San Diego Natural Gas Pipeline (Line 3602) Project: Home

 

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San Diego Gas & Electric Company and Southern California Gas Company

Pipeline Safety and Reliability Project – New Natural Gas Line 3602
and De-rating Line 1600 (PSRP)

(Application No. A.15-09-013)

Last Update: June 27, 2018

On June 21, 2018, the California Public Utilities Commission (CPUC or Commission) acted to deny the application by SDG&E and SoCalGas for a Certificate of Public Convenience and Necessity to construct the proposed Pipeline Safety and Reliability Project – New Natural Gas Line 3602 and De-Rating Line 1600 (proposed project) (Decision D.18-06-028). The Formal Proceeding for Application A.15-09-013 was closed, and a California Environmental Quality Act (CEQA) Draft Environmental Impact Report (EIR) will not be published. As required by the Decision, the Commission’s Energy Division will prepare Master Environmental Assessment (MEA) documentation that will be made public on this website once complete (CEQA Guidelines Section 15169). The documentation will be available for reference by future environmental documents prepared by this Commission or other agencies. The intent is to provide a public basis for future environmental reviews requiring study of the baseline environment in the proposed project area. Geospatial data will also be provided.

For further information about the Formal Proceeding for Application A.15-09-013 and associated documentation, click here.

Project Overview

San Diego Gas & Electric Company and Southern California Gas Company (the applicants or proponents) propose the Pipeline Safety and Reliability Project to include the construction, operation, and maintenance of the:
  • New San Diego Natural Gas Pipeline (Line 3602; approximately 47 miles in length) and supporting facilities; and,
  • De-rating, or lowering the pressure of, existing Line 1600 and modifications required to convert existing Line 1600 from a transmission pipeline to a distribution pipeline.
  • The proposed project extends through the cities of Escondido, San Diego, Poway and unincorporated communities of San Diego County, and terminates on federal land within Marine Corps Air Station Miramar. Review pursuant to the National Environmental Policy Act may also be required.

Environmental Review Process Graphic

Review Process

Project History

On September 30, 2015, the applicants requested a Certificate of Public Convenience and Necessity (Application No. A.15-09-013) from the CPUC to construct, operate, and maintain the proposed project. The CPUC regulates investor-owned public utilities in California and therefore is the agency responsible for reviewing the applicants’ Certificate of Public Convenience and Necessity application.

The Certificate of Public Convenience and Necessity application included the Proponent’s Environmental Assessment which described the proposed project’s environmental impacts along with applicant proposed mitigation measures and alternatives to the proposed project. As part of the CPUC’s consideration of the Certificate of Public Convenience and Necessity application for the proposed project, the CPUC is conducting a review process that consists of (1) an environmental review under CEQA and (2) a project need and cost review proceeding.

The applicants propose to construct a new 36-inch natural gas pipeline (Line 3602) that would carry natural gas from the applicant’s existing Rainbow Metering Station in Rainbow, California, to land within Marine Corps Air Station Miramar. The proposed project also includes de-rating, or lowering the pressure of, the applicant's existing Line 1600 to convert its function from transmission to distribution.

The applicants’ primary purpose for the proposed project is to construct a new natural gas transmission pipeline and associated facilities that will advance three fundamental objectives for the applicants natural gas transmission system in San Diego County:
  1. Implement the pipeline safety requirements for the existing Line 1600 and modernize the system with state-of-the-art materials;
  2. Improve system reliability and resiliency by minimizing dependence on a single pipeline; and,
  3. Enhance operational flexibility to manage stress conditions by increasing system capacity.
The proposed project would address these objectives by replacing the transmission capacity of the existing Line 1600 with a new 36-inch-diameter gas transmission pipeline, Line 3602.

The applicant’s existing gas transmission system map, including the proposed project, are shown below in Figure 3-2.

