B.01.04 Draft Specifications.pdf

US Army Corps of Engineers

Little Rock District SPECIFICATIONS

MKARNS IDIQ:

STATION DREDGING

LONG TERM CAPABILITY

McCLELLAN-KERR ARKANSAS RIVER

NAVIGATION SYSTEM

NM 0.0 TO 444.8

ARKANSAS, WHITE, & VERDIGRIS RIVERS

ARKANSAS AND OKLAHOMA

90% Design

SOLICITATION NO. W9127S-22-B-0001

STATION DREDGING NAVIGATION MILES 0 TO 444.8

LONG-TERM CAPABILITY

McCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM

ARKANSAS AND OKLAHOMA

INDEX OF TECHNICAL PROVISIONS

DIVISION 1 GENERAL REQUIREMENTS

SECTION 01015 - CONDITIONS

SECTION 01510 - GENERAL REQUIREMENTS

DIVISION 2 SITE WORK

SECTION 02482 - DREDGING

DIVISIONS 3 THRU 16 - NOT USED

SECTION 01015 - CONDITIONS

PART 1 GENERAL

1.1 ENVIRONMENTAL LITIGATION

(a) If the performance of all or any part of the work is suspended, delayed, or interrupted due to an order of a court of competent jurisdiction as a result of environmental litigation, as defined below, the Contracting Officer, at the request of the Contractor, shall determine whether the order is due in any part to the acts or omissions of the Contractor or a Subcontractor at any tier not required by the terms of this contract. If it is determined that the order is not due in any part to acts or omissions of the Contractor or a Subcontractor at any tier other than as required by the terms of this contract, such suspension, delay, or interruption shall be considered as if ordered by the Contracting Officer in the administration of this contract under the terms of the "Suspension of Work" clause of this contract. The period of such suspension, delay or interruption shall be considered unreasonable, and an adjustment shall be made for any increase in the cost of performance of this contract (excluding profit) as provided in that clause, subject to all the provisions thereof.

(b) The term "environmental litigation", as used herein, means a lawsuit alleging that the work will have an adverse effect on the environment or that the Government has not duly considered, either substantively or procedurally, the effect of the work on the environment.

1.2 CONTINUITY OF WORK

No payment will be made for work done in any area designated by the Contracting Officer until the full depth required under the contract is secured in the whole of such area, unless prevented by ledge rock. Nor will payment be made for excavation in any area not adjacent to and in prolongation of areas where full depth has been secured except by decision of the Contracting Officer. Should any such nonadjacent area be excavated to full depth during the operations carried on under the contract, payment for all work therein may be deferred until the required depth has been made in the area intervening. The Contractor may be required to suspend dredging at any time when for any reason the gages or ranges cannot be seen or properly followed.

1.3 INSPECTION

The inspectors will direct the maintenance of the gauges, ranges, location marks and limit marks in proper order and position; but the presence of the inspector shall not relieve the Contractor of responsibility for the proper execution of the work in accordance with the specifications. The Contractor will be required:

(a) To furnish, on the request of the Contracting Officer or any inspector, the use of such boats, boatmen, laborers, and material forming a part of the ordinary and usual equipment and crew of the dredging plant as may be reasonably necessary in inspecting and supervising the work. However, the Contractor will not be required to furnish such facilities for the surveys, prescribed in the clause entitled "Final Examination and Acceptance".

(b) To furnish, on the request of the Contracting Officer or any inspector, suitable transportation from all points on shore designated by the Contracting Officer to and from the various pieces of plant, and to and from the dumping grounds. Should the Contractor refuse, neglect, or delay compliance with these requirements, the specific facilities may be furnished and maintained by the Contracting Officer, and the cost thereof will be deducted from any amounts due or to become due the Contractor.

1.4 FINAL EXAMINATION AND ACCEPTANCE

As soon as practicable after the completion of the entire work or any section thereof (if the work is divided into sections) as in the opinion of the Contracting Officer will not be subject to damage by further operations under the contract, such work will be thoroughly examined at the cost and expense of the Government by sounding or by sweeping, or both, as determined by the Contracting Officer. Should any shoals, lumps, or other lack of contract depth be disclosed by this examination the Contractor will be required to remove same by dragging the bottom or by dredging at the contract rate for dredging, but if the bottom is soft and the shoal areas are small and form no material obstruction to navigation, the removal of such shoal may be waived by the discretion of the Contracting Officer. The Contractor or his authorized representative will be notified when soundings and/or sweepings are to be made, and will be permitted to accompany the survey party. Final acceptance of the area will be obtained when the area is found to be in satisfactory condition. Should more than two sounding or sweeping operations by the Government over an area be necessary by reason of work for the removal of shoals disclosed at a prior sounding or sweeping, the cost of such third and any subsequent sounding or sweeping operations will be charged against the Contractor at the rate of $1,500 per day for each day in which the Government plant is engaged in sounding or sweeping and/or is enroute to or from the site or held at or near the said site for such operations.

1.5 SHOALING

If, before the dredging at a specified location is completed, shoaling occurs in any section previously accepted, including shoaling in the finished channel, because of the natural lowering of the side slopes, redredging at contract price, within the limit of available funds, may be done if required.

1.6 CONTRACTOR QUALITY CONTROL

The Contractor shall provide and maintain an effective quality control program that complies with clause: INSPECTION OF CONSTRUCTION.

