GE/ALP (8372B) KOLKATA OF 2024-25

Amount

Material and labour for earth continuity conductor or main earthing lead fixed to wall on batten/ porcelain insulator or recess or chases or burried in ground or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc as required 32mm x 6mm galvanised iron strip including taking out of old strip all as specified and directed.

Material and labour for earth continuity conductor or main earthing lead fixed to wall on batten/ porcelain insulator or recess or chases or burried in ground or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc as required 25mm x 3mm galvanised iron strip including taking out of old strip all as specified and directed.

Material and labour for Test Point terminal block made of gun metal or phosphorus bronze size 75mm x 75mm x 25mm drilled and screwed including 3 Nos. 8 mm dia 25mm long hex head screw including taking out of old one all as specified and directed.

Material and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connected with galvanised strip of size 32 mm x 6 mm by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20 mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15 cm (compacted thickness) all around the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20 mm stone aggregate), 50 mm thick precast RCC (1:2:4) cover slab (re-inforced with 8 mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10 mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I (2009) complete including all as specified and as directed.

All as per item no 4 here in before but with GI wire of 4 mm dia as earthing lead all as specified and directed.

Supply, fabricating, installation, testing and commissioning of back-lit signage including embedding the signage board firmly with the wall/ MS Angle frame/ as per approved Art work and nomencleature as given belowcomplete all as specified and directed of the following sizes :-

Box with frame:- 25 mm x 25 mm square pipe (18 G) frame with cross supports @ spacing not exceeding 1.0 m on the box length including 20 mm x 20 mm MS square pipe (18 G) stifferners duly white enamel painted in 2 coats over a coat of zinc oxide iron primer, depth of box should not be less than 165 mm.

Side, top, back and bottom Panels:- Made out of 24 Guge chemically treated GI sheets duly precoated/ powder coated with white MATT finish coating on both inner and outer surface. Top panel to have 24 Gauge precoated drip cap (fixed with pop rivet or machine moulded to shape) of 25 mm on front and side to prevent damages due to rain etc. The bottom panel should be provided with access door fixed with SS screws and suitable housing for LED drivers.

LED Module: LED 12 V Module beam angle >= 150 degrees with IP rating >= 64, 0.72 W/70 Lumens per module of 3 LEDs with 7000 to 8000K colour temparature

LED Configuration: 29 LED Modules per Sq mt (Equal division on spacing based on height of box) and one module every 0.20 m on running length of box.

LED Power Supply: Input 230V AC, power supply should be CPCC (Constant Power Constant Current) of 30 W/60 W/ 120 W each.

Graphics: Graphics shall be computer plotter cut with translucent cast vinyl matching the colour specification of the installation.

Supply and fixing of LED 36/42 Watt recessed mounted fitting, energy efficient, decorative type suitable for armstrong/ grid ceiling, with its super bright LED complete with all accessories pre-wired and including connecting up with twin core twisted flexible copper conductor cable with suitable size.

Supply and fix in replacement MCB DB doble door with necessary lugs for incoming and outgoing connections up to Copper/ Aluminium conductor og 16 Sq mm fixed on wall surface / concealed after taking down the existing DB of any make/ rating from any height for following way:

MCB DB SPN 4 way

MCB DB SPN 8 way

MCB DB SPN 12 way

MCB DB TPN 4 way

Supply and fix in replacement MCB of following rating:

MCB SP 6 to 40 Amp

MCB DP/SPN 6 to 40 Amp

MCB TP 6 to 40 Amp

MCB TPN 40 to 63 Amp

Supply and laying or fixing in replacement twin sub main cable with 2 x 2.5 Sqmm multistrand PVC insulated unsheathed copper conductor PVC cable including continuous earth wire 1 x 2.5 Sqmm copper conductor insulated unsheathed complete all as specified and directed

in PVC concealed conduit.

in PVC casing aping.

Supply and laying or fixing in replacement twin sub main cable with 2 x 4 Sqmm multistrand PVC insulated unsheathed copper conductor PVC cable including continuous earth wire 1 x 4 Sqmm copper conductor insulated unsheathed complete all as specified and directed.

in PVC concealed conduit.

in PVC casing aping.

Supply and laying or fixing in replacement twin sub main cable with 2 x 6 Sqmm multistrand PVC insulated unsheathed copper conductor PVC cable including continuous earth wire 1 x 6 Sqmm copper conductor insulated unsheathed complete all as specified and directed.

in PVC concealed conduit.

in PVC casing aping.

