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THE QUALITY INSPECTOR NEWSLETTER
Copyright © 2008 American Inspection Society, Inc. All Rights Reserved.
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Volume 26
Issue 5
January 2010
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TABLE OF CONTENTS
* Issue on Quality Control -
* Phrased Array Testing Completion By SGS / Nigeria
* Steel Bar Joists Construction Inspection
* Coiled Tubing Inspection and PSL Levels
* NDT Sharpen Up O< Practice Quizzes..
http://www.ndt.net/wshop/quiz/qz_lst.htm
* EMPLOYMENT - See Our Research Center II AIS JOBS BOARD Link
* Humor-Inspectors Funny Bone- Comprehending Engineers
* Heads up - Turnaround Inspectors Safety Tips
* National Safety Council's Weekly Safety Tip
* RPI Stamp~Application~www.webspawner.com/users/rpistamp/index.html
<<<<<<<<<<<<<<<<< UPCOMING CONFERENCES:>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
2010 Alliance Expo Wichita Fall, TX www.texas alliance.org
Call Donna Brown or Jo Baker for more information 1-800-299-2998
2010 OFFSHORE TECHNOLOGY CONFERENCE May 3-6, Reliant Park,Houston, TX www.otcnet.org/2010 Register Now
2010 Global Petroleum Show June 8-10 2010 Calgary, Alberta, Canada, Stampede Park www.globalpetroluemshow.com
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* The Basics----> Humor. Comics.. http://news.yahoo.com/comics
* Facebook Link if you are into the keep in touch with family option- http://www.facebook.com/index.php
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SGS Carries Out First Phased Array Inspection in Nigeria
SGS SA
Monday, January 25, 2010
SGS Carries Out First Phased Array Inspection in Nigeria
SGS SA
Monday, January 25, 2010
SGS has carried out Phased Array Inspection in Nigeria for Daewoo E & C Co Ltd at the Gbaran Ubie Integrated Oil & Gas Project. Phased Array Ultrasonic Inspection is one of the latest weld inspection methods and offers significant technical advantages for weld testing.
Phased Array is an advanced Non-Destructive Testing Method, which reveals defects hidden inside a structure or weld by testing the structural integrity. This new Ultrasonic Testing technique is based on generating and receiving ultrasounds. Instead of a single transducer and beam, phased arrays use multiple ultrasonic elements and electronic time delays to create beams by constructive and destructive interference.
In early 2008, Daewoo E & C Co Ltd was awarded the contract to construct a gas plant for the Gbaran Ubie Integrated Oil & Gas Project in Nigeria. In order to ensure high quality construction work, Daewoo asked for the support of SGS Industrial Services, the only company in Nigeria offering Phased Array Inspection Services.
Daewoo E & C Co Ltd chose to conduct Phased Array as it offers significant technical advantages for weld testing over conventional Ultrasonic Testing methods. Phased Array generates multiple ultrasonic signals within nanoseconds which produce controllable angles, focus depths and/or wide coverage of an inspection point. Further advantages include excellent repeatability, increased inspection speeds, more accurate results and the ability to inspect complex geometries. Furthermore, Phased Array inspections are much safer to operate within a working environment, compared with Non-Destructive Testing methods that use x-rays and gamma-rays for detecting imperfections.
On May 9, 2008, SGS Industrial Services provided a team of five experts to carry out Phased Array Testing on the Gbaran Ubie Integrated Oil & Gas Project in Nigeria, scheduled to take 15 man days. The project comprised two phases. The first phase involved the Phased Array inspection of 155 joints of heavy wall line pipes and the second phase included the follow-up inspection of 300 joints that were recently welded. The priority objective of SGS' Phased Array testing was to inspect the welds for defects and to provide a reliability report.
The successful completion of SGS' work resulted in the contract with SGS Industrial Services being extended until the Gbaran Ubie Integrated Oil & Gas Project in Nigeria is completed.
To successfully perform Phased Array in Nigeria for the first time was a notable event for SGS, as a major provider of advanced technologies to the Oil and Gas sector, whose objective is to introduce cutting-edge technology into the country.
