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<br />?7=- W~/ -tY3 <br /> <br />GULLETT & ASSOCIATES, INC. <br /> <br />7705 South Loop East -77012 <br />P.O. Box 230187 -77223 <br />Houston, Texas <br />713-644-3219 <br />Fax: 713-649-0020 <br /> <br />December 4,2007 <br /> <br />Planning Department <br />Mr. Rodney L. Slaton <br />City of La Porte <br />604 W. Fairmont Parkway <br />La Porte, Texas 77571 <br /> <br />RE: Revised Permit Application package for HSC PIPELINE PARTNERSHIP, L.P. to <br />install one 8" pipeline and one 6" pipeline within the city limits of the City of La <br />Porte, Harris County, Texas. <br /> <br />Dear Mr. Slaton: <br /> <br />HSC PIPELINE PARTNERSHIP, L.P. a Delaware limited partnership whose address is <br />P.O. Box 4324 Houston, Texas 77210-4324, is hereby requesting a pipeline permit. <br /> <br />The pipeline system will be used to transport liquefied petroleum gases (MSDS sheet <br />attached). The 8" pipeline starts at an existing valve site in the Pasadena Refinery area <br />and runs to a surface site in LaPorte. The 6" pipeline exits the surface site and ties into an <br />existing pipeline south of UnionPacific in LaPorte. The route through the City of La <br />Porte is shown on the attached map, and described in the permit application form. The 8" <br />and 6" pipeline will be installed in an existing pipeline corridor or parallel existing <br />pipelines the entire route. Plan and profile are attached showing the city streets in the City <br />of La Porte that will be crossed. <br /> <br />8" crossing Underwood Road <br />Drawing CA-2867-012, Cad file 2867112_-1 <br />6" crossing Old La Porte Road <br />Drawing CA-2867-018, Cad file 2867118_-1 <br /> <br />The 8" pipeline will be 8.625" outside diameter with a 0.250" wall thickness, and will be <br />API 5L X 52 ERW pipe with 15-22 mils thick fusion bond epoxy coating and 25-30 mils <br />aro coating. The 8" pipeline will operate at a maximum operating pressure of 1480 PSI, <br />will be tested to a minimum 2220 PSI, and have a minimum yield strength of 52,000 PSI. <br />