|
L7.2
<br />Landscape
<br />Specifications
<br />Checked By:
<br />Drawn By:
<br />Project No.:
<br />LDA Partners, Inc.
<br />Designers & Architects
<br />222 Central Court
<br />Stockton, CA 95204
<br />209.943.0405
<br />www.ldapartners.com
<br />Client:
<br />Architect:
<br />Project:
<br />450 COMMERCE COURT
<br />MANTECA, CA 95336
<br />11/13/2020 3:11:00 PMRSH
<br />RSH
<br />18-077 (SHLA 19-008)
<br />PERMIT SUBMITTAL
<br />06.02.2021
<br />MACHADO SPORTS COMPLEX
<br />1020 MARSH CREEK
<br />EBMA INVESTMENTS
<br />MANTECA, CA, 95336
<br />No.Description Date By
<br />S a m H a r n e d
<br />L a n d s c a p e
<br />A r c h i t e c t u r e
<br />P O B o x 2 2 7 5
<br />O a k d a l e , C A 9 5 3 6 1
<br />w w w .h a r n e d l a .c o m
<br />2 0 9 -3 8 0 -7 3 7 6
<br />07 June 2021
<br />IRRIGATION SPECIFICATIONS
<br />PART ONE - GENERAL
<br />1.01 REGULATORY COMPLIANCE: Comply with all requirements of the following:
<br />A.Water Efficient Landscape Ordinance California Code of Regulations Title 23, Division 2, Chapter 2.7 § 490 - 494 ("WELO"
<br />or the "Ordinance")
<br />B.Governing municipality's standards, latest edition.
<br />1.02 DEFINITIONS:
<br />A.Mainline: Pipe from backflow prevention device to zone valves.
<br />B.Lateral Line: Pipe downstream of zone valve.
<br />C.Shrub Bubbler/Emitter Zone Lateral: Lateral line symbol indicated portion or lateral run from which bubbler/drip distribution
<br />lines are run.
<br />D.Bubbler/Drip Distribution Line: Lines from shrub bubbler/emitter zone lateral to bubbler or emitter locations. Not graphically
<br />shown on plan. See detail for schematic routing.
<br />E.Extra Control Wire: Control wire that is intended for a future valve.
<br />F.Spare Control Wire: Control wire that is intended as a backup in case of faults or unknown conditions.
<br />1.03 SYSTEM DESCRIPTION
<br />A.Contractor shall provide and install a complete irrigation system in conformance with the intent of the Drawings and
<br />Specifications. System shall provide 100% coverage to all planted areas.
<br />1.04 SUBMITTALS
<br />A.Submit product data for all materials to be incorporated into the project as part of this work.
<br />B.Submit samples of products as requested.
<br />C.Submit proposed substitutions prior to start of any irrigation or planting work.
<br />1.05 PROJECT RECORD DOCUMENTS
<br />A.Accurately record actual locations of piping system, valves, controllers, control wire, backflow prevention assemblies and
<br />other equipment of the completed system.
<br />B.Draft "as-built" conditions on Owner-provided reproducible or in CAD drawing file. Locate each component with dimensions
<br />from 2 different permanent surface objects.
<br />1.06 OPERATION AND MAINTENANCE DATA
<br />A.Provide instructions for operation and maintenance of system and controls, seasonal activation and shutdown, and
<br />manufacturer's parts catalog of all components.
<br />B.Color Coded Schematic Reference Plan:
<br />1.Prepare a color coded schematic reference plan of the system that clearly differentiates individual zones using color coding
<br />for different zones.
<br />2.The plan shall delineate the valve, piping, and heads in color. Use a minimum of 5 distinct colors and more if necessary to
<br />clearly differentiate zones from one another.
<br />3.Provide 11”x17” set of color-coded schematic with each sheet laminated with plastic front and back and bind one end with a
<br />spiral binder that allows each sheet to open and fold back under following sheet such that the set will lie flat.
<br />1.07 FIELD MEASUREMENTS
<br />A.Verify in the field that dimensions are as shown on Drawings and as required for installation. Adjust layout as required by
<br />each individual lot for which typical designs are applied. Confirm adjustments with Landscape Architect.
<br />B.Notify Landscape Architect of discrepancies between actual field conditions and the Drawings.
<br />C.Contractor shall not intentionally install any part of the irrigation system as shown on the Drawings when it is obvious that
<br />field conditions such as obstructions, grade differences, or dimensional discrepancies might not have been considered in the
<br />design of the system. No work affected by discrepancies between actual field conditions and what is shown on the Drawings
<br />shall be executed until direction is provided by the Landscape Architect. Contractor shall assume responsibility for revisions to
<br />work if contractor executes work in areas of concern prior to receiving direction from the Landscape Architect.
