Bid_Spec_-_90_NDW_Urban_Park_Planting_Irrigation.pdf

Schaumburg 90 NDW Urban Park

PLANTING IRRIGATION August 4, 2023 32 8400 - 1

SECTION 328400

PLANTING IRRIGATION

PART 1 GENERAL

1.1 SUMMARY DESCRIPTION OF WORK

A. Furnish all labor, materials, supplies, equipment, tools, and transportation, and perform all operations in connection with and reasonably incidental to the complete installation of the irrigation system, and guarantee / warranty as shown on the drawings, the installation details, and as specified herein. The system shall be constructed to grades and conform to areas and locations as shown on the drawings. Removal and / or restoration of existing improvements, excavation and back-fjll, and all other work in accordance with the drawings and specifications are required.

Contractor to acquire all registrations, inspections, and permits to complete the irrigation system.

B. Static pressure verification and coordination of irrigation system installation with landscape material installation.

C. Extent of irrigation system work is shown on the drawings and by provisions of this Section.

D. Sprinkler lines shown on the drawings are essentially diagrammatic. Spacing of the sprinkler heads or quick coupler valves are shown on the drawings and shall be exceeded only with the permission of the Owner’s authorized representative.

E. The irrigation system shall include a controller valve distribution system. Contractor shall furnish and install equipment as common in the industry, associated piping and incidentals as shown and specified.

F. Items of work specifically included, but not limited to are:

1. Procurement of all applicable license, permits, and fees.

2. Coordination of all utilities.

3. Connection of electrical power supply to the irrigation control system.

4. Maintenance period.

5. Sleeving for irrigation piping and wiring.

6. Record (As-Built) drawings.

G. Related Divisions and Sections:

1. Division 01

2. Division 02

3. Section 329100 – Planting Preparation

4. Section 329200 – Turf and Grasses

5. Section 329300 – Plants

6. Section 329400 – Planting Accessories

1.2 RELATED DOCUMENTS

A. Attention is directed to the Bidding and Contract Requirements, and General and Supplemental Requirements, which are hereby made a part of this Section.

1.3 SUBMITTALS

A. Materials List: At a minimum, include the following:

1. Valves (manual and electric)

2. Quick Coupler Valves

3. Sprinklers

4. Sprinkler Nozzles

5. Controller and controller related accessories (weather sensor, surge devices, et cetera.)

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6. Wire and wire related accessories (connectors, fusing devices, et cetera.)

7. Grounding \ Bonding Components

8. Pipe

9. Pipe Fittings

10. Valve Boxes

11. Swing Joints

B. Manufacturer’s Data: Submit manufacturer’s catalog cut sheets, specifications, and operating installation for the equipment mentioned above and all equipment show on the materials list.

C. Shop Drawings: If there is a change in the design, submit shop drawings for acceptance prior to commencement of work.

D. Operating and Maintenance: Submit written operating and maintenance manuals. Provide format and contents as directed by the Landscape Architect / Irrigation Consultant. Include instruction sheets and parts lists for all operating equipment.

1.4 QUALITY ASSURANCE

A. The Contractor shall maintain continuously the same competent superintendent, satisfactory to the Owner, with authority to act for them in all matters pertaining to the work. The Contractor shall coordinate their work with the other trades. This person shall speak and understand fluent English.

B. The Contractor shall confine their operations to the area to be improved and the areas allotted to them by the Owner’s representative for material and equipment storage.

C. The Contractor shall have a minimum of five-years of experience installing irrigation system of the comparable size and complexity. Provide references for five projects of similar size and complexity.

The Contractor shall also have suitable financial status to meet obligations for this project.

D. The Contractor shall have completed Baseline System product training prior to the beginning of the irrigation system installation. Provide copies of training certification.

E. The Contractor is to be a Certified Irrigation Contractor (CIC) through the Irrigation Association and hold valid certification / licensing, if required, by the State in which this work is being performed.

1.5 PREINSTALLATION MEETING

A. Preinstallation Conference: Conduct conference, if called for by the Landscape Architect / Irrigation Consultant, at a location to be determined, which shall include the Irrigation Contractor and their Superintendent, General Contractor, and Project Architects. Contractor is to provide notification of meeting 7-days prior to this meeting.

1.6 PROJECT SITE CONDITIONS

A. Property Protection

1. The Contractor shall protect and preserve all trees, plants, structures, monuments, and paved areas from damage due to work related to the installation of the irrigation system. In the event that damage does occur, all damage shall be repaired and / or replaced by the Contractor, to a satisfactory condition of the Owner, at no additional cost to the Owner. All injury to living plants shall be replaced by the Contractor.

2. Protect buildings, walks, walls, other hardscaped areas, and all other property from damage. In the event that damage does occur, all damage shall be repaired and / or replaced by the Contractor, to a satisfactory condition of the Owner, at no additional cost to the Owner.

3. Flag and barricade open ditches.

B. Existing Trees

1. All trenching or other work under the limb spread of any and all evergreens, or low branching deciduous materials shall be completed by hand or by other methods, as to prevent damage to limbs or branches.

