Specialist proceedings experience
Claims, quantum and ADR experience
Both Sam and John support claims, arbitration and other forms of alternative dispute resolution. Their experience spans forensic delay analysis, contractual claims, quantum expert work and statutory adjudication. Examples below follow the adviser filter.
Delay arbitration supportLead delay analysis in arbitration proceedings
Sam has acted as lead delay consultant in arbitration proceedings, providing forensic programme and delay analysis to support dispute resolution.
Sam Nason · Prior experienceClaims and entitlementExtension-of-time and disruption claims
Sam has advised on EOT claims, disruption and delay causation, integrating contractual requirements with programme evidence and contemporaneous project records.
Sam Nason · Prior experienceDispute strategy and expert supportIndependent delay and claims assessment
Sam has supported claims and pre-arbitration position reviews, dispute strategy and independent programme assessments for clients and legal teams.
Sam Nason · Prior experienceStatutory adjudicationClaimant representation in payment disputes
John acted as claimant representative in multiple Singapore statutory adjudications involving retention sums, progress and variation disputes, including subsequent enforcement steps.
John Leong · Prior experienceArbitration representationDefence of delay, disruption and variation claims
John acted as respondent representative in an SIAC arbitration concerning alleged delay, disruption and variation claims.
John Leong · Prior experienceQuantum expert evidenceExpert reporting and testimony on an HDB development
John prepared quantum expert reports and appeared as a quantum expert witness in arbitration concerning progress, variations, prolongation costs and loss and expense.
John Leong · Prior experienceIndependent quantum assessmentPre-proceedings review and expert-team assistance
John prepared independent quantum analysis for a Tampines precast dispute and was a lead quantum expert assistant on a waste-to-energy project in Thailand.
John Leong · Prior experience Together the advisers have experience across 10+ arbitration engagements involving delay and quantum issues. This combined figure does not mean both specialists were appointed on the same proceedings or acted jointly. Selected examples reflect individual prior roles, not instructions undertaken by Constructive Advisory, and remain subject to confidentiality and independence requirements.
