Specs.doc

TRAIL BRIDGES (3) REPLACEMENT - NFJD

UMATILLA NATIONAL FOREST

N. FK. JOHN DAY RANGER DISTRICT

GRANT COUNTY, OREGON

List of applicable Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-03, US Customary Units

151 - Mobilization

154 - Contractor Sampling and Testing

156 - Public Traffic

157 - Soil Erosion Control

158 - Watering for Dust Control

202 - Additional Clearing and Grubbing

204 - Excavation and Embankment

205 - Rock Blasting

207 - Earthwork Geotextiles

208 - Structure Excavation and Backfill for Selected Major Structures

209 - Structure Excavation and Backfill

210 - Permeable Backfill

211 - Roadway Obliteration

212 - Linear Grading

212 - Linear Grading

213 - Subgrade Stabilization

251 - Riprap

252 - Special Rock Embankment and Rock Buttress

253 - Gabions and Revet Mattresses

254 - Crib Walls

255 - Mechanically Stabilized Earth Walls

256 - Permanent Ground Anchors

257 - Alternate Retaining Walls

258 - Reinforced Concrete Retaining Walls

259 - Soil Nail Retaining Walls

260 - Rock Bolts

261 - Rock Dowels

301 - Untreated Aggregate Courses

302 - Treated Aggregate Courses

303 - Road Reconditioning

304 - Aggregate-Stabilization

305 - Aggregate-Topsoil Course

306 - Dust Palliative

308 - Minor Crushed Aggregate

309 - Emulsified Asphalt Treated Base

322 – Minor Aggregate Courses

401 - Superpave Hot Asphalt Concrete Pavement

402 - Hot Asphalt Concrete Pavement by Hveem or Marshall Mix Design Method

403 - Hot Asphalt Concrete Pavement

404 - Minor Hot Asphalt Concrete

405 - Open Graded Asphalt Friction Courses

408 - Cold Recycled Asphalt Base Course

409 - Asphalt Surface Treatment

410 - Slurry Seal

411 - Asphalt Prime Coat

412 - Asphalt Tack Coat

413 - Asphalt Pavement Milling

415 - Paving Geotextiles

416 - Continuous Cold Recycled Asphalt Base Course

417 - Minor Cold Asphalt Mix

501 - Rigid Pavement

502 - Rigid Pavement Restoration

551 - Driven Piles

X

553 - Prestressed Concrete

554 - Reinforcing Steel

X

556 - Bridge Railing

557 - Timber Structures

558 - Dampproofing

559 - Waterproofing

560 - Removal of Concrete by Hydrodemolition

562 - Temporary Works

563 - Painting

564 - Bearing Devices

565 - Drill Shafts

566 - Shotcrete

601 - Minor Concrete

602 - Culverts and Drains

603 - Structural Plate Structures

604 - Manholes, Inlets, and Catch Basins

605 - Underdrains, Sheet Drains, and Pavement Edge Drains

606 - Corrugated Metal Spillways

607 - Cleaning, Reconditioning, and Repairing Existing Drainage Structures

608 - Paved Waterways

609 - Curb and Gutter

610 - Horizontal Drains

611 - Water Systems

612 - Sanitary Sewer Systems

613 - Simulated Stone Masonry Surface

614 - Lean Concrete Backfill

615 - Sidewalks, Drive Pads, and Paved Medians

616 - Slope Paving

617 - Guardrail

618 - Concrete Barriers and Precast Guardwalls

619 - Fences, Gates, and Cattleguards

620 - Stone Masonry

621 - Monuments and Markers

622 - Rental Equipment

623 - General Labor

624 - Topsoil

626 - Plants, Trees, Shrubs, Vines, and Groundcovers

627 - Sod

628 - Sprigging

629 - Erosion Control Mats, Roving, and Cellular Confinement Systems

633 - Permanent Traffic Control

634 - Permanent Pavement Marking

635 - Temporary Traffic Control

636 - Signal, Lighting, and Electrical Systems

637 - Facilities and Services

648 Stream Simulation

X

702 - Asphalt Material

703 - Aggregate

704 - Soil

705 - Rock

706 - Concrete and Plastic Pipe

707 - Metal Pipe

708 - Paint

X

710 - Fence and Guardrail

711 - Concrete Curing Material and Admixtures

X

712 - Joint Material

713 - Roadside Improvement Material

714 - Geotextile and Geocomposite Drain Material

715 - Piling

718 - Traffic Signing and Marking Material

720 - Structural Wall and Stabilized Embankment Material

721 - Electrical and Illumination Material

722 - Anchor Material

Supplemental specifications to the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-03, US Customary Units

