GI 2.709 Gas Testing.pdf

Please download to get full document.

View again

of 12
537 views
PDF
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Document Description
SAUDI ARABIAN OIL COMPANY (Saudi Aramco) G. I. No. Approved GENERAL INSTRUCTION MANUAL 2.709 ISSUE DATE REPLACES ISSUING ORG. LOSS PREVENTION DEPARTMENT 07/01/2016 01/09/2013
Document Share
Documents Related
Document Tags
Document Transcript
  SAUDI ARABIAN OIL COMPANY (Saudi Aramco) G. I. No.  Approved  2.709 GENERAL INSTRUCTION MANUAL ISSUING ORG. LOSS PREVENTION DEPARTMENT ISSUE DATE 07/01/2016 REPLACES 01/09/2013 SUBJECT GAS TESTING USING PORTABLE GAS MONITORS  APPROVAL  AAG PAGE NO. 1 OF 12   * CHANGE   ** ADDITION    NEW INSTRUCTION COMPLETE REVISION X Saudi Aramco: Company General Use CONTENT 1.0   PURPOSE 2.0   SCOPE 3.0   REFERENCES 4.0   DEFINITIONS 5.0   RESPONSIBILITIES 6.0   REQUIREMENTS SUPPLEMENTS: Supplement 2.709-1, Confined Space Entry Atmospheric Limits Supplement 2.709-2, Portable Gas Monitor Alarm Set Points Supplement 2.709-3, Portable Gas Monitor Limitations and Precautions Supplement 2.709-4, Daily Inspection and Function Test Log 1.0 PURPOSE The purpose of this general Instruction (GI) is to provide information regarding performing atmospheric gas tests using portable gas monitors (Industrial Scientific [ISC] models MX4 and MX6) as required by GI 2.100, Work Permit System . Tests for hydrogen sulfide (H 2 S), oxygen concentration, combustible gases, and/or any other toxic substances (e.g., carbon monoxide [CO]) shall be performed before issuing work permits and either continuously or  periodically during work activities, as necessary. The Saudi Aramco-approved gas monitoring equipment and their accessories are used to continuously and simultaneously monitor the presence of combustible gases or vapors, toxic substances and oxygen concentration in air. 2.0 SCOPE 2.1 This instruction applies to all gas testing activities during construction, commissioning, start-up, operation, maintenance, decommissioning and demolition at Saudi Aramco (SA) facilities and SA project sites in accordance with GI 2.100. 2.2 This instruction is not a manual of how to operate portable gas monitors. 2.3 The equipment manufacturer's instruction manuals shall be consulted and utilized where applicable when operating, calibrating or function testing portable gas monitoring instruments. 2.4 Any conflict with this instruction and other applicable engineering standards (SAES), engineering procedures (SAEPs), or codes used by Saudi Aramco shall be referred to the appropriate standards committee chairman for resolution. 3.0   REFERENCES   GI 2.100, Work Permit System    SAUDI ARABIAN OIL COMPANY (Saudi Aramco) G. I. No.  Approved  2.709 GENERAL INSTRUCTION MANUAL ISSUING ORG. LOSS PREVENTION DEPARTMENT ISSUE DATE 07/01/2016 REPLACES 01/09/2013 SUBJECT GAS TESTING USING PORTABLE GAS MONITORS  APPROVAL  AAG PAGE NO. 2 OF 12   * CHANGE   ** ADDITION    NEW INSTRUCTION COMPLETE REVISION X Saudi Aramco: Company General Use GI 6.012,  Isolation, Lockout and Use of Hold Tags  GI 1780.001,  Atmosphere-Supplying Respirators Saudi Aramco Construction Safety Manual   (CSM)   ISC Ventis MX4 Product Manual ISC MX6 iBrid Multi Gas Monitor Operation Guide 4.0 DEFINITIONS 4.1   Alarm Set Point: The selected gas concentration level at which an alarm is activated. 4.2   Asphyxiant: A vapor or gas which can cause unconsciousness or death by suffocation (lack of oxygen). 4.3   Atmosphere-Supplying Respirator: A respirator that provides breathing air from a source independent of the surrounding atmosphere. These include supplied air (airline) breathing apparatus (SABA) and self-contained  breathing apparatus (SCBA). 4.4   Asset Task Tracking System (ATTS): A corporate solution in SAP plant maintenance, which can be used to track the calibration of portable gas monitors and issue a notification to asset owners when the periodic calibration is due. 4.5   Calibration Gas: A gas of known concentration(s) used to set the instrument span or alarm level(s). 4.6   Confined Space: Any space that:    Has limited or restricted means of entry or exit.    Is not designed for human occupancy.    Contains or has the potential to contain a hazardous atmosphere.    