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ALPHA AIR BALANCING AGENCY, INC.
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TEST AND BALANCE REPORT
APPLE COMPUTERS
RC07 FIRST FLOOR MARCOM EXPANSION
T.I. PACKAGE - PHASE 2
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PRESENTED TO: UNITED MECHANICAL, INC.
SUBMITTED BY: ROMY A. GONZALES
PROJECT NUMBER: 2011-3298
TEST
AND
BALANCE
REPORT
PROJECT: APPLE COMPUTERS
RC07 FIRST FLOOR MARCOM EXPANSION
T.I. PACKAGE- PHASE 2
LOCATION: 19310 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA
ARCHITECT: REEL GROBMAN & ASSOCIATES
MECHANICAL ENGINEER: UNITED MECHANICAL, INC.
MECHANICAL CONTRACTOR: UNITED MECHANICAL, INC.
TESTED AND BALANCED BY: ALPHA AIR BALANCING AGENCY, INC.
P.O. BOX 3948
CARMEL, CALIFORNIA 93921
TEL. # (831) 625-8195
FAX. # (831)625-8196
PROJECT CERTIFICATION
THIS IS TO CERTIFY THAT ALPHA AIR BALANCING AGENCY,INC.HAS BALANCED \ A�,pisq UTION
SYSTEM DESCRIBED HEREIN TO THEIR OPTIMUM PERFORMANCE AND CAP �1f 1 G ND
BALANCING HAVE BEEN PERFORMED IN ACCORDANCE WITH THE PLANS 7
RESULTS OF THESE TESTS ARE HEREIN LISTED.
CATION
3137
PROJECT NO: 2011-3298 CERTIFIED BY: 3131n2
DATE: 6/6/2011 RO 0
d A
SUPERVISING TES E ENGINEER
II
Table of Contents
General Notes & Abbreviations
AIR BALANCE 1-3
Air Moving Equipment Sheet AC-1 1
Air Distribution Report AC-1 (VAV-1 through VAV-3) Supply Air 2
Air Distribution Report AC-1 (VAV-4) Supply Air and Return Air 3
GENERAL NOTES
1. Unless otherwise noted, indicated CFM (Cubic Feet per minute)is at standard conditions.
2. Where no number is indicated under the velocity or FPM column, test readings were
measured with Alnor Balometer flowhood model 6461 which reads in direct CFM.
3. Flow instruments used for velocity and pressure readings:
• Rotating vane anemometer by Air Flow Model EDRA-6E.
• Air data multi-meter electronic micro manometer by Shortridge Instruments Model ADM-
870.
• Dwyer Magnehelic gauges&pilot tubes.
4. Any variances from design quantities are noted on the remarks column throughout this report.
ABBREVIATIONS USED
AC - AIR CONDITIONING
CD - CEILING DIFFUSER
CFM - CUBIC FEET PER MINUTE
FPM - FEET PER MINUTE
HP/BHP - HORSEPOWER/BRAKE HORSEPOWER
MAX - MAXIMUM
MIN - MINIMUM
N.S. - NOT SPECIFIED
RD. - ROUND
RPM - REVOLUTIONS PER MINUTE
SWR - SIDEWALL RETURN
SWS - SIDEWALL SUPPLY
VAV - VARIABLE AIR VOLUME
ALPHA AIR BALANCING AGENCY, INC.
