8-3202600075 Attachment 7 - Project Drawings.pdf
PDF 3 MB Posted
- Attached to
- RFP 3202600075 Trinity IT Closet HVAC
- Solicitation number
- 3202600075
- Issued by
- Travis County, Austin City, Texas
About this file
This document is a set of project drawings for mechanical HVAC upgrades at the Texas Workforce Commission (TWC) Trinity Building located at 1117 Trinity Street, Austin, Texas 78701. The project involves the installation of Variable Air Volume (VAV) terminal units with associated control components across five floors of the facility to upgrade HVAC systems in IT rooms. The scope includes demolition of existing ductwork, installation of new medium and low-pressure ductwork, supply and return air diffusers, fire dampers, and integration of new VAV units into the existing Building Automation System (BAS). The drawings indicate installation of multiple VAV units per floor: Floor 1 includes 19 VAV units, Floor 2 includes 17 VAV units, Floor 3 includes 16 VAV units, Floor 4 includes 13 VAV units, and Floor 5 includes 13 VAV units, for a total of 78 VAV terminal units. The project drawings are preliminary and not intended for construction, bidding, or permit purposes as of the October 31, 2025 issue date. All ductwork from the air handling unit (AHU) to terminal units shall be medium-pressure ductwork, with low-pressure ductwork downstream of terminal units and medium-pressure return ductwork throughout.
The drawings specify that all fire dampers must have a 1.5-hour rating and be installed in strict accordance with manufacturer's instructions to maintain UL listing approval. An NEBB, TABB, or AABC certified contractor shall balance all airside and waterside systems to within +10% to -5% of quantities and flowrates shown, with a certified testing and balancing report required for engineer approval. All new thermostats shall be electronic, programmable type with time-of-day scheduling capabilities, minimum seven-day programs, four cycles per day, automatic heating/cooling changeover, and setpoint control, with WiFi capability where indicated. Each VAV terminal unit shall be controlled by a separate temperature sensor or thermostat, and the controls contractor is responsible for providing all control components, control and low-voltage wiring, and required conduit, with 120-volt power for the control system provided by the electrical contractor. The mechanical contractor must coordinate with TWC staff for required utility outages and coordinate terminal unit installation with 24 inches minimum clearance depth at controls access enclosures. The project references current Texas Workforce Commission Standard Construction Specifications and ASHRAE Guideline 36 for high-performing sequences of operation.
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Other files
| File | Type | Posted |
|---|---|---|
| 5-Attachment 4-Proposal Submission Checklist.docx | DOCX document | |
| 2-TC Construction Architect Engineer Version (1-28-2026).docx | DOCX document | |
| 13-3202600075 - Form 5 Title Page.docx | DOCX document | |
| 9-3202600075 - Form 1 Execution of Response.docx | DOCX document | |
| 4-3202600075 Attachment 3 Evaluation Scoring Matrix 2 13 26.docx | DOCX document | |
| 12-3202600075 FORM 4-Financial Questionnaire.docx | DOCX document | |
| 10-3202600075 - Form 2 - Cost Proposal.docx | DOCX document | |
| 3-3202600075 UGCs 1-26-2026.docx | DOCX document | |
| 11-3202600075 - FORM 3 PAST PROJECT PERFORMANCE SHEET.docx | DOCX document | |
| 14-New vendor 1020.pdf | ||
| 7-Attachment 6- Prevailing Wage Scale.pdf | ||
| 1-3202600075 Solicitation Final 3-4-26.docx | DOCX document | |
| 6-3202500075 Supplementary General Conditions.pdf |
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Text version
TRINITY - IT
ROOM HVAC
UPGRADES
1117 Trinity St.
Austin, TX.
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
GENERAL MECHANICAL NOTES
1. COORDINATE LOCATION OF AIR DEVICES WITH ARCHITECTURAL REFLECTED CEILING PLANS. TO ACHIEVE THE BEST COMBINATION OF
PERFORMANCE AND AESTHETICS, THE FINAL LOCATIONS OF AIR DEVICES SHALL BE DETERMINED FROM THE ARCHITECTURAL REFLECTED CEILING PLANS. NO CHANGES TO AIR DEVICE LOCATIONS SHALL BE MADE WITHOUT PRIOR APPROVAL OF THE ARCHITECT AND ENGINEER. SPRAY PAINT INTERIOR OF DUCTWORK BEHIND OR ABOVE AIR DEVICES TO 12" INSIDE DUCTWORK OPENING WITH FLAT BLACK PAINT TO OBSCURE DUCT INTERIOR. LOCATE LOUVERED RETURN GRILLE BLADES SUCH THAT VISION INTO DUCT INTERIOR IS
RESTRICTED.
2. ALL DUCT SIZES ARE INSIDE CLEAR DIMENSIONS IN INCHES.
3. BALANCING DAMPERS ARE REQUIRED AT ALL SUPPLY, RETURN, AND EXHAUST BRANCH CONNECTIONS. REMOTE DAMPER OPERATOR
FOR ALL DAMPERS LOCATED ABOVE HARD OR INACCESSIBLE CEILINGS.
4. FLEX DUCT AND ROUND CONNECTIONS TO MAIN DUCT OR BRANCH DUCTS SHALL BE MADE VIA SPIN-IN OR DOVE-TAILED CONICAL TAPS
WITH DAMPERS. ALL RECTANGULAR DUCT BRANCHES TAP TO BE MADE WITH 45 DEG SMACNA TAP FITTING.
5. ROUTE ALL SUPPLY AIR DUCT TIGHT TO STRUCTURE UNLESS OTHERWISE NOTED. MAKE TRANSITIONS FLAT ON TOP.
6. FURNISH AND INSTALL ALL MITERED ELBOWS WITH TURNING VANES. RADIUSED RECTANGULAR ELBOWS SHALL HAVE CENTER LINE
RADIUS TO WIDTH RATIO (R/W) OF 1.5 UNLESS OTHERWISE SPECIFIED. ALL ROUND ELBOWS SHALL HAVE A CENTERLINE RADIUS TO DIAMETER RATIO (R/D) OF 1.5 UNLESS SHORT RADIUS ELBOWS ARE CALLED FOR ON THE PLANS IN WHICH CASE THE R/D RATIO SHALL
BE 1.0.
7. FLEXIBLE DUCTS SHALL NOT EXCEED 5' IN LENGTH. DUCT SHALL HAVE AN INTERNAL DIMENSION EQUAL TO THE CONNECTING ROUND
DUCT DIMENSION.
8. INSULATE EXTERIOR OF ALL SUPPLY AIR DIFFUSERS.
9. FLEXIBLE COLLARS SHALL BE FURNISHED AND INSTALLED AT ALL CONNECTIONS BETWEEN VIBRATING EQUIPMENT (FANS, AIR
HANDLERS, ROOFTOP UNITS, ETC.) AND DUCTS OR CASINGS. ALSO FURNISH AND INSTALL FLEXIBLE CONNECTIONS WHERE DUCTS
CROSS BUILDING EXPANSION JOINTS.
10. LINED RETURN AIR TRANSFER BOOTS SHALL BE INSTALLED THROUGH WALLS AS REQUIRED TO PROVIDE A CONTINUOUS RETURN AIR
PATH TO THE AIR HANDLING UNITS.
11. PROVIDE FIRE DAMPERS, SMOKE DAMPERS, AND COMBINATION FIRE/SMOKE DAMPERS WHERE SHOWN ON THE PLANS AND WHERE DUCTWORK PENETRATES FLOORS, FIRE WALLS AND HVAC CHASES REQUIRING PROTECTION IF NOT OTHERWISE SHOWN. ALL FIRE DAMPERS SHALL HAVE A 1.5 HOUR RATING UNLESS NOTED OTHERWISE. ENDS OF DAMPER SHAFTS SHALL BE SCORED TO INDICATE OPEN/CLOSED POSITION. PROVIDE FSD'S WITH OPTIONAL NO-FLOW RATED DUCT SMOKE DETECTOR. INSTALL FD'S, SD'S AND FSD'S IN STRICT ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS IN ORDER TO MAINTAIN THEIR UL LISTING. PROVIDE, INSTALL AND LABEL
MINIMUM 14" X 14" DUCT ACCESS DOORS WITHIN 12" OF ALL FD, SD, AND FSD LOCATIONS.
12. AN NEBB, TABB, OR AABC CERTIFIED CONTRACTOR SHALL BALANCE ALL AIRSIDE AND WATERSIDE SYSTEMS, INCLUDING ROOM PRESSURE CASCADE DIFFERENTIAL PRESSURES, TO WITHIN +10%/-5% OF THE QUANTITIES AND FLOWRATES SHOWN ON THE DRAWINGS. FURNISH A CERTIFIED TESTING AND BALANCING REPORT TO THE ENGINEER FOR REVIEW AND APPROVAL.
13. PROVIDE AND INSTALL A LABEL ON THE CEILING GRID OR WALL DIRECTLY UNDER OR ADJACENT TO ALL CONCEALED MECHANICAL EQUIPMENT, ISOLATION VALVES, AND CONTROL DEVICES. THE LABEL SHALL CONTAIN EQUIPMENT TAG NUMBER AND POWER SOURCE (IF APPLICABLE), ISOLATION VALVE SIZE AND SYSTEM, OR CONTROL ELEMENT IDENTIFICATION NUMBER.
GENERAL MECHANICAL DEMO NOTES
1. EXISTING EQUIPMENT, DUCTWORK & PIPING LOCATIONS AND SIZES HAVE BEEN OBTAINED FROM ORIGINAL CONSTRUCTION DRAWINGS
AND FIELD INVESTIGATIONS AND ARE SCHEMATIC IN NATURE. FIELD VERIFY LOCATIONS AND SIZES.
2. ITEMS SHOWN LIGHT ARE EXISTING TO REMAIN. ITEMS SHOWN BOLD AND DASHED ARE EXISTING TO BE REMOVED.
3. DEMOLITION OF ALL DUCTWORK SHALL INCLUDE ALL SUPPORTS, HANGERS, INSULATION, THERMOSTATS, AND FIRE DAMPERS UNLESS
OTHERWISE NOTED.
4. REMOVE MECHANICAL EQUIPMENT AND RETURN TO OWNER FOR RIGHT OF FIRST REFUSAL. DELIVER ACCEPTED ITEMS TO OWNER
DESIGNATED LOCATION. ITEMS NOT KEPT BY OWNER SHALL BE STORED AND DISPOSED OF OFF SITE ACCORDING TO LOCAL
REGULATIONS.
5. THE CONTRACTOR IS RESPONSIBLE FOR THE PROTECTION OF ALL EXISTING UTILITIES AND FINISHES NOT BEING REPLACED OR
REMOVED.
GENERAL CONTROLS NOTES
1. CONTROLS CONTRACTOR TO REVIEW DRAWINGS FOR ADDITIONAL BAS INTEGRATION REQUIREMENTS INCLUDING PROVISIONS IN DDC
PANEL LOCATIONS AND POWER.
