Holroyd Gardens Apartment Complex, Holroyd NSW.


To provide a 300m3 modular underground stormwater re-use tank system, that will withstand the weight of light maintenance equipment, under a large landscaped garden.


VersiTanks 550 modules were assembled and interlocked on site, positioned in an excavated area and enveloped with a sandwich containing an inner layer of geotextile, a low density polyethylene inner impermeable liner and an outer geotextile layer. The system covered with a 250mm soil mix, lawn and landscaped species planted withstands the weight of light maintenance equipment. Storm water from the apartment complex passes into a leaf/silt trap into the tanking system and then pumped to irrigate a large landscaped area.