Florida Department of Transportation 801 North Broadway Bartow, FL 33830

Transcription

1 RICK SCOTT GOVERNOR Florida Department of Transportation 801 North Broadway Bartow, FL JIM BOXOLD SECRETARY MEMORANDUM DATE: April 16, 2015 TO: FROM: COPIES: Ryan Lazenby, FDOT Sergio Figueroa, FDOT Carl Spirio, Brent Setchell, Rick Ryals SUBJECT: FPID No : SR 82 (From Gator Slough to SR 29) Regional Pond Alternative A regional pond alternative was analyzed in order to maximize FDOT funds and project needs for the subject project as well as the adjacent SR 82 project (FPID No ) and SR 29 project (FPID No ). Based on a review of the project area, the WBID basin areas, and contacts with multiple owners adjacent to the project, it was determined that the most feasible site for a regional pond alternative is at parcel number located at the southeast corner of SR 82 and Lamm Road. The 200 acre site is currently used for agriculture and also is currently for sale for approximately $1.8 million. Based on discussions with the property owner, the owner is willing to work with FDOT for the sale of the property.

2 The proposed regional pond will treat and attenuate the project runoff for the SR 82 project ( ) only. However, the project is located within three WBID basins: Townsend Canal (Impaired) Corkscrew Swamp (Impaired) Cow Slough The regional pond would only outfall to Cow Slough. A meeting was held with SFWMD to discuss the permit feasibility for this regional pond. SFWMD stated that the regional pond can be used for this project provided that the other outfalls would not be adversely impacted no new degradation (see Appendix C). Based on calculations provided in Appendix A, the regional pond would serve enough compensatory treatment for the other basins that would assure the other project outfalls (Townsend Canal and Corkscrew Swamp) would not be adversely impacted. The analysis also estimates right-of-way needs using the NRCS hydrograph equations (formerly SCS) volumetric analysis, which accounts for water quality treatment and water quantity for runoff attenuation for the ultimate 6-lane configuration. The right-of-way cost estimate found in this memorandum is a budget tool used by the Department to estimate total acquisition costs associated with each pond site and to budget the appropriate funds for acquisition. Right-of-way cost estimates are not real estate appraisals and do not reflect market value. In addition, FDOT uses appraisals that comply with the Uniform Standards of Professional Appraisal Practice (USPAP) for acquisition purposes. Furthermore, the regional pond site was analyzed with 5 different alternatives. Please see the table below: Regional Pond Alternative Area, ac Purpose 5A 9.85 Treatment/Attenuation for only 5B Treatment/Attenuation for Provide roadway fill requirements for C 5D Treatment/Attenuation for Provide roadway fill requirements for , Treatment/Attenuation for Provide roadway fill requirements for , , E Treatment/Attenuation for ,

3 Based on the geotech pond borings, suitable fill (type A-3 and A-2-4 soils) for embankment under the roadway extends up to 15 feet from the existing ground. To maximize the excavation from the proposed pond alternatives to use for embankment under the roadway, the regional pond bottoms would be 15 feet below the existing ground. Per preliminary earthwork calculations, the amount of roadway fill needed are as follows: SR 82, from Gator Slough to SR 29 ( ) 219,508 CY SR 82, from Hendry County Line to Gator Slough ( ).395,250 CY SR 29, from SR 82 to Hendry County Line ( ).90,000 CY In order to determine whether the regional pond site alternatives (Ponds 5A through 5E) are cost feasible to the department, the total cost of the preferred pond site alternatives from the design PSR (Ponds 3A and 4A) were compared to the total cost of Ponds 5A through 5E. The table below shows the cost comparison between all pond alternatives. Please see Appendix B for the cost analysis matrix. Preferred Pond Alternative Projects for Embankment Estimated Total Cost 3A & 4A $2,799, A $1,802, B $1,582, C , $3,487, D , , $4,096, E , $2,004, Note: The estimated total cost includes the total cost of the project fill requirements. Based on the estimated total cost comparison, it is recommended that Pond 5B be the preferred pond alternative. This regional pond would provide the required treatment, attenuation, and roadway embankment requirements for the SR 82 project ( ). Please note that the recommendations were based on pond sizes and locations determined from preliminary data calculations, reasonable engineering judgment, environmental analysis, FDOT Stormwater Management Facility Handbook, and assumptions. Pond sizes and locations may change as more detailed information on season high water table (SHWT), wetland hydrologic information, and final roadway profile are developed during final design.

4 EXISTING R/W LINE SR 82 OF SURVEY POND 5A EASEMENT 0.02 ACRES EXISTING R/W LINE N Feet POND 5A WET DETENTION 9.85 ACRES DATE DESCRIPTION REVISIONS DATE DESCRIPTION STATE OF FLORIDA DEPARTMENT OF TRANSPORTATION DESIGN REGIONAL SHEET NO. ROAD NO. 82 COUNTY COLLIER FINANCIAL PROJECT ID POND ALTERNATIVES 1 rd152sf 4/7/2015 1:05:22 PM C:\E\Projects\ \drainage\working files\drmprd_exhibit (RW REGIONAL).DGN

5 EXISTING R/W LINE SR 82 OF SURVEY POND 5B EASEMENT 0.02 ACRES EXISTING R/W LINE N Feet POND 5B WET DETENTION ACRES DATE DESCRIPTION REVISIONS DATE DESCRIPTION STATE OF FLORIDA DEPARTMENT OF TRANSPORTATION DESIGN REGIONAL SHEET NO. ROAD NO. 82 COUNTY COLLIER FINANCIAL PROJECT ID POND ALTERNATIVES 2 rd152sf 4/15/2015 1:05:47 PM C:\E\Projects\ \drainage\working files\drmprd_exhibit (RW REGIONAL).DGN

6 SR 82 OF SURVEY POND 5C EASEMENT 0.02 ACRES EXISTING R/W LINE N Feet POND 5C WET DETENTION ACRES DATE DESCRIPTION REVISIONS DATE DESCRIPTION STATE OF FLORIDA DEPARTMENT OF TRANSPORTATION DESIGN REGIONAL SHEET NO. ROAD NO. 82 COUNTY COLLIER FINANCIAL PROJECT ID POND ALTERNATIVES 3 rd152sf 4/15/2015 1:06:22 PM C:\E\Projects\ \drainage\working files\drmprd_exhibit (RW REGIONAL).DGN

7 SR 82 OF SURVEY POND 5D EASEMENT 0.02 ACRES EXISTING R/W LINE N Feet POND 5D WET DETENTION ACRES DATE DESCRIPTION REVISIONS DATE DESCRIPTION STATE OF FLORIDA DEPARTMENT OF TRANSPORTATION DESIGN REGIONAL SHEET NO. ROAD NO. 82 COUNTY COLLIER FINANCIAL PROJECT ID POND ALTERNATIVES 4 rd152sf 4/15/2015 1:06:54 PM C:\E\Projects\ \drainage\working files\drmprd_exhibit (RW REGIONAL).DGN

