Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: -  Unit: -  Work Item: Site demolition, clearing, and grubbing. (Includes removal of weeds by mowing and grubbing to at least 1/4 inch below soil surface, and removal of existing objects, concrete pavement. Excavations to be backfilled and compacted.)
• Quantity: -  Unit: -  Work Item: Site layout and staking.
• Quantity: -  Unit: -  Work Item: Temporary construction fencing.
• Quantity: -  Unit: -  Work Item: Rough and finish grading. (Subgrade to 95% relative compaction for pavement, 85% for landscape. Chemical treatment of subgrade (4% lime at 125 pcf) for bidding purposes, if required.)
• Quantity: -  Unit: -  Work Item: Concrete flatwork, retaining curb, and retaining wall. (Cement: Portland cement, ASTM C150, Type II. Aggregate: 1" max size. Strength for slabs/curbing: 3,000 PSI min. at 28-day. Strength for retaining curb/wall: 3,500 PSI min. at 28-day. Wire Mesh: 6"x6" #10 W.W.F. in 5'x10' flat sheets. Reinforcement bars: ASTM A615 or ASTM A706, Grade 60. Dowels for expansion/construction joints. Expansion joints: 3/8" fiber material with backer rod and sealant, pre-formed plastic expansion joint cap. Finish: Medium broom or heavy broom for ramps. Tooled edge at exterior paving adjacent to planting area.)
• Quantity: -  Unit: -  Work Item: Accessible handrail with barrier rail. (Metal fabrications: ASTM A 36 steel plates, shapes, and bars. Fasteners: zinc-coated. Shop primer for ferrous metal. Galvanizing: hot-dip process to ASTM A 153/A 123. Welding to AWS D1.1, D1.2, D1.3 standards. Exterior painting of metal includes Anti-Corrosion Primer (e.g., CORROBAR, BLOC-RUST) and 100% Acrylic Finish (EVERSHIELD, ACRI-FLAT)).
• Quantity: -  Unit: -  Work Item: Coordination of delivery, receiving, unloading, and installation of District-procured picnic tables (Outdoor Creations Inc. Model #100FSSK Precast Concrete Picnic Table) and landscape boulders (Moss Rocks). (Installation per manufacturer's specifications and details.)
• Quantity: -  Unit: -  Work Item: New trash receptacle installation and re-use of existing receptacle. (Trash receptacle with post and chain.)
• Quantity: -  Unit: -  Work Item: Existing and new irrigation system improvements and modifications. (PVC Schedule 40 pipe for sleeving, PVC Class 160 rubber-ring gasketed pipe for mainline, PVC Schedule 40 for lateral lines. Lead-free gate valves (bronze 3" and smaller, Class 125 iron body 3" and greater). Backflow prevention devices & enclosures. Depth of cover: 18" min. for non-constant pressure laterals, 24" min. for constant pressure main lines and lines under paving, 4"-6" max for drip emitter tubing. Tracer wire: #12 AWG Solid copper. Control wiring: Direct burial copper wire AWG-U.F. 600-volt, min. #14 wire size.)
• Quantity: -  Unit: -  Work Item: Utility sleeve installation.
• Quantity: -  Unit: -  Work Item: Tree and root barrier installation. (Includes providing specific tree root barrier materials.)
• Quantity: -  Unit: -  Work Item: Repair turf disturbed by improvement and construction activities with turf seed. (Turf seed: weed-free, fresh, re-cleaned, Grade A, min. 80% germination. Apply per manufacturer's recommendations.)
• Quantity: -  Unit: -  Work Item: Bark mulch installation. (Walk-on fir bark mulch, minimum 3-1/2" layer. Physical properties: 90-100% passing 1" dia, 80-100% passing 1/2" dia, 20-60% passing 1/4" dia.)
• Quantity: -  Unit: -  Work Item: Coordination with District staff regarding demolition, relocation, and installation of new irrigation system equipment and piping as outlined in Plans.
• Quantity: -  Unit: -  Work Item: Contract with special testing and inspection agency for geotechnical inspections and County-required special inspections.
• Quantity: -  Unit: -  Work Item: Exterior Painting (various surfaces). (Masonry: 1BLOCFIL Prepared Block Filler, Latex Acrylic, (EVERSHIELD, ACRI-FLAT) 100% Acrylic Finish. Metal (Ferrous): 1 CORROBAR White Anti-Corrosion Primer or Acrylic 2 BLOC-RUST Red Oxide Primer, and 100% Acrylic Finish (EVERSHIELD, ACRI-FLAT). Wood (Trellis, Posts): CABOT Stains, Semi-Transparent, Oil Based.)

NAICS Classification

NAICS 238910 – Site Preparation Contractors (For site demolition, clearing, grubbing, earthwork, and grading.), NAICS 238110 – Poured Concrete Foundation and Structure Contractors (For concrete flatwork, retaining curbs, and retaining walls.), NAICS 237310 – Highway, Street, and Bridge Construction (For general concrete paving, sidewalks, and curb work in public spaces.), NAICS 238190 – Other Foundation, Structure, and Building Exterior Contractors (For installation of accessible metal handrails and other miscellaneous metal fabrications.), NAICS 238990 – All Other Specialty Trade Contractors (For installation of site furnishings like picnic tables, landscape boulders, and trash receptacles.), NAICS 237110 – Water and Sewer Line and Related Structures Construction (For domestic water system and irrigation system improvements, including piping and utility sleeves.), NAICS 238220 – Plumbing, Heating, and Air-Conditioning Contractors (Installation of irrigation system components and domestic water systems.), NAICS 561730 – Landscaping Services (For landscape installation, tree and root barrier installation, turf repair, bark mulch, and landscape maintenance.), NAICS 238320 – Painting and Wall Covering Contractors (For exterior painting of various surfaces.)

Records and Due Date

This bid opportunity was entered into BidAmerica on February 10, 2026, and was last updated on February 10, 2026. All bids and/or proposals are due on February 26, 2026.

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All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Southgate Recreation and Park District. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Southgate Recreation and Park District prior to bidding.