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ENGINEERING TASK FORCE
Shell Wood River
Refinery - Wood River, IL
Emerson Process
Management's Refining & Chemical Industry Center provided an engineering task force for a large
petroleum refinery. This 10-15 person group, executed a number of projects over
a 4-5 year period. Services provide included electrical, mechanical, instrument
and control system engineering and construction and project management. Specific
projects and tasks completed are outlined below.
Conceptual
Design - Held P&ID review meetings with the client's
engineering and operations personnel in order to scope Distributed Control System
(DCS).
- Held shutdown system logic review meetings with the client's engineering
and operations personnel in order to scope Safety Instrumented Systems (SIS).
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Developed a project instrument database and reports summarizing disposition of
all instrumentation (approx. 1000 hard-wired I/O).
Detailed
Design - Assembled DCS scope and obtained pricing from
client's preferred vendor. Included remote instrument enclosure for DCS and peripheral
systems.
- Assembled SIS scope and obtained bids from two vendors (client
did not have a standard SIS). Worked with client engineering personnel to evaluate
and select the vendor.
- Worked with client's mechanical equipment support
personnel to specify a machinery vibration monitoring system (3 blowers).
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Worked with client's electrical support personnel to specify uninterruptible power
system and power distribution panels.
- Implemented new client standards
for open tray wiring to field devices, mostly in Class I Division 2 areas.
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Client requested minimal drawings, including loop drawings only for unusual loops,
so Emerson designers developed new drawing templates and standards.
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Lead role for configuring DCS points. Worked with client control systems engineering
personnel on graphical interface, alarm historization, and complex loop configuration.
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Ordered DCS, RIE, SIS, field instrumentation, and services through the client's
on-line purchasing system (systems changed after the refinery was sold).
SCOT
Unit Cutover - Worked with Black & Veatch Pritchard
personnel on partial process revamp.
- Supported construction and loop
checks by client's construction contractor.
- Supported cold startup of
unit on new DCS in old control room, including loop tuning.
Sulfur
Trains Cutovers - Worked with client operations personnel
to develop loop hot cutover sequence and detailed cutover instructions.
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Supported construction and loop checks by client's construction contractor.
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Most loops were cutover to DCS and SIS in old control room while process was in
operation.
New Control Building
- Worked with client's architect on design of new control building and control
room.
- Building not completed until loop cutovers had already been completed.
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Lead role managing relocation of DCS console from old control room to new one,
with all loops and SIS in operation during the relocation.
As-Built
Documentation - Updated P&IDs, logic drawings, and
wiring drawings.
- Supported client personnel with transfer of project
instrument database to refinery on-line maintenance system.
- Developed
"complex loop" documentation.
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