City_of_Meridian_Special_Provisions.pdf

Meridian Special Provisions August 2026 Franklin Road (McDermott to Black Cat) Page 2

McDERMOTT ROAD TO BLACK CAT ROAD

UTILITY IMPROVEMENTS

GENERAL PROVISIONS

This project is to be contracted and constructed as part of the Ada County Highway District’s Franklin Road (McDermott Road to Black Cat Road) project. All sanitary sewer and potable water work shall be inspected by the City of Meridian. Contact City of Meridian Public Works Department to coordinate inspections. Construction staking for the sanitary sewer and potable water utility improvement work shall be provided by the City of Meridian, unless otherwise noted. Project coordination and inspection of trench backfill above the pipe zone shall be provided by ACHD.

All work associated with the construction of the sanitary sewer and potable water improvements shall be in accordance with the current version of the Idaho Standards For Public Works Construction (ISPWC), the City of Meridian Supplemental Specifications to the ISPWC (and any addendums), the City of Meridian Standard Drawings, the requirements of the Ada County Highway District (ACHD), the Uniform Plumbing Code, and the laws of the State of Idaho, unless modified otherwise on the plans and following Special Provisions.

Traffic control beyond that provided under the prime roadway contract may be required for these utility improvements. All required traffic control shall conform to the requirements of the Ada County Highway District and the Manual on Uniform Traffic Control Devices. All required traffic control shall be considered incidental to the project, and no separate payment will be made.

All work and materials required to complete this project not specifically included in a bid item shall be considered incidental to the project, and no separate payment will be made.

All work and materials are subject to all conditions of the Ada County Highway District Contract Documents and General Special Provisions.

Contractor shall provide compaction testing of all materials by an independent third-party testing firm.

A copy of testing results shall be provided to the City Public Works Inspector. Trenches shall be tested per ISPWC Section 204.3.4.E.

All trench excavation and backfill shall conform to Division 300 of the ISPWC and the City of Meridian Standard Specifications and Drawings. The Contractor is not required to remove all trench excavation materials from the site and replace them with imported pit run or 3/4”-minus backfill. The Contractor must meet all trench compaction requirements of the Ada County Highway District for backfill above the pipe zone and all utility trench backfill within the road right-of-way shall be Type A.

The City of Meridian shall provide one set of construction stakes for each new water service, water main casing, fire hydrant, locate station, water main bend, water main tee, blow-off, at 100’ intervals along the water main, sewer manhole, sewer main casing, and at one intermediate point on the new sewer main when the distance between manholes is greater than 300’.

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It shall be the Contractor’s responsibility to protect construction stakes once requested by the Contractor. Construction stakes destroyed after being requested by the Contractor shall be restored at Contractor’s expense. These costs shall be deducted from progress payments. The Contractor shall remove all construction stakes remaining at project completion. The cost to remove stakes shall be considered incidental to the project.

Contractor shall provide continuous sewer and water service to all affected properties. Service disruptions of less than 6 hours may be acceptable with prior approval from the City. Required water main shutdowns shall be coordinated and scheduled with City Public Works Inspector. The Contractor is required to notify the City Public Works Inspector of any water main shutdowns a minimum of seven business days prior to the shutdown. Property owners shall be notified of any service disruptions a minimum of 48 hours in advance. Contractor shall provide a high-line water service bypass system and/or temporary valves, blow-offs, plugs/caps and other items as necessary to provide continuous water service.

Contractor shall contact governing irrigation district at least five days prior to starting work near irrigation facilities. All sewer and water work near irrigation facilities shall be completed during the non-irrigation season (October 15 to March 15).

It shall be the Contractor’s responsibility to protect and retain sewer manhole covers, sewer manholes and sewer mains through all phases of construction. Contractor shall be required to hydroclean and CCTV inspect sewer if debris enters the active sewer system at any phase of construction. No additional payment shall be made by the City of Meridian for hydrocleaning and CCTV inspection.

