Our company is a supplier of trench cover, cheap products, quality, price and reliable circular trench cover, use a long time, durable products in the industry we have a price advantage. Here's what the trench cover construction Quality Control: 1, in the ditch body mold removal to be mocked, to avoid damage to the gutter edges rounded trench cover how to sell, in a timely manner after template removal with felt cloth or geotextile cover health. 2. Ditch the cover of mortar used in the installation of concrete ditches wall top pad level, another level crossing pavement construction should cover the top surface of the first nap, timely health coverage after construction is completed, the concrete strength of 80% After the release party. 3, soil ditch construction of ditches plane's position, elevation, water should be strictly in accordance with the direction of the construction design drawings control. 4, in-situ concrete ditches during concrete pouring, vibration should be uniform, and is not in the same position for a long time vibrators; Also note that when the concrete pavement will drain cleaning, clean, non-contaminated surfaces. These are the gutter cover construction quality control SPROUTS, hoping to help. Road rain grate choice: 1, "outdoor drainage design specifications" (GB50014-2006) Section 4.7.1 states: gullies form, number and arrangement of the catchment area should be generated by the traffic, the rain sluicing mouth ability to determine the form and roads. 2, "outdoor drainage design specifications" (GB50014-2006) 4.7.1 Description provisions: provisions gullies design factors should be considered. In the form of gullies, mainly flat and vertical grate grate categories. Flat grate unobstructed flow, but susceptible to tree branches and other debris clogged storm, affecting the ability to collect water. Li clogging circular ditch grate cover, ditches need to maintain a certain depth, but some towns due to yearly maintenance of roads, as roads heightening, so stand grate area reduction, affecting the ability to collect water. Around can be determined according to the specific circumstances and experiences. Gullies should be arranged according to the terrain and determine the catchment area, some areas are not calculated exactly as road length evenly arranged, not only a waste of investment, and can not receive the expected benefits. Circular trench cover much money, circular trench cover, trench cover experts from Anping Wire Mesh Products Co., Ltd. Asahi Connaught. Asahi Connaught Anping Wire Mesh Products Co., Ltd. (www.wangpian1688.com) strong, credible, Hebei Hengshui wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Asahi Connaught wire mesh and you hand into the brilliant, for a better future!