Meteorological monitoring tower

I. Classification of iron towers and communication towers

(1) Classification of iron towers:

According to the material, it is divided into: angle steel assembly tower, steel pipe assembly tower and conical tube tower.

According to the type of action is divided into:

1, communication tower

Communication towers, also known as communication towers and communication towers, are mostly built on the ground, roofs and hilltops. The tower is made of angle steel, supplemented by steel plates and steel pipes. The components of the tower are connected by bolts, and all tower components are subjected to hot dip galvanizing and anti-corrosion treatment after processing. Angle steel tower consists of tower boots, tower body, lightning protection tower, lightning rod, platform, ladder, antenna bracket, feeder frame and lightning protection downlead.

2. Decorative tower

The decorative tower has many functions such as decoration, communication, lightning protection and landscape. They are mostly built on high-rise buildings and roofs, and can also be used as landmark buildings such as squares, amusement parks and scenic spots. Decorative tower, also known as process tower, is mainly made of steel structure, and its outer surface is mostly titanium and stainless steel. It has a variety of shapes, and the decorative effect with lights is more prominent.

3. Microwave tower

Microwave towers, also known as microwave towers and microwave communication towers, are mostly built on the ground, roofs and hilltops. The microwave tower is strong in wind. The towers are mostly made of angle steel supplemented by steel plates, or all of them can be made of steel pipes. The components of the tower are connected by bolts, and all tower components are hot-dip galvanized and anticorrosive after processing. Angle steel tower consists of tower boots, tower body, lightning protection tower, lightning rod, platform, ladder, antenna bracket, feeder frame and lightning protection downlead.

4. Lightning protection tower

Lightning protection towers include three-legged round steel lightning protection towers, four-legged angle steel lightning protection towers, steel tube lightning protection towers, independent lightning rods and other forms. The materials are round steel, angle steel and steel pipe, which are completely manufactured according to the relevant national standards and can fully meet the national lightning protection requirements. Lightning protection towers are all hot-dip galvanized after processing and will not rust for 30 years. The height of lightning protection tower is generally10-40m, and the design height with special requirements can reach120m. This product is widely used in inflammable and explosive production units and storage units.

5, stay tower

Cable tower, also known as mast structure, is characterized by less steel consumption and low cost, but it covers a large area and is mostly used in open areas. Can be used as communication tower, anemometer tower, lightning protection tower, microwave tower, medium wave tower and other meteorological towers. Besides occupying a large space, it can meet most communication needs.

6.watchtower

The watchtower adopts steel structure instead of brick-wood structure, which is light in weight and convenient to carry. Watchtowers are mostly built on the top of the mountain with high terrain, and the cost is relatively low compared with brick and wood structures. Watchtower can be divided into two types: stay-wire watchtower and self-supporting watchtower, both of which have the same function and the cost of stay-wire watchtower is lower. Watchtower is mostly used for forest fire prevention, so it is also called forest fire prevention watchtower, sometimes called fire prevention tower. This tower can also be used for mine duty and anti-theft.

7. Lighting the lighthouse

The lighting lighthouse can adopt angle steel structure, steel pipe structure and single-pole structure. Product categories include: projection lighthouse, lighting lighthouse, lighthouse with lifting light frame, angle steel structure lighthouse, railway freight yard lighthouse, etc.

8. TV tower

The TV tower, also known as the radio and television transmission tower, is made of steel pipes and plates, and its height is more than 60 meters. The components of the tower are connected by bolts, and all tower components are hot-dip galvanized and anticorrosive after processing. Angle steel tower consists of tower boots, tower body, lightning protection tower, lightning rod, platform, ladder, antenna bracket, feeder frame and lightning protection downlead.

9. Special purpose iron tower

Special purpose iron towers are mainly classified according to their uses. Our main products are: craft modeling tower, torch tower, chimney tower, fire training tower, monitoring tower, steel structure water tower, sightseeing tower, modeling tower, sign tower and various other steel structure iron towers.

(2) Communication tower classification:

Classification by material: angle steel tower and steel pipe tower.

Classification by structure:

Four-column angle steel tower (self-supporting or pulling), four-column steel tube tower (self-supporting or pulling), three-column steel tube tower (self-supporting or pulling), single-tube tower (single-tube tower), pulling tower.

Second, the tower foundation construction quality inspection requirements

The iron tower foundation is actually a concrete pile foundation project, and the construction site should have corresponding construction technical standards, sound quality management system, construction quality control and quality inspection system.