2. When it is necessary to excavate adjacent to existing tees, use all possible care to avoid injury to trees and tree roots. Excavation in areas where two-inch and larger roots occur, shall be

PLANTING IRRIGATION August 4, 2023 32 8400 - 3 done by hand. Roots two-inches and larger in diameter, except directly in the path of pipe or conduit, shall be tunneled under and shall be heavily wrapped with burlap to prevent scarring or excessive drying. Where a trenching machine is operated close to trees having roots smaller than two-inches in diameter, the wall of the trench adjacent to the tree shall be hand trimmed, making clean cuts through roots. Trenches adjacent to trees shall be closed within 24-hours and when this is not possible, the side of trenches adjacent to trees shall be kept shaded with moistened burlap or canvas.

3. All trimming, cutting, adjustment, or modification of trees shall only occur once approved by the Landscape Architect or Owner’s representative.

C. Replacement of Curbs and Pavement

1. Where trenches and lines cross existing roadways, paths, curbing, et cetera, damage to these shall be kept to a minimum and shall be restored to original condition at no additional cost to the Owner.

D. Interruption of Existing Water Service

1. Do not interrupt water service to facilities occupied by the Owner or other unless permitted under the following conditions, and only after arranging to provide temporary water service according to requirements indicated:

a. Notify Owner and Engineer of Record no fewer than three business days in advance of proposed interruption of water service.

b. Do not proceed with interruption of water service without local written permission.

1.7 RECORD DRAWINGS AND DOCUMENTATION

A. Project Record (As-Built) Drawings

1. The Contractor is to provide the Owner a scaled drawing of the completed field “As-Built” of the system. Submitting a copy of the original bid drawings is not acceptable as an “as-built”.

2. Components of the system, but not limited to sprinkler heads, electric valves, isolation valves, quick coupler valves, all PVC / PE piping including pipe and sleeve sizes, control wire paths and splices, grounding, sleeves and sizing, decoder fusing devices, and any other installed components. All piping shall be referenced for lengths of run, change in direction, and distance and locations of all components referenced in the data collection. Decoder serial numbers and / or addresses shall be shown in relation to their assigned zones.

3. All components shall be referenced from two permanent, fixed locations within the project boundaries.

4. Contractor may utilize GNSS survey grade equipment to locate all components of the irrigation system versus utilizing manual measurement for the as-built creation.

5. Equipment shall be sub-decimeter accuracy. All mainlines and lateral lines shall be recorded as a continuous point path as the mainline / lateral lines are walked with the data collector.

6. Two final hard copies of the overall drawings, with dimensions and notes, are to be provided to the Owner once they have been approved by the Landscape Architect and / or Irrigation Consultant. Record drawings shall also be provided in electronic format as an Adobe PDF document and as in AutoCAD 2020 digital format (DWG2020) at the same scale drawings as provided to the Contractor. The DWG file cannot be created in another program and converted to AutoCAD.

7. Drawings must be formatted to allow for reproduction in black and white with all components labeled and sized in a legible way. Pipe and sleeve sizes must be labeled and the use of color to indicate pipe and / or sleeve sizes is not permitted.

8. The Contractor is to provide individual controller sequencing sheets in the same format as the original drawings and in 11-inch by 17-inch format. Both submittals shall be laminated and placed as directed by the Owners.

9. Follow all the Owner’s CAD and GIS guidelines, as well as layer management in creating the final as-built. If the Owner does not have a set guideline, follow National CAD Standard guidelines for layer naming, management, sheet setup, and block naming.

B. Documentation

1. The Contractor is to provide proof of daily field as-builts and notes with pay submittals for each

PLANTING IRRIGATION August 4, 2023 32 8400 - 4 area the pay submittal is being submitted for.

2. All daily sketches shall have the installed components for that day sketched out, with dimensions to all components, fittings, and their layout, with site measurements.

3. The Contractor shall revise as-built drawings for work accomplished that day in red ink as part of their daily as-built sketches.

4. Daily as-builts and notes will be required to be submitted in a three-ring binder and on a USB-flash drive at the end of the project.

5. Payment will not be approved if progress drawings are not submitted.

6. The Contractor is to take daily pictures of the work installed for that day, prior to any backfilling of the trench and / or in the process of filling the trench. The picture log shall be documented in order of installation and shall be assembled daily and submitted at the end of the project on a USB-flash drive. The Contractor shall use PlanGrid \ Autodesk Build, or approval equal, as a software package, so that they can drop photos on the precise GPS location the picture was recorded at and document. The Contractor is to provide a sample of the daily as-built log and picture log for approval during the first week of installation.

7. Documents shall be submitted, prior to final acceptance, for review by the Landscape Architect / Irrigation Consultant. A field review for final acceptance will not be scheduled without these documents being received.

C. Controller Timing Programming Charts

1. Contractor shall provide programming charts for the entire system prior to final approval.

2. Contractor shall not prepare the programming charts until the Landscape Architect and / or

Irrigation Consultant have reviewed the record (as-built) drawings.

3. Contractor shall provide the programming charts in both physical and electronic means.

a. Provide one physical copy at each controller location.

b. Provide electronic copies as PDFs and as an editable document (*.docx or *.elsx).

4. Following review of the charts by the Landscape Architect and / or Irrigation Consultant, the Contractor shall hermetically seal the charts that will be placed at the controller locations between two layers of 20-millimeter thick plastic sheets.

5. Charts shall be completed and reviewed prior to final acceptance of the irrigation system.

1.8 RULES AND REGULATIONS

A. Work and materials shall be in accordance with the latest edition of the Uniform Plumbing Code as published by the International Association of Plumbing and Mechanical Officials, National Electric Code as published by the National Fire Protection Association, and applicable laws and regulations of the governing authorities.

