city presentation april 2005 smt2
TRANSCRIPT
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University of Wisconsin - MadisonUtility Master Plan Status Report
April 2005
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Current Campus Master Plan
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Summary of Existing Utilities
Planning Criteria Load Management
Load Projections
Options for Exploring
Agenda
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High Pressure Steam and Condensate
Low Pressure Steam and Condensate Chilled Water
Compressed Air
Electric Power
IT Systems Domestic Water
Sanitary Sewer
Storm Sewer
Utilities Included
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Existing Campus Utility Services
Steam and Condensate Piping Distribution Map
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Existing Campus Utility Services
Chilled Water Piping Distribution Map
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Existing Campus Utility Services
Compressed Air Piping Distribution Map
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Existing Campus Utility Services
Electrical Distribution Map
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Existing Campus Utility Services
Water Distribution MapAdditional pipingin Eagle Heights
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Sanitary Sewer Distribution MapAdditional piping
in Eagle Heights
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Storm Sewer Distribution MapAdditional piping
in Eagle Heights
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Existing Campus Utility Services
Composite Utility Distribution
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System Type 70% Walkable Tunnel
28% Box Conduit
2% Direct Buried
Age Distribution (over 25miles of piping)
1% +80 Years 2% 60-80 Years
8% 40-60 Years
16% 20-40 Years
22% 0-20 Years
50% Unknown
Steam and Condensate Overview
C O
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System Type
15% Walkable Tunnel 0% Box Conduit
85% Direct Buried
Age Distribution (over 8 miles of piping) 45% 20-40 Years
55% 0-20 Years
Chilled Water Overview
Th l U ili U d
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Correct Deficiencies
Upgrade Control Systems
Alleviate Distribution Piping Bottlenecks
Replace Aging Equipment
Cleanup Charter Street site????
Add capacity to accommodate future growth
Add energy meters at all significant buildings
Thermal Utility Upgrades
Th l Utilit P d ti O i
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Walnut Street Plant 600,000 #/hr steam
(heating for ~7,500 homes) 18,000 tons chilled water
(cooling for ~9,000 homes)
Charter Street Plant 800,000 #/hr steam
(heating for ~9,000 homes)
26,000 tons chilled water(cooling for ~13,000 homes)
9 MWe ElectricProduction (power for~900 homes)
Thermal Utility Production Overview
Th l Utilit P d ti O i
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West CampusCogeneration Facility
500,000 #/hr steam(heating for ~6,250 homes)
20,000 tons chilled water(cooling for ~10,000 homes)
150 MWe ElectricProduction (power for~15,000 homes) supplied toMadison area grid
Thermal Utility Production Overview
El t i l S b t ti O i
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East Campus Substation 14.0 MVA (~1,400 homes)
West Campus Substation 14.0 MVA (~1,400 homes)
Charter Street Substation 14.3 MVA (~1,400 homes)Walnut Street Substation 112 MVA (~11,200 homes)
Randall Substation 7 MVA (~700 homes)
Kohl Center Switching Stn 28.6 MVA (~2,900 homes)
Athletic Off. Switching Stn 18.8 MVA (~1,900 homes)
Total Capacity 208.7 MVA (~20,900 homes)
20,000 homes 80,000 people or
approximately the size of
Janesville, WI
1 MVA = million volt-amperes
(Size of electrical facilities is listed in
MVA, just as size of a storage tank
might be listed in gallons.)
