Essential Repairs and Maintenance to Inspection Quarters at mission Quarters compound Thrissur

Providing and fixing partitions/shuttres of cupboards using laminated multiwood boards of approved brand or equivalent including cutting to required dimensions ,necessary frame works with multiwood, edge banding to all exposed egdes, fixing with neecessary screws, adhesives and including all SS hadrdwares and complete as per direction of Engineer in Charge

a) 12mm thick

b)18mm thick

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre. of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour.

a) One coat.

b)Two coats.

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.

a) With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre.

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade :

a) Old work (Two or more coats applied @ 1.43 ltr/ 10 sqm) over existing cement paint surface.

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

a) One or more coats on old work.

Providing and fixing clay roofing tiles of approved quality and shade in place of damaged clay roofing tiles laid on the roof, including applying two coat of epoxy coating to all exposed surfaces of roofing tiles, and laying the tiles in position in line and level over the roof area wherever necessary , including all labour, scaffolding etc complete as per the direction of Engineer in charge.

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-harge.

With cement mortar 1:4 (1cement: 4 coarse sand).

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

C)25 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

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)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. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and 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 and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).

a)12 mm average thickness.