STW Non Numeric Inspection

• Document No.

• Audit Title

• Client / Site

• Conducted on

  Date

• Prepared by

• Location
  Address

• IF SITE CONDITIONS MAY LEAD TO CCS AUDIT FAILURE TAKE IMMEDIATE CORRECTIVE ACTION WHERE POSSIBLE OR REPORT TO SITE OWNER
  

Inlet Works / Storm Treatment

• Flow

• Are there any signs of blockages from rag or grit?

  Yes

  No

  Not Applicable

• Screens

• Are the screens working effectively?

  Yes

  No

  N/A

• Crude Sewage Sample Point

• At the agreed location and clearly labelled?

  Yes

  No

  N/A

• Is sample representative?

  Yes

  No

  N/A

• Storm Tanks

• All available, drained and clean?

  Yes

  No

  N/A

• Return automatically or manually. Is it working correctly and are all assets available?

  Yes

  No

  N/A

• Storm Screening

• Available and effective to meet permit?

  Yes

  No

  N/A

• Storm Sampling Point

• At the agreed location and clearly labelled?

  Yes

  No

  N/A

• Storm Handling

• Are there any abandoned assets on site that are a permit requirement?

  Yes

  No

  Not Applicable

Primary Treatment

• PSTs

• Is there evidence of significant solids carry over?

  Yes

  No

  Not Applicable

• Tanks in good working order? <br>Scum Boards in place ? No structural issues and sludge scrapers appear to be working?

  Yes

  No

  N/A

Secondary Treatment

• Distributors

• Distributors working effectively?

  Yes

  No

  N/A

• Significant vegetation growth on beds?

  Yes

  No

  Not Applicable

• Evidence of ponding on filters?

  Yes

  No

  Not Applicable

• RBC / BAFF / SAF

• Package plant appears to be operating correctly? <br>RBC rotating?<br>Blowers operational?

  Yes

  No

  N/A

• Aeration System

• Dissolved oxygen readings indicate that the aeration system is operating satisfactorily?

  Yes

  No

  N/A

• Activated Sludge Process

• Significant scum or foam on the surface of ASP/Ditch/FST?

  Yes

  No

  Not Applicable

• Are MLSS and Golden Measure records available on site?

  Yes

  No

  N/A

Final Settlement

• Final Settlement / Humus Tanks

• Is there evidence of excessive carry over of solids?

  Yes

  No

  Not Applicable

Tertiary Treatment

• Tertiary Treatment Plant

• Is there evidence of excessive carry over of solids from the tertiary process?

  Yes

  No

  Not Applicable

• Disinfection and Dosing

• Is this in accordance with Discharge Permit?

  Yes

  No

  N/A

OSM / UWWTD Sampling

• Final Effluent Sample Point

• At the agreed location & clearly labelled?

  Yes

  No

  N/A

• Will representative sample be obtained?

  Yes

  No

  N/A

• Signs in place for 2 tier permit?

  Yes

  No

  N/A

• UWWTD

• UWWTD auto samplers suitable and MCERTS certified?

  Yes

  No

  N/A

Flow Measurement

• Is the flow measurement device operating and is the read out visible?

  Yes

  No

  N/A

• Is flume or weir free from debris, organic growth, scum and grit both upstream and downstream?

  Yes

  No

  N/A

• Is the sensor head clean?

  Yes

  No

  N/A

• Is there a tranquil approach to the flow measurement device with minimal surface chevrons?

  Yes

  No

  N/A

Pumping Stations

• Is there standby pump facilities provided if required by the permit?

  Yes

  No

  N/A

Other Equipment

• Telemetry

• Does the site have a telemetry system to indicate breakdown?

  Yes

  No

  N/A

• Power

• Standby Generator available?

  Yes

  No

  N/A

Environmental Impact Assessment

• Storm Discharges

• Is there sewage derived debris downstream of storm discharges?

  Yes

  No

  Not Applicable

• Is there ‘sewage fungus' downstream of storm discharges?

  Yes

  No

  Not Applicable

• Final Effluent Discharge

• Is there ‘sewage fungus' downstream of the final effluent discharge?

  Yes

  No

  Not Applicable

• Outfall

• Are Headwalls in good condition?

  Yes

  No

  N/A

• Is access to Outfalls available?

  Yes

  No

  N/A

• Site Discharge Permit

• Is a copy of the permit limits available on site? Do you know where to find the Permit?

  Yes

  No

  N/A

• IF SITE CONDITIONS MAY LEAD TO CCS AUDIT FAILURE TAKE IMMEDIATE CORRECTIVE ACTION WHERE POSSIBLE OR REPORT TO SITE OWNER