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HomeMy WebLinkAbout6277-91.01 RELATED DOCUMENTS A. Review the General Conditions, Standards Specifications and Special Provi which contain Information and requirements that apply to this section. 1.02 WORK INCLUDED A. The Contractor shall supply all material, pipe, pipe fittings, automatic va wiring, and all labor to install a fully Reclaimed Water automatic sprinkler s Restore any existing landscaping that may be disturbed during the installati 1.03 RELATED SECTIONS A. Lawns & Grasses - Section 02930 B. Trees, Shrubs, Vines and Groundcover - Section 02950 C. LandscapeMaintenance - Section 02970 - D. Electrical Section 16000 1.04 QUALITY ASSURANCE AND REQUIREMENTS A. Permits and Fees: The Contractor shall obtain and pay for any and all I all Inspections as required. B. Manufacturer's Directions: Manufacturer's directions and detailed drawings be followed in all cases where the manufacturer of articles used in this car furnishes directions covering points not shown in the drawings and specifics C. Ordinances and Regulations: All local, municipal and state laws, and rule regulations governing or relating to any portion of this work are hereby Incorporated Into and made a part of these specifications, and their provlsi shall be carried out by the contractor. Anything contained In these specific, shall not be construed to conflict with any of the above rules and regulatic requirements of the some. However, when these specifications and drawings for or describe materials, workmanship, or construction of a better quality, standard of larger size than Is required by the above rules and regulations, provisions of these specifications and drawings shall take precedence. D. Applicable Standards: General Conditions, Special Provisions, City of Font, Landscape Ordinance No. 1734, and Landscape construction standards Secti 5000. E. Superintendent: 1. A superintendent satisfactory to Agency's Authorized Representative who understands and SPEAKS ENGLISH FLUENTLY shall be present on the site al all times during progress of the work. 2. The Superintendent shall not be changed except with the consent of the Agency's Authorized Representative. 3. The Superintendent shall be authorized to represent the Contractor. F. Explanation of Drawings: 1. Due to the scale of drawings, it is not possible to indicate all offsets, fi sleeves, etc. which may be required. The Contractor shall carefully Investigate the structural and finished conditions affecting all of his work and plan his work accordingly, furnishings such fittings, etc., as may be required to meet such conditions. Drawings are generally diagrammatic and Indicative of the work to be installed. The work shall be installed in such a manner as to avoid conflicts between irrigation systems, planting and architectural features. 2. All work called for on the drawings by notes or details shall be furnishes and installed whether or not specifically mentioned in the specifications. 3. The irrigation system as shown on the drawings shall not be installed vat it is obvious in the field that obstructions, grade differences or discrepancies in area dimensions exist that might not have been considered in engineering. Such obstructions or differences should be brought to the attention of the Landscape Architect and City--s Authorized Representative. In the event this notification is not performed, the irrigation Contractor is responsible for any revision necessary. 4. No materials are to be purchased or installed as noted in legend on the drawing when It Is obvious there is an error or discrepancy. In addition, failure to obtain prior material approval, risks rejection by the Agency's Authorized Representative. By failing to bring material discrepancies to the attention of the Agency's Authorized Representative or by failure to comply with materials submittals, the Contractor Is responsible for any revisions necessary. 5. Work of this Section which Is associated with the work of other trades s be coordinated as necessary. 6. It is the intent of the drawings and specifications to provide an irrigatloi system with head to head coverage. The contractor is responsible for any misinterpretation of the drawings prior to or during construction. Should any discrepancy arise as to the interpretation of the drawings or specifications, the final decisions In the matter will rest with the Agency's Authorized Representative. G. Underwriters Laboratories: Electrical wiring, controls, motors, and devices U.L. listed, and so labeled. 