INT 1004 - PRE-SALE AUDIT

• Audit Title

• Site Name:

• Site Address:

• Site contact:

• Site contact Email address

• Prepared for:

• Conducted on:

  Date

• Prepared by:

• Take a photograph of the front of the building

  Media

CURRENT CONTRACTOR

• Who is the current contractor?

TOWER / SYSTEM INFORMATION

• Add Cooling Tower System

System

• System Name?

• Cooling tower or Evaporative Condensor?

  Cooling Tower

  Evap Condensor

• How many towers make up the system?

• Take photograph of systems

  Media

• Manufacturer/Make

• Model

• System volume

• Materials of construction - basin and tower?

DOSING EQUIPMENT

• Equipment make?

  Select Digichem Advantage Aquarius Hoffman LMI Prominent Other

  • Digichem
  • Advantage
  • Aquarius
  • Hoffman
  • LMI
  • Prominent
  • Other

• Make?

• Dosing controller model?

  Select Digi AB Digi 2 AT522 Aquaguard Megatron SS CTH1 Other

  • Digi AB
  • Digi 2
  • AT522
  • Aquaguard
  • Megatron SS
  • CTH1
  • Other

• Model?

• Take photograph of dosing controller.

  Media

• Condition of dosing equipment?

  Good

  Repair

  Replace

• Biocide A pump tested and operational?

  Yes

  No

  N/A

• Biocide A pump and timer settings?

• Biocide B pump tested and operational?

  Yes

  No

  N/A

• Biocide B pump and timer settings?

• Inhibitor pump tested and operational?

  Yes

  No

  N/A

• Inhibitor dosing pump and controller settings?

• Bromine tablet solenoid valve tested and operational?

  Yes

  No

  N/A

• ORP set point?

• ORP reading today?

• Does the controller have automatic disinfection via ORP?

  Yes

  No

  N/A

• Record frequency?

• Record duration?

• ORP or mV setting?

• Take photograph of ORP screen

  Media

• Conductivity controller and solenoid tested and operational?

  Yes

  No

  N/A

• Conductivity set point?

• Conductivity reading today?

• Take photograph of conductivity screen

  Media

• Pre bleed settings?

• Bleed lockout settings?

• Is there a dispersant pump?

  Yes

  No

  N/A

• Is there a stand alone circulation pump installed for the dosing controller?

  Yes

  No

  N/A

• Circulation pump checked and operational?

  Yes

  No

  N/A

• Is the tower fitted with a side stream filter?

  Yes

  No

  N/A

• Record filter type

• Take photograph of side stream filter

  Media

• Is there a corrosion rack installed?

  Yes

  No

  N/A

• Is the coupon rack installed a 2 or 4 station rack?

• Is the flow through the rack measurable? I.e. Is there a flow meter?

• Take photographs of corrosion racks and flow meters

  Media

• Are there water meters installed on the cooling towers?

  Yes

  No

  N/A

• Are there bleed and or make up meters?

  Select bleed meters make up meters

  • bleed meters
  • make up meters

• Is there a meter on each tower?

  Yes

  No

  N/A

• Are we required to record the meter readings?

  Yes

  No

  N/A

PRODUCTS USED

• List products used on system

MAINTENANCE AND OPERATIONS MANUALS

• Are CURRENT MSDS for each product on site located in the maintenance manual?

  Yes

  No

  N/A

• Are current SMWS located in the maintenance manual?

  Yes

  No

  N/A

• Are all cooling tower cleaning and service reports on site?

  Yes

  No

  N/A

• Is the service register/log sheet up to date?

  Yes

  No

  N/A

• Are there any abnormalities in the service frequency?

• Does the customer / site have a specific log book requirement?

  Yes

  No

  N/A

• Are all log book entries up to date?

  Yes

  No

  N/A

• Photograph last pages (2) of BES log.

  Media

• Is there a weather proof cabinet for the maintenance manual?

