North_Fork_-_SpecialProjectSpecs.pdf

AG-64R4-S-16-0009

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North Fork Access Project

Mark Twain National Forest Service

Ava-Cassville-Willow Springs Ranger District

Special Project Specifications

Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-03, as Modified by U.S. Forest Service

Special Project Specifications

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Table of Contents

Table of Contents Preface 101 - Terms, Format, and Definitions 102 - Bid, Award, and Execution of Contract 103 - Scope of Work 104 - Control of Work 105 - Control of Material 106 - Acceptance of Work 107 - Legal Relations and Responsibility to the Public 108 - Prosecution and Progress 109 - Measurement and Payment 152 - Construction Survey and Staking …………………………………………………22 153 - Contractor Quality Control ………………………………………………………. 27 154 - Contractor Sampling and Testing ……………………………………………….. 28 155 - Schedules for Construction Contracts 156 - Public Traffic 157 - Soil Erosion Control 171 - Weed and Disease Prevention 201 - Clearing and Grubbing ………………………………………………………… 38 203 - Removal of Structures and Obstructions 204 - Excavation and Embankment 251 - Riprap 301 - Untreated Aggregate Courses 403 - Hot Asphalt Concrete Pavement 554 - Reinforcing Steel ………………………………………………………………… 52 584 - Log Structures …………………………………………………………………… 53 601 - Minor Concrete Structures ………………………………………………………. .61 602 - Culverts and Drains 615 - Sidewalks ……………………………… 624 - Topsoil …………………………………………………………………………… 69 625 - Turf Establishment 633 - Permanent Traffic Control ………………………………………………………...73 634 - Permanent Pavement Markings ………………………………………………….. 74 635 - Temporary Traffic Control 703 - Aggregate 704 - Soil ……………………………………………………………………………….. 77 705 - Rock ……………………………………………………………………………… 78 709 - Reinforcing Steel and Wire Rope …………………………………………………81 712 - Joint Material …………………………………………………………………….. 82 713 - Roadside Improvements materials .…………………………………………… 714 - Geotextile and Geo composite drain material.…………………………………… 84

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Preface

Delete all but the first paragraph and add the following:

The Forest Service, US Department of Agriculture has adopted FP-03 for construction of National Forest System Roads and other aspects of the North Fork Access Project.

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101 - Terms, Format, and Definitions

101.01 Meaning of Terms

Delete all references to the TAR (Transportation Acquisition Regulations) in the specifications.

101.03 Abbreviations.

Add the following to (a) Acronyms:

AFPA

MSHA

NIST

NESC

WCLIB

American Forest and Paper Association Mine Safety and Health Administration National Institute of Standards and Technology National Electrical Safety Code West Coast Lumber Inspection Bureau

Add the following to (b) SI symbols:

mp Milepost ppm Part Per Million

101.04_nat_us_03_29_2007

101.04 Definitions.

Delete the following definitions and substitute the following:

Bid Schedule--The Schedule of Items.

Bridge--No definition.

Contractor--The individual or legal entity contracting with the Government for performance of prescribed work. In a timber sale contract, the contractor is the “purchaser”.

Culvert--No definition.

Right-of-Way--A general term denoting (1) the privilege to pass over land in some particular line (including easement, lease, permit, or license to occupy, use, or traverse public or private lands), or (2) Real property necessary for the project, including roadway, buffer areas, access, and drainage areas.

http://www.nist.gov/

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Add the following:

Adjustment in Contract Price--“Equitable adjustment,” as used in the Federal Acquisition Regulations, or “construction cost adjustment,” as used in the Timber Sale Contract, as applicable.

Change--“Change” means “change order” as used in the Federal Acquisition Regulations, or “design change” as used in the Timber Sale Contract.

Design Quantity--“Design quantity” is a Forest Service method of measurement from the FS-96 Forest Service Specifications for the Construction of Roads and Bridges.

Under these FP specifications this term is replaced by the term “Contract Quantities”.

Forest Service--The United States of America, acting through the Forest Service, U.S.

Department of Agriculture.

Neat Line--A line defining the proposed or specified limits of an excavation or structure.

Pioneer Road--Temporary construction access built along the route of the project.

Purchaser--The individual, partnership, joint venture, or corporation contracting with the Government under the terms of a Timber Sale Contract and acting independently or through agents, employees, or subcontractors.

Protected Streamcourse--A drainage shown on the plans or timber sale area map that requires designated mitigation measures.

Road Order--An order affecting and controlling traffic on roads under Forest Service jurisdiction. Road Orders are issued by a designated Forest Officer under the authorities of 36 CFR, part 260.

Schedule of Items--A schedule in the contract that contains a listing and description of construction items, quantities, units of measure, unit price, and amount.

Utilization Standards--The minimum size and percent soundness of trees described in the specifications to determine merchantable timber.

Add Figure 101-1—Illustration of road structure terms:

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Figure 101-1—Illustration of road structure terms.

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102 - Bid, Award, and Execution of Contract

102 Bid, Award, and Execution of Contract

Delete Section 102 in its entirety.

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103 - Scope of Work and Special Conditions

Change Title from 103 – Scope of Work to 103 - Scope of Work and Special Conditions

Deletions

Delete all but subsection 103.01 Intent of Contract.

Add the following paragraphs:

103.2 Scope of Work

The contractor shall provide all labor, supervision, materials, plant, and sampling/testing to perform all work in accordance the plans, specifications and other contract requirements. The major items include, but are not limited to:

1. Performing preliminary construction staking and delineating the clearing limits.

2. Identifying trees the government has identified to be removed and salvaged for log jam construction and identifying with the Contracting Officer trees to remain and be protected during clearing and grubbing operations.

3. Placement of temporary traffic control signage.

4. Clearing and grubbing and conservation of topsoil. Backfill depressions or holes left by rootwad trees taken from locations outside site grading limits.

5. Harvest, haul and stock pile trees to be used for log jam construction which are located within the boundary of the North Fork Recreation Area.

6. Establishing erosion control measures.

7. Excavation and embankment work for a pull off along the main access road (FS Road 805), new boat ramp loop road, parking areas and new boat ramp location. The existing boat launch and play area shall remain open during construction of these items.

8. Scarifying and compaction of the raw subgrade.

9. Placement and compaction of fill material, rough grading and approval of the subgrade.

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10. Construction of the rock lined ditch, placement of culverts, culvert flared ends, and construction of other drainage features.

11. Placement and compaction of aggregate base material (MoDOT Class 5) finish grading, and approval of the base course.

12. Placement of MoDOT Grade 4, gradation A, drainage aggregate base under the articulating concrete mats and concrete planks at the new boat ramp location.

13. Construction of a new boat ramp and all concrete work associated with the new boat ramp, placement of articulating concrete mats, ballast blocks and associated riprap and other construction features.

14. Rock placement including riprap, slab rock, channel rock, rockery for retaining wall, and anchor rock.

15. All other work required to open the new boat ramp to the public for temporary use.

Maintain the road, parking area, and boat ramp until final acceptance.

16. Demolition, clearing, grubbing of the existing boat ramp and surrounding area as shown on the demolition plans.

17. Excavation, placement of compacted fill, aggregate base, and riprap in the area of the existing boat ramp, existing parking lot and play area.

18. Perform all finish grading to ensure site drainage is functioning as intended (all areas).

Perform all finish grading and seek approval of base prior to commencing with paving operations.

19. Construct concrete sidewalks (accessible route to play area and 17 feet sidewalk extension from the existing CXT toilet to the new loop entrance road.

20. Place and compact hot mix asphalt concrete (MoDOT BP-1).

21. Place signs, bollards, gates, and all other construction features that remain.

22. Complete striping of the roadways and parking areas.

23. Place topsoil, seed and mulch. Water and maintain turf until vegetative cover is established and accepted.

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24. Harvest from a location approximately 20 miles from the project site 17 root wad trees required for logjam construction. Haul and stock pile at the designated area on site.

Backfill depressions or holes left by rootwad trees removed.

25. Construct logjams at designated sites along the North Fork of the White River.

103.3 Phasing and Sequencing of the work

At all times except for during paving operations or with prior approval from the Contracting Officer, the public shall have access to either the existing boat ramp or new boat ramp to launch rafts, boats, and wade in the water. In general, the new boat ramp, parking area and loop road shall be constructed prior to decommissioning/closing of the existing boat ramp. The new boat ramp will be open to the public once the base course is laid and accepted. The contractor shall maintain the road, parking area, and boat ramp until pavement is placed and final acceptance.

Log structures or the articulating concrete mats shall not be placed during elevated flow conditions. Placement without dewatered conditions requires low to normal flow conditions.

103.3.1 Notification Requirement

Prior to any instream work on the ramp, staging area, banks or log structures the Contractor shall provide the Contracting Officer with 14 days advance notice. Log structures shall be placed during a period of low flow normally between July and October.

103.3.2 Work Limitations and Restrictions

No instream work will be permitted between October 1 and February 15 because of Fish and Wildlife Service requirements for protection of the endangered species and the Forest Plan Standard to protect spawning trout.

Dewatering is not required; as a result the work will require placing some of the concrete planks, articulating concrete mats, base drainage aggregate, rock, and ballast blocks in a wet and/or underwater condition. Workers may require snorkeling/diving equipment or other methods in order to make concrete plank connections, clamping the articulating mats to each other and leveling the base aggregate. It would be beneficial for the Contractor to perform this work during low water conditions, which typically occur between July 1 and September 30. Also the Contractor should avoid working during predicted rain events.

The contractor in accordance with FAR Clause 52.236-3 Site Investigation and Conditions Affecting the Work is responsible for investigating site conditions and other conditions affecting the work and considering these conditions when determining their price proposal. No additional costs shall be provided for conditions that could have reasonably been determined.

Dewatering approval. - Should the contractor chose to dewater, these costs shall be built into the Contractor’s lump sum bid proposal, no separate allowance will be provided for dewatering.

Also the Contractor shall submit a detailed dewatering plan for review and Contracting Officer approval. The Contractor is responsible for securing any permits or regulatory approvals.

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103.4 Work Hours

Except when approved in advance by the COR, the contractor shall limit his work operations to Monday – Friday between the hours of 6:00 AM and 6:00 PM, with no work performed on Federal Holidays. The contractor may request deviations from this schedule from the Contracting Officer with 72 hours advance notice. It is the sole discretion of the Government on whether to grant work schedule deviations from those stated above.

