Expansion of Turn Pad and Fillets for link taxi track for B777-300 ER type of aircraft at Imphal Airport

Amount

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge : Bituminous road

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge : Water bound macadam road

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)

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. All kinds of soil

Supplying and filling moorum obtained from approved quarry in embankment or depressions in layers not exceeding 20cm (loose) in depth (or any thickness as approved by the Engineer-in-Charge in case vibratory roller / soil compactor is used) including breaking clods, watering, consolidating each layer with power road roller 8-10 tonnes weight or vibratory roller / soil compactor of adequate capacity under optimum moisture content condition to give at least 98% of the maximum laboratory dry density (modified proctor density) as per IS code 2720 (part VIII) complete including leveling fine dressing to the required grade, camber and slope complete as per MORTH specifications and as directed by the Engineer-in-Charge with all leads and lifts (The item includes cost of work, payment of necessary royalty, carriage of moorum / suitable earth upto work site for all leads and lifts involved from all sources acquired or arranged by the Contractor. Payment to be made for compacted quantity only).

Construction 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 tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge. With material conforming to Grade-I (size range 75 mm to 0.075 mm) having CBR Value-30

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

Providing and laying Pavement Quality Concrete (PQC) produced in a batching and mixing plant having a Characteristic flexural strength i.e. flexural strength of 4.1 MPa at 28 days using Ordinary Portland cement of 43/53 grade or Portland Pozzolana Cement or Portland Slag cement conforming as per relevant IS codes, to be mixed at site, with 0.5% Super plasticizer by mass of cementitious material, 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 or Fixed form paver including anti friction layer, joint filler board, making necessary provision for expansion, dummy and construction joint including filling with Polysulphide sealant of approved make, curing and making profile, complete as per direction of Engineer-in-Charge and specifications. The item for execution shall include all operations making pavement for intended use but not limited to following: (i) Polyethylene sheet (White in color) of thickness 400 micron conforming to IS: 2508 with 6mm thick fine sand layer. (ii) 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). (iii) 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. (iv) 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. as per the details below:

(a) Expansion Joints of size 25 mm wide and 10 mm deep over 30mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufacturer’s specifications and sketch at Appendix-‘A’. (b) Construction Joints of size 10 mm wide and 10 mm deep over 12mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufacturer’s specifications and sketch at Appendix-‘A’. (c) Dummy Joints of size 10 mm wide and 10 mm deep over 12 mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufacturer’s specifications and sketch at Appendix-‘A’. (v) Making profile as per DGCA CAR, panel drawing showing dummy, construction, expansion joints location. Note: (i) Areas inaccessible to paving equipment shall be constructed by manual/hand guided method. Areas in which manual/hand guided methods of construction become indispensable shall be got approved by the Engineer-in-Charge in writing in advance. (ii) The quantity of cement, type of cement and super plasticizer for one Cum. of finished concrete specified are for tendering purpose only. The contractor shall quote his rates assuming quantity of OPC cement as 360 Kg/Cum or 400 Kg of Portland Pozzolana Cement/ Portland Slag cement. In addition, if the actual quantity of cement & super plasticizer required as per laboratory mix design varies from the quantity assumed above, necessary cost adjustment for deviation in the quantity of cement and super plasticizer as per mix design, if any, shall be done as per the rate of cement and super plasticizer 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 and super plasticizer exclusive of GST shall only be considered for payment.

Construction of dry lean cement concrete sub base over a prepared sub-grade with coarse and fine aggregate conforming to IS:383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per specifications, 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, transported to site, for all leads & lifts, laid with a mechanical paver, compacting with 8-10 tonne vibratory roller, finishing and curing etc. complete as per direction of Engineerin- charge.

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 specifled 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 1 10 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler materiall.

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 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 specitied 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.

Providing and applying primer coat with bitumen emulsion SS1 grade confirming to IS:8887 on prepared surface of granular Base including clearing of surface and spraying at the rate of 0.70 kg/sqm using mechanical means complete in all respects as per direction of Engineer-In-Charge. The contractor shall quote his rates assuming quantity of bitumen emulsion as 0.70 Kg/Sqm. If the actual quantity of bitumen emulsion varies from bitumen assumed above, necessary cost adjustment for deviation in the quantity of bitumen emulsion shall be done as per rate in actual supply voucher from nearest refinery at the time of execution. The rate of bitumen exclusive of GST shall only be considered for payment.

Providing and applying tack coat using hot straight run bitumen of Viscosity grade VG-10(80/100) conforming IS:73 including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning an preparing the existing Runway/Road surface as per specifications complete in all respects as per direction of Engineer-In-Change. If the actual quantity of bitumen varies from the quantity assumed above,necessary cost adjustment for deviation in the quantity of bitumen shall be done as per rate in actual supply voucher from nearest refinery at the time of execution. The rate of Vg-10 bitumen exclusive of GST shall only be considered for payment. 0.35kg/sqm on existing bituminous surface.

