37-Control-Radiation-Hazards

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					Jubail United Petrochemical Co mpany (United)                                                                   Site Safety Procedures Manual
United Olefins Co mp lex Pro ject                                                                                            Rev. 1, July, 2001
Jubail, Saudi Arab ia                                                                                                               Page 1 of 5


37.        CONTROL OF RADIATION HAZARDS (RADIOGRAPHY)



           A.          GENERAL

                       This procedure establishes the necessary requirements and controls used in X-raying or ionizing
                       radiation radiographic work for Contractors to follow on the Project.

                       All certification records, exposure records and other documentation required by this procedure
                       must made available to Owner upon request.

                       Contractor must ensure that should subcontractors be used to perform radiography work that
                       they are fully aware of the requirements of this procedure.


           B.          DEFINITION
                       Radiation
                       The emission of atomic particles or electromagnetic radiation form the nucleus of an atom
                       occurring by natural decay of radioisotopes (nuclides) and / or x-rays as produced by electrical
                       means from portable or static equipment.

                       Radiation Areas
                       Any area with levels of radiation in which the human body could receive a dose of radiation
                       greater than 2 milli-rems in one hour or 100 milli-rems in any five consecutive days.


           C.          REQUIREMENTS
                       1)          All phases of industrial radiography, both gamma and X-ray, must be performed by
                                   trained radiographers and assistant radiographers licensed for Saudi.
                       2)          The construction engineer is responsible for all radiographic work. The construction
                                   engineer must get the approval of the Project Manager (or designee) prior to the
                                   beginning of any radiation work.
                       3)          All sources must be checked for leaks at least every six (6) months.
                       4)          Caution must be used to ensure that radioactive sources in instruments (e.g., level
                                   gauges) are in the "off" or shielded position prior to allowing employees to work on
                                   associated equipment or vessels.
                       5)          The designated Contractor representative must be contacted prior to bringing any
                                   source onto the site. He must agree on intended use and storage.

                       6)          Contractor shall obtain the approval from Owner prior to bringing radio active source
                                   onto the Project and all storage area for radio active sources shall be in accordance with
                                   Saudi law and the requirements SABIC and the Royal Commission. Contractor shall
                                   also obtain a permit from the Royal Commission for the storage of radioactive sources.




D:\Docstoc\Working\pdf\9e7e9548-1b7f-4859-b814-790937da8a61.docGENERAL SIT E CONDITIONS AND SAFETY PROCEDURES
Jubail United Petrochemical Co mpany (United)                                                                   Site Safety Procedures Manual
United Olefins Co mp lex Pro ject                                                                                            Rev. 1, July, 2001
Jubail, Saudi Arab ia                                                                                                               Page 2 of 5


                       Medical Requirements

                       All ‘authorised / classified’ personnel are subject to a regular medical check and continual
                       medical monitoring, a copy of such medical should be available or inspection by Owner.

                       Each ‘authorised / classified’ person can ask for a special medical examination should he so
                       deem. The Contractor shall make all arrangements for this examination.

                       Monitoring

                       All ‘authorized / classified’ radiographic personnel must be provided with a monitoring film
                       badge (thermoluminescent dosimeter - TLD) which must be supplied by an approved
                       organization, they must also be provided with a pocket dosimeter, which could be a quartz fibre
                       dosimeter - QFD or similar type dosimeter.

                       The standard wearing location of these monitors is waist level but for operational reasons they
                       may be worn at breast level. A survey meter with audible and visual alarms must be provided
                       for radiation area monitoring and shall accompany the source each time when on the Project.

                       Control Of Sealed Sources

                       An accurate accounting system is required for each source and equipment coming onto the
                       Project. The record required shall include the following: -

                                   a)         serial number
                                   b)         receipt date
                                   c)         decay chart
                                   d)         projector or transit container used

                       This record will be checked on each visit to the Project, should it not be available for inspection
                       the radiography work will not be allowed to commence. Should Contractor use a subcontractor
                       to perform the work then the subcontractor must be fully aware of this requirement.


           D.          RADIOGRAPHIC PERSONNEL

                       Responsible Personnel

                       Radiological Protection -                      All persons involved in ionizing radiation work are categorized
                                                                      under this description. All occupationally exposed personnel
                                                                      must be ‘authorized / classified’ by Contractor in writing.


                       Competent Persons -                            Contractor shall appoint in writing their construction engineer
                                                                      as the suitably competent person responsible for aspects of
                                                                      work involving the storage, the handling, the transportation and
                                                                      the use of an ionizing source on the Project.

                       These duties will include but not limited to the overseeing of the safe work practices, the
                       dealing with any emergency situation that my arise, the investigating of any emergency
                       situation and to report all incidents to their client.

D:\Docstoc\Working\pdf\9e7e9548-1b7f-4859-b814-790937da8a61.docGENERAL SIT E CONDITIONS AND SAFETY PROCEDURES
Jubail United Petrochemical Co mpany (United)                                                                   Site Safety Procedures Manual
United Olefins Co mp lex Pro ject                                                                                            Rev. 1, July, 2001
Jubail, Saudi Arab ia                                                                                                               Page 3 of 5


                       1)          The radiographic personnel must have the following available at the project:
                                   a)         a copy of license to handle radiographic sources;
                                   b)         emergency and operating procedures;
                                   c)         year-to-date radiation exposure records of the employees who perform the
                                              radiography and their training certification records;
                                   d)         the type of radioactive exposure records of the employees who perform the
                                              radiography and their training certification records;
                                   e)         make and model of survey equipment and their calibration records; and
                                   f)         the type of camera or source-handling facilities to be used and the leak test
                                              records on the source and container.

