46 CFR §153.330

1. (a)The access door to a cargo pump-room must open on the weatherdeck.
2. (b)The access way to a cargo pump-room and its valving must allow passage of a man wearing the breathing apparatus required by § 153.214(b)(1).
3. (c)Each ladderway in a cargo pump-room must be free from obstructions by piping, framework, or other equipment.
4. (d)Cargo pumproom ladders and platforms must have guard railings.
5. (e)Each ladder to a cargo pump-room must have an incline from the horizontal of less than 60°.