Heritage retrofit at 40-44 Drews Avenue, Whanganui

Key Services

Our Structural Engineers worked with Drawing Room Architecture on the seismic retrofit design for neighbouring buildings at 40 and 42-44 Drews Avenue. These buildings where constructed in 1900 and 1921 respectively and add to the portfolio of heritage buildings we have worked on in Whanganui. The services we provided included:

  • Desktop review of the property information and detailed investigation of the as-built condition.

  • Detailed Seismic Assessment calculations (DSA) to determine the seismic rating of the primary structural elements and to identify the critical structural weaknesses.

  • Prepared concept and detailed seismic retrofit designs to increase the seismic rating of the building to 67% NBS.

  • Provided PS1 structural designs for building consent and construction.

  • Construction monitoring inspections and provision of technical support and designing solutions to contractors as required.

  • PS4 producer statement on completion of works.