S-10-0110 Special Project Specifications.doc

ROMAN NOSE TRAIL BRIDGE REPLACEMENT

SPECIAL PROJECT SPECIFICATIONS

Section 101 - Abbreviations, Acronyms, & Terms

101.01 Terms, Organizations, & Standards.

(a) Acronyms. Add the following:

BMP

Best Management Practice

EPA

Environmental Protection Association

FPL

Forest Products Laboratory

ICRI

International Concrete Repair Institute

SSPC

Steel Structures Painting Council

WCLIB

West Coast Lumber Inspection Bureau

WWPA

Western Wood Products Association

USN

United States Navy”

101.02 – Abbreviations

Delete in its entirety and substitute the following:

And

AC

Acre

AGG …………………………Aggregate

AL.

Aluminum

ASP

Asphalt

AQ……………………………Actual Quantities

AVAIL

Available

BARR

Barrier

BKN

Broken

BST

Bituminous Surface Treatment

CATTLEGD

Cattle guard

CLEAR (CLG)

Clearing

CLEAR/GRUB

Clearing & Grubbing

CMP

Corrugated Metal Pipe

CMPA………………………..Corrugated Metal Pipe Arch

COMP

Compaction

CO……………………………Contracting Officer

CONC

Concrete

CONST

Construction (Construct) CSP…………………………..Corrugated Steel Pipe

CTD

Coated (Coating)

CUSH

Cushion

CY (CU YD)

Cubic Yard

CY MI (CYM)

Cubic Yard Mile

DIA

Diameter

DL

Double Lane

DQ……………………………Design Quantities D/S…………………………...Downstream

DWGS

Drawings

EA

Each

EMB

Embankment

EXC

Excavation F&I Furnish & Install

FDN

Foundation

FT

Foot (Feet)

FUNC

Function

GAL

Gallon

GR.

Grade

GRUB

Grubbing

HDPE

High Density Polyethylene

96 SPS 101-1 (11/20/09)

Ha… .…………………… Hectare HOR………………………….Horizontal

HR

Hour

HT

Height I Install

IN

Inches

INCL

Including (Includes)

IND

Individual

JCT

Junction

Kg ……………………………Kilogram

Kl..……………………………Kiloliter

Kl km...…………………….…Kiloliter Kilometer L Logs l ……………………………...Liter

L……………………………...Length

LBS

Pounds

LDG

Loading

LF (LIN FT)

Linear (lineal) Foot LS…………………………….Lump Sum

LSL…………………

Lower Specification Limit LSQ…………………………..Lump Sum Quantities

MAT'L

Material M Metal m……………… Meter mm……… Millimeter

MAX

Maximum

MBF

One Thousand Feet Board Measure

MGALS

One Thousand Gallons

MHD

Method

MI

Mile

MIN

Minimum

MISC

Miscellaneous

MP

Mile Post

MSF

One Thousand Square Feet

OTBC

Open Top Box Culvert

PI……………………………..Plasticity Index P M Placement Method

PVC

Polyvinyl chloride

RD

Road

RECOND

Reconditioning

RECONST

Reconstruction (Reconstruct)

REFL

Reflectorized

RT

Right

STMP (STP)

Stump(s)

SB

Self Balance

SEC

Section

SF

Square Foot (Feet)

SL

Single Lane

SLD

Solid

SQ……………………………Staked Quantities

ST

Slash Treatment

STA

Station (100 Feet)

STA YD

Station Yard

STL

Steel

STR (STRUC)

Structural

SY (SQ YD)

Square Yard

SZ

Size

T………………………… Ton (1,000 kg)

T km.…….

Ton Kilometer T&L Tops & Limbs

TBR

Timber

TH

Thickness

TM

Ton Mile

TV……………………………Target Value

TO

Turnout

TOL

Turnout Left

TOR

Turnout right

TRS

Trees

UOT

Utilization of Timber

U/S……………………………Upstream

USL…………………………..Upper Specification Limit

VERT

Vertical W Width W/ With W/O Without

X-SEC

Cross Section

YD

Yard”

96 SPS 101-2 (11/20/09)

Section 102 - Definitions Add the following:

"Noxious Weeds or Weeds. Any exotic plant species established or that may be introduced in the State which may render land unfit for agriculture, forestry, livestock, wildlife, or other beneficial uses and which is designated by the State's Department of Agriculture, or by the County's weed management district, or by other appropriate agencies having jurisdiction, or as listed on the current ‘All States Noxious Weed List.’

Shop Drawings. Incidental design sheets and/or drawings the Contractor is required to submit to the Forest Service. Shop drawings shall conform to the contract requirements, but they are not part of the contract drawings. They may be drawings, diagrams, schedules, performance charts, brochures, and similar data prepared by the Contractor, subcontractor, manufacturer, suppliers, or distributors that illustrate how specific portions of the work are to be fabricated or installed.

Weed Management District. A weed management district is any area of land identified for the purpose of weed management or control. Such an identified land area may be, but is not limited to one of the following: a project or job site, a County, two or more Counties, or a National Forest.

Engineer. The Contracting Officer’s Representative (COR) responsible for onsite administration of the contract.”

96 SPS 102-1 (11/20/09)

Section 103 – Intent of Contract Add the following:

“The Roman Nose Trail Bridge Replacement project includes the removal of the existing trail bridge structure and replacing it with a new steel Half-Through Pony Truss pedestrian bridge on concrete grade beams. Work will include design, fabrication, delivery and installation of the steel trail bridge superstructure, supplying and installing precast concrete grade beams, structural excavation, camping spur and trail crushed aggregate subbase material, parking lot and trail crushed aggregate surfacing, treated timber puncheon, bulletin board, site vegetation preservation, erosion control measures, minor equipment rental and all other incidental work items necessary to complete the project in accordance with the plans and specifications.

