Rural Dwelling and Cabins – Structural and Wastewater – Twizel – 2016 Construction Services, Design Services Structural design for foundations, roof beams and bracing. High wind zone. SIP Panel construction. Skills Posted on October 2, 2017 ← Maidstone Road House – Medical Conversion – Ilam – 2015 Hackthorne Road House – Pole Foundation Design – Cashmere – 2017 →