1Special Provisions State St. Landscaping Introduction August 2026

Special Provisions

SFB2027-002

State Street Landscaping State Street and Veterans Memorial Parkway Intersection

Boise Idaho

Boise Park and Recreation

2Special Provisions State St. Landscaping Professional

SPECIAL PROVISON FOR STATE STREET LANDSCAPING

SFB2027-002

Seal w/ signature I certify the Special Provisions are applicable to the design for the subject project. Modified Special Provisions were prepared by me or under my supervision.

Signed: _____________________________

This stamp certifies the attached modifications to the ISPWC. It does not certify the

ISPWC

All work described in the Contract Document shall meet the requirements of the 2025 ISPWC and the following Special Provisions to modify the 2025 ISPWC.

3Special Provisions State St. Landscaping Table of Contents

TABLE OF CONTENTS

Division 100 – General Conditions Division 200 – Earthwork Division 900 – Irrigation System Division 1000 – Construction Stormwater Best Management Practices (BMPs)

Section 1008 – Tree Protection Section 1009 – Planting

Division 1100 – Traffic

4Special Provisions State St. Landscaping Division 100 – General Conditions

All number references in these Special Provisions shall be understood to refer to the Sections and subsections of the Idaho Standards for Public Works Construction (ISPWC) 2025 addition bearing like numbers and to Sections and subsections contained in these Special Provisions in their entirety.

ISPWC – DIVISION 100 GENERAL CONDITIONS

PRELIMINARY MATTERS:

Contractor shall obtain approval of project proposed work sequence with Boise Parks and Recreation prior to beginning construction.

Contractor is required to provide project correspondence via Procore Construction Management Software. Software link and access will be provided to contractor by agency following the project Notice to Proceed. General contractor to coordinate project submittals, requests for information, and payment utilizing Procore software.

PRELIMINARY SCHEDULE

Within 10 days after the Notice to Proceed, contractor shall submit for review:

1. Preliminary progress schedule indicating the times (number of days or dates) for starting and completing the various stages of the work, including any milestones specified in the Contract.

2. A preliminary schedule of submittals.

3. A preliminary schedule of values for all the work which includes quantities and prices of items which when added together equal the contract price and subdivides the work into component parts in sufficient detail to serve as the basis for progress payments during performance of work.

PRECONSTRUCTION MEETING

1. Before any work at the site is started, a conference attended by Owner, Contractor, Engineer, and others as appropriate will be held to establish a working understanding among the parties as to the work, and to discuss the schedule referred to above, procedures for handling shop drawings, samples, and other submittals, processing applications for payment, electronic or digital transmittals, and maintaining required records.

2. At this meeting, Owner and Contractor each shall designate, in writing, a specific individual to act as its authorized representative with respect to the services and responsibilities under the contract. Such individuals shall have the authority to transmit and receive information, render decisions relative to the Contract, and otherwise act on behalf of each respective party.

5Special Provisions State St. Landscaping Division 100 – General Conditions

PROGRESS SCHEDULE

1. No progress payment will be made to contractor until acceptable schedules are submitted to the Project Manager.

a. The progress schedule will be acceptable to Project Manager if it provides an orderly progression of the work to completion with contract times. Such acceptance will not impose on project manager responsibility for the progress schedule, for sequencing, scheduling, or progress of the work, nor interfere with or relieve contractor from contractor’s full responsibility therefor.

b. Contractor’s schedule of values will be acceptable to Project Manager if it provides a workable arrangement for reviewing and processing the required submittals.

c. Contractor’s schedule of values will be acceptable to Project Manager as to form and substance if it provides a reasonable allocation of the contract price to the component parts of the work.

d. If a schedule is not acceptable, contractor will have an additional 10 days to revise and resubmit the schedule.

e. Contractor is required to include any weather delays in the progress schedule and update projected delivery of project.

f. Provide reasonably predicted weather delays in the Project schedule and their impact on all-weather sensitive activities. Show weather limitations that may affect the Project schedule.

BASIS FOR ADJUSTMENT OF CONTRACT TIME – In the adjustment of Contract Time the Project Manager will consider causes that included, but are not limited to:

1. Failure of the Agency to execute the contract by the projected date in the special provision, or to submit the Notice to Proceed within the time stated:

2. Errors, changes, or omissions in the Supplemental Drawings, or Specifications;

3. Failure of the Agency or Entities acting for the Agency to act promptly in carrying out Contract duties and obligations;

4. Acts or omissions of the Agency or Entities acting for the Agency that result in unreasonable delay;

5. Right-of-Way and access delays.

6. Permit delays for permits to be provided by Agency as listed in the special

Provisions.

6Special Provisions State St. Landscaping Division 100 – General Conditions

The Project Manager will not consider requests for adjustment of Contract Time based on any of the following:

1. Contentions that insufficient Contract Time was originally specified in the Contract;

2. Delays that do not affect the specified or Adjusted Contract Time;

3. Shortage or inadequacy of Materials, Equipment or labor;

4. Late delivery of Material and Equipment to be incorporated into the Work, except under those conditions referenced;

5. Different areas of Material source;

6. Substitution of Equipment;

7. Reasonably predictable weather conditions; or

8. Other matters within the Contractor’s control or Contract responsibility.

DELAY IN CONTRACTOR’S PROGRESS

1. The project completion date in this Contact includes reasonably predictable weather days.

2. The following reasonably predicted weather days are incorporated into the contract:

a. January 7

b. February 6

c. March 6

d. April 6

e. May 6

f. May 6

g. June 4

h. July 1

i. August 1

j. September 1

k. October 3

l. November 6

m. December 7

CONTRACT DOCUMENTS: INTENT, REQUIREMENTS, REUSE

The contract documents are complementary; what is required by one contract document is binding as if required by all.

