COMMONWEALTH OF KENTUCKY

DEPARTMENT FOR FACILITIES AND SUPPORT SERVICES

DIVISION OF ENGINEERING AND CONTRACT ADMINISTRATION

INVITATION TO BID NO: RFB-149-26

FOR: 24050 AMLMAML

AML Project Letcher County, Kentucky

DATE: December 5, 2025

RFB-785-2600000251

ADDENDUM NO. One (1)

BIDDER SHALL CONFORM TO THE FOLLOWING CHANGES AS SAME SHALL BECOME BINDING

UPON THE CONTRACT TO BE ISSUED IN RESPONSE TO THIS INVITATION TO BID.

Item 1: Refer to attached addendum for all additions, deletions, and/or changes to specifications and/or drawings.

Item 2: Official Bid Opening has been moved to December 12, 2025, at 1:30 P.M. Eastern Time

Item 3: Bidders must use Revised Bid Schedule 12/5/2025 in lieu of previously issued.

END OF ADDENDUM

Invitation to Bid No. RFB-149-26 For: 24050 AMLMAML

AML Project Letcher County, Kentucky

Susan Ward, Statewide Procurement Analyst II Division of Engineering and Contract Administration

NO. ITEM M.O.P. UNIT QUANTITY * Low APL UNIT PRICE TOTAL

1 MOBILIZATION L.S. L.S. 1.0 X NA ≤ 1.00$ = 25,000.00$

2 UTILITY RELOCATION/REPLACEMENT A.C.U. A.C.U. 10,000.0 X NA ≤ 1.00$ = 10,000.00$

3 LANDSCAPE ALLOWANCE A.C.U. A.C.U. 6,000.0 X NA ≤ 1.00$ = 6,000.00$

4 SITE PREPARATION U.P. ACRE 1.0 X $750.00 ≤ $ = $

5 SITE PREPARATION- WASTE AREAS U.P. ACRE 1.0 X $750.00 ≤ $ = $

6 CONCRETE- FORMED & FINISHED U.P. CY 10.0 X $200.00 ≤ $ = $

7 FILTER FABRIC U.P. SY 500.0 X $0.50 ≤ $ = $

8 GEO-GRID U.P. SY 500.0 X $2.00 ≤ $ = $

9 SILT BARRIER - BALES & FENCE U.P. LF 200.0 X $1.00 ≤ $ = $

10 SILT TRAP - TYPE A & B U.P. EACH 1.0 X $500.00 ≤ $ = $

11 HOE RAM U.P. HOUR 25.0 X $60.00 ≤ $ = $

12 EARTHWORK (MEASURED) U.P. CY 6,000.0 X $5.00 ≤ $ = $

13 CLASS II / III U.P. TON 500.0 X $20.00 ≤ $ = $

14 24" DIA. HDPE PIPE- STANDARD U.P. LF 40.0 X $20.00 ≤ $ = $

15 36" DIA. HDPE PIPE- STANDARD U.P. LF 200.0 X $35.00 ≤ $ = $

16 PORTAL CLOSURE U.P. EACH 4.0 X $1,000.00 ≤ $ = $

17 REVEGETATION L.S. L.S. 1.0 X $1,250.00 ≤ $ = $

18 RESIDENTIAL SEEDING U.P. ACRE 1.0 X $500.00 ≤ $ = $

19 DENSE GRADE AGGREGATE U.P. TON 50.0 X $20.00 ≤ $ = $

20 ROADWAY STONE U.P. TON 400.0 X $20.00 ≤ $ = $

BID TOTAL = $

24050AMLMAML RECLAMATION PROJECT

LETCHER COUNTY, KENTUCKY

BID SCHEDULE

NOTE: THE AUTHENTICATION OF BID AND STATEMENT OF NON-COLLUSION AND NON-CONFLICT OF INTEREST PAGE MUST BE PROPERLY EXECUTED FOR THE TOTAL BID

AMOUNT TO BE VALID.

* Any Unit Price outside the Allowable Price Limit (APL) range may be considered an unbalanced bid and may have to be justified in writing if such bid is deemed the low responsive bid.

REVISED BID SCHEDULE 12/5/2025

RFB-149-26

24050AMLMAML PROJECT NOTES

The Construction start date will be Tuesday February 10, 2026. Contractor shall mobilize on this date, weather permitting. Or the first day after February 10, 2026, when weather permits

24050AMLMAML

VALERIE DICKS SLIDE

AML RECLAMATION PROJECT

LETCHER COUNTY

PROJECT DESCRIPTION:

This project is in Letcher County in the community of Millstone KY, at Latitude 37.1820.

Longitude -82.7572. To locate the site from Whitesburg take US 119 from the junction of KY 15

& KY15X in a northerly direction 5.78 miles to the junction of KY 805. Turn onto KY 805 and travel 0.60 miles. Turn left onto KY 113 and travel 2.75 miles to Mrs. Dicks house on left.

This site will consist of removing a landslide located near four mine portals situated on the mountainside behind the Dicks residence. Approximately around half of an acre of slide material will be excavated and hauled to the designated waste area in Millstone, located above the jobsite.

