Supplying, Erecting, Testing and Commissioning of new 315 KVA transformer at Dadra Intakewell in DNH

SITC of outdoor type, three phase, oil immersed, distribution transformer of required KVA & voltage ratio, copper double wound, vector group -Dyn11, HV delta connected & LV star connected with neutral brought out connected to provide separate earthing terminals, bushing / cable box on HV side and cable box on LV side suitable for cables or bus duct as per requirement with standard fittings, conforming to IS: 1180 (Part-1) / 2014 with its latest amendment including first fill of transformer oil & following accessories. (a) Oil conservator with filling holes with cap and prismatic oil level gauge. (b) Silica Gel dehydrating breather charged with silica gel (c) Oil drain cum sampling valve with plug (d) Oil filter valve (e) Lifting Eyes / Hooks / Lugs (f) Two earthing terminal (g) Diagram and rating plate (h) Air release plug (i) Explosion vent with diaphragm (j) Thermometer pocket (k) Four bi-directional plain roller with base channel with hauling holes (l) Fixed / Separate type radiator banks (m) Off circuit externally operated tapping switch (For rating < 1000 kVA) (n) 100 mm stem type oil temperature indicator (For rating < 500 kVA) (o) Bucholtz relay with shut off valve (For rating ≥ 500 KVA) (p) 150 mm dial type oil temperature indicator with Alarm / Trip contact (For rating ≥ 500 kVA) (q) 150 mm dial type winding temperature indicator with Alarm / Tip contact (For rating ≥ 1000 kVA) (r) Marshalling box (For rating ≥ 500 kVA) (s) 150 mm dia. magnetic type oil gauge (For rating ≥ 1600 kVA) (t) Inspection cover & Jacking lugs (For rating ≥ 1600 kVA) For transformer having oil storage capacity for 2000 liters and higher, nitrogen injection fire protection system (NIFPS) is to be provided. With on load tap changer +10% to -10% steps of 1.25% with RTCC & AVR. Voltage Ratio (kV) (11/0.433)Eff. Level-3, Rating (kVA) 315, Maximum Total Losses (kW) @ 50% Load / @ 100% Load / % Impedance-0.95/ 2.75/ 4.5

Casting of transformer plinth / foundation including oil soak pit (where required) in situ reinforced cement concrete in M 20 using granite, quartzite trap metal of size 6 mm to 20 mm for RCC work including providing of 53 grade cement & Fe 415 grade TMT bars, scaffolding, centering, form work, curing etc. complete.RCC plinth / foundation for transformer of capacity >315 & ≤ 630 KVA. Transformer Rating (kVA) 315, Plinth Dimensions (L x W x H) 1500x1500x 1500

Supply erection, Testing and Commissioning of LT Distribution Box, 800 A, 5 Circuit with SFU and HRC Fuse including all necessecar equipments- as per site requirement and as directed by Engineer in charge

Supply, laying, testing & commissioning 11 / 11 kV (UE) grade, XLPE insulated, stranded Aluminium conductor, galvanised steel flat strip / round wire armoured, extruded PVC type ST2 sheathed, heavy duty cable (to be laid on wall surface with necessary clamps / in existing cable trench / cable trays / conduit / pipe sleeves at road crossing or floor as per site requirement) conforming to IS: 7098 (Part-2) & IEC: 60502(Part-2), of following sizes: 3 Core x 150 Sqmm

Supply, laying, testing & commissioning of 1.1 kV grade, XLPE insulated, stranded Aluminium conductor, galvanised steel flat strip / round wire armoured, extruded PVC type ST2 sheathed, heavy duty cable (to be laid on wall surface with necessary clamps / in existing cable trench / cable trays / conduit / pipe sleeves at road crossing or floor as per site requirement) conforming to IS: 7098 (Part-1) & IEC: 60502 (Part-1) of following sizes: 3.5 Core x 300 Sqmm (2 set of 400 Mtr.)

Supply, laying, testing & commissioning of VCB including CT/PT unit- LBS panel with all necessary meters, cables, modem etc. all Included.- as per site requirement and as directed by engineer in charge

Supply, laying, testing & commissioning of Galvanized Iron (GI) Earthing for Transfromer and panels including all necessary material and work, as per site requirement and as directed by engineer in charge

Supply, laying, testing & commissioning of copper Earthing for Transfromer and panels including all necessary material and work, as per site requirement and as directed by engineer in charge

Supply, laying & installation of FRP Fencing with door unit including civil work

Providing & fitting heat shrink cable termination / jointing kits for 1.1kV grade PVC/ XLPE insulated cable including necessary earth connectivity connection, material & consummables making the termination/ joint complete ensuring the joint resistance is within the permissble limit as per IS, of following types & sizes: Indoor / Outdoor End Termination Kit- 3.5C, 185 to 300 sq mm