The Milton – Ulladulla Sewer Trunk Main project involves the upgrade of two sewer systems: An upgrade of an existing gravity main at Geoffrey St, Ulladulla and the construction of a new 5km long Sewer Rising Main between Milton and Ulladulla.
Project Requirements:
Construction of approximately 2000m of DN355 and 3300m of DN630 HDPE pipes including; air valves, section valves, scour valves, thrust blocks, road crossings (thrust bored), under boring (HDD) and connection to the existing Ulladulla WWTP inlet works.
Construction of 250m of DN450 SewerMax gravity main in Geoffrey Street Ulladulla including manholes and connections to existing infrastructure to replace the existing DN375 AC main.
Installation of flowmeter, pressure transducers and associated reinforced concrete pits for flow measurement and leak detection.
All necessary clearing works within the construction corridor to allow for successful installation of the new pipeline.
Excavation, bedding, laying, backfill and compact and reinstatement of open trench sections of the pipeline.