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City Of Santa Clara - South Bay Water Recycling (Sbwr)
Standard Notes For On-Site Recycled Water Irrigation Systems:
 
General Site Information For Recycled Water Use
1. Landscaped recycled water irrigation use area: (square footage).
2. Public access to site grounds is (indicate: unrestricted or restricted).
3. Owner: (legal property owner’s name).
4. Property manager contact: (name, title, and telephone number).
5. Tenant (s): [name(s) & phone number(s); if not applicable, state not applicable].
6. On-site well locations: (for example, one; if none, state none).
7. Wells on adjacent sites located within 50 ft. Of recycled water approved use area or within 100 ft. Of any recycled water impoundment: (for example, one; if none, state, none).
8. Outdoor drinking fountains in/near the recycled water approved use area:
9. (for example, one; if none, state, none).
10. Outdoor eating area(s) in/near the recycled water approved use area:
(for example, ONE; if none, state, NONE).
11. Water features on site: (examples below; if none, state NONE).
Number: Type: Water Source:
One
One		 fountain
pond		 recycled
potable
 
1. Prior to receiving recycled water, the site must be permitted by sbwr. A permit will be granted after:
  • Inspection by sbwr has been completed showing conformance with city rules and regulations;
  • A final on-site inspection has been conducted to confirm that all requirements have been met;
  • Site has passed required cross-connection test performed by city’s certified awwa cross-connection specialist. Contact city at (408) 615-2074 to schedule test;
The owner’s or tenant’s representative must also complete a site supervisor training class offered by sbwr in order to receive a permanent permit. In the interim between connection and training, the tenant or owner will receive a temporary recycled water permit. Contact sbwr at (408) 277-3671 for further information.
 
2. All work shall conform to existing regulations including but not limited to:
  • City of santa clara standards
  • South bay water recycling (sbwr) rules and regulations
  • Sbwr customer on-site design manual
  • California department of health services requirements
  • Uniform plumbing code
 
3. Changes made to the approved irrigation plans shall be submitted to city for review and approval at least 2 weeks prior to start of construction.
 
4. At least two days prior to start of construction, contractor and sbwr inspector shall hold an irrigation pre-construction meeting. To schedule meeting, contact sbwr at (408) 277-3671.
 
5. Notify sbwr inspector a minimum of at least 24 hrs before work begins. Sbwr inspector must inspect and/or verify:
  • Presence of backflow prevention at all potable points of connection
  • New underground piping (labeling, clearances, burial depth, sleeving)
  • Pressure test
  • Installation of signs, tags, and controller decals
  • Site passed a cross-connection test performed by a certified awwa cross-connection specialist
  • New meter installation
  • Coverage test
 
6. Cross-connections between the potable and recycled water systems are strictly prohibited.
 
7. All on-site buried recycled water piping shall be identified by one of the following methods:
  • Use purple-colored pvc pipe or purple poly wrap pipe with continuous wording: “caution – recycled water” printed on opposite sides of the pipe; pipe shall be laid with wording facing upwards.
  • Warning tape with a minimum width of 3 inches reading: “caution – recycled water” (in black or white lettering on purple background) shall run continuously on TOP OF PIPING AND SHALL BE ATTACHED TO piping with plastic tape banded around the warning tape and the pipe every 5 feet on center
 
8. Onsite pvc pipe: constant-pressure mainline piping 1-1/2 inches and smaller shall be schedule 40; constant-pressure mainline piping 2-inches and larger shall be class 315; intermittent-pressure lateral piping shall be class 200 or schedule 40. Copper pipe shall be type “k”.
 
9. All on-site recycled water piping shall be buried to a minimum depth from finished grade to top of pipe (minimum cover) of:
  • Pressurized lines 3 inches and larger 24 inches
  • Pressurized lines 2-1/2 inches and smaller 18 inches
  • Intermittent-pressure lines 12 inches
 
10. All recycled water piping other than pvc piping with solvent welded joints shall be protected against movement with thrust blocks or restrained joints or other approved method per sbwr details.
 
11. Maintain a 10-foot horizontal separation between pressurized recycled water irrigation piping and potable water piping unless otherwise noted. At pipe crossings, recycled water irrigation piping must be 12 inches below potable water lines. If recycled water piping must cross over potable water lines, the recycled water piping shall be at least 12 inches above the potable lines and shall be installed in a pvc pipe sleeve which extends a minimum of 10 feet on either side of the potable water piping.
 
12. All recycled water system remote control valves, isolation valves, strainers, and pressure-regulating valves shall be installed below grade in valve boxes. Green or purple-colored boxes and lids are acceptable. Valve boxes shall be stamped with an integral warning statement or warning label permanently attached or affixed onto the lid with rivets, screws, or bolts. Warning labels shall be per city standard details.
 
13. Quick-coupling valves shall be per city standard details.
 
14. No hose bibs are allowed on the recycled water irrigation system. Any exterior hose bibs served with potable water must be labeled per city standard details.
 
15. All recycled water meters, devices, and valves – e.g. Isolation valves, irrigation controllers, remote control valves, pressure regulating valves, quick coupling valves, etc. - shall be tagged per city standard details.
 
16. Label all potable water meters and above ground potable water pipes/ devices (backflow preventers, hose bibs, etc.) With tags or labels reading: “potable water” in black letters on blue background, per city details.
 
17. All recycled water irrigation systems shall have the following:
  • A wye strainer (with a 20-mesh or finer screen) installed as close as practicable to the recycled water meter box. (optional to customer)
  • A pressure -regulating valve installed immediately downstream of the strainer (unless otherwise directed by city).
  • These components shall be installed with isolation valves to facilitate maintenance and will be maintained by the customer.
 
18. Recycled water advisory signs shall be per city standard details and shall be posted per locations shown on irrigation plans.
 
19. Installation of direct injection systems on the recycled water irrigation system is not permitted.
 
20. No drinking fountains or eating areas are allowed in the approved recycled water use area unless adequately protected from overspray.
 
21. All recycled water meters will be set by the city water utility after:
  • The site’s owner, developer, or contractor has applied for recycled water service with the city water utility, the water service agreement has been approved, and all applicable fees have been paid.
  • The water utility has received authorization from sbwr to set recycled water meters.
 
22. No overspray or runoff of recycled water is allowed on any non-approved use area. Ponding of recycled water due to irrigation is not allowed in any area. Upon receiving recycled water, the on-site recycled water irrigation system must pass a coverage test performed by sbwr inspector.
 
23. Contractor shall submit as-built irrigation plans to city within 90 days of site receiving recycled water.
 
 
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