VA WPB Cancer Center RTU-3 - AHU Performance reportR1.pdf
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- Solicitation number
- 36C24826Q1106
About this file
This document is a York Air Handling Unit (AHU) Performance Report for the VA WPB Cancer Center RTU-3 project. The report provides comprehensive technical specifications for a single outdoor-rated XTO-57x66 model unit with a 7,100 CFM airflow capacity and operating weight of 4,424 lbs at sea level altitude.
The unit features enhanced thermal performance construction with high humidity outdoor air (OA) capability and comprises seven segments in sequence: Mixing Box (MB), Rigid Filter (RF), Cooling Coil (CC), Fan Supply (FS), Access (XA), HEPA Filter (HF), and Discharge Plenum (DP). All major casing segments utilize 2-inch foam insulation with champagne urethane exterior paint (3,500-hour rating), 16-gauge G-90 galvanized steel exterior, and 20-gauge 304 stainless steel interior. The cooling coil operates at 112.5 gpm fluid flow with entering fluid temperature of 44°F and leaving temperature of 56°F, achieving air cooling from 93°F dry bulb to 52.5°F. The supply fan is a Lau DDPG2 direct-drive unit powered by a 15 HP Baldor premium efficiency motor operating at 1,800 RPM, delivering 7,100 CFM at 8.09 inches water gauge total static pressure. The unit includes a pre-filter (MERV 8) and primary filter (MERV 14) in the RF segment, an 11.5-inch HEPA filter (99.97% efficiency) in the HF segment, UV surface decontamination lighting in the CC segment, and a CD50 aluminum airfoil control damper in the MB segment. Electrical requirements include 460/3/60V service at 18.1 FLA for the main disconnect with 40 AMP maximum overcurrent protection, plus 120/1/60V circuits for UV and control components. The unit ships at 4,129 lbs and measures 187 inches length, 78 inches width, and 69 inches height on the shipping skid, with an overall cabinet footprint of 181 inches by 66 inches width and 57 inches height.
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Other files
| File | Type | Posted |
|---|---|---|
| 36C24826Q1106_2.docx | DOCX document | |
| York Unit Description - VA WPB Cancer Center RTU-3 8.14.25.docx | DOCX document | |
| VA WPB Cancer Center RTU-3 DrawingREV08-15.pdf | ||
| 36C24826Q1106_1.docx | DOCX document | |
| ANSWERS TO CONTRACTOR QUESTIONS.pdf | ||
| 3- PAST PERFORMANCE QUESTIONNAIRE.docx | DOCX document | |
| 3a- PAST PERFORMANCE QUESTIONNAIRE.pdf | ||
| 1- Combined Synopsis.pdf | ||
| 36C24826Q1106.docx | DOCX document | |
| 2- Statement of Work RTU Replacement Unit.pdf |
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Job Summary Project Name: VA WPB Cancer Center RTU-3 Unit Tag(s): RTU-3 Quantity: 1 Environment: Outdoor
Unit Overview Model Airflow (CFM) Altitude (ft) Operating Weight (lbs)
XTO-57x66 7,100 0 4,424
Segment Sequence
(DP HF XA FS CC RF MB)
Unit Construction Casing Details
Segment(s) Thickness
(in) Exterior Paint Exterior Gauge and Material Interior Gauge and
Material
Insulation Thickness and
Material
Mylar Lining
Thermal Break
Bulkhead Material
MB, XA, DP 2"
Champagne
Urethane 3,500 Hr
16 Ga. G-90 Galvanized
20 Ga. 304 Stainless 2" Foam - - None
RF, CC, FS 2"
Champagne
Urethane 3,500 Hr
16 Ga. G-90 Galvanized
20 Ga. 304 Stainless 2" Foam - - Galvanized
Steel
HF 2"
Champagne
Urethane 3,500 Hr
16 Ga. G-90 Galvanized
20 Ga. 304 Stainless 2" Foam - - Stainless
Steel, 304
Base Details Segment(s) Material Paint
MB, RF, CC, FS, XA, HF, DP 6" Formed Steel Champagne Urethane 3,500 Hr Floor Details
Segment(s) Gauge and Material Paint Insulation Thermal Break Attachment Sub-Floor Gauge and Material
MB, RF, CC, FS, XA, HF, DP 20 Ga. 304 Stainless None 2" - Screw Down None
Notes Enhanced Thermal Performance construction.