8 EXISTING R/W LINE SR 82 OF SURVEY POND 5E EASEMENT 0.02 ACRES EXISTING R/W LINE N Feet POND 5E WET DETENTION ACRES DATE DESCRIPTION REVISIONS DATE DESCRIPTION STATE OF FLORIDA DEPARTMENT OF TRANSPORTATION DESIGN REGIONAL SHEET NO. ROAD NO. 82 COUNTY COLLIER FINANCIAL PROJECT ID POND ALTERNATIVES 5 rd152sf 4/15/2015 1:07:32 PM C:\E\Projects\ \drainage\working files\drmprd_exhibit (RW REGIONAL).DGN

9 APPENDIX A CALCULATIONS

10 Made by: SF DATE: April 16, 2015 Checked by: BS Job Number: PROJECT : SR 82 from Gator Slough Lane to SR 29 BASIN NAME : 3 POND NAME : Regional Pond Alternative (Pond 5) EXISTING CONDITION Total Basin Area: Impervious Area: 1.06 ac Pervious Area: 4.91 ac Pervious Pond Area: 9.68 ac Note: Areas Measured in MicroStation. Total Area: ac Curve Number: Land Use Description Soil Group CN Area CN*Area 5 Impervious areas; Streets & roads B ac Impervious areas; Dirt including right-of-way D ac Impervious areas; Dirt including right-of-way D ac WETLANDS, Cypress & Bay Heads, Areas of Periodic # Inundation. D ac # Row Crops - Straight Row - Good D ac Total: ac CN = Total CN*Area / Total Area = 89.7 Runoff: Denotes Pond Area SFWMD (25yr/72hr) Storm Sewer (10yr/24hr) Soil Capacity (S) = = 1.14 in Precipitation (P) = 9.00 in 7.25 in CN Runoff (Q) = (P - 0.2S) 2 Runoff (Q) = 7.76 in 6.04 in (P + 0.8S)

11 Made by: SF DATE: April 16, 2015 Checked by: BS Job Number: PROJECT : SR 82 from Gator Slough Lane to SR 29 BASIN NAME : 3 POND NAME : Regional Pond Alternative (Pond 5) PROPOSED CONDITION Pond Area: Pervious Pond Area : 1.86 ac Water Surface Area: 7.82 ac Wet Pond Total Pond Area: 9.68 ac Total Area: Impervious Area: ac Pervious Area (Including Pond): ac Water Surface Area: 7.82 ac Total Area: ac Note: Proposed Typical Section based on ultimate 6-lane suburban typical section. Curve Number: Land Use Description Soil Group CN Area CN*Area 5 Impervious areas; Streets & roads B ac Newly Graded Area D ac Impervious areas; Dirt including right-of-way D ac Impervious areas; Dirt including right-of-way D ac # Proposed Ponds (Water Surface) D ac # 1 Total: ac CN = Total CN*Area / Total Area = 95.2 Denotes Pond Area Denotes proposed sidewalk/multi-use Trail Runoff: SFWMD (25yr/72hr) Storm Sewer (10yr/24hr) Soil Capacity (S) = = 0.51 in Precipitation (P) = 9.00 in 7.25 in CN Runoff (Q) = (P - 0.2S) 2 Runoff (Q) = 8.42 in 6.67 in (P + 0.8S)

12 Made by: SF DATE: April 16, 2015 Checked by: BS Job Number: POND SIZING PROJECT : SR 82 from Gator Slough Lane to SR 29 BASIN NAME : 3 POND NAME : Regional Pond Alternative (Pond 5) Required Treatment Volume (TV) Selection criteria 2 Permitting Agency SFWMD 1 StormW.Mgmt. Wet Detention 1 Online/Offline Online 0 Impaired Water/OFW No 1 Open/Closed Basin Open Wet Detention 1.00 in total basin area = 2.82 ac-ft 2.50 in new impervious = 2.40 ac-ft Treatment V req = Lesser of Trt. Vol. = 2.40 ac-ft Required Attenuation Volume: Compensatory Treatment V req for Basin 4 = 1.67 ac-ft Note: Per SFWMD Meeting, the required treatment volume is the lesser of the 1 in over the entire basin area and 2.5 in over new pavement. Total Runoff (ac-ft) SFWMD (25yr/72hr) Storm Sewer (10yr/24hr) Q pre = ac-ft 7.87 ac-ft Q post = ac-ft ac-ft Q = ac-ft ac-ft Attenuation V req = ac-ft

13 Made by: SF DATE: April 16, 2015 Checked by: BS Job Number: PROJECT : SR 82 from Gator Slough Lane to SR 29 BASIN NAME : 3 POND NAME : Regional Pond Alternative (Pond 5) Maintenance Area Width = :20 Existing Ground Elevation = Pond Tie-In Width = 2.8 1:4 *Normal Water Elevation = Maximum Storage Depth (SD) = 2.20 ft with 1.0 ft freeboard Lowest EOP Elevation = Hydraulic Grade Line (HGL) check *Note: NWL based on 0.5 ft below SHGWT Elev. provided by geotech Pond Boring 3A-1. HGL Slope = 0.050% Use 0.05% for very flat terrain to 0.1% for flat terrain Distance from Pond to Lowest EOP = 800 ft Estimated Energy Losses = 0.40 ft HGL Clearance = 0.3 ft Open drainage (ditch) system. Maximum Storm Sewer Tailwater EL = ft 3' 20' R/W Line Back of Main. Berm Front of Main. Berm 1:4 1:20 1' Freeboard Existing Ground Pond Section (Wet) 1:4 Attenuation Vol. Treatment Vol. NWL 3' 1:2 Pond Stage / Storage Calculations Pond Bottom ELEVATION DESCRIPTION AREA DIMENSIONS LENGTH WIDTH Pond R/W 9.85 ac ft ft Back of Main. Berm 9.68 ac ft ft ac ft ft Front of Main. Berm 8.53 ac ft ft Provided Treat.Vol.+Att.Vol 8.30 ac ft ft Req'd Treat.Vol+Att. Vol 8.30 ac ft ft Estimated Storm Sewer TW 8.23 ac ft ft Top of Treatment Vol ac ft ft Normal Water Level 7.82 ac ft ft Slope Break 7.19 ac ft ft Pond Bottom 6.35 ac ft ft STORAGE ac-ft ac-ft ac-ft ac-ft ac-ft ac-ft 4.07 ac-ft 0.00 ac-ft Required Treatment+Attenuation Vol.= ac-ft Required Treatment+Attenuation Stage= ft Estimated Treat. Vol.+Storm Sewer Att.= ac-ft Estimated Storm Sewer TW EL.= ft Provided Treatment+Attenuation Vol.= ac-ft Provided Treatment+Attenuation Stage= ft HGL requirements met Required Pond Area - Pond 5A = 9.85 ac (For Treatment & Attenuation only) Note: Treatment depth is less than 1.5-feet because of attenuation & stormsewer TW requirements & Low Edge of pavement elevation. Pond Fill and Excavation Summary Description Elevation, ft Area AVG Area Fill Excavation (acres) Height, ft Volume, cy Height, ft Volume, cy *Pond Bottom ac Slope Break ac Front of Berm ac Existing Ground ac Back of Berm ac Existing Ground ac Total 1, ,464 *Note: A-3 & A-2-4 Soil layer estimated up to 15 feet below existing ground per Soil Borings.

