Reconstruction and strengthening of H taxi track, E taxi track for code E aircraft operations, Construction of link taxi track from RET M to H taxi track in domestic apron, resurfacing of secondary runway and allied works at Chennai Airport

Amount

Construction of embankment with approved materials deposited at site (available within AAI Chennai Airport premises) from cutting and excavation including excavation in all kinds of soils with hydraulic excavator i/c cutting and loading in tippers, trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections and transporting to the embankment location within all lifts and lead within airport premises and spreading, grading to required slope and compacted to achieve the desired compactions in embankment and excavation area as specified in technical specifications (based on MORTH) etc. complete in all respects and as directed by Engineer- in-charge. (Note: Payment shall only be made for excavated earth).

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. a) All kinds of soil

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Supplying and filling in plinth with Crushed stone sand /M- sand under floors, foundation including watering, ramming, consolidating and dressing complete etc., as per the direction of EIC

Credit to AAI for taking away and disposal of excavated earth/ dismantled material like cement concrete(richer mixes)/reinforced cement concrete/ stone rubble masonry/ flexible pavement(bituminous courses)/ stone boulders / debris from operational area beyond AAI premises by mechanical means including loading, unloading, transportation, royalty or any other state / central government charges. (The rate / amount quotated will be deducted from the bills payable to the agency and quantilty measurement shall be based on levels at the location of excavation )

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : a) 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:4:8(1 Cement : 4 coarse sand (zone-III): 8 graded stone aggregate 40 mm nominal size).

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge.“(Note :- Cement content considered in this item is @ 330 kg/cum.“Excess/ less cement used as per design mix is payable/recoverable separately).a) All works upto plinth level

Extra for providing richer mixes at all floor levels.Note:- Excess/less cement over the specified cement content used is payable /recoverable separately. a) Providing M-35 grade concrete instead of M-25 grade BMC/ RMC. (Note:- Cement content considered in M-35 is @ 350 kg/ cum)

Centering and shuttering including strutting, propping etc. and removal of form for all heights :

Foundations, footings, bases of columns, etc. for mass concrete

Walls any thickness including attached pilasters, buttresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platform

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. a) Thermo-Mechanically Treated bars of grade Fe-500D or more.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material up to a lead of 1 kilometre, as per direction of Engineer-in-charge.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Dismantling cement concrete in air field pavement using compressor and jack hammer including disposal of material within 50 meters lead.(the rate is i/c. of full depth cutting of existing surface in proper line upto full depth to make edges smooth and to separate the area to be dismantled)

Preparation of granular sub-base by providing close graded material, conforming to specifications mixing in a mechanical mix plant at OMC, carriage of mixed material by mechanical transport to work site, for all leads and lifts, spreading in uniform layers of specified thickness with mechanical means including neatly leveling & dressing on prepared surface and compacting with vibratory power roller to achieve the desired density, complete and as per direction of Engineer-in-charge.

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075mm) to wet mix macadam(WMM) specification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by mechanical transport to site, for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub-base/ base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in-charge.

Providing and laying dry lean cement concrete with coarse and fine aggregate conforming to IS:383, the size of coarse aggregate not exceeding 26.5 mm, aggregate cement ratio not exceed 15:1, aggregate gradation after blending to be as per specification, cement content not to be less than 150 kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 MPa at 7 days, mixed in a batching plant as per mix design, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonne vibratory roller, finishing and curing etc. complete as per specification and direction of the Engineer-in-Charge

Providing and laying Pavement Quality Concrete (PQC)produced in a batching plant having a Characteristic flexural strength i.e. minimum flexural strength of 4.1 MPa at 28 days using 350 Kg of ordinary Portland cement of 43 grade, fine aggregate, graded stone aggregates of 40 mm nominal size in appropriate proportion as per specification and job mix formula, laid in panels as per drawings/design as approved by the Engineer-In-Charge using Slip form paver/fixed form paver/ manual method including making necessary provision for expansion joint, curing, etc. complete as per direction of Engineer-in-Charge and particular specifications. The item for execution shall also include the following operations: Mechanically cutting dummy joints 3mm wide x 1/3rd thickness of slab which is subsequently widened to 10mm for the top 25mm depth and construction joints 10mm wide x 25mm deep as per specification. Filling Polysulphide sealant in dummy, construction and expansion joints including providing closed-cell Polyethylene foam back-up rod, and painting side of joints with Polysulphide primer, etc. complete (to be paid separately).

