What is the prohibition of three calculations, four measurements and five measurements in the State Grid?

One, three calculations

(a) The residence time must be checked by calculation.

1. The preparation and approval procedures shall be strictly followed for the construction scheme involving stay wires. Among them, the general construction scheme is calculated and compiled by the technical personnel of the construction project department, reviewed by the chief engineer of the construction project department and approved by the chief engineer of the supervision project department. The special construction scheme is calculated and compiled by the chief project engineer of the construction project department and the technical personnel of ZuoYeDui. After being approved by the technical director of the construction enterprise, the owner's project manager will report it to the chief supervision engineer of the supervision project department for approval. (The special scheme needs the approval of the owner's project manager, which is inconsistent with the standardized manual, and the corresponding application form needs to be revised. )

2. Whether the stay wire is used in the construction operation is determined by the planner of the construction project department according to the actual situation and regulations;

3. The planner of the construction project department should choose the corresponding safety factor to calculate according to the stress of the stay wire, and determine the specifications considering the safety factor of the wire rope, leaving enough margin;

4. The calculation, arrangement and requirements of stay wires shall be stipulated in the construction scheme by the scheme preparers of the construction project department. Each calculation sheet shall be signed by the calculator (the calculator related to the scheme preparation) and the approver (the organizer of the scheme preparation). (The content of "If it is not in conformity with the original scheme, supplementary calculation should be made according to the actual situation on site, and corresponding procedures should be performed" has been deleted here. )

(2) The ground anchor must be checked by calculation.

1. For the construction scheme involving ground anchors, the preparation and approval procedures shall be strictly implemented. Strictly carry out the editing procedures. Among them, the general construction scheme is calculated and compiled by the technical personnel of the construction project department, reviewed by the chief engineer of the construction project department and reported to the chief supervision engineer of the supervision project department for approval. The special construction scheme is calculated and compiled by the chief engineer of the construction project department and the technical personnel of the construction operation layer. After being reviewed by the technical director of the construction enterprise, the owner's project manager reports it to the chief supervision engineer of the supervision project department for approval.

2. The number and mode of ground anchors shall be calculated and determined by the planner of the construction project department according to the actual situation and regulations;

3. The planners of the construction project department should first determine the bearing capacity according to the stress situation, and then calculate the specific embedding requirements of the ground anchor according to the anchor type and soil quality, after considering the necessary safety factor;

4. The calculation, arrangement and embedding requirements of the ground anchor shall be specified by the project planner of the construction project department in the construction plan. Each calculation sheet shall be signed by the calculator (the calculator related to the scheme preparation) and the approver (the organizer of the scheme preparation).

(3) The working safety distance near the charged body must be checked by calculation.

1. For the construction scheme involving adjacent electrified bodies, the preparation and approval procedures shall be strictly implemented. Among them, the general construction scheme is calculated and compiled by the technical personnel of the construction project department, reviewed by the chief engineer of the construction project department and reported to the chief supervision engineer of the supervision project department for approval. The special construction scheme is calculated and compiled by the chief engineer of the construction project department and the technical personnel of the construction operation layer. After being reviewed by the technical director of the construction enterprise, the owner's project manager reports it to the chief supervision engineer of the supervision project department for approval.

2. Whether there is any operation near the charged body in the construction operation shall be clearly defined in the risk list by the scheme preparer of the construction project department, and the examination and approval procedures shall be performed;

3. The project planner of the construction project department should check the safe distance near the live body operation and conduct a comprehensive inspection of personnel, machines, tools and components. According to the requirements of the safe distance of living body, the factors such as deformation, disability and instability are considered as the possible safe distance during construction. , and leave the necessary margin after calculation;

4. The calculation of the operation safety distance near the charged body and the requirements of the operation safety measures shall be stipulated by the scheme preparers of the construction project department in the construction scheme. Each calculation sheet shall be signed by the calculator (the calculator related to the scheme preparation) and the approver (the organizer of the scheme preparation).

Two or four tests

(a) The cable must pass the acceptance before it is put into use.

1. The construction unit and the construction project department shall establish a machine management ledger, and the safety officer of the construction project department shall organize regular maintenance and annual inspection of the wire rope used by them, and the professional supervision engineer shall organize the pre-admission review of the wire rope planned to be put into use; (The safety officer is responsible for organizing the maintenance of wire rope, and his responsibilities are misplaced. The safety officer is responsible for supervising and inspecting the implementation of safety management and measures. This should be the responsibility of the warehouse manager and the stationmaster of the material station. )

2. Before the stay wire enters the operating point, the team leader and team technician of the construction operation layer shall check the specification, quantity and appearance of the stay wire according to the requirements of the construction technical scheme, and the professional supervision engineer shall conduct re-inspection.