It is the intent of the contract documents to describe a functionally complete project (or part thereof) to be constructed in accordance with the contract documents.

7Special Provisions State St. Landscaping Division 100 – General Conditions

Unless otherwise stated in the contract documents, if there is a discrepancy between the electronic versions of the contract documents (including any printed copies derived from such electronic versions) and the printed record version, the printed record version will govern.

The contract supersedes prior negotiations, representations, and agreements, whether written or oral.

Project Manager will issue clarifications and interpretations of the contract documents as provided herein.

Any provision or part of the contract documents held to be void or unenforceable under any Law or Regulation will be deemed stricken, and all remaining provisions will continue to be valid and binding upon Owner and Contractor, which agree that the contract documents will be reformed to replace such stricken provision or part thereof with a valid and enforceable provision that comes as close as possible to expressing the intention of the stricken provision.

During the performance of the work and until final payment, contractor and owner shall submit to the Project Manager in writing all matters in question concerning the requirements of the contract documents (sometimes referred to as requests for information or interpretation-RFIs) or relating to the acceptability of the work under the contract documents, as soon as possible after such matters arise. Project manager will be the initial interpreter of the requirements of the contract documents, as soon as possible after such matters arise. Project manager will be the initial interpreter of the requirements of the contract documents, and judge of the acceptability of the work.

Project Manager will, with reasonable promptness, render a written clarification, interpretation, or decision on the issue submitted, or initiate an amendment or supplement to the contract documents. Project Manager’s written clarification, interpretation, or decision will be final and binding on contractor, unless it appealed by submitting a change proposal, and or owner, unless it appeals by filing a claim.

SCOPE OF WORK

This project includes the installation of new sidewalk buffer landscaping along State St. between Lander St. and Dewey street, and along Veterans Blvd. from State St. to W Anderson St.

The scope of work for this contract includes:

Demolition of existing landscape, rock mulch and landscape fabric

Minor site grading and earthwork

Irrigation.

Landscape installation

8Special Provisions State St. Landscaping Division 100 – General Conditions

COMMENCEMENT AND PROGRESS OF THE WORK

All staking, grading and elevation lines to be provided by a licensed Idaho surveyor at the expense of the contractor to achieve the elevations, grades and drainage included in the plan set.

The Contractor shall stake out the layout for all work under this contract from established elements, i.e., Points of Beginning, corner points and others, as indicated on the site plans.

All staking shall be approved by Boise Parks & Recreation prior to commencement of any work.

The Contractor shall incur all expenses for the provision of all stakes, templates, platforms, equipment, tools, materials, and labor as may be required in laying out any part of the work.

Contractor shall layout and set construction stakes and marks to establish the lines, grades, slopes, cross sections, and elevations for sitework.

Owner shall provide engineering survey to establish reference points for construction which in Engineer’s judgement are necessary to enable contractor to proceed with the work. Contractor shall be responsible for laying out the work, shall protect and preserve the established reference points and property monument, and shall make no changes or relocations without prior written approval of owner. Contractor shall report to Engineer whenever any reference point or property monument is lost or destroyed or requires relocation because of necessary changes in grades or locations and shall be responsible for accurate replacement of such reference points or property monuments by professionally qualified personnel.

STARTING THE WORK

The total contract time allocated for this work is 120 Days including 28 Weather Days.

The contract is anticipated to be fully executed on November 27, 2026. Contractor must do the following upon receipt of notice to proceed:

1. Within 7 days - Submit drawings for required permitting.

2. Within 14 days – All drawings and documents are accepted with corrections for permitting.

3. Contractor must begin onsite work no later than 45 days from Notice to Proceed or upon permit approval.

No work may begin onsite until all permits are approved and a pre-construction meeting has been held by Boise Parks and Recreation.

The completion date for all contract work is March 26, 2027

9Special Provisions State St. Landscaping Division 100 – General Conditions

PROGRESS SCHEDULE

A supplemental “look ahead” project schedule shall be written in common terminology and show the planned Work activities broken down into logical, separate activities by area, stage, and size and include the following information:

The resources the Contractor, Subcontractors, or services will use.

The locations of each activity that will be done including the limits of the Work by stations, or other indicators.

The time frames of each activity by Calendar Days, shifts, and hours.

All anticipated road or trail closures.

At a minimum, the Contractor shall prepare a bar chart that:

Shows at least 3 weeks of activity including the week the bar chart is issued.

Use a largest time scale unit of 1 calendar day. Smaller time scale units may be used if needed.

Is appropriate to the activities.

Identifies each Calendar Day by month and day.

DELAYS IN CONTRACTOR’S PROGRESS

The liquidated damages for failure to complete the Work on time required will be $500 per Calendar Day.

SUBSURFACE AND PHYSCIAL CONDITIONS

Contractor shall take special care to avoid damage to any adjacent areas. Any damage because of contract work shall be restored or repaired immediately at contractor’s expense to the satisfaction and approval of Boise Park & Recreation. Notify owner’s representative immediately upon damage and obtain approval of materials and methods proposed prior to completing repair.

Contractor shall be responsible for the verification and notification of Boise Park & Recreation Department immediately upon discovery of all existing conditions, inclusive of site utilities above and below ground, which may conflict with the plans and specifications of this project.

