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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 217DESIGN CRITERIA FOR DOMESTIC WASTEWATER SYSTEMS
SUBCHAPTER JSLUDGE PROCESSING
RULE §217.244Sludge Pumps
(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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