  Yes

  No

  N/A

• Is the maintenance manual suitably located?

  Yes

  No

  N/A

• Log book location?

• Photograph of log book on site.

  Media

• Are the test results for the last three months within range?

  Yes

  No

  N/A

• Has the technician made the correct adjustments?

  Yes

  No

  N/A

• Are the past 12 months micro laboratory test certificates in the manual?

  Yes

  No

  N/A

• Is the contact information in the manual current and correct?

  Yes

  No

  N/A

• Update information:

TOWER CLEANING

• Is a detailed shut down and start up procedure available on site?

  Yes

  No

  N/A

• Is there safe access to the cooling tower for cleaning?

  Yes

  No

  N/A

• Is there safe access to the top of the tower?

  Yes

  No

  N/A

• Why is it unsafe?

• Take photos representing the lack of access.

  Media

• From visual inspection, are the drift eliminators in good condition?

  Yes

  No

  Unable to inspect

• Take photographs of drift eliminators.

  Media

• Is there any water loss evident from the tower?

  Yes

  No

  N/A

• Describe water loss?

• Take photographs of reported water loss

  Media

• Describe the general cleanliness of the CT internal surfaces?

• Describe general condition of the tower internals?

• Take photographs of tower internals.

  Media

• Is the water distribution through the cooling tower balanced?

  Yes

  No

  N/A

• Describe the general cleanliness of the cooling tower components

• Photograph tower components to demonstrate current condition, include air intake louvres, splash guards and tower basin etc

  Media

SAMPLES

• Take sample for microbiological testing (TPC & LEG)

  Yes

  No

  N/A

• TPC result

• LEG result

• Take sample for in house chemical analysis

  Yes

  No

  N/A

• Results

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?

  Yes

  No

  N/A

• Does the balance line have by-pass flow through it to ensure it is not a dead leg?

  Yes

  No

  N/A

• Take photographs of the balance lines and drain points.

  Media

• Can the drain line be easily drained and/or flushed?

  Yes

  No

  N/A

• Are there any dead legs in the system?

  Yes

  No

  N/A

• Take photographs of the dead legs in the system.

  Media

SEASONAL DEADLEGS

• Are there chiller units?

  Yes

  No

  N/A

• Number of chillers?

• Take photos of the chillers.

  Media

• Is there any impact on water flow through the chillers due to this operation or winter cycles?

• What is the Chillers cycle of operation ( from mechanical contractor or building manager)?

• Is the system a combination main chiller plant and package units?

  Yes

  No

  N/A

OHS REQUIREMENTS

• Is the electrical switch board clearly labelled to enable the plant to be safely shut down?

  Yes

  No

  N/A

• Is there a chemical spill kit available near the chemical storage area?

  Yes

  No

  N/A

• Is there an emergency eye washing facility in close proximity(<5m) to the chemical dosing systems?

  Yes

  No

  N/A

• Are PPE and hazard signs installed (chemical and others)?

  Yes

  No

  N/A

• Does the site require a risk management plan due to location or other concerns?(kitchen exhaust, smoking areas, air intake)

  Yes

  No

  N/A

• Are all chemicals appropriately bunded?

  Yes

  No

  N/A

• Are all chemical drums and bundling correctly labelled?

  Yes

  No

  N/A

OBSERVATIONS AND RECOMMENDATIONS

• Observations

• Recommendations

CLOSED LOOPS

• Add Closed Loop System

Closed Loop

• System name:

• System Volume

• Is there a dosing pot installed

  Yes

  No

  N/A

• Are the pipes feeding the dosing pot clearly identified as heating or chilled water?

  Yes

  No

  N/A

• Take a photograph of each dosing pot and pipe work

  Media

• Chemical in use

• Is the dosing pot labelled

  Yes

  No

  N/A

• Take a sample for in house chemical analysis

  Yes

  No

  N/A

• Results

SIGNATURES

• Signature:

  Sign