1、WOH HUP (Private) LTD Pictorial Method Statement for Timber Door Sub- Frame Installation The Cascadia Condominium图解木门底框的安装步骤1A. Materials 材料1 Jurcem Base Plaster内墙沙灰B. Tools and Equipment2 工具、设备-Plumb bob 铅锤线 -Compressor 鸭嘴泵 -Air Gun 气钉枪 -Cutter 锯子 -L Angle “L”角尺-Straight Nails, Wave Nails光钉，螺纹钉-Bos
2、tik Adhesive ，粘合 胶-Mallet 木槌-Hand Saw 砂纸C. Statutory Clearance3 规定的清理工作Obtain clearance from other trades (such as structural, architectural & M&E trades) prior to timber works.在安装门框之前，确保结构、砖墙、水电等阶段的工作已经完成D. Materials Check4 检查材料The dimensions of the sub frame (WxH) will be manufactured based on app
3、roved shop drawings and to verify all the dimension on site before fabrications.在装备之前，要根据图纸并核实该工程所有门框的尺寸来制造门框。5 Check damages, cracks, holes, unprimed parts.检查损坏，裂缝，洞，油漆等。E. Preparation 准备工作6 Check the brick wall opening for correct size and position.检查砖墙预留洞口的尺寸和位置。7 Minor trimming of sub frame to c
4、atch good alignment. Primer shall be used to touch up any exposed surface of the sub frame.仔细检查修检门框以达到最好的尺寸。门框表面任何暴露出的部分需用底漆刷好。F. Execution 具体步骤8Set the sub frame up using the setting up datum reference line on wall (Datum reference line to be provided by the builder).利用墙上的 1 米定位线来确定门框的位置。（门框上定位线由工人
5、标出）。9Check the frame from the floor setting out line.根据楼层地面上的定位线来核实门框的位置。10Position and adjust sub frame using timber wedge between sub frame and wall to obtain vertical alignment. Ensure sufficient protrusion of the sub frame to receive wall finishes.用木板楔调整固定门框的垂直方向位置，保证门框足够的贴住墙边。WOH HUP (Private)
6、LTD Pictorial Method Statement for Timber Door Sub- Frame Installation The Cascadia Condominium图解木门底框的安装步骤211Check vertical alignment.检查垂直度。12 Secure frame by bending and nailing the holdfasts which are fastened to the door jamb to R.C. wall.使用铁片来固定门框，用钉子把铁片钉在侧门框和混凝土墙面上，连接固定。 13Secure sub frame by b
7、ending and nailing the metal strip which are fastened to the door jamb to block wall. Adjust the holdfasts and metal strips to avoid any M&E switches or chasing.把铁片钉在门框和墙面上以固定门框，调整铁片在合适的位置，避开水电装备（电盒、管道、开关盒等）14The sub frame base timber piece shall be removed after securing the holdfasts.门框被方便钩固定好以后，拿
8、掉门框底边的支撑木板。15Use cement mortar to grout the gap between the sub frame and the wall to provide extra security to the sub frame installed. The timber wedge shall be removed 1 day after installation for the grout to harden. 用水泥浆填充门框和墙之间的缝隙以固定门框。用于固定门框的木板楔、木条应该在填充好水泥浆 1 天之后拿掉。G. Checking 完成检查16 Conduct final inspection to check the overall plumb, alignment and dimension for opening.检查门框洞口的总体铅垂，位置和方向。
