Amendment 0001 W912P622B0003 Chicago Harbor Breakwater Repairs and North Pier Resurfacing.pdf

W81G6620763167

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

REFERENCE: INVITATION FOR BIDS NO. W912P622B0003, "CHICAGO HARBOR BREAKWATER REPAIRS AND NORTH PIER RESURACING IN

COOK COUNTY, CHICAGO HARBOR BREAKWATER AND NORTH PIER, ILLINOIS"

A. The Bid Opening Date and Time is NOT EXTENDED by this Amendment. Therefore, Bidders are required to submit their Bid packages prior to 1:00 p.m. (Central Time) on August 16, 2022. For further details regarding bid submission, please refer to Solicitation Section 00 22 13 – “Supplementary Instructions to Bidders.”

- THIS AMENDMENT CONTINUES ON THE NEXT PAGES -

1. CONTRACT ID CODE PAGE OF PAGES

1 20

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 04-Aug-2022

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W912P622B0003

X 9B. DATED (SEE ITEM 11)

15-Jul-2022

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

04-Aug-2022

CODE

U.S. ARMY ENGINEER DISTRICT, CHICAGO

231 SOUTH LASALLE STREET SUITE 1500

CHICAGO IL 60604-1437

W912P6 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912P622B0003

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

The following items are applicable to this modification:

SUMMARY OF CHANGES

B. AMENDED SPECIFICATION SECTIONS: The following Specification Sections have been revised. The revised sections are enclosed hereunder and replace the previously furnished sections.

SECTION NUMBER AND

TITLE

PARAGRAPH AND DESCRIPTION OF CHANGE

Front ends, CLIN Quantity for 0001AB reduced from 400 tons to 260 tons 01 11 00 Summary of Work 1.1.1 Project description: Added seeding 01 20 00 Price and Payment Procedures

1.3.1 IDOT CA-6: Adjusted language

1.3.7 Pavement: Added reinforcement

1.3.10 Topsoil: Added stripping

1.3.11 Seeding to remove wetland description: Edited wording

31 00 00 Earthwork 3.2 Stripping of Topsoil: Added a new paragraph for stripping of topsoil 32 92 19 Seeding 2.2 Topsoil: Removed wording

3.2 Placing Topsoil: Updated the title and added language to refer to the

Earthwork spec for stripping 1.7, 3.4, 3.5: Changed the casing of the titles

C. AMENDED DRAWING SHEETS: The following Drawing Sheets have been revised and are hereunder enclosed replacing the previously furnished respective sheets.

SHEET REF. NO. TITLE AND DESCRIPTION

C-103 Site Plan North Pier - Added location of retaining wall

- Updated pavement hatching to show the side slop on the lakeside of the pier

- Added general notes C-104 Pavement TYP Reinforcement – Cross Sections Details

- Updated pavement thickness to 10’’

- Updated clearance distance to 2’’

C-302 North Pier Roadway TYP Section

- Removed proposed 6’’ of compacted CA-6 Stone Base

- Added removal of existing CA-6 Stone

- Added general notes

C-303/C-304 North Pier Cross Sections

- Added additional callouts to incorporate changes described above

- Cross Section at STA 5+75 was removed

C-502 North Pier Civil Details

- Proposed CA-6 Stone was removed

- Thickness of the pavement was changed to 10’’

D. REVISED BID SCHEDULE: The government is providing a revised bid schedule (Section 00 10 00 – Solicitation Contract Form), which decreases the quantity at Item No. 0001AB – IDOT CA-6 by 140.00 from

400.00 to 260.00. As a result of this revision, Bidders shall remove and replace the previously issued respective Section with the Revised Section 00 10 00 enclosed hereunder. Bidders shall provide their prices on the Revised Bidding Schedule.

E. WAGE DETERMINATION: This Amendment encloses the most recent Wage Determination, General Decision Number: WD IL20220009 07/29/2022, which is attach hereto.

F. POINT OF CONTACT: The Point of Contact (POC) for this Amendment is Ericka Hillard at (312) 846-5378;

email: ericka.d.hillard@usace.army.mil.

END OF AMENDMENT NO. 0001

(The aforementioned Specification Sections, Drawing Sheets, Bid Schedule, and Wage Determination follows)

REVISED (VIA AMENDMENT NO. 0001)

Section 00 10 00 – Solicitation

CONTRACT BID FORM BID SCHEDULE

THE BELOW BID FORM SERVES AS THE BID SCHEDULE AND SHALL BE USED BY THE BIDDER TO

ENTER ITS BID PRICING

ITEM NO SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

BASE

FFP

This is a Parent Line Item identifying the work that relates directly to its Sub-Line Items 0001AA through 0001AS; the Sub-Line Items themselves identify the quantities required to perform said work. Therefore, the Contractor shall provide the pricing separately at Sub-Items 0001AA through 0001AS.

PURCHASE REQUEST NUMBER: W81G6620763167

NET AMT

0001AA 1 Job

MOBILIZATION/DEMOBILIZATION

FFP

(FOR THE WORK OF 0001AB THROUGH 0001AS)

Under this CLIN, the contractor is required to perform mobilization and demobilization activities. Reference: SOLICITATION SECTION 00 70 00, SEE DFARS Clause 252.236-7004 Payment for Mobilization and Demobilization.

PSC CD: Y1PZ

0001AB 260 Net Ton

(2,000

LB).

IDOT CA-6

FFP

0001AC 2,142 Linear

Foot

GROUT HOLE DRILLING

0001AD 2,856 Cubic

Yard

GROUT PLACEMENT

0001AE 7 Each

GROUT CONTAINMENT MEASURES

0001AF 1,330 Net Ton

IDOT RR-4

0001AG 10 Cubic

RELIEF HOLE FILLING

0001AH 1 Job

CONCRETE SLAB DEMOLITION AND REMOVAL

0001AJ 1 Job

STRUCTURAL SLAB REPAIR

0001AK 1 Job

NORTH BASIN RETAINING WALL

0001AL 1 Job

EAST END RETAINING WALL

0001AM 1 Job

EAST END SLOPE STABILIZATION

0001AN 1,600 Square

PAVEMENT

0001AP 700 Linear

RAILING

0001AQ 3 Each

VEHICLE BARRIER

0001AR 370 Cubic

TOPSOIL

0001AS .25 Acre

SEEDING

OPTION OPTION 1

FFP

This is a Parent Line Item identifying the work that relates directly to its Sub-Line Items 0002AA through 0002AE; the Sub-Line Items themselves identify the quantities required to perform said work. Therefore, the Contractor shall provide the pricing separately at Sub-Items 0002AA through 0002AE.