10Special Provisions State St. Landscaping Division 100 – General Conditions

This Project is located within the Idaho Utility Notification Center area which is a Utilities notification system for notifying owners of Utilities about Work being performed in the vicinity of their facilities. The Utilities notification system telephone number is 811 or (800) 342-1585.

Utility Contact and Phone Number(s)

Idaho Power 208 388-6320 Veolia Water 866 439-2837 Sewer / City of Boise Public Works 208 388-4725

Intermountain Gas Company 208 377-6863 Century Link 208 385-2144 Sparklight 977 687-1332

The contractor shall be responsible for notification of Dig line for utility marking on site.

Contactor to submit and apply for all permits.

The Agency has not conducted subsurface or geologic investigations for the Project Site.

CONTRACTOR’S RESPONSIBILITIES

WORK HOURS:

Contractor is to coordinate with ACHD for all interruptions to vehicular and pedestrian traffic within the Right of Way. Contractor must submit and receive an approved for temporary traffic control plan prior to construction.

State St. Eastbound - The Contractor shall not begin Work prior to 9:00 a.m. nor continue Work past 4:00 p.m. weekdays and 8:00 a.m. and 6:30 p.m. on weekends, unless approved otherwise.

State St. Westbound - The Contractor shall not begin Work prior to 7:00 a.m. nor continue Work past 3:00 p.m. weekdays and 8:00 a.m. and 6:30 p.m. on weekends, unless approved otherwise.

36th Street - The Contractor shall not begin Work prior to 7:00 a.m. nor continue Work past 6:30 p.m. weekdays and 8:00 a.m. and 6:30 p.m. on weekends, unless approved otherwise.

Contractor shall be solely responsible for the means, methods, techniques, sequences, and procedures of construction.

11Special Provisions State St. Landscaping Division 100 – General Conditions

At all times during the progress of the work, contractor shall assign a competent resident superintendent who will not be replaced without written notice to owner and Engineer except under extraordinary circumstances.

SERVICES, MATERIALS, AND EQUIPMENT

Unless otherwise specified in the contract documents, contractor shall provide and assume responsibility for all service, materials, equipment, labor, transportation, construction equipment and machinery, tool, appliances, fuel, power, light, heat, telephone, water, sanitary facilities, temporary facilities, and all other facilities and incidentals necessary for the performance, testing, start up and completion of the work, whether or not such items are specifically called for in the contract documents.

All materials and equipment incorporated into the work must be new and of good quality except as otherwise provided in the contract documents. All special warranties and guarantees required by the specifications will expressly run to the benefit of owner. If required by Engineer, contractor shall furnish satisfactory evidence (including reports of required tests) as to the source, kind, and quality of materials and equipment.

All materials and equipment must be stored, applied, installed, connected, erected, protected, used, cleaned and conditioned in accordance with the instructions of the applicable supplier, except as otherwise may be provided in the contract documents.

Storage of construction equipment, materials, supplies, temporary office or sanitary facilities shall occur inside the fenced construction zone. No personal vehicles shall be stored onsite except for contractor-owned vehicles engaged with material supply or active construction.

The contractor shall temporarily fence the perimeter of the worksite or as shown on the plans and specified herein. The fence shall be maintained in a secure and upright position for the duration of the project.

CONCERNING SUBCONTRACTOR’S AND SUPPLIERS

The Contractor's own organization shall perform work amounting to at least 30% of the original contract amount. The value of subcontracted work is the full compensation to be paid to the subcontractor(s) for all pay items in the subcontract(s).

PERMITS

Unless otherwise provided in the contract documents, Contractor shall obtain and pay for all construction permits, licenses, and certificates of occupancy. Owner shall assist contractor, when necessary, in obtaining such permits and licenses. Contractor shall pay all governmental

12Special Provisions State St. Landscaping Division 100 – General Conditions charges and inspection fess necessary for the prosecution of the work which are applicable at the time of the submission of contractor’s bid (or when Contractor become bound under a negotiated contract). Owner shall pay all charges of utility owners for connections for providing permanent service to the work.

Permits required by the Contractor for the project include:

R.O.W. Permit

ACHD Temporary Use Permit- Storage of materials along State St. and 36th St.

For Contractor reference, permits fee calculator may be found here:

www.cityofboise.org/departments/planning-and-development-services/fees/

Contractor time required for permit fee submittal and coordination is incidental to bid price.

Permits listed above are for convenience. Contractor shall obtain and verify all required permits to complete the scope of work listed in this Contract.

Any impact fees incurred as a part of the building permits are to be paid by contractor.

RECORD DOCUMENTS

Contractor shall maintain in a safe place at the site once printed copy of all drawings, specifications, addenda, change orders, work change directives, field orders, written interpretations and clarifications, and approved shop drawings. Contractor shall keep such record documents in good order and annotate them to show changes made during construction.

These record documents, together with all approved samples, will be available to Engineer for reference. Upon completion of the work, contractor shall deliver these record documents to Engineer.

QUALITY CONTROL

Contractor shall provide quality control, which shall include the initial and subsequent inspections of the contractor’s work to ensure that the work conforms to the contract documents.

Contractor shall designate the person responsible for contractor’s quality control while work is in progress and shall notify Engineer, in writing, prior to any change in quality control representative assignment.

