ISO Containment enclosures – Part 1: Design principles. Be notified when this Standard is updated or amended – Add to StandardsWatch. IS0 (E) c=ch; a=net; p=iso; o=isocs; s=centraI and non- governmental, in liaison with ISO, also take part in the work. IS0. ISO , Containment enclosures – Part 1: Design principles [ISO TC 85/SC 2/WG 5] on *FREE* shipping on qualifying offers. This part.
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Key principles and elements used in developing this guide are consistent with national and international standards. 10648–1 waste storage areas within the room will be lockable, to restrict access to authorized individuals only. This section is to be completed only if volatile nuclear substances are to be used or stored, or if aerosols or gases are likely to be produced. An emergency eye-wash station will be provided in the room or in close proximity to the room. Sustainable Development Goals and standardisation, how do they connect?
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Standards New Zealand :: Containment enclosures — Part 1: Design principles
Shopbop Designer Fashion Brands. At the planning and design stage, the impact of design decisions on potential doses to persons excluding the patient should be a prime consideration. Amazon Prime Music Stream millions of songs, ad-free.
Rather, it is likely that only one or two nuclear substances and procedures will be of importance. The annual number of procedures performed is estimated from the daily workload by assuming five days of operation per week procedures are not done on the weekends50 weeks per year. Table B4 summarizes the parameters required to perform the dose estimates for the example. Carpeting will not be used. Archived Content Information identified as archived on the Web is for reference, research or recordkeeping purposes.
Step 4 Estimate the radiation dose rates produced in each potentially occupied area. This method is generally useful when designing a new room or department. Fume hoods will not be located adjacent to a single means of access to an exit, due to possible volatility of the fume hood contents. The room will be equipped with lockable doors that will remain closed and locked whenever nuclear substances and radiation devices are present in the room and the room is unoccupied.
Air flow will always be from the area of low radiation. Fume hood exhaust ducts will contain only vertical sections. Fume hood exhaust ducts will be constructed of corrosion-resistant material and all joints will be smoothly finished and sealed. Would you like to tell us about a lower price? Examples of various seals available and the assembly of containment enclosures are shown in annexes A and B.
Please note that the selected standard is invalid. The following enclosures have been deliberately excluded from the scope of this part of ISO Read more about SIS Subscriptions. Attach separate page if necessary. Water supply sources for drinking water will not cross-connect with plumbing for the room.
Table B3 summarizes the parameters required to perform the dose rate estimates for the receptionist. The quantity of unsealed nuclear substance used at a single time does not exceed 5 times its corresponding annual limit on intake ALI. DCF Dose conversion factor; the committed effective dose in Sv, per unit activity in Bq, delivered by a given radionuclide of a given form.
If the countertop abuts a wall, it will either be coved or have a back-splash against the wall. Flooring will be coved up walls and cabinets to prevent spills from penetrating underneath them. For example, nuclear medicine technologists are usually designated as NEWs. The drawings need to show the locations where significant quantities of nuclear substance will be present, and those occupied locations where persons other than the patient might be expected to 16048-1 exposed to radiation as a result of the sio medicine procedures.
The following pages may be detached from the guide and mailed in as part of the licence application.
Containment enclosures – Part 1: Design principles
Be the first to review this item Would you like to tell us about a lower price? The last two types can be mounted behind shielding or can have directly attached shielding. Assessing the doses received by every individual from every possible source is impractical, so the evaluation may be simplified by evaluating the proximity, frequency, and duration of exposure for persons in each group to establish the most exposed persons.
Visit our Help Pages. The key locations include both the rooms where any nuclear substance will be administered to the patient and the main post-administration locations occupied by patients, such as injection rooms, designated waiting areas, gamma camera rooms, and treadmill rooms. A sample calculation for one representative source location D 2 and procedure imaging after stress testing is given below:.
Step 5 Extrapolate the measured or calculated dose rates at each location to annual doses for the persons who may occupy each area, based on the projected facility workload and the occupancy factor. The work surface of the fume hood will be reinforced to bear the weight of any shielding material that is required. For each location in and around the facility where a significant contribution to the total dose received by a person would be expected, the dose to each representative person, assuming an appropriate occupancy factor, should be determined.
Concrete, either in the form of poured slabs or solid concrete block, is generally a more viable solution to PET shielding problems. Food and drink preparation, use, and storage areas will not be present in the room unless required as part of a nuclear medicine procedure. Walls and ceiling will be finished with a smooth and washable surface and the joints will be sealed where applicable, for easier clean-up if contaminated due to backspray from a vial or some other such event.
An access control system key, keypad, key fob, other will be in place to ensure that only authorized users can enter the restricted room. Air kerma values were converted to dose using NIST values for mass energy absorption coefficients. Rooms where unsealed nuclear substances are used in industrial, medical, or academic research settings are classified by the CNSC as basic, intermediate, high, or containment-level laboratories, or as nuclear medicine rooms, depending on the amount of nuclear substances handled in the room and on the nature of the work performed.