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SPECIAL PROVISIONS

1. 205.4.1.B.1. – DEWATERING

ON PAGE 1 OF SECTION 205 OF THE ISPWC, PART 1.4.A, replace the entire section with the following:

The Contractor shall prepare a dewatering plan that will dewater all trenches to draw the groundwater to one foot below the bottom of the trench. The plan shall include a statement of the method, installation and operation details of the proposed method, disposal location, schedule, erosion and siltation control. Include a description of the program to monitor water quality during dewatering. Contractor shall prepare a contingency plan for equipment or power failure and unexpected flow conditions. The Contractor shall submit the dewatering plan to the City of Meridian for review and approval. The dewatering plan must be approved by the City of Meridian and the Idaho Department of Environmental Quality (IDEQ) prior to starting work.

ON PAGE 2 OF SECTION 205 OF THE ISPWC, PART 1.5, add the following:

All dewatering shall conform to the Construction Stormwater General Permit for the project.

Turbidity monitoring may then be required if there is a direct discharge to a water body that is impaired due to sedimentation/siltation. IDEQ will review the Notice of Intent (NOI) submitted by the Contractor and will then notify the Contractor if they will be required to perform turbidity monitoring. No additional payments shall be made by the City of Meridian if turbidity monitoring is required.

The Owner has not secured permits to discharge water to any irrigation or storm drain system.

Contractor shall be responsible for securing any necessary approvals from the governing irrigation district, Ada County Highway District, and property owner’s prior to starting construction.

2. 306.4.1.D.1. – IMPORTED TRENCH BACKFILL, TYPE A (PRE-APPROVAL REQUIRED)

ON PAGE 1 OF SECTION 306 OF THE ISPWC, PART 1, add the following:

This item shall only be used when excavated trench materials are deemed unsuitable for use. The Contractor is not required to remove all trench excavation materials from the site and replace them with imported trench backfill. Prior to importing trench backfill, the Contractor shall receive prior approval from the City of Meridian Inspector.

ON PAGE 3 OF SECTION 306 OF THE ISPWC, PART 3, add the following:

The Contractor shall handle and store all excavated trench materials in such a manner as to preserve the quality of the materials. If materials are not preserved and therefore deemed unsuitable for use, Contractor shall import suitable materials at no additional cost to the City.

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ON PAGE 8 OF SECTION 306 OF THE ISPWC, PART 4.1.D., add the following:

Payment will not be made for imported trench backfill without prior approval by the City of Meridian Inspector.

3. 307.4.1.G.1. – TYPE P SURFACE RESTORATION

ON PAGE 5 OF SECTION 307 OF THE ISPWC, PART 3.8, add the following:

Temporary Type “P” restoration shall be used for trench restoration in areas of the roadway reconstruction project that must remain open to traffic. It is the intent of this contract that all utility work be coordinated with the roadway reconstruction work such that temporary trench restoration is minimized. When it is necessary for the utility work to precede the roadway work, all trenches shall be restored before they are reopened to through traffic. Temporary trench restoration shall meet the requirements of the General Contractor and ACHD.

Once trenches are restored with temporary pavement, ongoing maintenance of the trench repair shall be performed by the General Contractor under the roadway project until the final surfacing is placed and is considered incidental to the Type P Surface Restoration pay item and no separate payment shall be made.

Temporary Type “P” restoration shall only be completed when prior approval is received in writing from the City of Meridian

ON PAGE 11 OF SECTION 307 OF THE ISPWC, PART 4.1.G., add the following:

Payment will not be made for Temporary Type “P” restoration without prior approval by the City of Meridian.

4. 310.4.1.A.1. – PIPE CASING AND SLEEVING

See Section 310 of the City of Meridian Supplemental Specifications to the ISPWC, Meridian Standard Drawings SW-2, W-15A and W-15B.

ON PAGE 4 OF SECTION 310 OF THE SUPPLEMENTAL SPECIFICATIONS, PART 2, add the following:

Carrier pipe skids shall be a polyethylene casing spacer/insulator (no metal bands) suitable for use with the type and size of carrier pipe. They shall be a Calpico Model PX casing insulator, a CCI Piping Systems Model CSP casing spacer or an approved equal. The Contractor shall confirm that the casing spacer/insulator is suitable for use with the type and size of carrier pipe and the size of casing prior to ordering the casing spacer/insulator.

Watertight end seals shall be 1/8” thick neoprene seal boots attached to the pipe with stainless steel worm gear bands.

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ON PAGE 5 OF SECTION 310 OF THE ISPWC, PART 3, add the following:

Carrier pipe skids shall be installed in all sleeves and casings, except skids are not required on water service lines of 2” Ø or less.

The ends of the annular space on all sleeves and casings shall be sealed with watertight seal boots.

The sleeve or casing pipe shall be installed at the same slope as the carrier pipe, and the carrier pipe shall be centered inside the sleeve or casing pipe.

The annular space between the sleeve or casing and carrier pipes shall be filled in accordance with the ISPWC and City of Meridian Supplemental Specifications.

ON PAGE 6 OF SECTION 310 OF THE SUPPLEMENTAL SPECIFICATIONS TO THE

ISPWC, PART 4.1.A., replace the entire section with the following:

Pipe Casing and Sleeving: By the linear foot measured on a horizontal basis through the centerline of the casing or sleeve pipe for the size of pipe indicated. Includes casing or sleeve pipe, pipe skids, carrier pipe joint restraints, end seals, annular space backfill, and all appurtenances necessary for the completion of the bid item.

5. 401.4.1.A.1. – WATER MAIN

ON PAGE 9 OF SECTION 401 OF THE ISPWC, PART 3.2.R., add the following, Fusion process shall be performed by a technician and/or contractor licensed and trained by pipe manufacturer. Only appropriately sized and outfitted fusion machines that have been approved by the pipe supplier shall be used for the fusion process. Each fusion joint shall be recorded and logged by an approved electronic monitoring device (data logger) connected to the fusion machine, which utilizes a current version of the pipe supplier’s recommended and compatible software.

ON PAGE 11 OF SECTION 401 OF THE ISPWC, PART 3.9, add the following, Flushing and disinfection shall be in accordance with section 401.3.9 of the City of Meridian Supplemental Specification and Drawings to the ISPWC. Heavily chlorinated water (above normal system residuals) shall be flushed through a dechlorinator such as a Romac Dechlorinator (378-0320) or other commercial device capable of dechlorinating the disinfection water concentration and flow encountered. Contractor shall receive permission in writing from landowner, irrigation district or storm drain system owner prior to discharging to land, irrigation facility or storm drain system.

Flushing shall also be in accordance with the Idaho Department of Environmental Quality (IDEQ) Guidance for Public Water System Disposal of Water from Construction, Maintenance, and Operations. This document can be found at:

http://www.deq.idaho.gov/media/1117311/pws-disposal-guidance-0414.pdf http://www.deq.idaho.gov/media/1117311/pws-disposal-guidance-0414.pdf

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ON PAGE 18 OF SECTION 401 OF THE ISPWC, PART 4.1.A., add the following, Fittings are called out on the plans in order to aid the Contractor in understanding the intent of the planned construction. All required fittings are considered incidental to the pipe bid item, and no separate payment will be made. Any additional fittings required to complete the work which are not shown on the plans shall be furnished and installed by the Contractor under the pipe bid item, and no separate payment will be made. The Contractor may provide fittings differing from those called for on the plans with the approval of the Meridian Public Works Department.

The Contractor shall provide all materials, equipment, and labor necessary to make adjustments at non-potable pipe crossings to install water main in accordance with the Idaho Rules for Public Drinking Water Systems (IDAPA 58.01.08).

6. 401.4.1.D.1. – LOCATE STATION

ON PAGE 1 OF SECTION 401 OF THE ISPWC, PART 1.1.D., add the following:

This item includes furnishing all materials, equipment and labor necessary to install locate stations at the locations shown on plans and per Meridian Standard Drawing G5.

