Work Name:Annual Plan-CRASH BARRIER CONSTRUCTION AT HIGH SCHOOL JUNCTION MYLOMKULAM ROAD IN WARD 12-PROJECT 293/24-General Civil Work
Sl. No.
Item Description
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crash barrier
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OD197405/2023-2024: Filling with contractors own earth (excluding rock)in open areas in layers not exceeding 20cm in depth,consolidating each deposited layer by ramming and watering ,lead up to 50m and lift up to 1.5m as per direction of Engineer-in-charge
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OD174905/2023-2024: Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 811.3 <br>
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75.8.1:Providing Plain cement concrete for road work CC 1:2:4 (1 cement: 2 fine aggregate: 4course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as requiredincluding compaction, finishing and tamping etc .complete. Max. size of courseaggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification(i) Nominal mix (1:2:4)
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