presentation outline existing conditions redesign goals ...presentation outline project information...
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1
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Presentation Outline
Existing ConditionsRedesign GoalsMechanical RedesignAcoustical AnalysisEnvelope StudyCost Summary & RecommendationsAcknowledgementsQuestions
Project Information & Background
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Boston, MassachusettsTufts University
$65 Million180,000 sqft.Project Schedule
Began in 1995Delayed from 1997-2000Completed in 2003
Project Information & Background
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Project Information & Background
MEP Bard, Rao +
Athens Consulting Engineers
ConstructionSuffolk
Construction
Structural LeMessurier Consultants
Architectural FirmArchitectural
Resources Cambridge
Scaffolding GGG Scaffolding
Services Corp,Material Hoists Julian Crane &
Equip. Corp.Plumbing
J.C. Higgins Corp,HVAC
Limbach,Ceramic Tile,
Carpet & Resiliant Flooring
Merrimac Tile Co., Inc.
Masonry Facade NER Construction Management Inc.
Concrete Flatwork Reliable Concrete
Lead ArchitectMark Snyder
OwnerTufts University
Boston, MassachusettsProject Team
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Multi Use Facility
Project Information & Background
Above GradeTwo Level Mechanical
PenthouseNine Occupied Floors
Below GradeOne Basement Level
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Elevator
Mechanical
Project Information & Background
Multi Use FacilityUse Groups Basement
18,800 ft2
2
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Elevator
Auditorium
Office/Conf.
Classroom
Lobby
Mechanical
Project Information & Background
Multi Use FacilityUse Groups First Floor
19,600 ft2
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Elevator
Office/Conf.
Mechanical
First Level Roof Below
Project Information & Background
Multi Use FacilityUse Groups Second ˘ Third Floors
18,750 ft2
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Elevator
Office/Conf.
Laboratory/Support
Shell
Mechanical
Project Information & Background
Multi Use FacilityUse Groups Fourth Floor
18,750 ft2
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Elevator
Office/Conf.
Laboratory/Support
Shell
Mechanical
Project Information & Background
Multi Use FacilityUse Groups Fifth Floor
18,750 ft2
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Elevator
Office/Conf.
Laboratory/Support
Fifth Level Roof Below
Mechanical
Project Information & Background
Multi Use FacilityUse Groups Sixth − Ninth Floors
10,750 ft2
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Project Information & Background
Multi Use FacilityUse Groups
Mechanical PenthouseNon-Conditioned Space
3
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Presentation Outline
Project Information & BackgroundExisting ConditionsRedesign GoalsMechanical RedesignAcoustical AnalysisEnvelope StudyCost Summary & RecommendationsAcknowledgementsQuestions
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Air System(4) Identical 100% OA Air Handlers
70,000 cfm eachRunaround-Coil Heat Recovery
40% Effectivness3-5 Year Payback
Existing Conditions
Steam Pre-heat CoilCooling CoilSound Attenuators
(2) 35,000 cfm Supply Fans
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
AHU 3&4
AHU 1&2
Air SystemAHU 3 & 4
Level 4 – Level 9
AHU 1 & 2Basement – Level 3
Air DistributionVAV w / Terminal ReheatVCV w / Terminal Reheat
Existing Conditions
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Chilled Water System(1) 600 ton Centrifugal Chiller(1) 800 ton Double-Effect Steam Absorption ChillerPrimary / Secondary CHP’s2-Cell Cooling Tower
Steam System125 psi Supply4 PRV’sUse
LPS: Pre-heat Coils & HX’sMPS: Laboratory AutoclavesHPS: Absorbtion Chiller
Existing Conditions
Hot Water SystemHeated By Steam HX’s2 Loops
Terminal ReheatPerimeter Heating
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Presentation Outline
Project Information & BackgroundExisting ConditionsRedesign GoalsMechanical RedesignAcoustical AnalysisEnvelope StudyCost Summary & RecommendationsAcknowledgementsQuestions
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Depth: MechanicalInvestigate Possibility of Reducing Operating Cost
