Utility_Improvements_Special_Provisions.pdf

Meridian Special Provisions January 2026 Stoddard Road (Victory to Overland) Page 2

CITY OF MERIDIAN

STODDARD ROAD

VICTORY ROAD TO OVERLAND ROAD

UTILITY IMPROVEMENTS

GENERAL PROVISIONS

This project is to be contracted and constructed as part of the Ada County Highway District’s Stoddard Road (Victory Road to Overland 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 the 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 trenches backfill within the road right-of-way shall be Type A.

The City of Meridian shall provide one set of construction stakes for each relocated fire hydrant and leak detection station.

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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. The Contractor shall remove all construction stakes remaining at project completion. The cost to remove stakes shall be considered incidental to the project.

The contractor shall provide continuous sewer and water service to all affected properties. Service disruptions of fewer than 6 hours may be acceptable with prior approval from the city. Any 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 10 business days prior to the shutdown. Property owners shall be notified of any service disruptions a minimum of 48 hours in advance.

The contractor shall contact the governing irrigation district at least five (5) 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. 303.4.1.A.3. – EXPLORATORY EXCAVATION

ON PAGE 1 OF SECTION 303 OF THE ISPWC, PART 1.1.A, replace the entire section with the following:

This item includes furnishing all materials, equipment, and labor necessary to perform exploratory excavation as noted on the plans.

This item shall be used by the Contractor to determine if there is a conflict or a lack of separation between the existing water main and the new irrigation or storm drain line by ACHD or to identify existing water main fittings that were used and to determine what appropriate plug, cap or blind flange fittings will be required to remove existing water main stub.

Prior to starting exploratory excavation, the Contractor shall receive prior approval from the City of Meridian Inspector on the Contractors method and the number of hours the Contractor expects to spend on exploratory excavation. The inspector shall observe the exploratory excavation and approve the number of hours to be paid for by the City.

ON PAGE 3 OF SECTION 303 OF THE ISPWC, PART 4.1.A., add the following:

Payment will not be made for exploratory excavation without prior approval by the City of Meridian Inspector.

2. 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.

Joint restraints on C900 PVC potable water mains pipe shall be Uni-Flange Series 1350 or approved equal. Contractor shall verify joint restraints fit inside casing and adjust casing size as necessary prior to ordering casing.

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

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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. Joint restraints shall be installed on C900 PVC potable water mains at each joint inside casing.

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.

3. 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

ON PAGE 18 OF SECTION 401 OF THE ISPWC, PART 4.1.A., add the following, http://www.deq.idaho.gov/media/1117311/pws-disposal-guidance-0414.pdf

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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).

4. 401.4.1.D.1. – LOCATE STATION

ON PAGE 1 OF SECTION 401 OF THE ISPWC, PART 1.1.C, 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. This item shall include the installation of a locate station at all relocated fire hydrants.

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 17 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.

5. 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 Stoddard Road and Kodiak Drive 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.

6. 403.4.1.A.1. – RELOCATE EXISTING FIRE HYDRANT ASSEMBLY

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ON PAGE 1 OF SECTION 403 OF THE ISPWC, PART 1.1.B., add the following:

This item also includes furnishing all materials, equipment, and labor necessary to relocate an existing fire hydrant 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 fire hydrant is operational and that the City wishes to relocate the existing hydrant. The existing locate wire shall be repaired as necessary to provide continuity in accordance with City of Meridian Standard Specifications.

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 relocated fire hydrants shall have an approved Storz connection adapter added onto the 4-1/2” outlets if there currently is not one installed.

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

A locate station shall be installed at each relocated 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.

The existing water line pipe shall be replaced back to the last bell or back to the gate valve. No couplers are allowed on the pipe between the valve and the hydrant.

7. 404.4.1.B.1. – LEAK DETECTION METERING STATION

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.

ON PAGE 2 OF SECTION 404 OF THE ISPWC, PART 2, add the following:

Leak detection metering station materials shall be in accordance with Meridian Standard Drawing W14 and the associated approved parts list.

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

Leak detection metering station shall be installed in accordance with Meridian Standard Drawing W14.

8. 1102.4.1.E.1. – FIBER OPTIC CONDUIT

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ON PAGE 1 OF SECTION 1102 OF THE ISPWC, PART 1.1.B, add the following:

This item includes furnishing all materials, equipment, and labor necessary to install fiber optic conduit at the locations shown on the plans. Contractor shall provide and install all conduit, locate wire, pull cords, and necessary fittings as required to complete installation of conduit as shown on plans.

ON PAGE 4 OF SECTION 1102 OF THE ISPWC, PART 2.5.B.1, replace the entire section with the following:

Conduit shall be 2” Polyvinyl Chloride (PVC), Schedule 40, unless otherwise indicated or approved. All conduit shall be sealed in junction boxes with a closed polyvinyl plug that will prevent moisture and foreign material from entering conduits. Broken plugs and plugs that do not achieve a tight seal shall be rejected. Plugs shall be of an appropriate size to properly seal the conduit, as recommended by the manufacturer. Approximately ½ inch of the plug length shall remain exposed after installation. Connection of conduit segments shall be completed with slip-on fittings. Contractor shall provide all large-radius bends (8’ radius minimum) that are required for the installation of the fiber optic cable inside the conduit at a later date.

Locating wire shall be a No. 12 AWG copper with insulation. Locate wire connectors shall be lockable connectors specifically manufactured for use in underground locating wire installation.

Connectors shall be dialectic silicon filled to seal out moisture and corrosion.

Hazard tape shall be 6” wide, orange with black text reading “CAUTION BURIED FIBER OPTIC BELOW”. Tape shall be plastic, or other approved non-biodegradable material.

