Construction measures of landslide control project in rainy season
Jujifang landslide control project is planned to be constructed in the dry season from late autumn to winter in 20**, but the safety of construction in rainy season should be fully considered to prevent problems before they happen.
(1) After the project starts, a leading group for rainy season construction headed by the project manager will be set up immediately, and a deputy manager will be responsible for formulating the implementation rules for rainy season construction.
(2) Equipped with mechanical equipment for rainy season construction and emergency materials for emergency rescue and disaster relief.
(3) Strengthen the prevention and management of rainy season construction.
(4) Collect meteorological information, make network adjustment plan, and guide engineering construction.
(5) Stop the construction of intercepting ditch in case of rain, build by laying bricks or stones with straw curtains, etc.
(6) When excavating the pile hole, cofferdam and drainage ditch should be set at the orifice to ensure the smooth flow of water and prevent it from infiltrating into the pile hole; Strengthen the support in the easy-to-slip section of pile hole; Add a canopy to the opening.
(7) When blasting, control the charge and stop the blasting operation in rainy season.
(8) Strengthen landslide monitoring and increase monitoring frequency.
(9) Make plans for emergency rescue and disaster avoidance, and organize emergency rescue teams to carry out emergency rescue in case of landslide and bank collapse.
(10) The project department pays close attention to the weather changes and insists on listening to the local weather forecast every day. It is forbidden to construct in rainy days.
(1 1) Clean up the drainage in the construction site before it rains, and don't let the rain accumulate and seep to the surface.
(12) Make a detailed and feasible material supply plan, try to use up the building materials that have been transported to the site, and don't leave a lot of cement, sand, stone and steel bars on the slope, so as not to cause a lot of additional loads during the rain period.
(13) The site shall be equipped with nylon membrane for a long time. Before it rains, the site should be completely covered with film, so that the rain can flow down the slope along the film.
(14) No matter what elevation the construction reaches, we should ensure that there is enough drainage system to discharge the surface water outside the slope.
(15) A sufficient number of drainage pumps shall be provided at the site to pump water to the drainage ditch.
(16) The poured but not solidified concrete surface shall be covered with nylon membrane. When pouring concrete, the design position of construction joints should be considered in advance.
(17) Cement must be put into the shed, and sand and gravel reinforcement should be covered with nylon cloth.
(18) The main operation equipment shall be equipped with mobile rainproof facilities.
(19) Designate a special person to be on duty in rainy days, responsible for checking the rainproof measures at the construction site, and for pumping water and emergency response in rainy days.
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