Structursl repair ARD TE

Amount

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to Four storey height made with 40mm 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 forpayment purpose .The scaffolding shall be removed only after the completion of structural repair and its allied civil works. The payment will be made once irrespective of duration of scaffolding.

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

25mm 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

Bars upto 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.

SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer.

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge.

12 mm average thickness

25 mm average thickness in 2 layers.

Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness.

50mm thick in Grade M 25 with cement content not less than 330 kg per cum

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 leads including all lifts involved.

Finishing walls with Acrylic Smooth exterior paint of required shade :

Old work (One or more coat applied @ 0.90 ltr/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade

One or more caots on old work

Repairs to aluminium Glazed window shutters by replacing the Friction Hinges of approved make. The rate inclusive of cost of 200 mm long friction hinges etc complete as diretced by the Engineer incharge.

Refixing of available Glass panes in the window panels wherever glass panes are missing.The rate inclusive of cost of beading, rubber gasket and labour charges for fixing available glass panes etc complete as diretced by the Engineer incharge.

Trimming of tree branches at all heights including cutting the branches of girth upto 30 cm measured and removal/disposal away within the campus upto a lead of 50 metres as directed by the E-in-C.

Credit for taking the tree branches in cutted in a single tree