Part 6A - Drawings 657-20-109JB Building 23 and 25 HVAC.pdf
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LEGEND
F
CONTROL AND INDICATION
AIR HUMIDITY TO DCP FOR
SENSES AND TRANSMITS
G FILTER CONDITION INDICATORPRESSURE GAUGE
DUCT SMOKE DETECTORS
(FURNISHED AND WIRED TO
FIRE ALARM PANEL BY ELECTRICAL)
MONITOR RETURN AIR FOR PRODUCTS
OF COMBUSTION AND DE-ENERGIZES
SUPPLY FAN AND RETURN AIR FANSD
ECC ENGINEERING CONTROL CENTER
LOCATED IN BUILDING 25
FOR MONITORING OF
SYSTEM OPERATIONS.
DCP DISTRIBUTED CONTROL PANEL
CONTROLS OPERATION OF AIR
WITH THE SEQUENCE OF OPERATION.
HANDLING UNIT IN ACCORDANCE
DIFFERENTIAL PRESSURE SENSOR
TRANSMITS DIFFERENTIAL PRESSURE
CONDITIONS AND STATUS OF FANS.
TO DCP TO INDICATE FILTER P
SUPPLY AIR TEMPERATURE
SENSOR
SENSES AND TRANSMITS SUPPLY
AIR DRY BULB TEMPERATURE TO
DCP FOR CONTROL AND INDICATION.
T-2
COIL IN RESPONSE TO DCP.
V-1 CHILLED WATER TO COOLING
PROPORTIONS FLOW OFCHILLED WATER CONTROL VALVE
TYPE
TWO WAY MODULATING
REHEAT CONTROL VALVEV-3
SENSES AND TRANSMITS
VELOCITY PRESSURE TO DCP.
RETURN FANS MOTOR SPEED
IN RESPONSE TO DCP.
CONTROLS SUPPLY AND
CONTROLLER WITH MOTOR
VARIABLE SPEED MOTOR
STARTER
VPS
VSMC
VELOCITY PRESSURE SENSOR
MC MOTOR STARTER ENERGIZES MOTOR
H-2 ROOM HUMIDITY SENSOR
T-1
C O
IL
C
O O
LI
N
G C
H R
A
V-1
C H
P
VSMC
B
T-2
P
AF
TE
R
FI
LT
ER
SUPPLY
FAN
1 2 3 4 5 6
A B
INPUT
DCP
OUTPUT
(DDC)
CONTROL SCHEMATIC - COOLING ONLY - FAN COILS (FC-1,2,3,4,5,6)
VPS
PIEZO RING
FAN VOLUME
NO SCALE
2-WAY
VALVE
RETURN AIR
PROPORTIONS FLOW OF
STEAM TO PREHEAT COIL
IN RESPONSE TO DCP.
T-1
C O
IL
C
O O
LI
N
G C
H R
A
V-1
C H
P
VSMC
C
T-2
P
FI
LT
ER
SUPPLY
FAN
1 2 3 4 5 6
A B C
INPUT
DCP
OUTPUT
(DDC)
CONTROL SCHEMATIC - HEATING/COOLING - FAN COILS (FC-7,8)
VPS
PIEZO RING
FAN VOLUME
NO SCALE
2-WAY
VALVE
RETURN AIR
B
M
PS
V-3
R
EH
EA
T
C O
IL
VOLUME FANCOIL UNITS:
CONSTANT AIR
FANCOIL
SUPPLY FAN
SUPPLY AIR
REHEAT COIL - STEAM (UNITS WITH HEAT)
COOLING COIL - CHILLED WATER
FILTERS
HUMIDITY SENSORS
M
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G
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D
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LOCATION:SERVICE:
DESCRIPTION
VETERANS
AFFAIRS
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PR
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SU
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MEDICAL
CENTER
BUILDING 23
INTERIOR
NOTES: 1. SIGNAL VIA UNIT-MOUNTED PITOT TUBE. SEE DETAIL.
2. SEE PLANS FOR T'STAT AND TERMINAL UNIT LOCATIONS.
3. EXISTING FLOOR PLAN GRAPHICS AND ASSOCIATED
EQUIPMENT RELATIONSHIPS SHALL BE UPDATED TO
REFLECT AS BUILT CONDITIONS.
SYSTEM POINT
EX
HA
US
T
DA
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PO
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T W
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P.
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NG
(SEE NOTE 3)
T-1 RETURN AIR TEMPERATURE
SENSOR
T-3 ROOM TEMPERATURE SENSOR
SENSES AND TRANSMITS SUPPLY
AIR DRY BULB TEMPERATURE TO
DCP FOR CONTROL AND INDICATION.
