Supply and Installation of Frangible Hut for bird watching in Operational area at B.P.I.Airport Bhubaneswar

Amount

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 disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. 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 :1:3:6 (1 Cement : 3 coarse sand (zone-III) : 6 graded stone aggregate 20 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)

Providing and laying 60mm thick factory made cement concrete interlocking paverblock of M -30 grade made by block making machine with strong vibratory compaction, of approved s;ze, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge

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

Providing and fixing of pre-fabricated fire retardant water proof frangible bird watch hut of size 1200mm x 1200mm (outer to outer) and 2400mm height. There will be a provision of 01no. door of size 750mm (W) & 2000mm height and 03nos. window of size 600mm(W) & 900mm height with necessary locking arrangements. The hut is made of 50mm thick sand witch panel made of 2.00mm thick FRP/GRP sheet at the outer and inner face and balance portion (sandwitch) consist of PU foam of density 40+/- 2 kg/m3 to meet the frangibility criteria including PVC cam locks jointing without nut bolts on bottom and top and single piece corner panel. The panels will be joining together by tongue and groove method. The cost of the hut is inclusive of design fabrication, transportation and commissioning of the hut at the proposed site in operational area over cement concrete platform (Cement Concrete platform shall be paid separately) The exterior of the hut shall be provided with design of white and red squares (600mmx600mm) and as per the direction of E-I-C. The frangible hut shall conform to guideline of ICAO Aerodrome Manual (Doc 9157 part-6) and the frangibility criteria including Fire properties conforming to self-extinguishing as per IS 11239 and class -1 surface spread of flame as per BS-476 part-7,also Not easily ignitable as per BS 476 Part-5 All complete as per direction of Engineer-in-Charge.

Arvind Techno Contracts