1.05 SUBMITTALS A. Material List: 1. The Contractor shall furnish the articles, equipment, materials, or processes specified by name in the drawings and specifications. No substitution will be allowed without prior written acceptance by the Agency's Authorized Representative. be submitted to the Agency's Authorized Representative for approval prior to the making of controller charts. 1.06 PRODUCT DELIVERY, STORAGE AND HANDLING A. Handling of P.V.C. Pipe and Fittings: The Contractor is cautioned to exercise care in handling, loading, unloading, and storing of P.V.C. pipe and fittings. All P.V.C. pipe shall be transported in a vehicle which allows the length of pipe to lie flat so as not to subject it to undue bending or concentrated external load at any point. Any section of pipe that has been dented or damaged will be discarded and, if Installed, shall be replaced with new piping. B. When pipe Is stored outdoors, it shall be covered to protect It from sunlight. BENCH MARK: SAN BERNARDINO COUNTY iBM PER FIELD BOOK 4015/848 ELEVATION = 1019.83'. DATUM = 1929 RAILROAD SPIKE IN POWER POLE #71833, N.E. CORNER POPLAR AVE. & SANTA ANA AVE. EST. FROM BM 8-38. 1.07 SUBSTITUTIONS A. If the Irrigation Contractor wishes to substitute any equipment or materials f those equipment or materials listed on the Irrigation drawings and specifications he may do so by providing the following Information to the Agency's Authorized Representative for approval: 1. Provide a statement Indicating the reason for making the substitution. Use a separate sheet of paper for each item to be substituted. 2. Provide descriptive catalog literature, performance charts and flow charts for each item to be substituted. 3. Provide the amount of cost savings if the substituted item is approved. 4. Approval of any item as a substitution or alternate is for design only, based on information or samples provided by the Contractor. 5. Contractor shall be responsible for the total performance of such substitution to equal or surpass the original in every respect. 6. If the substitution proves to be unsatisfactory In the opinion of the Agency's Authorized Representative, Contractor shall remove such work and replace it with originally specified item (including installation) as part of the work of this section. B. The Agency's Authorized Representative shall have the sole responsibility for accepting or rejecting any substituted Item as an approved equal to equipment and materials listed on the Irrigation drawings and specifications. 1.10 CONNECTIONS TO UTILITIES 1. Source of Water and Power Supply. Verify and be familiar with the location, size and detail of stub -outs provided as the source of water and electrical supply to the sprinkler system, as shown on the plans. Source of water supply and point of connection shall be new water meters or stubouts at approximate locations as shown on plans. (Unless otherwise noted). 2. Appropriately sized gate valves that match the size of the irrigation system will be provided by the contractor to the appropriate water company at time of meter install. 3. Utilities Service Charges: The contractor Is responsible for all utilities service charges related to the work during the course of construction and construction maintenance periods until the project has been accepted by the Agency. Payment for the utilities service charges shall be considered as Included in the prices paid for various Items of work and no additional compensation will be made therefore. 4. Existing Utilities and Conditions: Prior to any excavation, call Dig Alert or USA (800-422-4133) to locate all cables, conduits, sewer septic tanks, and other utilities that are commonly encountered underground, and take proper precautions not to damage or disturb such improvements. If a conflict exists between the construction plan location of facilities and existing facilities promptly notify the Agency, who will arrange for relocations. Proceed in the some manner if rock layer or any other conditions encountered underground make changes advisable. 5. Subsurface Condition: Where Investigation of subsurface conditions has been made by a qualified Geotechnical and Environmental Sciences consultant in areas In which local materials may be obtained, the Contractor may request the use of such information, but will be directly responsible for its verification and accuracy. 