SPECIAL REPAIR / REPLACEMENT TO POWER SUPPLY SYSTEM AT AF STN BAGDOGRA UNDER GE (AF) BAGDOGRA

Amount

Note 1: (Applicable for all parts/items) : The bidders/ contractors are advised to read tender document, all drawings & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender.

Supply of following rating TPN with 100% neutral, IP-55 compact Air Insulated Bus bar trunking suitable for 400 volts, 50 Hz supply with Aluminium conductor and enclosure made of min 0.8mm thick hot galvanised steel of 39 x 97mm outer dimension with provision of safety shuttered outlets in every 1000mm with IP-55 outlet cover including IP55 End cover, support brackets in every 0.5 mtrs with one runs of AL earth bar/ wire and design is compliance with IEC 61439-6. All plug-in box must be non-mettalic body and comprising as under :-

100A Straight feeder Including Accessories.

63A Straight feeder Including Accessories.

90 deg Elbow for 100A/ 63A.

Wall Bracket.

End Cover.

End Feed Unit with thermoplastic body for direct cable termination, cable gland etc to complete the connection.

16A Tap-off Boxes with fuse carrier made from thermoplastic material.

50A Tap-off Boxes with fuse carrier made from thermoplastic material.

Supply, installation, commissioning and testing floor mounted indoor cubical type LT Panel Board (CPRI tested) of size 1200 X 1000 X 450mm fabricated out of 2 mm CRCA Sheet and angle iron 50 X 50 X 6 mm frame factory made totally enclosed, dust and vermin proof both side hinge opening arrangement on front and back with locking arrangement, cable entry and exit from bottom with cable glands and gaskets, Aluminium bus bar fixed on porcelain insulator with internal wiring with suitable size of Aluminium strips to be used for incoming and outgoing connection of all switches/ MCCB's & Bus-bar. Bus-bar shall be insulated with colour code sleeves/ tapes and to be connected with Aluminium lugs, including two coats of synthetic enamel paint on the surface externally & internally over a coat of red oxide primer including necessary PCC (1 : 3 : 6) type C2 as in foundation and comprising of the following all as specified and directed: -

200 Amp MCCB 4 pole, 36 KA - 01 No

40 Amp MCCB 4 pole, 25 KA - 01 No

40 Amp MCCB 4 pole, 25 KA - 01 No (Spare)

Aluminium Bus bar 315 Amp 4 way.

Digital type Ameter, range 0 to 600 Amp with slector switch and CT.

Digital type Volt meter, range 0 to 500 Volt with slector switch and PT.

Indicator lamp RYB.

Aluminium danger notice plate of 440/415 volts-01 No

2 mm thick CRCA Sheet and angle iron 50 X 50 X 6 mm frame.

PCC Work for foundation (1:3:6) type C2.

LT PANEL-II : Supply, installation, commissioning and testing floor mounted indoor cubical type LT Panel Board (CPRI tested) of size 2000X 1600 X 750mm fabricated out of 2 mm CRCA Sheet and angle iron 50 X 50 X 6 mm frame factory made totally enclosed, dust and vermin proof, both side hinge opening arrangement on front and back with locking arrangement, cable entry and exit from bottom with cable glands and gaskets, Aluminium bus bar fixed on porcelain insulator with internal wiring with suitable size of Aluminium strips to be used for incoming and outgoing connection of all switches/ MCCB's & Bus-bar. Bus-bar shall be insulated with colour code sleeves/ tapes and to be connected with Aluminium lugs, including two coats of synthetic enamel paint on the surface externally & internally over a coat of red oxide primer including necessary PCC (1 : 3 : 6) type C2 as in foundation comprising of the following complete all as specified and directed: -

400 Amp MCCB 4 pole, 50 KA - 01 No

400 Amp changeover switch 4 pole - 02 Nos

160 Amp MCCB 4 Pole, 36 KA - 01 No .

100 Amp MCCB 4 pole, 25 KA - 01 No

63 Amp MCCB 4 pole, 25 KA - 01 No

40 Amp MCCB 4 pole, 25 KA - 01 No

100 Amp MCCB 4 pole ,25 KA - 01 No (Spare)

Aluminium Bus bar 630 Amp 4 way.

Digital type Ameter , range 0 to 600 Amp with slector switch and CT

Digital type Volt meter, range 0 to 500 Volt with slector switch and PT

Indicator lamp RYB.

Aluminium danger notice plate of 440/415 volts-01 No

2 mm thick CRCA Sheet and angle iron 50 X 50 X 6 mm frame

PCC Work for foundation (1:3:6) type C2

Note for Item No 3.00 and 4.00 above) :- Necessary modification in LT Panel and bus bar for connection of compact Air Insulated Bus bar trunking system to be made by the contractor during fabrication. Rates for modification are deemed to be included in the quoted rate by the contractor.

M&L for Earthing complete with copper earth plate electrode 60cm x 60cm x 3.15mm thickness burried directly in ground (earth pit not less than 2.25mtr deep below normal ground level) with top edge of earth plate not less than 1.5 mtr below normal ground level connected to and incl copper strip 32x6mm by means of nuts & bolts, check nuts and washers of brass incl PCC pit of 1:2:4 type B-1, cover reinforced with XPM weight not less than 4 Kg/Sqm and 6mm dia bar handle,earth pit angle iron frame of size 25x25x3mm, excavation and earth work in any type of soil, charcoal dust, salt, light grade GI watering pipe 20mm dia with funnel and wire -mesh and medium grade GI protection pipe of 40mm bore from top edge of earth plate upto main distribution board complete all to as shown in electrical plate no 3 of MES SSR Part I 2009 connected board all as specified and testing on completion. Note:- The earth resistance should be less than one ohms and GI protection pipe and earth lead more than 7.5 RM shall be measure and paid separately.