End of Section

13Special Provisions State St. Landscaping Division 100 – General Conditions

14Special Provisions State St. Landscaping Division 200-Earthwork

ISPWC – DIVISION 200 Earthwork

SECTION 201, CLEARING AND GRUBBING AND REMOVAL OF OBSTRUCTIONS

PART 1 GENERAL, 1.1 SECTION INCLUDES

3.1 CLEARING AND GRUBBING, A. Protection (5a)

Add Item 3:

3. Damage Clause - Damage to trees or bushes during construction will be assessed against Contractor per dollar amount of replacement value. The value and damage amount will be determined by ratings of the International Society of Arboriculture Shade Tree Evaluation, Latest Edition, as facilitated by Boise Parks & Recreation Urban Forestry Division.

3.1 CLEARING AND GRUBBING, A. Protection

Add Item 9:

9. Furnish all work, services, materials, and related items only as necessary to complete the work indicated in the specifications, plans, and details.

10. Protection of Existing Irrigation Systems - Contractor shall protect and maintain the operation of all existing irrigation systems. 24-hour notice is required by the Contractor to Boise Parks & Recreation Department prior to site work. No site meetings will take place Friday afternoons, weekends, or legal holidays regarding irrigation. All portions of the irrigation system must be functional and the system operable at the end of each workday. No portion of the irrigation system may be shut down or out of use for longer than 24 hours. All damage to the existing system must be repaired within 24 hours.

3.2 REMOVAL OF OBSTRUCTIONS, C. Salvage

Add Item 2:

PART 4 MEASUREMENT AND PAYMENT

Measurement and payment per bid schedule.

End of Section

15Special Provisions State St. Landscaping Division 900-Irrigation Systems

(REPLACE) ISPWC-DIVISION 900, SECTION 901, 902, AND 903 WITH THE

FOLLOWING:

(ADD) SECTION 900, Irrigation Systems

PART 1 GENERAL

1.1 SECTION INCLUDES:

A. Contractor shall furnish all labor, materials, tools, equipment and incidentals for the proper execution and completion of all sprinkler work.

B. The irrigation plans are a schematic design and may require adjustment. Do not install the sprinkler system as shown if it is evident that obstructions, grade differences, or differences in area dimensions create conditions different than anticipated in the design. Bring all such obstructions or differences to the attention of the Boise Park & Recreation Representative.

In the event this notification is not performed before construction begins on a part of the system where discrepancies exist, any revision necessary to make the system operate as designed will be the responsibility of the contractor at no additional expense to the agency.

C. Coordinate with other trades affecting and being affect by the work of this section.

D. Coordinate all existing utility locations. Verify the location of any underground utilities prior to beginning work and maintain locate marks throughout construction.

E. Preserve and protect existing improvements and vegetation in areas to remain undisturbed for duration of the project. Return to condition found if damaged.

a. Preserve and protect survey monuments, benchmarks, and other reference points. If disturbed, or destroyed, replace as directed and at no expense to the owner.

b. Preserve and protect active utilities and maintain in continuous operation for duration of the project. Repair or replace all damage to known utilities at no expense to the owner.

c. Use all means necessary to protect materials and work of this Section and all other Sections before, during, and after installation. In the

16Special Provisions State St. Landscaping Division 900-Irrigation Systems event of damage, immediately make all repairs and replacements as directed by Owner’s Representative.

F. Required Inspections – The following inspections will be required at a minimum:

a. Upon completion of layout and flagging, prior to commencement of excavation or installation work.

b. Upon completion of the main line and control wires, with all valves installed, prior to backfilling.

c. At start and end of mainline pressure test.

d. Upon completion of lateral piping, prior to backfilling.

e. After forming but prior to pouring concrete bases for controller cabinets.

f. Upon completion of the entire system, at which time the system will be reviewed, and a punch-list generated if required.

g. Upon completion of the punch-list work, at which time the system will be accepted, provided that the system is in first-class operating condition, and provided that the Contractor has complied with all other terms of the Contract.

h. Make any corrections identified at each review prior to proceeding with additional work.

G. The Contractor shall be responsible for the provisions of barricades, any safety guards, and other temporary structures as required to protect the work area from the public.

1.2 RELATED SECTIONS:

1.3 SUBSTITUTIONS:

A. Substitutions must be submitted electronically for approval to Boise Parks & Recreation.

17Special Provisions State St. Landscaping Division 900-Irrigation Systems

1.4 SUBMITTALS FOR REVIEW

A. Product Data – Submit a list of proposed material for approval before arranging for procurement of any materials. If any initially proposed materials are not approved, submit substitutes for approval. Any materials installed without approval will be subject to removal and replacement with acceptable material as the Contractor’s expense. Include all material to be used showing manufacture’s name, catalog numbers, catalog cuts, technical data, and manufacturer’s installation, operation, and maintenance instructions for each product.

B. Test Reports – Verify meter location, size, PSI, and GPM. Conduct flow test to verify GPM. Submit results of test to Boise Park & Recreation.

C. Record Drawings – Contractor shall always maintain a current and legible set of irrigation plans in a safe and accessible location on site for review by Inspector. Design changes and actual locations of pipe and valves shall be noted on the plans daily as the irrigation system is constructed.

a. Indicate two dimensions for all valves (including quick couplers and drain valves) and stub-outs.

b. Indicate approximate locations and route changes to mainline piping, lateral line piping, and head layout.

D. Owner’s copy of Backflow Prevention Device test report.

PART 2 MATERIALS

2.1 Furnish only commercial quality materials and equipment. All items proposed for use will be subject to testing and ensure compliance with the Specifications.

Provide materials of the same function that are the same manufacturer.

