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HomeMy WebLinkAbout3541-3IRRIGATION REHABILITATION SPECIFICATIONS 1. Repair irrigation system of leaks, missing and broken heads, missing and broken nozzles, broken pipes and fittings, replace defective solenoids, wiring, valves, etc. Final irrigation to achieve 100% coverage without leakage. 2. Contractor to perform a complete irrigation check including coverage test prior to beginning work to assess scope of work. 3. Irrigation system to be programmed for time of least evaporation. 4. All new mainline to Schedule 40. 5. All lateral lines to be minimum schedule 40, however, Class 200 is preferable. 6. No machine trenching shall occur within drip lines of existing trees. Hand dig and install pipe without cutting roots. 7. Backfill trenches and compact soil to meet existing adjacent grades and to equal compaction of adjacent undisturbed soil, plants to be replanted or replaced as necessary. 8. All new pipe and control wires to have a minimum coverage of 12". 9. Each valve is to operate separately on controller program. 10. Replacement valves and sprinkler to match existing type used. 11. All sprinkler heads are to provide head to head coverage. Add heads as necess insure 100% coverage. 12. Use the same brand of heads, valves, etc. for replacements. 13. Use 4" pop-up heads in lawn area. 14. Use 12" pop-up heads in shrub/ground cover areas. 15. Remove any shrub heads on fixed risers and replace with pop-up heads. 16. Adjust all nozzles to insure proper coverage and minimize over spray onto buildi fence, walks, streets, etc. 17. Check system before backfilling any trenches. 18. Comply with all local codes for replacement or repair of any backflow prevention device. 19. All new or replaced heads are to be on double swing joints. 20. All threaded connections to be made with Teflon tape. 21. All electrical connections to be waterproof. Electrical tape not acceptable. 22. Use check valves to eliminate low sprinkler head drainage. 23. Install rainfall shutoff system per manufacturer's direction. in DIAL TOLL FREE 1-800-227-2600 AT LEAST TWO DAYS BEFORE YOU DIG UNDERGROUND SERVICE ALERT OF SOUTHERN CALIFORNIA P.O.C. at EXISTING 3" MAINLINE STUB FROM 1 Y2" METER. Prior to installation of irrigation system, the Contractor shall verify static pressure at P.O.C. at 90 P.S.I. Should pressure be below that, the Landscape Architect shall be notified. CLIPTON ST All Work to Meet or Exceed State & Local Codes and Industry Standards. V11ritten Dimensions to Precede Scaled Dimensions. k :. & Vatch Line V - See This Sheet EXISTING STATIC PRESSURE (psi) : 90 TEST DATE: October 1, 2003 AGENCY: Fontana V Jater Department PHONE NO.: (909) 822-2201 CHECKED BY: Ron CONNECT NEW MAINLINE TO EXISTING 3" MAINLINE STUB. VALVE CONTROLLER WIRES TO BE SPLICED TO EXISTING Match Line V- See This WIRES AT STUB OFF. 18 CONTROL WIRES ARE AVAILABLE FOR SPLICING. 311 9 L-6 3,, U914 14 4 /"7 w 3 L-6 UNDERGROUND UTILITIES: The Contractor shall be responsible for locating or verifying locations of all existing utilities, and for protection of same. Damages resulting from Contractor's work or that of Contractor's sub -contractors shall be restored to original condition at their own expense. City shall have the final say if repairs are to be made by Contractor or others. 