Experience

The register

Showing 13 of 13 projects.

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  Snowy 2.0 Pumped Hydro Scheme

  Snowy Mountains, NSW, 2024. Advisory.

  Client

  Snowy Hydro

  Role

  Commercial Manager, Principal-side procurement review

  Contract

  FIDIC EPC/Turnkey (Silver Book) 2017, heavily amended

  Value

  $12bnBasis: Public project cost announced by Snowy Hydro, August 2023

  Embedded in Snowy Hydro's Snowy 2.0 commercial and procurement team, working with the EPC contractor through the Principal's approval of its subcontract and supply packages, from modular accommodation, formwork and precast propping to surge shaft hoists, rock bolts, plant maintenance and cement supply. For each package SUMIT checked that the subcontract conditions were appropriate, that the pricing represented value for money, and that every document the procurement policy required for Principal approval had been provided. The largest review covered the formwork, reinforcement and concrete placement packages at Tantangara and Talbingo.

  Findings and recommendations on tender competition, pricing structure and clarification control presented to Snowy Hydro's Snowy 2.0 procurement leadership.

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  Major regional shopping centre redevelopment, Sydney

  Sydney, NSW, 2026 (continuing). Advisory.

  Client

  Tier 2 builder

  Role

  Commercial and contracts support, head contract start-up and package procurement

  Contract

  Lump sum design and construct head contract; amended AS 4903 subcontracts

  Value

  $350m+Basis: Executed head contract value

  Commercial and contracts support as the builder moved from early contractor involvement to an executed lump sum D&C head contract. Supported procurement of the major trade and services packages, advised on head contract clarifications, latent conditions and subcontract flow-downs, and built the head contract obligations register and start-up notice pack.

  A start-up notice pack of 27 templates and 21 letters handed to the builder's project team, drafted from a 1,175-item head contract obligations register.

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  Rail systems nominated subcontract, South East Queensland

  South East Queensland, 2026. Advisory.

  Client

  Tier 1 contractor

  Role

  Commercial advice to the project team; nominated subcontracts and procurement

  Contract

  Nominated subcontract and DPC deed (ETCS Level 2); Qld BIF Act

  Value

  c. $140mBasis: Approximate nominated subcontract value

  Commercial advice to a Tier 1 contractor's project team on three key nominated subcontracts for a digital rail radio network supporting ETCS Level 2, with network, mission-critical software and monitoring suppliers. These were technology companies, not typical construction subcontractors, so SUMIT drafted and negotiated a bespoke supply, software licence and support agreement to capture the software and licensing terms and align them with the upstream contract's requirements.

  A bespoke supply, software licence and support agreement issued, the network supply deed's conditions precedent satisfied, and a 630-item obligations register in place.

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  Retirement living development, South West Sydney

  South West Sydney, NSW, 2026. Advisory.

  Client

  Tier 2 builder

  Role

  Commercial Manager, award and mobilisation

  Contract

  AS 4902-2000 design and construct, heavily amended

  Value

  c. $110mBasis: Approximate contract sum

  Commercial Manager through award and mobilisation of a multi-storey over-55s residential development under a heavily amended AS 4902: executed all six design consultant novations, drafted scopes and special conditions, and set up the notice and time-bar regime.

  Tendered and procured the early critical subcontract packages, including the building services, with forecast gains on each package secured through negotiation.

• 

  SOPA payment claim and adjudication for a Tier 1 contractor, Sydney

  Sydney, NSW, 2025. Advisory.

  Client

  Tier 1 contractor

  Role

  Commercial and claims consultant, payment schedule and adjudication response

  Contract

  Subcontract under the NSW SOP Act

  Value

  Not stated

  Brought in to prepare a Tier 1 contractor's payment schedule in anticipation of adjudication. A respondent cannot raise new reasons in its adjudication response (SOP Act s 20(2B)), so SUMIT made sure the schedule set out every reason for withholding payment, with the supporting documents the timeframe allowed. When the subcontractor applied, SUMIT prepared the further supporting documents and justification for each response, working with the contractor's in-house legal team and external counsel.

• 

  Defence, rail and water contract portfolio

  NSW, WA and SA, 2025. Advisory.

  Client

  Specialist engineering contractor

  Role

  Commercial and contracts lead

  Contract

  Defence subcontracts; NEC4; rail major works

  Value

  PortfolioBasis: Portfolio of live contracts; Defence values are not published

  Commercial and contracts lead across a specialist engineering contractor's Defence, rail and water contracts in NSW, WA and SA. Drafted new bespoke subcontracts and supply agreements with their flow-down provisions, notice templates for every major contract and a contract administration guideline, and reviewed tender contracts, payment claims and final accounts.