A. Use only new materials.

B. Protect against damage.

C. Store packaged materials in manufacturer’s original container with legible labels intact.

D. Store plastic pipe on firm, level support, protected against direct sunlight.

18Special Provisions State St. Landscaping Division 900-Irrigation Systems

E. Store plastic pipe cement at room temperature or as recommended by manufacturer.

2.3 All items proposed for use will be subject to testing to ensure compliance with the Specifications.

2.4 Main & Lateral Line Pipe

A. PVC (Polyvinyl Chloride) Type I, NSF approved per ASTM-D1784, D- 1785/D-2665, and US Product Standard PS 21-70, 22-70. All PVC pipe shall be continuously marked with manufacture’s name, kind of pipe, material, IPS, class, or schedule. P.V.C. pipe shall be virgin, high impact polyvinyl chloride pipe, conforming to commercial standards CS 207-60.

B. Mainlines, laterals and fittings with solvent weld type joints are required except where head assemblies, valves, etc., require threaded joints.

C. All pipe shall be Schedule 40 for line sizes 3/4", 1", 1 1/4", 1 1/2", and 2".

D. All pipe shall be Class 200 for line size 2 1/2", 3", 4", and 6".

E. Mainlines and laterals 4" and larger shall be gasketed pipe with all fittings being mechanical ductile iron.

F. Sleeves: PVC (Polyvinyl Chloride) Type I, NSF approved as per ASTM- D1784, D-1785/ D-2665, and US Product Standard PS21-70, 22-70. All PVC pipe shall be continuously marked with manufacture’s name, kind of pipe, material, IPS, class or schedule. All pipe shall be Schedule 40 with solvent-weld connection fittings unless otherwise noted on Plans.

G. Sleeve Marker: 2” diameter aluminum sleeve marker Part CD2-U manufactured by Berntsen International Inc, Madison WI, (800) 518-0934 or approved equal. Marker to have the following text “BOISE PARKS AND RECREATION” at the top of the marker and “SLEEVE” labeled with the arrow aligned to the orientation of sleeve below.

H. Pipe shall homogeneous throughout and be free from defects, cracks, holes, foreign materials, wrinkles, dents, and blisters.

I. Pipe and fittings shall be of American Manufactured.

19Special Provisions State St. Landscaping Division 900-Irrigation Systems

J. Drip Irrigation: Makes and models shown on the plans or approved equal.

Only use fittings of the same manufacturer as the emission devices.

K. Swing Joints:

a. Spray heads and Rotor Heads: Swing joint risers as detailed, with one Schedule 80 threaded risers, three Schedule 40 st. ell, Field assembled, swing pipe, snap, and “funny pipe” risers, and “Marlex” fittings are not allowed. No premanufacture swing joints permitted.

L. Reclaimed, or Reuse water. Furnish PVC pipe that is tinted purple and imprinted with the warning “Caution: Reclaimed Water – Do Not Drink” Provide pipe meeting the same AWWA and ASTM specifications as the potable water pipe sizes on which they are based.

M. Fittings – PVC (Polyvinyl Chloride) Type I, white Schedule 40 and grey Schedule 80, approved per ASTM D-1784, ASTM D-2466, and ASTM- D2467 or ASTM-D2464, as applicable. All PVC fittings shall be marked with manufacturer’s name, kind of pipe, material, IPS, class or schedule.

Use of male adapters and cross fittings is not allowed.

N. Repair Fittings:

1. 3” and under: PVC Compression coupler or approved equal. No slip fix couplers allowed.

2. Over 3”: 211 JCM Ductile iron coupling or approved equal.

3. Not allowed: Slip-Fix Fittings, Telescoping Coupling, Kwik Repair, or similar methods.

2.5 PVC Cleaner and Primer – “Weld-on Purple P-70” or approved equal.

2.6 PVC Solvent Cement – “Weld-on 711”, “Christy’s Gray Heavy PVC Cement” or approve equal. The expiration date shall not be exceeded.

2.7 Pipe Joint Tape – Teflon tape or approved on all threaded metal and PVC joints.

Tape is to be food and water safe on all potable connections. Teflon paste may be used on metal threaded joints only.

2.8 Unless otherwise specified, water procurement, installation, and associated costs will be the responsibility of the Agency.

20Special Provisions State St. Landscaping Division 900-Irrigation Systems

2.9 Backflow Prevention devices – Backflow prevention devices will be shown on the plans. Furnish and install backflow prevention devices meeting the requirements of the State of Idaho and the local water purveyor regulations.

A. Below grade install - Wilkins “950XLT2” or approved equal. Size as shown on Plans.

B. Above grade install – Wilkins 975XL2 RPBA or approved equal. Size as shown on the Plans.

2.10 Flow Sensor

A. 2” and below – Rainbird FS200B-2 Brass Tee Flow Sensor or approved equal. Size as shown on plans.

B. 2.5” to 4” – Badger M2000 or approved equal. Size as shown on the plans.

C. 6” and above – Badger M2000 or equivalent w/ metal body and flanges.

2.11 Valves

A. Angled Gate Valves

1. LEEMCO lateral connection system and saddle tee or approved equal. Size per plan.

B. Manual Drain Valves:

1. 2” and under - Matco-Norca or approved equal. Size as shown on the plans.

2. Over 2” - Resilient Wedge Gate Valve size as shown on the plans.

C. Quick Coupling Valve: Rainbird “44LRC” or approved equal. For non-potable water systems Rain Bird “44NP” or approved equal.

D. Isolation Valve:

1. 2” and under - Matco-Norca or approved equal. Size as shown on the plans.

