REPLACEMENT OF OLD SEWER PIPE LINE DAMAGED MANHOLE SEWAGE/GARBAGE PIPE LINE

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 : All kinds of soil.

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.

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials : 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 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 : All kinds of soil

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

Pipes, cables etc. exceeding 300 mm dia but not exceeding 600 mm

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

Pipes cables exceeding 80 mm dia but not exceeding 300 mm dia

Dismantling steel cylinder R.C. pipes including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means breaking lead caulked joints, melting of lead and making into blocks including stacking of pipes & lead at site within 50 metres lead as per direction of Engineer-in-charge : Up to 600 mm diameter

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

1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources)

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)

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 for Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Centering and shuttering including strutting, propping etc. and removal of form for Suspended floors, roofs, landings, balconies and access platform

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level : Thermo-Mechanically Treated bars of grade Fe-500D or more

Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement 12 mm cement plaster

Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 10910, on 12 mm dia steel bar conforming to IS: 1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality : L D- 2.5 : Rectangular shape 600x450 mm internal dimensions

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality : H D - 20 : Circular shape 560 mm internal 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 within 50 m lead as per direction of Engineer-in-charge : Rectangular manhole 120x90 cm and 90 cm deep

Extra for depth of manholes dismantled : Rectangular manhole 120x90 cm and beyond 90 cm depth

Making connection of drain or sewer line with existing manhole and making good the walls, floors with C.C.(1:2:4) mix.

For pipes 100 to 250 mm diameter

For pipes 250 to 300 mm diameter

For pipes 350 to 450 mm diameter

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete :

150 mm dia. R.C.C. pipe

250 mm dia. R.C.C. pipe

300 mm dia. R.C.C. pipe

450 mm dia. R.C.C. pipe

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Providing and fixing on wall face unplasticised Rigid PVC rain 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 : 110 mm diameter

Providing and fixing on wall face unplasticised Rigid PVC rain 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 : 75 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS:5382, leaving 10 mm gap for thermal expansion : Bend 87.5°

110 mm bend

75 mm bend

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

110 mm bend

75 mm bend

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS:5382, leaving 10 mm gap for thermal expansion : Single tee without door : 75x75x75 mm

Providing and fixing on wall face unplasticised Rigid PVC SWR pipes conforming to IS : 13592 TypeB, including jointing with solvent cement adhesive complete all as derected by the Engineer- in - charge (i) Single socketed pipes.

110mm SWR PVC Pipe.

80mm SWR PVC Pipe.

Providing and fixing rigid PVC SWR fittings without plastic on the wall conforming to IS:13592 TypeB, including joining with solvent cement adhesives and also with old CI pipes, as directed by the Engineer-in-Charge.

110 mm Bend plan

110 mm bend with door

110 mm Single Y Tee with door

90 mm Bend plan

90 mm bend with door

90 mm Single Y Tee with door

110mm cowl

90mm cowl

Providing and fixing G.I Special clamps of approved design to SWR/PVC/CI rain water pipes fixing with royal plug making good the wall etc. completed as directed by the Engineer-in-Charge : 110 mm

Providing and fixing G.I Special clamps of approved design to SWR/PVC/CI rain water pipes fixing with royal plug making good the wall etc. completed as directed by the Engineer-in-Charge : 80 mm

Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead : 75 to 80 mm dia pipe

Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead : 100 mm dia pipe

Dismantling old C.I. pipes including excavation and refilling trenches after taking out the pipes, breaking lead caulked joints, melting of lead and making into blocks, including stacking of pipes at site lead up to 50 metre: 80 mm diameter C.I. pipe

Dismantling old C.I. pipes including excavation and refilling trenches after taking out the pipes, breaking lead caulked joints, melting of lead and making into blocks, including stacking of pipes at site lead up to 50 metre: 100 mm diameter C.I. pipe

Dismantling of road gully chamber of various sizes including C.I. grating with frame including stacking of useful materials near the site and disposal of unserviceable materials within 50 metres lead including refilling the excavated gap

Constructing brick masonry road gully chamber 50x45x60 cm with bricks in cement mortar 1:4 (1 cement : 4 coarse sand) including 500x450 mm pre-cast R.C.C. horizontal grating with frame complete as per standard design : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Making hole up to 20x20 cm and embedding pipes up to 150 mm diameter in masonry and filling with cement concrete 1:3:6 (1 cement : 3 coarse sand: 6 graded stone aggregate 20 mm nominal size) including disposal of malba.

12 mm cement plaster: 1:4 (1 cement : 4 fine sand)

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : Of area 3 sq. metres and below

Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Zsections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, louvers, all complete as per architectural drawings and the directions of Engineer-in-charge. (including Glazing, paneling and dash fasteners etc.) : For fixed portion : Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15)

Fixing chowkhat in existing opening in brick/ RCC wall with dash fasteners/ Chemical fasteners of appropriate size (3 nos on each vertical member of door chowkhat and 2 nos on each vertical member of window chowkhats), including Cost of dash fasteners/ chemical fastener : Total nos of window (toilet and bathroom)

Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge . : With float glass panes of 5 mm thickness (weight not less than 12.50 kg/sqm)

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 Engineer in-charge .The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done

NOTE:- The subject work will be carried out in phase wise manner. Estate officer/Engineer-in-Charge shall decide that total how many phases are required and how many quarters will be handed over for repair works in one phase subject to the availability of vacant quarters and decision of competent authority shall be final. All items to be used in this work should be branded and ISI certified or CPWD approved list of material may be followed. If any make is not specified, decision of Engineer-in-charge shall be final and binding.

SRI DEVI CONSTRUCTIONS (BID ID -3214005)