Two temporary 36-inch pipes will be installed to facilitate drainage during slide removal operations. We propose to reopen and reconstruct four non-wildlife mine portal closures in the slide area. Class II rock will be used to line the wet areas if needed. Surface water runoff from the portals will be managed using a rock ditch, which will be hoe-rammed if necessary.

Any permits will be obtained prior to construction. Any tree removal will conform to present

Cabinet, State & Federal guidelines. Project limits include 3.87 acres, with an expected disturbance of 2.68 acres within project boundaries. A total of 1.3 acres or less of trees will be disturbed.

Mobilization is set up to provide for construction equipment to be delivered to the site.

Utility Relocation/Replacement is set up in case any utility becomes impacted by the project.

Landscape Allowance is set up for replacement “in kind” of any landscape in and around residential areas as part of normal construction techniques to facilitate the completion of other construction bid items.

Site Prep is set up for both the residence and waste area for clearing and grubbing and excavation for road access.

Concrete-Formed & Finish will be used for ditch area if needed.

Silt Barrier-Bales & Fence will be for controlling the drainage ditch at the project site and waste area.

Silt Control-Trap Type A & B will be installed at wase area for water way coming down ditch area at roadway.

Hoe Ram is set up to address any areas where rock or soil needs to be removed to facilitate the ditches coming off the hill.

Earthwork is included to excavate for the slide coming off the hill into the creek area.

Class II/III rock is included to stabilize drains in areas of steep terrain and line in wet roadway areas to portals if needed.

HDPE Pipe 24 Inch will be used for controlling water at mine portals and realigning drainage at the waste area.

HDPE Pipe 36 Inch will be 2 temporary water crossing for moving slide off hill side.

Portal Closure is included to close off old existing mine openings that have collapsed to be safe for the public.

Revegetation will be used at the waste area and project site if needed.

Residential Seeding is included for all revegetation efforts within the project site & waste area.

Dense Grade Aggregate is included to provide for access during normal reclamation.

Roadway Stone is included to repair the Dicks driveway and parking areas.

WASTE AREA:

Waste area to be used is previously a deep mine site leased by Black Stork Energy and is a new fill site for AML. This site is in Letcher County located right off KY 113. Latitude 37.1817.

Longitude -82.7577. approximately 7.30 miles south of the US 119 and KY 15 junction in

Whitesburg, Ky. The site has a high wall around the area projected to be filled with waste material. To make the site useable 40 feet of temporary pipe will be installed for erosion along with a Type A silt trap. Project limits will be a total of 4.95 Acres with a maximum total area to be disturbed of 1.35 Acres.

Any permits will be obtained prior to construction, no cave-like structures will be closed, and no cliff-lines will be disturbed.

Revised 12/11/2024

COR & BID & BMP 1

24050AMLMAML (AML) RECLAMATION PROJECT

LETCHER COUNTY, KENTUCKY

Written Location Directions: This project is in Letcher County in the community of Millstone KY, at Latitude 37.1820. Longitude -82.7572. To locate the site from Whitesburg, take US 119 from the junction of KY 15 & KY 15X in a northerly direction 5.78 miles to the junction of KY 805. Turn onto KY 805 and travel 0.60 miles. Turn left onto KY 113 and travel 2.75 miles to Mrs. Dicks house on left.

Basic Project Description: This site will consist of removing a slide located around four closed mine portals. The portals are located on the side of the mountain behind the Dicks residence. The slide area of .47 acres will be excavated and transported to the designated waste area in Millstone above the jobsite.

A temporary pipe will be installed for the construction of slide clean off. We propose to reopen and construct four non-wildlife mine portal closures in the slide area. Project limits will be a total of 1.70 Acres with a maximum total area to be disturbed of 0.94 Acres.

A. STANDARD DOCUMENTS

The AML Standard Details and Technical Specifications are posted on the Division’s website at https://eec.ky.gov/aml

Once on the web page, please click “Contractor Information” tab located on the right side. AML standard technical specification and detail are located under this tab. Contractors are strongly encouraged to review the complete AML website for additional information.

B. ALLOWABLE PRICE LIMIT

The lowest Allowable Price Limit (APL) is listed on the Bid Schedule as part of the bid documents. Unit

Price, Plan Quantity, and Lump Sum are all methods of payment. Significantly low or high values entered by the CONTRACTOR on the Bid Schedule may be considered an unbalanced bid and may have to be justified in writing if such bid is deemed the low responsive bid.

An example would be if a CONTRACTOR assumes there may not be a need for the entire design quantity for Roadway Stone and entered a $10 value for Roadway Stone when the cost at the quarry is significantly higher. Another example would be if the CONTRACTOR enters a value of $30 per linear foot for “SILT BARRIER - BALES & FENCE” to front load payments for work items used near the beginning of the project. The CONTRACTOR is also cautioned that other considerations for rejection may be enforced such as the low bid being higher than the budgeted dollar amount for this project.

C. CONTRACT LENGTH

All work shall be completed within (120) calendar days from the effective date of the Award of Contract.

Within the bounds of prudent project performance, it shall be the responsibility of the CONTRACTOR to plan and implement construction sequences which follow the intent of these CONTRACT

DOCUMENTS, particularly as, reflected in the Drawings and Special Conditions and to protect any portion of the contract which may be completed before others.

