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<br />RFP 24-057 <br /> <br />587-0702 <br /> <br />1. Measure the airflow (feet per minute), static pressure (inches water column) <br />and velocity pressure (inches water column) into the unit. Airflows will be <br />within 5% of the specified value before testing may commence. <br />2. Measure the airflows into each individual cell or tower. Airflows will be within <br />5% of equal or specified distribution before testing may commence. <br />3. Using the Draeger pump and H2S tubes, verify the inlet H2S concentration is <br />less than 1,000 ppm. <br />4. Connect the low range Odalog MOSS-2 tube to the exhaust of the scrubber. <br />Connect the high range (0-200 or 0-1000 ppm as appropriate) Odalog <br />MOSS-2 tube to the foul air collection system. Coordinate sampling <br />locations with the CITY or CITY'S representative. Odalogs will be set to log <br />time, temperature rF) and H2S concentration at two-minute intervals. Log <br />data for of two weeks. Odalogs must logging data during the remainder of <br />the tests. <br />5. Using the Jerome 631-X meter, log exhaust H2S concentrations at two- <br />minute intervals. <br />6. Using the Draeger pump and ammonia tubes, measure the inlet and exhaust <br />ammonia concentration on three separate times (allow at least one hour <br />between samples). <br /> <br />F. Testing Report: PROPONENT will submit the following: <br /> <br />1. <br /> <br />CD-ROM containing the original Odalog data files and files exported into <br />Microsoft Excel format. Written report will include graphs of Odalog data. <br />Dimensioned drawing showing locations and identification of samples taken. <br />Date, time, sample and results of each sample taken. <br />Airflow rate, static and velocity pressures at the time of sampling. <br />Any deviations from the test procedure with an explanation. <br />Original log of sample information including but not limited to duration of <br />each sampling event and overall performance test, equipment type used for <br />each sampling event, type of constituent measured in each sampling event. <br /> <br />2. <br />3. <br />4. <br />5. <br />6. <br /> <br />I <br /> <br />I <br /> <br />G. Acceptance: Determination of satisfactory performance will be made by the CITY <br />or CITY'S representative based on the above performance testing or additional <br />testing as needed. Acceptable H2S removal will be determined by averaging the <br />data logged inlet H2S concentrations and averaging the consistent exhaust <br />concentrations measured by the Jerome meter or dataloggers as appropriate. <br />Acceptable ammonia removal will be determined by averaging inlet and exhaust <br />concentrations as measured by Draeger tubes. Odor sampling will be performed in <br />accordance with ASTM E679-91 and EN 13729. If the sampling results do not <br />meet the requirements of Section 2.01.8, the PROPONENT will be given four <br />weeks to make necessary modifications to the odor control system before a retest <br />is conducted. The CITY may withhold the cost of any retest from the <br />PROPONENT's final payment. If the system fails two retests, the PROPONENT <br />will remove and replace the odor control system with one that meets the I <br />requirements, at its sole cost. <br /> <br />11 065-13 <br />