No in-stream work is anticipated for this project. Equipment access for removal of the existing trail bridge, setting concrete grade beams and installation of the steel trail bridge will be accomplished with equipment access only to the abutment No. 1 side of the trail bridge construction site. It is the responsibility of the Contractor to schedule delivery of materials, equipment and necessary supplies to the site and position them to ensure the work can be completed without heavy equipment access to abutment No. 2 side of the trail bridge construction site.”

96 SPS 103-1 (11/20/09)

Section 104 – Maintenance for Traffic

104.01 Roads to be Constructed

Delete the last two paragraphs of this subsection and add the following:

“The Contractor will be allowed to close that segment of Trail No. 165 affected by the Roman Nose trail bridge construction activities to pedestrian traffic during construction as outlined below.

Trail No. 165 may be closed to public traffic within the construction area during trail bridge construction work under this contract for one(1) closure period consisting of up to a five (5) consecutive day closure period. This five( 5) day closure period will fall sometime between July 15th and October 1st of 2010. The closure period will be approved only for weekdays (Monday through Friday), with no closure allowed during the Labor Day Holiday weekend. Contractor shall provide the Contracting Officer at least 14 days advanced written notice prior to any closure period to provide public and Forest Service administrative user’s notice of the approved closure period. The contractor shall be responsible for providing, maintaining and removal of all barricades and signs required for the trail closure.

Trailhead Parking Area may be closed to public access during the same five(5) day closure period approved for Trail No. 165. This will allow Contractor access with equipment to remove the existing structure, install the new steel trail bridge structure and place and compact the crushed aggregate surfacing on the parking area. The contractor shall be responsible for providing, maintaining and removal of all barricades and signs required for the parking area closure.

Roman Nose Camping Spur (approximately 1300 LF) may be closes to public access during the same five(5) day closure period approved for Trail No. 165. This will allow Contractor access with equipment to recondition the roadway, improve drainage, and place and compact the crushed aggregate subgrade material on the spur road. The contractor shall be responsible for providing, maintaining and removal of all barricades and signs required for the camping spur closure.

At the contractor’s written request, vehicle and pedestrian traffic delays, as outlined below, will be approved should the project road work necessitate short traffic delays outside the approved closure period.

96 SPS 104-1 (11/20/09)

Time Periods Maximum Delays

Monday – Friday (8:00 a.m. – 4:00 p.m.) ------------------------ 60 Minutes

Monday – Friday (4:00 p.m. – 8:00 a.m.) ------------------------ Open to Traffic

Weekends – (Sat. & Sun) and Holidays -------------------------- Open to Traffic

Traffic delay periods (60 minutes) between 8:00 a.m. and 4:00 p.m. begin when the first traffic vehicle arrives at the closure site. This traffic delay period is the maximum delay traffic should experience within the entire construction area.

Other delay periods may be authorized upon receipt of a written approval from the Contracting Officer. Prior notification by the contractor is required for public notice of the contractor’s intent to delay traffic. The Contractor shall submit a written request outlining the traffic delays required at least 7 days prior to starting construction operation that necessitates the traffic delays. The contractor must open the bridge and road as rapidly as possible to allow passage of emergency traffic or vehicles.”

The following is added to this subsection:

“The Contractor will be responsible for the safe passage of vehicle traffic through the construction site when the Roman Nose Trailhead parking area and Camping spur are open to public traffic during construction and outside work hours. The Contractor will be responsible for the safe passage of pedestrian traffic through the construction site and over the pedestrian bridge when the Roman Nose Trail Bridge is open to public travel during construction and outside work hours.

Develop a construction sign plan that reflects the Contractor’s plan of operation and submit to the Contracting Officer for approval 10 days prior to commencement of on-site project work. Install construction signs prior to and consistent with the site work being performed. In addition to typical MUTCD construction zone signing and road closure devices (type III barricades), the contractor shall install and maintain heavy truck traffic signs at key intersections, key public use point features and consistent with contractor’s hauling operations.”

104.02 Use of Roads by Contractor

The following is added to this subsection:

“Commensuate with use, the Contractor shall be responsible to any damage to roads under the jurisdiction of the Forest Service used by the Contractor as haul routes for delivery materials to the project site. Commenserate use road damage repairs will be the responsibility of the contactor.”

96 SPS 104-2 (11/20/09)

PAYMENT

Measurement

104.03 Method.

“No payment will be made for this item. Include all costs associated with erecting, maintaining and removing traffic control construction signing in the unit price bid for Mobilization.”

96 SPS 104-3 (11/20/09)

Section 105 – Control of Materials

105.06 Material Sources

(a) Designated Sources.

Add the following:

“Crushed Aggregate, Type Surfacing Source - Commercial Source: There are no designated Government sources for Item 304(11)A or Item 304(11)B - Crushed Aggregate Surfacing material under this contract.

Crushed Aggregate, Type Subbase Source - Commercial Source: There are no designated Government sources for Item 304(11)C or Item 304(11)D - Crushed Aggregate Subbase material under this contract.

Waste/Borrow Area - Government Provided: A waste area for any excess or unsuitable material will be designated by the Contracting Officer within 1/4 mile of the Roman Nose Trail Bridge project site. Excess or unsuitable material from structural excavation for abutment No. 2 can be wasted by uniformly spreading at the excavation site. No borrow material is anticipated for this project.

Topsoil - Commercial Source: There are no designated Government sources for Item 624(05) – Top Soil under this contract.

Course Granular Backfill - Commercial Source: There are no designated Government sources for course granular backfill designated under Item 260(01) – Geocell Abutment Stabilization under this contract.”