San Diego Natural Gas Pipeline Project Photo - SDG&E Gas Transmission System Map (click to view larger)

As the agency with jurisdiction over approval of the Certificate of Public Convenience and Necessity application, the CPUC is the “Lead Agency” for purposes of CEQA. The CPUC will prepare a Draft and Final Environmental Impact Report to evaluate the proposed project’s potential impacts on the environment. Other regulatory agencies will work to support the CPUC Energy Division in the environmental review of the proposed project. The California Department of Fish and Wildlife is participating as a CEQA “Responsible Agency.” The California Department of Transportation also may participate as a CEQA “Responsible Agency.” Responsible agencies are state agencies, other than the CEQA Lead Agency (i.e., the CPUC), that are responsible for carrying out or approving the proposed project. The California Department of Fish and Wildlife is also a CEQA “Trustee Agency” for the proposed project. CEQA “Trustee Agencies” are state agencies that have jurisdiction over resources that are held in trust for the people of the State of California and that would potentially be affected by the proposed project.

The CPUC reviewed the Certificate of Public Convenience and Necessity application and Proponent’s Environmental Assessment for completeness. The CPUC deemed the Proponent’s Environmental Assessment complete on August 23, 2016. Details pertaining to the status of and CPUC’s environmental review process can be found below in the Environmental Review Process section.

This site provides access to public documents and information relevant to the CEQA environmental review process. Additional project documentation will be posted as it becomes available.

Project Location

The proposed project is located in San Diego County, California, and crosses the cities of Escondido, San Diego, and Poway; unincorporated communities in San Diego County; and terminates on federal land within Marine Corps Air Station Miramar (see Figure 1, Project Overview below). About 3.5 miles of pipeline would be located within Marine Corps Air Station Miramar. To view a more detailed map series of the proposed project in relation to highways and roads, please click here. To view a more detailed map series of the route alternatives the CPUC anticipates evaluating in the EIR in relation to highways and roads, please click here.


PSRP Project Photo - Project Overview Map (click to view larger)      San Diego Natural Gas Pipeline Project Photo - Scoping Alternatives Map (click to view larger)

Project Description

The proposed project includes the following components:
  • San Diego Natural Gas Pipeline (Line 3602): The approximately 47-mile proposed route extends south from the proposed Rainbow Pressure-Limiting Station, which is located approximately 50 feet south of the applicant’s existing Rainbow Metering Station, through the cities of Escondido, San Diego, and Poway, and unincorporated communities of San Diego County, and terminates on federal land within Marine Corps Air Station Miramar. Approximately 87% (approximately 41 miles of the proposed pipeline) would be installed in urban areas within existing roadways and road shoulders; the majority of the new pipeline would generally follow the alignments of U.S. Route 395, Interstate 15, and Pomerado Road. The remaining 6 miles would be installed cross-country on federal and privately owned land. The pipeline would be installed 42-inches below ground surface using conventional trenching methods in urban and cross-county areas. The pipeline would cross several major roadways, including Interstate-15, and water features, including the San Luis Rey River, Lake Hodges, Reidy Canyon Creek, and Escondido Creek. At these crossings, horizontal directional drilling and horizontal boring methods are proposed to reduce impacts on roadways and water features. The following aboveground facilities would also be constructed in association with proposed Line 3602:
    • Mainline Valves: Ten new mainline valves are proposed approximately every five miles to stop the flow of gas during operation and maintenance, and emergency situations. Each valve would be located within the pipeline permanent easement and have a footprint of approximately 50 feet by 75 feet.
    • Rainbow Pressure-Limiting Station: The proposed Rainbow Pressure-Limiting Station would be located approximately 50 feet south of the existing Rainbow Metering Station on applicant-owned land.
    • Cross-Tie Facilities:
      • Line 1601: The existing 16-inch diameter pipeline (Line 1601) cross-tie would be near milepost 23 and SR-78 in the City of Escondido. The footprint is estimated to be 0.2 acres and would be enclosed by six- to eight- foot high concrete block walls.
      • Line 1600: The existing 16-inch diameter pipeline (Line 1600) cross-tie would be near milepost 29, Bear Valley Parkway, and Mule Hill Trail (unpaved road). The footprint is estimated to be 0.1 acres and would be enclosed by six- to eight- foot high concrete block walls.
      • Line 2010: The existing 20-inch diameter pipeline (Line 2010) cross-tie would be located at the proposed project terminus on Marine Corps Air Station Miramar. This cross-tie would also include a pig receiver, valve control equipment, communication equipment, and a solar panel for power. The footprint is estimated to be 0.3 acres and would be enclosed by six- to eight- foot high concrete block walls.
  • De-rating Line 1600:The applicant’s Line 1600 is an existing 50-mile-long natural gas pipeline constructed in 1949 that begins at the existing Rainbow Metering Station and terminates in Mission Valley, San Diego. The applicants propose to lower the pressure of approximately 45 miles of the existing Line 1600 for use as a distribution line, once the new pipeline is constructed. Further engineering and design details regarding the distribution system modifications required to lower the operating pressure of Line 1600 and connect the proposed project with a pre-lay pipeline segment located within Pomerado Road were submitted by the applicants to the CPUC in an Amended Application and Proponent’s Environmental Assessment Supplement dated March 21, 2016. The applicants propose to:
    • Remove eight existing regulator stations that will not be replaced with other facilities;
    • Remove two regulator stations that will be replaced with check valves;
    • Replace one existing regulator station with a new regulator station;
    • Construct three new regulator stations and connection pipelines;
    • Construct an approximately 0.88-mile long, 8-inch-diameter pipeline extension (Mira Mesa Extension);
    • Replace an approximately 0.70-mile-long segment of Line 49-31B with 6-inch-diameter pipe; and
    • Install approximately 1.08 miles of 8-inch-diameter distribution pipeline along the pre-lay segment of pipeline within Pomerado Road.
Construction of the proposed project would begin in the third quarter of 2019 and would take approximately 15 to 21 months to complete.

