Special repairs at the Operational boundary wall, NITB, LETB at Visakhapatnam Airport

Amount

Finishing walls with water proofing cement paint of required shade : Old work (one or more coats applied @ 2.20 kg/10 sqm) over priming coat of primer applied @ 0.80 litrs/10 sqm complete including cost of Priming coat.

Providing and fixing concertina coil fencing 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 with existing angle iron 'Y' shaped placed 2.4m or 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 165 kg/ sq.mm with tape (0.52 mm thick) and weight 43.478 gm/ metre (cost of M.S. angle, C.C. blocks shall be paid separately)

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.

Dismantling steel work in single sections including dismembering and stacking within 50 metres lead in

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

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.

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) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

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 i/c cleaning the surface of all dirt, scales, oil, grease and other foreign material etc. and lining out complete. Old work (One or more coats).

Removing the old sealant and the backer rod from the dummy and construction joints including cleaning as per the direction of Engineer-in -charge.(In operational area of Airport)

Providing and laying in position Polysulphide sealant of approved make conforming to BS-5212- 990 or IS: 11433-1995. In expansion/ construction / dummy joints including rounding off edges and placing 12 mm backer rod and 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. complete as per direction of Engineer in- Charge & particular specifications. [Note: For purpose of payment, quantity (Length x Width x Depth) of Polysulphide sealant only will be measured.Backer rod, masking tape,primer will not be measured but are included in the execution of the item.] Dummy Joints of size 10 mm wide and 10 mm deep over 12 mm dia closed-cell Polyethylene foam backer rod, as per manufacturer’s specifications as per specification and direction of EIC. (In operational area of Airport)

Providing and laying in position Polysulphide sealant of approved make conforming to BS-5212- 990 or IS: 11433-1995. In expansion/ construction / dummy joints including rounding off edges and placing 30 mm backer rod and 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. complete as per direction of Engineer in- Charge & particular specifications. [Note: For purpose of payment, quantity (Length x Width x Depth) of Polysulphide sealant only will be measured.Backer rod, masking tape,primer will not be measured but are included in the execution of the item.] Expansion Joints of size 25 mm wide and 10 mm deep over 30 mm dia closed-cell Polyethylene foam backer rod, as per manufacturer’s specifications as per specification and direction of EIC. (In operational area of Airport)

Painting steel work like space frames, MS truss etc with BERGERTHANE PU GLOSS FINISH SMOKE GREY paint or equivalent to given an even shade. One or more coat applied @0.77 ltr/ 10 Sqm over an under coat of primer of BERGER PROTECTOMASTIC or equivalent @ 1.33 Ltr /10 Sqm of approved brand and manufacture at all heights upto 20 meters inside the airport premises complete as per the direction of Engineer in charge. (Rate inclusive of materials, labour,provision to paint at heights, providing safety gear all including cleaning the area etc.)

Supplying and fixing GI weld mesh 1x1 inch at the SS frames as per the direction of EIC.

RECHI CONSTRUCTION PVT LTD (BID ID -914184)

SHANVI CONSTRUCTIONS (BID ID -919818)