PROVN OF EXTERNAL ELECTRIFICATION OF BATTERY CHARGING OF ELECTRIC BUS AT EASTERN COMD SIG REGIMENT MT UNDER GE (FW) KOLKATA

Excavation in trenches not exc 1.5 mtr width and not exce 1.5 mtr in depth in soft/loose soil and getting complete all as specified and as directed.

M&L for sand cushioning /sand covering for underground cable protection and consolidated and compacted with clean dry sand complete all as specified and as directed.

M&L un-reinforced precast concrete cable cover, class HVP, Type 1 with peak, size 300mm x 180mm x 40mm laid in trenches above sand cushioning for cable protection complete all as specified and as directed.

Returning, filling in including spreading levelling watering and well ramming in layers n.exc 25 thick for soft/loose soil complete all as specified and as directed.

Removal of excavated material to a disance n.exc 50 mtr and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed.

Supply & laying in Trenches Sub-class ‘B’ Bricks, kiln burnt, for Cable Protection, complete all as specified and as directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 6.6 KV (E), of size 95 Sqmm, 3 core complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 240 sq 3½ core complete all as specified and directed.

M&L for Galvanised Steel Tubing Pipe 100 mm bore (dia), light grade with Bends, laid in Trenches or under Roads/ Flooring/Culverts etc., complete all as specified and as directed.

Excavation/Cutting Road/ Hardstanding in Trenches not exc. 1.00 Meter wide and not exc. 1.00 Meter in depth and getting out, complete all as specified and as directed.

Material and labour for PCC (1:2:4) type B-1 using 20 mm graded crushed stone aggregate complete all as specified and directed.

S&F Cable Route Indicator for HT Cable with GI Pipe 50mm bore (dia) having 1.20 Metre long 'light grade' showing MES HT Cable/HT Joint and Voltage including necessary Earth Work and Cement Concrete 1:2:4 (20mm graded crushed stone aggregates) Block of size 20x20x20 Cm including Taking out Unserviceable Cable Route Indicator, complete all as specified and as directed.

M&L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and as directed.

M&L for Cable jointing kit for 6.6 KV (E) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and as directed.

M&L for Cable jointing kit for 6.6KV (E) grade cable for indoor/ outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and as directed.

Supply, Installation, Testing & Commissioning of transformer Oil Natural Air Natural (ONAN) Cooled, Oil Immersed Copper Wound Outdoor type, Step Down, Energy Efficient type complete with first filling of IS : 335 ISI marked filtered & dehydrated transformer oil and other standard fittings/ accessories as per particular specifications and seven position off circuit tap changer (tapping range + 7.5% in steps of 2.5% each) with vector group Dyn - 11 with HV & LV cable boxes with cable glands as per cable sizes as per site requirement, HT 6.6 KV 3 Phase, LT 433 volts, 3 Phase 4 wire 50 Hz, EEL-2 (star rating) of IS : 1180 : 2014 (With its amendment No 4 dated Mar 2021 to IS 1180-2014) of capacity 315 KVA complete all as specified.NOTE :(i) Pre dispatch inspection of Transformers and VCBs shall be carried out by detailed representative of accepting officer at manufacturer premises with overall cost quoted by the contractor. Nothing extra shall be payable on this account at later stage. (ii) After installation of the transformer and VCBs the same shall also be tested by SEI/EI. All the equipment/instrument shall be arranged by the Contractor for testing. The cost of the same shall also be included in the same. Make; VOLTMAP/ABB/BHEL/AREVA(T&D)/CROMPTON GREAVES

Supply and installation, commissioning of RMU,4 way, 6.6 KV, 630A, 21kA for 3sec, SF6 Gas Insulated, Outdoor, Extensible Type Compact Switchgear with 1 Nos Motor Operated Load Break Switches for Incoming , 3 Nos. Motor Operated Vacuum Circuit Breaker as Outgoing, (Configuration CVVV+) . Make ABB /Siemens/Crompton Greaves/Bhel/Areva/Kirloskar

