Plumbing fixtures, drains, appurtenances and appliances used to receive or discharge liquid waste or sewage shall be directly connected to the sanitary drainage system of the building or premises, in accordance with the requirements of this code. This section shall not be construed to prevent indirect waste systems required by Chapter 8.
Exception: Bathtubs, showers, lavatories, clothes washers and laundry trays shall not be required to discharge to the sanitary drainage system where such fixtures discharge to an approved gray water system for flushing of water closets and urinals in accordance with Chapter 13. Any sewage that discharges from the building must be connected to the sanitary drainage system of the building or premises and discharge to a sewage system in accordance with Chapter 7.
Pipes passing through concrete or cinder walls and floors or other corrosive material shall be protected against external corrosion by a protective sheathing or wrapping or other means that will withstand any reaction from the lime and acid of concrete, cinder or other corrosive material. Sheathing or wrapping shall allow for movement including expansion and contraction of piping. Minimum wall thickness of material shall be 0.010 inch (0.25 mm).
Exception: Sleeving is not required for installation of CPVC into concrete or similar material.
Pipe shall be supported in accordance with Table 308.5.
|PIPING MATERIAL||MAXIMUM |
|Acrylonitrile butadiene styrene (ABS) pipe||4||10b|
|Chlorinated polyvinyl chloride (CPVC) pipe and tubing, 1 inch and smaller||3||10b|
|Chlorinated polyvinyl chloride (CPVC) pipe and tubing, 11/4 inches and larger||4||10b|
|Copper or copper-alloy pipe||12||10|
|Copper or copper-alloy tubing, 11/4-inch diameter and smaller||6||10|
|Copper or copper-alloy tubing, 11/2-inch diameter and larger||10||10|
|Cross-linked polyethylene (PEX) pipe 1 inch and smaller||2.67 |
|Cross-linked polyethylene (PEX) pipe 11/4 inch and larger||4||10b|
|Cross-linked polyethylene/aluminum/cross-linked polyethylene (PEX-AL-PEX) pipe||2.67 |
|Polyethylene/aluminum/polyethylene (PE-AL-PE) pipe||2.67 |
|Polyethylene of raised temperature (PE-RT) pipe 1 inch and smaller||2.67 |
|Polyethylene of raised temperature (PE-RT) pipe 11/4 inch and larger||4||10b|
|Polypropylene (PP) pipe or tubing 1 inch and smaller||2.67 |
|Polypropylene (PP) pipe or tubing, 11/4 inches and larger||4||10b|
|Polyvinyl chloride (PVC) pipe||4||10b|
|Stainless steel drainage systems||10||10b|
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm.
Exception: The systems listed in this section are permitted to be located below the elevation required by Section 1612 of the Florida Building Code, Building for utilities and attendant equipment, provided that the systems are designed and installed to prevent water from entering or accumulating within their components and the systems are constructed to resist hydrostatic and hydrodynamic loads and stresses, including the effects of buoyancy, during the occurrence of flooding up to such elevation.
Gauges used for testing shall be as follows:
Components of the condensate disposal system shall be brass, cast iron, galvanized steel, copper, copper alloy, cross-linked polyethylene, polyethylene, ABS, CPVC or PVC or polypropylene pipe or tubing. All components shall be selected for the pressure and temperature rating of the installation. Joints and connections shall be made in accordance with the applicable provisions of Chapter 7 relative to the material type. Condensate waste and drain line size shall be not less than 3/4-inch (19.1 mm) internal diameter and shall not decrease in size from the drain pan connection to the place of condensate disposal. Where the drain pipes from more than one unit are manifolded together for condensate drainage, the pipe or tubing shall be sized in accordance with Table 314.2.2.
[M] TABLE 314.2.2
CONDENSATE DRAIN SIZING
|EQUIPMENT CAPACITY||MINIMUM CONDENSATE |
|Up to 20 tons of refrigeration||3/4 inch|
|Over 20 tons to 40 tons of refrigeration||1 inch|
|Over 40 tons to 90 tons of refrigeration||11/4 inch|
|Over 90 tons to 125 tons of refrigeration||11/2 inch|
|Over 125 tons to 250 tons of refrigeration||2 inch|
For SI: 1 inch = 25.4 mm, 1 ton of capacity = 3.517 kW.
In addition to the requirements of Section 314.2.1, where damage to any building components could occur as a result of overflow from the equipment primary condensate removal system, one of the following auxiliary protection methods shall be provided for each cooling coil or fuel-fired appliance that produces condensate: