Restoration of storm water drains and footpaths at PDPM area in Kalpakkam Township.

Amount

Earthwork in open / Surface Excavation not exceeding 300mm in depth but exceeding 1.5m in width as well as 10 sq.m on plan in all types of soil, mixture of gravel and disintegrated rock, hard stiff clay including grading and levelling neatly by breaking clods, disposal of excavated earth upto 50m lead & lift upto 1.5m, (Disposed soil to be levelled by breaking clods, if any and neatly dressed) etc., all complete as per specifications.

All kinds of soil upto 1.50mtr depth

Excavating trenches of required width by mechanical means (Hydraulic excavator) / manual means for pipes, cables etc., for depth upto 1.5m in all kinds of soil including excavation for sockets, dressing of sides, ramming of bottoms, getting out the excavated soil and then refilling the soil as required in layers not exceeding 200mm in depth, consolidating each deposited layer by ramming, watering etc., and disposing of surplus excavated soil as directed within a lead of 50m, (Disposed soil to be levelled by breaking clods, if any and neatly dressed), etc., all complete as per specification.

Removal and uprooting tree roots with necessary excavation cutting the lateral roots, conveying the uprooted tree roots at the places as directed including filling the excavated pits all as per specification.

Clearing light jungle including uprooting of rank vegetation, grass, brush wood, removal of rubbish upto a distance of 100m outside the periphery of the area cleared, etc., all complete as per specification and as directed by Engineer-In-Charge.

Trimming of tree branches, which causing hindrance to free vehicle movement, blocking street light and touching the building etc., on road sides, avenues, streets and near buildings, including cutting the branches of trees using necessary tools, collecting, transporting and disposing them at places shown by the Department using suitable vehicles, etc., all as directed by the Engineer-in- charge.

Below 300mm Girth Trees

Providing and laying in position of plain cement concrete using hard granite broken stone for all insitu levelling courses in foundations, floor, roof screeding, encasing pipes, etc., including mechanical mixing, ramming, compaction, leveling, curing, dewatering, if any including the cost of formwork etc., all complete as per specifications.

1 : 3 : 6 (1 cement : 3 sand : 6 graded stone aggregate 40mm nominal size)

Providing and casting insitu Reinforced Cement Concrete of the following grades of design mix by Weigh batching using machine crushed hard broken granite stone of nominal size 20mm including cost of admixtures in recommended proportion wherever required, mechanical mixing, transporting, placing at all lifts, vibrating, consolidation, curing, finishing smooth all exposed faces, for all insitu concrete items, etc., as per drawings and specifications. Note : 1) The rate quoted shall be exclusive of reinforcement and formwork which will be paid for separately under relevant items. 2) The rate of concrete shall include the cost of admixture in recommended proportions as per IS 9103 as per direction of Engineer-in-charge. 3) Cement proportion for Concrete Mix shall be on the basis of weigh batching only as per design mix. 4) The cost towards any upward / downward variation required to obtain the specified strength over the minimum cement content will be paid for or deducted at the rate specified in Schedule 'F'.

M 30 Grade Concrete (The Cement content considered is 370 Kg per Cu.m)

Providing, erecting, placing in position and removing Formwork for all insitu concrete works at all lifts and all shapes such as circular works, chamfers, splays, etc., using Steel / Plywood shuttering including centering, scaffolding, strutting, propping with necessary bracing in all areas, fixing of EPs, cutting holes and fixing pipe sleeves, applying of approved form oil over surface in contact with concrete, de-shuttering after specified curing period, etc., all complete as per drawings and specifications. Note:- Measurement for the formwork shall be the area of forms in contact with concrete surfaces. Stop boards for construction joints will not be measured separately for payment. Centering and shuttering where exceeding 3.5m height in one floor shall be measured and paid for separately.

For Plain Surfaces upto 3.5m height

Providing, cutting, bending, placing and binding steel reinforcement using TMT bars of Fe-500D grade in all reinforced cement concrete works including cutting, bending, fixing, tieing in position with 1.6 mm dia soft drawn annealed binding wire, cost of cover blocks in C.M 1:2, etc., complete as per specifications and drawings. Important Note: The required quantity of steel reinforcement as mentioned in the schedule should be procured by the contractor only of SAIL, Rashtriya Ispat Nigam Limited (VIZAG), TATA Steel & JINDAL from authorised dealers which shall conform to IS: 1786 (Latest Edition).

