Senior Thesis Presentation
Bucks County Justice Center
Doylestown, PA
Joshua Lange
Lighting/Electrical
Thesis Adviser: Dr. Richard Mistrick
Electrical Adviser: Gary Golaszewski
4/15/2015
1
Introduction
Presentation Overview
Location/Site
Building Overview
Project Introduction
Lighting Depth
Electrical Depth
Mechanical Breadth
Acoustical Breadth/MAE Depth
Lighting Depth
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
2
Introduction
Presentation Overview
Location/Site
Building Overview
Lighting Depth
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Bucks County Justice Center
Doylestown, PA
Conclusion
3
Introduction
Presentation Overview
Existing Administration
Building
1
1.
2
Location/Site
Building Overview
Lighting Depth
Electrical Depth
3
Mechanical Breadth
Acoustical Breadth and MAE Depth
2.
3.
Conclusion
4
Introduction
Presentation Overview
Existing Administration
Building
1
1.
Building Statistics
2
Location/Site
Size: 273,000 GSF
Building Overview
Lighting Depth
Levels: 7 above grade (with penthouse)
2 below grade
Electrical Depth
3
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
2.
3.
Dates of construction: July 2011-February 2015
Overall Project Cost: approximately $84 million
5
Introduction
Presentation Overview
Existing Administration
Building
1
1.
Project Team
2
Location/Site
Architect: HOK
Building Overview
MEP: H. F. Lenz
Lighting Depth
Lighting: Tigue Lighting
Electrical Depth
3
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
Telecom, Data, A/V, and Acoustics: Acentech Incorporated
2.
3.
Civil Engineering: Carroll Engineering Corporation
Structural: The Harman Group
Security and Code Consulting: Brinjac Engineers
General Contractor: Ernest Bock & Sons, Inc.
6
Introduction
Lighting Depth
Spaces
Outdoor Space: Main Plaza
Circulation Space: Main Lobby 1000
Design Criteria
Qualitative
Main Lobby
Open Office
Professional
Ceremonial Courtroom
Consistency
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
Large Workspace: Open Office 2520
Special Purpose Space: Ceremonial Courtroom 4100
Quantitative
CRI:80
CCT: 3500K
Target of 20% reduction from ASHRAE maximum LPD
7
Introduction
Lighting Depth
Main Lobby 1000
Main Lobby
Introduction/Location
Design Criteria
Final Design
Design Analysis
Open Office
Ceremonial Courtroom
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
8
Introduction
Lighting Depth
Main Lobby 1000
Main Lobby
Introduction/Location
Room Area: ~3,000 SF
Design Criteria
Final Design
Design Analysis
Ceiling Height: 28’-0”
Balcony
Open Office
Ceremonial Courtroom
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
9
Introduction
Lighting Depth
Quantitative Criteria
Qualitative Criteria
Main Lobby
Introduction/Location
Design Criteria
Location
Security Screening
Lobbies near entries (day)
Eh
(lux)
200
100
Elevation Eh
Avg:Min
3’-0”
Floor
2:1
4:1
Assist Security screening
Spacious and grand
Final Design
Design Analysis
Open Office
LPD (W/SF)
Local
Control
0.9
REQ
Automatic Daylight
Responsive Controls
for Sidelighting
REQ
Automatic Full OFF
Scheduled
Shutoff
ADD2
ADD2
Way finding
Ceremonial Courtroom
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
10
Introduction
Lighting Depth
Main Lobby
Introduction/Location
Design Criteria
Final Design
