Gedney_Creek_Bridge_Repair_FSSS.pdf

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FOREST SERVICE

SUPPLEMENTAL SPECIFICATIONS

FOR

GEDNEY CREEK BRIDGE REPAIRS

ROAD NO. 223 – M.P. 18.4

U.S.D.A Forest Service, Region 1 Nez Perce-Clearwater National Forests

Moose Creek Ranger District Idaho County, Idaho

Prepared by:

GREAT WEST ENGINEERING

2501 Belt View Drive

Helena, MT 59604 ii

GEDNEY CREEK BRIDGE REPAIRS

Road No. 223 – M.P. 18.4

FOREST SERVICE SUPPLEMENTAL SPECIFICATIONS

TABLE OF CONTENTS

PREFACE

101 – TERMS, FORMAT, AND DEFINITIONS

102 – BID, AWARD, AND EXECUTION OF CONTRACT

103 – SCOPE 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

151 – MOBILIZATION

153 – CONTRACTOR QUALITY CONTROL

155 – SCHEDULES FOR CONSTRUCTION CONTRACTS

156 – PUBLIC TRAFFIC

157 – SOIL EROSION CONTROL

203 – REMOVAL OF STRUCTURES AND OBSTRUCTIONS

204 – EXCAVATION AND EMBANKMENT

308 – MINOR CRUSHED AGGREGATE

703 – AGGREGATE

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.

Add the following:

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 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.

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, methods of measurement, 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.

R ig h t -o f

W ay R o ad si de

R oa d si de

C le a rin g W id th

R o a dw ay C le a rin g

L im it X

Y

G ro un d

L in e

T ra ve le d W a y

C L B e rm

S u rf a ce C o u rs e

B as e C o ur se

F ill

S lo p e

B a ck S lo pe

D ra in a g e

D itc h

G ro un d

L in e

S ub gr a de

R oa d B e d

S ha pe s an d di m e ns io ns w ill v a ry to f it lo ca l c o nd iti o ns

S ee d ra w in g s fo r ty p ic a l s ec tio ns

X a n d

Y d e no te c le a rin g o u ts id e o f ro a dw a y.

N o te

Right - of - Way Line

Right - of - Way Line

Clearing Limit

Shoulder

Shoulder

102 – BID, AWARD, AND EXECUTION OF CONTRACT

102 Bid, Award, and Execution of Contract

Delete Section 102 in its entirety.

103 – SCOPE OF WORK

Deletions

Delete all but subsection 103.01 Intent of Contract.

The project consists of the removal of an existing timber bridge curb and rail system and replacing it with a new glued-laminated timber curb and rub rail system as well as making safety improvements to the approaches. Improvements consist of but are not limited to: roadway embankment, glued-laminated timber curb along the approach spans, two new approach guardrails and terminal sections at the east bent, two new object markers at the west bent, gravel surfacing at the widened approach adjacent to the east bent and removal of a tree adjacent to the east bent.

The project is located in the Moose Creek Ranger District of the Nez Perce-Clearwater National Forests, approximately 18 miles southeast of Powell in Idaho County, Idaho (Section 3, Township 31 north, Range 9 east). Refer to the location map on the title sheet of the plans.

104 – CONTROL OF WORK

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.

Add the following before the first paragraph.

Sources have been designated for this project as follows:

Crushed Aggregate - Government Furnished – A source for crushed aggregate is available at the O’Hara Pit, located adjacent to Road No. 651 at milepost 0.5.

Approved Material Stockpile Site – The Contractor will be allowed to stockpile material, including crushed aggregate and approach guardrail materials in the pull-off adjacent to the northeast edge of the project site. There is limited space available for stockpiled materials. Do not block access to the trailhead for horse and foot traffic. Campsite may be closed for up to 5 days, Monday through Friday. Materials must be stockpiled in such a manner as to avoid damage to any trees and vegetation. Long-term stockpile location is available at the base of Fog Mountain Road, MP 19.0. Provide the CO 72 hours advance notification prior to stockpiling any materials at the construction sites.

Roadway Embankment Source – Government Furnished – Roadway embankment material shall be sourced from the O’Hara Pit site, located adjacent to Road No.

651 at milepost 0.5.

Add the following to section (b) Contractor-located sources:

Prior to any pit development or use of materials, the Contractor shall provide to the CO a State certification that the pit site is free of noxious weed as listed on the "All States Noxious Weeds List”.

106 – ACCEPTANCE OF WORK

106.07 Delete

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.

108 – PROSECUTION AND PROGRESS

108 Delete

Delete Section 108 in its entirety.

