Providing and applying APP Water proofing treatment, structural repairs and Misc. repairing works of T.E. Building at CHORWAD under Junagadh BA (2nd call)

Amount

Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand).

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :

(a) Cement mortar 1:6 (1 cement : 6 coarse sand).

P/F M.S.Grills of required pattern in frames of windows etc. with M.S.flats,square or round bar etc including priming coat with approved steel primer all complete. (A) Fixed to steel windows by welding.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing 1st quality ceramic glazed floor tiles conforming to IS : 15622 (thickness to be specified by the manufacturer ) of approved make in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge in skirting, risers of steps and dados over 12 mm thick bed of cement Mortar 1:3 (1cement: 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm including pointing in white cement mixed with pigment of matching shade complete.

12 mm cement plaster of mix :

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

15 mm cement plaster on rough side of single or half brick wall of mix :

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

18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 (1 cement: 5 coarse sand) and a top layer 6 mm thick cement plaster 1:3 (1 cement: 3 coarse sand) finished rough with sponge.

White washing with lime to give an even shade:

(a) New work (three or more coats).

Finishing walls with Acrylic Smooth exterior paint of required shade :

(a) New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm).

French spirit polishing :

(a) One or more coats on old work.

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty:

(a) Float glass panes of nominal thickness 4 mm (weight not less than 10kg/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 inspectionof 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 shall 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.

Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/ litre and viscocity 70-160 cps. Over the primer coat the layer of membrane shall be laid using Butane Torch and sealing all joints etc, and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 450N/ 5cm. Tear strength in longitudinal and transverse direction as 300/250N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane :

(a) 3 mm thick

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

(a) Of area 3 sq. metres and below.

Demolishing stone rubble masonry 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

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to dumping ground within 50 Mts lead.

Taking out existing wooden door/window shutter, repair by cutting, painting etc. and refixing of repaired door/window shutters to existing door frames, including replacement of hinges with screws, etc. as required, all complete as per the direction of the Engineer-in-charge.

Dismantling old damaged bitumem Tar felt waterproofing treatment including existing malba etc on the terrace of TE building including removing dust, dirt, debris, trees, cleaning surface from existing surface by washing with water for preparation of laying Bituminous water proofing treatment and stacking of unserviceable material at ground level of compund etc. complete as per direction of Engineer - in- charge.

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.

Deduction for taking over of unserviceable materials obtained from dismantling/ demolishing as is where is basis. Note : Materials shall be taken over by the contractor at his own cost and will allow to deduct at the quoted rate from the bill of payment.

(a) MS window shutter dismantled vide item no. 15.

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge

(a) 50 mm average thickness

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.

(a) Bars upto 12 mm diameter.

(b) Bars above 12 mm diameter.

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.

(a) Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make.

Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members with concrete concrete 1:1.5:3 (1 Cement:1.5 coarse sand:3 stone aggregate of 10 mm nominal size) with specified average thickness. Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved Super-Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument).

(a) 50mm thick in cement concrete 1:1.5:3.

Providing and fixing hard drawn steel wire fabric of size 75 x25 mm mesh or other suitable size wire mesh to be fixed & firmly anchored to the concrete surface by means of "L" shaped mild steel shear key welded with existing reinforcement including the cost of materials, labour, tool & plants as approved by Engineer-in-charge.

HUM INFRASTRUCTURE (BID ID -851161)