D. CONTRACTOR’S INFORMATION SHEET

https://eec.ky.gov/aml

COR & BID & BMP 2

The AML CONTRACTOR/SUBCONTRACTOR INFORMATION FORM sheet must be filled out and submitted with the bid. Failure to submit the AML Contractor/Subcontractor Information Form sheet with the bid will be the basis for declaring the bid “Non-Responsive.”

E. SPECIAL CONDITIONS & PROJECT NOTES

- When applicable, AML is responsible for payment to the Imperiled Bat Conservation Fund

(IBCF). The CONTRACTOR will be responsible for adhering to the boundary for which payment was made and confirming with AML the acreage of trees removed.

- On occasion, a property owner may require a CONTRACTOR to add them on their General

Liability and/or Automobile Insurance as an “Additional Insured.” AML will inform the

CONTRACTOR when this requirement is being made by the property owner. In these cases, the

CONTRACTOR must submit to AML copies of their certificate of insurance documenting the

“Additional Insured” before they will be allowed to mobilize equipment and forces on to said properties. Any fees, rate increases, or other costs incurred by the CONTRACTOR for this requirement, if any, will be considered incidental to mobilization and as such no compensation will be made by AML. The “Additional Insured” must remain on the CONTRACTOR’s policy(s) for the full length of the contract.

- Add any special conditions, notes, exceptions to standard documents or write “None”.

- Add Bid Item descriptions that are contrary to standards notes.

F. DAVIS BACON SCALE WAGES

The CONTRACTOR and all SUBCONTRACTORS are required to pay scale wages as defined in the contract documents. If all employment categories that may be used have not been listed and specified in the contract document, then the contractor must make his best determination of what the missing wage rate will be. Subsequently after the bid is awarded, the contractor must request the specific rate from the

Department of Labor. AML will not issue change orders for additional compensation if the wage rate determined by DOL is higher than the rate the contractor used to develop his bid. If wage rates are not included for a specific category, AML suggests that the contractor assume the highest operator or laborer wages that are listed when developing his bid.

G. PERMITS & FEES – AML will be responsible for obtaining any permits that are checked below.

(Check all that apply)

☒KYTC Encroachment Permit

☒KY DOW Water Permits

☒USACE Permit

The CONTRACTOR is responsible for all other permits and/or fees necessary to begin the project. The

CONTRACTOR is advised that on occasion, other permits and/or fees may be required by federal, state, and local government(s). Other types of permits and/or fees are not the responsibility of AML and as such, these will be the complete and total responsibility of the CONTRACTOR to obtain. These must be obtained before AML will allow mobilization of equipment and forces on to said properties. All costs

COR & BID & BMP 3

associated with other permits or fees will be the responsibility of the CONTRACTOR. Please refer to

“General Provisions” in the AML Technical Specifications.

BID ITEM DESCRIPTION

24050AMLMAML AML RECLAMATION PROJECT

LETCHER COUNTY, KENTUCKY

NO ITEM DESCRIPTION

1 MOBILIZATION This item consists of the mobilization and demobilization of the

CONTRACTOR’S forces and equipment in accordance with the

“Mobilization/Demobilization” AML Standard Technical Specification. The amount of this bid item is not to exceed 5 percent of the sum of the lump sum bid price.

Measurement: Not Applicable.

Payment: Payment shall be made at increments set in the AML Technical

Specifications totaling the Lump Sum price.

2 UTILITY

RELOCATION /

REPLACEMENT

This consists of furnishing all materials, equipment, and labor necessary to replace utilities damaged by construction or relocate any utilities that are in the construction area in accordance with the “Utility Relocation” AML Standard

Technical Specification. The CONTRACTOR is required to supply the

ENGINEER with all documentation to support cost incurred to qualify for reimbursement.

Special Considerations: None

Major Incidentals: These will be listed in writing by the ENGINEER prior to beginning the work.

Measurement: Not Applicable.

Payment: Payment shall be made for Actual Documented Costs for

“UTILITY RELOCATION/REPLACEMENT” approved by the

ENGINEER. The payment shall be a direct reimbursement for actual documented costs to the CONTRACTOR in accordance with the “General

Provisions” AML Standard Technical Specification. Such payment shall constitute full compensation for all labor, equipment, materials, and incidentals.

COR & BID & BMP 4

3 LANDSCAPE

ALLOWANCE

This item of work shall consist of furnishing all materials, equipment, and labor necessary to replace damaged landscape structures, plants and trees as depicted on Drawings and as directed by ENGINEER in accordance with the

“Revegetation” AML Standard Technical Specification. The CONTRACTOR is required to supply the ENGINEER with all documentation to support cost incurred to qualify for reimbursement.

Special Considerations: None

Inspector Notes: Conduct a picture inventory of landscape items that may be affected before construction starts and keep an item list of those landscape items that are affected.

Major Incidentals: These will be listed in writing by the ENGINEER prior to beginning the work.

Measurement: Not Applicable

Payment: Payment for Actual Documented Costs “LANDSCAPE

ALLOWANCE” approved IN ADVANCE by the ENGINEER. The payment shall be a direct reimbursement for the removal/replacement of landscape features as approved/directed by the ENGINEER in accordance with the

“General Provisions” AML Standard Technical Specification. Such payment shall constitute full compensation for all labor, equipment, materials, and incidentals.