  Bespoke subcontracts and supply agreements with flow-down provisions, and notice templates for every major contract.

• 

  Waterloo Station, Sydney Metro City and Southwest

  Waterloo, Sydney NSW, 2021 to 2022. Advisory.

  Client

  John Holland

  Role

  Commercial and claims consultant

  Contract

  Bespoke Sydney Metro contract

  Value

  $450mBasis: Contract value, as published

  Developed the commercial strategy for more than $100m of John Holland's COVID-19 head contract claims on a $450m metro station, assembled the evidence and basis of claim for extension of time, prolongation and acceleration, and negotiated the key positions with the Principal: valuations, calculation methods and terms for the Principal's acceleration directions.

  Both sides' senior leadership settled the COVID-19 claims by deed of release and amendment, on the valuation and calculation positions SUMIT negotiated.

• 

  Bango, Coopers Gap and Silverton wind farms

  Southern Tablelands NSW; South Burnett QLD; Silverton NSW, 2019 to 2020. Advisory.

  Client

  GE

  Role

  Commercial Manager (Bango, all commercial matters); LD exposure analysis (Coopers Gap and Silverton)

  Contract

  EPC contracts; balance of plant subcontract

  Value

  $369m, $850m and $342mBasis: Bango and Silverton EPC contract prices; Coopers Gap contract value as published

  Ran all commercial matters for GE on the 46-turbine Bango Wind Farm, including variations, EOT, delay and acceleration claims with the balance of plant contractor and LD and acceleration modelling. On Coopers Gap and Silverton, tested the generation-based LD calculation method and the offsets for constrained generation to limit the contractor's exposure.

• 

  Austral Leppington Wastewater Stage 3

  South West Sydney, NSW, 2023. Advisory.

  Client

  West Region Delivery Team (for Sydney Water)

  Role

  Commercial Manager

  Contract

  NEC4 ECC Option C (target cost)

  Value

  $150mBasis: Project value, as published

  Led all commercial management on the largest project in WRDT's 10-year Sydney Water framework: compensation events for subcontract and self-perform works, a full financial review and re-baselined cost to complete, and NEC4 policy, procedures and training, educating the project and leadership teams on NEC4 and how it differs from the Australian Standard forms.

  Cost to complete re-baselined and NEC4 commercial controls rolled out across the framework.

• 

  Cox's River Road Upgrade and Heathcote Road Upgrade

  Little Hartley and Holsworthy, NSW, 2024. Advisory.

  Client

  Ertech

  Role

  Commercial adviser and claims consultant

  Contract

  GC21 (Edition 2)

  Value

  $110m and $85mBasis: Contract values, as published

  Reviewed costs and records to identify, quantify and support unclaimed variations and delay costs on two TfNSW road upgrades, including bridge reinforcement changes, provisional sums, utility clashes and tie-in works, and prioritised the high-value claims for negotiation.

  Claim estimates and reports prepared to set the contractor's negotiation position with TfNSW.

• 

  More Trains More Services Stage 2

  Sydney, NSW, 2021. Advisory.

  Client

  John Holland

  Role

  Commercial Manager

  Contract

  Transport for NSW head contract

  Value

  $300mBasis: Contract value including variations

  Commercial Manager on the T4 and T8 line works, leading the T8 tunnelling, substation and airport tunnel upgrades: procurement and subcontractor management, and identification, preparation and submission of head contract claims, including variations and extensions of time.

• 

  Edmondson Park Town Centre Stage 1 (Ed.Square)

  Edmondson Park, NSW, 2019 to 2020. Advisory.

  Client

  Probuild

  Role

  Senior Contract Administrator, leading the subcontract commercial team

  Contract

  Design and construct head contract

  Value

  $275mBasis: Contract value including variations

  Managed head contract variations and value management, negotiated and procured key subcontract trades, and led the subcontract commercial team on a retail centre with 309 apartments above.

• 

  Pre-contract and tender reviews

  NSW and QLD, 2022 to 2026. Advisory.

  Client

  Tier 1 and specialist contractors

  Role

  Commercial and contract risk assessment

  Contract

  Tender policy; AS 4300; Tier 1 subcontracts

  Value

  TendersBasis: Tender reviews; no contract value

  Commercial and contract risk assessments of a Tier 1 rail and infrastructure contractor's tenders against its tender policy, covering 85 policy items across 28 areas: the departures to seek from clients and the approvals needed for positions outside policy, including on an incentivised target cost works deed. Twelve tender contract and subcontract reviews for a specialist engineering contractor, and reviews of a shotcrete subcontract on Sydney Metro West and an AS 4300 specialist disability accommodation fitout in Western Sydney.

  The departures to seek and the approvals needed identified before each bid was submitted.