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SOUTHWEST FLORIDA INTERNATIONAL AIRPORT

AIRPORT MITIGATION PARK

FY 2026–2027 TECHNICAL SPECIFICATIONS

FOR TREATMENT OF EXOTIC AND NUISANCE SPECIES

IN IMPERIAL MARSH NORTH

July 2026

This document includes the technical specifications associated with the bid request for the services detailed below at the Southwest Florida International Airport Mitigation Park. The objective of the work is to treat exotic and nuisance species in the areas identified within Imperial

Marsh North.

1.0 Project Summary

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

Imperial Marsh North management unit of the Airport Mitigation Park (Exhibit 1). The treatments are as follows (Exhibit 2):

• Treatment Area A – 55.68± acres;

• Treatment Area B – Spring: 823.47± acres;

• Treatment Area C – Scattered Willow/Exotics: 29.29± acres;

• Treatment Area D – Dense Willow: 28.29± acres;

• Treatment Area E (E-1) – 1.42± acres; and

• Treatment Area E (E-2) – 1.42± 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), caesarweed (Urena lobata), climbing cassia (Senna pendula), Old World climbing fern (Lygodium microphyllum), earleaf acacia (Acacia auriculiformis), cogongrass (Imperata cylindrica), Peruvian primrosewillow (Ludwigia peruviana), and spermacoce (Borreria verticillata) within the bid treatment areas. In addition, those species listed in Table 2 will be targeted where found and/or where vines encroach on the tree canopy.

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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 on the availability of funds for the fiscal year. The contracted work under the bid will be for the treatment events within the bid treatment area.

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 3). 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 should 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 is dependent 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 North portion of Airport Mitigation Park is located in Sections 5, 6, and 7; Township 46 South; Range 27 East; Lee County, Florida (Exhibit 1).

The project consists of the following one-time treatments: Treatment A (of exotic and nuisance species); Treatment B – Spring (of exotic and nuisance species); Treatment C – Scattered

Willow/Exotics (of scattered Carolina willow (Salix caroliniana) (hereafter willow) and exotic and nuisance species)); Treatment D – Dense Willow (of densely concentrated willow); Treatment

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E-1 (Winter Mow); Treatment E-2 (Planting). Treatments will include all indicated targeted exotic and nuisance plant species within the designated treatment areas of Imperial Marsh North. The treatment areas for Treatment A (55.68± acres), Treatment B (823.47± acres), Treatment C (29.29± acres), Treatment D (28.29± acres), Treatment E-1 (Mow) (1.42± acres), and Treatment E-2 (Plant)

(1.42± acres) are depicted on Exhibit 2. A more detailed description of these treatment areas is provided in Section 4.0, below.

3.0 Bid Description

The bid is for the treatment of all Categories I and II exotic and nuisance plant species listed on the most current FISC List of Invasive Plant Species (Exhibit 3), where applicable, and those plant species found in Table 2 for Treatment Area A (Areas A-1 and A-2, 55.68± acres,);

Treatment Area B – Spring Treatment (Areas B-1 through B-7, 823.47± acres); Treatment Area C

– Scattered Willow/Exotic Treatment (Area C-1, 29.29± acres); Treatment Area D (Area D-1, 28.29± acres); Treatment Area E-1 (Mow) (Area E-1, 1.42± acres); and Treatment Area E-2 (Plant)

(Area E-2, 1.42± acres) depicted on Exhibit 2 and described below in Section 4.0.

Melaleuca, Brazilian pepper, torpedograss, Wright’s nutrush, West Indian marsh grass, carrotwood (Cupaniopsis anacardioides), caesarweed, climbing cassia, Old World climbing fern, Java plum (Syzygium cumini), earleaf acacia, cogongrass, Peruvian primrosewillow, and spermacoce 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 where they encroach the canopy of 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, and grapevine within Area A-1 of Treatment Area A, 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 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 used to perform the treatment and removal work.

