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Do not choose an engineering firm for a multifamily building by comparing the bottom-line fee first. Compare each proposal with the actual project program, then map every required service to a deliverable, responsible party, milestone, price treatment, and assumption or exclusion. A proposal is ready for approval only when the parties can identify who will do each piece of work, what the owner will receive, when it is due, what it costs, and what happens if the stated assumptions change.
This review method works whether you are an owner, developer, lender representative, or project decision-maker. It does not prescribe one contract form or procurement route. Your jurisdiction, building, funding source, delivery method, engineering disciplines, and agreement language determine what must be added.
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Start with a one-page project brief assembled from the information you actually know. Use that brief as the control document for every proposal. AIA guidance says initial information should be stated as explicitly as possible, including project schedule and consultant responsibilities. Its B109-2020 instructions are written for a multifamily or mixed-use residential project, but they still require project-specific completion rather than a generic description. See the B109-2020 instructions.
Record the facts that drive engineering effort
- Building use: apartments, mixed-use areas, parking, amenity spaces, retail, or other uses.
- Known scale: unit count, stories, gross area, site area, structural system, and any unusual loads or occupancy conditions.
- Site and jurisdiction: address or municipality, known geotechnical or environmental conditions, zoning and permitting authorities, and applicable code editions if established.
- Delivery plan: anticipated design and construction milestones, phasing, occupied-site work, early packages, procurement constraints, and the intended delivery method.
- Program objectives: resilience, energy performance, sustainability targets, public-funding requirements, lender requirements, or other owner commitments.
- Decision dependencies: information the owner, architect, contractor, utility, authority, or another consultant must provide before the engineer can proceed.
If the proposal uses an outdated unit count, site assumption, phasing plan, or schedule, ask for a corrected basis before comparing fees. A low number based on a smaller or simpler project is not a lower price for the same work.
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2. Convert the proposal into a proposal-to-project matrix
Broad phrases such as “full engineering,” “code compliance,” or “construction administration” are not deliverables. Rewrite every scope statement into a row that can be assigned and checked. Use the following structure for each project need:
| Project need | Proposal service | Deliverable or decision | Responsible party | Phase/date | Included, excluded, or conditional |
|---|---|---|---|---|---|
| Coordinate the relevant building systems | State the actual service named in the proposal | Name the drawing, calculation, meeting, review, response, or submission expected | Engineer, architect, owner, contractor, or other consultant | State the milestone or due date | State fee treatment and assumptions |
Make one matrix for each proposal, then a consolidated matrix if several firms are competing. The goal is not to force identical wording. It is to expose differences in coverage, timing, responsibility, and risk. AIA describes basic services, supplemental services, and additional services as distinct categories and calls for responsibilities to be assigned. Apply that discipline even when the engineering proposal uses different labels.
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Ask five questions for every row
- What specific work will the firm perform?
- What tangible output or owner decision results?
- Who supplies the information and who coordinates the output with other disciplines?
- At what design or construction milestone is the work due?
- Is the work included in the stated fee, excluded, or triggered by a defined condition?
If you cannot answer one of these questions from the proposal and its attachments, mark the row as unresolved rather than assuming customary practice.
3. Test coverage by phase and deliverable
Do not assume that a discipline is included because the building appears to need it. The project program and proposal must establish which disciplines are required. For each discipline named—or each need identified by the owner—trace the work through the phases that matter to your project.
Early planning and investigation
Identify studies, surveys, existing-condition verification, utility coordination, site investigations, code analysis, or feasibility work. Confirm whether the engineer is relying on information supplied by the owner or another consultant, and whether verification or field investigation is included. If a study is excluded, record who will procure it and when its results are needed.
Design documents
Specify the drawings, specifications, calculations, schedules, models, narratives, and design reviews expected at each milestone. “Permit set” should identify the submission package and the engineer’s role in responding to authority comments. “Construction documents” should identify the issue or revision expected, not merely a phase name.
