W912P7-08-B-0003-0002.pdf

L3CT9JEG

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L3CT9JEG

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DREDGING PLANT AND EQUIPMENT SCHEDULE

Available Plant to be Used

Age and Overall No. Type Capacity Manufacturer Condition Location Dimensions

Dredges:

Scows:

Tugboats:

Quantity Measurement Equipment:

Quality Control:

DDLS:

1. In preparing the above tabulation the bidder shall insert the following information under the appropriate heading, using a separate line for each major item and an additional page if necessary.

DREDGING PLANT AND EQUIPMENT SCHEDULE

a. Number. For dredges give identifying number or name.

b. Type. Under this heading give description as follows: For clamshell dredge show bucket capacity in in-situ cubic yards, for clamshell and/or pipe-line dredges show inside diameter of intake and discharge pipe, horsepower of pump engine, and type of power; for hopper dredges show capacity at overflow, number of dredge pumps, suction pipe size, propulsion type and horsepower, dredge length O/A and beam O/A.

c. Capacity. Under this heading, state the estimated capacity of the plant in cubic yards per month when working materials similar to those which it is anticipated will be encountered in the performance of the work for clamshell, hopper, pipeline, and scow.

d. Overall Dimensions. State overall length and beam.

e. DDLS. List the DDLS equipment and number of each that will be used.

2. List two dredging projects with location, dates of completion, and name of project owner:

(a)

(b)

Oakland Harbor O&M Dredging Project FY08

Table of Contents

TABLE OF CONTENTS

Para. No. Title Page No.

TECHNICAL CLAUSES

DIVISION 1 - GENERAL REQUIREMENTS

SECTION 01 00 05.00 43 - SUPPLEMENTARY CONDITIONS

1. Construction Rights-of-Way 1

2. Permits 1

3. Order of Work 1

4. General Safety Requirements 1 - 2

5. Public Safety 2

6. Project Sign 2 - 3

7. Bulletin Board 3

8. Hard Hat Sign 3

9. Meetings 4

10. Public Utilities and Private Improvements 4

11. Layout of Work 5

12. Safety of Structures 5

13. Payment 5

14. Contractor Performance Evaluations 5 - 6

Attachment 1 to Attachment 5 7 - 11

SECTION 01 32 01.00 10 – PROJECT SCHEDULE

1. Table of Contents 1 - 2

2. General 3

3. Products (Not Applicable) 3

4. Execution 3 – 12

SECTION 01 32 23.13 43 - HYDROGRAPHIC SURVEYS

1. General 1 - 2

2. Products (Not Applicable) 3

3. Execution 3 - 8

4. Survey Quality Control (QC) Log Attachment 1 and 2 9 - 10

Table of Contents

TABLE OF CONTENTS (CONT.)

Para. No. Title Page No.

SECTION 01 32 30 - SILENT INSPECTOR

1. General 1 - 2

2. Products (Not Used) 2

3. Execution 2 – 8

SECTION 01 33 00 - SUBMITTAL DESCRIPTIONS / SUBMITTAL REGISTERS AND

SUBMITTAL PROCEDURES

1. Submittal Descriptions 1

2. Submittal Registers 2 - 4

3. Submittal Procedures 5 - 12

SECTION 01 35 29 – SAFETY AND OCCUPATIONAL HEALTH REQUIREMENTS

1. General 1 - 12

2. Products (Not Applicable) 12

3. Execution 12 - 22

SECTION 01 45 02 – QUALITY CONTROL SYSTEM (QCS)

1. General 1

2. Products (Not Used) 1 - 2

3. Execution 2 – 7

SECTION 01 45 04.00 10 – CONTRACTOR QUALITY CONTROL

1. Table of Contents 1 - 2

2. General 3

3. Products (Not Applicable) 3

4. Execution 3 - 12

Table of Contents

TABLE OF CONTENTS (CONT.)

Para. No. Title Page No.