(b) Contractor-Furnished Sources.

Add the following:

“Prior to any pit development or use of materials from contractor-furnished sources, have the pit site approved by the Contracting Officer that it is free of noxious weed as listed on the “All States Noxious Weeds List.”

96 SPS 105-1 (11/20/09)

Section 106 – Measurement & Payment

106.03 Units of Measurement

Delete this subsection and add the following:

“Forest Service Specifications for Construction of Roads and Bridges (Revised August 1996) are based on Modern Metric units of measurement. The dimensions and units of measure SHOWN ON THE DRAWINGS and used to develop SPECIAL PROJECT SPECIFICATIONS for this contract, utilize U.S. Standard English units of measure. All measurements referenced in the August 1996 Forest Service Standard Specifications (EM-7720-100) shall be converted to U.S. Standard English units of measure. Appendix A – Engineering Conversion Factors and Appendix B – SI (Modern Metric) Conversion Factors, are included on pages 611 – 614 of the Standard Specification Appendices to assist with any required conversions.

Work required by the contract will be paid based on the PAY UNIT (U.S. Standard English measure) as DESIGNATED IN THE SCHEDULE OF ITEMS.

Under each Specification Section with PAY ITEMS of work DESIGNATED IN THE SCHDULE OF ITEMS for measurement and payment under this contract, the last subsection “Payment - Basis”, shall have the following format:

Pay Item - Numbering system and work description to remain the same.

Pay Unit - Pay unit(s) DESIGNATED IN THE SCHEDULE OF ITEMS have been changed from metric to the corresponding unit of U.S.

Standard English measure.

Payment will be by units defined and determined according to U.S. Standard English measure and by the following:

(a) Cubic Yard in Place. Measure solid volumes by the average end area method as follows:

(1) Measure cross sections of the original ground and use with design or staked templates, or take other comparable measurements to determine the end area. Do not measure work outside of the established lines or slopes.

96 SPS 106-1 (11/20/09)

(2) If any portion of the work is acceptable, but is not completed to the established lines and slopes, remeasure cross sections or comparable measurements of that portion of the work. Deduct any quantity outside the designated or staked limits. Use these measurements to calculate new end areas.

(1) Compute the quantity using the average end areas multiplied by the horizontal distance along a centerline or reference line between the end areas. Deduct any quantity outside the designed or staked limits.

Where it is impractical to measure material by the average end area method, other approved methods involving three-dimensional measurements may be used.

Measure liquid volumes in accordance with SPS Subsection 106.03(h).

(b) Cubic Yard in the Hauling Vehicle. Measure the cubic yard volume in the hauling vehicle using three-dimensional measurements at the point of delivery. Use vehicles bearing a legible identification mark with the body shaped so the actual contents may be readily and accurately determined. Before use, mutually agree in writing upon the volume of material to be hauled by each vehicle. Vehicles carrying less than the agreed volume may be rejected or accepted at the reduced volume.

Level selected loads. If leveling reveals that the vehicle was hauling less than the approved volume, reduce the quantity of all material received since the last leveled load by the same ratio as the ratio of the current leveled load volume to the agreed volume. Payment will not be made for material in excess of the agreed volume.

Material measured in the hauling vehicle may be weighed and converted to cubic yards for payment purpose if the conversion factors are mutually agreed to in writing.

Compute quantity by using measurements of material in the hauling vehicles at the point of delivery. Load vehicles to at least their water-level capacity. Leveling of the loads may be required when vehicles arrive at the delivery point.

(c) Cubic Yard Mile. A combination of linear and volumetric measurement meaning the movement of a cubic yard of material one(1) mile.

(d) Hour. Measurement will be for the actual number of hours ordered and performed by the Contractor.

96 SPS 106-2 (11/20/09)

(e) Each. One complete unit, which may consist of one or more parts.

(f) Lump Sum. Do not measure directly. The bid amount is complete payment for all work described in the contract and necessary to complete the work for that item.

(g) MBF. One thousand feet board measure based on nominal widths, thickness, and extreme usable length of each piece of lumber or timber actually incorporated in the job. For glued laminate timber, 1,000 board feet based on actual width, thickness, and length of each piece actually incorporated in the job.

(h) Gallon. The quantity may be measured by any of the following methods:

a. Measured volume container.

b. Metered volume. Use an approved metering system.

c. Commercially packaged volumes.

(i) Station. One hundred linear feet measured horizontally.

(j) Station Yard. A combination of linear and volumetric measurement meaning the movement of a cubic yard of material one station.

(k) Square Yard. Measure on a plane parallel to the surface being measure or horizontal.

(l) Thousand Gallons Mile. A combination of linear and volumetric measurement meaning the movement of 1,000 gallons of material one(1) mile.

(h) Ton. Short ton consisting of 2,000 pounds. Use net certified scale weights based on certified volumes.

(m) Ton Mile. A combination of linear and weight measurement meaning the movement of one(1) ton of material one(1) mile.”

96 SPS 106-3 (11/20/09)

Section 160 - Quality Control & Quantity Measurement Construction

160.02 Quality Control and Quantity Measurement System

Under (a) Quality Control Plan, add the following:

"(3) Description of the testing facilities and information on when and where each of the required materials tests will be performed.

(4) Random sampling and/or measurement plan prepared in accordance with requirements in Table 160."

(5) A log of all samples that are taken by the Contractor shall be maintained for the duration of the contract, and provided to the Contracting Officer upon request. Test results on all samples shall be given directly to the Contracting Officer within 8 hours of test completion."

160.03 Sampling, Testing, Inspection, and Measurement of Quantities Add the following:

"Minimum sampling and testing FREQUENCY is defined in Table 160.