(a) The Contractor shall establish a quality control system to perform sufficient inspection and tests of all items of work, including that of his subcontractors, to ensure conformance to applicable specifications and drawings with respect to the materials, workmanship, finish, functional performance, and identification. This control will be established for all work except where the technical provisions of the contract provide for specific Government control by inspection, tests, or other means.

(b) The Contractor's quality control system is the means by which he assures himself that his work complies with the requirements of the contract plans and specifications. The controls shall be adequate to cover all maintenance operations and should be keyed to the proposed work sequence.

(c) The Contractor's job supervisory staff may be used for quality control, supplemented as necessary by additional personnel for surveillance, special technicians, or testing facilities to provide capability for the controls required by the Technical Provisions of the specifications.

(d) The Contractor shall furnish to the Government prior to commencement of work a quality control plan which shall include the procedures, instructions, and reports to be used. This document shall include as a minimum:

(l) The quality control organization.

(2) Number and qualifications of personnel to be used for this purpose.

(3) Authority and responsibilities of quality control personnel.

(4) Methods of quality control including subcontractor's work.

(5) Test methods including, as specified, name of qualified testing laboratory to be used.

(6) Method of documenting quality control operation, inspection and testing.

(7) A copy of a letter of direction to the Contractor's representative responsible for quality control, outlining his duties and responsibilities, and signed by a responsible officer of the firm.

(e) After the contract is awarded and before construction operations are started, the Contractor shall meet with the Contracting Officer, and discuss quality control requirements. The meeting shall develop mutual understanding relative to details of the system, including the forms to be used for recording the quality control operations, inspections, administration of the system, and the interrelationship of Contractor and Government inspection.

(f) Unless specifically authorized by the Contracting Officer, no work will be started until the Contractor's quality control plan is approved.

(g) All compliance inspections will be recorded on an approved form (included at the end of SECTION 00100. Further instructions on the preparation of this report will be furnished at the predredging conference.

(h) If recurring deficiencies in an item or items indicate that the quality control system is not adequate, such corrective actions will be taken as directed by the Contracting Officer.

1.7 SIGNAL LIGHTS

The Contractor shall display signal lights and conduct his operations in accordance with the General Regulations of the Department of the Army and of the Coast Guard. These regulations govern lights and day signals to be displayed by towing vessels on which no signals can be displayed, vessels working on wrecks, dredges, vessels engaged in laying cables or pipe, in submarine or bank protection operations. In addition, lights are to be displayed on dredge pipe lines, and day signals are to be displayed by vessels of more than 65 feet in length moored or anchored in a fairway or channel, and The Contractor shall display signal lights and conduct his operations in accordance with the General Regulations of the Department of the Army and of the Coast Guard. These regulations govern lights and day signals to be displayed by towing vessels on which no signals can be displayed, vessels working on wrecks, dredges, vessels engaged in laying cables or pipe, in submarine or bank protection operations. In addition, lights are to be displayed on dredge pipe lines, and day signals are to be displayed by vessels of more than 65 feet in length moored or anchored in a fairway or channel, and the passing by other vessels of floating plant working in navigable channels as set forth in Commandant U.S. Coast Guard Instruction Ml6672.2, Navigation Rules: International-Inland (COMOTINST Ml6672.2), or 33 CFRBl Appendix A (International) and 33 CFR 84 through 33 CFR 89 (Inland) as applicable.

1.8 CERF IMPLEMENTATION

If the work specified in this contract is performed by a hopper dredge(s), the owner must have an active Basic Ordering Agreement (BOA) for the hopper dredge(s) on file with the Corps. The Contractor shall be obligated to make the hopper dredge(s) available to serve in the Corps of Engineers Reserve Fleet (CERF) at any time that the hopper dredge(s) is performing work under this contract. When the Contracting Officer is notified of the decision to activate this dredge(s) into the CERF, he shall take appropriate action to release the dredge(s). He may then extend or terminate the contract to implement whichever action is in the best interest of the Government. The CERF Contractor shall also be subject to the following conditions:

(a) The Director of Civil Works may require the Contractor to perform emergency dredging at another CONUS (48 contiguous states) site for a period of time equal to the remaining time under this contract at the date of notification plus up to ninety (90) days at the previously negotiated rate which appears on the schedule of prices in the BOA.

(b) The Chief of Engineers may require the Contractor to perform emergency dredging at an OCONUS (Outside CONUS which in includes Alaska, Hawaii, Puerto Rico, the Virgin Islands, or U.S. Trust Territories) site for a period of time equal to the time remaining under this contract at the date of notification plus up to one hundred eighty (l80) days at the negotiated rate which appears on the schedule of prices in the BOA.

(c) The CERF shall be activated by the Chief of Engineers or the Director of Civil Works; then the Ordering Contracting Officer will notify the Contractor. From the time of notification, the selected hopper dredge(s) must depart for the emergency assignment within seventy-two (72) hours for CONUS or ten (l0) days for OCONUS assignments.

(d) A confirming delivery order will be issued pursuant to the Basic Ordering Agreement (BOA) by the Ordering Contracting Officer. Such delivery order shall utilize the schedule of rates in the BOA for the specific hopper dredges(s).

(e) If during the time period specified in a, b, or c, above, a CERF vessel(s) is still required, the contract performance may be continued for additional time by mutual agreement.