Design Analysis
Open Office
Ceremonial Courtroom
Electrical Depth
Type
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
R3
R4
W1
Description
RECESSED CIRCULAR 6 INCH
WIDE BEAM DOWNLIGHT 1500
LUMEN
RECESSED CIRCULAR 6 INCH
WIDE BEAM WALL WASH 1000
LUMEN
CCT
Life
Input
CRI
(K)
(Hours) (Watts)
Fixture Image
Type
3500 80
50,000
L70
22.4
R7
3500 80
50,000
L70
14.1
R8
WALL MOUNTED LINEAR UPLIGHT
3500 80
TWO FOOT, 2000 LUMENS
50,000
L70
22.6
R9
Description
CCT
Life
Input
CRI
(K)
(Hours) (Watts)
RECESSED CIRCULAR 8 INCH
MEDIUM BEAM DOWNLIGHT 5000 3500 80
LUMEN
RECESSED CIRCULAR 8 INCH
MEDIUM BEAM DOWNLIGHT 3000 3500 80
LUMEN
RECESSED CIRCULAR 8 INCH
WIDE BEAM DOWNLIGHT 3000 3500 80
LUMEN
50,000
L70
62
50,000
L70
42
50,000
L70
42
Fixture Image
11
Introduction
Lighting Depth
Criteria Vs. Design
Main Lobby
Illuminance
Introduction/Location
Location
Design Criteria
Final Design
Security
Screening
Lobbies near
entries (day)
Target
Design
Target
Design
Eh
(lux)
200
186
100
139
Height Eh
Avg:Min
3’-0"
3’-0"
Floor
Floor
2:1
1.7:1
4:1
3.2:1
Design Analysis
Power
Open Office
W/SF
Ceremonial Courtroom
Electrical Depth
ASHRAE
Maximum
0.9
Design
0.33
Percent
Reduction
63%
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
12
Introduction
Lighting Depth
Main Lobby
Introduction/Location
Design Criteria
Final Design
Design Analysis
Open Office
Ceremonial Courtroom
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
13
Introduction
Lighting Depth
Open Office 2520
Main Lobby
Open Office
Room Area: ~1,300 SF
Introduction/Location
Design Criteria
Ceiling Height: 9’-0”
Final Design
Half height partitions
Design Analysis
Ceremonial Courtroom
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
14
Introduction
Lighting Depth
Quantitative Criteria
Qualitative Criteria
Main Lobby
Open Office
Location
Open Office
*From Table 12.6
Introduction/Location
Design Criteria
Final Design
LPD
(W/SF)
Local
Control
Manual ON
Restricted to Partial
Automatic ON
0.98
REQ
ADD1
ADD1
Eh
(lux)
300
Elevation Eh
Avg:Min
2’-6”
1.5:1*
Openness
Promote community
Bilevel
Lighting
Control
REQ
Automatic Daylight
Responsive Controls
for Sidelighting
REQ
Automatic
Full OFF
Scheduled
Shutoff
ADD2
ADD2
Views
Design Analysis
Ceremonial Courtroom
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
15
Introduction
Lighting Depth
Main Lobby
Open Office
Introduction/Location
P1E
P2
P1
P2
P2
P1
P1
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
P2
P1
CYLINDRICAL LED
DIRECT/INDIRECT PENDANT
P1
CCT
Life
Input
CRI
Fixture Image
(K)
(Hours) (Watts)
50,000
L80
40
P1E
EMERGENCY CYLINDRICAL LED
50,000
3500 80+
DIRECT/INDIRECT PENDANT
L80
40
P2
CYLINDRICAL LED WALL WASHER
50,000
3500 80+
PENDANT
L80
20
3500 80+
P2
P2
P2
P3
P2
CYLINDRICAL LED
DIRECT/INDIRECT PENDANT
3500 80+
50,000
L80
60
P1
P2
Design Analysis
Ceremonial Courtroom
Description
P2
Design Criteria
Final Design
Type
Luminaire Type P2 is suspended 8’-0” AFF
P1
P1
P1
P1
P1
P1E
P1
P1
P1
P1
P1
P1
P1
P1
P1
P1E
All others are suspended 7’-0” AFF
P3
Conclusion
16
Introduction
Lighting Depth
Criteria Vs. Design
Main Lobby
Illuminance
Open Office
Location
Introduction/Location
Open Office
Target
Design
Eh
(lux)
300
329
Height Eh
Avg:Min
2‘-6"
2'-6"
1.5:1
2.0:1
Design Criteria
Final Design