Breadth: AcousticsReduce Transmission Through Envelope
Breadth: ConstructionInvestigate Feasibility of Including BATT in Exterior Wall Composite
Redesign Goals
4
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Presentation Outline
Project Information & BackgroundExisting ConditionsRedesign GoalsMechanical RedesignAcoustical AnalysisEnvelope StudyCost Summary & RecommendationsAcknowledgementsQuestions
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternatives to be InvestigatedIntroduction of Recirculation
Basement – Level 3
Total Energy Recovery
Mechanical Redesign
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 1: RecirculationBasement – Level 3 ONLY
AHU 3 & 4 Will Be RedesignedAHU 1 & 2 Will Remain the Same
Existing Heat Recovery SystemAir Side Economizer (Enthalpy Controlled)Meet ASHRAE Standard 62-2001
Expected Benefit
Mechanical Redesign
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 1: RecirculationExisting Design Simultaneous Heating & Cooling
Preheat Setpoint = 55F
Mechanical Redesign
Design Alternative 1: RecirculationControl Strategy
RedesignPreheat Setpoint = 40FSA Heating Accomplished by ReheatEliminates Simultaneous Heating and Cooling
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 1: RecirculationReturn Damper
Ruskin CD60Low-Leakage≈ Linear Response
Mechanical Redesign
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 1: RecirculationSystem Sizing Summary
HAP v 4.2Major system Components
Within 8% of Original DesignResizing not Justified
Mechanical Redesign
5
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
31,454591,111613,562Grand Total
0284,408275,405Non-HVAC Sub-Total
000Misc. Fuel Use
000Misc. Electric
n/a126,039122,050Electric Equipment
n/a158,369153,356Lights
31,454306,703338,157HVAC Sub-Total
98517,65118,636Cooling Tower Fans
7,05329,61536,668Pumps
15,20047,05962,259Heating
8,98266,45375,435Cooling
-766145,925145,159Air System Fans
Savings($)
RecirculationRedesign
($)Existing Design
($)Component
Design Alternative 1: RecirculationAnnual Operating Cost Summary
Mechanical Redesign
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 2: Total Energy Recovery
Expected Benefit
Design Alternative 2: Total Energy RecoveryBasement – Level 3 ONLY
AHU 3 & 4 Will Be RedesignedAHU 1 & 2 Will Remain the Same
Existing Heat Recovery System in AHU 1 & 2
Mechanical Redesign
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 2: Total Energy RecoverySemco EXCLU-SIEVE® model TE3-70
Max Airflow: 70,000 cfmAHU Airflow 55,000 cfm
Face Velocity 800 fpmOptimal Velovity
Under Design Conditions eff=78%Purge Volume = 3600 cfmPurge Index Setting = 4
Mechanical Redesign
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 2: Total Energy RecoverySystem Sizing Summary
Chiller Plant800 ton Absorption Chiller Will RemainNew 400 ton Centrifugal Chiller Replaces Old 600 ton Unit
Trane EarthWise™ CenTraVac™ Model Was Selected3-Stage
PumpsSCHP: Aurora 411 Series
Mechanical Redesign
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 2: Total Energy RecoveryAnnual Operating Cost Summary
36,442583,953613,562Grand Total
0282,238275,405Non-HVAC Sub-Total
000Misc. Fuel Use
000Misc. Electric
n/a125,078122,050Electric Equipment
n/a157,160153,356Lights
36,442301,715338,157HVAC Sub-Total
1,20517,43118,636Cooling Tower Fans
7,38229,28636,668Pumps
15,21047,04962,259Heating
10,26665,16975,435Cooling
2,379142,780145,159Air System Fans
Savings($)
Total EnergyRedesign
($)Existing Design
($)Component
Mechanical Redesign
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Presentation Outline
Project Information & BackgroundExisting ConditionsRedesign GoalsMechanical RedesignAcoustical AnalysisEnvelope StudyCost Summary & RecommendationsAcknowledgementsQuestions
6
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
OverviewSample First Floor ClassroomInterior Noise from Street TrafficAlternate Wall Composite
Higher Transmission Loss (TL)
Acoustical Analysis
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Room Criteria (RC)
Acoustical Analysis
4686460180.7468.834000
19725350180.7397.112000
27764947180.7296.901000
34794544180.7235.87500
45813634180.7292.99250
56842825180.7383.88125
(Lp)rec[dB]
(Lp)source[dB]NRTLcomposit
