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BUE6

Builder

E-6 (Staff Sergeant) · Navy

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

BU1 is where the NMCB's 'Can Do' either has a foundation or it does not. The OIC delivers the project tasking to you; the crew executes what you plan and brief. The standard on the job site is the standard you set — and the NMCB community has a long institutional memory about which LPOs produced work that stood and which ones produced rework, injuries, and nonconformance reports. The Chief board clock is running every day you wear the crow.

The Honest MOS Read
BU1 is the LPO of a construction platoon in an NMCB — typically 10 to 20 Sailors from BNCN through BU2, running multiple concurrent construction tasks across a deployment project portfolio. You own the enlisted construction execution from the deckplate to the finished structure. You build the project execution plan from the NAVFAC drawing and specification package, brief the project OIC on phasing and risk, chair the pre-construction safety review, manage the AHA library for the entire scope, and own the quality-control program the NAVFAC quality-control representative audits twice daily. The job the BU1 does on deployment is genuinely consequential. The buildings, roads, utilities, and drainage structures an NMCB constructs are not temporary — they are permanent infrastructure on U.S. installations and allied partner bases around the Pacific, the Gulf, East Africa, and Central America. The BU1's name is in the project documentation as the foreman of record. The quality of the work lives for decades after the battalion comes home. In garrison, the BU1 runs PMS on the battalion's construction equipment fleet, writes eEVALs for BU2s and BU3s that pick the next advancement slate, and mentors the NMCB's construction-specialty pipeline. The eEVAL the BU1 writes is not a paperwork exercise — it is the document the advancement board reads when it decides which BU2s and BU3s advance and which ones wait another cycle. The BU1 who writes vague eEVAL narratives with no project-specific content is doing his sailors a disservice that they will not understand for two years. The Chief board is not a future event at BU1 — it is the current event. The eEVAL profile from BU3 forward is being built or not built every day. The SCW device should already be pinned. The project record from BU2 deployments is already in the packet. The BU1 work is the last chance to produce the EP recommendations, the named project outcomes, and the pipeline outputs that make the Chief board packet defensible. The LCPO is watching the eEVAL profile build in real time, and the annual senior rater comment is the document that either opens or closes the Chief slate. Seabee Combat Warfare device. If it is not pinned at BU1, it is an open item on the Chief board packet that requires explanation. Pin the SCW before the BU1 eEVAL cycle closes.
Career Arc
  • 01BU1 advancement — Final Multiple Score, NWAE, EP eEVAL from BU2 chain; assignment as LPO of a construction platoon.
  • 02SCW device pinned — if not completed at BU2, this is the mandatory closure item before the first Chief board submission.
  • 03First full-platoon LPO deployment — project execution plan built, pre-construction safety review chaired, NAVFAC QC rep relationship established, phase closeout documentation complete.
  • 04eEVAL input writing — first time the BU1 is writing the records that pick the advancement slate rather than receiving them.
  • 05Chief Petty Officer board packet under construction — eEVAL profile, SCW, project record, awards, community contribution, the LCPO's senior rater comment.
  • 06CPO 365 program if selected — the Chief transition process begins when the board results drop, not when the anchor pins.
  • 07Chief selection — the defining career event in the BU rate.
Common Screwups
  • ×Briefing project status to the OIC from memory rather than from the QC log — when the NAVFAC QC rep's inspection record contradicts the BU1's status brief, the OIC knows which one is current, and the pattern is visible on the eEVAL.
  • ×Approving an AHA that was copied from a different project without revising the hazards — one stop-work order from a safety inspector means the entire site stops until the program is corrected; the battalion operations officer asks who signed the AHA.
  • ×Letting a BU2 run a concrete phase without personally reviewing the pre-pour checklist — if the pour fails acceptance because of a missed embed or incorrect cover, the nonconformance report names the LPO who delegated the inspection without the documented pre-pour review.
  • ×Article 15 or NJP at BU1 — career-ending at this paygrade; the Chief board reads the complete record and an NJP at BU1 is not overcome by subsequent performance marks.
  • ×Treating the SCW device qualification as optional — the SCW is how the NMCB certifies the LPO's ability to execute in a combat construction environment; a BU1 without it is visible on the Chief board packet review, and the LCPO who submits a packet without it is asked to explain the gap.