4 SITE PREPARATION This item of work shall consist of furnishing all materials, equipment, and labor as depicted on the Drawings and as directed by the ENGINEER in accordance with the “Site Preparation” AML Standard Technical Specification.

Special Considerations: Excavation for road access will be paid as site preparation.

Major Incidentals: Clearing, grubbing, windrowing, burning, pipe removal and disposal, pipe cleanout, temporary diversion ditch construction, domestic debris removal and disposal, concrete & bituminous asphalt debris removal and disposal, access improvement/construction, in-kind fence repair/replacement, and temporary stream diversion.

Measurement: Actual Quantities shall be measured with a handheld GPS and rounded up to the next whole 0.5 acre actually cleared and grubbed (excludes slurry and refuse areas.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “SITE PREPARATION” in accordance with the

“General Provisions” AML Standard Technical Specification. Such payment shall constitute full compensation for all labor, materials, equipment, and other items necessary to complete the work.

COR & BID & BMP 5

5 SITE

PREPARATION-

WASTE AREAS

This item of work shall consist of furnishing all materials, equipment, and labor as depicted on the Drawings and as directed by the ENGINEER in accordance with the “Site Preparation” AML Standard Technical Specification.

Special Considerations: None

Major Incidentals: Clearing, grubbing, windrowing, burning, pipe removal and disposal, pipe cleanout, temporary diversion ditch construction, domestic debris removal and disposal, access improvement/construction, in-kind fence repair/replacement.

Measurement: Actual Quantities shall be measured with a handheld GPS and rounded up to the next whole 0.5 acre actually cleared and grubbed (excludes slurry and refuse areas).

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “SITE PREPARATION- WASTE AREAS” in accordance with the “General Provisions” AML Standard Technical

Specification. Such payment shall constitute full compensation for all labor, materials, equipment, and other items necessary to complete the work.

6 CONCRETE-

FORMED &

FINISHED

This item consists of furnishing all materials, equipment, and labor necessary to construct concrete field cast items as depicted on the Drawings and as directed by the ENGINEER in accordance with the “Concrete” AML Standard

Technical Specification. This bid item covers concrete used for: concrete ditches (all types), retaining walls (all types), footers, caps, and any other purpose that requires formwork and/or finishing. All formwork, no matter the size/scale or changes are incidental, including increases in heights of walls.

Special Considerations: None

Inspector Notes: Collect manufacturer certificates for each unit.

Major Incidentals: Formwork (including height/width increases), admixtures, finishing, materials testing.

Measurement: Actual Quantities shall be measured as the next whole cubic yard installed and accepted by the ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price for “CONCRETE- FORMED & FINISHED” in accordance with the “General Provisions” AML Standard Technical Specification. Such payment shall constitute full compensation for all labor, materials, equipment, and incidentals.

COR & BID & BMP 6

7 FILTER FABRIC This item consist of furnishing all materials, equipment, and labor, necessary to install filter fabric utilized in ditch construction as depicted on the Drawings and as directed by the ENGINEER in accordance with “Filter Fabric” AML

Standard Technical Specification. This includes all types of filter fabric used on a jobsite. The standard details list the type and quantity of fabric for each purpose.

Special Considerations: None

Inspector Notes: Collect manufacturer certificates for each unit.

Major Incidentals: Staples

Measurement: Actual Quantities shall be measured as the next whole square yard installed and accepted by the ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “FILTER FABRIC” in accordance with the “General

8 GEOGRID This item consist of furnishing all materials, equipment, and labor, necessary to install geogrid, including all labor, materials, and accessories as depicted on the

Drawings and as directed by the ENGINEER in accordance with “Geo-grid”

AML Standard Technical Specification. All geo-grid is bi-axial, except for tails behind Non-reinforced Block Walls- Type I.

Special Considerations: None

Inspector Notes: Collect manufacturer certificates for each unit.

Major Incidentals: Staples

Measurement: Actual Quantities shall be measured as the next whole square yard installed and accepted by the ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “GEOGRID” in accordance with the “General

COR & BID & BMP 7

SILT CONTROL

9 SILT BARRIER–

BALES & FENCE

This item consists of furnishing all materials, equipment, and labor necessary to maintain silt control as depicted on the Drawings, AML Standard Details, and as directed by the ENGINEER in accordance with the “Silt Control” AML

Standard Technical Specification. Hay/straw bales shall be placed with an overlap equal to 0.4 bales per linear foot of silt control fencing. Silt fence shall be trenched and removed at the end of the project. Failure to remove silt control fence (geotextile fabrics) shall result in forfeiture of demobilization.

Special Considerations: None

Major Incidentals: Maintenance, silt fence trenching and removal

Measurement: Actual Quantities shall be measured as the next whole linear foot installed and accepted by the ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “SILT BARRIER - BALES & FENCE" in accordance with the “General Provisions” AML Standard Technical Specification. Such payment shall constitute full compensation for materials, equipment, labor, and

10 SILT CONTROL –

TRAP TYPE A & B

This item consist of furnishing all materials, equipment, and labor necessary to maintain silt control as depicted on the Drawings, AML Standard Details, and as directed by the ENGINEER in accordance with “Silt Control” AML

Standard Technical Specifications. When a 3:1 length to width ratio is not possible install baffles or turbidity curtains.