Electrical Substation Overview
El t i l Di t ib ti O i
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Installed in Ductbankand Manhole System
~230,000 circuit feet(~175 miles of wirewith 4 wires percircuit)
Age Distribution 8% +40 Years
44% 20-40 Years
23% 0-20 Years 25% Undetermined
Age
Electrical Distribution Overview
El t i l Di t ib ti U d
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Reinforce the system to improve
reliability Recircuit/re-cable overloaded circuits
Relocate cables from steam tunnels
Separate instances where primary and
backup feeders are in the same ductbankand manholes
Improve system monitoring to mitigateoutages
Add substation capacity forreliability/flexibility and cost control
Electrical Distribution Upgrades
IT/Si l O i
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Systems include: Computer networks
Internet access Electronic file storage Email
Installed in Ductbank andManhole System
+180 Manholes +10 Miles of Underground
Fiber Optic Ductbank +200 Building Service
Entrances
Age Distribution ~10% +20 Years ~90% 0-20 Years
IT/Signal Overview
IT/Si l U d
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Relocate cabling from steam tunnels to
new ductbank locations 21stCentury Network
Upgrade network speed to a 10-gigabytebackbone speed
Upgrade security Reinforce the capacity of the three super
nodes powering the network
Add access points for wireless access
IT/Signal Upgrades
D ti W t O i
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System Summary 147,000 ft (~28 miles) of pipe
ranging from to 24
25 Manholes
144 Hydrants 907 Water Valves
Age Distribution 7% 80+100 years 55% 4080 years 19% 2040 years 19% 020 years
Water Supply Sources City of Madison Village of Shorewood Hills Direct connection to City mains
Water Usage 3,204,000 GPDAverage daily
use 32,000 people served
Domestic Water Overview
Installation of water main and fire hydrant
Domestic Water Upgrades
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Eliminate undersized mains
Increase pressure in Eagle Heights
Add isolation valves to high prioritybuildings
Eliminate lines under buildings Replace obsolete piping materials
Domestic Water Upgrades
Sanitary Sewer Overview
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System Type/Summary 102,760 ft (~19 miles) of pipe
Pipe size is 4 to 24 476 Manholes
63% pumped - 12 pumpstations
Wastewater flows to MMSD City of Madison Interceptors
City of Madison Mains
Age Distribution
7% 80100+ years 50% 4080 years
33% 2040 years
10% 020 years
Sanitary Sewer Overview
Sanitary Sewer Manhole Installation
Sanitary Sewer Upgrades
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Improve reliability
Televise older sewers to quantifycondition
Repair/replace older manholes
Improve pump stations for more efficientand reliable operation
Sanitary Sewer Upgrades
Storm Sewer Overview
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System serves: Building roof drains
Area drains Catch basins
System Type/Summary 122,640 ft (~23 miles) of
pipe ranging from 3 to 68
777 Manholes Pipe types: Vitrified Clay,
Reinforced Concrete,Ductile Iron, or PVC
Age Distribution
4% 80+100 years
41% 4080 years
32% 2040 years
23% 020 years
Storm Sewer Overview
Storm sewer
with manhole
and catch
basins on each
end
Outfall into
Lake Mendota
Storm Sewer Overview
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Storm Sewer Overview
To ake Mendota
To ake Monona
790 Acres drainto Lake
Mendota
230 Acres drain toLake Monona
Storm Sewer Upgrades
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Improve system reliability
Upgrade undersized storm sewers -Chamberlin Hall
Routine system maintenance - entiresystem
Erosion and water quality control - entiresystem
Storm Sewer Upgrades
Storm Sewer Upgrades
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Techniques to improve quality of stormwater
Rain Gardens
Cisterns
Water Quality Ponds
Swales Green Roofs
Pervious pavements
Treatment units
Reuse rain water for irrigation, etc.
Storm Sewer Upgrades
Planning Principles
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Create high level of reliability and redundancy
Implement planned phase out of old equipment Maximize energy efficiency and minimize
energy cost
Minimize maintenance requirements Maintain flexibility for future technologies
Coordinate with building/transportation plan
Investigate alternative energy resources Plan for future technologies
Planning Principles
Load Management (Existing Buildings)
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Upgrade Boiler Controls (2-3%
efficiency increase) Ongoing multiple year building energy
conservation program through the
Wisconsin Energy Initiative (WEI) The energy conservation program has
spent approximately $29,500,000 onbuilding improvements
Load Management (Existing Buildings)
Load Management WEI Accomplishments
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Load Management
WEI Accomplishments
Energy audits performed for 12,000,000 SF
Retrofitted lighting with newer lower wattage efficientfixtures
Replaced 1000 electric motors with premiumefficiency motors
Installed variable speed driven electric motors
Installed 2000 ultra low water usage plumbingfixtures
Replaced/repaired 2700 steam traps
Upgraded controls (occupancy sensors, HVACenergy monitoring)
Adding 8000 storm windows
Load Management (New Buildings)
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Current State Building Requirements:
Building Envelope thermal insulationrequirements exceeds ASHRAE EnergyStandard 90.1
Selection of Mechanical Systems based
on Life Cycle Cost Analysis Mandatory use of heat recovery
Daylighting investigation
Investigation into Photo Voltaic (PV) use
Load Management (New Buildings)
Load Management (New Buildings)
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Leadership in Energy and
Environmental Design (LEED) Current State design specifications and
criteria are equivalent to LEEDCertification standards
Emphasis of LEED Sustainable site development
Energy efficiency and atmospheric impact
Water conservation Materials selection
Indoor air quality (IAQ)
Load Management (New Buildings)
Utility Project Drivers
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Replace Obsolete Equipment due to:
Age Condition
Efficiency
Capacity Needs Reduce energy consumption in buildings
Add new capacity when required basedon load growth and distribution system
Utility Project Drivers
Utility Project Drivers
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Environmental Improvements
Higher efficiency usually means loweremissions
Evaluating fuel selection and changes intechnology to reduce emissions
Improved boiler technologies
Improved controls
Utility Project Drivers
Load Growth Projections (Heating)
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Load Growth Projections (Heating)
Adequate Plant Heating Capacity
Phase
1
Phase
2
Phase
3
TIMELINE
STEAML
OAD
(LBS./HOUR)
WALNUT STREET CAPACITY
CHARTER STREET CAPACITY
WCCF CAPACITY
ESTIMATED HEATING LOAD
GROWTH
Load Growth Projections (Cooling)
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Load Growth Projections (Cooling)
Adequate Plant Cooling Capacity
Phase
1
Phase
2
Phase
3
TIMELINE
COOLINGL
OAD
(
TONS)
WALNUT STREET CAPACITY
CHARTER STREET CAPACITY
ESTIMATED COOLING LOAD GROWTH
WCCF CAPACITY
Load Growth Projections (Electrical)
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Load Growth Projections (Electrical)
Potential Shortage of Electrical Capacity
Phase
1
Phase
2
Phase
3
TIMELINE
ELECTR
ICALLOAD
(
kVA)
INSTALLED SUBSTATION CAPACITY
ESTIMATED ELECTRICAL LOAD GROWTH
Thermal Utility Expansion Requirements
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Existing Heating & Cooling PlantsFuture Cooling Plant
Section of campus that will require
additional cooling plants
Thermal Utility Expansion Requirements
WCCF
WalnutStreet Plant
Charter
Street Plant
Thermal Utility Expansion Requirements
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Thermal Utility Expansion Requirements
Sample Campus
Cooling Plants
Electrical Utility Expansion Requirements
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Existing Electrical Substation
Future or Expanded Electrical
Substation
Electrical Utility Expansion Requirements
Options for Exploring (Increase Efficiency)
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Investigate High Efficient Energy
Generation Methods: Cogeneration with Combustion Turbines
(similar to WCCF)
Clean burning coal techniques(atmospheric fluidized bed combustor -
AFBC)
Options for Exploring (Increase Efficiency)
Options for Exploring (Increase Efficiency)
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Options for Exploring (Increase Efficiency)
New AFBC Heating Plant at UNC
Cleaner burning coaltechniques
(atmosphericfluidized bedcombustor -AFBC)
Options for Exploring (Increase Efficiency)
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Options for Exploring (Increase Efficiency)
New AFBC Heating Plant at UNC
Options for Exploring (Increase Efficiency)
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Options for Exploring (Increase Efficiency)
New AFBC Heating Plant at UNC
Options for Exploring (Increase Efficiency)
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Options for Exploring (Increase Efficiency)
Thermal Energy Storage(chilled water)reduceselectrical use for chilledwater generation duringpeak times
Options for Exploring (Renewable Energy)
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Commitment toIncreasing the use of
Alternative/RenewableEnergy Resources Increase co-firing of coal
boilers with renewablebiomass energyresources Waste wood products,
corn stalks, energycrops (grasses, trees)
Historically the wastesource must be in
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Wind Power(purchase off site
through utilityprovider)
Hydrogen (fuel cells)
Geothermal
p p g ( gy)
Fuel Cell
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Questions?
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Q