                       2)          Radiographic personnel must consult the Contractor and Owner Quality Control
                                   Inspector to inform them of the location, date and time of work, and type of source. A
                                   valid Radiography Permit must be maintained.


           E.          BARRICADE AND SIGNS
                       1)          All work areas must be barricaded with caution signs reading "Caut ion - Radiation
                                   Area" or "Caution - Radiography in Progress." These signs must have magenta letter
                                   and symbols on a yellow background. Barricade tape, the color of magenta and yellow,
                                   shall be used.
                       2)          The radiographic personnel must erect a barricade so that it does not exceed specific
                                   limits.
                       3)          Unauthorized personnel are prohibited inside the barricade while the source is exposed.
                       4)          At a minimum, all personnel entering the barricaded area must wear a radiation
                                   monitoring badge and a self-reading dosimeter.
                       5)          The Contractor Supervisor (or designee) must maintain a continuous patrol outside the
                                   barricade.


           F.          X-RAY EQUIPMENT
                       X-rays are generated by electrical current and can be turned on and off unlike radio isotopes
                       which emit radiation continuously. Radiation coming from an X-ray machine is much greater
                       than radioactive isotopes.


           G.          TRANSPORTATION

                            Only authorised personnel will be allowed to transport sealed sources.

                            Radiation warning signs must be fitted to the vehicles carrying the sealed source.

                            The source will be located inside a suitable container.



D:\Docstoc\Working\pdf\9e7e9548-1b7f-4859-b814-790937da8a61.docGENERAL SIT E CONDITIONS AND SAFETY PROCEDURES
Jubail United Petrochemical Co mpany (United)                                                                   Site Safety Procedures Manual
United Olefins Co mp lex Pro ject                                                                                            Rev. 1, July, 2001
Jubail, Saudi Arab ia                                                                                                               Page 4 of 5


                            The container will be secured in the cargo compartment of the vehicle and shall be securely
                             fixed.

                            The source will not be transported inside the personnel area of the vehicle.

                            The vehicle should never be left unattended when the source is in the vehicle.


           H.          PROCEDURE

                       1)          All radiography work to be carried out on the Project will be in accordance with the
                                   radiography permit. The permit must be fully completed and signed by the appropriate
                                   personnel before work is allowed to commence.

                       2)          Contractor must complete the radiography permit and submit to the Owner QA / QC
                                   department and the general superintendent for their approval. The FAL safety
                                   department will give final approval after the NDE equipment has       been checked
                                   by them at the main gate prior to entry onto either the live plant or the     new
                                   construction area.

                       3)          The approved Radiography Permit with an area plot plan and Radiography Notification
                                   attached to the permit must be submitted to Owner Safety at least 24 hours prior to the
                                   required radiography work.

                       4)          Owner Safety department will notify security to allow the radiography crew onto the
                                   Project. Upon arrival at the Project gate the records of the source(s) will be inspected to
                                   verify the correct source(s) are in the containers.

                       5)          The radiography crew(s) will then report to the Contractor representative who will
                                   identify the work to be carried out.

                       6)          Prior to commencing any radiography the area around the work location will be
                                   cleared of all non ‘authorised / classified’ personnel.

                                   This type of work is preferably carried out after normal working hours when no
                                   other personnel is on the Project.

                       7)          Barriers, lights and warning signs will be erected a safe distance from where the
                                   source is going to be used.

                       8)          The survey monitor will be used to carryout tests at the barriers (the source will be at
                                   the work location in the open position) prior to commencing work to ensure a safe
                                   distance from the source.

                       9)          An audible means of communication is required to inform other personnel the source is
                                   going into the operating position. A different audible system is also required to inform
                                   others the source is now in a safe position.

                       10)         Safe access and egress must be provided to each work location with adequate lighting to
                                   carry out their work safely.



D:\Docstoc\Working\pdf\9e7e9548-1b7f-4859-b814-790937da8a61.docGENERAL SIT E CONDITIONS AND SAFETY PROCEDURES
Jubail United Petrochemical Co mpany (United)                                                                   Site Safety Procedures Manual
United Olefins Co mp lex Pro ject                                                                                            Rev. 1, July, 2001
Jubail, Saudi Arab ia                                                                                                               Page 5 of 5


                       11)         It is the responsibility of the Contractor to ensure other Contractors on the project are
                                   informed at least 24 hours prior to the radiography commencing by distributing the
                                   Radiography Notification form.




           ATTACHEMENTS

           ATTACHEMENT A: RADIOGRAPHY NOTIFICATION
           ATTACHEMENT B: RADIOGRAPHY PERMIT




D:\Docstoc\Working\pdf\9e7e9548-1b7f-4859-b814-790937da8a61.docGENERAL SIT E CONDITIONS AND SAFETY PROCEDURES

				
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