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Look to energy savings system for STC High


August 27, 2012
By Joyce Wiese - News Correspondent , Toledo Chronicle, Tama News-Herald

An in-depth look at saving money on energy costs at South Tama High School is underway.

South Tama School Board members decided on Monday night, Aug. 13, to select Fred Malicoat, PE, an independent engineer, to develop and publish specifications for the installation of a computerized temperature control system in the STC High School facilities. Mailcoat will also evaluate bids received and recommend to the board the most cost effective computerized temperature control system to install. he will be paid up to $10,250.

Board members Michelle Yuska, Ron Hala, Mark McFate and Anne Michael met at the Professional Learning Room at the Partnership Center in Tama. Member Jackie Dvorak was absent.

A resolution was also approved to authorize the school board president and secretary and Superintendent Kerri Nelson to execute the necessary documents, purchase orders and lease agreements necessary to purchase or lease and install a computerized temperature control system including, optional mechanical equipment monitoring and mechanical equipment voltage protection if less than $260,000.

This includes the electronic actuators and valves, and the payback from savings is less than 10 years.

Joanne Hofer, STC director of Finance and Operations, invited representatives from EPM, manufacturers of computerized temperature control systems, from Fulton, Mo. to make a presentation to the school board.

Computerized Temperature Control systems are designed to replace conventional temperature control systems, except actuators, assuming control of the heating and air conditioning systems. Replacing the conventional temperature controls except actuators, and changing the operating control protocol of the mechanical equipment thereby increasing building comfort and reducing the total building cost to the lowest possible level.

Details of the system cost and benefits include:

basic conventional temperature controls system would cost $182,175.

mechanical equipment monitoring cost would be $40,303.Three Phase/over/under voltage protection cost is $3,000.

electronic actuators replacing pneumatic actuators and CO2 ventilation control cost is $30,175.

savings cost is estimated at lowest utility additional savings estimate at 20.85 percent

total system cash payback months--96 months

12-year total savings before cash recovery - $378,778.00

total Conventional temperature control internal rate of return-8.49 percent

cost per point--$428.99

Alliant Energy provides electric and natural gas service. The high school is currently billed for electrical demand kilowatt usage. The CTC system will control the monthly electrical demand through Wide Area Temperature Based Aggregate Demand Limiting (WATBADL). All hardware and software will be in place performing electrical demand limiting to reduce demand charges.

The facilities consumed 59.82 KBTU per square foot per ear. 45.00 KBTU per square foot per year energy should be the energy use for this type of facility. This provides for a 24.77% savings opportunity. The reduction in energy consumption is available from the more sophisticated integrated programs in the CTYC system, not Direct Digital Control (DD C), or conventional night setback systems.

In other business:

Superintendent Nelson told board members she was considering starting a volunteer mentoring system to aid students in many fields, academic, social, etc. Nelson has worked in this type of system previously and stated she felt it would be a wonderful opportunity for the South Tama students. The proposal will be further evaluated by the board.

contracts issued were for P.C. Food Service under Dalene Hala, effective August 22, at $11.23 per hour for three hours for 180 days; Audrey Evans for 3 hours at $10.66 for three hours for 180 days; and Elizabeth Forde at $11.15 for 6.75 hours for 186 days, both with High School Food Service and effective August 22, 212

volunteers approved were Doug Stadler for volleyball and Mike Stein for football coaching, effective August, 2012.

the final reading of several policies were approved. Classified Employee Contracts, Classified Transfer in Assignment, Classified Suspension and or Dismissal, Classified Resignation or Release of Contract, Classified Employee Compensation, Classified Employee Absences with loss of pay, Support Staff Extended Disability Leave, Substance Abuse, Support Staff/classified employee, and graduation requirements.

each year the South Tama County Food Service program prepares meals for Mid Iowa Community Action's Tama Head Start program in Tama and invoices the program accordingly. This agreement is identical to years past, except the price has been increased to $2.30 a meal. These meals are picked up by MICA/Head Start.



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