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  1. The distance between the highest point of the cat-ladder and the roof or ground. Not more than 3m. Projection of the rungs of the cat-ladder from the wall. Not more than 300mm. The rungs of the cat-ladder. Not wider than 500mm. The cat ladder projects over any street. No. More details: See Item 28 Description of building works, Schedule 2 ...

  2. SSD169(4) 65 WIDE x 10 THK FIXING PLATE OF CAT LADDER. 16. SSD169(4) 20 DIA SOLID RUNG AT UNIFORM SPACING OF 250 MIN, 300 MAX. 65 WIDE x 10THK FLAT AS STRINGER. 50 WIDE x 8 THK FLAT BENT TO FORM SAFETY CAGE HOOP AT UNIFORM SPACING OF 600 MIN, 900 MAX. 50 WIDE x 8 THK FLAT AS SAFETY CAGE STRAPS. CAT LADDER WITH SAFETY CAGE.

  3. WSD Stainless steel cat ladder水務署設備標準圖則WSD 7.3H泵房不鏽鋼貓梯天井不鏽鋼貓梯天井檢修不鏽鋼平台 證書:ISO9001 ISO14001 OHAS18001 材質:304 316 316L 1.4401 1.4404 交貨期:7-30天 差異化服務:小批量訂單及加工,價格公道

  4. 2 In no case shall ladders be used for work at 2 metres or more above the ground. - 5 - 4.2 Mobile Working Platforms 4.2.1 The following mobile working platform is commonly used for work at less than 2 metres above the ground (Figure 2). 4.2.2 The use of ...

  5. ELEVATION TOP END OF CAT LADDER WITH SAFETY CAGE. SCALE 1:10. 1100. R. - - WELDED TO GANTRY COLUMNS 100x50 STEEL CHANNEL EXTENDED LADDER STRINGER SAFETY CAGE HOOP FLAT BENT TO FORM 50 WIDE x 8 THK FLAT AS STRINGER 65 WIDE x 10 THK 20 DIA SOLID RUNGS. Q. - - 900 SCALE 1:10 GANTRY COLUMN HINGES. ELEVATION BOTTOM END OF CAT LADDER.

  6. www.wsd.gov.hk › filemanager › enDRAWING WSD0703-H

    Title DRAWING WSD0703-H Author WSD-DO Created Date 1/13/2015 2:24:23 PM

  7. 2024年1月11日 · Home. Building works. Minor works. Minor Works Items. Accesses for maintenance (cat-ladders or metal structures) Last update: 11 January 2024. Share. Contractors can only undertake the relevant classes or items of minor works for which they have been registered. External cat-ladders. Erection/Alteration/Repair/Removal. Class II. 2.51.