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// CODE SNIPPET

1602.0 Nonpotable Rainwater Catchment Systems

Uniform Plumbing Code 2018 of Nevada > 16 Nonpotable Rainwater Catchment Systems > 1602.0 Nonpotable Rainwater Catchment Systems
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1602.1 General

The installation, construction, alteration, and repair of rainwater catchments systems intended to supply uses such as water closets, urinals, trap primers for floor drains and floor sinks, irrigation, industrial processes, water features, cooling tower makeup and other uses shall be approved by the Authority Having Jurisdiction.

1602.2 Plumbing Plan Submission

No permit for a rainwater catchment system shall be issued until complete plumbing plans, with data satisfactory to the Authority Having Jurisdiction, have been submitted and approved.

1602.3 System Changes

No changes or connections shall be made to either the rainwater catchment system or the potable water system within a site containing a rainwater catchment system requiring a permit without approval by the Authority Having Jurisdiction.

1602.4 Connections to Potable or Reclaimed (Recycled) Water Systems

Rainwater catchment systems shall have no direct connection to a potable water supply or alternate water source system. Potable or reclaimed (recycled) water is permitted to be used as makeup water for a rainwater catchment system provided the potable or reclaimed (recycled) water supply connection is protected by an air gap or reduced-pressure principle backflow preventer in accordance with this code.

1602.5 Initial Cross-Connection Test

Where a portion of a rainwater catchment system is installed within a building, a cross-connection test is required in accordance with Section 1605.3. Before the building is occupied or the system is activated, the installer shall perform the initial cross-connection test in the presence of the Authority Having Jurisdiction and other authorities having jurisdiction. The test shall be ruled successful by the Authority Having Jurisdiction before final approval is granted.

1602.6 Sizing

The design and size of rainwater drains, gutters, conductors, and leaders shall comply with Chapter 11 of this code.

1602.7 Rainwater Catchment System Materials

Rainwater catchment system materials shall comply with Section 1602.7.1 through Section 1602.7.4.

1602.7.1 Water Supply and Distribution Materials

Rainwater catchment water supply and distribution materials shall comply with the requirements of this code for potable water supply and distribution systems unless otherwise provided for in this section.

1602.7.2 Rainwater Catchment System Drainage Materials

Materials used in rainwater catchment drainage systems, including gutters, downspouts, conductors, and leaders shall be in accordance with the requirements of this code for storm drainage.

1602.7.3 Storage Tanks

Rainwater storage tanks shall comply with Section 1603.1.

1602.7.4 Collections Surfaces

The collection surface shall be constructed of a hard, impervious material.

1602.8 Rainwater Catchment System Color and Marking Information

Rainwater catchment systems shall have a colored background in accordance with Section 601.3. Rainwater catchment systems shall be marked, in lettering in accordance with Section 601.3.3, with the words: "CAUTION: NONPOTABLE RAINWATER WATER, DO NOT DRINK."

1602.9 Design and Installation

The design and installation of nonpotable rainwater catchment systems shall be in accordance with Section 1602.9.1 through Section 1603.16.

1602.9.1 Outside Hose Bibbs

Outside hose bibbs shall be allowed on rainwater piping systems. Hose bibbs supplying rainwater shall be marked with the words: "CAUTION: NONPOTABLE WATER, DO NOT DRINK" and Figure 1602.9.1
FIGURE 1602.9.1

1602.9.2 Deactivation and Drainage for Cross-Connection Test

The rainwater catchment system and the potable water system within the building shall be provided with the required appurtenances (e.g., valves, air or vacuum relief valves, etc.) to allow for deactivation or drainage as required for a cross-connection test in accordance with Section 1605.3.

1602.9.3 Rainwater Catchment System Surfaces

Rainwater shall be collected from roof surfaces or other manmade, aboveground collection surfaces.

1602.9.4 Other Surfaces

Natural precipitation collected from surface water runoff, vehicular parking surfaces, or manmade surfaces at or below grade shall be in accordance with the stormwater requirements for on-site treated nonpotable water systems in Section 1506.0.

1602.9.5 Prohibited Discharges

Overflows and bleed-off pipes from roof-mounted equipment and appliances shall not discharge onto roof surfaces that are intended to collect rainwater.

1602.9.6 Minimum Water Quality

The minimum water quality for harvested rainwater shall meet the applicable water quality requirements for the intended applications as determined by the Authority Having Jurisdiction. In the absence of water quality requirements determined by the Authority Having Jurisdiction, the minimum treatment and water quality shall be in accordance with Table 1602.9.6.
TABLE 1602.9.6
MINIMUM WATER QUALITY
APPLICATION MINIMUM TREATMENT MINIMUM
WATER
QUALITY
Car washing Debris excluder or other approved means in accordance with Section 1603.14, and 100 microns in accordance with Section 1603.15 for drip irrigation. N/A
Subsurface and drip irrigation Debris excluder or other approved means in accordance with Section 1603.14, and 100 microns in accordance with Section 1603.15 for drip irrigation. N/A
Spray irrigation where the maximum storage volume is less than 360 gallons Debris excluder or other approved means in accordance with Section 1603.14, and disinfection in accordance with Section 1603.12. N/A
Spray irrigation where the maximum storage volume is equal to or more than 360 gallons Debris excluder or other approved means in accordance with Section 1603.14. Escherichia coli: < 100 CFU/100 mL, and Turbidity: < 10 NTU
Urinal and water closet flushing, clothes washing, and trap priming Debris excluder or other approved means in accordance with Section 1603.14, and 100 microns in accordance with Section 1603.15. Escherichia coli: < 100 CFU/100 mL, and Turbidity: < 10 NTU
Ornamental fountains and other water features Debris excluder or other approved means in accordance with Section 1603.14. Escherichia coli: < 100 CFU/100 mL, and Turbidity: < 10 NTU
Cooling tower make-up water Debris excluder or other approved means in accordance with Section 1603.14, and 100 microns in accordance with Section 1603.15. Escherichia coli: < 100 CFU/100 mL, and Turbidity: < 10 NTU
For SI units: 1 micron = 1 µm, 1 gallon = 3.785 L

Related Code Sections


1602.0 Nonpotable Rainwater Catchment Systems, Nonpotable Rainwater Catchment Systems
" The design and installation of nonpotable rainwater catchment systems shall ...
Uniform Plumbing Code 2018 of Nevada > 16 Nonpotable Rainwater Catchment Systems > 1602.0 Nonpotable Rainwater Catchment Systems
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1602.6 Nonpotable Rainwater Catchment Systems, Sizing
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Rainwater catchment system materials shall comply with Section 1602.7.1 through Section 1602.7.4 ...
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Rainwater catchment systems shall have a colored background in accordance with Section 601.3. Rainwater catchment systems shall be marked ...
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