SENSES AND TRANSMITS SUPPLY
AIR DRY BULB TEMPERATURE TO
DCP FOR CONTROL AND INDICATION.
T-3
H-1
T-3
H-1
MECHANICAL CONTROLS,
BUILDING 25
CONSULTANTS: ARCHITECT/ENGINEERS:
Revisions: Date:
Drawing Title
VA Health Care System Approval:
Project Title
Location
Date Checked Drawn
Project Number
Building Number
Drawing Number
Drawing # of
Veterans Health
Administration
FCA - REPLACE MECHANICAL
EQUIPMENT IN BUILDINGS 23 & 25
657-20-109JB
www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393
Mechanical, Electrical, and Energy Engineering
DESIGN-AIRE ENGINEERING, INC. JEFFERSON BARRACKS
1 JEFFERSON BARRACKS DRIVE - ST. LOUIS, MO 63125
07-09-2021 DEH MV
ARCHITURA CORPORATION
9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384
PH: (317) 348-1000
POC: Michael Conly, AIA, NCARB, President
P R O F E S S I O N A L E N G I N E E R
PE-2021014461
HANNAH
ROSE
KIGER
S
TA
TE
OF MI SSOUR
I
00-MG-005
BID DOCUMENTS
15 36
F
FSD-1 SUPPLY AIR FIRE/SMOKE DAMPER
CLOSES WHEN EF IS SHUT
OFF OR WHENEVER SMOKE
IS DETECTED BY F SD.
OUTSIDE AIR HUMIDITY SENSORH-1
CONTROL AND INDICATION
AIR HUMIDITY TO DCP FOR
SENSES AND TRANSMITS SUPPLY
G FILTER CONDITION INDICATORPRESSURE GAUGE
DUCT SMOKE DETECTORS
(FURNISHED AND WIRED TO
FIRE ALARM PANEL BY ELECTRICAL)
MONITOR RETURN AIR FOR PRODUCTS
OF COMBUSTION AND DE-ENERGIZES
SUPPLY FAN AND RETURN AIR FANSD
ECC ENGINEERING CONTROL CENTER
LOCATED IN BUILDING 25
FOR MONITORING OF
SYSTEM OPERATIONS.
DCP DISTRIBUTED CONTROL PANEL
CONTROLS OPERATION OF AIR
WITH THE SEQUENCE OF OPERATION.
HANDLING UNIT IN ACCORDANCE
DIFFERENTIAL PRESSURE SENSOR
TRANSMITS DIFFERENTIAL PRESSURE
CONDITIONS AND STATUS OF FANS.
TO DCP TO INDICATE FILTER
AFMS AIR FLOW MEASURING DEVICE
MONITORS AIR FLOW RATE
FOR TRANSMITTAL TO DCP.
PROVIDES VELOCITY PRESSURE
STATIC PRESSURE SENSORS
(SEE FLOOR PLANS FOR
LOCATION)
SPS-
2,3,4
P
SENSOR
HIGH LIMIT STATIC PRESSURE SENSES AND TRANSMITS DUCT
STATIC PRESSURE NEAR AHU TOSPS-1
SUPPLY AIR TEMPERATURE
SENSOR
SENSES AND TRANSMITS SUPPLY
AIR DRY BULB TEMPERATURE TO
DCP FOR CONTROL AND INDICATION.
SENSOR
SENSES AND TRANSMITS OUTSIDE
AIR DRY BULB TEMPERATURE TO
DCP FOR CONTROL AND INDICATION.
T-5
T-1
AIR TEMPERATURE SENSOR
LEAVING PREHEAT STEAM COIL AIR
DCP FOR CONTROL AND INDICATION.
AIR DRY BULB TEMPERATURE TO
SENSES AND TRANSMITS PREHEAT
T-2
T-3
V-2
OUTSIDE AIR TEMPERATURE
SENSOR
AIR TEMPERATURE
LEAVING COOLING COIL
DCP FOR INDICATION ONLY.
COIL DRY BULB TEMPERATURE TO
SENSES AND TRANSMITS COOLING
COIL IN RESPONSE TO DCP.
V-1 CHILLED WATER TO COOLING
PROPORTIONS FLOW OFCHILLED WATER CONTROL VALVE
TYPE
TWO WAY MODULATING
STEAM CONTROL VALVE
MODULATING TWO WAY
PROPORTIONS FLOW OF
STEAM TO PREHEAT COIL
IN RESPONSE TO DCP.
