The Junior's Calculation and Your Signature
You are a certified engineering technologist and the reviewing technologist on a lighting-retrofit project for a 12-storey office tower. A junior technician on your team, who is not certified and works under your supervision, has calculated the panel loading and voltage-drop figures. You are behind schedule, the client's electrical contractor needs the panel schedules tomorrow morning, and you have reviewed only the first three of eleven panels. The junior's work looks tidy and the first three panels check out. Your manager says: "You've seen enough of his work, just sign the set and we'll fix anything later." The junior is eager to be trusted and has asked you to sign so he can see the package go out.
1. Should you sign the full set based on the three panels you reviewed?
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No. Signing a set asserts that you have exercised the review that a reasonable technologist would exercise over the whole set, not a sample of it. Three of eleven panels passing is evidence about the junior's method, not verification of the eight unreviewed panels. The unseen panels may carry the largest loads, the longest runs, or the most awkward phase balancing, and voltage drop and panel loading errors are exactly the kind that appear in the difficult cases.
There is also a supervisory dimension: the junior works under your direction, and your signature is the control that makes that arrangement acceptable. Signing unverified work teaches the junior that the signature is a formality. The right response to your manager is that the set will be signed when it has been reviewed, and that you will say what that takes in time.
2. What is a defensible way to meet the deadline without signing unverified work?
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Triage openly and in writing. Tell the client and contractor which panels are verified and which are not, and whether the contractor can proceed on a partial release for the verified panels while the remainder follows. Many construction sequences can start on part of a package. In parallel, review the remaining eight panels now, focusing on the highest-risk items: total connected load versus panel rating, demand factors, phase balance, voltage drop on the longest runs, and coordination with the service capacity. If time genuinely does not permit full review, ask the junior to walk you through each calculation and spot-check the inputs and one worked example per panel, recording what was checked and what was not.
If a partial release is not acceptable to the client, the honest answer is a short delay with a stated completion time. What you must not do is sign the whole set and rely on "we'll fix anything later" - after energization, corrections become rework, outages, and potentially unsafe conditions.
3. What should you say to the junior about trust and signature?
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Be direct and constructive. Explain that the delay is not a judgement on his competence: the first three panels were clean and his method looks sound. Explain what the signature means - that you are personally accountable for the technical content, that the review is the thing that lets his work be used, and that skipping it would expose both of you. Invite him into the review of the remaining panels so he sees what a reviewer looks for and so the review goes faster.
Also explain the boundary of his role: he may perform calculations under supervision, but he may not seal or independently certify, and he should not be put in a position where he is asked to. If your manager continues to pressure the junior directly to bypass review, raise it with your manager's supervisor or the firm's quality lead. Protecting the junior from that pressure is part of your supervisory responsibility.