14 Made by: SF DATE: April 16, 2015 Checked by: BS Job Number: PROJECT : SR 82 from Gator Slough Lane to SR 29 BASIN NAME : 3 POND NAME : Regional Pond Alternative (Pond 5) For FPID No (SR 82 from Gator Slough to SR 29) Pond 5B: Increase Pond Area to meet Project Roadway Fill Requirements for ELEVATION DESCRIPTION AREA DIMENSIONS LENGTH WIDTH Pond R/W ac ft ft Back of Main. Berm ac ft ft Existing Ground ac ft ft Front of Main. Berm ac ft ft Normal Water Level 9.70 ac ft ft Slope Break 9.00 ac ft ft *Pond Bottom 8.05 ac ft ft *Note: A-3 & A-2-4 Soil layer estimated up to 15 feet below existing ground per Soil Borings. STORAGE ac-ft ac-ft ac-ft 0.00 ac-ft Pond Fill and Excavation Summary Description Elevation, ft Area AVG Area Fill Excavation (acres) Height, ft Volume, cy Height, ft Volume, cy *Pond Bottom ac Slope Break ac Front of Berm ac Existing Ground ac Back of Berm ac Total 0 219,614 *Note: A-3 & A-2-4 Soil layer estimated up to 15 feet below existing ground per Soil Borings. Required Roadway Fill = 219,508 CY Provided Roadway Fill = 219,614 CY Required Pond Area - Pond 5B = (For FPID No Project Fill ac Requirements) *Note: Increase area by 10% to account for soil shrinkage factor and construction methods. Pond 5C: Increase Pond Area to meet Project Roadway Fill Requirements for , ELEVATION DESCRIPTION AREA DIMENSIONS LENGTH WIDTH Pond R/W ac ft ft Back of Main. Berm ac ft ft Existing Ground ac ft ft Front of Main. Berm ac ft ft Normal Water Level ac ft ft Slope Break ac ft ft *Pond Bottom ac ft ft *Note: A-3 & A-2-4 Soil layer estimated up to 15 feet below existing ground per Soil Borings. STORAGE 1' Freeboard ac-ft ac-ft ac-ft 0.00 ac-ft Pond Fill and Excavation Summary Description Elevation, ft Area AVG Area Fill Excavation (acres) Height, ft Volume, cy Height, ft Volume, cy *Pond Bottom ac Slope Break ac Front of Berm ac Existing Ground ac Back of Berm ac Total 0 614,779 *Note: A-3 & A-2-4 Soil layer estimated up to 15 feet below existing ground per Soil Borings. Required Roadway Fill ( ) = Required Roadway Fill ( ) = Total Required Roadway Fill = 219,508 CY 395,250 CY 614,758 CY Provided Roadway Fill = 614,779 CY Required Pond Area - Pond 5C = ac (For Project Fill Requirements) *Note: Increase area by 10% to account for soil shrinkage factor and construction methods.

15 Made by: SF DATE: April 16, 2015 Checked by: BS Job Number: PROJECT : SR 82 from Gator Slough Lane to SR 29 BASIN NAME : 3 POND NAME : Regional Pond Alternative (Pond 5) Pond 5D: Increase Pond Area to meet Project Roadway Fill Requirements for , , ELEVATION DESCRIPTION AREA DIMENSIONS LENGTH WIDTH Pond R/W ac ft ft Back of Main. Berm ac ft ft Existing Ground ac ft ft Front of Main. Berm ac ft ft Normal Water Level ac ft ft Slope Break ac ft ft *Pond Bottom ac ft ft *Note: A-3 & A-2-4 Soil layer estimated up to 15 feet below existing ground per Soil Borings. STORAGE ac-ft ac-ft ac-ft 0.00 ac-ft Pond Fill and Excavation Summary Description Elevation, ft Area AVG Area Fill Excavation (acres) Height, ft Volume, cy Height, ft Volume, cy *Pond Bottom ac Slope Break ac Front of Berm ac Existing Ground ac Back of Berm ac Total 0 704,906 *Note: A-3 & A-2-4 Soil layer estimated up to 15 feet below existing ground per Soil Borings. Required Roadway Fill ( ) = Required Roadway Fill ( ) = Required Roadway Fill ( ) = Total Required Roadway Fill = 219,508 CY 395,250 CY 90,000 CY 704,758 CY Provided Roadway Fill = 704,906 CY Required Pond Area (Pond 5D) = ac (For Project Fill Requirements) *Note: Increase area by 10% to account for soil shrinkage factor and construction methods. Pond 5E: Increase Pond Area to meet Project Roadway Fill Requirements for , ELEVATION DESCRIPTION AREA DIMENSIONS LENGTH WIDTH Pond R/W ac ft ft Back of Main. Berm ac ft ft Existing Ground ac ft ft Front of Main. Berm ac ft ft Normal Water Level ac ft ft Slope Break ac ft ft *Pond Bottom ac ft ft *Note: A-3 & A-2-4 Soil layer estimated up to 15 feet below existing ground per Soil Borings. STORAGE ac-ft ac-ft ac-ft 0.00 ac-ft Pond Fill and Excavation Summary Description Elevation, ft Area AVG Area Fill Excavation (acres) Height, ft Volume, cy Height, ft Volume, cy *Pond Bottom ac Slope Break ac Front of Berm ac Existing Ground ac Back of Berm ac Total 0 309,692 *Note: A-3 & A-2-4 Soil layer estimated up to 15 feet below existing ground per Soil Borings. Required Roadway Fill ( ) = Required Roadway Fill ( ) = Total Required Roadway Fill = 219,508 CY 90,000 CY 309,508 CY Provided Roadway Fill = 309,692 CY Required Pond Area (Pond 5E) = ac (For Project Fill Requirements) *Note: Increase area by 10% to account for soil shrinkage factor and construction methods.

