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Projects Updates for Land and Water iCAP Team

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  3. Mahomet Lots (Lot F-4) Permeable Pavement Proposal to SSC

    Associated Project(s): 
    Rainwater Management
    Rainwater Management Plans
    Use of Non-Potable Water (such as Greywater)
    Rainwater Capture Systems
    Land and Water iCAP Team

    Attached is the proposal, budget, and presentation for the upgrade of the Lot F-4 parking lot. 

    Attached Files: 

  6. 2019 SWATeam Kickoff with Attached Power Point

    Associated Project(s): 
    iCAP Working Group (iWG)
    Education iCAP Team
    Topical iCAP Teams
    Energy iCAP Team
    Land and Water iCAP Team
    Zero Waste iCAP Team
    Transportation iCAP Team
    Resilience iCAP Team

    Good afternoon!

     

    It was wonderful meeting many of you at the iWG and SWATeam Kick Off event yesterday afternoon. Thank you so much for attending and for your participation. It will be a great year and your efforts are very much appreciated. Please find the slides and handout attached, and be sure to reach out if you have any questions.

     

    As a reminder, Sarthak Prasad from the Transportation team mentioned that it would be helpful if you could take this short bike survey.

     

    Thank you again for your hard work and dedication to making our campus a more sustainable place! I look forward to meeting with you in the near future.

     

    Meredith

     

    --

    Meredith Moore

    Sustainability Programs Coordinator

    Institute for Sustainability, Energy, and Environment (iSEE)

    University of Illinois at Urbana-Champaign

    1101 W. Peabody, Urbana, Suite 338 (NSRC)

    217-333-0119

     

    [Power Point from Kickoff is attached, RC]

    Attached Files: 

  7. SWATeam Welcome Message

    Associated Project(s): 
    Energy iCAP Team
    Land and Water iCAP Team
    Education iCAP Team
    Transportation iCAP Team
    Zero Waste iCAP Team
    Resilience iCAP Team
    iCAP Working Group (iWG)

    Dear SWATeam members,  We are so happy to welcome you to the FY20 SWATeams, including Energy, Land and Water, Zero Waste, Transportation, Education, and the new Resilience Working Advisory Team (RWAT).  SWATeams are an important part of our overall Illinois Climate Action Plan (iCAP) efforts, and we truly appreciate your assistance and support! 

     

    In 2014, iSEE worked with the Office of the Chancellor to develop the formal sustainability procedures to support the Carbon Commitment.  These procedures established the SWATeams, the iCAP Working Group (iWG), and the Sustainability Council.  In 2018 Chancellor Jones and the Mayors of Urbana and Champaign signed a Resilience Proclamation, so RWAT is the newest part of our SWATeam process.  We are currently working on an update to the iCAP procedures document. We’re also updating the 2015 iCAP plan to the new 2020 iCAP, and FY20 SWATeams will contribute to such an important milestone of iCAP!

     

    For both returning and new SWATeam members, here are a few things to expect in the coming weeks:

    • iSEE Director Evan DeLucia will be sending a formal charge letter for each team.
    • iSEE Sustainable Programs Coordinator Meredith Moore is training the new SWATeam clerks and graduate assistant, Regina Cassidy.  Then the SWATeam clerks will contact you to schedule three full team meetings this semester, one in September, October, and November.
    • The SWATeam pages on iSEE have been updated, and we will be updating the iCAP Portal pages.
    • We will send you a schedule for the 2020 iCAP development, with specific timelines for the SWATeams to draft specific, measurable objectives for the 2020 iCAP.
    • You will receive an invitation to the SWATeam kick-off event, hosted by iSEE in September.

