Provision of transformer with allied electrical fittings and Heavy Duty Exhaust Fans in building no P 256 at 282 I FWC EME at Brichgunj Military Station Port Blair

Amount

M & L for Cable End Termination Joint, Heat Shrinkable type, Indoor type, suitable for 11000 Volts, 3 Core, 95 Sq.mm, HT, XLPE Insulated, Armoured Power Cable with Aluminium Conductor and testing after jointing complete all as specified and as directed.

Supplying, laying and testing HT UG Cable, XLPE insulated, screened insulated, Steel wired armoured and pressure extruded PVC bedded, 11000 Volts grade [heavy duty] suitable for earthed system with aluminium conductor of size 3 Core 95 Sq.mm conforming to IS – 7098 [Part – II] laid in trenches, fixed to walls or passing through pipes and connecting up complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, armoured heavy duty underground cable, ISI marked with Aluminium stranded conductor 1100 Volt grade of size 3½ Core, 240 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. including taking down old LT Cables of any description complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, armoured heavy duty underground cable, ISI marked with Aluminium stranded conductor 1100 Volt grade of size 3½ Core, 95 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. including taking down old LT Cables of any description complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, armoured heavy duty underground cable, ISI marked with Aluminium stranded conductor 1100 Volt grade of size 3½ Core, 50 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. including taking down old LT Cables of any description complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, armoured heavy duty underground cable, ISI marked with Aluminium stranded conductor 1100 Volt grade of size 3½ Core, 25 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. including taking down old LT Cables of any description complete all as specified and as directed.

Note for Serial Item No. 3 to 6: Excavation, earthwork and provn of cable covers / protection pipe etc. shall be measured and paid seperately under relevant items of BoQ.

Excavation in trenches not exceeding 1.5m wide and not exceeding 10 Sq.m on plan area and not exceeding 1.5m deep in any type of soil complete all as specified and as directed.

M & L for Dry river sand cushioning over and around the cable for cable protection in trenches, leveled and punned down complete all as specified and as directed. Note: The punned down thickness shall be measured for payment.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick of excavated soil complete all as specified and as directed. Note: A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming.

Removal of excavated material [Soil] to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5 m complete all as specified and as directed.

Supplying and laying un–reinforced Precast Concrete Cable Cover, Class HV, Type 1, Flat, of size 300mm x 180mm x 40mm complete all as specified and as directed.

Supplying and laying un–reinforced Precast Concrete Cable Cover, Class LV, Type 1, Flat, of size 250mm x 150mm x 40mm complete all as specified and as directed.

Supplying and laying GI pipe, 100mm bore, Light grade for cable protection at road crossing etc or laid in trenches or fixing on wall / poles of any type, secured with clamps complete all as specified and as directed.

Supplying and laying GI pipe, 50mm bore, Light grade for cable protection at road crossing etc or laid in trenches or fixing on wall / poles of any type, secured with clamps complete all as specified and as directed.

M & L for Cable Route indicator made of CI disc 100mm dia, 6mm thick with inscription of HT Cable / 11000 Volts fixed fixed to MS angle of size 40 X 40 X 6mm, 750mm long with bolts & nuts, all as specified and as directed. Note: PCC and earthwork required shall be measured and paid separately under relevant items of BOQ)

Design,manifacture, supply, installation, testing & commissioning of outdoor type HT panel, SF6 gas insullated, manual/motorized operated, 11 KV, 3 phase, 3 wire, AC, 50 Hz, 1-way extensible on one side for future addition, comprising of Single Module load Break Switch (LBS) for incoming and outgoing supply outdoor type, free standing foundation mounting with cable trench beneath for bottom cable entry, made out of 2mm thick CRCA sheet for outer enclosure with IP 54 degree of protection duly powder coated with 7 tank process of approved shade and 2.5mm thick stainless steel main tank gas vessel with IP 67 for HV part including necessary internal copper connections, small wiring, AC / DC CONTROL WIRING, HT/LT fuses etc complete with the following detailed specification and provisions confirming to relevant latest IS / IEC standards:

M & L for Brickwork made of common burnt clay building bricks, sub–class "B",on plan built in CM 1:4 all as specified and as directed.

M & L for rendering on fair faces of brick / concrete surfaces, 10 mm thick in Cement Mortar 1:4, surfaces finished even and smooth without using extra cement complete all as specified and as directed.

M & L for PCC 1:3:6, Type C-2, using 40mm graded stone aggregate as in Foundation, Fillings, Mass concrete, Footings etc complete all as specified and as directed.

M & L for PCC 1:3:6, Type C-1, using 20 mm graded stone aggregate as in Coping and the like including weathering, slightly rounded or chamfered angles and throating including formwwork [straight or curved] complete all as specified and directed.