Special Considerations: None

Major Incidentals: Excavation, rock, baffles/turbidity curtains, maintenance

Measurement: Actual Quantities shall be measured as “EACH” unit installed and accepted by the ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “SILT CONTROL – TRAP TYPE A & B” in accordance with the “General Provisions” AML Standard Technical

Specification. Such payment shall constitute full compensation for materials, equipment, labor, and incidentals.

EARTHWORK

COR & BID & BMP 8

11 HOE RAM This item consist of furnishing all materials, equipment, and labor necessary to accomplish the required excavation of rock utilizing a hoe ram as depicted on the Drawings and as directed by the ENGINEER in accordance with the

“Equipment” AML Standard Technical Specification.

Special Considerations: None

Major Incidentals: Equipment, operator, fuel, maintenance items

Measurement: Actual Quantities shall be measured as the next whole equipment hour when required to construct ditches and other features approved by the ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “HOE RAM” in accordance with the “General constitute full compensation for materials, equipment, labor and incidentals.

12 EARTHWORK This item consist of furnishing all materials, equipment, and labor necessary to accomplish the required excavation of material to the lines and grades shown as depicted on the Drawings and as directed by the ENGINEER in accordance with the “Earthwork” AML Standard Technical Specification.

Special Considerations: None

Major Incidentals: Excavation, transportation, placement, compaction of all excavated materials including rock ditches constructed without hoe ram.

Measurement: Actual Quantities shall be measured as the next whole cubic yard excavated calculated using "before and after" field-run surveys ONLY.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “EARTHWORK” in accordance with the “General

Provisions” AML Standard Technical Specification. Such payment shall constitute full compensation for all labor, materials, equipment, and other items necessary to complete the work; this includes all transportation of excavated materials as required and gradework efforts associated with designated waste areas.

DRAINAGE CONTROL

SURFACE DRAINAGE

COR & BID & BMP 9

13 CLASS II / III –

(DITCHES,

ANCHORS, DRAINS,

& BUTTRESSES)

This item consist of furnishing all materials, equipment, and labor necessary to install Class II and Class III rock as depicted on the Drawings, AML Standard

Details, and as directed by the ENGINEER in accordance with “Crushed

Aggregate and Channel Lining” and “Ditches” AML Standard Technical

Specifications. Subgrade preparation shall be incidental. For channels with acid mine drainage DAML will use the current Limestone Sample Results published by the KY Department of Agriculture to determine an effective weight when material is from a source with < 85% calcium carbonate.

Special Considerations: None

Inspector Notes: Collect supplier tickets.

Major Incidentals: Excavation, subgrade preparation

Measurement: Actual Quantities shall be measured based on weigh tickets supplied to the ENGINEER as ton(s) installed and accepted by the

ENGINEER. Material for treating AMD and not meeting the 85% minimum is adjusted by multiplying the weight ticket tons by the ratio of the report %

CaCO3 (as Calcium %) to the 85% minimum, rounded to the nearest ton.

Material exceeding the 85% minimum is not adjusted.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “CLASS II/III” in accordance with the “General constitute full compensation for all labor, materials, equipment, and incidentals.

COR & BID & BMP 10

HDPE PIPE-

STANDARD

This item consists of furnishing all materials, equipment, and labor, necessary to install standard, non-steel reinforced HDPE pipe as depicted on the

Drawings, AML Standard Details, and as directed by the ENGINEER in accordance with the “Crushed Aggregate and Channel Lining”, “Grout

Products”, and “Pipe” AML Standard Technical Specifications.

Special Considerations: None

Inspector Notes: Collect manufacturer certificates for each unit.

Major Incidentals: Excavation, bedding, aggregate backfill to 1’ over top of pipe, steel plates for access maintenance.

Measurement: Actual Quantities shall be measured as the next whole linear foot installed and accepted by the ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “HDPE PIPE-STANDARD” in accordance with the

“General Provisions” AML Standard Technical Specification. Such payment shall constitute full compensation for all labor, equipment, materials, and

COR & BID & BMP 11

SUBSIDENCE, PORTAL CLOSURES, & HIGHWALLS

16 PORTAL CLOSURE This item consists of furnishing all materials, equipment, and labor necessary to close mine portals as depicted on the Drawings, AML Standard Details, and as directed by the ENGINEER in accordance with the “Portal Closure” AML

Standard Technical Specification.

Special Considerations: None

Major Incidentals: Earthwork, excavation, cement, block, pipe, steel, concrete

Measurement: Actual Quantities shall be measured as “EACH” closure completed and accepted by ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “PORTAL CLOSURE” in accordance with the “General

Provisions” AML Standard Technical Specification. Such payments shall

REVEGETATION

COR & BID & BMP 12

17 REVEGETATION These items shall consist of furnishing all materials, equipment, and labor for the purpose of revegetation of the disturbed areas as depicted on the Drawings and as directed by the ENGINEER in accordance with the “Revegetation”

AML Standard Technical Specification.

Special Considerations: None

Major Incidentals: Seedbed preparation, agriculture limestone, fertilizer, seed, and mulch

Measurement: Not applicable.

Payment: Payment shall be made at the Lump Sum price bid for

“REVEGETATION” in accordance with the “General Provisions” AML

Standard Technical Specification. Such payment shall constitute full compensation for all labor, materials, equipment, and other items necessary to complete the work—this includes all transportation and gradework efforts associated with designated waste areas.