103.5 Site cleanup

Daily, before leaving the site, the contractor shall perform a general policing of the area and properly dispose of trash, debris, and put away tools and ensure equipment is secured. Any items which may be a safety concern to the public shall be corrected before leaving for the day.

Every Friday before leaving for the weekend, a more through policing and cleanup shall be performed. All safety barriers and temporary signage shall be in place. Equipment and tools shall all be put away and secured. Trash shall be removed from the site. Erosion control measures shall be inspected and in place.

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104 - Control of Work

Deletions

Delete Sections 104.01, 104.02, and 104.04.

104.03 Specifications and Drawings.

(c) As-Built-Plans. Furnish one set of as built plans. The Government will provide one set of contract plans to be used exclusively for recording the as-built details of the project.

Use red pencil or red ink to record the information on the as-built plans.

Note all additions or revisions to the location, character, and dimensions of the prescribed work shown on the contract plans. Line out all details shown that are not applicable to the completed work. Check off details shown that were incorporated into the completed work without change.

Retain the plans at the project site and, as work progresses, continually update them to reflect the as-built details. Upon request, make the plans available to the CO to review for compliance with these specifications.

Show the following types of changes on the as-built plans:

(1) Typical section(s)

(a) Revisions in dimensions

(b) Revisions in materials

(2) Plan and profile

• Revisions to the alignment

• Changes in the construction limits

• Revisions in location, type, and grade of road approaches

• Location and type of utilities

• Location, size, and type of underdrains

• Skew of culverts

• Channel changes

• Location of monuments and permanent references

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• Elevations for all aerial and underground crossings of utilities

• Location, length, and type of fencing

• Revisions to grades, elevations, and stationing of intersection PIs

• Equations

• Culvert diameter, length, type, and stationing. On culvert extensions, indicate the length of the existing pipe and the length of the extension.

• Location, length, stationing, and type of retaining walls

• Location, length, stationing, and end treatment of guardrail

Furnish the as-built working plans to the CO before the final inspection. Correct all details found during the final inspection that are not shown on the as-built plans and return to the CO within 5 days.

Add the following subsection:

104.06 Use of Roads by Contractor

The Contractor is authorized to use roads under the jurisdiction of the Forest Service for all activities necessary to complete this contract, subject to the limitations and authorizations designated in the Road Order(s) or described in the contract, when such use will not damage the roads or national forest resources, and when traffic can be accommodated safely.

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105 - Control of Material

105.02 Material Sources.

105.02(a) Government-provided sources.

There are no Government provided sources for material, except as specifically described in other sections.

105.02(a) Contractor-provided sources.

All material (e.g., soil, gravel, sand, borrow, aggregate, etc.) transported onto National Forest System land or incorporated into the work will be weed-free. The Contracting Officer may request written documentation of methods used to determine the weed-free status of any and all materials furnished by the contractor. Contractor-provided expertise and methods to establish weed-free status must be appropriate for the weeds of concern in the local area. The following applies to this contract:

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106 - Acceptance of Work

106.01 Conformity with Contract Requirements.

Delete Subsection 106.01 and substitute the following:

Follow the requirements of FAR Clause 52.246-12 Inspection of Construction.

References to standard test methods of AASHTO, ASTM, GSA, and other recognized standard authorities refer to the methods in effect on the date of solicitation for bids.

Perform all work to the lines, grades, cross-sections, dimensions, and processes or material requirements shown on the plans or specified in the contract.

Incorporate manufactured materials into the work according to the manufacturer’s recommendations or to these specifications, whichever is more strict.

Plan dimensions and contract specification values are the values to be strived for and complied with as the design values from which any deviations are allowed. Perform work and provide material that is uniform in character and reasonably close to the prescribed value or within the specified tolerance range. The purpose of a tolerance range is to accommodate occasional minor variations from the median zone that are unavoidable for practical reasons.

When standard manufactured items are specified (such as fence, wire, plates, rolled shapes, pipe conduits, etc., that are identified by gauge, unit mass, section dimensions, etc.), the identification will be considered to be nominal masses or dimensions. Unless specific contract tolerances are noted, established manufacturing tolerances will be accepted.

The Government may inspect, sample, or test all work at any time before final acceptance of the project. When the Government tests work, copies of test reports are furnished to the Contractor upon request. Government tests may or may not be performed at the work site.

If Contractor testing and inspection is verified by the Government, the Contractor’s results may be used by the Government to evaluate work for acceptance. Do not rely on the availability of Government test results for process control.

Four methods of determining conformity and accepting work are described in Subsections

106.02 to 106.05 inclusive. The primary method of acceptance is specified in each Section of work. However, work may be rejected at any time it is found by any of the methods not to comply with the contract.

Remove and replace work that does not conform to the contract, or to prevailing industry standards where no specific contract requirements are noted, at no cost to the Government.

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(a) Disputing Government test results. If the accuracy of Government test results is disputed, promptly inform the CO. If the dispute is unresolved after reasonable steps are taken to resolve the dispute, further evaluation may be obtained by written request. Include a narrative describing the dispute and a proposed resolution protocol that addresses the following:

(1) Sampling method;

(2) Number of samples;

(3) Sample transport;

(4) Test procedures;

(5) Testing laboratories;

(6) Reporting;

(7) Estimated time and costs; and

(8) Validation process.

