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Delete requirement for safety line a lower roof perimeter added by DCR 054 and replace with safety anchors 2 M inside the perimeter of the Lower Roof as shown in the sketch attached, SK-DCR084-001. Safety anchors should be spaced equally (maximum 4m O.C. unless noted otherwise). Use Summit Anchor... 顯示更多 Delete requirement for safety line a lower roof perimeter added by DCR 054 and replace with safety anchors 2 M inside the perimeter of the Lower Roof as shown in the sketch attached, SK-DCR084-001. Safety anchors should be spaced equally (maximum 4m O.C. unless noted otherwise). Use Summit Anchor Company(使用最高級??公司,不會翻), Inc. bolt through roof, anchor model # SM-1-4B or approved equal (Typical).
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要求刪除屋頂外圍的安全索添加DCR 054由屋頂周圍2m內設置(如草圖所示),為 SK - DCR084 - 001。安全錨座應間隔同樣(最大4m o.c,除非另註明)。使用最高固定,螺栓穿過頂板,錨座型號的SM - 1 - 4B或同等(典型值)。
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