Stage 08 · Before cost planning and tender
Coordinated drawings, construction details, technical specifications and quantity take-offs for detailed budgeting and organised project delivery.
Detailed design turns decisions into precise dimensions, materials, build-ups, connections, equipment locations and construction methods. A coordinated package reduces unresolved issues during execution and supports meaningful quality, cost and programme control.
This stage is completed after permitting and before procurement. Permit design provides the basis; detailed design develops the construction information. If a choice changes the approved solution, the required update or revision process is checked before execution.
What it includes
Dimensioned plans, elevations and sections, levels, wall layouts, flooring and ceiling drawings. Window and door schedules, bathroom and kitchen elevations, and details for stairs, railings, wardrobes and bespoke assemblies. Dimensions and positions are coordinated with structures and services.
Foundation, formwork and reinforcement drawings, connection and anchorage details, steel or composite assemblies and reinforcement schedules where required. Penetrations, openings and embedded elements are coordinated with MEP design. Changes are checked by the responsible designer before execution.
Final routing and sizing of water, drainage, heating, cooling and ventilation networks. Equipment, manifold, electrical panel, lighting, switch, socket and low-current locations. Includes diagrams, support details, plant-room requirements and maintenance access, plus lifts, pools and automation when included in the project.
Details for external insulation, roofs, basements, balconies and wet areas. Thermal bridges, frame interfaces, joints, falls, drainage and terminations are resolved. Layer build-ups, thicknesses and system continuity are defined so critical interfaces are addressed before construction.
Detailed drawings for kitchens, bathrooms, wardrobes, joinery, suspended ceilings, lighting and finishes. Final dimensions are coordinated with services and equipment; samples and material schedules are linked to the drawings. Supplier shop drawings are reviewed against the design before fabrication, within the agreed scope.
Levels, falls and stormwater drainage, paving, stairs, ramps, boundaries and railings. Retaining structures, pools, lighting and irrigation are coordinated where specified. On sloping sites, the relationship between building, terrain and external circulation is reviewed as a whole.
Common backgrounds and consistency checks across architecture, structures and MEP. Network conflicts with beams, ceiling clearances, shafts, openings and equipment space are reviewed. Open issues and revisions are recorded; BIM can support coordination when included in the commission.
Materials, systems, performance requirements, installation methods, samples and inspection points are specified. Finish, frame and equipment schedules define comparable selections and quotations. Final choices are approved by the client with cost and availability review.
Itemised quantities, clear measurement units and a common basis for contractor and supplier quotations. Detailed design supports the project budget, quotation comparison and definition of each work package. Exclusions, provisional allowances and selections still awaiting finalisation are recorded.
Coordinated drawings and documents issued for construction with identifiers, dates and revisions. Current drawings, pending approvals and technical-query procedures are defined. Construction support and final as-built records are organised as separate deliverables according to the commission.
Review permit drawings, property information, client selections and cost objectives.
Resolve dimensions, details and services, and address conflicts between disciplines.
Link drawings to materials, performance and quantities for detailed budgeting and common tender documents.
Following approvals, issue the coordinated package and organise subsequent revision control.
Construction drawings and details by discipline
Material, finish, frame and equipment schedules
Technical specifications and quantity take-offs / BOQ
Coordinated drawing, approval and revision register
Information for detailed budgeting and tender packages
The exact scope and depth of deliverables are defined for each new-build, renovation or strengthening project. Supplier reviews, BIM, construction support and as-built records are included when agreed in the commission.
Do you have a project with detailed construction drawings? Ask us for an itemised project budget. If the design is not yet complete, we can organise the required drawings, documents and coordination.
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