Are those materials in the construction project required to be tested?
As long as you are on the use of materials on the site need to do experiments, such as concrete, sand, stone, cement should be sent to the laboratory to do experiments, the laboratory will be out of concrete mix, if you need to use steel bars, Room to do the experiment, after the completion of the information inside to pay the experimental data, if not the experimental data convulsions Emperor Chi Gao gambling astronomical performance, the Audit Bureau will not recognize.
Are those materials in the construction project required to be tested?
Concrete, cement, sand, stone, backfill, construction mix ratio: concrete, mortar; concrete test block, mortar test block, the main rebound; decoration stage: raw material testing; cement, sand, Such as pipe, pipe, pipe, wire, switch socket, distribution box, etc .; In addition, there are: external wall insulation drawing Experiment, external wall drawing test, external wall insulation test core, indoor air testing, insulation resistance test, lightning protection test.