18 RESIDENTIAL

SEEDING

This item shall consist of furnishing all materials, equipment, and labor for the purpose of revegetation of the disturbed areas as depicted on the Drawings and as directed by the ENGINEER in accordance with the “Revegetation” AML

Standard Technical Specification.

Special Considerations: None

Major Incidentals: Seedbed preparation, agriculture limestone, fertilizer, seed, and mulch

Measurement: Actual Quantities shall be measurement as the next tenth of an acre seeded as approved by the ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “RESIDENTIAL SEEDING” in accordance with the

“General Provisions” AML Standard Technical Specification. Such payment shall constitute full compensation for all labor, materials, equipment, and

COR & BID & BMP 13

19 DENSE GRADE

AGGREGATE

This item shall consist of furnishing all materials, equipment, and labor necessary to place, and compact dense grade aggregate (DGA) as depicted on the Drawings and as directed by the ENGINEER in accordance with “Crushed

Aggregate and Channel Lining” AML Standard Technical Specification.

Special Considerations: This item is for temporary paved roadway repairs and base preparation prior to bituminous repair. DGA for pipe backfill is incidental to the pipe.

Measurement: Actual Quantities shall be measured based on weigh tickets supplied to the ENGINEER as ton(s) of aggregate installed and accepted by the

ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and

Unit Price bid for "DENSE GRADE AGGREGATE FOR ROADWAYS” in accordance with the “General Provisions” AML Standard Technical

Specification. Such payment shall constitute full compensation for all labor, equipment, materials, and incidentals.

20 ROADWAY STONE This item shall consist furnishing all materials, equipment, and labor necessary to place and compact as necessary the various gradations of stone as depicted on the Drawings and as directed by the ENGINEER in accordance with the

“Crushed Aggregate and Channel Lining” AML Standard Technical

Specification.

Special Considerations: None

Measurement: Actual Quantities shall be measured based on weigh tickets supplied to the ENGINEER as ton(s) of each type of channel lining, and/or aggregate installed and accepted by the ENGINEER.

Payment: Payment shall be the product of the Actual Accepted Quantities and the Unit Price bid for “ROADWAY STONE” in accordance with the “General

COR & BID & BMP 14

Erosion and Sediment Control

Best Management Practices (BMP) Plan

January 2017

COR & BID & BMP 15

OVERVIEW

This Best Management Practices (BMP) plan is a guide for Kentucky Division of Abandoned

Mine Lands (DAML) projects. It contains information regarding preventing, reducing and controlling erosion, sediment, and pollutant runoff from Abandoned Mine Land (AML)

Reclamation and Acid Mine Drainage (AMD) Abatement project construction sites. The information in this BMP will aid DAML staff and contractors in selecting, installing, and maintaining erosion prevention and sediment control measures during the different stages of construction. This BMP plan, in accordance with DAML Technical Specifications and Standard

Drawings, is intended to protect Kentucky’s streams from potential water quality impacts resulting from DAML projects.

This general BMP document is to outline the various pollution prevention measures used on

AML Reclamation or AMD Abatement Projects. The primary sources of pollutants are solids mobilized during storm events and precipitants from mineralized mine drainage. Other sources of pollutants include oil/fuel/grease from servicing and operating construction equipment, concrete washout water, sanitary wastes, and trash/debris.

EROSION PREVENTION AND SEDIMENT CONTROL MEASURES

Plans for Reclamation and AMD abatement construction projects will include erosion control measures on the planview sheets when possible, and will depict Disturbed Drainage Areas

(DDAs) and related information. The construction notes and project description may describe other control measures. The Contractor and Engineer may select an additional BMP for the project as the project changes and construction progresses. Projects that do not have DDAs annotated in the plans will employ the same concepts selecting and implementing this general

BMP plan.

Address disturbed areas or sources of sediments by the most effective means in the specific work area. Direct non-storm water discharges to sediment basins/traps or to a filter fence enclosure in a flat vegetated infiltration area or filtered via another approved commercial product. All deep mine and surface impoundment water will be tested and treated, when as necessary, to meet the

DAML Water-Treatment and Disposal Technical Specification unless stricter limitations are listed in an existing Total Daily Maximum Load (TMDL) limit.

PERMITS

The DAML shall review each project during project development to determine whether any permits are required to implement the project work. When a permit is required, DAML will make every effort to obtain the permit prior to letting the project for bidding. Permit specific conditions shall trump any standard conditions and/or practices. All permits must be maintained onsite and produced when requested by regulatory authorizes inducing representative of the permitting authority.

Common permits types for DAML projects:

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• 401 Water Quality Certification (WQC) o Issued by the KY Division of Water

• 402 KY Pollution Discharge Elimination System (KPDES) o DAML activities are covered under the AML KPDES General Permit

• 404 US Army Corps of Engineers (USACE) o Issued by the US Army Corps of Engineers- Nashville District, Louisville District, or Huntington District (Depending upon major drainage basin)

• KY Stream Construction (Floodplain) o Issued by the KY Division of Water

• Local Floodplain Permit o Issued by the County/Municipality

• Local Storm Water Construction o Issued by the County/Municipality

A) Field Review Walk-Thru:

The DAML will conduct a project review between the Project Engineer, Construction Branch

Personnel, Project Design Technician, and Field Office Staff, to review the construction plans and identify any changes needed prior to letting the project for bidding. The group will evaluate the locations and types of site specific BMP and any other erosion prevention and sediment control measures chosen for incorporation into the final design plans.

