Free field guides

Tank Field Guides

Printable, plain-English guides to the parts of an aboveground storage tank, with the other names you'll hear on site. Built by TankForge.

Free · 48 parts

Tank Roof Field Guide

Thief hatch · Gauge well · Sample well · Roof manway

Free printable PDF — coming soon

Shell & nozzles

Manways, nozzles, cleanout fittings, shell plate courses.

Free printable PDF — coming soon

Bottom & foundation

Annular ring, sketch plates, foundation types, leak detection.

Free printable PDF — coming soon

Damage & defects

Pitting, laminations, settlement, coating failure — how to describe what you find.

Free printable PDF — coming soon

Stairs & platforms

Spiral stairs, crossovers, handrail rules, ladder cages.

Free printable PDF — coming soon

Floating roof seals

Primary and secondary seal types, in more depth than the roof guide.

Built by TankForge — API 653 inspection software

The Annex C checklist, tank drawings, UT readings and the finished report, on one iPad, from the tank deck — even with no signal.

Free printable guides to other tank parts are coming — shell, bottom & foundation, nozzles.