Pre-Lift Safety Permit: Heavy Commercial Crane Work

1. Crane Model, Load Capacity & Operator Verification

Capture equipment specs, configurations, and operator credentials. Details must match physical labels and valid certificates. Resolve discrepancies prior to lift authorization.


Crane Type Classification


Crane Manufacturer & Model

Crane Serial Number / Unit ID

Manufacture Year

Is this a tandem lift requiring multiple cranes?


Maximum Rated Capacity (metric tons)

Current Configuration Rated Capacity (metric tons)

Maximum Boom Length (meters)

Current Boom Length Configured (meters)


Is auxiliary equipment installed (jib, fly, luffing)?


Upload Current Load Chart PDF for this exact configuration

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Upload Crane Annual Inspection Certificate (within 12 months)

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Primary Crane Operator Full Name

Operator Certification Number

Operator Certification Expiry Date

Total Hours Experience on This Specific Crane Model

Lift Director/Supervisor Name

Certified Master Rigger Name (if different from above)

Rigging Gear Inventory & Certification Status

Gear Type

Component ID / Serial

Working Load Limit (tons)

Last Inspection Date

Days Since Inspection

Certification Current?

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Are all rigging gear components within certification period?


2. Ground Bearing Pressure, Outrigger Pad & Soil Stability Inspection

Ground conditions impact crane stability. Complete fields using geotechnical data, physical checks, and calculations. Ground failure risk requires immediate halt and remediation.


Primary Soil Classification at Setup Location




Has recent precipitation or flooding affected the site?


Maximum Outrigger Reaction Force (tons)

Outrigger Float/Pad Length (meters)


Outrigger Float/Pad Width (meters)

Calculated Ground Bearing Pressure (tons per square meter)

Verified Soil Bearing Capacity (tons per square meter)

Is soil bearing capacity greater than calculated ground pressure with safety factor?


Safety Factor Applied (e.g., 2.5 for critical lifts)

Are outrigger pads made of engineered materials (steel, composite) or timber?


Have underground utilities been located and cleared within outrigger radius?


Is there any evidence of voids, uncompacted fill, or subsurface anomalies?


Upload Photo of Each Outrigger Pad Setup (4 corners minimum)

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Upload Photo of Ground Surface Condition Around Full Crane Radius

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Overall Ground Stability Confidence Level

3. Load Weight, Boom Angle & Radius Math Calculations

Precise load calculations are non-negotiable. Account for all components using engineered plans. Crane capacity must exceed total load weight by mandated safety factors.


Weight of Primary Load (metric tons)

Load Description & Material Specification

Load Dimensions (L x W x H) and Center of Gravity Location

Is the load's center of gravity centrally located or offset?


Total Weight of All Rigging Gear Below Hook (tons)

Total Gross Load Weight (Load + Rigging)

Planned Boom Length for Lift (meters)


Planned Boom Angle (degrees from horizontal)

Maximum Radius During Load Travel (meters)

Crane Capacity at This Radius & Configuration (tons)

Calculated Safety Factor (Capacity/Gross Load)

Does safety factor meet or exceed project minimum (typically 1.5-2.0)?


Will load be side-loaded or have non-vertical lift forces?


Multi-Stage Lift Plan - Critical Position Analysis

Lift Stage

Radius (m)

Boom Angle (deg)

Chart Capacity (t)

Gross Load (t)

Safety Factor

 
 
 
 
 
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Are there any capacity deductions for jib, fly, or special attachments?


Upload Engineered Lift Drawing with Load Path & Radii

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Upload Load Calculation Worksheet Signed by Qualified Person

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4. Wind Speed, Overhead Obstacle & Exclusion Zone Sweep

Real-time weather data, 360° sweeps, and exclusion zones are mandatory. Identify and control all atmospheric and spatial hazards before lift commencement to mitigate dynamic risks.


Current Wind Speed at Ground Level (m/s)

Wind Speed at Maximum Load Height (m/s)


Maximum Allowable Wind Speed for This Lift (m/s)

Is current wind speed below maximum allowable with safety margin?


Wind Gust Factor Applied

Are there any overhead power lines within boom radius +10m safety zone?


Are there other cranes, towers, or structures that could cause wind tunnel effects?


Overhead Obstacles Within Boom Path - Select All That Apply


Minimum Vertical Clearance to All Overhead Obstacles (meters)

Has a full 360-degree visual sweep been performed from operator perspective?


Calculated Exclusion Zone Radius (meters)

Is exclusion zone barricaded with physical barriers and warning signage?


Are spotters assigned to monitor exclusion zone during lift?


Communication Method Between Operator, Rigger, and Spotters

Is there a qualified signal person designated and identified?


Load Swing Radius During Travel (meters)

Are tag lines properly sized and rigged to control load rotation?


Upload 360-Degree Site Panorama Photo from Crane Cab Height

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Upload Photo of Exclusion Zone Barricade and Signage

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Environmental Hazard Control Verification

Not Verified

Partially Verified

Fully Verified

Wind monitoring plan active

Overhead obstacle clearance verified

Exclusion zone secured

Communication system tested

Emergency stop protocol briefed

5. Master Rigger & Safety Manager Joint Sign-Off & Authorization

Final authorization requires inspection by Master Rigger and Safety Manager. Electronic signatures constitute legal accountability. Both signatures are required to execute the lift.


Has a pre-lift safety meeting been conducted with all personnel involved?


List All Personnel Attending Pre-Lift Meeting (Names & Roles)

Are all personnel briefed on specific hazards identified in this permit?


Is emergency response plan activated and emergency services notified?


Is a stop work authority clearly assigned and understood by all?


Are there any hold points or conditional approvals for this lift?


Certified Master Rigger Full Name

Master Rigger Certification Number

Master Rigger Physical Inspection Date/Time

Master Rigger Independent Verification of Critical Items

Crane configuration matches load chart

Ground conditions adequate

Load calculations verified

Rigging gear certified

Exclusion zone secured

Environmental hazards controlled

Master Rigger: Do you approve this lift as safe to proceed?


Certified Master Rigger Signature

Site Safety Manager Full Name

Safety Manager Professional Registration/Certification

Safety Manager Physical Inspection Date/Time

Safety Manager Independent Verification of Compliance

All personnel certified

Permit documentation complete

Hazard controls implemented

Emergency plan active

Regulatory requirements met

Safety Manager: Do you authorize this lift under your safety plan?


Site Safety Manager Signature

Final Lift Authorization Time

Permit Valid Duration (hours from authorization)

Is continuous monitoring required during lift execution?


Upload Master Rigger Field Notes & Inspection Photos

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Upload Site Safety Manager Audit Checklist

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PERMIT VALIDITY: This permit is void if conditions change (weather, ground, personnel, equipment). Any change requires new permit issuance. Stop work immediately if unexpected hazards emerge. Authority to stop work rests with any team member.

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