Transpower
CLIENT:
2021
YEAR:
The civil and structural scope of work within the live switchyard, in a 13 stage sequence of works included the following:
Removal of existing top soil within Switchyard, and replacement with crushed rock;
Modify and make good the existing stormwater drainage and water reticulation to
Install new nib wall outside the switchyard fence, and install crushed rock;
Strengthen existing eastern and western gantry foundations;
Demolish all the old ring busbar, equipment, support structures and foundations
Demolish unused foundations
Install new primary equipment foundations;
Install new cable trenches
For new foundations, undercut an additional 500mm and restore with compacted layer
of engineered fill material
Supply and install new equipment stands;
Relocate and install existing VT4 equipment and stands;
Level the new foundations to top of existing cable trenches;
Remove redundant valve pits
Install bollards (to restrict vehicles access ways)