Faughn PitSag Subsidence 2025 - Technical Specs updated 09222025.pdf

SPECIFICATIONS

Faughn Pit/Sag Subsidence 2025

AML-ETaE-2553

September 12, 2025

Edwardsville Office Ron Huff, Director SIUE – Box 1459 Office of Mines & Minerals Alumni Hall, Room 1302 Edwardsville, IL 62026 Lance Range, Manager

(618) 650-3197 (Phone) Division of Abandoned Mined (618)650-2350 (Fax) Lands Reclamation

Project Name: Faughn Pit/Sag Subsidence 2025

Project Number: AML-ETaE-2553

DESCRIPTION OF THE PROJECT

The objective of this project is to fill a void that has developed underneath the concrete slab floor of a residential home in Pekin, Illinois due to a pit/sag type mine subsidence.

LOCATION OF THE PROJECT

The project site is located on the east side of Pekin, Tazewell County, at 313 Cypress St.

SECTION 10 -SCOPE OF WORK

Pit/sag type mine subsidence has resulted in the formation of a void underneath the concrete slab floor resulting in cracking and continual sinking of the slab. The footprint of the void appears to mimic the boundary of the cracks in the slab (roughly elliptical) which span almost the entire length and width of the basement.

Void is 12-18” deep (max) underneath the south-central portion of the basement where the slab shows the most amount of downward movement, and tapers toward the outer edges in all directions; in most areas the void appears to less than 6 inches.

The work that is to be accomplished is described in the following text and associated figures:

A) Furnish and Install Polyurethane Foam. The objective is to eliminate the hazard by filling the void with an expanding polyurethane foam (polyfill), thereby stabilizing the slab floor and preventing further downward movement.

The polyfill is to be placed in the void by drilling small holes in the affected concrete slab and injecting the foam that expands, filling voids beneath the slab while creating a stable surface. The contractor shall make all reasonable attempts to place the material in such a manner that it flows into the voids completely. The injection pressure should be continually monitored to avoid any significant slab jacking/lifting of the existing sunken floor (to prevent potential destabilization of the load bearing elements of the structure). In addition to numerous existing cracks in the slab resulting from the sinking, two vertical holes currently exist within the slab (location of prior steel support jacks anchored to below grade footings) that should be monitored and/or accounted for during the injection process. All holes in the slab should be sealed with Portland cement after completion of remediation.

A line item for 1,661 lbs of polyfill has been designated for bidding purposes (estimated for an average 6-inch void underneath the basement slab measuring approximately 39 ft x 23 ft). The actual quantity may vary. This item will be paid for per lb of polyfill placed in the void.

B) Mobilization/Demobilization (LUMP SUM). This work item shall include all costs incurred by the Contractor during the project necessary to facilitate material and equipment transport to the project site and repair any damages caused by the contractor related to project implementation. This work item is to include all costs incurred by the Contractor for both access and egress. All disturbed areas shall be restored to pre-construction conditions. All injection holes in the slab should be sealed with Portland cement after completion of remediation. Deviation from this will be at the project manager's discretion.

Debris generated in site restoration is to be disposed of offsite as per Section 84 requirements.

STARTING DATE OF THE CONTRACT

Work on the project shall commence within 14 calendar days of notice to proceed.

The Contractor shall contact the Department to notify the Department of the anticipated construction schedule.

CONSTRUCTION ENDING DATE

Work on this project shall be substantially completed within 60 calendar days of notice to proceed.

Final clean-up, final inspection, any alterations, repair, remedial or holdover work, reseeding, and submission of the final pay request shall be completed prior to the contract ending date.

CONTRACT ENDING DATE

This contract shall end 90 calendar days after notice to proceed.

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SECTION 80 – GENERAL REQUIREMENTS AND COVENANTS

81 - ADDENDUMS

The latest edition of "Standard Specifications for Road and Bridge Construction," by the Illinois Department of Transportation; as amended and supplemented by the "Supplemental Specifications and Recurring Special Provisions," (hereinafter referred to collectively as "Standard Specifications"), are incorporated by reference and made a part of this specification. (The Standard Specifications can be purchased from the Illinois Department of Transportation.)

In the application of the Standard Specifications to this Contract, references to the Department of Transportation shall be interpreted to mean the Department of Natural Resources, Office of Mines and Minerals, Division of Abandoned Mined Lands Reclamation.

82 - DEFINITION OF TERMS

Engineer - The Director of the Department of Natural Resources of the State of

Illinois, or his authorized representative limited by the particular duties entrusted to him. The terms Project Inspector and Project Manager are synonymous with Engineer.

Gob - Coarse textured mine waste material, generally acidic, from a coal cleaning process. This material is composed of rock, shale, pyritic material and varying amounts of coal. The material varies considerably in its moisture content, texture, stable angle of repose and bearing capacity.

Mine Spoil - A mixture of various soil and rock material as a result of the removal of overburden to expose the coal in surface mining. The material varies considerably in its moisture content, texture, stable angle of repose and bearing capacity.

Slurry - A mixture of coal fines and fine coal waste material resulting from a coal cleaning process. This material is composed of water, silts, clays, pyritic material and coal. The material varies considerably in its moisture content, stable angle of repose, shear strength and bearing capacity.

Clay soil - A naturally occurring soil, classified by AASHTO as A-6 or as CL under the Unified Classification.

Mine refuse - This is a mixture of gob, naturally occurring surface soils, and debris in varying compositions.

Suitable Fill- This shall be all material classified by the Project Inspector as having desirable fill characteristics.

Unsuitable Fill Material- This shall be all material classified by the Project Inspector as having undesirable characteristics for refilling the excavation.

Clean Soil Fill - This shall be that part of Suitable Fill material, which is classified by the Project Inspector as having desirable soil characteristics and being as reasonably free of foreign or deleterious matter.

Non-Clean Soil Fill - This shall be that part of Suitable Fill material which has not been classified as Clean Soil Fill by the Project Inspector.

Debris - This is material that is not suitable for use in project activities.

83 - BIDDING REQUIREMENTS AND CONDITIONS

It shall be the responsibility of the Contractor to visit the project site in order to become fully acquainted with all the details pertaining to the project. When the Plans or Specifications include information pertaining to subsurface exploration, borings, test pits and other preliminary investigation, such information represents the best knowledge of the Department as to the location, character or quantity of the materials encountered and is only included for the convenience of the bidder. The Department assumes no responsibility whatever in respect to the sufficiency or accuracy of the information, and there is no guaranty, either expressed or implied, that the conditions indicated are representative of those existing throughout the work, or that unanticipated developments may not occur.

The topographical land features of abandoned coal mine sites have typically been altered or impacted by the mining operations. When mine refuse covers those features, it may be difficult or impossible to discover or estimate the full extent of impact to the ground surface. The depths and composition of mine refuse, as well as corresponding ground surface characteristics as represented in the Plans, are based upon available information and extrapolations from surrounding land features and deductive reasoning as to the probable techniques employed by the mining operation. The Plan lines that indicate existing conditions do not purport to fully represent minor variations in refuse depth or thickness, or small, hidden pockets of mine refuse. Such conditions encountered shall not constitute a basis for unit price adjustment or extra compensation.

ILLINOIS BIDBUY PROCUREMENT SYSTEM

All contractors planning to submit a bid are required to register in BidBuy.

Registration must be completed prior to the bid submittal date and time.

BidBuy is the new electronic procurement system being used by agencies under the jurisdiction of the Chief Procurement Officer for General Services. With the implementation of BidBuy, some procurement processes have changed. In some instances, BidBuy entirely replaces the State’s previous procurement processes. In others, the past instruction or process remains unchanged or is augmented by BidBuy. The State continues to accept bids submitted entirely on paper.

Please follow this link to login: https://www.bidbuy.illinois.gov/bso/

For help with your login or registration contact BidBuy Vendor Services by phone 866-455-2897 or email il.bidbuy@illinois.gov

For online help documents and videos:

https://www.illinois.gov/cpo/PathwayToProcurement/Pages/BidBuy.aspx

OSMRE APPLICANT VIOLATOR SYSTEM

The successful bidder will be required to complete an Abandoned Mine Land (AML) Contractor Information Form (OMB 1029-0119) certifying or updating information in the Office of Surface Mining Reclamation and Enforcement (OSMRE) Applicant Violator System (AVS). If the successful bidder is not already registered in AVS the contractor shall provide business ownership information as indicated on the form. This form shall be completed and executed prior to commencement of the work. If a contractor is deemed ineligible for performing AML reclamation work the next lowest bidder may be utilized, at the discretion of the Project Manager, to complete the work.

SUBMITTAL OF BIDS

The bid sheet for this project is included as the last page of the bid package with the date and time listed for which bids are due. This bid sheet must be used in submittal of bids.

Illinois Department of Natural Resources Office of Mines and Minerals Abandoned Mined Lands Reclamation Division One Natural Resources Way Springfield, IL 62702 Phone: (217) 782-0119 Fax: (618) 524-4819 e-mail: Dipanjan.Ghosh@illinois.gov

Bids will not be opened or read until the letting date and time. The winning bidder will be required to submit the original signed completed bid sheet to IDNR prior to contract award.

https://www.bidbuy.illinois.gov/bso/ mailto:il.bidbuy@illinois.gov https://www.illinois.gov/cpo/PathwayToProcurement/Pages/BidBuy.aspx

84 - GENERAL MATERIAL AND WORK REQUIREMENTS

84.1 - Materials

All material removed from the project site is to be disposed of in a State of Illinois approved landfill or a location approved by the Project Manager according to State of Illinois rules and regulations. Salvage of materials will be allowed only on an approved basis. Non-reusable clean soil fill may be removed to a disposal site which is convenient to the Contractor which is subject to the Project Manager’s approval. All soil furnished is to be approved by the Project Manager and clean and free of non-soil matter (i.e. tree limbs, cans, bricks, etc.). All earthen backfill materials are to be placed in 0.3 m (1-foot) lifts and compacted as completely as possible after each lift. Compaction can be accomplished using a backhoe bucket or mechanical tamper unless specified by contract provisions.

The Contractor must provide the location and documentation that the clay soil was obtained from a quarry, an existing construction site, or other approved borrow location. A precise USDA soil series description of the soil to be used as fill must be provided. The borrow location shall be subject to the Project Manager's approval. Prime and Unique soils are not allowable as fill material.

84.2 - Measurement for Payment

All quantities shall be measured as in-place quantities for payment unless specified otherwise by contract provisions.

84.3 - Mobilization/Demobilization

Mobilization/demobilization is to include all work necessary to facilitate material and equipment transport to the project site and repair any damages caused by the Contractor related to project implementation. This work item shall also include providing proper barricades and signage to warn and protect the public from accessing open excavations.

84.4 - Interpretations

The Contractor shall make interpretations of the surface and subsurface conditions which may affect methods or cost of execution of the work, and herein agrees to make no claim for damage or compensations should the Contractor find conditions during the progress of the work different from those calculated and/or anticipated.

84.5 - Drainage

The site shall be maintained so that it will be well drained at all times. If, during the prosecution of the work, it is necessary to interrupt existing sewer or underdrainage, temporary drainage facilities shall be provided until the permanent drainage work has been completed. Such temporary drainage facilities will be considered incidental to the contract.

The Contractor shall be responsible for, and shall take all necessary precautions to preserve and protect all existing tile drains, sewers and other sub-surface drains or parts thereof which may be affected by his operations, and which may be continued in use without change. He shall repair, at his own expense, any and all damage to such drainage facilities resulting from negligence on his part.

84.6 - Existing Pavements

Existing pavements and roadways may only be used for construction traffic with approval of the respective property owner. The Contractor shall provide temporary additional roads needed for required construction access, maintain existing roads throughout construction, and restore to original or better condition at completion of work.

All asphalt that is damaged or removed to facilitate construction activities shall be repaired. Repair includes clean cut damage areas and asphalt replacement in such a manner so that the repair areas conform with adjacent areas in a functional and aesthetically pleasing manner. Repaired areas shall be of an equivalent thickness and type as the original, and shall be rolled smooth. All work associated with this item shall be considered incidental to the contract unless explicitly covered by specification provisions.

All concrete work including, but not limited to, driveways, sidewalks, curbs, gutters, and foundations which are damaged or removed to facilitate construction activities shall be repaired. Repaired areas shall be functionally equivalent and aesthetically pleasing. Repaired areas shall be of an equivalent thickness and type as the original. All work associated with this item shall be considered incidental to the contract unless explicitly covered by specification provisions.

84.7 - Base and Topping Materials

For temporary construction which will be removed when no longer needed for construction purposes, and all affected areas restored to original or better condition at the completion of work, the selection of these materials is at the Contractor's option, unless otherwise specified.

84.8 - Owner Occupancy

Projects involving residential property typically include Owners that continue to occupy premises during the entire construction period. The Contractor shall cooperate with Owners in scheduling operations to minimize conflict and to facilitate Owner's usage.

84.9 - Temporary Controls

A. Dust and Mud Control:

The Contractor shall provide positive methods and apply dust control materials to minimize raising dust from construction operations, and provide positive means to prevent air-borne dust from dispersing into the atmosphere. All work associated with this item shall be considered incidental to the contract unless explicitly covered by specification provisions.

B. Debris Control:

The Contractor shall initiate and maintain a specific program to prevent accumulation of debris at the construction site, storage and parking areas, or along access roads and haul roads. All work associated with this item shall be considered incidental to the contract unless explicitly covered by specification provisions.

C. Pollution Control:

The Contractor shall provide methods, means and facilities required to prevent contamination of soil, water or atmosphere by the discharge of noxious substances and sediments from construction operations. All projects involving the disturbance of one or more acres are covered by NPDES General Permit Number ILR100000, issued by the Illinois Environmental Protection Agency (IEPA) for storm water discharges from construction site activities. The Contractor shall be required to comply with the provisions of the General Permit and must become a party to the Department of Natural Resources; Office of Mines and Minerals; Division of Abandoned Mined Lands Reclamation Storm Water Pollution Prevention Plan.

The Contractor shall prevent harmful substances, such as acid water, from entering public or private waters. If treatment of acid water is determined necessary by the Project Manager and it is not specified within these special provisions, any water treated will be paid for in accordance with Article

109.04 of the Standard Specifications. The Contractor is liable for restoration of water quality and aquatic life if adversely affected by his/her actions. The Contractor shall maintain all such systems throughout the duration of the project.

The Contractor shall provide systems for control of atmospheric pollutants to prevent toxic concentrations of chemicals; to prevent harmful dispersal of pollutants into the atmosphere; and to comply with all permit requirements that may apply.

Any water encountered, which is discharged into drainage areas, shall be treated if necessary to meet IEPA Mine Discharge Standards. Any cost for this shall be considered incidental unless specified otherwise in contract provisions.

The Contractor must notify the Project Manager immediately if buried wastes, liquid waste vessels or other potentially harmful materials are encountered. Necessary precautions should be taken to safeguard the area and to protect workers and the public until further directions are provided by the Project Manager.

84.10 - Responsibility of the Contractor

The Contractor shall be responsible for obtaining any and all permits required by local ordinances, state and/or federal laws, and shall be required to become a party to the Department of Natural Resources; Office of Mines and Minerals; Division of Abandoned Mined Lands Reclamation (Department) Storm Water Pollution Prevention Plan, as mandated by the Illinois Environmental Protection Agency General Permit for Storm Water Discharges. Consents for Right of Entry from property owners will be obtained by the Department.

Any fees required for the procurement of other permits which may be necessary shall be at the expense of the Contractor, not to be reimbursed by the State, but to be considered incidental to the contract.

During the performance of this construction contract, the Contractor shall not enter into any agreement to provide additional work for or at the direction of the owner(s) of the property where the reclamation shall take place, or with the owner(s) of adjacent or nearby property, without the prior written approval of the Department.

The Contractor agrees that any additional work to be performed for such owners, after approval by the Department, will not be permitted to interfere with the scheduled operations or planned reclamation results specified for the reclamation project. The Contractor further agrees to indemnify and hold harmless the Department against any and all claims for personal injury or property damage arising out of or occasioned by the additional work.

84.11 - Underground Utilities and Other Obstructions

It shall be the sole responsibility of the Contractor to locate and avoid all underground utilities, facilities, and other structures and obstructions and for that purpose shall employ all necessary precautions and methods to insure avoidance of and/or damage to such underground conditions. In the event such damage does occur, the Contractor shall be solely liable, therefore, and shall notify the affected owner and the project manager immediately, and make or have made all necessary repairs and bear the expense thereof and all resulting damage caused thereby.

85 - LEGAL RELATIONS AND RESPONSIBILITY TO THE PUBLIC

85.1 - Protection and Restoration of Property

If any damages are incurred from the Contractor's operations to any properties outside of the project site as shown on the plans, the Contractor shall be responsible for all repairs required to restore the damaged areas to their original condition regardless of the property involved. Any deviations from the project site or requirements specified herein shall only be done with written approval of the Engineer pursuant to the following:

1. Written request from the Contractor, due to the limitations of the construction area as it affects his efficiency to complete the contract.

2. If the Project Manager deems it necessary to deviate from the project site, as provided herein, to improve the workability of the contract.

85.2 - Insurance

The Contractor shall obtain and thereafter keep in force the following insurance coverage provided by insurance companies acceptable to the Department and authorized to transact business under the laws of the State of Illinois. Coverage limits shall be written at not less than the minimum specified in this Article. Higher minimum limits and additional coverage may be specified by a special provision elsewhere in the contract. Whether stated in this Article or elsewhere, the Department does not warrant the adequacy of the types of insurance coverage or the limits of liability specified.

The Illinois Department of Natural Resources and the property owner (Sammie

Jones) shall be named as additional insureds.

(a) Workers Compensation and Employers Liability

Workers compensation shall be provided in accordance with the provisions of the Illinois Worker's Compensation Act, as amended.

(b) Commercial General Liability

Required liability insurance coverage shall be written in the occurrence form and shall provide coverage for operations of the Contractor; operations of subcontractors (contingent or protective liability); completed operations;

broad form property damage and hazards of explosion, collapse and underground, and contractual liability. The general aggregate limit shall be endorsed on a per project basis.

(1) $1,000,000 Combined Single Limit

(2) $1,000,000 Property Damage - each occurrence

$2,000,000 Property Damage - aggregate

(3) $1,000,000 Bodily Injury - each occurrence

The coverage shall provide by an endorsement in the appropriate manner and form, the Department, to its officers, agents and employees shall be named as additional insureds with respect to the policies and any umbrella excess liability coverage for occurrences arising in whole or in part out of the work and operations performed. The Department may accept a separate owner's protective liability policy in lieu of the Department, its officers, and employees being insured on the Contractor's policy.

(c) Comprehensive Automobile Liability

(1) $1,000,000 Bodily Injury – combined single limit including owned, non-owned, and hired motor vehicle

(2) $1,000,000 Property Damage – combined single limit including owned, non-owned, and hired motor vehicle

(3) $1,000,000 Combined single limit

(d) Umbrella Liability

Any policy shall provide excess limits over and above the other insurance limits stated in this Article. The Contractor may purchase insurance for the full limits required or by a combination of primary policies for lesser limits and remaining limits provided by the umbrella policy.

When work is to be performed within railroad right-of-ways, the requirements of

Article 107.11 of the Standard Specifications will also apply.

All insurance shall remain in force during the period covering occurrences happening on or after the effective date and remaining in effect during performance of the work and at all times thereafter when the Contractor may be correcting, removing or replacing defective work until notification of the date of final inspection. Termination or refusal to renew shall not be made without 30 days prior written notice to the Department by the insured(s) and the policies shall be endorsed so as to remove any language restricting or limiting liability concerning this obligation.

Certified copies of the original policies or certificate(s) of insurance by the insurer(s) issuing the policies and endorsements setting forth the coverage, limits and endorsements shall be filed with the Department before the Department will execute the contract. In no event shall any failure of the Department to receive polices or certificates or to demand receipt be construed as a waiver of the Contractor's obligation to obtain and keep in force the required insurance.

All costs for insurance as specified herein will be considered as included in the cost of the contract. The Contractor shall, at its own expense and risk of delay, cease operations if the insurance required is terminated or reduced below the required amounts of coverage. Coverage in the minimum amounts set forth herein shall not be construed to relieve the Contractor from its obligation to indemnify in excess of the coverage in accordance with the contract.

85.3 – Indemnification and Liability

The Contractor shall indemnify and hold harmless the State of Illinois, its agencies, officers, employees, agents and volunteers from any and all costs, demands, expenses, losses, claims, damages, liabilities, settlements and judgements, including in-house and contracted attorneys’ fees and expenses, arising out of: (a) any breach or violation by the Contractor of any of its certifications, representations, warranties, covenants or agreements; (b) any actual or alleged death or injury to any person, damage to any real or personal property, or any other damage or loss claimed to result in whole or in part from the Contractor’s negligent performance; (c) any act, activity or omission of the Contractor or any of its employees, representatives, subcontractors or agents; or (d) any actual or alleged claim that the services or goods provided under the scope of work infringe, misappropriate, or otherwise violate any intellectual property rights of a third party.