0002AA 306 Linear

OPTION GROUT HOLE DRILLING (OPTION 1)

0002AB 408 Cubic

OPTION GROUT PLACEMENT (OPTION 1)

0002AC 1 Each

OPTION GROUT CONTAINMENT MEASURES (OPTION 1)

0002AD 190 Net Ton

OPTION IDOT RR-4 (OPTION 1)

0002AE 8 Cubic

OPTION RELIEF HOLE FILLING (OPTION 1)

OPTION OPTION 2

FFP

This is a Parent Line Item identifying the work that relates directly to its Sub-Line Items 0003AA through 0003AE; the Sub-Line Items themselves identify the the pricing separately at Sub-Items 0003AA through 0003AE.

0003AA 306 Linear

OPTION GROUT HOLE DRILLING (OPTION 2)

0003AB 408 Cubic

OPTION GROUT PLACEMENT (OPTION 2)

0003AC 1 Each

OPTION GROUT CONTAINMENT MEASURES (OPTION 2)

0003AD 190 Net Ton

OPTION IDOT RR-4 (OPTION 2)

0003AE 8 Cubic

OPTION RELIEF HOLE FILLING (OPTION 2)

OPTION OPTION 3

FFP

This is a Parent Line Item identifying the work that relates directly to its Sub-Line Items 0004AA through 0004AE; the Sub-Line Items themselves identify the the pricing separately at Sub-Items 0004AA through 0004AE.

0004AA 306 Linear

OPTION GROUT HOLE DRILLING (OPTION 3)

0004AB 408 Cubic

OPTION GROUT PLACEMENT (OPTION 3)

0004AC 1 Each

OPTION GROUT CONTAINMENT MEASURES (OPTION 3)

0004AD 190 Net Ton

OPTION IDOT RR-4 (OPTION 3)

0004AE 8 Cubic

OPTION RELIEF HOLE FILLING (OPTION 3)

OPTION OPTION 4

FFP

This is a Parent Line Item identifying the work that relates directly to its Sub-Line Items 0005AA through 0005AE; the Sub-Line Items themselves identify the the pricing separately at Sub-Items 0005AA through 0005AE.

0005AA 306 Linear

OPTION GROUT HOLE DRILLING (OPTION 4)

0005AB 408 Cubic

OPTION GROUT PLACEMENT (OPTION 4)

0005AC 1 Each

OPTION GROUT CONTAINMENT MEASURES (OPTION 4)

0005AD 190 Net Ton

OPTION IDOT RR-4 (OPTION 4)

0005AE 6 Cubic

OPTION RELIEF HOLE FILLING (OPTION 4)

OPTION OPTION 5

FFP

This is a Parent Line Item identifying the work that relates directly to its Sub-Line Items 0006AA through 0006AD; the Sub-Line Items themselves identify the the pricing separately at Sub-Items 0006AA through 0006AD.

0006AA 306 Linear

OPTION GROUT HOLE DRILLING (OPTION 5)

0006AB 408 Cubic

OPTION GROUT PLACEMENT (OPTION 5)

0006AC 1 Each

OPTION GROUT CONTAINMENT MEASURES (OPTION 5)

0006AD 190 Net Ton

OPTION IDOT RR-4 (OPTION 5)

BID PRICING

TOTAL AMOUNT FOR BASE BID ITEMS (ITEMS 0001AA THROUGH 0001AS):

TOTAL AMOUNT FOR OPTION 1 BID ITEMS (ITEMS 0002AA THROUGH 0002AE):

TOTAL AMOUNT FOR OPTION 2 BID ITEMS (ITEMS 0003AA THROUGH 0003AE):

TOTAL AMOUNT FOR OPTION 3 BID ITEMS (ITEMS 0004AA THROUGH 0004AE):

TOTAL AMOUNT FOR OPTION 4 BID ITEMS (ITEMS 0005AA THROUGH 0005AE):

TOTAL AMOUNT FOR OPTION 5 BID ITEMS (ITEMS 0006AA THROUGH 0006AD):

OVERALL TOTAL BID PRICE (ITEMS 0001 THROUGH 0006AD (INCLUDES ALL RESPECTIVE

SUBITEMS): $__________________________

END OF REVISED BID SCHEDULE

Chicago Harbor Breakwater Repairs and N. Pier Resurfacing FY22 W912P622B0003

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 11 00

SUMMARY OF WORK

08/ 15, CHG 2: 08/ 21

PART 1 GENERAL

1.1 WORK COVERED BY CONTRACT DOCUMENTS

1.1.1 Project Description

1.1.2 Location

1.2 SEQUENCE OF WORK

PART 2 PRODUCTS

PART 3 EXECUTION

-- End of Section Table of Contents --

SECTION 01 11 00 Page 1

AMD#0001 - 07/29/22

SECTION 01 11 00

SUMMARY OF WORK

08/ 15, CHG 2: 08/ 21

PART 1 GENERAL

1.1 WORK COVERED BY CONTRACT DOCUMENTS

1.1.1 Project Description

The work includes stabilizing the existing breakwater structure and incidental related work. Features will include drilling and grouting a double row grout curtain along the top of the cap, filling relief wells in the cap, and providing grout containment measures. The work also includes concrete resurfacing of North Pier, repair and support of a slab at the North Basin wall, seeding, and stabilizing the far east side of the slope on North Pier with riprap and a retaining wall.

1.1.2 Location

The work is located at the Chicago Harbor Breakwater and Chicago Lock North Pier. The exact location will be shown on the drawings.

1.2 SEQUENCE OF WORK

Before work is started, arrange with the Contracting Officer a sequence of procedure, means of access, and space for storage of materials. This will be submitted as part of the construction work plan.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

Not used.