Note: For the purpose of tendering, the quantity of cement used for one Cum. of finished concrete may be assumed as 350 Kg. If the actual quantity of cement required as per laboratory mix design varies from the quantity assumed above, necessary cost adjustment for deviation in the quantity of cement as per mix design, if any, shall be done as per the rate of cement in actual supply voucher from manufacturer/authorized dealer at the time of execution. In the case of authorized distributor the rate may be authenticated by the manufacturer. The rate of cement exclusive of GST shall only be considered for payment.

Providing and laying polythene sheet (white in colour) of thickness 400 micron conforming to IS: 2508, on the base course with overlaps of not less than 300mm longitudinally and 300mm transversely over and including a base layer of 6mm thick fine sand complete as per specifications and as directed by Engineer‐in-charge (Note- Only plan area shall be measured for payment)

Providing and laying in position for expansion joint, 25mm thick pre-cut Synthetic joint filler board of approved make conforming to IS:1838(part 3)-2011, 45 mm from top (to be removed at the time of filling of Polysulphide sealant), complete as per particular specifications and directions of Engineer-in-charge. (Note: Mode of measurement shall be length of joint multiplied by depth of filler board including precut portion.)

Providing and laying in position Polysulphide sealant of approved make conforming to BS-5212-1990 or IS: 11433-1995. in expansion/ construction/dummy joints including rounding off edges, applying 2 coats of approved primer compatible with the brand of Polysulphide and preparing the surface and applying masking tape along the edge of joint to prevent accidental spillage of sealant on top surface and to give neat finish to the sealant and removing the masking tape after application of sealant etc. complete as per direction of Engineer in Charge & particular specifications. [Note: For purpose of payment, quantity (Length x Width x Depth) of Polysulphide sealant only will be measured.] unit cm a) Expansion Joints of size 25 mm wide and 10 mm deep over 30mm dia closed-cell Polyethylene foam back-up rod, as per manufacturers specifications and sketch at Appendix-‘A’ of technical specification. b) Construction Joints of size 10 mm wide and 10 mm deep over 12mm dia closed-cell Polyethylene foam back-up rod, as per manufacturers specifications and sketch at Appendix-‘A’ of technical specification. c) Dummy Joints of size 10 mm wide and 10 mm deep over 12mm dia closed-cell Polyethylene foam back-up rod, as per manufacturers specifications and sketch at Appendix-‘A’ of technical specification.

a) Expansion Joints of size 25 mm wide and 10 mm deep over 30 mm dia closed-cell Polyethylene foam back-up rod, as per manufacturers specifications and sketch .

b) Construction Joints of size 10 mm wide and 10 mm deep over 12 dia closed-cell Polyethylene foam back-up rod, as per manufacturers specifications and sketch .

c) Dummy Joints of size 10 mm wide and 10 mm deep over 12 mm dia closed-cell Polyethylene foam back-up rod, as per manufacturer’s specifications and sketch .

