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newSchoolWorks.com › VoTechWorks › Manufacturing & Marine › Fiberglass / Composites (boatbuilding) › Capstone Project: Integrated Composite Boat Component Build › Lesson 4
MFG-COMP18-07 · Lesson 4 · 12 clock hours · field

Portfolio Completion and Project Defense

Objective. The student will assemble and submit a complete project portfolio and present a 15-to-20-minute oral defense of the build process, quality decisions, and safety practices before an evaluator panel, answering questions drawn from ABYC Composite Boat Builder and ACMA CCT exam domains.

⚠ Pending professional review

This lesson, its worked examples and its practice questions has not yet been verified by a licensed engineer or certified journey-level tradesperson or by a certification or approval body. It is a study draft and may contain errors. Do not use it as instructions for work on a job site or on live equipment. Always follow your instructor, your supervising professional, and current official references and regulations.

VoTechWorks program approval and accreditation are still in progress. Credentials are issued only by the certifying bodies named in each program, after their own exams.

Portfolio Completion and Project Defense

The final step of your Capstone Project is not just finishing the part—it is demonstrating that you understand every decision you made while building it. The portfolio and oral defense give you the opportunity to show evaluators, future employers, and credentialing bodies that you can plan, execute, document, and critically evaluate your own work as a composites professional.

What Goes in the Portfolio

Your portfolio must be organized so that anyone—an employer, an ABYC auditor, or a quality manager—can pick it up and follow your entire build from planning through final inspection. Assemble it in a binder with tabbed sections and mirror that structure in your digital folder. The required sections are:

1. Build plan – your approved work order, drawings, and layup schedule.

2. Bill of materials and cost summary – every material listed with quantity, unit cost, and total; this demonstrates awareness of real shop economics.

3. Photographic build log with captions – a photo at every hold point (mold prep, first laminate ply, core bond, final laminate, post-cure) with a short caption explaining what was inspected and what decision was made.

4. SDS index – a list of every Safety Data Sheet that applied to your project, with the physical or digital SDS on file. Evaluators may ask you to locate a specific section during the defense.

5. Quality-control and repair checklists with all signatures – completed forms showing dimensional checks, visual inspection results, any void or delamination found, and the repair performed; all signatures must be present before the portfolio is accepted.

6. Reflection memo (one to two pages) – identify one process change you would make on a second build and explain why, using specific data or observations from your build log.

Your instructor reviews the portfolio against a 10-item submission checklist before confirming your defense date. Do not wait until the last day—missing a signature or an SDS can delay your defense.

Structuring the Oral Defense

The defense runs 15 to 20 minutes of presentation followed by a 10-minute question period. Two evaluators score you: your lead instructor and at least one industry or program advisor. Your finished part sits on the table throughout; evaluators will pick it up, flex edges, inspect laminate surfaces, and compare measurements to your specs.

Follow this required outline:

1. Project objective – what part you built, its intended function on a vessel, and the performance requirements it had to meet.

2. Material selection rationale – why you chose the specific resin system, reinforcement type, and core (if applicable); connect your choice to the ABYC or ACMA guidance you studied.

3. Process sequence with safety measures – walk through each major step; for each step, name the PPE required, any ventilation or respiratory protection used, and the relevant hazard controls. Mention lockout/tagout if any powered equipment was involved in mold prep or trimming.

4. Quality-control findings – what your inspections revealed, including any defects.

5. Repairs performed – describe the type of defect, the repair method selected, and how you verified the repair met acceptance criteria.

6. Final evaluation outcome – did the finished part meet all dimensional tolerances and visual inspection criteria? Refer to your signed checklist.

Speak clearly and at a measured pace. You may sketch on the whiteboard when explaining laminate geometry or fiber orientation. Avoid vague language; evaluators will follow up on any claim you cannot support with a number, a standard reference, or an observation from your build log.

The Question Period

Evaluators draw questions from two exam domains:

These overlap significantly. A single question may ask you to name the cure cycle for a specific resin system, explain why a particular glass fabric orientation resists impact, or describe how you would handle a chemical spill in the layup area. Answer what you know with precision; if you do not know an exact value, describe the principle and explain how you would find the correct specification in a standard reference or SDS.

Scoring and Passing Standard

The rubric has four domains—technical accuracy, process rationale, safety knowledge, and professional communication—each scored 1 through 4 by each evaluator, for a maximum of 16 points. You need a score of at least 12 of 16 with no domain rated 0 to pass. The portfolio must also satisfy all 10 checklist items. Both conditions must be met.

If you do not pass on the first attempt, you may revise the portfolio or repeat the defense once within the course window. Written evaluator feedback arrives within one class day so you know exactly what to address.

Safety During the Defense Session

Even in a presentation setting, professionalism includes safe handling of the finished part. If the part has sharp trimmed edges, protect them with tape before the session or wear cut-resistant gloves when handing it to evaluators. Do not bring uncured resin, mixed catalysts, or opened containers into the presentation room. If you display SDS documents digitally, know how to navigate to Section 2 (hazard identification) and Section 8 (exposure controls and PPE) quickly—evaluators may ask you to do exactly that.

