Design supply installation laying testing and commission of power cable at tifr mumbai

Amount

Supply of 1.1kV grade, 4 Core, XLPE insulated, and overall sheathed, stranded aluminium conductor, flat steel strip/wire armored cables conforming to IS:7098/part I (with latest amendments) and for following size. The cable shall bear ISI certification mark.

4 Core x 50 Sq.mm

4 Core x 70 Sq.mm

4 Core x 120 Sq.mm

Laying of 4 core, 1.1kV grade XLPE cables, armoured aluminium conductor cables in existing trench, spun pipe and cable tray.

50 sq.mm X 4 runs on tray/trench

50 sq.mm X 2 run in tray/trench

70 sq.mm X 3 runs on tray /trench

70 sq.mm X 2 runs on tray /trench

120 sq.mm X 2 runs on tray

Laying of the cable in the ground (Into spun pipe) without digging work. (Please refer Civil works.)

50 sq.mm X 4 runs in ground

50 sq.mm X 2 runs in ground,

70 sq.mm X 3 runs in ground

End terminations of LT cables: Providing end terminations for 3.5 core, 1.1 kV grade XLPE insulated armoured, Aluminium conductor cables including supply of cable gland, lugs, neoprene bushes and other materials and tolls required complete with terminal connections, earthing of glands and as required and as directed by Engineer In-charge.

4 Core x 50 Sq.mm

4 Core x 70 Sq.mm

4 Core x 120 Sq.mm

Providing labour, material, Equipment’s for structural steel work at all level including supplying cutting, fabricating welding, erecting and fixing in position for concrete trenches including painting with primer of approved steel primer also includes cutting edge concrete grounding MS angle fastening.

Structural steel work at all levels in M S plain and chequred plates including, supplying, cutting, fabricating, Welding, erecting and fixing in position including painting with a primer coat of approved steel primer. Notes: Welding weights connection bolts, and nut shall not be measured for the payment but the cost of which shall be deemed to have been included in the rate.

Supplying & fixing 2mm hick GI Perforated type cable Trays of Asian /Profab Engineers make The cable tray shall be fixed to the ceiling/ wall with MS angle support with 35mmx2mm thick GI slotted 'C' channel Patti at an interval of 1 meter / or the MS angle iron fabricated support depending upon the location. The rate shall include the cost of Supports.

Cable Tray=150 mm wide x 50 mm height.

Cable Tray=300 mm wide x 50 mm height.

Fabrication, testing and supply of cubicle type floor mounted switch board fabricated from MS sheet (CRCA) suitable for 415V, 300A, 3 Phase, 4 wire, 50 Hz AC supply. Complete with earthing to frame switch (MCCB) switch door, cable alley as per the site requirement.

EARTH WORK Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : After laying cables ,the trench shall be refilled with sand and baked bricks on top and sides as per the specification.

All kinds of soil

Pipes, cables etc. exceeding 300 mm dia. but not exceeding 600 mm

Concrete work

1: 1 ½ : 3 ( 1 Cement: 1 ½ Coarse sand (zone III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 meters lead as per direction of Engineer-in-charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Disposal of building rubbish/malba/similar unserviceable dismantled or waste materials by mechanical means including, loading, transporting , unloading to approved municipal dumping ground or as approved by Engineer-In-Charge, beyond 50 meters initial lead, for all leads including all lifts involved.

Providing and laying non-pressure NP2 class (light duty R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement: 2 fine sand) including testing of joints etc. complete: 250 mm. Diameter

Constructing brick masonry manhole in cement mortar 1:4 (1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement :1.5 coarse sand ( zone-III): 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III): 8 graded stone aggregate 40 mm nominal size), including plastering 12 mm thick with cement mortar 1:3 4 (1 cement : 3 coarse sand )finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) finished with a floating coat of neat cement complete as per standard design: Inside 120 X 90 cm and 90 cm deep including CI cover with frame (medium duty ) 500 mm internal diameter, total weight of cover and frame to be not less than 116 kg (weight of cover 58 kg and weight of frame 58 kg ) :

Power Automation and Controls

Ramesh Electrical and Mechanical Works