High Humidity OA construction.
A curb rest will be provided with the unit.
Air Handling Unit Performance Report
Project Name: VA WPB Cancer Center RTU-3 Last Saved: 07/24/2025-01:59:36 PM (UTC) Estimate Name: Unknown Software Version: 2025.06.25.004
Unit Electrical Circuit Details
# Component(s) V/Ph/Hz Full Load Amps (FLA) Minimum Current Ampacity (MCA)
Maximum Overcurrent Protection (MOP)
1 FS External Wired Disconnect-1 (on FS) 460/3/60 18.1 22.63 40
2 CC UV Light Panel 120/1/60 1.24 15 15 3 Light Switch (on FS) 120/1/60 - - 15
Electrical Details Minimum Unit SCCR 50 kA rms Symmetrical ETL Label (UL1995/NEC-2002) Yes
Unit Light Type Light Switch Enclosure LED Outdoor
Air Handling Unit Performance Report
Project Name: VA WPB Cancer Center RTU-3 Last Saved: 07/24/2025-01:59:36 PM (UTC) Estimate Name: Unknown Software Version: 2025.06.25.004
Supply Fan(s) Performance Details
Fan Manufacturer Model # Blades Class Size % Wheel
Width % Wheel Diameter Quantity Airflow per Fan
(CFM) Altitude (ft) TSP (in w.g)
ESP (in w.g)
Fan Speed
(RPM)
Fan Power
(BHP)
Lau DDPG2 12 II 245 80 100 1 7,100 0 8.09 3.00 2,100 13.96
Max RPM Wheel Type
Blade Type
Wheel Material Base Material Fan Flow
Isolation AirFlow
Monitoring Inverter Drive
Balancing Isolation Type Thrust Restraints
2,269 SWSI Airfoil Aluminum Galvanized Steel None Yes (K=3092.00) - 2" Spring Yes
Drive Type FEI FEP (KW) Inlet Screen Fan Cage Fan Stand Motor Removal Rail Seismic Snubber
Direct Drive 1.23 11.24 - - - - - Motor Details
Type / MFG Motor Power (HP) V/Ph/Hz Quantity Insulation Class RPM Frame Size FLA (Amps) Efficiency Location SGR
TEFC / Baldor 15.0 460/3/60 1 H 1,800 254T 18.10 Premium Right Yes At Motor Synchronous Details
TSP (in w.g.) Total Air Flow (CFM) Fan Speed (RPM) Fan Power (BHP)
5.71 5,967 1,765 8.29
Notes Certified by the AHRI Central Station Air-Handling Unit (AHU) Certification Program, based on AHRI Standard 430/431. AHRI certified units are subject to rigorous and continuous testing, have performance ratings independently measured and are third-party verified. Certified units may be found in the AHRI Directory at www.ahridirectory.org Per California Energy Code (C.E.C.), Title 20, the selected fan ratings are only approved for use in equipment outside the state of California. Buyer assumes all liability for non-compliance of the noted regulation.
Project Name: VA WPB Cancer Center RTU-3 Last Saved: 07/24/2025-01:59:36 PM (UTC) Estimate Name: Unknown Software Version: 2025.06.25.004
Water Coil(s)
Coil Information Segment[Index] Coil Tag Coil Duty Fluid Type Airflow (cfm) Flow Direction Density Altitude (ft)
CC[1] - Cooling Water 7100 Horizontal Standard 0 Coil Bank Configuration
Segment[Index] Tube Diameter
(in) Fin Type
Total Fin Height (in)
Fin Length per Coil (in)
Face Velocity (fpm)
Stacking Rack Material Coils High Coils
Wide Coil
Configuration
Coil Stagger
(in)
Coil Pull Panel
CC[1] 0.500
Corrugated 47.50 54.00 399 - 1 1 Standard 0 Right Side
Airside Performance Segment[Index] EAT-DB (°F) EAT-WB (°F) LAT-DB (°F) LAT-WB (°F) TMBH SMBH Air Pressure Drop (in w.g.)
