Annual Maintenance contract for attending complaints and minor project works in IITM Discovery Campus at Thaiyur for the 2023-2024

Amount

Attending day to day maintenance of HT/ LT equipments, break down work, fuse of calls, emergency faults, major break down inside the entire campus including street lights on round the clock service on shift duty work with the following designated staff. (Shift Duty: 2 shifts/day) 1 No Supervisor cum Electrician with valid C License and 1 No helper in each shift and total two shifts in a day. The Supervisor cum Electrician and helper should have minimum three years experience in O & M of Substations up to 11 kV Supply System . Shift Duty time: 6 am to 2 pm & 2pm to 10 pm.(For all days incuding govement holidays).

Removing the following sizes LT UG cable of size up to 3.5c x400 sq.mm from the existing trench of 75cm depth including earth work excavation in all soils and sub soils for identifying the faults and relaying the same cable / other cable in the trench, sand filling and brick cover protection of the cable using existing burnt bricks/ removed RCC troughs etc and back filling. consolidated etc as required.

Supplying& Laying of following sizes PVC XLPE insulated alu. Conductor armored 1100V LTUG cable in a 50 mm to 100 mm dia HDPE DWC pipe in a trench of 50cm wide and 75cm depth including earth work excavation in all soils and sub soils and back filling, consolidated in a regular interval of 25cm thick rammed and complying with standard specification.cable identification on both side with aluminium cable tags.

3.5c x 35 sq.mm XLPE insulated armoured aluminium cable.

3.5c x 150 sq.mm XLPE insulated armoured aluminium cable

3.5c x 240 sq.mm XLPE insulated armoured aluminium cable.

3.5c x 400 sq.mm XLPE insulated armoured aluminium cable

Supplying and making end termination for following sizes alu. Conductor LT UG cable using suitable compression gland with required copper ferulles / socket and other jointing materials

3.5c x 35 sq.mm

3.5c x 150 sq.mm

3.5c x 240 sq.mm

3.5c x 400 sq.mm

Supplying and making straight thro cable joint for following sizes aluminium or copper Conductor LT UG cable using Heat Shrinkable /cast resin materials ( M-Seal-3M or RPG) with required copper ferulles / socket and other jointing materials.

3.5 core 35 sq.mm ( cast resin)

3.5 core 150 sq.mm ( Heat Shrinkable)

3.5 core 240 sq.mm ( Heat Shrinkable)

3.5 core 300/ 400 sq.mm ( Heat Shrinkable)

Labour charges for making temporary connections to pump motors / streetlights / Residential buildings in case of existing cable failure by laying copper / aluminium wires from the nearest source of supply. (Necessary wires has to be supplied by the contractors and removed after making permanent connections)

Supplying of following accessories for replacement in item no.1 and when required during the contract period.

60W LED fitting DC Drive( XO75C070V107FNYIB0 OR EQUIVALENT IN Aspproved make)

90W LED fitting DC Drive(X100CO70VI43FNYIB0 OR EQUIVALENT IN PHILIPS)

Surge protectors for LED fittings ( SRPSQ-10kV/5kA-440 10kV OR EQUIVALENT IN approved make)

60w Street light LED fitting complete set with built in Drive. ( CRP-409-60-57-SL-GL-NSG OR EQIVALENT IN approved make)

90w Street light LED fitting complete set with built in Drive. ( CRP-404-90-57-SLGL-NSG OR EQIVALENT IN Approved make)

100w Flood light LED fitting complete set with built in Drive.( LHB-100-CDL-60/M or equivalent in approved make)

Crompton Make LDLSRN24-CDL Model 1200 x 24 W LED Battern 3000K/ 6500k or equivalent in Approved make

18W LED Surface / Recessed mounting fitting complete set. Crompton make Model LCDSPLN-R-18CDL Square or Round or eqivalent in Approved make

Point wiring in PVC conduit, with modular type switch/regulator wiring for light point/ fan point/ exhaust fan point/ call bell point/ 6 amps switched socket with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface/ recessed PVC conduit, with modular switch, modular plate, suitable GI / PVC box, ceiling rose, round block and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc as required and instructed by the engineer incharge.1.10.3 Group C

Supplying and fixing of following modular switch/ socket on a modular plate & G I /PVC switch box including connections as required

6 amps. socket controlled by 6 amps. one way switch.

6/16 amps. socket controlled by 16 amps. one way switch.

Wiring for circuit/submain wiring along with earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface /recessed medium class PVC conduit as required (1.14)

2 runs of 1.5 sq.mm and 1 run of 1.5 sqmm cable.

2 runs of 2.5 sq.mm and 1 run of 2.5 sqmm cable.

2 runs of 4.0 sq.mm and 1 run of 4 sq.mm cable.

Earthing with copper earth plate 600x600x3mmthick including acessories and providing masonary enclosure with cover plate having locking arrangement and watering pipe of 2.7m long etc with charcoal/coke and salt as required.

Earthing with GI earth plate 600x600x6 mmthick including acessories and providing masonary enclosure with cover plate having locking arrangement and watering pipe of 2.7m long etc with charcoal/coke and salt as required.

SITC of Chemical Earthing -copper bonded solid rod 25mm dia earth electrode with ,3 metre length with 50Kg high conductive earthing compound including all acessories and providing HDPE round earth pit chamber and cover (300MMx350MM) with cover plate having locking arrangement as instructed by engineer incharge.(make: cikit,infinite, Ashlok).

Supplying and laying of following size earth flats at 0.50 mt below the earth including soldering/welding as required

Single run of 16 sqmm multistranted copper wire in a suitable PVC pipe and clamps

25 x 5mm copper flat

25 x 5mm GI flat

50 x 6 mm GI Flat

Supplying and replacing of 220V AC indication LED lamps as instructed by the Engineer incharge.

Testing of earth electrodes using necessary testing equipment and improve the earth by excavating the soil and sub soil and refilling the same with alternate layer of charcoal/coke and salt if required. The values are to be entered in a seperate register and submitted to the Engineer incharge . The work should be inclusive of replacement of bolts and nuts, white washing the masonary pedastals , paint marking the earth values, date of testing done , due date for the next test and pit number on the enclosures and also inside the earth pit.

Supplying and replacing of silica Gel for the Power/ Distribution transformer breathers

Supplying and replacing of mineral oil suitable Power/ Distribution transformer as per IS 335/1993

Madras Power Corporation

Immanuel Electricals

Delhi Electrical Construction