JGJ / t231-2021 safety technical standard for socket and turnbuckle steel pipe scaffold in building construction


Civilized nursing examination    6.1 during the 5 days before and during the college entrance examination and high school entrance examination, except for emergency repair and rescue, night construction is prohibited in the whole city

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The material should be metal

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Dust control    4.1 on line dust monitoring system shall be installed on the construction site as required

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   2、 Implementation time   ( 1) After October 1, 2019, the newly started housing construction projects within the scope of implementation must comprehensively improve the level of civilized construction in accordance with the requirements of the improvement standard

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For construction projects not implemented in accordance with the improvement standard within the scope of implementation, the safety production standardization evaluation will not be rated as “excellent”, and the qualification of civilized construction site will be cancelled

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   4.2 the construction units should install spray dust suppression devices on the walls, and automatically turn on when the air pollution warning is started or easy to dust

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Waste classification    7.1 the office area and living area shall do a good job in waste classification, set up recyclable, hazardous waste, wet waste and dry waste collection containers respectively for putting in, give clear guidance, and be managed by a specially assigned person

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Construction protection settings    2.1 for external fire-retardant dense mesh safety net, the duration of continuous combustion and smoldering shall not be greater than 4S, the mesh aperture shall not be greater than 12mm, and the color shall be gray

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   5

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Construction notice    5.1 the construction permit and night construction permit shall be posted at eye-catching positions such as the gate and fence of the construction site

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   1.2 the construction site shall be provided with a fully enclosed, light structure and removable turnover fence

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The color of the foundation is dark blue, and the total height shall not be less than 2.0m

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   3、 Job requirements   ( 1) Implement the main responsibility

. Halfen Frimeda

JGJ / t231-2021 safety technical standard for socket and turnbuckle steel pipe scaffold in Construction recently, the Ministry of housing and urban rural development issued the industrial standard JGJ / t231-2021 safety technical standard for socket and turnbuckle steel pipe scaffold in construction, which will be implemented from October 1, 2021

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The lamp holder shall be made of shaped metal materials, which is convenient for disassembly and assembly.

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   4

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Noise control    3.1 the operation equipment prone to noise shall be placed at the side away from the residential area in the construction site and operated in the temporary house and shed with sound insulation function

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For new construction projects within the implementation scope, they shall formulate and improve the civilized construction system, implement the civilized construction manager, and carry out construction activities in accordance with the promotion standards

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Standardized protective nets shall be used at the edge of large bay floor, the edge of foundation pit, the edge of large opening exceeding 4m, stair handrail, elevator wellhead protective door, construction elevator protective door, etc., which shall be fixed safely and reliably

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   7

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   3.3 during the demolition of concrete components, foundation pit concrete support and other operations of the construction project, low noise and low dust facilities and equipment such as concrete static cutting shall be used

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The color of the foundation of the fence is white, and a 0.2m skirting line shall be set at the bottom

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   6

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The formwork support and double row scaffold with a height of more than 24m shall be designed and calculated according to the provisions of this specification, and a special construction scheme shall be prepared

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  ( 2) Housing construction projects applying for the establishment of municipal civilized construction sites in 2019 shall comprehensively improve the level of civilized construction in accordance with the requirements of the improvement standard

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   6.2 during the college entrance examination and high school entrance examination, all construction operations are prohibited within 100m around the examination room all day

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The following is based on the demonstration video of Shanghai Construction Engineering Group for socket and turnbuckle steel pipe scaffold to learn the process principle and construction process********************** According to the notice of Shanghai Municipal Commission of housing and urban rural development on printing and distributing the promotion standard for civilized construction of housing construction projects, in order to meet the requirements of “construction standardization, finalization and standardization of construction protective equipment”, from October 1, 2019, For the housing construction projects with an area of 10000 square meters and above within the outer ring road of Shanghai, socket and turnbuckle steel pipe scaffolds are fully adopted

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   3.2 if the distance between the construction site and the residential area is less than 10m, measures such as setting sound barrier or mobile sound insulation device shall be taken

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48 of Shanghai municipal government) and the code for civilized construction (dgj08-2102), The promotion standard for civilized construction of housing construction engineering (hereinafter referred to as the promotion standard) is hereby formulated, which shall be followed:    1、 Implementation scope   ( 1) Housing construction projects of 10000 square meters and above within the outer ring road;   ( 2) Apply for building construction projects to create municipal civilized construction sites;   ( 3) The construction site is within 15m away from sensitive buildings such as houses, hospitals and schools

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This means that in the future large-scale construction projects in Shanghai, the “traditional steel pipe scaffold” will basically withdraw from the historical stage《 According to jgj231-2010, when the height of the socket type steel pipe double row scaffold is less than 24m, it can be erected directly according to the structural requirements of this specification

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It is strictly prohibited to use tamping hammer, pickaxe machinery, blasting and other measures for demolition

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The deep foundation pit shall be provided with standardized up and down operation ladders and cages

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   1.4 the enterprise logo and all kinds of publicity shall be painted and painted

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   4.4 mobile dust suppression devices shall be set nearby when concrete component removal, earth excavation and other operations prone to dust are carried out on site

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  ( 2) Strengthen supervision and inspection

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In addition, according to reliable internal information, Shanghai is expected to adopt turnbuckle scaffold in the whole city in 2021

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   2.2 the construction unit shall ensure that the safety net is clean and undamaged, regularly inspect, clean and repair the safety net, and establish a special file for safety net cleaning

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348) release time: June 18, 2019 all relevant units:    In order to further implement the work requirements of the municipal Party committee and the municipal government, aiming at building a “first-class city”, improve the civilized construction standards of construction projects in Shanghai and enhance the image of project construction, on the basis of implementing the regulations of Shanghai Municipality on the management of civilized construction (Order No

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   2

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Construction enterprises shall fully publicize and implement the current standards and the promotion standards according to the promotion steps

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Construction boundary setting    1.1 access doors for vehicles and personnel shall be set at the construction site, and the width of vehicle access door shall not be less than 5m

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   4.3 for the exposed ground on the construction site, the construction unit shall timely take simple greening, dust net, dust film and other full coverage measures

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The announcement is as follows: in recent years, many local housing and construction departments have explicitly required the use of turnbuckle steel pipe scaffold

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   1.3 if the facade of the construction project is close to the sidewalk or driveway, the construction unit shall set up a protective shed, apply yellow and black warning paint on the rods, and set up necessary warning and guidance signs

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This new scaffold has many advantages over traditional scaffold

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   3

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Chapter II   Construction protection facilities shall be instrumented, finalized and standardized    1

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The administrative departments and supervision institutions of urban construction shall strengthen the promotion of publicity and implementation, and take the improvement of quality and standard as the key content in the daily supervision, sampling inspection and complaint handling

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Notice of Shanghai Municipal Commission of housing and urban rural development] on printing and distributing the standards for the promotion of civilized construction of housing construction projects (hjza [2019] No

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It is strictly prohibited to hang advertisements and slogans on the top of the structure, tower crane body and balance arm, external scaffold and enclosure

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   Annex: standards for civilized construction of housing construction projects   Shanghai Municipal Commission of housing and urban rural development June 12, 2019    enclosure:   Promotion standard of civilized construction of housing construction engineering   Chapter I   Field appearance    1

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