VivoCity

VivoCity

Location

VivoCity – Singapore

Specifications

To provide sub-surface drainage beneath planted areas and also waterproofing membrane protection on the roof.

Solution

VersiCell drainage modules were installed to provide the cavity beneath the landscape roof to facilitate efficient sub-surface drainage. An open surface design and high internal void enables VersiCell to rapidly capture and transport excess water preventing the planted areas from becoming waterlogged.

 

VersiCell modules interlock to form large panels ensuring that they stay securely in place, especially necessary for the larger areas. It also provides a protection layer for the waterproofing membrane, prolonging its serviceable life.
The landscape roof incorporating a tropical island resort-like feel with many coconut trees has played a pivotal role in helping VivoCity to win the inaugural SIA-NParks Skyrise Greenery Award.

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HDB Car Park Roof @ 180 Edgefield Plains

Location

HDB Car Park Roof @ 180 Edgefield Plains – Singapore

Specifications

To provide sub-surface drainage beneath planted areas on the intensive green roof as well as protection for the waterproofing membrane.

Solution

VersiCell® drainage modules were installed to provide a drainage cavity beneath the geotextile filter fabric layer and the planting soil above. Its open surface design and high internal void enables VersiCell® to rapidly capture and transport excess water after heavy rains, preventing the roof from becoming waterlogged.

 

High compressive strength allows its use under the trafficable and the heavy load-bearing areas of the roof. Additionally, the modules also provide a protection layer for the waterproofing membrane, prolonging its serviceable life.
The landscape roof mitigates urban heat island effect by sheltering the car park roof from the sun, reducing surrounding ambient temperature. Transference of heat to the car park level immediately below is also consequently reduced. The landscaped roof installed, with numerous large and shady trees, resembles a wooded country garden. It is aesthetically pleasing and provides additional shaded amenity and recreational space for the residents in the vicinity to enjoy.
The landscape roof also offers environmental benefits by acting as an air and chemical filter. Stormwater runoff is filtered at source, prolonging its residence time, thus alleviating downstream flooding.

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HDB Car Park Roof @ 88 Tanglin Halt Road

Location

HDB Car Park Roof @ 88 Tanglin Halt Road – Singapore

Specifications

To provide the intensive roof system to enable the establishment of a landscape roof on the roof of the car park.

Solution

VersiCell drainage modules provide a drainage cavity beneath the geotextile filter fabric layer and the planting soil above. An open surface design and high internal void enables VersiCell to rapidly capture and transport excess water, preventing water-logging. The high compressive strength of the modules allows its use under trafficable areas. The drainage modules also provide a protection layer for the waterproofing membrane, a root-resistant fully adhered layer of Evalon PVC/EVA terpolymer membrane, prolonging its serviceable life.
The landscape roof enhances urban aesthetics as residents in the vicinity as well as commuters from the neighbouring MRT Station get to enjoy the view of a cool soothing green roof instead of a dull exposed hot concrete roof. Additionally, the green roof mitigates urban heat island effect in the highly urbanised HDB estate to keep the surrounding ambient temperature down.

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HDB Car Park Roof @ 28 Dover Crescent

Location

HDB Car Park Roof @ 28 Dover Crescent – Singapore

Specifications

To provide sub-surface drainage beneath planted areas as well as protection for the waterproofing membrane on the rooftop.

Solution

VersiCell drainage modules were installed to provide a drainage cavity beneath a geotextile filter fabric layer and the planting soil above. The modules’ open surface design and high internal void enables it to rapidly capture and transport excess water, preventing the roof from becoming waterlogged after heavy rains. The drainage modules also provide a protection layer for the waterproofing membrane, a root-resistant fully adhered layer of Evalon PVC/EVA terpolymer membrane, prolonging its serviceable life.
The landscape roof is not only aesthetically pleasing but also performs a vital role in reducing ambient temperature and the transference of heat to the car park level immediately below.
The landscape roof also offers environmental benefits by acting as a chemical, biological and particulate filter, filtering stormwater runoff at source, and helping to alleviate downstream problems associated with heavy downpours by prolonging residence time on the roof.

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HDB Car Park Roof @ 18 Holland Drive

Location

HDB Car Park Roof @ 18 Holland Drive – Singapore

Specifications

To provide the intensive roof system to enable the establishment of a landscape roof on the roof of the car park.

