2024-05-15_Specifications_for_Bid.pdf

VILLAGE OF SCHAUMBURG

SPECIAL PROVISIONS

for

GRAY FARM MARSH

DRAINAGE IMPROVEMENTS

TABLE OF CONTENTS

SPECIAL PROVISIONS

CONSTRUCTION DEBRIS

CLEAN CONSTRUCTION/ DEMOLITION DEBRIS (CCDD) REQUIREMENT

MAINTENANCE OF ROADWAYS

STATUS OF UTILITIES

COMPLETION DATE/ LIQUIDATED DAMAGES

PUBLIC CONVENIENCE AND SAFETY

TRAFFIC CONTROL PLAN

EARTH EXCAVATION

SEEDING

SODDING (SALT TOLERANT)

STABILIZED CONSTRUCTION ENTRANCE

WASHOUT BASIN

CLASS D PATCHES (MODIFIED)

STORM SEWER (WATER MAIN REQUIREMENTS)

WATER MAIN REMOVAL

PRECAST CONCRETE JUNCTION CHAMBER

FRAMES AND LIDS, TYPE 1, OPEN LID

VALVE VAULTS TO BE REMOVED

TREES TO BE TRANSPLANTED, UNDER 6 INCHES

CONSTRUCTION LAYOUT

PRECONSTRUCTION VIDEO RECORDING

STORM SEWERS TO BE ABANDONED

HMA PARKING LOT REMOVAL AND REPLACEMENT

HMA BIKE PATH REMOVAL AND REPLACEMENT

STEEL SHEET PILE WALL REMOVAL

FLAGPOLE TO BE RELOCATED WITH NEW CONCRETE FOUNDATION

CURB OR COMBINATION CURB AND GUTTER REMOVAL AND REPLACEMENT (D1)

HOT-MIX ASPHALT BINDER AND SURFACE COURSE (D1)

FRICTION AGGREGATE (D1)

HOT-MIX ASPHALT – MIXTURE DESIGN VERIFICATION AND PRODUCTION (D1)

AVAILABLE REPORTS (D1 LR)

LR1030-02

Village of Schaumburg Gray Farm Marsh

Drainage Improvements

SPECIAL PROVISIONS

The following Special Provisions supplement the "Standard Specifications for Road and Bridge Construction", adopted, January 1, 2022, the latest edition of the "Manual on Uniform Traffic Control Devices for Streets and Highways", the “Standard Specifications for Water and Sewer Construction in Illinois”, and the "Manual of Test Procedures of Materials" in effect on the date of invitation of bids, and the Supplemental Specification and Recurring Special Provisions indicated on the Check Sheet included here in which apply to and govern the construction of the Village of Schaumburg Gray Farm Marsh Drainage Improvements Project, and in case of conflict with any parts, or parts of said Specifications, the said Special Provisions shall take precedence and shall govern.

Location of Project:

This work is located on Cloverdale Lane north of Walnut Land to Emerson Drive and within the Gray Farm Park and Conservation Area. The project is within the village limits of Schaumburg in Cook County, Illinois. The length of the project is 820 feet (0.16 miles).

Description of Project:

This work consists of the installation of dual storm sewers, drainage structures and end sections, and all other miscellaneous work to construct the project as shown on the plans and described herein.

CONSTRUCTION DEBRIS

Add the following to the third paragraph of Article 202.03 of the Standard Specifications:

“The Contractor shall not conduct any generation, transportation, or recycling of construction, demolition debris, and clean or uncontaminated soil generated during construction remodeling, repair, and demolition of utilities, structures, and roads that is not commingled with any waste, without the maintenance of documentation identifying the hauler, generator, place of origin of the debris or soil, the weight or volume of the debris or soil, and the location, owner, and operator of the facility where the debris or soil was transferred, disposed, recycled or treated. This documentation must be maintained by the Contractor for 3 years.”

CLEAN CONSTRUCTION/ DEMOLITION DEBRIS (CCDD) REQUIREMENT

If the Contractor is planning on disposing of uncontaminated soils at a licensed CCDD landfill, the Village of Orland Park will supply IEPA Form LPC 662 “Source Site Certification by Owner or Operator” which identifies the soils as primarily residential with no known use for commercial or industrial purposes.

It is up to the Contractor to coordinate with their receiving facility in advance of bidding to ensure that the particular receiving agency is not going to require anything other than this certification. If the receiving facility being used by the Contractor will require additional documentation or testing it is up to the Contractor to provide this information at no additional cost of the Village.

If materials are encountered that need to be disposed of as special waste or hazardous waste, this will be paid for per Article 109.04 of the Standard Specifications.

MAINTENANCE OF ROADWAYS

Beginning on the date that work begins on this project, the Contractor shall assume responsibility for normal maintenance of all existing roadways within the limits of the improvement. This normal maintenance shall include all repair work deemed necessary by the Engineer but shall not include snow removal operations. Traffic control and protection for maintenance of roadways will be provided by the Contractor as required by the Engineer.

If items of work have not been provided in the contract, or otherwise specified for payment, such items, including the accompanying traffic control and protection required by the Engineer, will be paid for in accordance with Article 109.04 of the Standard Specifications.

STATUS OF UTILITIES

Utility companies and/or municipal owners located within the construction limits of this project have provided the following information regarding their facilities and the proposed improvements.

The tables below contain a description of specific conflicts to be resolved and/or facilities which will require some action on the part of the Contractor to proceed with work. Each table entry includes an identification of the action necessary and, if applicable, the estimated duration required for the resolution.

UTILITIES TO BE ADJUSTED

The conflicts noted below have been identified in the plans for this contract. The utility owner/ company has been notified of the conflicts and will be required to obtain the necessary permits to complete their work; in some instances, resolution will occur concurrent with construction work.

The responsible agency must relocate, and/ or build new installations as noted below; this work has been deemed necessary to be completed for the Village’s contractor to then work on the plans.

