CWE(BHI)/BHI-11/2021-22 PROVISION/ STRENGTHENING/ IMPROVEMENT OF ROAD WORK AT AF STATION BHISIANA

Amount

Surface dressing not exceeding 15cm deep in soft/ losse soil, complete all as specified and as directed.

Rough excavation not exceeding 1.50m deep and getting out in soft/ lose soil, complete all as specified and as directed.

Removing excavated material (soil) exceeding 250m but not exceeding 500m and depositing where directed at a level not exceeding 1.5m above the starting point, complete all as specified and as directed.

Dismantling laid dry stone sett paving of any description or thickness upto 150mm in WBM of existing roads, complete all as specified and as directed.

Removing dismantling material (Stone/WBM), obtained from serial item no. 4 above to a distance of 100m and depositing where directed.

Rolling and consolidating road for soling, sub-base surfaces with 8 to 12 tonne power road roller, including watering as necessary including filling in hollows and depressions to required true gradient and camber, complete all as specified and as directed.

Material and labour 150mm thick(spread thickness) soling or sub base with broken boulders or quarried stone interstices filled surfaces formed and rolled with 8 to 12 tonne power road roller and consolidated to required gradient & camber, complete all as specified and as directed.

Material and labour 150mm thick in two layers of 75mm thick each layer (compacted thickness) water bound macadam with coarse aggregate (granite, trap or basalt) of grading - 2 (63mm to 40mm size) blinded with stone screening type 'A' spread, rolled with 8 to 12 tonne power road roller, hollows made to form true surface and consolidated to required gradient and camber, complete all as specified and as directed.

Labour only 75mm thick in one layer (compacted thickness), water bound macadam of using material obtained under BOQ item no. 4 here in above by the dismantling to required size and grading as per specifications, adding aggregate/fine materials to achieve required grading, spread, rolled with 8 to 12 tonne power road roller and consolidated to gradient and camber required over compacted soling, complete all as specified and as directed.

Material and labour 75mm thick one layer (compacted thickness) water bound macadam with coarse aggregate (granite, trap or basalt) of grading - 2 (63mm to 40mm size) blinded with stone screening type 'A' spread, rolled with 8 to 12 tonne power road roller, hollows made to form true surface and consolidated to required gradient and camber all as specified and directed.

Preparing water bound macadam surfaces by brushing with wire brushes for removing cacked mud etc. sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove the all loose dirt etc and applying evenly a priming/tack coat of paving bitumen at the rate of 10kg per 10 sqm of road surfaces and laying a bituminous premix asphaltic semi-dense concrete 40mm consolidated thickness with 5.5% binder content bitumen grade VG-30 by weight of total mix, including rolling and consolidating to achieve uniform smoth surfaces with 8 to 12 tonne power road roller to a required level, gradient and camber, complete all as specified and as directed.

Premix bituminous macadam using 4% binder content by weight of total mix using paving bitumen VG-30, laid/ rolled and compacted to required gradient and camber (consolidated thickness 75 mm or less), make good the cut edges of roads etc. complete all as specified and as directed.

Preparing existing black top surface by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the cleaned surface with air compressor to remove all loose dirt etc and applying evenly a priming/tack coat with paving bitumen @ 05 Kg per 10 Sqm of road surface, laying, rollig consolidating bituminous premixed carpet 30mm (consolidated thickness) premixed hot mix semi dense concrete with 5.5% binder content bitumen grade VG-30 by weight of total mix, including, rolled and compacted to required gradient and camber with 8-12 ton power roller, complete all as specified and as directed.

Continous brick edging with width equal to the width of brick laid dry on end vertically using sub class 'B' bricks by doing necessary excavation, embedding bricks, tamping ground around bricks, complete all as specified and as directed.

Material and labour for painting/marking lines/broken centre lines/side lines/zebra lines etc. On road pavement and the like of any description not exc. 10 cm wide with road marking thermo plastic compound paint conforming to 'MORTH' specifications, hot applied with machanically to form a 1.5mm thick film on road including cleaning and drying the existing road surface to ensure dust, oil, grease and moisture free surface before applying the paint etc complete all as per manufacture's instructions and as directed.

Painting/marking lines/broken centre lines/side lines/zebra lines etc. On road pavement and the like of any description exceeding 10cm wide with road marking thermo plastic compound paint conforming to 'MORTH' specifications, hot applied with machanically to form a 1.5mm thick film on road including cleaning and drying the existing road surface to ensure dust, oil, grease and moisture free surface before applying the paint etc complete all as per manufacture's instructions and as directed.

Suppy and fixing for ABS Cat Eye of size 90mm x 100mm x 17mm of 3M model no. 290 series from Sun/Roadstar conforming to ASTM standard or any equivalent make of Sun/Roadstar of as approved by GE, fixed in position with provision of one no. stud etc., complete all as specified and directed.

Suppy and fixing delineators DA 952(GP) of size 700x100x50mm ABS round body fitted with two nos 100mm dia reflective reflectors in white/yellow combination and moulded on MS pipe of 50mm dia duly powdered coated anti rusted theft sheet net,including fixing with concrete block in PCC 1:2:4 type B-1 (size 150mm x 150mm x 300mm), delinators having average value of coefficient Retro Rfelected luminance cell not be less than 18 med/ lux, provided with test certificate, complete all as specified and as directed.

shree balaji builders

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