M.O. GLF at NSCBI Airport, Kolkata dg. 2021-22. SH - Miscellaneous GLF works.

Amount

Fabrication & supply of 330mmx330mm size MS collar of suitable height as per site requirement (for increasing the height of the existing isolating transformer housing box) made out of 6mm thick MS sheet on four sides, 10mm thick MS sheet on top & bottom, with a provision of 50mm dia pipe entry hole on three sides, 225mm dia round opening on top & bottom with six nos holes on edges of top & bottom plates, suitable for holding the taxiway/runway edge light fittings on top and bottom bolted to the existing box including painting the collar with one coat of primer & two coats of black enamel paint etc. complete as required & as per enclosed specifications.

Installation of MS collar (supplied against item no.1) by providing & fixing of 12 nos. M-10 bolts including minor civil works as per site requirement, making pedestal of 0.30mt all around the box by making suitable slope by providing 1:2:4 cement concrete etc. complete as required & as per direction of Engineer-in-charge.

Dismantling of existing elevated light fittings and reinstallation of the same i/c connecting with isolating transformer etc. as required.

Dry brick pitching (laid flat) on surface including supply of bricks and preparing the surface complete as required.

Excavation of soft soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 metres .

Providing & laying in position 1:2:4 cement concrete (1 cement : 2 course sand : 4 graded stone aggregate 20mm. nominal size) over brick soling as per site requirement and as directed by engg.-in-charge.

Providing & laying 12mm thick cement plaster of mix 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement etc. as required.

Providing brick work ( in width 225 mm or more) with F.P.S bricks of class designation of 7.5 in cement mortar 1:4 (1 cement: 4 coarse sand ) in all levels

Filling 2/3rd portion of old/discarded MS housing boxes with sand and remaining 1/3rd with cement concrete of ratio 1:2:4 finishing etc, as required as per site requirement.

Removing of existing broken bolt from the transformer housing boxes, making new holes by drilling, tapping etc. as required i/c supply and fixing of suitable size SS bolt, washer etc as required i/c necessary T&P such as Drilling machine, Tapping machine etc. as required.

Providing cover plates of following sizes fabricated from 10mm thick MS plate, suitable for Isolating transformer housing boxes i/c making holes, drilling, tapping, finishing and fixing the same with 6 nos. 1.5" long, M-10 S.S. bolts, plain washers, spring washers etc. i/c painting etc. as required and as per direction of Engineer-in-charge. (a) 300 mm dia circular base plate

Providing cover plates of following sizes fabricated from 10mm thick MS plate, suitable for Isolating transformer housing boxes i/c making holes, drilling, tapping, finishing and fixing the same with 6 nos. 1.5" long, M-10 S.S. bolts, plain washers, spring washers etc. i/c painting etc. as required and as per direction of Engineer-in-charge. (b) 330 mm x 330 mm square base plate

Dismantling of various sizes C.I./M.S. transformer housing box from concrete/bitumen foundation i/c disposal of debris etc. as reqd.

Installation of MS housing box of size 330 mm x 750 mm x 300 mm (H) (to be supplied by AAI) by providing and fixing 15mm dia, 100mm long B class GI pipe with socket welded at bottom for drain, 2nos. SS earth bolts of M10 welded inside etc. complete as required, in soil by providing brick soling (size 950mm x 530mm) at the bottom & using cement concrete of ratio 1:2:4 all around & bottom of the box of 100 mm thick and making pedestal of 300mm & 100mm thick all around the box by making suitable slope i/c centering & shuttering etc. as required

Dismantling of 1 no. PVC/XLPE insulated AFL cable of 5 KV grade of size not exceeding 25 sq.mm from soil i/c excavation, removing protective covering, refilling the trench etc.as required.

Laying of one no. PVC/XLPE insulated & sheathed AFL cable of 5 KV grade of size not exceeding 25 sq.mm in the existing pipe.

Laying of one no. PVC/XLPE insulated & sheathed AFL cable of 5 KV grade of size not exceeding 25 sq.mm in soil i/c excavation, sand cushioning, protective covering and refilling the trench etc. as required.

Providing, laying and fixing following dia GI pipe (medium class) in ground complete with GI fittings including trenching (upto 75 cm deep) and refilling etc. as required. (a) 40 mm dia GI Pipe

Supply and laying of DWC HDPE pipe of following size, by cutting soft soil upto 50cm, connecting both/one end to existing transformer housing box i/c refilling and making good the damages etc. as required. (a) 63/51 mm dia HDPE Pipe

Supply of Base Plate Neoprene Rubber Gasket of 3 mm thickness and containing 6 nos. bolt holes, suitable for elevated type Aeronautical Ground Lights fittings

Supply of Analogue Earth Resistance Tester,4 terminals Hand Driven Generator type, Available in Dual Range of 0-10Ω and 0-100Ω, along with all accessories like sufficient connecting leads/wires, Auxiliary Earth Electrodes, Hammer, carrying case etc. Type test certificate and catalogue to be attached.