B. Contractor shall conform to the requirements of reference information listed below, except where more stringent requirements are indicated or specified in the Contractor Documents

1. American Society for Testing and Materials (ASTM) – Specifications and Test Methods specifically referenced in this Specification Section.

2. Underwriters Laboratories (UL) – UL Wires and Cables.

C. When the contractor documents call for materials or construction of a better quality or larger size than required by the above-mentioned rules and regulations, provide the quality and size required by the contact documents.

D. If quantities are provided either in these specifications or on the drawings, these quantities are provided for information only. It is the Contractor’s responsibility to determine the actual quantities of all materials, equipment, and supplies required by the project and to complete an independent estimate of quantities and wastage.

E. Contractor is to provide any and all final plan signatures that are required for irrigation design in the State or jurisdiction in which the projected is located in.

1.9 DELIVERY, STORAGE, AND HANDLING

A. Deliver irrigation system components in manufacturer’s original undamaged and unopened containers with labels intact and legible.

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B. Deliver plastic piping in bundles, packaged to provide adequate protection of the pipe ends, either threaded or plain.

C. Store and handle materials to prevent damage and deterioration.

D. Provide secure, locked storage for valves, sprinkler heads, and similar components that cannot be immediately replaced to prevent installation delays.

1.10 CODES AND STANDARDS

A. The entire installation shall fully comply with local and State laws and ordinances, and with all established codes applicable thereto. Contractor is to provide final documents with all licenses and certifications needed for the work at this location.

B. If required, Contractor shall be responsible for submitting final plans that are stamped by a licensed professional to meet local or State rules, regulations, codes, or guidelines.

C. Any permits for the installation or construction of the work including under this contractor which are required by any of the legally constituted authorizes having jurisdiction, shall be obtained and paid for by the Contractor, each at the proper time. They shall also arrange for and pay for all costs concerning any inspections and examination required by these authorities.

D. In all cases where inspection of the irrigation system work is required and / or where portions of the work are specified to be performed under the direction and inspection of the Owner’s authorized representative, the Contractor shall notify the Owner’s authorized representative at least 72-hours in advance of the time and such inspection and / or direction is required.

E. Any necessary re-excavation or alterations to the system needed because of the failure of the Contractor to have the required inspections in the opinion of the Irrigation Consultant shall be performed at the Contractor’s own expense.

1.11 TESTING

A. Notify the Irrigation Consultant at least five days in advance of testing.

B. Pipelines jointed with rubber gaskets or threaded connections bay be subjected to a pressure test at any time after partial completion of backfill. Pipelines jointed with solvent-welded PVC joints shall be allowed to cure at least 24-hours before testing.

C. Subsection of mainline pipe may be tested independently, subject to the review of the Irrigation Consultant.

D. Furnish clean, clear water, pumps, labor, fittings, and equipment necessary to conduct test or retests.

E. Volumetric Leakage Test:

1. Cap riser of mainline components for volumetric pressure tests. Backfill to prevent pipe from moving under pressure. Expose coupling and fittings.

2. Purge all air from the pipeline before test.

3. Subject mainline pipe to the anticipated operating pressure of the system. Maintain constant pressure. Test complete system under full line pressure. Pressure must be maintained with less than two-psi loss in the system for four-hours. If the system does not hold pressure, repair leaks and retest system until the system maintains pressure.

4. All necessary testing equipment shall be furnished by the Contractor

5. Cement or caulking to seal leaks is prohibited.

F. Operational Test:

1. Activate each remote-control valve in sequence from the controller. The Irrigation Consultant will visually observe operation, water application patterns, and leakage.

2. Replace defective remote-control valve, solenoid, wiring, or appurtenance to correct operational deficiencies.

3. Replace, adjust, or move water emission devices to correct operational or coverage deficiencies.

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4. Replace defective pipe, fitting, joint, valve, sprinkler, or appurtenance to correct leakage problems. Cement or caulking to seal leaks is prohibited.

5. Repeat test(s) until each lateral passes all tests. Repeat test(s), replace components, and correct deficiencies at no additional cost to the Owner.

1.12 CONSTRUCTION REVIEW

A. The purposed of on-site reviews by the Irrigation Consultant is to periodically observe the work in progress, the Contractor’s interpretation of the construction documents, and to address questions regarding the installation.

B. Scheduled review, such as those for irrigation system layout or testing, must be scheduled with the Irrigation Consultant / Owner’s Representative as required by these specifications.

C. Impromptu reviews may occur at any time during the project.

D. A review may occur at the completion of the irrigation system installation and project record (as-built) drawing submittal.

1.13 GUARANTEE / WARRANTY / REPLACEMENT

A. It shall be the Contractor’s responsibility to ensure and guarantee satisfactory operation of the entire system and workmanship and restoration of the area. The entire system shall be guaranteed to be complete and perfect in every detail for a period of one-year from the date of final acceptance, and they hereby agrees to repair or replace any such defects occurring within the one-year period, free of expense to the Owner.

B. Minor maintenance and adjustments shall be by the Owner.

C. Make repairs within seven days of notification from the Irrigation Consultant / Owner’s representative.

D. Contract documents govern replacements identically as with new work. Make replacements at no additional cost to the contract price.

E. Guarantee / Warranty applies to originally installed materials, equipment, and replacements made during the guarantee / warranty period. Equipment salvaged and re-used shall not be warranted unless the original warranty is still in effect. The workmanship shall be warranted.