Power
Design Analysis
W/SF
Ceremonial Courtroom
Electrical Depth
ASHRAE
Maximum
0.98
Design
0.71
Percent
Reduction
28%
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
17
Introduction
Lighting Depth
Main Lobby
Open Office
Introduction/Location
Design Criteria
Final Design
Design Analysis
Ceremonial Courtroom
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
18
Introduction
Lighting Depth
Ceremonial Courtroom 4100
Main Lobby
Open Office
Room Area: ~2,900 SF
Ceremonial Courtroom
Introduction/Location
Design Criteria
Ceiling Height: 10’-6”
Public Seating Capacity: 222
Final Design
Design Analysis
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
19
Introduction
Lighting Depth
Quantitative Criteria
Qualitative Criteria
Main Lobby
Open Office
Location
Attorneys’ Tables
Bench and Clerks
Jury Box
Witness Stand
Public Seating
Ceremonial Courtroom
Introduction/Location
Eh
(lux)
500
500
300
300
100
Dignified
Elevation Eh
Avg:Min
2’-6”
2’-6”
2’-6”
2’-6”
2’-6”
2:1
2:1
2:1
2:1
2:1
Max:Avg
Notes
2:1
Max Value
Flexibility
Design Criteria
Final Design
Location
AV Presentation Screen
Design Analysis
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
LPD
(W/SF)
Local
Control
Manual ON
Restricted to Partial
Automatic ON
1.72
REQ
ADD1
ADD1
Ev
(lux)
50
Bilevel
Lighting
Control
REQ
Automatic Daylight
Responsive Controls
for Sidelighting
REQ
Automatic
Full OFF
Scheduled
Shutoff
ADD2
ADD2
Conclusion
20
Introduction
Lighting Depth
Type
Main Lobby
R2
Design Criteria
R2
R2
R2
R11
S1E
R4
R2
R10
R1
R2
R2
R2
R4
R4
R10
R1
R11
R4
Final Design
R2
R2
Ceremonial Courtroom
Introduction/Location
R2
R1
R4
R10
R11
R2
R2
R2
R1
R4
Design Analysis
RECESSED CIRCULAR 6 INCH
NARROW BEAM DOWNLIGHT
1500 LUMEN
RECESSED CIRCULAR 6 INCH
R2 WIDE BEAM DOWNLIGHT 1000
LUMEN
RECESSED CIRCULAR 6 INCH
R4 WIDE BEAM WALL WASH 1000
LUMEN
RECESSED CIRCULAR 6 INCH
R10 WIDE BEAM DOWNLIGHT 3000
LUMEN
RECESSED CIRCULAR 6 INCH
R11 MEDIUM BEAM DOWNLIGHT
2000 LUMEN
R1
Open Office
R1
R4
R11
R2
R2
S1E
R2
R2
Description
S1E
CCT
Life
Input
CRI
Fixture Image
(K)
(Hours) (Watts)
3500 80
50,000
L70
22.4
3500 80
50,000
L70
14.1
3500 80
50,000
L70
14.1
3500 80
50,000
L70
43.6
3500 80
50,000
L70
31.5
SURFACE MOUNTED LINEAR
50,000
3500 80+
CEILING WASH
L70
63.4
Electrical Depth
R2
Mechanical Breadth
R2
R2
R2
R2
R2
R4 R4 R4 R4 R4 R4
Acoustical Breadth and MAE Depth
Conclusion
21
Introduction
Lighting Depth
Criteria Vs. Design
Main Lobby
Open Office
Ceremonial Courtroom
Introduction/Location
Design Criteria
Final Design
Design Analysis
Electrical Depth
Illuminance
Location
Target
Table 1
Attorney’s Tables
Table 2
Target
Design (Bench Upper)
Bench and Clerks
Design (Bench Lower)
Design (Clerks)
Target
Podium
Design
Target
Jury Box
Design
Target
Witness Stand
Design
Target
Public Seating
Design
Eh
(lux)
500
454
457
500
434
460
500
500
456
300
325
300
384
100
123
Avg:Min
2:1
1.1:1
1.1:1
2:1
1.9:1
1.7:1
1.2:1
2:1
1.1:1
2:1
2.0:1
2:1
1.1:1
2:1
2.1:1
Power
W/SF
ASHRAE
Maximum
1.72
Design
0.66
Percent
Reduction
62%
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
22
Introduction
Lighting Depth
Main Lobby
Open Office
Ceremonial Courtroom
Introduction/Location
Design Criteria
Final Design
Design Analysis
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
