# Inspection openings.

- **operation:** document
- **citation:** 49 CFR 178.270-9
- **title:** Inspection openings.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 2005-10-01
- **summary:** Each portable tank must be fitted with a manhole or other inspection opening sited above the maximum liquid level to allow for complete internal inspection and adequate access for maintenance and repair of the interior. Each portable tank with a capacity of more than 1,894 L (500 gallons) must be fi
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-178-270-9.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-178-270-9.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-178-270-9
- **source url:** https://www.govinfo.gov/app/details/CFR-2005-title49-vol2/CFR-2005-title49-vol2-sec178-270-9
**body:**

Each portable tank must be fitted with a manhole or other inspection opening sited above the maximum liquid level to allow for complete internal inspection and adequate access for maintenance and repair of the interior. Each portable tank with a capacity of more than 1,894 L (500 gallons) must be fitted with an elliptical or round manhole at least 279 × 381 mm (11 × 15 inches), or 254 × 405 mm (10 × 16 inches), or with a circular manhole at least 381 mm (15 inches) in diameter. Any inspection opening and closure must be designed and reinforced as required by Section VIII of the ASME Code (IBR, see § 171.7 of this subchapter).

[68 FR 75750, Dec. 31, 2003]
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- **body characters:** 663