Building Design Phases
Building Design Phases
Building design has five phases:
1 - Schematic Design (SD)
2- Design Development (DD)
3- Construction Documents (CD)
4 - Bidding and Negotiation
5 - Construction Administration (CA)
1- Schematic Design (SD) 12%-25%
- Discuss with client to determine project program & goal;
- Rough study drawings illustrate basic concepts of design.
- Initial research of jurisdictional regulations
- Initial cost estimations;
- Rough drawings of site plan, floor plans, elevations sketches or computer renderings.
2- Design Development (DD) 12%-25%
- Collects the results from schematic design phase
- Involves finalizing the design and specifying such
- items as materials, window and door locations and general structural details.
- More detailed site plan, floor plans, elevations and section drawings with dimensions.
3- Construction Documents (CD) 25%-45%
- Much more details to meet building code requirements and other regulations for building permit application;
- Set of architectural drawings (site plan, floor plans, sections, details, etc.), include specifications, combined with structural drawings, mechanical and electrical drawings for pricing and bidding
- In cooperate all changes during permit application and pricing and bidding process for Construction
4- Bidding and Negotiation 2.5%-6.5%
- Developing a list of qualified contractors for bid list;
- Submitting bid packages to bidders;
- Review submitted bids and provide analysis; and help you compare the cost figures that you receive from your bidders.
- Ensure contractors providing an accurate bid for project;
- Interview bidders and negotiate prices
5- Construction Administration (CA) 25%-35%
Contractors are selected and construction starts.
Review shop drawings and samples;
- Issue site instructions;
- Visit site and meet contractors;
- Provide field review reports and sign off letters
- To assure conformance with design intent and address any field conditions as they arise.