F. Provide Baseline Systems ten-year warranty, filled out and signed by the appropriate entities. Final acceptance will not be granted without this document.

1.14 START-UP, SEASONAL MAINTENANCE, AND WINTERIZATION

A. Coordinate start-up of the irrigation system with the Owner’s landscape maintenance personnel.

B. Contractor shall provide seasonal maintenance of the system for the one-year period of this contract and will provide written instructions to the Owner for future service and maintenance required.

C. Contractor shall return to the site during the subsequent spring season and demonstrate to the Owner the proper procedures for start-up, operation, and proper maintenance of the system. Repair any damage caused within the warranty period, adjust pressures, and adjust nozzles at no additional costs to the Owner.

D. After completion, testing, and acceptance of the system, the Contractor will instruct the Owner’s personnel in the operation and maintenance of the system.

E. The contractor is to return to the site monthly, or as directed by the maintenance section if it requires more frequent visits, during the maintenance to complete any adjustments that may be necessary to the irrigation system. The Contractor is to coordinate closely with the landscape contractor to adjust run times as needed. The Contractor shall install six-inch risers on full-circle spray risers in planting beds as needed as the plants mature. All riser extensions shall be included in the project cost.

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F. Prepare a written report with captured pictures indicating what was modified or adjusted to the irrigation system. Provide the written report to the Owner monthly.

G. Winterization of the irrigation system shall be included in the cost of the contract for the entire length of the warranty period commencing after final acceptance. The Contractor shall complete winterization of the system within seven-days of receiving notification from the Owner that they decide the system to be winterized.

PART 2 PRODUCTS

2.1 GENERAL

A. Use materials that are new and without flaws or defects of any type, and which are the best of their class and kind. All material overages at the completion of the install are the property of the Contractor and are to be removed from the site.

1. Each major component of equipment shall have the manufacturers name, address, catalog, and serial number permanently attached in a conspicuous place.

2. The same brand or manufacturer shall be used for each specific application of valves, fittings, controls, and other equipment.

3. All materials shall be new and of the quality specified.

4. All equipment shall be listed, approved, or rated by a nationally recognized test and rating bureau of recognized manufacture’s association responsible for setting industry standard. All electrical equipment and apparatus shall be UL rated.

a. Acceptable irrigation manufactures – As indicated on the drawings or approved equal prior to bidding.

2.2 SUBSTITUTIONS

A. Equipment Substitutions

1. Whenever a piece of equipment or material is identified by a manufactures trade name, catalog number, et cetera, it is intended to establish a standard and any equipment of another manufacture which will perform adequately the requirements of design and is of equal or greater quality than the specifications in the opinion of the Irrigation Consultant will be considered equally acceptable.

2. The specifications shall permit the use of materials of any nationally recognized manufacturer so long as they are fully equal to quality and performance of the named items in the opinion of the Irrigation Consultant. Materials or equipment of other manufacturers may be used upon the following conditions:

a. Proposed substitute is equal in design, materials, construction, and performance in option of the Irrigation Consultant. No compromise in quality level or performance will be allowed.

b. Service capabilities, availability of service parts, and stability of manufacturer are adequate in the opinion of the Irrigation Consultant.

c. Contractor assumes responsibility for any modifications required for installation of substitute equipment and for accommodation of such substitution by work of other contractors. Any additional expenses on part of other contractors or Owner due to substitution of equipment shall be borne by the Contractor making such substitution.

d. Substituted equipment shall fit into space provided with adequate provisions for service and maintenance.

3. The Contractor shall use materials as specified. Materials other than specified will be permitted only after written application by the Contractor and written approval by the Irrigation Consultant prior to bidding. Substitutions will only be allowed when in the best interest of the Owner.

2.3 SLEEVING

A. Install separate sleeve beneath paved areas to route each run of irrigation pipe or wiring bundle.

1. Sleeving material beneath pedestrian pavements shall be SDR 21 Class 200 PVC pipe with solvent welded joints.

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2. Sleeving material beneath drives and streets shall be SDR 21 Class 200 PVC pipe with solvent welded joints.

3. Sleeving diameter shall be equal to twice that of the pipe being placed in it, or as indicated on the drawings. Minimum wire sleeves shall be two-inches unless otherwise indicated.

4. Sleeve pipe and wire separately.

5. All piping in sleeves shall be solvent welded. Gasketed pipe will not be allowed in the sleeve.

6. All sleeving shall have a metallic detectable warning tape, manufactured by Christy’s, model number TA.DT.3.BW, placed six-inches from the final finish grade. The tape shall be three-inches wide, blue in color, and indicated “Buried Water Below”. The tape shall be brought into and looped in all valve boxes, just below the surface, at the ends for ease of locating or terminated in valve boxes.

2.4 PIPE AND FITTINGS

A. Mainline Pipe and Fittings – PVC Pipe

1. Pipe shall be rigid, unplasticized polyvinyl chloride (PVC) 1120 pipe, National Sanitation Foundation (NSF) 61 listed pipe, extruded from compounds that meet or exceed the requirements of ASTM D1784 cell class 12454.

2. Use SDR 21, Class 200 PVC Pipe, rated at 200-psi, conforming to the dimensions and tolerances established by ASTM Standard D2241. Use PVC pipe rated at higher pressures than Class 200 in the case of small nominal diameters that are not manufactured in Class 200.

3. Provide pipe homogeneous throughout and free from visible cracks, holes, foreign materials, blisters, wrinkles, and / or debris.

