ADA Compliance

Compliance with the Americans with Disabilities Act, including required wheelchair seating positions, companion seats, accessible aisle widths, hardware operable with one hand, and sightlines for athletic facility installations. See our ADA bleacher inspection services.

ASTM F2151

ASTM International standard practice for telescopic gymnasium seating inspection and maintenance. Referenced by most state and municipal codes for annual bleacher inspections.

Athletic Floor Cover

Removable protective covering for hardwood gym floors during non-athletic events (concerts, assemblies, graduations). CSI 11 66 33.

Backboard

Glass or steel rectangular panel that holds the basketball rim. Tempered glass is competition-standard; steel is durable budget option.

Bleacher Capacity Tier

Required ADA wheelchair position count is based on bleacher seating capacity. Tier thresholds typically: 1–25 seats (1 position), 26–50 (2), 51–300 (4), and so on.

CHSAA

Colorado High School Activities Association — the state body governing high school athletics in Colorado. Sets shot clock and other equipment standards. See our CHSAA shot clock guide.

CIF

California Interscholastic Federation — California’s high school athletics governing body. Sets equipment compliance standards.

CSI MasterFormat

The construction industry’s standard classification system organized into 50 divisions. Division 10 = Specialties (lockers). Division 11 = Equipment (gym). Division 12 = Furnishings (bleachers).

DSA

Division of the State Architect — California state agency overseeing public-school construction. DSA-compliant installation is required for state-funded California school projects.

Divider Curtain

Motorized or manual curtain that subdivides a gymnasium into multiple practice areas. Vinyl bottom prevents balls passing through; mesh top allows visibility. See our divider curtain installation services.

Fold-Up Curtain

Divider curtain style that folds up vertically when retracted. Alternative to roll-up style.

HDPE Locker

High-Density Polyethylene locker — 100% waterproof, rust-proof construction. Premium choice for pool decks and humid environments.

Hoist (basketball)

Motorized or manual lifting mechanism that raises and lowers ceiling-suspended basketball backstops.

ICC 300

International Code Council standard for grandstands and bleachers. References annual inspection requirements.

Locker Tier

Vertical division of a locker column. Single tier = one full-height locker. Double tier = two half-height lockers stacked.

Maple Athletic Floor

Hardwood athletic flooring made from northern hard maple. Competition-standard for basketball, volleyball. MFMA-certified suppliers include Connor Sports and Robbins. See our gym floor installation services.

MFMA

Maple Flooring Manufacturers Association — sets quality and grading standards for maple athletic flooring.

Motorized Backstop

Basketball backstop equipped with a motor for remote-controlled raising and lowering. Standard for HS and college facilities.

NFHS

National Federation of State High School Associations — sets equipment standards adopted by state athletic associations.

Number Plate

Identification plate (engraved, screen-printed, or applied vinyl) on each locker indicating locker number.

Performance Bond

A bond guaranteeing a contractor will complete a project per contract. Required on most public-school projects above district-set thresholds.

Prevailing Wage

State-mandated minimum wage rates for public-construction projects. Most Colorado and California public-school projects require prevailing wage compliance.

Retractable Bleacher

Synonym for telescoping bleacher. Extends from a stored position for use, retracts for floor space.

Roll-Up Curtain

Divider curtain style that rolls up onto a top mandrel when retracted. Common for motorized installations.

Shot Clock

Game clock counting down possession time. CHSAA-adopted for Colorado HS basketball starting 2026-27 season. NFHS-compliant configurations required.

Subfloor System

Layered structural system beneath an athletic floor. Sleeper systems use wood members; panel systems use engineered subfloor panels; polyurethane systems use elastic pad layers.

Telescoping Bleacher

Bleacher system that extends from a folded storage position to extended seating position. CSI 12 63 16. Modern systems are motorized. See our bleacher installation services and bleacher cost guide.

UEI

Unique Entity Identifier — federal contractor ID from SAM.gov, replacing the older DUNS number.

Ventilated Locker

Locker with open-sided or perforated-door design for airflow. Standard for athletic locker rooms to reduce odor.

Volleyball Floor Sleeve

Recessed metal sleeve in a gym floor that accepts volleyball net standards. Allows fast multi-sport conversion.

Wall Pad

Custom-fit foam and vinyl padding mounted on gym walls for athlete safety. Class A fire-rated. See our wall padding installation services.

Wheelchair Position

ADA-required designated seating space accommodating a wheelchair. Required count is based on bleacher capacity tier.

Z-Locker

Locker configuration where two lockers interlock in a Z-shape, maximizing hanging length in a compact footprint.