Repairs to drainage line by replacing damaged manholes, Sewer line and construction of compound wall for CTS building at Greams Road, Chennai

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth, lead up to 50m and lift up to 1.5m,as directed by Engineer-in-Charge.

All kinds of soil

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, a) All kinds of soil

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

Felling trees of the girth (measured at a height of 1 m above ground level) including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material.

Beyond 30 cm girth up to and including 60 cm girth

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

1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size).

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing:

1:1½:3 (1 cement : 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

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

Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

Providing and laying Autoclaved Aerated concrete (AAC) blocks masonry with 150mm/230mm/300 mm thick with Grade-I AAC blocks of density 551 to 650 kg/ cum conforming to IS: 2185 (Part 3) in super structure above plinth level up to floor V level with RCC band at sill level and lintel level with approved block laying polymer modified adhesive mortar all complete as per direction of Engineer-in-Charge.

12 mm cement plaster of mix :

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

12 mm thick plain cement mortar bands in cement mortar 1:4 (1 cement : 4 fine sand):

Raised Band

Pointing on brick work or brick flooring with cement mortar 1:3 (1 cement : 3 fine sand):

Flush / Ruled/ Struck or weathered pointing

Neat cement punning

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 (i/c equivalent design mix)

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

In cement mortar

Providing and fixing square-mouth S.W. gully trap class SP-1 complete with C.I. grating brick masonry chamber with water tight C.I. cover with frame o f 300 x300 mm size (inside) the weight of cover to be not less than 4.50 kg and frame to be not less than 2.70 kg as per standard design: 100 x 100 mm size P type

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

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 :

100 mm diameter

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 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) : With common burnt clay F.P.S. (non modular) bricks of class designation 3.5

Extra for depth for manholes :

Size 90x80 cm, With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

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

For pipes 100 to 250 mm diameter

Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials into municipal dumps within 50 m lead :

Rectangular manhole 90x80 cm and 45 cm deep

Providing and fixing PVC U drain pipes (4KN/sqm) 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. (Cost of jointing Couplers to be paid for separately)Finolex, Supreme or equivalent make

Cleaning of manholes by rodding, scrubbing and flushing to remove the clogged drain of sludge,waste & rubbish material and disposal where permitted by the Municipal corporation dumping places etc as per the direction of Engineer - in - charge

Cleaning of gully trap to remove the clogged drain of sludge,waste & rubbish material and disposal where permitted by the Municipal corporation dumping places etc as per the direction of Engineer - in - charge

Cleaning of sewer line including removing choke up and removal of sludge & connecting SW pipe from manhole to manhole and connecting gully trap etc.complete including disposal of sludge etc. outside the premises . a) Sewer line upto 150mm dia.

Disposal of moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10 km for all lifts, complete as per directions of Engineer-in-charge.

Deep cleaning of toilet block at ground floor of CTS building including all toilet fittings, fixures like EWC, Indian WC, wash basin, pillar tap, stop cock, bib cock, health faucet etc and wall tiles by using appropriate chemicals to remove all stains to make the toilet clean as per directions of Engineer in charge

SHREE SASTHA CONSTRUCTION