StormwaterCommercialSurface drainage EcoBloc Inspect Flex
1,000 m³ detention beneath driveways at Woodglen Village
Two trafficable EcoBloc tanks replaced twin concrete structures at a retirement village.
Robson Civil / Retire Australia · Woodglen, QLD
1,000 m³
Combined OSD
2 tanks
500 m³ each
0.80 m
Driveway cover
Project data
- Location
- Woodglen, QLD
- Region
- Australia
- Sector
- Commercial
- Solution
- Surface drainage
- Product
- EcoBloc Inspect Flex
- Source
- GRAF Australia
- Purpose
- Onsite stormwater detention
- Volume
- 2 × 500 m³
- Cover
- 800 mm under driveway
- Contractor
- Robson Civil
01
Challenge
Woodglen Retirement Village needed two OSD tanks exceeding 500 m³ each. One had to sit beneath the incoming driveway with Class D grated lids and vehicle loading at 0.80 m cover.
02
Solution
GRAF designed twin EcoBloc Inspect Flex tanks with perimeter inspect channels and Vario shafts. Robson Civil completed both tanks in four weeks with full trafficable loading.
03
Outcomes
- 1,000 m³ combined detention capacity
- Driveway tank rated for resident vehicle traffic
- Inspectable channels for long-term maintenance
Project Gallery
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1,000 m³ detention beneath driveways at Woodglen Village