4. Provide pipe continuously and permanently marked with manufacturer’s name and trademark, size, schedule, and type of pipe working pressure at 73-degree Fahrenheit, and NSF-approval.

5. Use purple primer approved by the pipe manufacturer. Solvent cement shall conform to ASTM Standard D2564.

6. Use solvent welded pipe for mainline pipe with a nominal diameter of three-inches and less or where a pipe connection occurs in a sleeve. Use Schedule 40, Type 1, PVC solvent weld fittings conforming to ASTM standard D2466 and D1784.

7. Size slip fitting socket taper to permit a dry, unsoftened pipe end to be inserted no more than halfway into the socket.

8. Saddle and cross fittings are not permitted.

9. Mainline pipe going through sleeves shall be solvent welded only.

10. Fittings shall be Schedule 40, as manufactured by Lasco Fittings or approved equal.

11. Use rubber-gasketed pipe equipped with the Rieber Gasket System for mainline pipe with a nominal diameter of three-inches and greater.

12. For four-inch and greater fittings, use rubber-gasketed deep bell ductile iron fittings conforming to ASTM A-536 and ASTM F-477 by Leemco Piping or approved equal.

13. Use lubricant approved by the pipe manufacturer.

14. Pipe sizes referenced in the construction drawings are minimum sizes and may be increased at the option of the Contractor at no additional cost to the Owner but must be approved by the Irrigation Consultant due to depth limitations in various areas.

15. All pipes damaged or rejected because of defects shall be removed from the site at the time of said rejections.

16. General Conditions

a. Pipe sizes referenced on the construction drawings are minimum sizes and may be increased at the option of the Contractor at no additional cost to the Owner.

b. All mainline piping shall have a metallic detectable warning tape, manufactured by

Christy’s, model number TA.DT.3.BW, placed six-inches from the final finish grade. The tape shall be three-inches wide, blue in color, and indicated “Buried Water Below”. The tape shall be brought into and looped in all valve boxes, just below the surface, at the ends for ease of locating or terminated in valve boxes.

c. Contractor shall run a #14-AWG, direct bury, UL listed wire by Paige Wire along the entire mainline length. Wire shall be continuous with wire splices only placed within valve boxes and labeled on the record drawing. No wires are to be exposed. Use red jacketed wire for mainline runs. Tape the tracer wire to the pipe at 15-foot intervals. Label tracer wire runs in

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B. Lateral Pipe and Fittings – Spray, Stream Rotor, and Rotor Heads

1. All sprinkler lateral piping downstream from the zone valves, sized two-inch and smaller shall be flexible HD 125 non-toxic polyethylene (PE) pipe.

2. Use SDR 15, PE 4710 based material, rated at a minimum of 100-psi, that is National Sanitation Foundation (NSF) approved, conforming to ASTM Standard D2239.

3. Use Type 1, PVC insert fittings conforming to ASTM Standard D2609 designed for use with flexible polyethylene pipe. Manufacture shall be Lasco Fittings or approved equal.

4. Use stainless steel worm gear clamps (including stainless steel screw) to join pipe and fittings.

5. Use one worm gear clamp on pipe fittings one-inch in size. Use two worm gear clamps for 1.5-inch and two-inch fittings.

6. On one-inch sized fittings, stainless steel crimp clamps may be used, however they must have two clamps per fitting.

7. Refer to drawings for minimum pipe sizing for lateral zones.

C. Specialized Pipe and Fittings

1. Assemblies calling for threaded pipe connections shall use Schedule 80 PVC nipples and Schedule 40 PVC threaded fittings.

2. Joint Sealant: Use only Teflon-type tape on plastic threaded.

3. Ductile Iron Fittings

a. Fittings shall be slanted, deep-bell, gasketed style made in accordance with ASTM-A-536, Grade 65-45-12.

b. Fittings shall have four lugs to accommodate joint restraints and other fittings.

c. Bell sections shall allow for five-degree freedom of pipe deflection within the bell end.

d. Gasket design shall be rib-enforced “U-Cup” configuration to seal and assist in restraining pipe at all pressures.

e. Fittings shall be manufactured by Leemco Piping or approved equal.

4. Joint Restraints:

a. All isolation valves two-inch and greater shall have a joint restraint system as manufacture by Leemco Piping or approved equal.

b. When called for on mainlines, use joint restraints on pipe to pipe gasketed joints, as manufactured by Leemco Piping or approved equal.

c. Contractor may substitute joint restraints in place of thrust blocks. If joint restraints were to be used, a joint restraint plan must be submitted for approval prior to construction.

2.5 CONTROL SYSTEM COMPONENTS

A. Irrigation Controller #1: Baseline Systems BL-3200XS Stainless Steel Wall mount Controller with Cell Modem or approved equal.

1. Model Number: BL-3200-XS-CM

2. Baseline 3200-XS series controller with an extra-large stainless steel wall mount cabinet. The controller shall be mounted on the pump station enclosures as indicated on the drawings.

3. Cellular modem shall be a Baseline Industries, model number BL-CLOUD-LTE-xx-X.

4. Cellular service shall be provided and prepaid for a period of five-years, starting on the date of final acceptance. Contractor will be required to provide a receipt of paid service at the time of acceptance.

5. Controller shall operate two-wire decoders.

6. Controller is to be installed and grounded per the manufacturer’s recommendations to the building ground. As a minimum, ground as specified and detailed.

7. Power to the controller will be from the pump station. The Contractor will be responsible for making the connection from the power drop to the controller.

