Replacement of 11/0.433 kV station transformers at 132 kV MRS in RRCAT, Indore

Amount

Supply, installation, testing and commissioning 200 kVA, 11/0.433 kV resin cast dry type transformer as per tender technical specifications. The scope shall also include disconnection, removal and shifting of existing transformer within RRCAT campus.

Removal of already installed 3 / 3.5 core 240 / 400 / 300 sq. mm H.T /LT electrical power cables including disconnection of end termination, excavation, rewinding and stroring within the RRCAT Campus as per tender technical specifications.

From Ground

From trench

Removal of already installed 3 / 3.5 Core 185 / 150 /120 / 95 sq. mm HT / L.T electrical power cables including disconnection of end termination, excavation, rewinding and stroring within the RRCAT Campus as per tender technical specifications.

From Ground

From trench

Only, Installation, testing and commissioning of 3 core 240 sq. mm aluminium conductor,11 kV XLPE insulated, FRLS PVC sheathed armoured cable as per tender technical specifications.

In Ground: Cable shall be laid in ground at a depth of 1100 mm below FGL, including excavation in all types of soil, soft rock, hard rock supply and laying of fine sand cushion all around the cable, bricks along both the sides of the cables and 300 x 150 x 32 mm pre-cast RCC tiles over the bricks tied with binding wire, backfilling of the trench and disposal of excess material in the RRCAT Campus. The cable shall be laid as per teneder technical specification.

In trench: Cable shall be laid on existing supports as per tender technical specifications.

Only installation testing and commissioning of 3.5 Core 240 sq. mm aluminum conductor 1100 Voltage Grade, XLPE insulated, FRLS PVC sheathed armoured cable as per tender technical specifications.

In Ground: Cable shall be installed 900 mm below in ground including excavation, sand cushioning, protective covering and refilling the trench, compacting, leveling the trench, removing the excess soil etc. This shall also include pulling through hume pipe already installed in ground, opening of it's end and closing etc. as per site requirements. Top Brick for the protective covering will be laid across the length of the cable for the sizes 35 sq. mm and above. Tender technical specifications shall be follwed for installation of cable.

In trench: Cable shall be installed on wall / trench by supply and fixing of clamps and other required hardware. The cable shall have identification tags at every 20 mtr. interval (except ground), bends, entry and exit of pipes/trench as well as termination points as per tenedr technical specifications.

Supply, installation, testing and commissioning of end joint of 3 core 240 sq. mm 11KV (E) Grade, XLPE insulated cable by using appropriate jointing kit as per tender technical specifications.

Supply, installation, testing and commissioning of end termination of 3.5 core 240 sq. mm aluminium conductor 1100 Voltage Grade XLPE insulated armoured power cable by using double compression type nickel plated brass gland, aluminium lugs and earth clamps duly connected to the equipment ground through GI / Copper conductor as per tender technical specifications.

Supply and installation of G.I strip of required sizes under ground at a depth of 600mm from FGL including excavation, black bitumin painting, backfilling and consolidation of soil. Installation shall also be included along cable trays / walls using G.I Clamps at interval. Tender technical specifications shall be followed.

MS fabrication: Fabrication, supply and installation of MS Sheet steel fabricated and channel / angle stiffened articles like Panel and M.S Boxes with complete chemical and mechanical process on M.S Sheet or angle etc. Powder coating, rubber gasket, locking arrangement, earthing bolt etc. will be provided as per tender technical specifications.

Providing and laying in position Reinforced Cement concrete of M-20 grade at all heights using graded stone aggregrate 20mm max. size including machine mixing, consolidation, mechnical vibration, finishing, curing , cost of labour & machineries etc. complete as per specifications but excluding formwork ,shutting and steel reinforcement. Suitable for foundation, footing, plinth beams, base of columns and flooring as per tender technical specifications.

Supply and uniform spreading of 40 mm aggregrate size gravel (metal) in elctrical subsation, switchyard/ transformer yard as per tender technical specifications.

FLASHCUNSULTANT & CONTRACTOR

RAJESH GAWDE