If the evaluation requires additional sampling or testing be performed, mutually agree with the Government on witnessing procedures and on sampling and testing by a third party laboratory. Use a third party laboratory accredited by the AASHTO accreditation program. Provide proof of the laboratory’s accreditation for the test procedures to be used. Do not use the same laboratory that produced the disputed Government test results or that produced the test results used as a basis for the dispute.

The CO will review the proposed resolution protocol and may modify it before final approval and execution.

The Government will use the approved resolution protocol test results to determine the validity of the disputed testing. If the Government test results are validated, the Contractor will be responsible for all costs associated with developing and performing the resolution protocol. If the Government test results are not validated, the Government will be responsible for all costs associated with developing and performing the resolution protocol. If the validity of the Government test results cannot be determined, the Contractor and Government will equally share all costs associated with developing and carrying out the resolution protocol.

(b) Alternatives to removing and replacing non-conforming work. As an alternative to removal and replacement, the Contractor may submit a written request to:

(1) Have the work accepted at a reduced price; or

(2) Be given permission to perform corrective measures to bring the work into conformity.

The request must contain supporting rationale and documentation. Include references or data justifying the proposal based on an evaluation of test results, effect on service

- 17 -life, value of material or work, quality, aesthetics, and other tangible engineering basis. The CO will determine disposition of the nonconforming work.

106.05 Statistical Evaluation of Work and Determination of Pay Factors Delete the entire subsection

106.07 Delete subsection 106.07.

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107 - Legal Relations and Responsibility to the Public

107.01 Laws to be observed

Add the following;

Comply with all requirements stated in the United States Army Corps of Engineers permit issued for the project.

107.04 Railroad Protection

Delete the entire subsection

107.05 Responsibility for Damage Claims.

Delete the entire subsection.

107.06 Contractor’s Responsibility for Work.

Delete the following from the first paragraph.

“Except as provided in Subsection 106.07”.

107.08 Sanitation, Health, and Safety.

Perform all operations in a prudent, conscientious, safe and professional manner. Ensure that all personnel involved in handling and packaging the hazardous waste are trained for the level of expertise required for the proper performance of the task and, in particular, in the areas of chemical incompatibility, general first aid procedures, and spills. Provide handling and personal protective equipment appropriate to ensure safe handling of the hazardous waste according to 29 CFR 1910.120). Notify the Forest Service of all hazardous material that may be brought onto the National Forest.

107.09 Legal Relationship of the Parties.

Delete the entire subsection.

107.10 Environmental Protection.

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Design and locate equipment repair shops, stationary refueling sites, or other facilities to minimize the potential and impacts of hazardous material spills on Government land.

Before beginning any work, submit a Hazardous Spill Plan. List actions to be taken in the event of a spill. Incorporate preventive measures to be taken, such as the location of mobile refueling facilities, storage and handling of hazardous materials, and similar information. Immediately notify the CO of all hazardous material spills. Provide a written narrative report form no later than 24 hours after the initial report and include the following:

• Description of the item spilled (including identity, quantity, manifest number, and other identifying information).

• Whether amount spilled is EPA or state reportable, and if so whether it was reported, and to whom.

• Exact time and location of spill including a description of the area involved.

• Containment procedures.

• Summary of any communications the Contractor had with news media, Federal, state and local regulatory agencies and officials, or Forest Service officials.

• Description of clean-up procedures employed or to be employed at the site including final disposition and disposal location of spill residue.

When available provide copies of all spill related clean up and closure documentation and correspondence from regulatory agencies.

The Contractor is solely responsible for all spills or leaks that occur during the performance of this contract. Clean up spills or leaks to the satisfaction of the CO and in a manner that complies with Federal, state, and local laws and regulations.

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108 - Prosecution and Progress

108 Delete.

Delete Section 108 in its entirety.

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109 - Measurement and Payment

109 Deletions Delete this entire Section and replace with the following.

Payment shall be made based on the requirements in FAR 52.232-5 Payments under Fixed-Price Construction Contracts. Reference the RFP AG-64R4-S-16-0009 for information regarding payment for the Labor Hour line items.

This is a lump sum contract. The contractor is responsible for including all costs into the most appropriate line item in Schedule B, the project bid schedule. No additional payment will be made for any costs not included in the bid schedule. Progress payment amounts will be based on percentage of work completed under each individual line item.

The contractor is responsible for performing his own calculations and basing his pricing on his calculations. Quantities for earthwork and paving are in place quantities.

In addition to completing the Bid schedule, the contractor shall provide a separate document that is a detail price breakdown for each line item in the bid schedule. The break down shall include materials, labor and subcontract costs or all the individual components comprising each line item, the total of which must equal the line item total .

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152 - Construction Survey and Staking

Description

152.01(c) Material.

Add the following:

Use required stake dimensions and materials. Pre-paint the top 2 inches of all stakes and lath, or mark them with plastic flagging. Use designated colors for paint or flagging.

Mark all stakes with a stake pencil that leaves a legible imprint, or with waterproof ink.

Do not use aerosol spray paints.

Use moisture-resistant paper for survey notes. Keep notes in books with covers that will protect the contents and retain the pages in numerical sequence.