1.11 CONSTRUCTION OBSERVATION 1. Notification and Access: At all times penult the Agency or Its authorized agents to visit and observe the work or any part thereof. Maintain proper facilities and provide safe access for such observations to all parts of the work. Where the specifications require work to be tested, It shall not be covered up until tested or approved by the Agency and governing agencies. The Contractor shall be solely responsible for notifying the Agency's Authorized Representative forty-eight (48) hours notice minimum required, where and when such work is in readiness for approval, it shall, if so ordered, be uncovered at the Contractors expense. 2. Observations required: a. Preconstruction meeting. b. Layout of control equipment and heads (All concrete headers to be installed prior to head layout). c. Monitor grading to insure proper drainage prior to sod and plant Installation. d. Main line pressure test, sleeves and trench depth check. Mainline pressure test-150 PSI for 3 hours (prior to valve Installation) e. Lateral trench depth check, lateral lines and head assemblies. f. Controller pedestal install and layout (Building and Safety inspects the actual meter pedestal) 2. Developer/contractor to perform a head to head coverage test on the turf and in all irrigation areas in the planters on final walk thru with the Engineering Public works inspector and a Landscape Technician from the Public Works Department. 1.12 COMPLETION A. In judging the work, no allowance for deviation from the original plans and specifications will be made unless previously approved by the Agency. B. When any Item appears on the plans and not In the specifications, or in the specifications and not on the plan, it shall be considered in both. C. The Agency or its authorized representative shall have the final authority on all Items of the project. 1.14 SERVICE BY THE CONTRACTOR A. The Contractor shall service the system at the Agency's request during the guarantee period and shall be paid for work performed which is not covered by the guarantee. If requested by the Agency, the Contractor shall furnish the Agency with a schedule of service fees. PART 2 - PRODUCTS 2.01 MATERIALS A. General: Use only new materials of brands and types noted on drawings, specified herein, or approved equals. 2.02 PIPES AND FITTINGS A. Reclaimed Purple Pipe Shall be Used for All Applications to Make A Complete Reclaimed Water system B. Pressure Main Line Piping and Fittings: Pipe sizes two (2) Inches or larger shall be P.V.C. Class 315 solvent weld type. Q. Pressure Main Line Piping and Fittings: Pipe sizes smaller than two (2) inches shall be Scheduled 40 P.V.C. R. Sleeves or conduit lines: Shall be Installed under all paving (asphalt concrete or concrete); shall be P.V.C. Schedule 40; shall be two times diameter of the pipe enclosed; shall be installed under paving a minimum 24 Inches depth; shall have �L ± PH7Pl1ahU1c: NeSTn7.Et1FiRa4e,.e9LC8AAa6Nlni.f2aDo4rSSnCtiraAee9Pt2E870 . 1r. 0 �, ..�: 1 M MM ,I+� 00 - 11 4� separate sleeves for control wire, pressure mainline and non -pressure lateral Control wire sleeve size shall be as required to allow ample room for any futh wire installation. (Twice the diameter of the wires to be sleeved, 1" diameter minimum sized sleeve). Main line shall have a tracing wire for future locating a plastic box at finish grade housing the tracing wire. E. All pipe fittings shall conform to specific requirements as follows: 1. P.V.C. (Solvent Weld) a. Reclaimed Purple Pipe: Manufactured from virgin polyvinyl chloride compound in accordance with ASTM D 1784 or ASTM D 2241, cell classification 12454B, hydrostatic design stress rating not less than two thousand (2,000) p.sA. b. Fittings (solvent weld or thread): Standard weight, Schedule 40, side gated, injected molded P.V.C. complying with ASTM D 1784. cell classification 13454B, including threads when required. 2. P.V.C. nipples shall be scheduled 80 with molded threads. 3. All P.V.C. pipe must bear the following markings: a. Manufacturers name b. Nominal pipe size c. Schedule or class d. Pressure rating In A.S.T. (not required on drip tubing) e. NSF (National Sanitation Foundation) approval (not required on drip tubing) f. Date of extrusion 4. Brass Pipe & Fittings: a. Brass pipe shall be eighty-five (85) percent red brass, American National Standard Institute (ANSI), Schedule 40 screwed pipe. b. Fittings shall be medium brass, screwed 125-pound class. 