RSW_Mit_Park_Imperial_Marsh_South_Tech_Specs_2026-27.pdf

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SOUTHWEST FLORIDA INTERNATIONAL AIRPORT

AIRPORT MITIGATION PARK

FY 2026–2027 TECHNICAL SPECIFICATIONS

FOR TREATMENT OF EXOTIC AND NUISANCE SPECIES

FOR IMPERIAL MARSH SOUTH

July 2026

This document includes the technical specifications associated with the bid request for the services detailed below at the Southwest Florida International Airport (RSW) Airport Mitigation

Park. The objective of the work is to treat exotic and nuisance species in the areas identified within

Imperial Marsh South.

1.0 Project Summary

This bid package is for the treatment of exotic and nuisance vegetation species within the

Imperial Marsh South management unit of the Airport Mitigation Park. The Project Location Map shows the locations of RSW and Airport Mitigation Park (Exhibit 1). The treatment areas are as follows (Exhibit 2):

• Treatment Area A1 – 644.63± acres

• Treatment Area A2 – 1,049.79± acres

• Treatment Area B – Spring: 651.23± acres

• Treatment Area C – Winter Mow: 104.17± acres

• Treatment Area D – Spring (Post-Mow): 106.34± acres

All treatments are one-time events.

The treatments include all Florida Invasive Species Council (FISC) exotic species within the project area, including but not limited to species such as melaleuca (Melaleuca quinquenervia), Brazilian pepper (Schinus terebinthifolia), torpedograss (Panicum repens), Wright’s nutrush

(Scleria lacustris), West Indian marsh grass (Hymenachne amplexicaulis), carrotwood

(Cupaniopsis anacardioides), caesarweed (Urena lobata), climbing cassia (Senna pendula), Old

World climbing fern (Lygodium microphyllum), earleaf acacia (Acacia auriculiformis), cogongrass (Imperata cylindrica), spermacoce (Borreria verticillata), and Peruvian primrosewillow (Ludwigia peruviana) within the bid treatment areas. In addition, those species

-2-listed in Table 1 will be targeted where they are found and/or where vines encroach the tree canopy.

The Notice to Proceed (NTP) for work to be conducted will depend on approval of funding by the Owner (i.e., Lee County Port Authority (LCPA)) for that specific year. The LCPA reserves the right to release a portion of the work, or none of the work, during any given fiscal year depending upon the availability of funds for the fiscal year. The contracted work under the bid will be for the treatment events within the bid treatment areas.

Provided there are no schedule delays due to weather conditions or other situations outside of the Sub-Contractor’s control, the anticipated start date for the work under the bid will be after the NTP is issued in late January 2027. Any work performed under this contract shall follow the schedule in the contract (Table 2). Woody/shrubby vegetation may be treated at any time during the treatment schedule. Any basal treatments for woody vegetation shall be completed early enough in the treatment process to allow the chemicals to take effect before final inspection and sign-off is requested. Herbaceous vegetation should only be treated when actively growing (i.e., non-dormant) and during periods of low or no standing water, thereby maximizing the effectiveness of the applied herbicides. Herbaceous vegetation shall be treated only when environmental conditions (e.g., temperature, rainfall, soil moisture) and signs of active growth

(e.g., green shoots, seeds sprouting) indicate that the targeted species are actively growing and can be effectively eradicated. Additional details are provided under Section 4.0.

The treatment schedule depends upon weather conditions and on-site water levels. The treatment schedule may be adjusted upon agreement between the Sub-Contractor and the Owner, provided adequate notice is given before the due date. Successful completion will be determined by the Owner and the General Environmental and Planning Consultant (GEPC). Exotic and nuisance species to be treated, treatment schedules, and other details regarding the work are provided below.

2.0 Project Description

The Imperial Marsh South portion of Airport Mitigation Park is located in Sections 7, 8, 17, and 18; Township 46 South; Range 27 East; Lee County; Florida (Exhibit 1).

The project consists of the following one-time treatments: Treatment A1 (of exotic and nuisance species); Treatment A2 (of lower concentration exotic and nuisance species);

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Treatment B – Spring (of exotic and nuisance species); Treatment C – Winter Mow; Treatment D

– Spring (Post-Mow). Treatments will include all targeted exotic and nuisance plant species within the designated treatment areas of Imperial Marsh South. Treatment Area A1 (644.63± acres), Treatment Area A2 (1,049.79± acres), Treatment Area B (651.23± acres), Treatment Area C

(104.17± acres), and Treatment Area D (106.34± acres) are depicted on Exhibit 2. A more detailed description of these treatment areas is provided below in Section 4.0.

3.0 Bid Description

The bid is for the treatment of all Category I and Category II exotic and nuisance plant species listed on the most current FISC List of Invasive Plant Species (Exhibit 3) and those plant species from Table 1 within Treatment Area A1 (Areas A1-1 through A1-11, 644.63± acres), Treatment Area A2 (A2-1 through A2-8, 1,049.79± acres), Treatment Area B (B-1 through B-10, 651.23± acres), Treatment Area C (C-1 through C-4, 104.17± acres)m and Treatment Area D (D-

1 through D-3, 106.34± acres), as described below in Section 4.0.

Melaleuca, Brazilian pepper, torpedograss, Wright’s nutrush, West Indian marsh grass, carrotwood, caesarweed, climbing cassia, Old World climbing fern, Java plum (Syzygium cumini), earleaf acacia, cogongrass, and Peruvian primrosewillow are the primary exotic species to be treated. Vine species such as Old World climbing fern, greenbrier (Smilax spp.), and grapevine

(Vitis spp.) that are observed in dense growths on mature trees shall be poodle-cut and treated as well. Dense growth refers to growth that is encroaching on the tree canopy in such a way that the vine is visible on or through the tree canopy foliage (i.e., the crown) or just below the crown.