The EIR will evaluate a reasonable range of alternatives to the proposed project that could achieve all or most of the objectives of the proposed project, while avoiding or reducing one or more of its significant environmental impacts. Alternatives will include a “no project” alternative. In addition to the applicants’ proposed route for Line 3602, the CPUC anticipates evaluating the route alternatives shown on the figure below in the EIR. The CPUC may develop additional alternatives for consideration and analysis based on input received during the scoping period (see Notice of Preparation and Scoping section below) or in response to potentially significant environmental impacts identified during development of the EIR.

PSRP Project Photo - Project Overview Map (click to view larger)


Existing Line 1600   Existing Line 1600

Environmental Review Process

Proponent’s Environmental Assessment

The applicants submitted their Certificate of Public Convenience and Necessity application and Proponent’s Environmental Assessment to CPUC on September 30, 2015. The Proponent’s Environmental Assessment includes a discussion of the proposed project’s environmental impacts, proposed mitigation measures, and alternatives to the project. Additionally, per the Administrative Law Judge ruling dated January 22, 2016, an Amended Application (including a Proponent’s Environmental Assessment Supplement and Cost Effectiveness Analysis) was requested and submitted by the applicants on March 21, 2016. A link to the application, Proponent’s Environmental Assessment, and the Amended Application can be found in Table 1 below.

Deficiencies, Data Requests, Responses, and Ongoing Environmental Review

The CPUC reviewed the Certificate of Public Convenience and Necessity application and Proponent’s Environmental Assessment for completeness. Within 30 days of the submittal of the application, the CPUC must deem the application complete, or notify the applicant of deficiencies. The CPUC issued letters of deficiency (4) requesting additional information from the applicants.

The CPUC deemed the Proponent’s Environmental Assessment complete on August 23, 2016.

On March 17, 2017, Marine Corps Air Station Miramar provided a letter to the CPUC and the applicants summarizing their role in supporting the CPUC’s environmental review process for the project. On March 20, 2017, Marine Corps Air Station Miramar provided comments to the applicants on alternative route alignments across federal land.

To date, the CPUC has issued seven data requests asking for additional information from the applicants.

The CPUC continues to review the project and will request additional data and information, as necessary, to review and analyze the environmental impacts of the proposed project and alternatives carried forward for detailed analysis in accordance with CEQA requirements. As the applicant’s responses to outstanding or new information gaps are provided to the CPUC, they will be added to Table 1.

Links to the CPUC's four deficiency requests and the applicant's responses; the CPUC's completeness letter for the Proponent's Environmental Assessment; the Marine Corps Air Station Miramar letters; and the CPUC's seven data requests and the applicant's responses are included in Table 1 below.

Notice of Preparation and Scoping

On May 9, 2017, the CPUC distributed a Notice of Preparation to potential responsible and trustee agencies under CEQA, interested parties, and members of the public. The purpose of the Notice of Preparation was to inform recipients that the CPUC began preparation of an EIR for the proposed project and to solicit information and guidance on the scope and content of the environmental information to be included in the EIR and identify potential alternatives. The Notice of Preparation included a description of the project that the applicants propose to construct, information regarding project location, a summary of potential project-related impacts, the times and locations of public scoping meetings, and information on how to provide comments. The Notice of Preparation was circulated for a public review and comment period that began on May 9, 2017, and ended on June 12, 2017. Links to the CPUC’s Notice of Preparation and related documents are provided in Table 1 below.