<br />1.08 MAINTENANCE
<br />A.Contractor shall maintain system during the Plant Establishment Period.
<br />1.09 WARRANTY
<br />A.Warranty Period: A period of one year beginning with Final Acceptance.
<br />B.Contractor shall warrant that the sprinkler irrigation system is free from defects in materials and workmanship, and the work
<br />has been completed in accordance with the drawings, specifications and approved changes. Contractor shall repair or replace
<br />any defects in material or workmanship that may develop during the Warranty Period.
<br />PART TWO - PRODUCTS
<br />2.01 PVC PIPE AND FITTINGS MATERIALS
<br />A.PVC Materials: ASTM D1784, Type I Polyvinyl chloride plastic (PVC), cell classification 12454-B.
<br />B.Class 200 PVC Pipe: ASTM D2241 listed with NSF-PW Standard 61 and Standard 14.
<br />C.Class 315 PVC Pipe: ASTM D2241 listed with NSF-PW Standard 61 and Standard 14.
<br />D.Schedule 40 PVC Pipe: ASTM D1785 listed with NSF-PW Standard 61 and Standard 14.
<br />E.Flexible PVC Pipe: Agricultural Products Inc. 1174AG, Heavy Wall IPS Flex Vinyl (PVC) Pipe (C).
<br />F.PVC, Schedule 40 Socket Fittings: ASTM D2466 listed with NSF-PW Standard 61 and Standard 14.
<br />G.PVC, Schedule 80 Socket Fittings: ASTM D2467 and listed with NSF-PW Standard 61 and Standard 14.
<br />H.PVC, Schedule 80 Threaded Fittings: ASTM D2464 and listed with NSF-PW Standard 61 and Standard 14.
<br />I.Gasket Joints: Comply with ASTM F477 and ASTM D3139
<br />2.02 Steel Pipe and Fittings
<br />A.Galvanized Pipe: Standard weight Schedule 40. Comply with ASTM A53.
<br />B.Steel Pipe Nipples: ASTM A 733, made of ASTM A 53/A 53M or ASTM A 106, Schedule 40, galvanized, seamless steel
<br />pipe with threaded ends.
<br />C.Malleable-Iron Unions: ASME B16.39, Class 150, hexagonal-stock body with ball-and-socket, metal-to-metal, bronze
<br />seating surface, and female threaded ends.
<br />D.Gray-Iron Threaded Fittings: ASME B16.4, Class 125, galvanized, standard pattern.
<br />E.Cast-Iron Flanges: ASME B16.1, Class 125.
<br />F.Cast-Iron Flanged Fittings: ASME B16.1, Class 125, galvanized.
<br />G.Galvanized Fittings: 150lbs. malleable iron, threaded. Comply with ASTM A53
<br />2.03 PIPE SCHEDULE
<br />A.Water Service: Conform to City requirements.
<br />B.Equipment Assemblies: Per referenced details and Standard Specifications.
<br />C.Irrigation Mainline: As specified on the Drawings
<br />D.Lateral Lines: As specified on the Drawings
<br />E.Sleeves: Schedule 40 PVC conforming to ASTM D1785, solvent weld joints. Inside diameter shall be a minimum of twice
<br />the outside diameter of pipe for which it is used. Size sleeves to facilitate ease of pipe installation.
<br />F.Fittings: Schedule 40 PVC unless otherwise indicated.
<br />2.04 EQUIPMENT
<br />A.Automatic Control Valves: As specified on the Drawings.
<br />B.Ball Valves: True Union 2000 Industrial Ball Valves, T x T
<br />C.Gate/Isolation Valves: As specified on the Drawings.
<br />D.Automatic Controllers: As specified on the Drawings.
<br />2.05 ACCESSORIES
<br />A.Control Wire for Conventional Controller: Copper, UL rated for direct burial, Type UF. Conform to NEC. Common shall be
<br />white and pilot wire shall be red. Spare control wires shall be of a different color approved by the Landscape Architect.
<br />1.Pilot Wire: 14 Gauge
<br />2.Common Wire: 12 Gauge
<br />3.See Two-wire Control System notes for wire requirements for two-wire system.
<br />B.Control Wire Connectors: DBRY-6 waterproof wire connectors.
<br />C.Valve Boxes: As specified on the Drawings and below. Provide extensions by same manufacturer as required and heat
<br />stamp cover with identification of equipment or valve and controller number as applicable. Verify sizes are sufficient to
<br />completely house valves and unions as necessary to facilitate removal with valve box in place. Use concrete vehicle traffic
<br />rated boxes of appropriate size when located in road shoulder.
<br />1.Isolation Valves: Carson 1220 with T-cover and Bolt Down Loc-Kit, green.
<br />2.Master Valve: Carson 1324 with T-cover and Bolt Down Loc-Kit, green.
