Provn of 1000KVA HT AVR for office areas, NFS node and OTM Accn at Sharifabad Mil Stn under AGE (I) CIF (K)

Amount

Supply, installation, testing and commissioning of HT Automatic voltage regulator 1000 KVA with input voltage 7KV to 12KV and output voltage 11 KV with plus or minus 1% variation 3 phase, 50 Hz, ONAN cooled oil immersed copper wound Outdoor HT-AVR ON-Load stepless rolling contact type suitable for balancing supply and unbalanced load complete including all incoming and outgoing cable connection, complete all as specified and directed. Note: Work to be executed as per manual and specifications of company. The unit consits of the following :- (a) Step down transformer double wound, star/Delta connected. (b) On load stepless rolling contact type regular, auto wound delta connected. (c) Booster transformer double wound open/open. (d) Authomatic control gear consists of :- (i) One electric relay. (ii) One reversing geared motor unit (iii) Two limit switches in order to avoid over running highest and lowest position,chain drive, coupling devices and all electrical connection.

Transformer parts item (a) & (c) above shall be housed in a sheet steel tank fitted with radiators and mounted on unidirectional rollers and shall have the following fittings : (i) Lifting lugs. (ii) Earthing terminals. (iii) Rating plate. (iv) Filter value top & bottom. (v) Oil fitting hole. (vi) Thermometer packet. (vii) Silicagel dehydrating breather. (viii) Oil level gauge. (ix) Conservator. (x) Dial type oil temperature indicator with alarm and contacts. (xi) Explosion vent. (xii) Bochholz relay with alarm and trip contacts. (xiii) Air release plug.

MOTOR CONTROL : Raise/Lower switches shall be provided to restrict the travel at extreme positions. With this arrangement it would also be possible to provide remote control of the regulating unit. The reversible geared motor would be of STEP-SYN type. AUTOMATIC CONTROL : For automatic corrections of fluctuating supply voltage we shall provide electronic relay which will sense the output voltage and provide signal to the driving motor for necessary corrections.Maximum termeratures rise (i) of oil by thermometer :50 degree centigrade (ii) of winding by resistance :55 degree centigrade (iii) of hot spot termperature indictor : 65 degree centigrade (iv) Limit of hot spot temperature indictor : 65 degree centigrade (v) Limit of hot spot temperature : 110 degree centigrade. Note :- Above rates are including 230 V Aux supply by 0.5 KVA UPS.

Supply, installation, testing and commissioning of HT 11 KV, 25KA 3sec, 350 MVA, 630 Amp, Indoor type, VCB horizonal drawout horizontal isolation floor mounting motorized panel with 230 V motor mechanism and 24V DC shunt/close coil with CT, PT and IDMT relay and other fittings and accessories, Complete all as specified and directed. FOR INCOMER PANEL:- (a) 11 KV 350 MVA horizontal drawout type vaccum circuit breaker comprising of following : (i) Vaccum interupt (ii) Motor/manual spring charging mechanizm-230 Volt AC (iii) Closing & tripping coil suitable for 24 Volt DC (iv) 4 ND + 4 NC auxiliary switch (v) Mechanical on/off indication (vi) Mechanical spring charge/discharge indication (vii) Breaker position indicator (viii)Mechanical operating counter (ix) Authomatic safety shutters (x) Secondary plug in contacts. (xi) Anti pumping relay.

(g) Miscellaneous items : (i) Trip/Neutral/Close switch (ii) Trip circuit healthy push button (iii) Fuse/MCB for spring charge motor (iv) Fuse/MCB for AC/DC supply (v) Panel space heater with thermostat (vi) Panel illumination with switch (vii) 5 Amp 3 Pin socket with switch (viii) copper bus bar : (aa) Bus bar (for earthing). (ix) Control fuses ferules and wiring (x) MS cubical with power coating (xi) Battery power pack with battery and inbuilt charger for 24 Volt circuit.