B) Site Visit Meeting

DAML will present the project specific BMP and permit requirements/conditions to the potential contractors during the site visit meeting.

C) Pre-Construction Conference

Prior to the actual beginning of the project, DAML will hold a pre-construction conference between representatives of the DAML, the Contractor, including any Subcontractors, as well as other interested agencies and parties. Items discussed will include the time and sequence for construction, planned methods of operation, payment, and other relevant questions including any permit requirements and the erosion and sediment control plan.

D) Construction Access

This is the first land-disturbing activity. Construction entrances shall be a minimum of twenty

(20) feet wide by fifty (50) feet long, measured from the shoulder of the public road, and consist of No. 2 aggregate over a heavy weight non-woven filter fabric base. As soon as construction begins, stabilize bare areas with gravel and temporary mulch and/or vegetation.

E) Clearing and Grubbing

Use the following techniques for clearing and grubbing activities:

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1) Leave areas undisturbed when possible.

2) Construct silt basins to provide silt volume for large areas.

3) Construct Silt Trap(s) Type A for small areas.

4) Construct Type B silt traps for areas with rapid runoff and sediment-laden runoff.

5) All silt traps should have a 3:1 flow length to width ratio. Add spreader bars, baffles, or turbidity curtains to maintain the flow path ratio when site conditions require traps sizes smaller than the standard detail dimensions.

6) Install geotextile bags and/or rock checks in front of existing drop inlets.

7) Construct diversion ditches to catch sheet runoff and carry it to basins or traps or to divert it around areas to be disturbed.

8) Maintain brush and/or other barriers to slow and/or divert runoff.

9) Construct silt fences/hay bales to catch sheet runoff on short slopes. For longer slopes, multiple rows of silt fence/hay bales may be considered.

10) Apply temporarily mulch to area not actively being disturbed or for any area left undisturbed for fourteen (14) days.

11) Employ non-standard or innovative methods.

F) Stream Crossings / Work Along Streams

1) Temporary low-water stream crossings follow the guidelines included in the DAML

Technical Specifications and those established by the KY Division of Water Floodplain

Management Section. Removal of a temporary crossing may be required to accommodate large storm events.

2) Do not completely block stream flow (even temporary). Instead, utilize some form of pass thru mechanism during all AML projects.

3) Work within a stream channel shall not cause flooding of properties upstream, downstream or within the project area or cause downstream water quality degradation. Minimize equipment contact time with the stream water by diverting water around equipment working in or along streams.

4) No flowing water will interact with any uncured concrete placed in the stream channel.

5) Divert all stream water around the work areas in accordance to methods listed in the DAML

Stream Protection & Relocation technical specification, AML Standard Details Section 60, and as by the appropriate permit guidelines.

6) Temporary out of channel stream diversion must use one of the three approved methods:

pipe diversion, sandbag/stone channel diversion, and/or fabric-based channel diversion.

Do not construct any temporarily diverted channel on bare, erodible soil. No temporary diversion shall be permanent without a 401, 404, and other appropriate permits.

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G) Deep Mine and Surface Water Impoundments

The DAML Resident Inspector will test the mine water from deep mines and surface impoundments on the project area to determine the pH and total iron content. Treat the water until it meets the DAML Water-Treatment and Disposal Technical Specification or an existing TMDL, whichever is stricter, before release through a silt control structure(s).

Monitoring & Recording

The DAML Inspector will maintain a log of the pH and total iron content results prior to releasing and during each release day. Perform a minimum of two (2) tests downstream each day to ensure the maintenance of water quality during release and is not degrading the receiving stream.

Types of structures/facilities include:

1) Silt Traps Type A (20’L x 5’W x 2’D min dugout)

2) Silt Traps Type B (20’L x 5’W x 2’D min dugout with rock berm)

3) Silt Check - Rock checks with filter fabric core lining installed in channels and in front of pipes

4) Temporary silt control fence with Class II filter berm

5) Sediment collection bags

H) Cut and Fill and Placement of Drainage Structures

Areas at final grade will be seeded and mulched within five (5) days. Soil stock piles and areas that are not at final grade but where construction will cease for a period of fourteen (14) days or longer, shall receive temporary mulch no later than fourteen (14) days from the last construction activity in that area.

Types of structures/facilities include:

1) Silt Traps Type B (20’L x 5’W x 2’D min dugout with rock berm)

2) Silt Checks - Bags in front of pipes after they are placed

3) Channel lining

4) Erosion control blanket

5) Temporary mulch and/or seeding for areas where construction activities will be ceased for

14 days or more

6) Non-standard or innovative methods

I) Temporary Shutdown

Items to be completed prior to shutdown include:

1) Clean out behind, repair or replace silt fence and/or hay bales

2) Clean out all silt traps

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3) Apply temporary mulch and track into the soil

4) Sow cover crop (weather permitting)

J) Finish Work

1) Establish permanent seeding and protection

2) Remove non-permanent silt checks from ditches and drains if protected with other BMPs sufficient to control erosion and vegetation is established.