23
Introduction
Lighting Depth
Electrical Depth
Introduction
Influence of Lighting Depth
Short Circuit Study
DC Efficiency Analysis
Short Circuit Study
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
24
Introduction
Lighting Depth
Transformer Max Let Through Current
Percentage Loss Due to Conductor Impedance
Electrical Depth
Introduction
140,000
0.45
Mechanical Breadth
Acoustical Breadth and MAE Depth
Conclusion
0.41
0.40
120,000
0.37
0.35
100,000
80,000
60,000
36,738
40,000
0.32
0.30
0.26
0.25
0.20
0.20
0.15
0.19
0.11
0.10
20,818
13,879
20,000
Percentage Loss
Short Circuit Study
Short Circuit Current (Amps)
125,511
0.05
6,574
0.00
0
T1
T2
T4
T29
T31
Bus #2
Level 6
Level 5
Level 4
Level 3
Level 2
Level 1
25
Introduction
Lighting Depth
Short Circuit Current (Busway #2)
Electrical Depth
Primary
Introduction
36,957
Short Circuit Study
Conclusion
Branch circuit panels: AIC rating of 10,000 A
32,710
32,710
30,382
30,382
Devices on the primary side of the transformers:
AIC of 35,000 A or 50,000 A depending on the location
Current (Amps)
Acoustical Breadth and MAE Depth
Secondary
36,957
34,013
Mechanical Breadth
Conclusion
6,707
T5
6,707
T6
Level 6
6,376
T11
Level 4
6,608
T14
6,608
T15
Level 3
6,314
T20
6,314
T21
Level 1
26
Introduction
Lighting Depth
Combined Heat and Power (CHP) Feasibility Analysis
Data Sources
Advantages:
Thermal Demand was exported from a Trane Trace Model
Increases primary fuel efficiency
Electric demand data was derived from EIA data for similar buildings
Reduces emissions
Natural gas and electric costs came from EIA average data for Pennsylvania
Electrical Depth
Mechanical Breadth
Introduction
Analysis
Acoustical Breadth and MAE Depth
Allows “off grid” operation
Conclusion
27
Introduction
Lighting Depth
Monthly Thermal and Electric Demand and Lambda D
Thermal and Electrical Base Loads
Electrical Depth
Analysis
Acoustical Breadth and MAE Depth
Conclusion
Electric (KW)
Data Sources
4.5
800
4.0
700
3.5
600
3.0
500
2.5
400
2.0
300
1.5
200
1.0
100
0.5
0
Jan
Feb
Mar
Average Electric
Apr
May
Jun
Assumed Base
Jul
Aug
Sep
Average Thermal
Oct
Nov
Dec
0.0
Average Lambda D
Summer Average
(June, July, August)
Thermal
1.99
(MMBTU/hr)
Thermal (MMBTU/hr)
Mechanical Breadth
900
Winter Average
(December, January, February)
Electric
590
(KW)
Results
λD Annual
Spark Spread
1.34
21.98
Simple Payback
16.3 Years
28
Introduction
Lighting Depth
Speech Intelligibility of Ceremonial Courtroom 4100
Electrical Depth
Mechanical Breadth
Performed a reverberation time (RT) analysis
Acoustical Breadth and MAE Depth
Introduction
Analyzed the influence of the audio reinforcement system
Acoustical Breadth (RT Analysis)
MAE Depth (Audio Amplification System Analysis)
Conclusion
29
Introduction
Lighting Depth
Design Criteria
Results
Electrical Depth
Ceremonial Courtroom Reverberations Times
Mechanical Breadth
1.20
Reverberation Time (seconds)
Acoustical Breadth and MAE Depth
Introduction
Acoustical Breadth (RT Analysis)
MAE Depth (Audio Amplification System Analysis)
Conclusion
1.00
0.80
0.60
0.40
0.20
Target
Original
Design
EASE
0.00
125
Figure 17.10 from “Architectural Acoustics” by Marshall Long
250
500
1000
2000
4000
Frequency (Hz)
30
Introduction
Lighting Depth
Electrical Depth
Speaker (Typ.)
