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 over areas (exceeding 30cm in depth. 1.5m in width as well as 10 Sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be l

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, in layers not exceeding 20cm in depth

All kinds of soil Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating Each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

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 :

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

Providing and fixing on wall face unplasticised Rigid PVC waste water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion. (i) Single socketed pipes.

(a) 75 mm diameter

(b) 110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC waste water 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 (i) 75x75x75 mm

(b) Single tee with door (ii) 110x110x110 mm

(c) Bend 87.5° 75 mm bend

(d) Bend 87.5° 110 mm bend

12 mm cement plaster of mix :

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

Neat cement punning

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineerin-charge. (The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding.)

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge.

(a) Internal work - Exposed on wall (i) 32 mm nominal outer dia. Pipes.

(ii) 40 mm nominal outer dia. Pipes.

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

(a) 25 mm nominal bore

(a) 40 mm nominal bore

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 tha

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 1:2:4 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

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 ISI marked aluminium door latches with screws etc. complete :

a) Cement mortar 1:5 (1 cement : 5 coarse sand)

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. (Cost of jointing Couplers to be paid for separately)Finolex, Supreme or equivalent make a) 110 mm dia

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 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.

Providing and laying 900 mm dia, 2400 mm long RCC hume pipe septic tank with necessary opening for covers, inlet and outlet pipes, vent pipes, etc as per directions of engineer in charge.

Ujwal Tukaram Khorate