SECTION 01 57 20.00 10 - ENVIRONMENTAL PROTECTION

1. Work Included 1

2. Applicable Regulations 1

3. Notification 1

4. Subcontractors 2

5. Implementation 2

6. Water Pollution Control 2

7. Protection of Land Resources 3

8. Protection of Fish and Wildlife 3 - 4

9. Recording and Preserving Historical and Archaeological Finds 4

10. Air Quality Requirements 4 - 5

11. Radiological Safety 5

12. Maintenance of Pollution Control Facilities During Construction 5

13. Payment 5

DIVISION 35 – WATERWAY & MARINE CONSTRUCTION

SECTION 35 20 23 – DREDGING

1. Work Covered by Contract Prices 1

2. Submittals 2

3. Site Conditions 3

4. Dredging 3 - 6

5. Disposal of Dredged Material 6 - 7

6. Dredging Reports 7

7. Overdepth and Excessive Dredging 7 - 8

8. Measurement and Payment 8

9. Authorization for Demobilization 8

SECTION 35 20 25 – TRANSPORTATION FOR HAMILTON OFF LOADING

1. General 1 - 2

2. Products (Not Used) 2

3. Execution 2 - 4

Table of Contents

TABLE OF CONTENTS (CONT.)

Para. No. Title Page No

APPENDIXES

Appendix 1 Consistency Determination for Calendar Year 2007, 1-1 – 1-23 2008, & 2009 Maintenance Dredging of Federal Navigation Channels

Appendix 2 Safety Checklists for Floating Plant and 2-1 – 2-46 Mobile Construction Equipment Inspection

Appendix 3 Waste Discharge Requirements 3-1 – 3-20 Appendix 4 Silent Inspector Data Formats 4-1 – 4-7 Appendix 5 Letter Of Agreement For Consistency Determination

NO. CN 9-06 5-1– 5-41

Appendix 6 Dredge Monitoring System 6-1 – 6-9

Operational Requirements (DDLS) Appendix 7 Worker's Compensation Claims 7-1 – 7-2 Appendix 8 Dredged Material Disposal Site Log 8-1 – 8-2 Appendix 9 Not Used 9-1 Appendix 10 Not Used 10- 1 Appendix 11 Scow Certification Checklist 11-1 – 11- 4 Appendix 12 Not Used 12-1 Appendix 13 Acronym List 13-1 – 13-2 Appendix 14 Summary Guide for Completing USACE Contractor 14-1 – 14-15

Monthly Summary Record of Injuries/Illnesses & Work Hour Exposure

Appendix 15 Oakland Outer Harbor Power Cable Location 15-1 – 15-2

Dredging

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SECTION 35 20 23

DREDGING

1.1 WORK COVERED BY CONTRACT PRICES. The contract price per cubic yard for dredging shall include the cost of removal, transportation, processing and delivery of material in accordance with the project plans, specifications, permits, regulatory guidance and applicable contract clauses. The price shall also include the Contractor’s subsidiary obligations, such as, Contractor Quality Control (CQC), Safety and Environmental Protection. No separate payment will be made for dredge material management or associated subsidiary obligations.

1.2. MOBILIZATION AND DEMOBILIZATION

1.2.1 Mobilization shall consist of all work required in preparing the Contractor's dredging plant and equipment for shipment; moving plant, equipment, labor, materials, supplies and incidentals to the job site; making ready for dredging; and maintaining plant and equipment in working condition at the site during the dredging period.

1.2.2 Demobilization shall consist of all work required to prepare plant and equipment for return trip and to remove all plant, equipment, labor and unused supplies and incidentals from the job site at the completion of the contract work, including cleaning up any land based staging site used in the prosecution of the work.

1.3. DESCRIPTION OF WORK

1.3.1 The estimated total payable quantities for dredging, including Standard and Allowable (Paid) Overdepth, are summarized in the Bid Schedule. The calculated quantities of payable material shall be the material available in the Standard Dredging Prisms and Allowable (Paid) Overdepth Prisms as determined by the Government pre-dredge surveys.

1.3.2 Required Dredging.

1.3.2.1 The Required Dredging Prism is defined by the required channel depth and the required channel width (between the channel toes). The total quantity of payable Standard Dredging material shall be the material available in the Required Dredging Prism and the Optional Side-slope Prism as determined by the Government pre-dredge survey.