Providing, laying and fixing of self-adhesive glass fibre reinforcement grid of High Modulus Fibre Glass of mesh size not exceeding 12.5mm x 12.5mm. The self-adhesive glass fibre reinforcement after laying over the Runway/ Airfield Pavement shall be pressed down fully with a rubber tired roller and glued to pavement surface. The grid being self-adhesive does not require tack coat. The longitudinal overleap should not be less than 250mm and transverse overleap i.e. at the end of the roll should not be less than 150mm. The items should be completed in all respect, to the satisfaction of Engineer-in-charge

Providing and applying tack coat using bitumen emulsion (Rapid setting) complying with IS:8887/ Cut Back bitumen as per IS:217, spraying the bitumen (emulsion/Cut back) with mechanically operated spray unit, cleaning and preparing the existing pavement surface as per specifications. For tendering purpose Emulsion/ Cut back bitumen content shall be taken as 0.35Kg/sqm

Providing and applying tack coat using hot straight run bitumen of Viscosity grade VG-30(60/70) or VG-10(80/100) including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications. For tendering purpose Viscosity grade bitumen content shall be taken as 0.5Kg/sqm.

Providing and laying of Hot Mix Dense Bituminous Macadam (DBM) using crushed stone aggregate of quality, size and grading as specified and cement filler of quality as specified and Viscosity Grade Bitumen (supplied in bulk) in proportions as per job mix formula and laid to specified levels, grade and camber as per specification, drawings and as directed by the Engineer-in-Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete [for tendering purpose VG bitumen of grade VG-30 shall be taken as 110 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].

Providing and laying of Hot Mix Semi Dense Asphaltic Concrete (SDAC) using crushed stone aggregate of quality, size and grading as specified and cement as filler of quality as specified and Viscosity Grade Bitumen (supplied in bulk) in proportions as per job mix formula and laid to specified levels, grade and camber as per specification, drawings and as directed by the Engineer-in-Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete [for tendering purpose VG bitumen of grade VG-30 content shall be taken as 120 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].

Providing and laying of Hot Mix Dense Asphaltic Concrete (DAC) using crushed stone aggregate of quality, size and grading as specified and cement as filler of quality as specified and Viscosity Grade Bitumen (supplied in bulk) in proportions as per job mix formula and laid to specified levels, grade and camber as per specification, drawings and as directed by the Engineer-in-Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete [for tendering purpose VG bitumen of grade VG-30 content shall be taken as 135 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].

Extra for using High Performance blended Portland Pozzolana Cement Dalmia Infra Green or equivalent (conforming to IS : 1489, Part-1,2015), instead of OPC 43 grade in Pavement Quality Concrete (PQC) i.e. item no 21 with Recommended plasticizer as per Design mix all complete as per Direction of Engineer In Charge

Note: For the purpose of tendering, the quantity of cement used for one Cum. of finished concrete may be assumed as 350 Kg. If the actual quantity of cement required as per laboratory mix design varies from the quantity assumed above, necessary cost adjustment for deviation in the quantity of cement as per mix design, if any, shall be done as per the rate of cement in actual supply voucher from manufacturer/authorized dealer at the time of execution. In the case of authorized distributor the rate may be authenticated by the manufacturer. The rate of cement exclusive of GST shall only be considered for payment.

Painting runway / Taxi Track / Apron marking with adequate no. of coats to give uniform finish with road marking paint of superior make as approved by the Engineer-in-Charge including cleaning the surface of all dirt, scales, oil grease and other foreign material etc., and lining out complete. a) New work (Two or more coats)

Providing and laying Non Pressure NP-4 class (Heavy duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : (a) 450 mm dia RCC pipes

Supply of 5KV grade 2C 25 Sq.mm. armoured aluminium conductor PVC/XLPE insulated and PVC sheathed cable conforming to IS - 1554 (Part - I) 1988/ IS - 7098 (Part - I) 1985 respectively with upto date ammendments.

Supply of Single Core 16 sq.mm. 5 KV grade copper conductor cable PVC insulated and PVC sheathed single core AFL cable generally conforming to IS 1554 (Part II) as amended upto date etc. as required.

Supply of Single Core 6 sq.mm. 5 KV grade copper conductor cable PVC insulated and PVC sheathed single core AFL cable generally conforming to IS 1554 (Part II) as amended upto date etc. as required.

