S.I.T.C of 1 No 500 KVA Transformer with cble for Projectd Building in the campus of Secretariat at Dhurwa, Ranchi.

Supplying outdoor type 500 KVA copper wound transfomer continuously rated for 3PH, 50 Hz at full load and temp, rese not exceeding 45c by thermometer in oil and 50c by the resistnace in winding after continuous run at full load rating. The transformer should have oil immersed winding having vector group DY 11, HT side connected in delta and LT side connected in star with netural brought out connected to provde sperate earthign, the transformer shall have power terminal arrangemetn, bushing/ cable end box on HT side and cable end box on L.T side, 2 nos channels with stoppers shall be proveded and fixed on the Provided plinth for outing the transformer the ptransormer should have following standard fittings, trnsformer shall be latest manufacturing standerds as per ammended is specifications and the laod and no lods losses shall be limited to values fiven below as per IS: 2026 or norms issued by SEB whcih ever are lower. Oil conservator wiht filling hole with cap and plain oil level gauge, silica gel dehydrating breather charged with silica gel, oil fitler valve, lifting eyes. hooks, Two earthing terminals, oil drain valve, digram and rating plate, air ven, expolosion vent, 100 mm dia thermo meter with thermomenter pocket four be directional plain roller

Making platform for 500KVA transformer with 1st class bricks in (1:4) Cemtn morter etc L.S

Pexcavation for foundation of making platform for 500 VKA Transformer etc LS

PCC concreting in (1:1:5:3) on top of plateform 15 cm thikness and 35 cm bottom of the Plateform L.S

1/2" cement plastering (1:4) cement sand etc L.S

Swaged steel tubular pole ( 410SP-49) of height 11 Mtr. Confirming to IS:2713 (Part II ) in three section with steel base size, bottom of the pole made of 50 mm dia MSB Clamp pipe welded to 300 mm long MS canopy of suitable dia at an angle of 102.5 suitable size of nuts and bolts including rating of one cost steel primer and two coat of read - oxide all complete as required. (Without Arm)

Erection of metallic pole of following length in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required.

Above 8.00 metre and upto 11.00 metre

Supplying and erection of 11 KV pin insulator complete with large steel head G.I pin nuts, washer etc as reqwd.

Supplying and ereection of galvanised stay set for 11 KV over head lines complete with 19/20 mm dia x 1.8 meter long stay road, anchor plate of size 45 cm x 45cm x 7.5 mm thick, thimble, stay clamps, turn buckle (20mm x 600mm) 7/4.00 mm dia G.I stay wire and 11 KV strain insulator etc in cement concrete 1:3:6 (1 cemtn : 3 coarse includgin excavation dn refilling etc as rqd.