Provision of 40 KVA UPS for Academy Computer Lab at AFA Hyderabad

Amount

Supply, installation, testing & commissioning of UPS with three phase AC input 300 to 400 volts and output three phase 415 volts +/- 1% of capacity 40 KVA power factor (> 0.99) and sealed maintenance free battery bank for 60 Min back up complete all as specified and directed including following equipments:-

(a) Battery Rack -1 No

(b) Battery inter connecting links -1 No

(c) Battery to UPS cable

(d) Battery Fuses

(e) Battery rating 12 V/ 120 AH - 32 Nos

(f) The following feature to be provided :- (i) Unity output power Factor (ii) DSP Technology with IGBT based PFC and inverter section (iii) Smart LCD Display for Real-time information (iv) Active power Factor correction in all phase (v) 50Hz/60Hz Frequency converter mode (vi) ECO mode operation for energy saving (ECO) (vii)Emergency power off function (EPO) (viii) EMI protection Available(C3- Level) (ix) 3-Level IGBT inverter topology design maximizes efficiency (x) SNMP + USB+ RS-232 multiple communication available (xi) 3-stage extendable charging design for optimized battery performance (xii) Surge protection Available at Input (xiii) Adjustable Battery number for long-run model (xiv) Built-in Maintenance Bypass and static Bypass Switch (xv) Generator compatible

M&L for Earthing complete with copper earth plate electrode of size 600 x 600 x 3.15mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to copper strip of size 20X3 mm earth lead by means brazing after fixing of nuts, bolts, check nuts, washers of galvanised iron steel, protected by galvanized iron pipe 40mm bore (Medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x 10cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part I including testing on completion after taking down old earthing complete all complete as specified and directed.

Supply and fixing of Copper strip 20 x 3mm fixing on wall with saddles and screws etc.connected to test point complete all as directed.

Supply and fixing wiring for submain wiring alongwith 4 x 16 sq. mm +2 x16 sq. mm as earth wire of FR PVC insulated copper conductor, single core cable in surface/recessed in PVC casing caping including all accessories etc all as specified and as directed.

(i) Necessary PVC dummy plates & PVC rigid junction boxes for identifying junction as required on site/directed by Engr-in-charge shall deemed to be included in the quoted rate.

(ii) Same size wire shall be used for phase, neutral & earth conductor

(iii) The wiring shall be done strictly by following proper colour coding using red, yellow and blue only for phase, black for neutral and green for earth leads.

S&F, test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including3 nos. 8mm dia 25 mm long hex. head screw complete all as specified and directed.

S&F 63 Amp 4 Pole 415V 16KA MCCB including enclosure complete all as specified abd as directed.

Rallapati siva sai prasad

AKSHITA ELECTRICAL

Universal refrigeration and Engineering Company

S J REDDY