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Operating Instructions

SHLM MI4

®

Source Holder

Document ID:

48642

Nuclear

Summary of Contents for SHLM MI4

Page 1: ...Operating Instructions SHLM MI4 Source Holder Document ID 48642 Nuclear...

Page 2: ......

Page 3: ...ritten permission of VEGA Americas Inc The material in this document is provided for informational purposes and is subject to change without notice ISO 9001 approval by Lloyd s Register Quality Assura...

Page 4: ...4 48642 US 150527 NOTES...

Page 5: ...15 Standards 15 Manufacturer s Responsibility 15 User s Responsibility 15 3 Product Description 17 Components 17 Documentation 17 Caution Radioactive Material Label 17 Actuator Cabinet 18 Stainless S...

Page 6: ...ary Survey 35 Perform a Leak Test 35 Radiation Survey after Installation 36 Shutter Operation Test on applicable source holders 36 Shutter ON OFF Mechanism required every six months 37 Special Conditi...

Page 7: ...dule 57 Diagnostics 58 Troubleshooting 58 Spare Parts 60 Equipment Repair 60 Repair Information 60 8 Dismounting 61 De commission the Source Holder 61 Dismount or Removal Requirements 61 Disposal 63 S...

Page 8: ...8 48642 US 150527 NOTES...

Page 9: ...e instructions and procedures in the documentation are designed for users seeking product knowledge usage and functionality Figure 1 1 SHLM MI4 The instructions in this guide are written for qualified...

Page 10: ...1 3 Explanation of Symbols Danger Identifies an imminently hazardous situation which if not avoided will result in death or injury Warning Identifies a potentially hazardous situation which if not avo...

Page 11: ...48642 US 150527 11 Bulleted list Indicates a list of items with no intended or implied sequence 1 Steps or Sequence Identifies successive steps in a procedure...

Page 12: ...12 48642 US 150527 NOTES...

Page 13: ...ety regulations and accident prevention rules 2 2 Radiation Safety The radiation safety information is included as a service to you and serves as a guide only in the most general terms Regulatory agen...

Page 14: ...ed measurement of applications including density and continuous and point level The most common industries for the SHLM MI4 include Chemical Petrochemical Offshore Refining Refer to the Radiation Safe...

Page 15: ...clear Regulatory Commission NRC Compliance certificates are issued by the State of Ohio under an agreement with the NRC 2 5 Manufacturer s Responsibility VEGA source holders are designed to Internatio...

Page 16: ...16 48642 US 150527 NOTES...

Page 17: ...d or level measurement The source holder design can also use multiple point sources for level measurement The source carrier s is attached to a stainless steel cable and can have up to four cables mou...

Page 18: ...I Figure 3 1 Actuator Cabinet The actuator cabinet door is hinged at the bottom and opens from the top You must be prepared for the weight of the door and avoid injury to your body if it falls open Yo...

Page 19: ...48642 US 150527 19 Stainless Steel Cable The stainless steel cable is used to insert and retract a source capsule s into the vessel by way of the drywell Figure 3 2 Stainless Steel Cable...

Page 20: ...conduit is made of a galvanized steel core with a durable thermoplastic rubber jacket that is heat oil and chemical resistant When connecting the flex conduit from the actuator cabinet to the source...

Page 21: ...carbon steel with a polyester powder coating and performs the following Houses all radiation emitting source capsules Protects the radioactive source Provides a means for shielding and locking out the...

Page 22: ...rocess vessel Figure 3 5 Shutter Closed Open Bracket and Lifting Eye A forklift bracket and the lifting eyes on the housing help when lifting the source holder into place for installation Depending on...

Page 23: ...individual cables to allow easier insertion and retraction of the cables into the SHLM MI and the vessel The plates also help organize the cables inside the actuator cabinet Figure 3 6 Teflon Plates...

Page 24: ...e elevation is defined for the source the set screw on the detent plug is tightened down so that the height is permanently established in the vessel Once that height is confirmed the detent plug can e...

