Construction of Phase II Apron and Delta Taxi Track at Patna Airport

Amount

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).

Centering and shuttering including strutting, propping etc. and removal of form work for :Foundations, footings, bases for columns

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

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

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

Add / deduct for using extra/ less cement in the items of design mix (Item no. 6 & 17) over and above the specified cement content therein.

Demolishing brick work by mechanical means and disposal of unserviceable material within 10km lead as per direction of Engineer-in-charge.:In cement mortar

Demolishing R.C.C. work by mechanical means and stockpiling at designated locations and disposal of dismantled materials up to a lead of 1 kilometre, stacking serviceable and unserviceable material separately including cutting reinforcement bars.

Prepartion and consolidation of sub grade with power road roller/Vibratory road roller of 8 to 12 tonne capacity, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade.

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.

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 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper 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.

Construction of dry lean cement concrete sub base over a prepared subgrade 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 Engineer-in-charge.

Supplying and filling approved good quality earth including royalty brought from outside approved sources/queries (excluding rocks/pebbles etc.) below Apron, Taxi track, shoulder etc. in layers not exceeding 20cm in depth, breaking clods, watering and consolidating each layer with power roller of minimum 8 tonnes and dressing up as per the designed slope and compacting under optimum moisture conditions to give at least 98% of the maximum dry density (Modified Proctor Density) as per IS code 2720 (part VIII). Material with minimum CBR value of 8% shall be ensured.

Providing and placing in position 100 mm thick factory made machine batched & machine mixed Precast RCC Rectangular Covers on drains of footpath of various sizes, of M-25 grade cement concrete for RCC work, including cost of centering, shuttering, reinforcement of 8 mm dia TMT bars of Fe 500 grade @ maximum 100mm c/c on both ways , neat cement punning on finished surface, properly encased on all edges with 1.6 mm thick , 100 mm wide MS sheet duly painted over priming coat , reinforcement to be welded at edges with MS sheet and providing 2 Nos. 12 mm dia bar for hooks etc i/c cost of cartage, all leads & lift, handling at site etc. all complete as per direction 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 45/53 grade or Portland Pozzolana Cment 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 40mm nominal size in appropriate proportion as per specification and job mix formula, laid in panels as per drawings/desing as approved by the Engineer-In-charge using Slip form Paver or Fiexed form paver including anti friction layer, joint filler board, making necessary provision for expansion, dummy and construction joint including filling with Polysulphide sealant fo 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) Proving 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, 45mm from top(to be removed at the time of filling of Ploysulphide 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 joints10mm wide x 25mm deep as per specification. (iv) Proving and laying in position Ploysulphide sealant of approved make conforming to BSD-5212-1990 or IS::P 11433-1995 in expansion/ construction/ dummy joints including rounding off edges, applying 2 coats of approved primer compatible with the brand of Ploysulphide 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 joint of size 25mm wide and 10mm deep oer 30mm dia expanded closed-cell Ployethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufactures's specifications and specified sketch. (b) Construction Joints of size 10mm wide and 10mm deep over 12mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufactures's specifications and specified sketch. (c) Dummy Joints of size 10mm wide and 10mm deep over 12mm dia expanded closed-cell Polyethylene foam back-up/backer rod of minimum density 22 Kg/Cum, as per manufactures's specifications and specified sketch. (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 plastizcizer for one cum. of finished concerete specified are for tendering purpose only. The contractor shall quote his rates assuming quantity of OPC cement as 360 Kgt/Cum or 400Kg of Portland Pozzolana Cement/Portland Slag cement. in addition, if the actual quantity of cement & super plasticizer required as per loboratory mix design varies from the quantity assumed above, necessary cost adjustment for deviation in the quantity of cement and super plasitcizer as per mix design, if any, shall be done as per the rate of cement and super platicizer in actual supply voucher from manufacturer/authorized dealer at the time of excution. In the case of authorized distrubutor, the rate may be authenticated by the manufacturer. The rate of cement and super plasticizer exclusive of GST shall only be considered for payment.

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 mater;al etc. and lining out complete.: New work (Two or more coats)

Providing and Erecting 2.4 mtr high temporary barricading at site. The item shall consist followings( 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):- (i)Providing and erecting 2.40 metre high temporary barricading at site made of M.S Sheet 1.63mm thick as per drawing/direction of Engineer-in-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 maintenence 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. (ii) Providing and fixing concertina coil fencing over the 2.4 m heigh temporary barricades with punched tape concertina coil 600 mm dia 10 metre openable length (total length 90 m), having 50 nos rounds per 6 metre length, upto 3 m height of wall including angle iron 'Y' shaped placed 3.00 m apart and with 9 horizontal R.B.T. reinforced barbed wire, stud tied with G.I.'staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, all complete as per direction of Engineer-in-Charge, with reinforced barbed tape(R.B.T.)/Spring core (2.5mm thick) wire of high tensile strength of 165kg/sq.mm with tape (0.52 mm thick) and weight 43.478 gm/metre(cost of M.S. angle shall included in the item)

Carrying out Plate Load test to determine Modulus of Subgrade reaction (K - value) at sugrade/ subbase / base layer or at locations decided by the Engineer-In-Charge as per IS Code 9214-1979 and submission of test results as per direction of Engineer -in- Charge. The test should be carried out by the specialised agency/ firm as approved by the Engineer -In Charge.

Providing and laying Non pressure NP-4 class (Heavy duty) R.C.C pipes including collars/spigot joined with stiff mixture of cement mortar in the proportion of 1:2( e cement : 2 fine sand) including testing of joints etc. complete. a. 900mm dia RCC pipes.

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality EHD - 35 Circular shape 560 mm internal dia

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete

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 40 mm nominal size)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: (a) Cement mortar 1:6 (1 cement : 6 coarse sand)

12 mm cement plaster of mix : (a)1:6 (1 cement: 6 coarse sand)

15 mm cement plaster on rough side of single or half brick wall of mix: (a) 1:6 (1 cement: 6 coarse sand)

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

Supply of Elevated type LED Taxiway Edge light fitting (MIRL fitting) (Minimum 1.0 Watt) for use as Taxiway / Apron Edge /Turning Pad lights suitable for operation at 2.8 Amps to 6.6 Amps series circuit supply current complete with suitable LEDs, omni-directional lens, lens clamping mechanism, breakable coupling, rings /gaskets, base plate with minimum 03 nos. M-10 stainless steel bolts and including an integrated encapsulated suitable electronic converter with standard secondary lead with weather proof female socket etc. complete fitting confirming to latest ICAO standards /requirement complete as required.

Supply of INSET type LED Taxiway Edge light fitting (MIRL fitting) for use as Taxiway / Apron Edge /Turning Pad lights suitable for operation at 2.8 Amps to 6.6 Amps series circuit supply current complete with suitable LEDs, omni-directional lens, lens clamping mechanism, breakable coupling, rings /gaskets, base plate with minimum 03 nos. M-10 stainless steel bolts and including an integrated encapsulated suitable electronic converter with standard secondary lead etc. complete fitting confirming to latest ICAO standards /requirement complete as required.

Supply of high intensity, bi-directional 12 inch dia. INSET Type runway edge light fixtures with shallow base bottom box and matching body of the fitting, inner body and outer cover complete to suitable for mounting the fitting in pavement along with 02 nos. 105W/6.6 A pre-focus halogen lamp long life 1000 h at full intensity, reflector , filter/prism(clear/yellow/red) as per EIC instruction), two pin secondary lead, gasket and other accessories etc. The fitting shall be of low protrusion type and the prism shall be of replaceable type without applying any compound. The photometrics of the fitting arrangement shall confirm to ICAO annex-14 vol 1 para 5.3.4 mechanical requirements to FAA AC 150/5345-46 (Current edition) and confirming to relevant standards, specifications as per the requirements.

Design, Supply, Installation, Testing and Commissioning of FAA compliant, indoor type Micro-processor based Constant Current Regulator(CCR) suitable for remote as well as local control operations with 5 position brightness control (6.6A maximum current corresponding to 100% brightness) on input voltage 230/415 V, 50 Hz., AC supply, provision for control supply with all switchgears, CCR protections, connection/ interconnections etc.and confirming to tenders technical specifications, terms & conditions etc. complete as required. (a) 7.5 KW, 6.6A output current

Supply of following rating 5KV, 50 Hz individual lamp series type Isolating Transformer suitable for above installation encapsulated in polyester resin & finally molded in neoprene rubber with primary and secondary connection leads complete and confirming to tenders technical specifications, terms & conditions etc. complete as required. (a) 200 W, 20 A / 6.6A

Supply of following rating 5KV, 50 Hz individual lamp series type Isolating Transformer suitable for above installation encapsulated in polyester resin & finally molded in neoprene rubber with primary and secondary connection leads complete and confirming to tenders technical specifications, terms & conditions etc. complete as required. (a) 15W, 6.6A / 6.6A

Supply of following size copper conductor two pin secondary leads suitable for airfield lighting system and conforming to technical specifications complete as required. (a) 2CX2.5 sqmm & 8 meter long

