Construction of new Localizer and Glide Path Building Hut and Antenna platform at LBSI Airport, Varanasi

Civil Works

Providing and fixing of one no. prefabricated frangible hut for Glide path and DME (designed as per criteria mentioned in ICAO’s Aerodrome Design Manual (DOC 9157) Part-6) of size 9.4 m X 5.0 m and 3.0 m height along the wall and 3.5 meterheight at the centre,made of sandwich panel of 2mm thick FRP/ GRP sheet at the outer sides and middle part consists of PU foam of density 40 kg/m3 which has to be installed in to the operational area.the prefabricated frangible hut shall consist of following - a) Provision of one number of partition wall with partially Glass door & locking arrangement. b) Provision of one number of main door on the longer side wall with necessary locking arrangement. c) Provision of holes as per approved drawing on walls for electrical cables, split air conditioning system , Communication cables including necessary fixing arrangement for electric fittings ,fixtures & NAV ADIS installations in cabin as per approved drawing. d)The exterior of the hut shall be painted with design of white and red squares (2 feet X 2 feet) as per direction of EIC. e) The cost of the hut is inclusive of design, , fabrication, transportation, all taxes excluding GST and commissioning of the hut at the proposed site as per drawing and specification over a Cement Concrete platform (Required civil work shall be paid separately). All activities shall be executed as per approved Drawaing and direction of Engineer-in-charge

Providing and fixing of one no. prefabricated frangible hut for toilet of Localizer and Glide path (designed as per criteria mentioned in ICAO’s Aerodrome Design Manual (DOC 9157) Part-6) of size 1.8 m X 1.2 m and 2 m height along the wall and 2.30 meterheight at the centre,made of sand witch panel of 2mm thick FRP/ GRP sheet at the outer sides and middle part consists of PU foam of density 40 kg/m3 which has to be installed in to the operational area.the prefabricated frangible hut shall consist of following - a). Provision of one number of main door with necessary locking arrangement. b). Provision of holes as per approved drawing on walls for water supply, drainage, electrical cables including necessary fixing arrangement for electric fittings,fixtures as per approved drawing. c)The exterior of the hut shall be painted with design of white and red squares (2 feet X 2 feet) as per direction of EIC. d). The cost of the hut is inclusive of design, , fabrication, transportation, all taxes excluding GST and commissioning of the hut at the proposed site as per drawing and specification over a Cement Concrete platform (Required civil work shall be paid separately. All activities shall be executed as per approved Drawaing and direction of Engineer-in-charge

Providing and fixing of one no. prefabricated frangible hut for localizer(designed as per criteria mentioned in ICAO’s Aerodrome Design Manual (DOC 9157) Part-6) of size 8.0 m X 5.0 m and 3.0 m height along the wall and 3.5 meter height at the centre,made of sand witch panel of 2mm thick FRP/ GRP sheet at the outer sides and middle part consists of PU foam of density 40 kg/m3 which has to be installed in to the operational area.the prefabricated frangible hut shall consist of following - a). Provision of one number of main door with necessary locking arrangement. b). Provision of holes as per approved drawing on walls for water supply, drainage, electrical cables including necessary fixing arrangement for electric fittings,fixtures as per approved drawing. c). The exterior of the hut shall be painted with design of white and red squares (2 feet X 2 feet) as per direction of EIC. d). The cost of the hut is inclusive of design, fabrication, transportation, all taxes excluding GST and commissioning of the hut at the proposed site as per drawing and specification over a Cement Concrete platform (Required civil work shall be paid separately. All activities shall be executed as per approved Drawaing and direction of Engineer-in-charge

Providing and fixing of one no. prefabricated frangible hut for Far Field Monitor (FFM) (designed as per criteria mentioned in ICAO’s Aerodrome Design Manual (DOC 9157) Part-6) of size 2.0 m X 2.0 m and 3.0 m height along the wall and 3.5 meter height at the centre,made of sand witch panel of 2mm thick FRP/ GRP sheet at the outer sides and middle part consists of PU foam of density 40 kg/m3 which has to be installed in to the operational area.the prefabricated frangible hut shall consist of following - a). Provision of one number of main door with necessary locking arrangement. b). Provision of holes as per approved drawing on walls for water supply, drainage, electrical cables including necessary fixing arrangement for electric fittings,fixtures as per approved drawing. c). The exterior of the hut shall be painted with design of white and red squares (2 feet X 2 feet) as per direction of EIC. d). The cost of the hut is inclusive of design, fabrication, transportation, all taxes excluding GST and commissioning of the hut at the proposed site as per drawing and specification over a Cement Concrete platform (Required civil work shall be paid separately. All activities shall be executed as per approved Drawaing and direction of Engineer-in-charge

Vetting of Frangible hut mentioned at Item no. 1,2,3 & 4 by any Government Institute as per the direction and satisfaction of EIC

Supply & fixing of 1000 Ltr Bio digester (Max solid waste usage 25-30 ltr per day) with Anaerobic microbial inoculum (200 liters) as per manufacturer specification approved by DRDO and direction of EIC.