Supply of Secondary lead made out of 2C x 4 sq.mm. multi stranded annealed copper condcutor EPR insulated, PCP sheathed, unshielded type, suitable for operating on 600 V as specified.

Supply of FAA compliant, indoor type, natural air cooled microprocessor based Constant Current Regulator (CCR) of Thyristor control electronic type suitable for local and remote control with 24/48V DC contorl supply with 5 position brightness control and suitable for operation on input voltage of 230/415V, 50Hz. AC supply and output of 10KW at 6.6A rating with all necessary accessories etc. complete as required.

Supply of 1.1KV grade 3C 35 Sq.mm. armoured aluminium conductor PVC/XLPE insulated and PVC sheathed cable conforming to IS - 1554 (Part - I) 1988/ IS - 7098 (Part - I) 1985 respectively with upto date ammendments.

Supply of 1.1 KV grade 10C 2.5 Sq.mm. armoured Copper conductor PVC/XLPE insulated and PVC sheathed control cable as per IS - 7098 (Part - I) 1998 respectively with upto date ammendments.

Installation, Testing and Commissioning of 10KW CCR microprocessor based including all civil work etc. complete as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of power cable of size upto 35 sq.mm. in the existing masonry open duct as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of control/power cable of size upto 35 sq.mm. in the existing cable tray as required.

Supplying and making end termination with brass compression gland for 2C 25 Sq. mm. size of PVC/XLPE insulated and PVC sheathed armoured aluminium conductor cable of 5KV grade as required.

Supplying and making end termination with brass compression gland and aluminium lugs for 3C 35 Sq.mm. size of PVC insulated and PVC sheathed / XLPE armoured aluminium conductor cable of 1.1 KV grade as required.

Supplying and making end termination with brass compression gland and copper lugs for 10C 2.5 Sq. mm. size of PVC/XLPE insulated and PVC sheathed armoured Copper conductor control cable of 1.1KV grade as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Supply of Elevated Omni directional LED Type Medium Intensity Taxiway Edge Light Fittings consists of LED, Lens supporting mechanism, lens clamp mechanism, omni directional Blue lens, Driver Unit, Central coloumn assembly, Breakable Coupling, two pin secondary Connecting Lead etc. with all other accessories and meeting ICAO/FAA specifications. (Excluding Base Plate, Gasket and M-10 SS bolt nuts. The LED TWY light assembly shall be suitable for fixing on the existing Youyang/AMA make TWY light fitting's base plate).

Supply of 5000 volts grade, 50Hz individual lamps series type isolating transformer encapsulated in polyester resin finally moulded with neoprene rubber as specified in the particular specification of following capacity and rating. 10 Watt, 6.6/6.6Amp rating

Supply of 5000 volts grade, 50Hz individual lamps series type isolating transformer encapsulated in polyester resin finally moulded with neoprene rubber as specified in the particular specification of following capacity and rating. 100 Watt, 6.6/6.6Amp rating

Supply of 5000 volts grade, 50Hz individual lamps series type isolating transformer encapsulated in polyester resin finally moulded with neoprene rubber as specified in the particular specification of following capacity and rating. 200 Watt, 20/6.6Amp rating

Supply of Inset type Uni-directional Runway End Light fitting complete with bottom box / Shallow base and all accessories including 1x 105 W Halogen lamp, lens/filter, reflector with all other accessories and meeting ICAO / FAA specifications complete as required and as specified.(Suitable for 1x 105W lamps).

Supply of Uni -directional Inset type Appraoch Light fitting complete with bottom box and all accessories including halogen lamp, lens/filter, reflector with all other accessories and meeting ICAO/FAA specifications complete as required and as specified. (Suitable for 3 x 105W lamps)

Supply of Inset type High intensity Bi -directional Runway Edge light fitting (Clear / Clear) complete with bottom box / Shallow base and all accessories including 2x 105W halogen lamps, lens / filter, reflector with all other accessories and meeting ICAO / FAA specifications complete as required and as specified.

