Floating Roof Double Deck Pontoon

In my humble opinion the double deck arrangement would be a more robust design but may cost extra and a detailed techno economic evaluation would be needed to arrive at the optimum option.

Floating roof double deck pontoon.

The two preferred configurations for external floating roofs are the double deck and the low single deck with 30 minimum pontoon area. External floating roof tank double deck type an external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate. The low single deck is the more efficient of the two for 30 to 170 foot diameter tanks. Sketches are provided in the article depicting the pan type pontoon and double deck arrangement for external floating roof tanks.

A double deck type floating roof has two complete decks covering the entire liquid surface. Pontoon type floating roofs are the most economical type of floating roofs in the market. These include new builds together with the evaluation of existing roof designs for suitability such as analysing the various flotation cases and repair. It consists of an open topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid.

The roof is consisted of a portion divided by the ring and radial bulkheads into several compartments and a portion called the flexible bay. Figure 1 4 single deck pontoon type floating roof bob. Double deck pontoon roofs which are designed with concentric annular pontoons with radial bulkheads in each pontoon section. Ergil storagetech internal floating roofs which minimize the evaporation losses of stored products such as jet fuels gasoline diesel and crude oil can be supplied as aluminium or stainless steel.

Types of external floating roof consist of.