16 Made by: SF DATE: April 16, 2015 Checked by: BS Job Number: PROJECT : SR 82 from Gator Slough Lane to SR 29 BASIN NAME : 4 POND NAME : Regional Pond Alternative EXISTING CONDITION Total Basin Area: Impervious Area: 7.54 ac Pervious Area: ac Total Area: ac Note: Areas Measured in MicroStation. Curve Number: Land Use Description Soil Group CN Area CN*Area 5 Impervious areas; Streets & roads B ac Impervious areas; Dirt including right-of-way D ac # Existing Lakes (Water surface) D ac Total: ac CN = Total CN*Area / Total Area = 91.4 Runoff: SFWMD (25yr/72hr) Storm Sewer (10yr/24hr) Soil Capacity (S) = = 0.94 in Precipitation (P) = 9.00 in 7.25 in CN Runoff (Q) = (P - 0.2S) 2 Runoff (Q) = 7.96 in 6.23 in (P + 0.8S) PROPOSED CONDITION Total Area: Impervious Area: ac Pervious Area: ac Total Area: ac Note: (1) Proposed Typical Section based on ultimate 6- lane suburban typical section. (2) Basin 4 basin limits were shifted in order to meet prepost discharge requirements. Curve Number: Land Use Description Soil Group CN Area CN*Area 5 Impervious areas; Streets & roads B ac Newly Graded Area D ac Impervious areas; Dirt including right-of-way D ac # 1 Total: ac CN = Total CN*Area / Total Area = 93.7 Denotes proposed sidewalk/multi-use Trail Runoff: SFWMD (25yr/72hr) Storm Sewer (10yr/24hr) Soil Capacity (S) = = 0.67 in Precipitation (P) = 9.00 in 7.25 in CN Runoff (Q) = (P - 0.2S) 2 Runoff (Q) = 8.24 in 6.50 in (P + 0.8S) Required Treatment Volume (TV) Wet Detention 1.00 in total basin area = 2.68 ac-ft 2.50 in new impervious = 1.67 ac-ft Treatment V req = Lesser of Trt. Vol. = 1.67 ac-ft Note: Per SFWMD Meeting, the required treatment volume is the lesser of the 1 in over the entire basin area and 2.5 in over new pavement. Required Attenuation Volume: Total Runoff (ac-ft) SFWMD (25yr/72hr) Storm Sewer (10yr/24hr) Q pre = ac-ft ac-ft Q post = ac-ft ac-ft Q = ac-ft ac-ft Attenuation V req = 0.00 ac-ft

17 CATCHMENTS AND TREATMENT SUMMARY RESULTS V7.3 CALCULATION METHODS: 1. The effectiveness of each BMP in a single catchment is converted to an equivalent capture volume. 2. Certain BMP treatment train combinations have not been evaluated and in practice they are at this time not used, an example is a greenroof following a tree well. 3. If multiple BMPs are used in a single catchment and one of them is detention, then it is assumed to be last in series. PROJECT TITLE (Basin 4) Optional Identification Catchment 1: Catchment 2: Catchment 3: Catchment 4: BMP Name Swale BMP Name BMP Name Summary Performance of Entire Watershed Catchment Configuration A - Single Catchment Nitrogen Pre Load (kg/yr) Phosphorus Pre Load (kg/yr) Nitrogen Post Load (kg/yr) Phosphorus Post Load (kg/yr) Target Load Reduction (N) % Target Load Reduction (P) % Target Discharge Load, N (kg/yr) Target Discharge Load, P (kg/yr) Provided Overall Efficiency, N (%): Provided Overall Efficiency, P (%): Discharged Load, N (kg/yr & lb/yr): Discharged Load, P (kg/yr & lb/yr): Load Removed, N (kg/yr & Ib/yr): Load Removed, P (kg/yr & Ib/yr): /14/2015 BMPTRAINS MODEL

18 WATERSHED CHARACTERISTICS V7.3 GO TO STORMWATER TREATMENT ANALYSIS CLICK ON CELL BELOW TO SELECT CONFIGURATION SELECT CATCHMENT CONFIGURATION A - Single Catchment CATCHMENT NO.1 CHARACTERISTICS: \ If mixed land uses (side calculation) Blue Numbers = Red Numbers = Input data Calculated VIEW CATCHMENT CONFIGURATION OVERWRITE DEFAULT CONCENTRATIONS USING: CLICK ON CELL BELOW TO SELECT Land use Area Acres non DCIA CN %DCIA PRE: POST: Pre-development land use: Highway: TN=1.640 TP=0.220 EMC(N): mg/l mg/l with default EMCs CLICK ON CELL BELOW TO SELECT EMC(P): mg/l mg/l Post-development land use: Highway: TN=1.640 TP=0.220 with default EMCs Total CLICK ON CELL BELOW TO SELECT: Total pre-development catchment area: AC Total post-development catchment or BMP analysis area: AC OVERWRITE DEFAULT CONCENTRATIONS Pre-development Non DCIA CN: Average annual runoff volume: ac-ft/year Pre-development DCIA percentage: 0.00 % Pre-development Annual Mass Loading - Nitrogen: kg/year Post-development Non DCIA CN: Pre-development Annual Mass Loading - Phosphorus: kg/year Post-development DCIA percentage: 0.00 % Post-development Annual Mass Loading - Nitrogen: kg/year Estimated Area of BMP (used for rainfall excess not loadings) 0.00 AC Post-development Annual Mass Loading - Phosphorus: kg/year CATCHMENT NO.2 CHARACTERISTICS: \ If mixed land uses (side calculation) OVERWRITE DEFAULT CONCENTRATIONS: CLICK ON CELL BELOW TO SELECT Land use Area Acres non DCIA CN %DCIA PRE: POST: Pre-development land use: EMC(N): mg/l mg/l with default EMCs CLICK ON CELL BELOW TO SELECT EMC(P): mg/l mg/l Post-development land use: with default EMCs Total CLICK ON CELL BELOW TO SELECT: Total pre-development catchment area: AC Total post-development catchment or BMP analysis area: AC USE DEFAULT CONCENTRATIONS Pre-development Non DCIA CN: Average annual runoff volume: ac-ft/year Pre-development DCIA percentage: % Pre-development Annual Mass Loading - Nitrogen: kg/year Post-development Non DCIA CN: Pre-development Annual Mass Loading - Phosphorus: kg/year Post-development DCIA percentage: % Post-development Annual Mass Loading - Nitrogen: kg/year Estimated Area of BMP (used for rainfall excess not loadings) AC Post-development Annual Mass Loading - Phosphorus: kg/year

19 SWALE V7.3 SWALE SERVING CONTRIBUTING CATCHMENT: (Basin 4) Catchment 1 Catchment 2 Catchment3 Catchment 4 Contributing catchment area: ac Required treatment efficiency (Nitrogen): % Required treatment efficiency (Phosphorus): % Swale top width calculated for flood conditions [W]: ft Swale bottom width (0 for triangular section) [B]: 5.00 ft Swale length [L]: ft Average impervious length: ft Average impervious width (including shoulder): ft Average width of the pervious area to include swale width: ft Contributing catchment area: ft 2 Swale slope (ft drop/ft length) [S]: Manning's N: Soil infiltration rate: in/hr Side slope of swale (horizontal ft/vertical ft) [Z]: Infiltrated storage depth: in Cumulative height of the swale blocks [H]: ft Length of the berm upstream of the crest [Lb]: ft Volume of water in swales upstream of swale blocks: in Total volume: in Provided treatment efficiency (Nitrogen): % Provided treatment efficiency (Phosphorus): % Treatment efficiency(%): Retention depth (inch): Efficiency Curve: Sys. Eff. (N $ P) CAT 1 Sys. Eff. (N $ P) CAT 2 Sys. Eff. (N $ P) CAT 3 Sys. Eff. (N $ P) CAT 4 NOTE FOR TREATMENT EFFICIENCY GRAPH: The purpose of this graph is to help illustrate the treatment efficiency of the swale as the function of retention depth. The graph illustrates that there is diminishing effectiveness as the retention depth is increased.

