01 11 00 Summary of Work (Revised Amendment 0001).pdf

Maintenance Dredging of Bronx River, NY W912DS24B0023

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 11 00

SUMMARY OF WORK

02/24

PART 1 GENERAL

1.1 SUBMITTALS

1.2 FAR 52.211-10, COMMENCEMENT, PROSECUTION AND COMPLETION OF WORK

1.3 WORK COVERED BY CONTRACT DOCUMENTS

1.3.1 Project Description

1.3.2 Location

1.4 PERFORMANCE OF WORK BY THE CONTRACTOR

1.5 DFARS 236.204, DISCLOSURE OF THE MAGNITUDE OF CONSTRUCTION PROJECTS

1.6 DATUM AND BENCHMARKS

1.7 MISPLACED MATERIAL

1.8 AUTHORIZED CONSTRUCTION AREA AND TRESPASSING

1.9 EXISTING WORK

PART 2 PRODUCTS

PART 3 EXECUTION

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Amendment 0001

SECTION 01 11 00

SUMMARY OF WORK

02/24

PART 1 GENERAL

1.1 SUBMITTALS

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for information only. When used, a code following the "G" classification 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; G

1.2 FAR 52.211-10, COMMENCEMENT, PROSECUTION AND COMPLETION OF WORK

a. The Contractor shall be required to (i) commence work under this contract within five (5) calendar days after the date the Contractor receives the Notice to Proceed, (ii) prosecute the work diligently, and

(iii) complete the entire basic work ready for use, not later than 32 calendar days after the date the Contractor receives the notice to proceed. The time stated for completion shall include final cleanup of the premises. (FAR 52.212-3)

b. All work shall be in accordance with the drawings and specifications or instructions attached hereto and made a part thereof, or to be furnished hereafter by the Contracting Officer or Contracting Officer Representative (COR) and subject, in every detail, to his supervision, direction, and instructions.

1.3 WORK COVERED BY CONTRACT DOCUMENTS

1.3.1 Project Description

The work to be performed under this project consists of providing all materials, plant, labor, equipment and services (except those furnished by the Government) to perform maintenance dredging of Bronx River, New York, Federal Navigation Project, with placement of the material at the Historic Area Remediation Site (HARS). The Contractor will be solely responsible for coordination and compliance with the transportation, offloading, and placement site(s) requirements. See Section 35 20 29 entitled "DREDGED MATERIAL TRANSPORT AND PLACEMENT MONITORING" for more information.

The maintenance for this project consists of dredging approximately 142,615 CY of basic work material based on the plans and specifications survey performed in January 2024. For more details, see "ESTIMATED QUANTITIES" in 01 30 00 ADMINISTRATIVE REQUIREMENTS of these Specifications. The dredge material has been determined to be composed of primarily silt and clay.

A summary of the areas to be dredged, with associated quantities is shown in the table below.

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DREDGING AREA

TOTAL ESTIMATED

QUANTITY (CY)

BASIC WORK Dredging Area 1: (-10'

MLLW + 1' OD)

48,760

BASIC WORK Dredging Area 2a: (-10'

MLLW + 1' OD)

73,910

BASIC WORK Dredging Area 2b: (-10'

MLLW + 1' OD)

19,945

Contract time for completion is based on a minimum average production rate of 8,000 cubic yards (CY) per day for dredging, transportation, processing and placement at the HARS. Should the total quantity of material exceed the estimated quantities within the Solicitation Contract Form, additional time will be allowed at the rate of one (1) calendar day for each 8,000 cubic yards in excess of the established limit. The time stated for completion shall include final clean up.

The contractor must bid on all items of the bid schedule. The following CLINs require dredging of the Bronx River, New York, Federal Navigation Project, with subsequent transportation and placement of the dredged material at the

HARS.

CLIN 0002 (BASIC WORK Dredging Area 1) - requires dredging to the plane of -10 feet MLLW plus 1 foot allowable overdepth in AREA 1.

CLIN 0003 (BASIC WORK Dredging Area 2A) - requires dredging to the plane of -10 feet MLLW plus 1 foot allowable overdepth in AREA 2A.

CLIN 0004 (BASIC WORK Dredging Area 2B) - requires dredging to the plane of -10 feet MLLW plus 1 foot allowable overdepth in AREA 2B.

Based on the plans and specifications survey performed in January 2024, the maximum quantity available to be dredged is 142,615 CY from the basic work contract areas of the Bronx River, New York, Federal Navigation Project.

For a detailed breakdown of quantity available to be dredged, see "ESTIMATED QUANTITIES" in Section 01 30 00 of these Specifications.

Scow monitoring is required for this project. The contractor is required to comply with Section 35 20 29 entitled "DREDGED MATERIAL TRANSPORT AND PLACEMENT MONITORING", of these specifications.

Sampling and testing was conducted by the Government in 2022, and the grain size test results are included in the specifications in Section 00 90 01 as Attachment J. The complete sampling and testing results can be found as attachments to this solicitation on SAM.gov.