Scoping is the process used to gather comments and input from all potential responsible and trustee agencies, all other public agencies with jurisdiction by law over the proposed project, and members of the public early in the CPUC’s environmental review process. The comments and other information provided during the scoping process are helping the CPUC determine the scope, focus, and content of the EIR and identify the range of alternatives, environmental effects, and mitigation measures to analyze in the EIR.

The CPUC conducted six public scoping meetings on three dates during the EIR scoping period (see Table below). All interested parties, including the public, responsible agencies, and trustee agencies, were invited to attend the public scoping meetings to learn more about the proposed project, ask questions, and provide comments in person about the proposed project and the scope and content of the EIR. The CPUC also provided information about the proposed project and its decision-making process at each meeting in a variety of ways including a presentation and a series of fact sheets. Links to the fact sheets that were provided to stakeholders who attended the public scoping meetings and the presentation that was given by the CPUC during the scoping meetings are provided in Table 1. The scoping period began on May 9, 2017 and ended on June 12, 2017. All public scoping comments must have been received, or postmarked if hardcopy, by June 12, 2017. All comments received during scoping, including the names and addresses of those who comment, will be made part of the public record for the proposed project and may be made publicly available.

The scoping period ended on June 12, 2017.

CPUC Public Scoping Meetings for the Proposed Project
Tuesday, May 23, 2017*

2 PM – 4 PM
6 PM – 8 PM

Pala Mesa Resort, Ballroom

2001 Old Highway 395
Fallbrook, CA 92028
Wednesday, May 24, 2017*

2 PM – 4 PM
6 PM – 8 PM

Park Avenue Community Center, Auditorium

210 E. Park Avenue
Escondido, CA 92025
Thursday, May 25, 2017*

2 PM – 4 PM
6 PM – 8 PM

Alliant International University – San Diego Campus, Green Hall

10455 Pomerado Road
San Diego, CA 92131
*Presentations were held each day at 2:30 PM and 6:30 PM.

Draft EIR, Public Meetings on the Draft EIR, and Final EIR

On June 21, 2018, the Commission acted to dismiss without prejudice SDG&E and SoCalGas’s application for a Certificate of Public Convenience and Necessity to construct the Pipeline Safety and Reliability Project. Pursuant to Decision 18-06-028 a Draft and Final EIR will not be completed and public meetings will not be held.

Master Environmental Assessment

Once compiled, MEA documentation will be available here. Please check this website for updates.

Mission Trails Regional Park   Proposed Line 3602 along I-15
Propose Line 3602 on MCAS Miramar

Project Need and Cost Review Proceeding (A.15-09-013) Overview

Administrative Law Judge’s Proceeding

In addition to the CPUC’s environmental review, the CPUC also appoints an Administrative Law Judge to review the Certificate of Public Convenience and Necessity application with a focus on the need for and cost of the proposed project. This analysis aids the Commission in reaching a decision on the Certificate of Public Convenience and Necessity application. The CPUC’s proceedings website provides each of the CPUC ruling and decision documents associated with the proposed project. The CPUC proceedings for this project (Proceeding Number A1509013) is available by clicking here. Application A.15-09-013 was denied on June 21, 2018 by Decision D18-06-028.

Contact Us

To request additional information, please contact the CPUC’s CEQA Project Manager.

Robert Peterson
California Public Utilities Commission
300 Capitol Mall
Sacramento, CA 95814
rp3@cpuc.ca.gov

For all media inquiries, contact:

Terrie Prosper
Director, News and Public Information Office
California Public Utilities Commission
505 Van Ness Avenue
San Francisco, CA 94102
Main Office Line: (415) 703-1366
Main Office Email: news@cpuc.ca.gov

Complete List of Environmental Documentation

Table 1
CPUC Report/Request SDG&E/SoCalGas Response Exhibits
The applicants filed a Certificate of Public Convenience and Necessity (Application No. A.15-09-013) for the San Diego Natural Gas Pipeline (Line 3602) Project