Supply of C.I Isolating transformer housing box, water tight round type, metal container of outside size 330 mm, height 450 mm, made of 10 mm thick cast iron moulding all round, except the top surface, which is 15 mm thick, cast iron moulding suitable to receive a light fitting base plate on the top and underground housing associated with transformer power cable and having a clear hole at three side surface centre 75 mm above bottom surface suitable to receive of 50 mm dia (outer dia) HDPE pipe and including check nuts as required and another hole at 175 mm from the bottom of the CI box to receive one no. 15 mm dia, "B" class, GI pipe and check nut as required. The box should have two SS earth bolts of M10 x 30 mm tapped inside near the hole away from the hole centre and having a drain hole at the bottom suitably tapped to receive 15 mm dia, "B" class GI pipe and having clear opening of 220 mm at the top surface and 6 nos. M10 tapped hole at the hole centre 260 mm to receive fitting base plate and bolts with blanking plate of MS of Min. thickness of 10mm complete as required. Three Hole type

Supply of 5 KV grade plug and receptacle (ESNA) of type - I Class B connector and suitable for field attachment with 5 KV grade PVC insulated, PVC sheathed single core of following size copper conductor cable conforming to technical specifications etc complete as required. (a) Single core 6 sq mm copper conductor cable and 16 sq.mm. copper conductor cable

Supply of square shaped CI Collars of side 330mm X 330 mm,height 150mm,10mm thick C.I. moulding all around except top surface which is 15 mm thick with 220 mm openining on top & bottom with 6 Nos. M-10 tapped hole & hole centre of 260mm to recieve bolts for installation of Elevated Runway/Taxi edge light fixtures and a clear hole at one side surface centre 40 mm above bottom surface suitable to receive of 25 mm outer dia. G.I. pipe etc complete as required as per specifications and as directed by EIC.

Fabrication, Supply, Installation,Testing & commissioning of internally illuminated LED based Mandatory / Information/ location/ VOR check point Runway/ Taxiway guidance signage of various size made out of 4mm thick glare free poly carbonate sheet at front and body made out of 2 mm thick powder coated aluminum profile having minimum width of 150mm and supported at back by 50mm dia (Nominal size),3mm thick, die cast aluminum pipe at a separation and frangible coupling as required.Light Source shall be highly luminious, long life typical 50,000 Hrs. type, 0.5 watts LED's assembled on aluminum PCB of size 700mm X 20mmX2mm having 11 LED's per PCB for boards having height 800mm or more & 500mmX20mmX2mm PCB having 8 LED's per PCB for board having height 600mm respectively.These aluminium PCB should be places not more than 160mm apart across the length of the board in order to ensure uniform distribution of light across the board.Efficiency of LED shall have delivered minimum output 95 lumens per watt and colour temperature should be more then 5000 Kelvin with proper heat dissipation. The signage boards with length varying from 800 mm to 3000mm shall be suitable for operation on series circuit at variable current from 2.8 amp - 6.6 amp (brightness of the signage should be constant with current variation) including supply and installation of suitable single capacity/ wattage electronic converters and isolating transformers for entire length of sign boards. All the signage shall have letters and symbols made by computerized cutting of vinyl and pasting on the polycarbonate sheet from inside/outside of the sign face of required color as per ICAO Annex 14 Vol1(legends as approved by EIC).Scope of work shall included for Installation of mounting each legs with grouting accessories i.e anchor bolts,washer, frame,base plate etc. complete as required but excluded civil concrete works.

Supply of Electronic Converters for LED based airfield signages boards having height 800mm and length varying from 800mm to 3000mm & suitable for operation on series circuit, input current varying from 2.8A to 6.6A and provide constant brightness for all current variation etc as required as directed by EIC.

Supply of following sizes 5 KV grade PVC insulated & PVC sheathed, antitermite & anti-rodent, multi-stranded copper conductor single core Airfield lighting cable confirming to IS 1554 (Part-II) with up to date amendments and confirming to tenders technical specifications, terms & conditions etc. complete as required. (a) 1 core X 6 sq mm

Supply of following sizes 5 KV grade PVC insulated & PVC sheathed, antitermite & anti-rodent, multi-stranded copper conductor single core Airfield lighting cable confirming to IS 1554 (Part-II) with up to date amendments and confirming to tenders technical specifications, terms & conditions etc. complete as required. (a) 1 core X 16 sq mm

Supply of MS Dummy plate of size 310mm dia X 10 mm thick with Rubber gasket and M10 X 40 SS bolt set of six with spring washers.

Supplying and making cable route marker with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) of size 60 cm X 60 cm at the bottom and 50 cm X 50 cm at the top with a thickness of 10cm including inscription duly engraved as required.