Solution

VersiCell drainage modules were installed to provide a drainage cavity beneath a geotextile filter fabric layer and the planting soil above. VersiCell with high internal void and an open surface design is able to rapidly capture and transport excess water, preventing the green areas on the roof from becoming waterlogged. The drainage modules also provide a protection layer for the waterproofing membrane, a root-resistant fully adhered layer of Evalon PVC/EVA terpolymer membrane, prolonging its serviceable life.
Both intensive and extensive green roofs were installed side-by-side on this HDB car park roof top making it uniquely attractive. Residents in the vicinity enjoy a cool and aesthetically pleasing green roof instead of a hot exposed concrete roof.
The green roofs mitigate urban heat island effect, keep surrounding ambient temperature down and reduce transference of heat to the car park level immediately below. Additionally, they also offer other environmental benefits, by acting as a chemical, biological and particulate filter, filtering stormwater runoff at source, and helping to alleviate downstream problems associated with heavy downpours.

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Marina Bay Waterfront Promenade

Location

Marina Bay Waterfront Promenade – Singapore

Specifications

To provide sub-surface drainage beneath planted areas along the waterfront promenade.

Solution

VersiCell drainage modules were installed to provide a drainage cavity beneath the planting media in the planted areas and planter boxes along the Waterfront Promenade. This facilitates the efficient drainage of excess subsoil water and prevents waterlogging especially in heavy rainfall.

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Universal Studios Singapore, Resorts World Sentosa

Location

Resorts World Sentosa , Singapore

Specifications

To provide the Green Roof system to facilitate planting on both regular low-slope reinforced concrete flat roofs and also large expanse of sloped Corus Kalzip profiled metal roofs in the park totalling 35,000 sq m.

Solution

Elmich Green Roof was chosen because the wide structural spans of the immense roofs to be greened, one of Asia’s largest, and fast track construction of the park demanded that the system selected must be light and easy to install.

 

Elmich Green Roof comprises a VersiDrain® 25P water retention and drainage layer, a geotextile filter layer and EnviroMix® GR, a primarily inorganic soil-less lightweight planting media and drought-tolerant plant species that require little or no maintenance.

 

For the metal roofs, VersiCell® structural drainage/insulation cells were used to fill the space between the metal ridges to create a flat level surface on which a separation sheet and geotextile filter fabric were installed. VersiDrain® 25P drainage and water retention trays were then installed on top and a filter fabric positioned over the trays enabling 100mm of EnviroMix® GR to be spread over the trays for the planting of selected drought-tolerant plants.

 

VersiDrain® 25P facilitates efficient drainage on the green roof. Water and nutrients stored in the cell network of the trays is returned, via capillary action, to the planting media during dry spells, sustaining healthy plants with minimal maintenance. An automated irrigation system was incorporated on the roofs for use during the initial plant establishment and also to deliver regular supply of water and nutrients to the plants.

 

 

Waterproofing for the concrete roofs is provided by a fully adhered layer of Evalon PVC/EVA terpolymer membrane, a root-resistant waterproofing membrane, also supplied by Elmich.

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Hilton Convention Centre, Melbourne

Location

Hilton Convention Centre, South Bank Melbourne

Specifications

To provide a secure decking support system and to reduce the structural weight on large outdoor terrace areas.

Solution

Supplied by Ken Hitchcock Designs and installed by 2 Construct, VersiJack eliminated the use of heavy masonry block work supports thereby substantially reducing the weight bearing load on the building structure. Another major advantage of VersiJack is that during the installation process, the membrane is not penetrated in any way. This reduces the long-term likelihood of hard-to-fix leaks occurring, which are traditionally very costly and difficult to access.

VersiJack is infinitely adjustable from 75-1000mm and incorporates a bearer support that accommodates even warped 40-80mm wide bearers.

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Customs House, Customs Harbour Branch

Location

Customs House, Customs Harbour Branch – Singapore

Specifications

To provide the Green Wall system for the installation of a 2-storey high green wall that would serve as part of a decorative façade to hide unsightly building features.

Solution

Elmich Green Wall was installed together with wooden paneling on both sides of it to effectively hide a utility stairway. The green wall enhances the aesthetic of the façade and also provides shade for the stairway. The unique set up of this installation allows the rear of the green wall, including the drip irrigation system installed, to be accessible and conveniently maintained from the stairway behind the green wall.

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HDB Hub Exhibition Gallery

Location

HDB HUB Exhibition Gallery – Singapore

Specifications

To install indoor green wall panels along the spiral stairway leading from the basement gallery to the building’s first storey.

Solution

Elmich Vertical Greening Modules (VGMs) were pre-planted in a nursery environment with plants suitable for indoor green wall installation. This ensures that the plants are firmly established and sufficiently pre-oriented to growing out of a vertical environment. The VGMs are anchored onto pilasters secured along the wall of the spiral staircase to form poster-like green wall panels.

 

A drip irrigation system is incorporated in the system and drainage trays placed below the base of the panels to collect and channel excess water. Artificial lighting, installed on the opposite facing wall and directed at the grren wall, provides the plants with adequate light for healthy plant growth.

 

The green wall poster-panels help to publicise the Housing Development Boards efforts in promoting the greening of Singapores public housing estates.

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