Download - GAS FREE INSPECTION AND CERTIFICATION 3.4
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GAS FREE INSPECTION GAS FREE INSPECTION AND CERTIFICATIONAND CERTIFICATION
3.43.4
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IntroductionIntroduction
As Gas Free Engineering Personnel you will be required to know the requirements for certifying a space gas free and placing the information obtained on a Navy Gas Free Certificate.
Lesson Topic 3.4, Gas Free Inspection and Certification
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Enabling ObjectivesEnabling Objectives
Describe procedures and safety precautions for gas free inspection, gas free testing, and post gas free inspection in accordance with NSTM Chapter 074 Vol. 3, Gas Free Engineering and OPNAVINST 5100.19, series.
Determine test readings and describe the common characteristics of the Four Gas Analyzer in accordance with NSTM Chapter 074 Vol. 3, Gas Free Engineering and the Biosystems Phd Ultra Four Gas Analyzer Technical Manual.
Lesson Topic 3.4, Gas Free Inspection and Certification
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Enabling ObjectivesEnabling Objectives
Determine test readings and describe the common characteristic of the Toxic Gas Detectors, Draeger Model 31 and accuro in accordance with NSTM Chapter 074 Vol. 3, Gas Free Engineering and the Model 31 and Accuro Manufactures technical Manuals.
Use Gas Free Test Equipment in accordance with NSTM Chapter 074 Vol. 3, Gas Free Engineering and applicable Manufactures Technical Manual.
Lesson Topic 3.4, Gas Free Inspection and Certification
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Enabling ObjectivesEnabling Objectives
Perform procedures using respiratory equipment during simulated gas free operations using safety precautions and procedures to include; Inspect, Don, Operate and Stow equipment in accordance with NSTM Chapter 074 Vol. 3, Gas Free Engineering and the SAR/SCBA technical manual, NAVSEA 0910-LP-708-0000.
Lesson Topic 3.4, Gas Free Inspection and Certification
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Enabling ObjectivesEnabling Objectives
Write a Gas Free Certificate using the information obtained during a Gas Free Inspection in accordance with NSTM 074 Vol 3.
Lesson Topic 3.4, Gas Free Inspection and Certification
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PRE-INSPECTION PROCEDURESPRE-INSPECTION PROCEDURES
Determine Authorization to Certify
Is This a Liability Issue?
Notification Requirements
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CERTIFICATION & LIABILITYCERTIFICATION & LIABILITYThe Shipboard GFE Can
Certify a Space for any Crewmember
•CO’s Authorization is Required for IDLH Spaces
– O2<19.5% or > 22%– Explosivity > 10% of LEL– Toxics above PEL– Sewage, Fuel, or Oil Tanks
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Use as a guide so you don’t forget anything!
Pre-Inspection Procedures
Closed Compartment Opening & Testing Procedures
Post-Inspection Procedures
Page C-26 NSTM 074 VOL 3Page C-26 NSTM 074 VOL 3 ““SAMPLE GAS FREE ENGINEERING SAMPLE GAS FREE ENGINEERING
PROCEDURAL WORKING GUIDEPROCEDURAL WORKING GUIDE””
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CLOSEDCLOSED COMPARTMENT COMPARTMENT OPENING REQUEST FORMOPENING REQUEST FORM
Helps You Organize Your Time Prioritize Your Workload Provides Planning For:
– Safety Observers– Equipment Movement– Space & Equipment Tag Outs
TALK TO THESE PEOPLE NSTM 074V3 Appeddix C 13, 29
Closed Compartment
Opening Request Form
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Review Records for Possible Hazards
Gas Free LogMSDS
DC Book/PlatesCompartment Sounding
LogsPersonnel Responsible for
the Space
PRE-INSPECTION PROCEDURESPRE-INSPECTION PROCEDURES
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Assign personnel– Compartment
Testing– Fire Watches– Attendants
Determine Ventilation Requirements
PRE-INSPECTION PROCEDURESPRE-INSPECTION PROCEDURES
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Tag Out Space Safety Equipment
a) Respiratory Equipment
b) Lifelinesc) Harnessd) Communicationse) Protective Clothing
Rescue Control Point Designated Inspection Equipment Ventilation
PRE-ENTRY PROCEDURESPRE-ENTRY PROCEDURES
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PRE-ENTRY PROCEDURESPRE-ENTRY PROCEDURES Personnel Needed for Test
a) Two Test Personnelb) Safety Observer / Supply Air Operatorc) Rescue Control Point Personnel
Secure Surrounding Area SMOKING LAMP OUT!!