The tower foundation construction project shall have the construction organization design and technical scheme, which shall be reviewed and approved by the construction unit and supervision unit. Construction must be carried out in accordance with the construction text and corresponding documents after the joint hearing.

Supervisors must control the quality of the tower foundation according to the design documents, check the geological exploration report of the tower and related documents or floor bearing data, drawings and other related documents to ensure that the tower foundation meets the engineering design requirements.

The foundation engineering of iron tower can be divided into: (1) positioning, measuring and setting out; (2) Earthwork excavation; (3) pouring cushion concrete (4) formwork support; (5) steel binding; (6) concrete pouring; (7) Positioning of anchor bolts; (8) Burying of grounding device; (9) maintenance; (10) Ten processes such as backfilling. The following describes the quality control process according to the above ten procedures:

1. Positioning survey setting-out: positioning and marking, measuring the foundation position of the iron tower according to the design requirements and geological exploration data, which needs to be changed sometimes and must be confirmed by the representative of the construction unit. After the location of the survey foundation is determined, it should be verified against the design to ensure its accuracy.

2. Earthwork excavation: according to the design requirements, ensure the length, width and depth of foundation pit and coupling beam pit, and pay attention to protect underground cultural relics when digging the pit.

3. Cushion concrete pouring: After the foundation pit and coupling beam are dug, the foundation cushion concrete (generally about 250px) is poured according to the design requirements. After the concrete is hardened, the steel skeleton in the foundation and coupling beam should be bound.

4, iron tower foundation template installation:

Before watering the foundation and coupling beam, the formwork shall be erected, and the size shall meet the requirements. Formwork and its supports shall be designed according to the engineering structure, load, foundation soil type, construction equipment and material supply. Formwork and its supports shall have sufficient bearing capacity, rigidity and stability. Can reliably bear the weight, lateral pressure and construction load of pouring concrete. Before pouring concrete, the formwork works shall be accepted. During pouring, observe and maintain the formwork and its support, and handle any abnormal situation in time. Template installation shall meet the following requirements:

(1) template joints should not leak slurry; Before pouring concrete, the wooden formwork should be watered and wet, but there should be no water in the formwork.

(2) The contact surface between formwork and concrete shall be cleaned and coated with isolation agent, but isolation agent that affects the structural performance shall not be used.

(3) Before pouring concrete, the sundries in the formwork should be cleaned up.

(4) When the formwork is dismantled, the strength of concrete should be able to ensure that its surface and edges and corners are not damaged.

5, steel binding tower foundation:

(1) When the reinforcement comes into play, the mechanical properties of the specimen shall be tested according to the current national standard "Hot Rolled Ribbed Reinforcement for Reinforced Concrete" GB 1499, and the quality must comply with the relevant regulations. Steel bars shall be straight and undamaged, and the surface shall be free of cracks, oil stains, granular or flaky old rust.

(2) When the varieties, grades or specifications of steel bars need to be changed, design change documents shall be handled.

(3) When installing steel bars, the varieties, grades, specifications and quantity of steel bars must meet the design requirements.

(4) The foundation skeleton shall be bound in strict accordance with the design requirements. Its specifications, dimensions and quality should meet the requirements. When steel bars need to be welded, there should be a welding test report and submit it to the supervisor for inspection.

(5) Before pouring concrete, the concealed reinforcement works shall be accepted, including:

(1) Variety, specification, quantity and location of longitudinal reinforcement.

(2) Reinforcement connection mode, joint position, joint number, joint area percentage, etc.

(3) the variety, specification, quantity and spacing of stirrups and transverse reinforcement.

(4) Specification, quantity and location of embedded parts.

(6) The connection mode of longitudinal reinforced bars shall meet the design requirements. At the construction site, the mechanical properties of steel bar joints should be tested according to the national standards "General Technical Specification for Mechanical Connection of Steel Bar" (JJ107) and "Code for Welding and Acceptance of Steel Bar" (JJ18), and the quality should comply with relevant regulations.

(7) Reinforced joints should be set in places with less stress. Two or more steel bars shall not be installed in the same longitudinal direction. The distance from the end of the joint to the bending starting point of the steel bar should not be less than 10 times the diameter of the steel bar.

(8) When steel bars are mechanically connected or welded, the joints set in the same component should be staggered, and the length of the joint connection section of longitudinal steel bars is 35 times d(d is the larger diameter of longitudinal steel bars) and not less than 500mm. The transverse clear distance should not be less than the diameter of reinforcement and should not be less than 25 mm.