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Permitting and agency responses
Ask whether the firm prepares submissions, signs or seals documents where legally permitted, attends agency meetings, responds to comments, and revises documents after comments. Define the number of review cycles included if the proposal states one. If the proposal is silent, obtain a written assumption and a fee trigger for additional cycles.
Procurement and construction support
Separate bidding or procurement assistance from construction-phase services. Confirm whether the engineer will answer bidder questions, issue addenda, review substitutions, respond to requests for information, review submittals, attend site meetings, observe construction, prepare punch-list comments, and support closeout. A proposal that covers design documents but says nothing about these activities may leave the owner without the support needed to use those documents.
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Revisions and changes
Identify what happens when the owner changes the program, an authority changes a requirement, the contractor proposes a substitution, or concealed conditions are discovered. The proposal should distinguish revisions within the original design effort from additional services, with a method for authorization and pricing.
4. Read assumptions and exclusions as boundary conditions
Every exclusion creates a responsibility somewhere else. Copy each exclusion into your matrix and write the uncovered project need beside it. Then answer three practical questions:
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- Is the excluded work required for permitting, financing, procurement, construction, commissioning, or occupancy?
- Who will procure, coordinate, and pay for it?
- What information or decision is the engineer assuming another party will provide, and by what date?
Do not ask a firm to include every conceivable service. Instead, close the boundary deliberately. A geotechnical report, specialty study, survey, testing service, commissioning activity, or utility coordination task may appropriately belong to another consultant. The risk arises when no party owns it or when the schedule assumes it will exist.
Define conditional services precisely
For a conditional task, document the trigger, authorization path, and fee method. For example, “additional investigation if unsuitable soils are encountered” should state how the condition is identified, who authorizes the work, whether written authorization is required, and whether compensation is hourly, lump sum, or another agreed method. “As required” without a trigger or pricing method is not a workable allocation of risk.
5. Assign coordination and communication responsibility
Multifamily projects often involve an architect, several engineering disciplines, specialty consultants, a contractor, authorities, utilities, and the owner’s representatives. A team chart is not enough. Confirm who contracts with each consultant, who coordinates inputs, who answers cross-discipline questions, and who consolidates submissions.
The B109-2020 instructions call for identifying the responsible party for each listed consultant service. Use that principle to convert a proposal’s team chart or scope matrix into explicit assignments. A useful responsibility statement names both the performer and the coordinator—for example, “the electrical engineer prepares the load calculations; the architect incorporates the coordinated sheets into the permit submission; the owner provides utility correspondence by the stated date.”
Check interfaces, not just individual scopes
- Who resolves clashes or conflicting assumptions between structural, mechanical, electrical, civil, fire-protection, and specialty work when those disciplines are part of the project?
- Who controls the drawing index, model exchange, and revision numbering?
- Who receives and distributes authority comments?
- Who has authority to direct an additional service or approve a scope change?
- Who responds when a contractor question affects more than one discipline?
Put the answers in the agreement or an incorporated responsibility matrix. An unassigned interface is a gap even when every individual discipline appears to have a scope.
6. Tie the proposed schedule to milestones and dependencies
Compare the engineer’s schedule with the owner’s design and construction schedule, not with a generic duration. AIA’s multifamily form instructions call for an anticipated design and construction schedule and design-phase milestones. Use those milestones to test the proposal’s start dates, review periods, submission deadlines, and dependencies.
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Build a milestone check
- List the owner’s required dates for concept, design development, permit, bidding or procurement, construction issue, major releases, substantial completion, and closeout, as applicable.
- Place each engineering deliverable on the date it must be usable by the next party—not merely the date it is drafted.
- Record the owner, architect, contractor, utility, or authority information that must arrive before each deliverable can start.
- Confirm the number and duration of review or revision cycles included.
- State the effect of a late decision, changed requirement, delayed consultant input, or accelerated release.
