Executive Summary - Class I Impacts

Class I Impacts: Significant, Cannot Be Mitigated To A Level That Is Not Significant

Issue Area/Project or Alternative/Impact Description	Phase	Mitigation Measure
AIR QUALITY
PROPOSED PROJECT AND ALTERNATIVES
Construction activities result in exceedance of significance thresholds for NOx	C	A-10 Use low-emission on-site mobile construction equipment, where feasible. A-11 Construction equipment shall be maintained in tune, per manufacturing specifications. A-12 SFPP/contractor shall use catalytic converters on all gasoline equipment. A-13 Retard diesel engine injection timing by two degrees before top center on all construction equipment that was manufactured before 1996, and which does not have an existing 1C engine warranty with the manufacturer. A-14 SFPP shall submit an analysis showing available electric equipment and demonstrate their feasibility for this project. A-15 Cease construction during periods of high ambient pollutant concentrations (i.e., Stage 2 smog alerts) near the construction area. A-16 Use high pressure injectors on all diesel engines to reduce the NO_X emissions by 40%. A-17 Schedule all material deliveries (e.g., pipe) outside peak traffic hours, and minimize other truck trips during peak traffic hours. A-18 Use only solar powered traffic signs (no gasoline-powered generators shall be used). A-19 Configure construction parking to minimize traffic interference. A-20 Prohibit all vehicles from idling in excess of two minutes.
Oil Spill causes release of hydrocarbons, which could result in exceeding the CAAQS or NAAQS for ozone.	A	None Available
Ignition of a spill could result in a short term violation of the 24-hour particulate CAAQS.	A	None Available
Cumulative project could further exacerbate the potential short-term Class I NO_X and PM₁₀ impacts estimated for the proposed pipeline construction.	A	None Available
BIOLOGICAL RESOURCES
PROPOSED PROJECT AND ALONDRA ALTERNATIVE
A pipeline spill could impact sensitive species at the river mouths or in the harbor.	A	B-7 SFPP’s Spill Response Plan shall be expanded or modified to include a list of sensitive biological habitats at the Los Angeles and San Gabriel River mouths.
A major earthquake resulting in multiple pipeline ruptures, could cause significant impacts to occur to downstream species and habitats.	A	None Available
NO PROJECT ALTERNATIVE
Increased throughput has the potential for increasing the size and frequency of pipeline spills	A	None Available
Truck accidents have the potential for contamination of surface waters	A	None Available
CULTURAL RESOURCES
None
ENVIRONMENTAL CONTAMINATION
None
GEOLOGY AND SOILS
PROPOSED PROJECT AND SANTA FE ALTERNATIVE
Potential rupture of the pipeline in the Newport-Inglewood fault zone.	O	G-1 SFPP shall prepare a fault investigation to define the location, orientation and direction of anticipated offset for the Newport-Inglewood fault and develop site-specific mitigation for the fault crossing.
HYDROLOGY
PROPOSED PROJECT AND ALTERNATIVES
Contamination of groundwater resulting from pipeline leak or rupture; potential contamination of water wells.	A	H-2 SFPP shall ensure that the pipeline is located at least 200 feet from any existing water well and/or a greater separation or special pipeline design features (e.g., concrete coating to further protect against third-party damage) may be required.
Contamination of Los Angeles and San Gabriel Rivers and Compton Creek, and downstream areas and harbors with petroleum products, would result from a pipeline rupture in or above the waterway (spilling either directly into the waterway or via storm drains).	A	See Mitigation Measure B-1
NO ACTION ALTERNATIVE
Increased pipeline throughput has the potential for increasing the size and frequency of pipeline spills; increased trucking leads to greater accidents with potential to contaminate waterways.	A	None Available
LAND USE AND PUBLIC RECREATION
PROPOSED PROJECT AND ALTERNATIVES
Pipeline accidents (spills, leaks, fire, explosion) could contaminate land/water or cause injuries/death	A	L-6 Include specific spill/fire emergency response procedures for sensitive land uses in Oil Spill Contingency Plan (OSCP) to further reduce potential land use impacts.