-- End of Section --

SECTION 01 11 00 Page 2

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 20 00

PRICE AND PAYMENT PROCEDURES

11/ 20, CHG 2: 08/ 21

PART 1 GENERAL

1.1 CONTRACT COST BREAKDOWN

1.2 SINGLE JOB PAYMENT ITEMS

1.2.1 Mobilization/Demobilization (Bid Item 0001AA)

1.2.1.1 Payment

1.2.1.2 Unit of Measure

1.2.2 Concrete Slab Demolition and Removal (Bid Item 0001AH)

1.2.2.1 Payment

1.2.2.2 Unit of Measure

1.2.3 Structural Slab Repair (Bid Item 0001AJ)

1.2.3.1 Payment

1.2.3.2 Unit of Measure

1.2.4 North Basin Retaining Wall (Bid Item 0001AK)

1.2.4.1 Payment

1.2.4.2 Unit of Measure

1.2.5 East End Retaining Wall (Bid Item 0001AL)

1.2.5.1 Payment

1.2.5.2 Unit of Measure

1.2.6 East End Slope Stabilization (Bid Item 0001AM)

1.2.6.1 Payment

1.2.6.2 Unit of Measure

1.3 UNIT PRICE PAYMENT ITEMS

1.3.1 IDOT CA-6 (Bid Item 0001AB)

1.3.1.1 Payment

1.3.1.2 Measurement

1.3.2 Grout Hole Drilling (Bid Item 0001AC, 0002AA, 0003AA, 0004AA, 0005AA, 0006AA)

1.3.2.1 Payment

1.3.2.2 Measurement

1.3.2.3 Unit of Measure

1.3.3 Grout Placement (Bid Item 0001AD, 0002AB, 0003AB, 0004AB, 0005AB, 0006AB)

1.3.3.1 Payment

1.3.3.2 Measurement

1.3.3.3 Unit of Measure

1.3.4 Grout Containment Measures (Bid Item 0001AE, 0002AC, 0003AC, 0004AC, 0005AC, 0006AC)

1.3.4.1 Payment

1.3.4.2 Measurement

1.3.4.3 Unit of Measure

1.3.5 IDOT RR-4 (Bid Item 0001AF, 0002AD, 0003AD, 0004AD, 0005AD, 0006AD)

1.3.5.1 Payment

1.3.5.2 Measurement

1.3.5.3 Unit of Measure

SECTION 01 20 00 Page 1

1.3.6 Relief Hole Filling (Bid Item 0001AG, 0002AE, 0003AE, 0004AE, 0005AE)

1.3.6.1 Payment

1.3.6.2 Measurement

1.3.6.3 Unit of Measure

1.3.7 Pavement (Bid Item 0001AN)

1.3.7.1 Payment

1.3.7.2 Measurement

1.3.8 Railing (Bid Item 0001AP)

1.3.8.1 Payment

1.3.8.2 Measurement

1.3.9 Vehicle Barrier (Bid Item 0001AQ)

1.3.9.1 Payment

1.3.9.2 Measurement

1.3.10 Topsoil (Bid Item 0001AR)

1.3.10.1 Payment

1.3.10.2 Measurement

1.3.10.3 Unit of Measure

1.3.11 Seeding (Bid Item 0001AS)

1.3.11.1 Payment

1.3.11.2 Measurement

1.3.11.3 Unit of Measure

PART 2 PRODUCTS

PART 3 EXECUTION

-- End of Section Table of Contents --

SECTION 01 20 00 Page 2

SECTION 01 20 00

PRICE AND PAYMENT PROCEDURES

11/ 20, CHG 2: 08/ 21

PART 1 GENERAL

1.1 CONTRACT COST BREAKDOWN

The Contractor must furnish within 30 days after the date of Notice to Proceed, and prior to the submission of its first partial payment estimate, a breakdown of its single job pay item or items which will be reviewed by the Contracting Officer as to propriety of distribution of the total cost to the various accounts. Any unbalanced items as between early and late payment items or other discrepancies will be revised by the Contracting Officer to agree with a reasonable cost of the work included in the various items. This Contract cost breakdown will then be utilized as the basis for progress payments to the Contractor.

1.2 SINGLE JOB PAYMENT ITEMS

Payment items for the work of this Contract for which Contract job payments will be made are listed in the SCHEDULE and described below. All costs for items of work, which are not specifically mentioned to be included in a particular job or unit price payment item, are included in the listed job item most closely associated with the work involved. The job price and payment made for each item listed constitutes full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for which separate payment is not otherwise provided.

1.2.1 Mobilization/Demobilization (Bid Item 0001AA)

1.2.1.1 Payment

Payment will be made for costs associated with mobilization and demobilization, as defined in Special Contract DFARS 252.236-7004 (PAYMENT FOR MOBILIZATION AND DEMOBILIZATION). This includes costs for all labor, equipment and materials for the contractor's temporary field office, restoration, project and safety signs, and other incidental items as described in Section 01 52 02 TEMPORARY CONSTRUCTION FACILITIES and Section 01 58 00 PROJECT IDENTIFICATION. This also includes removal of the silt fence along the new roadway and returning the staging area and parking lot to original conditions. The percentage of payment for this CLIN shall be split for mobilization and demobilization into a 60%/40% split respectively.

1.2.1.2 Unit of Measure

Unit of measure: job.

SECTION 01 20 00 Page 3

1.2.2 Concrete Slab Demolition and Removal (Bid Item 0001AH)

1.2.2.1 Payment

Payment will be made for costs associated with operations necessary for upland removal of concrete, miscellaneous metal, debris, and fill from the existing concrete slab as specified in Section 02 41 00 DEMOLITION.

Payment includes necessary construction debris containment measures, work platforms and all incidental work as required by the contractor.

1.2.2.2 Unit of Measure

Unit of measure: job.

1.2.3 Structural Slab Repair (Bid Item 0001AJ)

1.2.3.1 Payment

Payment will be made for costs associated with the slab work including materials, labor, equipment, and incidentals to complete the work.

1.2.3.2 Unit of Measure

Unit of measure: job.