    As mentioned above, this year will be highly focused on drafting the 2020 Illinois Climate Action Plan iCAP.  Each of the SWATeams will be asked to recommend specific, measurable objectives for the 2020 iCAP.  To help facilitate this effort, the two of us, as co-chairs of iWG, will both be attending each full SWATeam meeting in September, October, and November.  The actual iCAP chapters will be written by members of the iWG and iSEE staff, based on the input received from SWATeams and campus, for review by the iWG.  In Spring 2020, there will be campus and community review of the draft chapters, and the SWATeams will be included as key stakeholders in that review process. Ultimately, the 2020 iCAP with a chapter for each SWATeam, and additional related chapters will be formally submitted to the Sustainability Council for campus approval.

     

    The University is committed to being carbon neutral as soon as possible, and no later than 2050, and to bolstering our community’s resilience to the impacts of climate change. SWATeams play a key role to achieve those goals. We thank you for your willingness to assist in the efforts that will make us a model of sustainability for the nation. Thank you for your time, your enthusiasm and your continuous efforts!

     

    Sincerely,

     

    Ximing Cai and Morgan White

    iCAP Working Group, co-chairs

     

  9. Water Use and Cycles of Concentration (COC) in a cooling tower

    Associated Project(s): 
    Reduce Cooling Tower and Chiller Plant Water Use
    Land and Water iCAP Team

    Below is information provided by Jeremy Overmann, B.S. Ch. E., Water Treatment Specialist, on the water use and cycles of concentration (COC) in a cooling tower, as requested after a Land and Water SWAT meeting. 

    "

    Water SWAT members,

     

    Here is some more information regarding the cooling tower discussion at today’s meeting.

     

    This first graph shows how much water a typical 100 ton Cooling Tower uses per hour, and how this changes when the tower is operated at various Cycles of Concentration (COC)

    NOTE:  a 1 ton cooling tower can remove 15,000 BTU/hr of heat.

     

    2Q==

     

    Most standard chemically treated Cooling Towers use unsoftened water and operate between 4 – 6 COC, depending on the source water quality (also called Make-Up water) and the efficacy of the chemical treatment program.

    As COC increases, the potential for formation of calcium scale (and possibly other types of scale) increases.  Scale deposits reduce the energy efficiency of the chiller and the cooling tower, and result in the need for labor intensive cleaning to remove the scale.

     

     

    The following table shows the relationship between volume of Cooling Tower blowdown (bleed), blowdown rate (% bleed), COC, and total water usage.

    Cycles of Concentration is controlled by choosing the rate of blowdown.  This is done by controlling the blowdown (bleed) valve at the bottom of the tower.

     

    COC

    BLOWDOWN

    TOTAL USAGE (Makeup)
     

    Gallons

    Percent

    Gallons

    Percent

    1.5

    10,000

    100%

    15,000

    100%

    2

    5000

    50%

    10,000

    66%

    3

    2500

    25%

    7500

    50%

    4

    1667

    17%

    6667

    44%

    5

    1250

    13%

    6250

    42%

    6

    1000

    10%

    6000

    40%

    7

    833

    8%

    5833

    39%

    8

    714

    7%

    5714

    38%

    Note: Evaporation = 5000 Gallons

     

     

     

    In a “Zero” blowdown cooling tower, softened water is used, and cycles of concentration ranges from 20 – 100 or higher.  To achieve proper water chemistry to provide corrosion protection, usually need to operate at > 20 COC. 

    During the Champaign Regional Office Building study, the highest COC achieved was 51.  The blowdown valve is turned off, however some water is lost from leaks in the tower, and from droplets of water that escape with the air that is drawn through the tower.

     

    COC

    BLOWDOWN

    TOTAL USAGE (Makeup)
     

    Gallons

    Percent

    Gallons

    Percent

    1.5

    10,000

    100%

    15,000

    100%

    5

    1250

    13%

    6250

    42%

    10

    555

    6%

    5550

    37%

    25

    208

    2%

    5208

    35%

    50

    102

    1%

    5102

    34%

    75

    66

    0.7%

    5066

    34%

    100

    51

    0.5%

    5051

    34%

    200

    25

    0.3%

    5025

    34%

    Note: Evaporation = 5000 Gallons

     

    "

     

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