Except for Old World climbing fern, dense mats of vines growing along the ground are not included in this scope. Bahiagrass (Paspalum notatum) and smutgrass (Sporobolus indicus) are also not included in this scope.

The bid includes all personnel, equipment, chemicals, and any other materials necessary to efficiently complete the contracted work. All bid treatment areas under contract must contain zero percent areal coverage of exotic species and nuisance species immediately following treatment, as defined in Section 4.0. Extreme care should be taken to avoid impacts to the existing native vegetation and ground surface from equipment utilized in performing the treatment and removal work.

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4.0 Technical Specifications

The bid consists of a one-time treatment of exotic and nuisance plant species listed in the most current FISC List of Invasive Plant Species (Exhibit 3) and those species found in Table 1 within Treatment Areas A1, A2, B, and D and a one-time mow event within Treatment Area C.

Additional details on the treatment events are provided below in this section.

Treatment Areas A1 and A2

Treatment Area A1 includes a higher percentage of exotic and nuisance vegetation that can be treated closer to the NTP than other treatment areas in this bid (Exhibit 2). As a result, much of Treatment Area A1 can be treated year-round, and treatment of these areas may begin closer to the NTP in Table 2. Treatment Area A1 also includes wetland habitats that may not be treatable for extended portions of the treatment window due to high water levels. In these areas, herbaceous vegetation should be treated only when water levels are low or no standing water is present and the vegetation is actively growing (i.e., non-dormant) to maximize the effectiveness of the applied herbicides. Treating these portions of Treatment Area A1 before water levels recede may necessitate re-treatment, as certain exotic species may not be visible or otherwise suitable (i.e., of the appropriate height or age) for treatment. However, exotic and/or nuisance vegetation (e.g., Old

World climbing fern) may be treated when water levels are high if high water levels will not decrease the efficacy of treatment.

Treatment Area A2 (Exhibit 2) shall be subject to the same treatment specifications described for Treatment Area A1. Treatment Area A2 is similar to Treatment Area A1; however, the exotic and nuisance species present are more widely scattered. This does not mean there are not dense patches of exotic and nuisance species within Treatment Area A2, but in general, exotic and nuisance species are of a lower concentration within the treatment areas. This is due in part to the fact that the majority of Treatment Area A2 was treated last year during Fiscal Year (FY)

2025–2026. As a result, Treatment Area A2 should not require the same level of treatment (i.e., amount of herbicide and labor) as Treatment Area A1. Treating Treatment Area A2 in addition to the other treatments within Imperial Marsh South will allow for the entire Imperial Marsh South management unit to be treated in this bid.

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Treatment Area B – Spring

Treatment Area B encompasses wetland habitats where the annual exotic species Wright’s nutrush and other exotic and nuisance species have been documented at varying infestation levels.

Treatment B shall occur when seedlings and resprouts of herbaceous species reach a minimum height of four to six inches and per the treatment schedule in Table 2 below. The intended time frame of Treatment B aligns with the springtime flush of invasive herbaceous species (annuals), such as Wright’s nutrush, which typically occurs between April and June. These annual species are often dormant between late fall and winter when treatment could otherwise begin for this bid, evidenced only by the presence of dead, senesced vegetation from the previous year. The goal is to treat these species, along with any other invasive species present (e.g., caesarweed, dog fennel

(Eupatorium capillifolium), etc.), when the seeds from last year’s plants have sprouted and the new plants are tall enough to successfully respond to treatment.

Within Treatment Area B, Area B-8 overlaps with a portion of the existing internal trail system (Exhibit 2). Unlike the rest of this bid, where treatment must be avoided within a 50-foot buffer from either side the centerline of the trail system (as depicted on Exhibit 2 and described further below in this section), this area is to be treated. In other words, the trail itself and the area within 50 feet of either side of the centerline of the trail system is within Treatment Area B. The trail system is depicted on Exhibit 2 for visual purposes only, and neither the area of the 50-foot buffer from the centerline of either side of the trail or the trail itself has been subtracted from the treatment area.

The Sub-Contractor shall notify the GEPC and the LCPA before beginning Treatment B, and they shall also provide photographic documentation of the height of the species to be treated, such as Wright’s nutrush. The GEPC shall then inspect Treatment Area B to determine if the exotic vegetation is the appropriate height to begin treatment. Treatment of these areas may begin only after the Sub-Contractor has received approval from the GEPC and the LCPA. Please note that the area identified as Treatment Area B consists primarily of herbaceous and forested wetland habitat types (i.e., freshwater marsh and cypress forest).

Treatment B is intended to treat species following the spring flush but before new plants produce seeds. Due to site conditions and biology, some species (e.g., torpedograss and caesarweed) may have already gone dormant or to seed before treating at this stage is feasible (i.e., in the fall before NTP). Treatment B represents the next most optimal time to treat, in these cases.

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Treatment Area C – Winter Mow

Treatment C (Winter Mow) will target high concentrations of exotic and nuisance herbaceous species (e.g., torpedograss and dog fennel) within an area that can more readily be mowed than other areas within Imperial Marsh South (Exhibit 2). Mowing is expected to expose the sprouting portions of the plants (e.g., rhizomes and stolons) and seedlings, allowing herbicide to uptake more effectively. To increase the efficacy of the treatment, herbicide will be applied (i.e., Treatment D) after mowing. Treatment C must be completed a minimum of four weeks before

Treatment D or with adequate time for effective treatment to be observed and for regrowth (i.e., seedlings and resprouts) of herbaceous species to reach a minimum height of four to six inches.