5. Solvent cement and primer for P.V.C. solvent -weld pipe and fittings shall be of type and Installation method prescribed by the manufacturer. 6. Where called for on drawings, pipe shall be bell end, conforming to ASTM D-2672. Install concrete thrust blocks as recommended in Johns-Monvale Installation guide no. TR-624, where conditions dictate. 2.03 ELECTRIC (HIGH VOLTAGE)/ METER ENCLOSURE A. All high voltage electrical service required for automatic controller and othi equipment noted on drawing for Irrigation system will be provided by Contract B. Enclosure and irrigation controller to be purchased form the approved cant shown on the plans or the Construction specifications Provide approved type enclosure for meter, similar to that manufactured by V.I.P. Strong Box as spe on drawing. Enclosure shall be of adequate size to house automatic controller specified on drawing. Enclosure shall be stainless steel, minimum twelve (12) gauge in thickness. Exterior covers to be minimum fourteen (14) gauge steel shall have padlocking provisions. All factory Installed components shall be U.L listed. All factory installed conductors shall be copper, size and type conform NEC and U.L. requirements. Enclosure shall be furnished with a detachable sut with one-half (2) Inch diameter bolts. Mounting bolts shall consist of one (1) zinc chromate primer and two (2) coats baked enamel paint. C. Electrical equipment installed outside building shall be NEMA 4 type. D. Pump starter. Provide flow switch of type as noted on drawing and tonnes time delay switch and magnetic starter. E. All connections between electrical services and equipment shall be In rigid galvanized electrical conduit, with conduit and wiring size as required. 2.04 ELECTRICAL (LOW VOLTAGE) A. Connections between controller and remote -control valves shall be made w direct burial A WG-UF, 600-volt wire, insulation thickness three -sixty-fourths (3/64) Inch, utilizing low density high molecular weight polyethylene Insulation. B. Splices, where permitted, shall be waterproofed using Rain Bird, Pen-Tlte Connectors or fusible heat shrinking tubing, and housed In a box. Boxes for c Irrigation use may be utilized for this purpose. C. Wire sizing shall be a minimum of #14 "UF" 600- volt underground wiring, t shielded cable is used In which case #18 wire may be used. Common wire to white in color, and all others a different color. Electrical control wire shall be AEF 14 AWG Type UP 600 volt (U.L) direct bui The wire shall be bundled, taped every ten (10) linear feet, placed adjacent tr main line. An eighteen (18") Inch expansion loop will be provided for every chi of direction greater than 45E. The common wire shall be white, and the valve control wires shall be black ai marked with numbered tags at both ends to identify the valve zones and con The control wire shall be installed at a depth of 18" minimum below finish gn and sidewalk and sleeved 24" minimum below hard surfaces (i.e. driveways, parking lots, and 36'for streets) and backfilled with grey sand. At each elects control valve an expansion coil of twenty-four (24') inches minimum per wire be provided. The coil can be achieved by tolling (winding) the wire around a I of 3/4 PVC pipe. At the controller pedestal, each control wire shall be twenty A. Three (3) Inches and smaller (unless otherwise noted on Drawings): ASTM B-62 brass body, 150-pound saturated steam rated; with screwed joints; non -rising stem; screwed bonnet, solid disc. Provide with hand wheel. B. Four (4) inches and larger (unless otherwise noted on Drawings): ASTM A126 Class B, iron body 150-pound w.o.g. with flanged joints, non -rising stem, bolted bonnet, and double disc. Provide with hand wheel. C. Gate valves shall be NIBCO or Hammond brands or approved equal. 2.06 QUICK COUPLING VALVES A. Brass body, 150-pound class, with three -fourths (3/4) inch female threads opening at base, permitting operation with a special connecting device (coupler) designed for this purpose. [Rain Bird ]R33DNP or equal]. 