Kaylee Damico Mechanical Option April 12 th 2011 Presentation Outline Project Team Project Overview Existing Mechanical Systems Proposed Redesign Mechanical Depth Electrical Breadth ID: 684381
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Coppin State University Physical Education Complex
Kaylee Damico – Mechanical OptionApril 12th, 2011
Presentation Outline
Project Team
Project Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
Electrical Breadth
Construction Management Breadth
Cost and Energy Savings
Summary and ConclusionSlide2
Presentation Outline
Project Team
Project Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
Electrical Breadth
Construction Management Breadth
Cost and Energy SavingsSummary and Conclusion
Project Team
Owner:
Maryland Stadium AuthorityArchitect: Cochran, Stephenson & DonkervoetConstruction Manager: GilbaneMechanical Engineer: James Posey AssociatesElectrical Engineer: Diversified EngineeringStructural Engineer: Hope Furrer AssociatesCivil Engineer: Site Resources
Coppin State University Physical Education Complex
Kaylee
Damico – Mechanical Option
April 12
th
, 2011Slide3
Presentation Outline
Project Team
Project
Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
Electrical Breadth
Construction Management BreadthCost and Energy Savings
Summary and Conclusion
Project Overview
Project SiteNew Main Entrances for UniversityAdjacent track and field and other sporting fieldsArchitecture246,000 GSF $136 million1-4 storiesLEED Silver Certification Slide4
Project Overview
Project Site
New Main Entrances for University
Adjacent track and field and other sporting fields
Architecture
246,000 GSF $136 million
1-4 stories
LEED Silver Certification
Specialty Spaces 4,100 seat Arena8-lane NCAA regulation poolDance Studio
Auxiliary GymFitness Center
Presentation Outline
Project Team
Project
Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
Electrical Breadth
Construction Management
Breadth
Cost and Energy Savings
Summary and ConclusionSlide5
Existing Mechanical SystemsAir Systems
14 Variable Air Volume AHUs Single zone and multiple zone2 Energy Recovery Units1 Pool Dehumidification System
Presentation Outline
Project Team
Project
Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
Electrical Breadth
Construction Management
BreadthCost and Energy SavingsSummary and ConclusionSlide6
AHU-1: Level 1 ShopsAHU-2:
Level 1 OfficesAHU-3: Level 2 OfficesAHU-4: Level
3 OfficesAHU-5 & 6:
Arena
AHU-7:
Concessions
AHU-8: Level 3 Coach OfficesAHU-9 & 10: Auxiliary Gym
AHU-11: Classrooms & Dance StudioAHU-12:
Multipurpose Room
AHU-13: Fitness AreaAHU-14: Heating Unit for ShopsPDU-1: PoolERU-1 & 2: Locker RoomsExisting Mechanical Systems
Air Systems14 Variable Air Volume AHUs Single zone and multiple zone2 Energy Recovery Units
1 Pool Dehumidification System
AHU-1
AHU-2,3 & 4
AHU-5 & 6
AHU-7 & 8
AHU-9 & 10
AHU-11,12 & 13
AHU-14
PDU
ERU-1&2
Presentation Outline
Project Team
Project
Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
Electrical Breadth
Construction Management
Breadth
Cost and Energy Savings
Summary and ConclusionSlide7
Existing Mechanical SystemsAir Systems
14 Variable Air Volume AHUs Single zone and multiple zone2 Energy Recovery Units1 Pool Dehumidification SystemCentral Plant
Two 500 ton chillers1000 ton cooling tower
AHU-1
AHU-2,3 & 4
AHU-5 & 6
AHU-7 & 8
AHU-9 & 10
AHU-11,12 & 13
AHU-14
PDU
ERU-1&2Slide8
Existing Mechanical Systems
Air Systems14 Variable Air Volume AHUs Single zone and multiple zone2 Energy Recovery Units
1 Pool Dehumidification SystemCentral Plant
Two 500 ton chillers
1000 ton cooling tower
Three dual fuel 250HP boilers
Primary-Secondary system
Space for future expansion
Boilers
Primary Heating Water Pumps
Secondary Heating Water Pumps
Variable Flow Heating Water Pumps
Pressure Relief
Storage TanksSlide9
Presentation OutlineProject Team
Project OverviewExisting Mechanical SystemsProposed RedesignMechanical Depth
Electrical BreadthConstruction Management
Breadth
Cost and Energy Savings
Summary and Conclusion
Proposed Redesign
Design Objectives
More efficient mechanical systems
Lower Overall Energy UsageLower EmissionsDesign Components
Ground Source Heat Pump SystemHeat Recovery Chiller
Electrical Redesign of MCCConstruction Reorganization Slide10
Presentation Outline
Project Team
Project
Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
GSHP
HRCElectrical Breadth
Construction Management BreadthCost and Energy Savings
Summary and Conclusion
Mechanical Depth - GSHPPaleozoic basic igneous rock
SiteSoil TypeResistanceDepth AllowedSlide11
Mechanical Depth - GSHP
Site
Soil Type
Resistance
Depth Allowed
