• Approval & Authorisation
  • Sand Blasting
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Sand Blasting

Introduction

Regulation 5, Factories and Machinery (Mineral Dust) Regulations 1989, sandblasting process shall not be used in any factory, except with the prior written approval of the Chief Inspector.

"Sandblasting" is defined as the cleaning, smoothing, roughening, cutting, preparation or removal of surfaces or part of the surface of any building, ship or article by the use of sand or other substances containing crystalline silica propelled by a blast of compressed air or steam by a wheel or any similar means.

" Crystalline Silica “mean crystalline form of free silica which includes quartz, critobolite and tridymite.

"free silica" refers to silicon dioxide which is not combined with any other element or compound.

How to Apply

All applications must be made using the letterhead and addressed to: -
Industry & Ergonomics Hygiene Division,
Department of Occupational Safety and Health (DOSH)
Level 4, Block D4, Complex D,
Federal Government Administrative Centre,
62530 Putrajaya.

Tel: 03 - 8886 5000/8886 5334
Fax: 03 - 8890 1315

Sandblasting Application Documents

The following documents must be accompanied by the application: -

*Permanent sandblasting means the process is carried out at a fixed address factory

** Temporary sandblasting means process is carried out in accordance with the project by an appointed contractor as in the Letter of Awards or others award document.


The following documents must be accompanied by the application: -

1. Form and checklist for sand blasting approval (download here)

2. Letterhead application for sand blasting process

3. Design drawings or catalogues for blasting machines

4. Safe Work Procedure (SOP) for before, current and after-process activities with hazard identification

5. Work related job flowchart

6. Sand Blasting process layout plan

7. The latest Chemical Safety Data Sheet (SDS) according to Occupational Safety and Health (Classification, Labeling and Hazardous Chemical Safety Data Sheet) 2013 (CLASS)

8. Engineering Controls (LEV, GV, etc.)

  • Report on the effectiveness of engineering controls by Hygiene Technician 2 (for permanent sand blasting application only)

 

  • Ventilation plan (For temporary sand blasting application only)


9. Record of personal protective equipment (PPE) issuances

10. Medical examination for blaster

11. Certificate or training information for blaster

12. Warning Signs

13. Letter of Acceptance (Letter of Acceptance) or other documents indicating the duration of work for sand blasting. (For temporary sand blasting application only)

  • Schedule of activities for sand-blasting processes


Approval Process

Applications will be processed within 30 working days after completion of COMPLETE application documents.

Approval letter for sand blasting (permanent) is 3 years

Approval letter for Sand blasting (temporary) is in accordance with the period specified in the Letter of Award (LOA) or other documents indicating the duration work.


Procedure upon approval are as follows: -

i.     Comply with Section 15 of the Occupational Health and Safety Act, 1994 to ensure so far as is practicable, the safety, health and welfare of workers who handle machinery.

ii.    Comply with the Occupational Safety and Health (Use and Standard of Exposure of Chemicals Hazardous to Health, Regulations2000).

iii.    Seeking approval from DOSH Headquarters should be converted to media blasting material other than those mentioned in approval letter, as required under the Regulations Factories and Machinery Act 1967 (Regulation 6 of the Mineral Dust Regulations 1989) that if the material contains percent free crystalline silica (free crystalline silica) is less than 1% at concentrations exceeding 5mg/m3 for 'respirator dust' or 10mg/m3 for 'total dust' on a weighted average period of 8 hours (TWA8).

iv.     Getting permission to install and operate the blasting machine and other related machinery from the Director, Department of Occupational Safety and Health in the land-related.

Any Inquiry / Questions

Industry & Ergonomics Hygiene Division,
Department of Occupational Safety and Health (DOSH)
Level 4, Block D4, Complex D,
Federal Government Administrative Centre,
62530 Putrajaya.

Tel: 03 - 8886 5000/8886 5334
Fax: 03 - 8890 1315

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