20 Blue Numbers = Red Numbers = Input data Calculated or Carryover GO TO STORMWATER TREATMENT ANALYSIS Catchment 1 Catchment 2 Catchment3 Catchment 4 Concentration reduction? (If S<= 1% or H>= 6 in) No Provided percent mass reductions in surface discharges are: Nitrogen efficiency Phosphorus efficiency If you are you interested in the mass of pollutants removed before percolating into the groundwater? View Media Mixes Specify soil media Nitrogen mass reduction in groundwater discharge % Phosphorus mass reduction in groundwarer discharge %

21 Figueroa, Sergio From: Sent: To: Cc: Subject: Ryals, Richard D Thursday, March 19, :45 AM Figueroa, Sergio Lazenby, Ryan SR 82 Earthwork As requested in our meeting this past Monday, here is the earthwork required for the project: Road Fill (CY) Excavation(CY) SR SR TOTAL Please let me know if you have any questions. Thanks. Rick Richard D. Ryals Design Project Manager Atkins North America on behalf of the Florida Department of Transportation District One Design, MS N. Broadway Ave. Bartow Fl, richard.ryals@dot.state.fl.us 1

22

23 ESTIMATE OF EMBANKMENT REQUIRED FOR SR29 (Typical section shown above is from the in-house design project, along SR 29) Areas Area 1 = 55 SF (excavation) Area 2 =13 SF (embankment) Area 3 =270 SF (embankment) Total = = 228 SF embankment Project Length Begin MP = End MP = Total Length = = Miles (11,014 ft.) In-house design project length along SR 29 = 1000 ft. Total length for volume calculation = = 10,014 ft. Total embankment required Volume = (228 sf) * (10,014 ft.) = 2,283,192 ft^3 /27 =84,562 CY For the estimate I would assume approximately 90,000 CY of embankment will be required.

24 NM: 19.2 OC: 1.3 NM: : 20.3 NM: 21.0 OC: 4.9 N SCALE: 1"=300'

25 APPENDIX B COST ANALYSIS

26 POND ALTERNATIVES STATION LOCATION SIDE COLLIER COUNTY PARCEL NO. EXISTING GROUND ELEV. (FT) SOIL NAMES (HYDROLOGIC GROUP) CONTROL ELEV. (FT) SR 82 FROM GATOR SLOUGH TO SR 29 BASIN 3/4 ALTERNATIVE POND SITES LOWEST EDGE OF EXISTING ROADWAY POND DATA SUMMARY DISTANCE FROM LOWEST EDGE OF PROPOSED ROADWAY DRY RETENTION OR WET DETENTION 3A RT B/D Wet Detention WETLAND (STA RT) A LT A/D Wet Detention 38 2 L 29 CANAL DHW 25YR/72HR (FT) TREATMENT & ATTENUATION DEPTH (FT) OUTFALL LOCATION REQUIRED TREATMENT AND ATTENUATION VOLUME (AC FT) REQUIRED POND AREA (AC) REQUIRED POND ACCESS AREA (AC) 5A B C RT B/D Wet Detention WETLAND (STA RT) D E POND ALTERNATIVES POND FLOODPLAIN IMPACTS 1 (AC FT) ARCH./ HISTORICAL IMPACT POTENTIAL WETLAND IMPACTS (AC) WETLAND IMPACT COST 2 PANTHER IMPACT COST 3 THREATENED OR ENDANGERED SPECIES IMPACTS IMPACT AND COST ANALYSIS HAZARDOUS MATERIALS & CONTAMINATION POTENTIAL MAJOR UTILITY CONFLICT POTENTIAL (Y/N) EXISTING LAND USE TOTAL PARCEL AREA (AC.) ESTIMATED CONSTRUCTION COST 4 ESTIMATED RIGHT OF WAY ACQUISITION COST TOTAL POND COSTS 3A 0 LOW 0.14 $6, $20, MEDIUM MEDIUM N Agriculture $238, $2,436, $2,171, A 0.06 LOW 0.03 $1, $21, MEDIUM NONE N Pastureland $340, $362, Total $2,799, A 0 LOW 0.68 $38, $91, MEDIUM MEDIUM N Agriculture $1,330, $341, $1,802, B 0 LOW 0.89 $50, $121, MEDIUM MEDIUM N Agriculture $1,025, $385, $1,582, C 0 LOW 2.17 $123, $302, MEDIUM MEDIUM N Agriculture $2,391, $670, $3,487, D 0 LOW 2.28 $129, $345, MEDIUM MEDIUM N Agriculture $2,702, $918, $4,096, E 0 LOW 1.12 $63, $161, MEDIUM MEDIUM N Agriculture $1,334, $445, $2,004, Note: 1 Floodplain Impacts are to be compensated for via Floodplain Modeling to show no rise in the floodplain. 2 Wetland impact costs were determined conservatively based on a UMAM delta of 0.6 (medium quality wetland) and a cost of $95,000 per herbaceous credit at Corkscrew Regional Mitigation Bank. 3 Panther Impact costs assuming $850/PHU (based on range of $750 to $850 per PHU credit at the Florida Panther Conservation Bank). 4 Estimated Construction Costs includes cost of project fill. For 3A/4A, 5A, and 5B, includes fill for For 5C, includes fill for & For 5D, includes fill for , , & For 5E, includes fill for & POND ALTERNATIVES RANKINGS 3A/4A 4 5A 2 5B 1 5C 5 5D 6 5E 3

27 S:\Drainage\In-House Design Projects\ (SR 82 - Gator Slough to SR 29)\Reports\Regional Pond Memorandum\Appendix B - Cost Analysis\Construction Cost Estimate_Pond 3A&4A Made by: SF DATE: April 16, 2015 Checked by: BS FPID Number: PROJECT : SR 82 from Gator Slough to SR 29 BASIN NAME : 3 POND NAME : 3A POND CONSTRUCTION COSTS Elevation, ft Area, acres Pond Bottom Slope Break Existing Ground Front of Berm Back of Berm Existing Ground Pond Dimensions and Stages AVG Area Fill Excavation (acres) Height, ft Volume, cy Height, ft Volume, cy Total EARTHWORK CLEARING AND GRUBBING POND R/W AREA : 3.06 ac POND 3A & 4A EXCAVATION VOLUME: 54,489 cy COST PER ACRE : $7, EXCAVATION COST PER CY: $3.00 TOTAL COST : $24, ESTIMATED POND EARTHWORK COST: $163, REQUIRED ROADWAY FILL ( ): 219,508 cy POND 3A SUITABLE SOILS EXCAVATION: 35,803 cy POND 4A SUITABLE SOILS EXCAVATION: 10,803 cy TOTAL ROADWAY PROJECT FILL: 172,902 cy POND SOD QUANTITIES IMPORT FILL COST PER CY: $10.00 ESTIMATED ROADWAY EARTHWORK COST: $1,729, POND R/W AREA : 3.06 ac POND WATER AREA : 1.79 ac TOTAL PROJECT EARTHWORK COST: $1,892, TOTAL POND SOD AREA : 1.27 ac COST PER SY : $2.13 Note: (1) Import fill cost includes cost of fill, haul, and placement. (2) Preliminary geotech TOTAL COST : $13, auger borings indicates entire portion of Pond 3A excavation material is suitable for fill under roadway. For Pond 4A, the excavation material is suitable for fill under roadway up to 5 feet beneath existing ground. POND STORMDRAIN QUANTITIES QUANTITY UNIT COST COST POND CONTROL STRUCTURES 1 $5, $5, UNIT COST - DBI TYPE E: TOTAL: $5, PIPE QUANTITIES (includes both inflow and outfall pipes) Length Inflow Outfall Total 600 ft 100 ft 700 ft UNIT COST - PIPE (48") (RCP): $ TOTAL COST: $98, TOTAL POND 3A & 4A CONSTRUCTION COST: $2,171,690.45