Mechanical Breadth
Audience 1
Acoustical Breadth and MAE Depth
Seat 2
Human Source
Introduction
Judges 2
Acoustical Breadth (RT Analysis)
MAE Depth (Audio Amplification System Analysis)
Audience 2
Judges 1
Seat 1
Conclusion
Jury
Audience 3
31
Introduction
Lighting Depth
SPL Plot Without Reinforcement
SPL Plot With Reinforcement
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Introduction
Acoustical Breadth (RT Analysis)
MAE Depth (Audio Amplification System Analysis)
Conclusion
32
Introduction
Lighting Depth
STI Plot Without Reinforcement
STI Plot With Reinforcement
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Introduction
Acoustical Breadth (RT Analysis)
MAE Depth (Audio Amplification System Analysis)
Conclusion
33
Introduction
Lighting Depth
Electrical Depth
Mechanical Breadth
Lighting Depth
Electrical Depth
Mechanical Breadth
Acoustical Breadth/MAE Depth
Acoustical Breadth and MAE Depth
Conclusion
Summary
Acknowledgements
34
Introduction
Lighting Depth
Acknowledgements
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Mr. Gerald Anderson
Mr. Scott Mack and the team at H.F. Lenz
Conclusion
Summary
Acknowledgements
Dr. Richard Mistrick
Mr. Gary Golaszewski
Dr. Michelle Vigeant
Dr. James Freihaut
35
Introduction
Lighting Depth
Senior Thesis Presentation
Electrical Depth
Mechanical Breadth
Acoustical Breadth and MAE Depth
Bucks County Justice Center
Doylestown, PA
Conclusion
Joshua Lange
Lighting/Electrical
Thesis Adviser: Dr. Richard Mistrick
Electrical Adviser: Gary Golaszewski
4/15/2015
36
Main Lobby 1000
Type
Description
Manufacturer
Model
R3
RECESSED CIRCULAR 6 INCH
WIDE BEAM DOWNLIGHT 1500
LUMEN
COOPER
LIGHTING
LD6A15DL3 ERW6A15835 6LW1LI
R4
RECESSED CIRCULAR 6 INCH
WIDE BEAM WALL WASH 1000
LUMEN
COOPER
LIGHTING
R7
RECESSED CIRCULAR 8 INCH
MEDIUM BEAM DOWNLIGHT 5000
LUMEN
COOPER
LIGHTING
R8
RECESSED CIRCULAR 8 INCH
MEDIUM BEAM DOWNLIGHT 3000
LUMEN
COOPER
LIGHTING
R9
RECESSED CIRCULAR 8 INCH
WIDE BEAM DOWNLIGHT 3000
LUMEN
COOPER
LIGHTING
LD8A302DL3 ER8A30835 8LW0LI
W1
WALL MOUNTED LINEAR UPLIGHT
TWO FOOT, 2000 LUMENS
COOPER
LIGHTING
A02-SI-A-2-LED-35K-277-S-AK12-D
Lamp
CCT
Life
CRI
(K)
(Hours)
Ballast
Input
Voltage
(Watts)
INTEGRAL 3500 80
50,000
INTEGRAL
L70
22.4
277
LD6A10DL3 ERM6A10835 6LM111LI INTEGRAL 3500 80
50,000
INTEGRAL
L70
14.1
277
INTEGRAL 3500 80
50,000
INTEGRAL
L70
62
277
LD8A302DL3 ER8A30835 8LW110LI INTEGRAL 3500 80
50,000
INTEGRAL
L70
42
277
INTEGRAL 3500 80
50,000
INTEGRAL
L70
42
277
INTEGRAL 3500 80
50,000
INTEGRAL
L70
22.6
277
LD8A502DL3 ER8A50835 8LMOLI
Fixture Image
37
Open Office 2520
Type
Description
Manufacturer
Model
Lamp
CCT
(K)
CRI
Life
(Hours)
Ballast
Input
(Watts)
Voltage
P1
CYLINDRICAL LED
DIRECT/INDIRECT PENDANT
PEERLESS
RD4M4 W20/20 8FT R8 277 EZB
SCT LP835 F1/24 C110
INTEGRAL
3500
80+
50,000
L80
INTEGRAL
40
277
P1E
EMERGENCY CYLINDRICAL LED