LOCATION TYPE DESCRIPTION OWNER

Sta. 14+45 Electrical and

Internet Installation of dual 36” storm sewers require the lowering of underground electrical lines and communication cables.

ComEd and AT&T

Sta. 14+85 Water Main, Internet, and Gas

Installation of 36” storm sewer requires the lowering of water main, underground internet cables and a gas line.

Village of Schaumburg, Astound, and Nicor Gas

Sta. 16+10 Internet Installation of 30” storm sewer requires the lowering of internet cables.

Astound

Sta. 17+70 Water Main and Gas

Installation of 18” storm sewer requires the lowering of water main and a gas line.

Village of Schaumburg and

Nicor Gas

UTILITIES TO BE WATCHED AND PROTECTED

The areas of concern noted below have been identified by following the suggested staging plan included for the contract. The information provided is not a comprehensive list of all remaining utilities, but those which during coordination were identified as ones which might require the Village’s contractor to take into consideration when making the determination of the means and methods that would be required to construct the proposed improvement. In some instances, the contractor will be responsible to notify the owner in advance of the work to take place so necessary staffing on the owner’s part can be secured.

LOCATION TYPE DESCRIPTION OWNER

Project Limits Internet Underground Distribution and

Service Lines Astound

Project Limits Communication Underground Communication Lines AT&T Distribution

Project Limits Electrical Underground Distribution and Service Lines

ComEd

Project Limits Gas Underground Gas Lines Nicor Gas Project Limits Public Utilities Storm Sewer, Sanitary Sewer, Watermain, and Roadway Lighting Village of

Schaumburg

The following contact information is what was used during the preparation of the plans as provided by the owner of the facility.

Agency/Company

Responsible to Resolve Conflict

Name of contact

Phone E-mail address

Astound Juan Del Real (312) 955-2020 juan.delreal@astound.com

AT&T Distribution Chris Cass cc4361@att.com ComEd James

Campbell

(630) 940-6805 PlanSubmittalsandMapRequests

@exeloncorp.com Nicor Gas Anna Tran (630) 388-2305 gasmaps@southernco.com atran@southernco.com Village of

Schaumburg Rick Evans (847) 923-6682

The above represents the best information available to the Village and is included for the convenience of the bidder. The days required for conflict resolution should be considered in the bid as this information has also been factored into the timeline identified for the project when setting the completion date. The applicable portions of the Standard Specifications for Road and Bridge Construction shall apply.

The estimated duration of time provided above for the first conflicts identified will begin on the date of the executed contract regardless of the status of the utility relocation. The responsible agencies will be working toward resolving subsequent conflicts in conjunction with contractor activities in the number of days noted.

The estimated relocation duration must be part of the progress schedule submitted by the contractor. A utility kickoff meeting will be scheduled between the Village, the Village’s contractor, and the utility companies when necessary. The Village’s contractor is responsible for contacting J.U.L.I.E. prior to all excavation work.

COMPLETION DATE/ LIQUIDATED DAMAGES

All work, including placing and watering of sod for parkway restoration and punch list items, shall be completed by <insert date>, unless additional time is granted in accordance with Article

108.08 of the Standard Specifications.

Should the Contractor fail to complete all work by this date, the Contractor shall be liable to pay the Village liquidated damages per calendar day in accordance with Article 108.09 of the Standard Specifications.

The time required for sod to establish roots and be growing in a live healthy condition in accordance with Article 252.12 of the Standard Specifications along with the removal of temporary erosion control measures shall not be included in the completion date. These items shall be concluded not more than 30 calendar days after the completion date. Should the sod not be in an acceptable condition and the temporary erosion control measures not removed within this time frame, the Contractor shall be liable to pay liquidated damages as stated above.

PUBLIC CONVENIENCE AND SAFETY

Add the following to the end of the fourth paragraph of Article 107.09:

“If the holiday is on a Saturday or Sunday, and is legally observed on a Friday or Monday, the length of Holiday Period for Monday or Friday shall apply.”

Add the following sentence after the Holiday Period table in the fourth paragraph of Article 107.09:

“The Length of Holiday Period for Thanksgiving shall be from 5:00 AM the Wednesday prior to 11:59 PM the Sunday after.”

Delete the fifth paragraph of Article 107.09 of the Standard Specifications:

“On weekends, excluding holidays, roadways with Average Daily Traffic of 25,000 or greater, all lanes shall be open to traffic from 3:00 P.M. Friday to midnight Sunday except where structure construction or major rehabilitation makes it impractical.”

TRAFFIC CONTROL PLAN

Traffic Control shall be according to the applicable sections of the Standard Specifications, the Supplemental Specifications, the "Illinois Manual on Uniform Traffic Control Devices for Streets and Highways", any special details and Highway Standards contained in the plans, and the Special Provisions contained herein.

Special attention is called to Article 107.09 of the Standard Specifications and the following Highway Standards, Details, Quality Standard for Work Zone Traffic Control Devices, Recurring Special Provisions and Special Provisions contained herein, relating to traffic control.

The Contractor shall contact the Village of Schaumburg at least 72 hours in advance of beginning work. Advanced notice shall be provided to residents, police, fire, school districts, and trash haulers when access to any street will be temporarily closed or limited.

Construction operations shall be conducted in a manner such that streets will be open to emergency traffic and accessible as required to local traffic. Construction of storm sewers, water main, driveways, and curb and gutter shall be planned to cause a minimum of inconvenience to the abutting property owners. The work in this contract shall be accomplished in a manner such that the street will be left open to local traffic at the end of each working day.

