Renovation of existing two classroom in the Government Primary School, Nallazhunthur at Thirunllar Commune, Karaikal.

Supplying and filling in plinth with river sand under floors, including watering ,ramming consolidating and dressing complete

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2 fine aggregate : 4 graded stone aggregate 20mm nominal size)

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in superstructure above plinth level upto floor V level - cement mortar 1:4 (1 cement : 4 fine aggregate)

Providing and fixing panelled or panelled and glazed shutters for doors, windows, and clerestory windows, fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately , all complete as per direction of Engineer-in-charge -(Note:- Butt hinges and necessary screws shall be paid separately) - Vengai wood - 30 mm thick shutters

12mm cement plaster of mix -1:6 ( 1 cement : 6 fine aggregate)

15mm cement plaster on the rough side of single or half brick wall of mix - 1:6 (1cement : 6 fine aggregate)

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 achive even shade and colour - One coat

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content - with water thinnable cement primer on wall surface having VOC content less than 50 grams / litre

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade- One or more coats on old work

Finishing walls with Premium Acrylic exterior paint with Silicone additives of required shade - Old work ( one or more coats applied @ 0.83 litre / 10 sqm)

Raking out joints in lime or cement mortar and preparing the surface for repointing or replastering , including disposal of rubbish to the dumping ground all complete as per direction of Engineer-in-charge

Flush pointing with cement mortar 1:3 (1 cement : 3 fine aggregate) 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

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-incharge - 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 the Engineer-incharge- Bars upto 12mm diameter

Providing , mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction complete in all respect - Epoxy bonding adhesive having coverage 2.20 sqm /kg of approved make

Providing , mixing and applying SBR polymer (of approved make ) modified Cement mortar in proportion of 1:4 (1 cement : 4 graded fine aggregate with polymer minimum 2% by wt.of cement used) as per specifications and direction. Note: Measurement and Payment : The Pre-meaurement 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 crusing strength at the end of 28 days to be not less than 30 N / Sqmm) - 25 mm average thickness in two layers