21Special Provisions State St. Landscaping Division 900-Irrigation Systems

2. Over 2” - LEEMCO Mechanical restrained Wedge Gate Valve or approved equal. Size as shown on the plans.

E. Electric Remove Control Valves: Rainbird PESB valves, sizes as shown on the plans

2.12 Valve Boxes and Lids

A. Backflow Prevention Device:

1. Above Grade – GS-3 Hinged Enclosure manufactured by Guardshack with green color and installed with a lock shield bracket or approved equal.

2. Below Grade

a. 2” and under Jumbo Carson Box - #2436 with flush cover, green, bolted closed.

b. 2” and above Carson Valve Box - #2436 with flush cover, green, bolted closed.

B. Electric remote-control and Isolation valves (2” and under), Electric master valve, Flow sensor: Carson jumbo box Spec grade box - 1220, Green, bolted closed AND Carson jumbo box extension PN:1220-6 for bottom box.

C. Isolation valves (over 2”) Carson #910 with T-Cover, green, bolted closed with 4” Minimum Size, Class 160 PVC sleeve down to valve.

D. Quick Coupler – Carson #910-10 with T-Cover, green, bolted closed.

E. Drain Valve – Carson #910-10 with T-Cover, green, bolted closed

F. In traffic bearing situations use traffic bearing concrete or polymer concrete boxes and lids rated for AASHTO H-20 highway loading. Sizes equivalent to above.

2.13 Irrigation Wire

22Special Provisions State St. Landscaping Division 900-Irrigation Systems

A. Control wire must be insulated, single strand copper designed for 24 volt or higher. It shall be 14 gauge underground approved copper wire.

B. Copper conductor must meet or exceed ASTMB-2 specifications.

C. Control wire must be U.L. approved as type U.F. (underground feeder).

D. Red and white colors required.

Valve wires to be red

Common wire to be white

E. Sufficient quantities must be supplied to meet splice and extra wire requirements listed under control wire installation.

F. All control wires shall be labeled at each end as to initial connection at controller and respective valve, in a permanent fashion.

2.14 Wire Connectors – 3M “DBRY” or approved equal.

2.15 Detectable Marking Tape – Use detectable marking tape consisting of inert polyethylene plastic that is impervious to all know alkalis, acids, chemical agents and solvents likely to be encountered in the soil with metallic foil core to provide the most positive detection by pipeline locators. Furnish color-coded tape with the type of line buried below and the word “Caution” imprinted continuously over its entire length in permanent black ink. Provide tape of the width recommended by manufacturer for the depth of installation used.

2.16 Tracer Wire – Copper #18 AWG minimum, UL listed, Blue

2.17 Sprinkler Heads – Makes and models shown on Plans.

2.18 Automatic Controller Cabinet – Provide one or more of the following, as specified on the Plans:

A. Baseline SS-Series Pedestal for BaseStation 3200

B. V.I.T. Products, Inc. “SB24SS/LMLC”, all doors and access panels to be lockable with padlock.

2.19 Conduit and Fittings

23Special Provisions State St. Landscaping Division 900-Irrigation Systems

A. Under ground: Sch. 40 grey PVC, Class III, conforming to UL Standard 651.

B. Above ground: Rigid Conduit, conforming to UL Standard 6A.

C. Conduits through walls shall be LB conduits.

D. Sweep ells shall be minimum 24” radius.

2.20 Grounding Equipment

A. Ground Rods: UL listed 5/8” x 8’ copper clad ground rod, with ground rod wire clamps as required per NEC.

B. Ground Wire: #6 AWG solid, soft-annealed uncoated copper, conforming to UL standard 719 per NEC.

2.21 Bedding and Backfill Materials

A. Mainline and Lateral Lines: Native on-site soil, free of rock and other deleterious materials. If rock or other deleterious materials are encountered, notify Owner’s Representative, and use clean fill sand if directed.

PART 3 QUALITY ASSURANCE

A. Comply with requirements of utility supplying water for prevention of backflow and back siphonage. Comply with appropriated water rights.

B. Installer Qualifications: Engage an experienced Installer with a minimum of five-years of experience and who has completed irrigation systems similar in material, design, and extent to that indicated for Projects that have resulted in construction with a record of successful in-service performance.

Professional Membership: Installer shall be a member in good standing of the Irrigation Association.

Experience: Company specializing in performing the work of this section with minimum five (5) years of documented experience and experience in the installation of a minimum of three (3) projects of similar nature and scope in addition to requirements in Division 01

24Special Provisions State St. Landscaping Division 900-Irrigation Systems

Section "Quality Requirements.". The installer shall have at least one supervisor responsible for the project who is a Certified Irrigation Contractor as recognized by the Irrigation Association.

The installer may be asked to provide references for verification of experience and quality of service.

Installer's Field Supervision: Require Installer to maintain an experienced full-time English speaking, supervisor on the Project site when irrigation work is in progress.

Personnel Certifications: Installer's field supervisor shall have certification in one of the following categories from the Irrigation Association:

Certified Irrigation Technician.

Certified Landscape Irrigation Auditor.

Certified Irrigation Contractor.

Certified Irrigation Water Manager.

C. Listing/Approval Stamp, Label, or Other Marking: On equipment, specialties, and accessories made to specified standards.

D. Listing and Labeling: Equipment, specialties, and accessories that are listed and labeled.

1. The Terms "Listed" and "Labeled": As defined in "National Electrical Code," Article 100.

2. Listing and Labeling Agency Qualifications: A "Nationally Recognized Testing Laboratory" (NRTL) as defined in OSHA Regulation 1910.7.