1.9 NOTICE OF CONTRACT COMPLETION

If the contract completion date is extended, the Government will give notice of contract completion at least 5 days prior to termination. Initial notice will be verbal, followed by written notice to confirm the verbal notice.

Termination may be on a specified date or upon completion of a specified dredging assignment provided at least 5 days notice is given in either case.

When notice is not given at least 5 days prior to completion of the last dredging assignment, the Contractor will be placed on long term stand-by for a period to provide for the 5 days notice of contract completion.

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SECTION 01510 - GENERAL REQUIREMENTS

1.1 MEASUREMENT AND PAYMENT

No separate measurement or payment will be made for the work covered under this section of the specifications; all costs in connection therewith shall be included in the contract unit or sum-job price or prices for the work to be performed under the contract.

1.2 BULLETIN BOARD

The Contractor shall furnish, install and maintain for the duration of the contract, a weather-tight bulletin board, having hinged or sliding glazed doors, on which shall be displayed legible copies of (1) the poster entitled "equal employment opportunity is the law" (OFCCP Publication 1420) as required by CONTRACT CLAUSES: EQUAL OPPORTUNITY, AFFIRMATIVE ACTION

COMPLIANCE REQUIREMENTS FOR CONSTRUCTION, AFFIRMATIVE ACTION FOR SPECIAL

DISABLED AND VIETNAM ERA VETERANS, AND AFFIRMATIVE ACTION FOR HANDICAPPED

WORKERS; (2) the Notice to Employees Poster (WH Publication 1321); (3) the schedule of minimum wage rates for the contract as required by CONTRACT CLAUSE: DAVIS-BACON ACT; and (4) current safety posters. The bulletin board shall be mounted where and as approved by the Contracting Officer, in a prominent place accessible to all employees of the Contractor and subcontractors, and to applicants for employment. The bulletin board shall remain the property of the Contractor and shall be removed by him upon completion of the contract work.

1.3 SAFETY REQUIREMENTS

1.3.1 Safety and Health Requirements Manual

The Contractor shall comply with all applicable provisions of Corps of Engineers Manual EM 385-1-1, Safety and Health Requirements Manual, dated 30 November 2014, referenced in CONTRACT CLAUSE: ACCIDENT PREVENTION.

1.3.2 Occupational Safety and Health Act (OSHA) Standards

The Contractor shall comply with all applicable provisions of the Occupational Safety and Health Act (OSHA) Standards for Construction (Title 29, Code of Federal Regulations Part 1926 as revised from time to time).

The most stringent requirements of the standards will be applicable.

1.4 ENVIRONMENT PROTECTION

1.4.1 Scope

Environment protection covers the furnishing of all labor, materials and equipment and performing all work required for the protection of the environment during dredging operations.

1.4.2 Recording and Preserving Historical and Archeological Finds

All items having any apparent historical or archeological interest which are discovered in the course of any dredging activities shall be carefully preserved. The Contractor shall leave the archeological find undisturbed and shall immediately report the find to the Contracting Officer so that the proper authorities may be notified. If the Contractor is delayed or if additional work is required by a discovery, the contract will be subject to equitable adjustment under one of the appropriate Contract Clauses.

1.4.3 General

For the purpose of this specification, environment protection is defined as the retention of the environment in its natural state to the greatest possible extent during dredging operations and to enhance the natural appearance in its final condition. Environment protection requires consideration of air, water and land, and involves noise, solid waste-management, and management of radiant energy and radioactive materials, as well as other pollutants. In order to prevent, and to provide for abatement and control of, any environmental pollution arising from the dredging activities in the performance of this contract, the Contractor and his subcontractors shall comply with all applicable Federal, State and local laws and regulations concerning environmental pollution control and abatement, and all applicable provisions of Engineer Manual EM 385-1-1 entitled "Safety and Health Requirements Manual", as well as specified requirements stated herein.

1.4.4 Notification

The Contracting Officer will notify the Contractor in writing of any noncompliance with any applicable Federal, State or local laws or regulations. The Contractor shall, after receipt of such notice, immediately inform the Contracting Officer of proposed corrective action and take such action as may be approved. If the Contractor fails or refuses to comply promptly, the Contracting Officer may issue an order stopping all or part of the work until satisfactory corrective action has been taken. No part of the time lost due to any such stop orders shall be made the subject of a claim for extension of time or for excess costs or damages to the Contractor.

1.4.5 Subcontractors

Compliance with the provisions of this paragraph by subcontractors will be the responsibility of the Contractor.

1.4.6 Implementation

Prior to commencement of the work, the Contractor will meet with representatives of the Contracting Officer to develop mutual understandings relative to compliance with this provision and administration of the environment protection program. Approval of the Contractor's plan for environment protection will not relieve the Contractor of his responsibility for adequate and continuing control of pollutants.

1.4.7 Protection of Land Resources

1.4.7.1 General

The land resources within the project boundaries and outside the limits of permanent work performed under this contract shall be preserved in their present condition or be restored to a condition after completion of construction that will appear to be natural and not detract from the appearance of the project. The Contractor shall confine his construction activities to areas defined by the plans and specifications. The Contractor shall preserve the present condition of retaining levees, berms, and flumes located in or around the area where dredged material is placed.

