Name of Work: Construction of RRM retaining wall at Landslide area of Taphou Phyamai near Layman Church, Senapati
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Item Description
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3:Name of the work:-Construction of RRM retaining wall at Landslide area of Taphou Phyamai near Layman Church, Senapati
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Sub-Head 01:-Earth work
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Earth Work in excavation by mechanical means (Hydraulic Excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavted soil as directed, within a lead of 50m. All kinds of soil.
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Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering lead upto 50 metres lift upto 1.5 metre.
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Sub-Head 02:-Concrete work
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Providing and laying in position cement concrete of specified grade excluding the cost of cenetering & shuttering- All work upto plinth level1:4:8 (1 cement: 4 coarse sand : 8 graded stone aggregate 40 mm nominal size)
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Sub-Head 03:-Stone work
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Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement: 6 coarse sand: 12 graded stone aggregate size 20 mm nominal size) at plinth level with: Cement mortar 1:6 (1 cement:6 coarse sand)
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Sub-Head 04:-Form work
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Centering and shuttering including strutting, propping etc. and removal of form for:
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Foundations, footings, bases of columns, etc. for mass concrete
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Banking excavated earth in layers not exceeding 20 cm in depth, breaking clods, watering, rolling each layer with 1/2 tonne roller, or wooden or steel rammers, and rolling every third and top most layer with power roller of minimum 8 tonnes and dressing up, in embankments for roads, flood banks, marginal banks, and guide banks etc., lead upto 50 m and lift upto 1.5m. All kinds of soil.
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Deduct for not rolling with power roller of minimum 8 tonnes for banking excavated earth in layers not exceeding 20 cm in depth
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