2. ALL NEW THERMOSTATS SHOWN SHALL BE ELECTRONIC, PROGRAMMABLE TYPE CAPABLE OF TIME-OF-DAY SCHEDULING WITH
MINIMUM OF 7 DAY PROGRAMS AND 4 CYCLES PER DAY, AUTOMATIC HEATING/COOLING CHANGEOVER, AND SETPOINT CONTROL.
INCLUDE WIFI CAPABILITY WHERE SHOWN ON PLANS.
3. EACH VAV TERMINAL UNIT SHALL BE CONTROLLED BY A SEPARATE TEMPERATURE SENSOR/THERMOSTAT.
4. ALL WALL MOUNTED ROOM THERMOSTATS SHALL BE LOCATED 48" A.F.F. SO LONG AS OBSTRUCTIONS ARE 20" DEEP OR LESS. ALL
OTHER CONDITIONS TO BE REVIEWED. THEY SHALL BE CENTERED ADJACENT TO LIGHT SWITCHES WHERE BOTH OCCUR IN THE SAME LOCATION. WHERE LOCATED ON COLUMN, THERMOSTAT SHALL BE CENTERED. TEMPERATURE SENSORS SHALL BE MOUNTED AT 70" A.F.F. SENSORS MOUNTED ON EXTERIOR COLUMNS SHALL BE MOUNTED ON INSULATED BASES. CONFIRM EXACT LOCATIONS OF THERMOSTATS WITH OWNER. THE MECHANICAL CONTRACTOR IS TO COORDINATE WITH THE OWNER AND PROGRAM ALL
THERMOSTATS TO OWNER'S SPECIFIC SCHEDULE (IF APPLICABLE).
MECHANICAL ABBREVIATIONS
DESCRIPTION AAB DESCRIPTION AAB
ABOVE CEILING A/C HUB DRAIN HD
ABOVE FINISHED FLOOR AFF INCHES PER HOUR IN/HR
ABOVE GRADE. GROUND AG INDIRECT DRAIN/ RECEPTOR ID
ACCESS PANEL AP INDIRECT WASTE IW
ACRYLONITRILE BUTADIENE STYTENE ABS INVERT ELEVATION IE
AIR ADMITTANCE VALVE AAV LAVATORY LAV
ARCHITECT ARCH MAN HOLE MH
AUTHORITY HAVING JURISDICTION AHJ MAXIMUM MAX
BACKFLOW PREVENTER BFP MECHANICAL MECH
BELOW FINISHED FLOOR BFF MINIMUM MIN
BELOW FLOOR B/F MIXING VALVE MV
BELOW GRADE/ GROUND BG MOP SINK MS
BELOW SLAB B/S NORMALLY CLOSED NC
BOTTOM OF PIPE BOP NORMALLY OPEN NO
BRAKE HORSEPOWER BHP NOT IN CONTRACT NIC
BRITISH THERMAL UNIT BTUH NOT TO SCALE NTS
BTUH ( THOUSANDS ) MBH EXISTING TO BE PROTECTED IN PLACE (P)
CAST IRON CI POLYETHYLENE PE
CELCIUS C POLYETHYLENE CROSS-LINKED PEX
CHILLED WATER RETURN CHWR POLYVINYL CHLORIDE PVC
CHILLED WATER SUPPLY CHWS POLYVYLIDENE FLOURIDE/ DIOFLOURIDE PVDF
CHLORINATED POLYVINYL CHLORIDE CPVC POUND LB
CLEANOUT CO POUNDS PER SQUARE INCH PSI
CLEANOUT, FLOOR FCO POUNDS PER SQUARE INCH ABSOLUTE PSIA
CLEANOUT, GRADE GCO POUNDS PER SQUARE INCH GAUGE PSIG
CLEANOUT, GRADE TWO-WAY DGCO PRESSURE DROP PD
CLEANOUT, WALL WCO PRESSURE REDUCING VALVE PRV
CLEANOUT, YARD YCO PUMP, BOOSTER BP
CLEANOUT, YARD TWO-WAY DYCO PUMP, CHILLED WATER CHWP
CONDENSER RETURN CWR PUMP, CIRCULATION CP
CONDENSER SUPPLY CWS PUMP, HOT WATER HWP
COPPER CU REDUCED PRESSURE ZONE RPZ
CUBIC FEET CF EXISTING TO BE RELOCATED (R)
CUBIC FEET PER HOUR CFH REVOLUTION PER MINUTE RPM
CUBIC FEET PER MINUTE CFM SCHEDULE SCH
EXISTING TO BE DEMOLISHED/ REMOVED (D) SHOWER SH
DEGREE D SINK SK
DIAMETER DIA SQUARE FEET SF
DRAIN, AREA AD STRUCTURAL STRUC
DRAIN, FLOOR FD TEMPERATURE TEMP
DRAIN, ROOF PRIMARY RD TEMPERATURE, ENTERING WATER EWT
DRAIN, ROOF SECONDARY SRD TEMPERATURE, LEAVING WATER LWT
ELECTRICAL ELEC THERMOSTATIC MIXING VALVE TMV
ELEVATION ELEV TOP OF PIPE TOP
EXISTING EXIST, (E) TRAP PRIMER TP
FAHRENHEIT F TYPICAL TYP
FAT, OIL, AND GAS FOG ULTRAVIOLET UV
FOOT/ FEET FT UNDERGROUND UG
FEET PER MINUTE FPM UNIT, AIR HANDLING AHU
FEET PER SECOND FPS UNIT, FAN COIL FC
FIXTURE UNIT FU UNLESS NOTED OTHERWISE UNO
FLEXIBLE FLEX UP/ DOWN UP/DN
FLOOR FLR VACUUM BREAKER VB
FLOOR DRAIN FD VALVE FLOW COEFFICIENT CV
FLOOR SINK FS VENT THRU ROOF VTR
FUTURE (F) WATER GAUGE WG
GALLON GAL WATER CLOSET WC
GALLONS PER HOUR GPH WATER HAMMER ARRESTOR WHA
GALLONS PER MINUTE GPM WATER, OIL, AND GAS WOG
HEAD IN FEET FTHD
HEAD IN INCHES WATER COLUMN INWC ELECTRICAL
HEATING HOT WATER RETURN HWR VOLTAGE V, VOLT
HEATING HOT WATER SUPPLY HWS WATTAGE W, WATT
HEATING, VENTILATION, AIR CONDITIONING HVAC KILOWATT KW
HORSEPOWER HP PHASE PH
HOUR HR AMPERE A, AMP
CODE AND REGULATORIES ABBREVIATIONS
DESCRIPTION AAB DESCRIPTION AAB
AMERICAN NATIONAL STANDARDS ANSI INTERNATIONAL ENERGY CONSERVATION CODE IECC
AMERICAN SOCIETY OF CIVIL ENGINEERS ASCE INTERNATIONAL FIRE CODE IFC
AMERICAN SOCIETY OF HEATING, REFRIGERATING
AND
AIR-CONDITIONING ENGINEERS
ASHRAE INTERNATIONAL FUEL GAS CODE IFGC
AMERICAN SOCIETY OF MECHANICAL ENGINEERS ASME INTERNATIONAL MECHANICAL CODE IMC
AMERICAN SOCIETY OF PLUMBING ENIGNEERS ASPE INTERNATIONAL PLUMBING CODE IPC
AMERICAN SOCIETY OF SANITARY ENGINEERING ASSE INTERNATIONAL RESIDENTIAL CODE IRC
AMERICAN SOCIETY OF TESTING AND MATERIALS ASTM NATIONAL ELECTRICAL CODE NEC
AMERICAN WATER WORKS ASSOCIATION AWWA NATIONAL FIRE PROTECTION ASSOCIATION NFPA
CAST IRON SOIL PIPE INSTITUTE CISPI UNIFORM BUILDING CODE UBC
FACTORY MUTAL FM UNIFORM FIRE CODE UFC
INSTITUTE OF ELECTRICAL AND ELECTRONICS
ENGINEERS IEEE UNIFORM PLUMBING CODE UPC
INTERNATIONAL ASSOCIATION OF PLUMBING AND
MECHANICAL OFFICIALS IAPMO UNDERWRITERS LABORATORIES UL
INTERNATIONAL BUILDING CODE IBC
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MECHANICAL GENERAL NOTES
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CONFIDENCE AND SHALL NOT BE MADE AVAILABLE,
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EXCEPT AS MAY BE OTHERWISE PROVIDED BY CONTRACT,
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THESE DRAWINGS AND SPECIFICATIONS ARE PROPERTY
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OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
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REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
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INTENDED PURPOSE, OR AS BASIS FOR MANUFACTURE
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OR SALE OF APARATUS WITHOUT WRITTEN PERMISSION.
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CONFIDENTIAL AND PROPRIETARY
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SHEET NUMBER:
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SHEET NAME:
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PROJECT NUMBER:
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ISSUE DATE:
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REVISIONS:
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SEAL(S) / CONSULTANT:
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CLIENT / PROJECT NAME:
AutoCAD SHX Text 21-1062.00
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OCTOBER 31, 2025
MECHANICAL TWO-LINE DIAGRAM
SHORT ROUND ELBOW (45° & 90°)
RECTANGULAR ELBOW (45° & 90°)
LONG ROUND ELBOW (45° & 90°)
RECTANGULAR/ROUND RETURN DUCT UP
RECTANGULAR/ROUND RETURN DUCT DOWN
RECTANGULAR/ROUND SUPPLY DUCT UP
RECTANGULAR/ROUND SUPPLY DUCT DOWN
CONCENTRIC REDUCER, DUCT TRANSITION
DUCT TRANSITION (SQUARE TO ROUND)
DUCT CAP
SOUND ATTENUATOR
90° RECTANGULAR TURNING VANE
TRANSFER DUCT w/ INTERNAL LINING
(ROUND TO ROUND, SQUARE TO SQUARE)
ECCENTRIC REDUCER, DUCT TRANSITION
(ROUND TO ROUND, SQUARE TO SQUARE)
FITTING)
SIDEWALL REGISTER TAP
BRANCH DUCT TAP (w/ SMACNA 45°
SPIN-IN DUCT TAP
CONICAL DUCT TAP
INTERNAL DUCT LINING
IN DIRECTION OF AIRFLOW
CHANGE OF ELEVATION (RISE OR DROP)
D
R
DIRECTION OF FLOW
SHOWN (DIMENSIONS ARE INSIDE CLEAR)
DUCT SIZE, FIRST FIGURE IS SIDE
FLEXIBLE DUCT DIFFUSER DROP
CENTERLINE RADIUS = 1.5 * WIDTH
CENTERLINE RADIUS = 1.0 * WIDTH
X
30x12
DAMPERS
EQUIPMENT TAG
DIFFUSER TAG
MECHANICAL TAGS
EXISTING TO REMAIN (E)
NEW WORK
LINETYPE LEGEND
DEMOLITION (D)
SLOT DIFFUSER
GRILLES, REGISTERS, & DIFFUSERS
DUCTED EXHAUST/RETURN REGISTER, CEILING
RETURN GRILLE TO CEILING PLENUM
SUPPLY DIFFUSER, CEILING
EXHAUST/RETURN GRILLE OR REGISTER,
SIDEWALL
SUPPLY GRILLE OR REGISTER, SIDEWALL
HEPA FILTERS
SUPPLY DIFFUSER, CEILING, THERMAFUSER
VD
VD
X 500 X"
TYP. X
CFMTYPE
NECK
SIZE No. OF
DIFFUSERS
TYPE/MARK (SEE SCHEDULE)
EXISTING EQUIPMENT TO REMAIN
EXISTING EQUIPMENT TO BE RELOCATED
AREA OF
#/M#-#
DETAIL
ENLARGED
M-#
M#-#
GENERAL SYMBOLS
DETAIL NO.