P.O. BOX 3948, CARMEL, CALIFORNIA 93921-3948
Phone#(831)625-8195 Contractor's License#708453
AIR MOVING EQUIPMENT SHEET
DATE: 6/6/2011
PAGE: 1 OF 3
PROJECT NAME: APPLE COMPUTERS
RC07 FIRST FLOOR MARCOM EXPANSION T.I. PACKAGE- PHASE 2
ADDRESS: 19310 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA
SYSTEM: AIR CONDITIONING AC-1
EQUIPMENT NUMBER AC-1
LOCATION MECHANICAL PAD
MANUFACTURER TRANE
MODEL NUMBER TCH180E400BA
SERIAL NUMBER 111010273D
SPACE SERVED ROOMS 101, 101A, 102, 103
FAN DATA DESIGN ACTUAL DESIGN ACTUAL
TOTAL CFM-FAN 6000 5555
TOTAL CFM-OUTLET/INLET 6000 5555
RETURN AIR CFM 5125 4665
OUTSIDE AIR CFM 875 890
EXTERNAL STATIC PRESSURE 0.75" 1.22"
INLET PRESSURE NOT SPECIFIED -0.27"
DISCHARGE PRESSURE NOT SPECIFIED 0.95"'
FAN RPM NOT SPECIFIED 706
MOTOR DATA DESIGN ACTUAL DESIGN ACTUAL
MOTOR MANUFACTURER NOT SPECIFIED MARATHON
MOTOR HP/BHP 3.0 3.0
PHASE 3 3
VOLTAGE 460 490/490/490
AMPERAGE 4.6" 4.6/4.5/4.4
MOTOR RPM 1725 1750
BELT SIZE BX77
MOTOR SHEAVE/GROOVES 1 VL40 X 7/8"/1
FAN SHEAVE/GROOVES BK90 X 1 3/16"/1
REMARKS:
' High static needed for box VAV-4.
Service Factor= 1.15
Note: By-pass static setpoint is 1.1"
ALPHA AIR BALANCING AGENCY, INC.
P.O. BOX 3948, CARMEL, CALIFORNIA 93921
Phone#(831)625-8195 Contractor's License#708453
AIR DISTRIBUTION REPORT
DATE: 6/6/2011
PAGE: 20173
PROJECT NAME: APPLE COMPUTERS
RC07 FIRST FLOOR MARCOM EXPANSION T.I. PACKAGE- PHASE 2
ADDRESS: 19310 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA
SYSTEM: AC-1 (VAV-1 THROUGH VAV-3)SUPPLY AIR DISTRIBUTION
ROOM OUTLET DIFFUSER/NECK DESIGN CFM ACTUAL CFM NOTE
NUMBER NUMBER SIZES, TYPE MIN MAX MIN MAX
AC-1 SUPPLY AIR
VAV-1
103 1 16"RD., SWS 0 300 0 240
103 2 16"RD., SWS 0 300 0 310
103 3 16"RD., SWS 0 300 0 280
103 4 16"RD., SWS 0 300 0 310
TOTAL 0 1200 0 1140
VAV-2
103 1 16"RD., SWS 0 300 0 250 '
103 2 16"RD., SWS 0 300 0 310
103 3 16"RD., SWS 0 300 0 270
103 4 16"RD., SWS 0 300 0 300
TOTAL 0 1200 0 1130
VAV-3
102 1 16" RD., SWS 0 450 0 405
102 2 16" RD., SWS 0 450 0 415
102 3 16" RD., SWS 0 450 0 420
102 4 16" RD., SWS 0 450 0 410
102 5 16"RD., SWS 0 450 0 405
102 6 16"RD., SWS 0 450 0 410
TOTAL 0 2700 0 2465
REMARKS:
Exposed ductwork in common room with no balancing dampers.
V
ALPHA AIR BALANCING AGENCY, INC.
P.O. BOX 3948, CARMEL, CALIFORNIA 93921
Phone#(831)625-8195 Contractor's License#708453
AIR DISTRIBUTION REPORT
DATE: 6/6/2011
PAGE: 3 OF 3
PROJECT NAME: APPLE COMPUTERS
RC07 FIRST FLOOR MARCOM EXPANSION T.I. PACKAGE- PHASE 2
ADDRESS: 19310 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA
SYSTEM: AC-1 (VAV-4)SUPPLY AIR AND RETURN AIR DISTRIBUTION
ROOM OUT/INLET DIFFUSER/NECK DESIGN CFM ACTUAL CFM NOTE
NUMBER NUMBER SIZES, TYPE MIN MAX MIN MAX
AC-1 SUPPLY AIR
VAV-4
101 1 24"X24",CD 0 135 0 125 '
101 2 24"X24", CD 0 135 0 125
101 3 24"X24", CD 0 135 0 130
101 4 24"X24", CD 0 135 0 125
101A 5 16" RD., SWS 0 350 0 315
TOTAL 0 890 0 820
AC-1 TOTAL SUPPLY AIR 0 6000 0 5555
AC-1 RETURN AIR
103 1 48"X48", SWR 5125 4665
TOTAL 5125 4665
REMARKS:
Dampers full open;ductwork only 6"round.