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4.0 Technical Specifications

The bid consists of one-time treatments of exotic and nuisance species listed in the most current FISC List of Invasive Plant Species (Exhibit 3) and those species found in Table 2 within

Treatment Areas A and B; a one-time treatment of scattered willow and exotic and nuisance species within Treatment Area C; a one-time treatment of willow within Treatment Area D; a one-time mow event within Treatment Area E-1; and a one-time planting event within Treatment Area

E-2. Additional details on the treatment events are provided below in this section:

Treatment Area A

This treatment area includes a higher percentage of exotic and nuisance vegetation that can be treated closer to the NTP than the other treatment areas in this bid (Exhibit 2). As a result, much of Treatment Area A can be treated year-round, and treatment of these areas may begin closer to the NTP in Table 3. Treatment Area A (particularly within Treatment Area A-2) also includes wetland habitats that may not be treatable for longer periods of the treatment window due to high water levels. In these areas, treatment of herbaceous vegetation should occur only when low water levels or no standing water are present and vegetation is actively growing (i.e., non-dormant) to maximize the effectiveness of the applied herbicides. Treatment of these portions of Treatment

Area A before water levels recede may necessitate re-treatment, since certain exotics may not be visible or otherwise viable (i.e., of the appropriate height/age) for treatment. However, treatment of exotic and/or nuisance vegetation (e.g., Old World climbing fern) may occur when water levels are high if high water levels will not decrease the efficacy of the treatment. Within Treatment Area

A-1, there is a high concentration of grapevine growing along the ground which must be treated.

This is the only area within the bid where a native vine species growing along the ground must be treated.

Treatment Area B

This treatment area has been heavily infested with the annual exotic species Wright’s nutrush, and it includes other exotic and nuisance species (Exhibit 2). 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 3 below. The intended timeframe for Treatment B aligns with the Spring flush of invasive herbaceous species (annuals), such as Wright’s nutrush, which

-5-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.

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, such as

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

The intention of Treatment B is to treat species following the Spring flush but before those new plants themselves produce seeds. Due to site conditions and biology, some species (e.g., caesarweed) may have already gone 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.

Treatment Area C

This is a treatment area where willow was treated earlier in 2026 (Exhibit 2). Formally, Treatment Area C resembled Treatment Area D in this bid, where willow is densely concentrated.

Because dense willow was treated in this area earlier in 2026, there may be a higher density of biomass (i.e., dead willow) than other treatment areas in this bid. Willow within Treatment Area

C is more scattered and generally smaller than in Treatment Area D. Treatment C intends to target any willow that may have come up following the extensive willow treatment that was conducted earlier in 2026, as well as all exotic and nuisance vegetation present including, but not limited, to

Peruvian primrosewillow and torpedograss. Treatment of exotic and nuisance species may begin closer to the NTP (Table 3) for woody/shrubby species, such as willow and Peruvian primrosewillow, that are visible above the water surface. However, treatment of herbaceous exotic vegetation (e.g., torpedograss) that may have been submerged at the beginning of the treatment schedule should only begin once water levels have receded enough for complete treatment to

-6-occur. Treatment of these portions of Treatment Area C before water levels recede may result in the need to re-treat because certain exotics may not be visible or otherwise viable (i.e., of the appropriate height/age) to treat.

Treatment Area D

This treatment area consists of treating 28.29± acres of dense willow (Exhibit 2). The willow is to be removed manually or by application of herbicides. Treatment may consist of foliar applications, cut-stump, basal bark, girdling, and/or hand removal of the entire plant (so long as remaining stumps are treated). Treatment D may not begin until water levels have receded enough for access (i.e., late in the dry season, typically April or May). Treatment D does not include exotic species or other nuisance species. Treatment D focuses on willow. As with the other areas of this contract, treated material does not need to be hauled off-site. Mechanical treatment is prohibited.