Scrapping, cleaning the surface of existing LT Panels/feeder pillars/CCR's and painting with two coats of synthetic enamel paint over a coat of red lead primer etc. as required.

Scrapping, cleaning etc. as required and painting the following light fittings with two coats of approved make Aviation Yellow synthetic enamel paint,over base plate said painting should be done after applying one coat of red lead primer. (a) Approach light fittings

Scrapping, cleaning etc. as required and painting the following light fittings with two coats of approved make Aviation Yellow synthetic enamel paint,over base plate said painting should be done after applying one coat of red lead primer. (b) Turn pad/taxi fittings

Scrapping, cleaning etc. as required and painting the following light fittings with two coats of approved make Aviation Yellow synthetic enamel paint,over base plate said painting should be done after applying one coat of red lead primer. (c) PAPI fixtures

Scrapping, cleaning etc. as required and painting the following light fittings with two coats of approved make Aviation Yellow synthetic enamel paint,over base plate said painting should be done after applying one coat of red lead primer. (d) Landing H

Scrapping, cleaning the surface of MS cover plates and exposed surface of MS boxes and painting with two coats of black colour synthetic enamel paint over a coat of red lead primer etc. as required.

Writing of maximum 2 inch size letters/numbers on the surface of base plates/cover plates of light fittings and on the body of LT panels, feeder pillars, CCR's by ICI/ DECO or any other approved paint of White/Red/Black colour .

Supply of weather proof, Integral type LED Flood Light Luminaire of the following Wattage, fitted with sufficient number & appropriate type LEDs for generating cool white light, made of pressure die cast Aluminium housing, fully weather proof with IP 66 protection, better heat dissipation arrangement and suitable for operation on variable AC inputs employing highly efficiant constant current electronic driver unit etc. as required. (a) 55-60 Watts LED Flood Light Luminaire

Supply of weather proof, Integral type LED Flood Light Luminaire of the following Wattage, fitted with sufficient number & appropriate type LEDs for generating cool white light, made of pressure die cast Aluminium housing, fully weather proof with IP 66 protection, better heat dissipation arrangement and suitable for operation on variable AC inputs employing highly efficiant constant current electronic driver unit etc. as required. (b) 150 Watts LED Flood Light Luminaire

Replacement of existing Halogen Flood Light fittings from Aluminium/GI tubular poles in Isolation Bay/01L Turnpad Area/Perimeter Road and installation of LED Flood Light fittings (55-60 Watts)(supplied vide Item No.25(a) above) in their place by making necessary connections in Junction Box etc as required.

Supply of Thermoplastic enclosure( lid made of transparent Polycarbonate and base made of Polystyrene) for external lighting pole junction box having single stainless steel screw operation for opening the full transparent hinged lid with sealing facility through that SS screw. The enclosure should have IP 65 degree of protection accordance to EN 60529, dust proof, water tight, light weight, acid resistant, corrosion proof, insulated and shock proof, fire retardant , self extinguishing, halogen & silica free non- Toxic material, with internally embedded Gasket (made of polyurethane), size of 217x253x115 mm fitted with clamp and GI Strip at the back of the enclosure and along with the components [i.e. (i) one no. 6A DP MCB on a din channel for mounting, (ii) one no. 100A DMC Terminal Board,(iii) one no. 4 Sq mm Earth Terminal) fixed inside the enclosure] etc. as required.

Supply of frangible tubular pole of following height confirming to ICAO Annex-14, para 5.3.1.4 and Aerodrome design manual part-IV, chapter 15, for mounting approach light fixture including all accessories such as base plate, anchore bolts, top brackets etc in single section or multi section depending on the height of the pole etc. as required. (The item shall comply ICAO / FAA Frangibility requirements. Test cerificate to be submitted for same.) (a) 1.18 mtr height

Supply of frangible tubular pole of following height confirming to ICAO Annex-14, para 5.3.1.4 and Aerodrome design manual part-IV, chapter 15, for mounting approach light fixture including all accessories such as base plate, anchore bolts, top brackets etc in single section or multi section depending on the height of the pole etc. as required. (The item shall comply ICAO / FAA Frangibility requirements. Test cerificate to be submitted for same.) (b) 1.3 mtr height

Supply of frangible tubular pole of following height confirming to ICAO Annex-14, para 5.3.1.4 and Aerodrome design manual part-IV, chapter 15, for mounting approach light fixture including all accessories such as base plate, anchore bolts, top brackets etc in single section or multi section depending on the height of the pole etc. as required. (The item shall comply ICAO / FAA Frangibility requirements. Test cerificate to be submitted for same.) (c) 1.5 mtr height

Supply of frangible lattice mast confirming to ICAO Annex-14 para 5.3.1.4 and aerodrome design manual part-IV, chapter 15, for mounting approach light fixture at the height mentioned below including all accessories such as foundation part, base frame, mast module, top frame, frame cross bar tube, light fitting, mounting arrangement etc complete as required. (The item shall comply ICAO / FAA Frangibility requirements. Test certificate to be submitted for same.) (a) Height 2.2 mtrs with Cross bar tube of length 3.30 mtrs.