DIRECT/INDIRECT PENDANT
PEERLESS
RD4M4 W20/20 8FT R8 277 EZB 1
EC SCT LP835 F1/24 C110
INTEGRAL
3500
80+
50,000
L80
INTEGRAL
40
277
P2
CYLINDRICAL LED WALL WASHER
PENDANT
PEERLESS
RD4MW W20 40FT R8 277 EZB SCT
INTEGRAL
LP835 F1/24 C110
3500
80+
50,000
L80
INTEGRAL
20
277
P3
CYLINDRICAL LED
DIRECT/INDIRECT PENDANT
PEERLESS
3500
80+
50,000
L80
INTEGRAL
60
277
RD4M4 W20/40 4FT R4 277 EZB
SCT LP835 F1/24 C110
INTEGRAL
Fixture Image
38
Ceremonial Courtroom 4100
Type
Description
Manufacturer
Model
R1
RECESSED CIRCULAR 6
INCH NARROW BEAM
DOWNLIGHT 1500 LUMEN
COOPER
LIGHTING
LD6A15DL3
ERN6A10835 6LN1LI
R2
RECESSED CIRCULAR 6
INCH WIDE BEAM
DOWNLIGHT 1000 LUMEN
R4
RECESSED CIRCULAR 6
INCH WIDE BEAM WALL
WASH 1000 LUMEN
COOPER
LIGHTING
R10
RECESSED CIRCULAR 6
INCH WIDE BEAM
DOWNLIGHT 3000 LUMEN
R11
S1E
COOPER
LIGHTING
Lamp
CCT
Life
CRI
(K)
(Hours)
INTEGRAL 3500 80
LD6A10DL3
INTEGRAL 3500 80
ERW6A10835 6LW1LI
LD6A10DL3
ERM6A10835
6LM111LI
Ballast
50,000
INTEGRAL
L70
50,000
INTEGRAL
L70
Input
Voltage
(Watts)
22.4
Fixture Image
277
Space
14.1
277
INTEGRAL 3500 80
50,000
INTEGRAL
L70
14.1
277
COOPER
LIGHTING
LD6A30DL3
INTEGRAL 3500 80
ERW6A30835 6LW1LI
50,000
INTEGRAL
L70
43.6
277
RECESSED CIRCULAR 6
INCH MEDIUM BEAM
DOWNLIGHT 2000 LUMEN
COOPER
LIGHTING
LD6A20DL3
INTEGRAL 3500 80
ERN6A20835 6LM1LI
50,000
INTEGRAL
L70
31.5
277
SURFACE MOUNTED
LINEAR CEILING WASH
IO LIGHITNG
0 -08-35KV2HO-1-72-L INTEGRAL 3500 80+
50,000
INTEGRAL
L70
63.4
277
Fixture Quantity
Ceremonial Courtroom 4100
R1
R2
R4
R10
R11
S1
5
24
13
3
4
16
Watts per Total Room LPD
Allowed Allowed
Space Type
fixture
watts Area (W/SF)
LPD
Watts
1905 2900 0.66
Courtroom
1.72
4988
22.4
112
14.1
338.4
14.1
183.3
43.6
130.8
31.5
126
63.4
1014
39
Short Circuit Study
Designation
KVA
Primary
Voltage
Secondary
Voltage
Phase
T1
T2
T4
T29
T31
2000
30
45
15
75
34,500
480
480
480
480
480Y/277
208Y/120
208Y/120
208Y/120
208Y/120
3
3
3
3
3
𝐼𝐹𝐿𝐴 =
𝑘𝑉𝐴 1000
𝑉𝐿𝐿
3
𝐼𝑆𝐶 = 𝐼𝐹𝐿𝐴
100
%𝑍
Type %Z*
Dry
Dry
Dry
Dry
Dry
5.75
1.8
1.8
1.9
1.7
Mounting
Floor
Hung
Hung
Hung
Hung
𝐼𝑆𝐶 𝑆𝑒𝑐𝑜𝑛𝑑𝑎𝑟𝑦 =
I FLA
ISC
7,217 125,511
250 13,879
375 20,818
125
6,574
625 36,738
𝑉𝑝𝑟𝑖𝑚𝑎𝑟𝑦
𝑀 𝐼𝑆𝐶 𝑃𝑟𝑖𝑚𝑎𝑟𝑦
𝑉𝑠𝑒𝑐𝑜𝑛𝑑𝑎𝑟𝑦
Location
Bus #2 Feed
Level 6
Level 5
Level 4
Level 3
Level 2
Level 1
Conductor Type
3 Sets 300 KCMIL
800A Bus
800A Bus
800A Bus
800A Bus
800A Bus
800A Bus
Length Table 5
(Feet)
C
30
16
32
48
64
80
96
18177
49300
49300
49300
49300
49300
49300
3∅ 𝑓𝑎𝑢𝑙𝑡𝑠: 𝑓 =
I3∅
125,511
100,476
100,476
100,476
100,476
100,476
100,476
3 𝐿 𝐼3∅
𝐶 𝑛 𝑉𝐿𝐿
Conductors
f
per phase VLL 3∅
(n)
Faults
3
1
1
1
1
1
1
480
480
480
480
480
480
480
𝑀=
0.25
0.12
0.24
0.35
0.47
0.59
0.71
M
0.80
0.89
0.81
0.74
0.68
0.63
0.59
ISC
Notes
Approximate length of conductor
100,476 from main panel to bus
89,898
81,335
74,262 Length of bus to electrical room
68,320 based on floor to floor height
63,259
58,896
1
1+𝑓
40