E. Product Options: Irrigation system piping, specialties, and accessories are based on specific types, manufacturers, and models indicated. Components with equal performance characteristics produced by other manufacturers may be considered, provided deviations in dimensions, operation, and other characteristics do not change design concept or intended performance as judged by the Landscape Architect. The burden of proof of product equality is on the Contractor. Any substitutions must be approved by the notify Boise Parks & Recreation's representative in writing prior to installation.

PART 4 WORKMANSHIP

3.1 All systems shall be installed prior to beginning final grading.

25Special Provisions State St. Landscaping Division 900-Irrigation Systems

3.2 Before proceeding with any work, the Contractor shall verify all dimensions pertaining to spacing of sprinkler heads and location of valves and other items.

Should any errors in the drawings or conflicts between the Drawing and/or Specifications be found, the Contractor shall immediately notify Boise Parks & Recreation's representative.

3.3 Excavation – Unless otherwise approved, do not obstruct private or public streets, drives, or pedestrian walkways. Keep the top 6 inches of topsoil, if applicable, separate from the subsoil and replace this soil as the top layer when backfilling with un-paved areas.

A. Irrigation Sleeves: Minimum width of trench to be 1 ½ times pipe outside diameter.

B. Main and lateral lines: Minimum width of trench to be 1 ½ times pipe outside diameter.

C. Exercise care when excavating near existing trees.

1. Provide notification to Boise Park & Recreation 24 hours in advance of trenching within 10’ of an existing tree.

D. Excavate to the following minimum cover depths:

1. 24-Inch for mainlines

2. 18-Inch for lateral lines

E. More than one pipe is permitted in the same trench under the following conditions:

1. 2 or more pipes may be laid horizontally if min. 10-inches of earth separates them.

2. No pipes may be stacked vertically.

F. All trenches must be straight with no abrupt changes in grade.

3.4 Pipe Bedding

A. Mainline and lateral lines. Provide uniform bearing surface of native on-site soil, free of rock another deleterious material. Remove any rocks or

26Special Provisions State St. Landscaping Division 900-Irrigation Systems other material that might damage pipe from the bottom of the trench. If rock or other deleterious materials are encountered, notify Owner’s Representative prior to placing pipe, and bed pipe with 2” minimum of clean fill sand if directed. Maintain specified cover depth.

B. The trench bottom must be free of rocks or sharp-edged objects.

Contractor shall include sand bedding pipe zone in bid as incidental to irrigation. Sand bedding pipe zone shall encompass the pipe with 3" of material on all sides. Submit sand product information for approval.

Sand must be clean with 100% passing a 40 screen.

C. Contractor shall avoid backfilling the remainder of the trench with rock, gravel, or non-native material larger than 1/4". All imported backfill must be clean topsoil or sand with 100% passing the ¼” screen.

D. Backfilling shall be done when pipe is not in an expanded condition due to heat or pressure. Cooling of the pipe can be accomplished by operating the system for a short time before backfilling in the early part of the morning before the heat of the day.

3.5 Sleeve Installation

A. Place all PVC pipe installed under pavement in pipe sleeves of Schedule 40 PVC unless shown or specified. Provide under sidewalks and locations shown on Plans as required to install irrigation system. Set sleeves at depth in accordance to trenched pipe depths. Solvent-weld sleeve sections. Extend sleeves a minimum of one foot beyond sidewalks or other paving on each side. Run sleeves level and perpendicular to sidewalks, curbs, etc. and pavement unless shown otherwise on Plans. Provide visible markers where sleeve ends are concealed. Coordinate installation of sleeves with other trades.

B. Provide and install sleeve marker at each end of the sleeve crossing pavement within the park.

3.6 Backflow Prevention Device Installation

A. Double Check Valve Assembly (DCVA) – Install, inspect, and test the DCVA according to applicable regulations of the State of Idaho and local water purveyor. Installation shall be by a licensed plumber or Landscape Contractor with backflow preventer installation license. Furnish test records on approved forms. Furnish forms filled out by a State-licensed

27Special Provisions State St. Landscaping Division 900-Irrigation Systems

Backflow Assembly Tester documenting that the DCVA is in good operating condition before any flushing and testing of downstream water lines. Repair or replace the DCVA whenever it is found to be defective.

B. Reduced-Pressure Backflow Assembly (RPBA) – Install, inspect, and test the RPB\A according to the applicable portions of the Idaho Plumbing Code and applicable regulations of the State of Idaho and the local water authority. Installation to be by a licensed plumber or Landscape Contractor with backflow preventer installation license. Apply the same specific testing requirements as stated for the DCVA above.

3.7 Pipe Installation and Jointing

A. During construction, plug or cap ends to prevent entry of dirt, rocks, or other debris. Exercise care in handling, loading, unloading, and storing to avoid damage. The pipe and fittings shall be stored under cover and shall be transported in a vehicle with a bed long enough to allow the length of pipe to lay flat, so as not to be subject to undue bending or concentrated external load at any point. Any pipe that has been dented or damaged shall be discarded until such damage has been cut out and the pipe is rejoined with coupling. No PVC pipe may be threaded or connected to a threaded fitting without an adapter.

B. Follow instruction in Uniform Plumbing Code, Section 802.1.5, and manufacturer’s instructions. Snake pipe slightly to allow for pipe movement. Cut all pipe square and remove burrs. Chamfer all outside edges of pipe. Clean and dry ends of pipe to be joined. Apply liberal coat of primer solvent to both pieces of pipe to be joined. Immediately apply cement to both piece of pipe to be joined using a light coat to inside of female fitting to prevent puddling inside pipe and fitting. Attach pipe while both surfaces are wet and hold together until pipe will not back out.