<br />3.Flow Sensor: Carson 1220 with T-cover and Bolt Down Loc-Kit, green.
<br />4.Remote Control Valves: Carson valve box with T-cover and Bolt Down Loc-Kit, green. Size as required by valve
<br />configuration. All unions, ball valves, filters, and pressure regulators must fit in box with sufficient room for removal.
<br />5.Quick Couplers: Carson 910 with T-cover and Bolt Down Loc-Kit, green
<br />D.Primer: Weldon P-70 PVC, IAMPO-UPC and NSF listed.
<br />E.Cement (solvent):
<br />1.Comply with ASTM D2564, IAMPO-UPC and NSF listed. Compatible with pipe being joined and job site conditions.
<br />2.Flexible PVC to Schedule 40 PVC Fittings, use cement specifically approved for flexible PVC.
<br />F.Galvanized Pipe Paint: Carbon elastic Paint No. 2221 by American Tar Company or equal.
<br />2.06 IRRIGATION HEADS AND EMITTERS
<br />A.As specified on Drawings.
<br />PART THREE - EXECUTION
<br />3.01 EXAMINATION
<br />A.Verify that field conditions are acceptable and are ready to receive work.
<br />B.Verify location of underground utilities and facilities. Drawings may show utilities in some locations but do not necessarily
<br />represent all underground utilities and facilities. Field verify locations prior to start of Work.
<br />C.Verify that required utilities are available, in proper location, and ready for use.
<br />D.Verify locations of existing sleeves. Notify Landscape Architect of discrepancies in existing sleeve locations and system
<br />requirements.
<br />E.Beginning of installation shall signify Contractor's acceptance of existing conditions.
<br />F.Verify existing pressure prior to start of Work
<br />3.02 PREPARATION
<br />A.Call Underground Service Alert 48 hrs prior to start of work. Field mark underground utilities prior to excavation. Make
<br />provisions to protect underground utilities and facilities.
<br />B.Piping layout indicated is diagrammatic only. Route piping to avoid utilities, structures, proposed plantings, and as directed.
<br />Locate in planter areas wherever possible.
<br />C.Layout and stake locations of system components for review by Landscape Architect.
<br />3.03 TRENCHING
<br />A.Minimum Trench Width: As required to provide a minimum 3 inches clearance between adjacent piping and trench walls.
<br />B.Minimum Trench Depths:
<br />1.Mainline: 24” cover in planters and 30” cover under paving
<br />2.Lateral Lines: 18” cover in planters and 18” cover under paving.
<br />3.Bubbler Distribution Lines: 6” cover in planters. Do not install under areas to be paved.
<br />C.Trench to accommodate grade changes and slope to drains.
<br />D.Maintain trenches free of debris, material, and obstructions that may damage pipe.
<br />3.04 PIPE INSTALLATION
<br />A.General
<br />1.Comply with manufacturer's printed instructions and recognized industry standards.
<br />2.Pipe and equipment installed in trenches shall be fully supported by approved trench foundation material. Do not stack pipe.
<br />3.Pipe and equipment installed above grade shall be properly and securely anchored and supported by approved devices and
<br />means.
<br />4.Pipe under paved areas shall be installed in PVC pipe sleeves
<br />B.PVC, Solvent-Cement Welded Joints: Comply with ASTM D2855 and ASTM F402
<br />C.Threaded Joints: Use teflon tape. Hand tighten and use only light wrench pressure as required to produce sound, water
<br />tight joint.
<br />D.Galvanized Pipe:
<br />1.Comply with industry standards.
<br />2.Paint all below grade galvanized pipe with specified galvanized pipe paint.
<br />E.Bubbler Distribution Line:
<br />1.Comply with manufacturer's printed instruction and specifications.
<br />2.Layout pipe in orderly manner and as required to provide emitters or bubblers to each plant within the irrigated zone. Field
<br />mark example typical layout for review by Landscape Architect prior to installation of system.
<br />3.05 EQUIPMENT INSTALLATION
<br />A.Automatic Control Valves:
<br />1.Comply with referenced details and manufacturer recommendations.
<br />2.Install valve risers plumb true and square to adjacent construction.
<br />3.Flush mainline of all debris before installing valves.
<br />B.Controller:
<br />1.Comply with referenced details and manufacturer recommendations.
<br />2.Install wall-mounted controllers by approved means. Submit shop drawing.
<br />3.Install and wire in conformance with manufacturer's published instructions and specifications
<br />4.Wire only one valve per station.
<br />5.Make connection to electrical supply. Conform to applicable regulations and codes. All electrical work shall be performed
<br />by properly licensed electricians
<br />C.Remote Control Valve Control Wiring for Conventional Controllers. See Two-Wire Control System notes for wiring
<br />requirements for Two-wire systems:
<br />1.Comply with applicable requirements of Standard Specifications.