Similar treatment regimes have proven effective in reducing exotic and nuisance herbaceous vegetation cover within Airport Mitigation Park in the past. Treatment Area C extends to the edge of the approximately 15-foot-wide trail system but does not include the trail system itself where it abuts or goes through Treatment Area C. Within Treatment Area C, there are areas of shrubby and forested systems that are not to be mowed, mulched, or reduced via hand or other mechanical removal methods. When such areas are encountered, they are to be avoided.

Treatment Area D – Spring (Post-Mow)

The follow-up treatment (i.e., Treatment D) of exotic and nuisance herbaceous vegetation shall occur when seedlings and resprouts reach a minimum height of four to six inches and per the treatment schedule in Table 2. Treatment D is intended to occur in the spring when plants are actively growing and reach the appropriate height to be treated following Treatment C (i.e., mowing). Like the portion of Treatment B (Area B-8) described above under Treatment Area B, Treatment Area D overlaps with the trail system (i.e., the trail itself and the 50-foot buffer on either side of the centerline of the trail) (Exhibit 2). Prior to beginning Treatment D, the Sub-Contractor shall notify the GEPC and the LCPA of their intentions to begin and provide photographic documentation of the height of the species to be treated, namely torpedograss and dog fennel. The

GEPC shall then inspect Treatment Area D to determine if the exotic and nuisance vegetation (e.g., torpedograss and dog fennel) is of the appropriate height to begin treatment. Treatment may commence only after the Sub-Contractor has received approval from the GEPC and the LCPA.

Treatments shall be completed within the limits of each treatment area identified in

Exhibit 2. Exotic and nuisance vegetation treatments shall not extend beyond the property limits

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(perimeter fence); however, herbicide treatments shall be applied to exotic vegetation growing on the fence as applicable. Treatment shall not occur on the existing Airport Mitigation Park trail system or within 50 feet of either side of the centerline of the trail system, except for those portions of trails located within Treatment Area B and Treatment Area D, as depicted on Exhibit 2. This work (i.e., perimeter fence vegetation maintenance and trail system maintenance) is described within Technical Specifications provided under separate cover for another project. Targeted vegetative species to be treated include all observed species listed as Category I and Category II invasive exotics by the most current FISC List of Invasive Plant Species (Exhibit 3) and those species found in Table 1 below. Bahiagrass and smutgrass are not included in this scope.

Table 1. Nuisance Plant Species to be Treated

Common Name Scientific Name Cattail Typha spp.

Common reed Phragmites australis Climbing hempvine Mikania scandens Dog fennel Eupatorium capillifolium Grapevine Vitis spp.

Greenbrier Smilax spp.

White vine Sarcostema clausum

The most common species identified for treatment include melaleuca, Brazilian pepper, torpedograss, Wright’s nutrush, West Indian marsh grass, caesarweed, and Peruvian primrosewillow. The most common species identified for Treatment B is Wright’s nutrush.

However, all exotic and nuisance vegetation listed Table 1 and in Exhibit 3 must be eradicated.

The bid treatment areas under contract must contain zero percent areal coverage of exotic and nuisance species within the label-specified or industry-standard number of days after treatment, whether calculated as a rounded whole percentage by areal coverage within a single vegetation community type (e.g., freshwater marsh or cypress forest) or within a general area (e.g., 50± acres).

Exotic and nuisance vegetation is to be removed manually or by applying herbicides.

Treatments will consist of foliar applications, cut-stump, basal bark, girdling, and/or hand removal of the entire plant. The Sub-Contractor must minimize non-target damage as much as possible. For species where the cut-stump method is used, the herbicide must be applied within 15 minutes of

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5 minutes of cutting. Marker dye that is clearly visible shall be included with the herbicide so that treatment can be confirmed. Cuttings can be stacked in proximity to where the cutting occurred, but in a manner that preserves existing native vegetation. Treated cuttings can remain on-site. Vine species, such as Old World climbing fern, greenbrier, and grapevine, found encroaching the tree canopy shall be poodle-cut and treated in a manner that minimizes non-target damage to the surrounding native vegetation. Except for Old World climbing fern, dense mats of vines growing along the ground are not included in this scope. Hauling and disposal of cut material off-site is not required at this time.

The Sub-Contractor may suggest an alternate treatment method for any specified site work.

If an alternate method is suggested, the Sub-Contractor shall provide the methodology details to the LCPA and the GEPC for review and approval. The Sub-Contractor may not use an alternate method unless approved by the LCPA and the GEPC. The Sub-Contractor is responsible for using the appropriate treatment method for exotic/nuisance species based on industry standards, applicable local, state, and federal regulations, and label requirements.

Herbicide composition and application rates must be in accordance with current Florida

Department of Agriculture and Consumer Services (FDACS), Florida Department of

Environmental Protection, and U.S. Environmental Protection Agency (EPA) rules and regulations, along with the manufacturer’s label. All chemicals used must be labeled for use in

Aquatic Systems or Natural Areas, as applicable. All herbicides must be registered by the EPA and the FDACS for use in Florida. Unregistered and/or experimental products are prohibited on this project. All chemicals must be mixed and applied by an FDACS-licensed applicator with a valid FDACS-issued Pesticide Applicator License in Natural Areas or applied under the direct supervision of one. All chemicals used must be mixed and applied in accordance with applicable material safety data sheets and label directions. The use of soil-active herbicides containing the active ingredients imazapyr or imazapic, as well as pre-emergent herbicides, is not permitted under this project. Where possible, treatment activities should be scheduled during periods of low or no standing water to maximize the effectiveness of the applied herbicides.

