Construction Methodology

All about construction, in simple words.

Boom configurations

Standards

Standard Code Organization Scope Key Requirements Certification Required
ISO 4305 International Organization for Standardization Boom Design Load ratings, Safety factors Type certification
EN 13000 European Committee for Standardization Mobile Crane Booms Structural requirements CE marking
ASME B30.5 American Society of Mechanical Engineers Boom Operations Safety standards Compliance verification
FEM 5.004 European Materials Handling Federation Wind Effects Load calculations Design verification
DIN 15018 German Institute for Standardization Crane Structures Design criteria Structural certification
AS 1418.5 Standards Australia Mobile Crane Standards Design specifications Australian certification

Boom Types:

Type Configuration Application Key Features
Telescopic 4-8 sections Mobile/AT cranes Variable length
Lattice Fixed sections Crawler cranes High capacity
Luffing Jib Angle adjustment Tower/Mobile cranes Offset loads
Folding Articulated sections Loader cranes Compact storage
Fixed Jib Extension attachment All types Added reach
Heavy Lift Special configuration Super lift cranes Maximum capacity

Structural Components:

Component Specifications Standards Testing Required
Main Boom Length: 30-100m, Section design ISO 4305 NDT, Load test
Extension Length: 10-50m, Connection type EN 13000 Structural test
Wear Pads Material grade, Clearance DIN 15018 Wear monitoring
Cylinders Stroke length, Pressure rating ISO standards Pressure test
Sheaves Diameter ratio, Bearing type ASME B30.5 Bearing test
Pins/Locks Grade, Diameter, Safety factor ISO standards Material cert

Operating Parameters:

Parameter Requirements Standards Verification
Load Charts Capacity vs radius ISO 4305 Load testing
Extension Speeds Telescope rates EN 13000 Speed testing
Deflection Limits Maximum sag DIN 15018 Deflection check
Wind Limits Operating/Stowed FEM 5.004 Wind monitoring
Angle Range -3° to +85° typical EN 13000 Angle verification
Side Load Limits % of rated load ASME B30.5 Load testing

Control Systems:

System Function Standards Testing Method
Length Sensors Extension monitoring EN 13000 Calibration
Angle Sensors Boom angle measurement ISO 4305 Calibration
Load Moment Capacity monitoring ASME B30.5 System test
Anti-Two Block Upper limit control EN 13000 Function test
Winch Control Line speed/pull ISO standards Performance test
Boom Control Movement control EN 13000 Function test

Maintenance Requirements:

Item Frequency Standards Documentation
Visual Inspection Daily ASME B30.5 Check lists
Wear Pad Check Weekly Manufacturer specs Wear records
Cable Inspection Monthly ISO 4309 Cable reports
NDT Testing Annual/Hours based EN 13000 NDT reports
Cylinder Service Hours based Hydraulic standards Service records
Structural Check Annual DIN 15018 Inspection reports

Configuration Options:

Configuration Application Limitations Requirements
Main Boom Only Standard lifts Chart limits Standard setup
Main + Fixed Jib Extended reach Reduced capacity Additional setup
Main + Luffing Complex lifts Setup time Special planning
Heavy Lift Maximum capacity Ground pressure Engineering review
Offset Positions Restricted access Reduced ratings Special charts
Multiple Falls Heavy loads Speed reduction Reeving plan

Safety Systems:

System Function Standards Verification
LMI System Load monitoring EN 13000 Calibration
Position Sensors Configuration control ISO 4305 Sensor check
Lock Indicators Section security ASME B30.5 Function test
Warning Systems Operator alerts Safety standards System test
Emergency Stop System shutdown EN 13000 Function test
Limit Switches Movement control ISO standards Switch test

Assembly/Disassembly:

Process Requirements Standards Documentation
Sequence Manufacturer procedure Assembly manual Checklist
Rigging Correct equipment ASME B30.5 Rigging plan
Personnel Qualified staff Safety standards Training records
Testing Load test procedure EN 13000 Test records
Transport Configuration specs Transport regs Transport plan
Documentation Assembly records Quality standards Assembly report

Environmental Considerations:

Aspect Requirements Standards Monitoring
Wind Speed Operating limits FEM 5.004 Anemometer
Temperature Operating range Manufacturer specs Temperature gauge
Ice/Snow Special procedures Safety standards Weather monitoring
Lightning Protection systems Safety standards Weather alert
Corrosion Protection systems ISO standards Inspection
UV Exposure Protection measures Material standards Condition check

Documentation Requirements:

Document Content Frequency Storage
Configuration Log Setup details Each change Operation file
Inspection Reports Check results As required Safety records
Load Charts Capacity data Configuration specific Crane manual
Test Certificates Testing results As required Certification file
Maintenance Records Service history As performed Service file
Incident Reports Event details As occurred Safety records
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