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Locating sewer/water pipelines in street ROWs

  • 1.  Locating sewer/water pipelines in street ROWs

    Posted 01-11-2018 13:13
    I am looking for other councils that have implemented changes in the location of their sewer/water pipelines to within street ROWs.  If you have made that a policy change to developers, I would like to hear from you please.  We currently have a large portion of our system located in backyards which proves difficult to access and maintain.  Currently considering changing our design policy to only street ROWs.

    Alison Ratliff
    Sewer Strategist - Sewer & Water
    Coffs Harbour City Council
    Pro Cert 2


  • 2.  RE: Locating sewer/water pipelines in street ROWs

    Posted 02-11-2018 11:44
    ​Good idea
    we are dealing with trying to replace Council assets that are under million dollar houses
    the upgrade  cost for 50m of 375 pipe to 750 pipe is 2million
    Don't go down our path
    and don't use convicts to design pipe system they have little understanding of drainage
    live a learn
    Pro Cert 2


  • 3.  RE: Locating sewer/water pipelines in street ROWs

    Posted 05-11-2018 07:54
    Okay, Michael, I'll bite...

    "and don't use convicts to design pipe system they have little understanding of drainage"
    I agree... though, I probably wouldn't recommend anyone design the pipe system if they have little understanding of drainage, whether they are a convict or not.  It is an interesting premise for a prison rehabilitation programme, but I think it might need a rethink.

    "we are dealing with trying to replace Council assets that are under million dollar houses.  The upgrade  cost for 50m of 375 pipe to 750 pipe is 2million"
    Okay, so the convicts designed an upsized sewer to 750 mm, that runs under million dollar homes?  A person can crawl through a 750 mm sewer, so clearly, this is the first step of a heist movie.  Well played, convicts.
    Pro Cert 2


  • 4.  RE: Locating sewer/water pipelines in street ROWs

    Posted 05-11-2018 07:54
    Location of retic sewer in the South East Corner of Queensland is addressed in the SEQ Code (SEQ Design and Construction Code - SEQ Sewerage Code) , specifically in changes to WSAA Sewer Code Clause 4.2.5. The intent is to try and keep sewers out of private property. The relevant parts of the Code is provdied below. Theres a similar intent with water mains (although they are easier to design ouyt of private property)


    (Sewer) .. "Easements shall be provided along the full alignment of any gravity sewers located on private property. Normally easements shall be wholly contained within the property in which the sewer is located and located centrally over the sewer. Where these criteria conflict, the SEQ-SP may permit the easement to be placed eccentrically over the sewer or the sewer to be placed centrally within a pair of parallel easements created over two adjoining lots. The minimum width of easements to be provided for gravity sewers shall be as specified in the table below and is dependent on the diameter and depth of the sewer. Where a maintenance structure (maintenance hole, maintenance shaft or terminal entry point) is located on private property, a minimum 1 m wide easement along the side boundary from the front boundary to the rear boundary, for sewerage purposes, is to be provided to facilitate access to the structure." 
    Pro Cert 2