Application, Volume I of II and Appendices A through I
Application, Volume II of II (PEA)
(Submitted September 30, 2015)

Deficiency Letter No. 1

Deficiency Letter No. 1 Matrix

(Submitted 10/30/2015)

Deficiency Response No. 1

Attachment 1 – CPUC Application Completeness Response

Attachment 2 - PEA Corrections

(Received 11/30/2015 and 12/21/2015)

Exhibit A – Tier 1 Receipt

Exhibit B – Caltrans Sign in Sheet

Exhibit C – Caltrans Encroachment

Exhibit D – USFWS Correspondence

Exhibit E – Hydrology Tables

Exhibit F – Open House Summary

Exhibit I – Truck Trips

Exhibit J – Updated Table 3-1

Exhibit K – Aesthetic Resources Map

Exhibit L – Required Restoration

Exhibit M – Updated Air Quality Standards

Exhibit N – Fugitive Dust

Exhibit O – CalEEMod Mitigation

Exhibit P – Fugitive Dust

Exhibit S – Updated Geology Table

Exhibit T – Greenhouse Gas Methods and Tables

Exhibit U – Greenhouse Gas Reports

Exhibit V – Noise

Exhibit W – Trip Assumptions

Exhibit BB – Hydrotest Failure Plan

Exhibit DD – Route Segment Matrix

Exhibit EE – Route Segment Map

Exhibit FF – Significant Environmental Changes

Visual Simulations and Character Photographs

KOP Photo Locations

Deficiency Letter No. 2

Deficiency Letter No. 2 Matrix

(Submitted 12/30/2015)

Deficiency Response No. 2

Attachment 1 – Second Application Completeness Response Table

Attachment 2 - Items to be Addressed by the Amended Application

(Received 1/11/2016, 02/12/2016, and 02/16/2016)

Exhibit GG – Sign In Sheet

Exhibit JJ-A – Aesthetics Map

Exhibit JJ-B – Recreation Table

Exhibit JJ-C – Scenic Highways

Exhibit KK – Rule 1501

Exhibit MM – Updated Exhibit T

Exhibit NN – Hazmat Quantities

Exhibit OO – LOS Analysis

Exhibit PP – Route Segment Matrix

Exhibit PP – Route Segment Attachment A

Exhibit QQ – Line 1600 Screening Table

Exhibit RR – LNG Alternative

Preliminary Blasting Plan

Per Administrative Law Judge (“ALJ”) ruling dated 1/22/2016, an Amended Application was requested.

Volume 1 – Amendment to Application

Volume 2 – PEA Supplement

Volume 3 – Cost Effectiveness Analysis

(Submitted 03/21/2016)

Corrected Cost Effectiveness Analysis

(Submitted 02/21/2017)

Deficiency Letter No. 3

Deficiency Letter No. 3 Matrix

(Submitted 04/29/2016)

Deficiency Response No. 3

Attachment 1 – Third Application Completeness Response Table

(Submitted 05/26/2016 and 8/11/2016)

Exhibit VV – Greenhouse Gas Methods

Exhibit XX – Otay Mesa

Exhibit AAA – Alternatives Screening Method

Exhibit CCC-A – Typical Cross Country Construction 1

Exhibit CCC-B – Typical Cross Country Construction 2

Exhibit CCC-C – Typical Cross Country Construction 3

Exhibit CCC-D – Typical Urban Construction

Exhibit DDD – Visual Simulations

Deficiency Letter No. 4 (Minor Clarifications Email to Applicants about PEA Deficiencies)

(Submitted 06/22/2016)

Deficiency Response No. 4

(Submitted 07/22/2016)

N/A

PEA Completeness Letter

(Submitted 8/23/2016)

(Submitted 10/7/2016, 10/14/2016)

Exhibit EEE-B – California Natural Diversity Database (CNDDB) Plants Map

Exhibit EEE-C – CNDDB Animals Map

Riparian Bird Survey Report Addendum

Arroyo Toad Protocol Survey Report Addendum

U.S Fish and Wildlife Service Protocol Presence/Absence 2016 Survey Report for the Quino Checkerspot Butterfly

Post Proponent’s Environmental Assessment Filings
  As engineering and design of the project continues, the applicants have submitted additional information to the CPUC to be considered during their environmental review under the CEQA.

