46 CFR 170.300 - Special consideration for free surface of spoil in hopper dredge hoppers.
The calculations required by this subchapter for each self-propelled hopper dredge must include -
(a) The free surface effect of consumable liquids and the free surface effect of the dredged spoil in the hoppers; and
(b) Either of the following assumptions when performing the calculations required by § 174.310(b) of this chapter:
(1) If the dredged spoil is assumed to be jettisoned, the free surface of the dredged spoil may be disregarded.
(2) If the dredged spoil is not assumed to be jettisoned. the free surface of the dredged spoil must be calculated.
Title 46 published on 09-May-2017 04:27
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 46 CFR Part 170 after this date.