Self-regulating anti-settlement gutter cover, use the special structure of steel grating wells box covers procurement considerations, the well manhole frame and the seat from the "podium" joints to "socket" joints, big frame seat on the asphalt, no external hinges, to withstand the pressure of steel grating covers size through wells box sides and above the manhole to bear load is greatly reduced, effective solution to the road surface subsidence and damage issues, and through the use of three-spring arm lock means holding the lid, frame, preventing the beating gutter cover, reduces the noise. Thin deck shop, driving fewer minor accidents with traffic growing, maintenance and transportation are also more prominent contradictions, to resolve conflicts and maintenance of traffic, Municipal Utilities Board from abroad and coastal regions, the introduction of concrete Deck rapid repair technology, and many improvements to suit local Chongqing. Has been successfully applied in Yuzhong XINGFA Yanggongqiao bridge and overpass. In recent years, Chongqing city roads began large-scale "white to black", Municipal Facilities Authority introduced a thin bridge deck pavement technology to effectively solve the contradiction between the bridge safety and driving comfort. In Gao Garden Bridge renovation, Yanggongqiao interchange regulation, Hing Fat bridge rectification in steel grating covers are using a thin deck pavement technology, and achieved good results steel grating covers how much a square meter, rain grate size 20cm × 30cm in general, from the way the slope is not necessarily, depending on the design drawings, and also depends on the situation at the scene, the cross slope are generally in the 2% to 3% of the way! stormwater grate mention what works is a filter effect trapped by rain grate section stranded carried a larger volume of dirt, such as plastic bags, cardboard, food waste, etc. 0 answer GB to 450 * 750 rain 2012-07-11 14:47 Grate size selection Description: (1) rain grate flat direction bearing (support) direction. Press the ditch (well) wide gaps remain flat given length L; (2) according to ditch long layout, taking in line with standard processing modulus plate width 995mm, plate gap 5mm; (3) the remaining less than one meter long trench in part by the modulus sizing; (4) the selected model based on steel grating groove width and load requirements. (5) is recommended to choose a standard size stormwater grate design and construction, and other specifications can be customized. Steel grating covers specifications, Asahi Connaught wire mesh (certified), steel grating covers offered by Anping Wire Mesh Products Co., Ltd. Asahi Connaught. Asahi Connaught Anping Wire Mesh Products Co., Ltd. (www.wangpian1688.com) Hebei Hengshui, the wire mesh of the leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Snow in Asahi Metal Mesh leadership with the staff warmly welcome all inquiries negotiations to create Asahi promise a better future wire mesh.