8. Provide and install a Paige Wire lightning surge arrestor, model number 250090LED on the power to the controller.

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9. The product manufacture and local distributor shall provide base training for the operation of the controller at no cost to the owner. The Distributor is to have complete knowledge of the operation and programming background of the Baseline Systems system. The Contractor is to input all zone / biCcoder address assignments, sensors, master valves, pressure readings, and ensure the operation of them. The Contractor is to give each zone a base description / location per zone. The Contractor shall set-up any temporary grow-in programs in addition to a final operating program that utilities industry standard runtime programming logic. A learn flow of the zones is to be completed by the Contractor. Supplying Distributor is to have one dedicated person that is trained and completely familiar with the Baseline Systems control system, programming, and operations. The Irrigation Consultant will always have full, remote, administrative access to the controller for monitoring or modifying programs as deemed necessary.

10. Contractor is to fill out the ten-year warranty application and provide approved copies to the Owner for all Baseline System products prior to final acceptance.

11. Controller shall be accessible via the internet by utilizing the secure BaseManager service.

12. Use Baseline Systems, single-station biCcoder, model number BL-5201 as required.

B. Irrigation Controller #2: Baseline Systems BL-SUBSTN-XS Stainless Steel Wall mount or approved equal.

1. Model Number: BL-SUBSTN-XS.

2. Baseline SubStation series controller with an extra-large stainless-steel wall mount cabinet.

The controller shall be mounted as indicated on the drawings.

3. Cellular modem shall be a Baseline Industries, model number BL-CLOUD-LTE-xx-X.

4. Cellular service shall be provided and prepaid for a period of five-years, starting on the date of final acceptance. Contractor will be required to provide a receipt of paid service at the time of acceptance.

5. Controller shall operate two-wire decoders.

6. Controller is to be installed and grounded per the manufacturer’s recommendations to the building ground. As a minimum, ground as specified and detailed.

7. Power to the controller will be from the pump station. The Contractor will be responsible for making the connection from the power drop to the controller.

8. Provide and install a Paige Wire lightning surge arrestor, model number 250090LED on the power to the controller.

C. Central Internet Based Control Package

1. Provide and set-up Baseline Systems BaseManager Plus service, model number BL-BMW2- PLUS-5. Service shall be provided and prepaid for a period of five-years, starting on the date of final acceptance. Contractor will be required to provide a receipt of paid service at the time of acceptance.

2. The Contractor shall set-up access to the BaseManager service on any internet-accessible smartphone or computer that the Owner will operate this system from.

3. Contractor shall coordinate with the Owner for mobile devices needed and computer hardware required to operate the system from a computer.

4. Contractor is to provide training of the system to the Owner at no additional charge.

5. Contractor and Distributor will work with the Irrigation Consultant on setting up the programming and adjustment of the system. Initial programming will be the responsibility of the Contractor, including setting all station runtimes, labeling, biCcoder assignments, learn flows, and sensor assignments.

6. The Contractor will be required to have their own internet-accessible tablet onsite for system controls during testing and operation.

7. The Irrigation Consultant will have full, remote, administrative access to BaseManager at all times.

D. Control Wire – Two-wire Cable

1. Two-wire cable shall be 14-AWG, 2-conductor, “MAXI” cable, as manufactured by Paige Wire, model specification number P7072D, or approved equal.

a. Cable shall have two, soft annealed tin coated solid copper conductors conforming to

ASTM B-33. Inner conductors are to be listed as Type UF/TWU by UL or ETL or CSA.

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b. Insulation shall be polyvinyl chloride, black and red.

c. Cable assembly shall have the insulated conductors laid parallel within the jacket.

d. Outer jacket shall be pressure extruded high density PE conforming to ICEA S-61-402 and

NEMA WC5 Jacket Thickness of 3/64-inch minimum jacket material to completely fill interstices between the two insulated conductors.

e. Provide five-feet of extra wire at each valve so that the decoder can be easily removed from the valve box and serviced.

f. Refer to drawings for wire jacket colors. Wire color shall be continuous over its entire length.

2. Wire Splices: Use direct bury splice kits, manufactured by 3M Company, model number DBR/Y-6 or approved equal, for all wire splices. Wire connector is to be of plastic construction.

3. Wire Markers: Pre-numbered or labeled with indelible non-fading ink, utilizing a “tag pen”, made of permanent non-fading material.

4. Decoder Cable Fusing Device (DCFD \ Test Switch)

a. Install inline, two-way, and three-way fusing devices as indicated on the drawings. Devices shall be manufactured by Paige Wire, model number 270DCFD1L inline or 270DCFDL two way or approved equal.

b. Each DCFD shall have a wire marking tag, Paige Wire model number 270WMT, installed at each location to indicate where each leg of the device leads to and original system volts and amps for each leg of the system to allow for easier future maintenance.

c. Connect the DCFD leads as per the installation instructions and this specification.

d. Refer to Paige Wire installation instructions for additional information.

5. All wiring is to be installed following existing local and State codes and regulations.

E. Instrumentation

1. As presented on the drawings and installation details.

2. Soil Moisture Sensor

a. Sensor shall be manufactured by Baseline Systems, model name “Compact biSensor”, model number BL-5315B.

b. Sensors will be installed for sensing in turf areas and for planting areas. Similar zones will be tied to the sensors within the controller programming.

c. Soil moisture sensors shall be mounted in open turf areas with head-to-head coverage and in planting beds with head to head coverage.

d. Sensors shall be installed as per the detail, with the top of the sensor two-inches below the top of sod or seed. It is extremely important that the sensors are documented with measurements so they can be located in the future.

e. All sensor wiring shall be in a one-inch PVC conduit from the two-wire path to the final sensor location. Conduit shall have a tracer wire and detectable warning tape installed.

