---
kind: "section"
citation: "46 C.F.R. § 62.25-30"
title: "46"
number: "62.25-30"
heading: "Environmental design standards."
url: "https://uscodex.org/cfr/46/62.25-30"
---

# §62.25-30. Environmental design standards.

- (a) All automation must be suitable for the marine environment and must be designed and constructed to operate indefinitely under the following conditions:
  - (1) Ship motion and vibration described in Table 1 of [section 4-9-9](/cfr/46/4-9-9.md) of the ABS Marine Vessel Rules (incorporated by reference; see [§ 62.05-1](/cfr/46/62.05-1.md)); note that inclination requirements for fire and flooding safety systems are described in [§ 112.05-5(c)](/cfr/46/112.05-5.md?p=c) of this chapter.
  - (2) **Ambient air temperatures described in Table 1 of part 4-9-9/3 of the ABS Marine Vessel Rules.**
  - (3) Electrical voltage and frequency tolerances described in Table 1 of [part 4-9-9](/cfr/46/part4-9-9.md) of the ABS Marine Vessel Rules.
  - (4) **Relative humidity of 0 to 95% at 45 °C.**
  - (5) Hydraulic and pneumatic pressure variations described in Table 1 of [part 4-9-9](/cfr/46/part4-9-9.md) of the ABS Marine Vessel Rules.
- (b) Low voltage electronics must be designed with due consideration for static discharge, electromagnetic interference, voltage transients, fungal growth, and contact corrosion.

## Notes

### Amendments

[USCG-2020-0634, 89 FR 50192, June 12, 2024]

### Authority

Authority: 46 U.S.C. 3306, 3703, 8105; sec. 617, Pub. L. 111-281, 124 Stat. 2905; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 81-030, 53 FR 17838, May 18, 1988, unless otherwise noted.

### Amendments

[USCG-2020-0634, 89 FR 50192, June 12, 2024]