ORCA Drain by Weldlok is a technical range of Australian-designed polymer concrete drainage channels available from NEPEAN Building and Infrastructure, developed to provide a reliable water management solution. Based on the finest materials and latest technology, this range has been developed with excellent hydraulic performance and durability to cater for maximum loads. Quality-compliant, ORCA Drain is designed in adherence to the required load capacity, pedestrian tolerances, and bicycle safety as per AS 3996-2006 for access covers and grates. NEPEAN categorises ORCA Drain Polymer Concrete Drainage Channels into three main product families:
- Multipurpose GAL (ORCA GV) – galvanised steel edge polymer concrete channels and grates for multipurpose use.
- Architectural Stainless (ORCA SV) – stainless steel edge polymer concrete channels and grates for architectural or corrosion resistant areas.
- Industrial Cast Iron (ORCA CV) – cast-iron edge polymer concrete channels and grates for heavy industrial or areas with fast-moving traffic.