Bottom the pipe into socket one-quarter turn while entering. Wipe excess solvent cement from outside of joint. Solvent welded joints shall be given at least 15 (fifteen) minutes set-up time before moving or handling. Allow 24 hours before pressurizing pipe.

C. Threaded Plastic Pipe – Thread conventional equipment. Plug pipe ends during threading to prevent pipe distortion or damage. Do not use solvent cement on joints.

28Special Provisions State St. Landscaping Division 900-Irrigation Systems

D. Polyethylene Pipe – Install polyethylene pipe and fittings according to the manufacturer’s recommendations. Cut the ends of the polyethylene pipe square and insert the fitting to its full depth.

E. Repair Fittings – Install repair fittings only when shown on Plans or approved by Engineer prior to installation. Install repair fitting type as directed by City of Boise Parks & Recreation or shown on Plans. Install all materials per the manufacturer’s instructions.

3.8 Valve Installation:

A. Electric Master Valve – Install at locations as shown on the Plans and per the manufacturer’s instructions.

B. Isolation Valve – Install if shown and as detailed on Plans.

C. Gate Valve and Electric Remote-Control Valve – Install level and square, as detailed, and according to the manufacturer’s recommendations.

Ensure detailed clearance tolerances are met.

D. Manual Drain Valve – Install only when shown and detailed on Plans.

E. Quick-Coupling Valve – Install plumb and secure in the valve box, with top of valve set 3-inches below top of box and grade. Place ½-inch open crushed rock in valve box to 1 ½-inches below top of valve. Support quick coupler by attaching 18” length #4 rebar with two stainless steel clamps each side. See detail.

F. Flow Sensor Installation – Install at locations shown on the Plans and per the manufacturer’s instructions. Ensure required pipe run distances on each side of the flow sensor are met.

3.9 Valve Covers and Boxes Installation – Use only one valve per box unless otherwise approved. Set all valve boxes at grade of lawn or shrub mulch surface unless otherwise noted. Maintain minimum 18-inch coverage from finished grade to lateral pipe. Valve boxes must have a minimum 24-square inches of bearing surfaces.

A. Install (2) boxes for each control valve. Set one upside down and attach to top box with stainless steel screws. Bed with 2” of sand. Use landscape fabric to cover holes in box around pipe. See detail.

29Special Provisions State St. Landscaping Division 900-Irrigation Systems

B. When required add bricks or concrete blocks with at least 12-square inches each on either side of the valve to get 24-square inches. Ensure minimum additional 48-inches of wire above finished grade is coiled around 1/2-inch pipe in box. See detail.

3.10 Low Voltage Electrical Installation:

A. General – Install wire in continuous runs with no splices, unless approved. Install wire beneath main line pipe and coil 18” extra wire at 100’ intervals and at each turn to allow for contraction of wire. Bundle wire together at 5-foot intervals with plastic tape or similar. Ensure minimum additional 48-inches of wire above finished grade is coiled around ½’inch pipe in boxes and minimum 48-inchs of wire inside automatic controller pedestal to allow connection of all equipment.

1. When it is necessary to run wire separate from the irrigation pipe, bundle wire, cover with 6” fill sand and place detectable marking tape over sand cover prior to backfilling.

2. Connect Electric Remote-Control Valves and Master Valve to control and common wires using DBRY wire connectors. Connect controller end of wires to the locations identified on the city installed terminal strip at the controller location. Control wires shall be labeled at each end as to initial connection at controller and respective valves in a permanent fashion. Ensure all zones are operational.

3. The wiring may share a common neutral. When more than one automatic controller is required, provide a separate common neutral for each controller and the automatic valves it controls.

Run separate control conductors from the automatic controller to each valve.

4. Spare wires: Install spare wires from inside the automatic controller pedestal location to the furthest end of each mainline run. Loop spare wires into each valve box, or center valve box if a cluster of valves. Ensure minimum additional 48” of each wire (to center of loop) above finished grade is coiled around ½-inch pipe in boxes. Install wire connectors at the end of spare wires.

5. Splices: If approved, make all splices in an approved valve box and note these on record drawing. They must be spliced and

30Special Provisions State St. Landscaping Division 900-Irrigation Systems watertight. Contractor to Provide an extra 48” of each wire coiled at each approved splice to allow for contraction of wire due to temperature or settlement of backfill. Splices at the valve will be accomplished with a direct bury splice kit. There are to be no splices of the lead wire between the valve and the controller.

There must be a separate lead or "hot" wire to each automatic valve. The common ground wire can connect to all valves

6. Communication Wire – Install communication wire in continuous runs with no splices from flow sensor valve box to automatic controller pedestal location and as shown on Plans. Install wire beneath main line pipe. Ensure all wires are operational.

a. Ensure minimum additional 48-inches of wire above finished grade is available in flow sensor valve box and minimum additional 48-inches of wire is inside the automatic controller pedestal to allow connection of all equipment.

7. Tracer Wire – The Contractor shall place specified tracer wire below the pipe to allow for location and marking of all otherwise un-locatable buried pipe containing pressurized water. Tracer wire shall be continuous without splices unless approved prior to the work.

a. Tracer wire shall be extended into meter and valve boxes and shall wrap around fixture with sufficient length to extend 48” above finished grade. Ensure all wires are operational.

b. If approved, splices in tracer wire shall be insulated and waterproofed…