Low for full resurfacing; professional contractors are recommended for proper base preparation, leveling, and application of specialized acrylic surfaces to ensure durability and playability.
Resurfacing primarily involves surface preparation and application. Code complexity arises from potential electrical modifications (lighting), site drainage impact, and ensuring base stability against DuPage County's significant frost depth (42 inches) for any associated new footings (e.g., light poles, fence posts). It is generally non-structural, but critical civil engineering principles apply for longevity.
Project Guidelines & Rules
Permitting, Planning, and Site Logistics
3 Rules
Permit Requirements
Consult your local building department for specific permit requirements prior to commencing any work, especially if involving electrical modifications, significant regrading, or accessory structures (e.g., new light poles, benches with footings). While resurfacing alone may not always require a permit, associated work often does.
Site Plan & Existing Conditions
A detailed site plan may be required, indicating existing drainage patterns, proposed grading changes, and locations of any new or modified electrical components. Proper identification of underground utilities is paramount (e.g., J.U.L.I.E. 811).
Construction Safety & Site Management
All work shall comply with OSHA safety standards. Site access, material storage, and waste disposal must be managed to prevent hazards and minimize environmental impact.
Site Work and Drainage
4 Rules
Sub-Base and Base Preparation
The existing sub-base and base layers must be inspected for stability and proper drainage. Any repairs or new construction of base layers must consider freeze-thaw cycles prevalent in DuPage County. While not directly codified in IRC, this is a critical regional construction standard for pavement longevity.
Surface Slope for Drainage
The finished court surface must have a uniform slope (typically 1 inch in 10 feet, or 0.83%) to facilitate positive drainage, preventing standing water. This is a best practice for pavement and site engineering, implicitly supported by IRC R401.3 for positive drainage away from structures.
Stormwater Management
Any significant changes to site grading or court footprint must comply with DuPage County Stormwater Ordinance requirements. Ensure that existing stormwater runoff patterns are not adversely affected and that new runoff is managed appropriately without impacting neighboring properties or existing public/private storm sewer systems.
Underground Drainage Systems
If resurfacing involves the modification or installation of new underground drainage systems (e.g., French drains, catch basins), these must be designed to effectively manage surface and subsurface water. While the Illinois Plumbing Code primarily covers sanitary and potable water systems, any connection to existing storm sewers or handling of groundwater should conform to local engineering standards to prevent issues that could impact municipal infrastructure.
Electrical Systems (if applicable)
5 Rules
General Electrical Installation
All electrical work, including new lighting, convenience outlets, or scoreboard wiring, shall conform to the 2023 National Electrical Code (NEC).
Underground Wiring Depth
Underground conductors and cables shall be installed with minimum cover requirements as specified in NEC 300.5. For DuPage County, consideration must be given to the 42-inch frost depth for any non-raceway installations to prevent damage from ground heaving.
Ground-Fault Circuit-Interrupter (GFCI) Protection
All 125-volt, single-phase, 15- and 20-ampere receptacles installed outdoors shall have ground-fault circuit-interrupter protection for personnel. NEC 210.8(A)(3) and (B)(4).
Outdoor Lighting and Luminaires
Outdoor luminaires, lampholders, and other equipment shall be listed for wet locations. Wiring methods for outdoor lighting systems shall comply with NEC Chapter 3.
Support for Light Poles/Fixtures
New light pole bases or similar structural supports must extend below the 42-inch frost depth for DuPage County to prevent movement and damage. IRC R403.1.4.1 (Frost Protection) is applicable for accessory structures and footings.
Plumbing Considerations (Minimal for Resurfacing)
2 Rules
Potable Water Connections (Hose Bibs/Drinking Fountains)
If the project involves the addition or modification of potable water connections (e.g., hose bibs for court washing, drinking fountains), these installations shall comply with the Illinois Plumbing Code. All new hose bibs must be equipped with an approved backflow prevention device (e.g., ASSE 1011 vacuum breaker) to protect the potable water supply. IL Plumbing Code Section 890.1140 (Protection of Potable Water Supply).
Sanitary/Waste Drainage
Tennis court resurfacing typically does not involve sanitary waste. However, any new structure with plumbing fixtures (e.g., restrooms in an adjacent pavilion) would fall under the full scope of the Illinois Plumbing Code, including drainage, venting, and water supply. IL Plumbing Code Chapters 4, 7, 9.
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