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ITEM NO. 3 INVASIVE SPECIES CONTROL 3.1 Summary 1. CONTRACTOR shall have prior experience eradicating and controlling non-native invasive species of grass and trees. 2. CONTRACTOR shall furnish all labor, equipment and incidentals required for eradicating non-native invasive species of grass and trees. 3. Invasive species emerge along the roads, along the river boardwalk and on the high, marsh islands. COUNTY will assist in identifying those areas with invasive species. 4. The extent of invasive species is shown in Drawing 3. 3.2 Frequency and Conditions 1. CONTRACTOR shall eradicate all non-native invasive species four (4) times per year, once in March, May, July and September. If weather conditions prevent scheduled eradication, eradication will be rescheduled per the COUNTY. 2. Eradication method shall be cutting trees at the base and spraying with a defoliant. All cuttings shall be removed from the site. Smaller trees shall be sprayed in place and wood removed after foliage drops. Grasses shall be sprayed. 3. CONTRACTOR shall apply defoliant spray per manufacturer's directions. 4. CONTRACTOR shall submit an hourly rate. The work requirements will vary. ITEM NO. 4 SUMP, TRASH SCREEN AND WETWELL CLEANING 4.1 Summary 1. CONTRACTOR shall furnish all labor, equipment and incidentals required to clean the sump, trash screen and wetwell. 2. Sump, trash screen and wetwell shown in Drawing 4. 4.2 Frequency and Conditions 1. CONTRACTOR shall clean sump, screen and wetwell quarterly, four (4) .times per year: once in March, June, September and December. If weather conditions prevent scheduled cleaning, cleaning will be rescheduled per the County. 2. Type II Turbidity Curtain may be required as a protective barrier for work area as shown in Drawing 4. Turbidity curtain shall be removed after County completes a site inspection. 3. An experienced diver, PADI certified or equivalent, is required for working inside of the wetwell. Exhibit 1 — Page 2