RENEWAL AND FITMENT OF GLASS FACADE BY PROVIDING MODULAR SUPPORT FRAME AND GLASS PANELS IN BUILDING NO P-21 AT NAVAL DOCKYARD AND BUILDING NO P-61 AT MWC (VZG) INCLUDING PROVISION OF HEALTH FAUCETS IN HIGH RISE BUILDING AT NAUSENA BAUGH ,VISAKH

Amount

Hacking out old broken glass (any thickness, size, quality or description) from wooden frames or stone, concrete or brick surrounds, glazed with putty or fixed with beads or fixed with any type of frames complete all as specified and directed.

Dismantling old aluminium section of any size and pattern complete all as specified and directed.

Design ,supply ,fabrication and fixing in position of structural Glazing system to external faces of the building at all floors and locations of powder coated (50 micron thick) of approved colour Aluminium sections of approved size and make as Mullion & Transoms, , the façade be fixed to the structure with powder coated MS brackets & anchor fasteners, the mullions are to be connected to brackets by stainless steel Gr-316 nut & bolts, sufficient provision to be made to allow free movement of components due to temperature, deflection of RCC structure etc. without inducing stresses in structure, including provision and filling, two part pump filled, structural silicone sealant and one part weather silicone sealant compatible with the structural silicone sealant of required bite size in a clean and controlled factory / work shop environment, including double sided spacer tape, setting blocks and backer rod, flashings, fire stop (barrier)- cum-smoke seals, microwave cured EPDM gaskets for water tightness, all of approved grade, brand and manufacture, as per the approved sealant design, within and all around the perimeter for holding glass and provision for drainage of moisture/ water that enters the curtain glazing system to make it watertight, by incorporating principles of pressure equalization, providing suitable gutter profiles at bottom (if required), making necessary holes of required sizes and of required numbers etc. including providing and fixing in position flashings of solid aluminium sheet 1 mm thick and of sizes, shapes and profiles, as required as per the site conditions, to seal the gap between the building structure and all its interfaces with curtain glazing to make it watertight complete all as specified and directed.

Item no 3 :- Contd..... Note : (i) Contractor shall submit design and drawings of whole structural glazing dully vetted from IIT/NIT/ Govt Engineering Collage and get approval of the accepting officer before commencement of the work at site. Design and drawing cost shall deemed to be included in quoted rate and nothing extra shall be paid in this account. The detailed design and shop drawings shall be as per BIS code for required wind pressure as per IS: 875 (Part-III) and shall consider for thermal movements, air inflation, water penetration, seismic movement & structural movement (ii) This item includes cost of fabrication and installation of aluminium grid, installation of glazed units, T&P, scaffolding and other incidental charges including wastages, temporary structures, cranes or cradles etc. (iii) MS brackets & anchor fasteners, SS nut, bolts shall not be paid separately. (iv) The work shall be executed through a specialist firm having experience of handling similar nature of work. Before execution of work contractor shall submit experience related document of the firm for approval of the AO. Contractor shall also submit MOU with approved firm before execution of work at site for approval of AO.

Supply only factory assembled insulating glass units (IGUs) for doubled glazed vision glass panels comprising of hermetically-sealed insulating glass unit (6-12- 6 mm) comprising of heat strengthened coloured tinted toughened glass 6mm thick , of approved colour and shade with reflective soft coating on outer surface and an Heat strengthened clear float glass 6mm thick on inner surface having properties as visible Light transmittance (VLT) of 25 to 35 %, Light reflection internal 10 to 15%, light reflection external 10 to 20 %, shading coefficient (0.25- 0.28) and U value of 3.0 to 3.3 W/ m2 degree K ,separated by a 12 mm thick spacer material, the insulating airspace shall be filled with air or a noble gas, such as argon inside including primary seal and secondary seal (structural silicone sealant) etc. complete all as specified and directed

Taking down cement plaster on brick or stone walls etc including racking out joints, hacking for key, scrubbing down with water and removing rubbish to outside MD land complete all as specified and directed

M & L for rendering 15 mm thick in two coats (10mm+5mm each) on fair faces of brick work or concrete surfaces in cement mortar 1:4, mixed with integral water proofing compound with weight of cement in top layer as per manufacturer's instructions and finished the surface even and fair without using extra cement complete all as specified and directed. (Note : WPC shall be measured and paid separately against respective item).

Supply only integral water proofing compound (ISI marked) complete all as specified and directed.

M&L for preparation of new platered surface of wall and applying two coats of weather proof exterior acrylic emulsion paint having dart pick up resistant,silicon enhanced,UV resistant and PU enhanced property over a coat of alkali resistant primer including applying one or more coat of wall care putty to a smooth surface including making good any undulations on the surfaces including all necessary scaffolding,complete all as specified and directed. Note :- Painting work shall be carried out acoording to Smart Painting procedure mentioned in PS

Dismantling of wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.

Demolition of Reinforced cement concrete in Roofs, floors (other than ground floors), beams, staircases, landing, chajjas, fins and similar suspended work incl scaffolfing and making the surface good with cement concrete 1:2:4 type B0 using 12.5 mm graded aggretgate and finish the surafce to match the shade with glass facade work.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing) and disposal of debris and rubbish to outside MD land complete all as specified and directed.

M & L for Glazed, ceramic, coloured tiles of size 300mm x 200mm x 6-7mm thick, on vertical surfaces such as skirting, dados etc, including 10 mm thick bedding in cement mortor 1:4 and set & jointed in neat cement slurry & pointed in white or coloured cement to match with the shade of tiles complete all as specified and directed.

S & F 15 mm bore, health Faucet ABS with 1.0 m chromium plated Flexible Tube & ABS Wall hook with all accessories complete all as specified and directed. Make: Hindware Cat. No: F160023 / Cera cat no : F8030103 / Prayag Cat No. BEA-86/ Jaquar cat no : ALD-565 or equivelant of make as per List of manufacturer's)

S & F in repair 15mm bore, two way Bib Cock with Wall Flange cast copper alloy, chromium plated with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

Cutting chases in brick wall, pinning in, making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc., and making good, cutting n.exc 10 cm girth complete all as specified and directed.

Supply, laying, connection and testing, 15mm bore, Steel water tubing, galvanised, medium grade with all fittings and fixed complete to walls and ceilings or laid in floors, etc including taking down old unserviceable pipe complete all as specified and directed.

VASANTHA NAIDU ASSOCIATES (BID ID -3260970)