1.3.2.2 The Contractor shall remove all material from the Required Dredging Prism as determined by the Government pre-dredge and post-dredge surveys, which measure project depth with 0.1 foot precision. No payment will be made for shoal material that deposits after the pre-dredge survey and before the final post-dredge survey.

1.3.3 Optional Dredging

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1.3.3.1 Dredging the material above the neat line of the side slopes is not allowed;

however, material removed from above the neat line of the side slope by sloughing is counted for payment purposes as Standard Dredging Material.

1.3.3.2 The Allowable Overdepth Prism is between the channel toes from the required channel depth to a line two (2) feet below (and parallel to) the required channel depth.

1.3.3.3 The Allowable (Paid) Overdepth Prism is between the channel toes from the required channel depth line (where there is material above the required channel depth line in the pre-dredge survey) to a line one (1) foot below (and parallel to) the required channel depth.

1.3.4 Overdepth Dredging. Overdepth dredging will be allowed to the limits specified in paragraph 8, "OVERDEPTH AND EXCESSIVE DREDGING".

1.4 REFERENCES

The publications listed below form a part of this specification to the extent referenced.

The publications are referred to in the text by the basic designation only.

Department of the Army, U.S. Army Corps of Engineers (USACE)

EM 1110-1-2909 (2005) Geospatial Data and Systems

EM 1110-2-1003 (2004) Hydrographic Surveying

EM 1110-2-5025 (1983) Dredging and Dredged Material Disposal

USACE / USEPA / BCDC / SFBRWQCB Publications

SF Bay LTMS (2001) Long-Term Management Strategy for the Placement of Dredge Material in the San Francisco Bay Region

SFDODS EPA

Conditions (2006)

EPA Standard Ocean Disposal Conditions for the San Francisco Deep Ocean Disposal Site

2. SUBMITTALS.

As prescribed in Paragraph 3.8 of Section 01 33 00 SUBMITTAL PROCEDURES, Government approval is required for submittals with a “G” designation. All submittals not designated with the letter (G) do not require Government approval and will be for information only.

2.1 The Contractor shall submit the following items at least ten (10) days prior to the start of dredging.

Dredging Plant and Equipment (Para 5.1.2) – G Dredging Plan (Para 5.5.1) – G.

Coast Guard Notification (Para 5.6.1) Debris Plan (Para 5.7.3) – G.

DDLS (Para 7.2) – G.

2.2 The Contractor shall submit the following items weekly.

Dredging Plan Updates (Para 5.5.1) – G.

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Dredge Material Disposal Site Log (Para 7.1)

2.3 The Contractor shall submit the following items with other required submissions, when appropriate.

Items to be submitted with the daily CQC Report:

DDLS Reports/Data (Paragraphs 7.2.2 and 7.2.3)

3. SITE CONDITIONS.

3.1 Character of Materials. The material to be removed to restore the depth within the limits shown on the drawings is composed of material that has accumulated since the channel was last dredged to that depth.

3.2 In accordance with Contract Clause "SITE INVESTIGATION AND CONDITIONS AFFECTING THE WORK (FAR 52.236-3)" the Contractor is expected to examine the site of the work. The records of previous dredging are available at the office of the District Commander, U. S. Army Corps of Engineers, 1455 Market Street, San Francisco, California 94103.

4. DREDGING

4.1 Equipment. The Contractor's plant and equipment to be used in performing the work shall be of sufficient size and efficiency to meet the job requirements.

4.1.1 Dredging shall be performed by dredge or other method provided that the dredged material is slurried, as specified hereinafter. Except for hopper or pipeline dredging, transport of all dredged material for disposal shall be by barge.

4.1.2 The Contractor shall submit a description of the dredging plant(s) and equipment to be used on this job for approval by the Contracting Officer at least 10 days prior to the start of dredging.

4.2 Performance Period. The performance period is specified in Special Clause 52.211-10 Commencement, Prosecution and Completion of Work.

4.3 Reserved.

4.4 Coordination. The Contractor shall coordinate all activities in such a way as to not interfere with other activities in dredging and disposal areas.