109 – MEASUREMENT AND PAYMENT

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 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.

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.

Add the following Subsection:

109.10 Methods of Measurement

One of the following methods of measurement for determining final payment is DESIGNATED IN THE SCHEDULE OF ITEMS for each PAY ITEM:

(a) Actual Quantities (AQ). These quantities are determined from measurements of completed work.

(b) Contract Quantities (CQ). As defined in 109.02 (b) and supplemented above.

(c) Lump Sum Quantities (LSQ). These quantities denote one complete unit of work as required by or described in the contract, including necessary materials, equipment, and labor to complete the job.

151 – MOBILIZATION

151.01 Description

Add the following at the end of the last sentence:

All temporary or portable signs shall be included as a subsidiary item to section 151.

Signs and sign placement shall meet the requirements of the “MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES” (MUTCD), published by the U.S. Department of Transportation, Federal Highway Administration. Work on the project shall not be started until all required signs are in place and approved by the C.O.

Work also includes cleaning all construction equipment prior to entry on to Forest Lands.

Remove all dirt, plant parts and material that may carry noxious weed seeds into the area.

Only construction equipment inspected by the Forest Service will be allowed to operate within the project area. Treat subsequent move-ins of equipment the same as the initial move-in. Clean truck beds and dump boxes hauling to the project site prior to entering the work area. The Contractor shall give the Forest Service at least 24 hours advance notification when equipment is ready for inspection. The location for inspection shall be as agreed upon in the preconstruction meeting.

153 – CONTRACTOR QUALITY CONTROL

Add the following.

153.07. Project Submittals

At a minimum the contractor shall provide project submittals as shown on the below Submittal Log. Submittal requirements are listed in the Standard Specifications, Supplemental Specifications, and Plans.

Submittal Log

Log No.

Incidental to

Pay Item(s) Description of Submittal

Type of Submittal

Requirement found in

Specification No.

/Drawings

Additional Specification References

1 151 Submittal Schedule Schedule

2 151 Hazardous Spill Plan Plan FSSS 107.10

3 151 Contractor Quality Control Plan Plan 153.02 552.09

4 151 Weed Free Material Source Certification

Material Certification

FSSS 105.02(b), FSSS 155

5 151 Material Storage/Staging Plan Plan and

Description

FSSS 151

6 151 Traffic Control Plan Plan FSSS 156.03

7 151 Soil Erosion & Pollution Control Plan Plan 157.03

8 204 Excavation & Backfill Plan and Methods

Plan Drawings

9 557 Timber Structures Shop Drawing 104.03 557, Drawings

10 557 Timber Structures: Materials Material

Certification 557.19

106, 716, Drawings

11 614 Guardrail: Materials Material

Certification

104.03 106

155 – SCHEDULES FOR CONSTRUCTION CONTRACTS

155 Delete

Delete Section 155 in its entirety.

156 – PUBLIC TRAFFIC

156.03 Accommodating Traffic During Work.

Delete the following from the last paragraph:

According to Subsection 106.07(b)

Delete the first paragraph and replace with the following:

Accommodate traffic according to the requirements set forth below, MUTCD, and Section 635. Submit a traffic control plan for acceptance at least 30 days before intended use.

Add the following project specific requirements:

The Contractor will not be allowed to close Road No. 223 at Gedney Creek. Temporary delays to through traffic at the project site will be allowed for up to 2 hours. The Contractor will be responsible for maintaining adequate rail or curbs across the bridges during the construction period or provide a flagger to guide traffic. The Contractor shall be responsible for providing, installing, maintaining, and removal of type 3 barricades at the project site for any temporary road closure period.

It is the responsibility of the Contractor to schedule delivery of materials, equipment and all necessary supplies to the site, to ensure that the bridge repairs can be substantially completed within the contract time. The Contractor shall give the CO at least three weeks advanced written notice prior to any road closure.

Contractor shall provide and install two ‘road closed ahead’ signs for the duration of the any road closures. The signs shall be located at:

Along Road No. 223 at M.P. 0.0, 18.4 miles before the project Along Road No. 223 at M.P. 16.9, 1.5 miles before the project

156.08 Traffic and Safety Supervisor.

Delete this subsection in its entirety.

156.10 Measurement and payment.

Delete this subsection in its entirety and replace with the following:

ROAD CLOSED

X.X MILES AHEAD

Do not measure Public Traffic for payment. Compensation for this item shall be incidental to Mobilization.

157 – SOIL EROSION CONTROL

157.02 Materials.

Provide bales, wattles, logs, in-stream sediment trapping devices, and rolls from a certified noxious weed free source.

