Enhancement of Pipeline and dia / replacement under Gram Panchayat Bambooflat I (Naya Basthi, Bambooflat old Basthi, Medical Pahad).

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-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

1:4:8 (1 Cement : 4 coarse sand (zone-Ill) derived from natural sources: 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form work for:

Foundations, footings, bases for columns

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (including equivalent design mix)

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in-charge :

15 mm to 40 mm nominal bore

Above 40 mm nominal bore

Cutting road and making good the same including supply of extra quantities of materials i.e. aggregate, moorum screening, red bajri and labour required.

Bituminous portion

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. External work

40 mm dia nominal bore

50 mm dia nominal bore

65 mm dia nominal bore

80 mm dia nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

50 to 80 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

40 mm nominal bore

50 mm nominal bore

80 mm nominal bore

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) :

40 mm nominal bore

50 mm nominal bore

65 mm nominal bore

80 mm nominal bore

Constructing masonry chamber 30x30x50 cm, inside with cement concrete 1:3:6 (1 cement :3 coarse sand : 6 geaded stone aggregate 40 mm nominal size) for stop cock,. with C.I. surface box 100x100x75mm (inside) with hinged cover fixed in chained lid and RCC top slab 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size).i/c necessary excavation foundation concrete 1:5:10 ( 1 cement : 5 fine sand : 10 graded stone aggregate 40mm mm nominal size) and inside plastering with cement mortar 1:4 (1 cement : 4 coarse sand ) 12 mm thick finished with a floating coat of neat cement complete as per standard design.

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