The Sub-Contractor is responsible for obtaining all applicable permits prior to applying herbicides. The Sub-Contractor is to provide the LCPA copies of all labels from the actual herbicides and adjuvants utilized on this project prior to commencing any work within the

-9-designated treatment area(s). The treatment of exotic and nuisance species throughout the designated area(s) shall be subject to inspection at any time by the LCPA and/or the GEPC and by local, state, and federal agencies.

The Sub-Contractor shall be responsible for maintaining daily work logs indicating which specific area was treated, the target species and the chemicals used, quantities, and application method(s). These daily work logs shall be submitted to the LCPA and the GEPC at the end of each following work week, along with a progress map depicting the treated areas for that week in relation to the project area. The weekly progress map may be submitted in any format (e.g., JPG, PDF), but each map must be accompanied by digital data files compatible with Google Earth

(KML, KMZ) and/or ArcGIS (GDB, SHP).

Storing chemicals on-site at any time is prohibited. The Sub-Contractor will follow best management practices within any areas utilized for mixing chemicals to prevent spills and soil/water contamination. If a spill takes place, the Sub-Contractor shall be responsible for remediation. Chemical containers shall be properly disposed of off-site on a daily basis, along with any other debris generated by the work performed under this contract.

Native vegetation shall be protected to the greatest extent practicable. Broadcast spraying

(i.e., boom spraying) is prohibited around native vegetation. However, where there is a monoculture of exotic vegetation present, boom spraying may be used in conjunction with best management practices. Examples of where boom spraying may be an appropriate treatment method include portions of Imperial Marsh South where there is a monoculture of Wright’s nutrush. Prior to boom spraying, the Sub-Contractor shall notify the LCPA and the GEPC and provide a map of the areas to be treated. Treatment of these areas may commence only after the

Sub-Contractor has received approval from the LCPA and the GEPC. Best management practices shall be utilized to avoid and minimize non-target damage and spray drift onto native vegetation.

These include, but are not limited to, the use of appropriate pressure and droplet size, avoiding excessive runoff of chemicals on treated plants, using appropriately labeled herbicides and adjuvants, utilizing selective treatment methods, avoiding spraying in windy conditions, and allowing enough time for spraying prior to or after rain events. Overspray or damage to non-target species, if severe, may result in replantings or other remedial actions at the sole responsibility of the Sub-Contractor, if applicable.

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5.0 Special Conditions

A pre-construction meeting will be scheduled with the successful Sub-Contractor before any work is started. As soon as possible after the Date of Award, the LCPA will contact the Sub-

Contractor to arrange a time, date, and place for the meeting. Items to be discussed at the pre-construction meeting will include the following:

• Schedule of Values

• Scheduling of the Work

• Staging Area for Materials and Equipment

• Inspection of the Contract Work and Field Verification of Treatment Area Boundaries

• Protection of Trees, Vegetation, Wildlife, and Premises

• Identification and Responsibility of the Sub-Contractor’s Employees

• Required Submittals

• Safety and Health Requirements

• Communications and Correspondence

• Authorized Persons

• Mobilization

• Parking

The Sub-Contractor’s superintendent and any sub-contractors or suppliers whose presence is necessary or requested by the LCPA shall attend the pre-construction meeting.

The Sub-Contractor shall submit a detailed proposed project schedule at the pre-construction meeting. The schedule shall show a complete sequence of activities and the projected percentage of completion for each item. This schedule will be used to plan, organize, execute, and direct the work. The site will be accessed through the existing adjacent road network and existing locked gates. The access gates are to remain locked at all times after entry and exit. Gate access information will be provided to the Sub-Contractor prior to starting work. Treatment areas shall be accessed through the existing on-site trail system and former farm fields and pastures. The Sub-

Contractor shall not damage existing native vegetation to establish new trails within the treatment areas. The Sub-Contractor shall be responsible for providing the LCPA with information to identify who will be on-site and the type(s) of vehicles.

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All equipment brought on-site for removal/treatment activities must be cleaned prior to being used at the Airport Mitigation Park to prevent cross-contamination from another site. This includes, but is not limited to, trucks, trailers, all-terrain/utility vehicles, tractors, mowers, and spray rigs. Equipment used on-site must also maintain the current state of the on-site trails. If any equipment damages the trail system or former farm fields/pastures (e.g., creating ruts), the Sub-

Contractor must restore the affected trails to their original conditions before ending work.

The Sub-Contractor shall be responsible for maintaining quality control over suppliers, manufacturers, products, services, site conditions, and workmanship to produce work of specified quality and to comply with industry standards, except when more restrictive tolerances or specified requirements indicate more rigid standards or when more precise workmanship exist. The Sub-

Contractor assumes all liability for any equipment that they store on-site during non-working hours.

The Sub-Contractor shall notify the LCPA and the GEPC of any wildlife encounters (e.g., alligator burrows and holes, bird rookeries, etc.) that may directly impact the successful treatment of the contracted work area. If such conditions are deemed limiting to the successful execution of the contracted work, alternatives will be discussed between the Sub-Contractor, the LCPA, and the GEPC, provided adequate notice is given.

6.0 Treatment Schedule

The treatment schedule for the bid is summarized below. The NTP for work to be conducted will depend on approval of funding by the LCPA for that specific year. The LCPA reserves the right to release a portion of the work, or none of the work, during any given fiscal year, depending on the availability of funds for the fiscal year. Treatment shall begin based on the

LCPA NTP and will follow the schedule (Table 2) below.

