Repair and renovation of the Electrical Installation work at Mahanadi Model Labour Welfare Centre, Ghoomti Tea Estate, Kurseong in the district of Darjeeling.

Amount

CABLE & CABLE LAYING : Supplying only the following 1.1 KV grade PVC insulated A/Al. Cable as below [Havells/KEI/POLYCAB]: 4 core 70 sq mm. [As Service Main]

4 core 50 sq mm. [LT Panel to Hall VTPN DB & Ext Bus]

4 core 25 sq mm. [LT Panel to HTPN BDB]

2 core 6 sq mm. [Compund Illumination]

Drawing of 4 core 70sq mm. PVC insulated A/Al. Cable suspended on GI wire including supplying and errection of 10 SWG GI (HOT DIP) wire with Galv. (Hot Dip) clamp from pole to existing bracket and binding with suitable size GI wire.

Laying of the following PVC A/Al cable on wall/surface including S & F MS saddles with GI (Hot Dip) Wire earthing attachment, making holes etc. as necessary mending good damages and painting as below: 4core 70sq mm with 2X10SWG GI (H.D.) Wire.

4core 50sq mm with 2X10SWG GI (H.D.) Wire.

4core 25sq mm with 2X10SWG GI (H.D.) Wire.

2core 6sq mm with 1X10SWG GI (H.D.) Wire.

Supply & Fixing of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling/wall incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support. (ii) With 25x25x3mm angle iron support 200 mm width X 50 mm depth X 1.5 mm thickness . (18 SWG)

Laying of cable as below, on existing Cable Tray and binding with suitable size GI wire. (i). Up to 50 sqmm

Laying only Cable upto 50 sq.mm through existing RCC/Hume/ GI Pipe/Open masonary trench for single, 2, 3, 3½ & 4 core.

Supplying & fixing 40mm dia medium gauge GI Pipe (ISI-Medium) Protection with necessary fittings and jointing materials as required.

GLAND & SOCKETING (CABLE & WIRE ) : Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below : 4 core 70sq mm.

4 core 50 sq mm.

4 core 25sq mm.

2core 06 sq mm.

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials. 4 core 70sq mm.

4 core 50 sq mm.

4 core 25sq mm.

2core 06 sq mm.

Finishing of the PVC insulated wire ends by socketting with pin/ring type copper sockets and insulated tapes etc., includingsupplying sockets, tapes. 2.5 sq mm.

LT PANEL INSTALLATION 3Ø METER BOX : Supply & Installation of Outdoor type Meter box of size not less than 3'X2½'X10" for accommodating 1 no. 3 phase meter fabricated from 3mm thick MS sheet reinforced with 40mm x 40 mm x 6 mm angle iron frame having front open able hinged door with door handle and locking arrangement along with a provision for supply & fixing 3Nos. 250 Amp Kit-kat Rewireable porcelain fuse unit & Neutral Link in separate compartment. There should be proper ventilation spout at the centre of the top edges on either side. The entire assembly is to be fixed on wall by means of self supporting & rigid angle iron frame. (PWD based quaitied MS sheet only approve)

SITC of suitable size cubical compartmentalized floor mounted, indoor type dust and vermin proof powder coated panel board suitable for 415V 3phase, 4wire, 50Hz, ac supply. The panel board should be fabricated from 2mm. thick M.S. sheet reinforced with 40mm x 40 mm x 6 mm angle iron frame with suitable ventilation arrangement. Interconnection between 415 V Four Pole MCCB of Breaking capacity 35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in LT Panel Chamber and necessary connection & Bus-Bar Chamber should be done with suitable size copper bar with proper socketting. The Panel Board should be provided with following accessories etc. complete as required with auxilary rotary switch at all lead. [AS LT CUBICAL-PANEL] [Size 1600 mm X 900 mm]

DISTRIBUTION BOXES ,MAIN SWITCHES ETC: Supplying and fixing double door Vertical TPN MCB Distribution board for MCCB incomer with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment. LEGRAND : Upto 160A,Enclosure (607913) 1No. 125A(35kA) FP MCCB, 4Nos. 63A TP MCBs.

Supplying & fixing 415V,16-32A per way , HTPN MCBDB with SS enclosure double door & IP42/43 protection with FP isolators as incomer and SPMCBs ( ‘C’ Curve , 10kA ) as outgoing ,concealed in wall after cutting the wall & mending good the damages to original finish or total establishment on angle iron frame on wall incl. inter connection with suitable size of copper wire and neutral link & provision for earthing attachment. LEGRAND : 6Way Enclosure (607716) ,1 no. 63A FP MCB, 18 No 6-32A SP MCB .