Table of Contents

6Table 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 102 Bid, Award, and Execution of Contract 103 - Scope of Work Deletions 104 - Control of Work Deletions

104.06 Use of Roads by Contractor

105 - Control of Material

105.02 Material Sources.

105.02(a) Government-provided sources.

105.05 Use of Material Found in the Work.

106 - Acceptance of Work

106.07 Delete

107 - Legal Relations and Responsibility to the Public

107.05 Responsibility for Damage Claims.

107.06 Contractor’s Responsibility for Work.

107.09 Legal Relationship of the Parties.

107.10 Environmental Protection.

108 - Prosecution and Progress 108 Delete.

109 - Measurement and Payment 109 Deletions

109.02 Measurement Terms and Definitions.

155 - Schedules for Construction Contracts 155 Delete.

171 - Weed and Disease Prevention 201 - Clearing and Grubbing

201.01 Description

201.02 Material:

203 – Removal of Structures and Obstructions 203.03 Salvaging Material.

203.05 Disposing of Material.

552 - Structural Concrete

552.02 Add the following:

553.03 Composition (Concrete Mix Design).

552.08 Delivery.

553.09 Quality Control of Mix.

552.11 Handling and Placing Concrete.

552.12 Construction Joints.

552.18 Loads on New Concrete Structures.

555 - Steel Structures

555.18 Welding.

555.19 Erection. Construction temporary supports for erection in accordance with Section 562.

571 - Prefabricated Bridges 625 - Turf Establishment

625.03 General.

701. - Cement

701.01 Hydraulic Cement.

709 - Reinforcing Steel and Wire Rope

709.01 Reinforcing Steel.

717 - Structural Metal 717.01 Structural Steel

717.07 Galvanized Coatings

725 - Miscellaneous Material

725.04 Pozzolans.

725.11 Precast concrete units and accessories

725.21 Epoxy Resin Adhesives

725.22 Grout.

736 - Geocell

736.01 Material

736.02 Requirements.

Preface

Preface_wo_03_15_2004_m 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

101.00_nat_us_07_25_2005

101.01_nat_us_01_22_2009

101.01 Meaning of Terms

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

101.03_nat_us_06_16_2006

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:

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.

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:

Figure 101-1—Illustration of road structure terms.

102 - Bid, Award, and Execution of Contract

102.00_nat_us_02_16_2005

102 Bid, Award, and Execution of Contract

Delete Section 102 in its entirety.

103 - Scope of Work

103.00_nat_us_02_16_2005

Deletions

Delete all but subsection 103.01 Intent of Contract.

104 - Control of Work

104.00_nat_us_06_16_2006

Deletions

Delete Sections 104.01, 104.02, and 104.04.

104.06_nat_us_02_17_2005

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_nat_us_01_18_2007

105.02 Material Sources.

105.02(a) Government-provided sources.

Add the following:

Comply with the requirements of 30 CFR 56, subparts B and H. Use all suitable material for aggregate regardless of size unless otherwise designated. When required, re-establish vegetation in disturbed areas according to section 625.

105.05_nat_us_05_12_2004

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. The Government is not obligated to make reimbursement for the cost of producing these materials.

106 - Acceptance of Work

106.07_nat_us_05_11_2004

106.07 Delete

Delete subsection 106.07.

107 - Legal Relations and Responsibility to the Public

107.05_nat_us_05_11_2004

107.05 Responsibility for Damage Claims.

Delete the entire subsection.

107.06_nat_us_06_16_2006

107.06 Contractor’s Responsibility for Work.

Delete the following from the first paragraph.

“except as provided in Subsection 106.07”.

107.09_nat_us_06_16_2006

107.09 Legal Relationship of the Parties.

Delete the entire subsection.

107.10_nat_us_06_16_2006

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.

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.

108 - Prosecution and Progress

108.00_nat_us_02_16_2005

108 Delete.

Delete Section 108 in its entirety.

109 - Measurement and Payment

109.00_nat_us_02_17_2005

109 Deletions

Delete the following entire subsections:

109.06 Pricing of Adjustments.

109.07 Eliminated Work.

109.08 Progress Payments.

109.09 Final Payment.

109.02_nat_us_06_16_2006

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”.

Add the following definition:

(p) Thousand Board Feet (Mbf). 1,000 board feet based on nominal widths, thickness, and extreme usable length of each piece of lumber or timber actually incorporated in the job. For glued laminated timber, 1,000 board feet based on actual width, thickness, and length of each piece actually incorporated in the job.

155 - Schedules for Construction Contracts

155.00_nat_us_05_11_2004

155 Delete.

Delete Section 155 in its entirety.

171 - Weed and Disease Prevention

171.00_nat_us_03_30_2005

Description

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

Material

171.02 Conform to the following Subsection:

Water

725.01

Construction Requirements

171.03 General . Notify the CO in writing at least 15 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.

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.

201 - Clearing and Grubbing

201.01_nat_us_02_18_2005

201.01 Description

Replace with the following

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

201.00_nat_us_08_05_2009

201.02 Material:

Delete Tree wound dressing material reference.

201.03 General.

Delete the last sentence.

Construction Requirements

201.04 Clearing.

Delete the last sentence of (d).

203 – Removal of Structures and Obstructions

203.03 Salvaging Material.

Delete this subsection and add the following:

Salvage, with reasonable care, all material designated to be salvaged. Unless shown on the plans, salvage all large diameter logs (greater than 12 inches in diameter), and place them in the channel as directed. Collect as much hardware as possible during removal operations or after burning in accordance with subsection 203.05(b), and remove hardware from the project in accordance with subsection 203.05(a). Salvage existing concrete aprons, where they exist. Where the concrete is unsupported and easily broken, break the material into smaller chunks (12 – 24 inches on a side) and maneuver material into the most stable position possible; bury or cover visible concrete as much as possible, in accordance with subsection 203.05(c)

203.05 Disposing of Material.

Delete this subsection and add the following:

Dispose of debris and unsuitable and excess material as follows:

(a) Remove from project. Recycle or dispose of all collected hardware from log bridge removal operations at all sites, and remove all dimensioned (sawn) lumber from wilderness sites by packing or flying it out. Remove materials off National Forest System Lands. Recycle materials wherever possible. Furnish a statement documenting the nature and quantity of material processed or sold for recycling or disposal.

(b) Burn. Where shown on plans, burn railing, posts, and planking.. Coordinate burning operations with the District Fire Management Organization. Obtain necessary burning permits. Furnish a copy of the burning permits before burning begins.

Burn using high intensity burning processes that produce few emissions. Examples include incinerators, high stacking, or pit and ditch burning with forced air supplements. Provide a competent watchperson during the burning operations.

When burning is complete, extinguish the fire so no smoldering debris remains. Dispose of unburned material according to (a) above.

(c) Bury. Cover the salvaged concrete aprons with boulders that are available on-site. Maneuver boulders to cover visible concrete as much as possible. Boulders can be placed up to one foot in front of the concrete apron adjacent to the stream; align boulders with the natural bank/edge of water to prevent constriction of the flow under the bridge.

552 - Structural Concrete 552.02_nat_us_06_20_2007

Material

552.02 Add the following:

Anchor bolts 717.01

Dowels 717.17

Epoxy resin adhesives 725.21

High strength non-shrink grout 701.02

Mortar 701.02

Portland cement 701.01

Sealants, fillers, seal, and sleeves 712.01

Construction Requirements

553.03 Composition (Concrete Mix Design).

Delete Tables 552-1, 2, and 3 and replace with the following:

Table 552-1

Composition of Concrete

(pound per cubic yard)

(inches) Maximum Nominal Coarse Aggregate

Size (5) (inches)

(1) Maximum slump is 8 inches if approved mix design includes a high-range water reducer.

