IS 5121:1969 is the Indian Standard (BIS) for safety code for piling and other deep foundations. This standard lays down the essential safety requirements and precautions to be observed during piling and deep foundation operations. It outlines safety protocols for the erection, operation, and maintenance of pile driving equipment, personnel safety, and site hazard management.
Safety code for piling and other deep foundations
| Parameter | IS Value | International | Source |
|---|---|---|---|
| Safety Factor for Fibre Ropes/Slings | A minimum factor of safety of 6 shall be used for fibre ropes. | A minimum factor of safety of 7:1 is typically required for textile lifting slings. | EN 1492-1 |
| Safety Factor for Chain Slings | A minimum factor of safety of 5 shall be used for chains. | A minimum factor of safety of 4:1 is required for Grade 80 alloy chain slings. | EN 818-4 |
| Frequency of Wire Rope Examination | Thoroughly examined by a competent person at least once in every six months. | Thorough examination at least every 6 months for lifting equipment (or per a written scheme of examination). | UK LOLER 1998 Regulations (informing BS/EN practice) |
| Minimum Age for Plant Operators | No person under 18 years of age shall be employed to operate any power driven machinery. | Generally 18 years, as determined by national regulations and competency/training requirements for heavy machinery. | General practice under OSHA/HSE regulations |
| Work Area Illumination | Adequate and suitable lighting shall be provided at all work places. | Specific levels often recommended, e.g., 50-100 lux for movement/general tasks, 200+ lux for detailed work. | HSE HSG38 / CIBSE Lighting Guide (common UK practice) |
| Safety Helmet Standard | Shall conform to IS 2925. | Shall conform to relevant regional standards, e.g., EN 397 (Europe) or ANSI Z89.1 (USA). | EN 397 / ANSI Z89.1 |