What are the important test points of the construction practice examination for the second level constructor in 2021?


1、 The division of fire work grade in the construction site, all the fire work under one of the following conditions are grade I: 1

.

2

.

Oil tanks, oil tanks, oil tankers, containers used to store flammable gases and liquids, and auxiliary equipment connected with them

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3

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All kinds of pressure equipment

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4

.

Climbing welding and cutting operation with high risk

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5

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Relatively sealed indoor, container, basement and other places

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6

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The place where a large number of combustible and inflammable substances are piled on site (the warehouse where timber is piled)

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All the fire work under one of the following conditions is grade II fire work: 1

.

Carry out temporary welding, cutting and other fire work in the non fire forbidden area with certain risk factors

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2

.

Small oil tank and other containers

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3

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Climbing, welding, cutting and other fire operations

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Fire work in non fixed places without obvious risk factors belongs to class III fire work

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The project leader shall organize the preparation of fire safety technical scheme for level I hot work, fill in the application form for hot work, and report to the safety management department of the enterprise for examination and approval before hot work

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2

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For level II hot work, the responsible engineer of the project shall organize the formulation of fire safety technical measures, fill in the hot work application form, and report to the project safety management department and the project leader for review and approval before hot work

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3

.

For level III hot work, the team shall fill in the application form for hot work, and the hot work can be started only after the review and approval of the project responsible engineer and the project safety management department

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4

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The hot work permit is valid on the same day

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If the hot work location changes, it is necessary to go through the hot work approval procedures again

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3

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The placement of fire extinguisher on the construction site 1

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The fire extinguisher should be placed in an obvious and convenient place, and it should not affect the safe evacuation

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2

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The fire extinguisher should be placed firmly, and its name plate must face outward

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3

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The portable fire extinguisher should be hung by hook, or placed on the bracket, fire box, or directly on the dry indoor ground

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The height of the top from the ground should be less than 1.5m, and the height of the bottom from the ground should be more than 0.15m

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4

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The fire extinguisher should not be placed in humid or highly corrosive places

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When it must be placed, corresponding protection measures should be taken

.

5

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The fire extinguisher placed outdoors shall be protected accordingly

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IV

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management of temporary power utilization on construction site: if there are 5 or more temporary power utilization equipment on construction site or the total capacity of equipment is 50KW or above, power utilization organization design shall be prepared; otherwise, safe power utilization and electrical fire prevention measures shall be formulated

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The organization design of temporary power utilization shall be organized and compiled by electrical engineering technicians, and implemented after being reviewed by relevant departments and approved by the technical director of the enterprise with legal personality

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Before use, it must be checked and accepted by the Department of preparation, examination and approval and the user, and can be put into use only after it is qualified

.

5

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Management of temporary water on construction site 1

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Temporary water on construction site includes production water, machinery water, domestic water and fire water

.

2

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Fire fighting water generally uses the permanent fire fighting facilities of cities or construction units

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If self-designed, the diameter of the main fire pipe should not be less than 100 mm, there should be obvious signs at the fire hydrant day and night, equipped with enough water hose, and no goods should be stored within 3 m around

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3

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Temporary fire-fighting vertical pipe shall be installed for the construction project with height more than 24m, and the pipe diameter shall not be less than 75mm

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It is strictly forbidden to use the fire-fighting vertical pipe as the construction water line

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Each floor must be equipped with fire hydrant and sufficient water hose

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4

.

Fire water supply should ensure sufficient water source and water pressure

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The fire pump shall use special power distribution line to ensure fire water supply

.

Vi

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basic requirements for the use of safety warning signs on the construction site when multiple safety warning signs are arranged together, they shall be arranged in the order of warning, prohibition, instruction and prompt type, from left to right, from top to bottom

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The distance between the signs shall be at least 0.2 times the size of the sign..

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