Providing and applying tack coat using hot straight run bitumen of Viscosity grade VG-10(80/100) conforming IS:73 including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning an preparing the existing Runway/Road surface as per specifications complete in all respects as per direction of Engineer-In-Change. If the actual quantity of bitumen varies from the quantity assumed above,necessary cost adjustment for deviation in the quantity of bitumen shall be done as per rate in actual supply voucher from nearest refinery at the time of execution. The rate of Vg-10 bitumen exclusive of GST shall only be considered for payment. 0.45 kg/sqm on existing concrete surface.

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). All works upto plinth level

Providing M-35 grade concrete instead of M-25 grade BMC/ RMC. (Note : Cement content considered in M-35 is @ 350 kg/ cum)

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.

Centering and shuttering including strutting, propping etc. and removal of form for all heights : a) Foundations, footings, bases of columns, etc. for mass concrete

Centering and shuttering including strutting, propping etc. and removal of form for : Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Centering and shuttering including strutting, propping etc. and removal of form for : Suspended floors, roofs, landings, balconies and access platform

Painting runway/taxi track/apron marking with adequate nos of coats to give uniform finish with road marking paint of superior make as approved by the Engineer-in-charge, i/c cleaning the surface of all dirt, scales, oil, grease and other foreign material etc. and lining out complete. New work (Two or more coats)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:3:6 (1 Cement : 3 coarse sand (zone-III) : 6 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 :1:2:4 (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 :1:5:10 (1 cement : 5 coarse sand (zone-III): 10 graded stone aggregate 40 mm nominal size)

ELECTRICAL WORK

Supply of single core 6 Sq.mm, 5 KV grade, stranded annealed plane copper conductor PVC insulated and PVC sheathed, unarmored underground, anti-rodent anti termite treated airfield lighting cable, confirming to IS 1554 Part II with up to date amendments as required.

Supply of single core 16 Sq.mm, 5 KV grade, stranded annealed plane copper conductor PVC insulated and PVC sheathed, unarmored underground, anti-rodent anti termite treated airfield lighting cable, confirming to IS 1554 Part II with up to date amendments as required.

Supply of Elevated Omni-directional, Medium Intensity Light Fittings suitable for Taxiway Edge Lighting use with LED complete with all accessories, breakable coupling, gaskets, two pin secondary leads, base plate with 6 nos M-10 stainless steel bolts, spring washers and other accessories with Omni directional blue lens, LED lamp and other accessories etc. complete as required meetng the requirement of ICAO Annex-14 and Aerodrome Design Manual Part-5

Supply of ICAO Complaince Inset type bi-directional high intensity runway edge light fixture With Clear/ Yellow Lens suitable for operatios on 5 KV,50 Hz ,series circuit 2.8 to 6.6 Amps series circuit to meet IACO requirement complete with breakable coupling, mounting assembly, optical assembly, base plate, gasket, bipin lamp holder, connecting lead i/c supply of sutalbe watt ,6.6A halogen lamp, SS bolts & washers, etc. as required and as per enclosed specifications with following lenses/ filters.

Supply of 15W, 6.6A/6.6A, 5 KV grade 50 Hz series type isolating transformers, encapsulated in polyester resin, finally moulded with neoprene type rubber with primary and secondary connections meeting ICAO requirement as per IS/IEC etc. complete as required. (Secondary lead should be suitable for plug in connection to the secondary lead of the fittings offered)

Supply of 45W, 20A/6.6A, 5 KV grade 50 Hz series type isolating transformers, encapsulated in polyester resin, finally moulded with neoprene type rubber with primary and secondary connections meeting ICAO requirement as per IS/IEC etc. complete as required. (Secondary lead should be suitable for plug in connection to the secondary lead of the fittings offered)

Supply of 200W, 20A/6.6A, 5 KV grade 50 Hz series type isolating transformers, encapsulated in polyester resin, finally moulded with neoprene type rubber with primary and secondary connections meeting ICAO requirement as per IS/IEC etc. complete as required. (Secondary lead should be suitable for plug in connection to the secondary lead of the fittings offered)

Supply of 6 sqmm 5 KV grade plug and receptacle of type I class B connector, suitable for field attachment with 5 KV grade PVC insulated PVC sheathed single core copper conductor cable as required and confirming to the relevant IS meeting ICAO requirement.

