Kellogg_Park_Nature_Center_-_EOPCC_1.6.2025.xlsx
XLSX spreadsheet 614 KB Posted
- Attached to
- Kellogg Park Nature Center State and local contract opportunity
- Solicitation number
- 25-07
- Issued by
- Bay County, Florida
About this file
This is an Engineers Opinion of Probable Construction Cost (EOPCC) document for the Kellogg Park Nature Center project in Walton County, Florida, dated January 2025. The project encompasses comprehensive site development including erosion control, paving, earthwork, water and sewer infrastructure, site improvements, landscape and irrigation work, and building construction. The EOPCC provides itemized cost estimates across multiple work categories with specific quantities and unit prices, including 1,000 linear feet of silt fence, 190 tons of SP-12.5 asphalt paving, 2,400 square yards of subgrade work, 1,300 cubic yards of excavation and embankment, water service installation, sewer infrastructure including grinder pump and force main, site mobilization and lighting, and extensive landscape work featuring native plantings such as Shumard oak, saw palmetto, and bahiagrass totaling over 10,000 square feet.
The total estimated construction cost is $1,155,952.00 for all bid items, with an owner's contingency of 10% ($115,595.20) bringing the grand total to $1,271,547.20. The cost estimates are based on unit prices and quantities as outlined in each category, with notable expenses including site lighting at $82,500, building construction at $592,125, mobilization at $43,000, and paving work totaling $178,310. The consultant notes that these opinions of probable costs are based on information known at the time of preparation and represent professional judgment; actual bids and construction costs may vary due to factors beyond the consultant's control, including labor costs, material prices, equipment availability, contractor pricing methods, and market conditions.
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Text version
Preliminary Bid Items
| Engineers Opinion of Probable Construction Cost |
| Kellogg Park Nature Center |
| Walton County, FL |
| January 2025 |
| DESCRIPTION | UNIT | QTY | UNIT PRICE | TOTAL | |
| EROSION CONTROL | |||||
| Erosion Control - Silt Fence | LF | 1,000 | $ 5.00 | $ 5,000.00 | |
| Erosion Control - Inlet Protection | EA | 2 | $ 300.00 | $ 600.00 | |
| Eroision Control Construction Entrance | LS | 1 | $ 10,000.00 | $ 10,000.00 | |
| Clearing and Grubbing/Demolition | AC | 0.80 | $ 75,000.00 | $ 60,000.00 | |
| Subtotal | $ 75,600.00 | ||||
| PAVING | |||||
| SP-12.5 (1.5") | TN | 190 | $ 185.00 | $ 35,150.00 | |
| SP-9.5 (1") | TN | 130 | $ 185.00 | $ 24,050.00 | |
| 6" Limerock Base | SY | 2,300 | $ 35.00 | $ 80,500.00 | |
| 12" Subgrade | SY | 2,400 | $ 13.00 | $ 31,200.00 | |
| Concrete Sidewalk (4" Thick) | SY | 95 | $ 78.00 | $ 7,410.00 | |
| Subtotal | $ 178,310.00 | ||||
| EARTHWORK | |||||
| Excavation and Embankment | CY | 1,300 | $ 30.00 | $ 39,000.00 | |
| Subtotal | $ 39,000.00 | ||||
| WATER | |||||
| 1" HDPE Water Service | LF | 60 | $ 65.00 | $ 3,900.00 | |
| Subtotal | $ 3,900.00 | ||||
| SEWER | |||||
| 2" Tapping Sleeve and Valve | EA | 1 | $ 7,500.00 | $ 7,500.00 | |
| 4" PVC Sewer | LF | 45 | $ 78.00 | $ 3,510.00 | |
| Grinder Pump | LS | 1 | $ 10,000.00 | $ 10,000.00 | |
| 2" PVC Force Main | LF | 130 | $ 105.00 | $ 13,650.00 | |
| 4" Cleanout | EA | 1 | $ 1,000.00 | $ 1,000.00 | |
| Subtotal | $ 35,660.00 | ||||
| SITE MISC. | |||||
| Mobilization | LS | 1 | $ 43,000.00 | $ 43,000.00 | |
| Signage | EA | 4 | $ 500.00 | $ 2,000.00 | |
| Striping | LS | 1 | $ 4,000.00 | $ 4,000.00 | |
| Dewatering | LS | 1 | $ 10,000.00 | $ 10,000.00 | |
| As-Built Survey | LS | 1 | $ 10,000.00 | $ 10,000.00 | |
| 3' Wooden Fence | LF | 85 | $ 75.00 | $ 6,375.00 | |
| Site Lighting | LS | 1 | $ 82,500.00 | $ 82,500.00 | |
| Subtotal | $ 157,875.00 | ||||
| LANDSCAPE/IRRIGATION | |||||
| Irrigation | SF | 2,600 | $ 2.00 | $ 5,200.00 | |
| Irrigation Well | LS | 1 | $ 5,000.00 | $ 5,000.00 | |
| Tree Protection | LS | 1 | $ 2,500.00 | $ 2,500.00 | |
| Shumard Oak | EA | 5 | $ 1,200.00 | $ 6,000.00 | |
| Saw Palmetto | EA | 59 | $ 70.00 | $ 4,130.00 | |
| Dwarf Walter's Viburnum | EA | 75 | $ 50.00 | $ 3,750.00 | |
| Florida Coonite | EA | 135 | $ 60.00 | $ 8,100.00 | |
| Sad Cordgrass | EA | 67 | $ 25.00 | $ 1,675.00 | |
| African Lily | SF | 493 | $ 20.00 | $ 9,860.00 | |
| Dune Sunflower | SF | 116 | $ 20.00 | $ 2,320.00 | |
| Bahiagrass | SF | 10,772 | $ 1.00 | $ 10,772.00 | |
| Top Soil | CY | 405 | $ 35.00 | $ 14,175.00 | |
| Subtotal | $ 73,482.00 | ||||
| Building Construction | LS | 1 | $592,125.00 | $592,125.00 | |
| Subtotal | $592,125.00 | ||||
| Combined Subtotals | $ 1,155,952.00 | ||||
| Owner's Contingecy - 10% | $ 115,595.20 | ||||
| Grand Total | $ 1,271,547.20 | ||||
| NOTE |
The Consultant has no control over the cost of labor, materials, equipment, or over the Contractor's methods of determining prices or over competitive bidding or market conditions. Opinions of probable costs provided herein are based on the information known to Consultant at this time and represent only the Consultant's judgment as a design professional familiar with the construction industry. The Consultant cannot and does not guarantee that proposals, bids, or actual construction costs will not vary from its opinions of probable costs.
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