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Local Exhaust Ventilation

To control air contaminants (dust, gases, vapours ) management implement ventilation. Two types of ventilation are used – dilution and /or local exhaust ventilation. The determination of its suitability requires the use of a competent person. The South Africa Department of Labour requires this person to be an Approved Inspection Authority. OCCUTECH is accredited by SANAS and approved by Department of Labour to evaluate ventilation system.

extracting fumes from welding booth

Extracting fumes from welding booth

The South African Legislation Regulations for Hazardous Chemical Substances (Section 12), Regulations for Hazardous Biological Regulations (Section 12), Lead Regulations (Section 14) all require the control equipment which includes ventilation to be maintained, operative and be evaluated every 24months by an Approved Inspection Authority.

dust being extracted at source

Extraction at source protects the operator from
inhaling fumes and dust


To evaluate the ventilation the AIA can perform one of these
-    Routine inspection or check
-    Thorough evaluation
-    Full evaluation of the system


All these require
-    Inspection of hood ,ducting
-    Observation of any evidence of failure and/or deterioration
-    Read instruments fitted to the system

fumes and dust are being extracted from workplace exhauseted outside of the building

Fumes and dust are being extracted from workplace exhauseted
outside of the building

For thorough evaluation
-    Measurement of the system performance is required
-    Assessment of performance


Full evaluation
-    Evaluation of system effectiveness ,capturing and controlling
-    Check all components


router spindle risk assessment

A very dusty environment with no exhaust provided
to control the high level of dust


OCCUTECH is an Approved Inspection Authority accredited by SANAS and approved by Department of Labour to evaluate ventilation system.



PRIVACY POLICY II ANTI-SPAM II AUP II SECTION 51




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Designed, Developed & Maintained by Michael Hickman
This page was  created on 07.10.2017
This page was last updated on 07.10.2017