Jason Paul Fair Mechanical Option Howard Comm Howard Commun unity - - PowerPoint PPT Presentation

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Jason Paul Fair Mechanical Option Howard Comm Howard Commun unity - - PowerPoint PPT Presentation

Jun 26, 2023 318 likes •598 views

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Jason Paul Fair Mechanical Option Howard Comm Howard Commun unity Co ity College llege

slide-1
SLIDE 1

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD

slide-2
SLIDE 2

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Presentation Overview

  • Building Summary
  • Existing Mechanical System
  • Depth Topic: Proposed Geothermal
  • Breadth Topic: Constructability /Cost
  • Summary
  • Acknowledgements
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SLIDE 3

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Building Summary

  • Project Team

Owne Owner: r: Howard Commu Howard Community Co nity Colle llege ge C M: C M: Rip Riparius rius Const Construction, uction, Inc. Inc. Architect: Architect: Design Col Design Collective, ctive, Inc. Inc. ME MEP P Mu Mueller As r Associates ates, Inc , Inc. Structura Structural Smis Smislova, Kehn lova, Kehnemui emui & Associates & Associates Civil Civil Patton tton Harris rris Rust & Rust & Associa Associates es Geo Tech Geo Tech Froeh Froehling ing & R Robertson, bertson, Inc. Inc.

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SLIDE 4

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Building Summary

  • Project Team
  • Overview
  • 101,00

01,000 sqft 0 sqft

  • Mixed Use

xed Use

  • Layout

Layout

slide-5
SLIDE 5

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD

  • Chill

Chiller / B r / Boil iler pl er plants ants

  • AHU’s

AHU’s ducted to VAV boxes ucted to VAV boxes Presentation Overview

  • Building Summary
  • Existing Mechanical System
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SLIDE 6

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Existing Mechanical Systems

  • Chilled Water
  • Primary

Primary / S / Seconda condary Configuration y Configuration

  • 500 ton Chiller & Coo

500 ton Chiller & Coolin ing Tower g Tower

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SLIDE 7

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Existing Mechanical Systems

  • Chilled Water
  • Heating Water
  • Primary

Primary / S / Seconda condary Configuration y Configuration

  • Two 3100 MBH Dual Fue

Two 3100 MBH Dual Fuel Boilers Boilers

  • 20

200oF supply F supply 160 160oF retu F return rn

  • AHU Heat

AHU Heatin ing Co g Coils

  • VAV Reheat Co

VAV Reheat Coil ils

  • Domestic Hot Wat

Domestic Hot Water

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SLIDE 8

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Existing Mechanical Systems

  • Chilled Water
  • Heating Water
  • Air Handling Equipment
  • 6 AHU’s

6 AHU’s

  • 3 roof

3 roof top top

  • 3 indoor

3 indoor

  • Prov

Provide S ide SA to V to VAV boxes V boxes

AIR HANDLING UNITS

Total Airflow (cfm) Desig. Type Location Service Max Min AHU1 Roof Top Roof North 1st, 2nd, 3rd 36,300 13,100 6,300 AHU2 Roof Top Roof South South wing 2,3 32,300 11,300 10,300 AHU3 Roof Top Roof South South wing 4 11,000 7,100 6,500 AHU4 Indoor MER 105 North wing 1 9,000 2,800 1,900 AHU5 Indoor Basement MER South wing 1 dining 15,000 8,700 7,200 AHU6 Indoor Basement MER South wing 1 kitchen 5,700 5,700 5,700 TOTAL . 109,300 48,700 37,900 Outside Air (cfm)

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SLIDE 9

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Presentation Overview

  • Building Summary
  • Existing Mechanical System
  • Depth Topic: Proposed Geothermal
  • Pl

Plenum mounted enum mounted Heat Pumps Heat Pumps

  • Interconne

Interconnected run- cted run- around l

  • und loop
  • op
  • Geotherma

Geothermal l loop

  • op

con connect ection

  • n
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SLIDE 10

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Mechanical Depth: Geothermal

  • Ground Source Heat Exchanger
  • Open Loop

Open Loop Extraction & Extraction & Inject jection We ion Wells lls

  • Strict EPA

Strict EPA Regul Regulations tions

  • Equipment fou

Equipment foulin ing g due to mine due to mineral rals

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SLIDE 11

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Mechanical Depth: Geothermal

  • Ground Source Heat Exchanger
  • Cl

Closed Loop

  • sed Loop

Surf Surface Water ace Water

  • Deep water

Deep water requ required ired

  • Fluctuation in water

Fluctuation in water temp temp

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SLIDE 12

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Mechanical Depth: Geothermal

  • Ground Source Heat Exchanger
  • Cl

Closed Loop

  • sed Loop

Horizontal Horizontal

  • Large Area

Large Area

  • Fluctuation in

Fluctuation in su surfa rface tempe e temperature ature

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SLIDE 13

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Mechanical Depth: Geothermal

  • Ground Source Heat Exchanger
  • Cl

Closed Loop

  • sed Loop

Ve Vertica rtical

  • Mi

Mini nimal ar area

  • Constant l

Constant loop

  • op

tempe temperatu ature

  • Expensive Drilling

Expensive Drilling Costs Costs

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SLIDE 14

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Mechanical Depth: Geothermal

  • Basis For Proposed Design
  • Hybrid System

Hybrid System

  • Heatin

Heating / Coo g / Cooling ing load ba load balance nce

  • Coo

Cooling Tower ing Tower meets peak cooling meets peak cooling loads loads

  • Reduced Drilling

Reduced Drilling Costs Costs

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SLIDE 15

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Mechanical Depth: Geothermal

  • Ground Source Heat Exchanger
  • Building Modeling

Design Parameters Design Parameters

  • Bal

Baltimore, MD imore, MD

  • Summer Design Temp

Summer Design Temperatures eratures

  • 91

91oF F DB DBT

  • 77

77oF F WB WBT

  • Winter Des

nter Design Temperature gn Temperature

  • 13

13oF

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SLIDE 16

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Mechanical Depth: Geothermal

  • Ground Source Heat Exchanger
  • Building Modeling

Modeling Resul Modeling Results

  • Original

Original Design vs Design vs Pro Proposed Design

  • sed Design
  • Proposed saves 52.5

Proposed saves 52.5 million Btu per llion Btu per year year

  • 19,212

,212 kWh pe kWh per year r year

  • Reduced peak

Reduced peak cooling cooling load by14 to ad by14 tons ns

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SLIDE 17

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Mechanical Depth: Geothermal

  • Ground Source Heat Exchanger
  • Building Modeling
  • Well Field Sizing

Peak Coo Peak Cooling ing

  • 138 boreholes

38 boreholes

  • 300 ft deep

300 ft deep

  • $17.00

17.00/foot /foot

  • $703,8

703,800.00 00.00

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SLIDE 18

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Mechanical Depth: Geothermal

  • Ground Source Heat Exchanger
  • Building Modeling
  • Well Field Sizing

Peak Heating Peak Heating

  • 40

40 borehol boreholes

  • 300 ft deep

300 ft deep

  • $17.00

17.00/foot /foot

  • $204,0

204,000.00 00.00

  • Additional

Additional 270 270 tons Coo tons Cooling ing

slide-19
SLIDE 19

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Presentation Overview

  • Building Summary
  • Existing Mechanical System
  • Depth Topic: Proposed Geothermal
  • Breadth Topic: Constructability /Cost
slide-20
SLIDE 20

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Breadth Topic Constructability / Cost

  • Scheduling

Drilling T Drilling Time me

  • 700 ft/day

00 ft/day

  • 2 boreho

2 boreholes /day les /day

  • 4 weeks d

4 weeks drill illing ng

  • 1 week pipi

week piping ng con connect ections

  • ns
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SLIDE 21

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Breadth Topic Constructability / Cost

  • Scheduling

2. 2.5 month S 5 month Site Schedu te Schedule w le window ndow 5 week estimated 5 week estimated install installation time tion time Extra t Extra time for me for unforeseen drillin unforeseen drilling cond condit itions ions

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SLIDE 22

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Breadth Topic Constructability / Cost

  • Scheduling
  • Cost

Equipment & Material Initial Costs

Description Geo Thermal As Designed cost cost Heat Exchange Fluid $ 1,677.00 $ - Circulation Pumps $ 19,227.00 $ 25,462.00 Air Handling Units $ 110,000.00 $ 738,167.00 VAV boxes $ - $ 41,000.00 Water Source Heat Pumps $ 331,145.00 $ - Drilling & Grout $ 203,524.00 $ - Ground loop piping $ 24,887.00 $ - Fittings and Valves $ 16,008.00 $ - Building HVAC Piping $ 901,500.00 $ 655,500.00 Chiller $ - $ 250,000.00 Cooling tower $ 29,200.00 $ 44,700.00 Plate heat exchanger $ 47,300.00 $ - Sheet metal $ 132,755.00 $ 879,400.00 Totals $ 1,817,223.00 $ 2,634,229.00

Savings of $ 817,000.00

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SLIDE 23

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Breadth Topic Constructability / Cost

  • Scheduling
  • Cost

20 YEAR LIFE CYCLE COST

Present worth difference $841,000.00

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SLIDE 24

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Presentation Overview

  • Building Summary
  • Existing Mechanical System
  • Depth Topic: Proposed Geothermal
  • Breadth Topic: Constructability /Cost
  • Summary

Greater Energy Savings over Original design Lower First Cost Lower Life Cycle Cost Geothermal “Free Energy”

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SLIDE 25

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Presentation Overview

  • Building Summary
  • Existing Mechanical System
  • Depth Topic: Proposed Geothermal
  • Breadth Topic: Constructability /Cost
  • Summary
  • Acknowledgements

Advisor Dr. Bahnfleth Professor Moses Ling Mueller Associates Parents & Siblings My Beautiful Wife THANK YOU JESUS!

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SLIDE 26

Jason Paul Fair

Mechanical Option

Howard Comm Howard Commun unity Co ity College llege Student Serv Student Services Buil ices Building ng Co Colu lumbia, MD mbia, MD Presentation Overview

  • Building Summary
  • Existing Mechanical System
  • Depth Topic: Proposed Geothermal
  • Breadth Topic: Constructability /Cost
  • Summary
  • Acknowledgements

QUESTIONS ?