3. Before the stay wire is put into use, the team leader, team safety officer and team technician of the construction operation layer shall, in accordance with the requirements of the construction technical scheme, check whether the angle between the stay wire and the ground, the configuration specification and quantity of the saddle screw match the wire rope and the installation method, and the safety supervision engineer or supervisor shall conduct re-inspection.

4. During the construction operation, the team safety officer and team technician of the construction operation layer shall continuously monitor the stay wire state according to the requirements of the construction technical scheme, and the safety supervision engineer or supervisor shall patrol the operation process and stay wire state.

5. If the above-mentioned links fail to pass the acceptance, no subsequent operation shall be carried out.

(2) The ground anchor must pass the acceptance before it can be put into use.

1. The construction unit and the construction project department shall establish a machine management ledger, and the safety officer of the construction project department shall organize regular maintenance and self-inspection of the ground anchor used, and the professional supervision engineer shall organize a pre-entry review of the ground anchor planned to be put into use;

2. Before the ground anchor enters the operating point, the team leader, team safety officer and team technician of the construction operation layer shall check the specifications, quantity and appearance of the ground anchor according to the requirements of the construction technical scheme, and the professional supervision engineer or supervisor shall conduct re-inspection.

3. During the construction of the ground anchor, the team leader, team safety officer and team technician of the construction operation layer shall check and accept the concealed works, and the professional supervision engineer shall conduct re-inspection.

Interpretation of New Knowledge Talents 202 1 Edition Three Calculations, Four Tests and Five Prohibitions.

4. After the ground anchor is buried, before it is put into use, the team leader and team safety officer of the construction operation layer shall conduct acceptance according to the requirements of the construction plan and specifications, and be listed for publicity after re-inspection by the safety supervision engineer;

5. During the construction operation, the team technicians and team safety officers of the construction operation layer shall continuously monitor the state of the ground anchor according to the requirements of the construction technical scheme, and the safety supervision engineer or supervisor shall patrol the operation process and the state of the ground anchor.

6. If the above-mentioned links fail to pass the acceptance, no subsequent operation shall be carried out.

(three) the ropeway must pass the acceptance before it can be put into use.

1. The construction unit and the construction project department shall establish machine management ledgers, and the safety personnel of the construction project department shall organize regular maintenance and self-inspection of the ropeway used, and the professional supervision engineer shall organize pre-admission review of the ropeway planned to be put into use;

2. The cableway construction scheme is calculated and compiled by the chief project engineer of the construction project department and the technical personnel of the construction operation layer. After being approved by the technical director of the construction enterprise, the owner's project manager reports it to the chief supervision engineer of the supervision project department for examination and approval; The corresponding calculation sheet shall be signed by the calculator (the calculator related to the scheme preparation) and the approver (the organizer of the scheme preparation). (According to the corresponding calculation book, this piece should be included in three calculations, i.e. the stress on the cableway saddle, sports car, etc. It should be included in three calculations, but later it was changed to four calculations, and the formula was not good to listen to. )

3. Before the ropeway erection is put into use, the team leader, team technician and team safety officer of the construction operation layer shall conduct acceptance according to the requirements of the construction plan and regulations, and the safety supervision engineer shall conduct re-inspection. Only after passing the safety special inspection of the owner's project department can it be listed for publicity;

4. During the construction operation, the team safety officer and team technician of the construction operation layer shall continuously monitor the operation state of the ropeway according to the requirements of the construction technical scheme, and the safety supervision engineer or supervisor shall patrol the operation process and the ropeway state.

5. If the above-mentioned links fail to pass the acceptance, no subsequent operation shall be carried out.

(4) The anchor bolts must pass the acceptance before the tower assembly line operation can be carried out.

1. Before the anchor bolts enter the site, the professional supervision engineer shall strictly implement the Measures for the Whole Process Control of the Anchor Bolts in Transmission Line Engineering (Trial) (State Grid Infrastructure [2018] No.387) and organize the acceptance of the anchor bolts;

2. Before the acceptance of the tower, the technical personnel of the construction team shall be responsible for self-inspection, and the person in charge of the construction team shall confirm it. Before the tower is assembled, the quality inspector of the construction project department, the professional supervision engineer of the supervision project department and the quality task of the owner's project department shall check the matching of the bolts, nuts and pads of the anchor bolts;

3. After the installation of the tower baseboard is completed, the team technicians of the construction operation layer shall check and mark the installation and anti-unloading of the anchor bolts, and the safety supervision engineer or supervisor shall review them.