Supply of Inset type High intensity Bi -directional Runway Edge light fitting (Clear/Amber) complete with bottom box / Shallow base and all accessories including 2x 105W halogen lamps, lens / filter, reflector with all other accessories and meeting ICAO / FAA specifications complete as required and as specified.

Supply of Connector kit suitable for use in the 5KV grade 1x6 sq.mm. size AFL copper conductor cable.

Supply of Connector kit suitable for use in the 5KV grade 1x16 sq.mm. size AFL copper conductor cable.

Supply of Connector kit suitable for use in the 5KV grade 1x 25 sq.mm. size AFL copper conductor cable.

Supply of transformer housing box of size 330x330x400 mm(depth), all sides and bottom are made out of 8mm thick MS sheet and top cover made out of 10 mm thick MS sheet having clear hole of 216 mm dia with 6 nos. M10 size threaded holes on the top for fixing of fixture base plate; 01 No. 25 mm dia drain hole in bottom and suitable holes to enable entry of 40/50mm dia for GI pipe entry for incoming and outgoing cables, two nos. cadmium plated earthing bolts with nuts and washer etc., including painting with one coat of red oxide paint and two coats of black paint finish as required and as per drawing enclosed.

Supply of transformer housing adapter box of size 330x330x200 mm(depth), all sides and bottom are made out of 8mm thick MS sheet and top cover made out of 10 mm thick MS sheet having clear hole of 216 mm dia with 6 nos. M10 size threaded holes on the top and bottom, provision and fixing of two nos. cadmium plated earthing bolts, nuts and washers etc. to enable earth connection including painting with one coat of red oxide and two coats of black enamel paint etc. complete as required.

Supply of 'T' shaped double pocketed transformer housing box of size 650x330x400 mm, made out of 8mm thick MS plate on four sides and bottom, 10mm thick MS plate for top cover having clear hole of 216 mm dia with 6 Nos. M-10 size threaded hole, 1 No. 25mm dia drain hole at the bottom and suitable holes to enable entry of 40/50mm dia GI pipe for incoming and outgoing cables and secondary leads, (side pocket of size 200x330x200 mm made out of 8mm thick MS Sheet from all sides and 10mm thick top cover for individual pockets with rubber gaskets), provision and fixing of two nos. cadmium plated earthing bolts, nuts and washers etc. to enable earth connection including painting with one coat of red oxide and two coats of black enamel paint etc. complete as required.

Supply of rectangular transformer housing box of size 750x400x330 mm, made out of 8mm thick MS plate on four sides and bottom, 10mm thick MS plate for top cover with 8 Nos. M-10 size threaded hole , 1 No. 25mm dia drain hole at the bottom and suitable holes to enable entry of 50mm dia GI pipe and secondary leads, (2 Nos. partition plates of 200m high inside the box made of 8mm thick MS Sheet) with rubber gaskets for top cover, two nos. cadmium plated earthing bolts with nuts etc., including painting with one coat of red oxide paint and two coats of black finish paint as required.

Supply and laying of 40mm NB 'B' Class GI Pipe in runway/ shoulder for connecting Transformer housing boxes/between transformer housing box and Inset type fitting by cutting the bitumin/concrete of suitable size for laying the pipe, threading, cutting, jointing of pipe and providing check nuts at both ends/one end & filling the gaps with bitumen mix and making good the surface matching with original finish etc. as required and as per the instruction of Engineer-in-charge.

Supply and Laying of 40mm NB 'B' Class GI Pipe on earth by excavation for connecting Transformer housing boxes i/c. threading, cutting, jointing of pipe and providing check nuts at both ends/one end, refilling etc. as required and as per the instruction of Engineer-in-charge.

