Extension and re-configuration of Apron Bays for Code-C type of Aircraft and allied infrastructure at Belagavi Airport.

Amount

Earth work excavation by mechanical means (Hydraulic excavator of 0.9 cum bucket capacity) in all kinds of soil (excluding hard rock) including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, transporting and unloading to the embankment/ filling location within all lifts and lead within Airport Premises as directed by Engineer-in-Charge.

Construction of Embankment with moorum of minimum CBR 12% in layers not exceeding 20 cm in depth, breaking clods, watering, rolloing each layer with compactor /vibratory roller of minimum 8-12 tonne capacity including levelling to the required grade and camber dressing etc. to achieve relative compaction as per Technical Specifications and as per IS 2720(Part-8) and as per MORTH specification, and as per direction of the Engineer-in-charge. (Payment to be made for compacted quantity only).

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers withgrader in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density. Laying Using Grader

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 table 600-1, 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, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing.

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 Fixed form paver / Manual Method 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 Techanical 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: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.

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) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources)

Dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 2000 metres, stacking serviceable and unserviceable materials separately

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

Centering and shuttering including strutting, propping etc. and removal of form for all heights: Foundation, footing, bases of columns etc., for mass concrete.

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

Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS:.9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level : Concrete of M10 grade with minimum cement content of 220 kg /cum

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Rapid Hardening/ High early strength Portland Cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level -Concrete of M-35 grade with minimum cement content of 370 kg /cum

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

Constructing brick masonry manhole in cement mortar 1:4 ( 1cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominalsize), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design. : Inside size 120x90 cm and 90 cm deep including C.I. cover with frame (heavy duty) 560 mm internal diameter, total weight of cover and frame to be not less than 208 kg (weight of cover 108 kg and weight of frame 100 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

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. 450 mm dia RCC pipes.

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 applying tack coat using bitumen emulsion (Rapid setting) complying with IS:8887, spraying the bitumen with mechanically operated spray unit at the rate specified below, cleaning and preparing the existing pavement surface as per specifications complete in all respects as per direction of Engineer-In-Charge. If the actual quantity of bitumen varies from the quantity specified, 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 bitumen exclusive of GST shall only be considered for payment. 0.30 Kg/Sqm on existing concrete surface.

Providing and applying tack coat using bitumen emulsion (Rapid setting) complying with IS:8887 , spraying the bitumen with mechanically operated spray unit at the rate specified below, cleaning and preparing the existing pavement surface as per specifications complete in all respects as per direction of Engineer-In-Charge. If the actual quantity of bitumen varies from the quantity specified, 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 bitumen exclusive of GST shall only be considered for payment. 0.20 Kg/Sqm on existing bituminous surface

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 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 laying of Hot Mix Dense Bituminous Macadam (DBM) using crushed stone aggregate of quality, size and grading as specified and stone dust as filler 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% stone dust 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 stone dust as filler 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% Stone dust 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 stone dust as filler 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% stone dust by weight of aggregates as filler material].

Providing and erecting 2.00 metre high temporary barricading at site; each panel of size 2.50mx2.00m made of 40x40x6mm angle iron or 50x50x3mm hollow MS tube posts/horizontal members/bracings covered with 1.63mm thick MS sheet. The sheet shall be fixed with 30x5mm MS flat by suitable welding/riveting. The panels shall be made so that gap of 50cm above the ground is available making overall height as 2.5m. MS channel ISLC 75 @ 5.70 kg/m, 50cm long shall be provided at the bottom having oval shaped holes of size 50x25mm at both ends with 50cm long MS angle 40x40x6mm bracing. Suitable arrangement shall be made to fix the barricading to avoid from overturning by providing 250mm long expansion fasteners at both ends. The work shall be executed as per drawing/direction of Engineerin- Charge which includes writing and painting, arrangement for traffic diversion such as traffic signals during construction at site for day and night, glow lamps, reflective signs, marking, flags, caution tape as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. Rate include its maintenance for damages, painting, all incidentals, labour materials, equipments and works required to execute the job. The barricading shall not be removed without prior approval of Engineer-in-Charge. (Note :- One time payment shall be made for providing barricading from start of work till completion of work i/c shifting. The barricading provided shall remain to be the property of the contractor on completion of the work).

Supply of following holed CI isolating transformer housing box, water tight round type, metal container of outside dia 330mm, height 450mm made of 10mm thick cast iron moulding all round, except the top surface which is 15mm thick, cast iron moulding suitable to receive light fitting base plate on the top and having clear holes at side surfaces diametrically opposite, centre 75mm above bottom to receive one number each of 50mm dia C class GI pipe chek nuts as required. The box should have 2nos SS earth bolts M10*30mm tapped inside near the hole (4" away from the hole centre) and having a drain hole at the bottom tapped to receive is 15mm dia B class GI pipe and having clear opening of 220mm at the top surface and 6 nos M10 tapped hole as per specification as required.

Double Hole

Installation of isolation transformer housing boxes in concrete (to be fixed along with concreting of apron/shoulder ) with top projecting 20 to 25mm above finished apron surface, top sloped with 1:2:4 cement to match apron/shoulder level including providing and fixing of 250 mm long 15 mm dia.ISI marked "C" class GI pipe for drainge of water, fixing of 50mm dia GI pipe in respective holes with double check nuts (one inside and one outside the box) including excavation of earth if required etc. complete as required. (ref. technical specification for more details)

Supplying and laying of 50mm size ISI marked C class GI pipe and accessories such as coupling, bends, PVC sleaves etc for taking AGL cable to the transformer housing box ( to be fixed along with concreting of apron/shoulder) at a required depth to match the cable entry hole of isolation transformer housing box, cutting , threading the ends if required to housing box using check nuts etc. complete as required.

Supplying and laying of 50 mm OD size, PE 100 PN 6 ISI marked HDPE and accessories such as coupling, bends, PVC sleaves etc. for takling AGL cable to the transformer housing box (to be fixed along with concreting of apron/shoulder) at a required depth to match the cable entry hole of isolation transformer housing box, cutting, threading of the ends if required for connecting to housing box using check nuts etc. complete as required.

ANISH INFRACON INDIA PVT. LTD. (BID ID -872089)

Brahma Infra (BID ID -872709)

KVR Construction Heights Pvt Ltd (BID ID -871498)

R K Chavan Infrastructure Pvt Ltd (BID ID -872738)