Contains any other recognized serious safety or health hazard(s). Examples of confined spaces include tanks, vessels, vessel skirts, vaults, manholes, sewers, valve boxes, lift stations, and structures or excavations 1.2 m (4 ft.) deep or deeper. Areas above floating roof tanks where the top of the roof is more than 1.2 m (4 ft.) below the rim of the tank are also considered confined spaces. 4.7   Flammable Mixture: Hydrocarbon mixtures composed of various volatile compounds. Flammable materials contain vapors or gases which are potentially explosive and can ignite when exposed to an open flame or ignition source. 4.8   Function Test: A function test, or bump test, involves exposing the instrument’s sensors to a known gas concentration to indicate that the instrument will respond accordingly and that all alarms operate as they were designed and calibrated. 4.9   Gas Test: Analysis, using a company-approved gas monitoring instrument, of an atmospheric sample to determine the concentration of oxygen, and presence of combustible or toxic gases. 4.10   Hazardous Atmosphere: An atmosphere in which workers are exposed to the risk of death, injury, incapacitation or illness. 4.11   Immediately Dangerous to Life and Health (IDLH): An atmospheric concentration of any toxic, corrosive or asphyxiant substance that poses an immediate threat to life or would cause irreversible or delayed adverse health effects or would interfere with an individual's ability to escape from a dangerous atmosphere.  SAUDI ARABIAN OIL COMPANY (Saudi Aramco) G. I. No.  Approved  2.709 GENERAL INSTRUCTION MANUAL ISSUING ORG. LOSS PREVENTION DEPARTMENT ISSUE DATE 07/01/2016 REPLACES 01/09/2013 SUBJECT GAS TESTING USING PORTABLE GAS MONITORS  APPROVAL  AAG PAGE NO. 3 OF 12   * CHANGE   ** ADDITION    NEW INSTRUCTION COMPLETE REVISION X Saudi Aramco: Company General Use 4.12   Lower Explosive Limit (LEL): The lower vapor concentration boundary for a specific compound or material of interest at which the vapor-air mixture will propagate a flame (i.e., explode) if ignited. When testing for combustible gas using gas monitoring instruments, the amount of combustible gas present is specified in terms of % LEL: 0% LEL being a combustible gas-free atmosphere and 100% LEL being an atmosphere in which the gas is at its lower explosive limit. 4.13   Oxygen Deficient: An atmosphere that contains less than 20.0% oxygen. 4.14   Oxygen Enriched: An atmosphere that contains more than 23.5% oxygen. 4.15   Parts Per Million (PPM): A unit of measurement used for small portions or concentrations. In gas analysis, it expresses the volume of gas present in terms of its relationship to a whole of 1 million parts of air. 1% = 10,000 ppm. 1% of volume = 10,000 ppm, 100% of volume=1,000,000 ppm. 4.16   Sensor: A sensor (also called detector) is a converter that measures a physical quantity and converts it into a signal which can be read by an electronic instrument. A gas detecting sensor converts the presence of a gas or vapor into a measurable signal. 4.17   Threshold Limit Value (TLV): A time-weighted average concentration under which most people can work consistently for 8 hours a day, day after day, with no harmful effects. A table of these values and accompanying precautions is published annually by the American Conference of Governmental Industrial Hygienists. 5.0 RESPONSIBILITIES 5.1 Proponent management shall: 5.1.1 Ensure employees involved in gas testing and using portable gas monitoring equipment are in compliance with the procedures and requirements in this instruction. 5.1.2 Verify appropriate gas tests are conducted in accordance with GI 2.100 prior to issuing a work permit (and during the course of work activities when necessary), and for all jobs where toxic gas, combustible gas or oxygen deficiency/enrichment may exist. 5.1.3 Ensure that gas tester candidates have sufficient knowledge and experience, are capable of recognizing hazards, and are competent in the requirements of GI 2.100 and this instruction, prior to their enrollment in the applicable certification training. 5.1.4 Instruct employees to complete the gas testing e-Learning module available on the Training & Development (T&D) intranet site (http://tdonline.aramco.com.sa) prior to enrollment for gas testing certification in order to enhance their knowledge of gas testing techniques and requirements. 