Construction Requirements

152.02 General.

Delete the first two sentences.

Add the following:

When indicated on the plans, a preliminary survey line has been established on the ground. The project location line is established by offsets from this preliminary line.

Delete second sentence in second paragraph and replace with the following:

Reestablish missing reference, control lines, or stakes as necessary to control subsequent construction staking operations

152.03 Survey and Staking Requirements.

(b) Roadway cross-sections.

Replace the first two sentences with the following:

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Take roadway cross-sections normal to centerline. When the centerline curve radius is less than or equal to 200 feet, take cross-sections at a maximum centerline spacing of 25 feet. When the centerline curve radius is greater than 200 feet take cross-sections at a maximum centerline spacing of 80 feet.

c) Slope Stakes & References:

Replace section with the following:

Slope stakes and references. When required, locate slope stakes on designated portions of the road. Locate the slope stake catch points and use them to establish clearing limits and slope stake references.

Mark slope stakes with the station, the amount of cut or fill, the horizontal distance to centerline, and the slope ratios.

Place slope reference stakes at least 10 feet outside the clearing limit and mark with the offset distance to the slope stake. Place sight stakes when required.

Prior to clearing and grubbing operations, move the slope stake outside the clearing limit to the slope reference stake. After clearing and grubbing and before excavation, reset the slope stakes in their original position.

Use the designated method to establish the slope stake catchpoint.

• Method I—Computed Method. Use the template information shown in the plans or other Government-provided data to calculate the actual location of the catchpoint. The slope stake “catchpoint distance” provided may be used as a trial location to initiate slope staking. Recatch slope stakes on any section that does not match the staking report within the tolerances established in Table 152-2.

• Method II—Catchpoint Measurement Method. Determine the location of slope stake catchpoints by measuring the catchpoint distances shown in the plans or other Government-provided data.

(d) Clearing and grubbing limits.

Add the following:

Establish clearing limits on each side of the location line by measuring the required horizontal or slope distances shown in the stake notes. Mark the clearing limits with flagging or tags on trees to be left standing, or on lath. Make markings intervisible, and no more than 90 feet apart.

After establishing clearing limits, move the location line stake outside the clearing limits for station identification purposes, and mark it with horizontal distance to location line

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(e) Centerline reestablishment.

Replace with the following:

Reestablish centerline from instrument control points. The maximum spacing between centerline points is 25 feet when the centerline curve radius is less than or equal to 200 feet. When the centerline curve radius is greater than 200 feet, the maximum distance between centerline points is 80 feet.

(g) Culverts.

Replace subsection with the following:

Set culvert reference stakes at all culvert locations. Set a culvert reference stake on the centerline of the culvert 10 feet from each end or beyond the clearing limit, whichever is greater. Record the following on culvert reference stakes:

(1) Diameter, actual field measured length, and type of culvert.

(2) The vertical and horizontal distance from the reference stake to the invert at the ends of the culvert.

(3) Station of actual point where culvert intersects centerline.

When required, stake headwall for culverts by setting a hub with a guard stake on each side of the culvert on line with the face of the headwall. Perform this work after clearing is completed.

152.03 (l) Miscellaneous Survey and Staking.

(11) Cattleguards

(12) Drain Dips

(13) Erosion Control Measures

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Replace Table 152-1 with the following two tables:

Table 152-1 Tolerances for reestablishing P-line, traverse, and elevations.

Precision

Class

Minimum Position Closure

Angular Accuracy

L-Line Tangent Control

Pointsa (±)

Vertical Closureb

A

(Bridges) 1/10,000

2 sets, direct/reverse

10 second rejection limit

N/A

0.02 ft or

0.02ft/1000ftc

B 1/5,000

2 sets, direct/reverse

20 second rejection limit

0.1 ft

0.02 ft or

0.02ft/1000ftc

C 1/1,000

1 set, direct/reverse

1 minute rejection limit

0.2 ft 0.5ft/1000ftc

D 1/300 Foresight and backsight; 15 minute rejection limitc

0.4 ft 1.0ft/1000ftc

E 1/100 Foresight and backsight; 30 minute rejection limitc

0.8 ft 1.0ft/1000ftc

a. Accuracy of offset measurement.

b. Determine vertical closures at intervals not to exceed 2000 ft as measured along centerline.

c. Use greater value.

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Table 152-2 Cross section and slope stake tolerances.

Item Tolerances

A B C D E

Allowable deviation of cross-section line projection from a true perpendicular to tangents, a true bisector of angle points, or a true radius of curves

(±)2o (±)3o (±)3o (±)5o (±)5o

Take cross-sections topography measurements so that variations in ground from a straight line connecting the cross-section points will not exceed

0.5 ft 1.0 ft 2.0 ft 2.0 ft 3.0 ft

Horizontal and vertical accuracy for cross-sections, in feet or percentage of horizontal distance measured from traverse line, whichever is greater.

0.1 ft or 0.4%

0.15 ft or 0.6%

0.2 ft or 1.0%

0.2 ft or 1.0%

0.3 ft or 1.0%

Horizontal and vertical accuracy for slope stake, slope stake references, and clearing limits. In feet or percentage of horizontal distance measured from centerline or reference stake, whichever is greater.

