How many centimeters is the clearance line between the silo of concrete mixing station and the ground, and how many centimeters is the Man Cang line from the top? The lines are beautiful.

The basic requirement of the mixing station layout standard L is 1. 1. The site selection of the mixing station is safe, the layout is reasonable and the land is saved. The station is divided into mixing operation area, raw material storage area, living office area and transport vehicle parking area. 1.2 The ground in the station is all hardened, the brick wall is closed, and there are entrances and exits and gates. 1.3 on-site hardening standard: all sites in the mixing station fence are hardened with C 15 concrete with a thickness of 420cm. After hardening, the site flatness is 2nl, and the foot is 5m. It must be poured in blocks, the joints should be straight, and the pavement in the site should be slotted and non-slip. 1.4 standard for residual wall: a closed brick wall, 37 walls and 24 walls for 2nb foundation are set around the mixing station, and a 37-ribbed wall stack is set every 5m; White plaster is pasted on the inside and outside walls of the fence, and slogans are written on the outside walls. The bottom of the fence is provided with 10cmX 15cm drainage holes with a distance of 5m, which are used to drain rainwater and sewage in the site. The color of the fence, the propaganda slogan on the wall, the type of the crib, etc. It shall be implemented in strict accordance with the requirements of the Corporate Culture Construction Manual of the Group Company. L5 gate: the width of the gate of the mixing station must meet the requirements of two lanes of the tanker; Set up a weighbridge facility flush with the ground at the gate; At this stage, the main mixing station gate is an electric retractable door, and the 1 duty room is located in the color steel plate room. 2. Storage area standard 2. 1: Sand and gravel are stored in light steel silos, steel columns and blue color steel plate ceilings, and the outer three sides are sealed with military cotton tents or color steel plates. 2.2 Silo partition, each area is separated by brick partition wall, the partition wall is 37cm thick and 2m high, the partition wall is smooth, and the walls and the top surface are all plastered with mortar. 2.33 Pillars shall be buried in the middle of the wall and shall not be exposed outside the wall. 2.44 windproof: considering the windproof grade is 8, steel scissors are used to tie the column and other windproof measures are taken. 2.5 Anti-freezing: In addition to peripheral sealing, it is also necessary to meet the requirements of winter construction, and consider measures such as reserved heating and heat preservation. 2.6 Snow prevention: After fully investigating the local snowfall, it is recommended to adopt herringbone roof structure with snow removal measures. If the arched roof is adopted, there must be a reliable snow removal scheme. No matter what kind of roof structure, it should be strong enough. 2.7 marking line: set a red paint marking line with a width of 20cm below the top surface of the silo partition wall 15cm as a sign to limit the stacking height and prevent cross feeding. 2.8 Embedded parts of material identification card: rebar hooks are embedded in the partition wall facing the gate of the silo as embedded parts for hanging the material identification card. The specific location of the sign is: the top of the sign is located 35cm below the top surface of the partition wall, and the outside is 20cm away from the end of the partition wall. 2.9 Drainage: The bottom surface of the silo is made into an outward 1% transverse slope, and an open ditch is set at a distance of about 50cm from the partition wall, and notches should be made in the open ditch to ensure that the iron grate placed on it is flush with the ground. Layout standard of mixing station 3. Mixing area standard 3. 1 basic requirements: according to the setting of two-machine stations, each mixer is equipped with at least 5 powder tanks, and 2 tank positions are reserved; Consider setting two liquid tank locations: additives and preservatives (antifreeze); The dosing machine is equipped with four hoppers; Each mixer is independently equipped with an automatic metering control operation room. 3.2 Conveyor belt: Considering the factors of saving land and shortening feeding time, the plane distance between dosing machine and mixer should be compressed as much as possible to shorten the length of conveyor belt. 3.3 Identification: The color design of tank, mixer and dosing machine shall be handled in strict accordance with the requirements of the corporate culture construction manual of the Group Company; Identification signs around the mixer should be set according to the standard requirements of Central South Company; The exposed part of the concrete base of the tank should be clean and tidy, and the side should be decorated with red and white paint, with an oblique angle of 45 degrees and a width of 20cm. 3.4 Sewage discharge: The sedimentation tank is designed according to the principle of secondary sedimentation. The bottom of the mixer must be set into a trough shape to prevent other parts of the field from being polluted when cleaning the mixer; An open ditch is arranged below and around it to communicate with the sedimentation tank, and an iron water filter is arranged on the open ditch. 4. Randomly hang the signboard 4. 1 mixture ratio signboard, driver's post responsibility signboard and post safety operation regulation signboard (80cmX60cm). 4.2 Put warning signs (80cmX60cm) and the process flow chart of "Pay attention to safety in important construction sites" under the shelf of the mixing station. 4.3 Classify and mark the sand and gravel materials, and hang a signboard (80cmX60E): the gravel is divided into qualified areas and areas to be inspected according to two grades, and the sand is divided into qualified areas and areas to be inspected. 4.4 The effect drawing of mobile mixing station is set up on site, and the vertical column and the outer frame are made of stainless steel, with a height of 2m. The effect drawing must clearly indicate the environmental protection facilities, o4.55 mechanical operation rules and safety signs of the topsoil stacking site for re-cultivation, and other matters not covered shall be handled in accordance with the relevant requirements of Zhongnan Company and Group Company. 5. Waterproof and drainage system 5. 1 Surface drainage: According to the requirements of topography and site planning, the combination of decentralized drainage and centralized drainage is adopted to ensure that the site does not accumulate water; Strict implementation of environmental protection, setting up sedimentation facilities, site sewage discharge shall not pollute off-site rivers, farmland, etc. 5.2 House drainage: The house of the mixing station is drained, and the living area, mixing area and storage area are planned as a whole, so that the house drainage is smooth and environmentally friendly. 6. TN-S system must be adopted for safe electricity utilization on the construction site, and three-phase five-wire system shall be implemented. All neutral connections ensure reliable electrical connection. The protection line PE must adopt green/yellow double-color line. Strictly distinguish between phase line and working zero line, and it is forbidden to mix them. Each electrical equipment should have a special switch box, and the system of "one machine, one brake, one box and one leakage" (including socket) should be implemented. Two power distribution cabinets and four distribution boxes are set at safe positions on both sides of the steel bar processing plant. Annular overhead arrangement of wires and lines. There is a full-time electrician on site to manage the use and maintenance of all power distribution cabinets, distribution boxes, electrical equipment and power lines in the processing plant. 7. Small conference room and other houses 7. 1 Each mixing station is equipped with a small conference room that can accommodate 20 people. 7.2 Environmental protection measures, safety measures, sanitary measures, fire control measures, organization chart, quality assurance system, etc. Indoor suspension mixing station, and meet the relevant requirements of concrete mixing station of Shanxi Zhongnan Waterway Company and Group Company. 7.3 A stationmaster's office, two laboratories and two supervision rooms are set up in the station, and other rooms are set as required. 8. In the proper position of the fire-fighting equipment mixing station, place a 2-meter-long, 1.5-meter-high welded steel frame, which is divided into three layers (with hooks) and set up a canopy for standard suspension of fire-fighting equipment such as fire shovel, fire bucket, fire hammer and 4kg fire extinguisher. Each fire-fighting equipment shall be no less than two (the mixing station shall be equipped with fire shovels, fire buckets and standard hammers and fire extinguishers). On the right side, a fireproof sand pool with a volume of not less than 2 cubic meters is set, with length × width × height =2mXlmXlm.