4.4.1 The Contractor shall coordinate with all other contractors to ensure smooth operating conditions in accordance with Contract Clause 52.236-8 Other Contracts.

4.4.2 The Contractor shall schedule dredging operations so as to avoid any interference with marine traffic or terminal operations.

Dredging

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4.4.3 Inherent Delays. The Contractor shall anticipate inherent delays for dredging around obstructions, including but not limited to, cables and moored vessels, and for accommodating marine traffic. Such delays will not be the basis for a contract extension or for an increase in the unit prices for dredged material.

4.4.4 The Contractor shall coordinate his / her dredging operation with the Oakland -50’ deepening contractor. Please see “Appendix 15 Oakland Outer Harbor Power Cable Location”.

4.5 Dredging. The dredging comprises removal dredge sediments shown on the plans with up to 2 feet of allowable overdepth to ensure the required channel depth is achieved.

The side slopes shall be as shown in the plans with no allowance for over depth.

4.5.1 Dredging Plan. Prior to any dredging work, the Contractor shall submit a Dredging Plan for review and comment. This Dredging Plan shall be coordinated with the Project Schedule of Section 01 32 01.00 10 and shall include a time schedule showing the anticipated start and end of dredging of all the reaches and the hydrographic surveying activities. Dredging shall not commence until the Dredging Plan has been approved by the Contracting Officer. The Contractor shall update the data on a weekly basis and shall submit a copy of the updated Dredging Plan to the Contracting Officer for approval.

4.5.1.1 The plan shall include dredge locations, pipeline locations, instrumentation used, coordinates and land elevations of all control points for electronic positioning system and MLLW determination, estimated daily dredge advances, quality control survey procedures, anticipated problem areas of the project involving poor access due to boat traffic congestion or boat docking, and procedures to assure that dredging will proceed within the contract template and be performed in the most economical manner.

4.5.1.2 The Contractor shall submit the Dredging Plan, and updates, as a CAD drawing in print and in electronic (dwg and pdf) form on a CD-ROM. The drawing shall contain project channel data and show the areas dredged, over time, and the areas to be dredged in the next week.

4.5.2 The Contractor shall request, in writing, the Contracting Officer’s approval to begin dredging in a Reach. Except for the first request to begin, the Contractor’s request to begin dredging shall include a copy the request for Reach Acceptance Survey that was submitted when the dredge to be used completed its last Reach. The Contractor shall not dredge in a Reach without written approval of the Contracting Officer.

4.5.3 Horizontal Position of Dredge. The Global Positioning System (GPS) utilizing the Coast Guard Point Blunt D-Beacon shall be used, or other method subject to approval of the Contracting Officer.

4.5.4 Tidal Control During Dredging.

4.5.4.1 To establish dredging depth to the MLLW datum, the Contractor shall install an automatic recording tide gage with water level sensor placed at the closest Government-furnished tide gage site to each reach of the dredging work as shown on the contract

Dredging

Section 35 20 23 drawings, or as otherwise approved. The tide gage shall provide a continuous recording of tidal change for every 5-minute interval or each 0.1 foot change, whichever occurs first. Tidal changes shall be recorded in MLLW datum, with these changes visually provided to the dredge operator at all times during the dredging process to allow proper adjustment of dredge depth. A printed and digital record of the tidal changes shall become part of and submitted with the Contractor's daily quality control report.

4.5.4.2 Real Time Kinematic (RTK) Differential GPS may be used to obtain accurate, real-time elevations (depths) without observing tidal data.

4.6 Coast Guard Notification. The Contractor shall utilize the Dredging Plan to forecast the activities in the channels and shall notify the United States Coast Guard Marine Safety Office in writing with a copy to the Contracting Officer.

4.7 Debris. Debris, including but not limited to man-made objects, timber, chains, anchors, flotsam, miscellaneous metal objects, tires, cables, plastics, lumber, abandoned utilities, pilings, tree branches and other foreign material removed during dredging shall not be disposed of in the Government-furnished disposal and fill areas. The Contractor shall remove any errantly placed debris found in the Government-furnished disposal and fill areas at no expense to the Government.

