This report summarizes the Pacific Institute’s economic evaluation of the Cadiz groundwater storage and transfer project. The evaluation is consistent with and elaborates on the analysis previously submitted by Professor Charles Howe of the University of Colorado at Boulder, a highly experienced water resources economist, in response to the draft Environmental Impact Report. It also updates the statements made by Gary Wolff, Principal Economist and Engineer at the Pacific Institute, in oral testimony before the Metropolitan Board of Directors on April 9 and 10, 2001.
Meeting the food requirements of a growing global population is becoming increasingly difficult. Despite the need for additional food, it is estimated that 50-60% of grain is lost after harvesting, at a cost of about $1 trillion per year.1
One of the major reasons for lost grain is spoilage due to mould or insect infestation during storage.2 To provide a constant supply of grain year-round, after grains are harvested they are often kept in long term storage. Maintaining the quality of stored grain is crucial,...
When purchasing a bolted steel tank or a welded steel water storage tank, one of the key criteria determining the design parameters of the tank is the Seismic Use Group (SUG) classification. The term Seismic Use Group is essentially the same as the terms Occupancy Category and Risk Category used by the International Building Code (IBC) and the American Society of Civil Engineers (ASCE). The Seismic Use Group classification is used to determine the magnitude of environmental loading applied to the bolted or welded...
These images show the concrete tank before any preparation work and then after preparation and concrete water tank relining and repair. The concrete tank was fully relined with Acothane DW. This underground, concrete, water storage tank is located at a university and sized at approximately 12m x 3m x 3m. The fibre glass lining that had been previously applied to the floor and part of the side walls had reached the end of its useful life due to general deterioration, water entrapment and subsequent de-bonding:
Every year, we sell hundreds of parts for bolted tanks and welded steel tanks. Even though many ground storage tanks needing parts were not originally manufactured by Superior Tank Co., Inc., we can provide standard replacement components for steel storage tanks or can fabricate custom parts and accessories to fit.
Over the last 32+ years, we have discovered there are five storage tank elements which are key to ensuring your water and oil storage tanks achieve their maximum lifespan:
Ground storage tank...
The Great Artesian Basin (GAB) in Australia, the largest artesian basin in the world, is rich in groundwater resources. This study analyzed the spatio-temporal characteristics of terrestrial water storage (TWS) in the GAB for 2003–2014 using satellite (Gravity Recovery and Climate Experiment, GRACE) data, hydrological models’ outputs, and in situ data. A slight increase in TWS was observed for the study period. However, there was a rapid increase in TWS in 2010 and 2011 due to two strong La Nina events. Long-term...
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