1. Coupler threads: lug type 2. Hinge cover: Provide with rubber -like vinyl cover. B. Quick coupler(s) shall be installed within a ten (10) inch round lockable plastic valve box placed a maximum of 15a lineal feet apart. C. Quick coupler(s) shall be supported with a SCH 40 PVC pipe stake or equal of Contact: Imperial Sprinkler Supply Phone 1T (714) 696-7535 2.09 REMOTE CONTROL VALVES A. Valve type: spring -loaded, pack less diaphragm activated, normally closed type with brass body, equipped with flow control and pressure regulation. Electric valves shall be Rain Bird with pressure regulator capabilities or approved equal. B. Valve solenoid: 24-volt a.c. 4.5 watt maximum, 500 mili-amp maximum surge, corrosion -proof, stainless steel construction, epoxy encapsulated to form a single Integral unit. C. Provide bleeder wive to permit operation in the field without power at the controller. D. Valves shall be installed a minimum of six (6) feet from all fixed objects and twentyfour (24) inches apart. [One (1) wive per box; wive boxes shall be installed minimum of twelve (24) inches apart} E. Valves shall not be installed in a manifold configuration unless otherwise noted of approved plans. G. Valves for planted annual color beds shall be on a separate valve F. FLOMEC Flow sensors that detect flow conditions created by system damage or malfunction are required for all on non-residential landscapes, residential landscapes of 5000 sq. ft. or larger, and CFD'a and must be connected to the controller. See Std Dwg# 5010 for details H. To greatly reduce any water loss due to a leaking station valve. Rain bird, master shut-off valves are required to be installed at the irrigation supply point which controls water flow Into the Irrigation system and must be connected to the controller. See Std Dwg# 5010 for details 2.10 SMALL LAWN SPRINKLER HEADS -RAIN BIRD 1800 A. Sprinklers shall be similar in all respects to type noted in legend on drawing. B. Nozzle shall rise a minimum of 6 inches. C. All sprinkler bodies or nozzles shall be equipped with a built-in check valve for eliminating low head drainage. D. The sprinkler heads shall be attached to the lateral lines via a triple swing assembly. 2.11 SMALL SHRUBBERY SPRINKLER HEADS -RAIN BIRD 1800 A. Sprinklers shall be similar in all respects to type noted on drawing. 2.12 ROTARY SPRINKLER HEADS Rain Bird Falcon 5000 A. Type: gear driven, with pop-up sprinkler heads equipped with built-in check valve B. Part circle heads shall have variable arc setting. C. Rotary sprinkler heads shall be attached to the lateral lines via a triple swing assembly. 2.13 VALVE BOXES A. Carson Brand Valve boxes shall be fabricated from a durable plastic material resistant to weather, sunlight and chemical action of soils with Purple covers. B. Remote control wive and flow sensor boxes shall be Purple rectangular lockable plastic boxes (12" x 18") AMETEK or approved equal, with hinged snap covers. C. Gate valve boxes shall be Purple ten (10) inch round lockable plastic boxes with exterior as required to properly protect valve, AMETEK or approved equal. 2.14 TREE IRRIGATORS (DRIP/6UBBLERS) A. Provide assemblies as indicated on drawings, including vents. 2.15 PUMPS (All Pumps to be Variable Speed) A. Provide pump with capacity and total dynamic head as noted on drawing. B. Booster package shall be mounted on a common steel base with all interconnecting piping and wiring completed prior to shipment. C. Booster station shall be complete with a flange, suction and discharges. Bronze fitted dose coupled centrifugal pump with HP, voltage, and cycle as noted on drawing. Unit to be completed with a Simplex UL listed control panel in NEMA 3 weather proof enclosure with magnetic starter. Fusible disconnect switch, HOA selector switch, control transformer, and relays as required. D. Booster pump station shall be completely enclosed in a 14 gauge enclosure, of a size to fit pump, fittings, and control panel as shown in detail. If not stainless stee the unit will be painted with two coats of Rust-o-leum, HUNTER green color. Mechanical hinges shall be installed for support of lid. E. Pumps shall be controlled by the following: 1. Pressure switch with minimum run timer mounted inside electrical panel with two contact points Mercoid DP Series. 2. Flow switch. F. The pump shall be equipped with the following additional controls: 1. Low suction pressure shut down. 2. High discharge pressure shut down. G. Retain a factory -trained representative to check installation and perform start-u services, including adjustment of all equipment. 