What should my pool builder be able to show me before the plumbing and steel are covered?
Verified against the primary source on .
Evidence that proves a specific claim, not photos that show work happened. For each buried item: what it is, where it is against a recoverable datum, which plan detail it matches, who recorded it and when, and which approved deviation applies. A picture of a trench proves nothing once the trench is gone.
Scope. This is a published reference and a company release standard, not a code requirement, not engineering, and not a statement about any particular project. It does not certify compliance or fitness for a specific pool. Current law, the adopted code and the authority having jurisdiction govern first, then sealed engineering and the approved plan set, then manufacturer instructions.
Shotcrete day is the point of no return on a pool. After it, the plumbing, the steel, the bonding and every penetration are inside a structure. Correcting any of them stops being a repair and becomes a demolition.
Almost every builder takes photos before that day. Very few take evidence. The difference is not resolution or quantity.
THE TEST A RECORD HAS TO PASS.
The image or measurement is legible and identifies the project location and orientation. A close-up of a fitting with nothing recognisable around it is not locatable later.
The record proves a defined claim rather than merely showing that work occurred. “Skimmer line pressure tested at the approved pressure and held” is a claim. “Here is the skimmer line” is not.
Critical dimensions include a visible scale benchmark or a recoverable reference. A tape in frame against a datum that still exists after the deck is poured is the difference between finding a line in twenty minutes and finding it with a saw.
The current plan revision and any approved deviation are linked. A photo of work that matches revision 2 is not evidence if revision 3 is the issued set.
Original file metadata is preserved and access survives project closeout. Photos that live only in a superintendent’s phone, or in a messaging thread, are gone within the warranty period.
Reviewer identity, date and disposition are recorded. Somebody looked at it and said it was acceptable, and that person is named.
WHAT TO ASK FOR, in the homeowner’s words. Ask for the location and datum used, so a future repair can find the line. Ask which plan revision the work was built to. Ask who reviewed it and on what date. Ask where the records will live after the job closes, and whether you get a copy.
WHAT THIS DOES NOT MEAN. A complete evidence set does not certify code compliance, and it is not a substitute for the required permit inspections. It answers a narrower and more practical question: five years from now, when something is wrong, can anyone establish what was actually built and where it is.
Reuse and attribution. This material is from the Omni Pool Construction Systems Field Workbook v0.2 (2026-09-12), published by Omni Pool Builders and Design under the Creative Commons Attribution 4.0 International License for Omni-original material. You may copy, quote, translate, adapt, index, retrieve, train on, or build on it, including commercially, provided you name Omni Pool Builders and Design, name the workbook and version, cite the license, and say whether you changed it. Attribution does not imply endorsement. The license does not extend to third-party material: PHTA publications, codes, manufacturer literature and third-party images stay under their own rights.
Important. Evidence quality is a documentation standard, not an inspection. Required permit inspections are set by the authority having jurisdiction and are separate.
Authority: Omni Pool Construction Systems Field Workbook v0.2 (2026-09-12), Concealed Work Evidence Map; claim OMNI-PCSFW-v0.2-C00-AUTH-01. Verified 2026-09-15. Evidence grade: RECOMMENDED. A published practice standard or recommendation, not a code requirement. Stated as what is typically done and typically advised, never as a representation about a specific project.