Through-wall casing specification includes these elements
Through the wall casing specifications focus on the fact that before starting work, staff need to be familiar with the drawing information carefully, carefully comprehend the drawing requirements, and comply with the construction specifications for construction. Staff should be familiar with the drawings, familiar with all the pre-set eyes, pre-buried casing location, specifications, to ensure accurate pre-buried. Engineer according to the construction, water and equipment and other drawing requirements, out of the chart professional stay to buried map paper.
Wear many human defense and pool wall and the location required by the drawings, the installation of waterproof casing, in welding waterproof casing, waterproof wing ring welding should be in accordance with the standard atlas, strict requirements for the quality of the weld. Weld full, there shall be no cracks and sand holes, and can not be welded through the casing, the location of the installation of waterproof casing to be accurate, casing can not be skewed and deviation, casing oral internal side to chamfer, eliminate welding slag and burr edge. Fixed, casing on the benzene plate, cement bags, etc. Tim filled. Should be reviewed after the casing position, if there is a deviation should be adjusted in a timely manner.
The drainage pipe through the floor should be reserved in its relative position eyelet. After the tying of reinforcement in the lower layer of the civil construction, according to the construction drawings to draw professional stay and buried drawings for pre-buried construction, construction to compare the upper and lower layer of engineering drawings, pre-buried casing specification requirements to do pre-buried eyelets, kitchen and bathroom pre-buried holes should pay attention to the location of sanitary ware and the layout of lines and pipes in the kitchen and bathroom, to prevent in Installation of destroyed lines and pipes.
