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Home My WebLink About3. Onsite Recycled Water System - Check List OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 1 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx I. TITLE SHEET 1ST Check 2nd Check 3rd Check 4th Check Comments A. Medium 1. 24"x36" in size conforming to District format 2. No "sticky back", glued or taped on sections ENG OWD ENG OWD ENG OWD ENG OWD B. Signed by the Landscape Architect-of-Work, date of expiration of registration adjacent to signature C. Marked with the name, address and telephone number of the firm preparing the plans and date of preparation D. Consecutively numbered with total number of sheets E. Lettered in a neat and legible style, no hand lettering smaller than 1/8" and no machine letter smaller than 1/10” F. OWD Project# shown vertically on right margin G. OWD Inspection Note H. Landscape Architect As-Built Block. I. OWD permit# shown at bottom right-side corner of the plan OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 2 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx J. DEHQ RW or LRWS shown vertically on top right margin II. TITLE SHEET 1ST Check 2nd Check 3rd Check 4th Check Comments A. OWD Signature Block – Including: 1. OWD Project # 2. Recycled Water Pressure Zone 3. Potable Water Pressure Zone ENG OWD ENG OWD ENG OWD ENG OWD B. DEHQ Signature Block C. Declaration of Responsible Charge D. Responsibility Disclaimer – Including Reference Drawing information: 1. OWD Project # 2. City Drawing # E. Meter Information Table – Including 1. POC ID 2. POC STA 3. IRR AREA (SQ. FT.) 4. TOTAL GPM 5. ANNUAL USAGE (AC. FT.) 6. LATERAL SIZE (All irrigation laterals are 2”) 7. METER SIZE F. OWD As-Built Block G. Marked with the name, address and telephone number of the owner and developer OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 3 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx II. TITLE SHEET (continued) 1ST Check 2nd Check 3rd Check 4th Check Comments H. Name and phase of development (to be consistent throughout the drawing) ENG OWD ENG OWD ENG OWD ENG OWD K. OWD Revision Block I. OWD Inspection Note J. Omission Statement K. Index/Site Map 1. Scale is 1"= 200' minimum 2. Sheet coverage shown 3. North arrow 4. Street names 5. Location of all irrigation meters 6. Point of connection 7. Show existing & proposed utilities in street (type & size) 8. Fire Hydrants 9. Recycled Water “Do Not Drink” Sign locations L. Vicinity Map OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 4 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx 1. Orient north arrow as on key map 2. Arterial streets shown 3. Project boundary street shown 4. APN or site address M. OWD Water Notes N. DEHQ Water Notes III. LEGEND, DETAILS & SPECS 1st Check 2nd Check 3rd Check 4th Check Comments A. Non-standard symbols and abbreviations used are listed and described ENG OWD ENG OWD ENG OWD ENG OWD B. For sprinklers, show radius & pattern, flow pressure, material, manufacturer & model number C. Water Agencies’ Standards, Materials list or Specs when applicable D. Water Agencies’ Standards, Section 15152 E. Water Agencies’ Standards, show details WR-01 or WR-02, WR-03, WR-04 & WM-08 F. Show symbols of potable water meter and potable mains G. For temporary potable connection: Water Agencies’ Standards, show detail WR-05 (if applicable) OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 5 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx III. LEGEND, DETAILS & SPECS (continued) 1ST Check 2nd Check 3rd Check 4th Check Comments H. Show cross connection test station details ENG OWD ENG OWD ENG OWD ENG OWD I. Pressure regulator and Master Valve at POC J. OWD 10-foot separation detail K. Show potable/recycled crossing and trench details L. All valve boxes shall have 3/8” pea gravel M. Booster pumps and fertigation units shall have a bypass IV. DESIGN ON‐SITE 1st Check 2nd Check 3rd Check 4th Check Comments A. Show potable water, recycled water, and sewer lines ENG OWD ENG OWD ENG OWD ENG OWD B. Show point of connection 1. To potable: show use of WR-01 or WR-02 2. To recycled: show use of WR-03 C. Connections of hose bibs and hydrants are not allowed D. Cross connection between recycled and potable is strictly prohibited OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 6 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx IV. DESIGN ON‐SITE (continued) 1st Check 2nd Check 3rd Check 4th Check Comments E. Potable & recycled not in same trench and have 10 feet of separation running parallel ENG OWD ENG OWD ENG OWD ENG OWD F. Drinking fountains and outdoor eating facilities are to be protected from spray of irrigation lines G. Recycled water system does not discharge onto areas not under the owner's control H. Minimum separation between areas irrigated with recycled water, those irrigated with potable water = 10’, Concrete