B.W. Watermain Testing Checklist

• Audit Title

• Document No.

• Client / Site

• Conducted on

  Date

• Prepared by

• Location
  Address

• Personnel

• Water Authority Validation Officer present?

  Yes

  No
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• Personnel

Site overview

• Inspection carried out the following time

• Select date

  Date

• Principal Contractor

• Watermain Contractor

• Number of workers on site

• Weather

  Fine

  Overcast

  Raining

• Site conditions

  Dry

  Dry / Dusty

  Wet

  Wet / Saturated

• Additional site conditions:

• Further Works Required?

  Yes

  No

• All actions from previous inspection report completed

  Yes

  No

  N/A

Testing

• Testing Undertaken

  Swabbing

  Pressure
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Watermain swabbing

• Backflow prevention device installed?

  Yes

  No

  N/A

• Swabbing

Swab

• Line Swabbed

• Potable Result

  Pass

  Fail

• Photo of Swab

  Media

• Recycled Result

  Pass

  Fail

• Photo of Swab

  Media
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Watermains Pressure Test

• Has pre-testing been completed & witnessed?

  Yes

  No

  N/A
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• Witness

• Date of Witness

  Date
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• Why was it not witnessed?

• Has a copy of the pre-test paperwork been received?

  Yes

  No

  N/A

• Swabbing of the lines has been successfully completed

  Yes

  No

  N/A

• Lines flushed till running clear

  Yes

  No

  N/A

• No visual failures are evident

  Yes

  No

  N/A

• Gauges

Gauge

• Serial Number

• Calibration date

  Date

• Is there 5% PE on the job?

  Yes

  No
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Potable

• Pressure adopted

• Time started

  Date

• Time finished

  Date

• Potable pressure does not continue to drop throughout test period of 15 minutes

  Pass

  Fail
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• Was the main pumped up again?

  Yes

  No
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• Pressure adopted

• Time Started

  Date

• Time Finished

  Date

• Potable pressure does not continue to drop throughout test period of 15 minutes

  Pass

  Fail

Recycled

• Pressure adopted

• Time Started

  Date

• Time Finished

  Date

• Recycled pressure does not continue to drop throughout test period of 15 minutes

  Pass

  Fail
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• Was the main pumped up again?

  Yes

  No
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• Pressure adopted

• Time Started

  Date

• Time Finished

  Date

• does not continue to drop throughout test period of 15 minutes

  Pass

  Fail
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Potable

• Has stage been left at mains pressure overnight?

  Yes

  No

  N/A

• Time Started

  Date

• Pressure adopted

• Litres required after hour 1

• Litres required after hour 2

• Litres required after hour 3

• Litres required after hour 4

• Litres required after hour 5

• Pass if; ∆V (hour 5) ≤ 0.55 x ∆V (hour 3) + Vall

• Vall = 0.14 x L x D x H

• L = Test Length in Km

• D = Pipe diameter in metres

• H = Average test head in metres

• Test Result

  Pass

  Fail

Recycled

• Has stage been left at mains pressure overnight?

  Yes

  No

  N/A

• Time Started

  Date

• Pressure adopted

• Litres required after hour 1

• Litres required after hour 2

• Litres required after hour 3

• Litres required after hour 4

• Litres required after hour 5

• Pass if; ∆V (hour 5) ≤ 0.55 x ∆V (hour 3) + Vall

• Vall = 0.14 x L x D x H

• L = Test Length in Km

• D = Pipe diameter in metres

• H = Average test head in metres

• Test Result

  Pass

  Fail

Summary

• BW Auditors Comments

• Photo Records:

  Media

• BW Auditor

  Sign

• Site Representative

  Sign

• I confirm that all actions highlighted within this report have been completed