REHEAT CONTROL VALVEV-3
SENSES AND TRANSMITS
VELOCITY PRESSURE TO DCP.
RETURN FANS MOTOR SPEED
IN RESPONSE TO DCP.
CONTROLS SUPPLY AND
CONTROLLER WITH MOTOR
VARIABLE SPEED MOTOR
STARTER
VPS
VSMC
VELOCITY PRESSURE SENSOR
OUTSIDE AIR DAMPER (MODULATING)D-1
MODULATING DAMPER FOR
PREHEAT COILD-2
MC MOTOR STARTER ENERGIZES MOTOR
F-1 FREEZE STAT
T-4
SENSOR
AIR TEMPERATURE
LEAVING HEATING COIL
DCP FOR INDICATION ONLY.
COIL DRY BULB TEMPERATURE TO
SENSES AND TRANSMITS HEATING
AFMS AIR FLOW METER STATION SEE SCHEDULES, SHEET MQ002
H-2 SUPPLY AIR HUMIDITY SENSOR
T- 1 5
P
C
PR
E-
FIL
TE
R
M
PS
V-2
T-2PR
EH
EA
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ST
EA
M C
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C O
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H R
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V-1
C H
T-4
P
VSMC
F
T-5
P
AF
TE
R
FI
LT
ER
SPS-1 F
J
M 19
SPS-4
SUPPLY
FAN
LOCATE OUTSIDE
UNDER SHIELD 1 2 3 4 5 6 7 8 9 10 11 12 13 14
A B C D E F G
INPUT
DCP
OUTPUT
(DDC)
CONTROL SCHEMATIC RTU-1
VPS
AF
M
S
M
A
VPS
H
D-1
SD
PIEZO RING
FAN VOLUME
NO SCALE
M
B
D-2
2-WAY
VALVE
OUTSIDE AIR
F1
E
M
PS
V-3
R
EH
EA
T
C O
IL
T-3
LOCATE ON
EXTERIOR OF
BUILDING.
COORDINATE
WITH COR.
T-7
AIR TEMPERATURE SENSOR
DUCT SENSES AND TRANSMITS
DRY BULB TEMPERATURE TO
DCP FOR CONTROL AND INDICATION.
CONTROL AND INDICATION
AIR HUMIDITY TO DCP FOR
SENSES AND TRANSMITS RETURN
H-1
PROPORTIONS FLOW OF
STEAM TO PREHEAT COIL
IN RESPONSE TO DCP.
T-8
AIR TEMPERATURE SENSOR
DUCT SENSES AND TRANSMITS
DRY BULB TEMPERATURE TO
DCP FOR CONTROL AND INDICATION.
T-6
AIR TEMPERATURE SENSOR
DUCT SENSES AND TRANSMITS
DRY BULB TEMPERATURE TO
DCP FOR CONTROL AND INDICATION.
T-8
I
M
T-7
H
M
T-6
LOCATE IN
DUCT
LOCATE IN
DUCT
LOCATE IN
DUCT
1ST FLOOR
2ND FLOOR
3RD FLOOR
D-3
D-4
D-5
I J
H-2
K
H U
M
ID
IF
IE
R
LP
SV-4
MODULATING DAMPER FOR FLOOR
CONTROL
D-3
MODULATING DAMPER FOR FLOOR
CONTROL
D-4
MODULATING DAMPER FOR FLOOR
CONTROLD-5
HUMIDIFIER STEAM CONTROL
VALVE, MODULATING TWO-WAY
V-4
PROPORTIONS FLOW OF
STEAM TO HUMIDIFIER
IN RESPONSE TO DCP.
Air Handling Unit 25-EAHU
A. General:
1. Unit is normally started and stopped by the DCP or remotely at the ECC. H-O-A switch shall be kept in the “AUTO” position. “HAND” and “OFF” shall be used only for maintenance. When unit is “OFF”, motorized dampers D-1 and FSD-1 shall be fully closed. When unit is “ON” dampers D-1 and FSD-1 shall be fully open.
2. Fan shall operate continuously.
B. Air Flow Control
1. The supply air flow shall be controlled by the DCP modulating supply fan variable speed motor controller (VSMC) to maintain the duct static pressure setpoint (set at 1.25 inches static pressure) as sensed by SPS static pressure sensor (see plans for location). Fan speed shall not be allowed to drop below 2,000 CFM output air flow per Zone Damper (damper at each floor) D-3, D-4, and D-5. Each floor is to get 2,000 CFM.
2. The DCP using high pressure sensor SPS-2 located at the supply fan discharge shall prevent the supply fan from developing over 4.0” w.g. of static pressure. If static pressure at SPS-2 exceeds 4.0” w.g. supply fan shall shut “OFF” and an alarm sent. If static pressure at SPS-2 falls below 0.35” w.g. an alarm shall be sent.
3. Outside air flow shall be measured by an air flow measuring station located in the respective ducts.
C.Filters
1. Pre filter differential pressure shall be monitored at the DCP terminal in addition to local manometer, service notice shall be displayed with differential pressure exceeds 0.65” wg., alarm shall sound if differential pressure exceeds 1.0” wg.
2. Post filter differential pressure shall be monitored at the DCP terminal in addition to local manometer, service notice shall be displayed with differential pressure exceeds 1.25” wg., alarm shall sound if differential pressure exceeds 1.5” wg.
D. Heating and Cooling
1. Steam I FB steam preheat coil 2-way control valve (no) shall be modulated in sequence with face and bypass damper to maintain average coil discharge temperature of 40f. Should coil discharge temperature fall below 35f or rise above 55f, alarm shall sound at the DCP terminal. Should discharge air temperature fall below 35f, steam valve shall open 100% and second alarm notification shall sound.
2. Chilled water-cooling coil 2-way control valve (nc) and Steam reheat coil 2-way control valve shall be modulated to maintain coil discharge temperature at its setting of neutral air at 70f and 60% rH (maximum). Supply air temperature shall be monitored at the operator's terminal. Should discharge air temperature deviate from set point by 5f or 10% rH, an alarm shall sound at the CFP terminal.
E. Humidifier
1. Supply air duct humidity sensor shall modulate 2-way steam humidifier control valve (nc) to maintain supply air humidity at 45% rh. Supply air humidity shall be monitored at the DCP and ECC. Should discharge relative humidity exceed 90% rh alarm shall be sound at the DCP and ECC, humidification shall be discontinued.
Should exhaust air humidity fall below 25% rh, alarm shall sound at the DCP and ECC.
2. Should high level condensate be detected in the drain pan, steam control valve shall close, and alarm shall sound at the DCP and ECC.
F. Freeze Protection
1. If the air temperature as sensed by T-2 falls below 40f, an alarm signal shall be indicated at the DCP and ECC.
If this temperature falls below 35f, the unit supply fan shall shut “OFF” and damper D-1 shall fully close, valve V-1, V-2, and V-3 shall fully open. A critical alarm shall be indicated at the DCP and ECC.
G. Automatic Shutdown / Restart
1. When smoke is detected by duct smoke detectors, the supply fan shall shut “OFF” and an alarm shall be transmitted to the fire alarms system. For alarm purposes only, all dampers (D-1, D-3, D-4, D-5) in the supply ducts shall close. Supply fan shall restart, and fire/smoke dampers shall open when fire alarm circuit is reset.
H. Emergency Constant Speed Operation
1. On all VSMC fans in VAV systems upon failure of the VSMC the fans shall be started/stopped manually at the CDP or the ECC through the by-pass starter. Fans shall then be operated at the constant design speed.
General Information
A. All values shall be adjustable.
B. Existing floor plan graphics and associated equipment relationships shall be updated to reflect as-built conditions.
C. Coordinate all controls, sequences, and points list with Johnson Controls, the local VA Facility vendor, the COR, and VA maintenance personnel.
P
PR
E-
FIL
TE
R
17 18 19
SPS-3
SPS-2
2-POSITION FROM DCP LOCATED
IN AHU.
SENSES AND TRANSMIT BUILDING
FLOORS STATIC PRESSURE TO DCP.