STANDARDS AND MECHANICAL DATA Metal Enclosed switchgear: IEC 62271-200 General Purpose switches: IEC 60265-1 Disconnectors and Earthing switches: IEC 62271-102 Switch Fuse Combination: IEC 62271-105 Circuit Breakers: DIN 47636 Common clauses: IEC 60694 Pressure of SF6 gas: 1.4 bar at 20 Degree C Cable bushings: Temperature class: -25 degree C to +40 degree C Degree of protection: - SF6 tank: IP 67 Busbars : 240 mm2 Cu Earth bar (external): 120 mm2 Cu - Bolt dimension: M10 Thickness of Stainless Steel Tank: 3.0 mm Colours: - Front cover : RAL 7035 - Side and cable cover: RAL 7035 - Outdoor Enclosure : IS 632

ELECTRICAL DATA - 6.6 kV - 28kV-1min Nominal voltage: 6.6 kV Rated frequency: 50 Hz Rated current busbars: 630 A Rated current cable switch disconnector : 630 A Short time withstand current: - cable switch disconnector with interface C (400-bolt) bushing: 21 kArms 3 sec. - vacuum circuit breaker with interface C (400-bolt) bushing: 21 kArms 3 sec. Rated current for transformer T-off : 630 A Impulse withstand voltage : To earth and between phases: 75 kV Insulation level: - Power frequency 1 min: 28 kV

Supply, install, commissioning and testing of outdoor type LT panel board, cubical type, dust and vermin proof, made out of 3.15 mm thick CRCA sheet of size 1500 X 1500 X 600 mm (H X W X D) CPRI approved with front and back openable door (with locking arrangement) and making compartment for each MCCB/change over switch separately, duly painted with two coats of powder coated paint over a coat of red oxide zinc chrome primer inclusive of four numbers aluminium bus bar 800 Amps of adequuate size( pre approved) for three phase and neutral system, fixed over and including 4 nos insulators, pre-wired with PVC insulated stranded copper conductor (of adequate size), all incoming / outgoing connection to be made with copper lugs and copper strips, with provision of cable entry and exit at mid portion of the panel board (with cable gland),and 02 Nos Danger Notice Plate (of size 20 cm x 15 cm, suitable for LT line, made out of 0.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour, fixed with MS angle iron of size 50 x 50 x 6mm with legs not more than 600mm including fabrication with PCC 1:3:6 complete including earthing terminals complete all as directed by the Engr-in-Charge including supply and fixing of the following accessories.

Supply and Laying of Machine pressed precast concrete interlocking paver block with grey cement and pigment of any shape and size as approved by GE conforming to IS-15658-2006 of 60 mm thickness, M-35 grade with 6 mm top layer of coloured rubberised anti abrasive material complete all as specified and directed.

M&L for PCC, 1:4:8, type C-2 (using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete including dismantling of existing concrete complete all as specified and as directed .

S&F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified.

S&F for Framed work such as grills, gratings etc, with ends of bars shouldered and/or riveted or forget into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railings, framework of water tanks and similar work conforming to Fe 410-0 or 310-0, and for portions framed and hung as gates, including pintle hinges, stops, hand-made sliding bolts,etc complete all as specified.

M&L for Earthing with Galvanised Earth Plate Electrode 600x600x6mm thick burried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, connected to galvanised earth Strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt in alternate layers of not exc. 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregate) with Cast iron cover 10mm thick hinged, Cast Iron Frame, MS Rod 6mm, Funnel, GI Pipe 20mm medium grade all as shown in Electrical Plate No. 3 of MES Schedule Part-I including necessary Excavation in Soft/Loose Soil, Returning, Filling in and Removal of surplus Spoil upto a distance of 50.00 Metre and and Testing on Completion, complete all as per specified and as directed.

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs ________ mentioned on Page No ____ shall be deducted from the total quoted amount of BOQ.

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