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One scaffold rule a week, with the numbers

Three numbers your crew should know before they climb, every Tuesday. Each rule carries its reference, in English and Arabic, with an A3 poster for your site board.

3rules published so far
3numbers in every rule
4languages on the A3 posters
Freeto print and use on site

This week and before

Read it at the toolbox talk, pin the poster, then ask the crew the three numbers. Rules follow Saudi Aramco CSM and GI 8.001 as taught in AL-YASSIN courses.

AYS-T-03 toolbox post: Above 1.8 m: 100% tie-off. 1.8 m: Fall protection is needed above 1.8 m, measured to your feet. 2,268 kg: Anchor strength per person. Never a guardrail, small pipe, conduit or cable tray. 5.5 m: Minimum anchor height above the impact surface for a shock-absorbing lanyard.
AYS-T-03FROM THE AL-YASSIN SAFETY OFFICER COURSE · M3

Above 1.8 m: 100% tie-off

فوق 1.8 م: الحزام مربوط 100%

  1. 1.8 mFall protection is needed above 1.8 m, measured to your feet.الحماية من السقوط مطلوبة فوق 1.8 م، تقاس عند القدمين.
  2. 2,268 kgAnchor strength per person. Never a guardrail, small pipe, conduit or cable tray.قوة نقطة الربط لكل شخص. لا تربط في درابزين أو ماسورة صغيرة أو كيبل تراي.
  3. 5.5 mMinimum anchor height above the impact surface for a shock-absorbing lanyard.أقل ارتفاع لنقطة الربط فوق سطح الارتطام مع حبل ماص للصدمات.

Reference: CSM II-5 (June 2025) 5.3.2, 5.3.8 F, 5.3.15, 5.4.1, 5.4.4, 5.5.11–5.5.12, 5.6.1–5.6.2. Saudi Aramco CSM and GI 8.001 as taught in AL-YASSIN courses; on other projects follow the project scaffold procedure. Verify against the latest edition.

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AYS-T-02 toolbox post: Read the tag before you climb. Green: Complete, inspected, safe. Valid 2 weeks, renewable 3 times up to 8 weeks. Yellow: Guardrail or plank cannot be fitted. Harness users only, independent anchors, 2 weeks max. Red: Not inspected or not safe. An expired tag counts as red: no work until a new signed tag.
AYS-T-02FROM THE AL-YASSIN SAFETY OFFICER COURSE · M5

Read the tag before you climb

اقرأ البطاقة قبل أن تصعد

  1. GREENComplete, inspected, safe. Valid 2 weeks, renewable 3 times up to 8 weeks.أخضر: مكتملة ومفحوصة وآمنة. صالحة أسبوعين، وتُجدد 3 مرات حتى 8 أسابيع.
  2. YELLOWGuardrail or plank cannot be fitted. Harness users only, independent anchors, 2 weeks max.أصفر: لا يمكن تركيب درابزين أو لوح. لمستخدمي الحزام فقط، بنقاط ربط مستقلة، أسبوعان كحد أقصى.
  3. REDNot inspected or not safe. An expired tag counts as red: no work until a new signed tag.أحمر: غير مفحوصة أو غير آمنة. البطاقة المنتهية تُعد حمراء: لا عمل حتى تُعلق بطاقة جديدة موقعة.

Reference: GI 8.001 (2025) §4.20.1–4.20.3, §6.7, §9.1, §9.4, §9.9–9.10, §9.13. Saudi Aramco CSM and GI 8.001 as taught in AL-YASSIN courses; on other projects follow the project scaffold procedure. Verify against the latest edition.

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AYS-T-01 toolbox post: Ladder access done right. 1 m: Ladder top at least 1 m above the landing. 4 : 1: Angle: 1 m out for every 4 m of rise. Tied off at the uppermost support. 30 cm: Bottom rung no more than 30 cm above the mounting level, on a firm base.
AYS-T-01FROM THE AL-YASSIN SUPERVISOR COURSE · M13

Ladder access done right

سلم الوصول بالطريقة الصحيحة

  1. 1 mLadder top at least 1 m above the landing.رأس السلم أعلى من منصة الوصول بمتر على الأقل.
  2. 4 : 1Angle: 1 m out for every 4 m of rise. Tied off at the uppermost support.الزاوية: متر للخارج لكل 4 م ارتفاع. مربوط عند أعلى نقطة ارتكاز.
  3. 30 cmBottom rung no more than 30 cm above the mounting level, on a firm base.أول درجة لا تزيد عن 30 سم فوق مستوى الصعود، على قاعدة ثابتة.

Reference: CSM II-3 §3.4.1, §3.4.3, §3.4.6, §3.4.9; CSM II-2 §2.5.6 X. Saudi Aramco CSM and GI 8.001 as taught in AL-YASSIN courses; on other projects follow the project scaffold procedure. Verify against the latest edition.

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Next rule: Tuesday 20 Oct 2026. Follow AL-YASSIN on LinkedIn to get it first.

Print the posters for your site board

Pack 01: the first 10 rules as print-ready A3 posters, one rule per poster.

  • A3 portrait PDF, 10 posters, 6.7 MB
  • English, Arabic, Urdu and Hindi on every poster
  • The three numbers, a drawing or a large figure, and the reference
  • Free to print and use on your sites

Urdu and Hindi: have a native speaker check the text before you print. Rules follow Saudi Aramco CSM and GI 8.001; on other projects follow the project procedure. Verify against the latest edition.

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