1888

The Ben Buckler Sewage Chimney [“The Chimney”] also known as the Bondi Sewer Vent is a notable historical landmark located at Military Road in North Bondi. It stands prominently at Ben Buckler Point, near the Bondi Wastewater Treatment Plant. It was designed by the Metropolitan Board of Water Supply and Sewerage and is part of the larger Bondi Ocean Outfall Sewer system [BOOS], which was a pioneering project in Sydney’s sewage management.

In the late 19th century, Sydney was facing severe pollution issues as sewage was being discharged directly into Sydney Harbour. This led to the need for a more effective sewage disposal system. The BOOS was designed to serve the inner city and nearby suburbs and to intercept and divert the sewers draining into Sydney Harbour. At that time, sewerage treatment was virtually unknown, surf bathing was against the law between 8.00am and 8.00pm and Bondi was a wild place of coastal scrub, sand hills and lagoons, the perfect place to dispose of the city's sewerage.

The Chimney was originally constructed in 1888 as a brick structure with its primary purpose to ventilate the sewers and prevent the air inside from becoming dense and hazardous. It stood 16.92 metres tall with a dimension of 3.7 metres x 1.5 metres. However, the bricks soon developed cracks and flaws and in 1910 a new structure was built to be more durable and resistant to the harsh conditions caused by hydrogen sulphide [H2S] gas. Built of reinforced concrete, the chimney is cylindrical, tapering slightly as it rises. The concrete shaft is supported by a pedestal, giving it a sturdy base and it features a cast iron cap at the top.

Over the years, numerous repair works including substantial steel bands have been fitted to all parts of the shaft and in more recent times decorative lights, lightning conductors and numerous appendages have been fitted. Immediately to the south of the base is a series of concrete access lids to the chamber below with three steel vents and cowls probably dating from the mid to late 20th century. A painted brick access structure is located to the south-east of the shaft, which has a flat concrete lid and would also date from the mid to late 20th century. A chain wire mesh fence surrounds the base of the vent shaft which dates from the late 20th century.

Ben Buckler Sewage Chimney is now a heritage-listed structure, recognized for its historical significance and engineering achievement. The chimney was listed on the New South Wales State Heritage Register on 15 November 2002. The heritage listing ensures the preservation of this important piece of infrastructure, acknowledging its role in the development of Sydney’s sewerage system and its unique architectural features. This iconic chimney is not just a piece of infrastructure but a symbol of the advancements in public health and urban planning in Sydney. It played a crucial role in reducing pollution in Sydney Harbour and improving the overall sanitation of the city.

Whether you are a history buff, an architecture enthusiast, or just looking for a picturesque spot to relax, the Ben Buckler Sewer Chimney is worth a visit.

Courtesy the Waverley Library Local Studies Collection.