Design and Documentation for Tuross Head Sewerage Augmentation

Tender number: 10048321

Successful tender: GHD Pty Ltd

Address of tenderer: Level 7, 16 Marcus Clarke Street, Canberra ACT 2601

Sub contractors:

  • Vasey Consulting - Suite 3, 14 Tyrrell Street, Wallsend NSW 2287
  • Veris - Floor 2, 69 Cowper Street Wallsend NSW 2287
  • L3D - 28 Denovan Circuit, Calwell, ACT 2905

Commencement date: 11 May 2022

Duration of contract: 01 December 2023

Description of goods/services/consultancy:

Preparation of Design, Technical Specifications and Contract documentation for Construct only Tenders for Tuross Head Sewerage Augmentation. Upgrade works include replacement of pumps, electrical and telemetry system upgrades, sewer main upgrades, provision of emergency storage and power supply upgrades.

Tendered amount (Incl GST): 

Original amount: $942,141.00

Variations: $4,647.72 + $12,350.80 + $21,947.20 + $48,424.20 + $8,184.00 + $19,646.00 + $33,624.25 + $4,978.60 + $7,739.60 + $25,240.60 + $30,191.70 + $4,050.20 = $221,024.87
(including provisional sums of $84,900.00 detailed below)

Total contract amount: $1,163,165.87

Provision for variation to the amount: This contract may be subject to variation, the details of which will be declared if and when any variation occurs.

Variation 1: Change in scope, value of $4,647.72 (Incl GST)

Variation 2: Operational noise impact assessment and monitoring, value of $12,350.80 (Incl GST)

Variation 3:

  • Additional project management services related to the changes to the switch-room footprint and design
  • Structural Engineering services related to changing the cladding and roof system, incorporating the odour control within the switch-room, and amendments to the retaining wall design.
  • Mechanical and HVAC services related to additional acoustic requirements and incorporation
    of the odour control unit within the switch-room.

The value of $21,947.20 (Incl GST)

Variation 4: ASP3 design, value of $48,424.20 (Incl GST)

Variation 5: Stormwater, sewer relocation design, value of $8,184.00 (Incl GST)

Variation 6: TU07

  • Design of emergency storage tank
  • Design of a new retaining wall
  • Design of vertical extension of TU07
  • Extension of existing retaining wall and access driveway
  • Structural 3D modelling and construction documentation of the additional structures

The value of $19,646.00 (Incl GST)

Variation 7: Change in scope, value of $33,624.25 (Incl GST)

Variation 8: TU01 retaining wall redesign, value of $4,978.60 (Incl GST)

Variation 9: Additional geotechnical investigation TU04/07 , value of  $7,739.60 (Incl GST)

Variation 10:

  • Change of scope for STP TU09 and SPS TU10
  • Design and drafting of access road TU04/07

The value of $25,240.60 (Incl GST)

Variation 11: Pavement design, value of $30,191.70 (Incl GST)

Variation 12: TU03 and TU06 switchboard amendments, value of $3,149.30 (Incl GST)

Provisions for renegotiation: N/A

Method of tender: Request for Tender via NSW Government e-tendering website

Criteria of tender evaluation:

  • Price 70%
  • Non-Price 30%
    • Services delivery plan
    • Experience with recent relevant projects
    • Proposed project team

Provision for operational and maintenance services: N/A

Confidential information: This contract and its provisions are commercial-in-confidence. The exclusion of confidential information from this Register is explained on Council's contract page.

Last updated: 9 August 2023