Construction of Spa  


NAC 444.428. Adoption of Standards by reference.
NAC 444.429. Use of equipment and materials not approved by NSF International.
NAC 444.430. Shape.
NAC 444.432. Depth.
NAC 444.434. Depth markings.
NAC 444.436. Slope.
NAC 444.438. Materials.
NAC 444.440. Structural design.
NAC 444.442. Steps, ladders, treads and handrails required.
NAC 444.444. Spa steps and recessed steps.
NAC 444.446. Recessed treads.
NAC 444.448. Ladders.
NAC 444.450. Handholds.
NAC 444.452. Miscellaneous requirements.
NAC 444.454. Decks: Dimensional design.
NAC 444.456. Decks: Surfaces.
NAC 444.458. Hose bibs.
NAC 444.460. Drinking fountains.
NAC 444.462. Roofs and canopies.
NAC 444.463. Enclosures; exclusion of unauthorized persons.
NAC 444.465. Gates and doors.
NAC 444.466. Electrical requirements.
NAC 444.468. When bathhouses required.
NAC 444.470. Bathhouse facilities.
NAC 444.472. Ventilation.
NAC 444.474. Supply of water.
NAC 444.476. Quality of water.
NAC 444.477. Inlets.
NAC 444.480. Drains.
NAC 444.482. Piping.
NAC 444.484. Circulation and filtration.
NAC 444.486. Pumps.
NAC 444.488. Pump motors.
NAC 444.490. Valves.
NAC 444.492. Overflow systems.
NAC 444.494. Skimmers.
NAC 444.496. Filters.
NAC 444.498. Disposal of wastewater.
NAC 444.500. Air induction systems.
NAC 444.502. Disinfectant required.
NAC 444.504. Disinfectants: Approved chemical feeders.
NAC 444.506. Disinfectants: Use of chlorine gas.
NAC 444.507. Disinfectants: Storage of chlorine gas.
NAC 444.508. Disinfectants: Test equipment.
NAC 444.510. Heating units.
NAC 444.512. Equipment enclosure.