Rafter Supported Dome Roof Tank

Zero hot work at site.

Rafter supported dome roof tank.

Minimum silicone usage after installation. When the roof is self supporting internal space of the tank is free and it is more convenient to install internal floating roof. 5 slope of bottom flat bottom plate data. Traditionally their construction is composed by radial elements girders ring shaped elements rings and roof cover.

Tank connection can provide the right solutions the. More accuracy and tightness with lock bolt connection. In many instances an aluminum dome may be requested to replace an existing roof that is failing or the customer may wish to add a dome to an open top tank. Tank connection can also design and install stand alone domes for any type of steel tanks bolted or welded as well as concrete tanks.

Design of steel storage tanks as per api 650 self supported cone roof design data service hsd service allowable design st capacity 21 kl allowable test stre type of tank self supported cone roof specific gravity of l dia of tank feet 10 004 corrosion allowance height of tank feet 9 512 slope of roof 1. Easy to install central platform for all the accessories on the top. Another option would be an aluminum dome roof. On a tank of that size an umbrella would work pretty well.

No other means of support is used. Design and construction requirements for dome roof tank of capacity 70 000 m3. A major part of the domes are used to cover steel tanks for oil storage. Central safety hook connection for any purpose on the dome roof.

Self supporting roofs especially dome roof are very suitable when internal pressure is increased. The dome roof tank is usually used for storing volatile liquids at low pressure. The center column and rafters themselves do involve some extra maintenance liability but also lower the initial cost. The dome roof tank comes in a single and double wall type.

You can use a columnless arrangement with rafters or use trusses but these don t really improve the maintenance aspect. Latterly internal floating roofs can be mounted when fixed roofs is supported and there are columns inside.