2025-08-29_North_Grove_Final_OPCC.pdf
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- Attached to
- North Grove Park
- Solicitation number
- ITB - 2025-08-22
- Issued by
- Ellis County, Texas
About this file
This document is an Opinion of Probable Construction Costs for the North Grove Park project located in Waxahachie, Texas, dated 8/29/2025. The comprehensive cost estimate details a base bid and alternate bid for park construction, including site preparation, hardscaping, landscaping, amenities, and recreational features. The base bid encompasses a wide range of items such as mobilization, temporary fencing, site grading, concrete work, landscaping, irrigation, pavilions, playground equipment, lighting, and drainage components. The project includes 20 parking spaces, multiple seating areas, shade structures, a restroom enclosure, playground with equipment and shade sails, and various landscaping elements like trees, shrubs, and grass.
The total estimated construction costs for the base bid are $2,485,200.00, which includes a contingency of approximately 9% ($214,500). Alternate bid items provide options for additional features such as cantilever shade sail structures, decomposed granite trails, a trellis with gliders, and a prefabricated CXT restroom. The cost estimate comes with a disclaimer from the Landscape Architect that the costs are based on professional judgment and market conditions at the time of preparation, and actual bids may vary. The document provides a detailed breakdown of quantities and unit costs for each construction element, offering a comprehensive view of the anticipated project expenses.
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Text version
North Grove Park Waxahachie, Texas
Opinion of Probable Construction Costs - Final Construction Documents 8/29/2025
Base Bid Item Unit Quantity Cost Item Cost Mobilization/General Conditions LS 1 $110,000.00 $110,000.00 Temporary Construction Fence/Tree Protection Fence LS 1 $20,000.00 $20,000.00 Temporary Silt Fence and Erosion Control Logs (Install / Remove) LS 1 $25,000.00 $25,000.00 Demolition LS 1 $15,000.00 $15,000.00 Site Grading LS 1 $80,000.00 $80,000.00 Stabilized Decomposed Granite SF 5,600 $6.00 $33,600.00 4" Concrete Sidewalk SF 19,500 $9.00 $175,500.00 4" Concrete Sidewalk - Integral Colored Concrete SF 5,800 $11.00 $63,800.00 12" Concrete Mowstrip SF 650 $7.00 $4,550.00 18" Concrete Mowstrip SF 1,780 $7.00 $12,460.00 Concrete - Vehicular (7" Depth with Curb/Median-20 spaces) SF 13,400 $12.00 $160,800.00 7" Vehicular Concrete - Integral Colored Stamped Concrete (Crosswalk) SF 430 $15.00 $6,450.00 Parking Lot Signage (ADA) EA 2 $800.00 $1,600.00 Thermoplastic Striping / Firelane Striping LS 1 $20,000.00 $20,000.00 Concrete Wheel Stops EA 20 $500.00 $10,000.00 Benches EA 4 $2,500.00 $10,000.00 Trash Receptacles EA 2 $2,000.00 $4,000.00 Picnic Tables EA 2 $4,000.00 $8,000.00 Restroom Structure Enclosure (10'x18') LS 1 $70,000.00 $70,000.00 Pipe Rail Fence LF 980 $100.00 $98,000.00 5 Gallon Shrubs EA 141 $100.00 $14,100.00 3 Gallon Ornamental Grasses EA 43 $40.00 $1,720.00 Hardwood Mulch (3" Depth) CY 85 $65.00 $5,525.00 Canopy Trees EA 23 $950.00 $21,850.00 Screening Trees EA 54 $650.00 $35,100.00 Bermuda Grass Sod SF 42,200 $2.50 $105,500.00 Bermuda Grass Seed SF 136,000 $0.30 $40,800.00 Topsoil (4") CY 2,300 $40.00 $92,000.00 Permanent Irrigation LS 1 $70,000.00 $70,000.00 Temporary Irrigation LS 1 $35,000.00 $35,000.00 Shade Structure over Benches (8' x 9') EA 2 $18,500.00 $37,000.00 Pavilions (12'x12') EA 3 $40,000.00 $120,000.00 Round Pavilion (24' diameter) EA 1 $70,000.00 $70,000.00 Drinking Fountain & Water Service Tap EA 1 $15,000.00 $15,000.00 Bistro String Lighting LF 275 $80.00 $22,000.00 String Light Poles (Black Powder Coated) EA 12 $2,500.00 $30,000.00 Adirondack Chair EA 6 $1,500.00 $9,000.00 Rubberized Surfacing w/ Aggregate Subbase SF 3,300 $30.00 $99,000.00 Rubberized Surface Play Mounds w/ Concrete Subbase SF 710 $40.00 $28,400.00 Artificial Turf and Subbase SF 1,200 $25.00 $30,000.00 Playground Equipment and Shade Sails over Playground LS 1 $250,000.00 $250,000.00 Veneer Stone Seat Wall FF 66 $150.00 $9,900.00 Lighting & Electrical - Pavilion Outlets, Food Truck Hook-Ups, Misc. Items LS 1 $90,000.00 $90,000.00 Storm, Sewer and Site Drainage Components LS 1 $110,000.00 $110,000.00
Base Bid Subtotal $2,270,700.00 Contingency (± 9%) $214,500.00
TOTAL ESTIMATED CONSTRUTION COSTS $2,485,200.00
Alternate Bid Item Unit Quantity Cost Item Cost Cantilever Shade Sail Structure (16'x16') EA 2 $30,000.00 $60,000.00 Decomposed Granite Trails (West Trails) SF 7,600 $6.00 $45,600.00 9x16 Trellis w/Two 4' Gliders LS 1 $80,000.00 $80,000.00 CXT Prefabricated Restroom - Cortez 10'3"x 19'8" LS 1 $200,000.00 $200,000.00 Restroom Pad Preparation, Water, Sewer, Utility Extensions/Connections LS 1 $30,000.00 $30,000.00
The Landscape Architect 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 Landscape Architect at this time and represent only the Landscape Architect's judgment as a design professional familiar with the construction industry. The Landscape Architect cannot and does not guarantee that proposals, bids. or actual costs will not vary from its opinions of probable costs.
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