ON PAGE 7 OF SECTION 401 OF THE ISPWC, PART 2.13, add the following:

All materials shall be in accordance with the ISPWC and the City of Meridian Supplemental Specifications and Standard Drawing G5.

ON PAGE 18 OF SECTION 401 OF THE ISPWC, PART 4.1.D., add the following

Locate Station: On a per each basis and shall include all labor, equipment, and materials necessary for the completion of the bid item.

7. 402.4.1.A.1. – GATE VALVE

ON PAGE 4 OF SECTION 402 OF THE ISPWC, PART 2.7, add the following:

Valve box lids within Franklin Road shall be a Bingham and Taylor Heavy Weight Tri-Skirt lid

L4905-TRI.

ON PAGE 4 OF SECTION 402 OF THE ISPWC, PART 3.2, add the following:

Contractor shall protect and retain valve covers through all phases of construction. Preliminary adjustments may be required to allow placing of base courses and paving over the valve boxes.

Valve boxes shall be adjusted to final grade and the concrete collar constructed after paving is completed. The concrete collar is considered incidental to the gate valve item, and no separate payment shall be made.

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8. 403.4.1.A.1. – FIRE HYDRANT ASSEMBLY WITH LOCATE STATION

ON PAGE 2 OF SECTION 403 OF THE ISPWC, PART 2, add the following:

Joint restraints shall be in accordance with Meridian Standard Drawing W8 and the associated approved parts list.

ON PAGE 2 OF SECTION 403 OF THE ISPWC, PART 2.2.A.2, add the following:

All new fire hydrants shall have a Storz connection on the 4-1/2” pumper nozzle.

ON PAGE 4 OF SECTION 403 OF THE ISPWC, PART 3.2, add the following:

A locate station shall be installed at each hydrant per City of Meridian Standard Drawings G5 and W8. The locate station shall be paid for as bid item 401.4.1.D.1.

Joint restraints shall be installed at all new fittings and pipe joints per Meridian Standard Drawing W8.

9. 404.4.1.A.1. – WATER SERVICE CONNECTION

404.4.1.A.1. – RELOCATE EXISTING WATER METER

ON PAGE 1 OF SECTION 404, PART 1.1, add the following:

This item shall include adjusting the cover to final grade once all roadway and landscape construction is completed.

Relocate Existing Water Meter:

This item also includes furnishing all materials, equipment, and labor necessary to relocate an existing water meter at the locations shown on the plans. Prior to starting relocation, Contractor shall confirm with the City of Meridian Public Works Inspector that the existing water meter/service is operational and that the City wishes to relocate the existing water meter/service, or if the City wishes to completely replace it with a new water service connection under this bid item.

ON PAGE 5 OF SECTION 404, PART 3.2, add the following:

Contact Meridian Public Works Inspector a minimum of five (5) days prior to installing the service connection to coordinate meter delivery and installation.

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Relocate Existing Water Meter:

The existing water service vault, cover, meter setter, meter, valves, fittings and other appurtenances shall be relocated in accordance with City of Meridian and ISPWC standards.

The service line shall extend to the new meter vault location in accordance with City of Meridian standards. No splices are allowed on service lines; service lines may be fused. The existing locate wire shall be repaired as necessary to provide continuity in accordance with City of Meridian Standard Specifications. Any alignment adjustments needed for connection to water lines on customer side of meter shall be made after the meter vault on the customer side. The Contractor shall provide the following information to the City Inspector or Project Manager following the relocation of a water service:

a. Unit ID of service abandoned.

b. New Unit ID if meter is being relocated.

c. Date service was abandoned and new service was installed.

d. Stamp date and pipe material type of new water line.

e. Address(s) served for each meter

f. Water service type (single or dual), size, and pipe material of service line piping from main to meter pit

g. Material of private water line piping from the meter pit (City and Customer side)

10. 501.4.1.B.1. – SANITARY SEWER PIPE

ON PAGE 3 OF SECTION 501 OF THE ISPWC, PART 2.2.A, add the following:

Uni-Flange Series 1390 (or approved equal) joint restraints shall be used at each joint inside steel casing if noted on plan sheets.

