FOCUS 4 Caught In-Between鈥� Hazards, Trainer Guide CONSTRUCTION SAFETY & HEALTH, Occupational Safety and Health Administration, U.S. Department of Labor.
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Electricity: hazards from underground and overhead cables
Construction Plant-hire Association - detailed guidance on excavation work
CDM 2015 Regulations
CDM 2015 Excavations Regulation 22
CDM 2015 Reports of inspection Regulation 24
General Guidance on Permit to Work (including Excavation)
UK Health & Safety Executive: Guidance on Permit to Work Systems
International Association of Oil and Gas Producers: Guidance on Permit to Work Systems
Norwegian O&G Association - Recommended Guidelines for a Common Model for Work Permits
