Miscellaneous GLF works at NSCBI Airport, Kolkata dg 2025-27

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.

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

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 6nos holes on the edges, drilling, tapping, finishing, i/c pencil grinding (bevelling) of outer edge to get a 'C' shaped finished surface and carrying the same to site and placing them properly over round opening of collars, housing boxes 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/bituminous foundation i/c disposal of debris etc. as reqd.

Installation of MS housing box of size750 mm x 330 mm x 400 mm (H) (to be supplied by AAI) 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

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

Supply of DWC pipe of following size alongwith necessary accessories like connectors /couplers /bends / tee etc. and with pulling rope fitted inside complete as required and as per the technical specifications etc. complete as required. OD 50 mm/ ID 38 mm

Laying of DWC HDPE Pipe of size of 50 mm OD/38 mm ID in the shoulder/runway/taxiway for GLF work i/c machine cutting of runway/taxiway/shoulder surface of width 110 mm and upto 150 mm deep, and taking the excavated material out of the area within a lead of 2 kms and refilling & making good the same by concreting as per the site requirement.

Laying of DWC HDPE Pipe of size of 50 mm OD/38 mm ID in the soil for GLF work upto 750 mm deep with excavation, back filling & making good the same as per site requirement

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

Fabrication and supply 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 suitable grouting arrangement for brick work including supply of 330mm x 330mm, 10mm thick MS cover plate with 8 nos holes on the MS plate suitable to fix on the frame with 8 nos. SS M-10 bolts

Dismantling of old/damaged earth pit chamber and reconstruction of the chamber by providing & making brick work, cement concrete etc., and installation of Earthing Pit cover (supplied vide item no.25) over the pipe etc. including neat cement plaster around the MS frame etc. as required.

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, by making necessary excavation and installation of Eathing Pit cover (supplied vide item no.25) 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.

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

Repairing of foundation for PAPI Checking Stick Base by installing anchor fasteners, 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 and fixing of pastable, antiskid, fire retardant, alkali and acid resistant nominal 2.5 mm +/- 10% thick, ISI marked Elastomeric Insulation Mat of 11 KV, 50 Hz grade and conforming to IS 15652 : 2006; including all sundry materials e.g. adhesive, Poly Urethene resin and sealing compound, sealing tape etc. cutting, filling, cleaning, chipping, minor civil work etc. complete as required.

Supply and installation of Bird Scare Spikes including all the consumables such as cable tie etc inside operational area, over elevated approach lights , guidance signage boards 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 number 2 X 4 sq mm AFL secondary cable along with 1 X 4 sq mm earth cable of voltage grade not exceeding 1.1 KV in the cable duct / masonry trench / RCC / HUME / METAL / GI / HDPE pipes etc. as required.

Dismantling of following dia. Inset type light fixture along with shallow base from bituminous/concrete pavement by cutting core, fill the area with bitumen/cement concrete/early setting cement, cleaning the shallow base and fitting i/c disconnecting Isolating transformer, removal of secondary lead cable and transportation to AAI store etc. as required. (a) 8" dia inset fitting

Dismantling of following dia. Inset type light fixture along with shallow base from bituminous/concrete pavement by cutting core, fill the area with bitumen/cement concrete/early setting cement, cleaning the shallow base and fitting i/c disconnecting Isolating transformer, removal of secondary lead cable and transportation to AAI store etc. as required. (b) 12" dia inset fitting

Installation, Testing and Commissioning of following dia. inset type GLF fitting with core cutting, aligning and setting i/c providing sealing material and other accessories required for commissiong except fixture, plug & receptacles & isolating transformer etc. as required and as per site conditions. (a) 8" dia inset fitting

Installation, Testing and Commissioning of following dia. inset type GLF fitting with core cutting, aligning and setting i/c providing sealing material and other accessories required for commissiong except fixture, plug & receptacles & isolating transformer etc. as required and as per site conditions. (b) 12" dia inset fitting

Supply of wind sock (nylon fabric) for wind direction indicator complying ICAO Annex-14 requirements.

Carrying out Photometric measurement of light intensities of Approach lights (inset/elevated fittings) through OEM / Authorized dealer of OEM of Photometric equipment as per CAR Section 4 Series B Part-1, Para 10.5.4 & 10.5.6 and Submission of report.

Carrying out Illuminance Check of Mandatory/Instruction/Information sign boards of different sizes through OEM / Authorized dealer of OEM of Photometric equipment as per CAR Section 4 Series B Part-1, Para 5.4.1.7 & Appendix-4 & Submission of reports.

Supply of M-10 SS hardware (set of 6 SS bolts, 6 SS washers)

Supply of solvent less epoxy compound to obtain void free casting etc. as required. Make: Dobefil 60

Supply of hardener to mix with existing solvent less epoxy compound to obtain void free casting etc. as required. Make: Hardener 758

Supply of earthing rod of dia 16 mm and length 6 ft for earthing in ground etc as required

Earthing with earth rod of dia 16 mm and length 6 ft in ground, installation of MS enclosure/collar etc. complete with pit work etc as required

Supply of High-visibility reflective jackets confirming to EN – 471 and IS – 15809:2017 with Reflective tape in 2 Vertical + 2 Horizontal form. The vest will be having Velcro at front opening pattern in design along with a transparent pocket in the front side. There shall be no joints at face and back of garment either on background material or on reflective material. The Color shall be Fluorescent Green and Fabric content shall be 100% Polyester(±5%).

Supply of 16 mm x 8 inch Pin type MS Anchor Fastener as required

Fabrication of inspection chamber cover made out of 75mm x 40mm x 5mm MS C channel frame work and 10mm thick MS chequered plate with providing additional MS C Channel of size 75mm x 40mm x 5mm, MS handle made of 12mm TMT bar, bush for handle lock and base frame made out of 90mm x 90mm x 6mm MS angle with 04 Nos 150 mm long legs made out of 90mm x 90mm x 6mm MS angle (for anchoring) . The size of the inspection chamber cover shall be as per site requirement and instruction of EIC.

Fixing of inspection chamber cover (supplied vide item no.50) by anchoring in cement concrete i/c cutting, welding, painting with one coat of red lead primer & two coats of black colour synthetic enamel paint etc as required.

Supply of LED Type Continuous Solar traffic Blinker light of Red Colour with minimum 172 nos. of LED suitable for operation on 12 V DC supply with ON/OFF Provision, 12V Solar Panel, inbuilt 12 V 7AH SMF Battery alongwith all accessories complete as required.

Supply of Industrial-Strength Metal Embossing Tool made of rugged cast aluminium frame with hole puncher for creating hanging/screw-on / nail-on labels, capable of making cable tie slot punch for cable marking, with built-in measuring gauge for accurately setting length of leading and trailing label edge, and with built-in cutting handle for cutting stainless steel/alluminium labels and capable of cutting square or rounded edges, having facility to print mirror script labels with included reverse image etc. compatible with 12 mm stainless steel / aluminum labels including 10 nos. 12 mm x 4.80 m Non-Adhesive Aluminium embossing Tape and 10 Nos. 12 mm x 6.40 m Non-Adhesive Stainless Steel embossing Tape.

Youngmen Traders (BID ID -831265)