Derby Street Upgrade

Derby Street South: Before & After Construction

Derby Street North: Before & After Construction

Project Summary

CWC delivered the pre-construction design, environmental services and construction management for the upgrading of two key sections of Derby Street in Walcha, the primary gateway from the south and north into the regional NSW North Tablelands township.

The project involved significant collaboration with Walcha Council and the community to achieve a practical, affordable outcome with the planned upgrade works that will serve to enhance the safety, amenity and character of Walcha.

Services provided included detail survey, geotechnical investigations, detail design development for the road upgrade including watermain relocation design, stormwater assessment/design, landscape design, utility relocation design coordination, the preparation of environmental approvals (REF), construction tender documentation and managing the construction tender phase for the first phase of works.

The Derby Street upgrade project involved a challenging balance of competing engineering technical requirements and community expectations against overall budget availability. CWC worked closely with Council to develop and refine the design efficiently to ensure each of these items were considered, adding significant value to the process.

Construction of the first phase of delivery commenced in late 2024, with completion of works achieved in May 2025. As part of CWC’s end-to-end service, we provided construction supervision & contract administration lead (as Principal’s Authorised Person) for Council.

Delivered by Collins Williams

  • Detail Survey (including boundary definition and POSI work)

  • Geotechnical investigations

  • Drainage investigations, including Flood Impact Assessment

  • Detail Design Development (including watermain design)

  • Stormwater Assessment and design

  • Landscape Design

  • Utility relocation design coordination

  • Road Safety Audits

  • Construction Cost Estimates

  • Environmental Approval (REF)

  • Construction Tender documentation

  • Management of Construction tender phase

Design Value:

$540k

Phase 1 Construction Value:

$6.5M

Total Construction Estimate:

$12M

Project Manager
Chris Pell

Design Manager
Hayden Williams

Lead Designer
Rowan Dew

Drafting Lead
Scott Hail

A simplified artistic rendition of the area around the Derby Street area, with the upgraded sections highlighted.
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