A Day in the Life

  • 0500-0545Review the Plan of the Day, project schedule, any overnight equipment status changes. The BU1 arrives with the day planned — not planning after quarters.
  • 0545-0645Battalion PT. The BU1 runs at the front. The platoon reads the standard off the LPO's performance.
  • 0645-0800Hygiene, chow, AHA review and revision for today's scope, brief preparation for the project OIC's morning status call if scheduled. Material delivery verification — the delivery that was expected at 0800 and has not arrived by 0730 is known before the crew walks out of the tool room.
  • 0800-0830Platoon safety brief. BU1 runs it or the designated BU2 runs it with the BU1 present and ready to correct. AHA reviewed aloud. Crew assignments. Tool issue.
  • 0830-1130BU1 cycles between project sites — not stationed at one task but moving through the platoon's concurrent tasks. Checking QC documentation, verifying AHA compliance, walking pre-pour with the QC rep, reviewing the as-built grade control before the concrete truck arrives. He is not building; he is supervising.
  • 1130-1230Project status brief to OIC (or weekly status submission). Chow.
  • 1230-1500Afternoon construction supervision. eEVAL drafting during the slow periods — draft narratives while the facts are current, not at the annual period review. SCW PQS sign-off hunting if outstanding line items remain.
  • 1500-1600Site close-out walk. QC log submitted and accepted. Equipment PMS verified. Safety brief debrief: near misses, scope changes for tomorrow, AHA update required?
  • 1600-1800Study (Chief board preparation — eEVAL self-documentation, project record maintenance), sailor counseling, advancement preparation mentoring with BU2s and BU3s who need the time.
  • 1800-2100Administrative close-out: next day's plan reviewed, family time (deployed: recreation or sleep).
  • Deployed variationStart earlier, end later, concurrent sites require the BU1 to move between them throughout the day. The daily status brief to the OIC is more frequent on deployment — typically a morning and afternoon update rather than once daily in garrison.

Weekly Cadence

The BU1's week is anchored by the project schedule and the eEVAL cycle simultaneously. Monday is the project planning day: week's phases assigned, crew assignments confirmed, material deliveries scheduled, equipment availability verified. The OIC's Monday morning brief is attended by the BU1 with the previous week's QC summary in hand and the current week's execution plan ready. The BU1 who comes to Monday's brief and works the plan out during the meeting is not ready. Tuesday through Thursday are the construction core and the eEVAL documentation window. On a deployment, this is the 12-hour-day block. In garrison, the afternoon training events — safety refresher, technical training, NMCB exercises — run on Tuesday or Thursday. The BU1 who runs the training event rather than attends it is the LPO. Friday is close-out: QC documentation finalized, weekly project status summarized for the OIC, equipment PMS cycle reviewed, and any counseling records that need updating before the weekend completed. The rhythm that separates the good BU1 from the adequate one is the off-event use of time. The BU1 who uses the slow Tuesday afternoon between the concrete pour and the evening muster to draft two eEVAL narratives arrives at the annual review period with the drafts 80% complete. The BU1 who treats that time as rest time writes four eEVALs in the last week of the rating period and produces narratives that read like they were written in the last week of the rating period.