28 S:\Drainage\In-House Design Projects\ (SR 82 - Gator Slough to SR 29)\Reports\Regional Pond Memorandum\Appendix B - Cost Analysis\Construction Cost Estimate_Pond 3A&4A Made by: SF DATE: April 16, 2015 Checked by: BS FPID Number: PROJECT : SR 82 from Gator Slough to SR 29 BASIN NAME : 4 POND NAME : 4A POND CONSTRUCTION COSTS Elevation, ft Area, acres Pond Bottom Suitable Soil Depth Slope Break Existing Ground Front of Berm Back of Berm Existing Ground Pond Dimensions and Stages AVG Area (acres) Fill Excavation Height, ft Volume, cy Height, ft Volume, cy Total CLEARING AND GRUBBING EARTHWORK POND R/W AREA : 2.80 ac COST PER ACRE : $7, *SUITABLE SOILS EXCAVATION: 10,803 cy TOTAL COST : $22, Note: Per Pond Soil Borings, suitable soils for Pond 4A are found to be at a depth of 5 feet below the existing ground. POND SOD QUANTITIES POND R/W AREA : 2.80 ac POND WATER AREA : 1.51 ac TOTAL POND SOD AREA : 1.29 ac COST PER SY : $2.13 TOTAL COST : $13, POND STORMDRAIN QUANTITIES QUANTITY UNIT COST COST POND CONTROL STRUCTURES 1 $5, $5, UNIT COST - DBI TYPE E: TOTAL: $5, PIPE QUANTITIES (includes both inflow and outfall pipes) Length Inflow Outfall Total 600 ft 100 ft 700 ft UNIT COST - PIPE (48") (RCP): $ TOTAL COST: $98,259.00

29 S:\Drainage\In-House Design Projects\ (SR 82 - Gator Slough to SR 29)\Reports\Regional Pond Memorandum\Appendix B - Cost Analysis\Construction Cost Estimate_Pond5A-5E Made by: SF DATE: April 16, 2015 Checked by: BS FPID Number: PROJECT : SR 82 from Gator Slough to SR 29 BASIN NAME : 3 POND NAME : Pond 5A (Regional Pond) POND CONSTRUCTION COSTS EARTHWORK POND 5A EXCAVATION VOLUME: 170,342 cy EXCAVATION COST PER CY: $3.00 ESTIMATED POND EARTHWORK COST: $511, REQUIRED ROADWAY FILL ( ): 219,508 cy POND 5A SUITABLE SOILS EXCAVATION: 170,342 cy TOTAL ROADWAY PROJECT FILL: 49,166 cy IMPORT FILL COST PER CY: $10.00 ESTIMATED ROADWAY EARTHWORK COST: $491, TOTAL PROJECT EARTHWORK COST: $1,002, Note: (1) Import fill cost includes cost of fill, haul, and placement. (2) Preliminary geotech auger borings indicates entire portion of Pond 5A excavation material is suitable for fill under roadway CLEARING AND GRUBBING POND R/W AREA : 9.85 ac COST PER ACRE : $7, TOTAL COST : $77, Note: For Clearing & Grubbing and Sod Quantities, only showing pond area for FPID No project needs. POND SOD QUANTITIES POND FENCE QUANTITIES POND R/W AREA : 9.85 ac No fencing for regional pond due to large area POND WATER AREA : 7.82 ac TOTAL POND SOD AREA : 2.03 ac COST PER SY : $2.13 TOTAL COST : $20, POND STORMDRAIN QUANTITIES QUANTITY UNIT COST COST POND CONTROL STRUCTURES 1 $5, $5, UNIT COST - DBI TYPE E: TOTAL: $5, PIPE QUANTITIES (includes both inflow and outfall pipes) Length Inflow Outfall Total 1000 ft 600 ft 1600 ft UNIT COST - PIPE (48") (RCP): $ TOTAL COST: $224, TOTAL POND CONSTRUCTION COST: $1,330,918.70

30 S:\Drainage\In-House Design Projects\ (SR 82 - Gator Slough to SR 29)\Reports\Regional Pond Memorandum\Appendix B - Cost Analysis\Construction Cost Estimate_Pond5A-5E Made by: SF DATE: April 16, 2015 Checked by: BS FPID Number: PROJECT : SR 82 from Gator Slough to SR 29 BASIN NAME : 3 POND NAME : Pond 5B (Regional Pond) POND CONSTRUCTION COSTS EARTHWORK POND 5B EXCAVATION VOLUME: 219,614 cy EXCAVATION COST PER CY: $3.00 ESTIMATED POND EARTHWORK COST: $658, REQUIRED ROADWAY FILL ( ): 219,508 cy POND 5B SUITABLE SOILS EXCAVATION: 219,614 cy TOTAL ROADWAY PROJECT FILL: 0,000 cy IMPORT FILL COST PER CY: $10.00 ESTIMATED ROADWAY EARTHWORK COST: $0.00 TOTAL PROJECT EARTHWORK COST: $658, Note: (1) Import fill cost includes cost of fill, haul, and placement. (2) Preliminary geotech auger borings indicates entire portion of Pond 5B excavation material is suitable for fill under roadway CLEARING AND GRUBBING POND R/W AREA : ac COST PER ACRE : $7, TOTAL COST : $102, Note: For Clearing & Grubbing and Sod Quantities, only showing pond area for FPID No project needs. POND SOD QUANTITIES POND FENCE QUANTITIES POND R/W AREA : ac No fencing for regional pond due to large area POND WATER AREA : 9.70 ac TOTAL POND SOD AREA : 3.32 ac COST PER SY : $2.13 TOTAL COST : $34, POND STORMDRAIN QUANTITIES QUANTITY UNIT COST COST POND CONTROL STRUCTURES 1 $5, $5, UNIT COST - DBI TYPE E: TOTAL: $5, PIPE QUANTITIES (includes both inflow and outfall pipes) Length Inflow Outfall Total 1000 ft 600 ft 1600 ft UNIT COST - PIPE (48") (RCP): $ TOTAL COST: $224, TOTAL POND CONSTRUCTION COST: $1,025,369.75

