Product Overview

Summary: This Verification of Drawings and Specifications Standard Operating Procedure sets out a clear, auditable process for checking, coordinating and approving design documentation before work proceeds. It helps Australian businesses prevent costly rework, disputes and delays by ensuring that every drawing and specification issued for construction is accurate, consistent and properly authorised.

In construction, engineering and manufacturing environments, errors or omissions in drawings and specifications can quickly snowball into costly rework, claims, safety concerns and reputational damage. This Verification of Drawings and Specifications Standard Operating Procedure provides a structured, repeatable method for reviewing and approving design documents before they are released for tender, procurement or construction. It defines who is responsible at each stage, the verification checks to be completed, and the documentation required to demonstrate due diligence.

Tailored for Australian project delivery contexts, the SOP supports robust document control across architectural, structural, civil, mechanical, electrical and hydraulic disciplines. It addresses coordination between consultants, version control, clash identification, compliance with client requirements and alignment with relevant Australian Standards and the National Construction Code. By implementing this procedure, organisations can significantly reduce design-related defects, strengthen contractual certainty, and provide clear evidence that drawings and specifications have been systematically verified prior to use on site or in production.

Key Benefits

• Reduce costly rework and variations by identifying drawing and specification issues before construction or fabrication commences.
• Ensure consistent, documented verification of all design deliverables across projects and disciplines.
• Strengthen contractual clarity by confirming that issued drawings and specifications align with client requirements and project scope.
• Streamline communication between designers, engineers, contractors and suppliers through clear review and approval workflows.
• Demonstrate robust quality assurance and due diligence to clients, regulators and auditors through traceable verification records.

Who is this for?

• Project Managers
• Design Managers
• Site Managers
• Construction Managers
• Contract Administrators
• Quality Assurance Managers
• Engineering Managers
• Architectural Team Leaders
• Drafting and CAD/BIM Coordinators
• Building Services Engineers

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Abbreviations
• 3.0 Roles and Responsibilities
• 4.0 Applicable Standards, Codes and Project Requirements
• 5.0 Document Control and Version Management
• 6.0 Verification Planning and Checklists
• 7.0 Drawing Review Process (Architectural, Structural, Services, Civil, etc.)
• 8.0 Specification Review and Cross-Referencing
• 9.0 Coordination Between Disciplines and Clash Identification
• 10.0 Management of Design Queries and Requests for Information (RFIs)
• 11.0 Approval Workflow and Authorisation to Issue for Construction
• 12.0 Nonconformities, Design Changes and Revisions
• 13.0 Records Management and Audit Trail
• 14.0 Training, Competency and Review of the Procedure
• 15.0 Continuous Improvement and Lessons Learned

Legislation & References

• National Construction Code (NCC) – Building Code of Australia
• AS/NZS ISO 9001:2016 Quality management systems – Requirements
• AS 1100 Set: Technical drawing standards
• AS 1101: Graphical symbols for general engineering and drafting
• AS 3600: Concrete structures (as applicable to structural drawings and specifications)
• AS 4100: Steel structures (as applicable to structural drawings and specifications)
• Relevant discipline-specific Australian Standards referenced in project documentation