Transcription of 7. Installation - Building and Construction Authority
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7. Installation - Building and Construction Authority
7. InstallationWindow Installation involves the fixing of windowframe at an earlier Construction stage and subsequentinstallation of the window sashes. This is a highlyworkmanship dependent process. Only trained andapproved contractors registered in BCA ContractorRegistry under the regulatory workhead RW01 cancarry out Installation and retrofitting of Installation OF WINDOWMAIN FRAMET here are three window framing systems commonlyused in the local industry. These are cast-in windowsystem, sub-frame system and lug CAST-IN WINDOW SYSTEMThe implementation of cast-in window system requirescoordination between the window fabricator and handling and protection are importantthroughout the precast process, delivery and erectionof the precast wall panels. Protection of the framesshould remain intact throughout the constructionphase to avoid physical damages to the frames, whichcould be costly to rectify or : Casting of window frame in precast wall panela)Window frame must be protected throughout thefabrication and Construction processb)Setting out of window frame in precast wall panelcasting mouldc)Casting of precast wall paneld)Completed cast-in window SUB-FRAME SYSTEMThe sub-frame system comprises a sub-f
Table 7.2 Tolerances for Installation of Window Frame Tolerance After confirming the position of the frame, the galvanised straps are ramsetted to the wall. When ramsetting the straps, the plumb line should be maintained to ensure proper alignment of the frame. The levellness and squareness of the installed frame
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