A giant slide, amphitheatre and playground with village green are among features of revamped plans for Marang Parklands at Greenhills.
The Department of Planning Industry and Environment has placed the environmental impact statement and accompanying documents on public exhibition.
The former sand mining site is progressively being filled with building and household waste, and completed areas will be transformed for sport and recreation.
The State Significant Development application also seeks to relocate waste processing operations to the eastern part of the site with a new "state of the art" facility.
Proposed community facilities include:
Breen Resources is moving ahead with the State Significant Development application even though it is still in a mediation process with Sutherland Shire Council, which declined the amended proposal.
The 91-hectare sport and recreation precinct is being developed under a 2010 voluntary planning agreement (VPA) between the council and landowners, Breen and Frasers Property (formerly Australand).
A skate park was completed in late 2015, followed by two synthetic hockey fields in April 2018, with the remaining playing fields and parklands due to be delivered by 2023.
The timetable was set back by Breen revising the plans.
A spokesman for Breen Resources said, subject to approvals, the parklands would be completed in November 2024, stage two of the playing field completed in July 2025 and stage three in June 2026.
A statement on the Breen website said, "This proposal does not replace the existing agreements with Sutherland Shire Council".
"This proposal is for a significantly enhanced parkland with a range of amenities, and spaces that were not part of the original VPA design," the statement says.
Neither the council nor the company has said publicly what the sticking point is with the revised plans.
Council deliberations took place in a closed session, with only the resolution made public.
The company said, "The new resource recovery facility will cut waste going into landfill, doing our part to help NSW achieve its state-wide resource recovery objectives.
"It will be built on land we already own to the east.
"The new facility will be more compact, adhere to all the latest stringent environmental regulations, and house all processing activities in enclosed buildings. It's cleaner and more efficient operations will mean we can process and recover more material, resulting in some additional inbound and outbound truck traffic."
The application will be on public exhibition until September 2.
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