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SEMI International Standards
SEMI New Activity Report Form (SNARF)



Activity Number: 5000
SNARF for: Creation of an RI related to reliability requirements of interlocks and safety systems


Originating Global Technical Committee: EH&S
Originating Technical Committee Region: North America
Task Force in which work is to be carried out: S2 Interlock and Safety Control Systems Reliability Selection


1. Rationale: Customer: Designer of safety interlocks and safety systems of SEMI conductor equipment. This to help to select how select correct reliability for a safety control system or interlock system.
Rate the Estimated Effect on the Industry
4: Slight effect or effect not determinable

Rate the Estimated Technical Difficulty of the Activity
I: No Difficulty - Proven concepts and techniques exist or quick agreement anticipated

2. Scope:
a: Define the areas to be covered or addressed by this activity or document:
Provide an RI that provides an overview and guidance how to select reliability based on risk that need to be covered for the design a safety control system or interlock system

b: Expected result of activity
Revision to an existing Standard/Guideline

3. Projected Timetable for Completion:
a: General Milestones
a. Activity Start: 07/16/2010b. 1st Draft by: 10/01/2010
c. Preballot by: d. Technical Ballot by: 10/04/2010
e. Committee Approval By:04/30/2011

b: Activity Specific Milestones
a. Proof of Concept b. Acquisition of Resources:
c. Safety Checklist Completed



Safety Considerations:
The resulting document is expected to be a Safety Guideline


Intellectual Property Considerations:
a. In complying with the standard or safety guideline to be developed, there is no alternative to the use of patented technology or copyrighted item(s)
b. The body of the standard and any appendices or related information sections will include copyrighted material

Comments, Special Circumstances: Small section of the following standards may be used
- ISO-13849-1
- IEC 62061
Obtaining rights for this should not be an issue because is already spread out to a lot of other documents for promoting the above mentioned standards.

Approval: Activity approved by Committee/GCS on July 16, 2010