Special Project Specifications - Gray Lead and Unnamed Mines Removal Action.pdf

SPECIAL PROJECT SPECIFICATION

GRAY LEAD AND UNNAMED MINES REMOVAL ACTION

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 FR Forest Route 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 ()

96 SPS 101-2 ()

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”

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 ()

Section 104 - Maintenance for Traffic

104.01 Use of Roads by Contractor

"The CONTRACTOR shall schedule construction operations in a manner which will assure that 1) the safety of the construction workers and the public is assured at all times and 2) the project is completed in a manner most beneficial to the project as a whole. Ensure safe passage of the public, property owners, residents, and lessees on Roads 172, 1595, 175, and 8403. Due to bridge load restrictions, heavy construction equipment must be mobilized via Roads 172 and 1595. Provide work advisory signs at the beginning of Roads 172 and 175 (near Basin, Montana) and at the beginning of F.S. Road 299 (near Helena, MT). All signing shall conform to the standards set forth in the Manual of Uniform Traffic Control Devices (MUTCD).

Traffic control shall consist of furnishing, installing, maintaining, and relocating necessary traffic signs, barricades, signals, and other traffic control devices necessary to ensure the safety of project personnel as well as the general public. One-way traffic shall be maintained at all times with passage for emergency vehicles from either direction. At the conclusion of daily construction activities, the CONTRACTOR shall ensure that proper traffic control measures remain in effect overnight. This includes limiting physical access to any open excavation or other hazard.

Prior to construction, the CONTRACTOR shall prepare and submit a detailed Traffic Control Plan for approval. The plan shall include, at a minimum, the following:

• Location of all signs, markers, barricades, and other traffic control devices to be used.

• Specifications for signs, markers, and barricades including references to MUTCD.

• Location for flag-persons, where used, along with anticipated dates and hours of use.

The Traffic Control Plan is subject to review and approval by the CO. The CONTRACTOR shall submit the Traffic Control Plan a minimum of 14 days in advance of commencement of work on the project. No work may commence until all approvals of the Traffic Control Plan have been secured.

Costs associated with traffic control shall be considered incidental to the project. No additional payment will be allowed for this work.

Commensurate with use, the CONTRACTOR shall maintain all unpaved Forest Service controlled roads used for hauling of materials under this contract.

Surface blading, ditch cleaning, and dust abatement shall constitute continuous and effective work prosecuted in accordance with the following specifications so that the roadway is kept in satisfactory condition at all times as approved by the COR.

Costs of this work shall be considered subsidiary to other items in this contract and the CONTRACTOR will not be paid an additional amount for such work.

96 SPS 104-1 ()

A) Surface Blading

1) Description: Surface blading is keeping a native or aggregate roadbed in a condition to facilitate traffic and provide proper drainage. It includes maintaining the roadway, shoulders, drainage dips, lead-off ditches, berms, turnouts, and provides a level of smoothness appropriate for the amount and kind of traffic served and consistent with existing surfacing.

2) Requirements

(a) Surface blading shall be repeated during the use period as often as necessary to facilitate traffic and proper drainage.

(b) Reasonably conform to the previous cross section, and eliminate ruts.

Existing aggregate surfacing materials shall be bladed to conserve material and to prevent segregation of particle sizes. Water shall be applied during blading if sufficient moisture is not present to prevent segregation. Rocks or other material remaining on traveled-way surface after the final blading that fail to pass a 3-inch sieve or are larger than the maximum size of imported surfacing shall be removed from the road surface. The oversized material shall be disposed of as approved by COR.

(c) Roadside cutslopes or berms shall not be undercut.

(d) At intersections, the roadbeds of side roads shall be graded for a reasonable distance to assure proper blending of the two riding surfaces.

(e) Drainage dips and leadoff ditches shall be cleaned and maintained to conform reasonably to their previous line, grade, and cross section.

(f) Berms shall be repaired when necessary by placing selected material as needed to restore the berm to its original conditions.

B) Ditch Cleaning

1) Description: Ditch cleaning is removing and disposing of all slough material from roadside ditches to provide an unobstructed waterway conforming reasonably to previous line, grade, and cross section.

(a) Slough Material

i. Slough material removed from the ditch, if suitable, may be blended into existing native road surface or shoulder or placed in designed berm in conjunction with surface blading operations. Slough material from ditch cleaning operations shall not be blended into aggregate surfaced roads unless otherwise agreed.

96 SPS 104-2 ()

ii. Slough material that is not blended into existing roads or placed in berms shall be disposed of as approved by COR.

C) Dust Abatement

1) Description: Dust abatement is keeping a road in such condition that driving is neither hazardous nor is there appreciable loss of surface material. Water, bituminous products, lignin sulfonates, calcium chloride, and other material may be used for dust abatement. Materials other than water will require approval of the COR and shall meet specifications furnished by the COR.