STANDARDS:

701301-04 Lane Closure, 2L, 2W, Short Time Operations 701501-06 Urban Lane Closure, 2L, 2W, Undivided 701801-06 Sidewalk, Corner or Crosswalk Closure 701901-08 Traffic Control Devices

DETAILS:

TC-10 Traffic Control and Protection for Side Roads, Intersections, and Driveways

SPECIAL PROVISIONS:

Maintenance of Roadways Public Convenience and Safety

EARTH EXCAVATION

Add the following paragraph to the end of Article 202.01 of the Standard Specifications:

“The Contractor shall be responsible for the legal disposal of all excavated material and the associated costs. These costs shall include but are not limited to any required testing, lab analysis, certification by a licensed professional, and the state and local tipping fees associated with meeting the requirements of Public Act 96-1416.”

SEEDING

Description: This work shall be completed in accordance with Section 250 of the Standard Specifications except as modified herein.

Add the following to Article 250.04 – Fertilizer and Agricultural Ground Limestone Application:

Fertilizer shall not be applied to areas designated for Class 4A and Class 5 seeding.

Add the following to Article 250.09 – Method of Measurement:

(b) Measured Quantities: Seeding, Class 4A and Seeding, Class 5 will me measured in square yards of the surface area seeded.

Add the following to Article 205-10 – Basis of Payment:

Seeding, Class 4A and Seeding, Class 5 will be paid for at the contract unit price per square yard.

SODDING (SALT TOLERANT)

Description: This work shall be completed in accordance with Section 252 of the Standard Specifications except as modified herein.

Revise the fourth paragraph and table of Article 252.03 – Ground Preparation to read:

Fertilizer shall be installed at a rate of 120 pounds per acre and shall be applied at the rates as follows:

Nitrogen Fertilizer Nutrients 30 pounds per acre Phosphorus Fertilizer Nutrients 0 pounds per acre Potassium Fertilizer Nutrients 90 pounds per acre

Revise the last paragraph Article 252.12 – Method of Measurement to read:

Fertilizer will not be measured for payment but shall be included in the cost of Sodding (Salt Tolerant).

STABILIZED CONSTRUCTION ENTRANCE

Description: This work shall consist of furnishing, installing, and maintaining the Stabilized Construction Entrance at the locations shown in the plans. The entrance shall be installed prior to construction traffic exiting the site. The aggregate shall be RR3 riprap with a minimum thickness of 12 inches. The entrance shall have a minimum length of 50 feet.

The Contractor shall furnish and install additional aggregate if the original material becomes disbursed or embedded in the ground or when required by the Engineer. No additional compensation shall be paid for this work.

Method of Measurement: Stabilized Construction Entrance will be measured for payment in place and the area computed in square yards.

Basis of Payment: Stabilized Construction Entrance will be paid for at the contract unit price per square yard. No additional compensation shall be provided for subsequent replacement of the aggregate or removal of the entrance.

WASHOUT BASIN

Description: This work shall consist of constructing, maintaining, and removing temporary concrete truck washout basin(s) as specified herein and shown in the details in the plans.

The Contractor shall take sufficient precautions to prevent pollution of streams, lakes, reservoirs, and wetlands with fuels, oils, bitumen, calcium chloride, or other harmful materials according to Article 107.23 of the Standard Specifications.

As indicated in the project quantities, each project area specifying concrete construction requiring more than 9 cubic yards of concrete will be considered for one Washout Basin. Any location requiring less than 9 cubic yards of concrete will not be considered for payment of a Washout Basin but shall be considered part of the cost of the concrete work performed.

General: The Washout Basin shall be constructed on the job site in accordance with the Illinois Urban Manual practice standard for Temporary Concrete Washout Facility.

The Contractor may elect to use a prefabricated portable concrete washout structure. The Contractor shall submit a plan for the prefabricated concrete washout facility to the Engineer for approval a minimum of 10 calendar days prior to the first concrete pour.

The working concrete washout facility shall be in place before any delivery of concrete to the site.

The Contactor shall ensure that all concrete washout activities are limited to the designated area.

The Washout Basin shall be located no closer than 50 feet from any environmentally sensitive areas, such as storm drain inlets, open drainage facilities, bodies of water, wetlands and/or other areas indicated on the plans. Each facility is to be located away from construction traffic or access areas to prevent disturbance or tracking. Adequate signage shall be placed at the washout facility and elsewhere as necessary to clearly indicate the location of the Washout Basin to the operators of the concrete trucks.

Design: The Washout Basin shall be adequately sized to fully contain the concrete washout needs of the project. As shown in the details, the Washout Basin shall be constructed of straw bales or a wood frame and polyethylene sheeting. Straw bales or wood frames shall be used to create a berm, then lined with a single sheet of 30 mil polyethylene sheeting which is free from holes, tears, or other defects which may compromise the impermeability of the material. Sheeting shall extend over the entire basin and berm.

Maintenance: The contents of the Washout Basin shall not exceed 75% of the facility capacity.

Once 75% capacity is reached, concrete placement shall be discontinued until the basin is cleaned out. Hardened concrete shall be removed and properly disposed of outside the right-of-way. Slurry shall be allowed to evaporate or shall be removed and properly disposed of outside the right-of-way.

The Contractor shall immediately replace the damaged basin liner or other washout basin components to prevent leakage of concrete waste from the Washout Basin. Washout Basins shall be inspected by the Contractor after each use. All spills shall be reported to the Engineer and cleaned up immediately. The Contractor shall remove the Washout Basin when it is no longer needed.

If a rain or snowstorm is forecasted, a non-collapsing, non-water collecting cover shall be placed over the Washout Basin and secured to prevent accumulation and overflow of precipitation.

Method of Measurement: Washout Basin will be measured in place as one unit at each location regardless of size, maintenance requirements, or length of time in use.

Basis of Payment: Washout Basin will be paid for at the contract unit price per each Washout Basin.

CLASS D PATCHES (MODIFIED)

Description: This work shall be completed in accordance with Section 442 of the Standard Specifications except as modified herein.

The patch shall be constructed according to the details in the plans.

Saw cuts shall be according to Article 440.03 of the Standard Specifications.