Page 25: ...US 150527 25 Cable Latches Cable latches allow access to one cable at a time inside the actuator cabinet while inserting or retracting a cable into the vessel for ease of operation Figure 3 9 Cable La...

Page 26: ...26 48642 US 150527 NOTES...

Page 27: ...ent make sure you follow the steps below 1 Unpack the unit in a clean dry area 2 Visually inspect the source holder for damage 3 Check the entire shipment for damage during shipment or storage Before...

Page 28: ...der 7 If you are not installing or mounting the source holder immediately find a storage area that is isolated and secure 8 Allow access to authorized personnel only 9 Maintain records of the shipping...

Page 29: ...ged or is different from the original order notify VEGA before installing the equipment Internal Obstructions If an internal obstruction such as an agitator baffle or manway is directly in the path of...

Page 30: ...er when the materials change or you introduce new ones an erroneous gauge reading is possible For example insulation that you add after adjustment absorbs the radiation and causes the gauge to erroneo...

Page 31: ...48642 US 150527 31 Figure 4 2 SHLM MI4 Preferred Density and Point Level Orientation...

Page 32: ...Figure 4 3 Figure 4 3 Source Detector Arrangement for Adjacent Vessels 1 Radiation Beam 2 Detector 3 Source Holders 4 5 Temperature Your source holder may have components that are sensitive to tempera...

Page 33: ...specific license requirements the process of commissioning the source holder can include Inspecting the mounting supports Testing the source holder for any source material leakage Conducting open and...

Page 34: ...e requirements for the installation of a source holder Regard each separate placement or relocation as a new installation Installation is the process of preparing the mounted source holder for use and...

Page 35: ...erial number or other identification on the bag 3 Open the zip top bag and grasp the swab stick by the end opposite of the fiber tip 4 Wipe the external surface of the source holder by using the fiber...

Page 36: ...udes anyone whose assigned duties require his presence in the vicinity of the source holder Complete the evaluation to determine if the limit of 5 000 mSv 500 mrem per year which would require monitor...

Page 37: ...n levels by level detectors or other means is necessary to ensure that the source is in the shielded position and not in the source well Keep the records of these tests listing the date and name of th...

Page 38: ...t documentation consistent with OSHA rules At a minimum follow the steps listed below where applicable 1 Verify by signature that source holder is locked in the OFF shutter closed position 2 Ensure th...

Page 39: ...engineering drawings and specifications Seecertified correctdrawingsorcontactVEGA Americas 5 Ensure adequate clearance to operate shutter or cable mechanism 6 Consider in advance any high temperature...

Page 40: ...lation it is necessary to insert the source capsules into a dry well from the bottom of the tank The source capsules are pushed up into the well As the capsules are moving from the source holder into...

Page 41: ...s in the cable path from the cabinet to the source holder Mounting Steps 1 Remove the shipping plate from the end of the source holder using a 3 4 socket and ratchet 2 Use the same fasteners to tempor...

Page 42: ...mporary attachment greatly aids in identifying a suitable location for the actuator cabinet To aid the process of finding the best surface for mounting the actuator cabinet a mounting frame is offered...

Page 43: ...48642 US 150527 43 Figure 5 4 Mounting Frame without Cabinet...

Page 44: ...44 48642 US 150527 NOTES...

Page 45: ...es optional 3 4 socket and ratchet Large Phillips head screw driver 2 7 16 open end wrenches 1 8 hex key Large flathead screwdriver Preparation 1 Remove the shipping plate from the connection end of t...

Page 46: ...rmits allow the actuator cabinet door to swing open to permit access to the inside of the cabinet 5 If a minimum clearance of 30 is not available the installer can remove the door by pulling the hinge...

Page 47: ...is provided on the rear panel of the cabinet for the location and the source activity of each capsule in the vessel Figure 6 4 Source Carrier Description Labels The labels on the rear panel provide de...

Page 48: ...n the right side of the cabinet The names of the cables should match those of the source carriers Figure 6 5 Cable Labels 3 Make sure you read the Operating Instructions label provided on the rear pan...

Page 49: ...ure 6 7 Insert Cables The T cable is the insert cable for the source carrier intended for the top of the vessel Likewise each additional cable is an insert cable for the source carrier and is intended...

