1. LCLS-II CRYOPLANT CONTROLS HARDWARE FINAL DESIGN REVIEW
Antonio de Lira
Sept 13, 2017

2. LCLS-II CRYOPLANT CONTROLS HARDWARE FDR REVIEW CHARGES
3. ACCESS
Is there ample room and adequate lighting inside the cabinets for maintenance?
Are the cabinets adequately located (sufficient room around cabinets for safe maintenance)?
4. ES&H and BIO
Have all related ES&H aspects been identified, in order to be properly addressed?
Will all Cabinets be approved by NRTL?
Are appropriate hazard rating signage on panels?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

3. LCLS-II CRYOPLANT CONTROLS HARDWARE FDR REVIEW CHARGES
3. ACCESS
a. Is there ample room and adequate lighting inside the cabinets for maintenance?
b. Are the cabinets adequately located (sufficient room around cabinets for safe maintenance)?
4. ES&H and BIO
a. Have all related ES&H aspects been identified, in order to be properly addressed?
b. Will all Cabinets be approved by NRTL?
c. Are appropriate hazard rating signage on panels?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

4. WORKING INSIDE ENCLOSURES WORKING SPACE AROUND CONTROLS ENCLOSURES
3. ACCESS TOPICS
WORKING INSIDE ENCLOSURES
WORKING SPACE AROUND CONTROLS ENCLOSURES
CONTROLS ENCLOSURE LOCATION
3.a. Is there ample room and adequate lighting inside the cabinets for maintenance?
3.b. Are the cabinets adequately located (sufficient room around cabinets for safe maintenance)?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

5. 3. ACCESS WORKING INSIDE ENCLOSURES
PLC enclosures are provided with internal LED strip lighting
Ample wiring ducts are provided in control enclosures
Finger touch safe connectors
No > 50 V exposed connections inside PLC cabinets
Enough room for future expansion
No need for special tools for field wiring installation: majority of electrical connections are cage-clamp type
120 V ac service outlets will be available close to control enclosures in all areas
3.a. Is there ample room and adequate lighting inside the cabinets for maintenance?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

6. 3. ACCESS WORKING INSIDE ENCLOSURES
EQUIPMENT ID
LED STRIP LIGHTS
TOUCH-SAFE
COMPONENTS
ROOM FOR
FUTURE
EXPANSION
3.a. Is there ample room and adequate lighting inside the cabinets for maintenance?
CAGE CLAMP,
CONNECTORS
WIRE DUCTS
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

7. 3. ACCESS WORKING SPACE AROUND CONTROLS ENCLOSURES
Placement of control enclosures conform to all conditions of Article 110 of the NEC2014 for dedicated space around, above and below electrical equipment
Enclosure locations checked in the cryoplant 3D model
Dedicated plan and elevation drawings show coordinates for controls equipment installation
Covered in installation FDR
NEC 2014
3.b. Are the cabinets adequately located (sufficient room around cabinets for safe maintenance)?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

8. 3. ACCESS WORKING SPACE AROUND CONTROLS ENCLOSURES
B905-LCP-1002
Example: placement of Utility PLC enclosure and 120 V ac emergency panel
B905-4PB-1004
B905-4DP-1005
B905-2EPB-1001
NEW LOCATION
COLUMN 5C
B905-4TX-1004
3.b. Are the cabinets adequately located (sufficient room around cabinets for safe maintenance)?
FUTURE UTILITY
PLC ENCLOSURE
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

9. 3. ACCESS CONTROLS ENCLOSURE LOCATION
Plan view drawings show coordinates for controls equipment installation
All controls enclosures captured in cryoplant 3D model
DWG #
Sheet #
DWG Description
E4.1.1
Compressor room 1 enclosure location
E4.1.2
Compressor room 2 enclosure location
E4.1.3
Cold Box room enclosure location
E4.1.4
Tank Farm enclosure location
3.b. Are the cabinets adequately located (sufficient room around cabinets for safe maintenance)?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

10. 3. ACCESS CONTROLS ENCLOSURE LOCATION
Excerpt from cold box room enclosure location
3.b. Are the cabinets adequately located (sufficient room around cabinets for safe maintenance)?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

