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n <br />SLURRY STORAGE TANK <br />INFORMATION <br />1. Function and configuration are described in the attached "Technical <br />Specifications for Slurry Storage Tank". <br />2. Tank will rest on a 6 -inch deep, 2211 -foot dia. layer of crushed rock <br />retained by a steel ring. The rock, in turn, will lie on an existing <br />6 -inch thick, 30 x 33 foot concrete slab. (See Dwg. 2-188-4) <br />3. Foundation bearing pressure is calculated as follows: <br />M41 <br />(Projected roof or floor area 363 ft.2 ) <br />Weight of 3 agitators, motors, housings and attachments 10,000 lbs. <br />Roof Live Load (40 Ib/ft. 2 ) x 363 ft. 2 14,500 <br />Weight of steel tank shell and attached structures 17,500 <br />Weight of slurry when filled to overflow (363 ft. 2) x <br />(15.5 ft. height) x (62.4 lb/ft3) x (1.2 max sp. grav) 421 300 <br />T OMAT anon <br />�C— <br />Bearing Pressure 463.300 2 <br />363 ft.2 = 1276 lb/ft. <br />4. Soil investigation by Lowry Associates of Sacramento performed in <br />August 1975 has concluded that the tank should cause, at the most, <br />only minor settling and that only when the maximum load is first applied. <br />5. Piping to tank employs Victaulie couplings which allow sufficient <br />rotation to accomodate 4 inches of settling without imposing flexural <br />stresses in the pipe. <br />