Supply, laying, jointing and testing XLPE insulated screened, PVC beded, galvanised steel strip or wire armoured electric powder cable heavy duty HT with aluminium conductor of size 240 Sqmm 3.0 Core in trenches, on poles, through pipes, fixed to walls etc complete all as specified and directed.

S&F heat shrinkable termination kit outdoor type suitable for XLPE HT cable 11000 Volts grade of size 240 Sqmm 3 core complete all as specified and directed.

S&F Heat shrinkable termination kit indoor type suitable for XLPE HT cable 11000 Volts grade of size 240 Sqmm 3 core complete all as specified and directed.

Supply and laying, testing and commissioning XLPE cable , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3 core 120 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing in different locations / areas complete all as specified and directed.

S&F cable jointing kit for 11KV grade cable for Outdoor termination Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode 600x600x6 mm thick burried directly in ground vertically to a depth not less than 2.25 mtr deep below GL with top edge of the plate not less than 1.5 mtr below normal GL and connected to earth plate surrounded by 15 cm thick packed layers of charcoal dust and common salt and connected to earth lead GI strip 32x6mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel and thimbles and other end of the earth wire connected to DB and protected by galvd iron or steel pipe light grade 15 mm bore and water pipe 20mm bore GI light grade with funnel and earth pit cover, including all necessary excavation and earth work PCC chamber in cement concrete 1:3:6 type C-2 and RCC cover and all as shown in electrical plate No 3 of MES schedule Pt I of 2009 complete all as specified and directed.

Supply and installation outdoor type gang operated Air break switch unit triple pole, mechanically operated, mounted on 12 nos insulator and steel frame,with opertaing mechanism suitable for working from ground level with GI pipe medium grade,25 mm dia for current rating upto 200 Amps and droup out fuse assembly fixed on insulator suitable for HT 11 KV out door type 200 Amp ( including suitable DO Fuse ) complete all as specified and directed.

S&F lightning arresters expulsion type complete with all fittings transmission class, discharge capacity 65 kilo amps, suitable for 11 KV all as direcetd.

Excavating in treches,not exc 1.5 m wide and not exc 1.5 mtr in depth for foundation, etc or for shafts,wells cesspits,manholes,pier holes etc not exc 10 Sqm on pan and exc 1.5 m in depth and getting out in hard/dense soil,complete all as specified and as directed.

Returning ,filling in including spreading ,levelling watering and well ramming in layers not exc 25 cm thick complete all as specified and directed.

Removing surplus excavated soil to a distance not exc.50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point ,complete all as specified and directed.

M&L for dry river sand laid in trenches for cable protection as 8 cm thick below the cable and 15 cm thick abov the cable,complete all as spceified and directed. Note:- Punned thickness of sand be measured & paid

Supplying and laying reinforced precast concrete cable cover, class EHV, type 1 with peak, size 450mm x 230mm x 50m,complete all as spceified and directed.

S&F 80 mm bore GI tubing ,light grade,laid in trenches,road crossing for cable protection or fixed to wal;s with clamps,complete all as specified and directed.

All as per Ser item No 16 here- in-before,but 100 mm bore pipe.

M&L For Road cutting for cable crossing and cutting with drilling machine ,not exceeding 0.45m wide X depth 0.90 metre with skilled labour and direction including making good the disturbed surface complete all as specified and directed.

Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m complete all as specified and directed.

vijay kumar gupta and co (BID ID -3297726)

M/s Lal Enterprises (BID ID -3297977)

M/S MARSHAL TRADERS (BID ID -3311451)

M/S Razdan Buildersand suppliers (BID ID -3297735)

G N Constructions (BID ID -3311340)

M/S Noor Mohammad Shalla (BID ID -3310720)

Electromech Engineers (BID ID -3310592)

JK BUILDERS AND ENGINEERS (BID ID -3297736)

M/S MARVEL ELECTRICALS (BID ID -3311353)