Treatment Area E-1 (Mow) and E-2 (Plant)

This area is located along the eastern boundary of Imperial Marsh North that is contiguous with an off-site wetland that is heavily infested with Wright’s nutrush and other exotic and nuisance species in lesser amounts. In an effort to reduce the continued spread of off-site exotics

(e.g., Wright’s nutrush) onto Airport Mitigation Park, this two-part (Treatment Area E-1 and E-2) land management activity, coupled with the concurrent Treatment B within the same area, is intended to create a biological barrier. Mowing will reduce the presence of exotics, expose the area for more effective treatment, and create a less competitive environment for plantings. Treatment

(i.e., Treatment B) will bolster this. The plantings will serve as a sort of biological windbreak, ensuring earlier successional exotic species that might otherwise colonize are outcompeted and creating a physical barrier from the intrusion of off-site seed sources.

Treatment E-1 (mow) shall only begin when site conditions are dry enough that the mobilization and utilization of the mower will not cause rutting within the treatment area and surrounding wetland environments. Mowing will target an area containing a monoculture of herbaceous vegetation (e.g., Wright’s nutrush). Mowing is expected to reduce the dense thatch

(i.e., senesced Wright’s nutrush) that has accumulated over time, allowing for a more effective treatment (i.e., Treatment B) during the anticipated spring flush of Wright’s nutrush. The primary purpose of Treatment E-1 will be to reduce biomass and create a more open ground cover for

-7-planting (i.e., Treatment E-2). Treatment E-1 may have the added benefit of removing exotics, but it does not have to be timed in a manner to achieve this since site conditions may not permit mowing once targeted species would emerge (i.e., water levels may become too high). Prior to

Treatment E-2 (plant), Treatment B shall occur as described above. The area encompassed by

Treatment Area E that coincides with Treatment Area B shall be targeted toward the beginning of

Treatment B. Treatment E-2 (plant) consists of planting the mowed and treated area with native ground cover species. Treatment E-2 shall occur approximately three weeks after Treatment B and before water levels become too high for successful planting. This will minimize the likelihood of exotic and nuisance species succession within the mowed area while allowing time for the area to be inspected for effectiveness of Treatment B and/or for it to be re-treated prior to planting. The

Sub-Contractor shall notify the GEPC and the LCPA before beginning Treatment E-2. The GEPC shall then inspect the Treatment E-2 area to determine if exotic vegetation is sufficiently treated and water levels are not too high to support plantings. Only after the Sub-Contractor has received approval from the GEPC and LCPA may treatment of these areas begin.

Ground cover plantings will include a minimum of three of the species listed in Table 1.

The species selected for planting will depend on market availability at the time of planting.

Minimum height and container size are in accordance with the Florida Department of Agriculture and Consumer Services (FDACS) Florida grades and Standards for Nursery Plants (2015). At this time, direct seeding shall not be used. The planting area is shown on Exhibit 2.

Table 1 Supplemental Planting List for Treatment Area E-2

Common Name Scientific Name Minimum Height

Minimum Container

Size

Planting Density

(On Center) Ground Cover

Alligatorflag Thalia geniculata 12 in. 2 in. 3 ft.

Arrowhead Sagittaria lancifolia 12 in. 2 in. 3 ft.

Gulfdune paspalum Paspalum monostachyum 12 in. 2 in. 3 ft.

Knotted spikerush Eleocharis interstincta 12 in. 2 in. 3 ft.

Maidencane Hymenachne hemitomon 12 in. 2 in. 3 ft.

Muhly grass Muhlenbergia capillaris 12 in. 2 in. 3 ft.

Pickerelweed Pontederia cordata 12 in. 2 in. 3 ft.

Soft-stem bulrush Scirpus validus 12 in. 2 in. 3 ft.

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Treatment E-2 does not include canopy or sub-canopy species. Using the three feet on center planting density, there should be a total of 6,873 ground cover plantings within the 1.42± acres of Treatment Area E-2. By the Substantial Completion date, plantings shall achieve an 80 percent survival rate, as determined by the GEPC. If mortality exceeds this, additional plantings shall be installed at a quantity that the 80 percent coverage requirement is achieved by the Final

Completion date. Because this area is naturally hydrated, and plantings will be installed at such a time prior to the onset of summer weather patterns (i.e., rain events), irrigation is not required. Any containers (e.g., pots/liner flats) associated with plantings must be removed from the project site.