2.16 RAIN BIRD XF SERIES DRIP IRRIGATION A. Provide all labor, materials, supplies, equipment, tools, and transportation, and perform all operations in connection with and reasonably incidental to the complete installation of the XF SERIES drip irrigation system that is applicable to the applical shown on the drawings, the installation details, and as specified within the manufaci requirements and specifications for the applicable applications for the type of drip a chosen. PART 3 - EXECUTION 3.01 SITE CONDITIONS A. All scaled dimensions are approximate. The Contractor shall check and verify all size dimensions and receive Agency's Authorized Representative's approval prior to proceeding with work under this section. B. USA/DIg Alert (1-800-422-4133) shall be contacted, and all utility lines marked a. Pre -Construction Meeting - five (5) days. b. Pressure supply line installation, sleeves and testing - seventy-two (72) hours. c. Control wire installation and sleeves - seventy-two (72) hours. d. Lateral line, sleeves and sprinkler installation - seventy-two (72) hours. g. Final site review - five (5) days. 2. When observations have been conducted by other than the Agency's Authorized Representative, show evidence In writing and photos of when and by whom these observations were made. 3. At all times maintain a current and updated set of plans on the job site. No site observations will commence without record drawings. In the event the Contractor calls for a site visit without preparing the system for sold visit, he shall be responsible for reimbursing the Agency's Authorized Representative at his current billing rates per hour, portal to portal, (plus transportation costs) for inconvenience. No further site visits will be scheduled until this charge has been paid and received. C. Physical Layout 1. All piping or equipment shown diagrammatically on drawings outside planting areas shall be installed Inside planting area whenever possible and to exact dimensions as noted in construction details. 3.03 INSTALLATION A. General: 1. All plastic pipe and fittings shall be Installed in complete accord with manufacturer Instructions for same. 2. If gasket type pipe and/or any pipe is larger than two and one half (2-1/2) inches is used, provide concrete thrust blocks at each change of direction and at terminal points of all rubber gasket piping. Block in accord with pipe manufacturer's instructions. 3. Line Clearance: All lines shall have a minimum clearance of six (6) inche from each other and from lines of other trades. Parallel lines shall not be installed directly over one another. B. Trenching: 1. Depth of trenches shall be sufficient to provide a minimum cover above top of the pipe as follows: a. Fourteen (14) Inches over non -pressure rotor pop-up lines (minimum). b. Twelve (12) inches over non -pressure lateral lines (minimum). c. Eighteen (18) Inches over potable sprinkler mainline. d. Twenty-four (24) inches cover minimum over pipe serving a drinking fountain or pressure sprinkler mainline three (3) inches and larger. e. Where pipe and/or control wiring crosses under paving, It shall be sleeved separately twenty-four (24) inches below sub grade. All crossings shall have trace wires and 3`Letters IX for irrigation crossing etched on the curb as well as an 8"round box with the tracing wire coiled in the box. Location to be approved by the City Inspector. f. Surplus earth remaining after backfilling shall be disposed of on/off the premises as directed by the Agency. g. Eighteen (18) inches cover over control wires (minimum). 2. Trench bottom shall be flat to ensure piping is supported continuously ai an even grade with 3"sand bedding. 3. Where lines occur under paved areas, consider dimension to be below the subgrade. 4. Excavate trenches to required depths. Follow approved layout for each system. C. Backflling: 1. Burled pipe In trenches shall be center loaded only until all required test: are performed. Trenches shall be carefully backfilled with the excavated materials approved for backfilling, consisting of earth, loam, sandy clay, sand, or other approved materials, free from large clods of earth or atones Backfill shall be mechanically compacted in landscaped areas to a dry density equal to adjacent undisturbed soil in planting areas. Backfill will conform to adjacent grades without dips, sunken areas, humps or other surface Irregularities. 2. A fine granular material backfill will be Initially placed on all lines. No foreign matter larger than one half (2) Inch In size will be permitted in the initial 6" of backfill measured from the top of the pipe. Two (2) inch rock screening of backfill material is acceptable. 