ESD Survey Checklist Activity - Nasa

ESD Survey Checklist Activity ___________________________
Conditions: Temp F ______ Humidity ______ Tech ________ QA _________
Bldg.________ Room _________ POC __________ Test Date ____________
Setup PC Prostat Analysis Equipment (Set Time, Temp, and Humidity)
EMI, 1KV, Static charge source, two conductors (demo HBM / MM)
1. Layout of EDPA
2. Comments / Observations / Best Practices
D-WK108-8.doc 1

Human Model Graphs.
D-WK108-8.doc 2

3. Facility Ground
3.1 Green Wire Ground O Yes / O No
3.2 Auxiliary Ground O Yes / O No
3.3 Ground Loop O Yes / O No
3.4 CFCI (Receptacle /
Bench Mount)
O Wall / O Bnch
Circuit Condition H G N
3.5 Correct Wiring O
3.6 No Ground O
3.7 Polarity Reversal T T O
3.8 Open Hot Neutral O
4. Power Quality
Test Measured Requirement Code F
EE
Line Voltage 120 VAC (RMS H-N 108~132)
4.1 V
H/N VAC
V
G/N
VAC
V
H/N
VAC
4.2 Freq HZ Frequency 60 HZ
90 - - - - 100 - - - - 110 - - - - 120 - - - - 130 - - - - 140
Neutral to Ground (RMS G-N5 % V L >108 ~Amp
Vd
100 105 * 110 115 120
I III I II I II I II II I III I II * ** III I II I III I II I II I II II I III I II I II I II I
Vd @15A % V L I III I II I II I II II I III I II * ** III I II I III I II I II I II II I III I II I II I II I @ 15A
Vd @20A % V L I III I II I II I II II I III I II * ** III I II I III I II I II I II II I III I II I II I II I @ 20A
Vd @12A % V L I III I II I II I II II I III I II * ** III I II I III I II I II I II II I III I II I II I II I @ 12A
4.4 ASCC Available Short Circuit Current
ASCC 1
Amps
ASCC 2
Trips CFCI O Yes / O No
4.5 Z Ω

6. Resistivity (Ohms per sq.)
Item/Accessory Requirement Resistivity
Wrist strap resistor Mandatory 1 meg +/- 20%
Cuff, skin, cord through to common groundable point Continuous

7. Personal Grounding
7.1 Wrist Straps
How is resistance / performance assured?
# of Wrist Straps Checked =
7.2 Shoe/Heel Strap # of heal straps in use in EDPA =
Are mobile personnel using two Foot Grounders in conjunction with wrist straps ?
# of heal straps checked =
O ohm meter
O continuous
monitor
Pass _____
Fail ______
O Yes / O No
Pass_____
Fail ______
8. EDPA
8.1 Are boundaries of the ESD controlled area clearly identified for the benefit of
visitors, non technical, logistics or other untrained personnel entering the area?
8.2 Are all ESDS items clearly identified and handled only at an ESD equipped
workstation?
8.3 What is the POC strategy for communication and protection of parts within the
controlled area?
O Yes / O No
O Yes / O No
9. Storage, Handling and Transportation
9.1 Are static dissipative bags available for the transport of ESDS parts into and out of
the EDPA
9.2 Are totes or other protective packaging materials present for the transport of ESDS
parts into and out of the EDPA?
O Yes / O No
O Yes / O No
10. Cleaners / Solvents
10.1 Is a proper ESD mat cleaner being used at regular intervals to prevent
O Yes / O No
contamination build up from body oils, flux residue, dust particles, and machine oils
and greases?
10.2 Are static generating aerosols in use at the workstation? O Yes / O No
10.3 Is the static dissipative mat clear of non-essential insulators such as coffee cups, O Yes / O No
food wrappers, regular bags, Styrofoam, plastic packaging and bottles and personal
items by at least 1 inch?
11. Work Floor Area
11.1 Is there a path to common point ground (floor mat) for technicians who are too O Yes / O No
mobile to wear a wrist strap?
11.2 Are there any equipment generating charge fields within 1 meter of the
O Yes / O No
workbench
11.3 Items found harboring charge fields within 1 meter of the workbench O Yes / O No
12. Ionizer Test
Ionizer Decay Test / file name _______________________________
D-WK108-8.doc 5

13. CDM, MM, FIM Items and Activities Measured
Item Type Model
13.1
13.2
Serial
Number
Contactor
to Gnd