1.2.4 North Basin Retaining Wall (Bid Item 0001AK)

1.2.4.1 Payment

Payment will be made for costs associated with constructing the retaining wall including backfilling, materials, labor, equipment, and incidentals to complete the work.

1.2.4.2 Unit of Measure

Unit of measure: job.

1.2.5 East End Retaining Wall (Bid Item 0001AL)

1.2.5.1 Payment

Payment will be made for costs associated with constructing the east end wall including demolition of the concrete pad, excavation, backfilling, materials, labor, equipment, and incidentals to complete the work.

1.2.5.2 Unit of Measure

Unit of measure: job.

1.2.6 East End Slope Stabilization (Bid Item 0001AM)

1.2.6.1 Payment

Payment will be made for costs associated with stabilizing the east end slope with riprap including materials, labor, equipment, and incidentals to complete the work.

SECTION 01 20 00 Page 4

1.2.6.2 Unit of Measure

Unit of measure: job.

1.3 UNIT PRICE PAYMENT ITEMS

Payment items for the work of this Contract on which the Contract unit price payments will be made are listed in the SCHEDULE and described below. The unit price and payment made for each item listed constitutes full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for each of the unit price items.

1.3.1 IDOT CA-6 (Bid Item 0001AB)

1.3.1.1 Payment

Payment will be made for all costs associated with installing excavating part of the existing CA-6 base as shown on the drawings the base under the pavement and backfill ing behind the retaining wall s or in the parking lot .

This will include labor, material, equipment, compaction, and other incidentals to complete the work.

1.3.1.2 Measurement

The payment will be based upon certified delivery tickets, as approved by the Contracting Officer. Deductions will be made for any material wasted, unused, rejected, or used for convenience of the Contractor.

Unit of Measure

Unit of measure: ton .

1.3.2 Grout Hole Drilling (Bid Item 0001AC, 0002AA, 0003AA, 0004AA, 0005AA, 0006AA)

1.3.2.1 Payment

Payment will be made for costs associated with plant, equipment, labor, and supervision required to perform grout hole drilling exclusive of voids on the breakwater in accordance with the accepted project schedule, work plans, specifications, plans, and clauses. This includes materials, labor, and equipment for installation and removal of casing and restoring concrete surfaces.

1.3.2.2 Measurement

The total quantity for which payment will be made will be per linear foot drilled.

1.3.2.3 Unit of Measure

Unit of measure: linear foot .

SECTION 01 20 00 Page 5

1.3.3 Grout Placement (Bid Item 0001AD, 0002AB, 0003AB, 0004AB, 0005AB, 0006AB)

1.3.3.1 Payment

Payment will be made for costs associated with placement of grout including plant, equipment, all component materials and admixtures regardless of mix proportions, mixing, temporary grout casing, testing, monitoring, digital recording, flow and pressure measuring equipment, record keeping, labor, and supervision required to place the grout mix in accordance with the accepted project schedule, work plans, specifications, plans, and clauses.

1.3.3.2 Measurement

Measure grout for payment by the cubic yard by measuring the volume of grout.

1.3.3.3 Unit of Measure

Unit of measure: cubic yard .

1.3.4 Grout Containment Measures (Bid Item 0001AE, 0002AC, 0003AC, 0004AC, 0005AC, 0006AC)

1.3.4.1 Payment

Payment will be made for all costs associated with measures selected by the Contractor to contain any grout from escaping into the lake. This will include labor, equipment, and incidentals to complete the work.

1.3.4.2 Measurement

The total quantity for which payment will be made will be per 100 linear foot of the structure being contained.

1.3.4.3 Unit of Measure

Unit of measure: EA .

1.3.5 IDOT RR-4 (Bid Item 0001AF, 0002AD, 0003AD, 0004AD, 0005AD, 0006AD)

1.3.5.1 Payment

Payment will be made for all costs associated with stone placement on the lake side of the breakwater to contain grout from escaping into the lake.

This will include labor, material, equipment, and incidentals to complete the work.

1.3.5.2 Measurement

The payment will be based upon certified delivery tickets, as approved by the Contracting Officer. Deductions will be made for any material wasted, unused, rejected, or used for convenience of the Contractor.

1.3.5.3 Unit of Measure

Unit of measure: ton .

SECTION 01 20 00 Page 6

1.3.6 Relief Hole Filling (Bid Item 0001AG, 0002AE, 0003AE, 0004AE, 0005AE)

1.3.6.1 Payment

Payment will be made for costs associated with plant, equipment, labor, and supervision required to perform relief hole backfilling in accordance with the accepted project schedule, work plans, specifications, plans, and clauses.

1.3.6.2 Measurement

The total quantity for which payment will be made will be at the contract cost of placing grout.

1.3.6.3 Unit of Measure

Unit of measure: cubic yard .

1.3.7 Pavement (Bid Item 0001AN)

1.3.7.1 Payment

Payment will be made for all costs associated with installing pavement.

This will include labor, material, reinforcement, equipment, compaction, and other incidentals to complete the work.

1.3.7.2 Measurement

The total quantity for which payment will be made will be per square yard.

Unit of Measure

Unit of measure: SY.

1.3.8 Railing (Bid Item 0001AP)

1.3.8.1 Payment

Payment will be made for all costs associated with installing handrails.

This will include labor, material, equipment, and incidentals to complete the work.

1.3.8.2 Measurement

The total quantity for which payment will be made will be per linear foot.

Unit of Measure

Unit of measure: LF.

1.3.9 Vehicle Barrier (Bid Item 0001AQ)

1.3.9.1 Payment

Payment will be made for all costs associated with installing vehicle barriers. This will include labor, material, equipment, and incidentals to complete the work.

SECTION 01 20 00 Page 7

1.3.9.2 Measurement

The total quantity for which payment will be made will be per each.

Unit of Measure

Unit of measure: EA.

1.3.10 Topsoil (Bid Item 0001AR)

1.3.10.1 Payment

Compensation for material, furnishing labor and equipment for stripping and placing topsoil as shown on the drawings and specified in Section 32 92 19 SEEDING. Cost will be paid for at the applicable contract unit prices per cubic yard for topsoil as stated in the Bid Schedule for this Item. No separate payment will be made for surveys, material excavation, erosion control silt fence, stockpiling, and reworking of material for the stripping and placement of the topsoil.

