Pipeline maps related documents

  • 4bbca46f0e129a3c

    Application for pipeline certificate of Gas Transmission Northwest LLC in CP12-494.

    2012:07:31

    CARTY LATERAL PROJECT RESOURCE REPORT 1 PF11-5-000 GENERAL PROJECT DESCRIPTIONTable of ContentsSection Page1.0 GENERAL PROJECT DESCRIPTION ............. 1-1 1.1 Project Description............................................................................. 1-1 1.2 Purpose and Need ............................................................................. 1-3 1.3 Location and Description of Facilities ................................................. 1-3 1.3.1 Pipeline Facilities ................................................................... 1-4 1.3.2 Aboveground Facilities ........................................................... 1-5 1.3.3 Related Non-Jurisdictional Facilities ....................................... 1-6 1.4 Land Requirements ........................................................................... 1-7 1.4.1 Pipeline and Aboveground Facilities....................................... 1-8 1.4.2 Access Roads ...................................................................... 1-11 1.4.3 Pipe Yards and Contractor Yards ......................................... 1-12 1.4.3.1 Permanent Operational Right-of-way...................... 1-12 1.5 Construction Procedures ................................................................. 1-12 1.5.1 General Pipeline Construction Techniques........................... 1-13 1.5.1.1 Preconstruction Survey and Staking ....................... 1-14 1.5.1.2 Clearing and Grading ............................................. 1-15 1.5.1.3 Trenching ............................................................... 1-18 1.5.1.4 Stringing, Bending, Welding, Inspection ................. 1-18 1.5.1.5 Pipe Lowering-In .................................................... 1-19 1.5.1.6 Padding and Backfilling .......................................... 1-20 1.5.1.7 Trench Compaction Techniques ............................. 1-20 1.5.1.8 Clean-up and Restoration....................................... 1-20 1.5.1.9 Hydrostatic Testing................................................. 1-21 1.5.2 Specialized Pipeline Construction Procedures ..................... 1-22 1.5.2.1 Agricultural Lands................................................... 1-22 1.5.2.2 Road and Railroad Crossings ................................. 1-23 1.5.2.3 Wetland Crossings ................................................. 1-24 1.5.2.4 Waterbody Crossings ............................................. 1-26 1.5.2.5 Sensitive Wildlife Habitat ........................................ 1-29 1.5.2.6 Residential Areas ................................................... 1-29 1.5.2.7 Commercial/Industrial Areas .................................. 1-29 1.5.2.8 Foreign Pipeline Crossings..................................... 1-30 1.5.2.9 Rugged Terrain ...................................................... 1-30 1.5.2.10 Blasting .................................................................. 1-30GAS TRANSMISSION NORTHWEST LLC ii JULY 2012