85.4 - Limitation on Mechanics Liens

The owners and tenants of private property involved in Abandoned Mined Land

(AML) projects are not responsible to the Contractor, nor to any subcontractor, material supplier, operator or laborer for any of the costs or expenses of the reclamation work. AML projects are undertaken pursuant to the Abandoned Mined Lands and Water Reclamation Act for the protection of the public health and safety and/or protection of the environment. Project design, contracting, and payment are the sole responsibility of the Department.

In the event of a contract dispute, the Contractor's remedies shall be limited to those provided in the Contract and to claims or actions to be brought against the Department in the Illinois Court of Claims, pursuant to the Court of Claims Act (Ill.

Rev. Stat 1991, ch. 37, par. 439.1 et. seq.). The Contractor shall not place any mechanics liens against any private property involved in the reclamation project.

Subcontractors, material suppliers, operators, and laborers remedies for non-payment include all legal actions against the Contractor, claims and actions brought against the Contractor's surety under the contract performance and payment bond, and claims for "Liens Against Public Funds" as provided in paragraph 23(c) of the Mechanics Lien Act. Subcontractors, material suppliers, operators, and laborers shall have no rights in regard to liens against private property.

The Contractor shall cause the terms of this Special Provision to be included in all subcontracts.

86 - PROSECUTION OF WORK

The Contractor shall at all times prosecute the work diligently and in a workmanlike manner, with suitable and adequate equipment and personnel and with a minimum of damage and disturbance. The Contractor shall maintain a protective barrier around the affected area during non-working hours.

In the event that the Contractor fails to complete all work within the time specified, or within such extra time as may have been allowed by extensions, the Contractor shall be liable to the Office and Mines and Minerals in the amount specified in the table below for each calendar day for each day of overrun in contract time or such extended time as may have been allowed. Such liability shall be considered not as a penalty but as liquidated damages. The Office and Mines and Minerals may withhold such amounts for which the Contractor is liable from such sums as may be due the Contractor under the terms of the agreement.

Original Contract Amount Daily Charge

From More To and Calendar Than Including Day

$ 0 $ 100,000 $ 475 $ 100,000 $ 500,000 $ 750 $ 500,000 $ 1,000,000 $ 1025 $ 1,000,000 $ 3,000,000 $ 1275 $ 3,000,000 $ 6,000,000 $ 1,425

87 - ACCOUNTING REQUIREMENTS

87.1 Payments to the Contractor

Payments shall be made to the Contractor at the rate of actual units used times the unit price bid except for "lump sum" price items. They shall be paid at the lump sum price bid. The Contractor shall furnish weight, volume, and quantity receipts to document units used.

The Contractor further represents that he will comply with the Illinois prevailing wage law and pay workers in accordance with the prevailing rates set forth by the Illinois Department of Labor. The contractor shall provide to the Office and Mines and Minerals, along with each invoice for payment, a certified payroll for the billing period and material and quantity receipts for units used. The Office and Mines and Minerals may withhold payment of any invoice until such time as all necessary documents as required by contract provisions have been provided to the Office and Mines and Minerals.

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313 Cypress St, Pekin, IL 61554

313 Cypress St dipanjan.ghosh Callout Sammie Faughn residence at 313 Cypress St in Pekin, Tazewell County, IL dipanjan.ghosh Pencil dipanjan.ghosh Callout Approximate footprint of void underneath slab floor.

Bidsheet

A B C D E F Item Bid Base Unit Cost Num. Bid item Quantity Units per bid Subtotal

Quantity (CxE)

A Furnish & Install Polyurethane Foam (NIGP: 912-23) 1,661 Lbs

B Mobilization/Demobilization (NIGP: 912-44 ) Lump Sum

TOTAL

Project Name: Faughn Pit/Sag Subsidence 2025 Firm Name:

Project No.: AML-ETaE-2553 Date of Letting: Address:

EMAIL:

Phone No.:

Notes:

1. Quantities used will be paid according to the unit costs.

Bidder's signature