Repair of roof tiles, dummy columns and electric shaft slab

Amount

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 :

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

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III)derived from natural sources : 3 graded stone aggregate 20 mm nominal sizederived from natural sources).

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

Columns, Pillars, Piers, Abutments, Posts and Struts

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 above plinth level.

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

Re-grading terracing of mud phaska covered with tiles or brick, in cement by dismantling tiles or bricks, removing mud plaster, preparing the surface of mud phaska to proper slope, relaying mud plaster gobri leaping and tiles or bricks, grouted in cement mortar 1:3 (1 cement : 3 fine sand) including replacing unserviceable tiles or bricks with new ones and disposal of unserviceable material to the dumping ground (the cost of the new tiles or brick excluded) within 50 metres lead.

Supply of common burnt clay F.P.S. (non modular) brick tiles of class designation 10

Supplying and laying of good earth for mud phaska under brick tile on roofs laid to slope, including royalty, carriage, lifiting to terrace , spreading watering, ramming, consolidating and dressing all complete as per directions of Engineer-in- Charge

Painting top of roofs with bitumen of approved quality @ 17kg per 10 sqm impregnated with a coat of coarse sand at 60 cudm per 10 sqm, including cleaning the slab surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil complete :

With residual type petroleum bitumen of grade VG -10

Raking out joints in lime or cement mortar and preparing the surface for re-pointing or replastering including disposal of rubbish to the dumping ground, all complete as per directions of Engineer-In-Charge.

Flush pointing with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 2% of integral water proofing compound by weight of cement for flat tile bricks on top of mud phaska :

With F.P.S. brick tiles

Terrace cleaning including removal of rank vegetations,grass etc. and cleaning of connecting khurra and rodding of RWP to ensure smooth flow of rain water and disposal of rubbish upto 50m lead all complete as per direction of Engineer-in-Charge.

Removal of Plants like Pipal Plant etc. from the roofs,shafts and from other parts of the Building at all heights and removing its roots,And pouring solution of Chlorpyriphos E.C 20% in the root of plants and making good the same complete as per direction of Engineer-in-Charge

Girth not exceeding 10 cm

Beyond 10 cm girth up to and including 50 cm girth. This item includes dismantling of brick or brick tile work or cement concrete if required to remove the roots of tree and making the same good after removal of roots.

Water proofing Coating on tile terracing under solar panels placed at roof by using Sika Latex SBR or equivalent with Cement sand mortar in ratio (1:1:2:2 = Sika Latex® SBR :Water : Cement : Fine sand) as per direction of Engineer-in-Charge with following procedure: Thoroughly pre-wet the prepared substrate. Keep the surface wet and do not allow to dry. Before application remove excess water e.g. with a clean sponge. The surface shall appear a dark matt appearance without glistening and surface pores and pits shall not contain water. Prepare the waterproofing coating as indicated above. Using a stiff clean brush spread the coating vigorously onto the substrate,forming a thin layer. After 2 to 6 hours, apply the second coat in crosswise direction to first coat.

Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design :

In 75x75 mm deep chase

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.

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer in-charge.

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)

Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix)

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.

Credit for old dismantled/unserviceable material:-

unserviceable reinforcement bars

HARPAL SINGH (BID ID -920243)