1. Ventilation piping design shall be carried out according to the site, structure and environment required for installation of the ventilation pipe to ensure the practicability of the ventilation duct.
2, general ventilation pipe ventilation system and air conditioning system installation, should be done in the roof of a building, the obstacle of the installation part has disposal of clean conditions.
3, general dust removal system ventilation pipe installation, need to be in the workshop with the wind pipe related process equipment installation, equipment take over or suction and dust discharge hood position has been set under the conditions.
4, construction preparation work has been done, such as construction tools, hoisting machinery and equipment, necessary scaffolding or lifting installation platform has been completed, construction section has been able to meet the requirements.
5, to work closely with the civil construction, should be pre installed holes, the pre embedded support components are intact, and checked to meet the design requirements.
6, ventilation and air conditioning systems composed of a variety of ductwork, parts and fittings have been processed, and the quality inspection qualified.
1) for more complex civil buildings, in the design phase, the various types of work (HVAC, water supply, drainage, power supply lighting and building professional) should first negotiate space separation, determine the elevation of each pipe range. The general case not set himself beyond the boundaries. In case a paragraph is crossed, consult with other projects.
2) to solve all kinds of ventilation pipe collision and coordination principle, generally: "let the pressure get tubular bassoon, no pressure". For example, when the water pipe is in collision with the air pipe, the water pipe should be turned. The cold and hot water pipes and water pipes together, should change the cold and hot water pipe.
3) the engineer of the equipment main shall, before construction, draw the lines of each type of work on a single plan. Each pipe uses a color pen. At the intersection of each of its elevation, to see if there are inconsistencies, timely discovery, the problem before the installation.
4) in order to reduce investment, save space and reduce storey height, some laying pipelines without slope requirements can be laid through beams (such as water pipes, fire fighting, dry pipes, etc.).
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