Bulkhead means an airtight structure separating the working chamber from free air or from another chamber under a lower pressure than the working pressure;
SOQ means Statement of Qualifications.
Freeboard means a factor of safety usually expressed in feet above a flood level for purposes of floodplain management. "Freeboard" tends to compensate for the many unknown factors that could contribute to flood heights greater than the height calculated for a selected size flood and floodway conditions, such as wave action, blockage of bridge or culvert openings, and the hydrological effect of urbanization of the watershed.
Compartment means a part of the EU guarantee defined in terms of the origin of the resources backing it;
kVA means kilovolt-ampere or kilovolt-amperes;