Woody/shrubby vegetation may be treated at any time during the treatment window.

Herbaceous vegetation should only be treated when actively growing (i.e., non-dormant) and during periods of low or no standing water to maximize the effectiveness of the applied herbicides.

Herbaceous vegetation in Treatment Areas A1 and A2 shall be treated only when environmental conditions (e.g., temperature, rainfall, and soil moisture) and signs of active growth (e.g., green shoots, sprouting seeds) indicate that these species are actively growing and can be effectively eradicated. Herbaceous vegetation in Treatment Areas B and D shall be treated when seedlings

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Treatments A1, A2, B, C, and D are outlined in Section 4.0 above.

The treatment schedule depends upon weather conditions, signs of active growth in herbaceous vegetation, exotic regrowth, and on-site water levels. The treatment schedule may be adjusted upon agreement between the Sub-Contractor and the LCPA, provided adequate notice is given before the due date. Successful completion will be determined by the LCPA and the GEPC.

Provided there are no schedule delays due to weather conditions or other situations outside of Sub-

Contractor’s control, the anticipated project schedule is as follows:

Table 2. Schedule of Events

Event Date Notice to Proceed1 Late January 2027 Treatments A1 and A2: 50% Complete April 9, 2027 Treatments B and D: Potential Start Date2 May 17, 2027 Treatment C: Potential Completion Date3 April 3, 2027

Substantial Completion July 1, 2027 Project Completion July 31, 2026

1The Notice to Proceed (NTP) is based on an early to mid-January Board of Port Commissioners meeting date. If the NTP is significantly delayed, the Substantial Completion date and Project Completion date will be adjusted accordingly.

2Treatments B and D shall occur when seedlings and resprouts of herbaceous species reach a minimum height of four to six inches. If Treatment B or D start dates are delayed because the vegetation has not achieved the specified minimum height or water levels restrict treatment, the Substantial Completion date and Project Completion date will be adjusted accordingly.

3Treatment C must be completed a minimum of four weeks before the Treatment D start date, or with adequate time to allow for the inspection of treatment and regrowth (i.e., seedlings and resprouts) of herbaceous species to reach a minimum height of four to six inches. If Treatment C is delayed because the vegetation has not achieved the specified minimum height or water levels restrict treatment, the Substantial Completion date and Project Completion date will be adjusted accordingly.

“Potential” dates are not tied to liquidated damages and are intended for reference and to suggest a conservative, achievable treatment schedule based on anticipated site conditions

Basis of Payment:

Item 1.1 – Treatment Area A1 – (644.63± acres) -- (Lump Sum)

Item 1.2 – Treatment Area A2 – (1,049.79± acres) -- (Lump Sum)

Item 1.3 – Treatment Area B – Spring: (651.23± acres) -- (Lump Sum)

Item 1.4 – Treatment Area C – Winter Mow: (104.17± acres) -- (Lump Sum)

Item 1.5 – Treatment Area D – Spring Treatment (Post-Mow): (106.34± acres) -- (Lump Sum)

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7.0 Acceptance and Payment

All areas must be verified for treatment completion by the LCPA environmental consultant

(i.e., the GEPC) before the invoices can be processed on a monthly basis. No project summaries or work reports, as required by the contract documents, shall be outstanding at the time of invoicing. All herbicide treatments shall result in the mortality of all target species with minimal non-target damage. If the treated vegetation is not killed within the label-specified or industry-standard number of days after the treatment, as confirmed by the GEPC, the contractor shall be responsible for re-treating the area at no expense to the LCPA. The time frame will start from the date the contractor notifies the LCPA that the work is completed. If the contractor does not notify the LCPA of the completion date, the time frame will start when the GEPC performs the oversight inspection of the area and confirms the area has been treated.

To be deemed substantially complete, the bid item under contract must contain zero percent areal coverage of exotic species within the label-specified or industry-standard number of days after treatment, as defined in Section 4.0. Seedlings that grow after the treatment period (i.e., regrowth) are excluded from the areal coverage calculation. Payment will be tied to the completion of the entire area or the percentage of work completed as estimated by the GEPC. Invoices will be approved, less five percent retainage, upon verification of treatment effectiveness, with approval of retainage upon final project completion. Any work performed under this contract shall follow the schedule in the contract (Table 2). Final acceptance of the contract efforts will be determined at the conclusion of all treatment events.

Upon completion of all treatment events, the Sub-Contractor shall request an on-site meeting with the LCPA and the GEPC for the purpose of having the work accepted. If additional work is necessary to satisfy the contract documents, a completion punch list will be prepared by the LCPA and the GEPC and issued by the LCPA. Upon completion of corrective work addressed within the punch list, the Sub-Contractor shall request a second meeting to have the work accepted.

If further work is necessary to satisfy the contract documents, the Sub-Contractor shall request a third meeting when they feel the work is complete and in conformance with the contract documents.

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8.0 List of Exhibits

Exhibit 1. Project Location Map

Exhibit 2. Aerial with FY 2026–2027 Treatment Areas

Exhibit 3. Florida Invasive Species Council’s 2025 List of Invasive Plant Species

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VERO BEACH

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DAYTONA BEACH

FORT LAUDERDALE

6/16/25S.M.

6/16/25T.S.

AIRPORT MITIGATION PARK - IMPERIAL

MARSH SOUTH

EXHIBIT 1. PROJECT LOCATION MAP

IMPERIAL MARSH SOUTH

SEC 7-8, 17-18, TWP 46 S, RNG 27 E

SITE H

IMPERIAL MARSH NORTH

FLINT PEN STRAND

6/03/26T.S.

EXHIBIT 2

AERIAL WITH FY 2026–2027 TREATMENT AREAS

FLINT PEN

STRAND

IMPERIAL

MARSH

SOUTH

IMPERIAL

MARSH

SOUTH

IMPERIAL

MARSH

NORTH

IMPERIAL

MARSH

SOUTH

IMPERIAL

MARSH

NORTH

A1-1 (160.32 Ac.±)

A1-8 (42.51 Ac.±)

C-2 (26.21 Ac.±)

B-9 (20.24 Ac.±)

B-10 (51.28 Ac.±)

A1-2 (32.32 Ac.±)

A1-11 (3.12 Ac.±)

B-1 (8.54 Ac.±)

B-2 (74.29 Ac.±)

A1-3 (79.17 Ac.±)

B-6 (36.82 Ac.±)

A1-4 (47.58 Ac.±)

A1-5 (36.22 Ac.±)

B-5 (38.57 Ac.±)

A1-6 (11.87 Ac.±)

A1-7 (223.60 Ac.±)

B-8 (337.09 Ac.±)

A1-10 (3.11 Ac.±)A1-9

(4.81 Ac.±)

B-3 (22.38 Ac.±)

B-4 (34.51 Ac.±)

B-7 (27.51 Ac.±)

C-4 (1.90 Ac.±)

D-2 (16.12 Ac.±)

A2-4 (55.96 Ac.±)

A2-5 (26.33 Ac.±)

A2-6 (40.73 Ac.±) A2-7

(53.83 Ac.±)

A2-3 (37.06 Ac.±)

A2-2 (40.95 Ac.±)

A2-1 (200.78 Ac.±)

D-3 (1.90 Ac.±)

D-1 (88.32 Ac.±)

C-1 (60.38 Ac.±)

A2-8 (594.15 Ac.±)

C-3 (15.68 Ac.±)

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J.I.

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REVISIONS

5/13/26

5/13/26

DATE

DATE

5/13/26

DATE DRAWING No.

SHEET No.

23LCP4136

DATE

13620 Metropolis Avenue

Suite 200 Ft. Myers, FL 33912

Phone (239) 274-0067 Fax (239) 274-0069

DRAWN BY

DESIGNED BY

REVIEWED BY

AIRPORT MITIGATION PARK - IMPERIAL MARSH SOUTH

AERIAL WITH FY 2026 - 2027 TREATMENT AREAS

SCALE: 1" = 1,200'

EXHIBIT 2

NOTES:

AERIAL PHOTOGRAPHS WERE ACQUIRED THROUGH

THE LEE COUNTY PROPERTY APPRAISER'S OFFICE

WITH A FLIGHT DATE OF JANUARY - MARCH 2025.

PROPERTY BOUNDARY PER LEE COUNTY PORT

AUTHORITY (LCPA) SHAPEFILES DATED APRIL

28, 2026.

TRAIL PER LCPA SHAPEFILES DATED MARCH

28, 2024 AND LCPA INSTRUCTION.

LEGEND:

TRAILS

TREATMENT AREA A1

(644.63 Ac.±)

TREATMENT AREA A2

(1,049.79 Ac.±)

TREATMENT AREA B

SPRING TREATMENT (651.23 Ac.±)

TREATMENT AREA C

WINTER MOW (104.17 Ac.±)

TREATMENT AREA D

SPRING TREATMENT

POST-MOW (106.34 Ac.±)

T.S. - Revised treatment areas 6/09/26

T.S. - Revised trails 6/10/26

EXHIBIT 3

FLORIDA INVASIVE SPECIES COUNCIL’S

2025 LIST OF INVASIVE PLANT SPECIES

FISC Category I 1

Scientific Name Common Name Zone Link to Atlas of Florida Plants Abrus precatorius rosary pea C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=347 Acacia auriculiformis earleaf acacia C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=43 Albizia julibrissin silktree; mimosa N, C https://florida.plantatlas.usf.edu/Plant.aspx?id=188 Albizia lebbeck woman's tongue C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=129 Ardisia crenata coral ardisia; scratchthroat N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=91 Ardisia elliptica shoebutton ardisia C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1653 Asparagus aethiopicus Sprenger's asparagus-fern N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=332 Bauhinia variegata orchid tree; mountain ebony C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1492 Bischofia javanica Javanese bishopwood C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1498 Calophyllum antillanum santa maria; galba; Antilles calophyllum S https://florida.plantatlas.usf.edu/Plant.aspx?id=1724 Casuarina equisetifolia Australian-pine; horsetail casuarina N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=390 Casuarina glauca gray sheoak; suckering Australian-pine N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1952 Cenchrus purpureus (Pennisetum purpureum) elephantgrass; napiergrass N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1426 Cinnamomum camphora camphortree N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=442 Colocasia esculenta wild taro; dasheen; coco yam N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=209 Colubrina asiatica latherleaf; Asian nakedwood C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=348 Cupaniopsis anacardioides carrotwood C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=47 Cyperus blepharoleptos Cuban bulrush N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=104 Deparia petersenii Japanese false spleenwort N, C https://florida.plantatlas.usf.edu/Plant.aspx?id=1363 Dioscorea alata white yam; winged yam; water yam N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1750 Dioscorea bulbifera air-potato N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1823 Dolichandra unguis-cati (Macfadyena unguis-cati) catclaw vine N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1823 Eichhornia crassipes common water-hyacinth N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1319 Eugenia uniflora Surinam cherry C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1388 Ficus microcarpa 2 Indian laurel fig C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1958

Heptapleurum actinophyllum (Schefflera actinophylla) Australian umbrella tree; octopus tree C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=423