Sampling and testing by the contractor shall meet the applicable AASHTO and ASTM Standards.”

96 SPS 160-1 (11/20/09)

TABLE 160

SAMPLING, TESTING AND MEASUREMENT REQUIREMENTS

A soil type is defined such that all soil in the represented volume shall have the same group symbol in the Unified Soil Classification system (ASTM D 2487) and the percent passing the No. 4 sieve shall not vary more than 10 percent between samples.

Wherever a AASHTO T99 or T180 moisture density curve is required, gradation data will be provided as shown below. The moisture density sample shall maintain the same percentage of coarse material (passing 50 mm and retained on a number 4 sieve) as in the original field sample. Field density testing of soil will normally require the use of AASHTO T224, Coarse Particle Correction.

Field Sample

Moisture Density Test Material

Percent plus 19 mm

Percent plus No. 4

Percent 19 mm to No. 4 sieve

Percent minus No. 4 sieve

Where random sample or random measurement is specified, it shall be a stratified statistically random sample. Random numbers are to be determined by ASTM D3665 Section 5.1 thru 5.7, or a computer generated random number program approved by the Contracting Officer. The sampling must be stratified to eliminate the possibility of sample points being "clustered". Stratification is calculated by dividing the total quantity for the applicable bid item by the sample FREQUENCY. This process divides the total project quantity of one lot into sublots. The random number is used to obtain a random sampling point within each sublot. The contractor may terminate a lot, and start a new lot when approved by the Contracting Officer. Once a lot is terminated it may not be combined with any other lot. If material within a sublot fails to meet specification requirement, the Contracting Officer may allow the contractor to rework the sublot materials and resample at a different randomly selected location.

Key to symbols used in table:

CT: Sampling and testing by contractor's personnel identified by name on the approved contractor's Q/C plan. Interim approval of personnel submitted will be based on specified training or experience requirements. Final approval will be based on observation of work performance on the project.

PE: Sampling and testing under the direction of and certification by a registered engineer retained by the contractor and specifically identified on the approved contractor's Q/C plan.

FS: Sampling, testing, measuring and/or data to be furnished by the Forest Service.

96 SPS 160-2 (11/20/09)

Note: The minimum FREQUENCY shown in this table is for contractor Quality Control sampling and testing. The contractor can run additional samples over the minimum number specified in the table. These additional samples can be taken in any manner, at any time desired by the contractor. Quality assurance sampling and testing by the Forest Service may be done at any time or location.

SUBSECTION REFERENCE

Required Sampling, Testing and

Measurements Responsibility For

Sampling/Testing Minimum Frequency

206.10 & 206.11 Backfill & Embankment for Structures

Field Density

304.03 Gradation

Gradation and percent fracture (Section 703.05)

304.10 Compaction

Field Density

CT/CT

CT/CT

One test per source Submit test results from commercial supplier. At the request of the Contracting Officer, provide a QA sample for Government testing Certify that crushed aggregate is at a uniform moisture content suitable for compaction and materials are compacted in accordance with Compaction Method B

96 SPS 160-4 (11/20/09)

SUBSECTION REFERENCE

Required Sampling, Testing and

Measurements Responsibility For

Sampling/Testing Minimum Frequency

553A.02 Requirements

Concrete slump and air content

Concrete cylinder fabrication and testing

PE/PE

PE/PE

As required in specification

As required in specification

96 SPS 160-5 (11/20/09)

Section 170 – Construction Staking, L-Line

Description

170.01 Work.

Add the following:

“The Contractor will set vertical and horizontal controls for construction of the Roman Nose Trail Bridge AS SHOWN ON THE DRAWINGS and approved by the Contracting Officer.”

Measurement

170.21 Method.

Add the following:

“No separate measurement will be made for setting and maintaining vertical and horizontal construction controls for trail bridge in accordance with the specifications and drawings. All labor, equipment and materials associated with this item will be considered incidental to other pay items shown on the SCHEDULE OF ITEMS.”

Payment

170.22 Basis.

“No separate measurement will be made for this item. All costs associated with this item will be considered incidental to other pay items shown on the SCHEDULE OF ITEMS.”

96 SPS 170-1 (11/20/09)

Section 202 – Removal of Structures and Obstructions Description

202.01 Work

Add the following:

“This work consists of the removal and disposal of the existing Roman Nose treated timber trail bridge No. 165-0.2 and puncheon sections as SHOWN ON THE DRAWINGS.”

Construction

202.02 Salvaging Material

Add the following:

“There are no salvage requirements under this project associated with the removal of the Roman Nose Trail Bride and puncheon. The removed structures will become the property of the Contractor.”

202.04 Disposing of Material or Structures Not Designated for Salvage.

(a) Removal From Project.

Replace this paragraph with the following:

“All the components of the Roman Nose treated timber trail bridge and puncheon are considered unsalvageable to the Government and become the property of the Contractor. Dispose of all removed unsalvageable materials off National Forest System Lands in an environmentally safe manner in accordance with all Local, State and Federal requirements.”

(b) Burning. Delete this subsection:

(c) Burying. Delete this subsection.

96 SPS 202-1 (11/20/09)

Section 203 – Excavation, Embankment, & Haul Construction

203.06 Utilization of Excavated Materials.

(a) Excess Excavation.

Delete the first sentence and replace with the following:

“Transport and deposit excess excavation at the designated waste sites as specified in Section 105 of these Special Project Specifications or as SHOWN ON THE DRAWINGS. Spread excess material and shape to drain as directed by the Contracting Officer.”

(d) Excavation of Unsuitable Material & Backfill.

