VINN AL AZL
فَنّ العَزْل · Saudi-Korean Insulation
Risk Assessment / JSA
تقييم المخاطر / تحليل سلامة الوظيفة
DOC: VAA-HSE-RA-001 · REV 1.0 · GI 6.029 / NEBOSH
Project / المشروع
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PO Number / رقم أمر الشراء
_________________________
Client / العميل
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Activity / النشاط
PIR / PUR Insulation Installation
Location / الموقع
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Date / التاريخ
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Assessor / المُقيِّم
_________________________
Approver (HSE Mgr) / المعتمد
_________________________
Revision / المراجعة
1.0 / Initial
5 × 5 RISK MATRIX & SCORING LEGEND
مصفوفة المخاطر ٥×٥ والتصنيف
Severity × Likelihood = Score
| Severity ↓ / Likelihood → | 1 Rare | 2 Unlikely | 3 Possible | 4 Likely | 5 Almost |
|---|---|---|---|---|---|
| 5 Catastrophic | 5 | 10 | 15 | 20 | 25 |
| 4 Major | 4 | 8 | 12 | 16 | 20 |
| 3 Moderate | 3 | 6 | 9 | 12 | 15 |
| 2 Minor | 2 | 4 | 6 | 8 | 10 |
| 1 Negligible | 1 | 2 | 3 | 4 | 5 |
Risk Level / مستوى الخطر
1 – 5 LOW · Acceptable · Routine controls
منخفض · مقبول
6 – 10 MEDIUM · Additional controls advised
متوسط · ضوابط إضافية
11 – 15 HIGH · PTW required · Supervisor sign-off
عالي · تصريح عمل مطلوب
16 – 25 CRITICAL · Stop work · HSE Mgr approval
حرج · إيقاف العمل
Hierarchy of controls: Elimination → Substitution → Engineering → Administrative → PPE
HAZARD REGISTER — PIR / PUR INSULATION WORKS (PART 1 of 2)
سجل المخاطر — أعمال العزل (ج ١ / ٢)
| # | Activity Step | Hazard | S | L | Score | Control Measures | S | L | Res | Required PPE | Resp. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 01 | Scaffolding access & erection | Fall from height >1.8m, dropped objects, scaffold collapse | 5 | 4 | 20 | Scafftag green tag inspection daily · trained scaffolders only · 100% tie-off >1.8m · toe-boards · drop zones barricaded · max load notice · wind >32 km/h stop work | 5 | 1 | 5 | Full-body harness · double lanyard · hard hat with chin strap · safety boots | Site Supv · Scafftag Inspector |
| 02 | Manual handling of insulation panels / pipe sections | Musculoskeletal injury, back strain, crushed fingers | 3 | 4 | 12 | Two-person lift >23 kg · mechanical aids for panels >1m² · TBT on lifting technique · rotate task every 2 hrs · pre-task warm-up | 2 | 2 | 4 | Cut-resistant gloves Lv 3 · safety boots | Foreman |
| 03 | Cutting PIR/PUR with hot knife or hand saw | Sharp edge laceration, hot-knife burn, dust inhalation | 3 | 4 | 12 | Hot-knife guards in place · cut away from body · sharpened blades only · LEV / dust extraction at source · pre-use tool inspection | 2 | 2 | 4 | Cut-resist gloves Lv 5 · FFP3 mask · safety goggles | Insulator · QC |
| 04 | Application of adhesives & PUR foam (spray/pour) | Vapor inhalation (MDI/Isocyanate), skin sensitization, fire | 4 | 4 | 16 | SDS on site · forced ventilation 6 ACH min · isocyanate medical surveillance · no smoking 15m radius · fire extinguisher within 10m · skin contact = wash immediately | 3 | 1 | 3 | Air-fed respirator / APF 40 · chemical gloves nitrile · Tyvek suit · face shield | HSE Officer |
| 05 | Hot pipe contact during in-service insulation | Thermal burn from pipe surface >60 °C, steam release | 4 | 3 | 12 | Verify line de-pressurized OR confirm operating temp · LOTO if isolation possible · thermal barrier cloth · heat-resistant gloves to elbow · IR thermometer pre-touch check | 3 | 1 | 3 | Heat-resist gloves to 350 °C · FR coverall · face shield | Supv · Operator |
| 06 | Welding / cladding fabrication on-site | Arc UV exposure, weld spatter burns, fume inhalation, fire | 4 | 3 | 12 | Hot work permit · fire watch +30 min after · welding screens · LEV on fume · combustibles >10m or covered · gas test before strike | 3 | 1 | 3 | Welding helmet shade 11 · leather apron · welding gloves · FR coverall | Welder · Fire Watch |
| 07 | Electrical tools & site power use | Electrocution, short circuit, fire, ground fault | 5 | 3 | 15 | RCD/GFCI on every circuit · 110V site transformer · monthly PAT test color tag · cable elevation >2m or armored · LOTO before live work · no tools in rain | 4 | 1 | 4 | Class 0 electrical gloves · dielectric boots · ARC flash visor (live work) | Electrician · HSE |