Erosion and Sediment Control Plan – Karangahape Station
2.
Karangahape Early Works
2.1
Overview of Works
Early works will be undertaken at the new Karangahape Station site to enable and provide for the subsequent main construction works. The early works are detailed in the CEMP. An overview of the works is provided in Table 2-1. Table 2-1: Overview of Karangahape Early Works
Works location
Overview of construction activities
Beresford Square / Pitt Street
Relocation of network utilities located within the footprint of the new Karangahape Station in Beresford Square / Pitt Street; Removal of street trees and the demolition of the café / toilet in Beresford Square; Establishment of the Beresford Square Construction Support Area to provide site offices, construction vehicle parking, laydown areas and storage of plant and equipment etc.; Closure of Beresford Square to vehicle traffic (other than construction traffic) while retaining pedestrian and cycle access; and Removal of existing street furniture where required, such as seating and street lighting (to be replaced with temporary lighting).
Mercury Lane
Relocation of network utilities located within the footprint of the new Karangahape Station in Mercury Lane; and Establishment of the Mercury Lane Construction Support Area to provide site offices, construction vehicle parking, laydown areas and storage of plant and equipment etc.
It should be noted that the demolition of buildings and above ground structures within the Mercury Lane Construction Support Area is authorised by the CRL Enabling Work Outline Plan – Karangahape Road Demolition Works (Auckland Council reference OPW60339200), confirmed in June 2019, and does not form part of this ESCP.
2.2
Earthworks
Earthworks associated with the Karangahape Station early works will largely comprise:
Excavation associated with network utility relocations (involving open trenching using excavators and hydro vac trucks) and directional drilling; Contouring to establish the two Construction Support Areas (CSAs); and Construction of the temporary working platform in the Mercury Lane CSA.
The approximate earthwork areas and volumes required for the early works are outlined in Table 2-2.
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