Replace the first sentence of this section with the following:

“Transport and deposit unsuitable material at the designated waste sites as specified in Section 105 of these Special Project Specifications or as SHOWN ON THE DRAWINGS. Spread the material and shape to drain as directed by the Contracting Officer.”

203.08 Sloping, Shaping, & Finishing.

Under subsection (d) Finishing, delete the last sentence and add the following:

“(d) Finishing. Finish trail bridge approachs to tolerance Class A as shown in Table 203-1. Transition the trail approach into the new bridge superstructure to provide a safe, uniform transition for a minimum of 50 L.F., and provide the proper trail surface elevation to achieve the designed trail surface drainage.”

203.16 Embankment Placement

(b) Specific Methods

(3) Method 3 – Layer Placement (Roller compaction)

96 SPS 203-1 (11/20/09)

Delete the last three sentences of this paragraph and add the following:

“Under Subsection 206.11 (embankment for major structures), establish the compactive effort required by the control strip method. Construct a control strip at the beginning of work on each type of material to be compacted. Ensure that the material used in the construction of the control strip meets the specification requirements and proper moisture content for maximum compaction. Use compaction equipment in the construction of the control strip designed for this purpose until visual displacement ceases. Replace any compaction equipment that fails to provide adequate compaction. Correct or remove unacceptable control strips and replace them at the Contractor’s expense.

Begin compacting the control strip immediately after the course has been placed to the specified thickness. Ensure that compaction is continuous and uniform over the entire surface. Continue compaction of the control strip with a minimum of three passes or until no discernible increase in density can be obtained by additional compactive effort as determined by the CO. Once the compactive effort has been established by the control strip method, apply this compaction process until soil type or other conditions change.”

Measurement

203.19 Method.

Add the following:

“No separate measurement will be made for approach excavation and embankment beyond normal structural excavation limits or transporting, spreading, and shaping excess, or unsuitable excavated materials. All labor, equipment and materials associated with these items will be considered incidental to other pay items shown on the SCHEDULE OF ITEMS.”

96 SPS 203-2 (11/20/09)

Section 204 – Soil Erosion & Water Pollution Control

Description

204.01 Work

Add the following:

“This work also includes project BMP’s implemented by Contractor for sediment containment through the entire reach of the Roman Nose Trail Bridge constructions site.”

Materials

204.02 Requirements.

Add the following:

“Provide straw for erosion and water pollution control from a certified noxious weed free source.”

Construction

204.03 Performance.

Delete the first sentence and replace it with the following:

“Prior to the start of construction, submit a written plan for review that provides permanent and temporary erosion control measures to minimize erosion and sedimentation during and after construction. Include methods to minimize disturbance to the stream, prevent runoff from the construction site entering directly into the stream, prevent the release of fuel and oil into the water and soil and to contain and control any spills that may occur. Do not begin work until the necessary controls for that particular phase of work have been implemented.

No in-stream work is anticipated or will be allowed for removal or installation of the Roman Nose Trail Bridge. Approved BMP’s for sediment containment must be utilized through the entire reach of the construction site.”

96 SPS 204-1 (11/20/09)

Add the following to this subsection:

“Emergency Spill Kit. Keep sufficient quantities of absorbent materials on the project site to absorb accidental fuel, hydraulic oil, or other petroleum product spills. Use absorbent materials that are biodegradable, non-water absorbing and designed specifically for the types of spills associated with the Contractor’s operation.”

Payment

204.15 Basis.

Add the following:

“Payment for straw bales, silt fence, dewatering, stream diversions or other BMP measures furnished and erected by the Contractor as a part of the Soil Erosion and Pollution Control Plan will be paid for under item 204(19) Soil Erosion and Pollution Control.”

96 SPS 204-2 (11/20/09)

Section 206 - Structural Excavation for Major Structures Construction

206.04 General.

Delete the second to last paragraph of this subsection and replace with the following:

"Suitable material may be used in the construction of the trail approach embankment and for structural backfill. Field drain and dry excessively wet material that is otherwise suitable for embankment before placement. Dispose of unsuitable or excess material according to SPS Subsection 105.06, Subsection 203.06 or as SHOWN ON THE DRAWINGS.”

206.10 Backfill.

Replace the third paragraph with the following:

"Place backfill or embankment material on both abutments so that not more than 1 foot of elevation difference exists between the backfill or embankment of the two abutments. No embankment or backfill shall be place higher than 1 foot below the top of the abutment grade beam until the steel bridge superstructure has been place, aligned and secured for proper expansion/contraction in slotted bolt holes. Ensure that the moisture content of backfill material is suitable for attaining the required compaction.”

206.11 Embankment.

Delete the second sentence of this paragraph and replace with the following:

“Compact backfill in accordance with Subsection 203.16(b), method 3, except approved hand operated mechanical tampers may be used for the required compaction. Due to the importance of good compaction behind bridge abutments, the contractor must demonstrate for Contracting Officer approval, capabilities of compaction equipment, proper moisture content of backfill material and compaction effort (passes) to obtain the specified compaction under Method 3 – Layer Placement (roller compaction).”

96 SPS 206-1 (11/20/09)

Measurement

206.12 Method

Replace the second paragraph with the following:

“Measure all structural excavation by Lump Sum. Includes all trail, bridge, bulletin board excavation and backfill, removal of unsuitable and excess material, haul and disposal of material for this project not specifically identified in related sections and included in the SCHEDULE OF ITEMS.”

96 SPS 206-2 (11/20/09)

Section 260 - Cellular Confinement System

Description

260.01 Work. Construct geocell abutment stabilization at each abutment using Presto Geoweb Cellular Confinement System, Webtec TerraCell, or approved equal in accordance with the plans and manufacturers recommendations.