Hydrilla verticillata waterthyme; hydrilla N , C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1469 Hygrophila polysperma Indian swampweed; green hygro N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=159 Hymenachne amplexicaulis trompetilla; West Indian marshgrass N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=150 Imperata cylindrica cogongrass N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1407 Ipomoea aquatica water-spinach N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=388 Jasminum dichotomum Gold Coast jasmine C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=137 Jasminum fluminense Brazilian jasmine; jazmin de trapo; corky-stemmed jasmine C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=61 Lantana strigocamara (Lantana camara) lantana; shrubverbena N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1789 Ligustrum lucidum glossy privet N, C https://florida.plantatlas.usf.edu/Plant.aspx?id=488 Ligustrum sinense Chinese privet N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1935 Lonicera japonica Japanese honeysuckle N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=232 Ludwigia peruviana Peruvian primrosewillow N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=3077 Lumnitzera racemosa lumitzera S Luziola subintegra Tropical American watergrass S https://florida.plantatlas.usf.edu/Plant.aspx?id=4270 Lygodium japonicum Japanese climbing fern N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1559 Lygodium microphyllum small-leaf climbing fern; Old World climbing fern N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1638 https://florida.plantatlas.usf.edu/Plant.aspx?id=347 https://florida.plantatlas.usf.edu/Plant.aspx?id=43 https://florida.plantatlas.usf.edu/Plant.aspx?id=188 https://florida.plantatlas.usf.edu/Plant.aspx?id=129 https://florida.plantatlas.usf.edu/Plant.aspx?id=91 https://florida.plantatlas.usf.edu/Plant.aspx?id=1653 https://florida.plantatlas.usf.edu/Plant.aspx?id=332 https://florida.plantatlas.usf.edu/Plant.aspx?id=1492 https://florida.plantatlas.usf.edu/Plant.aspx?id=1498 https://florida.plantatlas.usf.edu/Plant.aspx?id=1724 https://florida.plantatlas.usf.edu/Plant.aspx?id=390 https://florida.plantatlas.usf.edu/Plant.aspx?id=1426 https://florida.plantatlas.usf.edu/Plant.aspx?id=442 https://florida.plantatlas.usf.edu/Plant.aspx?id=209 https://florida.plantatlas.usf.edu/Plant.aspx?id=348 https://florida.plantatlas.usf.edu/Plant.aspx?id=47 https://florida.plantatlas.usf.edu/Plant.aspx?id=1363 https://florida.plantatlas.usf.edu/Plant.aspx?id=1750 https://florida.plantatlas.usf.edu/Plant.aspx?id=1823 https://florida.plantatlas.usf.edu/Plant.aspx?id=1823 https://florida.plantatlas.usf.edu/Plant.aspx?id=1319 https://florida.plantatlas.usf.edu/Plant.aspx?id=1388 https://florida.plantatlas.usf.edu/Plant.aspx?id=1958 https://florida.plantatlas.usf.edu/Plant.aspx?id=423 https://florida.plantatlas.usf.edu/Plant.aspx?id=1469 https://florida.plantatlas.usf.edu/Plant.aspx?id=159 https://florida.plantatlas.usf.edu/Plant.aspx?id=150 https://florida.plantatlas.usf.edu/Plant.aspx?id=1407 https://florida.plantatlas.usf.edu/Plant.aspx?id=388 https://florida.plantatlas.usf.edu/Plant.aspx?id=137 https://florida.plantatlas.usf.edu/Plant.aspx?id=61 https://florida.plantatlas.usf.edu/Plant.aspx?id=1789 https://florida.plantatlas.usf.edu/Plant.aspx?id=488 https://florida.plantatlas.usf.edu/Plant.aspx?id=1935 https://florida.plantatlas.usf.edu/Plant.aspx?id=232 https://florida.plantatlas.usf.edu/Plant.aspx?id=3077 https://florida.plantatlas.usf.edu/Plant.aspx?id=4270 https://florida.plantatlas.usf.edu/Plant.aspx?id=1559 https://florida.plantatlas.usf.edu/Plant.aspx?id=1638

