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Improving drainage in Third Street, Black Rock

We're planning to construct a new stormwater drainage system in Third Street, Black Rock to help prevent local flooding during heavy rainfall. 

Third Street has a history of drainage and flooding issues which can be alleviated through drainage improvement works.

We have reviewed drainage design options in response to resident feedback and secured additional budget funding to implement a more comprehensive upgrade which will help protect private property during severe weather events. 

Scope of works

  • Underground rainwater storage on Third Street (eastern and western)
  • New drainage pipe from the middle of Third Street, east to Central Avenue, then down to Fourth Street
  • Raising 36 metres of footpath on Third Street, in front of numbers 22, 24, and 26 (including crossover and driveway adjustments for 22 and 24)
  • Replacing up to six existing drainage pits, including increasing the size and changing to grated or grated side entry pits near the low point of Third Street.
  • Installing one new grated side entry pit near 38 Third Street to reduce the load intake at the low point and improve maintenance access
  • Asphalt replacement on Third Street, between Keating Street and Central Avenue.

We have decided to implement a large box culvert storage system along with additional pipe drain solution to provide an annual exceedance probability (AEP) of 20% (1 in 5 years rain event). An AEP is the probability of an event occurring in any given year, based on the average timing of events. 

Works plan

Maps showing drainage plan for Third Street Black Rock

Proactive cleaning and maintenance

Our maintenance team has recently cleaned the Council drains, including a special clean for the drains that lead down into Third Street. To support this, we encourage property owners to also ensure regular checks of the drainage system within their property boundary to maximise drainage capacity and efficiency. 

Timeline and next steps

We completed the early works to locate the services at this site in December 2023 – January 2024.

Works to begin constructing the new stormwater drainage system begin on Monday 4 March 2024, and are expected to be completed within eight months, weather permitting.

We are working with our contractor to minimise disruption to residents as much as possible and appreciate your understanding.

What to expect during works

  • Residents will have vehicle access to their properties throughout the delivery of this project, except for short periods as required for the setting of concrete or other materials.
  • Works will be undertaken during standard construction hours on weekdays between 7 am to 6 pm and Saturdays between 9 am to 1 pm.
  • We anticipate that most of Third Street from Central Avenue to Keating Street, as well as part of Central Avenue between Third Street and Fourth Street will be closed to general vehicle traffic throughout during construction.
  •  Pedestrian access and waste collection will not be affected.
  • More detailed information about staging and impacts will be communicated to residents via letter when available.

More information

Should you have any further queries, please get in touch with Mukhlsur Rahman, Senior Project Engineer, by phone 03 9599 4680 or email mrahman@bayside.vic.gov.au
 

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