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

2. Exotic and nuisance vegetation treatments shall not extend beyond the property limits (perimeter fence); however, herbicide treatments shall be applied to exotic and nuisance 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, as depicted in Exhibit

2. This work (i.e., perimeter fence vegetation maintenance and trail system maintenance) is described within the technical specifications provided under separate cover for another project.

Targeted plant 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 2 below. Bahiagrass and smutgrass are not included in this scope.

Table 2 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 Greenbrier Smilax spp.

Grapevine Vitis spp.

Water lettuce Pistia stratiotes White vine Sarcostema clausum

The most common species identified for treatment include Wright’s nutrush, West Indian marshgrass, Peruvian primrosewillow, Brazilian pepper, and caesarweed. However, all exotic and nuisance vegetation listed Table 2 and in Exhibit 3 must be eradicated.

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The bid treatment areas under contract must contain zero percent areal coverage of exotic/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 application of 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 fifteen minutes of the cutting, with the exception of Brazilian pepper, to which the herbicide must be applied within five minutes of cutting. Marker dye that is clearly visible shall be included with the herbicide so that confirmation of treatment can be made. 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, encountered 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, and grapevine within Area A-1 of Treatment Area A, 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 and 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 & Consumer Services (FDACS), Florida Department of Environmental

Protection (FDEP), and the 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 FDACS for use in Florida. Unregistered and/or experimental products are prohibited on this project. All chemicals

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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. Treatment activities should be scheduled during periods of low or no standing water, where possible, to maximize the effectiveness of the applied herbicides.

The Sub-Contractor is responsible for obtaining all applicable permits prior to the application of 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 commencement of any work conducted within the 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 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).

The storage of 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 daily, 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 North, where there is a monoculture of Wright’s nutrush. Before implementing boom spraying, the Sub-Contractor shall notify the LCPA and

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GEPC and provide a map of the areas to be treated. Treatment of these areas can commence after the Sub-Contractor has received approval from the LCPA and GEPC. Best management practices shall be utilized to avoid and minimize non-target damage and spray drift onto native vegetation.

These practices include, but are not limited to, using appropriate pressure and droplet size;

avoiding excessive runoff of chemicals on treated plants; using appropriately labeled herbicides and adjuvants; using selective treatment methods; avoiding spraying in windy conditions; and allowing enough time for spraying before or after rain events. If severe, overspray or damage to non-target species may result in replanting or other remedial actions at the sole responsibility of the Sub-Contractor, if applicable.

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:

• 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 project progress schedule at the pre-construction meeting. The schedule shall show a complete sequence of activities and show the projected percentage of completion for each item. This schedule will be used to plan, organize, execute, and direct the work. Access to the site will be provided by the existing adjacent road network and through existing locked gates. The access gates are to remain locked at all times after

-12-entry and exit. Gate access information will be provided to the Sub-Contractor prior to the start of work. Access to treatment areas shall occur through the existing on-site trail system. 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 information to identify who will be on-site and the type(s) of vehicles.

All equipment brought on-site for removal/treatment activities must be cleaned prior to being used at Airport Mitigation Park to prevent cross-contamination from another site. This includes, but is not limited to, trucks, trailers, All-Terrain Vehicles, tractors, mowers, and spray rigs. Equipment used must also maintain the current state of the on-site trails. If any equipment causes damage to the trail system (e.g., creating ruts), the Sub-Contractor must restore the affected trails to their original conditions prior to the end of work.

The Sub-Contractor is 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 more precise workmanship. 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 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, LCPA, and 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 follow the schedule (Table 3) below.

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

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

-13-applied herbicides. Treatment A 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 of Treatment B shall be treated when seedlings and resprouts reach a minimum height of four to six inches. Additional details on the timing of Treatment A, B, C, D, and E are outlined in Section 4.0 above.

