J.4 Special Project Specifications DSR 873.pdf

AG‐87BJ‐S‐12‐0024

DAKOTA PRAIRIE GRASSLANDS

Road Slump Repair #873 – Special Project Specifications

SPECIAL PROJECT SPECIFICATION

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.

101 ‐ Terms, Format, and Definitions

101.01 Meaning of Terms

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

101.04 Definitions.

Delete the following definitions and substitute the following:

Bid Schedule‐‐The Schedule of Items.

Contractor‐‐The individual or legal entity contracting with the Government for performance of prescribed work.

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.

Add the following:

Adjustment in Contract Price‐‐“Equitable adjustment,” as used in the Federal Acquisition Regulations, or “construction cost adjustment.”

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.

SPS 101 ‐ 1 DPG (3/11)

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.

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

Figure 101‐1—Illustration of road structure terms.

SPS 101 ‐ 2 DPG (3/11)

102 ‐ Bid, Award, and Execution of Contract

Delete Section 102 in its entirety.

103 ‐ Scope of Work

Delete all but subsection 103.01 Intent of Contract.

104 ‐ Control of Work

Delete Sections 104.01, 104.02, and 104.04.

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.

105 ‐ Control of Material

105.02 Material Sources. deleted

106 ‐ Acceptance of Work

Delete subsection 106.07.

107 ‐ Legal Relations and Responsibility to the Public

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”.

107.09 Legal Relationship of the Parties.

Delete the entire subsection.

SPS 102 thru 107‐1 DPG (3/11)

107.10 Environmental Protection.

Add the following:

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.

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.

108 ‐ Prosecution and Progress

Delete Section 108 in its entirety.

109 ‐ Measurement and Payment

Delete the following entire subsections:

109.06 Pricing of Adjustments.

109.07 Eliminated Work.

109.08 Progress Payments.

109.09 Final Payment.

109.02 Measurement Terms and Definitions.

(b) Contract quantity.

Add the following:

Contract quantities will be adjusted only when there are errors in the original design of 15% or more.

Change the following:

“(b) Cubic yard” to “(c) Cubic yard”.

155 ‐ Schedules for Construction Contracts

Delete Section 155 in its entirety.

Road Slump Repair #873 – Special Project Specifications

ROAD CLOSED

0.25 MILES AHEAD

SPS 107‐2, 108, 109, 155 DPG (7/12)

156 ‐ PUBLIC TRAFFIC

156.03 Accommodating Traffic During Work.

Delete the following from the last paragraph:

According to Subsection 106.07(b)

Add the following project specific requirements:

The Contractor will be allowed to close Road No. 873 during construction. It is the responsibility of the Contractor to schedule delivery of materials, equipment and all necessary supplies to the site, to ensure that the work can be substantially completed within the above specified contract time. The Contractor shall give the COR at least two weeks advanced written notice prior to any road closure. The Contractor shall be responsible for providing, installing, maintaining, and removal of warning signs and type 3 barricades required for the road closure period. At the Contractor’s written request, traffic delays up to one hour will be approved should the project work necessitate short traffic delays outside the closure period. Road closure shall be coordinated with Mckenzie County road department and Petro Hunt LLC.

Contractor shall provide and install two road closed ahead signs for the duration of the project. The road closed signs are to be placed ¼ mile on each side of the project or at the nearest turn around point.

156.08 Traffic and Safety Supervisor.

Delete this subsection in its entirety.

156.09 Measurement and Payment

Separate measurement shall not be made and payment for this item shall be considered incidental to other items.

SPS 156 DPG (7/12)

Section 204 ‐ Excavation and Embankment

204.01 Description

Quantities for this item include excavation, salvaging surfacing, slump repair, embankment construction and roadway inslope shaping.

204.04 Preparation for Roadway Excavation and Embankment Construction. Clear the area of vegetation and obstructions by scattering the debris. This item is incidental to the excavation spec,204

204.10 Embankment Construction

(a) General.

Delete the third paragraph and add the following:

Compact embankment layers for road fill with hauling equipment as construction progresses by Compaction Method D.

204.11 Compaction

Delete the first paragraph and replace it with the following:

For compaction method D, no sieve test is required.

