Repairs to drainage line by replacing damaged manholes sewer line of TE Building and staff quarters at Kankavali Dist Sindhudurg

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

a) All kinds of soil.

Excavation work 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 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m.

a) Ordinary rock

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m

a) All kinds of soil

i) Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Extra for excavating trenches for pipes, cables etc. in all kinds of soil for depth exceeding 1.5 m, but not exceeding 3 m. (Rate is over corresponding basic item for depth upto 1.5 metre).

Excavating trenches of required width for pipes, cables, etc, including excavation for sockets, depth upto 1.5 m, including getting out the excavated materials, returning the soil as required in layers not exceeding 20 cm in depth, including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, within a lead of 50 m

a) Ordinary rock

i) Pipes, cables etc. exceeding 80 mm dia but not exceeding 300 mm dia

Extra for excavating trenches for pipes, cables, etc. in ordinary/hard rock exceeding 1.5 m in depth but not exceeding 3 m. (Rate is over corresponding basic item for depth upto 1.5 metre).

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level

a) 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

b) 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

a) 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

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

a) Suspended floors, roofs, landings, balconies and access platform

b) Edges of slabs and breaks in floors and walls Under 20 cm wide

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

a) Thermo-Mechanically Treated bars of grade Fe-500D or more.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in foundation and plinth in:

a) Cement mortar 1:6 (1 cement : 6 coarse sand)

12 mm cement plaster of mix

a) 1:6 (1 cement: 6 coarse sand)

Neat cement punning.

15 mm cement plaster on rough side of single or half brick wall of mix

a) 1:6 (1 cement: 6 coarse sand)

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

a) Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Dismantling of old S.W. pipes including breaking of joints and bed concrete stacking of useful materials near the site within 50 m lead and disposal of unserviceable materials into municipal dumps

a) 100 mm diameter

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete

a) For pipes 100 to 250 mm diameter

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design

Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg)

a) With common burnt clay F.P.S. (non modular) bricks of class designation 3.5

Providing and fixing U drain PVC pipes (4KN/sq.m) confirming IS 15328 in required slope and jointed together with jointing couplers as per manufacturers specification and other end socketed including jointing with couplings wherever necessary with PVC cement solvent testing of joints etc complete, and as directed by Engineer-in-charge. Finolex or equivalent make (Cost of jointing Couplers to be paid for separately)

a) 110 mm dia

Extra for providing and fixing Fittings for U drain pipes

a) Coupler 110 mm

Providing and fixing square-mouth PVC gully trap complete with PVC grating brick masonry chamber with cover with frame as per standard design :

a)100x100 mm size P type

i) With common burnt clay F.P.S.(non modular) bricks of class designation 3.5

Providing & fixing unplasticised - PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of M.S. screws of required length etc. complete, as directed by Engineer in Charge.

Providing and fixing on wall face unplasticised Rigid PVC SWR pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion,

a) 110 mm diameter

b) 75 mm diameter

Providing and fixing on wall face available unplasticised Rigid PVC pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion

a) 110 mm diameter

b) 75 mm diameter

Cleaning of manholes by rodding, scrubbing and flushing to remove the clogged drain of sludge, waste & rubbish material and disposal of waste/ refuge/ filth etc. (recovered in this process) to a place permitted and approved by the Local Municipal corporation all as per the direction of Engineer-in-Charge.

Cleaning of sewer line by rodding, scrubbing and flushing to remove the clogged drain of sludge, waste & rubbish material and disposal of waste/ refuge/ filth etc. (recovered in this process) to a place permitted and approved by the Local Municipal corporation all as per the direction of Engineer-in-Charge.

Providing and fixing on wall face unplasticised - PVC moulded fittings/accessories for unplasticised Rigid PVC SWR drain pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion.

a) Single tee with door 110x110x110 mm

b) Single tee with door 75x75x75 mm

c) Bend 87.5° with door - 75mm bend

d) Bend 87.5° with door - 110mm bend

e) Bend 87.5° 110mm bend

Providing double Scaffolding with bamboo, ballies & Coir strings etc. for carrying out the work of external plastering to outer side of parapet wall, slab projection etc. at all heights including necessary labours, materials required for erection and diamantling of the scaffolding after completion of work and as per the direction of Engineer in charge.

Providing and fixing 25 to 40 mm thick polished cudappah stone piece of required size to cover manhole opening in cement mortar 1:6. Cudappah piece to be fixed after preparing existing surface for bonding with mortar etc. complete and as per the direction of the Engineer in Charge.

Credit for:

a) Unserviceable reinforcement bars / MS Angles, channels etc.