LONGITUDINAL OR
CROSS SECTION NO.
SHEET NO. ON WHICH
CUTTING PLANE
DIRECTION OF
SECTION IS DRAWN
SHEET ON WHICH
DETAIL IS DRAWN
DETAIL NO.
SCALE OF SECTION, DETAIL OR DRAWING
SECTION OR DETAIL NO.
DRAWING TITLE
# 1/8" = 1'-0"
FLOOR PLAN
POINT OF DEMARCATION/ DISCONNECT
POINT OF CONNECTION
REVISION NUMBER
NEW CONSTRUCTION KEYED NOTE
INDICATED PLAN NORTH
ENLARGED CALL OUT
DETAIL REFRENCE CALL OUT
CROSS SECTION CALL OUT
SECTION/DETAIL CALL OUT
SHEET ON WHICH
ENLARGED DETAIL
IS DRAWN
M#-#
SURFACE SHOWN
SHEET ON WHICH
ELEVATION IS DRAWN
ELEVATION NO.
IN ELEVATION
ELEVATION CALL OUT
DIRECTION OF FLOW ARROW
SLOPE ARROW W/ PERCENTAGE
RISER DESIGNATION
PIPING TYPE
RISER NUMBER
P
PIPE CONTINUATION, SINGLE LINE
PIPE CONTINUATION, DOUBLE LINE
1%
HUMIDITY SENSOR
TEMPERATURE & CO2 SENSOR
TEMPERATURE & HUMIDITY SENSOR
TEMPERATURE SENSOR
THERMOSTAT
HUMIDISTAT
TS
HS
TC
TH
T
H
MECHANICAL DEVICES
M D
SMOKE DAMPER
FIRE DAMPER
COMBINATION FIRE/SMOKE
DAMPER
BACKDRAFT
DAMPER
MOTORIZED DAMPER
MANUAL DAMPER
MECHANICAL TWO-LINE DIAGRAM
CO2 SENSOR CO
SLOT DIFFUSER - CONTINUOUS
RECTANGULAR/ROUND EXHAUST DUCT UP
RECTANGULAR/ROUND EXHAUST DUCT DOWN
(ROUND TO SQUARE, SQUARE TO ROUND)
(ROUND TO SQUARE, SQUARE TO ROUND)
20"Ø (E)
20"Ø SA
20"Ø (D)
MECHANICAL SHEET INDEX
SHEET
NUMBER SHEET DESCRIPTION
M0.0 MECHANICAL GENERAL NOTES
M0.1 MECHANICAL SYMBOLS AND LEGENDS
M1.0 1ST FLOOR DEMO WORK PLAN
M1.1 2ND FLOOR DEMO WORK PLAN
M2.0 1ST FLOOR DEMO WORK PLAN
M2.1 2ND FLOOR NEW WORK PLAN
M2.2 3RD FLOOR NEW WORK PLAN
M2.3 4TH FLOOR NEW WORK PLAN
M2.4 5TH FLOOR NEW WORK PLAN
M3.0 MECHANICAL SCHEDULES & DETAILS
M4.0 MECHANICAL CONTROLS
X-1
(E)X-1
(R)X-1
SUPPLY AIR SA
DUCT ABBREVIATIONS:
RETURN AIR RA
OUTSIDE AIR OA
PRIMARY SUPPLY AIR COLD DECK PSAC
PRIMARY SUPPLY AIR HOT DECK PSAH
TRINITY - IT
ROOM HVAC
UPGRADES
1117 Trinity St.
Austin, TX.
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
AutoCAD SHX Text
NORTH
AutoCAD SHX Text
CONFIDENCE AND SHALL NOT BE MADE AVAILABLE,
AutoCAD SHX Text
EXCEPT AS MAY BE OTHERWISE PROVIDED BY CONTRACT,
AutoCAD SHX Text
THESE DRAWINGS AND SPECIFICATIONS ARE PROPERTY
AutoCAD SHX Text
OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
AutoCAD SHX Text
REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
AutoCAD SHX Text
INTENDED PURPOSE, OR AS BASIS FOR MANUFACTURE
AutoCAD SHX Text
OR SALE OF APARATUS WITHOUT WRITTEN PERMISSION.
AutoCAD SHX Text
CONFIDENTIAL AND PROPRIETARY
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SHEET NUMBER:
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SHEET NAME:
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PROJECT NUMBER:
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ISSUE DATE:
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REVISIONS:
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SEAL(S) / CONSULTANT:
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CLIENT / PROJECT NAME:
AutoCAD SHX Text 21-1062.00
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OCTOBER 31, 2025
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MECHANICAL SYMBOLS AND LEGENDS
M0.1
Elev.
Elev.D ow nU p U p
D ow n
107T
7T
104CT 104DT
104BT
104T 114T 120T 124T
130T
119T
115T
113T111T
109T
101T
1C
T 144CT 144DT 144ET
144T
144AT 121AT
130FT
144T
1B
T
4F
T
4G T
4B
T
1A
T
0E
T
0A
T
0B T
0C
T
0D T
143T
101ET
6T
4A
T
4A
T
114BT
126AT
S1 90 6" Ø
S1 80 6" Ø
S2 80 8 X 6
S1 100 8" Ø
14x12 22x12
10x128x12 16 x1 x1 x1 x1 x2 x1 x1
8x
8x
1117 Trinity St.
Austin, TX.
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
TRINITY - IT
ROOM HVAC
UPGRADES
A. REFER TO CURRENT TEXAS WORKFORCE COMMISSION
STANDARD CONSTRUCTION SPECIFICATIONS FOR ADDITIONAL
MATERIAL AND INSTALLATION INFORMATION.
B. REFER TO SCHEDULES, SEQUENCE OF OPERATION, AND DETAILS
FOR ADDITIONAL INFORMATION.
C. DEMOLISH EXISTING DUCTWORK, SUPPORTS, FLEX DUCT, AIR
DEVICES, AND SENSORS UNLESS OTHERWISE INDICATED.
GENERAL NOTES:
MECHANICAL DEMOLITION PLAN - 1ST FLOOR
SCALE: 1/8" - 1'-0"
KEYED NOTES: X
1. REMOVE EXISTING DUCTWORK IN ROOM 219 (IT) BACK TO MAIN DUCT.
CAP AT MAIN.
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CONFIDENCE AND SHALL NOT BE MADE AVAILABLE,
AutoCAD SHX Text
EXCEPT AS MAY BE OTHERWISE PROVIDED BY CONTRACT,
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THESE DRAWINGS AND SPECIFICATIONS ARE PROPERTY
AutoCAD SHX Text
OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
AutoCAD SHX Text
REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
AutoCAD SHX Text
INTENDED PURPOSE, OR AS BASIS FOR MANUFACTURE
AutoCAD SHX Text
OR SALE OF APARATUS WITHOUT WRITTEN PERMISSION.
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CONFIDENTIAL AND PROPRIETARY
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SHEET NUMBER:
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SHEET NAME:
AutoCAD SHX Text
PROJECT NUMBER:
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ISSUE DATE:
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REVISIONS:
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SEAL(S) / CONSULTANT:
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CLIENT / PROJECT NAME:
AutoCAD SHX Text 21-1062.00
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OCTOBER 31, 2025
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1ST FLOOR DEMO WORK PLAN
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PLAN NORTH
M1.0
Elevator 1
ELEV. 1
Elevator 2 Elevator 3
LOBBY
CORR
CORR
OPEN OFFICE
OPEN OFFICE
202A
OFFICE
212A
OFFICE
212B
OFFICE 212C
OFFICE
234E
OFFICE
234D
OFFICE
234C
OFFICE
234B
OFFICE
234A
OFFICE
242D
OFFICE
252C
OFFICE
252A
OFFICE
242B
OFFICE
242A
OFFICE
252E
OFFICE
252D
OFFICE
OPEN OFFICE
OPEN OFFICE
ELEC
IT
MECHANICAL
STAIR207
STAIR
JAN
TELEPHONE
WOMEN
MEN
252B
OFFICE
CORR
OFFICE
226B
OFFICE
226A
BREAK
226C
CONFERENCE
226D
OPEN OFFICE
OPEN OFFICE
OPEN OFFICE
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
TRINITY - IT
ROOM HVAC
UPGRADES
A. REFER TO CURRENT TEXAS WORKFORCE COMMISSION
STANDARD CONSTRUCTION SPECIFICATIONS FOR ADDITIONAL
MATERIAL AND INSTALLATION INFORMATION.
B. REFER TO SCHEDULES, SEQUENCE OF OPERATION, AND DETAILS
FOR ADDITIONAL INFORMATION.
C. DEMOLISH EXISTING DUCTWORK, SUPPORTS, FLEX DUCT, AIR
DEVICES, AND SENSORS UNLESS OTHERWISE INDICATED.
GENERAL NOTES:
MECHANICAL DEMOLITION PLAN - 2ND FLOOR
SCALE: 1/8" - 1'-0"
KEYED NOTES: X
1. REMOVE EXISTING DUCTWORK IN ROOM 219 (IT) BACK TO MAIN DUCT.
CAP AT MAIN.
AutoCAD SHX Text
CONFIDENCE AND SHALL NOT BE MADE AVAILABLE,
AutoCAD SHX Text
EXCEPT AS MAY BE OTHERWISE PROVIDED BY CONTRACT,
AutoCAD SHX Text
THESE DRAWINGS AND SPECIFICATIONS ARE PROPERTY
AutoCAD SHX Text
OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
AutoCAD SHX Text
REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
AutoCAD SHX Text
INTENDED PURPOSE, OR AS BASIS FOR MANUFACTURE
AutoCAD SHX Text
OR SALE OF APARATUS WITHOUT WRITTEN PERMISSION.
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CONFIDENTIAL AND PROPRIETARY
AutoCAD SHX Text
SHEET NUMBER:
AutoCAD SHX Text
SHEET NAME:
AutoCAD SHX Text
PROJECT NUMBER:
AutoCAD SHX Text
ISSUE DATE:
AutoCAD SHX Text
REVISIONS:
AutoCAD SHX Text
SEAL(S) / CONSULTANT:
AutoCAD SHX Text
CLIENT / PROJECT NAME:
AutoCAD SHX Text 21-1062.00
AutoCAD SHX Text
OCTOBER 31, 2025
AutoCAD SHX Text
2ND FLOOR DEMO WORK PLAN
AutoCAD SHX Text
PLAN NORTH
M1.1
Elev.