STORM SEWER (WATER MAIN REQUIREMENTS)

Description: This work shall consist of constructing storm sewer diameter specified adjacent or crossing water main at locations shown on the plans.

Construction Requirements: Storm sewers shall be constructed with water main quality pipe and joints that comply with 35 III Adm. Code 653.119. The pipe shall be pressure tested in accordance with “AWWA Standard Installation of Ductile-Iron Water Mains and their Appurtenances” for a working pressure equal to or greater than the maximum possible surcharge head to assure water tightness before backfilling.

Method of Measurement: Storm sewers will be measured for payment in place in feet, except the length measured will not exceed the length shown on the plans or authorized in writing by the Engineer.

Basis of Payment: This work will be paid for at the contract unit price per foot for Storm Sewer (Water Main Requirements) of the size specified.

WATER MAIN REMOVAL

Description: This work shall consist of the removal and disposal of existing water main at locations shown on the plans. Work shall be completed in accordance with Section 551 of the Standard Specifications.

PRECAST CONCRETE JUNCTION CHAMBER

Description: This work shall consist of the construction of a junction chamber of precast reinforced concrete, together with the necessary precast reinforced concrete risers, steps, cast iron frames and grates or lids, sand cushion, manufactured, and installed in place, at the locations shown on the plans and in according to Section 504 and 602 of the Standard Specification, except as modified herein, and as directed by the Engineer. This work shall also include temporary soil retaining systems if required, restrictor plate and attachments, and other items necessary to complete the work.

Submittals: Submittals shall include all shop drawings and when required design computations.

The submittals shall address all details, dimensions, quantities, general notes, and cross sections necessary to construct the precast concrete junction chamber. The submittal shall be submitted to the Engineer for review and approval no later than 60 days prior to construction of the precast concrete junction chamber. Both the design computations and shop drawings shall be prepared and sealed by an Illinois Licensed Structure Engineer. Shop drawings shall be prepared according to Article 1042.03(b).

Construction Requirements: The precast reinforced concrete junction chamber shall conform to the applicable requirement of Section 504 and 602 of the Standard Specifications and as herein specified.

To permit the proper compaction of the backfill material the excavation shall be made to a horizontal distance extending 2 feet outside of the structure. No material shall be placed until after the Engineer has approved the depth of the excavation and the character and condition of the foundation material. The precast reinforced concrete sections shall be constructed, sealed, and installed on a sand cushion in accordance with Article 602.07 of the Standard Specifications.

Backfill material, conforming to the requirements of Section 209, shall be placed in the space between the sides of the excavation and the outer surfaces of the junction chamber. All backfilling material shall meet the approval of the Engineer.

Precast reinforced concrete risers, when required, shall conform to the requirements of AASHTO M199 and shall have a minimum thickness of 6 inches.

Frames and grates or lids shall conform to the requirements of Article 1006.15 and 604 of the Standard Specifications. Steps shall be cast grey iron conforming to Article 1006.14 and 602.08 of the Standard Specifications and shall be embedded into the wall a minimum of 3 inches and shall not extend on the outside of the structure. Step shall be omitted when the depth of the junction chamber is 5 feet or less.

Basis of Payment: This work will be paid for at the contract unit price per each for Precast Concrete Junction Chamber, which price shall include all required submittals, excavation and backfill (except excavation in rock) and furnishing and install the specified frames and grates or lids, steps, precast concrete risers, sand cushion, porous granular backfill, temporary soil retention system (if required), and the entire structure completed in place.

FRAMES AND LIDS, TYPE 1, OPEN LID

Description: This work shall be completed in accordance with Section 604 of the Standard Specifications except as modified herein.

Add the following to Construction Requirements Article 604.04 – General:

The existing frame and grate or lid shall be salvaged and returned to the Owner.

VALVE VAULTS TO BE REMOVED

Description: This work shall be completed in accordance with Section 605 of the Standard Specifications except as modified herein.

This work shall include the removal and disposal of existing valve vaults.

Revise Article 605.06 – Basis of Payment to include Valve Vaults to be Removed.

TREES TO BE TRANSPLANTED, UNDER 6 INCHES

Description: This work shall be completed in accordance with Section 253 of the Standard Specifications, except as modified herein.

This work shall include the removal of the existing tree, storing and caring of the existing tree until the tree can be transplanted to a new location. The Owner shall determine the transplant location.

Revise Article 253.17 – Basis of Payment to include Trees to be Transplanted, Under 6 Inches.

CONSTRUCTION LAYOUT

Description: The Contractor shall furnish and place all construction layout stakes for this project.

The Contractor will be provided with a copy of the plans in AutoCAD file format. Competent personnel with suitable equipment shall conduct this work, supervised by a licensed Illinois Land Surveyor. The Contractor shall be responsible for having the finished work conform substantially to the lines, grades, elevations, and dimensions shown on the plans.

The Contractor shall provide adequate field forces, equipment, and material to establish offset stakes, reference points and any other horizontal or vertical controls, including benchmarks and control points to construct the individual project elements. The stakes for line and grade of pavement and/or curb shall be set at sufficient intervals (not to exceed 50 ft.) to assure conformance to plan line and grade.

The Contractor shall record all field notes in standard survey field notebooks and those books shall become the property of the Owner at the completion of the project. All notes shall be neat, orderly and in an accepted format.

Basis of Payment: This work will be paid for at the contract Lump Sum unit price for Construction Layout, which price shall be payment in full for the work as specified herein.

PRECONSTRUCTION VIDEO RECORDING

Description: This work shall consist of furnishing all materials and labor required to perform a video recording of the construction limits, adjacent right-of-way, and adjacent structures bordering the work. All pertinent features within and impact by the construction zone shall be shown in sufficient detail to document the preconstruction condition. This shall include, but not be limited to, existing buildings, garages, pavements, curb and gutter, sidewalks, fences, trees and landscaping. View orientation shall be maintained by audio commentary to help explain what is shown on the recording.