Add the following compaction method:

(D) Layer Placement Method ‐ (Hauling and Spreading Equipment). Place material in 12” maximum depth needed for operation of spreading equipment. Level and smooth each embankment layer before placing the next layers. Operate hauling and spreading equipment uniformly over the full width of each layer. Construct a solid embankment with adequate compaction by working smaller rock and fines in with the larger rocks to fill the voids and by operating hauling and spreading equipment uniformly over the full width of each layer as the embankment is constructed.

204.13 Sloping, Shaping, and Finishing

(a) Sloping.

Add the following:

Slope rounding is not required on construction tolerance class E roads.

Delete section (d) and add the following:

(d) Finishing. Remove all rock larger than six (6) inches from the top six (6) inches of the subgrade, finish the roadbed to be smooth and uniform, and shape to conform to the typical sections. Remove unsuitable material from the roadbed and replace it with suitable material. Finish roadbeds to the construction tolerance class E.

Ensure that the subgrade for the roads is visibly moist during shaping and dressing. Bring low sections, holes, cracks, or depressions to grade with suitable material. Maintain proper ditch drainage.

SPS 204‐1 DPG (7/12)

204.14 Disposal of Unsuitable or Excess Material

Delete the text of the first paragraph:

Table 204‐1 Sampling and Testing Requirements.

Add the following note to the table:

(2) Using compaction Method (D), AASHTO M 145, T 99, T 180, and T 310 are not required for earth embankment test methods.

204‐2—Construction Tolerances:

Class E allowable maximum deviations are:

- Roadbed width ‐ maximum deviation shall be +1.0 foot

‐ Slopes, Excavation & Embankment (% slope) – maximum deviation shall be + or – 5%

301 ‐ Untreated Aggregate Courses

301 Title Change

Change the title to: Section 301 ‐ Aggregate Courses

301.01 Description

Add the following:

The quantity listed in the Schedule of Items is for surfacing 2” (two inches) depth compacted in place as directed by the Engineer. Additional material shall be required to compensate for the compaction factor. The contractor shall furnish, deliver, spread and compact the material in accordance to the plans, drawings, special project specifications and specifications. The regraded portion(s) of NFSR #873, shall have a subgrade final inspection and be accepted by the Engineer prior to placing and compacting of aggregate. Pay Item 301 shall be for this work in its entirety and no separate measurement shall be made. Conserved aggregate shall be placed on the project as directed by the Engineer prior to placing new aggregate. The cost for spreading conserved aggregate shall be considered incidental to this pay item.

301.02 Material

Replace with the following:

SPS 204‐2, 301‐1 DPG (7/12)

The material supplied shall conform to and testing verification submitted to the FS before use on the project shall be erionite free.

The material shall conform to the following gradation. Gradation analysis shall be submitted to the FS for approval prior to delivering material to the project.

Specification Requirements for Modified Class 5 Aggregate

Sieve Size Aggregate

Percent Passing Mod. Class 5

1” 100%

¾” 90‐100%

No. 4 35‐70%

No. 30 16‐40%

No. 200 10‐17%

Shale 12% Max

L.A Abrasion 50%

Plasticity Index ‐

Fractured Faces 10%

301.03 General

Add the following:

Request written approval by the Engineer of the roadbed a minimum of forty‐eight (48) hours before the placing of aggregate.

301.04 Mixing and Spreading

Delete the first sentence of the first paragraph and add the following:

Spread the aggregate in a uniform layer, with no segregation of size, and to a loose depth that will provide the required compacted thickness. Route and distribute leveling equipment over the width and length of each layer.

301.05 Compacting

Delete and replace with the following:

Compact each layer full width. Roll from the sides to the center, parallel to the centerline of the road.

Compact the aggregate with the following method specified:

Compaction B: Operate equipment and compact as specified in 204.11

For all compaction methods, blade the surface of each layer during the compaction operations to remove irregularities and produce a smooth, even surface.

SPS 301‐2 DPG (7/12)

301.06 Surface Tolerance

Delete the first paragraph and add the following:

Thickness and Width requirements:

The maximum variation from the compacted specified thickness is ½ inch. The compacted thickness shall not be below the specified thickness and the average thickness of two (2) random measurements for the road segment is within + 1/2 inch of the specified thickness.

The maximum variation from the specified width will not exceed +12 inches at any point..

301.09 Measurement.

Replace the second paragraph with the following:

Measure aggregate by cubic yard compacted in place when payment is by contract quantities.

301.10 Payment

Delete the following:

adjusted according to Subsection 106.