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of ratio 1:1.5:3 of specified diameter and length below the pile cap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. by percussion drilling using Direct mud circulation (DMC) or Bailer and chisel technique by tripod and mechanical Winch Machine all complete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to bottom of pile cap). 1) 450 mm dia piles

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil. Pipes, cables etc, not exceeding 80 mm dia.

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 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 : 1:2:4 (1 cement : 2 coarse sand : 4 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 : 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

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, 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, finishingand reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. 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 M25 grade with minimum cement content of 330 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, 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, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. 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 above plinth level upto floor V level Concrete of M25 grade with minimum cement content of 330 kg /cum

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size).

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

Centering and shuttering including strutting, propping etc. and removal of form for : Lintels, beams, plinth beams, girders, bressumers and cantilevers

Centering and shuttering including strutting, propping etc. and removal of form for : Columns, Pillars, Piers, Abutments, Posts and Struts

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.

Brick work with common burnt clay modular bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement Mortar 1:4 (1 cement : 4 coarse sand).

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing 1 mm thick M.S. sheet sliding-shutters, with frame and diagonal braces of 40x40x6 mm angle iron, 3 mm M.S. gusset plates at the junctions and corners, 25 mm dia pulley, 40x40x6 mm angle and Tiron guide at the top and bottom respectively, including applying a priming coat of approved steel primer.

Cement concrete pavement with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), including finishing complete.

Providing and laying Vitrified tiles in floor in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS:15622, of approved brand & manufacturer, in all colours and shade, laid on 20 mm thick cement mortar 1:4 (1 cement: 4 coarse sand) jointing with grey cement slurry @3.3 kg/sqm including grouting the joints with white cement and matching pigments etc. The tiles must be cut with the zero chipping diamond cutter only. Laying of tiles will be done with the notch trowel, plier, wedge, clips of required thickness, leveling system and rubber mallet for placing the tiles gently and easily.1)Glazed Vitrified tiles Matt/Antiskid finish of size

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 110 mm diameter

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

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

6 mm cement plaster of mix : 1:3 (1 cement : 3 fine sand)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :1)Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture

Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over 50 mm thick compacted bed of sand, compacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweepingextra sand. complete all as per direction of Engineer-in-Charge. 1) 80 mm thick C.C. paver block of M-35 grade with approved colour design and pattern.

Providing and fixing white vitreous china pedestal type water closet (European type W.C. pan) with seat and lid, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever), conforming to IS : 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required : W.C. pan with ISI marked white solid plastic seat and lid

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps,32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require : White Vitreous China Wash basin size 630x450 mm with a single 15 mm C.P. brass pillar tap.

Providing and fixing 600x450 mm beveled edge mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. 15 mm nominal outer dia Pipes

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. 40 mm dia nominal bore

Providing and placing on terrace (at all floor levels) polyethylene water storage tank ISI : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. Circular tank

Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931 : 15 mm nominal bore

Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS: 8931. 15 mm nominal bore

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 150 mm dia. R.C.C. pipe

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres.

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 Engineerin-Charge 1)With material conforming to Grade-I (size range 75 mm to 0.075 mm) having CBR Value-30

Cement concrete 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 10, 20 & 40 mm nominal size) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete. Note-Compaction shall be done with needle vibrator and screed vibrator. The panel shall be made with C-Channel of the full height of concrete to be laid and floater mahine will be applied there upon and proper texture will be made with brooming, applying curing compound of approved make as per manufacturer's specification. Initially Mechanically cutting of dummy joints 3mm wide x 1/3rd thickness shall have to cut. Subsequently groove cutting as per dummy / construction/expansion joints will be done 10mm width x 50mm deep as per satisfaction of Engineer-in-Charge and Nothing extra shall be paid for performing these activity.

