Wir schaffen Wissen – heute für morgen

Paul Scherrer Institut

Radiation and Occupational Safety

An introductory course for external users of PSI facilities

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Welcome to the Introduction onRadiation and Occupational Safety at PSI

This presentation is for your health and safety. You are asked to carefully study the content of this presentation, which may take about 20-30 minutes.

This presentation contains a few questions you should be able to answer.

At the end of this introduction you are asked to fill out, print, and sign a form that must be shown to the PSI staff handing out your personal dosimeter.

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In Case of Emergency Call

3333 (intern)

056 310 3333 (mobile)

• Who reports? Provide name and phone number

• What happened? What kind of accident Have people been injured?

• Where did it happen? Facility / building

• When did it happen? Time of accident

Provide the following information:

Alarm Signals

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In Case of Emergency

Various kinds of hazards at PSI

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Safety at the

workplace

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Safety at work

General ruleBefore starting your work, inform yourself about potential hazards and safety rules at your working area by contacting

the line manager or your local contact person.

Access to the experimental areas at PSI can be denied,

when the safety instructions are not followed.

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• For general questions about safety at work please call:

8870• Basic processes and responsibilities with regard to occupational safety, health and

environmental protection at PSI are found in the document AW-01-07-02e

• Technical instructions (mostly in German) about occupational safety are found on the PSI Intranet: https://intranet.psi.ch/ASI/SicherheitAsi

Safety at work

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Electrical Installations

• Pay attention and be careful when working with electrical installations.

• Switch off power and/or disconnect power cable before doing maintenance work. Please contact your local adviser/ supervisor or staff from the Division for Infrastructure and Electrotechnics for questions.

• Special knowledge is required for working on low-, medium-, and high-voltage devices. Please delegate such work to the respective experts.

• Before starting to work at electrical installations, please read AW 93-05-02.

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Laser Safety

Important: Laser classes 3B and 4: special safety requirements are mandatory (protecting glasses, warning lights, signs, access control…)

Laser classes 1 and 2: warning sign and laser declaration.

Standards: PSI: AW-96-08-20e

SUVA (flyer “Achtung Laserstrahl”)

Technical expert: Thomas Lippert 4076

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Biological hazardsImportant: Experiments with genetically modified, pathogenic, and alien organisms

need to be registered in Switzerland.

PSI can only handle organisms of biosafety levels 1 and 2.

Experiments with animals need a permission.

Standards: PSI: AW-96-14-02e

The federal law “Ordinance on Handling Organisms in Contained Systems” rules the handling of biological material in Switzerland.

PSI Intranet: Biosafety

Technical expert: Philipp Berger 4728

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Important: If you need to work with unknown or high pressure devices please request prior assistance from your local contact.

Standards: PSI: AW-96-09-08

Technical expert: Reto Häfeli 2951

High pressure devices

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Important Lifting and attaching loads is dangerous and requires special training!

Cranes < 1000 kg rated capacity can be operated by instructed personal. Without the corresponding official instruction, any crane operation is strictly forbidden.

Operating cranes with a capacity > 1000 kg needs a special crane driving license. Please contact a corresponding service person.

Technical expert: David Reinhard 5448

Using cranes

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Important: Do not store any inflammable material.

Keep the escape routes clear.

Generally, comply with existing regulations.

Fire Protection

Technical expert: Alois Bächli 2037

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ChemicalsImportant: Chemicals hold a risk to health and environment: Inform yourself about

hazards, rules, procedures and contact advisers. Consult the relevant Material Safety Data Sheet (MSDS)

Use Personal protective equipment

Standard: PSI: AW-96-08-09e

PSI Intranet: Chemical Safety at PSI

Drinking and eating is strictly prohibited in labs

Technical experts for: Chemicals and toxicology: Louis Tiefenauer 2514

Disposal of chemicals: Alwin Frei 4302

Keep yourself informed about technical facilities and actions in case of emergency

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Important: Magnetic stray fields might be dangerous. Please make use of warning signs and lamps.