Attachment A: Minor Design Refinements
(Submitted 1/31/2017)

Attachment C: Biological Resources Technical Report Addendum
(Submitted 1/31/2017)

Wetland Delineation Report-February 2017 (Submitted 2/10/2017)

Data Requests
Data Request No. 1
(Submitted 4/6/2017)
Data Response No. 1
(Submitted 4/21/2017)
Exhibit B – Typical Urban ROW Cross-Section
Exhibit C – Drainage and Wetland Crossings
Exhibit E – Relinquishment of Highway ROW
Exhibit F – Relinquishment and ROW Maps
Exhibit G – Kearny Villa Alternative Layout
Exhibit H – Spring Canyon Fuel Break Vegetation Map
Exhibit J – Revised Geology Tables
Exhibit K – Revised Hazards Tables
Exhibit L – Revised Table C-1
Data Request No. 2
(Submitted 6/8/2017)
Data Response No. 2
(Submitted 6/23/2017)
Exhibit O – Cielo B Mitigation Map
Exhibit P – Riparian Vegetation and Waters Map
Exhibit Q – Stephen’s Kangaroo Rat Occurrences Map
Data Request No. 3
(Submitted 8/8/2017)
Data Response No. 3
(Submitted 8/22/2017)
Exhibit U – Daily Flow Data for Line 1600
Exhibit Y – Geology and Areas Surveyed Map
Figure Z - Revised Figure 1
Data Request No. 4
(Submitted 8/29/2017)
Data Response No. 4
(Submitted 9/12/2017, 9/22/2017, and 9/29/2017)
4.3-2 2019 Reclaimed Water Reports
4.3-2 2019 Reports

4.3-2 2020 Reclaimed Water Reports
4.3-2 2020 Reports

4.3-2 Updated AQ and GHG Results
4.4-7 Special Status Plant Species Addendum
4.4-8 BRTR Addendum
4.4-8 Wetlands and Waters Assessment
4.11-1 Noise Monitoring Results
PSRP Revised Visual Simulation
Data Request No. 5
(Submitted 10/17/2017)
Data Response No. 5
(Submitted 10/31/2017)
Exhibit EE – Avenue of Nations Route Alternatives Map
Exhibit HH – Results of the 2017 QCB Surveys
Data Request No. 6
(Submitted 11/21/2017)
Data Response No. 6
(Submitted 12/7/2017)
Data Response No. 6
(Submitted 12/13/2017)
Data Response No. 6 (Submitted 12/18/2017)
Exhibit MM – Conceptual Line 2010 Loop Resources Map
Data Request No. 7
(Submitted 2/20/2018)
Data Response No. 7
(Submitted 3/6/2018)
Exhibit RR - Historic Resources
Exhibit TT - DOT Classes
Marine Corps Air Station Miramar Letters
March 17, 2017 MCAS Miramar letter summarizing their role in supporting the CPUC’s environmental review process for the project. Rainbow to Santee Non-Miramar Alternative Map
March 20, 2017 MCAS Miramar letter providing comments on alternative route alignments across federal land Figure 5-2 Proposed Project Route Segment Alternatives, Inset Map 3 of 3
Notice of Preparation
CPUC’s Notice of Preparation of an Environmental Impact Report for the Pipeline Safety and Reliability Project – New Natural Gas Line 3602 and De-rating Line 1600
(May 9, 2017)
  Figure 1: Project Overview
Figure 2: Typical Urban ROW Cross-Section
Figure 3: Typical Cross-Country ROW Cross-Section
Figure 4: Typical Horizontal Directional Drill
Figure 5-1: Alternatives Map
Figure 5-2: Proposed Project Route Segment Alternatives
Attachment 1, CEQA Appendix G, Environmental Checklist Form
Public Scoping Meeting Materials
The CPUC conducted six public scoping meetings on May 23, 24, and 25, 2017. Three fact sheets were provided to stakeholders who attended the meeting. Additionally, the CPUC gave a presentation to meeting attendees during the scoping meetings

Fact Sheet No. 1 of 3: Project Overview and Proposed Project Alternatives (May 2017)
Fact Sheet No. 2 of 3: CPUC Application Review Process (May 2017)
Fact Sheet No. 3 of 3: Public Scoping and Public Involvement (May 2017)
Public Scoping Meeting Presentation (given by the CPUC during the public scoping meetings May 2017)