Elev.D ow nU p U p
D ow n
107T
7T
104CT 104DT
104BT
104T 114T 120T 124T
130T
119T
115T
113T111T
109T
101T
1C
T 144CT 144DT 144ET
144T
144AT 121AT
130FT
144T
1B
T
4F
T
4G T
4B
T
1A
T
0E
T
0A
T
0B T
0C
T
0D T
143T
101ET
6T
4A
T
4A
T
114BT
126AT
S1 90 6" Ø
S1 80 6" Ø
S2 80 8 X 6
S1 100 8" Ø
A3 600 14" X 10"
VAV-1-1
FD
R1 - 10" X 10"
FD
AHU-5
14x12 22x12
10x128x12 16 x1 x1 x1 x1 x2 x1 x1
8x
8x
10x10
R3 - 14" X 10" x1
Ø
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
TRINITY - IT
ROOM HVAC
UPGRADES
MECHANICAL NEW WORK PLAN - 1ST FLOOR
SCALE: 1/8" - 1'-0"
A. REFER TO CURRENT TEXAS WORKFORCE COMMISSION STANDARD CONSTRUCTION
SPECIFICATIONS FOR ADDITIONAL MATERIAL AND INSTALLATION INFORMATION.
B. REFER TO SCHEDULES, SEQUENCE OF OPERATION, AND DETAILS FOR ADDITIONAL
INFORMATION.
C. COORDINATE WITH TWC STAFF FOR UTILITY OUTAGES REQUIRED FOR BUILDING
WORK.
D. 120V POWER FOR CONTROL SYSTEM TO BE PROVIDED BY ELECTRICAL
CONTRACTOR. CONTROLS CONTRACTOR IS RESPONSIBLE FOR PROVIDING AND
INSTALLING CONTROLS COMPONENTS, CONTROL AND LOW VOLTAGE WIRING AND
REQUIRED CONDUIT.
E. PROVIDE SINGLE INLET VAV UNITS WITH ONE NEW CONTROLLER AND DDC
THERMOSTAT EACH. INTEGRATE INTO EXISTING BAS SYSTEM.
F. ALL DUCTWORK FROM THE AHU TO A TERMINAL UNIT SHALL BE MEDIUM PRESSURE
DUCTWORK. ALL DUCTWORK AFTER THE TERMINAL UNIT SHALL BE LOW PRESSURE
DUCTWORK. RETURN DUCTWORK TO BE MEDIUM PRESSURE.
G. COORDINATE AND INSTALL TERMINAL UNITS WITH 24" MINIMUM CLEARANCE DEPTH
AT CONTROLS ACCESS ENCLOSURES.
GENERAL NOTES:
KEYED NOTES: X
1. COORDINATE AND INSTALL NEW VAV TERMINAL UNIT WITH ASSOCIATED CONTROL
COMPONENTS. INTEGRATE UNIT INTO EXISTING BUILDING AUTOMATION SYSTEM
(BAS).
2. ELECTRICAL CONTRACTOR TO CONNECT NEW VAV TERMINAL UNIT TO EXISTING
ELECTRICAL CIRCUIT ON THIS FLOOR.
3. MODIFY EXISTING SUPPLY DUCT PENETRATION. INSTALL 1.5-HR FIRE DAMPER IN
NEW RETURN AIR DUCT PENETRATIONS. PROVIDE ACCESS PANELS. INSTALL ALL
FIRE DAMPERS IN STRICT ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS IN
ORDER TO MAINTAIN U.L. APPROVAL OF THE ASSEMBLY. ASSEMBLY SHALL BE
RATED ACCORDING TO THE WALL RATING. INSTALL A FIRE DAMPER ACCESS DOOR
AT EACH DAMPER AND LABEL ACCESS DOOR.
4. INSTALL 1.5-HR FIRE DAMPER IN NEW SUPPLY AIR DUCT PENETRATIONS. SUPPLY
AIR DUCT PENETRATION SHALL BE COORDINATED AND INSTALLED BELOW
CONCRETE STRUCTURAL BEAM. PROVIDE ACCESS PANELS. INSTALL ALL FIRE
DAMPERS IN STRICT ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS IN
ORDER TO MAINTAIN U.L. APPROVAL OF THE ASSEMBLY. ASSEMBLY SHALL BE
RATED ACCORDING TO THE WALL RATING. INSTALL A FIRE DAMPER ACCESS DOOR
AT EACH DAMPER AND LABEL ACCESS DOOR.
AutoCAD SHX Text T
AutoCAD SHX Text
CONFIDENCE AND SHALL NOT BE MADE AVAILABLE,
AutoCAD SHX Text
EXCEPT AS MAY BE OTHERWISE PROVIDED BY CONTRACT,
AutoCAD SHX Text
THESE DRAWINGS AND SPECIFICATIONS ARE PROPERTY
AutoCAD SHX Text
OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
AutoCAD SHX Text
REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
AutoCAD SHX Text
INTENDED PURPOSE, OR AS BASIS FOR MANUFACTURE
AutoCAD SHX Text
OR SALE OF APARATUS WITHOUT WRITTEN PERMISSION.
AutoCAD SHX Text
CONFIDENTIAL AND PROPRIETARY
AutoCAD SHX Text
SHEET NUMBER:
AutoCAD SHX Text
SHEET NAME:
AutoCAD SHX Text
PROJECT NUMBER:
AutoCAD SHX Text
ISSUE DATE:
AutoCAD SHX Text
REVISIONS:
AutoCAD SHX Text
SEAL(S) / CONSULTANT:
AutoCAD SHX Text
CLIENT / PROJECT NAME:
AutoCAD SHX Text 21-1062.00
AutoCAD SHX Text
OCTOBER 31, 2025
AutoCAD SHX Text
1ST FLOOR NEW WORK PLAN
AutoCAD SHX Text
PLAN NORTH
M2.0
ELEV. 1
Elevator 2 Elevator 3
LOBBY
CORR
CORR
OPEN OFFICE
OPEN OFFICE
202A
OFFICE
212A
OFFICE
212B
OFFICE 212C
OFFICE
234E
OFFICE
234D
OFFICE
234C
OFFICE
234B
OFFICE
234A
OFFICE
242D
OFFICE
252C
OFFICE
252A
OFFICE
242B
OFFICE
242A
OFFICE
252E
OFFICE
252D
OFFICE
OPEN OFFICE
OPEN OFFICE
ELEC
IT
MECHANICAL
STAIR207
STAIR
JAN
TELEPHONE
WOMEN
MEN
252B
OFFICE
CORR
OFFICE
226B
OFFICE
226A
BREAK
226C
CONFERENCE
226D
OPEN OFFICE
OPEN OFFICE
OPEN OFFICE
Ø
P
SA
C
Ø
P
SA
H
Ø
P
SA
H
Ø
P
SA
C
14Ø SA18Ø SA
14Ø PSAC
14Ø PSAH 10Ø PSAH
16Ø PSAH
18Ø PSAC
10Ø PSAH
14Ø PSAC
16Ø SA 14Ø SA 12Ø SA
18Ø PSAC16Ø PSAC
14Ø PSAH
A2 105 7" Ø
TYP. 6
VAV-2-4 VAV-2-2
VAV-2-5
VAV-2-6 VAV-2-7
VAV-2-8 VAV-2-9 VA
V- 2-
VAV-2-11
VAV-2-18
VAV-2-17 VAV-2-16 VAV-2-15 VAV-2-14
VAV-2-12
DDVAV-2-2
DDVAV-2-3
DDVAV-2-1
DDVAV-2-4
DDVAV-2-5 DDVAV-2-6
DDVAV-2-7
DDVAV-2-8
DDVAV-2-9
DDVAV-2-10
DDVAV-2-11
DDVAV-2-12
DDVAV-2-13DDVAV-2-14
DDVAV-2-15
A1 135 6" Ø
TYP. 6
R1 160 24" X 24"
R1 220 24" X 24"
R1 160 24" X 24"
R1 225 24" X 24"
R1 160 24" X 24"
R1 125 24" X 24"
R1 90 24" X 24"
R1 260 24" X 24"
R1 470 24" X 24"
R1 430 24" X 24"
R1 80 24" X 24"
TYP. 4
R1 300 24" X 24"
R1 250 24" X 24"
R1 360 24" X 24"
R1 290 24" X 24"
R1 250 24" X 24" R1 330
24" X 24"
R1 90 24" X 24"
A2 160 7" Ø
A2 160 7" Ø
A2 100 7" Ø
TYP. 2
A2 110 7" Ø
TYP. 2
A2 160 7" Ø
A2 125 7" Ø
TYP. 6
A2 135 7" Ø
A1 90 6" Ø
A1 85 6" Ø
TYP. 3
A2 215 7" Ø
TYP. 2
A2 150 7" Ø
TYP. 2 A1 170
6" Ø
A1 115 6" Ø
TYP. 6
A1 175
8" Ø
TYP. 4
A1 260 8" Ø
A1 165 8" Ø
TYP. 2
A1 160 8" Ø
TYP. 4
A1 80 6" Ø
TYP. 2
A1 125 6" Ø
A1 130 6" Ø
TYP. 3
A1 130 6" Ø
TYP. 6
A1 80 6" Ø
TYP. 4
A1 120 6" Ø
TYP. 7
A2 125 7" Ø
TYP. 2
A1 125 6" Ø
TYP. 3
A2 115 7" Ø
TYP. 7
A1 115 6"
R1 840 24" X 24"
A2 125 7" Ø
TYP. 2
A2 150 7" Ø
TYP. 2
A2 120 7" Ø
TYP. 3
A2 130 7" Ø
TYP. 8
A2 145 7" Ø
TYP. 2
A2 125 7" Ø
TYP. 2
A2 120 7" Ø
TYP. 2
A1 90 6" Ø
A1 155 6"
TYP. 6
VAV-2-13
A1 130 6" Ø
TYP. 6
R1 623 24" X 24"
TYP. 2
R1 623 24" X 24"
R1 330 24" X 24"
R1 435 24" X 24"
TYP. 2
VAV-2-3
VAV-2-1
A1 90 6" Ø