Manilkara zapota sapodilla S https://florida.plantatlas.usf.edu/Plant.aspx?id=214 Melaleuca quinquenervia punktree; melaleuca C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=46 Melinis repens rose natalgrass N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=145 Microsorum grossum (Phymatosorus scolopendria) serpent fern; wart fern S https://florida.plantatlas.usf.edu/Plant.aspx?id=1448 Microstegium vimineum Nepalese browntop; Japanese stiltgrass N https://florida.plantatlas.usf.edu/Plant.aspx?id=300 Mimosa pigra black mimosa; catclaw mimosa C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1614 Nandina domestica sacred bamboo; heavenly bamboo N, C https://florida.plantatlas.usf.edu/Plant.aspx?id=1548 Nephrolepis brownii Asian sword fern C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1505 Nephrolepis cordifolia tuberous sword fern N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1824 Neyraudia reynaudiana Burma reed; silkreed S https://florida.plantatlas.usf.edu/Plant.aspx?id=1347 Nymphoides cristata crested floatingheart C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=4059 Paederia cruddasiana sewervine S https://florida.plantatlas.usf.edu/Plant.aspx?id=168 Paederia foetida skunkvine N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1466 Panicum repens torpedograss N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1652 Pistia stratiotes water-lettuce N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=4002 Psidium cattleianum strawberry guava C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=96 Psidium guajava guava C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1395 Pueraria montana var. lobata kudzu N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=432 Rhodomyrtus tomentosa rose myrtle; downy rose-myrtle C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=86 Ruellia simplex Britton's wild petunia; Mexican petunia N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1302 Salvinia minima water spangles N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1336 Scaevola taccada beach naupaka N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1900 Schinus terebinthifolia Brazilian pepper N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=52 Scleria eggersiana Eggers nutrush S https://florida.plantatlas.usf.edu/Plant.aspx?id=4900 Scleria lacustris Wright's nutrush; lakeshore nutrush C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1373 Scleria microcarpa Tropical nutrush C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=4857 Senna pendula var. glabrata Christmas cassia; valamuerto C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1331 Solanum tampicense wetland nightshade; aquatic soda apple C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=273 Solanum viarum Tropical soda apple N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=65 Sporobolus jacquemontii West Indian dropseed; giant smutgrass N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1622 Syngonium podophyllum arrowhead vine; American evergreen N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=257 Syzygium cumini Java plum C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=338 Tectaria incisa incised halberd fern S https://florida.plantatlas.usf.edu/Plant.aspx?id=3073 Thelypteris opulenta (Ambloventum opulentum) jeweled maiden fern S https://florida.plantatlas.usf.edu/Plant.aspx?id=1432 Thespesia populnea portia tree; seaside mahoe C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=346 Tradescantia fluminensis small-leaf spiderwort N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=64 Tradescantia spathacea Moses-in-the-cradle; oyster-plant; boatlily C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1970 Triadica sebifera (Sapium sebiferum) popcorntree; Chinese tallow tree N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1353 Urena lobata caesarweed N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1364 Urochloa mutica paragrass N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=127 Vitex rotundifolia beach vitex; roundleaf chastetree N, C https://florida.plantatlas.usf.edu/Plant.aspx?id=4394

New species added since 2023 list https://florida.plantatlas.usf.edu/Plant.aspx?id=214 https://florida.plantatlas.usf.edu/Plant.aspx?id=46 https://florida.plantatlas.usf.edu/Plant.aspx?id=145 https://florida.plantatlas.usf.edu/Plant.aspx?id=1448 https://florida.plantatlas.usf.edu/Plant.aspx?id=300 https://florida.plantatlas.usf.edu/Plant.aspx?id=1614 https://florida.plantatlas.usf.edu/Plant.aspx?id=1548 https://florida.plantatlas.usf.edu/Plant.aspx?id=1505 https://florida.plantatlas.usf.edu/Plant.aspx?id=1824 https://florida.plantatlas.usf.edu/Plant.aspx?id=1347 https://florida.plantatlas.usf.edu/Plant.aspx?id=4059 https://florida.plantatlas.usf.edu/Plant.aspx?id=168 https://florida.plantatlas.usf.edu/Plant.aspx?id=1466 https://florida.plantatlas.usf.edu/Plant.aspx?id=1652 https://florida.plantatlas.usf.edu/Plant.aspx?id=4002 https://florida.plantatlas.usf.edu/Plant.aspx?id=96 https://florida.plantatlas.usf.edu/Plant.aspx?id=1395 https://florida.plantatlas.usf.edu/Plant.aspx?id=432 https://florida.plantatlas.usf.edu/Plant.aspx?id=86 https://florida.plantatlas.usf.edu/Plant.aspx?id=1302 https://florida.plantatlas.usf.edu/Plant.aspx?id=1336 https://florida.plantatlas.usf.edu/Plant.aspx?id=1900 https://florida.plantatlas.usf.edu/Plant.aspx?id=52 https://florida.plantatlas.usf.edu/Plant.aspx?id=1373 https://florida.plantatlas.usf.edu/Plant.aspx?id=4857 https://florida.plantatlas.usf.edu/Plant.aspx?id=1331 https://florida.plantatlas.usf.edu/Plant.aspx?id=273 https://florida.plantatlas.usf.edu/Plant.aspx?id=65 https://florida.plantatlas.usf.edu/Plant.aspx?id=1622 https://florida.plantatlas.usf.edu/Plant.aspx?id=257 https://florida.plantatlas.usf.edu/Plant.aspx?id=338 https://florida.plantatlas.usf.edu/Plant.aspx?id=3073 https://florida.plantatlas.usf.edu/Plant.aspx?id=1432 https://florida.plantatlas.usf.edu/Plant.aspx?id=346 https://florida.plantatlas.usf.edu/Plant.aspx?id=64 https://florida.plantatlas.usf.edu/Plant.aspx?id=1970 https://florida.plantatlas.usf.edu/Plant.aspx?id=1353 https://florida.plantatlas.usf.edu/Plant.aspx?id=1364 https://florida.plantatlas.usf.edu/Plant.aspx?id=127 https://florida.plantatlas.usf.edu/Plant.aspx?id=4394

1 Plant names are those published in the Atlas of Florida Plants on 6/24/25 (http://florida.plantatlas.usf.edu/). Some frequently used common names have been added.

2 Does not include Ficus microcarpa subsp. fuyuensis , which is sold as “green island Ficus” foot note 3 is on Cat II list---> 3 Does not include the native endemic Spermacoce neoterminalis .

* Plants added to the FISC List of Invasive Plant Species in 2025 are in bold print.

FISC Category II 1

Adenanthera pavonina red beadtree; red sandalwood S https://florida.plantatlas.usf.edu/Plant.aspx?id=1670 Agave sisalana sisal hemp C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=268 Alstonia macrophylla deviltree S https://florida.plantatlas.usf.edu/Plant.aspx?id=1943 Alternanthera philoxeroides alligatorweed N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1343 Antigonon leptopus coral vine; queen's jewels N, C, S https://florida.plantatlas.usf.edu/Plant.aspx?id=1578 Ardisia japonica…