4.7.1 Slurrying of Material: All dredged material shall be slurried prior to disposal to prevent any accumulation or build up of material at the disposal site. Dredged material will be either pumped with a centrifugal pump prior to leaving the dredge site for the disposal site or if the material is mechanically dredged, passed through a debris grid, with a maximum opening size of 10 inches in diameter that will cover the entire loading area of the dump scow. Everything that does not pass through the grid will be considered solid debris and shall be disposed in areas outside of Corps jurisdiction. All such material shall be promptly removed from the grid at the end of each 8 hour shift or sooner.

4.7.2 Debris Plan: The Contractor shall submit a Debris Plan within 20 calendar days after NTP. The Debris Plan shall clearly and concisely describe the project specific procedures and methodologies proposed to prevent debris larger than 10 inches in diameter from entering dredge material management sites. The plan may include but is not limited to procedures and equipment used to generate slurry, Grizzly procedures, testing procedures and test reporting procedures."

4.7.3 Debris Delays. The Contractor shall anticipate delays that may occur for removal and disposal of debris. The time to remove debris will not be the basis for a contract time extension. In lieu of slurrying the material, the Contractor, at the dredge site, shall pass the dredged material through a grid with openings of not more than 10 inches in any dimension to prevent debris larger than 10 inches in diameter to enter the scow.

4.7.4 Debris Separation. The Contractor shall remove all debris encountered within the dredging prism and placed it in a separate scow or other conveyance and shall disposed of all debris as specified in subparagraph 5.7.6.

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4.7.5 Disposal of Debris. The Contractor shall transport all debris by truck or other conveyance off Government or Port property and shall dispose of the debris in a land disposal site in accordance with local, State and Federal laws and regulations. The Contractor shall obtain all necessary permits and approvals required for disposal of debris.

4.7.6 Payment for Debris. There will be no separate payment for debris. The Contractor shall include all costs of separating and disposing of debris in the unit prices for dredging.

4.8 Overflow, Spillage and Leakage

4.8.1 Misplaced Material. Any dredged material that escapes, sloughs, or is lost at any time while dredging, loading, transporting, or which is deposited in an area other than that designated on the Plans shall be redredged or retrieved, and material shall be deposited where directed by the Contracting Officer, at the Contractor's expense.

4.8.2 The Contractor’s Spill Response Plan shall include monitoring of overflow, spillage and leakage.

4.8.3 The Contractor shall remove all material spilled outside the project limits at no cost to the Government.

4.9 Shoaling Prior to Acceptance. The Contractor shall remove shoaling that occurs within the project limits prior to acceptance of a Reach. No additional payments will be made for dredging and disposal of this shoaled material.

4.10 Shoaling After Acceptance. The Government may direct the Contractor to remove shoaling that occurs within the project limits after acceptance of a Reach and prior to the completion of the contract. The Contractor shall remove the shoaled material at the contract unit price for dredging. The quantity of shoaling to be paid for will be measured by the cubic yard by computing the volume of paid material removed between the surfaces shown by Government survey taken after shoaling and the final Government survey made after the shoaled material has been removed.

5. DISPOSAL OF DREDGED MATERIAL.

5.1 Dredged material shall be disposed of in accordance with Section 35 20 25 at the Hamilton Wetland Restoration Project.

5.2 This solicitation allows the contractor to offer a Contractor furnished disposal site as an alternative to the Government furnished disposal site at the Hamilton Wetland Restoration Project. In the event a bidder elects to submit a price under the Pricing Schedule, ”Contractor Furnished Site”, all of the individual items in the Pricing Schedule Section 00 41 00– Contractor furnished Site shall be completed. At the time of bid, the bidder must submit proof acceptable to the Contracting Officer that the Contractor Furnished Site is both permitted and has sufficient capacity to handle the estimated volume of material specified in the Pricing Schedule – Contractor Furnished Site.

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In the case that the Government accepts the Contractors alternate disposal site then all disposal site permits required shall be made available to the Contracting Officer for review.

5.3 The Contractor shall report any violation of environmental permits to the Contracting Officer within 24 hours. In the event of a violation, the Contractor shall all necessary changes to bring disposal operations into compliance.