A1 90 6" Ø A1 90
6" Ø
DDVAV-2-4
DDVAV-2-3
DDVAV-2-2
DDVAV-2-1
DDVAV-2-15
DDVAV-2-14
DDVAV-2-13
DDVAV-2-12
DDVAV-2-11
DDVAV-2-10
VAV-2-12
VAV-2-13
VAV-2-2
VAV-2-3
VAV-2-1
VAV-2-4
VAV-2-16
VAV-2-17
VAV-2-18
VAV-2-14VAV-2-15
VAV-2-5
VAV-2-6
DDVAV-2-5
DDVAV-2-7
DDVAV-2-8
VAV-2-11
VAV-2-(9&10)
DDVAV-2-6
VAV-2-8
VAV-2-7
8x8 SA8x8 SA 8x8 SA 10x8 SA 10x10 SA
8x8 SA
10x8 SA
8x
SA
18x14 RA16x14 RA x1
R
A
10x10 SA 10x8 SA12x10 SA
6x
R A x1
R
A
14x12 RA
14x12
16x16 RA12x12 RA
16Ø SA14Ø SA
x1
SA
6x
8x
SA
x1
SA
16x16 RA 18x18 RA 14x12 12x12 RA x1
R
A x1
SA
x1
SA
x1
SA
12x12 SA 10x10 SA 8x10 SA
12x10 SA 8x8 SA
12x10 SA 8x8 SA8x8 SA
10x8 SA
14x12 RA
12Ø SA
16x16 RA x1
SA10
x8 S
A x1
SA
x1
SA10x10 SA x1
SA
x1
SA
Ø
S A x1
R
A
FSDFSD FSD FSD
FSDFSD FSDFSD
DDVAV-2-9
16Ø PSAH
20Ø PSAC
18Ø SA
6x
R A
R1 775 24" X 24"
TYP. 2
R1 90 24" X 24"
R1 390 24" X 24"
R1 885 24" X 24"
R1 500 24" X 24"
TYP. 3
R1 200 24" X 24"
R1 160 24" X 24"
R1 700 24" X 24"
R1 580 24" X 24"
TYP. 2
A1 120 6" Ø
A1 135 6" Ø
R1 135 24" X 24"
8x
SA
x1
SA
x1
SA
6x8 SA
A1 130 6" Ø
TYP. 4
R1 520 24" X 24"
TYP. 2
8x8 SA x1
12x10 SA x1
SA
8x
SA
x1
SA 8x8 SA x8
S A
6x
SA
x1 x1
SA
x1
SA
10Ø SA
6x
R A
10x8 RA
Ø
Ø
10Ø PSAC
8Ø 8Ø
12x12 RA
12x12 RA
16Ø PSAC
14Ø PSAH
Ø PSAC
Ø
Ø
10x10 RA
14x14 RA
6Ø SA
6x6 RA 10x10 RA
10x10 RA
8Ø 8Ø x1
SA
8x
SA
6x
SA
x8
R A
10Ø PSAH
10Ø PSAC14Ø
12Ø
14x12 RA 12x12 RA
12Ø SA
FSD
12x10 RA
8x8 RA
14x14 RA
Ø
S A x1
R
A
FSD
R1 623 24" X 24"
10x10
6x8 SA
8x10 SA
14x10 SA
Ø
Ø
Ø
Ø
8Ø
8Ø
Ø
Ø
8Ø 8Ø
Ø
Ø 14 Ø
Ø 12Ø
10Ø 10 x8 8x x8
10x8 x1 x1 x8 x88x
6x
6x
6x x1 x8 x1
8x
8x
8x 6 8x x1
8x x1
Ø
Ø
6Ø
6Ø
6Ø
Ø
Ø
Ø
8Ø x1 x1 x1
8x x1 x1
6x
6x x1 x1 x1
10x10
6Ø S
A
12Ø
10Ø x1
8Ø
Ø
Ø
VAV-2-19
VAV-2-19
10Ø
A3 600 14" X 10"
12x10
FSDFD
VAV-2-19
VAV-2-19
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
TRINITY - IT
ROOM HVAC
UPGRADES
MECHANICAL NEW WORK PLAN - 2ND FLOOR
SCALE: 1/8" - 1'-0"
1 2
A. REFER TO CURRENT TEXAS WORKFORCE COMMISSION STANDARD CONSTRUCTION
SPECIFICATIONS FOR ADDITIONAL MATERIAL AND INSTALLATION INFORMATION.
B. REFER TO SCHEDULES, SEQUENCE OF OPERATION, AND DETAILS FOR ADDITIONAL
INFORMATION.
C. COORDINATE WITH TWC STAFF FOR UTILITY OUTAGES REQUIRED FOR BUILDING
WORK.
D. 120V POWER FOR CONTROL SYSTEM TO BE PROVIDED BY ELECTRICAL
CONTRACTOR. CONTROLS CONTRACTOR IS RESPONSIBLE FOR PROVIDING AND
INSTALLING CONTROLS COMPONENTS, CONTROL AND LOW VOLTAGE WIRING AND
REQUIRED CONDUIT.
E. PROVIDE SINGLE INLET VAV UNITS WITH ONE NEW CONTROLLER AND DDC
THERMOSTAT EACH. INTEGRATE INTO EXISTING BAS SYSTEM.
F. ALL DUCTWORK FROM THE AHU TO A TERMINAL UNIT SHALL BE MEDIUM PRESSURE
DUCTWORK. ALL DUCTWORK AFTER THE TERMINAL UNIT SHALL BE LOW PRESSURE
DUCTWORK. RETURN DUCTWORK TO BE MEDIUM PRESSURE.
G. COORDINATE AND INSTALL TERMINAL UNITS WITH 24" MINIMUM CLEARANCE DEPTH
AT CONTROLS ACCESS ENCLOSURES.
GENERAL NOTES:
KEYED NOTES: X
1. INSTALL NEW VAV TERMINAL UNIT WITH ASSOCIATED CONTROL COMPONENTS.
INTEGRATE UNIT INTO EXISTING BUILDING AUTOMATION SYSTEM (BAS).
2. ELECTRICAL CONTRACTOR TO CONNECT NEW VAV TERMINAL UNIT TO EXISTING
ELECTRICAL CIRCUIT SERVING TERMINAL UNITS ON THIS FLOOR.
3. INSTALL 1.5-HR FIRE DAMPER IN SUPPLY AIR DUCT PENETRATIONS. PROVIDE
ACCESS PANELS. INSTALL ALL FIRE DAMPERS IN STRICT ACCORDANCE WITH
MANUFACTURER'S INSTRUCTIONS IN ORDER TO MAINTAIN U.L. APPROVAL OF THE
ASSEMBLY. ASSEMBLY SHALL BE RATED ACCORDING TO THE WALL RATING.
INSTALL A FIRE DAMPER ACCESS DOOR AT EACH DAMPER AND LABEL ACCESS
DOOR.
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
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AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
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AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text T
AutoCAD SHX Text
CO
AutoCAD SHX Text T
AutoCAD SHX Text
CONFIDENCE AND SHALL NOT BE MADE AVAILABLE,
AutoCAD SHX Text
EXCEPT AS MAY BE OTHERWISE PROVIDED BY CONTRACT,
AutoCAD SHX Text
THESE DRAWINGS AND SPECIFICATIONS ARE PROPERTY
AutoCAD SHX Text
OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
AutoCAD SHX Text
REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
AutoCAD SHX Text
INTENDED PURPOSE, OR AS BASIS FOR MANUFACTURE
AutoCAD SHX Text
OR SALE OF APARATUS WITHOUT WRITTEN PERMISSION.
AutoCAD SHX Text
CONFIDENTIAL AND PROPRIETARY
AutoCAD SHX Text
SHEET NUMBER:
AutoCAD SHX Text
SHEET NAME:
AutoCAD SHX Text
PROJECT NUMBER:
AutoCAD SHX Text
ISSUE DATE:
AutoCAD SHX Text
REVISIONS:
AutoCAD SHX Text
SEAL(S) / CONSULTANT:
AutoCAD SHX Text
CLIENT / PROJECT NAME:
AutoCAD SHX Text 21-1062.00
AutoCAD SHX Text
OCTOBER 31, 2025
AutoCAD SHX Text
2ND FLOOR NEW WORK PLAN
AutoCAD SHX Text
PLAN NORTH
M2.1
MECHANICAL CHASE
Elevator 2 Elevator 3
OFFICE
OPEN OFFICE
CORR
CORR
CORR
ELEC
OPEN OFFICE
OPEN OFFICE
LOBBY
332D
OFFICE
332C
OFFICE
332B
OFFICE
316B
OFFICE
316C
OFFICE-
OFFICE
304A
OFFICE
STORAGE
316A
STORAGE
324B
OFFICE
324A
OFFICE
316E
OFFICE
316D
OFFICE
IT
JAN
TELEPHONE
332A
OFFICE
342C
OFFICE
342A
OFFICE
350A
OFFICE
BREAK ROOM
BREAK
STAIR307
STAIR
WOMEN
MEN
OPEN OFFICE
OPEN OFFICE
CONFERENCE
OPEN OFFICE
Ø
P
SA
H
Ø
S A
Ø
P
SA
H
Ø
S A
14Ø SA16Ø SA14Ø SA
18Ø PSAC
16Ø PSAH
16Ø PSAC
14Ø SA
12Ø SA
16Ø PSAH
18Ø PSAC16Ø PSAC
14Ø PSAH
14Ø PSAC
12Ø PSAH
12Ø PSAC
VAV-3-5
VAV-3-1 VAV-3-4
VAV-3-2
VAV-3-3
VAV-3-6
VAV-3-7
VAV-3-8
VAV-3-9
VAV-3-10
VAV-3-11
VAV-3-12VAV-3-13VAV-3-14
VAV-3-15
VAV-3-16
DDVAV-3-1 DDVAV-3-2
DDVAV-3-3 DDVAV-3-4
DDVAV-3-5
DDVAV-3-6
DDVAV-3-7
DDVAV-3-8
DDVAV-3-9
DDVAV-3-10
DDVAV-3-11
DDVAV-3-12DDVAV-3-13
DDVAV-3-14
DDVAV-3-15
A2 110 7" Ø
TYP. 2
R1 260 24" x 24"
