IS 4081

: 1986

Safety Code for Working with Construction Machinery

CurrentFrequently UsedSafety CodeGeneral · Demolition, Renovation and Repair of Structures
Download PDFBIS PortalGoogle

This standard outlines the safety requirements and precautions for the operation, maintenance, and handling of construction machinery such as excavators, cranes, mixers, and rollers to prevent workplace accidents.

Prescribes safety requirements for the operation and maintenance of various construction machinery.

Quick Reference Values
Minimum age for machinery operator18 years
Minimum clearance from overhead power lines (up to 11kV)3.0 m
Minimum distance of parked machinery from excavation edge1.5 m or depth of trench (whichever is greater)
Inspection frequency of lifting wire ropesDaily before use
Practical Notes
Always maintain a daily pre-start inspection checklist for all heavy machinery, focusing on brakes, limit switches, and reverse alarms.
Ensure operators possess a valid heavy motor vehicle license and are medically examined at regular intervals.
Never permit unauthorized personnel to ride on moving construction equipment.