M&L for Aluminium strip 25 x 3.15mm with saddles and fixing screws etc for roof conductors and down conductors above ground complete all as specified and directed.

M&L for Copper strip 32 x 6mm buried in ground with saddles and fixing screws etc. for roof conductors and down conductors above ground complete all as specified and directed.

Taking down carefully old vintage LT panal board any description with all accesories complete & making good the disturbed surfaces of wall/ floors etc all as specified & directed.

Taking down carefully old unsv aluminium LT cable off sizes complete & making good the disturbed surfaces of wall/ floors/ duct etc all as specified & directed.

Taking out and removing GI earth strip any size and any description all as specified and directed.

Taking down carefully copper/ aluminium point wiring complete (light, fan, plug point & power complete alongwith fittings (switches, ceiling roses, tube light fittings, bulk head fitting regulator, sockets, etc)) removing materials & making good of disturbed surfaces of walls/ floors etc all as specified & directed.

M& L for Point wiring with two run of 1.5 Sqmm PVC insulated and unsheathed multi-stranded copper conductor cable as phase and neutral, 1100 volts grade, ISI marked, FRLS type drawn through and including PVC concealed conduit (ISI marked) of adequate size and its accessories with sunk cast iron/ pressed steel terminal boxes of size 1.6mm thick, with 3mm thick plastic laminated sheet cover of adequate size including 1.5 Sqmm PVC insulated copper stranded cable (multi-stranded), FRLS type, unsheathed with colour code earth wire connected to common earth dolly at one end and metalic bodies of luminaires/ fan at other end complete all as specified and directed. Note:- Unit rate quoted by bidders are deemed to be inclusive for cutting chases for conduits and sinking for boxes and making good to wall, floors etc.

All as per ser item No. 13.00 here-in-before but with 4.0 Sqmm PVC copper stranded cables, FRLS type for one 15 Amp 6 pin socket outlet point including PVC cable 4.0 Sqmm FRLS type copper stranded conductor as earth wire & connected to commen earth & earth terminals including boards for mounting purposes.

S&F of switch socket combination multipurpose flush type 2 in 1 (3 and 5 pin) 5/15 Amps, 230V, AC complete all as specified and directed.

S&F of surface and wall mounted LED batten 20 watt - 4ft white with aluminum housing & integrated electronic driver complete all as specified and directed.

S&F of surface and wall mounted LED batten 10 watt - 2ft white with aluminum housing & integrated electronic driver complete all as specified and directed.

Taking down carefully copper/ aluminium sub main wiring complete alongwith all connected accessories etc all as specified & directed.

S&F of submain wiring with two single core PVC insulated unsheathed, multi-stranded copper conductor 1100Volts grade, FRLS type, cables 6 Sqmm drawn through in and including rigid PVC heavy duty concealed conduits including 6 Sqmm 1100Volts grade, FRLS type, PVC insulated unsheathed multi stranded copper conductor cable as continuous earth wire and connecting to common earth terminals complete all as specified and directed. Note:- (i) Two runs of single core cables + one run of continuous earthed cable + one run of PVC conduit shall be measured as one unit. (ii) Cutting chases for conduits and sinking for boxes and making good to wall, floors etc are deemed to be included in the quoted rate.

Taking down carefully DB with existing MCBs complete & making good the disturbed surfaces of walls/ floors etc all as specified & directed.

S&F of distribution board sheet metal enlosure double door shutter type factory made fixed flush with wall or outside on wall surface suitable for mounting isolators & MCB's 415 volts, 200 Amp rated bus bar with front openable cover suitable for TP & N 4 ways all as specified & directed.

S&F of distribution board sheet metal enlosure double door shutter type factory made fixed flush with wall or outside on wall surface suitable for mounting isolators & MCB's 240volts, 200 Amp rated bus bar with front openable cover suitable for SP & N 8 ways all as specified & directed.

S&F of MCB TPN 32 Amps, 230 Volts, 50 Hz with 10 KA ,'C' series complete all as specified and directed.

S&F of MCB SP 6-32 Amps, 230 Volts, 50 Hz with 10 KA, 'C' series complete all as specified and directed.

S&F of MCB SPN/ DP upto 32 Amps, 230 Volts, 50 Hz with 10 KA, 'C' series complete all as specified and directed.

Supply and fixing sheet matal encloures with plug socket single pole and neutal with two pin and earth plug and with one MCB of 20 Amps (SP) complete all as specified and directed.

S&F of LED panel light 36 watt efficient LED recessed 2x2 luminaire to enhance the delight of occupants with comfortable experience through its classic design & glare free soft illumination for armstrong/ grid ceiling or similar ceiling mounting system with concealed complete pre-wired using 1.5 Sqmm FRLS PVC insulated (Unsheathed) 3 core copper conductor cable, 1100V grade complete all as specified and directed.

S&F of sheet metal enclosure (factory made), VTPN Vertical Distribution Boards, IP43 protection suitable for MCCB's upto 125A as as incomer, Double Door, 8 way with 200 Amps rated busbar all as specified and directed.

S&F in replacement of MCCB 125 Amp, FP, 415 volts with rupturing capacity 16KA complete all as specified and directed.

Taking down old vintage GI earthing complete all as specified and directed.

SHRI P P SHARMA

M/S P K ROY AND CO

M/S Banerjee construction co

M/S SUNNY ENTERPRISE

M/s Prakash Traders

M/S MANAS MITRA

SUNIL DAS AND CO