Caution! Avoid the approach to stray fields of a magnet if you wear a pace maker.

Magnetic Fields

Credit cards may be damaged!

Do not bring magnetizable items close to magnetic devices!

Attention

Technical expert: Sabine Mayer 2338

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Important: Wear protective glasses and gloves

Avoid direct contact of liquid gases with your skin

During filling of Dewars please pay attention to your surrounding

Use liquid gases in well ventilated rooms only

Technical expert: Christian Geiselhart4531

Cryogenics and Liquid Gases

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QuestionWhat emergency phone number you must call at PSI in

case of accidents, fire or injured people?

66669999007

3333

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This is not the right number!

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The emergency phone number you must call at PSI in case of accidents,

fire or injured people is 3333 !

This is correct !

• Who reports? Provide name and phone number • What happened? What kind of accident

Have people been injured? • Where did it happen? Facility / building• When did it happen? Time of accident

Provide the following information:

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QuestionThis warning sign means:

Caution: RadiationCaution: Magnetic fieldsCaution: Biological risk

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This answer is not correct !

Radiation hazards are indicated by this sign

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This answer is not correct !

Biological risks are indicated by this sign

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This is correct !

Caution for people wearing a pace maker!

Credit cards may be damaged!

Do not bring magnetizable items close to magnetic devices!Attention

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Radiation Safety

Important: During your stay at PSI you might be exposed to ionizing radiation.

These places are located within controlled areas that are explicitly labeled.

Within the controlled areas special guidelines must be complied with by everybody, in particular, those displayed at the entrances to zones must be followed.

Standards: PSI: AW-23-96-13

Radiation protection expert: Albert Fuchs 4487

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Designation of Controlled Areas

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Designation of Controlled Areas

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You must wear your Personal Dosimeter

within Controlled Areas

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Types of dosimeters at PSI

Must be worn visibly !

In Controlled Areas

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No Eating

No Drinking

No Smoking

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Treatment of wasteGenerally:•Minimize the production of waste as much as possible

•Separate waste into NON-ACTIVENON-ACTIVE / ACTIVEACTIVE

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QuestionGuidelines for controlled areas do hold for:

Persons not occupationally exposed to radiation

Visitors

Everybody

Cleaning staff

Persons occupationally exposed to radiation

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This answer is not correct !

Please study this chapter again !

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This is correct !

All people must were dosimeter and comply to the guidelines!

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In case of questions please contact the staff from the PSI Division for radiation safety and

security (ASI). Contact numbers are displayed at the controlled areas.

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Please bring only the really necessary items into the controlled area.

Danger of contamination or activation

Tools and other materials

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Before removing tools or other items from the controlled area call a staff member from the Operational Radiation Protection Section (Betriebsstrahlenschutz) for the

mandatory control measurement

Tools and other materials

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Leaving a controlled area

When leaving a controlled area you must make use of the monitors to check for potential contamination.

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QuestionWhat is needed before taking out items from a controlled area?

You call a staff member from the Operational Radiation Protection Section (Betriebsstrahlenschutz) to carry out the control measurement.

If no activation or contamination is expected you are free to remove the material without further check.

You carry out the control measurement by yourself and take the items along.

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This answer is not correct !

Please study this chapter again !

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This is correct !

Please call a staff member from the Operational Radiation Protection Section (Betriebsstrahlenschutz) to carry out the control measurement.

These persons are also available if you need any further assistance concerning radiation protection at PSI.

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You need access to the following facilities:

SLS

SINQ

Experimental Hall

No access needed

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Generally no controlled area, except …

SLS

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… within the LINAC, Booster Storage Ring and within the experimental areas classified as controlled areas.

For a safe access please contact the beamline scientists or your local contact!