The treatment schedule is dependent upon weather conditions, regrowth, signs of active growth in herbaceous vegetation, 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 the

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

Table 3. Schedule of Events

Event Date Notice to Proceed1 Late January 2027 Treatment A: 50% Complete February 19, 2027 Treatment B: Potential Start Date2 May 17, 2027

Treatment E-1 (Mow): Potential Start Date January through May, 2027 Treatment E-2 (Plant): Potential Start Date3 June 7, 2027

Treatment A, B, C, D, E-1, and E-2: Substantial Completion July 1, 2027 Project Completion July 31, 2027

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.

2Treatment B shall occur when seedlings and resprouts of herbaceous species reach a minimum of four to six inches in height. If the Treatment B start date is delayed because the height of the vegetation has not achieved the specified minimum or water levels restrict treatment, the Substantial Completion date and Project Completion date will be adjusted accordingly. Treatment B should be timed in such a way that the portion coinciding with Treatment Area E-1 is completed first.

3Treatment E-2 shall begin approximately three weeks after Treatment B occurs within Treatment Area E and after Treatment E-1 has occurred.

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

Basis of Payment:

Item 1.1 – Treatment Area A (55.68± acres) – (Lump Sum)

Item 1.2 – Treatment Area B – Spring (823.47± acres) – (Lump Sum)

Item 1.3 – Treatment Area C – Willow/Exotics (29.29± acres) – (Lump Sum)

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Item 1.4 – Treatment Area D – Dense Willow (28.29± acres) – (Lump Sum)

Item 1.5 – Treatment Area E-1 (Mow) (1.42± acres) – (Lump Sum)

Item 1.6 – Treatment Area E-2 (Plant) (1.42± acres) – (Lump Sum)

7.0 Acceptance and Payment

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

(i.e., GEPC) before invoices can be processed monthly. 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-treatment of the area at no expense to LCPA. The timeframe 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 timeframe will start when the GEPC begins the oversight inspection 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 3). 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 GEPC to have 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

EXHIBIT 1

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AIRPORT MITIGATION PARK - IMPERIAL

MARSH NORTH

EXHIBIT 1. PROJECT LOCATION MAP

IMPERIAL MARSH NORTH

SEC 5-7, TWP 46 S, RNG 27 E

SITE H

IMPERIAL MARSH SOUTH

FLINT PEN STRAND

6/03/26T.S.

EXHIBIT 2

AERIAL WITH FY 2026–2027 TREATMENT AREAS

A-2 (48.11 Ac.±)

C-1 (29.29 Ac.±)

E-2 (1.42 Ac.±)B-1

(7.86 Ac.±)

B-3 (5.20 Ac.±)

B-2 (773.55 Ac.±)

B-4 (1.05 Ac.±)

B-5 (17.81 Ac.±)

B-6 (8.86 Ac.±)

B-7 (9.14 Ac.±)

IMPERIAL

MARSH

SOUTH

IMPERIAL

MARSH

NORTH

IMPERIAL

MARSH

SOUTH

IMPERIAL

MARSH

NORTH

INSETE-1

(1.42 Ac.±)

A-1 (7.57 Ac.±)

D-1 (28.29 Ac.±)

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T.S.

J.I.

J.T.

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 NORTH

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 LABEL (TYP.)

TREATMENT AREA A

(55.68 Ac.±)

TREATMENT AREA B

SPRING TREATMENT

(823.47 Ac.±)

TREATMENT AREA C

SCATTERED WILLOW/EXOTICS

(29.29 Ac.±)

TREATMENT AREA D

DENSE WILLOW

(28.29 Ac.±)

TREATMENT AREA E-1 (MOW)

(1.42 Ac.±)

TREATMENT AREA E-2 (PLANT)

(1.42 Ac.±)

A-1

INSET: 1" = 300'

T.S. - Gator hole removed 6/03/26

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 Manilkara zapota sapodilla S https://florida.plantatlas.usf.edu/Plant.aspx?id=214 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 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.