CC[1] 93.0 80.0 52.5 52.2 675 314 0.58
Fluidside Performance
Segment[Index] EFT (°F) LFT (°F) Fluid Velocity (fps) Fluid Flow (gpm) Fluid Pressure
Drop (ft) Rows Tubes Per Circuit Reynolds Number
CC[1] 44.0 56.0 3.9 112.5 10.5 8 6 11322
Fin and Tube Configuration
Segment[Index] Fin Thickness (in) / Material Fin Spacing (fpi)
Tube Thickness
(in) Turbulators Return Bend
Thickness Casing Material Coil Coating Fouling Factor (hr.ft².°F/BTU)
CC[1] 0.008 Aluminum 9 0.016 No 0.016 Stainless Electro Fin UV - Header and Connection Configuration
Segment[Index] Header Material
Connection Material
Connection Diameter (in)
Connection Offset (in)
Connection Type Connection Location/Rotation
CC[1] Red Brass Red Brass 2.5 0 MPT Right Other Performance
Segment[Index] Dry Weight (lbs) Fluid Weight (lbs) Internal Volume (ft³)
CC[1] 369 135 2.2
Notes
● Performance is shown for the entire coil bank. Performance is not per coil.
● Coil index indicates position in segment. Example: CC-1, index 1; Spacer, index 2; CC-1, index 3
● Ratings are for coils manufactured by Johnson Controls, Inc., 507 E. Michigan St., Milwaukee WI 53202.
● CC[1]: AHRI Certified:Yes.Certified in accordance with the AHRI Forced-Circulation Air-Cooling and Air-Heating Coils Certification Program, which is based on AHRI Standard 410 within the Range of Standard Rating Conditions listed in Table 1 of the Standard. Certified units may be found in the AHRI Directory at www.ahridirectory.org.
● All Coils: BDW Tube Spacing: 1.25 x 1.08
● All Coils: Coil Dll Version: 8.11
● CC[1]: Note: When Conditions that produce condensate exist, coil face velocities above 467 fpm may result in condensate carryover.
Project Name: VA WPB Cancer Center RTU-3 Last Saved: 07/24/2025-01:59:36 PM (UTC) Estimate Name: Unknown Software Version: 2025.06.25.004
Drain(s) Details
Segment Drain Pan
Liner Material Connection Location Liner Coating
CC Stainless Steel, 304 Right None
UV
UV Surface Decontamination Details
Segment Manufacturer Total Watts Amps V/Ph/Hz Radiometer
CC V-Max 149 1.24 120/1/60 -
Filter(s)
Segment Type Depth Filter Loading Media/MERV # of Spares Spare Filter Media Frame Material
RF Pre Filter 2" Side Pleated 30% Efficiency
(MERV 8) - -
Galvanized Steel RF Primary Filter 4" Side Mini Pleat 90% Efficiency
(MERV 14) - -
HF Primary Filter 11.5 Upstream HEPA 99.97% Efficiency (Gasket Seal) - - Stainless Steel, 304
Sizes Filter Gauge Details Segment Filter 1st Filter Size H x W
(in) 1st Qty 2nd Filter Size H x W
(in) 2nd Qty Location Type Range
(in w.g) RF Pre Filter 24x12 6 24x20 2
Door Combined Minihelic 0 - 2.0 RF Primary Filter 24x12 6 24x20 2 HF Primary Filter 23.375x11.375 6 23.375x19.375 2 Door Minihelic 0 - 2.0
Notes HEPA filters are sized as listed above (actual). All other filter types shown are nominal size.