The Contractor shall be solely responsible for coordinating, obtaining, and complying with all the offloading, transportation, dewatering, processing and disposal permits/requirements of the Historic Area Remediation Site

(HARS).

The State Water Quality Certificate (WQC) for the maintenance dredging of Bronx River, New York, Federal Navigation Project will be amended to this solicitation. The contractor must comply with all conditions of the State WQC. The work is anticipated to be performed within the approximate time period of November 2024 - December 2024.

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Dredging is prohibited during the seasoal no-dredging window from 15 January through 30 June 30 September. Any further dredging prohibition periods may be listed in the State WQC amended to this solicitation.

1.3.2 Location

The work is located at the Bronx River, New York, Federal Navigation Project, as indicated on the contract drawings and 00 90 01 ATT. A.

1.4 PERFORMANCE OF WORK BY THE CONTRACTOR

The Contractor shall perform on the site, and with its own organization and equipment, work equivalent to at least forty (40) percent of the total amount of work to be performed under the contract. This percentage may be reduced by a supplemental agreement to this contract if, during performance of the work, the Contractor requests a reduction and the Contracting Officer and/or his Representative determines that the reduction would be to the advantage of the Government. (FAR 52.236-01)

1.5 DFARS 236.204, DISCLOSURE OF THE MAGNITUDE OF CONSTRUCTION PROJECTS

The entire work (CLINs 0001 through 0008) is estimated to cost approximately $5,000,000.00 to $10,000,000.00.

1.6 DATUM AND BENCHMARKS

Soundings and Elevations shown in the contract drawings are in US Survey Feet and refer to Mean Lower Low Water (MLLW) [epoch 1983-2001]. The Plane of MEAN LOWER LOW WATER (MLLW) is 3.9 FEET BELOW NAVD88 AS DETERMINED USING VDATUM (VER. 4.6.1). The following Benchmark information should be referenced for defining local datum and required project depth.

NSRS Benchmark:

Benchmark: "J 340"

PID: KU1006

Elevation: 60.49' (NAVD 1988)

Local Control Data:

Benchmark: RIVERSIDE HEADWALL

PID: NA

Elevation: 6.72' (NAVD 1988)

All control should be verified prior to utilization. The contractor may contact the New York District Survey Section at (201)333-0284 for assistance in bench mark discrepancies or clarification in benchmark and / or tide gage location.

1.7 MISPLACED MATERIAL

Should the Contractor during the progress of the work, lose, dump, throw overboard, sink, or misplace any material, plant, machinery, or appliance, which in the opinion of the Contracting Officer and/or his Representative may be dangerous to or obstruct navigation, the Contractor shall recover and remove the same with the utmost dispatch. The Contractor shall give immediate notice, with description and location of such obstructions, to the Contracting Officer and/or his Representative or inspector, and when required shall mark or buoy such obstruction until the same are removed.

Should he refuse, neglect, or delay compliance with the above requirements, such obstructions may be removed by the Contracting Officer and/or his

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Representative, and the cost of such removal may be deducted from any money due or to become due to the Contractor, or may be recovered under his bond.

The liability of the Contractor for the removal of a vessel wrecked or sunk without fault or negligence shall be limited to that provided in Sections 15, 19, and 20 of the Rivers and Harbors Act of March 3, 1899 (33 USC. 410 et seq.) (DOD FARS SUPPL. 52.236-7006).

1.8 AUTHORIZED CONSTRUCTION AREA AND TRESPASSING

Do not inflict damage upon land and properties outside the authorized construction area by unwarranted entry upon, passage through, damage to, or disposal of, material on such land or property. The Contractor may make a separate agreement with any other party, regarding the use of, or right to, land or facilities outside the contract area. If such an agreement is made, it must be in writing and a copy shall be provided to the Contracting Officer. The Contractor must hold and save the Government, its officers, and agents free from liability arising from trespassing or damage occasioned by his operations.

1.9 EXISTING WORK

In addition to FAR 52.236-9 Protection of Existing Vegetation, Structures, Equipment, Utilities, and Improvements:

a. Remove or alter existing work in such a manner as to prevent injury or damage to any portions of the existing work which remain.

b. Repair or replace portions of existing work which have been altered during construction operations to match existing or adjoining work, as approved by the Contracting Officer. At the completion of operations, existing work must be in a condition equal to or better than that which existed before new work started.

c. The responsibility for damage to the permanent work must be as set forth in the article of the contract clause entitled "PERMITS AND RESPONSIBILITIES". Except as herein provided, damage to all work, utilities, materials, structures, equipment, and plant, including temporary construction and utilities, pavements, vehicles, vessels, and other property along the routes used by the Contractor's plant, vessels, equipment, pipelines and/or vehicles must be repaired to the satisfaction of the Contracting Officer, at the Contractor's expense, regardless of the cause of such damage.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

Not used.

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