Materials

260.02 Requirements. Ensure that material conforms to specifications in the following subsections:

Coarse Granular Backfill

703.03

Geocell

Geotextile, Type IV (A,B,C.D,E, or F)

714.01

Construction

260.03 General. Perform the work specified in Section 206. Use ditches, grading or similar methods to prevent surface runoff that may occur during inclement weather from ponding in the foundation excavation.

260.04 Geotextile Installation. Place the geotextile according to Section 221 or AS SHOWN ON THE DRAWINGS. Ensure that the surface upon which the geotextile is to be placed is uniform and is reasonably smooth and free of obstructions, depressions, and debris that could damage the geotextile . Have the surface approved by the CO prior to placing geotextile.

Lay the geotextile without tension, stress, wrinkles or creases. Sew or overlap adjacent strips a minimum of 12” at joints. Insert securing pins through both strips of overlapped geotextile at minimum intervals of 3 feet, but no closer than 2 inches to each edge, to prevent the geotextile from being displaced.

Have the installed geotextile approved by the CO prior to setting the geocells.

96 SPS 260-1 (11/20/09)

260.05 Geocell Installation. Place the geocell sections directly on the prepared subgrade. Expand the geocell sections into position at the grades and lines AS SHOWN ON THE DRAWINGS. Hold the expanded geocell sections with suitable “stretcher frames”, steel stakes driven inside selected outer cell walls, or other similar methods as allowed by the geocell manufacturer prior to filling. Ensure that the individual cells have been expanded to the minimum dimensions required by the manufacturer. If necessary field cut sections as per the manufacturer’s recommendations to the lines SHOWN ON THE PLANS.

Connect geocell panels in accordance with the manufacturer’s recommendations.

260.06 Infill Placement. Furnish the CO with the manufacturer’s specific recommendations for backfilling prior to placement of the geocells.

Place coarse granular backfill meeting subsection 703.03 into the expanded cells with equipment appropriate for the site conditions such as a backhoe or a front-end loader. Do not drop infill material more than 3 feet to avoid damage or displacement of the cell walls.

Overfill the geocell cells and level to a minimum of 2 inches above the top of the cell walls. A front-end loader may be used to place the infill provided that it only traffics above geocell sections that have been filled and covered with the minimum 2 inches of additional material. Compact the infill material with a vibratory plate compacter. Operate compaction equipment over the full width of the geocell until visible deformation of the infill ceases. Make at least three complete passes. Grade the surface to be ½ inch above the top of the cells. Ensure that the cell walls are not exposed after fine grading is completed.

Use the geocell manufacturer’s specific recommendations for backfilling if they are more stringent than stated above.

Measurement

260.07 Method. Use the method of measurement that is DESIGNATED IN THE SCHEDULE OF ITEMS.

Payment will be based on the contract unit price of geocell material placed and accepted. This will be exclusive of wastage and material placed outside the neat lines SHOWN ON THE DRAWINGS.

96 SPS 260-2 (11/20/09)

Payment

260.08 Basis. The accepted quantities will be paid for at the contract unit price for the PAY ITEM DESIGNATED IN THE SCHEDULE OF ITEMS.

The cost for furnishing and placing the Coarse Granular Backfill required for geocell infill is incidental to this pay item and no separate payment will be made.

The cost for furnishing and placing geotextile for the geocell installation is incidental to this pay item and no separate payment will be made.

Payment will be made under:

Pay Item

Pay Unit

260 (01) Geocell Abutment stabilization, __inch depth ………………… Square Yard

96 SPS 260-3 (11/20/09)

Section 304 - Aggregate Base or Surface Course Materials

304.03 Gradation.

Add the following:

“Crushed aggregate for trail approaches, parking lot and camping spur under Pay Item 304(11) will meet the requirements specified in Subsection 703.05, Table 703-3, Grading F or G for crushed aggregate surface courses and Table 703.02, Grading A for crushed aggregate subgrade courses or a similar gradation that meets the Idaho Department of Transportation or other Federal, State or local Government agency’s specifications and is approved by the Contracting Officer.”

96 SPS 304-1 (11/20/09)

Section 552 - Structural Concrete Description

552.01 Work.

Add the following to Table 552-1.

“Class

Minimum Maximum

Minimum of

Cement W/C

Air

Coarse

Concrete Content Ratio

Slump

Content Aggregate

P(AE)

0.44

0-100

5.0

No. 67”

Construction

552.03 Composition (Concrete Mix Design).

(x) Change the last sentence of this subsection to:

"The maximum air content shall be 8 percent."

96 SPS 552-1 (11/20/09)

Section 554 - Reinforcing Steel Construction

554.03 Order Lists.

Change the last sentence of the first paragraph to:

"Order list are not required unless specifically SHOWN ON THE DRAWINGS."

Delete the second paragraph.

554.09 Splices.

Change the second sentence of the first paragraph to:

"Provide lap lengths as SHOWN ON THE DRAWINGS."

96 SPS 554-1 (11/20/09)

Section 558 – Prefabricated, Modular Bridge Superstructure Materials

558.03 Design Requirements

Replace the entire subsection with the following:

“Design in accordance with the AASHTO “Guide Specifications for Design of Pedestrian Bridges”, August 1997 edition. In addition to the AASHTO specified loading, the bridge shall be designed for a 300 psf snow load.

The Roman Nose bridges shall be designed as Half-Through Pony Truss structure having one (1) diagonal per panel and utilizing an under hung floor beam (top of floor beam welded to the bottom of the bottom chord). Fabricate the top and bottom chords and diagonals from square or rectangular tubing. Provide a bridge width of for(4) feet measured from inside face of structural elements at the deck level. Provide a minimum height of 54” from the top of the deck to the top of the top chord. Provide exterior safety rails space to comply with AASHTO “Standard Specifications for Highway Bridges”, 17th edition.