NO PROJECT ALTERNATIVE
Increased demand would result in more truck trips. Spills from truck accidents would have the potential to cause significant unavoidable impacts on adjacent land uses.	A	None Available
NOISE
None
SOCIOECONOMICS, PUBLIC SERVICES, AND UTILITIES
PROPOSED PROJECT AND ALTERNATIVES
Cumulative socioeconomic impacts of a spill from petroleum products transport (via pipeline or trucks) in the study area, and the potential for co-located ruptures of other oil, gas, chemical, and/or product pipelines would be significant.	A	None Available
Potential consequences of a co-location accident that disrupts utility services.	A	S-4 SFPP shall set priorities for disaster repair efforts on utility lines and transportation networks, subject to approval by the affected Offices of Emergency Services.
SYSTEM SAFETY AND RISK OF UPSET
PROPOSED PROJECT AND ALTERNATIVES
Oil spill could cause environmental damage or injury	A	SS-6 SFPP shall develop and implement a program for routine inspection of mainline valves every six months. The valves shall be checked for mechanical integrity. Remotely activated block valves shall be checked to ensure they function automatically and properly within 60 seconds. SS-7 SFPP shall enhance the existing safety and monitoring systems at all affected pump stations (Watson, Norwalk, City of Industry and Colton) to ensure safety of operations SS-8 SFPP shall install flammable/combustible hydrocarbon detectors at each valve box location. SS-9 SFPP shall install at least two flammable/combustible hydrocarbon detectors at each remotely operated pump, with a voting system. If two detectors alarm at the same time, the pump shutdown shall occur. SS-10 SFPP shall install state of-the-art SCADA system SS-16 The Applicant shall develop and maintain an up-to-date OSCP in compliance with 49 CFR 195.402; see text for full details on requirements to protect sensitive resources and to upgrade emergency response capabilities. SS-17 Copies of the approved OSCP must be distributed to all fire departments whose jurisdictions are crossed by the pipeline route and local fire departments who may be called on for emergency response. Copies of all updates must also be provided. SS-18 Oil spill containment and response equipment shall be supplied and maintained by the Applicant at locations accessible to first response personnel along the route to facilitate rapid response to an oil spill. SS-19 A public education program shall be conducted consistent with 49 CFR 195.440, under the supervision of the California State Fire Marshal, to help the public and agencies understand pipeline safety hazards. A Web Site shall be established. SS-20 Conduct comprehensive safety and reliability analysis of the SCADA system and pipeline control room, utilizing guidelines developed by the Institute of Electronic and Electrical Engineers.
Pipeline corrosion could cause pipeline leaking or rupture and result in oil spill	A	SS-11 Implement internal corrosion techniques in accordance with the requirements of the California State Fire Marshal (49CFR195.418), including a continuous corrosion inhibitor program. SS-12 Coat the pipeline to reduce the potential for external corrosion. The performance of the proposed coating (Pritec or Synergy brand Polyethylene type) must be documented (to the satisfaction of the California State Fire Marshal).
Aging pipeline is more likely to rupture and cause oil spill	A	SS-13 After every 20 years of operation, the Applicant should conduct a full analysis of the pipeline components for safety and reliability purposes.
Ground acceleration resulting from earthquakes could interfere with effective communication	A	SS-15 Install even speed and vibration sensors at all pump stations to shut down the pipeline automatically in the event that threshold acceleration is exceeded.
Fire could damage pump stations	A	SS-21 Aqueous film-forming fire fighting equipment shall be maintained at each of the pipeline pump stations (excluding the originating and receiving stations) SS-22 Prepare a Fire Protection Plan for the operational phase of the Proposed Project. The Plan shall include details of fire protection and loss prevention measures that will be implemented during the operation of the pipeline. The Plan shall be approved by the local fire jurisdiction.
TRANSPORTATION AND TRAFFIC
None
VISUAL RESOURCES
None