways funnel with watering pipe 20 mm dia medium grade GI protection pipe light grade 40 mm dia and wire mesh complete all as specified. Note. 2. Earthing strip and GI protection pipe beyond 7.5 m will be measured and paid separately if required.

Supply, Installing, testing and commissioning of factory made and tested outdoor type floor mounted LT panel board cubicle type suitable for 415 volts, 3 Phase 4 wire 50 Hz AC supply system having bus bar chamber with air insulated PVC sleeved aluminium of rating 900 Amps for phase and neutral installed on porcelain insulator . the panel shall be dust and vermin proof IP -54 Class protection and made out of 3.15 mm CRCA sheet and 40x40x6 mm thick MS angle iron frame work front and back opening type of adequate size for housing LT switchgear and measuring instruments duly powder coted after seven tank process on both sides incl internal wiring in the panel with suitable size of PVC multistanderd copper cable 1100 volt grade IS 694 and comprising of the followings items:- I/C:- (i) MCCB, 4 Pole ,630Amps 35/36 KA breaking capacity ,415 Volt ,50Hz with Thremal Magnetic Setting - 01 No (ii) LED indication lights RYB - 01 Set (iii) Panel mounted multifunction meter suitable to oprate on and incl CT in accuracy class 1.0, suitable 3 Phase CT network CT primary programmable up to 600 Amps, three line baklit display of phase to phase rating Phase to neutral voltage current active power KW ,KVAR and KVA ,PF Frequancy. BUS BARS:- 900 Amps. 4P aluminium bus bars (50 KV) OUT GOINGS:- (i) MCCB fixed thermal & magnatic setting with breaking capacity 25 KA 200 TP -02 Nos, (ii) MCCB fixed thermal & magnatic setting with breaking capacity 25 KA 160 TP -02 Nos. (iii) MCCB fixed thermal & magnatic setting with breaking capacity 25 KA 125 TP -01 Nos.

Electricals India