mow curb acceptable I. Recycled water quick couplers are not allowed except for single source streetscapes and slopes J. Potable and Recycled water lines shall be differentiated on plans K. All dripline irrigation shall have a dripline indicator. V. IRRIGATION PLANS OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 7 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx 1st Check 2nd Check 3rd Check 4th Check Comments A. Show: ENG OWD ENG OWD ENG OWD ENG OWD 1. Point of connection per WR-01, 02,03, 04 as appropriate a. Meters (Existing / Proposed) b. Verify w/ OWD & Civil that lateral stub out exists c. Lateral size (2" min.) d. Meter size & location (Road Stationing) e. Proposed Max Flow (GPM) f. Size of irrigated area (SF) g. Estimated yearly demand (Ac. Ft.) h. Design operating pressure (psi) 2. All appurtenances near POC (blow offs, air valves, fire hydrants, etc.) 3. Gate valves are required for 4” and greater installations 4. Control Valves 5. Control stations 6. Signage 7. Cross connection test stations OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 8 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx V. IRRIGATION PLANS (continued) 1st Check 2nd Check 3rd Check 4th Check Comments 8. Adjacent parcels ENG OWD ENG OWD ENG OWD ENG OWD 9. Backflow prevention device 10. Potable water lines 11. Buildings 12. Decorative fountains 13. Exterior drinking fountains 14. Routing of all irrigation pipes 15. Area controlled by each controller station 16. Separation of irrigation system used (fence, mow curbs, walls, ..) 17. Swimming pools (No QCV within 50’, drip or bubbler subgrade installation only, not potable QCV within 75’, Plants must be 4 feet away from the pool or spa) 18. Playgrounds 19. Eating areas B. If none of the above are present, include an omission paragraph specifically stating none exist OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 9 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx V. IRRIGATION PLANS (continued) 1st Check 2nd Check 3rd Check 4th Check Comments E. Additional notes are designated as "Special Notes" ENG OWD ENG OWD ENG OWD ENG OWD F. Inspection note shown on each sheet of irrigation plans G. Reference all Existing OWD Project#, RW/LRWS# @ system connections H. Depth of pipe 1. From top of pipe, intermittent pressure for 2" or less, 12" min 2. From top of pipe, constant pressure for less than 6", 18" min 3. From top of pipe, constant pressure 6" or more, 30" min 4. From top of pipe, constant pressure for less than 6” at street crossings and under paving, 18” min -24” max I. Warning/identification tape J. Horizontal separation between recycled & potable is 10 feet K. Vertical separation is 12" OD recycled below potable 1. Recycled may be above if is intermittent pressure 2. Recycled may be above if constant pressure line has auto flow control/shut- off device or is sleeved OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 10 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx L. Cross connection test station is directly downstream of meter and/or pressure reducing valve M. Fertigation system or booster pump requires RP device instead of check valve. Fertigation device located at end of POC VI. MATERIALS 1st Check 2nd Check 3rd Check 4th Check Comments A. 3" or smaller pipe - solid purple ASTM-D1784 type 1 grade 1 PVC 1120 for Son. 40 or 80 or ASTM- D2241 type 1 grade 1 PVC 1120 for SDR rated pipe ENG OWD ENG OWD ENG OWD ENG OWD B. 4" or greater AWWA C-900 or C-905 C. Sprinklers, valves boxes, valves w/ exterior exposure are to be purple. VII. MISCELLANEOUS 1st Check 2nd Check 3rd Check 4th Check Comments A. Installation and materials for recycled water irrigation system shall conform the Water Agencies Standards and Specifications, section 15152 recycled water facilities ENG OWD ENG OWD ENG OWD ENG OWD OTAY WATER DISTRICT ONSITE RECYCLED WATER SYSTEM CHECKLIST PROJECT NAME: _________________________________________PROJECT NO.: _____________________________ PLAN REVIEWER: ________________________________________PEER REVIEWER: _________________________ DISTRICT REQUEST MYLAR:_____________ Page 11 of 11 https://otaywater365.sharepoint.com/sites/ENGRECYCLEDWATER/Shared Documents/Check List - Onsite Recycled Water System Plan Review Master2021.docx VII. MISCELLANEOUS (continued) 1st Check 2nd Check 3rd Check 4th Check Comments B. All shrub heads shall have purple caps. Decal on risers will not be accepted ENG OWD ENG OWD ENG OWD ENG OWD C. Sign and date the engineer/architect stamp on all sheets. D. Sign and date the declaration of responsibility on the title sheet. E. All RW appurtenances to have “DO NOT DRINK” tags. F. “DO NOT DRINK” and POC ID decal on irrigation controller. G. Details for all appurtenances in POC sequence (pressure regulator, master valve, flow sensor, etc.) H. POC sequence is hard piped up to flow sensor. I. No red brass in materials. END