Replacement of ILS and Glidepath at Begumpet Airport, Hyderabad SH Civil Works

Amount

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

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).

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).

Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete.

Brick work with clay flyash F.P.S. (non modular) brick of class designation 5.0 in superstructure above plinth level up to floor five level in :Cement mortar 1:4 (1 cement : 4 coarse sand)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size).

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

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 : Columns, Pillars, Piers, Abutments, Posts and Struts

Providing and fixing, in position concealed G.I. section for wall paneling using board of required thickness fixed on the 'W' profile (0.55 mm thick) having a knurled web of 51.55 mm and two flanges of 26 mm each with lips of 10.55 mm, placed @ 610 mm C/C in perimeter channel having one flange of 20 mm and another flange of 30 mm with thickness of 0.55 mm and web of length 27 mm. Perimeter channel is fixed on the floor and the ceiling with the nylon sleeves @ 610 mm C/C with fully threaded self-tapping dry wall screws. Board is fixed to the 'W' profile with 25 mm countersunk ribbed head screws @ 200 mm C/C., all complete as per the drawing & directions of engineer-in-charge, the joints of the boards are finished with specially formulated jointing compound and 48 mm wide jointing tape to provide seamless finish. Gypsum board conforming to IS: 2095 Part -1. 12.5 mm thick

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. 40 mm thick with 20 mm nominal size stone aggregate

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 homogeneous polyvinyl chloride sheet/tile in flooring and skirting in approved pattern on a smooth and damp proof base using rubber based adhsives of approved quality and manufacturer like Dunlop S-758,Fevicol SR 998 or equivalent including rolling with ligh wooden roller weighing about 5 kg. all complete as directed by Engineer-in- charge, in approved colour and shade. 1.5 mm thick(rate per sqm with sheet)

Surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. All kinds of soil

Providing and Fixing 15 mm thick densified tegular edged eco friendly light weight calcium silicate false ceiling tiles of approved texture of size 595 x 595 mm in true horizontal level, suspended on inter locking metal grid of hot dipped galvanised steel sections (galvanising @ 120 grams per sqm including both side) consisting of main ‘T’ runner suitably spaced at joints to get required length and of size 24x38 mm made from 0.33 mm thick (minimum) sheet, spaced 1200 mm centre to centre, and cross “T” of size 24x28 mm made out of 0.33 mm (Minimum) sheet, 1200 mm long spaced between main’T’ at 600 mm centre to centre to form a grid of 1200x600 mm and secondary cross ‘T’ of length 600 mm and size 24 x28 mmmade of 0.33 mm thick (Minimum) sheet to be inter locked at middle of the 1200x 600 mm panel to from grid of size 600x600 mm, resting on periphery walls /partitions on a Perimeter wall angle pre-coated steel of size(24x24X3000 mm made of 0.40 mm thick (minimum) sheet with the help of rawl plugs at 450 mm centre to centre with 25 mm long dry wall screws @ 230 mm interval and laying 15 mm thick densified edges calicum silicate ceiling tiles of approved texture in the grid, including, cutting/ making opening“for services like diffusers, grills, light fittings, fixtures, smoke detectors etc., wherever required. Main ‘T’ runners to be suspended from ceiling using G.I. slotted cleats of size 25x35x1.6 mm fixed to ceiling with 12.5 mm dia and 50 mm long dash fasteners, 4 mm G.I. adjustable rods with galvanised steel level clips of size 85 x 30 x 0.8 mm, spaced at 1200 mm centre to centre along main ‘T’, bottom exposed with 24mm of all Tsections shall be pre-painted with polyster baked paint, for all heights, as per specifications, drawings and as directed by Engineer-in-Charge. Note :- Only calcium silicate false ceiling area will be measured from wall to wall. No deduction shall be made for exposed frames/ opening (cut outs) having area less than 0.30 sqm.The calcium silicate ceiling tile shall have NRC value of 0.50 (Minimum), light reflection > 85%, non- combustible as per B.S. 476 part IV, 100% humidity resistance and also having thermal conductivity <0.043 w/mK.

Providing and fixing windows (ECO 5000 SERIES of NCL Allteck Seccolar or Equivalent) made of pre-painted steel (Base steel as per IS 513 of 0.58mm thick galvanized as per IS 277 with Zinc of 120 GSM) primer coated with epoxy primer of 5-7 microns thick, finish painted with a polyester paint of 12-16 micron thick and back coated with 5-7 micron thick alkyd backer. Section for outer frame should be of 98X52mm, center mullion should be of 46X70mm, section for shutter frame should be of 46mmx46mm and section for glass beading should be of 18 mmX25 mm. Outer frame & mullion section to have rebate for glazed shutters, fly mesh and a 20mm provision for guard bars/grills. The sections are to be cut to length metre jointed with corner bracket made of polypropelene. Glass shutter should be mitre jointed with frame / mullion using nylon mullion cap EPDM gasket should be securely fixed alround the glass in shutter between the frame and glazedshutter and both side of fixed glass .Each glazed shutter should be provided with MS poweder coated friction hinges -1set , high grade aluminium powder coated handle with nylon receiver -1 no. Glass shutter and fixed glass portions should be provided with glass of 5 mm plain float glass of make saint gobain/AIS. Windows should be provided with grill made of 10mm powder coated MS square guard bars welded to 6mmx12mm powdercoated MS flat at a spacing of 100mm c/c .Grills to be fixed to window frame with 19 mm long GI self drilling screws.Corner brackets to be made of CRCA with zinc phosphating .Mullion caps be made of glass filled nylon .The frame should be fixed to the Concrete/ masonry wall by means of self-expanded screws driving MS electro plated 80mm long screws into the sleeves through the frame, etc complete for finished item of work.