Providing, hoisting and fixing in position of following thickness of precast slabs in cement concrete 1:1.5:3 using hard broken stones of maximum size 20mm finished smooth of various sizes and patterns including necessary formwork and moulds, mechanical mixing, finishing the exposed surface, curing, fixing at all levels, grouting with CM / Cement grout wherever required, etc., all complete excluding cost of reinforcement which will be measured separately under relevant item as per specifications and as direction of the Engineer-in-charge.

50 mm thick precast slab.

Providing and laying Random Rubble masonry in Cement mortar 1 : 6 (1 cement: 6 coarse sand) in foundation and plinth using hard granite stones obtained from approved quarry including bond stones of 2 Nos/Sq.m at 1.5 to 1.8 mtrs apart, raking out joints, curing, etc., all as per standard specification.

Providing and constructing brick masonry at all lifts in cement mortar 1:5 using well cured flyash bricks of class 5 (non-modular) made up of using Flyash + Sand + Lime + additves (Gypsum/Cement) with waterproofing chemicals and accelerators confirming to IS-12894 or latest edition including suitable scaffolding, raking out joints, continuos curing for specified period, etc., all complete as per specifications and drawings.

Providing and constructing 110mm thick brick work for partition/kerb walls in cement mortar 1:4 using well cured flyash bricks of class 5 (non-modular) made up of using Flyash + Sand + Lime + additves (Gypsum/Cement) with waterproofing chemicals and accelerators confirming to IS-12894 or latest edition including suitable scaffolding, raking out joints, continuos curing for specified period, etc., all complete as per specifications and drawings.

Providing sunk or flush pointing over RR Masonry in CM 1:3 above plinth for compound wall including cleaning the surface to receive pointing, finishing with float coat of neat cement, curing, scaffolding etc., all complete as per specifications and as directed by EIC.

Supplying, fabricating and fixing Steel work welded in built up sections and framed work at all lifts comprising Chequered plates, MS angles, other structural steel sections, etc., of TATA or SAIL or approved equivalent make including cutting, welding, bending to shape, painting exposed faces with two coats of anti-corrosive paint of approved colour over a coat of red oxide zinc chromate primer / zinc phosphate primer, embedding with Cement concrete, if necessary, etc., all complete as per specifications and drawings. [Note: The rate shall be inclusive of lifting arrangements if any required to hoist and concrete embedment's for fixing the steel works. ]

In gratings, frames, guard bar, ladders, railings, brackets, gates and similar works

Plastering with Cement Mortar 1:5, 12mm thick over brickwork / Concrete on internal and external surface at all lifts including scaffolding, curing and forming grooves wherever necessary all complete as per specifications and as directed by the Engineer-in­charge. [Note: 6mm premium glass fibre of make Dugar & Co or Recron shall be mixed with Cement @ 60 gms of glass fibre per 50kgs of cement]

Providing and laying Indian Patent Stone flooring of 20mm thick with cement concrete 1:2:4 (1 Cement: 2 Coarse sand: 4 graded stone aggregate) finished with a floating coat of neat Cement using 20/10mm and below size hard broken stones including laying in panels, cement slurry, consolidation, curing, rubbing the surfaces smooth etc., all complete as per specification.

Supplying laying and jointing of RCC hume pipes with collars of class NP-2 as per IS specifications including aligning to proper level and line as directed at site, jointing with Cement Mortar 1:2, curing,etc., complete as per specification.

150mm dia. RCC hume pipes

300mm dia. RCC hume pipes

Providing and laying factory made precast Kerb stone of M-20 grade cement concrete of size 100mm thick & 500mm ± 50mm depth with suitable interlocking arrangement, top chamfering of size 50x70 mm or as approved size including excavation, conveying, laying the precast kerb blocks in position to the required line, level and curvature, making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), jointing / pointing the joints with cement mortar 1:3, refilling the sides, compacting, making drainage opening wherever required, etc., all complete as per specification and as directed. (Note: Length of finished Kerb edging shall be measured for payment and Precast kerb stone shall be approved by Engineer-in-charge.)