Supplying & fixing 250V,6-32A per way , SPN MCBDB with SS enclosure double door with IP42/43 protection with DP isolators as incomer and SPMCBs ( 'C' Curve , 10kA ) as outgoing ,concealed in wall after cutting the wall & mending good the damages to original finish or total establishment on angle iron frame on wall incl. inter connection with suitable size of copper wire and neutral link & provision for earthing attachment. Legrand : 2+12 way Enclosure (607712) , 1No 40A DP MCB, 12Nos.(6-32)A SP MCB.

Supplying & fixing of 250V,Street light Timer Fixed on Wall with flat iron frame or as per direction of EIC . The Box should comprising following accessories... A). Double-door SPN MCB Distribution Board with IP-42/43 protection 10way make Legrand or as to GS. B). 1No. 250V ,50Hz,16 Amp Digital daily & weekly time switches(Make Legrand CAT No. 412631) C). 1No 40A DP Contractor(Make Legrand CAT No 412545). D). 1No. 250V,16-32 Amp DP MCB(Make Legrand) E). 1 No. Toggle Switch(Pass & Seymour). F). 2Nos Diode type neon Indication Lamp(RED & GREEN). G). The complete arrangement must be wiring by suitable size of PVC insulated Cu wire with suitable socket/lugs as per requirement & direction by PWD.

Supplying and fixing 415V, 100 Amp TPN SFU with sheet steel enclosure on flat iron/angle iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating.[L&T / SIEMENS] [For External Use in Program] .

Supplying & fixing sheet metal (16 SWG) Iron Clad Copper Busbar chambers on angle iron frame on wall, incl. earthing attachment and painting as required. 415V, 125 A [4X15mmX3mm] For External Use in Program .

DISTRIBUTION WIRING : Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Approved make) incl. necy. fittings as required. 2 x 84/0.3 (6 sqmm) + 1 x 56/0.3 (4 sqmm) ECC. [From TPN DB to SP MCBDB]

Distribution wiring in 2 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Approved make), with 1x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire for ECC, to light/fan/call bell points with Modular type switch (Brand approved by EIC) fixed on Modular GI switch board with top cover plate and 2 no. suitable size “Ph & N” copper bar & earthing attachment fixed on wall incl. mending good damages to original finish. Average run 8 mtr.[For Office & Other room]

Average run 12 mtr.[For Auditorium room]

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Approved make) incl. necy. fittings as required . 2 x 22/0.3 (1.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC.

Distribution wiring in 1.1 KV grade 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make), with 1.1 KV grade 1 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire as ECC, to 6A 3 pin Modular type plug socket & switch (Brand approved by EIC) on 4 Module GI switch board with 3/4 Module top cover plate on wall incl. necy. connection making earthing attachment, painting and mending good damages to building works. On Board

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Approved make) incl. necy. fittings as required 2x36/0.3(2.5sqmm) + 1x22/0.3(1.5sqmm)

SOCKETS : Supply & Fixing 240 V, 16 A, 3 pin Modular type plug socket (Legrand or Equivalent Make) with 16A Modular type switch, without plug top on 4 Module GI Modular type switch board with top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. Connections with PVC Cu wire & earth continuity wire etc. [LEGRAND MYRIOS / ANCHOR WOODS / L&T ENGLANCE]

Supply & Fixing 240 V, 4 nos. 6 A, 3 pin Modular type plug socket with 4 nos. 6A Modular type switch (Legrand or Equivalent Make), 16A Modular switch type MCB (C-Curve) and Indicator without plug top on 2 row 18 Module GI Modular type switch board with 2 row 18 Module top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. Connections with PVC Cu wire and earth continuity wire. [LEGRAND MYRIOS / ANCHOR WOODS / L&T ENGLANCE]

LIGHT FITTINGS & FIXTURE : Supply,fixing & testing of Single/Double Arm Metal/Glass Wall light fitting having nickel finished complete with all accessories including S/F LED Lamp & making necessary connections as required. For Offices and others allied Room with 2No. 9W E27 W/W LED Lamps. [Phillips: 31426 or equivalent make]

For main gate Robin wall lantern gate lamp 8Watt inbuilt LED light [Phillips: 15470 or equivalent make]

Supply,fixing & testing of Recessed mounted LED Down light with extruded aluminium housing and milky diffuser on existing false ceiling,the false ceiling should be cut as needed size ,if break the false ceiling then should be change it on an urgent basis. and the luminaries should be bounded with GI wire(4 side) properly from the trust and making necessary connections as required of the following specification. [Philips: RC380B LED42S -6500 G4 L60 W60 PSD OD] (2ftx2ft grid luminaries ).