R1 120 24" x 24"
R1 300 24" x 24"
R1 90 24" x 24"
R1 250 24" x 24"
R1 190 24" x 24"
R1 100 24" x 24"
R1 90 24" x 24"
R1 90 24" x 24"
R1 580 24" x 24"
TYP. 2
R1 500 24" x 24"
TYP. 2
R1 300 24" x 24"
R1 460 24" x 24"
R1 390 24" x 24"
R1 300 24" x 24"
R1 440 24" x 24"
R1 90 24" x 24"
R1 340 24" x 24"
TYP. 2
A2 120 7" Ø
A2 130 7" Ø
A2 130 7" Ø
TYP. 2
A2 75 X"
TYP. 4
A2 125 7" Ø
TYP. 2
A2 110 7" Ø
TYP. 2
A2 190 7" Ø
A2 120 7" Ø
TYP. 4
A2 180 7" Ø
A1 100 6" Ø
A1 120 6" Ø
TYP. 4
A1 145 8" Ø
TYP. 2
A2 170 7" Ø
TYP. 6
R1 480 24" x 24"
DDVAV-3-2
DDVAV-3-1
DDVAV-3-3 DDVAV-3-4
DDVAV-3-5
DDVAV-3-6
DDVAV-3-8
DDVAV-3-7
A1 90 6" Ø
A1 90 6" Ø
A1 90 6" Ø
A1 250 8" Ø
A1 65 6" Ø
TYP. 4
A1 90 6" Ø
A1 105 6" Ø"
TYP. 6
A1 95 6" Ø
TYP. 4
A1 95 6" Ø
TYP. 4
VAV-3-7
VAV-3-6
VAV-3-1
VAV-3-5
VAV-3-2
VAV-3-3
A1 95 6" Ø
TYP. 6
A1 95 6" Ø
TYP. 6
A1 95 6" Ø
TYP. 6
A1 95 6" Ø
TYP. 6
A1 120
6" Ø
TYP. 6
A1 110 6" Ø
TYP. 4
VAV-3-12
VAV-3-13
VAV-3-14
VAV-3-15
VAV-3-16
VAV-3-4
A1 85 6" Ø
TYP. 6
A2 170 7" Ø
A2 115 7" Ø
TYP. 4
A2 110 7" Ø
TYP. 5
A2 150 7" Ø
TYP. 2
A2 140 7" Ø
TYP. 3
A2 145 7" Ø
TYP. 2
A2 130 7" Ø
TYP. 3
A2 150 7" Ø
TYP. 2
A2 125 7" Ø
TYP. 2
A2 120 7" Ø
TYP. 3
A2 115 7" Ø
DDVAV-3-15
R1 550 24" x 24"
R1 420 24" x 24"
DDVAV-3-14
DDVAV-3-13 DDVAV-3-12
DDVAV-3-11
DDVAV-3-10
VAV-3-8
A1 110 6" Ø
TYP. 6
A1 90 6" Ø
TYP. 6
A1 90 6" Ø
TYP. 6
VAV-3-9
VAV-3-10
VAV-3-11
R1 250 24" x 24"
FSD
x8
S A x8
S A x8
S A x8
S A x1
SA
x8
S A
8x
SA
12x12 RA 10x10 RA
12Ø
12Ø PSAH
16x14 RA12x10 RA 6x6 RA x8
R A
14x10 RA 16x12 RA 20x16 RA
12x12 x8
S A x8
8x
SA
12x12 SA 10x8 SA 12x10 SA 12x10 SA 10x8 SA 8x8 SA
12x12 RA 16x14 RA 18x16 RA 14x12 RA x1
R
A
16x12 RA14x12 RA x1
R
A x1
SA
x1
SA
12x12 SA
8x8 SA 10x8 SA
6x6 SA x8
S A
8x8 SA 8x8 SA 10x8 SA x1
SA
8x8 SA x8
S A
8x8 SA 8x8 SA 8x8 SA
10x10 RA x8
S A
8x
S A x1
SA
x8
S A
A1 75 6" Ø
FSD FSD FSD
R1 220 24" x 24"
A1 180 8"
A1 270 8"
FSDFSD FSD FSDFSD
R1 180 24" x 24"
R1 480 24" x 24"
R1 190 24" x 24"
R1 360 24" x 24"
R1 220 24" x 24"
R1 260 24" x 24"
R1 630 24" x 24"
R1 290 24" x 24"
R1 500 24" x 24"
TYP. 4
R1 580 24" x 24"
R1 760 24" x 24"
R1 130 24" x 24"
R1 655 24" x 24"
TYP. 2
R1 250 24" x 24"
18Ø SA 20Ø SA
10Ø SA
x8
S A
8x
SA
x8
S A
6x
SA
x1
SA
x1
SA
8x
8x
SA
6Ø SA
20x16 RA18x14 RA x8
S A
10Ø PSAH
14Ø PSAC
Ø
P
SA
H
Ø P
SA
C
Ø PSAC
8Ø
PSAH
12Ø PSAH
14Ø PSAH
12Ø SA
6x
R A x1
R
A
10Ø
8Ø x1
SA
x1
SA
8x8 SA 8x10 SA
10x8 RA
12Ø SA
x1
SA
x8
S A
12Ø SA
x1
R
A x8
S A x8
S A x8
S A x1
R
A
Ø
P
SA
C x1
R
A
18x14 RA
Ø P
SA
C x1
SA
12Ø
Ø
Ø
8Ø8Ø
8x8 SA
8x8
6x
6x
8x
Ø
Ø 10
Ø
Ø
8Ø 8Ø x1
8x
8x
8x 88x
8x8 SA
6x6
8x
8Ø R
A x1
6Ø
Ø
6Ø x1 x1
8x
8x
Ø
Ø8Ø12 Ø x1
6Ø SA
14x14 RA x8
S A
6Ø
12Ø SA
x1
12x10
8x6 x8
8x x8 x1 x8
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø x1 x8 x1 x1
8Ø
12Ø x1
SA
x8
Ø
Ø
Ø
Ø
Ø x1 x1 x1 x1 x1 x1
R
A
14Ø
6x8 SA x1
DDVAV-3-9
FSD
VAV-3-17
VAV-3-17
10Ø
A3 600 14" X 10"
12x10
FSD
FD
VAV-3-17
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
TRINITY - IT
ROOM HVAC
UPGRADES
MECHANICAL NEW WORK PLAN - 3RD FLOOR
SCALE: 1/8" - 1'-0"
A. REFER TO CURRENT TEXAS WORKFORCE COMMISSION STANDARD CONSTRUCTION
SPECIFICATIONS FOR ADDITIONAL MATERIAL AND INSTALLATION INFORMATION.
B. REFER TO SCHEDULES, SEQUENCE OF OPERATION, AND DETAILS FOR ADDITIONAL
INFORMATION.
C. COORDINATE WITH TWC STAFF FOR UTILITY OUTAGES REQUIRED FOR BUILDING
WORK.
D. 120V POWER FOR CONTROL SYSTEM TO BE PROVIDED BY ELECTRICAL
CONTRACTOR. CONTROLS CONTRACTOR IS RESPONSIBLE FOR PROVIDING AND
INSTALLING CONTROLS COMPONENTS, CONTROL AND LOW VOLTAGE WIRING AND
REQUIRED CONDUIT.
E. PROVIDE SINGLE INLET VAV UNITS WITH ONE NEW CONTROLLER AND DDC
THERMOSTAT EACH. INTEGRATE INTO EXISTING BAS SYSTEM.
F. ALL DUCTWORK FROM THE AHU TO A TERMINAL UNIT SHALL BE MEDIUM PRESSURE
DUCTWORK. ALL DUCTWORK AFTER THE TERMINAL UNIT SHALL BE LOW PRESSURE
DUCTWORK. RETURN DUCTWORK TO BE MEDIUM PRESSURE.
G. COORDINATE AND INSTALL TERMINAL UNITS WITH 24" MINIMUM CLEARANCE DEPTH
AT CONTROLS ACCESS ENCLOSURES.
GENERAL NOTES:
KEYED NOTES: X
1. INSTALL NEW VAV TERMINAL UNIT WITH ASSOCIATED CONTROL COMPONENTS.
INTEGRATE UNIT INTO EXISTING BUILDING AUTOMATION SYSTEM (BAS).
2. ELECTRICAL CONTRACTOR TO CONNECT NEW VAV TERMINAL UNIT TO EXISTING
ELECTRICAL CIRCUIT SERVING TERMINAL UNITS ON THIS FLOOR.
3. INSTALL 1.5-HR FIRE DAMPER IN SUPPLY AIR DUCT PENETRATIONS. PROVIDE
ACCESS PANELS. INSTALL ALL FIRE DAMPERS IN STRICT ACCORDANCE WITH
MANUFACTURER'S INSTRUCTIONS IN ORDER TO MAINTAIN U.L. APPROVAL OF THE
ASSEMBLY. ASSEMBLY SHALL BE RATED ACCORDING TO THE WALL RATING.
INSTALL A FIRE DAMPER ACCESS DOOR AT EACH DAMPER AND LABEL ACCESS
DOOR.
1 2
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OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
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REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
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CONFIDENTIAL AND PROPRIETARY
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SHEET NUMBER:
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AutoCAD SHX Text 21-1062.00
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OCTOBER 31, 2025
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3RD FLOOR NEW WORK PLAN
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PLAN NORTH
M2.2
Elevator 2 Elevator 3 MECHANICAL CHASE
451A
STG
OPEN OFFICE
CORR
OPEN OFFICE
CORR
ELEC
STAIR
CORR
CONFERENCE
OFFICE
458B
OFFICE
458C
OFFICE
458D
OFFICE
452A
OFFICE
452B
OFFICE
440A
OFFICE
432B
OFFICE
432D
OFFICE
432A
OFFICE
OPEN OFFICE
424B
OFFICE
424A
OFFICE
416B
OFFICE
OPEN OFFICE
408A