Calculations
Only Zones A and B
55 bores at 400’ each
Equipment5 water to water heat pumpsEach with 11 bores Reverse Return
Polyethylene Piping
Paleozoic basic igneous
rock Slide12
Presentation Outline
Project Team
Project
Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
GSHP
HRCElectrical Breadth
Construction Management BreadthCost and Energy Savings
Summary and Conclusion
Mechanical Depth - HRCSizingHourly loadsAvailable heating hot waterHRC can handle 52% of loadReheat Load (MBH) ·1000 =
GPM·500·ΔTReheat Load = 3500 MBH ΔT = (140°F - 120°F) = 20°FSlide13
Boilers
Primary Heating Water Pumps
Secondary Heating Water Pumps
Variable Flow Heating Water Pumps
Pressure Relief
Storage Tanks
Mechanical Depth - HRC
Sizing
Hourly loads
Available heating hot water
HRC can handle 52% of load
Equipment
(2)
McQuay
Templifier
HRC
(5) Weil McLain Condensing Boilers
Downsize existing Cleaver Brooks boilers
Boilers
Primary Heating Water Pumps
Secondary Heating Water Pumps
Variable Flow Heating Water Pumps
Pressure Relief
Storage Tanks
Heat Recovery Chillers
Condensing Boilers
Reheat Load (MBH) ·1000 =
GPM·500·ΔT
Reheat Load = 3500 MBH ΔT = (140°F - 120°F) = 20°FSlide14
Mechanical Depth - HRCSizing
Hourly loadsAvailable heating hot waterHRC can handle 52% of loadEquipment(2) McQuay
Templifier HRC(5) Weil McLain Condensing Boilers
Downsize existing Cleaver Brooks boilers
Refrigerant Leak Detection
Exhaust 1400 CFM required for R-134a
2 Roof
Upblast
FansQ =
100•G^(0.5)Where, Q = airflow (CFM) G= 49.9kg of R134a
Boilers
Primary Heating Water Pumps
Secondary Heating Water Pumps
Variable Flow Heating Water Pumps
Pressure Relief
Storage Tanks
Heat Recovery Chillers
Condensing BoilersSlide15
Presentation OutlineProject Team
Project OverviewExisting Mechanical SystemsProposed RedesignMechanical DepthElectrical Breadth
Construction Management Breadth
Cost and Energy Savings
Summary and Conclusion
Electrical Breadth
Calculations
Electrical Information
HP
KVAFLA
Electrical Info of Equipment Added for HRC
Electrical Info of Equipment Added for GSHPSlide16
Electrical BreadthCalculations
Electrical Information HPKVAFLASchedulingSpares and spaces on previous MCC’s
MCC-2 Partial Schedule
MCC-3 Partial Schedule
`
Electrical Info of Equipment Added for HRC
Electrical Info of Equipment Added for GSHP
Presentation Outline
Project Team
Project Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
Electrical Breadth
Construction Management
Breadth
Cost and Energy Savings
Summary and ConclusionSlide17
Electrical BreadthCalculations
Electrical Information HPKVAFLASchedulingSpares and spaces on previous MCC’s
Installed and replaced with new equipmentSizing
Feeders sized for each addition
New MCC-2 Partial Schedule
New MCC-3 Partial Schedule
Feeders from HRC Equipment
Feeders from GSHP Equipment
MCC-2 Partial Schedule
MCC-3 Partial Schedule
`Slide18
Construction Management Breadth
Costs
GSHP
Installation
Piping
Equipment
HRC
Equipment
Cost of Labor and Equipment for GSHP Installation
Cost Polyethylene Pipe
Project Team
Project OverviewExisting Mechanical SystemsProposed RedesignMechanical DepthElectrical BreadthConstruction Management Breadth
Cost and Energy SavingsSummary and Conclusion
Equipment Costs for HRC
Equipment Costs for GSHP
Presentation OutlineSlide19
Construction Management Breadth
Costs
GSHP
Installation
Piping
Equipment
HRC
Equipment
Site
Installed in adjacent parking lot
Trailers can be moved
Excavation – Finishing Zone BCost of Labor and Equipment for GSHP Installation
Cost Polyethylene Pipe
Equipment Costs for HRC
Equipment Costs for GSHPSlide20
Presentation Outline
Cost and Energy Savings
Project Team
Project Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
Electrical Breadth
Construction Management Breadth
Cost and Energy SavingsSummary and ConclusionSlide21
Cost and Energy Savings
Baseline Cost of Utilities
Redesign Cost of UtilitiesSlide22
Cost and Energy Savings
Emission Comparison in pounds of Pollutant
Annual Emissions for Redesign
Annual Emissions for BaselineSlide23
Summary and Conclusion
Presentation Outline
Project Team
Project Overview
Existing Mechanical Systems
Proposed Redesign
Mechanical Depth
Electrical Breadth
Construction Management Depth
Cost and Energy SavingsSummary and ConclusionSlide24
Summary and Conclusion
30-Year LCC Details
Suggestions to Owner
Definite Additions
Heat Recovery Chiller
Possible Additional Savings
Ground Source Heat Pump
Implementing both can possibly increase LEED points
Owner’s Discretion Slide25
Questions or Comments?Special Thanks to:
James Posey AssociatesGilbane CompanyMcClure CompanyProfessors Family and Friends