1 L-6 2 Ll 112"' 1 II 1 / 1 / / II Sheet Equipment Legend SYMBOL DESCRIPTION MODEL Existing 1-1/2" Water Meter 8 Gate valve G.P.M. Nibco T-113, line size ---- Mainline PVC. SCH. 40 up to 1-1/2", Toro Class 315 2" & up 12" pop-up Lateral Line PVC. Class 200 3/4" Thru 1-1/2" _______ Irrigation Sleeve PVC. SCH. 40 at 2-1/2" 30 X Dia. of Pipe Igo Sprinkler Heads SEE IRRIGATION DETAILS, SHEET L-6 SYMBOL Remote control valve MODEL Superior 950 -DW, 1-/'/2/" 8 Quick coupling valve G.P.M. Rain -Bird 33 -DRC, Line Size © Automatic irrigation controller Toro Toro N.W. 8000, 132-8608 12" pop-up 32 Station (Existing) Q Reduce Pressure Backflow Preventer 30 Febco, 825 Y,1%" (Existing) SYMBOL MANUFACTURER MODEL DESCRIPTION NOZZLE RADIUS G.P.M. P.S.I. PATTERN - Toro 570-Z 12" pop-up 8-Q 8' 0.24 30 90° B.F.P. Toro 570-Z 12" pop-up 8-T 8' 0.30 30 135° � Toro 570-Z 12" pop-up 8-H 8' 0.50 30 180' P� Toro 570-Z 12" pop-up 10-Q 10' 0.40 30 90° m Toro 570-Z 12" pop-up 10-T 10' 0.52 30 135° (� Toro 570-Z 12" pop-up 10-H 10' 0.71 30 180° Toro 570-Z 12" pop-up 15 ADJ 15' 0.81 30 450 U .WW cc Toro 570-Z 12" pop-up 8 -H -PCD -.5 8' 0.50 30 180° Toro 570-Z 12" pop-up 8 -0 -PCD -.25 8' 0.25 30 900 ❑ Toro 570-Z 12" pop-up 4 -SST 4'x30' 0.90 30 Side ❑ Toro 570-Z 12" pop-up 4 -EST 4'x15' 0.45 30 End 0 Toro 570-Z 12" pop-up FB -25 -PC Bubbler 0.25 30 Flood Irrigation Notes 1) Mainline and lateral lines shall be sleeved under all driveways and walkways. 2) The irrigation equipment is shown in the street/ hardscape areas for clarification only. Actual equipment shall be placed within landscape areas. Valve boxes and equipment installed above ground to be placed in shrub/ ground cover areas where possible. 3) Sprinkler heads shall be as indicated on the drawings. Six inch (6") pop-up type spray heads shall be installed in all lawn areas. Twelve inch (12") pop-up type spray heads shall be installed in all ground cover/ shrub areas. 4) Irrigation system shall always be isolated from domestic system with use of an approved backflow device. 4 Y 6 L-6 L-6 2"( PrIESSURE LOSS CALCULATIOIS: IS EXISTING STATIC PRESSURE (psi) : 90 Irrigation Plan Scale: 1"=20' North Station Number Gallons Per Minute Valve Size Detail/ section number Sheet number COMPONENT SIZE GPM LENGTH LOSS/100' NET LOSS WATER METER 1 4' 35 - - 2.55 COPPER SERVICE LINE 1 y" 50' 5.18 2.59 B.F.P. 1 y" Mci - - 12.0 MAINLINE 3" 600' 0.13 0.78 CONTROL VALVE 3.10 ELEVATION - - - - LATERALS - - - 5.0 SUBTOTAL: 26.02 25% PRESSURE ALLOWANCE FOR FITTINGS: 6.51 SPRINKLER OPERATING PRESSURE: 30.0 TOTAL PRESSURE LOSS (psi): 62.53 t0 (QIPr04 �A R I C H A R D 1 0 m X": MM Landscape Architecture Urban Design & Planning 181 N. 'E' Street, San Bernardino, CA 92401 phone: (909) 888-5568 fax: (909) 384-9854 e-mail: rpa.lc@verizon.net Richard Pope, Landscape Architect CA# 2664 p,N g A II � I a' Iii I qTF F A O Owner/Applicant: Strath2m Homes, Inc. 2201 Dupont Drive, Sulte 300 Irvine, CA 92012 (949) 833-1554 Attn: Dike Aller Sheet Description: Irrigation Plan Date: Larch 10, 2004 RPDA Job No.: 04-03 Drawn by: LKD S.1c Revisions: Sheet: I I i Of: 9 CO) W iy 9 0 Mci ca � v C3 Co a3 C!3 a� .� IC CL O L6 co CL U .WW cc r COF3Q� Sheet Description: Irrigation Plan Date: Larch 10, 2004 RPDA Job No.: 04-03 Drawn by: LKD S.1c Revisions: Sheet: I I i Of: 9