Information
-
Audit Title
-
Customer/Client
-
Site Name
-
Site Number
-
Conducted on
-
Prepared by
-
Location
TOWER / SYSTEM INFORMATION
-
System Name?
-
Cooling tower or Evaporative Condensor?
-
How many towers make up the system?
-
Are all towers clearly identified and labelled?
-
Take Photographs of towers and identification.
-
Cooling Tower make?
-
Cooling tower model?
-
Cooling tower serial number?
-
System Volume (kL) ( estimated or calculate, refer to maintenance manual)?
-
Materials of construction - Cooling tower basin?
-
Materials of construction - condenser water pipe work?
- Mild Steel
- Copper
- Stainless Steel
- ABS
- PVC
-
Take photographs of basin and pipe work indicating current condition.
-
Is the EC clearly identified and labelled?
-
Take Photographs of EC and associated pipe work indicating current condition.
-
EC serial number?
-
EC manufacturer/make
-
EC Model?
-
EC Serial number?
-
System Volume?
-
Materials of construction - Basin and tower?
- Mild Steel
- Stainless Steel
- Fibre Glass
- Galvanised Steel
-
Is the WHS cooling tower certificate of registration displayed (Qld) OR DHS Registration number (Vic) ?
-
All no answers require a follow up action to be recommended. Add comments and actions required below.
-
Comments and actions required.
MAINTENANCE AND OPERATIONS MANUALS
-
Are CURRENT MSDS for each product on site located in the maintenance manual?
-
Are laminated MSDS located at chemical storage area?
-
Are current SMWS located in the maintenance manual?
-
Are all cooling tower cleaning and service reports on site?
-
Is the service register/log sheet up to date?
-
Does the customer / site have a specific log book requirement?
-
Is the Technician completing the BES requirements. (Ie all log entries are up to date?)
-
Photograph last pages (2) of BES log.
-
Is the maintenance manual suitably located?
-
Is there a weather proof cabinet for the maintenance manual?
-
Log book location?
-
Photograph of log book on site.
-
Are the test results for the last three months within range?
-
Has the technician made the correct adjustments?
-
Comments?
-
Are the past 12 months micro laboratory test certificates in the manual?
-
Is the contact information in the manual current and correct?
-
Update information:
-
Comments on manuals and improvements proposed?
STAGNANT WATER RISK
-
How many condenser water pumps are installed?
-
What is the changeover frequency and control method used to ensure these pumps are not dead legs?
-
Is there a balance line?
-
Can the drain line be easily drained and/or flushed?
-
Does the balance line have by-pass flow through it to ensure it is not a dead leg?
-
Take photographs of the balance lines and drain points.
-
Are there any dead legs in the system?
-
Take photographs of the dead legs in the system.
-
Stagnant water comments and improvements recommended?
OHS REQUIREMENTS
-
Is the electrical switch board clearly labelled to enable the plant to be safely shut down?
-
Is there a chemical spill kit available near the chemical storage area?
-
Is there an emergency eye washing facility in close proximity(<5m) to the chemical dosing systems?
-
Are PPE and hazard signs installed?
-
Does the site require a risk management plan due to location or other concerns?(kitchen exhaust, smoking areas, air intake)
-
Are all chemicals appropriately bunded?
-
Are all chemical drums and bundling correctly labelled?
-
Take Photographs of OHS check list items.
-
Comments and recommendations for OHS conditions and improvements.
TOWER CLEANING
-
Is a detailed shut down and start up procedure available on site?
-
Is there safe access to the cooling tower for cleaning?
-
Is there safe access to the top of the tower?
-
Why is it unsafe?
-
Take photos representing the lack of access.
-
From visual inspection, are the drift eliminators in good condition?
-
Take photographs of drift eliminators.
-
Are there any water leaks evident from the tower?
-
Describe leaks?
-
Take photographs of reported leaks.
-
Describe the general cleanliness of the CT internal surfaces?
-
Describe general condition of the tower internals?
-
Take photographs of tower internals.
-
Is the water distribution through the cooling tower balanced?
-
Describe general condition and cleanliness of the cooling tower components?
-
Photograph tower components to demonstrate current condition, include air intake louvres, splash guards and tower basin etc
-
Comments?
DOSING EQUIPMENT
-
Describe the general cleanliness of the tower and surrounds?
- good
- satisfactory
- unsatisfactory
- fouled
- heavy scale
- corrosion evident
- dirty
-
Photograph tower and surrounds.
-
Comments?
-
Equipment make?(Aquarius, Advantage, Digi etc)
- Digichem
- Advantage
- Aquarius
- Hoffman
- LMI
- Prominent
-
Dosing controller model?(Digi AB, Digichem 2, Aquagard, Megatron SS etc)
- Digi AB
- Digi 2
- AT522
- Aquagard
- Megatron SS
- CTH1
-
Take photograph of dosing controller.
-
CHECK OPERATION OF ALL EQUIPMENT AND REPORT BELOW.
-
Biocides A pump tested, all operational?
-
Biocide B pump tested and operational?
-
Inhibitor dosing pump tested and operational?
-
Bromine tablet solenoid valve tested and operational?
-
Conductivity controller and solenoid tested and operational?
-
Is there a stand alone circulation pump installed for the dosing controller?
-
Circulation pump checked and operational?
-
Is the tower fitted with a side steam filter?
-
Record type of filter?
-
Take photograph/s of the side steam filter installations?
-
Does the system have a dedicated sample point?
-
Is the sample point clearly identified or labelled?
-
Take photograph of the sample point?
-
Is there a corrosion rack installed?
-
Is the coupon rack installed a 2 or 4 station rack?
-
Is the flow through the rack measurable? Ie is there a flow meter
-
Take photographs of corrosion racks and flow meters?
-
Are their chemical dosing pots for the closed systems?
-
Are the dosing pots clearly labelled?
-
Are the pipes feeding the dosing pot clearly identified as heating or chilled water?
-
Take a photograph of each dosing pot and pipe work.
-
Are there water meters installed on the cooling towers?
-
Are there bleed and or make up meters?
- bleed meters
- make up meters
-
Is there a meter on each tower?
-
Are we required to record the meter readings?
-
Comments and recommendations?
DOSING EQUIPMENT SETTING
-
Conductivity set point?
-
Conductivity reading today?
-
Take photograph of conductivity screen?
-
ORP set point
-
ORP reading today?
-
Take photograph of ORP readout screen.
-
Inhibitor dosing pump and controller settings?
-
Biocides A (Primary) pump and timer settings?
-
Biocides B (secondary) pump and timer settings?
-
Does the system have a dispersant pump?
-
Dispersant pump and control settings?
-
Dispersant product in use?
-
Per bleed settings?
-
Bleed lockout settings?
-
Does the controller have automatic disinfection via ORP?
-
Record frequency?
-
Record duration?
-
ORP or mV setting?
-
Comments and recommendations?
END OF REPORT, SIGNATURES
-
Signature: