A1 AttachmentC_SpecificationPackage.pdf

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SOUTHWEST REGION 03

PRESCOTT NATIONAL FOREST

NFSR 104

Repairs and Drainage Improvements

NFSR 374

Improvements

SPECIFICATIONS

U.S. FOREST SERVICE

JULY 2024

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TABLE OF CONTENTS

1.0 PREFACE

1.1 FP-14 U.S. CUSTOMARY UNITS, 2014

1.2 FOREST SERVICE SUPPLEMENTAL SPECIFICATIONS

1.3 OTHER SPECIFICATIONS AND REQUIREMENTS

2.0 SITE SUPERVISION, QUALITY CONTROL, AND SAFETY

3.0 SUBMITTAL PROCEDURES AND REQUIREMENTS

3.1 SUBMITTAL DESCRIPTIONS

3.2 VARIATIONS

3.3 SUBSTITUTIONS

3.4 SUBMITTAL TYPES

3.5 SUBMITTAL EXECUTION

4.0 SUBMITTAL LIST

5.0 FP-14 SPECIFICATIONS INCLUDED IN CONTRACT

6.0 FP-14 FOREST SERVICE SUPPLEMENTAL SPECIFICATIONS

7.0 CONTECH (OR EQUAL) ARCH CULVERT SPECIFICATION

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1.0 PREFACE

1.1 FP-14 U.S. CUSTOMARY UNITS, 2014

The Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects (FP-14 U.S. Customary Units), 2014 are included by reference. The requirements contained in these specifications are hereby made a part of this solicitation and any resultant contract.

References made to other sections within those listed are applicable by reference.

The 700-page book entitled “Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects (FP-14 U.S. Customary Units), is available from:

Headquarters Washington DC Mail: Federal Highway Administration

HFPD-3

400 Seventh Street, SW Washington D.C. 20590 https://highways.dot.gov/federal-lands/specs

Items listed for payment are in the schedule of items. All other items, regardless of payment procedures listed in FP-14, are considered incidental to the work and shall be included in the schedule of items, as necessary.

1.2 FOREST SERVICE SUPPLEMENTAL SPECIFICATIONS

Forest Service Supplemental Specifications (FSSS) add to, delete from, or modify the FP-14 specifications. FSSS are applicable to this project and are included in their entirety.

1.3 OTHER SPECIFICATIONS AND REQUIREMENTS

Specifications not listed in the above referenced sections are provided and made a part of the solicitation and any resultant contract.

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2.0 SITE SUPERVISION, QUALITY CONTROL, AND SAFETY

Contractor shall provide an OSHA 30-HR certified safety inspector, a site superintendent, quality control representative, and traffic control supervisor during construction activities.

Contractor may elect to have all (traffic) safety, superintendent, and quality control duties under the supervision of one individual, so long as the individual is qualified and certified to meet the requirements.

3.0 SUBMITTAL PROCEDURES AND REQUIREMENTS

3.1 SUBMITTAL DESCRIPTIONS

Use the attached form CM-16 for all submittals.

When a product, model number, part number, etc. is specified herein, it is implied a substitute product with the same performance specifications may be submitted as an Approved Equal, subject to final approval by the Contracting Officer.

Submittal Descriptions (SD): Submittals requirements are specified in the technical sections.

Submittals are identified by Submittal Description (SD) numbers and titles as follows:

SD-01 Preconstruction Submittals:

Submittals which are required prior to start of construction work, issuance of contract notice to proceed, or commencing work at the site. This includes, but not limited to:

a. List of proposed Subcontractors (SF Form 1413)

b. Construction progress schedule

c. Health and safety plan

d. Work plan

e. Quality Control (QC) plan

f. Bonding

SD-02 Shop Drawings:

Drawings, diagrams, and schedules specifically prepared to illustrate some portion of the work. Diagrams and instructions from a manufacturer or fabricator for use in producing the product and as aids to the Contractor for integrating the product or system into the project. Drawings prepared by or for the Contractor to show how multiple systems and interdisciplinary work will be coordinated.

SD-03 Product Data:

Catalog cuts, illustrations, schedules, diagrams, performance charts, instructions and brochures illustrating size, physical appearance, and other characteristics of materials, systems, or equipment for some portion of the work.

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SD-04 Samples:

Fabricated or un-fabricated physical examples of materials, equipment or workmanship that illustrate functional and aesthetic characteristics of a material or product and establish standards by which the work can be judged. Color samples from the manufacturer’s standard line (or custom color samples if specified) to be used in selecting or approving colors for the project.

SD-05 Design Data:

Design calculations, mix designs, analyses or other data pertaining to a part of the work.

Design submittals, design substantiation submittals and extensions of design submittals.

Design calculations, mix designs, analyses or other data pertaining to a part of the work.

SD-06 Test Reports:

- Reports signed by authorized official of testing laboratory that a material, product, or system identical to the material, product, or system to be provided has been tested in accord with specified requirements.

- Reports of tests required to be performed by the Contractor on an actual portion of the work prepared for the project before shipment to job site.

- Report which includes finding of a test made at the job site or on a sample taken from the job site, on portion of work during or after installation.

SD-07 Certificates:

Statements printed on the manufacturer’s letterhead and signed by responsible officials of manufacture of product, system, or material attesting that the product, system, or material meets specification requirements. Must be dated after award of the project contract and clearly name the project.

SD-08 Manufacturer’s Instructions:

Preprinted material describing installation of a product, system, or material, including special notices and MSDS concerning impedances, hazards, and safety precautions.

SD-09 Manufacturer’s Fields Reports:

- Documentation of the testing and verification actions taken by manufacturer’s representative at the job site, in the vicinity of the job site, or on a sample taken from the job site, on a portion of the work, during or after installation, to confirm compliance with manufacturer’s standards or instructions.

- Documentation must be signed by an authorized official of a testing agency laboratory or agency and state the test results; and indicate whether the material, product, or system has passed or failed the test.

SD-10 Operation and Maintenance Data:

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Data that is furnished by the manufacturer, or the system provider, to the product, system, or equipment operating and maintenance personnel, including manufacturer’s help and product line necessary to maintain the product, system, or equipment.

SD-11 Closeout Submittals:

- Documentation to record compliance with technical or administrative requirements or to establish an administrative mechanism.

- Special requirements necessary to properly close out a construction contract, such record drawings, and as-built drawings.

3.2 VARIATIONS

Variations from contract requirements require Governmental approval pursuant to contract clause FAR 52-236-21 and will be considered where advantageous to the Government.

Highlight, encircle, or otherwise identify deviations from the contract documents on submittals.

3.3 SUBSTITUTIONS

Whenever materials, products, and equipment are listed by name or brand in the specifications and/or on the drawings, it is used as a measure of quality, utility, or standard. If the Contractor prefers to use any other brand or manufacturer of same quality, appearance, and utility to that specified, he shall request substitution as provided below, not less than 30 days before the planned installation of the item. The Contracting Officer will approve or disapprove the request for substitution.

Requests for substitutions will only be considered if contractor submits the following:

1. Complete technical data including drawings, complete performance specifications, test data, samples and performance tests of the article proposed for substitution.

Submit additional information if required by Contracting Officer. All items in the above information shall be circled, tagged, or marked in some way to indicate all deviations or differences which the proposed item differs from the originally specified item.

2. Similar data as above for item originally specified. All items shall be marked to identify where/how the proposed substitution will differ.

3. A statement by the Contractor that the proposed substitution is in full compliance with the contract documents, applicable codes, and laws.

4.The Contractor shall be responsible for any effect upon related work in the project for any substitution and shall pay any additional costs generated by any substitutions.

3.4 SUBMITTAL TYPES

- Government Approval (GA) Submittals

- Written and graphic information that requires Contracting Officer’s responsible action.

- For Information Only (FIO) Submittals

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3.5 SUBMITTAL EXECUTION

- Review each submittal and check for compliance with the contract documents. Note corrections and field dimensions.

- The Contracting Officer review will be completed and returned within 14 calendar days after date of submissions.

- If a submittal is marked as “Disapproved” or “Does not comply”, resubmit with appropriate corrections. No work shall proceed for this item until resubmittal is approved.

Transmittal Form CM-16 ACRONYMS: A/E: Architect/Engineer; CMR: Construction Management Representative; FAR: Federal Acquisition Regulation; LEED: Leadership in Energy & Environmental Design; N/A: Not Applicable

Submittal Number: Forest: Requisition: Project: Contract Number: Date: Sheet: 1 of 2 Transmittal Number:

Construction Contractor: Subcontractor / Supplier:

Ac tio n

Su bm itt al

In fo rm at io na l S ub m itt al

Ite m

N um be r

Sp ec ifi ca tio n

Se ct io n

N um be r

Pa ra gr ap h N um be r

Description of Item (Size, Type, Name, Manufacturer, Use, etc.) Al te rn at e M at er ia ls

Pr op os ed

A/E ACTION

Action Submittal

Ap pr ov ed

Ap pr ov ed w ith

N ot at io ns

D is ap pr ov ed

R es ub m it

USFS ACTION

Action Submittal

Ap pr ov ed

Ap pr ov ed w ith N ot at io ns

D is ap pr ov ed

R es ub m it

Informational Submittal

Ac ce pt

R ej ec t

Construction Contractor - Name, Title, & Signature: Date:

I hereby certify this submittal has been reviewed for accuracy, completeness, and compliance with contract requirements. FAR 52-236-21

CMR - Name, Title, & Signature: Date:

A/E - Name, Title, & Signature: Date:

Review Comments - Name: Comment(s):

Recommended By - COR or Alternate COR - Name, Title, & Signature: Date:

Action By - USFS Name, Title, & Signature: Date:

Approval of this submittal is subject to the provisions of the contract drawings and specifications.

This action is for general concurrence only and the Government is not responsible for errors or omissions.

Date Received: Date to Construction Contractor:

Distribute 1 copy each: CMR Interim, A/E, USFS & Construction Contractor.

USFS Review Comments - Name: Comment(s):

Transmittal Form CM-16 Continuation ACRONYMS: A/E: Architect/Engineer; CMR: Construction Management Representative; FAR: Federal Acquisition Regulation; LEED: Leadership in Energy & Environmental Design; N/A: Not Applicable

Submittal Number: Forest: Requisition: Project: Contract Number: Date: Sheet: 2 of 2 Transmittal Number:

Construction Contractor: Subcontractor / Supplier:

Ac tio n

Su bm itt al

In fo rm at io na l S ub m itt al

Ite m

N um be r

Sp ec ifi ca tio n

Se ct io n

N um be r

Pa ra gr ap h N um be r

Description of Item (Size, Type, Name, Manufacturer, Use, etc.) Al te rn at e M at er ia ls

Pr op os ed

A/E ACTION

Action Submittal

Ap pr ov ed w ith N ot at io ns

D is ap pr ov ed

R es ub m it

USFS ACTION

Action Submittal

Ap pr ov ed w ith N ot at io ns

D is ap pr ov ed

R es ub m it

Informational Submittal

Ac ce pt

R ej ec t

Review Comments - Name: Comment(s):

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4.0 SUBMITTAL LIST

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‐‐‐ 107.08 Accident Prevention Plan (FAR 52.236‐13, Alternate I) X ‐‐‐ 153.03 Quality Control Plan X ‐‐‐ 155.03 Construction Schedule (FAR 52.236‐15) X

‐‐‐ 156.04 Temporary Traffic Control Plan X

‐‐‐ ‐‐‐ Subcontractors (SF‐1413) X

‐‐‐ 403.02(a) Asphalt Mix Design, 1/2" ADOT 416, PG 64‐22, Type I X ‐‐‐ 403.12 Asphalt, Sampling and Testing Results X

‐‐‐ 614.03 Lean Concrete Backfill, Mix Design X ‐‐‐ 634.05 Traffic Paint, Waterborne, Type B, w/ T1 Glass Beads X

‐‐‐ 703.05 Road Base X ‐‐‐ 704.02 Pipe Bedding X ‐‐‐ 704.03(a) Pipe Backfill (A‐1, A‐2, or A‐3) X ‐‐‐ 704.07 Unclassified Borrow, Outlet/Embankment Protection X ‐‐‐ 705.02 Placed Riprap, Class 2, Outlet / Embankment Protection X ‐‐‐ 707.02 Culvert, Corrugated Metal Pipe X ‐‐‐ 707.02 Culvert, Fittings, Bands X ‐‐‐ 718 Object Marker, Type 2, OM2‐2V X

C‐09 ‐‐‐ Arch Culvert, Geotech Report X C‐09 ‐‐‐ Arch Culvert, Shop Drawings X

NOTE: This submittal list is not all‐inclusive. Contractor to ensure submittal requirements of contract are met in accordance with the drawings and specifications

SUBMITTAL LIST

NFSR 104 REPAIRS AND DRAINAGE IMPROVEMENTS

` REQUIREMENTS

(indicate with an "X") STATUS

Spec.

Section or Drawin g Sheet

Par. No. Description

INFORMATIONAL

DIVISION 700 MATERIAL

OTHER

NFSR 104 (MINGUS MOUNTAIN)

DIVISION 150 PROJECT REQUIREMENTS

DIVISION 400 ASPHALT PAVING AND SURFACE TREATMENTS

DIVISION 600 INCIDENTAL CONSTRUCTION

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‐‐‐ 107.08 Accident Prevention Plan (FAR 52.236‐13, Alternate I) X ‐‐‐ 153.03 Quality Control Plan X ‐‐‐ 155.03 Construction Schedule (FAR 52.236‐15) X ‐‐‐ 156.04 Temporary Traffic Control Plan X ‐‐‐ ‐‐‐ Subcontractors (SF‐1413) X

‐‐‐ 301.08 Road Base, Sampling and Testing X ‐‐‐ 304.10 FDR, Production, Sampling and Testing X ‐‐‐ 304.10 FDR, Finished Pulverized Mat'l, Sampling and Testing X

‐‐‐ 403.02(a) Asphalt Mix Design, 1/2" ADOT 416, PG 64‐22, Type I X ‐‐‐ 403.02(a) Asphalt Mix Design, 3/4" ADOT 416, PG 64‐22, Type I X ‐‐‐ 410.04 Slurry Seal, Mix Design, Type II Aggregate Gradation X ‐‐‐ 410.11 Slurry Seal, Sampling and Testing X ‐‐‐ 403.12 Asphalt, Sampling and Testing Results X

‐‐‐ 619.08 Bollards X ‐‐‐ 634.05 Traffic Paint, Waterborne, Type B, w/ T1 Glass Beads X

‐‐‐ 703.05 Road Base X ‐‐‐ 704.02 CMP Pipe Bedding X ‐‐‐ 704.03(a) CMP Pipe Backfill (A‐1, A‐2, or A‐3) X ‐‐‐ 704.07 Select Borrow, Curb Erosion Control X ‐‐‐ 705.02 Placed Riprap, Class 1, Playa Erosion Control X ‐‐‐ 705.02 Placed Riprap, Class 3, Drainage Crossings X ‐‐‐ 707.02 Culvert, Corrugated Metal Pipe X

NOTE: This submittal list is not all‐inclusive. Contractor to ensure submittal requirements of contract are met in accordance with the drawings and specifications

NFSR 374 (GRANITE BASIN)

DIVISION 400 ASPHALT PAVING AND SURFACE TREATMENTS

DIVISION 700 MATERIAL

DIVISION 150 PROJECT REQUIREMENTS

DIVISION 600 INCIDENTAL CONSTRUCTION

NFSR 374 IMPROVEMENTS

INFORMATIONAL

SUBMITTAL LIST

Spec.

Section or Drawing Sheet #

REQUIREMENTS

(indicate with an "X")

Par. No. Description

DIVISION 300 AGGREGATE AND BASE COURSES

ACTION

STATUS

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5.0 FP-14 SPECIFICATIONS INCLUDED IN CONTRACT

SECTION NUMBER TITLE

Division 100 GENERAL REQUIREMENTS

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

Division 150 PROJECT REQUIREMENTS

151 MOBILIZATION

152 CONSTRUCTION SURVEY AND STAKING

153 CONTRACTOR QUALITY CONTROL

154 CONTRACTOR SAMPLING AND TESTING

155 SCHEDULES FOR CONSTRUCTION CONTRACTS

156 PUBLIC TRAFFIC

158 WATERING FOR DUST CONTROL

Division 200 EARTHWORK

201 CLEARING AND GRUBBING

203 REMOVAL OF STRUCTURES AND OBSTRUCTIONS

204 EXCAVATION AND EMBANKMENT

209 STRUCTURE EXCAVATION AND BACKFILL

Division 250 SLOPE REINFORCEMENT AND RETAINING WALLS

251 RIPRAP

Division 300 AGGREGATE AND BASE COURSES

301 UNTREATED AGGREGATE COURSES

303 ROAD RECONDITIONING

304 FULL DEPTH RECLAMATION

Division 400 ASPHALT PAVEMENTS AND SURFACE TREATMENTS

403 ASPHALT CONCRETE

410 SLURRY SEAL

411 ASPHALT PRIME COAT

412 ASPHALT TACK COAT

413 ASPHALT PAVEMENT MILLING

414 ASPHALT PAVING CRACK SEALING AND FILLING

418 ASPHALT CONCRETE PAVEMENT PATCHING

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Division 600 INCIDENTAL CONSTRUCTION

602 CULVERTS AND DRAINS

609 CURB AND GUTTER

614 LEAN CONCRETE BACKFILL

619 FENCES, GATES, CATTLE GUARDS, AND BOLLARD POSTS

634 PERMANENT PAVEMENT MARKINGS

635 TEMPORARY TRAFFIC CONTROL

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6.0 FP-14 FOREST SERVICE SUPPLEMENTAL SPECIFICATIONS

Table of Contents Preface

101 - Terms¸ Format¸ and Definitions

101.01 Meaning of Terms

101.03 Abbreviations

101.04 Definitions

102 - Bid¸ Award¸ and Execution of Contract

Delete Section 102

103 - Scope of Work

Delete Subsections 103.02, 103.03, 103.04, 103.05

104 - Control of Work

Delete Subsections 104.01, 104.02, 104.04

104.06 Use of Roads by Contractor

105 - Control of Material

105.05 Use of Material Found in the Work

106 - Acceptance of Work

106.01 Conformity with Contract Requirements

106.02 Visual Inspection

107 - Legal Relations and Responsibility to the Public

Delete Subsection 107.05

108 - Prosecution and Progress

Delete Section 108

109 - Measurement and Payment

Delete Subsections 109.06, 109.07, 109.08, 109.09

109.01 Measurement of Work

109.02 Measurement Terms and Definitions

155 - Schedules for Construction Contracts

Delete Section 155

Preface Preface_wo_03_23_2021

Delete all but the first paragraph and add the following:

The Forest Service, US Department of Agriculture has adopted FP-14 for construction of National Forest System Roads.

101 - Terms¸ Format¸ and Definitions 101.01_National_11_9_2016

Add the following paragraph to Subsection 101.01:

101.01 Meaning of Terms.

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

101.03_National_11_9_2016

Add the following to Subsection 101.03:

101.03 Abbreviations.

(a) Acronyms.

AGAR — Agriculture Acquisition Regulations

AFPA — American Forest and Paper Association

FSAR — Forest Service Acquisition Regulations

MSHA — Mine Safety and Health Administration

NESC — National Electrical Safety Code

WCLIB — West Coast Lumber Inspection Bureau

(f) Miscellaneous unit abbreviations.

MP — milepost location ppm — parts per million volume

STA station location

101.04_National_1_22_2020

Make the following changes to Subsection 101.04:

101.04 Definitions.

Delete these definitions and replace the following:

Bid Schedule — The Schedule of Items.

Bridge — A structure, including supports, erected over a depression or an obstruction such as water along a road, a trail, or a railway and having a deck for carrying traffic or other loads.

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 — Any structure with a bottom, regardless of fill depth, depth of invert burial, or presence of horizontal driving surface, or any bottomless (natural channel) structure with footings that will not have wheel loads in direct contact with the top of the structure.

Drawings — (Public Works Contracts) Design sheets or fabrication, erection, or construction details submitted to the CO by the Contractor according to FAR Clause 52.236‐21 Specifications and Drawings for Construction. Also refers to submissions and submittals.

Notice to Proceed — (Public Works Contracts) Written notice to the Contractor to begin the contract 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.

Solicitation—(Public Works Contracts) The complete assembly of documents (whether attached or incorporated by reference) furnished to prospective bidders.

Add the following definitions:

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.

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.

Shop Drawings — (Timber and Stewardship Contracts) Referred to as “Drawings” in FP‐14, include drawings, diagrams, layouts, schematics, descriptive literature, illustrations, lists or tables, performance and test data, and similar materials furnished by Purchaser to explain in detail specific portions of the work required by the contract.

Utilization Standards —

The minimum size and percent soundness of trees described in Public Works contract specifications or Timber Sale and IRTC contract provisions to determine merchantable timber.

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

Figure 101‐1—Illustration of road structure terms.

102 - Bid¸ Award¸ and Execution of Contract 102.00_National_11_9_2016

Delete Section 102 in its entirety.

Delete Section 102.

103 - Scope of Work 103.00_National_11_9_2016

Delete all of Section 103 except Subsection 103.01 Intent of Contract.

Delete Subsections 103.02, 103.03, 103.04, 103.05.

104 - Control of Work 104.00_National_11_9_2016

Delete Subsections 104.01, 104.02, and 104.04.

Delete Subsections 104.01, 104.02, 104.04.

104.06_National_11_9_2016

Add the following to Subsection 104.06:

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 105.05_National_6_29_2020

105.05 Use of Material Found in the Work.

Delete 105.05 (a) and (b) and the last sentence of the second paragraph and substitute the following:

Materials produced or processed from Government lands in excess of the quantities required for performance of this contract are the property of the Government. Place excess material safely at government‐approved location, at no additional cost to government.

106 - Acceptance of Work 106.01_National_7_18_2017

Delete Subsection 106.01 and replace with the following:

106.01 Conformity with Contract Requirements.

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.

Acceptable work conforming to the contract will be paid for at the contract unit bid price. 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, repair, or replace work that does not conform to the contract, or to prevailing industry standards where no specific contract requirements are noted. Removing, repairing, or replacing work;

providing temporary traffic control; and any other related work to accomplish conformity will be at no cost to the Government.

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

106.02_National_11_9_2016

Delete Subsection 106.02 and replace with the following:

106.02 Visual Inspection.

Acceptance is based on visual inspection of the work for compliance with the specific contract requirements. Use prevailing industry standards in the absence of specific contract requirements or tolerances.

107 - Legal Relations and Responsibility to the Public 107.05_National_7_18_2017

Delete Subsection 107.05.

Delete Subsection 107.05.

108 - Prosecution and Progress 108.00_National_11_9_2016

Delete Section 108 in its entirety.

Delete Section 108.

109 - Measurement and Payment 109.00_National_11_9_2016

Delete Subsections 109.06, 109.07, 109.08, and 109.09:

Delete Subsections 109.06, 109.07, 109.08, 109.09.

109.01_National_2_22_2019

Delete the third paragraph and Table 109-1 of Subsection 109.01 and replace with the following:

109.01 Measurement of Work.

Take measurements as described in Subsection 109.02 unless otherwise modified by the Measurement Subsection of the section controlling the work being performed. Table 109‐1 indicates the accuracy required for quantities of the various pay units used in the Schedule of Items. Use this guide to determine the decimal placement in the final payment.

Table 109‐1

Decimal Accuracy of Quantities for Final Payment

Pay Item Level of Precision Linear Foot 1

Exception--Timber, Steel, and concrete Piles 0.1 Station 0.1 Mile 0.01 Square Foot 0.1 Square Yard 0.1 Each 1 Acre 0.01 Gallon 1 M-Gals. 0.1 Cubic Yard 1

Exception--Structure Excavation; Sheathing Materials; Bedding, Bed Course, and Backfill Materials; Gabions;

0.1

Exception--Concrete; Masonry 0.01 Pound 1 Ton 0.1

Exception--Calcium Chloride;

Sodium Chloride; Hydrated Lime;

Bituminous Materials; Pavements;

Bed Course Materials

0.01

Hour 0.1

MFBM 0.01

Station Yard 1 Cubic Yard Mile 1 Ton Mile 1

109.02_National_11_9_2016

Add the following sentence to Subsection 109.02(b):

109.02 Measurement Terms and Definitions.

(b) Contract quantity.

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

155 - Schedules for Construction Contracts 155.00_National_11_9_2016

Delete Section 155 in its entirety.

Delete Section 155.

34 | P a g e

7.0 CONTECH (OR EQUAL) ARCH CULVERT SPECIFICATION

ALUMINUM STRUCTURAL PLATE SPECIFICATIONS

1.0 GENERAL

1.1 This specification covers the design, manufacturing and installation of the ALUMINUM STRUCTURAL PLATE 9 inch x 2-1/2 inch corrugated aluminum structural plate structure detailed in the plans.

1.2 Qualified Suppliers

(a) Each bidder is required to identify their intended bridge supplier as part of the bid submittal. Qualified suppliers must have at least fifteen (15) years experience fabricating equal or larger type structures.

(b) Pre-Approved Manufacturer:

Contech Engineered Solutions LLC 700 Tech Drive Winchester, KY 40391

(c) Suppliers other than those listed above may be used provided the owner’s agent evaluates the proposed supplier and approves the supplier 14 business days prior to bid.

(d) The contractor must provide the following documentation, for any proposed Supplier who is not pre-approved, at least 14 business days prior to bid:

Product Literature All documentation to ensure substitution will be in compliance with these specifications.

Project specific representative drawings for bridge projects listed above with material, complete design calculations and design specification references.

(e) Proposed suppliers must have at least fifteen (15) years experience designing these types of structures and a minimum of fifteen (15) successful projects, of similar shape and construction as specifically written in these specifications and drawings, each of which has been in service at least three

(3) years. List the location, shape, size, owner, and a contact for reference for each project.

(f) The owner’s agent will evaluate and verify the accuracy of the submittal prior to bid. If the owner’s agent determines that the qualifying criteria have not been met, the contractor’s proposed supplier shall be rejected. This ruling shall be final.

1.3 The required structure will be designated by standard applicable catalog structure number, span, rise and plate N.

1.4 N shall equal 9.625 inches.

1.5 Cover over the structure shall be determined from the crown of the structure to the bottom of flexible pavement or top of rigid pavement.

2.0 DIMENSIONS

2.1 Span: Maximum span shall be ____ ft - ____ in

Bottom span shall be ____ ft - ____ in Span shall be determined at the inside corrugations

2.2 Rise: Total rise shall be ____ ft - ____ in

Top rise shall be ____ ft - ____ in (from spring line to crown) Rise shall be determined at the inside corrugations

2.3 Thickness: Plate thickness shall be _____ in for all plates or as described

Plate properties shall conform to Table 1.

For dimensions (Sections 2.1 – 2.3) refer to conceptual drawings, dated

05/10/2024.

2.4 Ribs: Reinforcing ribs shall be Type II, Type IV or Type VI as required by curving radii and plate and rib composite section properties in Table 2.

2.5 Corrugation: The Aluminum Structural Plate shall have 9 inch x 2-1/2 inch annular corrugations. The corrugation profile shall have AASHTO recognition for a minimum of 15 years.

3.0 DESIGN

3.1 Design Criteria: The design of the structure shall be in accordance with:

ASTM B790 Standard Practice for Structural Design of Corrugated Aluminum Pipe, Pipe-Arches, and Arches for Culverts, Storm Sewers, and Other Buried Conduit.

3.2 Design Loads: Design loads shall be specified by the Engineer. Construction loads and any temporary loads exceeding the service live load are not allowed on the structure without approval from the Engineer.

(a) The Engineer shall specify the materials and extents of the foundations or bedding and backfill material within the critical backfill zone with consideration of structure shape and in situ conditions.

(b) The Engineer shall consider the structural capacity of trench walls or adjacent embankments to provide balanced soil loads on the structure.

(c) The Engineer shall consider hydraulic forces on the ends of the structure.

End treatment such as headwalls, slope collars, slope paving or cut-off walls shall be considered to protect the backfill and provide stability and protection to the ends of the structure as well as to prevent erosion or washout.

(d) The Engineer shall consider scour effects on the structure foundation. The use of scour counter-measures shall be considered for strip footings. The Engineer shall consider potential washout/undermining effects on the invert. The use of a toewall at the ends of a structure or a paved invert shall be considered.

3.3 Shop Drawings: Shop drawings and design calculations shall be prepared and submitted to the owner for approval. The contractor shall be responsible for verification of all field dimensions prior to fabrication.

3.4 Aluminum Box Culverts: Shall conform to ASTM B864.

4.0 MATERIALS

4.1 Structural Plate: Aluminum Structural Plate shall consist of plate, ribs and appurtenant items as shown on the plans and shall conform to the requirements of AASHTO M219 or ASTM B746 and Table 1

Table 1 – ALUMINUM STRUCTURAL PLATE - 9x2-1/2 Corrugated Plate Section Properties

Nominal Thickness (in)

Moment of Inertia (in4/ft)

Section Modulus (in3/ft)

Radius of Gyration (in)

Area of Section (in2/ft)

*0.100 0.997 0.767 0.844 1.404

0.125 1.248 0.951 0.844 1.750

0.150 1.499 1.131 0.845 2.100

0.175 1.751 1.309 0.845 2.449

0.200 2.004 1.484 0.846 2.799

0.225 2.258 1.657 0.847 3.149

0.250 2.513 1.828 0.847 3.501

*0.100 inch thick plate shall be used for un-curved elements only.

Table 2 – ALUMINUM STRUCTURAL PLATE/RIB Composite Section Properties

Metal Thickness (inches) Rib Type @

Spacing

0.125 0.150 0.175 0.200 0.225 0.250

Plastic Moment Capacity, Mp (kip-ft/ft) No Rib 2.65 3.18 3.71 4.24 4.77 5.30

Type II @ 54 4.62 5.46 6.04 6.61 7.17 7.74 @ 27 6.18 7.25 7.94 8.60 9.25 9.87 @ 18 7.41 8.66 9.48 10.26 11.00 11.71 @ 9 10.63 12.13 13.08 14.05 15.03 16.02

Type IV @ 54 5.87 6.82 7.43 8.04 8.63 9.21 @ 27 8.32 9.59 10.39 11.14 11.85 12.55 @ 18 10.42 11.90 12.84 13.72 14.57 15.39 @ 9 16.45 18.46 19.41 20.38 21.37 22.37

Type VI @ 54 8.74 9.51 10.24 10.95 11.64 12.32 @ 27 13.76 14.33 15.16 16.19 17.36 17.48 @ 18 20.09 20.56 20.79 21.30 21.74 22.58 @ 9 32.24 34.35 36.46 38.54 39.88 40.63

4.2 Aluminum Alloy - Plate: Plates shall be fabricated from 5052-H141 aluminum alloy conforming to AASHTO M219 or ASTM B209.

4.3 Aluminum Alloy – Ribs: Ribs shall be fabricated from 6061-T6 aluminum alloy conforming to ASTM B221.

4.4 Fasteners:

4.4.1 Steel Nuts and bolts shall conform to the requirements of ASTM A 307 or

ASTM A 449.

4.4.2 Aluminum nuts and bolts (if required) shall conform to ASTM B746. The structural design shall conform to the provisions of AASHTO Standard Specifications for Highway Bridges Section 12.6.2.

4.5 Field Applied Bituminous (Asphalt) Coating: If specified, field applied bituminous coating shall conform to AASHTO M190.

5.0 FABRICATION AND QUALITY CONTROL

5.1 Final manufacturing processes including corrugating, punching, curving, special fabrication and optional zinc priming shall be performed in the United States of America at a common location.

5.2 All raw materials shall be traceable and certified by the mill for material composition and physical properties.

6.0 INSTALLATION

6.1 Assembly: The structure shall be assembled in accordance with the shop drawings and plate layout provided by the manufacturer. Bolts shall be tightened to an applied torque between 100 and 150 ft-lbs.

6.2 Installation: The structure shall be installed in accordance with AASHTO

Standard Specifications for Highway Bridges Section 26 or ASTM A807, the plans and specifications, and the manufacturer’s recommendations.

(a) The Contractor shall provide footings as required per the plans and specifications.

(b) The Contractor shall provide proper bedding and backfill to avoid distortion that may create undesirable stresses in the structure and/or settlement of the roadway. The bedding shall be free of rock formations, protrusions, frozen material or organic material.

6.3 Backfill: The structure shall be backfilled using clean, well graded granular materials that meets the requirements of AASHTO M145 soil classifications A-1, A-2 or A-3. Aluminum box culverts shall be backfilled with A-1, A-2-4, A-2-5 or A-3 material.

(a) Backfill materials shall be placed in symmetrical lifts on each side of the structure. The differential between the lifts on either side shall not exceed 24 inches. Each layer of soil shall be placed in 6 to 8 inch loose lifts and compacted to a minimum of 90% density per AASHTO T99 or ASTM D698 (Standard Proctor). Aluminum box culverts shall be compacted to 90% density per AASHTO T180 or ASTM D1557 (Modified Proctor).

(b) Backfill soils shall be free of rocks exceeding 3 inches, frozen lumps, ice, organic matter and foreign materials that could cause hard spots or decompose to create voids.

(c) The presence of a high percentage of silt or fine sand in the native soils suggests the need for well graded granular material in the critical backfill zone or the use of non-woven geotextile to prevent soil migration.

(d) During backfilling operations, only small tracked construction equipment

(such as a D-4 dozer or smaller) shall be near the structure as fill progresses above the crown and to the minimum height of cover. After adequate cover and compaction is achieved, live loads may increase at the direction of the Engineer.

6.4 Critical Backfill Zone: The Engineer shall determine the extents of the critical backfill zone and provide a detail on the plans.

Revised April 2013