(2) Concrete with a water reducing and retarding admixture conforming to AASHTO M 194, type D.

(3) A latex modified concrete with 0.037 gallons of modifier per pound of cement.

(4) Measure the slump 4 to 5 minutes after the concrete is discharged from the mixer.

(5) Meeting the processing requirements of AASHTO M43, Table 1 – Standard Sizes of Processed Aggregate.

(6) Use Class P (AE) concrete in the entire depth of the top flange of all multi-beam bridge girders. In lieu of this, Class P (AE) concrete may be used for fabrication of the entire girder, and throughout the entire depth of prestressed slabs. In all cases, furnish concrete meeting the 28 day specified minimum concrete strength requirements for the prestressed members as shown on the plans, unless otherwise specified.

Table 552-2

Minimum Air Content for Air Entrained Concrete

Nominal Maximum

Aggregate Size (1) As Delivered Minimum Air Content (2) (3) (%)

(1) Meeting the processing requirements of AASHTO M 43, Table 1 – Standard Sizes of Processed Aggregate.

(2) These air contents apply to the total mix. When testing these concretes, aggregates larger than 1½ inches are removed by handpicking or sieving, and air content is determined on the minus 1½-inch fraction of the mix. Air content of the total mix is computed from the value determined on the minus 1½-inch fraction.

(3) For P(AE) concrete, the as delivered minimum air contents may be reduced 1.0 % and the maximum air content is 6.0 %

Table 552-3

Required Average Compressive Strength (1) Specified Compressive Strength (f’c)

(psi) Required Average Compressive Strength (f’cr)

(psi)

(1) Use this table when there is not enough data available to establish a standard deviation

Delete the first paragraph after Table 552-2 and replace with the following:

Submit written concrete mix designs for approval at least 30 calendar days before production.

Add the following under the list of items to be included in the mix design submittal:

(y) Evaluation of potential aggregate reactivity

552.08 Delivery.

(a) Truck mixer/agitator.

Add the following:

Do not exceed 130 total revolutions at mixing speed, including both initial mixing and remixing. Do not exceed 300 total revolutions, including both mixing and agitating speed.

552.09 Quality Control of Mix.

Add the following after the first paragraph:

At least 2 weeks prior to the start of concrete placement operations, arrange a pre-concrete placement conference. Coordinate attendance with the CO and any applicable subcontractors. Be prepared to discuss and/or submit the following:

(1) Proposed concrete placement schedule.

(2) Review approved concrete mix design and determination of batch weights.

(3) Discuss Section 153, Contractor Quality Control, minimum frequency schedule for process control sampling and testing (to be performed by the Contractor).

(4) Discuss batching, mixing, placing, and curing requirements.

(5) Discuss Subsections 106.03, Certification, and 106.05, Statistical Evaluation of Material for Acceptance.

552.11 Handling and Placing Concrete.

Add the following after the forth paragraph:

Use an approved form release agent to produce a minimum of staining, air holes, and hydration discoloration.

552.12 Construction Joints.

Add the following at the end of the first paragraph:

Provide form cleanout ports at construction joints.

552.18 Loads on New Concrete Structures.

Add the following paragraph:

Do not allow public traffic on the bridge until approaches, curbs, and bridge rail are completed and in-place. Erect barricades at each end of bridge spans when road approaches allow vehicles to drive directly onto the structure.

555 - Steel Structures

555.18_nat_us_07_03_2007

Construction Requirements

555.18 Welding.

Add the following at the start of the first sentence.

"Unless otherwise provided for in the supplemental specifications or shown on the plans, ... "

Delete the first paragraph of this section and replace with the following:.

555.19 Erection. Construction temporary supports for erection in accordance with Section 562.

Add the following section:

571 - Prefabricated Bridges

Description

571.01 This work consists of designing, fabricating, delivering, and installing a prefabricated timber trail bridge superstructures. Delivery includes helicopter transport of components to project sites and may include the use of a helicopter to set primary structural members, as large equipment access is not allowed.

Materials

571.02 Requirements. Furnish materials that meet the requirements specified in the following sections:

Concrete compressive strength, structural steel tensile strength, finish and designation, timber species, grade, and treatment, and other material specifications shall be as required or if not listed in the contract documents, take them from the manufacturer’s drawings, and have them approved by the CO prior to fabrication.

Construction Requirements

571.03 Design Requirements. For required design standards, as well as use the most recent AASHTO “Standard Specifications for Highway Bridges”.

When design of the structure is required, submit plans and calculations signed by a professional engineer registered in the state where the bridge will initially be located or in the state where the fabricator’s offices are located.

Use durable materials to allow transportation and installation without using specialized construction equipment. Design bridges to allow transportation by helicopter or pack animals and complete construction by manual labor. Use design techniques and fabrication methods to minimize field installation difficulties. Fabricate primary components from timber.

571.04 Design Drawings. Submit design drawings, calculations, and/or shop drawings at least 30 days in advance of the start of fabrication to allow time for review and correction of any changes and approval by the CO. Include plan, elevation, and section views of the timber bridge superstructure, dimensions of all components, welding and connection details, and general and specific notes regarding design and construction.

571.05 General. Perform excavation, backfill, and embankment work under Sections 204 and 209.

Dispose of all debris resulting from operations in accordance with Section 203 or as shown on the plans..

571.06 Performance. Notify the CO at least 7 days before delivering the bridge and after approval of the Aviation Schedule.

Install prefabricated primary superstructure components immediately upon delivery to the project site. Support and stack all minor components not immediately installed to prevent damage. Furnish and install blocking to support all components at least 12 inches above the ground.

Furnish all tools, devices, special equipment, and material needed for installation in well-marked watertight containers suitable for long-term, outdoor storage.

571.07 Abutments and Approaches. Construct required abutments, bearings, and caps according to Division 550. Construct approaches, including excavation, backfill, and geotexiles, according to sections 204 and 209.

571.08 Contractor-Furnished Prefabricated Bridge Superstructure.

(a) Furnish the following items for approval 21 days prior to fabrication of the bridge components:

(1) Complete design calculations, including all assumptions and references to design standards. Calculations are to be completed by or under the direct supervision of a Professional Engineer registered in the state where the bridge will be located. Supply calculations in a calculation book, complete with an index. Stamp the front cover of the calculation book using the seal of the professional engineer who performed or otherwise directly supervised and reviewed the calculations, as licensed in the state where the bridge will be located.

(2) Complete installation instructions and shop drawings. Provide drawings that are black line, of reproducible quality, on ANSI sheet size D (24 inches by 36 inches) and that are stamped by a Professional Engineer registered in the state where the bridge will be located. Furnish the same information in an approved electronic format (Portable data format, .pdf)

(b) Furnish the following items for approval 14 days prior to delivery of the bridge components:

(1) Supplier or inspection agency certification of wood species and grade of all timber and a conformance certificate for all sawn and glued laminated members.

(2) Certification of structural steel, fasteners, and hardware.

(3) Certification of galvanizing process used.

(4) Steel fabricator certification that steel fabrication and quality control meet the requirements of the AISC Code of Standard Practice; and that all welding meets the requirements of ANSI/AASHTO/AWS D 1.5 Bridge Welding Code.

(5) A complete list of all bridge components, hardware, and fasteners.

Tag each major component of the bridge superstructure with the same project identification number in a location that is clearly visible, both when stacked in storage and erected at the site. Ensure that each bridge is packaged separately and clearly identified to avoid misdelivery.

Assemble the bridge superstructure prior to delivery to assure proper fit-up of all components. Notify the CO of the assembly 7 days before assembly.

571.09 Acceptance. Furnish a production certification for timber, including glued-laminated lumber, structural steel, and fabricated steel. Furnish a certification for all fasteners, hardware, and the galvanizing processes.

Measurement

571.10 Measure the Section 571 items listed in the bid schedule according to Subsection 109.02.

Payment

571.11 The accepted quantities, measured as provided in Subsection 109.02 and above, will be paid at the contract price per unit of measurement for the Section 571 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.

625 - Turf Establishment

625.03 General.

Delete the first subsection and add the following:

Apply turf establishment to finished slopes. Do not seed during windy weather or when the ground is excessively wet, frozen, snow covered, extremely dry, cloddy, hard pan, or is otherwise untillable.

701. - Cement

701.01 Hydraulic Cement.

Replace (a) with the following:

(a) Portland Cement. Conform to AASHTO M 85, type I, II, III, or V.

709 - Reinforcing Steel and Wire Rope

709.01_nat_us_07_03_2007

709.01 Reinforcing Steel.

(b) Reinforcing bars.

Delete paragraph one and replace with the following:

Furnish deformed, grade 60 bars conforming to AASHTO M 31.

(d) Tie bars.

Delete paragraph one and replace with the following:

Furnish deformed, grade 60 bars conforming to AASHTO M 31.

(e) Hook bolts.

Delete paragraph one and replace with the following:

Furnish plain, grade 60 bars conforming to AASHTO M 31 with M14 rolled threads or M16 cut threads. Furnish a threaded sleeve nut capable of sustaining a minimum axial load of 15,000 pounds.

717 - Structural Metal

717.01 Structural Steel

(e) High-Strength Bolts, Nuts, & Washers.

Add the following subsections:

(g) Steel Anchor Bolts.

Furnish steel anchor bolts of the dimensions shown on the plans. Furnish steel anchor bolts that conform to AASHTO M314, Grade 40 unless otherwise shown on the plans. Ensure that the exposed portion of the bolt is zinc coated by hot dip or mechanical deposition.

717.07 Galvanized Coatings

Add the following:

Furnish hot-dipped galvanized hardware and fasteners conforming to AASHTO M 232 and mechanically galvanized hardware and fasteners conforming to AASHTO M 298.

Repair damaged galvanized surfaces by power or hand tool cleaning, followed by 2 brush applications of zinc rich 2 component paint meeting FS TT-P-641, FS TT-P-1046A or MIL-P-21035. Single component brush or spray-on zinc or galvanizing compounds are not permitted. A source for TT-P-641 paint is Far West Paint Company, Tukwila, WA 206-244-8844.

725 - Miscellaneous Material

725.04_nat_us_08_05_2009

725.04 Pozzolans.

Delete paragraph (a) and replace with the following:

(a) Fly ash AASHTO M295, class C or F, except the loss on ignition must not exceed 3.0%.

725.11_0621_us_02_12_2008

725.11 Precast concrete units and accessories

(g) Other precast concrete units not covered by preceding requirements.

Replace the last sentence with the following:

Use concrete conforming to the following unless otherwise shown on the plans or required by the manufacturer’s design and drawings:

725.21 Epoxy Resin Adhesives

Delete the first paragraph and replace with the following:

Furnish epoxy resin adhesives conforming to AASHTO M 235, which are moisture resistant and are the appropriate M 235 type (intended use), grade (viscosity), class (temperature range) and color for the intended use.

725.22 Grout.

(c) Nonshrink grout.

Add the following:

Keep grout in the original manufacturer's labeled containers until used. Provide protection requirements as specified for cement in 701.01. Do not use grout after the expiration date shown on the container or 1 year from date of purchase, whichever date occurs first. Use only at manufacturer’s suggested temperature ranges.

Store, mix, place and cure grout in accordance with the manufacturer's instructions; submit a copy to the CO in advance of use. Do not place grout when the air temperature is below 41° F or above 86° F.

736 - Geocell

736.01 Material

Furnish geocell material consisting of sheet strips fabricated from high-density polyethylene (H.D.P.E.), connected in series at off-set, full-depth ultrasonic seams aligned perpendicular to the longitudinal axis of the strips. When expanded, the interconnected strips form the walls of a flexible, three-dimensional cellular confinement structure into which the specified infill material is placed.

736.02 Requirements.

Furnish geocells consisting of polyethylene material treated to resist ultraviolet degradation and conforming to the requirements shown in table 736-1.

Table 736-1 – requirements for geocells.

or

101.6 mm (4”) weld joint supporting load of 72.5 kg (160 pounds) while undergoing temperature change from 23O C to 54O C (74O F to 130O F) on 1 hour cycles.

30 days minimum

7 days minimum