Design Build Contract Template for Singapore

A Design Build Contract is an integrated project delivery method where you engage a single contractor to handle both the design and construction phases of your building project. This approach differs from traditional contracts where you would separately hire architects, engineers, and construction contractors, instead creating a unified responsibility structure that can significantly streamline your project timeline and reduce coordination complexities.

When do you need this document?

You need a Design Build Contract when you want to minimise project risks through single-point responsibility and accelerate delivery timelines. This contract type is particularly valuable for commercial developments, residential projects, and industrial facilities where design and construction integration can optimise both cost and schedule. It's essential when you prefer to work with one primary contractor who coordinates all design professionals, subcontractors, and construction activities. Many developers choose this approach for projects requiring innovative design solutions or fast-track delivery, as it eliminates the traditional design-bid-build delays and reduces potential disputes between separate design and construction teams.

Key legal considerations

Critical clauses in your Design Build Contract must address the contractor's dual liability for both design adequacy and construction quality. You need clear provisions defining the scope of design services, including architectural, structural, and MEP engineering responsibilities. Payment terms should incorporate Security of Payment Act requirements, including progress payment schedules and adjudication procedures for payment disputes. Professional indemnity insurance provisions are crucial since your contractor assumes design liability typically carried by separate consultants. The contract must specify performance standards, completion criteria, and liquidated damages for delays. Quality assurance provisions should reference Singapore's Construction Quality Assessment System (CONQUAS) standards and BCA compliance requirements.

Legal requirements in Singapore

Your Design Build Contract must comply with Singapore's Building Control Act, which governs building plan approvals and construction safety standards. The contractor must be qualified to submit building plans and obtain necessary permits from the Building and Construction Authority. Professional Engineers Act requirements apply when structural or MEP engineering services are included, mandating that qualified professional engineers oversee and certify relevant design work. Security of Payment Act provisions must be incorporated for payment procedures, including statutory payment deadlines and adjudication mechanisms. The contract should reference BCA's regulatory framework covering building codes, environmental sustainability requirements, and safety standards. Workplace Safety and Health Act compliance is mandatory, requiring comprehensive safety management systems and regular safety reporting throughout the design and construction phases.