Key terms9

Hold pointA defined stage in a build sequence where work stops for inspection and sign-off before the next operation begins; documented in the build log with a photo and evaluator signature.
Bill of materials (BOM)A complete itemized list of every material used in a build, including quantities and unit costs, used for quality traceability and shop cost accounting.
SDS indexA master list of all Safety Data Sheets applicable to a project, cross-referenced so the correct SDS can be located quickly during work or an inspection.
Oral defenseA structured presentation in which a student explains their work to an evaluator panel and answers technical questions; a standard method of assessing applied trade knowledge.
RubricA scoring guide that defines performance levels for each evaluation domain, giving evaluators consistent criteria and giving students a clear target.
Acceptance criteriaThe measurable standards—dimensional tolerances, visual inspection limits, bond strength minimums—that a finished part must meet to be approved for use.
Reflection memoA short written document in which the builder identifies one process improvement they would make on a second build, supported by specific observations from the project.
ACMA CCTAmerican Composites Manufacturers Association Certified Composites Technician; a portable, nationally recognized credential assessing process knowledge, materials identification, safety, and quality control.
ABYC Composite Boat BuilderA portable industry credential issued by the American Boat and Yacht Council that certifies a technician's knowledge of composites materials, processes, safety, and quality as applied to boat construction and repair.
In class: Students organize their project binder and digital folder into a final portfolio with clearly labeled sections: build plan, bill of materials and cost summary, photographic build log with captions at each hold point, SDS index, quality-control and repair checklists with all signatures, and a one-to-two-page reflection memo identifying one process change they would make and why; the instructor reviews the portfolio for completeness using a submission checklist before the defense date is confirmed. · Each student delivers a structured 15-to-20-minute presentation to a panel of at least two evaluators (lead instructor plus one industry or program advisor) using the finished part and the portfolio as supporting evidence; the presentation follows a required outline: project objective, material selection rationale, process sequence with safety measures, quality-control findings, repairs performed, and final evaluation outcome, with the physical part on the table for hands-on examination during the session. · Evaluators conduct a 10-minute question period drawing from ABYC Composite Boat Builder exam domains (materials, processes, safety, quality) and ACMA CCT exam domains (process knowledge, materials identification, safety and health, quality control); questions are scored on a standard rubric assessing accuracy of trade knowledge, clarity of explanation, and professional communication; students receive written evaluator feedback within one class day.
Materials: Completed project portfolio (binder and digital copy), finished composite part, laptop or tablet for digital display if needed, oral defense rubric, evaluator question bank drawn from ABYC and ACMA study guides, whiteboard or flip chart for sketching during responses
Check: Portfolio scored against a 10-item submission checklist (all sections present and complete); oral defense scored by both evaluators using a shared rubric with four domains—technical accuracy, process rationale, safety knowledge, and professional communication—each rated on a 4-point scale (maximum 16 points). Passing standard: portfolio checklist complete (10 of 10 items), oral defense score of 12 of 16 with no domain rated 0; a student who does not pass on the first attempt may revise the portfolio or repeat the defense once within the course window.

Practice check8

Answer each question, then check it. Nothing is recorded; this is your own practice.

ABYC Composite Boat Builder – Quality; ACMA CCT – Quality Control
1. During your oral defense, an evaluator picks up your finished panel and finds a surface area that sounds hollow when tapped. Which portfolio section should contain documented evidence of how you addressed this condition?
ABYC Composite Boat Builder – Safety; ACMA CCT – Safety and Health
2. An evaluator asks you to describe the PPE required when hand-laminating with an epoxy resin system in an enclosed shop. Which combination is most complete and appropriate?
ABYC Composite Boat Builder – Materials and Processes; ACMA CCT – Process Knowledge
3. Your build plan calls for woven roving oriented at 0°/90° for one layer and ±45° for the next. What is the primary structural advantage of including the ±45° layer?
ACMA CCT – Safety and Health; ABYC Composite Boat Builder – Safety
4. Which section of a Safety Data Sheet contains information about recommended ventilation and personal protective equipment?
ABYC Composite Boat Builder – Processes; ACMA CCT – Process Knowledge and Materials Identification
5. A student's reflection memo states: 'I would increase the pot-life of my resin system on the next build.' What process change would most directly accomplish this for an unsaturated polyester resin?
ABYC Composite Boat Builder – Safety; ACMA CCT – Safety and Health
6. Before operating a trim saw to cut the cured composite panel to final dimensions, a technician should complete which hazard-control step for the electrical supply to the saw?
ABYC Composite Boat Builder – Materials; ACMA CCT – Materials Identification
7. An evaluator asks why you chose a closed-cell foam core rather than balsa in your panel design. Which response best demonstrates technical rationale?
ABYC Composite Boat Builder – Quality; ACMA CCT – Quality Control
8. Your oral defense rubric scores four domains on a 4-point scale each. You receive scores of 4, 3, 2, and 3. What is your total score, and does it meet the passing standard of 12 of 16 with no domain rated 0?
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