6, tower foundation and coupling beam watering:

(1) cement shall be inspected for variety, grade, package or bulk warehouse number and delivery date when entering the site, and its quality must conform to the current national standard Portland Cement and Ordinary Portland Cement (GB 175). When the quality of cement in use is in doubt or it has been out of the factory for more than three months, it should be reinspected.

(2) The quality of sand, stone and water used in concrete shall conform to the current national standards, such as Quality Standard and Inspection Method of Gravel or Pebble for Ordinary Concrete (JGJ53), Quality Standard and Inspection Method of Sand for Ordinary Concrete (JGJ52) and Water Standard for Concrete Mixing (JGJ63). Concrete shall be designed according to the relevant provisions and requirements of the national standard Code for Design of Mix Proportion of Ordinary Concrete (JGJ55). The label of cement and sand should meet the design requirements. Concrete should be mixed with a mixer in strict accordance with the proportion of cement, sand, stone and water, and an application form for concrete mixture ratio should be filled in and submitted to the supervisor for review. When pouring, vibrating rods should be used to vibrate repeatedly. After the concrete is hardened, samples shall be taken for inspection, including strength, cement and sand ratio. When pouring the foundation, there should be a test report on the compressive strength and flexural strength of concrete, which should be submitted to the supervisor for review. It should be noted that the four piles are horizontal, and the center distance between any two adjacent piles is the same, so it can be measured with a horizontal measuring instrument.

(3) The appearance quality of cast-in-place concrete foundation structure should not have serious defects. For the serious defects that have occurred, the construction unit shall propose a technical treatment plan, which shall be handled after being approved by the supervision (construction) unit. The processed parts should be re-inspected. General defects that have appeared should also be dealt with.

(4) Cast-in-place structure should not have dimensional deviation that affects structural performance and use function. For the parts that exceed the allowable dimensional deviation and affect the structural performance and installation function, the construction unit shall put forward a technical treatment plan, which shall be treated after being approved by the supervision (construction) unit, and the treated parts shall be re-inspected.

7. Pre-embedded positioning of anchor bolts of iron tower: When pouring foundation piles, locate the embedded anchor bolts according to the design requirements, find out the position and reserved height of the anchor bolts, and pay attention to the same reserved horizontal height of the anchor bolts of foundation piles. It can be positioned first. When positioning, it can be spot-welded on the foundation skeleton with a welding gun, and then it can be further verified with a level meter. Finally, it can be poured.

8, lightning protection grounding device buried:

(1) Bury grounding bodies according to design requirements, and weld leads between grounding bodies. Grounding body should be buried around the tower foundation. Generally, more than 28 50×50×5mm angle steel grounding bodies with a length of 1.5 m should be buried, and connected with 40×4mm flat steel grounding body connecting wires. If it is a connecting beam, the grounding body connecting wire should pass through from below. The buried depth of grounding body is not less than 0.7m from the ground, and it should be buried under frozen soil in cold areas, and installation should be avoided in highly corrosive areas.

(2) Angle steel of grounding body and flat steel of connecting material must be hot-dip galvanized, and its material should be the same as that of iron tower, using Q235 steel.

(3) The reinforcement in the foundation pile can also be used as a part of the grounding body and connected with the grounding lead-in. Two grounding lead-in wires should be reserved beside each tower foundation, and three grounding lead-in wires should be reserved for feeder grounding (generally near the feeder window of the machine room) for easy use and detection. Grounding lead-ins should be connected from the middle of grounding device, and multiple grounding lead-ins should not be connected at the same contact, but should be staggered.

(4) When inspecting the laying of grounding device, the supervisor shall ensure that the welding seal between the grounding body and the connecting wire is complete and full, there is no obvious air hole, the bolt connection is firm, and there are measures to prevent looseness; The grounding lead-in wire should have a protective tube when passing through the wall, and there should be a margin when passing through the gap between buildings. Contact surfaces of grounding lead-in joints shall be all tinned, bolts shall be firm, and anti-corrosion measures shall be taken. A grounding wire disconnection card should be set between the grounding lead-in wire and the grounding bus bar installed inside and outside the machine room, so as to check the resistance value of the grounding device. The broken card should be rusty.