Providing and laying 60mm thick factory made chamfered edge prefabricated cement concrete interlocking Solid / perforated paver block of M-30 grade made by table vibratory method using PU moulded with strong vibratory compaction of approved size, design, shape, laid in required colour and pattern over 50mm thick compacted bed of coarse sand including cost of sand filling, levelling with required slope, ramming the surface, watering, consolidation using vibratory earth rammers, filling the joints with sand, cleaning, etc., all complete as per specification and as directed by the Engineer-in­charge.

Restoring the damaged foot path / pathway by relaying the retrieved interlocking paver blocks including removing the paver blocks from damaged / undulated / dislocated pathway, stacking the serviceable materials, cutting the uprooting tree roots if any, levelling the surface, consolidating / ramming, relaying the retrieved paver blocks in required line, level, curvature, colour and pattern over 50mm thick compacted bed of available coarse sand, filling the joints with fine sand, etc., all complete as directed by Engineer-in-Charge.

Providing and laying Dry stone pitching of 230mm thick for revetment including stacking of stones, relaying to the required grade and slope, packing and filling the intersects, watering, compaction, Flush / sunk pointing the joints with CM 1:3, etc., all complete as per specifications and as directed by Engineer-in-charge.

Providing and laying Dry stone pitching of 230mm thick for revetment using retrieved pitching stone including stacking of stones, relaying to the required grade and slope, packing and filling the intersects, watering, compaction, etc., all complete as per specifications and as directed by Engineer-in-charge. (Note: Retrieved RR/Pitching stone will be supplied by Department at free of cost).

Painting road side kerb wall with Two coats of Acrylic water based Road marking paint conforming to IS 164 of make Asian paints (Apcotrack IS) or Berger (Guideline RM 164 Paint) or other approved equivalent make comprising of white and black colour strips and including preparation of surfaces, applying with brush in alternate strips, etc., all complete as per manufacturer specification and as directed by Engineer-in-charge.

Dismantling Plain cement concrete/Brick bat coba at all lifts including clearing and depositing the same with a distance of 100 metres as directed by Engineer-in-charge.

Dismantling RR Masonry in cement mortar at all lifts including stacking of RR stone, clearing and depositing the debris within a distance of 100 metres all as directed by Engineer-in-charge.

Dismantling Brick work in cement mortar at all lifts including clearing and depositing the debris within a distance of 100 metres all as directed by Engineer-in-charge.

Dismantling Reinforced cement concrete at all lifts including clearing and depositing the same with a distance of 100 metres as directed by Engineer-in-charge.

Cutting the existing Bituminous road for pipeline / cable trenches including restoring to its original condition using the retrieved and supply of extra quantities of materials, etc., as per specifications and as directed.

Labour charges for cleaning the storm water drain of depth varying from 500 to 1000mm by removing the deposited soil, dry leaves, stones and debris etc., to a height of 300 to 500mm in drains and cleaning road sides including disposing all the above debris in places as directed, removing and replacing in position the cover slabs, wherever necessary all as directed by the Engineer-in-charge.

Disposal of surplus excavated earth / Debris by collecting, loading, transporting by mechanical means and unloading them at places as shown by the Department within a lead specified below and levelling, etc., all complete as per specifications and as directed by the Engineer-in-Charge. Note: 1) The rates in respect of this item are applicable for the NET Quantities arrived at after making deductions for voids @ 20% in respect of soil and @ 50% in respect of rock from the corresponding stack / truck measurements. 2) The earth shall be dumped well inside the dumping yard and not over approach pathway road.

Exceeding 1 Km but not exceeding 2 Kms

RR ENTERPRISES (BID ID -3194205)

V.Krishnan Civil Contractor (BID ID -3194085)

SOMASUNDARAM (BID ID -3194071)

C RAVIKUMAR (BID ID -3194084)

Bidder Name

RR ENTERPRISES

C RAVIKUMAR

V.Krishnan Civil Contractor

SOMASUNDARAM

GURU CONTRACTOR