Safe, fast and environment-friendly The use of technology such as building information modelling and virtual design and construction, and the extensive use of precast construction have helped bring the completion of the link between Punggol Central and the Kallang-Paya Lebar Expressway forward by almost a year, as well as mitigate safety risks and minimise impact to the environment. Tampines flyover PUNGGOL EAST PUNGGOL CENTRAL T AM PINES EXPRESSWAY LORONG HALUS Temporary road linking Punggol East to KPE (ECP) A section of link road from TPE Exit 7 leading to Lorong Halus Slip road from KPE (TPE) exit to Lorong Halus HALUS LINK Punggol Pasir Ris New link road (Phase 1) opening on Nov 25 New slip road (Phase 1) opening in second quarter of next year Existing slip roads to be decommissioned on Nov 25 Phase 2 KALLANG-PAYA LEBAR EXPRESSWAY S u n g e i S era n goon Temporary falsework Sheetpiles Beam Deck slab Crosshead Column Pile cap Pile Temporary falsework Waterway Waterway Precast beam Deck slab Precast crosshead Precast column Column pile system Innovative and productive method for bridge construction across waterway (Extensive precast system) Typical conventional method for bridge construction across waterway (On-site casting) Advantages of using precast elements • Reduces need for dangerous work at height • Time-consuming erection of temporary scaffolding is also reduced • Less risk of concrete spillage into river Pasir Ris Bridge Source: LTA ST PHOTO: MATTHIAS CHONG STRAITS TIMES GRAPHICS