Referred to installation details and other sections of this specification for details.

f. If the sensor is to be placed more than 50-feet from the two-wire path, installed two-wire cable to near the location and place a wire splice within a seven-inch round valve box.

g. Use a 6-inch red colored survey whisker with a 3/8-inch x 4.5-inch magnetized survey nail partially buried and placed adjacent to the sensor to ease of locating in the future.

3. Precipitation Sensor

a. Sensor shall be manufactured by Baseline Industries, model name “Precip Sensor” with bird guard, model number BL-5407-KIT-PRO. Mount to pump station exterior.

b. Connect the sensor to only the BL-3200-XS controller via the two-wire path.

c. Sensor shall be mounted in a location that will be vandal resistant and is able to gather all the necessary data without interference. Coordinate proposed mounting location with the Owner and receive final approval from the Landscape Architect / Irrigation Consultant.

4. Pressure Sensor

a. Sensor shall be manufactured by Baseline Industries, model name “Pressure Sensor”, model number BL-5406_KIT or approved equal.

b. Sensor shall be mounted inside of the pump station enclosure on the discharge piping via a port provided by the pump station manufacturer.

c. Connect the sensor to the Baseline Systems irrigation controller at each pump station via the two-wire path.

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5. Flow Sensor

a. The flow sensor will be a shared flow sensor from the pump station via an optocoupler provided by the pump station manufacturer.

b. Sensor biCoder shall be manufactured by Baseline Industries, model name “Flow Sensor biCoder”, model number BL-5308.

c. Connect the sensor to the Baseline System irrigation controller at each pump station via the two-wire path.

6. Master Valve

a. The N/O electronic butterfly valve in the pump station will need to have a BL-5201MV bicoder.

b. Connect the sensor to the Baseline System irrigation controller at each pump station via the two-wire path.

7. Surge Suppression Device

a. Devices, at a minimum, shall be installed at locations as indicated on the drawings and installed per the details and manufacturers recommendations.

b. Use Baseline System, model name “Lighting Surge Arrestor”, model number BL-LA01 at each grounding location.

c. All grounding connections are to use a re-enterable grounding strip.

d. Refer to grounding section of this specification for additional details.

F. Power Wire

1. Electric wire from the power source to controller shall be solid or stranded copper. Type UF single-conductor cable, UL approved for direct underground burial. Power wires shall be black, white, and green in color.

2. Splices: Use approved connectors per local code.

3. Conduit: PVC Schedule 40, or as required per code.

4. Follow all local and State codes.

2.6 OPERATIONAL COMPONENTS

A. Electric Control Valves

1. All valves shall be of globe configuration with a female pipe thread inlet and outlet connections.

Diaphragm assembly shall be sonically welded to form a solid-piece component. The diaphragm shall be of rubber construction to retain flexibility and provide maximum sealing throughout its area.

2. Electric valves shall be 1-inch Rainbird PEB and 1.5-inch Rainbird PEB series electric valves as manufactured by Rainbird or approved equal. The valve shall have a manual flow control with a hand-operating, rising-type flow control stem with control wheel / handle and an internal manual bleed assembly. Size per plan.

3. All parts shall be serviceable without removing the valve from the line. Valve may be installed at any angle without affecting valve operation.

4. 22-inch solenoid lead wires shall be attached to a 24-VAC solenoid with waterproof molded coil capable of being removed by turning the soil. Valve shall be held normally closed by internal water pressure with a manual bleed screw.

5. The legend and flow arrow shall be applied at all valve locations.

6. Valve numbering shall be located so as to be conspicuous and legible. The controller and valve numbering shall be engraved in black on a yellow plastic tag, as manufactured by Christy’s Enterprise, model number ID.STD.Y1 or approved equal. The tag size shall be the standard size of 2.25-inch by 2.66-inch and placed on the solenoid wires for each electric valve.

7. If required by local or State law and / or ordinance, provide and install at each valve, a purple valve tag engraved with the following warning in English and Spanish: “WARNING, Recycled/Reclaimed Water Do Not Drink” and “AVISO Aqua Impura No Tomar”. Tags shall be manufactured by Christy’s Enterprise, model number ID.MAX.P2.RC006 or approved equal.

B. Valve Boxes

1. Valve boxes shall be VB Series manufactured by Rain Bird or approved equal, and shall be rectangular, 12-inch with six-inch extension or seven-inch and ten-inch round and have “T” lid tops. Valve box lids in turf areas are to be green; valve box lids in plantings are to be black.

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2. Valve box shall be of a size that provides adequate space for valve repairs. For decoder systems and valve boxes with a decoder, two valves per 12-inch rectangular box, otherwise one electric valve per smaller valve box. A ten-inch round valve box may be used for isolation valves, quick couplers, and wire drops only. For all valves with decoders, leave five feet of excess wire coiled to allow for the removal of the decoder.