31 S:\Drainage\In-House Design Projects\ (SR 82 - Gator Slough to SR 29)\Reports\Regional Pond Memorandum\Appendix B - Cost Analysis\Construction Cost Estimate_Pond5A-5E Made by: SF DATE: April 16, 2015 Checked by: BS FPID Number: PROJECT : SR 82 from Gator Slough to SR 29 BASIN NAME : 3 POND NAME : Pond 5C (Regional Pond) POND CONSTRUCTION COSTS EARTHWORK POND 5C EXCAVATION VOLUME: 614,779 cy EXCAVATION COST PER CY: $3.00 ESTIMATED POND EARTHWORK COST: $1,844, REQUIRED ROADWAY FILL ( & ): 614,758 cy POND 5C SUITABLE SOILS EXCAVATION: 614,779 cy TOTAL ROADWAY PROJECT FILL: 0,000 cy IMPORT FILL COST PER CY: $10.00 ESTIMATED ROADWAY EARTHWORK COST: $0.00 TOTAL PROJECT EARTHWORK COST: $1,844, Note: (1) Import fill cost includes cost of fill, haul, and placement. (2) Preliminary geotech auger borings indicates entire portion of Pond 5C excavation material is suitable for fill under roadway CLEARING AND GRUBBING POND R/W AREA : ac COST PER ACRE : $7, TOTAL COST : $255, Note: For Clearing & Grubbing and Sod Quantities, only showing pond area for FPID No project needs. POND SOD QUANTITIES POND FENCE QUANTITIES POND R/W AREA : ac No fencing for regional pond due to large area POND WATER AREA : ac TOTAL POND SOD AREA : 5.99 ac COST PER SY : $2.13 TOTAL COST : $61, POND STORMDRAIN QUANTITIES QUANTITY UNIT COST COST POND CONTROL STRUCTURES 1 $5, $5, UNIT COST - DBI TYPE E: TOTAL: $5, PIPE QUANTITIES (includes both inflow and outfall pipes) Length Inflow Outfall Total 1000 ft 600 ft 1600 ft UNIT COST - PIPE (48") (RCP): $ TOTAL COST: $224, TOTAL POND CONSTRUCTION COST: $2,391,600.33

32 S:\Drainage\In-House Design Projects\ (SR 82 - Gator Slough to SR 29)\Reports\Regional Pond Memorandum\Appendix B - Cost Analysis\Construction Cost Estimate_Pond5A-5E Made by: SF DATE: April 16, 2015 Checked by: BS FPID Number: PROJECT : SR 82 from Gator Slough to SR 29 BASIN NAME : 3 POND NAME : Pond 5D (Regional Pond) POND CONSTRUCTION COSTS EARTHWORK POND 5D EXCAVATION VOLUME: 704,906 cy EXCAVATION COST PER CY: $3.00 ESTIMATED POND EARTHWORK COST: $2,114, REQUIRED ROADWAY FILL ( , , ): 704,758 cy POND 5D SUITABLE SOILS EXCAVATION: 704,906 cy TOTAL ROADWAY PROJECT FILL: 0,000 cy IMPORT FILL COST PER CY: $10.00 ESTIMATED ROADWAY EARTHWORK COST: $0.00 TOTAL PROJECT EARTHWORK COST: $2,114, Note: (1) Import fill cost includes cost of fill, haul, and placement. (2) Preliminary geotech auger borings indicates entire portion of Pond 5D excavation material is suitable for fill under roadway CLEARING AND GRUBBING POND R/W AREA : ac COST PER ACRE : $7, TOTAL COST : $290, Note: For Clearing & Grubbing and Sod Quantities, only showing pond area for FPID No project needs. POND SOD QUANTITIES POND FENCE QUANTITIES POND R/W AREA : ac No fencing for regional pond due to large area POND WATER AREA : ac TOTAL POND SOD AREA : 6.60 ac COST PER SY : $2.13 TOTAL COST : $68, POND STORMDRAIN QUANTITIES QUANTITY UNIT COST COST POND CONTROL STRUCTURES 1 $5, $5, UNIT COST - DBI TYPE E: TOTAL: $5, PIPE QUANTITIES (includes both inflow and outfall pipes) Length Inflow Outfall Total 1000 ft 600 ft 1600 ft UNIT COST - PIPE (48") (RCP): $ TOTAL COST: $224, TOTAL POND CONSTRUCTION COST: $2,702,964.96

33 S:\Drainage\In-House Design Projects\ (SR 82 - Gator Slough to SR 29)\Reports\Regional Pond Memorandum\Appendix B - Cost Analysis\Construction Cost Estimate_Pond5A-5E Made by: SF DATE: April 16, 2015 Checked by: BS FPID Number: PROJECT : SR 82 from Gator Slough to SR 29 BASIN NAME : 3 POND NAME : Pond 5E (Regional Pond) POND CONSTRUCTION COSTS EARTHWORK POND 5E EXCAVATION VOLUME: 309,692 cy EXCAVATION COST PER CY: $3.00 ESTIMATED POND EARTHWORK COST: $929, REQUIRED ROADWAY FILL ( & ): 309,508 cy POND 5E SUITABLE SOILS EXCAVATION: 309,692 cy TOTAL ROADWAY PROJECT FILL: 0,000 cy IMPORT FILL COST PER CY: $10.00 ESTIMATED ROADWAY EARTHWORK COST: $0.00 TOTAL PROJECT EARTHWORK COST: $929, Note: (1) Import fill cost includes cost of fill, haul, and placement. (2) Preliminary geotech auger borings indicates entire portion of Pond 5E excavation material is suitable for fill under roadway CLEARING AND GRUBBING POND R/W AREA : ac COST PER ACRE : $7, TOTAL COST : $136, Note: For Clearing & Grubbing and Sod Quantities, only showing pond area for FPID No project needs. POND SOD QUANTITIES POND FENCE QUANTITIES POND R/W AREA : ac No fencing for regional pond due to large area POND WATER AREA : ac TOTAL POND SOD AREA : 3.77 ac COST PER SY : $2.13 TOTAL COST : $38, POND STORMDRAIN QUANTITIES QUANTITY UNIT COST COST POND CONTROL STRUCTURES 1 $5, $5, UNIT COST - DBI TYPE E: TOTAL: $5, PIPE QUANTITIES (includes both inflow and outfall pipes) Length Inflow Outfall Total 1000 ft 600 ft 1600 ft UNIT COST - PIPE (48") (RCP): $ TOTAL COST: $224, TOTAL POND CONSTRUCTION COST: $1,334,070.53