1.3.10.2 Measurement

The total quantity of topsoil for which payment will be made will be the theoretical quantity between the ground surface as determined by a survey and the grade and slope of the theoretical cross sections indicated. No allowance will be made for overdepth excavation or for the removal of any material outside the required slope lines unless authorized.

1.3.10.3 Unit of Measure

Unit of measure: Cubic Yard (CY)

1.3.11 Seeding (Bid Item 0001AS)

1.3.11.1 Payment

Payment will be made at the contract unit price for seeding the landscaping fill using wetland the seed list and quantities attached to the end of seeding mix as described in Section 32 92 19 SEEDING. Payment constitutes full compensation for all labor, materials, equipment, and tools. No separate payment will be made for watering, establishment, and predator control and shall be considered incidental to seeding.

1.3.11.2 Measurement

Seeding landscaping fill will be measured per acre of seeded area.

1.3.11.3 Unit of Measure

Unit of Measure: Acre (AC)

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

Not Used

SECTION 01 20 00 Page 8

-- End of Section --

SECTION 01 20 00 Page 9

DIVISION 31 - EARTHWORK

SECTION 31 00 00

EARTHWORK

07/13

PART 1 GENERAL

1.1 CRITERIA FOR BIDDING

1.2 REFERENCES

1.3 DEFINITIONS

1.3.1 Satisfactory Materials

1.3.2 Unsatisfactory Materials

1.3.3 Degree of Compaction

1.4 SYSTEM DESCRIPTION

1.4.1 Classification of Excavation

1.5 SUBMITTALS

1.6 EARTHWORK CONSTRUCTION PLAN

PART 2 PRODUCTS

PART 3 EXECUTION

3.1 GENERAL EXCAVATION

3.1.1 Ditches, Gutters, and Channel Changes

3.1.2 Drainage

3.1.3 Dewatering

3.1.4 Underground Utilities

3.2 STRIPPING OF TOPSOIL

3.3 OPENING AND DRAINAGE OF EXCAVATION

3.4 GRADING AREAS

3.5 GROUND SURFACE PREPARATION

3.5.1 General Requirements

3.5.2 Frozen Material

3.6 UTILIZATION OF EXCAVATED MATERIALS

3.7 SPECIAL REQUIREMENTS

3.7.1 Stone Construction

3.7.1.1 Stone Placement

3.7.2 Equipment and Machinery

3.8 FILL PLACEMENT

3.8.1 Fill Placement

3.9 FINISHING

3.9.1 Subgrade and Embankments

3.9.2 Grading Around Structures

3.10 TESTING

3.10.1 Moisture Contents

3.10.2 Optimum Moisture and Laboratory Maximum Density

3.10.3 In-Place Densities

3.11 BACKFILL FOR RETAINING STRUCTURES

3.11.1 Compaction for Retaining Structures

3.11.2 In-Place Densities for Retaining Structure Backfill

SECTION 31 00 00 Page 1

3.12 DISPOSITION OF SURPLUS MATERIAL

3.13 EROSION CONTROL

-- End of Section Table of Contents --

SECTION 31 00 00 Page 2

SECTION 31 00 00

EARTHWORK

07/13

PART 1 GENERAL

1.1 CRITERIA FOR BIDDING

Base bids on the following criteria:

a. Surface elevations are as indicated.

b. Ground water elevations indicated by the boring log at the time subsurface investigations may be encountered.

c. Material character is indicated by the subsurface investigation report.

1.2 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

ASTM INTERNATIONAL (ASTM)

ASTM D2488 (2011) Standard Practice for Description and Identification of Soils (Visual-Manual Procedure)

ASTM D6938 (2010) Standard Test Method for In-Place Density and Water Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth)

ASTM D698 (2012) Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400 ft-lbf/cu. ft. (600 kN-m/cu. m.))

1.3 DEFINITIONS

1.3.1 Satisfactory Materials

Satisfactory materials comprise any materials classified by ASTM D2488 as

GW, GP, GM, GP-GM, GW-GM, GC, GP-GC, GM-GC, SW, SP, SM, SW-SM, SC, SW-SC,

SP-SM, SP-SC, CL, ML, CL-ML, CH, MH. Satisfactory materials for grading comprise stones less than eight inches , except for fill material for pavements which comprise stones less than three inches in any dimension.

1.3.2 Unsatisfactory Materials

Materials which do not comply with the requirements for satisfactory materials are unsatisfactory. Unsatisfactory materials also include man-made fills; trash; refuse; backfills from previous construction; and

SECTION 31 00 00 Page 3 material classified as satisfactory which contains root and other organic matter or frozen material. Notify the Contracting Officer when encountering any contaminated materials.

1.3.3 Degree of Compaction

Degree of compaction required, except as noted in the second sentence, is expressed as a percentage of the maximum density obtained by the test procedure presented in ASTM D698 abbreviated as a percent of laboratory maximum density. Soils used for planting purposes must not be compacted and are considered exempt.

1.4 SYSTEM DESCRIPTION

1.4.1 Classification of Excavation

No consideration will be given to the nature of the materials, and all excavation will be designated as unclassified excavation.

1.5 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES.

SD-01 Preconstruction Submittals

Earthwork Construction Plan ; G, CN

SD-06 Test Reports

Testing

Utilization of Excavated Materials

SD-07 Certificates

Testing

1.6 EARTHWORK CONSTRUCTION PLAN

Submit Earthwork Construction Plan 15 calendar days prior to start of construction. Plan must include, but not limited to, construction equipment, schedule, and means and methods of earthwork.