Damper(s)
Segment Air Path H x W (in) Qty Total Face Velocity (ft/min)
Face Area (ft²)
Airflow
(CFM)
Min Airflow Measurement
(CFM)
Type Config Model Material Blade
Orientation
MB Outside Air 26.75 x
32.00 1 1,194 5.9 7,100 - Control 100% CD50 Galvanized Parallel
Hood(s) Details
Segment Air Path Quantity H x W x D(in) Face Velocity (ft/min) Airflow (CFM) Moisture Eliminator Bird Screen Weight (lbs)
MB Outside Air 1 37.38 x 35.70 x
29.00 987 7,100 - Yes 87
Notes
Air Handling Unit Performance Report
Project Name: VA WPB Cancer Center RTU-3 Last Saved: 07/24/2025-01:59:36 PM (UTC) Estimate Name: Unknown Software Version: 2025.06.25.004
Hoods ship loose
Door(s) Details
Segment(s) Location Swing Hinge Location H x W x T (in) View Port ViewPort
Wire Test Port
Spare Gasket
Thermal Break Fastener Type Safety
Latch
Noncontact Safety
Interlock MB Right Outward Front 51 x 18 x 2 None - - - - Plated - Yes RF Right Outward Front 51 x 10 x 2 None - - - - Plated - Yes CC Right Outward Rear 51 x 18 x 2 None - - - Yes Plated - Yes FS Right Outward Rear 51 x 22 x 2 None - - - Yes Plated Yes Yes XA Right Outward Front 51 x 18 x 2 None - - - Yes Plated Yes Yes
Motor Control(s) External Wired Disconnect Details
Served Segment V/Ph/Hz Amps Enclosure Disconnect Type Fuse Size Auxiliary Contacts FS 460/3/60 18.1 NEMA 3R Non-Fused - -
Use Copper Conductors Only. Do not use aluminum wire.
Face Velocity and Static Pressure Summary
Segment Description Face Area (ft²) Airflow
(CFM)
Face Velocity (ft/min)
Supply Fan Static Pressure
(in w.g.)
Exhaust/Return Fan Static Pressure (in w.g.)
MB CD50 (Control Damper 50 - Aluminum Airfoil) 5.9 7,100 1,194 0.05 0.00 MB Outside Air Opening 5.9 7,100 1,194 0.24 0.00 MB Standard Hood 7.2 7,100 987 0.04 0.00 MB Bird Screen 7.2 7,100 987 0.10 0.00 RF 2" Pleated 30% Efficiency (MERV 8) 18.7 7,100 380 0.20 0.00 RF Dirty Filter Allowance - Pre Filter 0.0 0 0.50 0.00 RF 4" Mini Pleat 90% Efficiency (MERV 14) 18.7 7,100 380 0.45 0.00 RF Dirty Filter Allowance 0.0 0 0.50 0.00 CC Cooling - 8 Row - 9 Fins Per Inch 17.8 7,100 399 0.58 0.00 CC UV Lights 0.0 7,100 0 0.03 0.00 FS External Static - User Entered 0.0 0 3.00 0.00 HF 12" HEPA 99.97% Efficiency (MERV 17) 17.4 7,100 409 1.11 0.00 HF Dirty Filter Allowance 0.0 0 0.50 0.00 DP Safety Cover 4.2 7,100 1,690 0.31 0.00 DP Supply Air Opening 4.2 7,100 1,690 0.48 0.00
Total 8.09 0.00
Air Handling Unit Performance Report
Project Name: VA WPB Cancer Center RTU-3 Last Saved: 07/24/2025-01:59:36 PM (UTC) Estimate Name: Unknown Software Version: 2025.06.25.004
Dimensions and Weight
Segment Description Length1 (in) Height (in) Width2 (in) Weight3 (lbs) MB Mixing Box 24 57 66 644 RF Rigid Filter 10 57 66 227 CC Cooling Coil 49 57 66 1,267 FS Fan (Supply) 40 57 66 1,122 XA Access 18 57 66 241 HF HEPA Filter 22 57 66 475 DP Discharge Plenum 18 57 66 448
Overall 181
Notes ¹The length includes bottom tier segments only.