3. Flooding of trenches will be permitted only with approval of the Agency's driving. Any cutting or breaking of sidewalks and/or concrete necessary shall be performed by the Contractor, and paving replaced in kind as a par of the contract cost. Permission to cut or break sidewalks and/or concrete shall be obtained from the Agency's Authorized Representative. No hydraulic driving will be permitted under asphaltic concrete paving. 3. Coordinate Installation of sleeves for piping and wires under paved areas with General Contractor. 4. The Installing contractor will Install sleeves for future installation of water lines and wires unless otherwise noted. E. Assemblies: 1. Routing of sprinkler irrigation lines as indicated on the drawings is diagrammatic. Install lines (and various assemblies) in such a manner as to conform to the details per plans. 2. Install NO multiple assemblies in plastic lines. Provide each assembly witf Its own outlet. 3. Install all assemblies specified herein in accordance with respective detail In absence of detail drawings or specification pertaining to specific Items required to complete work, perform such work in accordance with best standard practice, with prior approval from Agency's Authorized Representative. 4. P.V.C. pipe and fittings shall be thoroughly cleaned of dirt, dust and moisture before Installation. Installation and solvent welding methods shall be as recommended by the pipe and fitting manufacturer. 5. On P.V.C. to metal connections, the Contractor shall work the metal connections first. Teflon tape or approved equal shall be used on all threaded P.V.C. to P.V.C., and on all threaded P.V.C. to metal joints. Light wrench pressure is all that is required. Where threaded P.V.C. connections are required, use the threaded P.V.C. adapters into which the pipe may be welded. 6. Quick coupling wives: Unless otherwise indicated, locate valves within twelve (12) Inches of hardscape. 7. Install backflow assemblies in shrub areas at minimum height permitted local codes, unless otherwise approved. B. All major equipment shall be verified for exact location with the Agencya Authorized Representative. F. Automatic Controller. 1. Install as per manufacturers instructions. Remote control valves shall be connected to controller in numerical sequence as shown on drawings. 2. Controller shall be mounted Inside the electrical pedestal. G. Flushing System: 1. After all new sprinkler pipe lines and risers are In place and connected, necessary diversion work has been completed, and prior to installation of sprinkler heads, the control wives shall be opened, and full head of water used to flush out the system. 2. Sprinkler heads shall be installed only after flushing of the system has b accomplished to the complete satisfaction of the Agency's Authorized 2. Fill area under box with a minimum of three (3) cubic feet of three -fourths (3/4) inch gravel before box is installed. 3. Identification tags shall be attached to each remote -control valve, showing number that corresponds with controller sequence. Tags shall be manufactured of polyurethane Behr Desopoid, purple in color with black letters two and three -fourths (2-3/4) inches by two and one -forth (2-1/4) inches. 4. Brand valve box covers in four (4) inch high numbers that corresponds to sequencing shown on drawings. J. Electrical Supply 1. 220-volt electrical service for pump shall be provided for by Contractor. 2. Low voltage wiring shall be placed In the some trench and along side of main lines unless otherwise approved. 3. When more than one wire is placed in a trench, tape wires together at a maximum ten (10) feet on center. 4. Provide an eighteen (18) inch expansion loop at each directional change, and a twenty-four (24) inch coil at each connection. 5. Use a continuous wire between controller and remote -control valves. Except as otherwise approved, do not splice at any point. All approved splices shall be enclosed in an acceptable box. 6. Each controller shall be provided with separate ground wire. SHOULD CONSTRUCTION OF THE REQUIRED Q,P,ND8Q1 IMPROVEMENTS NOT COMMENCE WITHIN TWO ���� e9 YEARS OF THE DATE OF APPROVAL SHOWN HEREON AND CARRIED FORTH IN A DILIGENT MANNER, THE M Q CITY ENGINEER MAY REQUIRE REVISIONS TO THE is 1/31/2023 PLANS TO BRING THEM INTO CONFORMANCE WITH �T, oFocauF°��\e STANDARDS IN EFFECT. DESIGNED BY: Thonws Hoy. DATE: 11.15.22 1 CHECKED BY: K. Control Hires: 1. All electrical equipment and wiring shall comply with local and state codes and be installed by those skilled and licensed in the trade. Unless the governing code specifies otherwise, low voltage control wire may be Installed by the sprinkler Irrigation Contractor. 