PART 2 PRODUCTS

PART 3 EXECUTION

3.1 GENERAL EXCAVATION

Perform excavation of every type of material encountered within the limits of the project to the lines, grades, and elevations indicated and as specified. Perform the grading in accordance with the typical sections shown and the tolerances specified in paragraph FINISHING. Transport satisfactory excavated materials and place in fill or embankment within the limits of the work. Excavate unsatisfactory materials encountered

SECTION 31 00 00 Page 4 within the limits of the work below grade and replace with satisfactory materials as directed. Include such excavated material and the satisfactory material ordered as replacement in excavation. Dispose of surplus satisfactory excavated material not required for fill or embankment in areas approved for surplus material storage or in acccordance with the plan for non-hazardous solid waste disposal. The requirements for this plan are described in Section 01 57 20.01 03 ENVIRONMENTAL PROTECTION FOR ILLINOIS. Also dispose of unsatisfactory excavated material in accordance with the non-hazardous solid waste disposal plan. During construction, perform excavation and fill in a manner and sequence that will provide proper drainage at all times.

Material excavated along the north pier structure in order to install the tie-rods will be re-used as shown on cross section on the lakeside of the north pier after the construction is finished, as satisfactory fill.

3.1.1 Ditches, Gutters, and Channel Changes

Finish excavation of ditches, gutters, and channel changes by cutting accurately to the cross sections, grades, and elevations shown on drawings. Do not excavate ditches and gutters below grades shown.

Backfill the excessive open ditch or gutter excavation with satisfactory, thoroughly compacted, material or with suitable stone or cobble to grades shown. Dispose excavated material as shown or as directed, except in no case allow material be deposited a maximum four feet from edge of a ditch. Maintain excavations free from detrimental quantities of leaves, brush, sticks, trash, and other debris until final acceptance of the work.

3.1.2 Drainage

Provide for the collection and disposal of surface and subsurface water encountered during construction. Completely drain construction site during periods of construction to keep soil materials sufficiently dry.

Construct storm drainage features (ponds/basins) at the earliest stages of site development, and throughout construction grade the construction area to provide positive surface water runoff away from the construction activity and/or provide temporary ditches, swales, and other drainage features and equipment as required to maintain dry soils. When unsuitable working platforms for equipment operation and unsuitable soil support for subsequent construction features develop, remove unsuitable material and provide new soil material as specified herein. It is the responsibility of the Contractor to assess the soil and ground water conditions presented by the plans and specifications and to employ necessary measures to permit construction to proceed. Drainage must be consistent with the requirements of the Section 401 Water Quality Certification as well as the requirements for surface discharge and the storm water pollution prevention and/or waste water management plans. The Section 401 Water Quality Certification has been or will be included at the end of Section 01 57 20.01 03 ENVIRONMENTAL PROTECTION FOR ILLINOIS. The requirements for the storm water pollution prevention and waste water management plans are also included in that same section of the specifications.

3.1.3 Dewatering

Control groundwater flowing toward or into excavations to prevent sloughing of excavation slopes and walls, boils, uplift and heave in the excavation and to eliminate interference with orderly progress of construction. Do not permit French drains, sumps, ditches or trenches within three feet of the foundation of any structure, except with specific

SECTION 31 00 00 Page 5 written approval, and after specific contractual provisions for restoration of the foundation area have been made. Take control measures by the time the excavation reaches the water level in order to maintain the integrity of the in situ material.

3.1.4 Underground Utilities

The Contractor is responsible for movement of construction machinery and equipment over pipes and utilities during construction. Report damage to utility lines or subsurface construction immediately to the Contracting Officer.

3.2 STRIPPING OF TOPSOIL

Where indicated or directed, strip the existing topsoil to a depth of 12 inches . Remove the topsoil from the site.

3.3 OPENING AND DRAINAGE OF EXCAVATION

Notify the Contracting Officer sufficiently in advance of the opening of any excavation pits to permit elevations and measurements of the undisturbed ground surface to be taken. Except as otherwise permitted, excavate areas providing adequate drainage. Transport overburden and other spoil material to designated spoil areas or otherwise dispose of as directed. Ensure that excavation of any area, or dumping of spoil material results in minimum detrimental effects on natural environmental conditions.

3.4 GRADING AREAS

Where indicated, divide work into grading areas within which satisfactory excavated material will be placed in embankments, fills, and required backfills. Do not haul satisfactory material excavated in one grading area to another grading area except when so directed in writing. Place and grade stockpiles of satisfactory as specified. Keep stockpiles in a neat and well drained condition, giving due consideration to drainage at all times. Clear, grub, and seal by rubber-tired equipment, the ground surface at stockpile locations; separately stockpile excavated satisfactory and unsatisfactory materials. Protect stockpiles of satisfactory materials from contamination which may destroy the quality and fitness of the stockpiled material. If the Contractor fails to protect the stockpiles, and any material becomes unsatisfactory, remove and replace such material with satisfactory material from approved sources.

3.5 GROUND SURFACE PREPARATION

3.5.1 General Requirements

Remove and replace unsatisfactory material with satisfactory materials, as directed by the Contracting Officer, in surfaces to receive fill or in excavated areas. Scarify the surface to a depth of six inches before the fill is started. Plow, step, bench, or break up sloped surfaces steeper than one vertical to four horizontal so that the fill material will bond with the existing material. When subgrades are less than the specified density, break up the ground surface to a minimum depth of six inches , pulverizing, and compacting to the specified density. When the subgrade is part fill and part excavation or natural ground, scarify the excavated or natural ground portion to a depth of 12 inches and compact it as specified for the adjacent fill. Soils used for planting purposes must

SECTION 31 00 00 Page 6 not be compacted.

3.5.2 Frozen Material

Do not place material on surfaces that are muddy, frozen, or contain frost. Finish compaction by sheepsfoot rollers, pneumatic-tired rollers, steel-wheeled rollers, or other approved equipment well suited to the soil being compacted.

3.6 UTILIZATION OF EXCAVATED MATERIALS

Dispose unsatisfactory materials removing from excavations in accordance with the non-hazardous solid waste disposal plan described in Section 01 57 20.01 03 ENVIRONMENTAL PROTECTION FOR ILLINOIS. Use satisfactory material removed from excavations, insofar as practicable, in the construction of fills, embankments, subgrades, shoulders, bedding (as backfill), and for similar purposes. Submit procedure and location for disposal of unused satisfactory material. Do not waste any satisfactory excavated material without specific written authorization. Dispose of satisfactory material, authorized to be wasted, in designated areas approved for surplus material storage or in accordance with the non-hazardous solid waste disposal plan. The requirements for this plan are described in Section 01 57 20.01 03 ENVIRONMENTAL PROTECTION FOR ILLINOIS. Clear and grub areas on Government-controlled land before disposal of waste material thereon. Stockpile and use coarse rock from excavations for constructing slopes or embankments adjacent to streams, or sides and bottoms of channels and for protecting against erosion. Do not dispose excavated material to obstruct the flow of any stream, endanger a partly finished structure, impair the efficiency or appearance of any structure, or be detrimental to the completed work in any way.