Two (2) copies of the video shall be furnished to the Owner on a flash drive. Video recording shall be performed by a reputable company meeting the approval of the Owner, in the presence of a representative of the Owner, and shall be performed prior to the commencement of construction.

The video recording shall serve as a basis for establishing damage that has occurred because of construction operations.

Basis of Payment: This work will be paid for at the contract Lump Sum price for Preconstruction Video Recording, which price shall be payment in full for the work as specified herein.

STORM SEWERS TO BE ABANDONED

Description: This work shall be in accordance with Sections 440 and 551 of the Standard Specifications except as modified herein.

Construction Requirements: This work shall consist of the abandonment of existing storm sewer pipes at locations shown on the plans. Storm sewers which interfere with construction activities shall be removed by the Contractor and disposed of off-site. The remaining storm sewer shall be abandoned in place. The end of the storm sewer shall be plugged with bricks and mortar at limits of removal and in the associated drainage structures

Basis of Payment: This work will be paid for at the contract Lump Sum price for Storm Sewers to be Abandoned, which price shall be payment in full for the work as specified.

HMA PARKING LOT REMOVAL AND REPLACEMENT

Description: This work shall consist of the complete removal and replacement of the existing HMA Parking Lot. Work shall be in accordance with Section 311, 406, and 440 of the Standard Specifications except as modified herein.

The parking lot shall be constructed according to the details shown in the plans. Locations of removal and replacement shall be as shown on the plans or determined by the Engineer at the time of construction.

Subbase Granular Material shall be placed and compacted in according to Article 311.05 (b).

Saw cuts shall be according to Article 440.03 of the Standard Specifications.

Method of Measurement: HMA Parking Lot Removal and Replacement will be measured for payment in place and the area computed in square yards.

Basis of Payment: This work will be paid for at the contract unit price per square yard for HMA Parking Lot Removal and Replacement.

HMA BIKE PATH REMOVAL AND REPLACEMENT

Description: This work shall consist of the complete removal and replacement of the existing HAM Bike Path. Work shall be in accordance with Section 311, 406, and 440 of the Standard Specifications except as modified herein.

The bike path shall be constructed according to the derails shown in the plans. Locations of removal and replacement shall be as shown on the plans or determined by the Engineer at the time of construction.

Subbase Granular Material shall be placed and compacted in according to Article 311.05 (b).

Saw cuts shall be according to Article 440.03 of the Standard Specifications.

Method of Measurement: HMA Bike Path Removal and Replacement will be measured for payment in place and the area computed in square yards.

Basis of Payment: This work will be paid for at the contract unit price per square yard for HMA Bike Path Removal and Replacement.

STEEL SHEET PILE WALL REMOVAL

Description: This work shall consist of the submittal of working drawings, removal of portions of the existing steel sheet pile wall and proper disposal of removed materials. The working drawing should show the temporary and permanent bracing systems needed to provide stability to the wall during construction work near the sheet pile wall surrounding a detention basin. Work shall be completed in accordance with the applicable portions of Section 522 of the Standard Specifications.

Construction Requirements: The existing steel sheet pile wall shall be removed to the elevation shown on the plan details.

Bracing, anchor rods, and/ or deadman shall be installed as needed to stabilize the remaining wall.

The contractor shall provide a new cap to cover the top of the existing wall through the limits of removal. The cap shall be welded to the top of the piling. The Contractor shall make every effort to match the material, size, color, and shape of the existing wall cap.

All welding and gas cutting shall be in accordance with the current standards of the American Welding Society.

Removed material shall be disposed of according to Article 202.03.

Method of Measurement: Steel Sheet Pile Wall Removal will be measured for payment in place and the area computed in square feet, Basis of Payment: This work will be paid for at the contract unit price per square foot Steel Sheet Piling Removal.

FLAGPOLE TO BE RELOCATED WITH NEW CONCRETE FOUNDATION

Description: This work shall consist of the removal of an existing flagpole and concrete foundation. The flagpole will be relocated to a new concrete foundation at a location determined by the Schaumburg Park District.

General: Removal work shall not begin without approval by the Engineer.

Flagpole: The existing flagpole shall be removed from the foundation, stored, and relocated to a new concrete foundation. The contractor shall be responsible for repairing or replacing the flagpole in kind if damaged during the construction process. The Engineer will be the sole judge to determine the extent of damage and the suitability of repair and/ or replacement.

Concrete Foundation Removal: The concrete foundation shall be removed to a level of at least 3 feet below grade, removed material shall be disposed of according to Article

202.03. The removal shall extend deeper where required to facilitate construction shown on the plans at no additional cost to the Village.

Concrete Foundation: The concrete foundation shall be constructed in accordance with Section 878 of the Standard Specifications, except as modified herein. Reinforcement bars or anchor rods will not be required.

The concrete foundation shall be a minimum depth of 42” and have a 12” diameter. The top of the foundation shall be flush with the surrounding ground.

Basis of Payment: This work will be paid for at the contract unit price per each for Flagpole to be Relocated with New Concrete Foundation.

CURB OR COMBINATION CURB AND GUTTER REMOVAL AND REPLACEMENT (D1)

Effective: November 1, 2020 Revised: September 1, 2022

Description. This work shall consist of the complete removal and replacement of curb or combination curb and gutter. Work shall be according to Sections 440 and 606 of the Standard Specifications, State Standard 606001, District Detail BD-24 and as directed by the Engineer except as modified herein.

Curb or combination curb and gutter removal and replacement shall match the type of the existing curb or combination curb and gutter. Types may be variable and are to meet existing dimensions and field conditions. Locations of removal and replacement shall be determined by the Resident Engineer at the time of construction.

Unsuitable material to be removed, as directed by the Engineer, shall be replaced with subbase granular material, type B or additional thickness of concrete. Suitable backfill material, when required, shall be replaced as directed by the Engineer.

Epoxy coated tie bars, #6 (20) - 24” (610) long at 24” (610) centers, shall be used except when adjacent to flexible pavement. Longitudinal bars, if encountered, are not to be replaced.

Hot-mix asphalt surface removal on the existing gutter flag, if encountered, shall be included in the removal of the curb and gutter.

Saw cuts shall be according to Article 440.03 of the Standard Specifications.

½” (13) preformed expansion joints shall be used at concrete sidewalks, driveways and medians.

Method of Measurement. Concrete curb removal and replacement, or combination concrete curb and gutter removal and replacement will be measured for payment in feet (meters) along the face of concrete curb. A minimum replacement length of 4 feet is required.

Basis of Payment. This item will be paid for at the contract unit price per foot (meter) for CURB REMOVAL AND REPLACEMENT GREATER THAN 10 FEET or COMBINATION CURB AND GUTTER REMOVAL AND REPLACEMENT GREATER THAN 10 FEET for lengths greater than 10 feet.

This item will be paid at the contract unit price per foot (meter) for CURB REMOVAL AND REPLACMENT LESS THAN OR EQUAL TO 10 FEET or COMBINATION CURB AND GUTTER REMOVAL AND REPLACMENT LESS THAN OR EQUAL TO 10 FEET for lengths less than or equal to 10 feet.

Where unsuitable material is encountered in the subgrade or subbase and its removal and replacement is required by the Engineer, such removal and replacement will be paid for according to Article 109.04.

Sidewalk removal, driveway pavement removal and median surface removal will be paid for according to Article 440.08 of the Standard Specifications.

Portland cement concrete sidewalk will be paid for according to Article 424.13 of the Standard Specifications.

Portland cement concrete driveway pavement will be paid for according to Article 423.11 of the Standard Specifications.

Hot-mix asphalt driveway will be paid for according to Article 355.11 and 406.14 of the Standard Specifications.

Concrete median surface will be paid for according to Article 606.15 of the Standard Specifications.

Topsoil will be paid for according to Article 211.08 of the Standard Specifications.

Sodding will be paid for according to Article 252.13 of the Standard Specifications. Fertilizer for the placement of sod is not required.

HOT-MIX ASPHALT BINDER AND SURFACE COURSE (D1)

Effective: November 1, 2019 Revised: December 1, 2021

Revise Article 1004.03(c) to read:

“(c) Gradation. The coarse aggregate gradations shall be as listed in the following table.

Use Size/Application Gradation No.

Class A-1, A-2, & A-3 3/8 in. (10 mm) Seal CA 16 or CA 20

Class A-1 1/2 in. (13 mm) Seal CA 15

Class A-2 & A-3 Cover Coat CA 14

HMA High ESAL

IL-19.0;

Stabilized Subbase IL-19.0

CA 11 1/

SMA 12.5 2/ CA 134/, CA 14, or CA 16

SMA 9.5 2/ CA 133/4/ or CA 163/

IL-9.5 CA 16, CM 134/

IL-9.5FG CA 16

HMA Low ESAL

IL-19.0L CA 11 1/

IL-9.5L CA 16

1/ CA 16 or CA 13 may be blended with the CA 11.

2/ The coarse aggregates used shall be capable of being combined with the fine aggregates and mineral filler to meet the approved mix design and the mix requirements noted herein.

3/ The specified coarse aggregate gradations may be blended.

4/ CA 13 shall be 100 percent passing the 1/2 in. (12.5mm) sieve.”

Revise Article 1004.03(e) of the Supplemental Specifications to read:

“(e) Absorption. For SMA the coarse aggregate shall also have water absorption ≤ 2.0 percent.”

Revise the “High ESAL” portion of the table in Article 1030.01 to read:

“High ESAL Binder Courses

IL-19.0, IL-9.5, IL-9.5FG, IL-4.75,

SMA 12.5,

Stabilized Subbase IL-19.0

Surface Courses

IL-9.5, IL-9.5FG,

SMA 12.5, SMA 9.5”

Revise Note 2. and add Note 6 to Article 1030.02 of the Standard Specifications to read:

“Item Article/Section

(g)Performance Graded Asphalt Binder (Note 6) 1032

(h) Fibers (Note 2)

Note 2. A stabilizing additive such as cellulose or mineral fiber shall be added to the SMA mixture according to Illinois Modified AASHTO M 325. The stabilizing additive shall meet the Fiber Quality Requirements listed in Illinois Modified AASHTO M 325. Prior to approval and use of fibers, the Contractor shall submit a notarized certification by the producer of these materials stating they meet these requirements. Reclaimed Asphalt Shingles (RAS) may be used in Stone Matrix Asphalt (SMA) mixtures designed with an SBA polymer modifier as a fiber additive if the mix design with RAS included meets AASHTO T305 requirements. The RAS shall be from a certified source that produces either Type I or Type 2. Material shall meet requirements noted herein and the actual dosage rate will be determined by the Engineer.

Note 6. The asphalt binder shall be an SBS PG 76-28 when the SMA is used on a full-depth asphalt pavement and SBS PG 76-22 when used as an overlay, except where modified herein. The asphalt binder shall be a SBS PG 76-22 for IL-4.75, except where modified herein..”

Revise table in Article 1030.05(a) of the Standard Specifications to read:

“MIXTURE COMPOSITION (% PASSING) 1/

Sieve Size

IL-19.0 mm

SMA

12.5 SMA 9.5 IL-

9.5mm

IL-9.5FG

IL-4.75

mm min max min max min max min max min max min max 1 1/2 in

(37.5 mm)

1 in.

(25 mm) 100

3/4 in.

(19 mm) 90 100 100

1/2 in.

(12.5 mm) 75 89 80 100 100 100 100 100

3/8 in.

