Water Storage Tank Roof Rafter Earthquake Straps
If the existing strapping is not 4 inches up then it is rather easy to move the strap up.
Water storage tank roof rafter earthquake straps. Awwa also has standards for coating steel water storage tanks d102 14 and factory coated bolted carbon steel tanks d103 09. The sloshing phenomena and pressures by the sloshing on the tank roof have been presented. To obtain an illustrated copy of these standards contact the state and. Holdrite quick strap stainless steel gas electric tankless water heater expansion tank mounting bracket model qs u 16 61 16 61.
Second secure tank with heavy gauge metal straps top and bottom. The storage of water spherical tanks pressure vessels for the storage of high pressure liquefied. Commercially available strapping kits make this a relatively easy process. The event of earthquake the design spectrum for sloshing in tanks the design pressure for silos.
Replace all copper and metal piping with flexible natural gas and water line connectors. In the three dimensional tank most developed models use shell element for the wall the roof and the tank bottom beam elements for the roof rafters and fluid element for liquid containing cylindrical tank. These can be found in many hardware stores on the aisle displaying the water heaters. Get free shipping on qualified restraint water heater accessories or buy online pick up in store today in the plumbing department.
Tank damage mode at hanshin awaji earthquake. Roof rafters designed using a roof live load greater than 50 lb ft 2 2 400 n m 2 may utilize higher allowable stresses when using material with minimum specified yield strength greater than a36 material. It begins with design. What follows is advice from four manufacturers of water storage tanks and two tank consultants whose job it is to independently inspect water tanks as they are being built repaired or recoated.
Extensive requirements were added for anchor bolts and anchor straps. Rheem protech earthquake strap model sp13345 26 99 26 99. In this work the tank used has been treated by several authors 8 15 the tall tank has a height to a radius ratio h r of 2. European erasmus mundus master course sustainable constructions under natural.
Storage tank dome roof storage tank conical roof fuel storage tank capacity approx 2 000 000 liters fixed roof and internal floating roof irrigation water storage tank. The bottom strap on a water heater should be a minimum of 4 inches above the gas valve controls. Water heaters should be strapped so that in an earthquake they cannot shift about or move in any.