Provn of servo voltage stabilizer 200 KVA for CT scan building at Suratgarh Mil Stn

Amount

Supply, Fixing and installing Sevro controlled Voltage stabilizer (confirming as as BIS : 9815 Part-I : 1994 reaffirmed 2009) 03 Phase, 50 Hz, Naturally Oil cooled, Indoor unbalanced type, copper wound, Digital display type, relay free smooth and silent operation with 1st filling of transformer Oil (IS 335 : 1993 reaffirmed 2005) having following specification :- (a) Input voltage 460 Volt to 480 Volt as per ground requirement. (b) Output voltage stabilized at any designed/ desired voltage 415+1% (Adjustable). (c) Rated frequency 50 Hz (d) No distortion in wave from (e) Response time not to exceed 10 mile second (f) Sensitivity (+)1% (g) Rate of correction 8 volt/second for single phase and 20 volt/second for phase to phase. (h) No load losses less than 05.% (j) Full load losses less than 2.5% (k) Duty cycle - continuous 24x7 (l) Efficiency more than 95% (m) Type of load : 3 phase, unbalanced type (n) Digital display voltmeter / Ampmeter (o) Capacity : 200 KVA (p) Over load / Short circuit protections (q) High / low voltage cut off (r) By pass arrangement in case of emergency (s) Single phase sequence change protection (t) Ingress protection (IP) upto IP42/IP45 Make:- Volina / Servokon System / Hindustan Power/Sinetrac.

M&L for Earthing to equipments / panels etc with & including galvanised mild steel earth plate electrode of size 60cm x 60cm x 6mm thick buried vertically in ground (earth pit not less than 2.25 m below normal ground level) with top edge of the earth plate at a depth not less than 1.5 m below ground level, the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides, connected to & including galvanized mild steel strip 25x4 mm as earth lead, including nuts, bolts, check nuts & washers of galvanized iron or steel and riveted/ welded to earth plate at one end and other end of strip connected to Panel / equipment body / test point with two Nos nuts bolts or welding with steel structure, GI earth strip encased in and including 40mm bore GI light grade pipe with all fittings from upper edges of earth plate upto 7.5 metre above ground level fixed with and including 25x3mm flat iron clamps, bolts, nuts and washer and also including providing watering pipe 20mm bore GI pipe medium grade from earth pit to top of electrode and including funnel, wire mesh, copper lugs etc complete with earth pit in PCC 1:3:6 type C1 using 20mm graded crushed stone aggregate and 40mm thick RCC (1:2:4 type B1) cover complete all as specified and shown in electrical plate No 3 of SSR Part-I including necessary excavation and earthwork in any type of soil, returning, filling in approved soil and disposal of surplus soil to a distance not exc 50m complete all as specified and as directed. Note : PCC chamber shall be constructed at least 1.5 mtr away from the earth electrode and pipe for watering shall be provided in slanting manner.

Supply, laying, jointing and testing LT XLPE insulated screened, bedded, galvanised steel strip or wire armoured heavy duty electric cable with aluminium stranded conductor 1100 Volt grade cross sectional area 300 sqmm 3.5 core confirming to IS-7098 (Part-I) fixed to wall or open trenches, through pipe, under floors or roads/ along poles etc complete all as specified and directed.

M&L for cable jointing kit for 1100 Volts grade cable for indoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 sqmm complete all as specified & as directed.

GURDEEP SINGH AND COMPANY (BID ID -3146608)

BHADU BUILDERS (BID ID -3135540)

M/s Rohit Construction Co. (BID ID -3138024)

AGGARSAIN BUILDERS (BID ID -3138514)