2. Connecting and splicing of wire at the valves shall be made using Pen-Tite Connectors, Scotch-Lok, or approved equal. No other splices will be allowed. 3. Tape all control wire to the side of all mains at ten (10) foot intervals. 3.04 FIELD QUALITY CONTROL A. Adjustment of the System: 1, The Contractor shall adjust all sprinkler heads and valves for optimum performance and to prevent as much as possible any oversproy onto walks and roadways. No spray is permitted on buildings. 2. If It Is determined that adjustments in the Irrigation equipment will provide proper and more adequate coverage, the Contractor shall make such adjustments prior to planting. Adjustments may include changes in nozzle sizes, trajectory of spray or degrees of arc, as required. 3. All sprinkler heads shall be set perpendicular to finished grades unless otherwise designated on the plans and at height and distance from walks, buildings, etc., as noted. B. The Contractor is responsible for protecting all existing landscaping. Any existing landscaping removed shall be properly replaced, including any sod. C. Testing of Irrigation System: 1. Test all pressure lines under hydrostatic pressure at one hundred fifty (150)pounds per square Inch or fifty (5D) pounds per square Inch more than the normal static pressure (whichever is greater) and prove watertight. Note: This test must be performed prior to paving and must hold pressure on a pressure gauge for three (3) hours. 2. Testing of pressure main lines occur prior to Installation of electrical control valves, quick couplers or any other equipment that might prevent a proper test from being performed. 3. All piping under paved main lines shall be tested under hydrostatic pressure of one hundred fifty (150) pounds per square Inch or fifty (50) pounds per square Inch more than normal static pressure (whichever is greater) and proved watertight. Note: This test must be performed prior to paving and must hold pressure on a pressure gauge for three (3) hours. 4. Sustain pressure in lines for not less than three (3) hours. If leaks develop, replace joints and repeat test until entire system is proved watertight. 5. 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 been inspected, tested and approved in writing. 6. Furnish necessary pressure force pump and all other test equipment. 7. When the sprinkler Irrigation system is completed, perform a coverage test in the presence 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. 8. Upon completion of each phase of work entire system shall be tested and P P P )B adjusted to meet site requirements. 9. Low voltage wiring under paving shall be tested for continuity, prior to paving when over fifty (50) feet. 10. No planting of trees, shrubs, ground cover or turf shall be installed prior to approval of the Irrigation coverage test by the Agency's Authorized Representative. 3.05 MAINTENANCE A. The entire sprinkler irrigation system shall be under fully automatic operation for a period of seven days prior to any planting. B. The Agency's Authorized Representative reserves the right to waive or person or persons so trained to the Agency's Authorized Representative. 3.08 EXISTING TREES A. When it is necessary to excavate adjacent to existing trees, use all possible care to avoid injury to tree trunk, branches and tree roots. Excavation In areas where two (2) inch and larger roots occur shall be by hand. All roots two (2) Inches and larger In diameter shall be tunnel under and shall be heavily wrapped with burlap, to prevent scarring or excessive drying. Where a ditching machine Is run close to trees having smaller than two (2) inches in diameter, the wall of the trench adjacen the tree shall be hand trimmed, making clean cuts. Roots one (1) Inch larger In diameter shall be painted with two (2) coats of Tree Seal, or approved equivalent. Trenches adjacent to tree should be backfilled with! twenty-four (24) hours. Where this is not possible, the side of the tren adjacent to the tree shall be kept shaded with burlap or canvas. CITY OF FONTANA, CALIFORNIA Citrus and Slaver Ave Street Improvements Specifications DATE 1 10 MNowmbx 151h, Y022 APPROVED BY: 01 `16/2023 rgaray FOR DRAWING NO.: GIA LAM KIM CiTY ENGINEER RCE 62296 DATE 6277