[Philips : RS271B LED40/850 PSU-E WB /WH]

Supply,fixing & testing of LED Flood Light on wall/ceiling with suitable fixing arrangement as per the direction of EIC. [Crompton Rover Pro :CFS-504-100-57-60D-SL-GL-NSG or euqivalent make of Philips / Jaquar]

Crompton Pluto Pro :CFS-501-150-57-60D-SL-GL-NSG or euqivalent make of Philips / Jaquar]

Supply of Waterproof LED luminaries has tobe surface/suspended mounted suitable for Single T8 TLED lamps [TCW450 P 1XTLED 19W P3397 ] complete with all accessories including supply of 1No. 4', 18W LED Tube]. [Philips: Master Led Tube 1200mm 18W865 T8 IND I or euqivalent make of Jaquar]

Fixing only single /twin fluorescent light fitting complete with all accessories directly on wall/ceiling/HW round block and suitable size of MS fastener.

Fixing only fluorescent light fitting suspended 25 cm bellow the ceiling with 2 No. 20 mm dia EI conduit (14 SWG) supports incl. S&F EI conduit, ball socket/socket type ceiling plate and connecting the length of PVC insulated wire and painting etc. as required by 2x24/0.20 mm (1.5sqmm) flexible copper wire of 1.10 mt. length.

Supply & Fixing 09 watt LED lamp (B22 CDL) in the existing holders. [ Philips or equivalent]

Supplying & Fixing bulk head light fitting (Havells make) with die cast aluminium housing & frosted glass on wall/ceiling incl. S&F 9 watt LED lamp complete set.

Supply & Fixing of LED Street Light luminaries in Pressure die cast Aluminum housing with heat resistant toughened glass cover & IP66 Protection complete with all accessories. 250V, 92W [Philips : BRP410 LED 092 CW HE NR FG S2 PSU GR ] Special make Warm White requirement .

Supply & Fixing 40W Decorative Post Top light fitting for 360⁰ indirect lightning with IP65 protection on exixting pole top including necessary connection as required.[Crompton: MAPEL LPTO-40-WW-M or euqivalent make of Philips / Jaquar]

FAN : Supply and Fixing of 230V, 50Hz,1400 rpm AC Exhaust Fan of making necy. hole in wall and making good damages and smooth cement finish etc. as practicable as possible and providing necessary length of PVC insulated wire and making connection. [Make: EPC P23009/4 Model ],230mm(9inch),40W .

[Make: EPC P23018/4 Model ],450mm(18inch),370W .

Supply & Fixing GI sheet (20SWG) metal Cowl with MS flat iron frame & GI wire mesh on wall with necy. bolts & nuts (6 mm dia x 62 mm long) 23 cm Exhaust fan (9")

45 cm Exhaust fan (18")

Supply and Fixing of 230V, 50Hz,1400/940 rpm(lower rpm specially ordered for low noise for Auditorium purposes) AC Air bracket Air circulator 4 Blade Fan of making necy. hole in wall and making good damages and smooth cement finish etc. as practicable as possible and providing necessary length of PVC insulated wire and making connection. [Make: EPC Model ],450mm(18inch),85W,

[Make: EPC Model ],600mm(24inch),160W,

2NOs LED GLOW SIGN BOARD : Supplying and fixing Outdoor type Led Sign Board (11’(L)X3.3’(H)X2”(W) fabricated from 3mm thick APC sheet(Aludecor) on all six sides finished with approved metallic colour & suitable size hollow Al. 20 mm rectangular bar as frame inside the box. All LED modules, wiring to be fixed inside the APC board. Silicon adhesive to be used in such a way so that ingress of water can be restricted inside the box and maintenance or replacement of LED modules can be done easily . All screws/nuts & bolts/clamps etc metals used inside the box should be of non ferrous metal/stainless steel. Appropriate size of MS Angle , nuts/bolts and clamps to be used outside for fixing the box . Terms & condition: If any defect is arrise within one year, contractor should repair whole Sign board without any cost.

Supply & Fixing special type of imported solid Acrylic letter (thickness 3mm raised 1.5 to 2.0 inch above ACP)fixed on 2mm thick acrylic sheet.All side each letter glows or emits light.Calculation Width of the letter should be proportionate. Suitable ratio should be maintained between the letter size, spacing between the letters & spacing between each words as per the direction of the EIC. (Calculation of area (Square inch) of letter will be Height X Breadth of the letter inclusive of wastage.)