Supply and laying of 50mm NB 'B' Class GI Pipe in runway/ shoulder for connecting Transformer housing boxes/between transformer housing box and Inset type fitting by cutting the bitumin/concrete of suitable size for laying the pipe, threading, cutting, jointing of pipe and providing check nuts at both ends/one end & filling the gaps with bitumen mix and making good the surface matching with original finish etc. as required and as per the instruction of Engineer-in-charge.

Supply and Laying of 50mm NB 'B' Class GI Pipe on earth by excavation for connecting Transformer housing boxes i/c. threading, cutting, jointing of pipe and providing check nuts at both ends/one end, refilling etc. as required and as per the instruction of Engineer-in-charge.

Supply and laying of 80mm NB 'C' Class GI Pipe in runway/ shoulder for connecting Transformer housing boxes by cutting the bitumin/concrete of suitable size for laying the pipe, threading, cutting, jointing of pipe and providing check nuts at both ends/one end & filling the gaps with bitumen mix and making good the surface matching with original finish etc. as required and as per the instruction of Engineer-in-charge.

Dismantling of transformer housing boxes of size of various sizes from the RWY/TWY shoulder and shifiting them to AAI stores.

Dismantling and reinstallation of 'T' shaped double pocketed transformer housing box at the existing location including providing 75 mm thick cement concrete of ratio 1:2:4 on all around the transformer housing box with required slope on the top to match with the bitumen surface and plastering of exposed surface with cement plaster of mix 1:4 (1 cement : 4 fine sand) of thickness 15mm over the concrete surface including painting of MS box after installation etc. as required.

Installation of 'T' shaped double pocketed MS Transformer housing box of size 650x330x400 mm mm in runway shoulder including bitumin/earth cutting, providing 75mm thick cement concrete of ratio 1:2:4 on all around the transformer housing box with required slope on the top to match with the bitumen surface and plastering of exposed surface with cement plaster of mix 1:4 (1 cement : 4 fine sand) of thickness 15mm over the concrete surface including painting of MS box after installation etc. as required.

Installation of MS Transformer housing box of size not lest than 330mm X 330 mm X 400 mm in runway shoulder including providing 75mm thick cement concrete 1:2:4 all around and bottom of the transformer housing box with required slope to match with the bitumen surface and plastering of exposed surface with cement mortar 1:3 of thickness 12 mm over the concrete surface including painting top of MS box after installation etc. as required.

Installation of rectangular Transformer housing box of size 750x400x330 mm including earth cutting, providing 75mm thick cement concrete of ratio 1:2:4 on all around the transformer housing box with required slope on the top and plastering of exposed surface with cement plaster of mix 1:4 (1 cement : 4 fine sand) of thickness 15mm over the concrete surface including painting of MS box after installation etc. as required.

Installation, testing and commissioning of elevated type runway Edge/End/Threshold/Guard Lights/Taxiway lights fittings (Halogen/LED) i/c installation of isolating transformers, crimping/ joining of connector kit along with other accessories required for commissioning including supply of all materials etc.as reqd. (except fixture, secondary lead, isolating transformer & Essna connectors).

Installation, testing and commissioning of inset type runway Edge/Centre line/TDZ/Runway Approach/Runway End/Taxiway light fittings with core drilling, aligning & setting including providing sealing material & installation of isolating transformers, crimping/joining of plug & receptacles, connection of secondary leads along with other accessories required for commissioning etc. as required. (except fixture, secondary lead, isolating transformer & connector kit which shall be supplied by deptt.)

Dismantling of RWY/TWY fittings from the existing trfr. housing box. Fixing of MS adapter box of size not lest than 330mm X 330 mm X 200 mm over existing transformer housing boxes with SS M10 bolts in the RWY/TWY shoulder including providing 75mm thick cement concrete 1:2:4 all around adapter box with required slope to match with the bitumen surface and plastering of exposed surface with cement mortar 1:4 of thickness 12 mm over the concrete surface including painting the top of MS box after installation etc. as required.

