PROVN OF TRANSFORMER, VOLTAGE STABLIZER AND OTHER CONNECTED WORKS SERVICE AT SQN UNDER GE (AF) TECH AREA AT AF STN AGRA

Amount

Excavation in trenches not exceeding 1.5 Mtr wide and not exceeding 1.5 Mtr depth and getting out in soft / loose soil complete all as specified and directed.

Returning , filling in , including spreading , leveling, watering and well ramming in layers n.exc. 25cm thick in soft / loose soil complete all as specified and directed.

Removing surplus excavated materials n.exc.50mtr and depositing where directed at level n.exc 1.5 mtr above the starting point complete all as specified and directed

Material and labour for providing sand cushioning with dry fine sand including filling, spreading, levelling in layers in cable trench with approved quality of sand for protection of under ground cable complete all as specified and directed.

Supply & lay brick well burnt bricks sub-class 'B' locally available old size laid flat acres the length of trench for protection of cable complete all as directed.

Supply, laying, testing of Copper cable XLPE insulated, screened, PVC bedded,galvanised steel strip or wire , armoured heavy duty electric under ground LT cable 1100 volts grade with stranded Copper conductor of size 95 Sqmm 3 core.and laid in trenches/passing through pipe/ducts or on pole with Fixing arrangemant complete all as specified and directed.

Supply, laying, testing of cable XLPE insulated, screened, PVC bedded,galvanised steel strip or wire , armoured heavy duty electric under ground LT cable 1100 volts grade with stranded aluminium conductor of size 185 Sqmm 3.5 core.and laid in trenches/passing through pipe/ducts or on pole with Fixing arrangemant complete all as specified and directed.

Supply, install, testing and commissioning of Servo controlled voltage stabilizer of Capacity 160 KVA ( Confirming to BIS 9815:Part1 :1994) Three phase,50 Hz, Naturally Oil cooled , with outdoor canopy headed IP 55 protection class (( CPRI approved) unbalanced type, copper wound, metallic body duly powder coated with lifting Hooks two nos , digital display type, relay free smooth and silent operation with 1st filling of Transformer oil up to level and fixed on PCC platform of suitable size as directed by Engr -in-Charge having following specification:- (a)Input voltage 180V-280V, (b)Output voltage stabilized at any deigned/desired voltage 230 V +- 1% (c) Rated frequency 50 Hz (d) No distortion in wave form (e)Response time not to exceed 20 mille seconds (f) Sensitivity (+/-)1% (g) Rate of correction 8 Volt/second for single phase and 13 V/seconds for phase to phase (h) Efficiency more than 95% (i)Type of load : three phase , unbalanced type (j) Digital display Voltmeter/Ammeter Protections:- 1 Over load/Short Circuit protections 2 High/Low voltage cut off 3 By pass arrangement in case of emergency 4 Single phase sequence change protection 'Make :- Volina, Schneider,ABB

Supply Installation testing and commissioning of step down transformer capacity 160 KVA , Three phase ,50 Hz , outdoor, Copper wound , oil cooled ,'class of insulation A ,metallic body duly powder coated designed for input Voltage range '415+5% and output voltage range 230+5% , with first filling of transformer oil of requisitedielectric strength up to level , efficiency more than 95 % 'with all standard fittings like digital temperature meter , adequate number of cooling, radiators , lifting hooks one set , Earthing terminal two nos complete & Testing as per BIS 9815 and 2026 PCC foundation size for transform will be as per OEM recommendations & confirming to IE rules, The PCC shall be of 1:3:6 type C-2 using 40mm graded stone aggregate including plastering in cement mortar 1:4 to external surfaces of foundation & including providing leaving ducts of adequate size of HT & LT cables passing complete all as specified and directed. Make :- Schneider, ABB, Crompton

Supply, Fix & install MCCB with factory made sheet metal enclosure with provision of cable connection for incoming and outgoing complete all as specified and directed as mentioned below:- a) MCCB 400 Amps, 25KA , 4 pole with thermal magnetic release -01 No b) MCCB sheet steel enclosure 'A' Frame FP - 01 No

Material & labour for earthing with galvanised steel earth plate electrode 60cm x 60cm x 6.00mm thick burried directly in ground vertically at a depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 2.25 metre below normal ground level, earth plate surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using galvanised iron strip of 25x4 mm as earthin lead (upto the body of the equipment) by means of bolts, nuts, check nuts and washers made of galvanised iron and thimbles and protected by medium 40 mm dia GI pipe connected to main switch board or main control board or equipment and GI pipe medium grade 20mm bore for watering and including funnel, wire mesh, 40mm thick RCC pit cover reinforced with 8mm dia TMT bar at 75c/c both ways and lifting arrangement by providing handles (02 Nos) of 12mm dia MS round bar and PCC chamber pit with PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) including excavation and earth work in soft/loose soil, returning, filling in with excavated soil and disposal of surplus spoil to a distance not exceeding 50m and shown in electrical Plate No 3 of SSR 2009 (Part-I) complete all as specified and directed.

Excavating in post hole (or similar holes ) each not exceeding 0.5 Cum in soft/loose soil, including getting out, returning, filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25 cm, watering and removing surplus loil to a distance not exceeding 50 m and making good disturbed surface complete all as specified & directed.

M&L for Cement concrete in foundations, filling and mass concrete type D-2 1:4:8(using 40 mm grade stone agg) as in foundation filling and mass concrete complete all as specified and directed.

M & L for mild steel work as in posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 complete all as specified and as directed.

S & F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n exc 5cm long,diameter of neck 5 to 10 mm complete all as specified and as directed.

S&F framed work such as grills, gratings etc with ends of bars shouldered/ or riveted, or forged into spikes; framed guard bars; barred iron door; ladders' framed balusters; walkways; railings; framework of water tanks and similar work confirming to Fe-290 Gde-E-165 complete all as specified and as directed.

Supply only Chain link MS galvanised fencing , any size or type ( size of mesh and dia of wire as directed by Engr-in-charge)all as specified

Fixing only chain link fencing of any type fixed to RCC / steel post with mild steel flat & nut bolt etc complete all as specified and as directed.

S&F Round bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips and over as in strengthning bars for chain link fencing conforming to Fe-410-W (Gde E-250) Quality A or Fe-290 (Gde-E-165) complete all as specified and as directed.

M&L preparation of new steel and iron surfaces over 10cm in width or girth of any description and in any position and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

M&L for preparation for steel surfaces and applying two coats of synthetic enamel paint over a one coat of red oxide incl preparation of surfaces nexc 10cm width or girth

M/s M S Sharma and Co. (BID ID -3203852)

M/s SCHOLASTIC ENTERPRISES (BID ID -3202793)

Krishna Constructions (BID ID -3203884)

virendera singh (BID ID -3202820)

Allied Agencies (BID ID -3197861)