Thames–Coromandel, Waikato
Slip Remediation & Embankment Revegetation
Hydroseeding, Erosion Control & Revegetation
Revegetating a Repaired Thames–Coromandel Embankment
Vista Environmental Landcare completed a specialist hydroseeding project following slip remediation works at a site in Thames–Coromandel.
With structural repairs complete, the newly engineered embankment remained exposed to rainfall erosion and sediment runoff. The project focused on establishing vegetation across the repaired slope while protecting the underlying soil.
A heavy-duty hydroseeding mixture containing grasses, native species, nurse crops, mulch and tackifiers was applied using long-reach hydraulic equipment.
The site challenge
Following structural remediation, the repaired embankment was left with exposed soil vulnerable to rainfall, surface erosion and sediment movement towards nearby waterways.
The steep, newly engineered slope required a treatment that could be applied without disturbing the completed repair works.
The challenge was to protect the soil surface during early plant establishment while encouraging vegetation to develop across the repaired slip face.
What Vista completed
- Assessed the exposed embankment following completion of structural slip remediation.
- Prepared a heavy-duty hydroseeding slurry containing deep-rooting grasses, native species and fast-establishing nurse crops.
- Incorporated specialist mulch and cross-linking tackifiers to help retain material on the slope.
- Used long-reach hydraulic equipment to apply the mixture across the repaired slip face.
- Established a protective mulch and seed layer designed to reduce surface erosion and sediment movement.
- Supported revegetation of the repaired embankment as the seed mixture germinated and developed.
The project brief reports initial germination within 5–7 days, with root establishment progressing over approximately 3–5 weeks. The slope subsequently developed vegetation that helped the repaired area blend into the surrounding landscape.
Need Erosion Control or Revegetation for a Steep Slope?
From slip remediation sites and engineered embankments to exposed civil works, Vista Environmental Landcare provides specialist hydroseeding and revegetation solutions tailored to challenging ground conditions.