Key Skills — How to Drill Each

  1. 01
    Build and brief a project execution plan from NAVFAC design documents — phasing, crew assignments, material procurement schedule, equipment needs, inspection hold points, UFC/ACI compliance matrix.
    The project execution plan is the document that turns the NAVFAC construction package into a crew-level work calendar. Start with the project schedule from the OIC — the contract completion date is fixed — and work backward to identify what has to be complete when. Phase the work so critical-path items (foundation and slab, for example) do not wait on lower-priority items. The material procurement schedule drives the phasing: concrete that is not on-site when the forming is complete stops the project. Write the UFC/ACI compliance matrix as a single table — specification section, UFC citation, inspection hold point, responsible person, documentation requirement. The OIC who receives that table at the pre-construction brief does not need to ask whether you have read the specification.
  2. 02
    Run the battalion's quality-control program for your project scope — daily QC logs, inspection hold-point notifications, material certifications, field test records.
    The QC program is not the daily log alone — it is the system that connects material submittals, field testing, inspection hold points, and nonconformance tracking into a single documentation chain the NAVFAC OIC signs at turnover. Build a submittal log from the specification sections that require submittals (Division 01 will list them); track each submittal from issue to NAVFAC approval before the material is delivered. The daily log is the operational record; the submittal log is the procurement record; the nonconformance log is the quality record. A project that turns over with all three current and consistent has no open items.
  3. 03
    Serve as competent person and site safety supervisor under EM 385-1-1 — AHA review and approval, fall-protection compliance, confined-space entry supervisor, excavation and shoring inspection.
    The competent person designation is documented in writing before work begins — the battalion safety officer has the form. Review the designation quarterly; if you rotate to a different task that requires a different competent-person qualification, the designation changes. Walk every AHA before signing it. An AHA with your signature is your certification that the hazard analysis is accurate for the current scope. The safety investigator who follows a recordable injury on your site asks to see the signed AHA and asks whether you personally reviewed it — and the date on your signature versus the date the scope started is the evidence.
  4. 04
    Manage construction equipment availability and PMS for the platoon — 3-M documentation, deadline tracking, operator currency, fuel accountability.
    The equipment PMS program for a construction platoon is a weekly cycle: PMS actions due, scheduled by equipment, assigned to qualified operators, completed and documented before the end of the week. A deadline (equipment not operationally ready) goes on the OPNAV 4790 casualty report and is briefed to the battalion CMC. The LPO who tracks equipment readiness proactively and reports casualties before the CMC finds them in the weekly readiness report is the LPO the CMC trusts. The LPO who lets equipment dead-line silently until it shows up on the readiness report is the LPO the CMC cannot rely on.
  5. 05
    Write eEVAL blocks for BU2s and BU3s that the CO can defend at the advancement worksheet board.
    The eEVAL narrative is the legal record of the sailor's performance. Vague language — 'performed duties in an outstanding manner' — is not defensible. Specific language — 'BU3 Smith served as crew lead on a 1,200 square foot reinforced concrete slab and masonry wall project at Camp Lemonnier; zero nonconformance reports, zero safety incidents, completed 60 days ahead of schedule' — is the language the advancement board reads. Name the project, name the outcome, name the metric. The BU1 who writes eEVALs in that register produces sailors who advance.
  6. 06
    Mentor BU2 advancement packets, SCW device completions, and construction-specialty NEC pipelines — and counsel honestly when the path does not fit.
    The honest counseling is the one that helps the sailor make a real decision, not the one that makes the counseling session comfortable. If the BU2's exam preparation is weak, the counseling record says that and names the specific bibliography items not completed. If the sailor is a skilled builder who is not competitive for the Chief slate, the counseling record names the civilian construction path and the post-service credentialing options that make the transition valuable. Sugarcoating is not mentorship; it is deferred harm.