157.03 General.

Delete the first two paragraphs and replace with the following:

Submit an Erosion Control Plan detailing permanent and temporary control measures to minimize erosion and sedimentation during and after construction in accordance with the plans and storm water permits. Do not modify the type, size, or location of any control without approval. Submit the erosion control proposal to the CO for approval at least 14 days before operations begin.

Reflect in the Erosion Control Plan special concerns and measures necessary to protect resources and government improvements. 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) Description of the monitoring plan.

Add the following to the third paragraph:

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

203 – REMOVAL OF STRUCTURES AND OBSTRUCTIONS

203.01 Delete and replace with the following:

This work consists of disposing of clearing slash, salvaging, removing and disposing of buildings, fences, structures, pavements, culverts, utilities, curbs, sidewalks, and other obstructions.

203.05 Disposing of Material.

Modify this subsection as follows:

(a) Remove from project. Add the following:

All materials designated for removal become property of the Contractor and are to be disposed of by removing off of National Forest Lands in accordance with all local, state, and federal requirements.

(b) Burn. Delete this section.

(c) Bury. Delete this section.

(e) Placing Slash on Embankment Slopes. Place construction slash on completed embankment slopes or scatter as directed by the CO to reduce soil erosion. Place construction slash as flat as practicable on the completed slope. Do not place slash on embankment slopes closer than 2 feet, slope distance, from the road surface. Priority for use of available slash is for: (1) through fills; (2) insides of curves; and (3) ditch relief outlets. No slash may be placed below the bankfull elevation of the stream. All remaining material may be disposed of at the designated waste site or as approved by the

CO.

203.07 and 203.08 Measurement and Payment.

Delete these subsections and replace with the following:

Do not measure removal of Structures and Obstructions for payment. Compensation for this item shall be incidental to curb and guardrail installation.

204 – EXCAVATION AND EMBANKMENT

204.11 Compaction.

Delete and replace with the following:

Layer Placement (Roller Compaction) Method. Place material by end dumping to the minimum depth needed for operation of spreading equipment. Adjust the moisture content of the material to obtain a mass that will not visibly deflect under the load of the hauling and spreading equipment. Operate compaction equipment over the full width of each layer until visible deformation of the layer ceases. Make at least six complete passes.

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 at designated sites or as directed by the CO.

204.15 Acceptance.

Delete reference to Table 204-1.

308 – MINOR CRUSHED AGGREGATE

Delete section 308 in its entirety and replace with the following:

Description

308.01 This work shall consist of hauling, placing, finishing, and compacting roadway aggregate.

Material

308.02 Conform to the following Subsections:

Crushed aggregate Government Furnished Material Source Water 725.01

Construction Requirements

308.03 Preparing Surface. Prepare the roadway surface on which aggregate course is placed as shown on the plans.

308.04 Placing Crushed Aggregate.

(a) Roadway aggregate.

Mix the aggregate and adjust the moisture content to obtain a uniform mixture with a moisture content suitable for compaction. Watering, if needed for suitable moisture content, is incidental to this Item. Spread and shape the mixture on the prepared surface in a uniform layer.

Do not place the mixture in a layer exceeding 6 inches in compacted thickness.

When more than one layer is necessary, compact each layer according to Subsection 308.05(a) before placing the next layer.

308.05 Compacting and Finishing Crushed Aggregate.

(a) Roadway aggregate.

Compact the aggregate by operating compaction equipment over the total width until visible deformation ceases. A minimum of six complete roller passes shall be made at a moisture content suitable for compaction. Watering, if needed for suitable moisture content, is incidental to this Item.

Blade the surface of each layer during the compaction operations to remove irregularities and produce a smooth, even surface.

Shape the final surface to the required template shown in the drawings. The final road template shall not vary more than ±3 inches.

308.06 Acceptance. Crushed aggregate will be evaluated under Subsections 106.02.

Construction of roadway aggregate courses will be evaluated under Subsections 106.02 and 106.04. Compaction of roadway aggregate courses will be evaluated under Section 106.04.

Preparation of the surfaces on which crushed aggregate is placed will be evaluated under Section 303 as applicable.

Measurement

308.07 Measure the Section 308 items listed in the bid schedule according to Subsection

109.02 and the following as applicable.

Measure crushed aggregate by the cubic yard in the hauling vehicle.

Payment

308.08 The accepted quantities will be paid at the contract price per unit of measurement for the Section 308 pay item listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.

703 – AGGREGATE

703.06 Crushed Aggregate.

Delete this section and replace with the following:

Crushed aggregate will be from a government furnished material source. The contractor will be responsible for hauling, stockpiling and placing the material.