UNITS SHALL BE REMOTE
MECHANICAL CONTROLS,
BUILDING 25
CONSULTANTS: ARCHITECT/ENGINEERS:
Revisions: Date:
Drawing Title
VA Health Care System Approval:
Project Title
Location
Date Checked Drawn
Project Number
Building Number
Drawing Number
Drawing # of
Veterans Health
Administration
FCA - REPLACE MECHANICAL
EQUIPMENT IN BUILDINGS 23 & 25
657-20-109JB
www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393
Mechanical, Electrical, and Energy Engineering
DESIGN-AIRE ENGINEERING, INC. JEFFERSON BARRACKS
1 JEFFERSON BARRACKS DRIVE - ST. LOUIS, MO 63125
07-09-2021 DEH MV
ARCHITURA CORPORATION
9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384
PH: (317) 348-1000
POC: Michael Conly, AIA, NCARB, President
P R O F E S S I O N A L E N G I N E E R
PE-2021014461
HANNAH
ROSE
KIGER
S
TA
TE
OF MI SSOUR
I
00-MG-006
16 36
VOLUME SYSTEM
VARIABLE AIR
25-EAHU-1
SUPPLY FAN
SUPPLY AIR
PREHEAT COIL - STEAM
COOLING COIL - CHILLED WATER
PRE-FILTERS
AFTER FILTER
OUTSIDE AIR
HUMIDITY SENSORS
M
ED
IC
AL
G
AS
ES
LE
AK
D
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TI
ON
SM
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CT
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PU
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LOCATION:SERVICE:
DESCRIPTION
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ON
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IZ
ER
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ES
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IO
N
AI
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VO
LU
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CO
NT
RO
L
PR
ES
SU
RE
MEDICAL
CENTER
BUILDING 25
EXTERIOR
NOTES: 1. SIGNAL VIA UNIT-MOUNTED PITOT TUBE. SEE DETAIL.
2. SEE PLANS FOR T'STAT AND TERMINAL UNIT LOCATIONS.
3. EXISTING FLOOR PLAN GRAPHICS AND ASSOCIATED
EQUIPMENT RELATIONSHIPS SHALL BE UPDATED TO
REFLECT AS BUILT CONDITIONS.
SYSTEM POINT
MAKE UP AIR UNIT
DU
CT
D
AM
PE
R
PO
SI
TI
ON
RE
SE
T W
AT
ER
T
EM
P.
TR
EN
DI
NG
(SEE NOTE 3)
1ST FLOOR ZONE DAMPER
2ND FLOOR ZONE DAMPER
3RD FLOOR ZONE DAMPER
HUMIDIFIER
HU
M
ID
IF
IE
R
VA
LV
E
PO
SI
TI
ON
1ST FLOOR STATIC PRESSURE
2ND FLOOR STATIC PRESSURE
3RD FLOOR STATIC PRESSURE
MECHANICAL CONTROLS
CONSULTANTS: ARCHITECT/ENGINEERS:
Revisions: Date:
Drawing Title
VA Health Care System Approval:
Project Title
Location
Date Checked Drawn
Project Number
Building Number
Drawing Number
Drawing # of
Veterans Health
Administration
FCA - REPLACE MECHANICAL
EQUIPMENT IN BUILDINGS 23 & 25
657-20-109JB
www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393
Mechanical, Electrical, and Energy Engineering
DESIGN-AIRE ENGINEERING, INC. JEFFERSON BARRACKS
1 JEFFERSON BARRACKS DRIVE - ST. LOUIS, MO 63125
07-09-2021 DEH MV
ARCHITURA CORPORATION
9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384
PH: (317) 348-1000
POC: Michael Conly, AIA, NCARB, President
P R O F E S S I O N A L E N G I N E E R
PE-2021014461
HANNAH
ROSE
KIGER
S
TA
TE
OF MI SSOUR
I
00-MG-007
17 36
DESIGN ALTITUDE 538 FT.
AIR CONDITIONING DESIGN DATA-
%RH.
INSIDE
D.B.W.B.D.B.
OUTSIDE
SUMMER
D.B. W.B.
DESIGN
AREA OUTSIDE
D.B.
INSIDE
WINTER
%RH.
50693.04.096 75 5069LAB AREAS
OFFICE AREAS 40703.04.0507596 75
PIPING INSULATION SCHEDULE (INDOOR)
MECHANICAL SCHEDULES
BUILDING 23
CONSULTANTS: ARCHITECT/ENGINEERS:
Revisions: Date:
Drawing Title
VA Health Care System Approval:
Project Title
Location
Date Checked Drawn
Project Number
Building Number
Drawing Number
Drawing # of
Veterans Health
Administration
FCA - REPLACE MECHANICAL
EQUIPMENT IN BUILDINGS 23 & 25
657-20-109JB
www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393
Mechanical, Electrical, and Energy Engineering
DESIGN-AIRE ENGINEERING, INC. JEFFERSON BARRACKS
1 JEFFERSON BARRACKS DRIVE - ST. LOUIS, MO 63125
07-09-2021 DEH MV
ARCHITURA CORPORATION
9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384
PH: (317) 348-1000
POC: Michael Conly, AIA, NCARB, President
P R O F E S S I O N A L E N G I N E E R
PE-2021014461
HANNAH
ROSE
KIGER
S
TA
TE
OF MI SSOUR
I
23-MG-601
18 36
File details come from the government source that posted it. Updated .