Drain riser installation

by:XEX     2021-01-08
3 a drain riser installation. 2. 3. According to construction drawing proofreading reserved pipe hole size without any mistakes. 3. 2. 3. 2 the riser inspection door set according to the design requirements. 3. 2. 3. 3 riser bracket, after checking the reserved holes and correct bracket of messenger wire hammer and level to identify each location size, uniform number for processing, at the same time in the mounting bracket position are numbered in order to support installation, can according to number in place. After the installation of the process. 3. 2. 3. 4 installed riser must be two people, one person in a layer of floor, by the pipe hole to cast a line head, the following one will be preformed traffic on the upper, expressive parts of the riser on down, will the riser bottom pin inserted into the lower GuanCheng mouths. 3. 2. 3. After five vertical tube inserted into the socket, the person of the lower left riser and check the mouth direction alignment, wedge will pipe a temporary card is used in upper class people in the floor hole, scutching, hanging straight, twisting the ash. Review the perpendicularity of the riser, the temporary fixed riser card. 3. 2. 3. 6 riser after the installation, cooperate with civil use not less than the concrete floor slab label will hole filling of windowsill, and except for temporary fixed. High-rise building or inside the tube well, should according to the design requirements set fixed bracket, bracket and examine whether the pipe clamp at the same time all installed and fixed. 3. 2. 3. 7 high-rise building riser pipe should be installed in accordance with the design compensation device.
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