Providing and laying water proofing treatment in sunken portion of WCs, bathroom etc., by applying cement slurry mixed with water proofing cement compound consisting of applying : a) First layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound@ 0.253 kg/sqm. This layer will be allowed to air cure for 4 hours. b)Second layer of slurry of cement @ 0.242 kg/sqm mixed with waterproofing cement compound @ 0.126 kg/sqm. This layer will be allowed to air cure for 4 hours followed with water curing for 48 hours. The rate includes preparation of surface, treatment and sealing of all joints, corners, junctions of pipes and masonry with polymer mixed slurry.

Diluting and injecting chemical emulsion for POST-CONSTRUCTIONAL anti-termite treatment (excluding the cost of chemical emulsion) : Along external wall where the apron is not provided using chemical emulsion @ 7.5 litres / sqm of the vertical surface of the substructure to a depth of 300 mm including excavation channel along the wall & rodding etc. complete: With Chlorpyriphos/ Lindane E.C. 20% with 1% concentration

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, including ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge. Second class teak wood, 35 mm thick shutters

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

Removing mortar from bricks and cleaning bricks including stackingwithin a lead of 50 m (stacks of cleaned bricks shall be measured): From brick work in cement mortar

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : Of area 3 sq. metres and below

Dismantling aluminium/ Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable surplus material and stacking of serviceable material with in 50 meters lead as directed by Engineer-in-charge.

Design, Manufacture and Supply of pre-fabricated outdoor cabinets of size 2900mm x 2400mm x 2400mm of out dimension with suitable arragements to mount the equiment rack. FDF , battery and battery stand in the floor and suitable arrangement for fixing the Optical Fiber Termination Box, CT Box, Krone in the Wall and runway ladder etc.. Walls and Roof has to be 2mm FRP sheet on inside and outside. The FRP sheets shall be provided with plain finish on both sides. Panel thickness:Minimum 40mm thick Rigid Polyurethane foam Sandwich Panel. PU foam must be CFC free self extinguishing, fire retardant type having density of 40 Kgs/cu.m. Thermal conductivity -less than 0.023 W/m° K Panel to Panel Joints: Joints in the vertical wall panels,wall to Ceiling Panels shall have dovetail construction and shall be provided with in-built, unpickable, eccentric camlocks. After erection the joints will be further sealed with silicon sealant to ensure no amount of moisture infress through these areas. Sloped Roof: Roof shall be made up of 2mm thick FRP facing on both sides of 40mm PUF material. Over all thickness on the Panel will be 40 mmThermal conductivity & Dimensional stability :The density of the foam is minimum 40 Kgs/m³ with thermal conductivity of 0.023 W/M Deg.K.(AGED) and dimensional stability over the temperature range of -60ºC t 100ºC. Door of size 850 X 2000mm made from kit having aluminium frame work, hinges, rubber seal, door handle etc.. Shall be provided above the door opening. Jointing System of Panels using ECCENTRIC CAMLOCK The panel should be so foamed as to lend trapezoidal male and female profiles to adjecent panel edges ot ensure air tight jointin in association with the locking system. Panel joint to be secured with camlock which are running throgh the panels to provide additional strength. The inner panel joints will be sealed with gasket of suitable material with perfect sealing against air/moisture. The design of Pre-fabricated Rigid Polyurethane Foam Panel construction should be self-supporting type and do not need any additional support or fixtures for supporting light fittings. Feeder cable tray mounting etc. The electrical equipment / fitting shall be of standard suppliers.

Supply and fixing of PUff prefab cabin of dimension of 6ft x 6ft x 8 ft outdoor cabinets to form Frangible Huts at the respective locations as per the specification

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

Credit for taking away of existing TMT bars as per direction of EIC under item no : 20 (Note : This item will be operated as a credit item and the agency must quoted their rate accordingly. This amount quoted against this item will be treated as negative and overall total amount shall be adjusted accordingly to arrive at the final amount to establish lowest bidder)

Credit for taking away of existing brick work as per direction of EIC under item no : 21 (Note : This item will be operated as a credit item and the agency must quoted their rate accordingly. This amount quoted against this item will be treated as negative and overall total amount shall be adjusted accordingly to arrive at the final amount to establish lowest bidder)

Credit for taking away of existing dismentled wood work in scantlings as per direction of EIC under item no :22 (Note : This item will be operated as a credit item and the agency must quoted their rate accordingly. This amount quoted against this item will be treated as negative and overall total amount shall be adjusted accordingly to arrive at the final amount to establish lowest bidder)

Credit for taking away of existing False ceiling GI section as per direction of EIC under item no :23 (Note : This item will be operated as a credit item and the agency must quoted their rate accordingly. This amount quoted against this item will be treated as negative and overall total amount shall be adjusted accordingly to arrive at the final amount to establish lowest bidder)

M/S SAI VISHNU CONSTRUCTIONS