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2022072 RFP for Spoonbill Marsh Maintenance <br />8.2 Frequency and Conditions <br />1. Once each year in March, CONTRACTOR shall vertical trim all trees three feet out from hand rail on <br />each side of boardwalk to create a clear zone. If weather conditions prevent scheduled mangrove <br />trimming, mangrove trimming will be rescheduled per the COUNTY. <br />2. All emerging mangrove under the boardwalk shall be removed from the site. <br />3. CONTRACTOR shall remove from the site all debris related to boardwalk trimming. <br />4. COUNTY may require additional mangrove trimming along the boardwalk after storm -related events <br />and will provide the CONTRACTOR written notice seven (7) calendar days in advance. <br />ITEM NO. 9 RUNNEL CLEANING AND DEBRIS REMOVAL <br />9.1 Summary <br />1. Runnels are discharge water channels interconnecting the ponds. Depth 1 to 4 feet. CONTRACTOR <br />shall furnish all labor, equipment, and incidentals required to remove debris from runnels (each <br />bank). <br />2. Runnel locations are shown in Drawing 9. <br />9.2 Frequency and Conditions <br />1. Once each year in May/June, CONTRACTOR shall provide maintenance cleaning to insure all runnels <br />are free of debris and obstructions, total of fourteen (14) runnels, various lengths and widths. Total <br />of 5,540 lineal feet. Depth 1 to 4 feet. If weather conditions prevent scheduled cleaning, cleaning <br />will be rescheduled per the COUNTY. <br />2. COUNTY may require additional cleaning of the fourteen (14) runnels after storm related events and <br />will provide the CONTRACTOR written notice seven (7) calendar days in advance. <br />3. Debris to be removed consists of overhanging canopy of mangrove trees impeding flow, fallen tree <br />limbs, and some tree roots. <br />4. CONTRACTOR shall remove all debris from the site. <br />ITEM NO. 10 MOSQUITO DITCH CLEANING <br />10.1 Summary <br />1. Mosquito ditches are the channels that drain the eastern 1/3 rd of the site. <br />2. CONTRACTOR shall furnish all labor, equipment, and incidentals required to remove debris from the <br />mosquito ditches (each bank). <br />3. Runnel locations are shown in Drawing 10. <br />4. Once per year for maintenance on all ditches. <br />10.2 Frequency and Conditions <br />1. COUNTY shall specify the mosquito ditches to be cleaned. (COUNTY anticipates CONTRACTOR <br />cleaning approximately 500' per year, as needed, to improve water flow.) <br />2. Mosquito ditches shall be cleaned during the dry season: February and March. If weather conditions <br />prevent scheduled cleaning, cleaning will be rescheduled per the COUNTY. <br />3. COUNTY may require additional cleaning after storm -related events and will provide the <br />Scope Page 6 <br />372 <br />