Repair and maintenance of Generators and providing generators supply to the various buildings library, lecture hall, auditorium, administrative block and street light including load sharing of the generators

Amount

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required including carriage of materials with in all leads, lifts, height and cost of all other incidentals.

Above 35 sq. mm and upto 95 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe /Cable tray as required including carriage of materials with in all leads, lifts, height and cost of all other incidentals.

Above 185 sq. mm and upto 400 sq. mm

Providing PVC insulated and PVC sheathed, armoured/XLPE power cable of following sizes of Havells/KEI/CCI/Plaza, working voltage 1100 volts including carriage of materials with in all leads, lifts, height and cost of all other incidentals.

3.5 core 95 Sqmm

3.5 core 400 Sq mm

Supplying and fixing MCCB of following rating 4 pole 550 volt 50 HZ of Legrand/SCHNEIDER-Acti 9/ SIEMENS-BETAGARD make with megnato thermal release i/c drilling holes on the board connections earthing the body as required with two sets of spreaders of following capacities including carriage of materials with in all leads, lifts, height and cost of all other incidentals.

630 Amps ,36 KA

400 Amp. 36 KA

250 Amp. 36 KA

Providing and fixing of Heat Shirnkable straight jointing kits suitable for PVC/XLPE cables of following rating including carriage of materials with in all leads, lifts, height and cost of all other incidentals.

3.5 core 400 sq mm

3.5 core 95 sq mm

Providing & installation of Contactor 4 plole 325 amps , coil 230 volt AC complete including installation testing and commissioning as required of L&T/Siemens/ABB make as approved by Engineer-in-charge including carriage of materials with in all leads, lifts, height and cost of all other incidentals.

Providing &installation ofContactor 4 ploe 200 Amps coil 230 volt AC complete including installation testing and commissioning as required of L&T/Siemens/ABB make as approved by Engineer-in-charge including carriage of materials with in all leads, lifts, height and cost of all other incidentals.

Providing, installation, testing and commissioning of MS Cubical panel made of 1.6 mm thick sheet suitale to accomodate twelve numbers Contactors ,4 pole ,325 Amps,8 Nos & 4 pole 200 Amps , 4 Nos ) and having automatic change over supply system in order to feed raw and DG set supply from 320 KVA Generator to the Auditorium building, Lecture hall building, Coroprate office building Street Light and Library ( Five location )having different individual metering & one Number system for future expension complete as required including provision to accomdate incommer MCCB 4 pole,630 Amps , 1 No Outgoing 4 pole ,400 Amps MCCB 4 Nos & 250 Amps 4 pole ,2 Nos , suitable bus bar 4 strip 600 Amps for DG supply as per drawing including cost of all accessories i.e. MS cubical panel, voltage monitoring relay, timers , axilary relays MCB, LED indicating lamp,bus bars ,control wiring,complete civil work including making trenches and fondation as required at site . to the best satisfaction with the following working conditions but excluding the cost of contactors 12 Nos as mentioned above.

On power failure load of the said buildings should change over to DG set with time Gap of 18 Sec sec to 180 sec for each building simultaneously after DG set supply comes into play.

Main and DG supply contactors should be Electrically at least tripple Interlocked to avoid misoperation.

Proper Indication lamps should be provided indicating outgoing raw & generator supply on each feeder.

All control wiring should be MCB protacted seperately

Three phase digital load monitoring on each outgoing feeder

After restoring the raw (main supply), the load of above building should be change over to main supply immideatly.

Voltage in both the cases i.e. Main & DG should be monitored with voltage monitor relays including carriage of materials with in all leads, lifts, height and cost of all other incidentals.

Providing & installation of Angle Iron frame arrangement made of angle iron section of 75mm x 75 mm ,to install six numbers three phase CT meters of different capacities .Arrangement must be such that it should have legs to be embedded in ground as directed by Engineer in charge,compete including installation of three phase energy meters,connectios as required including carriage of materials with in all leads, lifts, height and cost of all other incidentals.

SHARMA ELECTRICAL CO.

Anil Soni