Retrofitting of Ramanujam Block Raman Block and Amarita Block including repair work in all Boys Hostel at JNRM, Sri Vijaya Puram

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

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.

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.

Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

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

Columns, Pillars, Piers, Abutments, Posts and Struts

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 75 mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).

50 mm average thickness in 3 layers.

12 mm cement plaster of mix:

1:4(1 cement: 4 fine sand)

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-Charge.

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

Finishing walls with Acrylic Smooth exterior paint of required shade:

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)

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer and of required shade and colour all complete to achieve even shade and colour:

New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 gram/litre

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

Of area 3 sq. metres and below

Providing and fixing factory made PVC door shutter made of solid foam PVC profiles of thikness 5 mm and 15 mm at edges integrally extruded for vertical style and horizontal (top/ bottom/ lock) rails of minimum cross section of 70mmx 28mnn, of shape and design as per manufacturer's specifications having homogenous fine cellular structure and smooth integral outer skin, inserted with G.I. 'C' section/ rectangular tube profile of minimum 0.30 mm thickness with 120 gsm coating as stifeners as per manufacturer's specifications Mitred cut joints for styles and rails provided with telescopic polymeric I' corners are jointed together using solvent adhesive and strenghtened with fully threaded stainless steel screws (of required size) through reinforced stifener with paneling of specified solid foam PVC board/ high pressure laminate of required thickness and of approved design and shade (matching the styles and rails), secured within styles and rails with specially designed solid foam PVC moulded beadings of required size using PVC solvent adhesive/ cement. The finished door shutter including SS hardware, 1 no. ss sliding bolt 200 x 10mm, 1 no. SS tower bolt 200 x 10 mm and 2 nos. SS handles 125mm, shall be fixed to frame with 3 nos. stainless steel hinges of minimum size 100x58x1.9 mm and stainless steel screws of required size complete as per direction of the Engineer-in-Charge. (Cost of above hardware is inclusive in rates)

5 mm thick solid foam PVC panel of required size with moulded/ extruded beading of appropriate design shape and size as per manufacturer's specifications ( to secure the panel insert tight in place within the style and rails of shutter) matching the colour and shade of shutter frame. Non decorative type.

Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete.

Fixed to openings /wooden frames with rawl plugs screws etc.

Providing and fixing aluminium sliding door bolts, ISI marked anodised (anodic coating not less than grade AC 10 as per IS: 1868), transparent or dyed to required colour or shade, with nuts and screws etc. complete :

Providing and fixing aluminium tower bolts, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade, with necessary screws etc. complete :

Providing and fixing aluminium handles, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade, with necessary screws etc. complete :

Distempering with 1st quality acrylic distemper (ready mixed) having VOC (Volatile Organic Compound ) content less than 50 gram/ litre, of approved brand and manufacturer including applying additional coats wherever required to achieve even shade and colour

Old work (one or more coats)

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

With ready mixed pink or grey primer on wood work (hard and soft wood) 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:

Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture

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 Acrylic Smooth exterior paint of required shade:

Old work (Two or more coat applied @ 1.67 Itr/ 10 sqm) on existing cement paint surface

Providing and fixing PTMT bib cock of approved quality and colour.

15 mm nominal bore, 86 mm long, weighing not less than 88 gms

Providing and fixing PTMT swivelling shower, 15 mm nominal bore, weighing not less than 40 gms

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.

75 mm diameter

110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS :5382, leaving 10 mm gap for thermal expansion.

Single tee with door 24.1.1) 75x75x75 mm

Single tee with door 24.1.2 110x110x110 mm

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS :5382, leaving 10 mm gap for thermal expansion.

Single tee without door 25.1.1)75x75x75 mm

Single tee without door 25.1.2) 110x110x110 mm

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS :5382, leaving 10 mm gap for thermal expansion.

Bend 87.5° 26.1.1) 75 mm bend

Bend 87.5° 26.1.2) 110 mm bend

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hard wood plugs, screwed with M.S. screws of required length, including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete.

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length ( hold fast lugs or dash fastener shall be paid for separately).

Second class hard wood Cat.-II A

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, including ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge.

Superior Hard wood Cat-II (A) 35 mm thick Shutters

Providing and fixing glazed shutters for doors, windows and clerestory windows using 4 mm thick float glass panes,(Weight Not less than 10kg per Sqm) fixing with ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws.

Superior hardwood Cat-II (A) 28.1.1) 35 mm thick

Providing and fixing bright / matt finished Stainless steel hooks and eyes :