Material and labour for making with drawing with computer art work and letters, figure, writing work, scanning etc in approved colored print in water proof glossy paper for any size Lift Nos floors, dogs are not allowed, danger plates, 440 volts breakdown men at work, Important telephone number, In case of Fire, No Admission, No Parking in front of installation, No Smoking and other matter as required at site etc. pasted on and including 0.5 mm thick sun board or ACP with adhesive including necessary washing two or three times by suitable chemical including lamination properly with transparent sheet at front side and making hanging arrangement complete including taking down of old one all as specified and as directed. NOTE: (i) The work under this item comprises of composing of matter/ drawing by computer as required for location, art work on planner machine and scotch print/ inkjet print 720 to 2800 DPI on 0.025 mm Vinyl sheet or 0.050 Rectro Reflactor sheet. (ii) The matter composed of letters/ figures/ symbols etc shall got approved from the Eng-in-Charge before taking the final printout.

Driver for LED light suitable for supply voltage 100-265 volt AC with output at 12 Volt DC 100 Watt (8.33 Amp), frequency 50-60Hz, moisture and rain proof, with over voltage, over current, short circuit and over temperature protection of sign board complete all as specified and directed.

All as per item No. 14 here in before but SMPS (Switching Mode Power Supply) for LED display board suitable for supply voltage 100 to 265 Volt AC with output at 12 Volt DC 10to 40 Amp.

Material and labour for painting of steel surface with two coats of synthetic enamel paint of approved colour including taking proper precautionary measure for disconnecting electric supply complete all as specified and directed.

Manufacturing of MES BLUE BOOK digital Printing through computer, B and W Page i.e. official data and Colour Page i.e. Schematic Diagram/ Map etc. and necessary Spryer Binding approx 250 pages for each book complete all as specified and directed.

Material and labour for making with drawing with computer art work and letters, figure, writing work, scanning etc. in approved colored print in water proof glossy paper for any size SOP, PUMP/ MOTOR/ GENERATOR/ PANEL DETAILS, LIFT NOS, FLOORS, DANGER PLATES, SHUT DOWN, MEN AT WORK, IMPORTANT TELEPHONE NUMBER, IN CASE OF FIRE, NO ADMISSION, NO PARKING IN FRONT OF INSTALLATION and another writing and QUOTATION as required at site and office room etc. Printing with outdoor ink with 300 x 720 and also 2800 DPI laminated with 0.015 mm thick Hi quality weather protected transperant calendar film (mat/ gloss) pasted with chemical adhesive on and including for fixing of 0.5 mm thick SUN Board or 0.4 mm thick ACP sheets including taking down all Drawing and pasted with the same for one side of the above SUN Board or ACP Board with adhesive including necessary two/ three layers of chemical with lamination 0.015 properly all sides and transperant sheet at front side and making hanging arrangement complete all as specified and directed at site. NOTE:- (i) The work under this item comprises of composing of matter/ drawing by computer as required for location, art work on planner machine and scotch print/ inkjet print 720 to 2800 DPI complete all as specified and directed. (ii)The matter composed of letters/ figures/ symbols etc shall got approved from the Eng-in Charge before taking the final print out complete all as specified and directed.

Material and labour for MS stand for LIFT UNDER REPAIR ( Men at Work) Board (Folding) made by MS Squire pipe (Hello Pipe) including two coat of synthetic caramel paint over a coat of red oxide primer best quality. Lift Bracking down board made by ACP with fixing and pasting of rectro reflection self adhesive board of sine with lamination and writing matter of lift UNDER REPAIR with stand of size 300 mm x 300 mm base and 75 mm -150 mm total height as directed. Fabrication of aluminium bulletin board made out of double door shutter of size 884 mm x 593 mm using 40 mm x 18 mm aluminium section, main frame of size 122 mm x 921 mm made of aluminium section of size 20 mm x 20 mm complete duly fixed with sunmica of size 1220 mm x 920 mm x 3 mm (thick) at back and 4 mm thick palin glass housed in front shutter panels using high class PVC gasket complete including two steel handles with magnetic locks at shutter to facilitate smooth opening complete all as specified and directed.

NICE INFOTECH (BID ID -3139201)

Hindustan Traders (BID ID -3140127)

SUDHA ENTERPRISES (BID ID -3138425)

KWALITY CONSTRUCTION (BID ID -3140049)

M. M. C. AND CO (BID ID -3139069)

ELECTRO FREEZE (BID ID -3139328)