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CLOSED COMPARTMENT OPENING CLOSED COMPARTMENT OPENING AND TEST PROCEDURESAND TEST PROCEDURES
SMOKING LAMP OUT!! Secure hot work in vicinity of space
Perform required pre-operational checks of test equipment
Muster personnel and don PPE & equipment
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CLOSED COMPARTMENT OPENING CLOSED COMPARTMENT OPENING AND TEST PROCEDURESAND TEST PROCEDURES
Inspect for hazards Drop Test
– IDLH Space? If so, do NOT enter.
– Re-ventilate two complete air changes
Ventilation– Where to place duct?– How long to ventilate?
Don required respiratory protection equipment
Remove access cover or break piping system flange
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ENTRY PROCEDURES
1. Drop Test -- Is It IDLH ?2. Ventilation
a) Where to Place Duct?b) How Long to Ventilate?
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Enter Space Visual Inspection 10 Point Test Record Results
TESTING PROCEDURESTESTING PROCEDURES
1
2
4
3 9
10
5
6
7
8
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Hazards Produced by Work?Testing Frequency
a) Periodicb) Continuous
Updating if < 8 hours Retesting/Recertification
a) GFE/GFEAb) GFEPO
WORK REQUIREMENTSWORK REQUIREMENTS
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Gas Free Certificate
Gas Free CertificateGas Free Certificate
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06-00051
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06-00051
USS NEVERSAIL
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06-00051
USS NEVERSAIL5-51-0-E
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06-00051
USS NEVERSAIL5-51-0-E
Cleaning
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06-00051
USS NEVERSAIL5-51-0-E
Cleaning0800 30 May 991200 30 May 99
This time MUST NOT exceed 8 hours.
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06-00051
USS NEVERSAIL5-51-0-E
Cleaning0800 30 May 991200 30 May 99
(2) Ram fans, exhausting from 5-51-0-E to weather deck(1) Ram fan, supplying air from weather deck to 5-51-0-E.
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06-00051
USS NEVERSAIL5-51-0-E
Cleaning0800 30 May 991200 30 May 99
(2) Ram fans, exhausting from 5-51-0-E to weather deck(1) Ram fan, supplying air from weather deck to 5-51-0-E.
Gas name (Dry Nitrogen) or N/A (as applicable)
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06-00051
USS NEVERSAIL5-51-0-E
Cleaning0800 30 May 991200 30 May 99
(2) Ram fans, exhausting from 5-51-0-E to weather deck(1) Ram fan, supplying air from weather deck to 5-51-0-E.
N/A
Water or N/A (as applicable)
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06-00051
USS NEVERSAIL5-51-0-E
Cleaning0800 30 May 991200 30 May 99
(2) Ram fans, exhausting from 5-51-0-E to weather deck(1) Ram fan, supplying air from weather deck to 5-51-0-E.
N/A
N/A
All personnel inside space ( no more and no less than 2) must wearSAR/SCBA, clean coveralls and chemical gloves. One safety observer station directly outside the space using con-space comms with personnel inside space. One attendant and one CPA operator shall also be outside assisting with the SAR/SCBA. Any questions or changes call the GFE (254)
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(2) Ram fans, exhausting from 5-51-0-E to weather deck(1) Ram fan, supplying air from weather deck to 5-51-0-E.
0800 30 May 991200 30 May 99
Cleaning5-51-0-E
USS NEVERSAIL
06-00051
N/A
N/A
All personnel inside space ( no more and no less than 2) must wearSAR/SCBA, clean coveralls and chemical gloves. One safety observer station directly outside the space using con-space comms with personnel inside space. One attendant and one CPA operator shall also be outside assisting with the SAR/SCBA. Any questions or changes call the GFE (254)
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(2) Ram fans, exhausting from 5-51-0-E to weather deck(1) Ram fan, supplying air from weather deck to 5-51-0-E.
0800 30 May 991200 30 May 99
Cleaning5-51-0-E
USS NEVERSAIL
06-00051
N/A
N/A
All personnel inside space ( no more and no less than 2) must wearSAR/SCBA, clean coveralls and chemical gloves. One safety observer station directly outside the space using con-space comms with personnel inside space. One attendant and one CPA operator shall also be outside assisting with the SAR/SCBA. Any questions or changes call the GFE (254)
DC1(SW) BRYANT
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20.2%
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20.2%
0%
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CO
20.2%
0%
8 PPM
CO² 700 PPM
H²S 0 PPM
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CO
20.2%
0%
8 PPM
CO² 700 PPM
H²S 0 PPM
Unity: .40
Don’t forget Don’t forget about “Unity”about “Unity”
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(2) Ram fans, exhausting from 5-51-0-E to weather deck(1) Ram fan, supplying air from weather deck to 5-51-0-E.