M & L for Earthing complete with Galvanised Steel Earth Plate Electrode 600 X 600 X 6 mm thick burried directly in ground [earth pit not less than 2.25 m deep below ground level] with top edge of Plate not less than 1.50 m below normal ground level connected to 32 X 6mm GI Strip [Earth Lead] and GI pipe 50 mm, Medium Grade for earthing lead protection to the extent of maximum 7.5m, Earth Plate Electrode surrounded by 150mm thick packed layers of Charcoal and Common Salt filled in alternate layers, connected to the Plate by means of GI Bolts & Nuts complete all as per Electrical Plate No. 3 of SSR Part – I, connected to panel / DB including testing on completion including main earthing, Charcoal, Common Salt, PCC [1:2:4, Type B1] Pit with RCC 1:2:4, Type B1 Cover, 50 mm thick with 6 Nos, 8 mm dia TMT bars in both ways, MS frame made with 40 X 40 X 6 mm Angle Iron, MS Funnel with 20 mm bore, medium grade GI Watering pipe, wire mesh, earth work excavation, return filling, removal of surplus soil etc. complete all as specified and as directed.

M & L for Earthing complete with Galvanised Steel Earth Plate Electrode 600 X 600 X 4 mm thick burried directly in ground [earth pit not less than 2.25 m deep below ground level] with top edge of Plate not less than 1.50 m below normal ground level connected to 4mm dia GI wire [Earth Lead] and GI pipe 15 mm, Medium Grade for earthing lead protection to the extent of maximum 7.5m, Earth Plate Electrode surrounded by 150mm thick packed layers of Charcoal and Common Salt filled in alternate layers, connected to the Plate by means of GI Bolts & Nuts complete all as per Electrical Plate No. 3 of SSR Part – I, connected to panel / DB including testing on completion including main earthing, Charcoal, Common Salt, PCC [1:2:4, Type B1] Pit with RCC 1:2:4, Type B1 Cover, 50 mm thick with 6 Nos, 8 mm dia TMT bars in both ways, MS frame made with 40 X 40 X 6 mm Angle Iron, MS Funnel with 20 mm bore, medium grade GI Watering pipe, wire mesh, earth work excavation, return filling, removal of surplus soil etc. complete all as specified and as directed.

Supplying, Installing, Connecting, Commissioning and Testing of Transformer, Step Down, Outdoor Type, Platform Mounted complete with standard fittings, 11 KV / 433 V [at No load], AC, 3 Phase, 50 Hz, of 160 KVA capacity, Double Copper Wound, Oil immersed, CRGO Core type Naturally cooled, Built-up with class "A" insulation, having Primary Voltage [HT] 11 KV and Secondary Voltage [LT] of 433 Volts, Delta connected on 11 KV Side & Star connected on 433 Volts side, designed & constructed with particular reference to Tropical Condition, conforming toIS – 1180-2014, Level-2 with latest amendment including making good the existing Platform, refixing existing HT / LT Busbar and Cables etc. complete all as specified and as directed and comprising of the following Specification and Fittings: [a] Two earthing terminals for body earthing and two additional for neutral brought out on a busing. [b] Lifting lugs/hooks of transformer and core. [c] Rating and terminal marking plate. [d] Silica gel breather [e] Drain - cum – sampling valve [3/4]” nominal thread with plug [f] Thermometer pocket with dial type thermometer [g] Oil filling inlet pipe with plug [h] Conservator with oil level gauge [j] First fill of oil up to appropriate level as recommended by manufacturer with fresh new oil [k] Type of connection arrangement MS CABLE termination box on LT side and HT side. Continuous Rating : 160 KVA No-Load Voltage Ratio : 11 KV / 433 V Tapping on HV [%] : ± 7.5, ± 5, ± 2.5 Phase & Frequency : 3 Phase & 50 Hz Connection : Delta Star Vector Group : DYN 11 Cooling : ONAN Type : Outdoor Make: ITE Gurgaon Rajasthan Transformers/Voltamp ltd/Schneider/Alstom Note: The contractor shall submit set of all drawings of the transformer and its components in duplicate and get the same approved from GE before commencement of production. Foundation with channel and height of 1m above the ground and 1m below the ground and design as recommended by OEM.

Note : The Contractor shall submit set of all drawings of the L. T. Pillar Boxes and itscomponents in duplicate and get the same approved from GE before commencement of production. The conractor shall furnish all details and clarifications required if any for scrutiny and evaluation. Manufacture of material to be supplied shall be done strictly as per approved drawing. However, approval of drawing shall not absolve the contractor/supplier of his liability for ensuring correctness according to applicable standards & regulations.

