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Anonymous users2024-01-24Boom - elastic ceiling elevation line - brush black paint above the elevation line - install water, electricity and ventilation pipes - install the surrounding mineral wool board ceiling - preliminary installation of metal grille - set the position and height of the ceiling arch - adjust the height of the fire sprinkler head according to the ceiling arch line - equipment debugging - adjust the metal grille according to the arch height - straighten the fire sprinkler head straight - install lamps and lanterns - finely adjust the grid straight and straight.
Grid ceiling plane position to find rules: because each floor of the shopping mall is 120m long from east to west, wide from north to south, column network spacing, and large area, so it is necessary to deal with the vertical or parallel relationship between the metal grid and the mineral wool board, between the ceiling, the ceiling and the wall, and the column. This is used as a datum for the position of the ceiling plane.
Grid ceiling arching form and arching height: this project is not suitable for arching because the longitudinal size is too long, the arching should be in the short north-south direction, and the arching height can be about 1 200 of the 8m column spacing.
The plane position of the fire sprinkler head can not coincide with the grille strip, and should be straight in both directions, for this, a pedal bend greater than 900 can be made at the upper end of the fire sprinkler riser, so as to fine-tune the plane position of the sprinkler head.
The retention of equipment inspection holes: because all kinds of pipes in the grille ceiling are equipped with adjusting valves, the inspection holes must be left in the corresponding position, and the position of the inspection holes is not vertical and horizontal rows, the following methods can be adopted for this: first cut into holes, and then add angle aluminum around the holes, the lower skin of angle aluminum is recessed into the lower skin of the grille 2mm, and finally the grille strip that cuts the holes is adjusted and assembled and then placed on the angle aluminum.
Node treatment between the ceiling and the column: L20mm*20mm angle aluminum can be used for connection with the square column, which can achieve the effect of coordination with the keel of the side of the mineral wool board ceiling, and the connection with the cylinder can be closed with 35 stainless steel pipe ring edge.
Precautions for ceiling construction:
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