Ask the firm to identify whether the schedule assumes uninterrupted access, timely owner decisions, a particular delivery method, or a defined number of construction packages. If the owner later changes a dependency, the proposal should explain how schedule and compensation will be adjusted.
7. Normalize scope before comparing fees
Only compare prices after bringing the proposals to a common scope basis. AIA identifies services and deliverables, fees and payment timing, and schedule as core agreement elements. Its guidance describes compensation methods including a stipulated sum and a percentage of construction cost. These methods can respond differently when scope or project cost changes, so the label alone does not make one proposal cheaper or safer.
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|---|---|---|
| Basis | What services, project size, cost definition, or labor assumptions produce the fee? | The stated basis and any exclusions |
| Payment timing | Are invoices tied to calendar dates, milestones, deliverables, or percentage completion? | Invoice triggers and payment terms |
| Reimbursable expenses | Which travel, printing, testing, filing, or other expenses are reimbursable, if any? | Categories, rates, caps, and approval requirements |
| Additional services | Which events create extra compensation? | Trigger, notice, authorization, and pricing method |
| Changes in project cost or scope | How does the fee change if the program, phasing, or construction cost changes? | Adjustment formula or negotiation requirement |
Do not declare a fee high or low without comparable scope, geography, market conditions, and project information. None of those variables is established by a generic review framework. Ask each firm to restate its fee after the same matrix of services, assumptions, deliverables, and schedule has been accepted.
Watch for hidden asymmetry
A proposal with a lower headline number may exclude construction support, agency responses, coordination, or revisions that another proposal includes. A percentage-based fee may move with the defined construction-cost base; a stipulated sum may require a change when the scope changes. The practical comparison is the cost of the work your project actually needs, including clearly priced contingencies—not the first number on the cover page.
8. Evaluate qualifications before negotiating price
Qualifications matter alongside price, especially when the work involves complex phasing, unusual existing conditions, public requirements, or a demanding schedule. ASCE’s 2026 Policy Statement 304 describes a qualifications-based sequence: evaluate qualifications and experience for the needed services, work with the selected engineer to define scope and schedule, then negotiate a fee based on that developed scope. Read the policy at ASCE Policy Statement 304.
This is selection guidance, not a universal legal rule. Whether qualifications-based selection is required depends on the project, owner, funding source, and jurisdiction. For a private project, you may still use the sequence as a disciplined decision framework.
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- Experience with the building type, scale, jurisdiction, and delivery method proposed.
- Named project personnel and their actual roles, availability, and authority to make decisions.
- Experience coordinating the disciplines and interfaces your matrix identifies.
- Examples of work at comparable phases, including construction support if that service is needed.
- Ability to meet the milestone dates and respond during the owner’s expected review windows.
Do not treat a long project list as proof of fit. Ask what the proposed team personally delivered and how the firm will staff this project.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.9. Review the agreement, not just the proposal
A proposal may become an exhibit to a larger agreement, be superseded by one, or leave important terms unstated. AIA’s owner-architect guidance recommends a written agreement addressing project objectives, services and deliverables, fee and payment, and schedule. Its article explains that “A written agreement or contract allows the parties to clearly document their mutual understanding of project requirements and obligations, which should reduce the likelihood of later disputes.” Read the guidance at AIA’s owner-architect contract resource.
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That guidance concerns owner-architect agreements, so use it as a review framework rather than assuming it directly governs every owner-engineer contract. The AIA Contract Documents index lists owner-consultant agreement and consultant-scope resources, including a geotechnical engineering scope form. Confirm the current document, parties, intended use, program terms, and proposed edits before relying on any form.
Have counsel review project-specific legal terms
AIA warns that contract documents may need modification for local professional-licensing laws and other local requirements and encourages attorney consultation when completing or modifying them. Have qualified counsel review, as applicable:
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- Standard of care and any warranty language.
- Liability limits, consequential-damages waivers, indemnity, and insurance.
- Reliance and permitted use of drawings, calculations, models, and instruments of service.
- Ownership, licensing, confidentiality, and electronic-data provisions.