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Steel Bar Joists Construction Inspection
by Floyd Atkinson
The construction of roof supporting steel bar joists is essential as a supporting roof deck support.
I remember many years ago, during a Christmas Holidays week. I performed a welded bar joists visual analysis at a collapsed warehouse roof in southwest Houston. I will give an over view of the findings in this case and how the inspection was performed. We utilized portable scaffolding with wheels to get to the immediate roof support bar joists areas. The visual inspection was performed on adjacent bar joist areas to where the bars joist had fallen due to heavy loads caused by extensive rains. The roof section had collapsed and the bar joists were physically removed and sent to the manufacturer for replacement. It was my job to visually record any deficiencies, which we observed; the sample was random and adjacent to the existing areas, which had the failed roof bar joists. The inspection team used a standardized form for recoding our visual review results. The welds were reviewed and we recorded the size, length and locations, which had defective welds. The locations of the bar joist were mapped according to the buildings roof bar joist roof mapping blueprint. Column lines and grids were recorded. Cracked welds and excessive under cut in welds were yellow flagged. Photos were taken in the cases, which were of the poorest of welds locations. The Steel Bar Joist Institute has standards for welds quality. This was utilized along with AWS D1.1 Structural Welding Code for welds profiles grading. Final results by engineers were determined. The joist camber was reversed in error at manufacturing. The top and bottom chords were reversed in error. See the Website of publications about flat roof ponding and recommended remedies.
More information on bar joists grading may be obtained at: http://www.steeljoist.org/publications/
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Coiled Tubing Inspection and PSL Levels
The Eight Edition of API Specification became effective January 1, 2006. The document covers the inspection of new casing and tubing. Product Specification Level (PSL) requirements are included for the first time. Ultrasonic wall inspection via the pulse echo technique is available in digital and analog formats for wall mapping on both ferrous and nonferrous 2” to 14” diameter X .100” to > 2.5” wall thickness tubes. Spec.5CT states the, “wall shall be measured with a mechanical caliper, a go /no go gauge or a properly calibrated NDE device to appropriate accuracy.” The ultrasonic wall thickness gauge is utilized to achieve these test results. The technique is in a helical or longitudinal path over the full length of the pipe, or coupling stock, excluding the end areas not covered by the automated systems. The threaded ends of the tubing, which are to cover by full-length inspection, require a wet magnetic particle method inspection. Pipe thread go no/go gages are used to verify that the threads are within the required standards. Reference more information about API 5CT specification requirements applications at: http://www.newtechsystems.com/welltechct.html
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EMPLOYMENT: INSPECTORS Wanted: (CLICK IT AND GET IT)
PROFESSIONAL NDT TECHS, Dims, & other. Local Or Travel.
http://www.inspectionjobs.com/ http://ndtcontacts.tripod.com/id7.html
Inspection Links Page http://cribbswh.users2.50megs.com/insp/1.htm
See Our Research Center II AIS JOBS BOARD-
http://www.webspawner.com/users/researchlinksii/index.html
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* Interactive Exams and Quizzes to sharpen your inspection skills
http://www.ndt.net/wshop/quiz/qz_lst.htm
* Welding Related Exam -
http://www.weldinginspectionsvcs.com/QuizRev1.htm
* NDT Applications Outlook (Special Video Presentation)
http://www.ndt-ed.org/EducationResources/NDTvideo/movie56.htm
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* Changed your email address lately? Give us your current email
address. Get your copy of this newsletter to your desk.
Contact the editor at the "CONTACT" link email listed with the
request to receive your copy of the newsletter. If you are not a
current AIS member we invite you to join. See the "APPLICATION"
link and requirements. Click on the Website link "The American
Inspection Society" to learn more.
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Inspectors Funny Bone
>>>>>>>Comprehending Engineers - Making the mark
There was an engineer who had an exceptional gift for fixing all things mechanical. After serving his company loyally for over 30 years, he happily retired.
