Replacement of damaged steel windows with UPVC windows at Higher Secondary Block in PM SHRI Kendriya Vidyalaya CLRI, Adyar, Chennai-600020

Amount

Civil Part

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.[ Note:Pattern / design and fixing instruction as per direction Engineer In-charge only] Fixed to openings /wooden frames with rawl plugs screws etc.

Providing and fixing factory made uPVC glazed/wire mesh windows/ doors comprising of lead free uPVC multi-chambered frame, sash and mullion/coupler (where ever required) extruded profiles having minimum wall thickness of 1.70 mm for Series R1 and R2 profiles and 2.10 mm for Series R3 and R4 profiles conforming to EN: 12608 in any shape, colour and design duly reinforced with galvanized mild steel section made of required shape & size as per CPWD Specification, uPVC extruded glazing beads, interlocks and lnline sash adaptor (where ever required) of appropriate dimension, EPDM gasket, hardware, SS 304 grade fasteners of minimum 8 mm dia with countersunk head, comprising of matching polyamide PA6 grade sleeve for fixing frame to finished wall as per IS 1367 : Part 1 to 14, plastic packers, plastic caps and necessary stainless steel screws etc. Profile of frame, sash & mullion (if required) shall be mitred cut and fusion welded/mechanically jointed duly sealed at all corners, including drilling of holes for fixing hardware and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealant over backer rod of approved size and quality, all complete as per approved drawing conforming to CPWD specification & direction of Engineer-in-Charge. Section of steel reinforcement and cross sections of uPVC profiles to be as per design approved by Engineer-in-Charge. Wire mesh / Glazing of plain/ toughened/ laminated/ double glass unit with / without high performance coatings as per design requirements and conforming to IS: 3548 & IS: 16231 shall be paid separately. [Note:- Rate including whether sealent and locking arragements. Make as approved by engineer-in-charge only].Make :Qute or equiuavalent Fixed window/ ventilator without mullion /transom. Using R2 series with frame (39 mm & above) x (39 mm & above). [Note:- Rate including weather sealent and locking arragements. Make as approved by engineer-in-charge only]

Casement window single panel with top fixed and S.S. 304 friction hinges as per size and weight of sash, multi-point locking system, zinc alloy (zamak) powder coated handles. Using R3 series with frame (55 mm & above) x (45 mm & above) & sash (55 mm & above) x (65 mm & above). [Note:- Rate including whether sealent and locking arragements. Make: As approved by engineer-in-charge only]

Two track four panels sliding windows with top fixed and Aluminium channel for roller track, wool pile, zinc alloy (zamak) powder coated handle on three panels along with multi-point locking system, nylon rollers with SS 304 body. Using R4 series with frame (64 mm & above) x (45 mm & above) & sash (44 mm & above) x (55 mm & above) [Note:- Rate including weather sealent and locking arragements. Make: As approved by engineer-in-charge only]

Casement window double panels top fixed with French Mullion with S.S. 304 friction hinges as per size and weight of sash, multi-point locking system, zinc alloy (zamak) powder coated handles. Using R3 series with frame (55 mm & above) x (45 mm & above) & sash (55 mm & above) x (65 mm & above) & French (False) mullion (55 mm & above) x (60 mm & above). (Height upto 1.8 metre). [Note:- Rate including weather sealent and locking arragements. Make: As approved by engineer-in-charge only

Three track three panels sliding window top fixed with Aluminium channel for roller track, wool pile, nylon rollers with SS 304 body. Using R3 series with frame (98 mm & above) x (40 mm & above) & sash (30 mm & above) x (55 mm & above) with zinc alloy (zamak) powder coated handle on two end panels along with multi-point locking system.[Note:- Rate including weather sealent and locking arragements. Make: As approved by engineer-in-charge only]

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

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) upto three floor level including required scaffolding.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:4:8 or leaner mix (including equivalent design mix)

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts and making good the wall damaged portion with cement plaster 1:4, brick work, cement concrete etc. complete and stacking in departmental stores :[Note: Removed materials to be cleared in the same day from the site. It is not allowed to store at site for the safety of students] Of area 3 sq. metres and below

Of area beyond 3 sq. metres

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

Dismantling aluminium/ Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable material and stacking of serviceable material in departmental stores as directed by Engineer- in-charge. The rare including making good the damaged wall with cement plaster 1:4, brick work, concrete etc. complete as per site in-Charge. [Note: Removed materials to be cleared in the same day from the site. It is not allowed to store at site for the safety of students] Aluminium windows to be removed without any damage.

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.[Note: Rubbish to be taken out from the CLRI campus at the risk and cost of the contractor]

Providing and fixing glazing in aluminium/UPVC door, window, ventilator ( including louvers for fixed ventilators) shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge . [ Note: Clear measurement will accepted for payment not including UPVC clips] With toughned/pinheaded glass panes of 4.0 mm thickness (weight not less than 10kg/sqm)

Civil Part - Buy Back Items

Buy-back of existing damaged Ms windows of frames, shutters, glazing, fittings all complete etc as per the direction of In-Charge. Any size. [Note: Removed materials to be cleared in the same day from the site. It is not allowed to store at site for the safety of students]

JPS Constructions

Thukkaram Builders and Contractors Private Limited

Glass Laminates