| 1 | Supply, Installation, Testing and Commissioing of outdoor type step down transformer 250 KVA, 11/0.433 KV, 3 Phase 50 Hz, ONAN Cooled Oil Immersed Copper wound complete with oil tank including first fill of ISI marked insulating oil up to top level, oil level indicater, breather with Silica gel, lifting hooks, drain valve, air vent valve, tackel wheel with channel and locking arrangement to put on the plinth with external cooling tubes, Core type, delta connected on primary side (HV) and star connected on secondary side LV) in accodance with vector symbol DYN-11 (vector Group-4) with neutral brought out on secondary side (LV Side) OFF load tap Changer with mannual voltage regulation 0.433 KV in suitable steps/position on HV side to give output of 0.433 KV on LV side and provision of following accessories and connecting with electrical system, earthing etc. including all jointing materials, all as per IS 1180-2014 (Part-1) and energy efficiency level-III including filling of trasformer oil having confirming to IS : 335-1993 of dyelectric strength more than 50KV and shall comprise of the following accessories as per manufactures complete all as specified and directed by Engineer-in-Charge :-
(a) 03 Nos porclain HT bushings with brass/gun metal bushingrods complete with nut and washers on primary(HV) side with arcing horn.
(b) 4 Nos porcelain bushings with brass/gun metal bushing rods complete with nut and washers on secondary(LV) side suitable for XLPE LT Cable | 1.00 | EACH JOB |
| 2 | Item No 1.00 Contd...:-
(c) Oil conservator with filter typedrain valve and oillevel gauge oil filter hole with caps/plugs and breather assemby.
(d) De-hydrating breather with first fill dehydration agent (Silica gel).
(e) Explosive vent.
(f) Thermometer pocket on tank cover.
(g) One No 100MM dia, dial type thermameter, vapour pressure type having range 0-120 degree celsius with metal guard having minimum perimeter reading temperature indicator with resisting device for transformer.
(h) Two earthing terminals to be provided diagonally on either side of transformer body to facilitate fixing of 50x6 mm galvanised iron earth strip for body earthing .
(j) Name plate and terminal marking .
(k) Oil drain filter valve.
(l) Lifting lugs.
(m) Oil filling hole with cap/plug with conservative tank.
(n) Four plain solid cast steel detachable rockters.
(o) Provision of 2 Nos danger boards 250/200 mm size made out of 1.6 mm thick plate, viterous enamele white, with letters figures of voltageand conventional skall and benes insignal red colours on frant side. The rear side of the plate also be enamelled.
(p) Any other fittings/accessories so as to confirm the whole transformer to 1180 : 2014.
(q) Off load changer of range (+) 7.5% to (-) 7.5% instep of 2.5% each, 7 steps..
Note :- Transformer to be incorporated in the work must necessarily have BIS certification, BEE star lebeling and a valid Type Test Report duly issued by NBL accredited BIS approved lab. | | |
| 3 | Supply, Installation, Testing and Commissioning of Capacitor panel board to adjust the capacity of 150 kvar capacitor bank cubical type suitable size depth not less than 0.60 M fatory made (CPRI approved), out door use double door , back side& front both side openabile in to two halve, inner door for individual controls, including suitable range of MCBs for Capacitor, contactor, APFC relay etc with locking arrangement made out of 3.15 mm thick CRCA Sheet supported on , 50 x 50 x 6 mm angle iron and Tee section frame dust and vermin proof,well ventelated with exhaust fan of suitable size complete, powder coated with aluminium bus bar 4 Nos, 300 Amps capacity duly PVC sleaved with colour coading mounted on porcelain insulators with suitable size of PVC insulated copper cable control wiring and lugs duly mounted on PCC foundation complete all as specified and directed by Engineer-in-Charge and including the followings Items :- (a) Capacitor Bank Heavy duty capacitor, low operating losses and high over current withstand capacity with 3 times rated current Cylindrical type step size-5X2+10X5+15X6 (150 kvar) capacitors.
(b) Indicating lamp LED type -Suitable Nos.
(c) Push button with NO/NC-Suitable Nos.
(d) Auto manual selector switch - 1 No.
(e) Suitable capacity CT's - 01 set
(f) Danger notice plate- 1 No.
(g) MCCB 315 Amps 36 kA 4 Pole adjustable type -01 No. (Icu = 100% Ics) | 1.00 | EACH JOB |
| 4 | M&L for Cross arms, bracings, channels, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and also including applying one under coat and one finishing coat of paint over a coat of primer complete all as specified and directed by Engineer-in-Charge. | 3.00 | QTL |
| 5 | M&L for switch air break gang operated triple pole mechanically operated,mounted on HT insulator (12 insulator type vertical type) and MS galvanised steel frame withn operated mechanism worked from ground level including operating rod for current rating up to 200 Amps 11000 volts complete with locking arrangement MS clamps,bolts and nuts and washers etc also including drop out explusion type of fuse barrels of required capacity to suit load at site including applying two coats of red oxide primer on MS work complete all as specified and directed by Engineer-in-Charge.
Note :- Channel, cross arms, bracings etc shall be measured and paid separately under relevant Items. | 1.00 | EACH |