4. In the process of tower line assembly operation, before each operation, the team technician of the construction operation layer should check the installation and unloading prevention of the anchor bolts, and the safety supervision engineer or supervisor should review the anchor bolts one by one.

5. Before stringing, the shift technician of the construction operation layer is responsible for completing the self-inspection, and the shift leader of the construction operation layer confirms it. During the acceptance, the quality inspector of the construction project department, the professional supervision engineer of the supervision project department and the quality supervision of the owner's project department should check whether the two nuts, pad iron and tower foot plate are tightened;

6. If the above-mentioned links fail to pass the acceptance, no subsequent operation shall be carried out.

Three. V. Prohibition

(a) under the condition of limited space, it is strictly prohibited not to meet the requirements of ventilation and protection.

1. The shift technician of the construction operation layer suggested that the technician of the construction project department should report it to the chief engineer of the construction project department after re-inspection, so as to clarify the operation scope of confined space in the risk list and avoid the omission of confined space operation;

2. When working in a limited space (including but not limited to line foundation pit, cable trench, transformer body, etc.). ), the head of the construction team is responsible for collecting ventilation testing equipment. Before the operation, the technician on duty at the construction operation layer shall make disclosure, and the safety officer on duty at the construction operation layer shall organize the workers to ventilate before testing, so as to ensure that the gas content in the limited space before the operation meets the operation requirements; During the operation, the shift safety officer of the construction operation layer shall supervise the workers to conduct ventilation and testing at required intervals. Safety supervision engineer or supervisor shall conduct on-site supervision and control.

3. Manual excavation of foundation and dig-hole piles, and the person in charge of the construction team is responsible for obtaining the comprehensive device for deep foundation pit operation. Before operation, the technicians on duty in the construction operation layer shall make disclosure, and the safety officer on duty in the construction operation layer shall organize the operators to operate the equipment correctly; During the operation, the team safety officer of the construction operation layer organizes the site to use the integrated device to carry out deep foundation pit operation from the beginning of hole formation to the completion of foundation concrete pouring. Safety supervision engineer or supervisor shall conduct on-site supervision and control.

4. For rock foundation blasting operation, carbon dioxide fracturing method should be adopted in the "compulsory application area and popularization application area" defined by the company, and other areas should be actively popularized. Before the operation, the technicians on duty at the construction operation layer shall make safety disclosure to relevant personnel, and the safety officer at the construction operation layer shall organize the operators to correctly assemble the fracturing pipe, inflate and seal the hole; After fracturing is completed, the team leader of the construction operation layer uses special air supply equipment to ventilate the hole and uses a gas detector to detect the gas content in the pit. Only after passing the test can the pit be cleaned. Safety supervision engineer or supervisor shall conduct on-site supervision and whole-process inspection.

(2) It is forbidden not to use climbing self-locking device and automatic speed difference controller for aerial work such as assembling tower lines.

1. Before climbing self-locking device and speed difference automatic controller, the safety officer of construction project department and professional supervision engineer shall organize inspection and acceptance;

2. The person in charge of the construction ZuoYeDui is responsible for providing climbing self-locking device and speed difference automatic controller (or safety rope) for the aerial workers of the tower line, and the safety officer, safety supervision engineer or supervisor of the construction ZuoYeDui shall be present for supervision;

3. The team safety officer of the construction operation layer checks whether the aerial workers on the tower line correctly use the climbing self-locking device, and the safety supervision engineer or supervisor supervises the whole operation process;

4. The safety officer on duty in the construction operation layer should correctly use the differential automatic controller (or safety rope) to check the aerial work of the tower line, and the safety supervision engineer or supervisor should supervise the whole process.

(three) it is forbidden not to wear life-saving equipment when working on board or on water.

1. Before boarding the ship and working on the water, the technical staff of the construction team proposed that after the technical staff of the construction project department rechecked, the scheme preparer of the construction project department should specify the measures in the construction technical scheme and make disclosure to the construction team.

2. To rent ships or other equipment for water operation or transportation, the project manager of the construction project department shall sign the lease contract and safety agreement.