Supply of 16 sqmm 5 KV grade plug and receptacle of type I class B connector, suitable for field attachment with 5 KV grade PVC insulated PVC sheathed single core copper conductor cable as required and confirming to the relevant IS meeting ICAO requirement.

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 double pocket transformer housing box of size 730x330x400 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, (side pocket of size 200 x 330 x 200mm made out of 8mm thick MS Sheet from all sides and 10mm thick top cover for individual pockets with rubber gaskets) 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.

Supplying and laying of 50 mm Dia (outer dia) DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc.direct in ground including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required.

Providing, laying and fixing 50 mm dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching and re-filling etc as required

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 5 KV grade of up to single core 16Sq.mm size in the existing masonry open duct as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 5 KV grade of following size in the existing RCC/ HUME/ METAL / DWC HDPE pipe as required. Upto 16 sq. mm

Making field connections by crimping plug and receptacle type essna connectors for 6/16 sqmm core copper conductor cable of 5 KV grade including applying corrosion inhibiting compound (crimping paste), PVC taping and water seal taping etc., complete as required.

Installation, testing and commissioning of elevated type MIRL on the existing transformer housing boxes including, installation of transformers, lens, filters, lamps and other accessories alignment, levelling and making secondary lead connections to transformer & fittings earth connections etc. complete as required.

Installation, testing and commissioning of Inset type bi-directional high intensity runway edge light fixture on runway surface including PCC/RCC Core cutting installation of housing box, lens, filters, lamps and other accessories alignment, levelling and making secondary lead connections to transformer & fittings earth connections etc. complete as required.

Installation of MS Transformer housing box indicated in Item No. 10 & 11 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.

Demolishing cement concrete / bituminous road / paverblock roads by manually / mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Supplying and laying 6 SWG G.I. wire at 0.75 metre below ground level along with cable and connect to conductor earth electrode, including connection/ termination with GI thimble etc. as required.

Providing and laying in position cement concrete 1:2:4 (1cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation / road crossing etc., including form work etc as required.

Supply and making field connection of 2.5 Sq.mm, 0.5 mtr. long, copper conductor, two pin secondary lead of 5KV grade assembly suitable for runway / taxiway / approach / inet light fittings etc., complete as required

Shifting, installation, testing and commissioning of operational area signage boards from existing location to new proposed location as per CAR, Annexure-14 Guidance. Job including provision of grouting bolls with nuts, installation of base plates etc., as per site requirement.

Design, Supply, Installation, Testing and Commissioning of guidance sign boards having various sizes (As per ICAO standard) with central split type opening for easy maintenance made of reinforced 2mm thick anodized aluminum profile with suitable support. The rear panel shall be made of 1.2mm. Signage sheet shall be 4mm thick, long life imported poly carbonate non-specular surface with letters and symbols made out from 3M film pasted from inside with required colouring for mandatory / informatory guidance sign. The boards shall be internally illuminated with LED lamp and all other accessories including converter / ballast to be operated on 2.8A to 6.6Amps, AC constant current series system including isolating transformer. Board shall have secondary leads protected with PVC flexible pipe including nut bolt, frangible mounting legs. Board shall have necessary water proof protection and shall be equivalent to ICAO latest amendment complete in all respects as required.

Dismantling of existing elevated type airfield lighting system, including C.I Box, light fitting, Isolating transformers and cable terminals from C.I Box, loading, shifting, unloading, and handing over to AAI warehouse and demolishing of projected PCC/RCC existing foundation and leveling the same with PCC and disposal of material as per direction of Engineer - in - charge

Supply of 3.5C x 240 Sq.mm, XLPE insulated and PVC sheathed armoured aluminium conductor power cable of 1.1 KV grade conforming to IS 7098 (Part-1) with upto date ammendments etc., complete as required.

Supply of 3.5C x 185 Sq.mm, XLPE insulated and PVC sheathed armoured aluminium conductor power cable of 1.1 KV grade conforming to IS 7098 (Part-1) with upto date ammendments etc., complete as required.

Supply of 3.5C x 120 Sq.mm, XLPE insulated and PVC sheathed armoured aluminium conductor power cable of 1.1 KV grade conforming to IS 7098 (Part-1) with upto date ammendments etc., complete as required.

Supplying and laying of 120 mm dia (OD-120 mm & ID-103 mm nominal) DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc.direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required.

Supplying and laying of 90 mm dia (OD-90 mm & ID-76 mm nominal) DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc.direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL/DWC/HDPE pipe as required. Above 95 sq. mm and upto 185 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL/DWC/HDPE pipe as required. Above 185 sq. mm and upto 400 sq. mm

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 3.5 X 120 sq. mm

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 3.5 X 185 sq. mm

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 3.5 X 240 sq. mm

M/s Vertex Construction

M/S L K AND SONS