<br />2.Above grade wire shall be installed in approved conduit. Extend conduit to the full required depth of cover. Transition from
<br />vertical to horizontal alignment shall be made with a sweep elbow.
<br />3.Install in sleeve when under paved areas. Sleeve shall be sized so that no more than 40% of its cross-sectional area is
<br />filled.
<br />4.Bundle wires with electrical tape.
<br />5.Run a separate pilot wire to each control valve.
<br />6.Run a separate common ground for each controller.
<br />7.Make splices in valve boxes only. Use specified connectors. Provide a 36 inch loop at each valve.
<br />8.Install extra control wire for future valves, if any, where indicated on the Drawings. Extra control wire quantities are
<br />cumulative. Extra control wires shall not be used as spares without approval.
<br />9.Install 2 spare control wires to the furthest valve location
<br />D.Sensor Installations:
<br />1.Mount by approved means only.
<br />2.Firmly and securely attach to structure, building, or pole where indicated on plans and approved in the field. Provide
<br />mounting arms and all required mounting hardware as appropriate for each sensor.
<br />3.Run required control wires in Schedule 80 PVC conduit from controller to sensor. Above grade conduit shall be metal. Size
<br />as required for wire size,type, and quantity; 1" minimum.
<br />4.Field verify that the distance from the controller to the sensor unit does not exceed its operational limits based on the field
<br />determined wire routing.
<br />5.Make splices in valve boxes only. Minimize number of splices. Use only approved connectors.
<br />E.Sprinkler Heads:
<br />1.Comply with referenced details and manufacturer recommendations.
<br />2.Thoroughly flush lines before installing nozzles or emitters.
<br />3.06 BACKFILLING
<br />A.Backfill only after specified tests have been performed and Landscape Architect's acceptance has been obtained.
<br />B.Clean trenches of debris and rocks.
<br />C.Bed pipe with approved bedding sand.
<br />D.Backfill with approved granular sandy material free of rocks, sticks, debris and other deleterious material.
<br />E.Compaction
<br />1.In landscape areas match compaction of landscape area soil and as required to prevent settling.
<br />2.Under areas to be paved compact to a minimum of 95% per ASTM D1557. Meet minimum compaction requirements for
<br />pavement section.
<br />3.07 FIELD QUALITY CONTROL
<br />A.Tests: The following tests shall be performed by the Contractor and observed by the Landscape Architect. Contractor shall
<br />supply all equipment necessary for conducting tests.
<br />B.Pressure Testing: Pressure test mainlines and lateral lines as follows.
<br />1.Perform pressure tests prior to concealing fittings and valves.
<br />2.Cap all open ends.
<br />3.Mainline: Test with all gate valves open. Pressurize to full line pressure. Piping must hold this pressure for 6 continuous
<br />hours.
<br />4.Laterals, Spray Systems: Pressurize to full line pressure. Piping must hold this pressure for period of 2 continuous hours.
<br />C.Laterals, Drip System: Pressurize to maximum pressure recommended by flex pipe manufacturer based on specified joint
<br />and fitting systems. Piping must hold this pressure for 2 continuous hours.
<br />D.Coverage test: Operate system to test irrigation coverage in presence of Landscape Architect. Make adjustments to nozzle
<br />sizes, radius, degree of arc, head locations, and operating pressure as required to provide 100% coverage with distribution
<br />uniformity that meets or exceeds industry standards and all governing regulation or ordinance.
<br />E.All tests that fail will require additional testing at Contractor's expense, including Landscape Architect's time and expenses,
<br />until accepted by the Landscape Architect.
<br />3.08 INSTALLER'S FIELD SERVICES
<br />A.Prepare and start systems.
<br />B.Provide one complete spring startup and one winterization procedure. Conduct these operations with Owner's personnel
<br />present and instruct them on the required procedures.
<br />3.09 ADJUSTING
<br />A.Adjust control system to achieve time cycles required to deliver proper precipitation rates for the various planting types.
<br />Adjust sequencing of stations such that the required watering can be accomplished during the Owner-specified watering time
<br />window.
<br />B.Change head and nozzle types as directed and as required to achieve proper coverage and precipitation rates.
<br />C.Adjust heads and valve pressures as required to provide proper irrigation coverage and precipitation rates.
<br />3.10 DEMONSTRATION
<br />A.Instruct Owner's personnel in operation and maintenance of system, including adjusting of sprinkler heads. Use operation
<br />and maintenance material as basis for demonstration.
<br />3.11 MAINTENANCE
<br />A.Maintain the system during the Plant Establishment Period specified in the Planting Notes and Specifications. Make all
<br />necessary adjustments and repairs to keep the system functioning as intended.
<br />6/8/2021, 1:58:25 PM
<br />21-0396
<br />LUMEN ARCEO
|