Supply of frangible lattice mast confirming to ICAO Annex-14 para 5.3.1.4 and aerodrome design manual part-IV, chapter 15, for mounting approach light fixture at the height mentioned below including all accessories such as foundation part, base frame, mast module, top frame, frame cross bar tube, light fitting, mounting arrangement etc complete as required. (The item shall comply ICAO / FAA Frangibility requirements. Test certificate to be submitted for same.) (b) Height 2.55 mtrs with Cross bar tube of length 3.30 mtrs

Supply of frangible lattice mast confirming to ICAO Annex-14 para 5.3.1.4 and aerodrome design manual part-IV, chapter 15, for mounting approach light fixture at the height mentioned below including all accessories such as foundation part, base frame, mast module, top frame, frame cross bar tube, light fitting, mounting arrangement etc complete as required. (The item shall comply ICAO / FAA Frangibility requirements. Test certificate to be submitted for same.) (c) Height 2.875 mtrs with Cross bar tube of length 3.30 mtrs.

Supply of frangible lattice mast confirming to ICAO Annex-14 para 5.3.1.4 and aerodrome design manual part-IV, chapter 15, for mounting approach light fixture at the height mentioned below including all accessories such as foundation part, base frame, mast module, top frame, frame cross bar tube, light fitting, mounting arrangement etc complete as required. (The item shall comply ICAO / FAA Frangibility requirements. Test certificate to be submitted for same.) (d) Height 3.2 mtrs with Cross bar tube of length 3.30 mtrs.

Installation of following frangible pole/mast along with accessories such as base plate, anchore bolts, top bracket, mounting of light fitting, making necessary secondary cable connections i/c removal of old/damaged mast etc. as required. (a) Frangible tubular poles

Installation of following frangible pole/mast along with accessories such as base plate, anchore bolts, top bracket, mounting of light fitting, making necessary secondary cable connections i/c removal of old/damaged mast etc. as required. (b) Frangible lattice masts

Supply of Environment Friendly Rust proof Weather Proof Earthing Pit Cover of FRP/PVC/Heavy Duty Polyethylene make of Minimum Height-260mm and Minimum Diameter-260 mm etc. of suitable strength, and containing hole at side wall for entry of 15 mm dia GI pipe etc. as required.

Dismantling of old/damaged earth pit chamber and reconstruction of the chamber by providing & making brick work, cement concrete etc., providing & fixing of MS frame of outer dimensions 330mm x 330mm, made out of 40x40x6 mm MS angle, with 8 nos. threaded holes suitable for M-10 SS bolts on the frame, with grouting arrangement in the brick work, providing 330mm x 330mm, 10mm thick MS cover plate with 8 nos holes on the MS plate, fixing of the plate on the frame with 8 nos. SS M-10 bolts including neat cement plaster around the MS frame etc. as required.

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia includimg accessories, by making necessary excavation and installation of Eathing Pit cover (supplied vide item no.31) over the pipe etc., providing one layer of dry brick pitching on an area of 550mm dia at the bottom while keeping an opening of 200 mm dia at the centre for passage of earth pipe and providing cement concrete of ratio 1:2:4 all around the body of the cover of 100 mm thickness and over the brick layer of 50mm thickness, making suitable slope i/c centering & shuttering etc. as required.

Providing and laying earth connection from earth electrode with 6 S.W.G. dia G.I. Wire in 15 mm. dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.

Providing and laying earth connection from AGL fitting/Signage Board to nearest housing box from which earthing connection to Earth Pit is made, with 6 S.W.G. dia G.I. Wire and laying the same in ground/on concrete including fixing the wire with holding clips, excavation and re-filling etc. as required.

Installation of MS housing box of size 330 mm x 330 mm x 300 mm (H) (to be supplied by AAI) by providing and fixing 15mm dia, 100mm long B class GI pipe with socket welded at bottom for drain, 2nos. SS earth bolts of M10 welded inside, i/c providing rubber gaskets etc. complete as required, in soil by providing brick soling (size 530mm x 530mm) at the bottom & using cement concrete of ratio 1:2:4 all around & bottom of the box of 100 mm thick i/c centering & shuttering etc. as required.

Repairing of foundation for PAPI Ckecking Stick Base by installing anchor fastners, providing and laying 12 mm thick cement plaster of mix 1:3 around the foundation (1m x 1 m) etc as required i/c hiring/arrangement of all necessary T&P like portable DG set, Drilling machine etc. as required..

Supply of Calcium Carbonate Powder Type MIKHART 130, to be used as cleaning agent for inset type Airfield Ground Light Fittings in LUMICLEAN equipment.

Supply of 150 W, 6.6 A AFL lamp, OSRAM make Cat. No. 64361 HLX-A 150-15 PK30D/ NARVA make Cat. No. 58369 PK30D suitable for ATG make elevated type Runway edge light fittings.

Supply and installation of Bird Scare Spikes inside operational area, over elevated approach lights , guidance signage boards etc. as required and as per specifications enclosed.

M/s J.K. Electric Engineering Works