²The width does not include coil connection extensions or door latches that extend beyond the unit casing. The width does not include the depth of any pipe chases.
³See Shipping Summary for notes on weights.
Project Name: VA WPB Cancer Center RTU-3 Last Saved: 07/24/2025-01:59:36 PM (UTC) Estimate Name: Unknown Software Version: 2025.06.25.004
Recommended Trap Height
Segment Applicable Fan Fan TSP (in w.g.) Positive or Negative Calculated Dimensions (in) Recommended Dimensions (in) Base Rail
Height (in) H X H + X H H + X
CC Supply Fan 8.09 Negative 7.19 3.60 10.78 7.25 10.75 6
Formulas and calculations are recommendations only. Contractor shall determine actual dimensions required for each trap based on jobsite conditions, and application requirements.
Refer to the Installation Manual of the IOM for more information.
Statement of Compliance
Air Handling Unit AHU's meet IBC seismic requirements for non-critical equipment (Ip = 1.0) for locations with design spectral response Sds <= 0.43.
Units must be rigid mounted.
The anchorage of the unit to the ground or building structure needs to be evaluated by and is the responsibility of the engineer of record.
Specification of seismic requirements is the responsibility of the project design engineer. If formal certification is required, please contact your sales representative and/or application engineer for review. Certain application and site requirements may require additional cost and/or lead time.
Component locations are listed as Segment Hand (Unit Hand): ex. Left (Right). See Submittal Drawing for additional details.
Air handling unit parameters vary depending on conditions. Parameters such as airflows, air pressure drops, and coil capacities are shown for design conditions.
Air Handling Unit Performance Report
Project Name: VA WPB Cancer Center RTU-3 Last Saved: 07/24/2025-01:59:36 PM (UTC) Estimate Name: Unknown Software Version: 2025.06.25.004
Shipping Summary
Skid Skid Length (in) Skid Height (in) Skid Width (in) Shipping Weight (lbs) Operating Weight (lbs)
DP HF XA FS CC RF MB 187 69 78 4,129 4,424
Weather Hood(s) N/A N/A N/A 87 N/A
Overall 4,424
Notes Skid Width: Total width of the shipping skid, including any items that may extend beyond the cabinet (this includes any door handles, coil connections, drain connections, lifting lugs, mounted pipe-chases, electrical/control components, tie-down brackets, side dampers).
Skid Height: Total height of the shipping skid, including any items that may extend beyond the cabinet (this includes any base-rails, shipping wood-blocks, roof peak, discharge flanges, mounted gas-furnace flue pipes).
Skid Length: Total length of the shipping skid, including any items that may extend beyond the cabinet (this includes any mounted rain-hoods, discharge flanges, tie-down brackets, shipping wood-blocks, front dampers, split connectors, electrical/control components, outrigging extensions, isolation dampers, inlet baskets).
Shipping Weight: Represents the estimated shipping weight with a tolerance of +/- 10% for values greater than 5,000 lbs. Values less than 5,000 lbs. may have higher percentage variation but not any consequential shipping impact. Shipping weight does not include ship loose and/or field-installed items but does include estimate for shipping materials and/or opening covers.
Operating Weight: Represents the estimated operational weight with a tolerance of +/- 10% for values greater than 5,000 lbs. Values less than 5,000 lbs. may have higher percentage variation. Operational weight estimate includes unit shell, internal components and structure, and known ship loose and/or field-installed items (weather hoods, pipe chases, factory-provided filter media and estimated fluid weight in coils). Actual operating weight will be heaver due to additional field installed materials including but not limited to field-provided filter media, piping, control devices, and/or inertia base concrete.
Project Name: VA WPB Cancer Center RTU-3 Last Saved: 07/24/2025-01:59:36 PM (UTC) Estimate Name: Unknown Software Version: 2025.06.25.004
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