ORD 2009-048 2008-2010 - Laserfiche WebLink

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(12) Amending Section 403. Section 403 is amended by adding Section 403.7 to read: "403.7 Residential pools. Residential pools shall be provided with energy conserving measures in accordance with Sections 403.7.1 through 403.7.3. 403.7.1 Pool heaters. All pool heaters shall be equipped with a readily accessible on-off switch to allow shutting off the heater without adjusting the thermostat setting. Pool heaters fired by natural gas shall not have continuously burning pilot lights. 403.7.2 Time switches. Time switches that can automatically turn off and on heaters and pumps according to a preset schedule shall be installed on swimming pool heaters and pumps. Exceptions: 1. Where public health standards require 24-hour pump operation; 2. Where pumps are required to operate solar- and waste-heat-recovery pool heating systems. 403.7.3 Pool covers. Heated pools shall be equipped with a vapor retardant pool cover on or at the water surface. Pools heated to more than 90°F (32°C) shall have a pool cover with a minimum insulation value of R-12. Exception: Pools deriving over 60 percent of the energy for heating from site-recovered energy or solar energy source." (13) Amending section 503.2.9. Section 503.2.9 is amended by repealing section 503.2.9 in its entirety and replaced to read as follows: "503.2.9 Mechanical systems commissioning and completion requirements. 503.2.9.1 System commissioning. Commissioning is a process that verifies and documents that the selected building systems have been designed, installed, and function according to the owner's project requirements and construction documents. Drawing notes shall require commissioning and completion requirements in accordance with this section. Drawing notes may refer to specifications for further requirements. Copies of all documentation shall be given to the owner. 503.2.9.1.1 Commissioning plan. A commissioning plan shall include as a minimum the following items: 1. A detailed explanation of the original owner's project requirements, 2. A narrative describing the activities that will be accomplished during each phase of commissioning, including guidance on who accomplishes the activities and how they are completed, 3. Equipment and systems to be tested, including the extent of tests, 4. Functions to be tested (for example calibration, economizer control, etc.), 5. Conditions under which the test shall be performed (for example winter and summer design conditions, full outside air, etc.), and 6. Measurable criteria for acceptable performance. 503.2.9.1.2 Systems adjusting and balancing. All HVAC systems shall be balanced in accordance with generally accepted engineering standards. Air and water flow rates shall be measured and adjusted to deliver final flow rates within 10 percent of design rates. Test and balance activities shall include as a minimum the following items: 7