(9.5 mm) 65 90 100 90 100 90 100 100

#4 (4.75 mm) 40 60 20 30 36 50 34 69 60 756/ 90 100

#8 (2.36 mm) 20 42 16 24 4/ 16 324/ 34 5/ 52 2/ 45 606/ 70 90

#16 (1.18 mm) 15 30 10 32 25 40 50 65

#30 (600 m) 12 16 12 18 15 30

#50 (300 m) 6 15 4 15 8 15 15 30

#100 (150 m) 4 9 3 10 6 10 10 18

#200 (75 m) 3.0 6.0 7.0 9.0 3/ 7.5 9.5 3/ 4.0 6.0 4.0 6.5 7.0 9.0 3/

#635 (20 m)

≤ 3.0 ≤ 3.0

Ratio Dust/Asphalt

Binder

1.0 1.5 1.5 1.0

1.0 1.0

1/ Based on percent of total aggregate weight.

2/ The mixture composition shall not exceed 44 percent passing the #8 (2.36 mm) sieve for surface courses with Ndesign = 90.

3/ Additional minus No. 200 (0.075 mm) material required by the mix design shall be mineral filler, unless otherwise approved by the Engineer.

4/ When establishing the Adjusted Job Mix Formula (AJMF) the percent passing the

#8 (2.36 mm) sieve shall not be adjusted above the percentage stated on the table.

5/ When establishing the Adjusted Job Mix Formula (AJMF) the percent passing the

#8 (2.36 mm) sieve shall not be adjusted below 34 percent.

6/ When the mixture is used as a binder, the maximum shall be increased by 0.5 percent passing.”

Revise Article 1030.05(b) of the Standard Specifications to read:

(b) Volumetric Requirements. The target value for the air voids of the HMA shall be 4.0 percent, for IL-4.75 and SMA mixtures it shall be 3.5 percent and for Stabilized Subbase it shall be

3.0 percent at the design number of gyrations. The voids in the mineral aggregate (VMA) and voids filled with asphalt binder (VFA) of the HMA design shall be based on the nominal maximum size of the aggregate in the mix and shall conform to the following requirements.

Voids in the Mineral Aggregate (VMA), % Minimum for Ndesign Mix Design 30 50 70 80 90

IL-19.0 13.5 13.5 13.5

IL-9.5 15.0 15.0

IL-9.5FG 15.0 15.0

IL-4.751/ 18.5

SMA-12.51/2/5/ 17.03//16.04/

SMA-9.51/2/5/ 17.03//16.04/

IL-19.0L 13.5

IL-9.5L 15.0

1/ Maximum draindown shall be 0.3 percent according to Illinois Modified

AASHTO T 305.

2/ The draindown shall be determined at the JMF asphalt binder content at the mixing temperature plus 30°F.

3/ Applies when specific gravity of coarse aggregate is ≥ 2.760.

4/ Applies when specific gravity of coarse aggregate is < 2.760.

5/ For surface course, the coarse aggregate can be crushed steel slag, crystalline crushed stone or crushed sandstone. For binder course, coarse aggregate shall be crushed stone (dolomite), crushed gravel, crystalline crushed stone, or crushed sandstone”

Revise the last paragraph of Article 1102.01 (a) (5) of the Standard Specifications to read:

“IL-4.75 and Stone Matrix Asphalt (SMA) mixtures which contain aggregate having absorptions greater than or equal to 2.0 percent, or which contain steal slag sand, shall have minimum surge bin storage plus haul time of 1.5 hours.”

Add after third sentence of Article 1030.09(b) to read:

“ If the Contractor and Engineer agree the nuclear density test method is not appropriate for the mixture, cores shall be taken at random locations determined according to the QC/QA document "Determination of Random Density Test Site Locations". Core densities shall be determined using the Illinois Modified AASHTO T 166 or T 275 procedure.”

Revise Table 1 and Note 4/ of Table 1 in Article 406.07(a) of the Standard Specifications to read:

Breakdown/Intermediate Roller

(one of the following)

Final Roller (one or more of the following)

Density Requirement

IL-9.5, IL-9.5FG,

IL-19.01/

VD, P , TB, 3W, OT, OB VS, TB, TF, OT As specified in Section 1030

IL-4.75 and SMA 3/ 4/

TB, 3W, OT TF, 3W As specified in Section 1030

Mixtures on Bridge Decks 2/

TB TF

As specified in

Articles 582.05 and 582.06.

“4/ The Contractor shall provide a minimum of two steel-wheeled tandem rollers (T B), and/or three-wheel (3W) rollers for breakdown, except one of the (TB) or (3W) rollers shall be 84 inches (2.14 m) wide and a weight of 315 pound per linear inch (PLI) (5.63 kg/mm) and one of the (TB) or (3W) rollers can be substituted for an oscillatory roller (OT). TF rollers shall be a minimum of 280 lb/in. (50 N/mm). The 3W and TB rollers shall be operated at a uniform speed not to exceed 3 mph (5 km/h), with the drive roll for TB rollers nearest the paver and maintain an effective rolling distance of not more than 150 ft (45 m) behind the paver.”

Add the following after the fourth paragraph of Article 406.13 (b):

“The plan quantities of SMA mixtures shall be adjusted using the actual approved binder and surface Mix Design’s Gmb.”

Revise first paragraph of Article 1030.10 of the Standard Specifications to read:

“A test strip of 300 ton (275 metric tons), except for SMA mixtures it will be 400 ton (363 metric ton), will be required for each mixture on each contract at the beginning of HMA production for each construction year according to the Manual of Test Procedures for Materials “Hot Mix Asphalt Test Strip Procedures”. At the request of the Producer, the Engineer may waive the test strip if previous construction during the current construction year has demonstrated the constructability of the mix using Department test results.”