ON PAGE 10 OF SECTION 1102 OF THE ISPWC, PART 3.4.B.5., replace the entire section with the following:

Locate wire shall be installed in each conduit with a minimum of five feet of slack looped in each junction box. The locate wire shall be installed as a single continuous wire between junction boxes and connected together at each junction box. All locate wire shall be tested for continuity by the Contractor in the presence of the City’s Inspector.

ON PAGE 10 OF SECTION 1102 OF THE ISPWC, PART 3.4.B.7., replace the entire section with the following:

Conduit shall have a minimum cover below finish grade of 18” under sidewalks and 30” everywhere else, unless otherwise noted on the plans.

ON PAGE 10 OF SECTION 1102 OF THE ISPWC, PART 3.4.B.8., add the following:

A pull cord shall be installed inside all conduit.

ON PAGE 10 OF SECTION 1102 OF THE ISPWC, PART 3.4.B.9., add the following

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Hazard tape shall be placed 12 inches above the conduit in all trenches.

ON PAGE 13 OF SECTION 1102 OF THE ISPWC, PART 4.1.E., replace the entire section with the following:

Measurement and payment on a per horizontal linear foot basis for the conduit installed from center of junction box to center of junction box. Includes all labor, equipment, and materials necessary for the completion of the bid item.

9. 1102.4.1.F.1. – FIBER OPTIC JUNCTION BOX

ON PAGE 1 OF SECTION 1102 OF THE ISPWC, PART 1.1.C, add the following:

This item includes furnishing all materials, equipment, and labor necessary to install a fiber optic junction box at the locations shown on the plans.

ON PAGE 3 OF SECTION 1102 OF THE ISPWC, PART 2.2, replace the entire section with the following:

The junction box shall be at least 18” wide by 30” long by 24” deep, unless otherwise approved.

The junction box shall be a heavy-duty enclosure unless otherwise noted on the plans. HDPE material may be used when boxes are located in soft landscaping. Metal or concrete shall be used when boxes are in sidewalks or roadways. Box covers shall be fastened with stainless steel hex head bolt, washer, and floating nut. All covers shall be stamped or otherwise permanently marked as “MER COMM”.

ON PAGE 9 OF SECTION 1102 OF THE ISPWC, PART 3.2.G., add the following:

Each conduit entering the box shall be neatly upswept and shall terminate not less than 2 inches or more than 4 inches above the bottom of the junction box. The location of the conduit within the junction box shall be such that the side of the junction box through which the conduit enters indicates the direction the conduit came from.

10. SP-M04007 – REMOVE EXISTING WATER MAIN STUB

Description: This item shall include furnishing all materials, equipment and labor necessary to remove water main stubs at the locations shown on the plans.

Workmanship: All of the existing water main stub pipe shall be excavated, disconnected from existing valve or fitting and removed from the project site. All existing pipe, fittings, valves, and other appurtenances shall be excavated and removed from the project site unless otherwise noted.

A mechanical joint cap or plug, or blind flange as applicable with a thrust block shall be installed on retained active water main fitting. All areas shall be backfilled with native soil.

Measurement and Payment: Remove Existing Water Main Stub shall be on a per linear foot basis and shall include all labor, equipment, and materials necessary for the completion of the bid item.

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Payment for this item shall be made under:

SP-M04007 – Remove Existing Water Main Stub ..................................................... Per linear foot

11. SP-M04015 – ADJUST EXISTING WATER MAIN AT NEW PIPE CROSSING

Description: This item shall include furnishing all materials, equipment, and labor necessary to adjust existing water mains at the locations shown on the plans to provide separation requirements from the new non-potable pipelines.

Workmanship: Per Idaho Rules for Public Drinking Water Systems (IDAPA 58.01.08, Section 542.07), where it is necessary for water lines to cross non-potable lines (sanitary sewer, storm drain, irrigation and other non-potable pipes), the water line shall cross 18 inches above or below the other pipe, measured outside-to-outside of the pipes. If the waterline is below the non-potable line, the non-potable line shall be supported to prevent settling. If the 18” vertical separation cannot be met, the non-potable line shall either be constructed of water-class materials for a distance of 10 feet either side of the potable main, with a single 20-foot section of potable water class pipe centered on the crossing, or sleeved with potable water class pipe for 10 feet either side of the crossing.

The Contractor shall excavate the existing water main/line at the non-potable pipeline crossings to confirm the depth of the existing water main and whether there is a conflict and/or whether the necessary separation can be provided. The Contractor shall notify the city’s inspector when the excavation will be completed so that the need for the adjustment can be verified. The Contractor shall only proceed with the adjustment when directed to do so by the inspector.

In cases where there is a conflict and/or lack of 18 inches of separation, this item shall include all costs to relocate the water main/line to provide the necessary 18 inches of separation. Where the 18” separation cannot be provided, the relocation shall conform to the requirements outlined above.

If the non-potable pipeline is being constructed with water-class pipe, then adjustment shall only occur if there is a conflict. Contractor shall verify non-potable pipeline material. If the adjustment is made, then a minimum 12 inches of separation shall be provided between the adjusted water main/line and the water-class pipe.

Adjusting of the water main shall be accomplished with the use of the appropriate fittings. The water main may be adjusted by the deflection of joints if written approval from the City of Meridian Public Works Department is received prior to starting the adjustment. Approval will be contingent on a mutual agreement of a unit price adjustment between the Contractor and the City.

Measurement and Payment: Adjust Existing Water Main at New Pipe Crossing 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-M04015 – Adjust Existing Water Main at New Pipe Crossing .................................... Per Each

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