3.7 SPECIAL REQUIREMENTS

Special requirements for both excavation and backfill relating to the specific utilities are as follows:

3.7.1 Stone Construction

Construct natural stone in the areas indicated. Trim and dress indicated areas to conform to cross sections, lines and grades shown within a tolerance of 0.1 foot .

3.7.1.1 Stone Placement

Place stone in conformance with lines and grades indicated. Distribute larger rock fragments, with dimensions extending the full depth of the natural stone throughout the entire mass and eliminate "pockets" of small rock fragments. Rearrange individual pieces by mechanical equipment or by hand as necessary to obtain the distribution of fragment sizes specified above.

3.7.2 Equipment and Machinery

Use newer earthmoving equipment designed to current industry standards to minimize damage to existing trees outside of the grading area and to reduce emissions. Contractor shall be held fiscally responsible for negligent acts/damage to existing trees.

SECTION 31 00 00 Page 7

3.8 FILL PLACEMENT

3.8.1 Fill Placement

Place fill from satisfactory materials free of organic or frozen material and rocks with any dimension greater than three inches . Place the material in successive horizontal layers of loose material not more than eight inches in depth. Spread each layer uniformly on a soil surface that has been moistened or aerated as necessary, and scarified or otherwise broken up so that the fill will bond with the surface on which it is placed. After spreading, plow, disk, or otherwise brake up each layer;

moisten or aerate as necessary; thoroughly mix; and compact to at least 90 percent laboratory maximum density for cohesive materials or 95 percent laboratory maximum density for cohesionless materials. Finish compaction by sheepsfoot rollers, pneumatic-tired rollers, steel-wheeled rollers, vibratory compactors, or other approved equipment.

3.9 FINISHING

Finish the surface of excavations, embankments, and subgrades to a natural-like surface in accordance with the lines, grades, and cross sections or elevations shown. In areas where fill is being placed that will not be covered in stone, the top six inches of soil bust have no compaction for the purpose of promoting native plant growth. Provide the degree of finish for graded areas within four inches of the grades and elevations indicated. Finish grading in a manner that will result in effective drainage. The surface of areas to be planted must be finished to a smoothness suitable for the application of planting materials.

Repair graded, topsoiled, or backfilled areas prior to acceptance of the work, and re-established grades to the required elevations and slopes.

3.9.1 Subgrade and Embankments

During construction, keep embankments and excavations shaped and drained.

Maintain ditches and drains along subgrade to drain effectively at all times. Do not disturb the finished subgrade by traffic or other operation. Protect and maintain the finished subgrade in a satisfactory condition until ballast, subbase, base, or pavement is placed. Do not permit the storage or stockpiling of materials on the finished subgrade.

Do not lay subbase, base course, ballast, or pavement until the subgrade has been checked and approved, and in no case place subbase, base, surfacing, pavement, or ballast on a muddy, spongy, or frozen subgrade.

3.9.2 Grading Around Structures

Construct areas within five feet outside of each building and structure line true-to-grade, shape to drain, and maintain free of trash and debris until final inspection has been completed and the work has been accepted.

3.10 TESTING

Perform testing by a Corps validated commercial testing laboratory or the Contractor's validated testing facility. Submit qualifications of the Corps validated commercial testing laboratory or the Contractor's validated testing facilities. If the Contractor elects to establish testing facilities, do not permit work requiring testing until the Contractor's facilities have been inspected, Corps validated and approved by the Contracting Officer.

SECTION 31 00 00 Page 8

a. Determine field in-place density in accordance with ASTM D6938.

ASTM D6938 results in a wet unit weight of soil in determining the moisture content of the soil when using this method.

b. Perform tests on recompacted areas to determine conformance with specification requirements. Appoint a registered professional civil engineer to certify inspections and test results. These certifications must state that the tests and observations were performed by or under the direct supervision of the engineer and that the results are representative of the materials or conditions being certified by the tests. The following number of tests, if performed at the appropriate time, will be the minimum acceptable for each type operation.

3.10.1 Moisture Contents

In the stockpile, excavation, or borrow areas, perform a minimum of two tests per day per type of material or source of material being placed during stable weather conditions. During unstable weather, perform tests as dictated by local conditions and approved by the Contracting Officer.

3.10.2 Optimum Moisture and Laboratory Maximum Density

Perform tests for each type of material to determine the optimum moisture and laboratory maximum density values. One representative when any change in material occurs which may affect the optimum moisture content or laboratory maximum density.

3.10.3 In-Place Densities

One test per 10,000 square feet of each lift of fill or backfill areas compacted. For lifts less than 10,000 square fee t of fill or backfill perform a minimum of one test.

3.11 BACKFILL FOR RETAINING STRUCTURES

Backfill behind the stone walls using materials and grades as stated on the plans. After spreading to a uniform thickness no greater than eight inches , compact the material with a tamping roller, pneumatic-tired roller, or with a vibratory machine. Handheld equipment must be used within three feet of structures, as measured horizontally and vertically.

3.11.1 Compaction for Retaining Structures

Compact each lift of backfill for retaining structures to 95 percent maximum dry density (Standard Proctor Test) according to ASTM D698. The same manner to test the density for general fil placement must be used for backfill from retaining structures, as well.

3.11.2 In-Place Densities for Retaining Structure Backfill

One test per 200 linear feet of each lift, or one per lift, whichever is greater.

3.12 DISPOSITION OF SURPLUS MATERIAL

Surplus material or other soil material not required or suitable for filling or backfilling, and brush, refuse, stumps, roots, and timber must be disposed of in accordance with the non-hazardous solid waste disposal

SECTION 31 00 00 Page 9 plan. The requirements for this plan are described in Section

01 57 20.01 03 ENVIRONMENTAL PROTECTION FOR ILLINOIS.