34 S:\Drainage\In-House Design Projects\ (SR 82 - Gator Slough to SR 29)\Reports\Regional Pond Memorandum\Appendix B - Cost Analysis\Pond 5A-5E Cost (Environmental) Made by: SF DATE: April 16, 2015 Checked by: BS FPID Number: REGIONAL POND ENVIRONMENTAL COSTS ENVIRONMENTAL WETLAND IMPACTS Per Environment Memorandum for the SR 82 PSR ( ) dated 12/17/2014, wetland impact costs were determined conservatively based on a UMAM delta of 0.6 (medium quality wetland) and a cost of $95,000 per herbaceous credit at Corkscrew Regional Mitigation Bank. PANTHER IMPACTS Regional Pond Wetland Impacts % Coverage Wetland Alternative (acres) of Site Mitigation 5A % $38, B % $50, C % $123, D % $129, E % $63, Per Environment Memorandum for the SR 82 PSR ( ) dated 12/17/2014, Panther Impact costs assuming $850/PHU (based on range of $750 to $850 per PHU credit at the Florida Panther Conservation Bank). Regional Pond Total Pond Area, Cost per PHU Total Panther *PHU Alternative acres Credit Cost 5A $850 $91, B $850 $121, C $850 $302, D $850 $345, E $850 $161, *Note: See PHU spreadsheet

35 Panther Habitat Unit Calculations Project: SR 82 from Gator Slough to SR 290 from CR 833 to US 27 FPID: Pond: 5A FLUCFCS Code Primary Zone 210 agriculture- citrus groves and row crops Pond: 5B FLUCFCS Code Primary Zone 210 agriculture- citrus groves and row crops Pond: 5C FLUCFCS Code Primary Zone 210 agriculture- citrus groves and row crops Pond: 5D FLUCFCS Code Primary Zone 210 agriculture- citrus groves and row crops Pond: 5E FLUCFCS Code Description Acres Habitat Value Description Acres Habitat Value Description Acres Habitat Value Description Acres Habitat Value Description Acres Habitat Value PHU Primary Zone 210 agriculture- citrus groves and row crops Total PHUs x 2.5 = x 1.00 = PHU Total PHUs x 2.5 = x 1.00 = PHU Total PHUs x 2.5 = x 1.00 = PHU Base Ratio Multiplier Total PHUs x 2.5 = x 1.00 = PHU Base Ratio Multiplier Base Ratio Multiplier Base Ratio Multiplier Base Ratio Multiplier Total PHUs x 2.5 = x 1.00 = Landscape Multiplier Landscape Multiplier Landscape Multiplier Landscape Multiplier Landscape Multiplier

36 APPENDIX C CORRESPONDENCE

37 FDOT/SFWMD Monthly Coordination Meeting SFWMD Fort Myers September 23, :00pm 3pm Meeting Minutes Attendees: Brent Setchell, FDOT Laura Layman, SFWMD Jessica White, SFWMD Nicole Monies, FDOT Sergio Figueroa, FDOT Melissa Roberts, SFWMD Beckie Reide, SFWMD Ali Tayebnejad, KCCS Dawn Ratican, AIM Lisa Kreiger, FDOT Dennis Day, FDOT SR 80 from Shoreland Dr to Buckingham Rd- Shared Use Path Minutes to be done by others and submitted separately & SR 78 sidewalk improvements : Sidewalk : Milling and resurfacing, and Culvert extension for sidewalk a) There is no previous permit over this segment of road (Checked by Jessica & Melissa of SFWMD). b) These projects will require a General Permit (.447) for the cross drain extension and the swale re-grading due to the sidewalk. 3. US 41 North of Bonita Beach Rd to US 41 (App # ) construction compliance. Minutes to be done by others and submitted separately US 41 over Caloosahatchee River General Permit pre-app Previous emergency work was done as a Push Button. a) Work includes pile jackets, fender repairs and bulkhead and abutment repairs. b) Determined that a General permit:.447(f) would be required Collier County Scour countermeasures Pre app a) One Individual permit with all the 9 bridges included since located within OFW. No water quality or quantity needed since not adding any impervious area. b) FDOT will request mixing zones for each of the bridges located within an OFW. FDOT will submit a turbidity monitoring plan using its template. c) Brent asked if we could use this project as one the pilot projects for not submitting erosion control plans in the permit application. A special condition will be added to the permit requiring the contractor to provide site specific erosion plans to SFWMD for review and approval prior to construction. SFWMD agreed.

38 SR 82 from Gator Slough to SR 29- regional treatment Sergio and Brent gave a brief overview of the project. a) Sergio discussed the regional pond alternative that is located on the southeast side of the intersection of SR 82 and Lamm Rd. b) There are three WBID basins within this project. i. Townsend Canal Impaired ii. Corkscrew Swamp - Impaired iii. Cow Slough c) The proposed regional pond would only outfall to one of the WBID outfalls - Cow Slough. i. Currently proposed pond location is within the upland areas of the basin and the land use for the proposed pond is Agricultural (row crops). ii. The fill from the pond would be utilized for SR 82 & SR 29 projects. d) SFWMD stated that the regional pond can be used for this project provided that the other outfalls would not be adversely impacted - no new degradation. 7. Other: a) SFWMD requested that FDOT s consultants provide a table with the drainage structure elevations/details on one sheet within the construction plans to make it easier to compare in the field.

39 CONCEPTUAL ESTIMATE, ALTERNATES / SEGMENTS SUMMARY The costs below are not based on an appraisal! ITEM SEG: Collier SR 82 - Stormwater Options COUNTY: DESCRIPTION: COST ESTIMATE NUMBER: Regional Pond Alternatives FOR: BY: DATE: Alternate / Segment: Collier Description: Size Acres: Phase: 4B Phase: 41 Phase: 42 Phase: 43 Phase: 45 Total: \ Pond 5A 9.85 $36,000 $12,000 $0 $293,000 $0 $341,000 Pond 5A Easement 0.02 SR 82 from Gator Slough to SR 29 Revised 4/15 S. Figueroa, P.E., FDOT Drainage Design Engineer J. Harper, FDOT Senior Cost Estimator April 16, 2015 Regional Pond - Eliminate individual basins Pond 5B $36,000 $12,000 $0 $337,000 $0 $385,000 Pond 5B Easement 0.02 Pond 5C $52,000 $12,000 $0 $606,000 $0 $670,000 Pond 5C Easement 0.02 Pond 5D $52,000 $12,000 $0 $854,000 $0 $918,000 Pond 5D Easement 0.02 (well & barn) Pond 5E $36,000 $12,000 $0 $397,000 $0 $445,000 Pond 5E Easement 0.02 Total All Sheets: ,000 60, ,487, ,759,000 S:\ROW\EST\a-Estimates\Collier_03\ Pond Alts April 2015\[ April 2015 Alts Pond 5E - B.xlsm]DataEntry1 > All five of these alternatives are on the same 200-acre parent tract, currently offered for sale at $0.20 per square foot. > There is a well & pump at Station 1584, next to the property line. > Pond 5A is unchanged from the April 9 estimate. Florida Department of Transportation EXEMPT FROM PUBLIC DISCLOSURE