Manuals & References — What Chapters Matter

  • UFC 3-000 series and the project-specific NAVFAC specifications — the construction law you execute and defend at every inspection
    At BU1 you are not just reading the UFC — you are building the project execution plan from it and defending it to the OIC and the NAVFAC QC rep. The UFC series applicable to your project scope (structural, mechanical, electrical, site work) should be in the project execution plan's compliance matrix, with the relevant section cited against each project phase. The QC rep who cites a UFC provision during an inspection expects the LPO to identify the section number in response — not to look it up on a smartphone.
  • EM 385-1-1 — full manual; you are the safety officer's enforcement arm on the project
    As the LPO and the competent person designation holder for your scope, your legal responsibility under EM 385-1-1 is specific and documented. The sections you are most frequently cited against in a safety investigation are Section 10 (Fall Protection), Section 11 (Excavation), Section 21 (Concrete and Masonry), and Section 1 (Program Requirements — which defines your AHA and safety meeting obligations). Know which sections govern your current project before a safety inspector walks the site, not after.
  • ACI 318 — current edition; you are the person the project OIC calls when the QC rep flags a placement or curing issue
    The BU1 is the LPO-level technical authority on concrete construction for the platoon. When the NAVFAC project engineer and the QC rep have a technical disagreement about a placement standard or a cure-time requirement, the LPO who can point to the ACI 318 section that governs the question is conducting a professional discussion. Chapter 26 covers construction documents and inspection; Chapter 7 covers the reinforcement detailing the rebar inspection is based on; the curing chapters are where cure-time arguments live.
  • OSHA 29 CFR 1926 — your crew's legal floor; a recordable injury on your project opens a NAVFAC safety investigation with your name in the title block
    The CFR citation is the legal basis for a safety finding, not the EM 385-1-1 administrative standard. The OSHA 300 log is maintained by your command; a recordable injury on your project scope goes on the log under your project name. The investigation that follows a recordable injury asks which regulations were in effect, whether they were met, and who was responsible for compliance. At BU1, the answer to the third question is you.
  • NAVFAC P-307 — Management of Transportation Equipment
    The equipment management standard for the construction equipment fleet. The PMS program you run feeds into the P-307 tracking system. Equipment that is not maintained to P-307 standards is a readiness gap; equipment that dead-lines on a deployment is a project delay the operations officer briefs. The BU1 who understands the P-307 framework manages the equipment fleet proactively rather than reactively.
  • MILPERSMAN — articles governing enlisted advancements, NJP, retention, and separation
    You are in the room when the consequences land for your sailors. The MILPERSMAN articles on separation, NJP, and advancement eligibility are the reference that protects you from well-intentioned but legally incorrect counseling. When a BU2 comes to you with a DUI, the first thing you do is pull the MILPERSMAN articles on alcohol-related incidents and know what the chain of command is required to do — before you have any conversation with the sailor about outcomes.

Standards — How to Hit Each

  • Chief Petty Officer selection board preparation built across the year — eEVAL profile, SCW device, awards package — not a week-before submission.
    The Chief board packet is assembled the year before the board convenes, not the month before. The senior rater's comment is the most critical element — and the senior rater writes from the eEVAL record you produced, not from what you tell him at the submission meeting. Build the packet as a living document: every EP recommendation gets printed and filed; every project citation gets the key details recorded; every subordinate advancement and SCW completion that happened under your supervision goes in the contribution record. The BU1 who submits a packet on the board date is not prepared — the prepared BU1 submitted a complete draft to the LCPO six months earlier.
  • Project QC documentation accepted at final NAVFAC turnover without outstanding nonconformances tied to your crew's scope.
    Final turnover is the moment the NAVFAC OIC decides whether to sign the completion certificate. Outstanding nonconformances at turnover mean the project is incomplete, the battalion cannot demobilize until they are closed, and the battalion commander's deployment report contains an open-item entry. Close every nonconformance before the turnover date, verify the corrective actions are documented, and submit the final QC package to the project office 48 hours before the scheduled turnover inspection.
  • Safety record for the deployment cycle: zero recordable OSHA 300 injuries and zero site stop-work orders tied to your project site.
    A recordable injury is not a random event — it is a gap in the safety management system. The BU1 who tracks near-miss reports, reviews AHAs after scope changes, and walks the site with the safety officer's eyes rather than the project manager's eyes is the LPO whose site has no recordable injuries. The stop-work order prevention standard is the same: the safety officer stops sites with visible compliance gaps. The BU1 whose site has a visible compliance gap at inspection time did not walk his own site before the inspector arrived.
  • Pipeline output — BU2 and BU3 advancements, SCW completions, NEC selectees — at least one completion per year from your platoon.
    The pipeline output is how the Chief board evaluates whether the BU1 produced the next generation of the rate. One advancement, one SCW, or one NEC selection per year from your platoon is the minimum that shows up as a positive eEVAL input line. The BU1 who can name every BU3 advancement candidate in his platoon and what their study log looks like is the LPO whose pipeline produces. The one who discovers in March that the BU3 he was going to recommend missed the advancement window is the LPO whose pipeline note is silent.
  • Seabee Combat Warfare (SCW) device pinned before the first Chief board submission.
    The SCW PQS completion is not the challenge — the PQS is a structured qualification that any motivated BU1 can complete. The challenge is the prioritization against operational demands. Build the PQS completion as a scheduled project: identify the remaining line items, identify the qualified signatories, schedule the competency demonstrations during garrison slow days and deployment evenings. The BU1 who pins the SCW at BU1 is not scrambling to close the PQS the month before the Chief board submittal deadline.