Supply of following size ISI marked, HDPE pipe confirming to IS-4984-1995 with up to date amendments and confirming to tender’s technical specifications, terms & conditions i/c loading, unloading etc. complete as required. (a) 50 mm (OD), PN-10, PE 100

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required. Details of cost for one Set

Providing and fixing 6 SWG dia G.I. wire along with UG cable in direct Ground/Trench/ HDPE/GI Pipe etc complete as required.

Installation of elevated light fixtures for runway edge/Appraoch/Taxi/Turning pad on existing transformer housing box/Collar& pipe withsuitable arrangement to receive light fixtures with all required accessories i/c alignment, levelling, setting of fixture, connection/inter-connection with isolating transformer & light fixtures i/c testing & commissioning complete as per required and confirming to tenders technical specifications, terms & conditions etc. complete as required.

Installation, Testing and Commissioning of INSET type LED Taxiway Edge light fitting (MIRL fitting) by cutting the PCC manually or with the core cutting machine for 12 inch shallow base and fixing with suitable compound with side cable entry and all assemblies of the fitting in order as per ICAO norms including making necessary connections with secondary lead, plug and sockets and sealing with the rubber / PVC tape etc. complete as required

Installation, Testing and Commissioning of INSET Type High intensity light fitting by cutting the PCC manually or with the core cutting machine for 12 inch shallow base and fixing with suitable compound with side cable entry and all assemblies of the fitting in order as per ICAO norms including making necessary connections with secondary lead, plug and sockets and sealing with the rubber / PVC tape etc. complete as required

Installation of transformer housing boxes with a base concrete of 1:3:6 of size 630 x 630 x 100 mm thick all round concrete of 1:2:4, 150 mm thick, the top sloped with 1:2:4 cement including providing and fixing 250 mm long 15 mm dia "B" Class GI pipe with check nut for drainage of water including excavation of side shoulder and refilling etc complete as required.

Installation of C.I. flange (Collar) on the runway shoulder & making suitable slope of cement concrete1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) of raised height of flange with existing surface of runway as per ICAO Standard i/c provide check nut for 25 mm outer dia. as per direction of E-I-C and confirming to tenders technical specifications, terms & conditions etc. complete as required.( whereever the collar are not in a line the same has to be aligned in such a way that the centre fall in a straight line).

Laying of following size HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 4984-1995 with upto date amendments ,complete with fitting and cutting, jointing etc.direct in ground including excavation, refilling and making good etc., complete as required as per site condition & direction of Engineering In-Charge.(a) upto 50 mm

Laying of following size ISI marked, HDPE pipe confirming to IS-4984-1995 after Cutting of Bituminous/paved surface (flexible/ rigid) and laying of GI/ HDPE pipe upto 50 mm at a depth of upto 200 mm including making the surface good with cement concrete (1:2:4)complete as required. (a) upto 50 mm

Laying of HDPE Pipe by HDD method including preparing & setting up the plant & Machinery, includes jointing, reamring and pulling of HDPE pipe upto 200mm pipe . Price for Soft Soil

Laying of following sizes outer dia. HDPE pipe in the existing trench/masonary open duct including coupling, splicing,jointing of pipe etc complete as required. (a) upto 50 mm dia

Exacavation for foundation/cable trench in soft soil depth upto 1.5 mtr including dressing of sides and ramming of bottoms including getting out and disposal of surplus excavated soil as directed by EIC

Constructing brick masonary manhole chamber of min. outside dimension 1.2m x 1.2m x 1.1m with medium class bricks in cement mortar 1:6 (1 cement : 6 coarse sand) R.C.C. top slab of 100mm thick with mix 1:2:4 cement concrete (1 cement : 2 coarse sand : 4 graded stone of aggregate 20mm nominal size), foundation concrete 1: 4: 8 mix (1 cement : 4 coarse sand : 8 graded stone of aggregate 40mm nominal size) in side plastering 12 mm thick with cement mortar 1:4 (1 cement : 4 coarse sand). 02 nos. of equal sizes RCC slabs/covers should be provided in a MS angle frame work of size (35m x 35 x 3mm) at the 04 nos. of edges on top and bottom of the slab.

Making field connections by Plug or receptacles for existing secondary 2 x 4 sqmm cu cable from isolating transformer to Airfield light fittings including applying PVC insulation tape etc complete as required .

Laying of following sizes 5 KV grade PVC insulated & PVC sheathed, antitermite & anti-rodent, multi-stranded copper conductor single core Airfield lighting cable confirming to IS 1554 (Part-II) in the existing Pipes/Trenches with up to date amendments and confirming to tenders technical specifications, terms & conditions etc. complete as required. (a) up to 1 core X 16 sq mm

Supply of Heavy duty class C 25 mm Dia. GI Pipe confirming to IS 1239