Slope reference stakes and slope stakes. 0.1 ft or 0.4%

0.15 ft or 0.6%

0.2 ft or 1.0%

0.2 ft or 1.0%

0.3 ft or 1.0%

Clearing limits 1.0 ft 1.0 ft 1.0 ft 1.5 ft 2.5 ft

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153 - Contractor Quality Control

153.02 Contractor Quality Control Plan.

Add the following:

Submit written proposals for approval of alternate AASHTO or State approved test methods. Alternate methods may be allowed based on documented equivalence to the specified method.

153.04 Records.

Delete all but the first sentence

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154 - Contractor Sampling and Testing

154.01 Description

Delete the last sentence of the first paragraph.

Add the following sentence:

The Contractor is required to perform all sampling and testing required by the plans, specifications and Contractor’s Quality Control Plan.

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155 - Schedules for Construction Contracts

155 Schedules for Construction Contracts.

Delete Section 155 in its entirety; accept for subsection 155.03(a).

Add the following paragraph.

The Construction schedule (bar chart) shall be submitted prior to the preconstruction meeting. Prior to each pay request the Construction Schedule shall be updated to indicate actual progress. If any critical elements as determined by the contracting officer, are more than 10 days behind schedule a recovery schedule shall be submitted with the Contractor’s pay request for review and approval. Failure to submit an acceptable recovery schedule may result in a determination of inadequate invoice documentation and delay payment.

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156 - Public Traffic

Delete Section 156 in its entirety and replace with the following:

Description

156.01 This work consists of controlling and protecting public traffic adjacent to and within the project.

Material

156.02 Conform to the MUTCD and the following Sections and Subsections:

Construction sign panels 633

Retro-reflective sheeting 718.01

Temporary concrete barrier 618

Temporary plastic fence 710.11

Temporary traffic control devices 718.22

156.03 General. Unless otherwise provided for in Table 156-1, keep existing roads open to all traffic during road improvement work, and maintain them in a condition that will adequately accommodate traffic. Delays may not exceed 30 minutes at any one time followed by an open period of no less than 15 minutes.

Perform no work that interferes or conflicts with traffic or existing access to the roadway surface until a traffic control plan has been approved. Post construction signs and traffic

- 31 -control devices in conformance with MUTCD. All required signs will be in place and approved prior to beginning work on project.

If the Contractor agrees in writing to allow public traffic to use a new road being constructed prior to completion, it will be considered an existing road for traffic control

156.04 Temporary Traffic Control. Install and maintain temporary traffic control devices adjacent to and within the project as required by the approved traffic control plan and the MUTCD. Install and maintain traffic control devices as follows:

(a) Furnish and install traffic control devices before the start of construction operations.

(b) All detours outside of clearing limits will be approved in writing by the Contracting Officer as part of the traffic control plan.

(c) Install only those traffic control devices needed for each stage or phase.

(d) Relocate temporary traffic control devices as necessary.

(e) Remove devices that no longer apply to the existing conditions.

(f) Immediately replace any device that is lost, stolen, destroyed, or inoperative.

(g) Keep temporary traffic control devices clean.

(h) Remove all temporary traffic control devices upon contract completion or when approved.

(i) When required, use flaggers certified by the American Traffic Safety Services Association, the National Safety Council, the International Municipal Signal Association, a state agency, or other acceptable organization. Perform the work described under MUTCD Part 6. Use type III, VII, VIII, or IX retroreflective sheeting on flagger paddles. Do not use flags. Flaggers must wear high visibility safety apparel as required by MUTCD 6E.02.

156.05 Temporary Closures. Road segments may be closed as shown in Table 156-1.

The maximum consecutive days of closure shall be followed by a minimum number of consecutive days open to traffic as shown. It is anticipated except during paving operations, existing roads shall be able to remain open. Short term closure exceptions

- 32 -may be granted as described below. Maintain traffic control devices during closure period(s). Appropriate barricades and signs will be erected and maintained as shown in the traffic control plan or as otherwise designated.

The contractor may request temporary short term closure of a given road by giving written notice to the Contracting Officer at least 4 days in advance. The written request shall identify the road to be closed, purpose of closure, closure date and time, duration, and availability of alternative routes for the public.

Table 156-1

Temporary Road Closures

Road Number

From Terminus

To Terminus

Maximum Consecutive

Days of Closure

Minimum Consecutive Days Open

None anticipated.

See 156.06 for exceptions.

156.06 Acceptance. Public traffic work will be evaluated under Subsection 106.02.

Measurement and Payment

156.07 Do not measure Public Traffic for payment. Compensation is made as an indirect payment.

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157 - Soil Erosion Control

157.03 General

Delete the entire subsection and replace with the following:

Prior to the start of construction, submit a written plan that provides permanent and temporary erosion control measures to minimize erosion and sedimentation during and after construction. Ensure the Soil Erosion and Control Plan complies with the Corps of Engineers and any other State or local permit requirements.

Do not begin work until the necessary controls for that particular phase of work have been implemented. Do not modify the type, size, or location of any control without prior approval. An alternate erosion control plan with all necessary permits may be submitted 30 days before intended use.

Reflect in the Erosion Control Plan special concerns and measures necessary to protect resources and site improvements. Address the means and methods to be used to isolate the work zone from flowing or standing water, to prevent turbid water and sediments from being discharged into the stream Include:

(a) The construction activities and sequence of implementation relating to specific erosion control measures.