OFFICE
404C
OFFICE
404B
OFFICE
404A
OFFICE
OPEN OFFICE
LOBBY
IT
JAN
TELEPHONE
STAIR
WOMEN
MEN
Ø
P
SA
C
Ø
P
SA
H
Ø
P
SA
H
Ø
P
SA
C
20Ø PSAC
18Ø PSAH16Ø PSAH12Ø PSAH
16Ø PSAC
14Ø PSAH
16Ø PSAC14Ø PSAC
12Ø PSAH
12Ø PSAH
14Ø PSAC
16Ø PSAH
18Ø PSAC
8Ø P
SA
H
Ø
P
SA
C x1
R
A
14x14 RA14x12 RA x1
R
A
18x16 RA14x14 RA
VAV-4-1 VAV-4-4
VAV-4-2
VAV-4-3
VAV-4-5 VAV-4-6 VAV-4-7
VAV-4-8
VAV-4-9
VAV-4-10VAV-4-11
VAV-4-12VAV-4-13
DDVAV-4-1
DDVAV-4-18
DDVAV-4-2
DDVAV-4-3
DDVAV-4-4
DDVAV-4-5 DDVAV-4-6 DDVAV-4-7
DDVAV-4-8
DDVAV-4-9
DDVAV-4-10DDVAV-4-11
DDVAV-4-12
DDVAV-4-13
DDVAV-4-14
DDVAV-4-15
DDVAV-4-16
DDVAV-4-17
R1 250 24" X 24"
R1 120 24" X 24"
R1 125 24" X 24"
R1 90 24" X 24"R1 560
24" X 24"
R1 140 24" X 24"
R1 110 24" X 24"
R1 680 24" X 24"
R1 90 24" X 24"
R1 90 24" X 24"
R1 190 24" X 24"
R1 260 24" X 24"
R1 280 24" X 24"
R1 150 24" X 24"
A2 125 7" Ø
TYP. 2
A2 125 7" Ø
TYP. 7
A2 150 7" Ø
TYP. 2
A2 140 7" Ø
TYP. 2
A2 130 7" Ø
TYP. 2
A2 190 7" Ø
A2 120 7" Ø
TYP. 4
A2 200 7" Ø
A1 100 6" Ø
A2 135 X"
TYP. 3
A2 150 7" Ø
TYP. 2
A2 120 7" Ø
TYP. 2
A2 115 7" Ø
TYP. 7
A2 120 7" Ø
TYP. 2
A2 120 7" Ø
TYP. 2
A2 130 7" Ø
TYP. 6
A2 115 7" Ø
TYP. 2
A1 80 6" Ø
A1 70 6" Ø
TYP. 2
A1 110 6" Ø
A2 160 7"
TYP. 3
A2 140 7"
TYP. 3
A1 140 8"
A1 155 8"
TYP. 2
A1 135 6" Ø
TYP. 6
A1 135 6" Ø
TYP. 6
A1 130 6" Ø
TYP. 6
A1 105 6" Ø
TYP. 6
A1 105 6" Ø
TYP. 6
A1 125 6" Ø
TYP. 6
A1 125 6" Ø
TYP. 6
A1 155 8" Ø
TYP. 6
A1 180 8" Ø
TYP. 2
R1 555 24" X 24"
TYP. 2
A1 120 6" Ø
TYP. 3
A1 165 8" Ø
TYP. 2A1 90
6" Ø
TYP. 9
A1 125 6"
DDVAV-4-17
DDVAV-4-16
DDVAV-4-15
DDVAV-4-14
DDVAV-4-13
DDVAV-4-12 DDVAV-4-11 DDVAV-4-10
DDVAV-4-9
DDVAV-4-8
DDVAV-4-7DDVAV-4-6DDVAV-4-5
DDVAV-4-4DDVAV-4-3
DDVAV-4-2
DDVAV-4-1
VAV-4-1
DDVAV-4-18
VAV-4-3
VAV-4-2
VAV-4-4
VAV-4-5 VAV-4-6 VAV-4-7
VAV-4-8
A1 90 6"
A1 45 X"
TYP. 2
A1 90 6"
VAV-4-9
VAV-4-10
VAV-4-11
VAV-4-12VAV-4-13
x1
R
A
8x
R A
12x12 RA 14x14 RA 16x16 RA 14x12 RA x1
R
A
16x16 RA
14x10 RA
8x8 SA
6Ø S
A
14x10 SA
10x8 SA 10x10 SA 10x10 SA 12x10 SA
8x8 SA
8x8 SA x1
SA
x1
SA
x1
SA
x1
SA
x1
SA
x8
S A x8
S A
8x
SA
x1
SA
x1 x1 x1
8x
SA
6x8 SA
12x12 RA
R1 680 24" X 24"
R1 385 24" X 24"
TYP. 2
R1 400 24" X 24"
TYP. 2
R1 300 24" X 24"
R1 405 24" X 24"
R1 300 24" X 24"
R1 690 24" X 24"
R1 485 24" X 24"
TYP. 5
R1 310 24" X 24"
R1 540 24" X 24"
TYP. 3
R1 790 24" X 24"
R1 440 24" X 24"
TYP. 2
R1 840 24" X 24"
R1 240 24" X 24"
16Ø SA 18Ø SA
14Ø SA 18Ø SA
FSD
FSD FSD FSD FSD
FSDFSD
FSD FSD FSD
6x8 SA x1
SA
8x8 SA 12x12 SA
R1 240 24" X 24"
R1 680 24" X 24"
A1 120 6"
A1 150 8" Ø
TYP. 2
10x10 SA
8x
SA
8x
S A x1
SA
10x8 SA
R1 240 24" X 24"
8x8 SA
8x x1 x1
8x
8x
8x
8x
8x8 SA
8x
SA
8x
8x
8x8 SA 14x10 SA
8x8 SA
6Ø S
A x1
10x10 SA 8x8 SA
10x8 SA 10x10 SA 8x8 SA
10x10 SA
8Ø S
A12Ø PSAH
14Ø PSAC
10Ø PSAH
12Ø PSAC
10x10 SA
8x
S A x8
S A x1
SA
16x16 RA
Ø
P
SA
C
10Ø PSAH
12Ø PSAC
10x8 RA 12x12 RA
14Ø SA
12Ø SA14Ø SA
12Ø SA
12x10 RA
12x12 SA
12x10 RA
14x14 RA x1
0 R A
Ø
S A x8 x1
10x8
Ø
Ø 10Ø PSAC
8Ø PSAH
Ø
Ø 8x x8 x8
Ø
Ø
Ø
Ø8x
8x
Ø
Ø x8 x8
8Ø
8Ø
Ø
8Ø x8
6x6
Ø
P
SA
H
6x
10Ø PSAH
12Ø PSAC
Ø
Ø
12Ø SA
x1
SA
6Ø x1
6x
R A
12x12 RA
Ø
8Ø10 Ø
Ø
Ø
8x
Ø
Ø
8x
8x
Ø
Ø
Ø
Ø x1
8Ø P
SA
H
8Ø P
SA
C
8Ø
8Ø
12x12
6x6 x1
R
A
6x6
8x8
12x8 x1 x1 x1
6x
8x
S A
18Ø PSAC
Ø
Ø
Ø
P
SA
H
Ø P
SA
C
6Ø
6Ø x8
14Ø SA
x1 x1 x1
8x x1
VAV-4-14
VAV-4-14
10Ø
A3 600 14" X 10"
12x10
FD
VAV-4-14
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
TRINITY - IT
ROOM HVAC
UPGRADES
MECHANICAL NEW WORK PLAN - 4TH FLOOR
SCALE: 1/8" - 1'-0"
A. REFER TO CURRENT TEXAS WORKFORCE COMMISSION STANDARD CONSTRUCTION
SPECIFICATIONS FOR ADDITIONAL MATERIAL AND INSTALLATION INFORMATION.
B. REFER TO SCHEDULES, SEQUENCE OF OPERATION, AND DETAILS FOR ADDITIONAL
INFORMATION.
C. COORDINATE WITH TWC STAFF FOR UTILITY OUTAGES REQUIRED FOR BUILDING
WORK.
D. 120V POWER FOR CONTROL SYSTEM TO BE PROVIDED BY ELECTRICAL
CONTRACTOR. CONTROLS CONTRACTOR IS RESPONSIBLE FOR PROVIDING AND
INSTALLING CONTROLS COMPONENTS, CONTROL AND LOW VOLTAGE WIRING AND
REQUIRED CONDUIT.
E. PROVIDE SINGLE INLET VAV UNITS WITH ONE NEW CONTROLLER AND DDC
THERMOSTAT EACH. INTEGRATE INTO EXISTING BAS SYSTEM.
F. ALL DUCTWORK FROM THE AHU TO A TERMINAL UNIT SHALL BE MEDIUM PRESSURE
DUCTWORK. ALL DUCTWORK AFTER THE TERMINAL UNIT SHALL BE LOW PRESSURE
DUCTWORK. RETURN DUCTWORK TO BE MEDIUM PRESSURE.
G. COORDINATE AND INSTALL TERMINAL UNITS WITH 24" MINIMUM CLEARANCE DEPTH
AT CONTROLS ACCESS ENCLOSURES.
GENERAL NOTES:
KEYED NOTES: X
1. INSTALL NEW VAV TERMINAL UNIT WITH ASSOCIATED CONTROL COMPONENTS.
INTEGRATE UNIT INTO EXISTING BUILDING AUTOMATION SYSTEM (BAS).
2. ELECTRICAL CONTRACTOR TO CONNECT NEW VAV TERMINAL UNIT TO EXISTING
ELECTRICAL CIRCUIT SERVING TERMINAL UNITS ON THIS FLOOR.
3. INSTALL 1.5-HR FIRE DAMPER IN SUPPLY AIR DUCT PENETRATIONS. PROVIDE
ACCESS PANELS. INSTALL ALL FIRE DAMPERS IN STRICT ACCORDANCE WITH
MANUFACTURER'S INSTRUCTIONS IN ORDER TO MAINTAIN U.L. APPROVAL OF THE
ASSEMBLY. ASSEMBLY SHALL BE RATED ACCORDING TO THE WALL RATING.
INSTALL A FIRE DAMPER ACCESS DOOR AT EACH DAMPER AND LABEL ACCESS
DOOR.
1 2
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CO
AutoCAD SHX Text T
AutoCAD SHX Text
CONFIDENCE AND SHALL NOT BE MADE AVAILABLE,
AutoCAD SHX Text
EXCEPT AS MAY BE OTHERWISE PROVIDED BY CONTRACT,
AutoCAD SHX Text
THESE DRAWINGS AND SPECIFICATIONS ARE PROPERTY
AutoCAD SHX Text
OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
AutoCAD SHX Text
REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
AutoCAD SHX Text
INTENDED PURPOSE, OR AS BASIS FOR MANUFACTURE
AutoCAD SHX Text
OR SALE OF APARATUS WITHOUT WRITTEN PERMISSION.
