As Principle contractor, Salix constructed a 3 hectare wetland system to provide waste water treatment and habitat creation. 18 integrated ponds, wet grassland, reedbeds and ditches were constructed for Twycross Zoo.

Established wetlands at Twycross
Construction of Sub Surface Flow Reedbeds
Excavation of treatment ponds
SSF Reedbeds After Completion
Floating island inlet treatment
Floating Reedbed establishment after 4 months
Reed Establishment in Reedbeds after 9 months
Floating Reedbed inlet after 12 months
Completed treatment ponds
Treatment Ponds
Treatment ponds after 6 months
Twycross Zoo wetland project 13 years on
Established wetlands at Twycross
Construction of Sub Surface Flow Reedbeds
Excavation of treatment ponds
SSF Reedbeds After Completion
Floating island inlet treatment
Floating Reedbed establishment after 4 months
Reed Establishment in Reedbeds after 9 months
Floating Reedbed inlet after 12 months
Completed treatment ponds
Treatment Ponds one month after planting
Treatment ponds after 6 months
Photo taken 13 years on

As Principle contractor, Salix constructed a 3 hectare wetland system to provide waste water treatment and habitat creation. Eighteen integrated ponds, wet grassland, reedbeds and ditches were constructed for Twycross Zoo.

Salix were awarded the contract to construct a 3 hectare wetland system after a competitive tender process. The works were very diverse and included works undertaken internally and sub contracted elements.

The works came under CDM regulations and Salix operated as Principle Contractor. We contract grew 28,000 wetland plants consisting of over 30 different species.

Salix undertook complex earthworks comprising of bulk earthmoving (28,000m3) and micro profiling to create 18 integrated ponds, wet grassland, ditches and gravel reedbeds.

We implemented a traffic management plan and method of working to avoid impacting on the Zoo and wildlife habitats. A series of grade control structures, pipe connections and concrete outlet structures were constructed to link the wetlands.

Over 800 metres of foot path was constructed and 20,000 m2 of grassland re-established using both hydro-seeding and drill seeding techniques.

Products Used

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Details

Client: Twycross Zoo
Location: Twycross
Reedbeds & Wetlands