e [dB]SwRTFreq
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Alternate CompositeSame Wall ConstructionDifferent Window Assembly
Original: 1/4” – 1/4” glass w/ 1/2” AirspaceNew: 1/4” – 3/16” glass w 4” Airspace
Alternate Composite TL CalculationIdentical to previous calculation
Acoustical Analysis
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Redesign Results
Acoustical Analysis
3686561180.7468.834000
15725753180.7397.112000
22765452180.7296.901000
28795150180.7235.87500
40814139180.7292.99250
43844138180.7383.88125
(Lp)rec[dB]
(Lp)source[dB]NRTLcom
[dB]SwRTFreq
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Comparison
Acoustical Analysis
Interior Sound Pressure Levels from Street Traffic
0
10
20
30
40
50
60
125 250 500 1000 2000 4000Octave Band Center Frequency (Hz)
Lp (d
B)
Existing Design Levels
Reccomended RC RatingLevelsRedesign Levels
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Presentation Outline
Project Information & BackgroundExisting ConditionsRedesign GoalsMechanical RedesignAcoustical AnalysisEnvelope StudyCost Summary & RecommendationsAcknowledgementsQuestions
7
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Feasibility StudyBATT Insulation in Exterior Wall CompositePrimary Research
HAP Analysis of Operating Cost ReductionAssociated First Cost
Secondary ResearchScheduling
Scheduling TimeSchedule Placement
Site & Construction RequirementsHealth Considerations & OSHA
Envelope Study
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Potential Savings
Envelope Study
2,677613,562613,562Grand Total
0275,405275,405Non-HVAC Sub-Total
000Misc. Fuel Use
000Misc. Electric
n/a122,050122,050Electric Equipment
n/a153,356153,356Lights
2,677335,480338,157HVAC Sub-Total
63218,00418,636Cooling Tower Fans
29036,37836,668Pumps
26261,99762,259Heating
50074,94475,435Cooling
993144,166145,159Air System Fans
Savings($)
JaharisBuilding with
BATT($)
JaharisExisting Building
($)Component
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
First Cost
Envelope Study
8 Years$21,618.90280.245400350.180.360.00711501 Carpenter
6" Thick, R19, 15" Wide
BATT
Payback Period
Total First Cost for
insulation
Total Labor Hours
Total sqft of Wall
Labor Cost
[$/sqft]
Material Cost
[$/sqft.]
Labor Hours
per sqft.
Daily Output [sqft.]
CrewMaterial
Scheduling1-1/2 Weeks
Crew of 5 Carpenters40 Hour Work Week
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
SchedulingPrerequisites
Sidewalls, floors, and ceilings have been framed.Doors, windows, subflooring, and sheathing are in place.Plumbing, heating ventilating and air-conditioning work has been completely roughed in.Cabling and wiring (including telephone and other low-voltage wiring) have been completely roughed in.
Envelope Study
Site and Construction RequirementsDelivery ScheduleStorageDon’t Open Until Use
Health Considerations and OSHAInternational Agency for Research On Cancer (IARC)
Possible Carcinogen
Consumer Product Safety Commission (CPSC)Only Carcinogenic if Surgically Implanted
OSHAMinimal Protective Gear
Full ClothingRespiration Filter (in some cases)
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Presentation Outline
Project Information & BackgroundExisting ConditionsRedesign GoalsMechanical RedesignAcoustical AnalysisEnvelope StudyCost Summary & RecommendationsAcknowledgementsQuestions
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Mechanical RedesignAll Goals AchievedGraphs for Decision Making
Cost Summary & Recommendations
Monthly Electric Power Consumption
0
50,000
100,000
150,000
200,000
250,000
300,000
350,000
400,000
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecMonth
Pow
er C
onsu
mpt
ion
(kW
h)
ExistingRecirculationTotal Energy
Monthly Remote Steam Consumption
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecMonth
Stea
m C
onsu
mpt
ion
(The
rm)
ExistingRecirculationTotal Energy
Hourly Electric Demand (January)
0
200
400
600
800
1000
1200
1400
12:0
0 AM
1:00
AM
2:00
AM
3:00
AM
4:00
AM
5:00
AM
6:00
AM
7:00
AM
8:00
AM
9:00
AM
10:0
0 AM
11:0
0 AM
12:0
0 PM
1:00
PM
2:00
PM
3:00
PM
4:00
PM
5:00
PM
6:00
PM
7:00
PM
8:00
PM
9:00
PM
10:0
0 PM
11:0
0 PM
Hour
Elec
tric
Dem
and
(kW
)
ExistingRecirculationTotal Energy
-192,130327,856-455136,181135,726Grand Total
