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HomeMy WebLinkAbout2714-303.04 40 A. a. C. } 3.0 5 MADwr E11MtC! FIELD QUALITY CONTROL A. The entire sprinkler irrigation system shall be under full automatic operation for a period of sewn days prior to any planting. I. The Contractor shall adjust all sprinkler heads and p, The Agency's Authorized Representative reserves the right to valves for optimum performance and to prevent as much as eve os shorten the operation period. possible any overspray onto walks and roadways. No spray is permitted on buildings. C. After the maintenance period, the Contractor shall demonstrate in the presence of the Agency's Authorised Mpsasemtative the 2. if it is determined that adjustments in the irrigation system is in perfect operating order. equipment will provide proper and more adequate coverage, the Contractor shall make such adjustments 3.06 CLEAN-UP prior to planting. Adjustments may include changes in nozzle sizes, trajectory of spray or degrees of arc, as required. A. Clean- scall V perform" a. eaelk up M portion of - time weft progresses. Refuse and excess dirt shall be removed from the 3. All sprinkler heads shall be set perpendicular to site, all walks and paving shall be broomed or washed dowel, finished grades unless otherwise designated on the plans and any damage sustained to the work of others shall be and at -height and distance from walks, buildings, etc., repaired and work of others shall be repaired and work - as noted. returned to its original condition. The Contractor is responsible for protecting all existing landscaping. Any existing landscaping removed shall be 3.. 07 OplRATIlIri I11OCTIOIii properly replaced, including any sod. A. The Contractor shall bered to train requi Agency's maintenance T��ina ni irriawt^ inn sy■t..s personnel in proper operation of all major equipment. provide written evidence of the person or persons so trained to the 1. Test all pressure lines under hydrostatic pressure -of Agency's Authorized Representative. one hundred fifty (150) pounds per square inch,or fifty (50) pounds per square inch more than the normal attic pressure (whichever is greater) , and prove watertight. 3.04 MISTING Viii 2. Testing of pressure main lines occur prior to A. when it is necessary to excavate adjacent to existing trees, installation of electrical control valves, quick use all possible care to avoid injury to tree trunk, branches couplers or any other equipment that might prevent a and tree roots. Excavation in areas where two (2) inch and proper test from being performed. larger roots occur shall be done i'ge by hand. All roots two (2) 3. All piping under paved cin linos shall be tested under inches and larger in diameter shall be tunneled under and shall be heavily wrapped with burlap, to prevent scarring or hydrostatic pressure of one hundred fifty (150) pounds excessive drying. where a ditching machine is run close to per square inch or fifty (50) pounds per square inch tress having roots smaller than two (2) inches in diameter, more than normal static pressure (whichever is greater), the wall of the trench adjacent to the tree shall be hand and proved watertight, prior ro paving. trimmed, making clean cuts. Roots one (1) inch and larger in diameter shall be painted with two (2) coats of Tree Seal, or �. Sustain pressure is lines for not leas than three .(31 approved equivalent. Trenches adjacent to tree should be hours. If leaks develop, replace joints and repeat test backfilled within twenty -foes (24) hours. where this is not until entire system is proved wratartight. possible, the side of the trench adjacent to the tree shall be kept shaded with burlap or canvas. S. All hydrostatic tests shall be made only in the presence of the Agency's Authorized Representative, or other duly authorized representative of the Agency. No pipe shall be completely backfilled until it has boss inspected, tested and approved is writing. s. Furnish necessary pressure force pump and all other test equipment. 