Technical Mistakes — Concrete Consequences

  • Briefing project status to the OIC from memory rather than from the QC log.
    The NAVFAC QC rep has been on site every day and his inspection record is the authoritative daily document. When the BU1's verbal status brief says 'we are on schedule and clean' and the QC rep's record shows two open corrective action requests, the OIC knows which version is current. The pattern that follows — the OIC verifying the BU1's status reports against the QC rep's record — is the pattern that produces a MP recommendation at the next eEVAL cycle and a question about the BU1's readiness for the Chief slate.
  • Approving an AHA that was copy-pasted from a different project without revising for the current scope.
    A stop-work order stops the entire site until a compliant AHA is produced. The delay is documented in the project log. The safety officer's finding names the LPO who signed the non-compliant AHA and the battalion safety program produces a corrective action that goes into the NMCB's quarterly safety report — the document the CO and the NCG commander read. The BU1 who signed the generic AHA explains the gap at the battalion safety debrief.
  • Delegating a concrete phase pre-pour inspection to the BU2 without personally verifying the checklist.
    The pre-pour inspection is a NAVFAC hold point — the LPO's signature on the inspection checklist certifies that the forms, rebar, embeds, and mix design are in compliance before concrete is placed. If the pour fails acceptance after placement because of a deficiency the pre-pour inspection should have caught, the nonconformance report names the LPO who signed the inspection checklist — which the LPO signed without actually conducting the inspection.
  • Treating the SCW device qualification as optional until the Chief board preparation begins.
    The Chief selection board reads the complete record. An LPO without the SCW device submits a packet with an open warfare-qualification gap — and the board review asks why the LPO of a Seabee battalion is not qualified in the Seabee Combat Warfare standard. The LCPO who submits the packet has to explain the gap, and the explanation is typically that the BU1 did not prioritize it. An incomplete SCW at BU1 is not a disqualifier, but it requires explaining, and the competition does not have the same gap to explain.
  • Going around the LCPO to the XO or the project OIC when a platoon management disagreement surfaces.
    The chief hears about it before the BU1 has time to reach the XO's office — and the question the XO now has is about the bypass, not the original disagreement. The eEVAL input is written by the LCPO who was bypassed. The pattern of going around the chain of command is a pattern the Chief board reads in the narrative, and it is one of the few patterns that actively closes the Chief slate regardless of other performance metrics.

Career Decisions at This Rank

  • Chief board submission timing — first eligible board vs waiting for a stronger packet
    The Chief board reads the complete eEVAL profile, and a first-eligible submission with a strong record is almost always better than waiting for a 'better' packet that the sailor cannot build in one more year. The honest evaluation: if the SCW device is pinned, the eEVAL profile has two or more EP recommendations, and the senior rater comment is genuinely positive, submit on the first eligible board. If one of those three elements is missing, identify the timeline to close it and submit when it is closed — which may still be the first board if the timeline is short enough.
  • Schoolhouse or shore-billet tour vs another NMCB deployment rotation at BU1
    The NMCB deployment record is the primary Chief board credential in the BU rate. A BU1 who has two deployment rotations as LPO has a stronger project record than one who took a shore billet between NMCB tours. However, a Navy schoolhouse or a NAVFAC project office billet builds a different credential — contract administration, project management, NAVFAC systems familiarity — that is increasingly valued in the NAVFAC civilian hiring market post-service. The honest answer depends on whether the BU1 is Chief-bound and NMCB-community-bound, or building toward a NAVFAC civilian career. Both paths are valid; the one that is wrong is the one chosen without knowing which destination the sailor is actually pointing at.
  • OPNAVINST 1306 detailing preference — homeport preference vs best-for-career assignment
    The NMCB community is smaller than most Navy ratings, and detailing cycles at BU1 have fewer options. The BU1 who requests a specific homeport because of family preference may receive it at the cost of an NMCB tour that would have produced the EP recommendation that pushed the FMS past the Chief board cutoff. The honest conversation with the detailer, the LCPO, and the family is: what is the Chief board timeline, which assignments produce the record that supports it, and what family sacrifice is the right trade-off for the career outcome the BU1 is actually pursuing.

How the Seat Varies by Unit Type

  • NMCB LPO on a WESTPAC, CENTCOM, or AFRICOM deployment rotation
    The defining BU1 experience. Multiple concurrent project phases, NAVFAC QC rep, OIC briefings, platoon management across 10-20 Seabees. The project record produced here is the Chief board foundation.
  • NMCB in CONUS garrison (pre- or post-deployment)
    Equipment PMS, subordinate advancement preparation, eEVAL writing, battalion training. The garrison period is where the Chief board packet is assembled and where the subordinate pipeline is counseled. The BU1 who treats garrison as a maintenance period rather than a development period arrives at the next deployment without the pipeline output or the packet completeness the board expects.
  • Navy schoolhouse or NAVFAC project office billet (instructor, project manager, or contract administrator)
    A career broadening assignment that builds a different credential — NAVFAC project management, contract administration, construction quality assurance from the owner's side rather than the contractor's side. The BU1 at a schoolhouse billet is not building the NMCB project record — but the civilian hiring market values the NAVFAC-side experience at least as much as the NMCB foreman record. Not the Chief board's preferred path, but not the wrong path for the BU1 who is building toward a NAVFAC civilian career.
  • HA/DR response (deployed activation for disaster relief)
    Compressed timelines, media visibility, joint task force command structure. The BU1 LPO on an HA/DR activation is running the platoon under the same standard as a deployment — and the visibility is higher because the mission is covered publicly. The construction quality and the safety record from an HA/DR activation are the eEVAL inputs the battalion commander writes personally rather than delegating.

What Good Looks Like at This Rank

The good BU1 is the LPO the project OIC does not have to follow up. The morning status brief comes with the QC log open — not from memory, from the document. The NAVFAC QC rep signs the daily report without comment because the hold points were notified 24 hours in advance and the work was ready when he arrived. The AHAs reflect the actual scope because the BU1 reviewed and updated them after the scope changed yesterday, not after the inspector found the gap today. His BU2s are advancing. He can tell the LCPO at any point which BU2 is on track for BU1 and what their exam preparation looks like. He has written at least one eEVAL narrative that the chief read and said 'this is what a good eEVAL looks like' — because it named a project, named the outcome, named the metric, and named the sailor's specific contribution. His SCW device is pinned and his project record from BU2 and BU1 deployments is the chapter of the Chief board packet that does not require explanation. The thing about the good BU1 that is hardest to quantify is the crew culture he builds. The Constructionmen on his platoon know the standard before they start work because the BU1 told them at the morning brief. They know the AHA requirement because the BU1 enforced it consistently for 90 days, not for the week the safety officer was watching. They advance because the BU1 gave them documented study time and wrote honest counseling records. The NMCB that has three good BU1s produces three successful Chief board packets. The one that has three BU1s who managed rather than led produces three BU1s still waiting for the Chief slate in year eight.