Supply and laying of one number ISI marked DWC HDPE pipe as per IS 14930 (Part 2) -2013 with upto date amendments of size 90/76mm direct in ground at a average depth of 900mm i/c excavation and refilling the same as reqd.

Supply and laying of one number additional ISI marked DWC HDPE pipe as per IS 14930 (Part 2) -2013 with upto date amendments of size 90/76mm direct in ground at a average depth of 900mm in the same trench in one tier horizontal formation i/c excavation and refilling the same as reqd.

Laying of 1 No. AFL cable of 5 KV grade of size not exceeding 25 sq.mm in RCC/Hume/PVC/Pipe/closed duct as required.

Laying of one number PVC insulated and PVC sheathed / XLPE armoured power cable of 5KV grade of size not exceeding 35 Sq.mm. in the existing masonry open duct as required.

Laying of 2C x 4 sq. mm Secondary leads of 1.1KV grade in existing GI pipe as required.

Cutting kerf (concrete/bitumin) of suitable size including chipping, hammering, cleaning & drying etc., laying of 2x4 sqmm secondary lead upto 3 Nos. and sealing the kerf with sealent material etc. complete as required.

Supply and making straight through cable joint with 11KV grade heat shrinkable cable jointing kit including ferrules and other jointing materials for PVC / XLPE insulated PVC sheathed armoured Aluminium conductor AFL cable of 5 KV grade and of size 2C 25 Sq.mm.

Providing and Fixing 6 SWG dia G.I. wire for loop earthing along with existing cable as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Providing and fixing 25x5 mm GI Strip in 40 mm. dia. G.I. Pipe from earth electrode including connection with GI nut, bolt, spring washer, excavation and refilling etc. as required.

Supply of Earth Electrodes, 17.2mm dia. exothermic welded copper bonded rod 17.2mm dia, 3 mtr. long with terminal size 32x10mm with 50 Kgs. Of backfil earth enhancing compound and one no. of heavy duty plastic cover inspection chamber. Base metal shall be IS marked branded MS Rod and with all other accessories. Excavation of pit, Installation of Earth Electrodes of 3m long, 17.2mm dia. copper bonded rod and backfilling the pit with 50 Kgs. Of backfil earth enhancing compound and finished with fixing heavy duty plastic inspection chamber complete etc. as required. Testing, measuring and commissiong the earth pit as required.

Providing cement concrete 1:2:4 (1 cement: 2 Coarse sand: 4 aggregate stone of size 20mm) around the signboard including excavation of earth.

Supply of internally LED Illuminated Guidance signboards of various sizes completely made out of 2mm thick anodised aluminium sheets on all five sides except the front side fixed over a 2mm thick anodised aluminium frame work with sufficeint no. of aluminium legs with frangible couplings. The front side shall be covered with 4mm thick glare free polycarbonate sheet having the required details (letters & symbols) screen printed on self adhesive film of 3M and pasted on the inside of the polycarbonate sheet. The signboard shall be uniformally internally illuminated with adequate no. of LEDs/LED strips to achieve required illumination level and suitable for operation on airfield series circuit input source of 2.5-6.6A without flickering.

Installation of guidance sign boards having 02 legs of various sizes with suitable foundation bolts i/c. excavation, cement concrete foundation etc. Testing and commissioning etc. complete as required.

Installation of guidance sign boards having 03 legs of various sizes with suitable foundation bolts, breakable couplings i/c. excavation, cement concrete foundation etc. Testing and commissioning etc. complete as required.

Installation of guidance sign boards having 04 legs of various sizes with suitable foundation bolts, breakable couplings i/c. excavation, cement concrete foundation etc. Testing and commissioning etc. complete as required.

RDS Project Limited

NSC Projects Pvt. Ltd.

SPL INFRASTRUCTURE PRIVATE LIMITED