1.4.7.2 Restoration of Landscape Damage

Any trees or other landscape feature scarred or damaged by the Contractor's equipment or operations shall be restored to a condition satisfactory to the Contracting Officer. Restoration of scarred and damaged trees shall be performed in an approved manner by experienced workmen. Trees damaged beyond restoration shall be removed and disposed of as approved by the Contracting Officer. Trees that are to be removed because of damage shall be replaced at the Contractor's expense by nursery-grown trees of the same species or a species approved by the Contracting Officer. The size and quality of nursery-grown trees shall also be approved by the Contracting Officer.

1.4.7.3 Location of Campsites, Storage and Other Facilities

Contractor's camps, storage and other construction buildings, located on Government property, which are required in the performance of the work, shall be located upon cleared portions of the jobsite or areas to be cleared, and shall require written approval of the Contracting Officer. The preservation of the landscape shall be an imperative consideration in the selection of all sites and in the construction of buildings. Plans showing campsites, storage and other facilities shall be submitted for approval of the Contracting Officer.

1.4.7.4 Temporary Excavation and Embankments

If the Contractor proposes to construct temporary roads or embankments and excavations for plant and/or work areas, he shall submit the following for approval prior to scheduled start of such temporary work:

(1) A layout of all temporary roads, excavations and embankments to be constructed within the work area.

(2) A landscape plan showing the proposed restoration of the area.

The plan shall provide for the obliteration of construction scars as such and shall provide for a reasonably natural appearing final condition of the area.

No unauthorized road construction, excavation or embankment construction (including borrow and disposal areas) will be permitted.

1.4.7.5 Post-Construction Cleanup or Obliteration

The Contractor shall obliterate all signs of temporary construction facilities such as haul roads, work areas, structures, foundations of temporary structures, stockpiles of excess or waste materials, or any other vestiges of construction as directed by the Contracting Officer. The area shall be restored to near natural conditions which will permit the growth of vegetation thereon. Except in specific cases, restoration to original contours will not be required; however, all restored areas shall be smoothly and evenly dressed and sloped to drain.

1.4.8 Water Pollution

The Contractor shall not pollute the waters of the river with fuels, oils, or other materials which would have an adverse effect on aquatic life or its habitat or degrade water quality for any protected beneficial use. It is the responsibility of the Contractor to investigate and comply with all applicable Federal, State, County, and municipal regulations concerning pollution of the river. All work under this contract shall be performed in such a manner that objectionable conditions will not be created. Disposal of any materials, wastes, effluent, trash, garbage, oil, grease, chemicals, etc., shall be subject to the approval of the Contracting Officer. If any waste material is dumped in unauthorized areas, the Contractor shall remove the material and restore the area to the condition of the adjacent undisturbed area.

1.4.9 Disposal

Disposal of any materials, wastes, effluents, trash, garbage, oil, grease, chemicals, etc., in areas adjacent to streams shall not be permitted. If any waste material is dumped in unauthorized areas, the Contractor shall remove the material and restore the area to the original condition before being disturbed. If necessary, contaminated ground shall be excavated, disposed of as directed by the Contracting Officer and replaced with suitable fill material, compacted and finished with topsoil, and planted as required to reestablish vegetation.

1.4.10 Protection of Fish and Wildlife

The Contractor shall at all times perform all work and take such steps required to minimize interference with or disturbance to fish and wildlife.

The Contractor will not be permitted to disturb native habitat adjacent to the project area which, in the opinion of the Contracting Officer, are critical to fish and wildlife.

1.4.11 Protection of Air Resources

Scrap, rubbish, domestic wastes and like materials generated during the construction of operations under this contract shall be treated and/or disposed of in a manner conforming with the Air Code of the Arkansas Department of Pollution Control and Ecology and Oklahoma Air Pollution Control and Ecology. OPEN FIRE BURNING WILL NOT BE PERMITTED. Disposal may be by burying with not less than 2 feet of earth cover, removal from the site, or other method proposed by the Contractor and approved by the Contracting Officer.

1.4.12 Maintenance of Pollution Control Facilities During Construction

During the life of this contract, the Contractor shall maintain all facilities constructed for pollution control under this contract as long as the operations creating the particular pollutant are being carried out or until operations become stabilized to the extent pollution is no longer being created. During the construction period, the Contractor should conduct frequent training periods on environment protection. The curricula should include methods of detecting and avoiding pollution, familiarity with pollution standards, both statutory and contractual; and installation and care of vegetative covers, plants, and other facilities to prevent and correct environment pollution.

1.5 PUBLIC UTILITIES AND PRIVATE IMPROVEMENTS

The Contractor's attention is directed to the possible existence of pipelines, public utilities, or private improvements which may be buried within the limits of the work or adjacent thereto. Care shall be taken to preserve and protect all such utilities and improvements from injury or damage during dredging operations. Utilities or improvements, whether buried or not, if inadvertently damaged by the Contractor's operations, shall be promptly repaired or replaced by the Contractor. The Contractor shall assume full responsibility for reimbursing the owners for any damage to their properties, utilities, or improvements, or interference with their services caused through his operations. The Contractor is not relieved from the responsibility set forth in Contract Clause: SITE INVESTIGATIONS AND CONDITIONS AFFECTING THE WORK, except as provided above.

1.6 PRE-AWARD SURVEY

1.6.1 OFFEROR’S QUALIFICATIONS

Before an offer is considered for award, the Offeror may be requested by the Government to submit a statement regarding his previous experience in performing comparable work, his business and technical organization, financial resources, and plant available to be used in performing the work.