- Suspension, termination, payment default, and transition of incomplete work.
- Professional licensing, signing and sealing, public-record, and funding requirements.
The enforceability and suitability of these provisions depend on the project’s location, parties, and negotiated terms. A proposal review cannot determine those legal questions.
10. Compare multiple proposals on six common axes
When more than one firm is being considered, score proposals only after completing the same project brief and matrix for each. Use the following axes; add project-specific criteria where the program requires them.
| Comparison axis | Evidence to compare | Decision question |
|---|---|---|
| Service coverage | Phase-by-phase services and named deliverables | Does the proposal cover every required project need? |
| Exclusions and assumptions | Boundary conditions, dependencies, and additional-service triggers | Are any essential tasks unassigned or ambiguously priced? |
| Responsibility and coordination | Consultant assignments, interfaces, and submission control | Who owns each decision and cross-discipline response? |
| Schedule | Milestones, review periods, dependencies, and revision cycles | Can the team produce usable information when the project needs it? |
| Fee and payment | Normalized basis, invoice timing, reimbursables, and change pricing | Are the numbers comparable after scope is equalized? |
| Qualifications | Relevant experience, proposed staff, availability, and jurisdictional fit | Can this team perform the defined work under the project’s constraints? |
Keep a written explanation for each rating. If a cell cannot be completed, state “not stated” and send the question to the firm rather than filling the gap with an assumption.
11. Resolve gaps in writing before signing
Use a controlled clarification process so that verbal assurances do not disappear between selection and contract execution.
- Send the firm a marked-up matrix listing each unresolved service, deliverable, responsibility, date, fee treatment, assumption, and exclusion.
- Ask for a written response that accepts, rejects, or revises each item.
- Require revised proposal pages, scope exhibits, schedules, and fee tables where the response changes the commercial basis.
- Confirm which document controls if the proposal, exhibit, email, and agreement conflict.
- Update the responsibility matrix and schedule after all parties review the changes.
- Obtain internal approval from the owner’s project, finance, and legal decision-makers before authorization.
- Attach the final scope, deliverables, assumptions, exclusions, fee basis, payment schedule, and milestone schedule to the executed agreement.
After execution, use the same matrix for kickoff, design reviews, change requests, and invoice checks. A written change process should identify who may authorize additional services and how the firm must document the resulting cost and schedule effect.
12. Red flags that require clarification
- The project description does not match the current unit count, site, phasing, schedule, or use.
- “Full service” or “as required” appears without a deliverable list.
- Construction-phase support is mentioned but the activities, response expectations, or included cycles are not stated.
- Critical consultants or specialty services are excluded without an identified replacement party.
- The schedule has dates but no dependencies, review periods, or owner decision requirements.
- The fee is presented without a basis, invoice milestones, reimbursables, or additional-service triggers.
- The proposal names a team but does not assign coordination, submission, or cross-discipline responsibility.
- Scope changes can be billed at the firm’s discretion without a notice and authorization procedure.
- The proposal incorporates another document that you have not received or that contains conflicting terms.
- Legal, licensing, insurance, reliance, or ownership provisions are treated as universal despite a project-specific jurisdiction.
A red flag is not proof that a firm cannot perform. It is a signal that the owner cannot yet compare risk or approve the proposal intelligently.
13. A practical approval test
Before recommending signature, ask whether a project manager who did not attend the negotiations could use the executed documents to answer these questions without guessing:
- What exactly will the engineer produce, and at which milestone?
- Which parties provide the information needed to produce it?
- Who coordinates each interface and submits the final package?
- What work is excluded, and who owns that work?
- What event turns a conditional task into an additional service?
- How and when will the owner be invoiced?
- What schedule assumption changes the fee or delivery date?
- Which qualifications and named personnel supported the selection?
- Which contract terms require project-specific legal confirmation?
If any answer remains uncertain, pause approval and resolve the item in writing. This protects the project without demanding that every possible service be included in one firm’s scope.
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