Installation costs are around 10-25 percent.
Winter construction increment is calculated according to the method of average amortization throughout the year. That is to say, regardless of whether the construction is in winter or not, the winter construction increase fee is calculated according to the prescribed rate.
The rainy season construction increase fee is calculated according to the method of average amortization throughout the year. That is, regardless of whether the construction in the rainy season, the rainy season construction increase fee is calculated in accordance with the prescribed fee standard. When a route through different rainfall area and rainy season period, should be calculated separately rainy season construction increase fee, or according to the proportion of the volume of work to find the average rate of increase, calculate the whole line of rainy season construction increase fee.
Installation project precautions
Construction site must wear a helmet. Correctly wear the helmet should pay attention to the cap liner and the cap shell can not be tightly attached, there should be a certain gap, the top gap of 20mm-50mm, around 5mm-20mm, when something falls to the helmet shell, the cap liner can play a buffer role in protecting the head and cervical spine, can not be taken off the cap liner to use, you must tighten the hat band, to prevent the object The hat liner can play a cushioning role to protect the head and cervical spine when something falls on it.
Where directly engaged in electrified work, must wear insulated shoes, wear insulated gloves to prevent electrocution. Welding workers engaged in welding operations, must wear welding gloves, wear insulated shoes and the use of goggles and protective masks, welding operations will produce arc light, wearing protective masks and protective gloves can prevent injuries.
The above content reference? Baidu Encyclopedia-Installation project costs