Floating roof definition

Floating roof means a cover consisting of a double deck, pontoon single deck, internal floating cover or covered floating roof, which rests upon and is supported by the liquid being contained, and is equipped with a closure seal or seals to close the space between the roof edge and waste management unit.

Floating roof means a storage vessel cover consisting of a double deck, pontoon single deck, internal floating cover or covered floating roof, which rests upon and is supported by the volatile organic compound being contained and is equipped with a closure seal or seals to close the space between the roof edge and tank wall.

Floating roof means a cover consisting of a double deck, pontoon single deck, or internal floating cover which rests upon and is supported by the material being contained, and is equipped with a continuous seal.

Examples of Floating roof in a sentence

Floating roof tanks with secondary seals have been provided for crude and light end products to reduce hydrocarbon and fugitive emissions.8. Flare gas recovery unit is provided to recover hydrocarbons going to the flare system.9. New sulfur recovery plant with Max Clause process and Tail Gas Clean up (S recovery>99%) has been installed to recover elemental sulfur from acid gases10.
Floating roof tanks:Model floating roof tanks as a circle of eight (or more) point sources, representing the tank itself as a building for downwash calculations.
Floating roof tanks control vapor spaces by lowering and lifting the tank roof to reduce the vapor accumulation on top of the storage liquid.
Floating roof tanks subject to the provisions of Section 303.1 of this rule shall have no visible holes, tears or other openings in the seal or in any seal fabric.(2) The accumulated area of gaps between a tank's wall and primary seal shall not exceed 10 square inches per foot of tank diameter (21.2 cm2 per meter)(3) The width of any portion of any gap shall not exceed 1½ inches (3.8 cm).
Floating roof tanks are equipped with a rim seal system to minimize evaporation losses around the rim.

More Definitions of Floating roof

Floating roof means a roof on a stationary tank, reservoir, or other container which moves vertically upon change in volume of the stored material.

Floating roof means a movable roof in a storage vessel consisting of a floating deck resting on the surface of the liquid contents, a continuous seal supported against the inner surface of the tank shell, and an envelope closing the gap between the floating deck and the seal. The entire deck, seal and envelope combination is free to rise and fall with the surface of the liquid during filling and emptying of the storage vessel;

Floating roof means an AST which has a movable roof or cover which floats or rides upon the surface of a Regulated Substance to contain vapors from a Regulated Substance stored within the AST or prevent unwanted contaminants from entering the AST.

Floating roof means an external or internal pontoon type or double-deck type roof resting on the surface of the liquid contents in a storage vessel, and equipped with a mechanism providing one or more tight seals in the space between the floating roof rim and the vessel shell throughout the entire vertical travel distance of the roof, or any other floating type mechanism approved by the Department for the purpose of preventing air contaminants from being discharged into the outdoor atmosphere.

Floating roof means a cover:

Floating roof means a storage-vessel cover consisting of a pontoon, single-deck, double- deck, or internal floating solid material which rests upon the surface of and is supported by the liquid contents, and is equipped with a seal to close the space between the edge of the solid material and tank wall.