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<br />.. , ,._.4," <br /> <br />e <br /> <br />e <br /> <br />e <br /> <br />.. <br /> <br />5.0 <br /> <br />. <br /> <br />-)- <br /> <br />. <br /> <br />Carrier Pipe Coating: <br /> <br />5.1 Line Pipe: NAPCA Specification Delisnation 12-78 Fu.ion bond or <br />approved equal. <br /> <br />5.2 Field Jointl: Polyken Pri~r ~o. 927 and polyethylene tape no. <br />930 by Kendall Co. or equal. <br /> <br />5.3 Line Pipe Bay' Bayou: Concrete over dielectric coated pipe for <br />negltive buoyancy and ~chlnicll .trengtp. <br /> <br />6.0 Clsing Pipe Specifications: <br /> <br />20" O.D. x .344 wall for R.I. and highway, carbon .teel pipe, specified <br />minimum yield .trength · 35,000 psi. <br /> <br />7.0 Fitting .nd Flange Specification: <br />7.1 Pittings: <br /> <br />8.0 <br /> <br />16" O.D. standard wall (.375), conforming to HSS Standard Practice <br />SP-75, with physical properties to satch pipe having 60,000 psi SHYS, <br />c.rbor. .teel. <br /> <br />7.2 FlaDRes <br /> <br />ANSI - 300 lb., carbon steel, ASTH A-181, Gr. 1. <br /> <br />Depth of Line: <br /> <br />8.1 In specifying depth of line, the recommendations of ARIA and <br />A~SI B31.8 have been carefully considered along with reasonable <br />.afety and installation practices. <br /> <br />8.2 The mir.imu~ depth of cover for the carrier pipe without benefit <br />of casing where highway loading is required will be 4'-0". <br /> <br />8.3 Cased railroad track crossing will have. 'Ulinimum of 5'-6" cover. <br /> <br />8.4 CIsed rOld crossings shall bave I minimum of 4'-0" cover. <br /> <br />8.5 M.inimum depth of cover for water crossing will be 5'0". <br /> <br />9.0 Con.truction Methods: <br /> <br />9.1 <br />- <br /> <br />Pipeline .hall be welded construction per API 1104 with 100% <br />z-r.y of all butt welded joints. <br /> <br />~ C'linas .hall be instilled under III rlilroad tricks Ind aajor <br />road crossings where uDcased pipe is not permitted. Casings <br />.hall be installed by boriaa or jacking. It is the owner's <br />de. ire to ainimite cI.ings Ind therefore heavy wall pipe will be <br />u.ed in lieu of cIsiaa when permitted. In cases where open <br />cutting i. performed, traffic will be saintained on the roadway. <br />