AAI/TPT/ Engg(C)/OBW and French Drain /2024-25/

Amount

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.

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) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

Providing and laying Non-Woven Geotextile membrane as per MORTH 700 Type-I geotextile with all leads, lifts, manpower, tools, material and overlapping as per technical specification etc., complete and as per instruction of Engineer In-charge. Surface area shall be measured for payment.

Providing and laying Perforated HDPE pipe, 160 mm dia in longitunal and transverese direction wrapped with Non-Woven Geotextile membrane [MORTH 700 Type-III geotextile] with all leads, lifts, manpower, tools, material and overlapping as per technical specification etc., complete and as per instruction of Engineer In-charge. Laid Pipe length shall be measured for payment.

Providing and laying Stone aggregate of size 20mm, well graded complete in all respects as per instruction of Engineer In-charge.

Construction of Subgrade embankment with Moorum brought out from approved quarry out side the airport premises. The complete operation will include spreading the Moorum, dressing, levelling, providing camber, grading with motor grader and consolidating with vibratory roller 8-10 tonne capacity including making good the undulation etc. as per technical specifications and drawings complete and directions of Engineer-in-Charge. (Cost includes all leads ,taxes, royalty and operations)

Removal of damaged polysulphide/hot sealing compound joints of CC roads,Aprons and hard standing areas having and preparing the surface for re-filling of joints with bitumen seiling compound including disposal of rubbish to the dumping ground,all complete as per direction enginering in-charge (For joints upto 25 mm width)

Providing and laying in position Polysulphide sealant of approved make conforming to BS-5212- 1990 or lS: 11433-1995. ln 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. 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.]: Expansion Joint/Construction Joints/Dummy joints

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.

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

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)

DUDDU RAMANAIAH

NIRMAAN PROJECTS

ARKA PROJECTS