Preview — The Next Rank

Chief Petty Officer Builder is the defining professional milestone of the BU rate. The anchors change everything — not because the job description changes in a bureaucratic sense, but because the NMCB community's trust in you changes in a fundamental way. The BU1 is trusted to execute; the Chief is trusted to lead. The Chief is the enlisted technical authority the CEC officer brings the unbuildable design to. The Chief is the LCPO who runs the department, writes the eEVALs that pick the next BU1 and BUC slate, and owns the construction output for the entire NMCB construction company. CPO Academy — the transition process for newly selected chiefs — begins when the board results drop and before the anchor is pinned. It is intensive and deliberately uncomfortable; the enlisted Sailors in your division are watching whether you emerge from it different in the ways the anchor requires. The goat locker is a professional institution. The standard the Chief Petty Officer Mess holds is real and the NMCB enforces it with more rigor than most surface ship communities because the Seabee mission requires the technical authority and the human leadership simultaneously — neither one without the other.
FAQ

BU E6 — Frequently Asked Questions

Q01What does a E6 BU (Builder) actually do?
You are LPO of a BU crew or a construction platoon — 10-20 Builders from BNCN through BU2 — and you own the construction output, the safety record, and the enlisted execution from the deckplate to the finished deck.
Q02What's the most important thing to know as a E6 BU?
BU1 is where the NMCB's 'Can Do' either has a foundation or it does not.
Q03What does a typical day look like for a E6 BU?
Time-blocked day at the E6 BU rank tier: 0500-0545 Review the Plan of the Day, project schedule, any overnight equipment status changes. The BU1 arrives with the day planned — not planning after quarters, 0545-0645 Battalion PT. The BU1 runs at the front. The platoon reads the standard off the LPO's performance, 0645-0800 Hygiene, chow, AHA review and revision for today's scope, brief preparation for the project OIC's morning status call if scheduled.…
Q04What mistakes get E6 BU soldiers fired or relieved?
Briefing project status to the OIC from memory rather than from the QC log — when the NAVFAC QC rep's inspection record contradicts the BU1's status brief, the OIC knows which one is current, and the pattern is visible on the eEVAL; Approving an AHA that was copied from a different project without revising the hazards — one stop-work order from a safety inspector means the entire site stops until the program is corrected; the battalion operations officer asks who signed the AHA;…
Q05What career decisions matter most at the E6 BU rank tier?
Chief board submission timing — first eligible board vs waiting for a stronger packet — The Chief board reads the complete eEVAL profile, and a first-eligible submission with a strong record is almost always better than waiting for a 'better' packet that the sailor cannot build in one more year. The honest evaluation: if the SCW device is pinned, the eEVAL profile has two or more EP recommendations, and the senior rater comment is genuinely positive, submit on the first eligible board. If one of those three elements is missing,…
Q06What's next after E6 for a BU (Builder) in the Navy?
Chief Petty Officer Builder is the defining professional milestone of the BU rate.
Q07What manuals and regulations does a E6 BU need to know cold?
UFC 3-000 series and the project-specific NAVFAC specifications — the construction law you execute and defend at every inspection.; EM 385-1-1 — full manual; you are the safety officer's enforcement arm on the project, and the chapters you quote are the ones that stop injuries.; ACI 318 — current edition; you are the person the project OIC calls when the QC rep flags a placement or curing issue.

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Published by the Honest MOS Editorial DeskVerified against DoD/.gov sourcesUpdated May 2026Editorial standards