Demolition Pre-Engineering Survey

OSHA 1926.850 pre-demolition engineering survey by a competent person. Required before any demolition work to identify structural / utility / hazardous-material risks.

Survey Scope and Competent Person Verification

• Survey completed before any demolition activity started
• Survey performed by a competent person
• Survey scope includes structure, utilities, and hazardous materials
• Survey date and time recorded
• Inspector name and role recorded

Structural Conditions and Stability

• Load-bearing elements identified and documented
• Signs of structural instability observed
• Unprotected openings, weakened floors, or compromised walls identified
• Roof, floor, and wall conditions reviewed for collapse hazards
• Temporary shoring or bracing required before demolition

Utilities, Energy Isolation, and Service Disconnection

• Electric service identified and isolation status confirmed
• Gas service identified and isolation status confirmed
• Water, sewer, steam, compressed air, and other services identified
• Utility disconnects verified with utility owner or authorized representative
• Lockout-tagout or equivalent isolation controls documented where applicable

Hazardous Materials and Environmental Hazards

• Asbestos-containing materials identified or ruled out by survey
• Lead-containing materials identified or ruled out by survey
• Other hazardous materials identified
• Hazardous material abatement plan required before demolition
• Dust, silica, or airborne exposure hazards considered in planning

Adjacent Property, Access Control, and Emergency Planning

• Adjacent structures and public exposures evaluated
• Exclusion zones and access controls identified
• Emergency contacts, evacuation route, and rescue plan available
• Work stoppage criteria communicated to crew