Closed
Wetlands Water Quality Improvement Works- Coolibah Reserve, Bardwell Valley
Tender ID: 419331
Tender Details
Organisation:
Tender #:
F20-225
Status:
Closed
Publish Date:
28 April 2020
Closing Date:
26 May 2020
Tender Description
Description: Bayside Council invites suitably qualified and experienced companies to submit a tender for Wetland Water Quality Improvement Works in Coolibah Reserve, Bardwell Valley. The works include creek diversion through the installation of sheet piling with a concrete capping beam and specialised planting.
The works include but not limited to the following:
- Diversion of baseflows into wetland upstream of existing concrete weir on Bardwell Creek;
- Removal of sediment in backwatered lagoon;
- Creation of vegetated wetland to treat baseflows and remove nutrients;
- Removal of weeds and vegetation on earth bund;
- Protection works for concrete weir-creek crossing apron;
- Construction of bank retaining structure;
- Landscape features to provide landscape amenity; and
- Commissioning, establishment and maintenance of the civil, landscaping and planting works.
The purpose of the Works is to:
- Treat baseflows from Bardwell Creek;
- Improve the quality of urban stormwater runoff discharging into Wolli Creek;
- Improve amenity and create habitat through planting; and
- Protect existing built structures and endangered ecological community on the island
Location
Category
Building & Facility Construction & Maintenance Services
:
Landscaping
Civil Construction Services : Airport Runways & Taxiways : Civil & Earthworks (General)
Horticulture & Arboriculture : Horticultural Services : Seedlings & Shrubs & Plants : Vegetation Control & Management : Weed Control & Management
Water & Sewage : Sewer & Drain Maintenance & Rehabilitation
Civil Construction Services : Airport Runways & Taxiways : Civil & Earthworks (General)
Horticulture & Arboriculture : Horticultural Services : Seedlings & Shrubs & Plants : Vegetation Control & Management : Weed Control & Management
Water & Sewage : Sewer & Drain Maintenance & Rehabilitation
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