Ground treatment. Because the office floor must be flat, if not flat will have a certain impact on the office floor decoration, uneven places to use mud mortar leveling, or with cement self-leveling can also be. Office ceiling, regardless of whether the choice of asbestos or mineral wool board, should be hung with screws and rods, so as to be durable, hanging with wire is absolutely not allowed. Strong and weak power project Many office renovation process, because of the small size, weak power transformation often will not ask the company specializing in integrated wiring to do. At this time, special attention should be paid to the data and voice labeling must be done at the time of placing the line, not to bring trouble to the follow-up work. Office decoration network wiring in all the lines that need to be threaded through the pipe, you must use steel pipe, and can not be a common pvc pipe in the home furnishing, wire box is also an iron box, maybe pvc can also be used, but the requirements are such. Central air conditioning Nowadays, many buildings are equipped with central air conditioning and fresh air systems, but the indoor air outlets do not always meet the requirements. It is necessary for the decoration company to commission professionals to extend or remodel the air outlets, and ceiling work is required to match. Fire protection works Modern offices have relevant specifications for fire protection requirements. If you want to suspend the ceiling, all the indoor sprinkler outlets must be exposed to a certain size of the ceiling, and should be operated horizontally. If the interior is partitioned out to a new space, according to the fire code, you must add a separate smoke detector, and still have to hire a professional company to do it, usually the building's maintenance unit. This item and the one above if the change is not good, is not through the property inspection.