Product BOM Register

This page is the structured parts register for the containment system. Its purpose is to preserve rebuild capability, organize assemblies and subcomponents, track supplier options, and separate critical parts from non-critical items under a lean redevelopment approach.

Purpose of this register

Capture the core parts needed to rebuild containment systems independently.
Record materials, suppliers, and alternate sourcing options.
Separate high-risk dependency parts from common items.
Support future improvement, certification, and selective commercialization.
Create a clean technical reference linked to CTU baseline versions.

Use rule

Do not try to build a perfect ERP-style system here. Record only the information needed to reproduce, source, improve, and manage the containment family. This page should stay practical, readable, and easy to update.

Recommended BOM fields

Assembly control

Assembly name
Parent system
Revision
Status

Part control

Part name
Part number
Qty per assembly
Function

Sourcing control

Material
Current supplier
Alternate supplier
Risk / notes

Master BOM register

Assembly	Part No.	Part Name	Material / Spec	Qty	Function	Current Supplier	Alternate Supplier	Revision	Status	Notes / Risk
CTU-002	CTU-002-001	Main containment body	TBD	1	Primary containment structure	TBD	TBD	R1	Baseline	Core part. Record thickness, forming method, and finish.
CTU-002	CTU-002-002	Mechanical fitting set	TBD	1 set	Mounting and fit interface	TBD	TBD	R1	Baseline	Document size variation and fit dependency.
CTU-002	CTU-002-003	Coating / finish	TBD	1	Corrosion and field protection	TBD	TBD	R1	Active	Capture actual coating type and application notes.
CTU-002	CTU-002-004	Urethane sealing element	TBD	1	Seal and leakage control	TBD	TBD	R1	Critical	Track wear pattern and material consistency.
CTU-002	CTU-002-005	Felt / seal contact component	TBD	1	Support sealing interface	TBD	TBD	R1	Critical	May belong under accessories if field-replaceable.
Accessory	ACC-001	Rain guard	TBD	1	Top-side protection	TBD	TBD	R1	Active	Confirm whether standard or optional by application.
Level Safety	LS800-001	Float switch assembly	TBD	1	Overflow / level safety trigger	TBD	TBD	R1	Certification path	Link to level safety page and certification notes.
Level Safety	LS800-002	Wire lead / terminal connection	TBD	1	Electrical interface	TBD	TBD	R1	Certification path	Record rating, insulation, and field use requirement.
Level Safety	LS800-003	Relay / switching module	TBD	1	10A switching function	TBD	TBD	R1	Certification path	Critical for approval path. Record exact rating and source.

Replace “TBD” fields as you document actual parts. Delete rows that do not apply and add new rows under the correct assembly group.

Assembly grouping logic

Core containment: body, fittings, coating, primary seals.
Accessory layer: rain guards, tops, service parts, field add-ons.
Replacement parts: consumables and recurring service components.
Level safety: float switch, wiring, relay, mounting hardware.
Future development: CTU-003, methane sensing, communication modules.

Priority classification

Baseline

Needed to define and preserve the main containment system.

Critical

High-risk or performance-sensitive part affecting function and field reliability.

Certification path

Part directly affecting CSA / UL / cULus path or electrical compliance.

Suggested data entry sequence

1. Start with CTU-002

Capture only the main body, fitting, coating, and primary sealing structure first.

2. Add replacement parts

Bring in recurring items and components tied to maintenance or frequent changeout.

3. Add float switch path

Keep level safety as a linked high-leverage module, not the entire system focus.

Internal guidance

This register is meant to preserve control, not create administrative burden. Focus on the real parts that matter, the materials that affect performance, and the suppliers that affect independence. If a part does not help rebuild, improve, source, or certify the system, do not overwork it here.

Next linked pages

Core Containment System — baseline mechanical truth layer.
Accessories & Components — revenue and support structure.
Failure / Improvement Log — issue → cause → fix mapping.
Float Switch / Level Safety — certification-linked module.