Fabricate truss members and bracing components from high strength, low alloy atmospheric corrosion resistant steel. Blast clean all exposed surfaces of steel in accordance with Steel Structures Painting Council Surface Preparation Specification No. 7 Brush-Off Blast Cleaning, SSPC-SP& latest edition. Fabricate steel components in a fabricating plant that is certified for “Simple Steel Bridges (Sbr)” under the American Institute of Steel Construction (AISC) Quality Certification Program.

The final design shall be prepared by a licensed professional engineer whose sighed seal shall be on all the drawings and calculations that are submitted for review.

Acceptable Suppliers:

1. CONTECH Bridge Solutions

8301 State hwy 29 N

Alexandria, MN 56308

(800) 328-2047

(320) 852-7500

(760) 712-2294 - Idaho Representative (Kristen Krulitz)

96 SPS 558-1 (11/20/09)

2. Big R Manufacturing, LLC

P.O. Box 1290

Greely, Colorado 80632

(800) 234-0734

3. Roscoe Steel

5405 Momont Road

Missoula, MT 59808

(406) 532-7119 Alternate fabricators meeting these specifications are also acceptable.”

Measurement

558.09 Method

Delete the second paragraph and replace with the following:

“Measure prefabricated bridge superstructures on a per each basis. Furnishing bridge includes design, materials, transportation, equipment & labor to install the superstructure as SHOWN ON THE DRAWINGS.”

96 SPS 558-2 (11/20/09)

Section 601 – Mobilization Description

601.01 Work .

Add the following:

“Noxious Weed Control Requirements:

Clean all construction equipment prior to entry onto the project area. Remove all dirt and plant parts and material that could carry noxious weed seeds into the project area. Only construction equipment so cleaned and inspected by the Forest Service will be allowed to operate within the project area. Treat all subsequent move-ins of construction equipment in the same manner as initial move-ins. “Construction equipment” does not include personal vehicles or support equipment that remains on the main travel route.

Prior to the initial move-in, the contractor shall make all construction equipment available for inspection by the Forest Service at an agreed upon location. Provide the Forest Service at least 24 hours advance notification when equipment is ready for inspection.”

Measurement

601.02 Method

Add the following to this section:

“Make no separate measurement for Noxious Weed Control”

Payment

601.03 Basis.

Add the following:

“Include all costs associated with the cleaning of equipment in the unit price bid for Mobilization.”

96 SPS 601-1 (11/20/09)

Section 625 - Seeding and Mulching Description

625.01 Work

Add the following:

"All disturbed areas as well as finished cut and fill slopes are to be treated.”

Construction

625.03 Seeding Seasons.

Add the following:

"Time of application shall be as specified:

During the Months marked with an 'X' below:

XX

Should climatic conditions permit, application may be performed outside the months marked above upon written approval by the Contracting Officer."

625.05 Application Methods for Seed, Fertilizer, & Limestone.

Add the following:

"The kinds of seed to be furnished and the amounts to be applied in terms of pure live seed (PLS) shall be as follows:

(X) Moist Site Slender wheatgrass “Pryor or Revenue”

Hard Fescue "Durar"

Mountain brome “Bromar"

Annual rye"

Streambank Wheatgrass “Sodar”

TOTAL - 29# PLS/ACRE

1 No named variety needed for White and Alsike Clover as long as documentation showing results for All States Noxious Weed test is provided.

96 SPS 625-1 (03/06/09)

Grass seed mix: if a specifed seed species is not available, contractor shall request a substitute in writing to be approved by the Contracting Officer. Acceptable substitutes:

· Blue wildrye “Arlington or “Elkston” for slender wheatgrass

· Streambank wheatgrass “Sodar” for slender wheatgrass

Pounds of seed to be furnished per acre shall be obtained by dividing the pounds of pure live seed (PLS) required per acre by the product of the percent purity and percent germination.

Example:

5(# PLS/acre) = 6.55 pounds commercial seed per acre.

0.90 x 0.85 (where purity=90% and germination=85%) All seed purchased will be certified to be free of the noxious weed seeds from weeds listed on the current "All States Noxious Weeds List".

Test results from a certified seed analyst and seed analysis labels attached to the bags will be provided to the Forest Service. Lab testing for noxious weeds will be conducted prior to seed mixing. Only after a finding and documentation in writing of no weeds on the current "All States Noxious Weeds List" will the seed be accepted and used.

Seed shall be applied by the dry method. Fertilizer shall be applied at the rate of 200 pounds per acre in one application(s) by the dry method and have a chemical analysis as listed below:

Nutrient

Percent Nutrient

Percent

Nitrogen, N . . . 16 Potassium, K. . 0

Phosphorus, P205. 16 Sulphur, S. . . 16

625.06 Application of Mulch.

Add the following to “(b) Dry Method” “Mulch shall be either a straw (Section 713.05(a)) or hay (Section 713.05(b)) mulch that is Idaho certified weed free with the weed free certification attached.

Apply mulch uniformly at a rate of 2,000 pounds per acre within 48 hours after completion of the seed and fertilizer applications.”

96 SPS 625-2 (03/06/09)

PAYMENT

625.10 Basis

Add the following pay item:

“Pay Item Pay Unit 625(08) Seeding, Dry Method (with mulch) ……..………………….………. Lump Sum”

96 SPS 625-3 (03/06/09)

Section 626 – Trees, Shrubs, Vines, & Ground Cover Description

626.01 Work.

Delete this subsection and add the following:

“Take precautions to minimize equipment vegetation disturbance adjacent to the trail during construction of the Roman Nose Trail Bridge. Remove exiting designated trees, preserve and replant after construction. Do not grub any shrubs and take precautions to preserve the root systems.”