6. DREDGING REPORTS

6.1 Dredge Material Disposal Site Log (DMDSL). The Contractor shall maintain a DMDSL using the form in Appendix 8 “Dredge Material Disposal Site Log”. Every Monday, the Contractor shall FAX the prior week's DMDSL data to the SF Engineer District, ATTN: DMMO, at (415) 503-6693.

6.2 Dredge Data Logging System (DDLS). The contractor shall provide a DDLS conforming to the Dredge Monitoring System Operational Requirements described in Appendix 6 “DDLS”. The Contractor shall procure the services of a QC firm specializing in automated monitoring systems to calibrate and maintain the equipment and to perform QC verifications of the data. The DDLS and a Contractor-developed backup system shall be in place and operational prior to the start of dredging and disposal or fill operations.

The Contractor shall submit the DDLS, the DDLS backup system and the qualifications of the DDLS QC firm to the Contracting Officer for approval.

6.2.1 Any failure of the DDLS system, components and sensors shall be repaired within 48 hours of the failure. During the 48-hour failure period, the Contractor shall continue dredging and disposal operations utilizing his DDLS backup system. The DDLS backup system must be approved by the Contracting Officer and shall be in place and operational prior to dredging and disposal operations.

6.2.2 The Contractor shall submit electronic copies of the DDLS positional data for all dredge equipment and all disposal/fill vessels utilized, on CD-ROMs with the daily CQC Report. The Contractor shall also furnish a properly licensed copy of the computer program(s), and dongle(s) if required, to playback and print all DDLS, or DDLS backup, electronic data

6.2.3 The Contractor shall electronically send dredged quantity, sediment type and GPS positional data on the dredge and disposal or fill locations for all pipelines or scows (or barges) to the Government. This electronic data shall also be submitted on a CD-ROM with the daily CQC Report.

7. OVERDEPTH AND EXCESSIVE DREDGING

7.1 Overdepth. The 2-foot allowable overdepth shown on the drawings, is being allowed to ensure removal of a sufficient amount of material to reach project depth and width.

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7.1.1 No payment will be made for materials removed from beyond the allowable overdepth pay-line shown on the drawings.

7.1.2 No payment will be made for overdepth material removed in areas already at or below project depth in the Government pre-dredge survey.

7.1.3 No payment will be made for materials removed from beyond the side slope neat line template.

7.2 The Clean Water Act Waste Discharge Requirement and Coastal Zone Management Act Consistency Determination for this project support excavation to the characterization depth indicated on the drawings. The Contracting Officer may suspend performance at no cost to the Government when progress payment surveys reveal repeated, continuous, and intentional excavation below this elevation. Upon submittal of a corrective action plan acceptable to the Contracting Officer the Contractor would be permitted to resume work.

8. MEASUREMENT AND PAYMENT

8.1 Dredging

8.1.1 Final Measurement for Payment. Final measurement for payment of the total amount of material dredged will be made based on the cubic yards of material in-place, by computing the volume between the bottom surface shown by soundings from the Government pre-dredge survey taken before dredging and the bottom surface shown by soundings from the final Government post-dredge survey compared with the neat line template. This quantity shall include excavation performed within the allowable paid overdepth limits and exclude allowable non-pay overdepth and excessive dredging as specified under paragraph "OVERDEPTH AND EXCESSIVE DREDGING".

8.1.1.1 If the Government finds the Reach to be unacceptable, the Contractor shall resume dredging within seven (7) calendar days and shall continue dredging until the work is completed.

8.2 Supporting Documentation. The Government will not begin processing a payment request until all supporting documentation has been received, reviewed and found to be in good order.

9. AUTHORIZATION FOR DEMOBILIZATION

The Contractor shall obtain written permission from the Contracting Officer before removing construction plant, equipment and materials from the project site. Structures and facilities prepared or erected for the prosecution of the contract work shall be maintained and shall not be dismantled and removed prior to the completion and acceptance of the entire work without the written permission of the Contracting Officer.

Dredging

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-- End of Section --

APPENDIX 15

OAKLAND OUTER HARBOR POWER CABLE LOCATION

Appendix 15 - 2