0800 30 May 991200 30 May 99
Cleaning5-51-0-E
USS NEVERSAIL
06-00051
N/A
N/A
All personnel inside space ( no more and no less than 2) must wearSAR/SCBA, clean coveralls and chemical gloves. One safety observer station directly outside the space using con-space comms with personnel inside space. One attendant and one CPA operator shall also be outside assisting with the SAR/SCBA. Any questions or changes call the GFE (254)
DC1(SW) BRYANT
20.2
0
CO 8 PPM
CO² 700 PPM
H²S 0 PPM
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DBB
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DBB
There is danger of poisoning due to toxic materials.
Danger of suffocation due to oxygen deficiencies.
There is a danger of fire or explosion
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DBB
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DBB
Toxic materials, vapors or gases may be present or evolve in the space
Flammable vapors may be present or may evolve but at levels less than 10% of the LEL
There is a danger of fire, explosion or excessive toxic levels in the presence of hot work
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DBB
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DBB
Toxic materials, vapors or gases do not, or are not likely to exceed PEL
Oxygen content is safe for personnel
There is a danger of fire or explosion, or excessive toxicants in the presence of hot work
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DBB
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DBB
Oxygen, Explosive and toxics are below levels and will not likely exceed unsafe levels
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DBB
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DBB
Dry Nitrogen
WaterOR
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DCC(SW) BaileyCapt. Kirk or N /A
DBB
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(2) Ram fans, exhausting from 5-51-0-E to weather deck(1) Ram fan, supplying air from weather deck to 5-51-0-E.
0800 30 May 991200 30 May 99
Cleaning5-51-0-E
USS NEVERSAIL
06-00051
N/A
N/A
All personnel inside space ( no more and no less than 2) must wearSAR/SCBA, clean coveralls and chemical gloves. One safety observer station directly outside the space using con-space comms with personnel inside space. One attendant and one CPA operator shall also be outside assisting with the SAR/SCBA. Any questions or changes call the GFE (254)
DC1(SW) BRYANT
20.2
0
CO 8 PPM
CO² 700 PPM
H²S 0 PPM
DCC(SW) BaileyCapt. Kirk
DBB
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Gas Free Certificatea) Log Resultsb) Safe for Personnel? Requirements???c) Ventilation Requirementsd) Posting Requirements
Inventorya) Tool Checkb) Trash, Rags, People…?
POST INSPECTION PROCEDURESPOST INSPECTION PROCEDURES
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RETESTINGRETESTING Entry or Work Delay Expiration (8 Hours) Hazards Detected Ship Movement
Securing Ventilation New Operations or
Materials Closing Space Or
Temporary Shutdown
RECERTIFICATION
19.5 % < O2 < 22 % 2 0 . 7 % 2 0 . 9 % 2 0 . 8 % < 1 0 % L E L 0 0 0
CO < 35 ppm 0 0 0H2S < 10 ppm 0 0 0
N/AN/A
MLA
M L Anderson LTJGN / A
1 6 0 0 1 2 M A Y 9 8 2 4 0 0
0 0 0 0 1 3 M A Y 9 8 2 0 0 0
R K LaCount DCC(SW) GFEA
MA Bowen HT1(SW) GFEPO
RKL MAB
(Do Over)
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CAN GFEPO’S BE CAN GFEPO’S BE ASSIGNED TO ASSIGNED TO
RETEST OR CERTIFY RETEST OR CERTIFY A SPACE?A SPACE?YES
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GAS FREE CERTIFICATESGAS FREE CERTIFICATES POSTING REQUIREMENTS
Gas Free Files OODAll Accesses to the SpaceDivision Requesting ServicesDamage Control Central
Must Retain for At Least 1 YearMust Retain for At Least 1 Year
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GAS FREE
&HOT WORK
LOG
FILE IN YOUR GAS FREE LOG
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Time to make your own certificate.First we will do one for cleaning,
then hot-work
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REVIEW AND SUMMARYREVIEW AND SUMMARY
Lesson Topic 3.4Lesson Topic 3.4
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Review and SummaryReview and Summary
Pre-Inspection Procedures Initial Oxygen test Initial Explosive test Inital Toxic test Preparing to enter space Gas Free Test and Inspection
Lesson Topic 3.4, Gas Free Inspection and Certification
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THE ENDTHE END
Lesson Topic 3.4Lesson Topic 3.4