-224,000224,000000Enthalpy Wheels (4)
00-4554550RA Damper
Pump Hardware
Pump Motors
2,87010,856013,72613,726
Chilled Water Pumps
29,00093,0000122,000122,000Electric Chiller
Savings Compared to
Existing Design
($)
Total Energy RecoveryRedesign
($)
Savings Compared to
Existing Design
($)
RecirculationRedesign
($)
Existing Design
($)Component
First Cost Summary
050,000
100,000150,000200,000250,000300,000350,000
Cos
t ($)
Existing$338,157
Recirculation$306,703
Total Energy$301,715
Design Option
Annual Cost Summary Cooling Tower FansPumpsHeatingCoolingAir System Fans
Operating Cost Summary
8
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Mechanical Redesign
Design Alternative 1: RecirculationSmall First Cost IncreaseSavings Comparable to Total Energy Recovery
Cost Summary & Recommendations
Acoustical Analysis
Replace WindowsProviding Acceptable First CostExisting Windows May Cause Distraction
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Envelope Study
Include BATT in Exterior Wall8-1/2 Year PaybackMinimal Impact On Schedule (1-1/2 Weeks)
Cost Summary & Recommendations
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Presentation Outline
Project Information & BackgroundExisting ConditionsRedesign GoalsMechanical RedesignAcoustical AnalysisEnvelope StudyCost Summary & RecommendationsAcknowledgementsQuestions
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
I Would Like To Thank:Jessica YeagerMy FamilyMy Project ContactsDr. SrebricDr. MummaDr. BahnflethDr. BurroughsDr. FreihautProf. ParfittPaul Bowers (great work!)AE Dept. Faculty & StaffPenn StateGod
Acknowledgments
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Questions
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 2: Total Energy RecoveryAHU 3 & 4 RedesignEnthalpy Wheel
Cooling CoilDraw-Thru
Mechanical Redesign
9
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Design Alternative 2: Total Energy RecoveryWhy not have total energy recovery on all levels?
Laboratory ResearchInfectious Diseases
Cholera
Cross Contamination Not an OptionInternal pore diameter distribution only absorbs molecules less than 2.8 angstroms Cross Contamination < .04% not possible
Mechanical Redesign
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Elevator
Office/Conf.
Mechanical
Project Information & Background
Multi Use FacilityUse Groups Third Floor
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Street Traffic NoiseAt 15 metersCorrect for Distance
Cylindrical Spreading
Room ConstantGypsum WallsAcoustic Ceiling TileCarpet
Acoustical Analysis
74A-Weight
614000
652000
691000
72500
74250
77125
Lp [dB](10% Truck, 90%
Car, 35 mph, uncorrected for distance)
Octave Band Center Freque
ncy [Hz]
81A-Weight
684000
722000
761000
79500
81250
84125
Lp [dB](10% Truck, 90%
Car, 35 mph, corrected for
disatance)
Octave Band Center Frequenncy[Hz]
468.830.381618289.9150.94159.70.65159.70.0472.70.09367.64000
397.110.343279260.7890.99159.70.45159.70.0772.70.07367.62000
296.900.280994213.4710.99159.70.2159.70.1272.70.04367.61000
235.870.236919179.9870.83159.70.1159.70.1872.70.05367.6500
292.990.278322211.4410.93159.70.05159.70.2572.70.1367.6250
383.880.335683255.0180.76159.70.01159.70.3572.70.29367.6125
RTαSABA = ∑SiαiαcScαfSfαgSgαwSwFreq
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Classroom Exterior Wall Section
Acoustical Analysis
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Exterior Wall Transmission Loss (TL)Structural Composite TL InterpolatedWindow Composite TL Taken DirectlyArea Weighted TL Calculated
Acoustical Analysis
⎥⎦⎤
⎢⎣⎡ +
−=S
SSTLcomposite2211log10 ττ
10/1
110 TL−=τ
10/2
210 TL−=τ
6057654000
5046602000
4744531000
444052500
343042250
252140125
TLcomposite[Db]
TLwindow[Db]Tlwall [Db]
Octave Band Center
Frequenncy [Hz]
Reed BerinatoMechanical Option
Jaharis Center for Biomedical and Nutritional Research
The Pennsylvania State University
Interior Sound Pressure LevelsCalculated Using Noise Reduction (NR) Equations
Acoustical Analysis
recpsourcep LLNR )()( −=
⎟⎟⎠
⎞⎜⎜⎝
⎛+=
w
T
SRTLNR log10
4686460180.7468.834000
19725350180.7397.112000
27764947180.7296.901000
34794544180.7235.87500
45813634180.7292.99250
56842825180.7383.88125
(Lp)rec [dB](Lp)source[dB]NRTLcomposite
[dB]SwRTFreq