HomeMy WebLinkAboutMINUTES - 08011995 - C47 Y7
TO: BOARD OF SUPERVISORS Contra
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FROM: HARVEY E. BRAGDON Costa
DIRECTOR OF COMMUNITY DEVELOPMENT ,cSl -'�� County
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DATE: August 1, 1995
SUBJECT: Ratification of the Zoning Administrator's Decision Regarding Shell Oil
Company's Compliance with Conditions of Approval (LUP 2009-92)
SPECIFIC REQUEST (S) OR RECOMMENDATIONS) & BACKGROUND AND JUSTIFICATION
RECOMMENDATIONS
Ratify the Zoning Administrator' s decision that Shell Oil Company
has complied with Condition of Approval #22 for the Cracked
Gasoline Depentanizer,
FISCAL IMPACT
None.
BACKGROUND/REASONS FOR RECOMMENDATIONS
When the Board of Supervisors approved the Land Use Permit for
Shell Oil Company' s Clean Fuels Project (County LUP #2009-92) , the
Board specified that the Zoning Administrator' s decision regarding
several conditions of approval be placed on the Board' s consent
calendar for ratification. As directed by the Board at the October
4, 1994 meeting, the County Zoning Administrator' s decision
discussed herein has been placed on the Zoning Administrator' s
agenda for July 31, 1995. Any comments received at e meeting
will be forwarded to the Board.
CONTINUED ON ATTACHMENT: XX YES SIGNAT
RECOMMENDATION OF COUNTY ADMINISTRATOR RECOM46DJT ON O BOARD COMMITTEE
APPROVE OTHER J
SIGNATURE (S) :
ACTION OF BOARD ONp>>g�,Wit- 1 ' 1 9 9 5 APPROVED AS RECOMMENDED x OTHER
VOTE OF SUPERVISORS
I HEREBY CERTIFY THAT THIS IS A
x UNANIMOUS (ABSENT TRUE AND CORRECT COPY OF AN
AYES: NOES: ACTION TAKEN AND ENTERED ON THE
ABSENT: ABSTAIN: MINUTES OF THE BOARD OF
SUPERVISORS ON THE DATE SHOWN.
Contact: Catherine Kutsuris (510/646-2036) ATTESTED August 1 , 1995
cc: Community. Development Department (CDD) PHIL BATCHELOR, CLERK OF
Health Services Department : RMPP THE BOARD OF SUPERVISORS
Shell Oil .(via CDD) AND COUNTY ADMINISTRATOR
BY LDEPUTY
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Ratification of decision on Shell Oil Company
August 1, 1995
Page Two
Condition of Approval #22 : Hazard and Operability Study
This condition requires Shell Oil to prepare a Hazard and
Operability Study and accident consequence analysis for all
elements of the Clean Fuels Project with the exception of the
office building, the control rooms and the maintenance/warehouse
buildings .
Shell Oil Company completed the required study for the Cracked
Depentanizer Unit . This information was evaluated by the Risk
Management and Prevention Program Team of the Health Services
Department. Their review included a detailed examination of the
hazard analyses and off-site consequences as well as scrutiny of
all the programs or aspects of the Company (e.g. , operating
procedures, preventive maintenance programs and operator training)
which are designed to prevent or mitigate accidents or process
.anomalies . The review included document assessments, management
and operations personnel interviews and inspection of the unit to
verify that it conforms to the design developed.
The Health Services Department made recommendations to reduce the
probability or severity of accidents (refer to the attached HSD
memorandum) . These recommendations were accepted by the Zoning
Administrator and will be required of Shell Oil . The Health
Services Department will conduct follow-up field inspections to
ensure that all recommendations identified have been followed.
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7/18/95
Contra Costa County f, � }
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Health Services Department ~j
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ENVIRONMENTAL HEALTH DIVISION JV
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HAZARDOUS MATERIALS/OCCUPATIONAL HEALTI
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DATE: July 12, 1995
TO: Catherine Kutsuris o�my Zonin Administrator, Community Development Department
FROM: Lewis G. Pascal i,
Deputy Director
Health Services Departm azardous Materials Division
SUBJ.:CONSENT ITEM FOR SHELL REFINERY CLEAN FUELS PROJECT
CONDITION#22, FOR THE CRACKED GASOLINE DEPENTANIZER
(PREVIOUSLY NAMED THE LIGHT GASOLINE TREATER(LGTR))
Executive Summary:
The Contra Costa County Health Services Department (CCCHSD) Hazardous Materials Risk Management
and Prevention Program team has completed the Clean Fuels Project reviews for the Shell Refinery Cracked
Gasoline Depentanizer (CGDP). Shell plans to start up the CGDP on August 28, 1995. Shell submitted a
summary of the CGDP Hazard and Operability Study(HAZOP)to you and CCCHSD on May 10, 1995.
Process Description:
The Cracked Gasoline Depentanizer (CGDP) will split Catalytic Cracking Unit (CCU) Pentanes (top
Product) from CCU Gasoline Column feed (bottom product). The Pentanes are routed to storage (Pentane
Spheres) for subsequent blending to finished gasoline or sales via rail cars. The bottoms product is routed
back to the CCU Gasoline Column for further fractionation and treating.
Additionally, the Cracked Gasoline Depentanizer reduces sulfur and other chemical compounds in the
Pentane stream. This process is accomplished with the placement of catalyst inside the top-most part of the
column and the introduction of hydrogen into the column.
CCCHSD Findings:
My staff has performed a detailed line-by-line review of the CGDP HAZOP Study which included our
reviewing the design of safety systems and operational and maintenance issues. Additionally, my staff has
inspected the unit to verify that it conforms to the design developed.
4333 Pacheco Boulevard • Martinez, California.94553 0 (510) 646-2286
i
We find the Shell HAZOP adequately identifies process hazards and mitigations, and that additional
equipment is not needed. Prior to startup Shell has agreed to provide us the following material so we can
ensure Shell has evaluated two equipment changes and has certain procedures in place:
• Management of Change documentation for the catalyst sampling system at the CGDP, and the CGDP
Feed Pumps at the existing Catalytic Cracking Unit.
• Step by step testing procedures for Class III Protective Instrumentation
• Startup procedure that includes testing of Class IV Protective Instrumentation , process control valves,
and two shutdown systems, i.e., Reflux Pump low Accumulator level shutdown and Compressor low
lube oil pressure shutdown.
My staff will perform a follow up review, consistent with Condition#23 of the Land Use Permit, to ensure
that all mitigations identified by Shell and the pre-startup reviews listed above are complete. We will submit a
report of the follow-up review to the Zoning Administrator before startup.
Conclusion
We recommend approval of the HAZOP study for the Cracked Gasoline Depentanizer.
Attachment