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JGJ80-1991: Technical code for safety of high altitude operation of building construction Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Obsolete JGJ80: Historical versions
JGJ 80-1991: Technical code for safety of high altitude operation of building construction---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/JGJ80-1991JGJ NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Technical Code for Safety of High Altitude Operation of Building Construction Issued on: JANUARY 08, 1992 Implemented on: AUGUST 1, 1992 Issued by. Ministry of Construction of the People’s Republic of China Notice on Promulgation of Professional Standard "Technical Code for Safety of High Altitude Operation of Building Construction" JIANBIAO [1992] NO.5 In accordance with requirements of Document CHENGKEZI [86] No.263 issued by Former Ministry of Urban and Rural Construction and Environmental Protection, "Technical Code for Safety of High Altitude Operation of Building Construction" developed by Shanghai Building Construction Technical Research Institute has passed the examination, and is approved as an Professional Standard. the standard number is JGJ 80-91, and the standard is executed on August 1, 1992. This standard is governed by Ministry of Construction safety standards technique safety standards technique governing organization- China Construction First Building Group Building Research Institute, and explained by Shanghai Building Construction Technical Research Institute. Research institute of Standards & Norms presides over publishing. Ministry of Construction of the People's Republic of China August 1, 1992 Table of ContentsI GENERAL PROVISION... 4 II GENERAL RULES... 4 III SAFETY PROTECTION FOR EDGE-NEAR AND OPENING OPERATION... 6 3.1 EDGE-NEAR OPERATION... 6 3.2 OPENING OPERATION... 8 IV SAFETY PROTECTION FOR CLIMBING AND HANGING OPERATION... 9 4.1 CLIMBING OPERATION... 9 4.2 HANGING OPERATION... 11 V OPERATING PLATFORM AND SAFETY PROTECTION OF CROSS OPERATION ... 13 5.1.OPERATING PLATFORM... 13 5.2 CROSS OPERATION... 15 VI CHECK AND RECEIVE OF SAFETY PROTECTION FACILITIES FOR WORKING AT HEIGHT... 15 ANNEX 1 TERM EXPLANATION... 17 ANNEX 2 EDGE-NEARING OPERATION GUARD RAIL CALCULATION AND STRUCTURE EXAMPLE... 17 ANNEX 3 OPENING OPERATION SAFETY DEVICES SAMPLE... 21 ANNEX 4 CLIMBING OPERATION SAFETY DEVICE SAMPLE... 24 ANNEX 5 CALCULATION AND STRUCTURE SAMPLE OF OPERATING PLATFORM... 27 ANNEX 6 CROSS OPERATION PASSAGE SHIELD EXAMPLE... 34 ANNEX 7 WORDING EXPLANATION... 35 ADDITIONAL INFORMATION... 36 Technical Code for Safety of High Altitude Operation of Building Construction I General Provision 1.0.1 The standard is established for implementing the guideline of safety production in high altitude operation during building construction, and for realizing definite safety requirement, reasonable technique and economic applicability. 1.0.2 The standard is applicable to high altitude operations such as edge-near, hole, climbing, hanging, operating platform and cross operations during the industrial and civil building construction, and normal structures construction. The standard is also applicable to others engineering construction needing high altitude operations on all classes of hole, excavation, gutter, tank and so on. 1.0.3 So called high altitude operation in this standard should meet specifications "do operation on the position where is 2 m (including 2 m)above the falling height base level and it has falling possibility" specified by national standard "Classification of Works at Heights" GB 3608-83. 1.0.4 High altitude operation should meet specifications related to relative national high altitude operation and safety technique standard, besides this standard. II General Rules 2.0.1 Technical safety measures and required materials and tools shall be listed in the organization design of the engineering construction. 2.0.2 The a person in charge of the construction should preside over safety techniques for high altitude operation in the engineering, and the corresponding responsibility system should be established. Gradual safety technique education and disclosure should be carried out before the construction, and all technical safety measures process ands personnel protection items should be put into effect. The construction shall not be processed without full implementation. 2.0.3 Safety marks, tools, instruments, electric utility and all sorts of implements shall be inspected, and they could be used after their sound condition is confirmed. III Safety Protection for Edge-near and Opening Operation 3.1 Edge-near Operation 3.1.1 Protective measures should be taken for edge-near high altitude operation, and should correspond with following specifications. 1 Guard rails should be emplaced at foundation trench periphery, at verandas that are not emplaced with handrail or fence, material platform and raising platform periphery, at non-external-falsework roofing and floor periphery and at water tank and water tower periphery. 2.Safety protection net should be erected at the periphery of which second floor that its first floor wall height exceed 3.2 m and at periphery which floor height exceed 3.2 m without falsework. 3.Temporary guardrails should be emplaced for staircase heads staircase side in flooring construction. Staircase head at top floor should be emplaced formal guard rails with engineering structure process. 4.Guardrails should be emplaced on passages between headframe and construction elevator, and falsework and building. Safety protection shed should be emplaced at upper position of ground passage. the middle of double-cage headframe passage should be separated and sealed. 5.For all sorts of vertical material receiving platforms, platform head should be emplaced with safety gates or movable guard rails as well as guardrails on both sides. 3.1.2 Specifications and jointing requirements for edge-near guard rails members should correspond with following specifications. The little end effective diameter of bamboo rail should not be less than 70 mm. the baluster tip diameter should not be less than 80 mm. steel wire which level is not less than 16 should be used for binding balusters and binding circle number should not be less than 3.there should be no slip in binding. 2.The upper bar top diameter of rough lumber rail should not be less than 70 mm. the lower bar top diameter should not be less than 60 mm. and the baluster top diameter should not be less than 75 mm. Wire nail with corresponding length should be used for clenching or galvanized wire which level is not less than 12 should be used for banding, and the surface should be smooth and steady. 3.The upper bar diameter of steel bar rail should not be less than 16mm, the lower bar diameter should not be less than 14 mm. the baluster diameter should not be less than 18 mm. electric welding or galvanized wire should be used for fixing. 5.In case the external side of the edge are facing street, whole closing treatments such as emplacing safety net and others reliable measures should be taken besides guard rails are adopted. 3.1.4 Mechanics calculation and structural style of edge-near guard rails are detailed in Annex 2. 3.2 Opening operation 3.2.1 When opening operation is taken,or others high altitude operations are taken at opening where there are person or object falling hazard or personal safety hazard because of project and procedure requirement, safeguard devices should be emplaced according to following specifications. 1.Opening of broad or wall shall be emplaced with firm cover board, guard rail, safety net or others falling-proof safeguard facilities. 2.Guard rails and fixing fence gate should be emplaced at the opening of the elevator shaft; a safety net should be emplaced every 2 floors or at most 10 m. 3.Reinforced covering components should be emplaced at upper ports of pipe pile, bored pile and so on, at upper ports of cup-shape and strip foundation, not-earth-filled delve, and sight hole, scuttle and trapdoor. 4.Red light warning should be emplaced at night for all sorts of openings and holes, besides safeguard facilities and safety marks are emplaced. 3.2.2 Measures such as emplacing guard rails, covering components, erecting safety net and setting fence gate should be taken correspond with following requirements. The... ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. |