Page 50: ...Figure 6 8 Cable Latches 3 With your right hand push approximately 48 of the cable downward and into the flex conduit This action will extend the T cable outward from the source carrier cover for eas...

Page 51: ...d end that is covered by a thread protector Figure 6 9 Thread Protector 2 Rotate the thread protector to remove and to expose the connection threads on the source carrier 3 Notice the jam nut that is...

Page 52: ...scribed above for all cables in the actuator cabinet Attaching Source Carrier Cover The process for attaching the source carrier cover to the source holder is best performed with two 2 people since ac...

Page 53: ...er outward until it locks into the detent 3 Return to the actuator cabinet with the 1 8 hex key 4 To establish proper source carrier elevation within process vessel 5 Release the source carrier you wi...

Page 54: ...making note of the cable identification 4 Grab the cable with one hand and push the cable downward and into the flex conduit while using the other hand to grab the full cable bundle and rotate it Tigh...

Page 55: ...high grip or heat resistant gloves is recommended to complete the retraction of the cable 1 Return to the actuator cabinet and open the door 2 Unhook a cable from a cable latch making note of the cabl...

Page 56: ...abinet while using the other hand to help rotate the coil of cable in the direction of the winding 5 Continue this process until no further movement of the cable is permitted 6 Repeat steps two 2 thro...

Page 57: ...re Source wipe Leak test Every three years unless otherwise required by applicable nuclear regulatory agency See the Leak Test procedure Location Annually Ensure that the source holder is in the corre...

Page 58: ...n the United States contact the U S NRC or an agreement state Damaged or failed source Retract the capsules into the shielded position if possible and contact VEGA Americas Nuclear Services Missing or...

Page 59: ...edures for installing the label Improper licensing In the United States contact the U S NRC or an agreement state Cables can get stuck Contact VEGA Americas Nuclear Services Maximum weight of insertio...

Page 60: ...rvice Engineer Repair Information When calling VEGA Americas for repair have the following information available Product model that is being repaired Description of the problem VEGA Americas Customer...

Page 61: ...mount or Removal Requirements Before you remove the source holder perform the following steps Conduct a visual inspection of source holder Make certain the external surface is smooth and not damaged C...

Page 62: ...for removing the source holder include the following Radiation Survey Leak Test if shipping the unit Only a specifically licensed individual can perform the removal The specifically licensed person mu...

Page 63: ...ation regarding the disposal of the source The contact information for the U S and Canada is Contact Information Telephone Number Monday through Friday 8 00 A M 5 00 P M EST Eastern Standard Time 513...

Page 64: ...64 48642 US 150527 NOTES...

Page 65: ...point sources Maximum C0 60 Activity 1 85 GBq 5 mCi for 50 uSv 305mm 5mR hr 12 500 mCi for point sources 500 mCi total and 50 mCi ft for multi point sources Conduit Santoprene surrounding flexible st...

Page 66: ...ed in OAC 3701 1 46 an equivalent to 10 CFR 31 and 32 If you need to transfer the source holder to another location or dispose of the source holder specific licensees are required Handling Installatio...

Page 67: ...Length and Shielding Consult Factory 8 Enclosure Depth 305 12 00 9 Service Clearance 94 36 00 10 Actuator Cabinet Door Not Shown for Clarity 11 Actuator Door Hinge 762 30 00 Clearance Req d for Actuat...

Page 68: ...ne source holder Includes swab shipping container instructions analysis and report 229555 Signage Caution Radioactive Materials warning sign 238911 Survey Meter General purpose digital survey meter 24...

Page 69: ...lysis Start up and commissioning Service maintenance and disposal of source material 10 2 U S Canada and Worldwide VEGA has Field Service Engineers available for on site service emergency services or...

Page 70: ...70 48642 US 150527 NOTES...

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Page 72: ...a com www vega americas com 48642 US 150527 Subject to change without prior notice 2015 VEGA Americas Inc Cincinnati Ohio USA All statements concerning scope of delivery application practical use and...

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