Standard Operating Procedure

LOCAL SAFETY OFFICER: Stan Cotreau
ROOM: Lyman 032 (Physics Machine Shop)
P.I.: Dr. David Norcross (Physics Dept.)

DATE: December 9, 2002

TYPE OF RESEARCH: General machine tool usage, students who are qualified utilize this shop to fabricate machined parts and sheet metal parts which are used to support their research.

PROTECTIVE CLOTHING THAT MUST BE USED FOR ALL WORK:

• Safety Glasses - must be worn at all times.
• Face Shields -
• Rubber Boots -
• Safety Goggles - Brazing and welding must be done only in the designated areas, proper eye protection must be worn by students who utilize this equipment
• Aprons -
• Gloves - Gloves are NOT to be worn during machining operations. When working with chemicals or other materials that warrant the use of protective gloves (such as work with cryogens), proper glove selection is critical. At the Safety Committee web site (http://www-safety.deas.harvard.edu) under "Safety Committee Services" can be found a listing of glove type vs. chemical. If there is any question, see Lenny Solomon.
• Steel-toed Shoes - REQUIRED BY LAW!.
• Respirators -
• Laser Safety Goggles -
• Other -

GENERAL HOUSEKEEPING RULES:

1. Any oil spilled on floor must be picked up immediately, speedi dri must be disposed of in the proper manner.
2. All machinery must be completely cleaned of chips following all machining operations and the floor around the machine must be swept, and the chips placed into the appropriate bins.
3. All cutting tools and measuring tools must be placed into their proper storage place.
4. At no time will any stock be left on the floor!! It must always be placed in the proper storage rack.

WASTE DISPOSAL RULES:

Any oil, or chemical waste must be placed in a marked and approved waste disposal container then placed in the satellite accumulation area so it can be disposed of by EH&S personnel.

FUME HOOD USE: There is no fume hood in this location

CHEMICAL STORAGE:

All chemicals are to be stored in the flammable liquids cabinets located in the rear of the shop.

SPECIAL TRAINING REQUIRED:

All students wishing to work in the Machine Shop must either take the machine shop class provided by the Physics Dept., and pass all areas of the course, or prove competency in the shop to the Machine Shop Manager.

CHEMICAL SPILL CLEAN-UP PROCEDURES:

1. Oil spills should be cleaned up with speedi-dri, which is located in the shop, then put the speedi-dri into a container for disposal by EH&S personnel.
2. Chemical spills should only be cleaned up by properly trained personnel.
3. In the event of a spill call EH&S if danger is not imminent and follow their instructions.
4. If a dangerous situation has occured pull the alarm box located outside the main door of the shop, and await emergency personnels arrival in the rear of Lyman Lab.

OTHER RELEVANT COMMENTS:

In a machine shop environment there are a few safety rules that should be mentioned:

1. Long hair must always be tied back and out of the way.
2. Loose fitting clothing poses a safety hazard, please make sure all loose fitting clothing is secure prior to using the machines.
3. Tools may not be left laying around near moving parts of the machines.
4. Do not guess as to how things are done, if you don’t know how to do something you must ask.