1.6.2 INSPECTION OF PLANT

As part of the pre-award survey of the apparent low bidder the Contracting Officer or his duly authorized representative will inspect the plant at any point designated by the bidder to determine whether or not the plant, including all attendant plant and required accessories, is suitable and in satisfactory operating condition to perform the work. The bidder shall demonstrate by an actual operational performance that all equipment and machinery on the dredge and attendant plant are in good operating condition.

This operational performance will cover a maximum of two hours of successful operation of the dredge and attendant plant. Adequate pipeline or other device shall be connected to the dredge to allow the dredge engines and pumps to be operated at the continuous rated brake horsepower while pumping water.

Unless otherwise directed by the Contracting Officer, this inspection will be made prior to the close of business on the third working day following the date of bid opening. If at the time of his inspection it is determined that the dredge and attendant plant do not meet the specification requirements or do not perform satisfactorily, the Government reserves the right to determine the bidder non-responsible. Any dredge and/or plant proposed for use by the Contractor in performing work under this contract shall be subject to the above performance test and requirements. The completed Dredge Data Sheet must be submitted to the Contracting Officer within 2 days of bid opening.

1.6.3 UNBALANCED BIDS

The Government may reject an offer as nonresponsive if it is materially unbalanced. An offer is unbalanced when one or more unit prices are significantly less than the cost for the work and/or one or more unit prices are significantly more than the cost for the work.

1.7 PRE-DREDGING CONFERENCE

After award of contract, a pre-dredging conference will be held at such time and location as determined by the Contracting Officer or his duly authorized representative for purposes of discussing and developing mutual understanding between Government Personnel and the Contractor's representatives regarding the terms, conditions, and requirements of the contract. The discussion will include but will not be limited to the following:

(1) Contracting parties project staff.

(2) Correspondence between organizations and procedures to be followed.

(3) Safety Program.

(4) Environment Pollution Control Program.

(5) Quality Control/Quality Assurance

(6) Other subjects that may be of interest to the contracting parties.

1.8 UTILITIES AND CONTRACTOR'S WORK AND STORAGE AREA

Utilities will not be furnished by the Government. The Contractor's work and storage area will be assigned by the Contracting Officer.

PART 2 PRODUCTS (NOT USED)

PART 3 EXECUTION (NOT USED)

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SECTION 02482 - DREDGING

1.1 SCOPE OF DREDGING

The Contractor shall furnish and use a cutter-head dredge complete with attendant plant for performance of maintenance dredging in designated areas located between Navigation Miles 0 and 444.8 on the McClellan-Kerr Arkansas River Navigation System.

1.1.1 DURATION OF CONTRACT.

The contract duration is 60 months (1 Base Year with 4 Option Years). The Government may extend the term of this contract by written notice to the Contractor within 30 days; provided that the Government gives the Contractor a preliminary written notice of its intent to extend at least 90 days before the contract expires. The preliminary notice does not commit the Government to an extension.

1.2 SUBSTITUTION OF DREDGE AND/OR ATTENDANT PLANT

The Contractor shall submit a written request to the Contracting Officer for approval to substitute any dredging equipment, including dredge, plant, etc., for the dredging equipment that was inspected and approved for use to perform work on this contract.

1.3 MEASUREMENT AND PAYMENT

1.3.1 Mobilization and Demobilization

Mobilization for dredge and attendant plant will be paid for at the contract sum job price for Contract Line Item Number (CLIN 0001) "Mobilization", of the bidding schedule which price and payment thereof shall constitute full compensation for the mobilization of all the Contractor's dredging plant and equipment as specified in CLAUSE: MOBILIZATION AND DEMOBILIZATION.

Mobilization will be paid upon issuance of Notice To Proceed under the Basic Period of the Contract and shall consist of all work required in preparing the Contractor's dredging plant and equipment for shipment, moving dredge, attendant plant, equipment, labor supplies, and incidentals to the jobsite and making ready for dredging. The Contractor's plant and equipment to be used in performing the work will be subject to approval by the Contracting Officer.

Demobilization shall consist of all work required to prepare plant and equipment for return trip and removing all plant, equipment, unused labor supplies, and incidentals from the jobsite at the completion of the contract work, including cleaning up any land-based staging site used in the prosecution of the work. Demobilization will be paid at the completion of the contract period. (CLIN 0010, 1010, 2010, 3010, or 4010) Demobilization will be paid upon completion of the last fully exercised option of the contract.

1.3.2 Dredging

Payment for dredging will be made at the contract unit price per station for CLIN 0002, CLIN 1002, CLIN 2002, CLIN 3002, and CLIN 4002 multiplied by the appropriate factor as determined by the actual pipeline length and actual lift, from the following chart:

LIFT, FT

PIPELINE LENGTH, FT │ 0 to 25 │ 25 to 60 │ 60 to 90 5OO to 3,500 │ 1.00 │ 1.12 │ 1.24 3,500 to 6,000 │ 1.13 │ 1.25 │ 1.37 6,000 to 8,000 │ 1.21 │ 1.33 │ 1.45

1.3.2.1 Quantity Surveys

The Government will make original and final surveys at approximately 100-foot intervals and at the ends of dredge cuts which do not fall at 100-foot intervals. From these surveys the Government will compute the quantity of work performed. The original survey of a station in each cut will be performed no more than 2 days prior to dredging and the final survey of a station in each cut will be performed no more than 2 days after the discharge line has cleared the station. Unless requested by the Contractor in each specific case, quantity surveys made by the Government will be performed without a representative of the Contractor's supervisory personnel being present.

