PIPELINE DESIGN DATA

1.1 GENERAL INFORMATION

1.2 APPLICANT/OWNER: SEADRIFT PIPELINE CORPORATIONC/O THE DOW CHEMICAL COMPANY1254 ENCLAVE PARKWAYHOUSTON. TX. 77077ATTENTION: MR. JERE DIAL (281) 966-4068

1.3 PIPELINE NAME: 6’ UCAR PIPELINE

1.4 PRODUCT: Ethylene

2.1 PIPELINE DESIGN DATA

2.2 DESIGN CODES: CODE OF FEDERAL REGULATIONSTITLE 49, PART 192MINIUM FEDERAL STANDARDS FOR THETRANSPORTATION OF HAZARDOUS GAS BY PIPELINETHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSASME B31.4. PIPELINE TRANSPORTATION FOR LIQUIDSASME B31.8 GAS TRANSMISSION AND DISTRIBUTION

2.3 DESIGN PRESSURE: 1585 PSIG (MAXIMUM ALLOWABLE OPERATING PRESSURE)

2.4 TEST PRESSURE: 3020 PSIG (MINIMUM TEST PRESSURE) X 24 HRS

3.1 CARRIER LINE PIPE AND CROSSING PIPE DATAITEM LINE PIPE

3.2 OUTSIDE DIAMETER: 6.625”3.3 WALL THICKNESS: 0.312” AT CLASS 1 LOCATIONS

0.432” AT CLASS 3 LOCATIONS AND HDDS

3.3 SPECIFICATION: API 5L 2M or N X423.4 SPECIFIED TENSILE: 42,000 PSI (MIN) YIELD PROPERTIES3.5 MATERIAL: CARBON STEEL3.6 PROCESS OF MFG: ELECTRIC RESISTENCE WELDED (ERW)3.7 EXTERIOR COATING: FUSION BONDED EPOXY

4.0 CATHODIC PROTECTION RECTIFIER IMPRESSED CURRENT

5.1 CONSTRUCTION METHODS

5.2 0.312 wt PIPELINE INSTALLED BY OPEN CUT WITH MINIMUM COVER OF 39”

SEADRIFT PIPELINE CORPORATION6” UCAR PIPELINE Sheell

DRAWN BY CHECKED BY APPROVED BY REVISION DATE:11-14-17 DRAWING NUMBER —

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PIPELINE DESIGN DATA

1.1 GENERAL INFORMATION

1.2 APPLICANT/OWNER: SEADRIFT PIPELINE CORPORATIONC/O THE DOW CHEMICAL COMPANY1254 ENCLAVE PARKWAYHOUSTON. TX. 77077ATTENTION: MR. JERE DIAL (281) 966-4068

1.3 PIPELINE NAME: 10” MB PIPELINE

1.4 PRODUCT: Propane

2.1 PIPELINE DESIGN DATA

2.2 DESIGN CODES: CODE OF FEDERAL REGULATIONSTITLE 49, PART 192MINIUM FEDERAL STANDARDS FOR THETRANSPORTATION OF HAZARDOUS GAS BY PIPELINETITLE 49, PART 195MINIUM FEDERAL STANDARDS FOR THETRANSPORTATION OF HAZARDOUS LIQUID BY PIPELINETHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSASME B31.4. PIPELINE TRANSPORTATION FOR LIQUIDSASME B31.8 GAS TRANSMISSION AND DISTRIBUTION

2.3 DESIGN PRESSURE: 2116 PSIG (MAXIMUM ALLOWABLE OPERATING PRESSURE)

2.4 TEST PRESSURE: 3174 PSIG (MINIMUM TEST PRESSURE) X 24 HRS

3.1 CARRIER LINE PIPE AND CROSSING PIPE DATAITEM LINE PIPE

3.2 OUTSIDE DIAMETER: 10.750”3.3 WALL THICKNESS: 0.438” AT CLASS 1 LOCATIONS

3.3 SPECIFICATION: API 5L 2M or N X523.4 SPECIFIED TENSILE: 52,000 PSI (MIN) YIELD PROPERTIES3.5 MATERIAL: CARBON STEEL3.6 PROCESS OF MEG: ELECTRIC RESISTENCE WELDED (ERW)3.7 EXTERIOR COATING: FUSION BONDED EPOXY

4.0 CATHODIC PROTECTION RECTIFIER IMPRESSED CURRENT

5.1 CONSTRUCTION METHODS

5.2 0.438 wt PIPELINE INSTALLED BY OPEN CUT WITH MINIMUM COVER OF 39”

SEADRIFT PIPELINE CORPORATION10” MB PIPELINE Sheet I

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