AutoCAD SHX Text
CONFIDENTIAL AND PROPRIETARY
AutoCAD SHX Text
SHEET NUMBER:
AutoCAD SHX Text
SHEET NAME:
AutoCAD SHX Text
PROJECT NUMBER:
AutoCAD SHX Text
ISSUE DATE:
AutoCAD SHX Text
REVISIONS:
AutoCAD SHX Text
SEAL(S) / CONSULTANT:
AutoCAD SHX Text
CLIENT / PROJECT NAME:
AutoCAD SHX Text 21-1062.00
AutoCAD SHX Text
OCTOBER 31, 2025
AutoCAD SHX Text
4TH FLOOR NEW WORK PLAN
AutoCAD SHX Text
PLAN NORTH
M2.3
MECHANICAL CHASE
Elevator 2 Elevator 3
JAN
CORR
OPEN OFFICE
STO
IT
CLOSET
504F
STO
OPEN OFFICE
506B
OFFICE
506A
OFFICE
504A
CONFERENCE
504B
OFFICE
504C
OFFICE
504K
WORK
504E
OFFICE
512A
OFFICE
512B
CONFERENCE
512C
OFFICE
512D
OFFICE
526A
OFFICE
526B
OFFICE
NETWORK
504G
OFFICE
504F
OFFICE
512I
BREAK
512H
OFFICE
512G
OFFICE
512F
OFFICE
512E
OFFICE
526D
OFFICE
CORR501
CORR
CORR
530B
OPEN OFFICE
530A
OPEN OFFICE
MECHANICAL
STAIR
LOBBY
STAIR
WOMEN
MEN
18Ø PSAH
20Ø PSAC18Ø PSAC
Ø P
SA
C
26Ø SA
Ø
S A
24Ø SA
Ø
P
SA
H
20x18 RA18x18 RA x2
R
A
16x12 RA
20x16 RA
VAV-5-1
VAV-5-4
VAV-5-2
VAV-5-3
VAV-5-5
VAV-5-6
VAV-5-7
VAV-5-8
VAV-5-10
VAV-5-11
VAV-5-9VAV-5-12 VAV-5-13
DDVAV-5-1
DDVAV-5-2
DDVAV-5-3
DDVAV-5-4
DDVAV-5-5 DDVAV-5-6 DDVAV-5-7
DDVAV-5-8
A1 190 8" Ø
A1 195 8" Ø
TYP. 2
A1 180 8" Ø
TYP. 2
A2 145 7" Ø
TYP. 6
A1 135 6"
TYP. 8
A1 110 6" Ø
TYP. 4
A1 130 6"
TYP. 2
A1 105 6" Ø
R1 390 24" X 24"
R1 360 24" X 24"
R1 1080 24" X 24"
R1 105 24" X 24"
R1 260 24" X 24"
A1 180 8" Ø
TYP. 2
R1 360 24" X 24"
A1 140 8" Ø
A2 90 7" Ø
TYP. 3
R1 270 24" X 24"
R1 180 24" X 24"
A2 130 7" Ø
TYP. 2
R1 260 24" X 24"
R1 300 24" X 24"
R1 620 24" X 24"
A2 155 7" Ø
TYP. 4
R1 250 24" X 24"
A2 115 7" Ø
TYP. 2
R1 230 24" X 24"
R1 260 24" X 24"
R1 195 24" X 24"R1 195
24" X 24"
A2 195 8" Ø
A1 195 8" Ø
A1 135 6"
R1 195 24" X 24"
R1 135 24" X 24"
A1 205 8"
R1 205 24" X 24"
A1 145 8" Ø
R1 145 24" X 24"
A1 200 8" Ø
R1 200 24" X 24"
A1 120 6" Ø
TYP. 2
R1 200 24" X 24"
A1 120 6" Ø
TYP. 2
R1 240 24" X 24"
A1 120 6" Ø
TYP. 2
A1 240 6" Ø
A2 270 X"
TYP. 5
R1 630 24" X 24"
TYP. 2
A2 335 10"
TYP. 4
R1 240 24" X 24"
R1 240 24" X 24"
R1 950 24" X 24"
R1 630 24" X 24"
DDVAV-5-1
DDVAV-5-2
VAV-5-7
VAV-5-5
VAV-5-6
DDVAV-5-3
DDVAV-5-4
DDVAV-5-5
DDVAV-5-6
DDVAV-5-7
DDVAV-5-8
VAV-5-2
VAV-5-3
VAV-5-4
VAV-5-1
VAV-5-8
VAV-5-10
VAV-5-11
VAV-5-9VAV-5-12 VAV-5-13
12x12 SA 10x10 SA
12x12 x8
S A x1
SA
x1
SA
x1
SA
8x
SA
x8
S A
10x8 SA 12x10 SA 8x8 SA 8x8 SA 8x8 SA 8x8 SA x8
S A x8
S A x8
S A x8
S A
6x
SA
12x12 SA 8x8 SA18x12 SA
12x12 SA
FSD
R1 1310 24" X 24" x3
SA
x3
R
A
6x8 SA
A1 90 6" Ø
8x8 SA x1
SA
A2 150 7" Ø
TYP. 2
x1
SA
8x8 SA
A2 125 7" Ø
TYP. 2
A2 130 7" Ø
TYP. 2
A2 125 7" Ø
TYP. 2
10x10 SA
A2 195 8" Ø
A1 90 6" Ø
16Ø PSAH
R1 250 24" X 24"
FSD
FSD FSD FSD
FSDFSD
FSD
R1 140 24" X 24" x1
R
A
12x10 RA
12x6 RA x1
R
A
20Ø SA
x3
PS
AH
x3
PS
AC
x3
R
A
18x12 SA18Ø SA
20Ø PSAH
22Ø PSAC
FSD
FSDFSD
FSD
x8
Ø
8x
Ø
Ø
8x
8x
Ø
Ø
8x8 RA
Ø x1
Ø
Ø
Ø
Ø
8x
8x
8x8
8x
8x
6x6
14x10
8x 66x
8x
10x8 8Ø
10Ø
8x6
8x8
8Ø
16x12
10Ø 12Ø
6x6
Ø
P
SA
H
Ø
P
SA
C
Ø
16Ø16x12 x1
R
A
8x8 RA x6
R A
10x8
Ø
S A 10
Ø S
A
Ø8Ø
14Ø SA
x1 x1
Ø
8x
SA
12x10
24x16 RA
Ø
8Ø SA
8x
8Ø
10x8
FSD
VAV-5-15
VAV-5-15
10Ø
A1 500 12" Ø
12Ø x1
FD
FD
VAV-5-14
VAV-5-14
A3 600 14" X 10"
FD
8Ø
Ø
10Ø x1
FD
R3 - 14" X 10"
VAV-5-14
VAV-5-15
R1 - 10" X 10"
R1 - 10" X 10"
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
TRINITY - IT
ROOM HVAC
UPGRADES
MECHANICAL NEW WORK PLAN - 5TH FLOOR
SCALE: 1/8" - 1'-0"
A. REFER TO CURRENT TEXAS WORKFORCE COMMISSION STANDARD CONSTRUCTION
SPECIFICATIONS FOR ADDITIONAL MATERIAL AND INSTALLATION INFORMATION.
B. REFER TO SCHEDULES, SEQUENCE OF OPERATION, AND DETAILS FOR ADDITIONAL
INFORMATION.
C. COORDINATE WITH TWC STAFF FOR UTILITY OUTAGES REQUIRED FOR BUILDING
WORK.
D. 120V POWER FOR CONTROL SYSTEM TO BE PROVIDED BY ELECTRICAL
CONTRACTOR. CONTROLS CONTRACTOR IS RESPONSIBLE FOR PROVIDING AND
INSTALLING CONTROLS COMPONENTS, CONTROL AND LOW VOLTAGE WIRING AND
REQUIRED CONDUIT.
E. PROVIDE SINGLE INLET VAV UNITS WITH ONE NEW CONTROLLER AND DDC
THERMOSTAT EACH. INTEGRATE INTO EXISTING BAS SYSTEM.
F. ALL DUCTWORK FROM THE AHU TO A TERMINAL UNIT SHALL BE MEDIUM PRESSURE
DUCTWORK. ALL DUCTWORK AFTER THE TERMINAL UNIT SHALL BE LOW PRESSURE
DUCTWORK. RETURN DUCTWORK TO BE MEDIUM PRESSURE.
G. COORDINATE AND INSTALL TERMINAL UNITS WITH 24" MINIMUM CLEARANCE DEPTH
AT CONTROLS ACCESS ENCLOSURES.
GENERAL NOTES:
KEYED NOTES: X
1. INSTALL NEW VAV TERMINAL UNIT WITH ASSOCIATED CONTROL COMPONENTS.
INTEGRATE UNIT INTO EXISTING BUILDING AUTOMATION SYSTEM (BAS).
2. ELECTRICAL CONTRACTOR TO CONNECT NEW VAV TERMINAL UNIT TO EXISTING
ELECTRICAL CIRCUIT SERVING TERMINAL UNITS ON THIS FLOOR.
3. INSTALL 1.5-HR FIRE DAMPER IN SUPPLY AND RETURN AIR DUCT PENETRATIONS.
PROVIDE ACCESS PANELS. INSTALL ALL FIRE DAMPERS IN STRICT ACCORDANCE
WITH MANUFACTURER'S INSTRUCTIONS IN ORDER TO MAINTAIN U.L. APPROVAL OF
THE ASSEMBLY. ASSEMBLY SHALL BE RATED ACCORDING TO THE WALL RATING.
INSTALL A FIRE DAMPER ACCESS DOOR AT EACH DAMPER AND LABEL ACCESS
DOOR.
1 2
1 2
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CO
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CO
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CONFIDENCE AND SHALL NOT BE MADE AVAILABLE,
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EXCEPT AS MAY BE OTHERWISE PROVIDED BY CONTRACT,
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THESE DRAWINGS AND SPECIFICATIONS ARE PROPERTY
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OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
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REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
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INTENDED PURPOSE, OR AS BASIS FOR MANUFACTURE
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OR SALE OF APARATUS WITHOUT WRITTEN PERMISSION.
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CONFIDENTIAL AND PROPRIETARY
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SHEET NUMBER:
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SHEET NAME:
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PROJECT NUMBER:
AutoCAD SHX Text
ISSUE DATE:
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REVISIONS:
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SEAL(S) / CONSULTANT:
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CLIENT / PROJECT NAME:
AutoCAD SHX Text 21-1062.00
AutoCAD SHX Text
OCTOBER 31, 2025
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5TH FLOOR NEW WORK PLAN
AutoCAD SHX Text
PLAN NORTH
M2.4
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit. This document is released under the authority of:
Registrant's Name:
Serial No.
State of Registration Firm Registration No.
EEA Project No.
6615 Vaught Ranch Road #100 Austin, Texas 78730-2314 USA
512.744.4400 main - 512.744.4444 fax www.eeace.com
CONSULTING
ENGINEERS
P20250347
F-2497
TX
TRINITY - IT
ROOM HVAC
UPGRADES
SUPPLY DUCT WITH EXTERNAL INSULATION (TYP.)
CONICAL BELL-MOUTH SPIN-IN FITTING
WITH VOLUME DAMPER & TRANSITION
VOLUME DAMPER WITH HORIZONTALLY MOUNTED SHAFT
SQUARE TO ROUND ADAPTER
WHERE REQUIRED
90 DEG. SMOOTH RADIUS
SHEET METAL ELBOW
INSULATED FLEXIBLE DUCT - INSIDE DIAMETER SAME AS
SCHEDULED DIFFUSER NECK SIZE MAX LENGTH = 5'-0"
1. IN LIEU OF SHEET METAL ELBOW,
FLEX DUCT MAY BE EXTENDED TO THE
DIFFUSER. USE THERMAFLEX
"FLEXFLOW" ELBOW HARNESS,
SUSPENDED FROM STRUCTURE.
KEYED NOTES:
AutoCAD SHX Text
CONFIDENCE AND SHALL NOT BE MADE AVAILABLE,
AutoCAD SHX Text
EXCEPT AS MAY BE OTHERWISE PROVIDED BY CONTRACT,
AutoCAD SHX Text
THESE DRAWINGS AND SPECIFICATIONS ARE PROPERTY
AutoCAD SHX Text
OF THE CLIENT LISTED, AND ARE ISSUED IN STRICT
AutoCAD SHX Text
REPRODUCED, OR COPIED, OR USED FOR ANY OTHER
AutoCAD SHX Text
INTENDED PURPOSE, OR AS BASIS FOR MANUFACTURE
AutoCAD SHX Text
OR SALE OF APARATUS WITHOUT WRITTEN PERMISSION.
AutoCAD SHX Text
CONFIDENTIAL AND PROPRIETARY
AutoCAD SHX Text
SHEET NUMBER:
AutoCAD SHX Text
SHEET NAME:
AutoCAD SHX Text
PROJECT NUMBER:
AutoCAD SHX Text
ISSUE DATE:
AutoCAD SHX Text
REVISIONS:
AutoCAD SHX Text
SEAL(S) / CONSULTANT:
AutoCAD SHX Text
CLIENT / PROJECT NAME:
AutoCAD SHX Text 21-1062.00
AutoCAD SHX Text
OCTOBER 31, 2025
AutoCAD SHX Text
MECHANICAL SCHEDULES & DETAILS
AutoCAD SHX Text
AutoCAD SHX Text
CEILING DIFFUSER CONNECTION
AutoCAD SHX Text N.T.S.
AutoCAD SHX Text
CEILING DIFFUSER - INSULATE DIFFUSER TOP
AutoCAD SHX Text X
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AutoCAD SHX Text SECURE FLEXIBLE DUCT WITH S.S. SCREW CLAMP AND SEALER - BOTH INNER AND OUTER JACKETS
M3.0
78701
DRAWN BY:
CHECKED BY:
Mark E. Mikulin
107561
PRELIMINARY
Not Intended for Construction, Bidding or Permit.
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