M & L for Sub main wiring with 2 runs of single core 4 Sq.mm Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade, ISI Marked, drawing through and including heavy duty PVC Conduit, 25 mm dia with all accessories concealed in Walls / Roofs / Floors / Ceiling etc. including One run of 4 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade earth continuity conductor including taking down old sub main wiring of any description and making good disturbed surface complete all as specified and as directed. Note: 3 runs of 4 Sq.mm & one run of 25mm dia PVC Conduit will be measured as one unit.

M & L for Sub main wiring with 2 runs of single core 2.50 Sq.mm Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade, ISI Marked, drawing through and including heavy duty PVC Conduit, 25 mm dia with all accessories concealed in Walls / Roofs / Floors / Ceiling etc. including One run of 2.50 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade earth continuity conductor including taking down old sub main wiring of any description and making good disturbed surface complete all as specified and as directed. Note: 3 runs of 2.5 Sq.mm & one run of 25mm dia PVC Conduit will be measured as one unit.

S & F MCB DB, SPN, 8 Way, 240 Volts, with DIN Channel, Double Door with 200 Amps rated bus bar suitable for mounting MCBs complete all as specified and as directed. Note : MCBs shall be measured and paid seperately.

S & F MCB, SPN, 40 Amps, 10 KA, AC, 230 V, 50 Hz complete all as specified.

S & F MCB, SP, 6 to 32 Amps, 10 KA, Heavy duty LB Series, AC, 230 V, 50 Hz complete all as specified.

S & F Exhaust Fan, 600mm Sweep, 900 RPM, Metal Body, Heavy duty, 230 Volts, AC, 50 Hz, Domestic Type including louver shutter and of approved colour complete including S & F of metallic louvers and connecting up with 3-core 1.00 sq.mm flexible copper conductor cable from ceiling rose to connector of fan complete all as specified.

Cutting openings through brick walls built in cement mortar for in round shape for 600mm sweep exhaust fan including providing, fixing and removing, shoring, cleaning and stacking bricks and removing surplus to store and rubbish to a distance not exceeding 1.50 KM complete all as specified and as directed. Note : The finished opening shall be measured for the purpose of payment.

S & F Ceiling Rose, Surface Bakelite, 6A 3 plate, 65 X 50 mm, Three Terminals, 230 Volts complete all as specified and as directed.

M & L for Point Wiring complete with 1100 Volts, FRLS Grade, 1.5 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor Cable, conforming to IS - 694 drawn through and including heavy duty PVC Conduit, 20 mm dia including all accessories concealed in Walls / Roofs / Floors / Ceiling etc. or surface type / semi concealed type and Pressed Metal Flush Box made out of 2mm thick MS Sheet of suitable size and 3 mm thick Hylam Sheet top cover for fixing switches, fittings, regulators etc. concealed in walls, including 1100 Volts, FRLS Grade, 1.5 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable as earth continuity conductor with colour coding and connecting to Earth Dolly for One Light / Fan Point / Bell Point controlled by One Switch complete all as specified.

S & F Switch Piano, Flush Button, Single Pole, One Way, 5 Amps, 230 Volts complete all as specified and as directed.

Cutting Bituminous Road / Hardstanding etc. as required for Jointing / Laying Cables and Pipeline of width not exceeding 300mm and depth not exceeding 600mm and refilling after laying and making good with PCC 1:2:4, Type B1 using 20mm graded stone aggregate, 100mm thick complete all as specified and as directed. Note : Excavation and earthwork below road/hardstanding will be measured and paid under relevant items.

Excavation in post holes each not exceeding 0.5 Cu.m, getting out in Soft / Loose soil, including returning, filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25cm thick, watering and removing surplus soil to a distance not exceeding 50m and making good surface complete all as specified and as directed.

S & F Mild Steel work conforming to Fe-290, Grade E-165, as in framed work such as Gate of Sub Station, Grills, Gratings, Ladders etc with ends of bars shouldered and/or riveted, or forged into spikes, framed Guard Bars, Barred Iron Doors, Ladders, framed Balusters, Walk Ways, Railings, framework of Water Tanks and similar work complete all as specified and as directed.

M & L for two coats of Synthetic Enamel paint over one coat of Red oxide Primer on new steel surfaces not exc. 10cm width or girth including preparation of surfaces complete all as specified and as directed.

S & F galvanized steel chain link fencing including line wires, mesh size 50mm by 50mm and wire dia 4mm and any type of standards, rails, straining bolts, etc. including provision of binding wire complete all as specified and as directed.

Surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in any type of soil in the transformer yard complete all as specified and as directed.

Supply and spread graded coarse aggregate of 40mm nominal size in outdoor transformer yard area complete all as specified and directed.

HUMERS INFRATECH

excellent Enterprises

Prasur Electricals & Engineering Co.

M/S ISLAND REALCON INDIA PVT. LTD

OPS Associates