1.3.2.2 Equipment and Computations

The single-beam transducer and/or multi-beam transducer will be used for measurement of soundings. HYPACK software and/or other software will be used for measuring cross sectional area. A copy of the original survey data, computations, and records may be furnished to the Contractor upon request.

1.3.2.3 Stations

For pay purposes a station of dredging is equivalent to 100 feet of advance by the dredge in a cut that averages 150 feet in width at the base of the cut and averages 3 feet of depth; see Figure 1 at the end of this section. The number of stations of dredging will be measured and calculated to the nearest one-tenth (0.1). The minimum payment for an advance of 100 feet will be 1.00 station.

1.3.2.4 Formulas

Refer to Figure 1 at the end of this section. Normally the number of stations dredged will be computed by Formula No. 1. The conditions for using Formulas Nos. 2 or 3 are given below:

(Formula No. 1) No. of Stations = (A+B) X L 900 100

(Formula No. 2) No. of Stations = 1 X L

(Formula No. 3) No. of Stations = X+Y X L 300 100

(1) If X+Y is LESS THAN OR EQUAL TO 150 FEET use Formula No. 2 if it gives a value greater than Formula No. 1. The intent of Formula No. 2 is to allow payment for one station of dredging when less than one station of dredging is available above the acceptance prism.

(2) If X+Y is GREATER THAN l50 FEET use Formula No. 3 if it gives a value greater than Formula No. 1. The intent of Formula No. 3 is to allow for payment of one station of dredging per 150 feet of specified cut width when less than one station of dredging is available above the acceptance prism per 150 feet of width.

1.3.3 Preparation of Dredge and Attendant Plant for Moving or Dredging Preparation for moving from one work assignment, and preparation for dredging at another work assignment, will each be paid for at the contract price for the subdivided item. Contractor will receive one (1) "Preparation of Dredge and Attendant Plant for Moving or Dredging" (CLIN 0003, CLIN 1003 CLIN 2003, CLIN 3003, and CLIN 4003) per return from Long-Term Standby basis. Payments for "Preparation of Dredge and Attendant Plant for Moving or Dredging" will not be made when the distance traveled between work assignments is less than one (1) mile. No separate payment will be made for transporting, placing, and removing channel markers, and the costs thereof will be considered as subsidiary work performed under CLIN 0003, CLIN 1003 CLIN 2003, CLIN 3003, and CLIN 4003.

1.3.4 Moving Between Assignments

Moving from one work assignment to another work assignment will be paid for at the applicable contract unit price per navigation mile. Per mile payment for moving from standby status to the next work assignment shall be for the distance between the previous dredging area and the new work assignment.

Measurement of distance moved between assignments will be computed from the ending point (Navigation Mile) of the Contractor's previous work site under this contract to the starting point (Navigation Mile) of the next assignment under this contract. Payments for "Moving Between Assignments In Upstream Direction" (CLIN 0004, CLIN 1004, CLIN 2004, CLIN 3004, and CLIN 4004) and “Moving Between Assignments In Downstream Direction" (CLIN 0005, CLIN 1005, CLIN 2005, CLIN 3005, CLIN 4005) will not be made when the distance traveled between work assignments is less than one (1) mile. Mileage will be determined to the nearest one-tenth (0.1) mile from the navigation charts.

1.3.5 Laying Shore Pipe

Payment for laying shore pipe will be made at the contract unit price per linear foot for, "Laying Shore Pipe" (CLIN 0006, CLIN 1006, CLIN 2006, CLIN 3006, and CLIN 4006) of the bidding schedule, which prices and payments thereof shall constitute full compensation for the total lengths of shore pipe laid at all work assignment locations in the bid schedule including all labor, materials, and incidentals required, complete.

1.3.6 Standby

1.3.6.1 Suspension of Dredging

The Contracting Officer or his duly authorized representative reserves the right to suspend operations whenever, in his opinion, dredging is not needed, or river or other conditions make dredging operations impracticable or uneconomical. Such periods of suspension of operations, when ordered by the Contracting Officer, will be considered as Standby (Long-Term or Short-Term described as follows) and will be paid for as specified in Paragraph 1.3.6.2:

Payment.

(1) Short-Term Standby Status: During Short-Term Standby status the dredge and attendant plant shall remain at the present worksite and no work will be performed for others. When on a Short-Term Standby status, the dredge and attendant plant shall proceed to the next work assignment not later than 24 hours after notice of work assignment is given.

(2) Long-Term Standby Status: Long-Term Standby status means an unmanned condition, except for security and management personnel. While on Long-Term Standby status, the Contractor may request permission to perform work for others. During the period that work is being performed for others, payment for Long-Term Standby will not be made. When placed under Long-Term Standby status, the Contractor will be given a maximum of l0 calendar days to mobilize at the site of work. The Contractor may be placed in a Long-Term Standby status more than once during this contract.

1.3.6.2 Payment

When the dredge is placed on Standby as specified above, payments will be made at the contract price for (CLIN 0007, CLIN 1007, CLIN 2007, CLIN 3007, and CLIN 4007) for Short-Term Standby, or (CLIN 0008, CLIN 1008, CLIN 2008, CLIN 3008, CLIN 4008) for Long-Term Standby, as applicable. Payment for Standby time shall end upon notification by the Contracting Officer of the next work assignment.

