Unit of competency Outline

Date retreived
23/07/2026 8:05 AM AWST

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Operate and control hypochlorite disinfection processes

Operate and control hypochlorite disinfection processes

Unit of competency
National Code
NWPTRT052
State Code
AVY07
TGA Status
Replaced
DTWD Status
Transition (Replaced)
Current Release Number
1.00
Current Release Date
07/12/2015
View on TGA
State Implementation and Classification
Approved Date
15/04/2016
Field of Education
030907 - Water And Sanitary Engineering
Original Release Date
15/04/2016
Nominal Hours
40
Description
This unit describes the skills required to monitor and operate hypochlorite disinfection systems and report on process quality control. This includes the skills required to working safely with sodium hypochlorite solutions and calcium hypochlorite solids, including their safe handling, transport and storage and implementation of emergency response procedures.This unit applies to those working as operational staff with specific responsibility for hypochlorite disinfection systems in water and wastewater treatment plants.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to, particularly those related to WHS and handling of dangerous goods.Those undertaking this unit would work under supervision, while performing routine tasks, in a range of familiar contexts.No licensing, legislative or certification requirements apply to unit at the time of publication.
Notes
Elements and Performance Criteria
1. Plan and prepare for work
  • 1.1 Determine work requirements from job specification and plans.
  • 1.2 Select and check equipment and hypochlorite supplies to meet safety requirements of task and site.
  • 1.3 Select, fit and use personal protective equipment.
  • 1.4 Handle and store hypochlorite chemicals to maximise shelf life and reduce loss of available chlorine.
  • 1.5 Conduct the percentage available chlorine test.
2. Monitor process performance
  • 2.1 Monitor hypochlorite disinfection processes according to agreed schedule and procedures.
  • 2.2 Collect samples and conduct process tests.
  • 2.3 Make process adjustments as required to maintain effectiveness of hypochlorite disinfection.
3. Apply chemical dosing
  • 3.1 Prepare and apply hypochlorite chemicals.
  • 3.2 Control hypochlorite dosing to maintain required residual.
4. Complete documentation
  • 4.1 Maintain information relating to hypochlorite supply and usage.
  • 4.2 Collect and record process data.
  • 4.3 Report observations outside defined parameters for further action.
No information
No information
Replaces
State Code National Code Title Type
D1880 NWP268B Monitor, operate and report chlorine disinfection systems Unit of competency
Replaced By
State Code National Code Title Type
OBN64 NWPTRT022 Monitor and operate hypochlorite disinfection processes Unit of competency