ON PAGE 5 OF SECTION 501 OF THE ISPWC, PART 3, add the following:

Contractor shall handle and store all excavated trench materials in such a manner as to preserve the quality of the materials. If materials are not preserved and therefore deemed unsuitable for use, Contractor shall import suitable materials at no additional cost to the City.

Contractor shall provide trench shoring as required to retain and protect existing sewer main and all other pipelines while installing the new sewer main. Contractor shall provide all temporary piping, manholes, cleanouts and other items required to install the new sewer pipe and maintain service to users.

Sewage shall only be allowed to flow in new pipe once it has been tested and approved by the City of Meridian.

ON PAGE 7 OF SECTION 501 OF THE ISPWC, PART 3.4, add the following:

Contractor shall be responsible for testing the sewer pipe. If the pipes are to be hydrostatic tested, the Contractor shall be responsible for providing all water required to complete the test. If the

Franklin Road (McDermott to Black Cat) Page 10 pipes are a dry sewer main, the Contractor shall be responsible for pumping all water out of the pipes after the testing is completed.

11. 502.4.1.A.1. – SEWER MANHOLE

ON PAGE 4 OF SECTION 502 OF THE ISPWC, PART 3, add the following:

Contractor shall protect and retain manhole covers through all phases of construction.

Preliminary adjustments may be required to allow placing of base courses and paving over the manhole covers. Manhole covers shall be adjusted to final grade, and the concrete collar constructed, after paving is completed. The concrete collar is considered incidental to the manhole item, and no separate payment shall be made.

ON PAGE 8 OF SECTION 502 OF THE ISPWC, PART 3.12, add the following:

Contractor shall be responsible for testing the sewer manholes. If the manholes are to be hydrostatic tested, the Contractor shall be responsible for providing all water required to complete the test. If the manholes are connected to a dry sewer main, the Contractor shall be responsible for pumping all water out of the manholes after the testing is completed.

12. 503.4.1.A.3. – SEWER SERVICE CLEANOUT

ON PAGE 2 OF SECTION 503 OF THE ISPWC, PART 2.2.A., add the following:

Non-boltdown covers per ISPWC SD-506B shall be used in all areas (including lawn areas), except a threaded PVC cap may be used in landscape planter areas and when cleanout is placed next to building if approved by the property owner.

ON PAGE 3 OF SECTION 503 OF THE ISPWC, PART 3.4, add the following:

Covers shall be adjusted to final grade after final grading is completed. Non-boltdown covers shall be set flush with finished grade. Threaded PVC cap, when allowed, shall be set 4 inches above finished grade. A concrete collar shall only be required when cleanout is placed in pavement, gravel driveways and other potential traffic areas.

13. 2030.4.1.C.1. – ADJUST EXISTING VALVE BOX TO GRADE

ON PAGE 1 OF SECTION 2030 OF THE ISPWC, PART 1.1.A, add the following:

All adjustments required on new water valve boxes installed as part of this project shall be considered incidental to the gate valve bid item.

ON PAGE 3 OF SECTION 2030 OF THE ISPWC, PART 3.1.F., replace the entire section with the following:

Contractor shall protect and retain all existing valve covers through all phases of construction.

Preliminary adjustments may be required to allow placing of base courses and paving over the

Franklin Road (McDermott to Black Cat) Page 11 valve boxes. Valve boxes shall be adjusted to final grade and the concrete collar constructed after paving is completed.

14. 2030.4.1.D.1. – ADJUST EXISTING BLOW-OFF TO GRADE

ON PAGE 1 OF SECTION 2030 OF THE ISPWC, PART 1.1.A., add the following:

All adjustments required on a new blow-off installed as part of this project shall be considered incidental to the new blow-off bid item.

