SECTION 217.244. Sludge Pumps

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(a) A sludge transfer pump size must be based on the quantity and character of the solids load.
(b) A mechanical pumping system must provide the required firm pumping capacity with the largest sludge pumping unit out of service.
(c) A centrifugal sludge pump must have a positive suction head, unless the pump includes a priming device.
(d) A positive displacement pump or other type of pump must have demonstrated solids handling capability for handling sludge.
(e) A positive suction head of 24 inches or more is required for all sludge pumps.
(f) An air lift pump may be used as a sludge pump, and must comply with requirements of §217.162 of this title (relating to Air Lift Pump Design).

Source Note: The provisions of this §217.244 adopted to be effective August 28, 2008, 33 TexReg 6843; amended to be effective December 4, 2015, 40 TexReg 8254

                    
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