(a) The road surface will be prepared as necessary to permit reasonable penetration of the selected dust abatement material. Such preparation shall be in accordance with Surface Blading.

(b) The rate of application will be such that the selected material will not run off the surface and cause pollution or unnecessary waste.”

96 SPS 104-3 ()

96 SPS 106 -1 ()

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 SCHEDULE 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 performing surveys using a State of

Montana licensed land surveyor to survey all pre-excavation and post-excavation surfaces.

The difference, in volume, between the two surveys shall be the payment quantity. The difference may be calculated using the average end area method, or by constructing triangulated irregular networks, or using other standard engineering method approved by the CO.

(1) Survey work shall be performed as specified in Section 170.

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

(3) Deduct any quantity outside the designed or staked limits.

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

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

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

(d) 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.

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

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

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

96 SPS 106 -2 ()

Section 160 - Quality Control & Quantity Measurement

160.01 Construction Quality Control and Quantity Measurement System

Quality Control Plan

Delete paragraphs (a) and (b).

160.03 Sampling, Testing, Inspection, and Measurement of Quantities

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

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

(a) Gradation Testing

(1) Gradation test results shall be available for Forest Service review within 8 crushing hours of the time when samples were taken.

(2) Sieving of coarse aggregate (plus No. 4 material) shall be done in accordance with AASHTO T 27, except that the difference between the total weight of material after sieving must be within 1.0% of the original weight of sample sieved. The AASHTO requirement of 0.3% is changed to 1.0% for only coarse aggregate sieving.

(3) The weight of minus No. 200 by dry sieving after washing shall not be more than 5 grams above the allowable weight established by the COR during the test procedure check at the start of the project.

(4) The entire sample shall be washed with water containing dispersing agent, unless the COR determines that washing the plus No. 4 material is not necessary, and such waiver is approved in writing.

(5) All tests shall be recorded on forms approved by the COR.

(b) Initial sampling and testing shall not be considered a final acceptance and shall not preclude later Forest Service quality assurance sampling and testing to check for compliance with gradation and plasticity requirements after final processing of the material. Such sampling shall not relieve the CONTRACTOR of the responsibility of providing quality control measures to ensure compliance with contract requirements.

(c) If Forest Service quality assurance tests on samples taken in accordance with paragraph (b) above vary from the CONTRACTOR's test results, additional quality assurance sampling and testing may be required at an independent laboratory selected by the Forest Service. The allowable difference between the CONTRACTOR's gradation results and the quality assurance test results shall be 2% for percent passing the No. 200 sieve and 4.5% for percent passing all other sieves listed in the applicable specification. If the quality assurance and CONTRACTOR test results do not compare within the stated allowable differences, the Forest Service may take the following action:

96 SPS 160 -1 ()

(1) Use the quality assurance sample test results for acceptance.

(2) Reduce payment by one hundred dollars for each of the

CONTRACTOR tests that are defective."

TABLE 160

Sampling and Testing Requirements

Item Test Method Frequency

Rock or riprap gradation ASTM D5519 Method B or ASTM C136, C117, D422, D1140 Every 250 cy

ASTM C136, C117, D422, D1140

AASHTO T-99

Every Material Type

Other Earth Materials

ASTM D2922/D3017 Every 250 cy

Compost % moisture ASTM D2216 Every 20 tons

Compost total Kjeldahl Nitrogen ASA 31-3 Every 20 tons

Compost organic matter ASTM D2974 Every 20 tons

Notes for Table 160 - 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. 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.

Wherever an 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 2 inch and retained on a number 4 sieve) as in the original field sample.

Field Sample Moisture Density Test Material Percent plus 3/4" Percent plus No. 4 Percent 3/4" to No. 4 sieve Percent minus No. 4 sieve

96 SPS 160 -2 ()

96 SPS 170 -1 ()

Section 170 – Construction Staking, L-Line

Description

170.01 Work

Delete the first line of this section and add the following:

“Complete the construction staking of the project excavations in accordance with project specifications.

Construction surveying staking for the project shall include the following:

(1) Establishment of clearing limits for waste removal areas, road alignments, surface water channel alignments, or other disturbance areas.

(2) Establishment of control points and a reference orthogonal grid within the waste removal areas to calculate quantities of excavation.

No surveying or slope staking will be done for road construction other than marking clearing and grubbing.”

Material

170.02 Stakes

“Use stakes, lath and hubs of size and construction selected by the CONTRACTOR and approved by the COR.”