SLS

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LINAC, Booster Storage Ring

Mode Access Beam

Frei Door can be opened without key Not possible

ÜberwachtDoor can only be opened with key and notification of the accelerator control room

Not possible

Gesperrt No access possible Possible

AlarmAll respective doors will be unlocked automatically Not possible

Operation modes of Personensicherheitssystem (PSYS)

SLS

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Hutches, beam optics, experimental areas

Mode Access Beam

FreiPush-button Free Main door will be unlocked. (Masterkey on Normal)

Not possible

GesperrtPush-button Lock Main door will be locked (Masterkey on Normal)

Possible

Zustand blockiert

Masterkey on LockedActual status will be kept

AlarmRespective main doors will be unlocked. Not possible

Operation modes of the Local Personensicherheitssystem (PSYS-L)

Staff from the Operational Radiation Protection Section is in charge of the Masterkey

SLS

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The normal guidelines for controlled areas do apply!

SINQ

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Personensicherheitssystem (PSYS)

PSYS controls the access of a person to the areas with potential radiation.

Before entering such an area please inform yourself about the procedures by asking your local contact.

SINQ

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Mode Access Beam

Frei Door can be opened without key Not possible

ÜberwachtDoor can only be opened with key and notification of the accelerator control room

Not possible

Gesperrt No access possible Possible

AlarmAll respective doors will be unlocked automatically Not possible

Operation modes of Personensicherheitssystem (PSYS)

SINQ

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Locally controlled access by the local Personensicherheitssystem (PSYS-L)

PSYS-L ensures that the area is permitted to access only when beam shutters are closed.

Prior to entry please ask your local contact for further information.

SINQ

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Experimental areas

Mode Access to area Beam

Shutter closed/

Frei

PSYS-L can be set “Frei” to unlock door Not possible

Shutter open/ Gesperrt

Door closed and locked Possible

Alarm (shutter closes automatically)

Respective door can be opened with the access and shutter keyNew systems: Door unlocks automatically

Not possible

New system

Old system

Operation modes of the Local Personensicherheitssystem (PSYS-L)

SINQ

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Experimental Hall (WEHA)

The normal guidelines for controlled areas do apply!

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Personensicherheitssystem (PSYS)

PSYS controls the access of a person to the areas with potential radiation.

Before entering such an area please inform yourself about the procedures by asking your local contact.

Experimental Hall (WEHA)

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Mode Access Beam

Frei Door can be opened without key Not possible

ÜberwachtDoor can only be opened with key and notification of the accelerator control room

Not possible

Gesperrt No access possible Possible

AlarmAll respective doors will be unlocked automatically Not possible

Operation modes of Personensicherheitssystem (PSYS)

Experimental Hall (WEHA)

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You have completed the introduction to safety and radiation protection at PSI.

If you have any further question your local contact will assist you.

Please completely fill in the form on the next page or the pdf (provided by the link). This signed form must be shown to the PSI staff handing out your personal dosimeter.

Other Facilities

Proof of carrying out radioprotection’s and safety’s instructions

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Personal Data:

Name: ____________________ First name: ___________________ Date of birth: __ . __ . ____My prospective stay at PSI, from: __ . __ . ____ to: __ . __ . ____My contact person at PSI: _______________________________________________

Current employer / organization:Institution: _________________________________________________________________ Address: _________________________________________________________________ Phone / Email: _____________________________________________________________

Confirmation: I hereby confirm that I personally executed this introduction course and I have read the information on the safety precautions specified in this course.

Date: __ . __ . ____ Signature: _______________________________________

Please fill out, print, and sign this form. Send the signed form to: dosimetry@psi.ch and sicherheit@psi.ch or to PAUL SCHERRER INSTITUT, Sektion Sicherheit, CH-5232 Villigen PSI.

Please fill out this form completely!

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Wir schaffen Wissen – heute für morgen

Thank you for attending the Introductory Course onRadiation and Occupational Safety at PSI

We whish you a successful and safe stay at PSI!