(5) After the grounding device is completed, the supervision unit shall, jointly with relevant units, test and record the grounding resistance value, which shall be less than 5Ω, otherwise the grounding angle steel shall be added.

9. Maintenance:

(1) After foundation pile concrete pouring 12 hours, cover it with straw mat or plastic film and maintain it with moisture. The lid should be tightly covered, and there should be condensed water in the plastic film, which usually takes about 28 days (depending on the weather and temperature).

(2) The curing period can be calculated according to the corresponding period when the daily average temperature reaches 600℃d, excluding the period below 00℃, and the curing period should not be less than 14d, but not more than 60d.

(3) When the temperature is low, appropriate heat preservation measures should be taken.

(4) Before the concrete strength reaches 1.2N/mm2, the formwork and support shall not be trampled or installed.

(5) When the average temperature of the day is lower than 50C, watering is not allowed.

(6) According to the national standard GBJ 107 Standard for Inspection and Evaluation of Concrete Strength, samples shall be taken for inspection. The tower can only be installed after reaching the standard.

10. Backfill: When backfilling, backfill with soft soil instead of stones around the angle steel of the grounding body to ensure good grounding resistance, and the backfill should be compacted. Generally speaking, it is recommended to return to the soil after the curing period. During the supervision of tower foundation construction, every working procedure should be carried out outside the site, and cameras should be equipped to take necessary photos or videos.

After the foundation work is completed, the construction unit and supervision unit shall conduct joint acceptance with the design unit, civil construction unit and tower construction unit. At the time of acceptance, the civil engineering unit shall submit the following technical data:

(1) design documents (including design change notice and material substitution certificate);

(2) Material quality certificate or material reinspection report;

(3) Take cover engineering visa records;

(4) the concrete compressive strength test report;

(5) Construction records of foundation concrete engineering; (material quality, cement, sand and gravel ratio, curing period, etc.). )

(6) civil foundation measurement records;

(7) The joint inspection and acceptance results of grounding resistance test records (generally grounding resistance should be < 5 Ω) should meet the design requirements and relevant national quality acceptance specifications such as Code for Acceptance of Construction Quality of Concrete Structure Engineering (GB50204-2002).

Third, the installation process of the iron tower

(1) When the tower leaves the factory, the manufacturer is required to provide the purchased steel:

1, steel product quality certificate or test report.

2, the tower factory product certificate.

3. Factory weighing records of each foundation tower. Check whether the actual weight is consistent with the design weight, so as to control the use of tower materials according to the design requirements, and avoid replacing large tower materials with small tower materials and thick tower materials with thin tower materials.

You can also refer to the design drawings to check the length, thickness and width of various tower materials, such as main limbs, transverse web members and inclined web members, to verify whether they meet the design. When necessary, the physical properties and chemical composition of the tower material can also be tested to check the quality of zinc plating and whether the components used are manganese steel and ordinary steel.

4. Before mass production, the tower must be set out for trial production according to the ratio of 1: 1, and mass production can only be carried out after assembly is qualified.

During the processing of iron tower, the welding quality and bolt holes should be checked. For example, before welding, the oil stain and rust on the weld, covered electrode and welding wire surface of components must be removed, the weld surface should be smooth without wrinkles, gaps and incomplete penetration, and the weld metal should be fine without cracks, slag inclusion and other defects. After welding, welding inspection must be carried out in accordance with national standards.

The weld inspection level is Grade II, and 20% ultrasonic flaw detection shall be carried out for important welds according to the requirements of Grade II weld. Weld length and height are full welds, unless otherwise specified in the drawings. You can also check whether the surface of galvanized layer is continuous, complete and smooth, without burrs, nodules, sharp points, residual zinc slag and zinc ash, and whether the thickness and uniformity of galvanized layer meet the design requirements; The number of bolt holes shall meet the requirements of design and specification. Through the above inspection, ensure that the quality of the tower meets the design requirements.

(2) Before the tower is installed, all components shall be inspected one by one, and whether the specifications, dimensions, quantity and appearance of the components conform to the design. In the process of tower installation, supervisors can inspect whether the tower materials are deformed, distorted, lost or missing, safe and civilized during transportation.