Supply & Fixing of LED on acrylic letter from back side [Make: SAMSUNG/MEANWELL or equivalent] having the following specifications: • COLOUR: WHITE or as per the choice of EIC. • 3 Module in 1(One) Feet. • LIFE: 70,000 burning hours. • INTENSITY: Uniform without any bright/dark patches. • VISIBILITY: 100Mtrs at least for normal eye vision. • AMBIENT AIR: 0-50⁰ C ; 100% Relative Humidity POWER CONSUMPTION: 1.5 Watt per module. (1 module consisting of 3Nos LED)

Supply installation testing and commissioning of power supply unit inclusive of water tight gaskets fitted in stainless steel hinged door box also incl SS loopbox Input – 100V-240V AC, 4A; 50Hz. Output: 12V DC, 17-20A constant power supply. (Make: Philips/Samsung driver)

Metal Sign Board should be fixed on the top of the Roof Pillars on M.S channel and suitable size and number of stay rigidly by nuts, bolts etc. as per direction of E.I supply and fixing M.S fabrication box for holding rectanguler shape LED board of size (size=11’x 3.3’) with powder coted 30mm X 30 mm X4 mm MS angle and MS flat iron (30mm X 30mm) for holding the facia.

Excavation of soil for installation of Earth Electrode and filling & ramming. For Morrum Soil.

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. Long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. Long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. Long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. Below the ground level as below: a) By ISI-Medium GI pipe.

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 40 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required.

Connecting the equipments to earth bus-bar including S/F GI (Hot Dip) strips 20 mm x 3 mm thick on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages.

MISCELLANEOUS ITEM : Dismantling of the existing damaged wiring, light fittings, MCB DBs, industrial type panel & and cables including mending good the damages by taking up plastering work & rendering the surface of walls and ceiling with white cement based wall putty (1.5mm thick) and painting as per the direction of EIC.

Supplying and fixing D type service bracket fabricated from MS Angle (50 mm X 50 mm X 6 mm) with 5cmx5cm thumbs directly on wall by MS nuts, bolts, washers etc.. as required. [As Service Bracket ]

S/F GI D Clamp fabricated from 25mmX6mm GI Strip from ceiling to hold the LED Flood Light as per direction of PWD.

Supply and Fixing of MS structure 25mmx6mm square type(1.5ftx1.5ft) for holding 2 nos LED Flood Luminaries mounted on wall with two nos middle arm fixing rods & necy bolts nuts & enamel painting etc .

Fixing only outdoor / street light type fluorescent light fitting or MV light fitting complete with all accessories to be fixed /projected from the wall of the building incl. making holes/providing clamping arrangement & necy. GI reducer as required. S&F 40 mm GI pipe (ISI-Medium) quality 1.5 mts. average length having suitable bend S&F necy. length of 1.5 sq.mm PVC insulated single core stranded annealed copper wire and making connections as required and mending good damages to wall incl. painting etc.

Supplying & Fixing SS waterproof type looping cable box size 200x150x100 mm deep having 4 mm thick comprising of one 250 V 15 A kit-kat fuse unit, one NL on porcelain insulator, one compression type brass cable gland for up to 2- core 16 sq.mm PVC/A cable and having lined with rubber gasketted GI top cover with brass machine screws etc., earthing terminal with lug, on steel tubular pole near base, including S&F 40x6 mm thick, MS clamps with bolts, nuts etc. including painting with anticorrosive paint.

Painting of Steel Tubular Pole of lengths and no. of coats of paint, as given below with ready mixed paint/primer of approved make, and brand incl. preparation of surface by sand paper/emery paper, cleaning etc. for receiving fresh coat of paint. One coat of synthetic enamel paint over the primer after One coat of red lead/Zinc chromate priming a) Upto 9mtr.

Supply ,Delivery & Fixing 13'x4'x8" MS fabricated self supporting structured to cover the above LED glow sign board,which must having net guard on front sides & MS Sheet support on side with equally Spaced and rear side are open type so it can cover the board properly.The box is tobe provided with hinged single door from lower side having with suitable locking arrangement . The entire arrangement to be fixed on wall with 40mm x 6mm flat iron clamp support with necy. nuts,bolts etc...as required incl. mending good the damages and necy enamel painting as per direction by PWD .

Add 12% GST

Add 1% Labour Welfare Cess

A.K.CHOUDHURY AND SONS

BIKRAM SUBBA