11. Yes, inside the PLC cabinets
3. ACCESS SUMMARY
Is there ample room and adequate lighting inside the cabinets for maintenance?
Yes, inside the PLC cabinets
120 V ac outlets installed close to all control enclosure
b. Are the cabinets adequately located (sufficient room around cabinets for safe maintenance)?
Yes. Controls cabinets located per Article 110 of the NEC2014
Control enclosure location checked in 3D model
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

12. LCLSII CRYOPLANT CONTROLS HARDWARE FDR REVIEW CHARGES
3. ACCESS
a. Is there ample room and adequate lighting inside the cabinets for maintenance?
b. Are the cabinets adequately located (sufficient room around cabinets for safe maintenance)?
4. ES&H and BIO
a. Have all related ES&H aspects been identified, in order to be properly addressed?
b. Will all Cabinets be approved by NRTL?
c. Are appropriate hazard rating signage on panels?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

13. 4. ES&H and BIO ES&H ASPECTS - Enclosures covered under this procurement
Aspect & Risks
Standard
Mitigation
Electrical
Shock
Arc flash
Overcurrent
Fire
NEC2014
NFPA 70E
BIO Proj
SLAC Control of Hazardous Energy (CoHE) Program
No exposed > 50 V inside PLC enclosures
All terminals are finger touch safe in PLC cabinets
No stored energy inside cabinets (no batteries, or > 10 J capacitors)
Voltage LED indicator on door of control heater enclosures (> 120 V ac)
Disconnect switches are lockable and do not allow opening the enclosure door while it is energized
All enclosures have a lockable upstream breaker
Placement of SLAC danger labels per short circuit and arc flash calculations
Fuses, circuit breakers per Article 240 of the NEC2014
Internal/Field wiring sized per ANSI/UL 508A
UL recognized components
Enclosure installation per NEC2014 requirements
Environmental
rain, humidity
dust
SLAC EEIP
NEMA 3R enclosures
IP54 filter fans for enclosures located indoors
Enclosure heater
Structural/Seismic
- Equipment integrity
SLAC ES&H Seismic Design Specification
BIO Proj , Comment #90
Free-standing, floor-mounted PLC enclosures, seismic rated for zone 4
Seismic calculations and equipment anchoring requirements predefined
Thermal
- Hot surfaces
Cooling fans to keep enclosure temperature < 50 °C
4.a. Have all related ES&H aspects been identified, in order to be properly addressed?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

14. 4. ES&H and BIO CERTIFICATION - Enclosures covered under this procurement
JLab Specification S1500
Built to print
Material list provided in JLab drawings
All UL recognized components
Enclosures to be manufactured by a UL listed panel shop
Enclosures to comply with construction requirements from ANSI/UL 508A
(Standard for Safety for Industrial Control Panels)
4.b. Will all Cabinets be approved by NRTL?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

15. 4. ES&H and BIO HAZARD LABELS
SAMPLE
SLAC will conduct a short circuit/arc flash study for the entire cryoplant construction
SLAC will issued danger labels for controls enclosures 120 V and above per NFPA 70E
(Standard for Electrical Safety in the Workplace)
Shock/Flash protection
Flash hazard category
Protection boundaries
PPE requirements
Equipment ID
Equipment sources
Load
4.c. Are appropriate hazard rating signage on panels?
SAMPLE
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

16. b. Will all Cabinets be approved by NRTL?
4. ES&H and BIO SUMMARY
Have all related ES&H aspects been identified, in order to be properly addressed?
Yes, ES&H aspects of the control enclosures have been addressed during design and specification
b. Will all Cabinets be approved by NRTL?
No. Controls enclosures will be manufactured by a UL listed panel shop and EEIP’d at SLAC
c. Are appropriate hazard rating signage on panels?
Yes. SLAC will provide the danger labels for all enclosures powered by > 120 V ac
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017

17. Questions? The End 4.b. Will all Cabinets be approved by NRTL?
LCLS-II Cryoplant Controls Hardware FDR, Sept 13, 2017