NAME OF THE WORK: - Vizag Steel

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VISAKHAPATNAM STEEL PLANT SPECIFICATION FOR FALSE CEILING ALUMINIUM DOOR <strong>WORK</strong>S IN DINING HALL, GUEST HOUSE AT JAGGAYYAPETA LIME STONE MINES 1.0 Aluminium double swing door with floor spring The door frame section shall be UV resistant powder coated / anodized aluminium made from 101.6mm x 44.45 mm x 3.18mm thick anodized aluminium section of approved make INDAL or any other approved equivalent as per IS: 1948 (latest rev.) Door stiles , top and bottom rails etc. shall be made as per IS: 1948 (latest rev.) with anodized aluminium box section having wall thickness of not less than 2.5mm, Glazing shall be fixed to the shutter frame with snap on bead of approved quality and make and neoprene gaskets. The door shall be fixed with double action floor spring (IS : 6315) securely anchored to floor and pivoted for swing action. All necessary fittings and fixtures like anodized aluminium door handle, weather strips, bolting and locking arrangements with keys in duplicate of approved quality and make shall be provided. 1.1 Aluminium Joinery Anodized aluminium joinery shall confirm to the requirements specified in IS:1948 and IS:1949 and shall be of INDAL or equivalent reputed make. The average thickness of nodic coat shall not be less than 20 microns (IS 7088) and shall be matt finished. Aluminium doors shall be made of aluminium alloy confirming to IS: 733 and sections should generally confirm to IS : 1948. . Coupling members forming composite sections shall be of extruded true right angle. For side hung shutters , hinges shall be normally of projecting type made of aluminium alloy and riveted / machine jointed to frame and shall have stainless steel / Aluminium alloy pins. Irrespective of the hinges being anodized or not, the aluminium alloy pins shall be anodized to a minimum film thickness of 25 microns and shall be sealed with oil or wax. Handles, peg stays shall be of approved heavy duty quality aluminium or its alloy confirming to IS specifications. The door frame and shutters shall be single action or double action as per requirement with hydraulic door closer in the floor. The doors shall be provided with anodized aluminium door handles for full width of door inside and outside. The door frame shall be provided with approved anchors spaced not more than 900mm centres. Before erecting, frames coming into contact with concrete masonry, plaster or dissimilar metals, shall be coated with a thick layer of clear transparent lacquer based on methacrylates or cellulose butyrate, which is compatible with zinc chromate to protect the surface from wet cement during installation. This lacquer coating shall be removed after installation is completed. Before handing over, the aluminium work shall be washed with mild solution of non-alkali soap and water. Gaskets to be used shall be made of neoprene / EDPM of approved make and shall be approved by the Engineer / consultant before fixing in position. The sealant shall be of approved make and shall be duly approved before application. Aluminium doors, windows and ventilators after fixing in position shall be water tight and airtight.
Aluminum material used shall be specially anodized for protection against corrosion in marine environment in approved shade. The anodic coating shall confirm to IS:1868 and shall be of AC25 grade with minimum thickness of 20 microns when measured as per the IS : 660/2 and density shall be t least 32 MG/Sqm. The anodic coating shall be double sealed or alternatively sealed with steam and shall be of minimum thickness of 50 microns. The anodic coating shall be tested in laboratory by Eddy current method as per IS: 6012 for thickness, Sulphuric acid shall be used as the electrolyte for the anodic process. 2.0 GLAZING 2.1 Materials All glass shall be of selected quality confirming to relevant Indian standard specifications and of an approved type and make. The contractor shall submit samples of all glass to be used on the works to the Engineer/ consultant for approval and following the approval these samples shall form the standards. The types and quality of glass shall not in any case be inferior to the following Type Limit of thickness Approximate weight (mm) (Kg/sqm) 2.1.1 Clean float glass Shall be of 4mm /6mm/ 8mm thick. 2.1.2 Clear toughened float glass 2.1.3 Tinted float glass 2.1.4 2.1.5 Tinted, toughened float glass 2.2 Workmanship Fixing of all glazing shall be carried out strictly in accordance with the requirements of IS :1038 and IS: 1003 (part I & II) Glass shall be delivered to site in cut sizes bearing manufacturers name or trade mark and the quality, thickness and weight of glass shall be clearly marked on packages. All glass shall be glazed by means of flat or neoprene gaskets of a suitable section for the glass and the frame. The glass shall then be secured by either metal or timber glazing beads. Glazing rebates in timber frames shall be prepared and primed prior to glazing. All glass shall be cut according to the sizes. Glazing of metal doors, windows and ventilators shall confirm to IS 1081 and glazing for timber doors, windows and ventilators shall confirm to IS:1003, unless otherwise specified. For glazed wooden doors and windows , the wooded frames, particularly the rebate shall be well oiled to prevent oil from putty being sucked by wood. The glazing shall be done with the specified glazing putty and clips. The method of glazing in each case shall be according to relevant Indian standards. All glasses shall be thoroughly cleaned and all putty and glasses damaged during the work shall be replaced. 2.3 Cleaning : After glazing work is complete, the surface of glass shall be cleaned thoroughly so as not to have any spot of dirt etc.
Page 1 and 2: RASHTRIYA ISPAT NIGAM LIMITED VISAK
Page 3 and 4: ENVELOPE (to be super scribed as EN
Page 5 and 6: 1.0 GENERAL (1) Rashtriya Ispat Nig
Page 7 and 8: 4.0 INSTRUCTIONS FOR SUCCESSFUL TEN
Page 9 and 10: SPECIAL CONDITIONS OF CONTRACT (SCC
Page 11 and 12: h) “The contractor shall ensure t
Page 13 and 14: 33. In case the tenderers revoke /
Page 15: 39. The contractor should clearly u
Page 23 and 24: VISAKHAPATNAM STEEL PLANT BILL OF Q
Page 25: RINL VIGILANCE � TOLL FREE NO. 18

NAME OF THE WORK: - Vizag Steel

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