This phase completes the visual design. Clients are heavily involved throughout this phase, which can involve a good bit of revising & reconsidering. Design Development, Building Department and Building Review are usually all happening simultaneously.
"DD" includes but is not limited to:

• Prepare plans confirming our understanding of the Client/s SD decisions.

• Prepare sketches, interior elevations, design details and other materials to describe the evolving design. This includes relevant Plumbing, Mechanical and Electrical issues.

• Develop an Electrical Plan showing lights, switches, outlets, TV, Telephone, home network jacks, etc.

• Select specific materials, finishes, fixtures, and accessories.

• Review “a.”-“e.” w/ client/s, consider options, and revise as required.  There often are a few rounds of revisions.

• Prepare an initial Construction Cost Estimate.

• Revise the Cost Estimate after selection of materials.