Scottish Water Sewerage Survey and Asset Flow Services

RPS undertook a comprehensive series of sewerage survey works for Scottish Water, providing valuable information on assets and flow conditions for a large Integrated Catchment Model in Dunfermline, Scotland. Using our innovative platform, InfoNet, we were instrumental at every vital stage in this project, from initial briefs to site drawings/sketches and other vital documentation, method statements or risk assessments.

Key details

Client:

Scottish Water

Location:

Dunfermline, Fife, Scotland

 

Services provided:

  • Flow and rainfall surveys
  • Asset surveys 
  • CCTV surveys

Challenge

With most of the survey locations being on public highways, entry notifications for them, as well as asset entry, were required. There were extensive restrictions to road access to consider and traffic management was a key part of the delivery of this project. Buildings, private residences and riverbanks required additional planning and consent. Within older parts of Dunfermline, deep manhole chambers (that were unknown to Scottish Water at the scoping stage) created additional challenges. Local and regional events also had to be factored in, lest they affected access to the working areas.

We also regularly reviewed Symology, the roads noticing management system, to conform to any highway restrictions that would affect third party programming.

Drain.jpg

Solution

RPS carried out traffic management in accordance with the New Roads and Street Works Act (NRSWA) 1991, meeting or exceeding all mandated requirements.

We produced Traffic Management Plans for all locations and submitted them to Scottish Water and the NRSWA Team for approval, as well as the local authority. We prepared and managed all permits, orders and related traffic management requirements, to help deliver our programme. Any access restrictions or conflicts were immediately identified and cited to the Project Manager and were considered when programming the remaining elements of the survey works.

For any suspected deep chamber sites or where the type of chamber was unknown, RPS undertook a “Lift & Look” survey along with the consultant. This allowed further scoping and made it easier to use additional Confined Space Entry safety measures, through site-specific risk assessments.

Result

Having recognised access restrictions as a major risk early, RPS carried out an extensive programme of pre-survey enabling visits, to locate assets and provide information to our office-based planning team.

When we located and identified these restrictions or complex entries, we planned for a specialist sub-contractor to manage traffic and road closures and obtain any necessary approvals in advance.

We ensured that the traffic management system was kept continually updated and inspected, to be in line with any changes or alterations to the traffic management plans. We also provided photographic records of compliance on request from the Project Manager, adding value and reducing risk for our client.

 

 

Our complete survey statistics

135
Flow monitors - Velocity and Depth
64
Rain gauges
12
CSO Surveys
26
Pumping Station surveys
10
Pump Run Time Monitors
587
Manhole Surveys
750
Dual Manholes (Lift and Looks)
30
Kilometres of distance covered with CCTV surveys

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