2025
Punggol, Singapore
Project Requirements
The 50-hectare Punggol Digital District (PDD), Singapore's largest mixed-use Green Mark Platinum District, with a strong emphasis on sustainability in its infrastructure, buildings, and rooftops. The district’s policy is based on extensive vegetation, water-sensitive design and energy-efficient technology
Sika Solutions
Communal Sky Terrace, Roof Garden, Cascading Green Terrace, Digital Canyon
SikaRoof® VersiCell® lightweight, high strength modular drainage cells were installed beneath the soil and within the planters at the communal sky terrace, roof garden, cascading green terrace, and digital canyon to facilitate efficient drainage of excess water, preventing waterlogging. Additionally, drip irrigation systems were added to ensure the health of the vegetation.
Green Communal Lawn & Campus Court (Fire Engine Accessway)
Emergency fire engine access areas were created using SikaRoof® TurfPave® XD grass pavers installed beneath the ground at the Green Communal Lawn and the Campus Court. SikaRoof® TurfPave® XD’s porous structure allows rainwater to infiltrate the ground, protecting the grass roots against compaction and effectively supporting loads imposed by large fire trucks and human traffic.
Rain Gardens (Rainwater Harvesting System)
SikaRoof® VersiTank® modules enveloped with geotextile were installed underneath the rain gardens, creating an underground stormwater detention tank (i.e. rainwater harvesting system). Rainwater is naturally filtered through rain gardens before being collected in the tank and reused for irrigating green spaces, significantly reducing the dependence on potable water. Thanks to its modular design and portability, SikaRoof® VersiTank® can be easily configured to suit the unique requirements of any site.
Products Used
Urban Greenery
Sikalastic®-680 RT GRS 2000 - Root Resistant WaterproofingMembrane
SikaRoof® VersiCell® - Sub-Surface Drainage Modules for Drainage of Landscape Features
SikaRoof® TurfPave® XD - Grass and Gravel Paver Modules for Permeable Pathways
SikaRoof® VersiTank® 555 set - Stormwater Modules for Attenuation or Storage in Landscape Features
SikaRoof® VersiJack® - Height-Adjustable Pedestals for Raised Pavers and Decking Flooring
SikaRoof® VersiWeb® - Soil Confinement Cells for Slope Stabilisation of Landscape Features
Basement Waterproofing
SikaTop®-118 K11 Flex - 2-Part Flexible Cementitious Waterproofing System
Wall & Roof Waterproofing
Sikalastic®-598 - 1-Part Liquid Applied Membrane for Wall and Roof Waterproofing
Sikalastic®-500 Acrylic Primer AP - 1-Part Water Based Acrylic Primer
Sikalastic®-3 Primer XP - Acrylic Primer
Sikalastic®-510 AP - Acrylic Water Based Liquid Applied Membrane for Roof Waterproofing
Sikalastic® U-Coating - Polyurethane Fast Drying Topcoat for Roof Waterproofing
Engineered Refurbishment
Sika MonoTop®-412 - Structural Repair Mortar for Hand Placed / Wet Spray Repair Mortar
Concrete
Sika® Formol-EX - Chemical form release agent
Sika MonoTop®-910 N - Bonding primer and reinforcement corrosion protection
Project Participants
For Punggol SIT
Owner
Singapore Institute of Technology (SIT)
Architect
WOHA Architects , RSP Architects Planners & Engineers (Pte) Ltd
Landscape Architect
Ramboll Studio Dreiseitl
Main Contractor
Kimly Construction Pte Ltd
Subcontractor
China Construction - Straits Construction Singapore Private Limited JV (SikaRoof® VersiJack® Installer)
Nature Landscapes Pte Ltd (SikaRoof® VersiWeb® Installer)
For Punggol Digital District
Owner
JTC Corporation
Architect
WOHA Architects , RSP Architects Planners & Engineers (Pte) Ltd
Landscape Architect
Ramboll Studio Dreiseitl
Main Contractor
Woh Hup (Private) Limited
Subcontractor
TEHC International Pte Ltd (SikaRoof®VersiCell® & SikaRoof® TurfPave® XD Installer)
Netatech Engineering Pte Ltd (ABC Features) (SikaRoof® VersiTank® Installer)
