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ASR - 5 1994 <br />BOOK 92 FACE 58. <br />E. Install new ductwork, variable air volume control boxes, hot water piping remove all existing <br />mechanical piping, ductwork and equipment associated with existing systems and complete <br />one zone at a time. <br />F. Change over another zone from old system to new system as each zone is completed: <br />G. After all zones are complete tie in existing chiller to new system where it will serve as a <br />standby. <br />H. Test and balance each new zone. <br />I. Commission each new zone. <br />J. Decommission all existing equipment and systems no longer required for the operation of <br />the building. <br />Our preliminary estimate of the cost of this retrofit includes the installation of a new addressable <br />fire alarm system and a new fire sprinkler system. The reason for the inclusion of this work is that <br />it can best be done when ceilings are down for ductwork installation. It should be realized that the <br />costs are developed without the benefit of detailed plans and are subject to change when detailed <br />plans are available. <br />1. New HVAC system as described herein and as shown by the schematic in Appendix V <br />$450,000.00 <br />2. Ceiling work necessitated .by the installation of new ductwork and the installation of new <br />ceiling tiles - general work of cleaning, cutting and patching. <br />$160,000.00 <br />3. New Addressable Fre Alarm System $60,000.00 <br />4. New Fre Sprinkler System $150,000.00 <br />5. Electrical Work to Connect New HVAC System $80,000.00 <br />6. Total Contract Work $900,000.00 <br />7. Engineering Fees $90,000.00 <br />8. Total Cost $990,000.00 <br />9. Contingency at 15% 148.500.00 <br />10. Grand Total Cost $1,138,500.00 <br />Mr. Grinell summarized that the County Administration Building <br />has not reached the point where mold and mildew are growing <br />everywhere, which would require the building to be vacated. The <br />maintenance crew has been doing a good job, but the system is under <br />stress and a decline is under way. He compared the building to a <br />sponge that is slowly soaking up moisture due to the high humidity, <br />and at some point it will reach the saturation level. He <br />encouraged the Board to take action before this becomes a crisis. <br />34 <br />- M <br />