Horton Double Deck Floating Roof

The outer annular bay is divided into smaller compartments by radial bulkheads.

Horton double deck floating roof.

A horton double deck floating roof consists of two complete decks top and bottom joined by a series of concentric rims forming buoyant annular bays. The tank calculation sheets showed the load combinations for supporting lugs are 1 long term is dead load of roof live load 122kg m2 25psf 2 short term is dead load of roof rain fall 250mmaq. 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. Enhanced design requirements improve reliability for floating roofs.

Diameter to store crude oil. A double deck floating roof comprises a circular like pontoon made up of two. Specifically it is an environment friendly and economical storage tank or oil tank installed a floating roof under the vault of the tank usually made of aluminum stainless steel or other material to prevent the. The sketches shown illustrate the above single deck and double deck floating roof with the critical components for these structures.

Meyers only has a cross section and a vague picture. It consists of an open topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid. Double deck roof is more rigid than the single deck and the air gap between the upper deck and bottom deck plates works as an insulation which reduces the solar heat reaching the product during the hot weather. If your floating roof is beyond repair we can demo your existing roof and design a new floating roof that is compliant with the current requirements of api 650.

Advance tank performs all floating roof repairs in strict compliance with api 653 and api 650 standards. Roof designs shown have been used in tanks as large as 345 ft. Some e f t of 86m in diameter in our plant. The type of floating roof is double deck.

Figure 2 double deck floating roof. So the transfered weight from live load is 125t for 118. A pan type floating roof comprises a single circular deck or plate having a vertical rim at the periphery thereof. Does anyone have cad drawings or pdf files for a ddfr showing details for tank of diameter 300 ft say eg pontoon layout location of support legs etc any information will be.