Several years later the company contacted him regarding a seemingly impossible problem they were having with one of their multimillion-dollar machines. They had tried everything and everyone else to get the machine to work but to no avail. In desperation, they called on the retired engineer who had solved so many of their problems in the past. The engineer reluctantly took the challenge.
He spent a day studying the huge machine. At the end of the day, he marked a small "x" in chalk on a particular component of the machine and stated, "This is where your problem is." The part was replaced and the machine worked perfectly again.
The company received a bill for $50,000 from the engineer for his service. They demanded an itemized accounting of his charges. The engineer responded briefly: One chalk mark $1 Knowing where to put it $49,999 It was paid in full and the engineer retired again in peace.
O<>O<>O<><><><><><><><><><><><><><><><><><><><><><><><><><><><><>O<>O
The Haircut - A Learning Short Course
A young boy had just gotten his driving permit. He asked his father, who was a minister, if they could discuss the use of the car. His father took him to his study and said to him, "I'll make a deal with you. You bring your grades up, study your Bible a little and get your hair cut and we'll talk about it." After about a month the boy came back and again asked his father if they could discuss use of the car. They again went to the father's study where his father said, "Son, I've been real proud of you. You have brought your grades up, you've studied your Bible diligently, but you didn't get your hair cut!"
The young man waited a moment and replied, "You know Dad, I've been thinking about that. Samson had long hair, Moses had long hair, Noah had long hair, and even Jesus had long hair...." To which his father replied, " Yes, and they walked everywhere they went!"
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Heads Up
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Turn Around Personnel Safety TIPS
Ignorance is no excuse. Get certified as a safety monitor for Manhole watch at your local Area Safety Council Training Classes. Know how to react in saving a life saving practices. Could you recognition heat exhaustion? Does a fugitive emission hazard exist? Do you have a back up communication plan? Rescue plan?
Read for your own safety sake and make your inspection team a safe one.
Take care of yourself - Take care of each other.
Remember; No job is so important that you can’t take time to do it safely - the first time.
The contractor employee should address all inquiries about potential chemical exposures to the petrochemical plant control coordinator or the area Owning supervisor. All contract persons should be able to recognize fugitive emissions and how to react in an emergency evacuation plan. THINK!!! What is the wind direction? Where is crosswind? Where is away from danger? Don't become disoriented. Don't run. Walk at a fast pace less you could trip and waste time.
Safe Work Access (excerpts from the Hoechst Celanese Safety Handbook, as reminders)
It is the contractor’s responsibility to provide safe work access to all work permit authorized locations.
A Contractors Reference Manual may be found at: http://www.osha.gov/Publications/Const_Res_Man/
Scaffolding, refer to OSHA Standard 1926.451, http://www.osha.gov/SLTC/constructionscaffolding/recognition.html
Ladders, refer to OSHA Standard 1926.450, http://www.osha.gov/Publications/Const_Res_Man/
Fall protection equipment; OSHA1926.104, http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=10667 ,
Confined spaces (excavation), refer to OSHA Standards 1926.650; http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=10775 ; 651, http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=10774 ; 1910.146
Work Permit Requirement, http://www.osha.gov/pls/oshaweb/owasrch.search_form?p_doc_type=STANDARDS&p_toc_level=0 ;
Personnel baskets OSHA Standards 1910 Sub. Part E Elevators, refer to OSHA Standard 1916.552; http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=9725
Safe Guarding Work Area
Requirements;
Each contractor should safeguard its work area to prevent exposure of personnel to any unsafe condition or hazards. Barricades, signs, warning tape, flashing lights or physical barriers must be used to identify and isolate work areas from individuals who may wander into such areas.
Examples:
1) All excavations must be protected by barricades or barricade tape - with flashing lights used at night.
2) All work areas where there is overhead exposure must be roped off.
3) All warning devices shall be removed when work is finished and the hazard no longer exists.
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It has been reported that a subcontractor in a local west Harris County refinery does not use area SAFETY COUNCIL TRAINING for their employees. These contractors are using non-classroom trained manhole watch monitors. They should have the knowledge to be able to save the inspectors life.
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Copyright © 2010 American Inspection Society, Inc.. All Rights Reserved.