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Construction safety inspection standards (JGJ59-2011) a total of several inspection items, respectively, what
The actual score of each item in the checklist should be calculated as follows: A1 = B * C / 100 where: A1 - the summary table is the actual score of the sub-item; B- Full score; C-check the score score.
Why is all the civil safety information, there is no special decoration safety information? More
Extrusion board is mainly produced according to the order, the amount can be more effective control of production costs, the amount is too low, then most manufacturers will not boot production, the more common domestic extruded board equipment, about 170 cubic meters to 250 cubic meters , If you do not have a lot of batches, then you can choose to buy the manufacturer's inventory products.
How many special types of personnel are required for the construction industry?
You said all wrong, all wrong, all wrong! . the central fresh air system (not the new air unit) can only let the room in the closed doors and windows (or closed room) in the case of ventilation effect, can not be made Hot refrigeration; air conditioning have the effect of heating and cooling, can be carried out humidity control. . you said the heat recovery is a hot exchange of fresh air system, more energy-efficient products, divided into hot and humid exchange of new fans and hot new air units two. But the heat recovery efficiency is generally 65% to 80%, it does not have the effect of heating and cooling, in other words: when the air conditioning to adjust the indoor environment to a certain temperature, stop using, the use of hot exchange fresh air and ordinary fresh wind Than the former indoor temperature change is relatively slow!
What are the special construction plans for the rainwater tank culvert project?
General factory roof do mineral wool, sandwich tile seems to be through the fire, the wall is generally used a single layer of tile
There are several special construction projects in the construction project?
Said the same thing, polystyrene foam is benzene board, polystyrene board, northeastern side is generally called benzene board, south of Gong hold the bar Yi visit the poem sails are called the bubble, there are called Polaroid , Is referring to a thing. The kind of white foam used in electrical packaging is.
What are the contents of the safety and civilized construction measures?
Polystyrene chemical stability is poor, can be a variety of organic solvents (such as: aromatic hydrocarbons, halogenated hydrocarbons, etc.) dissolved, will be strong acid and alkali corrosion, non-oil, in the ultraviolet light after the color change. Burning will produce a lot of carbon monoxide or carbon dioxide, pay attention to prevent poisoning
How to review the special construction of steel structure
He found that the current flows from the positive pole of the filament to the metal sheet, rather than from the negative electrode
What are the five accidents in the construction industry?
The top is definitely to hang, with the top of the space to stay between one meter is the best, in the ceiling of the time, such as with a buckle plate, in the buckle inside plus a layer of rock wool, 3-5 cm thick, Remember to install the time as far as possible not to flatten the cotton, will affect the effect. Brick wall outside or inside, do insulation layer, if the money, but also with rock wool or foam board and the like, if the foam board, the thickness of not less than 6 cm, 10 cm best. Glass surface, this does not spend money is to die, do not spend on the outside hanging sun curtain, cloth and the like, if you want to see, to brush transparent insulation coating, but the price is high.