A Practical Commentary on the NZS 3910
Demystifies the NZS 3910

Why Choose Our Commentary?
Our section-by-section commentary is crafted by our team of Senior Quantity Surveyors (QS) to help you master the complexities of managing changes and their financial implications in construction contracts.
With decades of experience in variations management and cost control, our experts have broken down how to handle everything from simple scope changes to complex cost fluctuations under the latest NZS 3910.
Expert Analysis
- Written by Senior Quantity Surveyors with extensive experience in contract administration
- Based on real-world project experience and practical application
- Regularly updated to reflect current industry practices and interpretations
Clear and Accessible
- Complex legal terminology translated into plain, actionable language
- Step-by-step breakdowns of key processes and procedures
- Real-world examples that demonstrate practical application
Comprehensive Coverage
- Six detailed commentaries covering the most critical aspects of NZS 3910:2023
- In-depth analysis of each clause and its implications
- Practical examples and scenarios in every section
Project Managers
Contract Administrators
Builders
Construction Company Owners
Industry Professionals
Our Commentaries
Variations and Contract Price Adjustments
Covers Clause:9.19.29.39.49.59.69.79.89.99.109.11
Included Topics:Variations Permitted Notice of Variation Valuation of VariationsDaywork Unforeseen Physical ConditionsCost Fluctuations Provisional SumsProvisional ItemsPrime Cost Sums Contingency SumsFinal Account
Extension of Time
Covers Clause:10.110.210.310.410.510.610.7
Included Topics:Commencement of Contract Due Date for CompletionExtension of TimePractical Completion Certificate Damages for Late CompletionBonus for Early CompletionOccupancy by the Principal
Defects Liability
Covers Clause:11.111.211.311.411.5
Included Topics:Defects Notification Period Remedying of DefectsFinal Completion CertificateEffect of Final Completion CertificateWarranties and Guarantees
Getting Paid
Covers Clause:12.112.212.312.412.512.612.712.8
Included Topics:Contractor's Payment ClaimsProgress Payment SchedulesRetention MoniesFinal Payment ClaimsFinal Payment SchedulesEffect of Final Payment ScheduleInterest Goods and Services Tax
Disputes
Covers Clause:13.113.213.313.4
Included Topics:Resolution of DisputesMediation Process Arbitration ProceduresActions During Disputes
Frustration, Default and Termination
Covers Clause:14.114.214.314.3
Included Topics:Frustration of ContractDefault by the Contractor Default by the PrincipalService of Notices