5.1.5 Ensure gas testing personnel are trained, tested and certified every two years in the correct use of gas testing equipment. Certified gas testers shall be informed of updates or changes to company and/or department requirements regarding use of portable gas monitors. 5.1.6 Ensure that sufficient number and type of gas testing devices are provided to gas testing personnel. 5.1.7 Department/division heads shall authorize employees as certified gas testers  and issue certificates after successful completion of the gas testing training (in accordance with Section 6.2), and pass the subsequent certification test. Individuals will be certified on the specific gas monitoring equipment they have been trained on. 5.1.8 Ensure users of ISC gas monitor models MX4 and MX6 conduct daily inspection & function test and  pre-use instrument checks in accordance with Section 6.23.  SAUDI ARABIAN OIL COMPANY (Saudi Aramco) G. I. No.  Approved  2.709 GENERAL INSTRUCTION MANUAL ISSUING ORG. LOSS PREVENTION DEPARTMENT ISSUE DATE 07/01/2016 REPLACES 01/09/2013 SUBJECT GAS TESTING USING PORTABLE GAS MONITORS  APPROVAL  AAG PAGE NO. 4 OF 12   * CHANGE   ** ADDITION    NEW INSTRUCTION COMPLETE REVISION X Saudi Aramco: Company General Use 5.1.9 Verify that each instrument is properly calibrated every three months, at a minimum. 5.1.10 Ensure that each instrument calibration is tracked through ATTS. Guidance information on how to add portable gas monitors to ATTS can be found on the LPD intranet site (http://lp.aramco.com.sa/site/education/publications/special). 5.1.11 Immediately notify the vendor and arrange for any defective or damaged MX4 and MX6 instruments and any key accessories (suc h as the Docking Station, charging units, etc.) to be sent to the vendor’s service center for necessary repairs. 5.2 Training & Development shall: 5.2.1 Conduct gas tester classes and administer certification and re-certification tests so that the proponent division head can certify and maintain successful candidates as department/division gas testers. 5.2.2 Maintain a record of current certified gas testers. 5.2.3 Administer re-certification test to candidates that have successfully completed the gas tester e-Learning course. 5.2.4 Administer e-certificates to proponent organizations for successful candidates. 5.3 Certified gas testers shall: 5.3.1 Ensure they maintain and carry a valid gas testing certificate signed by their respective division head. 5.3.2 Utilize only an instrument which bears a valid calibration-due-date sticker or indicates a valid calibration date in the system’s memory, has the correct sensors for the gases to be detected, and which passes daily inspection & function test and the pre-use checks per Section 6.23. 5.3.3 Use only portable gas monitors for which they have been trained and certified. 5.3.4 Conduct daily inspection & function test and pre-use checks for the MX4 and MX6 portable gas monitors in accordance with the manufacture r’s instructions. Results of the daily inspection & function test shall be recorded on a daily log sheet. 5.3.5 Conduct required gas tests for combustible atmospheres, toxic atmospheres (e.g., H 2 S, CO), oxygen concentration and additional air contaminants (as required) in accordance with GI 2.100 requirements and this instruction. Gas test limits shall meet the requirements of Section 6 to determine if safe working conditions exist, before a work permit is issued. 5.3.6 Enter the gas test results on the respective work permit and sign the corresponding gas testers section (i.e., Section 3 of the work permit). 6.0 REQUIREMENTS 6.1   Only personnel having a valid gas testing certificate issued by T&D and signed by the gas testers’ division head may perform gas tests in accordance with the requirements of GI 2.100 and use the ISC MX4 and/or MX6 devices to monitor atmospheric conditions. 6.2 Gas testing personnel shall be trained, tested and re-certified every two years in the correct use of gas testing equipment. Training includes the curriculum offered by T&D (BET #40069981, Gas Testing Program) . 6.3 Gas testers shall carry a valid certificate issued by T&D and signed by the gas testers’ respective division head.
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks