AUGUST 21- 23, 2018 • CLEVELAND, OHIO › sites › default › file… · Maintenance Routine...
Transcript of AUGUST 21- 23, 2018 • CLEVELAND, OHIO › sites › default › file… · Maintenance Routine...
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A U G U S T 2 1 - 2 3 , 2 0 1 8 • C L E V E L A N D , O H I O
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Ventilation Management in Laboratories: Big Energy Savings and Improved Safety
Thomas C. SmithExposure Control Technologies, Inc.
Genna WaldvogelLos Alamos National Laboratory
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Airflow Management for High Performance Labs and Critical Control Environments
Exposure Control Technologies, Inc.919-319-4290
Thomas C. SmithPresident
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Labs are specially designed to provide safe and controlled environments that promote science
Hazards• Chemical • Biological• Radiological• Physical
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Laboratory buildings are expensive and complicated
• Average Size of Lab Building ≈ 100,000 ft2
• Cost of Construction(USA) ≈ $45 Million to $100 Million
• Energy Cost ≈ $700,000/year ( Avg. $7 per ft2)
• Lab HVAC and Fume Hoods ≈ 30% of Construction Cost
• Fume Hood Installation ≈ $25,000 - $50,000 each
• Fume Hood Annual Cost ≈ $2,400 – $5,000 per year
Lab HVAC Energy Use
45% to 85% of the energy is consumed by Fume Hoods and the Lab HVAC Systems
As much as 50% of HVAC energy is wasted by excess airflow, inefficient fume hoods and improper modulation of flow
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Improperly designed and aging labs can adversely affect safety, energy use, operating costs and research results
• Fail to meet occupant needs
• Poor control of environmental conditions
• Increased risk and potential for liability
• Inefficient and costly to operate
• Poor retention and recruitment of talent
• Escalating Deferred Maintenance
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Success requires a combination of efforts • Design and Mechanical Attributes
− High performance fume hoods
− Variable Air Volume Systems
− High efficiency mechanical systems
− Building information and control systems
• Management and Leadership− Occupant Information and Floor Plans
− Ventilation Safety Demand Assessment
− System Diagrams and Airflow Specifications
− Airflow Management Program (AMP)
− LVMP Manager / Coordinator Lab Ventilation Management Plan
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Smart Labs™ provides a roadmap to success
IssuesGoals
Plan
Assess
Optimize
Manage
SafeEfficient
Sustainable
• Safety• Energy Efficiency• Lab Conditions• Operating Costs• Deferred Maintenance• Reliability
Smart Lab
Qualitative Scoping Study
Quantitative Performance
Audit
Construction/Renovation
Performance Management
Plan
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Roadmap to Smart Labs™ High Performance Ventilation Systems
Construction/RenovationDesign / Assessment Performance ManagementContractsPlan
Management of Change(MOC)
Contract
Construction Renovation& System Upgrades
ProjectContracts TAB
& CX
M&VBenchmark
Performance StakeholderReview
Engineering &
Specifications
LVMP Maintenance
&Monitoring
LVRA Trigger Points
Lab Ventilation
Management Plan
&Training
Periodic Smart Labs
Reports
Timeline
Lab Ventilation
Risk Assessment
(LVRA)
PIMs, ECMs,
&Energy Model
Project SOW &Budget
Feasibility Analysis
&Funding
System Operating
Tests
Lab & Hood Tests
Lab Safety & Energy
Profile(RELSA)
Funding &
Contracts
AssessHVAC & Controls
AssessExhaust and Air Supply
Establish Performance & Operating
Specs
Phase 2Optimize
Phase 1A and 1BPlan and Assess
Phase 3Manage
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Ventilation drives both safety and energy use
RM 204RM 201 RM 202B RM 203RM 202A
LFH3LFH2LFH1
Ex. Fan(s)
45
VFD% OABD% VFD%45
SupplyEnergy
Average
Min
Max
ER Coil
ECAV1 EVAV2 EVAV4 EVAV5 EVAV6EVAV3
dP°T °T °T
SVAV2 SVAV3 SVAV4
OCC
DAQSP
BAS Total FlowDAQ
SVAV2
SP
SVAV1
45
VFD%
∆T
r & Cooling Tower
Exhaust
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The Demand for Ventilation establishes the design and operating requirements
Minimum flow and range of modulation required to meet the safety and functional requirements of the occupants
• Safety (Risk)– Fume Hood Flow– Contaminant Removal (ACH)– Isolation (Lab Pressurization)
• Comfort & Productivity– Temperature – Humidity
• Occupancy & Utilization
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The Airflow Control System is intended to modulate flow to meet the demand for ventilation
• Unoccupied Lab – Sashes Closed – Min. Conditioning Required
• Occupied Lab – Sashes Open – Max Conditioning Required
• Occupied Lab – Sashes Closed – Max Conditioning Required
°T
dPdP
TotalExhaust
Flow
TotalSupply
Flow
• Occupied Lab – Sashes Open – Min Conditioning Required
Max
Min
Max
Min
Qt = C
°T
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The range of modulation should match occupancy and utilization of the labs and hoods
Max Supply
Min Supply
Max Exhaust
Min Exhaust
80000
90000
100000
110000
120000
130000
140000
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
D
T
Flow
-cf
m
BAS Trend of Combined Flow for AHUs 11&12,13&14,15&16,19&20 (Week September 1 - September 9, 2012)
Max Flow
Min Flow
AverageFlow
M T W H F
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Operation and energy consumption should correlate with demand
Supply
Energy
Average
Min
Max
Exhaust
$/ft2 cfm/ft2 $/cfm
Maximum savings are achieved by reducing total airflow and improving system efficiency
Energy Airflow Efficiency
Demand ⇒ Operation ⇒ Energy
BTU/ft2
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Copyright © 2018Proprietary & Confidential. Copyright © 2018 3 Flow, inc. All rights reserved.
High performance requires understanding the demand for ventilation, appropriate airflow specifications and ensuring proper operation
How Much Flow is Required?
Where is the Flow Required?
When is the Flow Required?
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°TdP
The demand for ventilation is a function of risk, use of the lab and the functional needs of the occupants
Airborne Hazards and Processes• Exposure Control Level• Quantity• Potential for Generation• Concentration Profile
Airborne Hazards
Risk Spectrum
Negligible
Extreme
Low
Moderate
Very High
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The level of protective capability is a function of the design attributes, configuration and operation
Isolation
dP dPDCV
Filtration
Level of Protective Capability• Type of Exposure Control Devices• Quality and Quantity of Airflow• Sensors, Controls and Monitoring
Protective Capability
Negligible
Extreme
Low
Moderate
Very High
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Risk is mitigated by lab design attributes, operating specifications and work practices
Protection:Exposure Control
Device
Protection:Lab Design and Operation (ACH)
Glove BoxIsolator
Fume HoodBSC
Ventilated Enclosure
Canopy
Snorkel
10 ACH
8 ACH
6 ACH
2 ACH
4 ACH
12 ACH
Airborne HazardExposure
Risk Spectrum
Risk Level
N/ANegligible
Extreme
Low
High
Moderate
Very High
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ASHRAE – Classification of Lab Ventilation Design Levels
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The Lab Ventilation Design Levels (LVDLs) describe the physical attributes and operating parameters that provide levels of protection
LVDL-0• Limited Isolation• No Exposure Control Devices• No Filtration or Redundancy• Low Airflow and Possible Recirculation
LVDL-4• Physical isolation and pressure control• Fume Hoods and Special ECDs• Filtration, Redundancy, Backup• Effective Ventilation and High Airflow
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Is the protective capability of the space sufficient to mitigate the risk of exposure ?
Risk
Negligible
Extreme
Low
Moderate
Very High
Protective Capability
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Is the protective capability of the space sufficient to mitigate the risk of exposure ?
Negligible
Extreme
Low
Moderate
Very High
Protective CapabilityRisk
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The protective capability must exceed the demand for ventilationDemand for Ventilation
• Airborne Hazards (Risk)• Conditioning• Utilization
Protective Capability• Design• Configuration• Operation
≥
Filtration
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A Lab Ventilation Risk Assessment (LVRA) determines the demand for ventilation and the required protective capability of the space• Survey Laboratories
1. Assess Exposure Control Devices (ECDs)
2. Assess Lab Environment
• Categorize Risk Using Control Bands
• Determine Hazard Emission Scenarios
• Establish Performance Requirements
• Derive Recommended Operating Specifications
– Minimum Fume Hood Flow
– Minimum Laboratory ACH
– Exhaust Stack Discharge Requirements
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The LVRA is used to assign Risk Control Bands that represent Hazard Emission Scenarios
Hazard Emission Scenario
• Exposure Limit (concentration)• Quantity• Potential Generation Rate• Concentration Profile
Risk Control
BandDescription
0 Negligible
1 Low
2 Moderate
3 High
4 Very High
5 Extreme
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Risk Factors for Labs are identified, rated and weighted for assigning Risk Control Bands and Operating Specifications
Utilization - Airborne Hazards and Processes• Chemical Hazard Rating• Quantity of Hazardous Material• Chemical Generation Potential
• Methods of Generation and Source Locations• Potential for Change
Lab Design and Operation• Appropriate ECDs
• Ventilation Effectiveness (Sweep)
• Isolation and Controls
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Score carding risk factors enables RCB assignment
Total Score
Control Band
Description
< 16 0 Negligible
16-40 1 Low
41-64 2 Moderate
65-88 3 High
89-120 4 Very High
121-160 5 Extreme
Negligible
Extreme
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RCBs differentiate labs and identify areas of concern
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Risk Control Bands are associated with minimum design and operating specifications
Ratings, Weightings and RCBs Adjusted per Site RequirementsUnocc Set back Recommendations
LVRA – Risk Control Bands and Lab Operating Specifications
Laboratory SpecificationsRisk Control Band
0 1 2 3 4 5
Minimum Effective Occupied ACH N/A 2 4 6 8 10
Recirculation of Lab Air Yes Yes Filtered Internal Internal No
Lab Pressurization “w.g. Neutral Neutral < -0.005 < -0.01 < -0.05 = > -0.05
Room Monitor N/A N/A N/A Review Yes Yes
Airlock/Vestibule N/A N/A N/A N/A N/A Yes
Enthalpy Wheels Yes Yes Review Review No No
Min Effective Unoccupied ACH N/A 1 2 3 4 N/A
Emergency Purge Mode No No No No Review Yes
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New technologies have been developed for safer more efficient and more sustainable labs
Fume Hood upgrades:• Better containment• Lower flow
High VEFF Diffusers• Better Distribution• Lower Flow
Demand Control
Ventilation
VAV Valves:• More Accurate• Better Control
T
100
DCV Occ
Greater than 40% reduction
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A Lab Ventilation Management Program (LVMP) provides the structure to achieve and maintain safe, energy efficient and sustainable labs.
Key Components of an Lab Ventilation Management Program (LVMP)
Risk, Demand for Ventilation & Airflow Specifications
High Performance Hoods and Airflow Control Systems
Building Information, Dashboards & Analytics
Management, Operations & Maintenance Plan
I
II
III
IV
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Lab Ventilation Management Program (LVMP) is a Coordinated Team Effort
• Stakeholder and LVMP Team (In-house and Contractors)– Facilities and Energy Engineers– Environmental Health and Safety– Lab Staff Representatives– HVAC Systems Engineer– Laboratory Hood Specialist – Building Controls Operator– Mechanical Maintenance– TAB Contractor– Commissioning Contractor
• LVMP Manager/Coordinator
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Lab Ventilation Management Program is comprised of multiple elements
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Operating Manual for Building Systems Performance Management Plan
• Lab Ventilation Risk Matrix
• Accurate Drawings / Diagrams
• Equipment Inventories and Information
• Appropriate Flow Specifications
• Control Sequences and Parameters
• Key Performance Indicators and Metrics
• Standard Operating Procedures
• Adequate Training for Stakeholders and Staff
Protect Return On Investment
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The LVMP provides training for all stakeholders
• Lab Personnel• Maintenance • Building Operators
• Program Managers & Supervisors- Facilities Engineering
- Operations and Maintenance
- EH&S
- Lab Management LVMP Manager Coordinator
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Management
LVMPManager
Facilities Engineering Operations
EH&SR&D
Space Planning
BAIS Monitoring
System Analytics
Mech. Equip. Maintenance
Routine Lab Inspection
Routine ECD Tests
LVRA Construction Project
Management
Trades Coordination
VEFF Ratings
The LVMP Manager integrates and coordinates the efforts of key stakeholders
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The roadmap accelerates implementation, reduces risk and yields more predictable results
3-6 Months 3-18 Months 6-12 Months
1 - 3 years
6-10 years
Plan Assess Optimize ManageMulti-BuildingScoping Study
Lab Building 1 Demand Assessment
Building 1Optimization
Project
Smart Labs Lifecycle Management & Maintenance Program
Building 2Phase 2
Optimization Project
Building 3Phase 2
Optimization Project
Building 4Phase 2
Optimization Project
Building 5Phase 2
Optimization Project
Smart Labs™ Phase 1 - Level II Assessment Project
Smart Labs™ Phase 1 - Level II Assessment Project
Smart Labs™ Phase 1 - Level II Assessment Project
Smart Labs™ Phase 1 - Level II Assessment Project
Lab Building 2 Demand Assessment
Lab Building 3 Demand Assessment
Lab Building 4 Demand Assessment
Lab Building 5 Demand Assessment
Building 2Optimization
Project
Building 3Optimization
Project
Building 4Optimization
Project
Building 5Optimization
Project
Prioritize and Select Building
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The Roadmap to Smart Labs™ – Proven Results
• Safer Labs
• Dependable Performance
• Compliance with Standards
• Mitigate deferred maintenance
• Significant Energy Reduction
− > 500 Billion BTUs
− > 150 Million kWh
• Cost Savings
− > $6 Million per Year
− Typical Payback 1 - 5 years
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New methods and technologies deliver benefits of predictably safer and more energy efficient labs
UniversitiesGovernment PharmaceuticalChemical
Biotechnology Industry
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The right flow in the right place at
the right time!™
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Copyright © 2018
Questions
Thank You!
Exposure Control Technologies, Inc.919-319-4290
www.exposurecontroltechnologies.com
Thomas C. Smith
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How to Create a Ventilation Management Program
A Case Study: Tips and Tricks at Los Alamos National Laboratory
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Genna Waldvogel LVMP Coordinator and Civil & Environmental Engineer Los Alamos National Laboratory
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Quick Overview of Presentation
LANL’s Smart Lab Core Team Focus Facilities Case Studies:
• 35-0085 – Biochemistry • 48-0107 – Radiochemistry
Future Work for Ventilation Management
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Smart Labs Core Team
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Smart Labs Core Team- Common Goal & Roles and Responsibilities
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Laboratory Ventilation Management Program Success• We created Roles and Responsibilities for all LVMP members and for all phases
• We have created communication between all team members, including laboratory tenants: • We have involved tenants with Status Update Board and Weekly meetings
• We had training: (ESH, IH, Maintenance, Cx, BAS) • LVRA • HVAC Systems and Laboratory Test Analysis• Implementing Building Management Plan (BMP)
• We have developed:• Preventive Maintenance Plan • Hibernation Protocol• An Exposure Assessment with Risk Control Banding (in process) • Fume Hood Annual Certification Process Revisions and Hood Team (in process)• Fume Hood Database with connection to exhaust fans and all ID numbers being used
• CEREBRO: • Safety net to make sure chemicals and ACH match the risk control band for the space (in process)
• We are tracking status for all buildings and metrics for all buildings
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Focus Facilities
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Weapons Programs• Weapons Physics Design• Weapons Physics Computation• Weapons Engineering• High Explosives• Plutonium• Tritium/GTS • Uranium, Be, Salts, Metals• Detonators• Component Fabrication and Assembly• Integrated and Environmental Testing
Science, Technology and Engineering• Chemistry, Earth and Life Sciences• Accelerator Science• Engineering Sciences• Materials and Physical Sciences • Theoretical and Computational
Sciences
Global Security• Nuclear Nonproliferation• Nuclear Counter-proliferation• Non-nuclear Threats• Energy and Resource Security
Waste Management• Enduring Waste• Legacy Waste
Institutional Operations• Business Services• ES&H• Nuclear & High Hazards Ops• Security and Mission Assurance
Director’s Office • Institutional Management
Capital Projects• Project Management Services
36 square miles 47 technical areas 1,280 buildings/ 9M sq. ft. 11 nuclear facilities 268 miles of roads
8,000 career employees 2,250 R&D scientists and engineers 350 postdocs 1,600 students at peak
$2.5B budget 60% Weapons Program 4,700 projects 600 B&R codes
5 PADS 14 Directorates 80 Divisions
The Laboratory is an integrated and dynamic system of people, facilities, equipment, materials and services that supports our national security mission
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Fume Hoods at LANL Fume Hood Distribution at LANL STO Fume Hood Distribution
64% of Hoods are in the Science
and Technology Operations
(STO) Facilities
50% Chemistry,
Life and Earth Science
44% Experimental
Physical Science
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Development of a Laboratory Ventilation Management Program• Selected 5 buildings to implement Smart Labs• All existing buildings in various stages of needing maintenance, upgrades, and old/new lab equipment
• 03-1698: – Next Step: Benchmark operations and BMP
• 35-0085– Pilot Building– Controls Design In Process– Next Step: Design Implementation
• 48-0001: – Large RCx projects repairs
• 35-0213– BAS implementation– Large RCx project repairs– RCD for Smart Labs design and Implementation
• 48-0107:– Is it a Smart Lab?– Building Management Plan (BMP) creation
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TA35-0085Biochemistry Facility
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Current Status - Unstable Conditions
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Current Status – Risk Control Bands
Table 1 Description of Risk Control Bands
Risk Control Band Description
0 Negligible
1 Low
2 Moderate
3 High
4 Very High
5 Extreme
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Current Status – Energy Metering
0
20000
40000
60000
80000
100000
120000
140000
October November December January February March April May
Ener
gy C
onsu
mpt
ion
(kW
h)
Month
Yearly Comparison of 35-0085 Energy Consumption Without New Appliances
2013-2014 2014-2015 2015-2016 2016-2017 2017-2018
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Current Projects Hood ID Height 1 Height 2 Total Savings Height 3 Total Savings Height 4 Total Savings Height 5 Total Savings Height 6 Total Savings Height 7 Total Savings Height 8 Total Savings
19540 10 13 30% 6 -40% 4 -60% 5.5 -45% 6 -40% 6 -40% 4 -60%
19550 7 10 43% 5 -29% 5.5 -21% 6.5 -7% 7 0% 10 43% 5 -29%
19560 4 1 -75% 2 -50% 3.5 -13% 2 -50% 2 -50% 1 -75% 0 -100%
19570 3 2 -33% 3 0% 2 -33% 2.4 -20% 2 -33% 1 -67% 3 0%
19580 6 28 367% 18 200% 6 0% 6 0% 1 -83% 12.5 108% 3.5 -42%
19590 5.5 6 9% 4 -27% 4.5 -18% 3.2 -42% 15 173% 13.5 145% 5.5 0%
19600 10 10 0% 7 -30% 7 -30% 8.5 -15% 8 -20% 10.5 5% 10 0%
19610 22 22 0% 8 -64% 6.5 -70% 6 -73% 10 -55% 7.5 -66%
19620 6 17 183% 11 83% 7 17% 3.5 -42% 5 -17% 4 -33% 5 -17%
19630 5 10 100% 5 0% 3.5 -30% 5 0% 3.5 -30% 3 -40%
19640 8 6.5 -19% 9 13% 8 0% 7.3 -9% 6 -25% 7 -13% 7.6 -5%
19650 8 7 -13% 5 -38% 9.5 19% 9 13% 9 13% 6.5 -19% 6 -25%
19660 8 0.5 -94% 0 -100% 0 -100% 0 -100% 3 -63% 3 -63% 3 -63%
19670 10 9 -10% 3 -70% 7.8 -22% 9 -10% 9.5 -5% 9 -10%
19680 10 17 70% 9 -10% 8 -20% 9.5 -5% 9.2 -8% 19 90% 9 -10%
19690 11 13 18% 7 -36% 9 -18% 10 -9% 9 -18% 12 9% 8.2 -25%
19700 6 5 -17% 5 -17% 3 -50% 4 -33% 0 -100% 7.5 25% 2.3 -62%
19710 11 18 64% 7 -36% 10 -9% 3 -73% 3 -73% 10 -9% 12 9%
19720 18 10 -44% 6 -67% 5.5 -69% 5.5 -69% 5.5 -69% 5.5 -69% 6 -67%
Average 8.9 10.8 22% 6.3 -29% 5.8 -34% 5.4 -39% 5.8 -34% 8 -10% 5.8 -35%
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Current Projects
$1,568.29
$490.09
$-
$500.00
$1,000.00
$1,500.00
$2,000.00Do
llar A
mou
nt /
Year
Fixture Types
Price of Fixtures per Year
CurrentNew LED
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Future Projects – Engineering
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TA48-0107Radiochemistry Facility
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Current Status – Recently Renovated
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Current Status – Energy Metering
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
CY18 41,347 40,886 47,410 42,552 57,902 51,039 47,567
CY17 = 226 MWH 0 0 0 0 0 0 0 51,426 48,730 44,718 40,104 40,852
CY14 = 91 MWH 17,078 15,470 17,398 15,486 13,960 12,031 0 0 0 0 0 0
CY13 = 241 MWH 16,864 16,223 19,824 16,911 19,635 22,005 25,888 24,855 21,121 20,786 18,873 18,141
CY12 = 261 MWH 21,719 20,259 23,247 23,491 24,974 27,584 25,358 24,573 21,172 17,771 14,931 15,425
CY11 = 286 MWH 19,699 18,802 18,582 18,851 21,375 29,314 32,510 34,215 27,045 24,533 20,563 20,907
0
10,000
20,000
30,000
40,000
50,000
60,000
70,000
KWH
48-0107 ElectricGSF = 3,225
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Current Projects
Table 1. Estimated time, cost, and savings estimate comparison
Cost Description Estimated Cost Estimated Savings
Sash Stickers Installation $ 100.00 $ 10,400.00
Manifolded Exhaust Stacks and Balance of Ventilation System: $ 157,500.00 $ 15,153.18
Automated Time/ Motion sensors for Lighting $ 1,000.00 $ 946.08 Estimated Totals: $ 158,600.00 $ 26,499.26 Estimated Payoff Time: ~6 years
ROI for Smart Lab Upgrades
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Future Projects
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Future WorkVentilation Management
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Future Projects
Annual Preventative Maintenance Annual Risk Control Banding Continue Weekly Meetings with Tenants Fume Hood Team PilotHibernation Protocol Pilot CEREBRO Pilot
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Questions?
Joseph W. KloseProgram Manager
Sustainability Group-UI [email protected]
Off: +1 505-665-8410Cell: +1 505-695-5237
Monica R. WittSustainability Officer & Program Manager
Sustainability Group-UI [email protected]
Off: +1 505-667-0540Cell: +1 505-412-1762
Sonia Ballesteros RodriguezLead Sustainability Analyst & Industrial Engineer
Sustainability Group-UI [email protected]
Off: +1 505-667-0540Cell: +1 505-412-1762
Genna G. WaldvogelLVMP Coordinator & Civil Engineer
Sustainability Group & Engineering Services-ES UI [email protected]: +1 505-665-9963Cell: +1 505-551-2373