Cleaning & filling dummy/longitudinal/transverse Joints in existing PQC with polysulphide joint sealing compound (confirming to grade BS:5212, Part-I, 1990 or IS:11433-1995) of approved make Dr. Fixit/Sika/Fosroc/Clean coat/Choksey/STP or equivalent including painting the sides of slab with approved primer and filling the groove 10mm width x 25mm deep including inserting the backer rod of appropriate dia of approved make to receive the specified sealing compound, providing and applying bond breaking tape and masking tape on top edges of joint to prevent accidental spillage of sealant on top surface and to give a neat finish to the sealant has been applied and tooled, all complete as per specification and direction of Engineer-in-Charge Note: This work shall be carried out through authorized or experienced applicator of M/s CHOKSY/SIKA/ PIDILITE /STP/Clean Coat etc.

Providing and applying fibre reinforced elastomeric liquid water proofing membrane with resilient acrylic polymers having Sun Reflectivity Index (SRI) of 105 on top of concrete roof in three coats @10.76 litre/ 10 sqm. One coat of self-priming of elastomeric waterproofing liquid (dilution with water in the ratio of 3:1) and two coats of undiluted elastomeric waterproofing liquid (dry film thickness of complete application/system not less than 500 microns). The operation shall be carried out after scrapping and properly cleaning the surface to remove loose particles with wire brushes, complete in all respect as per the direction of Engineerin-Charge

Supplying and installation ,Testing and commissioning of Hand pump including boring for each hand pump of dia 250 mm for a depth of approx 60 m, providing PVC casing pipe of dia 125 mm with bottom slotted pipe for a depth of about 12 m and with plain pipe for a depth of about 42 m, Indian Mark -II Hand pump with GI pipe and suction rod below it complete with other associated accessories and development works of borewell including platform 4x4 as per specification & direction of Engineer-in-Charge. b) Providing and lowering of single phase submersible pump set with minimum 1 HP motor (water filled type) and suitable stage pump (As per approved make) suitable for discharging water at sufficiently good yield (At least 30 ltr per minutes) suitable for approximate head of 70-75 mtr including supplying and fixing of PVC coated wire rope for pump support and safety, control panel/starter suitable for relevant motor, 3 core 1.5 sq.mm. flat subermsible cable, 40 mm outer dia ISI HDPE pipe (min 8kg/sq.cm., PE-63) conforming to IS 4984:2016 complete including supplying fixing and lowering, commissioning and testing of all above items as per complete satisfaction and direction of EIC.

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 filling available earth obtained for subgrade, embankment, depressions as required in layers not exceeding 20 cm (loose) in depth (or any thichness as approved by EIC, 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 lease 95% the maximum dry density obtained in laboratory conditions (modified proctor density) as per IS : 2720 (part VIII) complete including levelling , fine dressing to the required grade, camber and slope complete as per MoRTH specification and as directed by Enginner-in-charge (EIC) with all leads and lifts. (The item includes cost of excavation, carriage of available earth upto work site for all leads and lifts and compaction. Payment shall be made for compacted quantity only.

Providing, cutting and lying anti static mat on the floors of LLZ and GP huts as per required size and shape etc all complete as per direction and satisfaction of Engineer In charge.

Add for using extra cement in the items of design mix over and above the specified cement content therein.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc.External work 80 mm dia nominal bore

Providing and fixing in position wall panelling at all heights with integral densified calcium silicate panels/tiles of size 595 x 595 mm, having NRC (Noise Reduction coefficient) of 0.50 (minimum) as per IS 8225:1987, Light reflectance of 85% (minimum). Non combustible as per BS:476 (part-4), fire performance as per BS:476 (part 6 &7), humidity resistance of 100%, thermal conductivity <0.043 W/m K as per ASTM 518:1991, comprising of a frame made from especially fabricated galvanised mild steel sheet 0.50 mm thick pressed section (galvanizing @120 grams per sqm including both sides) i.e.vertical studs of size 48 x 34 x 36 mm are placed at 600 mm centre to centre in a floor and ceiling channel section of size 50 x 32 mm fixed to the floor and soffit at 600 mm centre using 12 mm dia,50 mm long wedge type expanded zinc alloy dash fastner with 10 mm bolt. This same channel is then to be fixed in horiziontal direction at 600 mm centre to centre so as to form a grid of 600 mm x 600 mm. Glasswool of 50 mm thickness is then to be inserted in the slots and finally calcium silicate non combustible panels/tiles are to be screw fixed with self tapping pan head nickel coated mild steel screws of size 13 x 3.2 mm on to this grid leaving an even groove of 1 mm between the panels. The joints between the panels are to be duly jointed and finished using recommended jointing calcium silicate based compound and fiber joint tape roll 50 mm wide (90 metre )roll and two coats of primer suitable for panelling as per manufacturer’s specification as per direction of Engineerin- Charge all complete. a) With 15 mm thick fully perforated square/butt edge light weight calcium silicate panels/ tiles

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