3. The valve box cover shall have the component markings engraved or heat stamped into the cover. Use the following symbols for corresponding components in the valve box:

a. GV – for Gate Valves

b. EV – for Electric Valves

c. WS – for Wire Splices

d. QC – for Quick Coupler Valves

e. GR – for Grounding connections

f. SEN – for Sensor connections

4. Final valve zone numbering shall also be branded onto the top of valve boxes with electric valves. Contractor may find an example of the branding tool at Brand New Industries Inc.

product number VB2x3.

5. Contractor is to coordinate the location of valve boxes that are ganged together in clusters of three or more in planting beds with the Irrigation Consultant and receive approval of the locations prior to installation.

C. Quick Coupler Valves

1. Valves shall be manufactured by Buckner, model number 3/4" QB33NPAR07 quick coupler valve with anti-rotation wings or approved equal. The quick coupler valve shall have a purple cover.

2. Match key and hose swivel shall be by Buckner QB33SK07 key and Buckner QHS0707 Swivel.

3. Quick Coupler Valves shall be mounted onto a swing joint manufactured by Lasco Fittings. The swing joint shall have brass male threads and be placed in a ten-inch round valve box. The valve box is to be filled with 3/8” clear chip gravel as detailed. Ensure proper height when backfilling.

4. Refer to this specification for additional requirements for the quick coupler swing joint.

D. Swing Joint for Quick Coupler Valves

1. Quick Coupler Valve Swing Joint shall be ¾” manufactured by Lasco Fittings, which is a ¾ inch diameter size swing joint with a MIPT threaded inlet, and MIPT brass-threaded outlet style with a SnapLok connector or approved equal.

a. Swing Joint shall be rated up to 315-psi maximum working pressure at 73-degrees

Fahrenheit when tested in accordance with ASTM D3139, including internal hydrostatic pressure at 787-psi for 60-minutes and short-term pressure of 1,008-psi without leakage or failure.

b. Unit shall be manufactured from rigid polyvinyl chloride (PVC). Type 1, cell classification 12454-B per ASTM specification D 1784, with NPT threads and pipe sockets per ASTM D 2464 and D2466.

c. Each rotating joint shall be sealed with an O-ring, installed pre-compressed in a sealing groove free of parting lines to prevent leakage.

d. Modified stub ACME threads shall have special engineered (S.E.) diameters and clearances to allow full circle (360-degrees) movement and to reduce stress concentrations and joint fracture at threaded roots.

2. The quick coupler valve swing joint shall have a minimum 12-inch riser length.

3. Contractor will be responsible for the correct lay length of the swing joint to provide a minimum

45-degree slope to provide for positive drainage.

4. The swing joint shall have a five-year warranty.

E. Sprinkler Head – Spray Head

1. The spray head sprinkler shall be manufactured by Hunter Industries, PROS Series, four-inch or twelve-inch riser with check valve and preset pressure regulation of 30-psi (model number PROS-PRS30-CV) or approved equal.

2. Retraction shall be achieved by a heavy-duty stainless-steel retraction spring.

3. Sprinkler shall have a riser seal and wiper.

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4. Sprinkler body shall be of high impact molded plastic.

5. Sprinkler shall have a large strainer to prevent nozzle clogging.

6. Sprinkler shall be constructed such that it is serviceable from the top in that drive assembly screen, and all internal components are accessible throughout the top of sprinkler without disturbing case installation.

7. The sprinkler head shall have a drain check valve for up to ten-feet of elevation change.

8. Type and location of nozzles shall be Rain Bird U-Series set arcs, Rain Bird HE-VAN, Hunter short radius nozzles, nozzle patterns vary, see plan for dimensions.

9. Spray head sprinkler heads shall be mounted on a swing / funny / flex pipe flexible connection with spiral barb elbows. Maximum swing pipe length to be 18-inches. Contractor may use Hunter Industries pre-manufactured swing joints, model number SJ-512 or approved equal, in place of the swing pipe and barb fitting.

10. Sprinkler head shall be mounted flush with the final finish grade.

F. Sprinkler Head – MP Rotator

1. The MP rotator head sprinkler shall be manufactured by Hunter Industries, PROS Series, four-inch or twelve-inch riser with check valve and preset pressure regulation of 40-psi (model number PROS-PRS40-CV) or approved equal.

2. Retraction shall be achieved by a heavy-duty stainless-steel retraction spring.

3. Sprinkler shall have a riser seal and wiper.

4. Sprinkler body shall be of high impact molded plastic.

5. Sprinkler shall have a large strainer to prevent nozzle clogging.

6. Sprinkler shall be constructed such that it is serviceable from the top in that drive assembly, screen, and all internal components are accessible throughout the top of sprinkler without disturbing case installation.

7. The sprinkler head shall have a drain check valve for up to ten-feet of elevation change.

8. Type and location of nozzles shall be Hunter Industries MP Rotator series, nozzle patterns vary, see plan for dimensions.

9. Spray head sprinkler heads shall be mounted on swing / funny / flex pipe flexible connections with spiral barb elbows. Maximum swing pipe length to be 18-inches. Contractor may use Hunter Industries manufactured swing joints, model number SJ-512 or approved equal, in place of the swing pipe and barb fitting.

10. Sprinkler head shall be mounted flush with the final finish grade.

G. Sprinkler Head – Small Rotor

1. The rotor head sprinkler shall be manufactured by Hunter Industries, I-20-PRB series, six-inch riser with pressure regulated body and check valve or approved equal.

2. Retraction shall be achieved by a heavy-duty steel retraction spring.

3. Sprinkler shall have a rubber cover.

4. Sprinkler body shall be made of high impact molded plastic.

5.