Location

Aramsa Garden Spa - Bishan Park, Singapore

Specifications

To create an extensive green roof on a sloped metal roof that will assimilate well into the natural ambience of the Park, serve as thermal insulation barrier and minimize noise transference during periods of heavy rainfall.

Solution

Aluminium battens were anchored onto the metal sloping roof to prevent plant media movement and VersiCell drainage modules placed between the metal ribs to provide a level surface for the subsequent installation of VersiDrain 25P drainage and water retention trays. A geotextile filter fabric was positioned over the VersiDrain 25P drainage and retention trays and EnviroMix GR lightweight inorganic planting media placed on the filter fabric. Locally sourced low maintenance plant species selected for their hardiness, colour, height and ability to tolerate high tropical rainfall followed by hot and dry periods were planted.

Location

HDB Car Park - Punggol, Singapore

Specifications

To provide a range of products to facilitate the establishment of an extensive green roof on a re-inforced concrete rooftop of the Car Park that is attractive and offers effective thermal insulation to reduce urban heat island effects.

Solution

VersiDrain 25P drainage and water retention trays were installed over Evalon, a highly UV and root resistant thermoplastic sheet waterproofing membrane. Geotextile was laid over the VersiDrain 25P and EnviroMix GR lightweight inorganic planting media positioned evenly on top followed by planting of various drought tolerant and colourful plant species arranged in attractive patterns. Rainwater retained by the trays during wet periods, is returned to the planting media by capillary action, during dry spells to maintain healthy plant growth.

Location

Aramsa Garden Spa - Holland Drive, Singapore

Specifications

To provide a range of products to facilitate the establishment of an extensive green roof on a re-inforced concrete rooftop of the Car Park that is attractive and offers effective thermal insulation to reduce urban heat island effects

Solution

VersiDrain 25P drainage and water retention trays were installed over Evalon, a highly UV and root resistant thermoplastic sheet waterproofing membrane. Geotextile was laid over the VersiDrain 25P and EnviroMix GR lightweight inorganic planting media positioned evenly on top followed by planting of various drought tolerant and colourful plant species arranged in attractive patterns. Rainwater retained by the trays during wet periods, is returned to the planting media by capillary action, during dry spells to maintain healthy plant growth.

Location

Republic Polytechnic, Singapore

Specifications

To provide waterproofing membrane protection and efficient sub-soil drainage under llandscaped roof areas on the 20ha site of the campus.

Solution

VersiCell lightweight interlocking drainage modules were positioned over Evalon thermoplastic waterproofing membrane, after which a geotextile filter fabric was installed over the drainage modules and growing media placed on the geotextile. VersiCell provided protection to the waterproofing membrane and easily withstood the weight of equipment used during the subsequent installation growing media. VersiCell modules provide the necessary cavity beneath the planted areas to efficiently discharge excess sub-soil water and prevent water-logging on the landscape roof. The resultant lush greenery on the campus grounds has earned the Polytechnic the nickname of "Campus in the Park".

Location

Singapore Flyer - Marina Bay, Singapore

Specifications

To provide efficient drainage of excess subsoil water from planter boxes on the top deck and perimeter rim and landscaped centre courtyard of the terminal building and on the intensive green roof of the adjoining car park.

Solution

VersiCell interlocked modules were positioned over Evalon thermoplastic waterproofing membrane in open landscaped areas and on the inner walls of planter boxes. The modules were covered with geotextile, planting media and turf and plant species installed. The large green roof area substantially reduces radiant heat resulting in a cooler building and provides an aesthetically pleasing environment for functions held on the landscaped car park rooftop as well as on the landscaped green areas of the terminal building.