GEN 253 DEP 31.38.01.11-GEN., SECTION 3.5

ABB Lummus Global B.V. GENERAL ENGINEERING NOTE PROJ. NO.: 04217 DEPT. DATE OF DISCUSSION PARTICIPANTS

:

Shell ECC Project Singapore G.E.N. NO.: 253 120.431 DISTRIBUTION:

PARTICIPANTS+

:

2007-01-18

LGN:

: Doug Shine Hans Stegeman Theo Tan Arie de Bruijn Toon Kuys Norbert Kouwenhoven

SHELL: Mike Lureman Doug Shine Hans Stegeman Theo Tan

Wim Mulder Maarten Noordzij Arie de Bruijn Toon Kuys Norbert Kouwenhoven

THE FOLLOWING WAS DISCUSSED: DEP 31.38.01.11-Gen., section 3.5, Sentence: Formal computer flexibility analysis shall be made of all critical systems, which include the following;

LGN SFOR 10-1900-04.500 (2003-01-31)

E-00000-TN-3323-0235 Rev.0.00

Page 1 of 4

ABB Lummus Global B.V. GENERAL ENGINEERING NOTE AGREED/PROPOSED: Paragraph shall be changed to read: Formal flexibility analysis shall be made of all critical systems, which includes the following: All piping layouts shall be checked for load effects, flexibility and stress as laid down in ASME B31.3 or B31.1. The criticality for review is rated by H (high), M (medium) and L (low). Formal flexibility analysis may be performed by means of visual inspection, graphs, tables, simplified calculations or CAESAR II computer analysis. All piping with criteria H generally will require a formal computer CAESAR analysis, based on the layout review and judgment of the Lead Stress Engineer. Additionally, piping within criteria M and L may also need formal computer analysis as a result of layout review and Stress Engineers judgment. Records of all analysis shall be made available. Criteria for H : Pipes subject to authority approval E9000 category HP (Systems require reports for Authority Review) Pipes DN500 and larger with temp. > 120°C Pipes DN750 and larger with temp. > 65°C Process pipes DN 80 and larger if connected to rotating equipment with -45°C > temp. > 100°C Pipes DN80 and larger connected to air-cooled heat exchangers with -45°C > temp. > 100°C Pipes DN80 and larger connected to pulsating equipment Pipes to and from boilers and heaters with temperature ranges below. In cases where differential settlement of equipment and/or supports is expected with absolute differential settlement > 5mm and pipe size > DN300 Pipes subject to slug flow: Lines DN150 through DN300 : Vslug > 10 m/s Lines >= DN350 : Vslug > 8 m/s Water hammer: pipe with length larger than 500 m is evaluated by process for potential surge (water hammer) by a full surge analysis and transient analysis. Surge forces exceeding 25 x pipesize(DN) [N] shall be included in static and quasi-static or dynamic stress analysis Pipes for two-phase flow only where slug sensitive with restrictions as above. Flare pipes DN100 and larger with temperature ranges below. Pipes subjected to relief loads, where inlet pressure > 3.5barg or where relief valve outlet piping is not fixed/axially. Process regeneration pipes with larger than 7000 cycles / lifetime Pipes DN200 and larger connected to large diameter storage tanks. Pipes DN80 and larger with pressure class 1500lbs and higher Pipes DN50 and larger with pressure class 2500lbs and higher A principle check on vents and drains for classes 600lbs and above Temperature ranges: Stainless Steel pipes DN150 and smaller with temp. 350°C Carbon Steel / Low Chrome pipes DN200 and larger with temp. >260°C Carbon Steel / Low Chrome pipes DN400 and larger with temp. >180°C Stainless Steel pipes DN80 and larger with temp. >260°C Stainless Steel pipes DN200 and larger with temp. >180°C Stainless Steel pipes DN400 and larger with temp. >120°C

Criteria for M (where not covered by Criteria H) : pipes DN 500 and larger ; process pipes DN 80 and larger if connected to rotating equipment; pipes connected to air-cooled heat exchangers ; pipes connected to pulsating equipment;; LGN SFOR 10-1900-04.500 (2003-01-31)

E-00000-TN-3323-0235 Rev.0.00

Page 2 of 4

ABB Lummus Global B.V. GENERAL ENGINEERING NOTE pipes to and from boilers and heaters ; in cases where differential settlement of equipment and/or supports is expected; process regeneration pipes; pipes where engineered items are required like spring supports, expansion joints, snubbers etc.; pipes subject to slug flow or water hammer; if required by local regulations; pipes for two-phase flow; flare pipes DN 100 and larger; pipes subjected to relief loads; pipes DN 80 and larger in very toxic service operating at temperatures above 200 ºC;

Criteria for L: All remaining. Recording methods The Criterion Category for al pipe line numbers shall be recorded in (a copy of) the Line Designation Sheets by separate column referring H, M or L The method of review shall be marked on each individual work hard copy of the Pipe Stress and Support Isometric. Alternatively PIAS or other lists may be used for recording. Quality records must be auditable, methods and computer printouts available. BACKGROUND/JUSTIFICATION: Achieving method to have quality records for Stress review on complete piping design. All based on conference meeting and e-mail exchange between : Doug Shine, Theo Tan, Norbert Kouwenhoven and Toon Kuys

IMPACT ON COST AND SCHEDULE BDEP Phase (N)

EPCm Phase

Impact on cost

(N)

(N)

Engineering hours

(N)

(N)

Process hours

(N)

(N)

Impact on schedule

ORIGINATOR: DATE: LGN SFOR 10-1900-04.500 (2003-01-31)

(N)

Indicate impact as follows: Positive (Pos): For schedule, cost or man-hour reductions Negative (Neg): For schedule, cost or man-hour increase. None (N): No impact Do not leave empty boxes

APPROVED BY: Michel Bochardt DATE: E-00000-TN-3323-0235 Rev.0.00

Page 3 of 4

ABB Lummus Global B.V. GENERAL ENGINEERING NOTE SHELL COMMENT:

Attachments:

LGN SFOR 10-1900-04.500 (2003-01-31)

E-00000-TN-3323-0235 Rev.0.00

Page 4 of 4

ABB Lummus Global B.V. GENERAL ENGINEERING NOTE PROJ. NO.: 04217

Shell ECC Project Singapore G.E.N. NO.: 253

AGREEMENT ROUTING SLIP JV AGREEMENT Function

Name

Process Manager

Gerard Scheers

HSE Engineer

Guido van der Lans

Metallurgist

Maarten Langbroek

Engineering Manager

Wim Mulder Hilbrand Gringhuis Gijs Houwaart Piet Overbeek Arie de Bruin Cees van der Ende

Mechanical Instrumentation Electrical Piping CSA

PRINCIPALS AGREEMENT Agreed Y/N

Y

Y

Signature (1)

Function

Name

□ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □

Lead Process Eng

Martin Vrolijk

Engineering Manager

Alec Miljkovic Hans Stegeman Peter Beerepoot Jan Beertsen Doug Shine Mike Castel

Mechanical Instrumentation Electrical Piping CSA

Agreed Y/N

Y Y

Y

Signature (1)

□ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □

(1) In case of approval by e-mail, give date of e-mail.

LGN SFOR 10-1900-04.500 (2003-01-31)

E-00000-TN-3323-0235 Rev.0.00

Page 5 of 4