(b) The location and type of permanent controls to be implemented during construction.

(c) The location and type of temporary controls to be implemented during construction.

(d) For work in stream channels with running water a detailed dewatering plan.

(e) For work in stream channels without flowing water describe level of ground and vegetative disturbance and measures to reduce potential sediment delivery.

(f) Description of the monitoring plan.

Incorporate all permanent erosion control features into the project at the earliest practicable time, as outlined in the approved plan.

When erosion control measures are not functioning as intended, immediately take corrective action.

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Upon completion of construction at the site, remove all temporary erosion control devices, dewatering materials and equipment from Government property.

Sections 157.15 & 157.16 – Measurement and Payment

Include soil erosion and control costs under Item number 151 – Mobilization in the Bid schedule.

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171 - Weed and Disease Prevention

171.01 This work consists of washing and treating all construction equipment to remove seeds, plants, and plant fragments from the equipment before all the equipment is used on National Forest System lands.

171.02 Conform to the following Subsection:

Water 725.01

171.03 General . Notify the CO in writing at least 3 days before moving any construction equipment onto National Forest System lands. Construction equipment does not include cars, pickup trucks, and other vehicles that regularly travel between the construction site and areas outside of National Forest System lands.

Perform all work at a location designated on the plans or other locations approved in writing. Provide the CO with an opportunity to monitor the washing and inspection.

171.04 Equipment. Use a high pressure washing system.

For work on National Forest System lands, use a washing system that traps all wash water and either stores it for removal from National Forest System lands or recycles the water for continued use. If the equipment recycles the water, provide adequate filters for seed removal. Dispose of the filter material and removed seeds in an approved manner.

Do not mix soaps, detergents, or other chemicals with the wash water.

For work at a commercial washing facility, use an approved facility.

171.05 Washing. Wash the sides, tops, and undercarriages of all construction equipment. Remove all seeds, plants, plant fragments, dirt, and debris from the construction equipment.

171.06 Inspection. Inspect the washed construction equipment, including the undercarriage, to ensure that the washing removed the dirt, debris, and seeds from the construction equipment. Rewash the construction equipment as necessary or as directed.

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171.07 Acceptance. Weed prevention will be evaluated under Subsection 106.02.

Measurement

171.08 Do not measure weed prevention for payment.

Payment

171.09 Include all costs associated with the Section 171-Weed Prevention in the unit price for Section 151-Mobilization.

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201 - Clearing and Grubbing

201.01 Description

Replace with the following

This work consists of clearing and grubbing within clearing limits and other designated areas.

201.02 Material:

Delete Tree wound dressing material reference.

201.03 General.

Delete the last sentence.

201.04 Clearing.

Delete this subsection and replace with:

Prior to commencing clearing operations stake the clearing limits and preliminary locations, of the parking lot, loop access road and boat ramp. The Contracting Officer will mark trees to be salvaged for log jam construction. Prior to clearing operations, the contractor shall inventory the marked trees for log jam construction and compare the inventory to the Log Jam Tree Schedule below and report any discrepancies to the Contracting Officer. All but 17 of the root wad trees shall be salvage from within the boundary of the North Fork Recreation area. The 17 root wad trees not available onsite shall be harvested from Forest Service managed lands located approximately 20 miles from the project location.

The Contractor has the option of acquiring the 17 root wad trees from a provider or location not on Forest Service managed lands. Contracting Officer approval of those trees will be required prior to bringing them onsite.

Trees marked for salvage for log jam construction shall be removed and hauled to the designated onsite staging area.

Also, prior to clearing any vegetation but after preliminary staking the Contracting Officer shall be provided an opportunity to designate certain trees and other vegetation to remain and be protected during clearing and other construction operations.

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The following inventory of trees will be required for log jam construction. Seventeen of the root wad tree shall be harvested from Forest Service lands located within 20 miles of the project site and hauled and placed at the designated onsite staging area.

Log Jam Tree Schedule

• 35 – 18” or greater diameter trees x 55 feet long with intact root wads ( referred to as “Root Wad Trees”)

• 19 – 12” or greater diameter logs (no root wad) x 40 feet long ( referred to as “ Logs’)

• 44 – 6” or greater diameter logs x 15 feet long (referred to as “Racking Logs”)

• 18 – tree tops @ 15 feet in length

201.03a Requirements Unique to Log Jam Construction.

Trees identified as root wad trees shall be felled using an excavator (not saw cut) by first digging a trench around the circumference of the tree of the diameter indicated by the Contracting Officer with the intent of felling the tree in a manner that will leave a large root wad intact. Prior to the removal of any root wad trees the contractors shall discuss his methodology with the Contracting Officer and receive approval to proceed. Tree removed without such approval may not be accepted. The holes created from trees removed with their root wad intact shall be backfilled with unclassified borrow material (not demolition or construction debris) and smoothed to match surrounding grades.

201.06 Disposal

Delete the first sentence of this paragraph and substitute the following:

All vegetation and clearing debris not designated for salvage or designated to remain shall be removed from the project site and disposed on Forest Service managed lands at a location designated within 3 miles of the project site.

201.09 And 201.09 Measurement and Payment

Measurement and payment shall be on a lump sum basis.