3.13 EROSION CONTROL

After construction is completed, the contractor will install silt erosion fence as shown on typical cross section and seed the satisfactory fill according to seeding mix specified in Section 32 92 19 SEEDING to prevent erosion on the sides.

-- End of Section --

SECTION 31 00 00 Page 10

DIVISION 32 - EXTERIOR IMPROVEMENTS

SECTION 32 92 19

SEEDING

07/22

PART 1 GENERAL

1.1 SCOPE

1.2 REFERENCES

1.3 OTHER CITATIONS

1.4 DEFINITIONS

1.5 SUBMITTALS

1.6 DELIVERY, STORAGE, AND HANDLING

1.6.1 Seeds

1.6.1.1 Seed Availability

1.6.2 Herbicide

1.6.2.1 Herbicide Delivery and Storage

1.6.2.2 Herbicide Handling Requirements

1.6.2.3 Application, Herbicide License

1.7 SEED TESTING

1.8 TIME LIMITATIONS

1.8.1 Seed

PART 2 PRODUCTS

2.1 SEED

2.1.1 Seed Substitutions

2.2 TOPSOIL

2.3 HERBICIDE SAFETY MATERIAL

2.3.1 Predator Control Material

2.4 WATER

2.5 EROSION CONTROL MATERIALS

2.6 FERTILIZER

PART 3 EXECUTION

3.1 PREPARATION

3.2 PLACING TOPSOIL

3.3 SEEDING

3.3.1 Seeding Operations

3.3.2 Seed Planting Seasons and Conditions

3.3.3 Erosion Control Material

3.3.4 Watering

3.4 PROTECTION OF SEEDED AREAS

3.5 HERBICIDE APPLICATION AND TIMING

3.6 FIELD QUALITY CONTROL

3.6.1 Pre-Planting Inspection by COR

3.6.2 Confirmation of Seed Use

3.6.3 Interim Field Observation Reviews by COR

3.6.4 COR Inspection

3.7 RESTORATION AND CLEAN UP

SECTION 32 92 19 Page 1

3.8 PRELIMINARY REVIEW AND ACCEPTANCE

3.9 ESTABLISHMENT

3.9.1 EXTENT OF WORK

3.9.1.1 Herbicide Application

3.9.1.2 Spot and Wick Applications of Herbicide

3.9.1.3 Mowing

3.9.1.4 Predator Control

3.9.2 FINAL ACCEPTANCE

-- End of Section Table of Contents --

SECTION 32 92 19 Page 2

SECTION 32 92 19

SEEDING

07/22

PART 1 GENERAL

1.1 SCOPE

This Section addresses live native plant and seed installation and establishment activities. The Contractor must furnish all labor, materials and equipment required or inferred from the plan documents and this section to complete the indicated work. Installation must take place within designated areas as indicated in the project drawings and within approved submittals using the appropriate methods as specified. The ultimate goal of the native plant installation is to create native plant communities that are biologically diverse and self-sustaining. Native plant installation must be coordinated with all other construction activities. The success of establishment must be determined through monitoring by the USACE, Chicago District. The Contractor is responsible for and must establish and maintain an effective Site Stewardship program to ensure that the native landscape becomes established according to the requirements contained herein. The Contractor is responsible for all materials and labor necessary to complete essential restoration, monitoring, enhancement and management activities.

This specification also covers the requirements for furnishing all labor and equipment and performing all work required for treating the leaves/stems/cut stumps of all invasive and designated aggressive native plant species within all areas of the project site. The use of herbicides shall be used within all areas of the project limits. Herbicide application shall be performed as part of the site preparation before native seed and plug installation and performed during the establishment period. The use of any herbicides shall be coordinated with other activities specified in other sections.

Invasive species include but are not limited to the taxa listed below:

Ash-Leaf Maple ( Acer negundo) Norway Maple ( Acer platanoides Bishop's Goutweed ( Aegopodium podagraria) Tree-of-Heaven ( Ailanthus altissima) Garlic mustard ( Alliaria petiolata) Common Burdock ( Arctium minus) Common mugwort ( Artemisia vulgaris) Japanese Barberry ( Berberis thunbergii) Asian Bittersweet( Celastrus orbiculatus) Spotted Knapweed Centaurea stoebe ssp. micranthos Canada Thistle ( Cirsium arvense) Teasel ( Dipsacus spp.)

Autumn-Olive ( Elaeagnus umbellata) Winged Euonymus ( Euonymus alatus) Japanese Black-Bindweed ( Fallopia japonica) Glossy Buckthorn ( Frangula alnus) Ash ( Fraxinus spp.)

English Ivy ( Hedera spp.)

Japanese Hop ( Humulus japonicus)

SECTION 32 92 19 Page 3

Privet ( Ligustrum spp.)

Japanese Honeysuckle ( Lonicera japonica) Amur Honeysuckle ( Lonicera maackii) Tartarian Honeysuckle ( Lonicera tatarica) Hybrid Honeysuckles ( Lonicera X spp.)

Garden Bird's-Foot-Trefoil ( Lotus corniculatus) Purple Loosestrife ( Lythrum salicaria) Moneywort ( Lysimachia nummularia) Sweet Clover ( Melilotus spp.)

White Mulberry ( Morus alba) Wild Parsnip ( Pastinaca sativa) Reed Canary Grass ( Phalaris arundinacea) Common Reed ( Phragmites australis ssp. australis) Cottonwood ( Populus deltoides) Common Buckthorn ( Rhamnus cathartica) Black Locust ( Robinia pseudoacacia) Multiflora Rose ( Rosa multiflora) Sandbar Willow ( Salix interior) Meadow Fescue ( Schedonorus pratensis) Crown Vetch ( Securigera varia) Tall Goldenrod ( Solidago altissima) Canadian Goldenrod ( Solidago canadensis) Seaside Goldenrod ( Solidago sempervirens) White Panicled American-Aster ( Symphyotrichum lanceolatum) Cattail ( Typha spp.)

Siberian Elm ( Ulmus pumila) Highbush-Cranberry ( Viburnum opulus var.