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June 17, 2013 <br />Page 3 <br />Justification: The HVAC control system is 10 years old and does not function as designed. <br />Carrier no longer manufactures the control system and does not support it in the <br />field. Technical information is no longer available and repair parts /systems are <br />not available. The control system maltiiuctions frequently requiring a costly <br />repair, and operates less er eetively, thus wasting power. Replacement will <br />result in a more efficient HVA°C operation and attendant cost savings. <br />l= e+$lkFiWt�"� R..444�et , Z 0, � , f 'i.: `w,. h4 _ ...4F;. <br />Scope of Design and procureFIVAC control system, demalish/remove current system, <br />Work: install replacement contrails, program, test and finish as required, <br />See photos on the next page. <br />25A -19 <br />