ON PAGE 3 OF SECTION 2030 OF THE ISPWC, PART 3.1.F., add the following:

Contractor shall protect and retain all existing blow-off covers through all phases of construction.

Preliminary adjustments may be required to allow placing of base courses and paving over the blow-off covers. Blow-off covers shall be adjusted to final grade and the concrete collar constructed per Meridian Standard Drawing W-12 after paving is completed.

15. SP-M04004 – 2” BLOW-OFF ASSEMBLY

Description: This item includes furnishing all materials, equipment, and labor necessary to install blow-off assemblies at the locations shown on the plans.

Workmanship: Blow-off Assembly shall be installed in accordance with Meridian SD-W12 as indicated on the plans.

Measurement and Payment: 2” Blow-off Assembly shall be on a per each basis and shall include all labor, equipment, and materials necessary for the completion of the bid item.

Payment for this item shall be made under:

SP-M04004 – 2” Blow-off Assembly ................................................................................. Per Each

16. SP-M04007 – ABANDON EXISTING WATER SERVICE

Description: This item shall include furnishing all materials, equipment, and labor necessary to abandon an existing water service at the location shown on the plans.

Workmanship: Existing water services shall only be abandoned once the new water service has been installed, disinfected, tested and put in service. All existing pipe, fittings, valves, casings, vaults, and other appurtenances shall be excavated and removed from the project unless otherwise noted. All areas shall be backfilled with native soil.

Contractor shall allow the City to inspect all removed materials, and the City shall determine which materials they wish to retain. Contractor shall deliver all materials the City wishes to retain to the City Water Department storage yard. Contractor shall remove all other materials from the job site and dispose of them at an appropriate site.

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When an existing water service is connected to an existing water main that is to be kept in service, a red brass plug shall be installed in the service saddle at the water main, and a minimum of 5 feet of the service line shall be removed. Service line shall be capped at all ends left in the ground.

At all locations, the Contractor shall remove the existing meter vault and any appurtenances.

Meter vault area shall be backfilled and the surface repaired to match adjoining surfaces.

Abandoned service pipe shall be removed to the extent possible, without performing significant amounts of additional unnecessary excavation. No additional payments will be made for surface restoration necessary to remove service pipe.

The Contractor shall provide the following information to the City Inspector or Project Manager following the abandonment of a water service:

h. Unit ID of service abandoned.

i. New Unit ID if meter is being relocated.

j. Date service was abandoned and new service was installed.

k. Stamp date and pipe material type of new water line.

l. Address(s) served for each meter

m. Water service type (single or dual), size, and pipe material of service line piping from main to meter pit

n. Material of private water line piping from the meter pit (City and Customer side)

Measurement and Payment: Shall be on a per each basis and shall include all labor, equipment, and materials necessary for the completion of the bid item.

SP-M04007 – Abandon Existing Water Service ................................................................ Per Each

17. SP-M04023 – CONNECT EXISTING WATER LINES TO NEW WATER SERVICE

Description: This item includes furnishing all materials, equipment and labor necessary to connect existing water lines on property owner side of meter to new water service.

Workmanship: Existing potable water lines to buildings and existing irrigation lines shall be disconnected from the existing water meter and connected to the new water service connection provided under bid item 404.4.1.A.1. The existing lines shall only be disconnected from the existing water services and connected to the new water service once the new water service connections are complete and approved for service by the City.

Existing water line sizes may not match new water service connection installed under bid item 404.4.1.A.1. Contractor shall provide all fittings required to complete connection.

Contractor shall repair or replace landscaping, sprinkler systems, or other items damaged during construction.

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Measurement and Payment: Connect Existing Water Lines to New Water Service shall be on a per each basis and shall include all labor, equipment and materials necessary for the completion of the bid item.

SP-M04023 – Connect Existing Water Lines to New Water Service ................................ Per Each

OWNER