1, construction technology;

A, installing the tower foot;

B, stand up and pick up the pole;

C, hoisting the main material;

D, installing a first main material and a second side auxiliary material;

E, lifting two main materials on two adjacent sides;

F, installing two other auxiliary materials;

G, flapping boom (when the root is big, boom must be raised);

H, hoisting the cable-stayed advocate material;

First, after lifting the lifting arm, lift the lifting arm according to the above construction process;

J, platform installation;

K, put the boom construction is over;

2. Key points of construction technology: the built-in pull rod is used for hoisting, the main material is hoisted by single pole, and the auxiliary materials are hoisted by sections. When the upper part is light, it can be hoisted into pieces. The hanging pieces are hoisted from the tower, and the platform is hoisted from outside the tower.

(3) After the installation of the iron tower is completed, the process instrument can be tested. For example, use theodolite to check whether the vertical deviation of the front and side of the tower meets the index requirements (≤H/ 1500. H tower height, which is a very important index) Use a torque wrench to check whether the bolt fastening degree reaches the required level (m ≤16,70n/m; M > 16, 100N/M) Whether the bolt threads are exposed after fastening, and whether the copper bars of towers and feeder bridges are properly installed. Its construction specifications are as follows:

1, a safety meeting will be organized by the monitor to learn safety regulations and safety measures for specific projects, so that everyone can truly realize the importance of safety ideologically, truly consciously abide by the company's safety management system, enhance safety awareness and ensure safety in production.

2. After entering the site, observe and be familiar with the environment and topography of the construction site, measure the root opening, diagonal line and elevation of the foundation, and make records.

3. Before starting work every day, the monitor must explain the safety measures, tasks, clear command signals and check all instruments and tools according to the site environment and terrain.

4. After the material comes into play, organize unloading in time. It is forbidden to refuse materials at will. Pay attention to the protection of galvanized materials when unloading, and stack them neatly according to the specification order.

5, derrick connection must be upright, connecting bolts and double caps. When you stand up, you must have a clear division of labor and be coordinated. When the boom is at 70, stop grinding and adjust the cable wind. Cable wind control must be carried out by experienced personnel.

6. When hoisting the first member, the inclination angle should be not less than 45. If it can't meet the requirements, the rake position should be moved appropriately, and the weight of each hoisting component should not exceed 1 ton. If necessary, consideration should be given to using pulley blocks and reinforcing harrows.

7, lifting wire rope, cable wind rope must be kept eighty percent new, or timely replacement.

8. The effective lifting height of the boom must be strictly controlled within 3/5 of the total length shown in the boom.

9. When there is no cable wind on the boom, the inclination should be strictly controlled within 5, and the boom foot must be fixed at the position where the main material will not slip. The diameter of the fixed steel wire sleeve should be

10, a new white brown rope of Ф16mm must be used in the middle of the boom, and the force of each rope should be uniform.

1 1. At the beginning of lifting, ground commanders and aerial work commanders must pay close attention to the stress of the boom. After the boom is fully stressed and it is confirmed that there is no problem, it can continue to lift. During the lifting process, the components must be controlled in a balanced way to prevent being stopped by the tower. Aerial work personnel must stand in a safe place, not chatting or joking, and should always be vigilant until the components reach the installation height.

12. After the first main material is installed, both sides should be sealed before forking iron, and then the rest of the main material should be lifted by derrick. The diverting pulley must be suspended at the root of the boom by lifting wire rope to reduce the lateral force of the boom.

13, it is forbidden to throw things down when working high above the ground. Tools and bolts must be placed in special tool bags, and ropes must be used for up-and-down transmission. Do not throw them.

14, if there are small parts that are difficult to install at the moment, it is forbidden to hang them. The components must be put down and hung directly to prevent accidents when lifting and stepping on the tower. When a main component is missing, straddle mounting is prohibited.

15, it is strictly prohibited to carry out hoisting and aerial work in bad weather such as rain, snow, dense fog, tower icing, high temperature at noon or gale above magnitude 6.

16, aerial work commanders should always supervise the safety of other aerial work personnel and check them regularly to remind everyone to use safety belts correctly, take care of each other and help each other. When you encounter problems, you should treat them calmly and avoid reckless risks. Without reliable measures, they would rather stop work and ask the company leaders for instructions.

Within the radius of 17 and 15 meters, it is forbidden for people who don't wear safety helmets or idle people to enter, so as to minimize double-deck operations. Ground operators should actively cooperate with aerial workers and send signals to respond in time.

18, every time 1~2 section is installed, the verticality must be measured and adjusted before installation.

