Architectural Design 101 - ASD
Architectural Design 101 - ASD
Architectural Design 101 - ASD
For consistency and clarity across all projects, the phases have been defined by
the AIA. By breaking projects into phases, everyone can operate in lockstep and
know what to expect and when to expect it. This structure helps to align
expectations across stakeholders.
Following the phases also makes it easier for architects to plan and manage a
project. This way, they can be more effective and deliver better results.
What are the architectural design phases?
The American Institute of Architects (AIA) outlines the five phases of design as:
1. Schematic Design
2. Design Development
3. Construction Documents
4. Bidding
5. Construction Administration
0. Programming
Goal: Uncover important information, identify potential roadblocks, and define
what a successful end result looks like.
Deliverable: Program of Requirements, the exact format will vary by firm but likely
a catalog tabulation or summary of all the pertinent information that was
a catalog, tabulation, or summary of all the pertinent information that was
collected.
According to the AIA, programming –or pre-design– isn’t a phase of design, rather
a responsibility of the owner. Not all clients need an architect for this step, but
many choose to bring one on since it’s the launching point for the rest of the
project.
The aim is to gather all the information needed to begin the project. The client
answers questions about their wants, needs, and problems. Then they'll discuss
how much space they need now and in the future and how to utilize that space.
They may also conduct additional research, analysis, and surveys. No drawings or
designs are created during programming. Instead, you focus on defining the
design scope of work and begin discussions around budget and schedule.
1. Schematic Design
Goal: Create a basic design for the shape and size of the space.
The first actual design phase, schematic design, is conceptual with lots of rough
sketches. Designers take all the information collected during programming and
create a set of preliminary drawings.
There will be a lot of collaboration and back-and-forth with the client, but it's one
of the most fun phases of design! You get to begin creating a space that your
clients will love.
Schematic design is about creating an outline for how the building will look and
function without getting bogged down by the details.
Clients will need to provide written approval of the schematic design before
progressing to the next phase. This is crucial since changes are the easiest (and
cheapest!) to make now.
2. Design Development
Goal: Refine and develop the design with more details and specifications.
The designer will revise the schematic design, refining the concepts and capturing
more detail. Preliminary engineering starts, materials are selected, product
selection begins, etc. For the first time during the project, everyone can start to get
a feel for the actual space.
Design development can be a fun or stressful phase for some clients, but it's an
architect's job to guide them through the design process. A good designer will
provide clients with all the information they need to make important decisions
confidently.
The client will receive more detailed drawings and, most likely, a specification
book. The specification book goes into what will be done and how it will be done.
It’s like an instruction manual for the drawings.
If it's a design-build project, this is a good time to include the build team. They can
provide critical insight on implementation and provide preliminary cost estimates.
Getting a cost estimate now will ensure the project scope is in line with the client's
budget. If adjustments need to be made, it's more efficient (and cost-effective) to
address them now.
In the third phase, the design is finalized, a complete set of drawings are
produced, and all construction documentation is prepared. This includes drawings,
details, dimensions, notes, and technical specifications necessary for bidding,
permitting, and construction.
Permit drawings are sent to whatever local authority has jurisdiction. They need to
be submitted in a timely manner since you’ll have to wait for approval. Then the
next set of drawings are created.
Construction drawings have information vital for the contractor, fill in all the
details, and include every design element. They contain information like:
Floor Plans
Schedules (Door, Window, etc.) and Wall Types
Electrical Drawings
Mechanical Drawings
Technology Drawings
Specialty Consultant Drawings
Deliverables: The architect won’t provide any physical deliverables per se, but they
can help the client review submittals and select a contractor
During the bid phase, you will select the best construction company for the project
based on cost and qualifications. If you’re working with a design-build partner, this
phase is eliminated from the process.
It’s important to note that the builder will sign a contract with the client, not the
architect. But the architect is still involved, assisting the client with the bidding
process. They will review bid submittals and help select the best fit for the project.
Negotiated Bids
The architect may recommend a particular contractor, or the client may already
have one they want to use. In this instance, the architect works with the contractor
to answer questions and provide any additional documentation. The contractor
needs to develop a cost and proposal for the build.
Competitive Bid
The competitive bidding process is more complex. A list of potential contractors
needs to be compiled and sent bid packages. Then submitted bids will need to be
reviewed, analyzed, and compared. It's essential to make sure that the
construction proposals align with the drawings; an accurate bid will be apples to
apples.
5. Construction Administration
Goal: Present the client with their dream space, on time and within budget.
The final phase is watching the design come to life. Most of the architect's work is
completed at this point, but they need to make sure their vision comes to life
according to the CDs and specifications. So the architect will monitor and observe
the construction, answer questions, provide updates, and help solve problems as
they inevitably arise.
As problems come up, the architect will have to work with the contractor to
address questions, issue change orders, and solve problems. Communication
between these two teams is essential to keeping the project on schedule.
Architectural Fees
Architectural design fees will vary by firm and project but serve as a guideline of
how an architects’ resources are distributed through a project. Knowing what
percentage each design phase should be of the total cost will help you stay on
budget.
The programming phase isn’t included since it’s typically an add-on service or
handled by the client.
Of course, these percentages can vary depending on client requests, size of the
project, number of revisions needed, specific deliverables, etc.
If you need a reminder as you take on your next project, download our
Architectural Design Phases Cheat Sheet to serve as a refresher.
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