7. when the sprinkler irrigation system is completed, perform a coverage test in the prescence of the Agency's Authorized Representative, to determine if the water coverage for planting areas is complete and adequate. Furnish all materials and perform all work required to correct any inadequacies of coverage due to deviations from plans, or where the system has been willfully installed as indicated on the drawings when it is obviously inadequate, without bringing this to the attention of the Agency's Authorized Representative. This test shall be accomplished and passed before any ground cover of turf is planted. •. upon completion of sack phase of work, entire system shall be tested and adjusted to meet site requirements. S. Lowe voltage wiring under paving *ball be tested foe continuity, prior to paving when over fifty (SO) feet. 10. No planting of shrubs, ground cover or turf shall be installed prior to approval of the irrigation coverage test by the Agency's Authorised 10proomtative. HEMLOCK AVENUE .t INSTALL SOX T ABOVE FG AT PLANTER INSTALLATION. INSTALL CONCRETE BOX FLUSH WITH SURFACE AT HARDSCAPE. CARSON OR APPROVED EQUAL LOCKING PLASTIC VALVE BOX AT INSTALLATION AT FINISH GRADE. INSTALL LOCKING REINFORCED CONCRETE VALVE BOX WHEN MASTER VALVE IS INSTALLED VAT" F1NiEii SURFACE. MASTER VALVE MINIMUM ©ONNS REAtA LEWTF! OF STRAIGHT PIPE - 5 X PIPE DIAMETER. TWO (2) CONDUCTOR TWISTED PAIR SHIELDED DIRECT BURIAL CABLE. (BELDEN 9992 OR EQUAL) FOR CONNECTION TO TRANSMITTER. CONCRETE VAULT OR METER PIT. — SIZE AS REQUIRED. 1IIOtTER9940OF CONNECTIOP '310 SERIES 7000 EPDXY KIT OR EQUAL _ MINIMUM UPSTREAM LENGTH OF STRAIGHT PIPE 3 10 x PIPE DIAMETUt DATA INDUSTRIAL IR200 SERIES FLOW SENSOR. REFER TO LEGS. TITE' ELECTRICAL CONNECTORS MASTER VALVE. REFER TO LEG MINIUM 2 CUBIC FEET OF GRAVEL PVC MAINLINE UNION AND ADAPTERS. FINIM GRADi INSTALL CONCRETE BOX FLUSH VMW SURFACE AT INSTALLATION WITHIN HARDSCAPE. CONCRETE BOX TO W LOCIONG. INSTALL BOX 2' ABOVE FG AT PLANTER AREA IWALLATi K DATA INDUSTRIAL FLOW SENSOR NTS TYPICA�4SENSOR 1 STALLATION 0. =_, N i I .6 IIS __ ir ' `� Wo AUT"011RAT1C COM'T'ROLLE}R "W Approximate location of Toro Networ4k 8000 series 32 station field satWft controller in 'Myers' metered enclosure. Refer to legend for model #. Independent 115 VAC 50/60 Hz., 0.35 amp power and electric meter provided per Electrical Engineers plans to this approximate location. Generali Contractor shall install electric meter. Irrigation Contractor shall make final hookups. Exact location of controller shall be approved by City Inspector. Provide surge protection and grounding rod, install per manufacturers recommendations. Route 4 extra wires adjacent to H-1 and H-2 valve boxes. Coil 18" and instar in 10" round valve box. Label as extra valve control wire. 00 Refer to irrigation legend for further information. A A POINT OF CONNECTION #6 Hemlock Avenue, station 41+50. Elevation 1418.5'. Static pressure at POC: 90.7 PSI. Approximate location of 1" water meter provided for and installed by Owner per Engineers plans. Connect to meter with Class 315 PVC pipe and route to 1-1/4" backflow, 1-1/2' pressum reducing valve (install pressure reducing valve with backflow assembly - refer to backflow detail) 1-1/4" master valve and 1-1/2" flow meter as shown. Contractor shall verify exact location and size of meter prior to work. Set pressure reducing valve at +- 45 PSI. Contractor shall fine tune setting so as to achieve maximum performance. I N NO 1/2" PVC CLASS 200 LATERAL LINE TO BE INSTALLED. SMALLEST SIZE LATERAL LINE TO BE CLASS 200 3/4" . r � � REFER TO SHEET 29 FOR IRRIGATION LEGEND AND NOTES. REFER TO SHEETS 32,33 AND 34 FOR IRRIGATION SPECIFICATIONS AND DETAILS.