19, grinder drivers should always check and maintain the grinder braking system, gear box, etc. Without the signal command of grinder, it shall not be lifted or loosened. Loose tail rope is strictly prohibited in loose grinding. When lifting, pay attention to whether the steering pulley will fall off or get stuck, and check whether the grinding is fixed firmly. If there is any problem, report it to the commander in time and reinforce it in time.

20. After the installation of the whole tower is completed, adjust the verticality to the best state, and tighten the bolts of the whole tower to hoist the platform. After the completion of the whole tower, the verticality is adjusted to the best state. ( 1/2000)

2 1, pay attention to the safe use of electricity, it is forbidden to connect the electricity for welding to the lighting or elevator power supply, and there must be a leakage protection device on site.

22, always protect the construction site clean and orderly, every day after work, the site must be cleared, and all kinds of instruments are in good condition.

23, found the accident hidden danger or hidden danger, should promptly report to the monitor, discuss countermeasures in time. Take effective measures to ensure safety, report accidents to the company quickly, and take effective measures to organize rescue and deal with on-site problems.

24. Obey the supervision and guidance of mobile companies, factories and workers, respect their suggestions and explain patiently when arguing with us. It is forbidden to ignore or leave the scene without reason.

25, must do a good job diary every day, for some special cases in the construction of processing errors, work progress and the scope of responsibility of aerial work personnel to do a detailed record.

26. After the completion of a single project, the monitor must personally go to the tower for inspection, and the ground crew will promptly clean up the garbage in the tower turnover circle and residence, and settle all expenses. Please sign the construction sheet before it appears.

Four, the tower project completion and acceptance of the required information

After the tower is installed, the contractor may apply for completion acceptance on the basis of the contractor's self-inspection. After receiving the inspection form. The supervision engineer shall organize the construction unit and the contractor to carry out the completion acceptance.

(a) before the acceptance, the contractor shall submit the following information:

1, engineering specification;

2, engineering design unit qualification certificate;

3, tower processing and production license (qualification certificate);

4, tower production factory certificate;

5. Material inspection report of main tower materials and connectors (factory certificate and re-inspection report);

6, tower process inspection report (galvanized, welded, covered electrode);

7, special type of work operation certificate;

8, tower trial assembly records;

9, installation project commencement report;

10, white inspection report for tower installation;

1 1, tower installation quality inspection records;

12, summary of tower installation works;

13, notice of completion acceptance;

14, engineering design change notice;

15, major quality accident report;

16, as-built drawing (complete set);

L7。 Acceptance certificate (handover certificate)

The iron tower project belongs to the supporting project in the whole communication project, so the data arrangement can be carried out according to the supporting part of the whole project or as a unit project.

(2) Accept

1, acceptance basis

Acceptance of the iron tower The acceptance of the iron tower itself is mainly based on the Code for Construction and Acceptance of Tower Mast Structure (CEC S80: 96), Code for Construction and Acceptance of Installation of Microwave Relay Communication Equipment (YD20 12-94) and the requirements of construction drawings. See the tower installation quality inspection record for details. The acceptance of the tower includes two parts: qualified data and qualified installation of the tower itself. Only two parts meet the requirements. Lightning protection measures for towers should be perfect lightning protection devices to prevent direct lightning and secondary induction lightning. The introduction of lightning protection zone must comply with the design and relevant specifications. Generally, two lightning rods are led from the top of the tower and welded with the tower body, and reliable rust removal and corrosion protection measures should be taken at the welding place.

2, the acceptance method

Generally, there are 2 ~ 4 obstacle lights at the top of communication tower, and the red color is100W. It is also necessary to deal with the quality control points during the warranty period of the tower installation project according to the regulations of the Ministry of National Defense and the Civil Aviation Administration. The warranty period for tower installation is generally one year. During the warranty period, the supervisor shall regularly observe the tower (generally not less than once a year), and in case of special circumstances (in case of gale of magnitude 8 or above; When the intensity is greater than or equal to 6 degrees); The inspection contents include: first, check whether the tower body is deformed or inclined; Second, whether the component has obvious deformation and missing parts; Third, whether the bolt is loose; Especially the anchor bolts; Fourth, whether the foundation has uneven settlement; Fifth, anti-corrosion treatment of welding; Sixth, retest the lightning protection system. After the tower is installed for one year, the verticality of the tower should be rechecked and corrected. After acceptance, the tower installation contractor shall first coat the exposed anchor bolts with anti-corrosion materials (butter), encapsulate them with oilseed asphalt, and then pour fine stone concrete to prevent the anchor bolts from rusting.