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- 40 -

203 - Removal of Structures and Obstructions

Add the following to the end of the first sentence;

“And any other obstructions designated by the COR within the construction limits”.

203.05 Disposing of Structures and Obstructions.

Add the following:

The Contractor shall remove and dispose of all construction debris from government land. All material designated for disposal shall be treated in accordance with current Federal, State and Local regulations governing the handling and disposal of solid waste, demolition materials, and/or hazardous waste.

Delete 203.05 (b) & (c)

203.07 and 203.08 Measurement and Payment

Include these costs under item 201 – Clearing and Grubbing in the bid schedule.

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204 - Excavation and Embankment

204.09 Preparing Foundation for Embankment Construction.

Delete subsection (a) and replace it with the following:

(a) Embankment less than 4 feet high over natural ground. Remove topsoil and break up the ground surface to a minimum depth of 6 inches by plowing or scarifying. Compact the ground surface according to Subsection 204.11. Lifts shall not exceed 8 inches.

Add the following to subsection (c):

Rockery Retaining Wall - Rock size and placement shall be in accordance with the details in the plans. Material requirements shall comply with section 705.04. The footing rock shall be placed on a compacted subgrade (95% mx density) and be set approximately 8 inch below grade. Drainage aggregate meeting MoDOT Grade 4, gradation A, shall be placed behind the rock as shown in the plans. A geotextile separation barrier shall be placed between the rock and embankment and extend under the footing rock.

Rock Barriers – This is an Optional Bid items within the bid schedule. Total number of Rocks used for barriers are 28. Rock size and quality shall be as indicated in section

705.10. Rocks used for barriers shall be placed on a prepared subgrade which follows the contour of the rock so as to provide a stable base which prevents the rock from being dislodge or moved.

204.11 Compaction.

Delete this section and replace it with the following:

Compact each lift until 95% of maximum density at optimum moisture is achieved.

Determine in-place density and moisture content according to AASHTO T 310 or other approved test procures. Sample locations for field density testing shall be designated by the Contracting Officer.

Proof Rolling. For roads and parking areas, prior to placement of any base material the prepared surface shall be proofed rolled and approved by the contracting officer.

Proof rolling shall be accomplished using a 35 ton roller with a tire pressure of 120 psi for cohesive soils and a 50 ton roller with 150 psi tire pressure for granular materials.

Proofing rolling shall cover the entire surface with a minimum of 5 passes. Areas showing a deflection of more than 1.5 inches shall be corrected.

- 42 -

204.13 Sloping, Shaping, and Finishing.

Add the following to (d):

Ensure that the subgrade for both surfaced and unsurfaced roads is visibly moist during shaping and dressing. Scarify the raw subgrade under roads and parking areas to a minimum of 6 inches and compact to 95% maximum density at optimum moisture content prior to placement of any fill material. The contracting officer shall approve the subgrade preparation prior to proceeding with the placement of any fill material.

Maintain proper ditch drainage.

204.14 Disposal of Unsuitable or Excess Material.

Delete the text of the first paragraph and substitute the following:

Dispose of unsuitable or excess material on Forest service managed lands at a location designated by the contracting officer within 3 miles of the project. See the disposal map shown at the end of Section 201 specifications.

204.16 and 204.17 – Measurement and Payment

Measurement and payment will be on a lump sum basis.

Costs associated with Rock barriers shall be identified under optional bid items in the bid schedule.

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251 - Riprap

251.04 Placed Riprap.

This work shall consist of contractor-furnished riprap as Shown in the Drawings. Riprap, riprap size shall be provided as designated on the drawings. Also included under this section is the channel rock, and slab rock shown in the drawings.

Riprap of the size indicated shall be placed to a depth as shown in the drawings. The final surface of the riprapped areas shall be flush with the surrounding fill section. It may be necessary to excavate prior to the placement of the riprap to assure a flush final surface.

Contractor is responsible for procuring, hauling and placement of riprap.

251.08 and 251.09 Measurement and Payment

Measurement and payment shall be on a lump sum basis.

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301 – MoDOT Type 5 Aggregate and Grade 4, Gradation A Drainage Aggregate Base

301 Title Change.

Change the title to: 301- MoDOT Type 5 Aggregate and Grade 4, Gradation A Base

301.01 Work.

Work includes producing aggregate by pit-run, grid rolling, screening, or crushing methods, or placing Government-furnished aggregate. Work may include additive mineral filler, or binder.

301.02 Material.

All aggregate base material except as noted below shall meet the quality requirements of Missouri Department of Transportation Section (MODOT) 1007 Aggregate for Base Type 5.

Aggregate base material under the concrete boat ramp planks and articulating concrete mats shall meet the quality requirements of MODOT Section 1009.3.4, Grade 4, (drainage rock) gradation A.

301.03 General.

Written approval of the roadbed is required before placing aggregate.

For pit run or grid-rolled material, furnish material smaller than the maximum size. No gradation other than maximum size will be required for pit-run or grid-rolled material.

For grid rolling, use all suitable material that can be reduced to maximum size. After processing on the road, remove all oversize material from the road and dispose of it as directed by the CO.

Provide additives or binder, if required, at the proportions specified.

Develop and use Government furnished sources according to Section 105.

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