1.3.7 Passage of Vessels

When the Contractor is required to completely move the dredge from the area of the cut to pass vessels, payment for moving will be made at the contract unit price per each vessel passed for (CLIN 0009, CLIN 1009, CLIN 2009, CLIN 3009, and CLIN 4009), "Passage of Vessels". The price and payment thereof shall constitute full compensation for all costs associated with the passage of vessels. No further compensation will be allowed for disconnecting the discharge pipe, raising the anchors, raising the cutter-head and spuds, moving the dredge from the area of the cut, moving the dredge back to the cut, and setting up to resume dredging after the vessel(s) passes. Merely disconnecting the discharge pipe and/or moving the dredge to the side of the cut does not constitute work to be paid for under this item. The name(s) of the vessel(s), tow size(s), and beginning and ending time of passage will be reported on the Contractor's Shift Report.

1.3.8 Number of Dredges

These specifications are written on the basis of the Contractor utilizing one dredge. Should the Contractor pursue the work with more than one dredge, payment under all CLIN’s will be limited to quantities incurred had only one dredge been utilized.

1.3.9 Cumulative Measurement of Quantities

Measurement for payment of all CLIN’s shall be made on a cumulative total basis and not on a per delivery order basis.

1.3.10 Guaranteed Minimum

Payment will be made for the Guaranteed Minimum at the end of the contract period in the event no delivery orders are issued.

1.4 DELIVERY OF PLANT AND ORDER OF WORK

The Contractor shall mobilize the dredge with attending personnel and attendant plant to Navigation Mile 222.0 or a mutually agreed upon Navigation Mile upon issuance of a Notice to Proceed and the first Delivery Order of work on the McClellan-Kerr Arkansas River Navigation System. The Contractor shall be able to move the dredge and attendant plant to work locations in river flows up to 150,000 cfs on the Arkansas River portion of the navigation system, N.M. 19.0 to N.M. 395.0, in river flows up to 25,000 cfs on the Verdigris River portion of the navigation system, N.M. 395.0 to N.M. 444.8, and in current velocities of 10 feet per second on the White River portion of the navigation system, N.M. 0.0 to N.M. 9.8. River flows refer to the mean daily flow within the reach in question as determined by the Little Rock District Reservoir Control Section and the Tulsa District Water Management Section. Current velocities refer to the surface velocity acting on the specific piece of equipment in question as measured with a current meter by Government survey crew. The order of work to be done under this contract is determined by constantly changing river stages, shoaling changes and other conditions, and therefore cannot be determined until the need for work arises. If multiple dredging locations are identified within a delivery order, they may be upstream or downstream and may not be at consecutive locations. Upon completion of work at any dredging location the Contractor must immediately proceed and initiate dredging at the next assigned dredging location. Repetitive assignments may be required at the same location.

Assignment of dredging locations will be dependent upon river stages, shoaling rates and channel conditions. These dredging locations will be determined and assigned by the Contracting Officer or his duly authorized representative. Assignment of the succeeding dredging locations will be made as early as possible, but assignments may be changed at any time without prior notice. The Contractor may be required to stop work at any time prior to delivery order completion.

1.5 REQUIRED RATE OF PROGRESS

Due to the importance of maintaining a navigable channel, the possibility of rapidly fluctuating channel conditions and the time involved in procuring and having a dredge on site, it is essential that the Contractor maintain a satisfactory rate of progress. The Contractor is required to complete 7 calendar days of work during any 10 calendar day period, as computed by application of the following formula:

No. of Days = No. of Stations + Miles Moved + No. of Preparations N 50 2 + Feet of Shore Pipe Laid + Standby Time + Excusable Delays.

2,000

N = 3, 4, or 6, depending on pipeline length and/or lift (See Paragraph 1.7:

SIZE OF PLANT)

1.6 CONTROL OF PLANT

1.6.1 Contracting Officer

The entire lot of plant included in the contract shall be under the control of the Contracting Officer or his representatives with regard to the location of work, work to be done, locations for placing dredged material within the disposal areas, etc.

1.6.2 Contractor

The supervision and direction of dredging operations shall be the responsibility of the Contractor. The Contractor, or a representative with full authority to act for him with reference to care and operation of the plant, shall be on the site of the work at all times.

1.7 SIZE OF PLANT

Each dredge shall be capable of the minimum output shown below per 24-hour day (21 hours pumping time) for the pipeline lengths and lifts shown:

Min. Output Pipeline Lengths (Ft.) Lifts (Ft.)

6 Stations 500 to 3,500 ----- AND --- 5 to 25 4 Stations 3,500 to 6,000 ----- OR --- 25 to 60 3 Stations 6,000 to 8,000 ----- OR --- 60 to 90

The dredge shall be proportioned to make a dredging cut of 150 feet minimum width at a depth of 12 feet below navigation pool in a single pass. The dredging ladder and spuds shall be of sufficient length and construction that the dredge will dig efficiently in material to a depth of 30 feet below the water surface and in current flows ranging from zero to 6 feet per second.

The ladders and spuds shall be of such construction as to allow the dredge to work effectively in 9 feet of water without dragging the ladder. The Contractor shall have available for use at all times a variety of interchangeable pump impellers to permit the dredge to work under varying conditions of length of discharge line and lift. The draft of the dredge shall not exceed 9 feet.

