I need a line diagram for residential multipurpose piping (PEX) fire sprinkler system. You must design and spec materials for this residential fire sprinkler system for a small 1200sf 2br, 1.5ba home. Water supply is via water well and 750 gallon storage tank with jet pump. Design to include materials list. Designer/engineer must be experienced with NFPA 13D. Owner/builder to install as permitted by Texas law.