REQ.NO. (7) : 01-06-2937 CARBON STEEL OIL PIPE LINEPIPE LINE CARBON STEEL API SPEC. 5L PSL2 E, LONGITUDINALLY SUBMRGED ARC WELDING (LSAW ) PIPE BEVELED ENDS ACCORDING TO API STANDARD LATEST EDITION (30 DEGREE (+5 DEGREE , -0 DEGREE)) .THE PIPE SHALL BE EXTERNALLY COATED WITH (3)MM (AS A MINIMUM) EXTRUDED POLYETHYLENE AND SHOULD BE FROM (S) TYPE MEDIUM DENSITY ACCORDING TO DIN STANDARD 30670 .THE LENGTH OF PIPE SHALL BE LIMITED RANGE LENGTH (11 - 12 ) M WITH PROTECTIVE END RINGS AND MARKING ACCORDING TO API STANDARD . UNIT QNT.1. API SPEC. 5L 28 X 0.438 X60 PSL2 E KM 1002. HEAT SHRINKABLE SLEEVE JOINTS FOR COATING NOS 9100 OF GIRTH WELDS , WITH SPECIFICATIONS IDENTICAL AS A MINIMUM TO THOSE OF PIPE COATING OF OPEN TYPE AND CAPABLE TO STORED AT (0-60)C . H.S.S. SHOULD BE SUPPLIED WITH ALL ACCESSORIES AND REQUIREMENTS.3. REPAIR KIT OF COATING WITH FILER MATERIAL M2 1500 SUITABLE FOR ITEM 1.