1.8 ATTENDANT PLANT

1.8.1 Pipelines

The attendant plant shall include as a minimum the following pipelines:

2,500 feet of pontoon discharge line and connections for operation in reasonably shallow water, and 5,500 feet of suitable shore pipe.

1.8.2 Current Velocities

The dredge shall be capable of working in current velocities up to 6 feet per second. The discharge line and attendant plant shall be capable of working in velocities up to 10 feet per second.

1.8.3 Visibility

Any dredge used on this contract shall be so equipped that it can continue work when visibility is restricted by fog or other cause.

1.8.4 Communication at Point of Discharge

The dredge shall be equipped with radios or telephones and with lines as necessary to provide for oral communication between the dredge and point of discharge.

1.8.5 Marine Radio

Each dredge, dredge tender, and towing vessel shall be equipped with two-way VHF-FM Marine Band Radios for use of "Safety and Calling" channel 16 (frequency 156.8 mhz), operating channel 14 (frequency 156.7 mhz), "Bridge to Bridge" channel 13 (frequency l56.65 mhz), and operating channel 12 (frequency 156.6 mhz). When not being used to receive or transmit a message, radios shall simultaneously monitor channels 13 and 16.

1.8.6 Positioning System

1.8.6.1 The Contractor shall furnish, operate and maintain a Differential Global Positioning System (DGPS) to provide dredge positioning and alignment in the various dredging assignments of this contract. The system shall utilize DGPS equipment in conjunction with the U.S. Coast Guard Radio Beacon DGPS Network to provide real time positioning using NAD 83 State Plane Coordinates. The Contractor will be provided NAD 83 State Plane Coordinates for the start, end, and way point stations at the centerline of each dredging cut.

1.8.6.2 The dredge shall be equipped with a Distance Measuring Unit equal to an EDM TopCon DM-AZ, as a back-up for the DGPS system.

1.8.7 Automatic Identification System (AIS)

The contractor's vessels shall comply with the AIS requirements indicated in 33 CFR 164.46. In addition to this requirement, all non-self-propelled dredges and primary support vessels shall each be equipped with Class A AIS.

PART 2 PRODUCTS (NOT USED)

PART 3 EXECUTION

3.1 EXCAVATION

3.1.1 Limits of Each Area to be Dredged

The Contractor shall remove all material within the "base dredging prism" (described in Paragraph 3.2.1: Base Dredging Prism) to the extent specified in Paragraph 3.2: LIMITS FOR ACCEPTANCE AND PAYMENT FOR DREDGING and to the upstream and downstream limits established by the Contracting Officer at each specific area to be dredged.

3.1.2 Cross-Section of Dredging Site

The bottom width, bottom grade, and side slopes (lV on 3H unless otherwise specified) of designated dredging areas will be as specified by the Contracting Officer, and the Contracting Officer will have the option of adjusting the bottom width, bottom grade, and/or side slopes as dictated by channel and shoaling conditions at the dredging site.

3.1.3 Repeat Dredging

Dredging at any one location may be required several times during the course of the contract, and dredging depths may vary for any dredging operation at the same location.

3.1.4 Foreign Material

Logs, stumps and other debris may be encountered and shall be removed at no additional cost to the Government.

3.2 LIMITS FOR ACCEPTANCE AND PAYMENT FOR DREDGING

(Refer to Figure 2 at the end of this section for acceptance and payment limits.)

3.2.1 Base Dredging Prism

The bottom grade, bottom width, and side slopes (lV on 3H unless otherwise specified) as specified by the Contracting Officer represents the "base dredging prism" for areas to be dredged (See Figure 2 at the end of this section).

3.2.2 Tolerance

To allow for inaccuracies of the dredging process, material shall be removed (from the specific areas to be dredged) to a grade that is within 0.5 foot measured vertically upward or downward from the base dredging prism except as permitted in 3.2.6: Toe of Side Slopes. Material removed to within these limits will be measured and paid for at the applicable contract unit price for dredging (CLIN 0002 and Paragraph 1.3.2: Dredging).

3.2.3 Acceptance Prism

The upper tolerance limits, that is: 0.5 foot measured vertically upward from the base dredging prism, represents the "acceptance prism" (see Figure 2 at the end of this section). Except as specified in Paragraph 3.2.6: Toe of Side Slopes, all material above the acceptance prism shall be removed prior to acceptance of any dredged area or increment thereof, normally between adjacent cross-sections. If any dredged areas upon being surveyed prior to acceptance, contains material above the acceptance prism, except as specified in Paragraph 3.2.6: Toe of Side Slopes, the Contractor shall re-dredge the deficient area before any survey covering the deficient area will be made for pay purposes.

3.2.4 Payment Prism

The lower tolerance limit, that is: 0.5 foot measured vertically downward from the base dredging prism, represents the "payment prism". No payment will be made for material removed below the payment prism except as provided in Paragraph 3.2.5: Side and End Slopes, which is related to side slope excavation (see Figure 2 at the end of this section).

3.2.5 Side and End Slopes

Material actually removed to provide for final side slopes not flatter than 1V on 3H (unless otherwise specified by the Contracting Officer) but not in excess of the amount originally lying above the side slopes of the payment prism will be paid for, whether dredged in original position or by dredging a space below the payment prism at the bottom of the slope for upslope material capable of falling into the cut. This provision also applies to end slopes.

3.2.6 Toe of Side Slopes

Any material remaining above the acceptance…