Revise third paragraph of Article 1030.10 of the Standard Specifications to read:

“When a test strip is constructed, the Contractor shall collect and split the mixture according to the document “Hot-Mix Asphalt Test Strip Procedures”. The Engineer, or a representative, shall deliver split sample to the District Laboratory for verification testing. The Contractor shall complete mixture tests stated in Article 1030.09(a). Mixture sampled shall include enough material for the Department to conduct mixture tests detailed in Article 1030.09(a) and in the document “Hot-Mix Asphalt Mixture Design Verification Procedure” Section 3.3. The mixture test results shall meet the requirements of Articles 1030.05(b) and 1030.05(d), except Hamburg wheel tests will only be conducted on High ESAL mixtures during production.”

FRICTION AGGREGATE (D1)

Effective: January 1, 2011 Revised: December 1, 2021

Revise Article 1004.03(a) of the Standard Specifications to read:

“1004.03 Coarse Aggregate for Hot-Mix Asphalt (HMA). The aggregate shall be according to Article 1004.01 and the following.

(a) Description. The coarse aggregate for HMA shall be according to the following table.

Use Mixture Aggregates Allowed

Class A Seal or Cover Allowed Alone or in Combination 5/:

Gravel Crushed Gravel Carbonate Crushed Stone Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag Crushed Concrete

HMA

Low ESAL

Stabilized Subbase or Shoulders

Allowed Alone or in Combination 5/:

Gravel Crushed Gravel Carbonate Crushed Stone Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag1/

Crushed Concrete

HMA

High ESAL Low ESAL

Binder

IL-19.0

or IL-19.0L

SMA Binder

Allowed Alone or in Combination 5/ 6/:

Crushed Gravel Carbonate Crushed Stone2/ Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Concrete3/

HMA

High ESAL Low ESAL

C Surface and Binder

IL-9.5

IL-9.5FG

or IL-9.5L

Allowed Alone or in Combination 5/:

Crushed Gravel Carbonate Crushed Stone2/ Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag4/ Crushed Concrete3/

HMA

High ESAL

D Surface and Binder

IL-9.5

or IL-9.5FG

Allowed Alone or in Combination 5/:

Crushed Gravel Carbonate Crushed Stone (other than Limestone)2/ Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag4/

Other Combinations Allowed:

Up to... With...

25% Limestone Dolomite

50% Limestone Any Mixture D aggregate other than Dolomite

75% Limestone Crushed Slag (ACBF) or Crushed Sandstone

HMA

High ESAL

E Surface

IL-9.5

SMA

Ndesign 80 Surface

Allowed Alone or in Combination 5/ 6/:

Crushed Gravel

Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag

No Limestone.

Other Combinations Allowed:

Up to... With...

50% Dolomite2/ Any Mixture E aggregate

75% Dolomite2/ Crushed Sandstone, Crushed Slag (ACBF), Crushed Steel Slag, or Crystalline Crushed Stone

75% Crushed Gravel2/

Crushed Sandstone, Crystalline Crushed Stone, Crushed Slag (ACBF), or Crushed Steel Slag

HMA

High ESAL

F Surface

IL-9.5

SMA

Ndesign 80 Surface

Allowed Alone or in Combination 5/ 6/:

Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag No Limestone.

Other Combinations Allowed:

Up to... With...

50% Crushed Gravel2/ or Dolomite2/

Crushed Sandstone, Crushed Slag (ACBF), Crushed Steel Slag, or Crystalline Crushed Stone

1/ Crushed steel slag allowed in shoulder surface only.

2/ Carbonate crushed stone (limestone) and/or crushed gravel shall not be used in SMA

Ndesign 80.

3/ Crushed concrete will not be permitted in SMA mixes.

4/ Crushed steel slag shall not be used as binder.

5/ When combinations of aggregates are used, the blend percent measurements shall be by volume.”

6/ Combining different types of aggregate will not be permitted in SMA Ndesign 80.”

HOT-MIX ASPHALT – MIXTURE DESIGN VERIFICATION AND PRODUCTION (D1)

Effective: January 1, 2019 Revised: December 1, 2021

Add to Article 1030.05 (d)(3) of the Standard Specifications to read:

“ During mixture design, prepared samples shall be submitted to the District laboratory by the Contractor for verification testing. The required testing, and number and size of prepared samples submitted, shall be according to the following tables.

High ESAL – Required Samples for Verification Testing

Mixture Hamburg Wheel and I-FIT Testing 1/ 2/

Binder total of 3 - 160 mm tall bricks

Surface total of 4 - 160 mm tall bricks

Low ESAL – Required Samples for Verification Testing

Mixture I-FIT Testing 1/ 2/

Binder 1 - 160 mm tall brick

Surface 2 - 160 mm tall bricks

1/ The compacted gyratory bricks for Hamburg wheel and I-FIT testing shall be

7.5 ± 0.5 percent air voids.

2/ If the Contractor does not possess the equipment to prepare the 160 mm tall brick(s), twice as many 115 mm tall compacted gyratory bricks will be acceptable.

Revise the fourth paragraph of Article 1030.10 of the Standard Specifications to read:

“When a test strip is not required, each HMA mixture shall still be sampled on the first day of production: I-FIT and Hamburg wheel testing for High ESAL; I-FIT testing for Low ESAL. Within two working days after sampling the mixture, the Contractor shall deliver gyratory cylinders to the District laboratory for Department verification testing. The High ESAL mixture test results shall meet the requirements of Articles 1030.05(d)(3) and 1030.05(d)(4). The Low ESAL mixture test results shall meet the requirements of Article 1030.05(d)(4). The required number and size of prepared samples submitted for the Hamburg wheel and I-FIT testing shall be according to the “High ESAL - Required Samples for Verification Testing” table in Article 1030.05(d)(3) above.”

Add the following to the end of Article 1030.10 of the Standard Specifications to read:

“Mixture sampled during first day of production shall include approximately 60 lb (27 kg) of additional material for the Department to conduct Hamburg wheel testing and approximately 80 lb (36 kg) of additional…