Construction

626.03 Performance.

Add the following to (c) Protection & Temporary Storage.

“Protect root wads during tree removal and wrap tree trunks and root wads with burlap or other approve materials. Begin wrapping the base of the tree root system with soil in place, extending to the first branches and tie off adequately. Carefully place the balled and burlapped plants in a prepared pit of sufficient depth to backfill with compost bark to the base of the tree trunk. Thoroughly water plants and keep moist until trees can be replanted.”

Payment

626.07 Basis

Add the following pay items:

“Pay Item

626(03) Site Vegetation Preservation, Remove, Preserve and Transplant …….. Each”

96 SPS 626-1 (11/20/09)

Section 633 - Signs Description

626.01 Work.

Add the following:

“Work includes the furnishing and installation of a bulletin board to include excavation for concrete foundation, hauling excess or unsuitable material to waste site and placing concrete foundation as SHOWN ON THE DRAWING.”

Payment

637.04 Basis

633(18) Bulletin Board, 3 Panel

Lump Sum”

96 SPS 633-1 (11/20/09)

Section 637 - Equipment Rental Equipment Add the following to paragraph 637.02 Requirements:

“Hydraulic Excavator with Thumb. Provide a track mounted hydraulic excavator, 1995 model year or newer. The hydraulic excavator will have an engine flywheel horse power of not less that 110 horsepower with minimum operation weight of 38,000 lbs. Bucket must be equipped with a hydraulic "thumb".

Small Dozer. Provide a small crawler tractor with dozer, 1995 model year or newer. The dozer will have an engine flywheel horse power of not less that 110 horsepower with minimum operation weight of 28,000 lbs, and equipped with hydraulically controlled straight or angle blade dozer with standard blade.”

Payment

637.04 Basis

637(01) Hydraulic Excavator with Thumb

Hour

637(02) Small Dozer

Hour”

96 SPS 637-1 (11/20/09)

Section 703 - Aggregate

703.01 Fine Aggregate for Portland Cement Concrete

(a) Change 'AASHTO M 6, class B' to 'AASHTO M 6, Class A'.

703.03 Granular Backfill

(a) Coarse Granular Backfill

Delete this paragraph and replace with the following:

“Furnish backfill material that consists of clean, hard durable particles or fragments of crushed stone, crushed slag or crushed gravel meeting the gradation shown below

Sieve Size

Percent Passing

1 inch

3/4 inch

75 to 100

No. 4

0 to 60

No. 40

0 to 50

No. 200

0 to 5”

703.05 Subbase, Base, & Surface Course Aggregate

Add the following:

“In lieu of the gradation requirements of this subsection, similar gradations from Commercial Sources that meet the Idaho Department of Transportation, or other Federal, State or local Government agency’s specifications may be submitted for approval by the Contracting Officer.”

96 SPS 703-1 (11/20/09)

Section 713 - Roadside Improvement Material

713.01 Topsoil

(a) Furnished Topsoil Add the following:

“Furnish material from a certified weed free source. Submit certification to Contracting Officer 7 days prior to delivery of topsoil to the project site so Forest Service can inspect the material source”

713.13 Bales

(a) Straw Bales.

Replace the first sentence with the following:

“Tie the bales with a commercial-quality baling string. Do not use baling wire. Use straw that is certified weed free and conforms to the following:”

96 SPS 713-1 (11/20/09)

Section 726 - Geocell Furnish geocell panels consisting of sheet strips fabricated from high-density polyethylene (H.D.P.E.). which are 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 materials can be placed.

Ensure that the polyethylene material used to fabricate the geocell sections is treated to resist ultraviolet degradation and that it conforms to the following:

(a) Density ………………………… 0.935-0.965 g/cm3 per ASTM D1505

(b) Environmental Stress

Crack Resistance (ESCR) ……… 2000 hour per ASTM D1693 Use strips with a sheet thickness, of 1.27 mm -5% +10% (50 mil -5% +10%) tested per ASTM D5199. Thickness shall be determined in the flat, before any surface texturing or other surface disruption.

Ensure that cell seam strength is uniform over the full depth of the cell. Test short-term peel strength per U.S. Army Corps of Engineers Technical Report GL-86-19, Appendix A. Provide a minimum seam peel strength of 2000 N (450 lb) for the 203 mm (8.0 in) depth cell.

Test seam hang-strength for a period of 30 days minimum at room temperature. Room temperature is defined in ASTM E41. Use test samples made by welding two 102 mm (4 in) wide polyethylene strips together. Ensure that a test sample consisting of two carbon black stabilized strips supports a 72.5 kg (160 lb) load for the test period and that a test sample consisting of carbon black stabilized strip and a HALS stabilized strip supports a 63.5 kg (140 lb) load for the test period.

Furnish the CO with a certificate signed by a legally authorized official from the company that manufactured the geocell. Ensure that the certificate attests that the geocell meets the chemical, physical, material and manufacturing requirements stated in the specification. When requested by the CO, furnish a sample of the geocell from each lot for verification testing.

During shipment and storage, wrap the geocell in heavy-duty protective covering. Protect the geocell from mud, soil, dust, debris and sunlight prior to installation.

96 SPS 726-1 (11/20/09)

The following products meet this specification:

GEOWEB manufactured by Presto Products Company, P.O. Box 2399, Appleton, WI 54913-2399, telephone 920-738-1222.

TERRACELL manufactured by Webtec, Inc., P.O. Box 19729, Charlotte, NC 28219, telephone 704-398-095.

96 SPS 726-2 (11/20/09)