3) Remove non-permanent silt traps and basins.

4) Remove geotextile silt fence.

5) Planting trees and/or shrubs where they are included in the project.

6) Clean out behind, repair, and/or replace bale silt barriers

7) Clean out all permanent silt traps and basins

K) Post-Construction

The Contractor shall assume responsibility for all workmanship and materials for a period of one year from the date of final payment, as directed by the Contract Documents. Any work found to be defective due to failure to comply with the provisions and intent of the Contract Documents shall be corrected at the Contractor's expense. Problems determined not to be created by the landowner or due to the Contractor will be addressed by the DAML for a period of up to three years, pending available funding.

OTHER CONTROL MEASURES

L) Solid Materials

No solid materials, including rock and building materials, shall be discharged into waters of the

U.S. except as authorized by the Clean Water Act (CWA) Section 401 and Section 404 permits.

M) Waste Materials

Collect and store waste materials that may leach pollutants (paint and paint containers, caulk tubes, oil/grease containers, liquids of any kind, soluble materials, etc.) in appropriate covered waste containers. Remove waste containers from the project site frequently as to not allow wastes to become a source of pollution. Instruct all personnel regarding the correct procedure for waste disposal and dispose of wastes in accordance with appropriate regulations.

N) Hazardous Waste

Manage and dispose of hazardous waste materials in the manner specified by local or state regulation. Notify the Resident Inspector if there are any hazardous wastes generated, and provide a plan for the management and disposal of such materials. Instruct site personnel with regard to proper storage and handling of hazardous wastes when required and use the practices to reduce the risks associated with all hazardous materials. Keep products in original containers

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unless they are not re-sealable with the original labels and material safety data sheets (MSDS) will be reviewed and retained.

O) Spill Prevention

Use good housekeeping and material management practices to reduce the risk of spills or other exposure of materials and substances to the weather and/or runoff. Manufacturers' recommended methods for spill cleanup will be maintained on site and readily available upon request. Make personnel aware of procedures and the location of the information and cleanup supplies.

Equipment and materials will include as appropriate, brooms, dust pans, mops, rags, gloves, oil absorbents, sand, sawdust, and plastic and metal trash containers.

Clean up all spills immediately after discovery. Keep the spill area well ventilated. Personnel will wear appropriate protective clothing to prevent injury from contract with a hazardous substance. Report spills of toxic or hazardous material to the appropriate state/local agency as required by KRS 224 and applicable federal law. Wastes from spill cleanup will be disposed of in accordance with appropriate regulations. The spill prevention plan will be adjusted, as needed, to prevent spills from reoccurring and improve spill response and cleanup.

P) Petroleum Products

Monitor vehicles and equipment fueled and maintained on site for leaks, and receive regular preventative maintenance to reduce the chance of leakage. Protect petroleum products onsite will be stored in tightly sealed, clearly labeled containers from exposure to weather. The

CONTRACTOR shall not have a total of over 1,300 gallons of petroleum products on site at any given time.

Q) Fertilizers

Store fertilizers in a covered area away from water. Transfer the contents of any partially used bag of fertilizer to a sealable plastic bin to avoid spills. Once applied, work into the soil and apply mulch to limit exposure to storm water.

R) Concrete Truck Washout

Concrete truck mixers and chutes will not be washed on pavement, near storm drain inlets, or within seventy (75) feet of any ditch, stream, wetland, lake, or sinkhole. Where possible, discharge excess concrete and wash water to areas prepared for pouring new concrete, flat areas to be paved that are away from ditches or drainage system features, or other locations that will not drain off site. Where this approach is not possible, excavate a shallow earthen washbasin away from ditches to receive the wash water.

INSPECTIONS

Use inspection and maintenance practices to maintain erosion and sediment controls:

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1) The Contractor and DAML Resident Inspector will inspect all erosion prevention and sediment control measures at least once each week and following any rain of 0.1 inch or more.

2) The DAML Resident Inspector will record the silt control inspections by in their daily report.

3) Silt fences/hay bales will be inspected for bypassing, overtopping, undercutting, depth of sediment, tears, and to ensure attachment to secure posts.

4) Inspect silt traps and basins for depth of sediment, and built-up sediment and clean out when it reaches 50% of the design capacity and at the end of the job.

5) Inspect diversion dikes and berms and promptly repaired any breaches. Repair areas that are eroding or scouring and re-seeded / mulched as needed.

6) Inspect temporary and permanent seeding and mulching for bare spots, washouts, and healthy growth. Repair bare or eroded areas as needed.

7) Inspect all material storage and equipment servicing areas that involve the management of bulk liquids fuels and bulk solids weekly for conditions that represent a release or possible release of pollutants to the environment.

MAINTENANCE

Maintain all measures in good working order; initiate corrective actions within twenty-four (24) hours of being reported and completed with five (5) days, address critical failures immediately unless site conditions are too dangerous. Remove Built-up sediment from behind the silt fence/hay bales before it has reached halfway up the height of the fence.

ENFORCEMENT

At all times, representatives from DAML and enforcement agencies will have access to the project site. The ENGINEER reserves right to stop work until erosion prevention and sediment control problems are addressed to his/her satisfaction.