3. The safety tools such as ship excavation equipment and life jackets rented for water operation or transportation shall be regularly maintained and self-checked by the safety officer of the construction project department, and the professional supervision engineer shall organize the pre-admission review;

4. Before water operation and boarding, the person in charge of the construction team shall organize safety disclosure for relevant personnel, and give instructions for starting and sailing to prevent the ship from being overloaded, overloaded, windy, foggy, snowy and other bad weather for water operation or transportation; The safety officer of the construction project department shall check the standard wearing conditions of life jackets for the personnel on the water and on board; Safety supervision engineer or supervisor shall conduct on-site supervision and control.

5. When working on water and taking a boat, the safety officer of the construction project department should supervise the personnel working on water and taking a boat to wear life jackets, and supervise that the boat is not allowed to drift.

6. After the completion of the water operation and ship taking, the team leader of the construction operation layer shall call the water operation and ship taking, which shall be reviewed by the safety officer of the construction project department and confirmed by the safety supervision engineer or supervisor.

(4) Tightly break the wire and translate the conductor, and it is strictly forbidden not to alternately translate the sub-conductor.

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2. Before taking out stitches and hanging up stitches, the technical personnel of the construction operation layer shall make disclosure, and the person in charge of the construction operation layer shall organize workers to conduct wiring according to the requirements of the Measures. Technicians and safety personnel at the construction operation layer shall check the stay according to the construction scheme, and safety supervision engineers or supervisors shall conduct on-site supervision;

3. The person in charge on duty in the construction operation layer of the tight broken line translation conductor hanging line should guide the workers to alternately translate the sub-conductors to avoid the unilateral stress instability of the tower;

4. In the process of translating the deputy commander, the team safety officer and team technician of the construction operation layer conduct the whole process inspection on the workers, and the safety supervision engineer or supervisor conducts the whole process supervision on the operation.

(five) prohibit the erection of pole and tower.

1. The construction unit and the construction project department establish machine management ledger, and the safety personnel of the construction project department organize regular maintenance and self-inspection of the used poles and stay wires, and professional supervision engineers organize pre-admission review of the poles and stay wires planned to be put into use;

2. The assembly of internal suspension and external cable pole, aluminum alloy small pole and common landing pole shall be calculated and compiled by the technical personnel of the construction project department (the selection of pole shall be calculated and determined by the construction scheme compilers according to the actual situation and regulations, and clearly defined in the construction scheme), which shall be reviewed by the chief project engineer of the construction project department and reported to the chief supervision engineer of the supervision project department for approval.

3. It is used to erect ground poles (including double-arm landing poles, rocker poles, etc.). ) and the internal suspension of the internal stay wire, the chief engineer of the construction project department will organize the technical personnel of the construction project department and the technical personnel of the construction operation team to calculate and prepare a special construction technical scheme (the selection of the holding rod will be calculated and determined by the construction scheme preparer according to the actual situation and regulations, and will be clearly defined in the construction scheme; The erection of internal suspension and internal stay wire holding device should be equipped with holding force monitoring device, which can remotely monitor the stress, inclination data, abnormal working conditions and working conditions of main components of the holding device online), and after being approved by the technical director of the construction enterprise, it should be reported to the chief supervision engineer of the supervision project department for review, approved by the owner's project manager, and the chief project engineer of the construction project department should make disclosure to the operation team;

4. For the assembly of the holding pole with a length of more than 30 meters, the flip-chip method should be used for butt assembly for many times.

5. Before assembling the pole, the team technician of the construction operation layer shall make disclosure; During the erection process, the team safety officer and team technician of the construction operation layer shall inspect the whole process of the operation personnel, and the safety supervision engineer or supervisor shall supervise the whole process of the operation.

Legal basis:

Regulations of China State Grid Corporation on Safety, Health and Environment Management of Electric Power Construction

Tenth hydropower construction enterprises safety construction objectives;

1, no serious personal injury or death accident;

2, no major construction machinery and equipment damage accidents;

3. No major fire accident;

4. No major traffic accidents;

5, no major environmental pollution accidents and major collapse (collapse) accidents.

Eleventh thermal power, power transmission and transformation construction enterprises to implement three-level control objectives for safe construction:

1, if the enterprise controls personal injury accidents, and there are no personal deaths and major construction machinery and equipment, fires and traffic accidents, it will be mainly responsible;

2, professional site control personal injury accidents and major attempted accidents, no personal injury accidents and general machinery, equipment, fire, traffic accidents;

3. The team controls the attempted accident and records the accident, without personal injury and other general accidents.