170.03 Survey Notes

“Provide one set of electronic and hardcopy survey notes to the COR. Any calculations for quantities based on survey data shall be provided to the COR in electronic format in a worksheet that clearly verifies the quantity calculations. Provide any drawings used for quantity calculations or otherwise required in electronic format in AutoCAD readable files.”

170.04 Government Furnished Documents

Delete “L-Line survey notes, P Line to L Line offset data, construction staking notes,” from this paragraph.

170.05 Precision

“Use Precision C in Table 170-1 for traverse and level loop surveying. Grid points and other staked construction points shall have a horizontal accuracy of ±.5 ft and vertical accuracy of ±0.2ft.”

170.07 Re-establish Preliminary Survey Line

Delete this section in its entirety and add the following:

“170.07A Orthogonal Grid

Establish control points and an orthogonal grid consisting of points on a 25-foot x 25-foot grid that covers the entire waste removal area at the Gray Lead and Unnamed Mines. Before any excavation of waste material occurs, survey elevation of the existing ground at each grid point. Following removal and prior to regrading, survey the elevation of the completed grade at each grid point.

Provide all notes, survey measurements, and volume calculations to the COR.”

170.21 Method

Delete this section in its entirety and add the following:

“No separate measurement will be made for this item.”

Payment

170.22 Basis

170(07) Site survey and staking.........................................................................................................lump sum

96 SPS 170 -2 ()

96 SPS 201 -1 ()

Section 201 – Clearing & Grubbing

Construction

201.03 Utilization of Timber

Add the following:

“Salvage merchantable timber meeting the following minimum utilization standard and deck at the locations determined by the COR. Timber to remain U.S. Forest Service property.

Lodgepole Pine

Diameter breast height = 6.6 inches Merchantability = 10.67 (33 1/3%) Minimum Length = 8.0 feet Diameter inside bark at small end = 5.6 inches Soundness = 100%

Douglas Fir

Diameter breast height = 7.0 inches Merchantability = 10.67 (33 1/3%) Minimum Length = 8.0 feet Diameter inside bark at small end = 5.6 inches Soundness = 100%

201.05 Slash Treatment

(4) Scattering

“For the temporary constructed access roads and waste removal areas, temporarily stockpile all slash. Following revegetation, scatter slash randomly over the reclaimed roads and waste removal areas.“

Payment

201.07 Basis.

Add the following:

“201 (10) Clearing, grubbing, temporarily stockpile and scatter slash over reclaimed areas .................................................................................................................................acre”

Section 202 – Removal of Structures & Obstructions

Description

202.01 Work.

“Four work items are performed under this section:

(1) Removing, segregating and stockpiling all combustible and non-combustible debris that is buried within excavated waste. Do not disturb historical structures AS

SHOWN ON THE DRAWINGS.

(2) Loading, hauling, and disposing non-combustible debris that is not scheduled for salvage. All disposal fees shall be the responsibility of the CONTRACTOR.

(3) Protection of historic features AS SHOWN ON THE DRAWINGS.

(4) Removal and replacement of the engine, mill equipment, and outhouse at the Gray

Lead Mine AS SHOWN ON THE DRAWINGS and as approved by the COR.”

Construction

202.02 Salvaging Material.

Add the following:

“Remove and set aside historic features SHOWN ON THE DRAWINGS at locations indicated by the COR. Damage to historic items shall be minimized during removal and replacement operations. Items that are set aside will be placed in their original location after waste removal.”

202.03 Removing Material.

“Combustible and non-combustible debris shall be stockpiled separately as approved by the COR. All waste material shall be removed from the debris prior to stockpiling.”

202.04 Disposing of Material or Structures Not Designated for Salvage.

“(a) Non-combustible debris shall be disposed at a Class II licensed landfill.

Delete (b) and (c) and add the following:

“(b) Stockpile combustible debris at locations designated by the COR.

96 SPS 202 -1 ()

Measurement

202.05 Method.

“CONTRACTOR shall provide weight tickets to the COR for non-combustible debris disposed at the landfill.”

202.06 Basis.

Add the following:

“202 (06) Non-combustible debris disposal ........................................................................................... ton 202 (07) Protect Historic Features................................................................................................lump sum 202 (08) Remove and Replace Historic Features .............................................................................. each”

96 SPS 202 -2 ()

96 SPS 203 -1 ()

Section 203 – Excavation, Embankment and Haul

203.01 Work

“The work consists of excavation, haul, and placement of mine waste and tailings at Luttrell Repository AS SHOWN ON THE DRAWINGS. Incidental to this work is the immediate cleanup of any spillage of mine waste outside the designated waste grading area. Any work and materials needed to restore spill sites to pre-existing conditions is the sole responsibility of the CONTRACTOR. Additional road construction necessary to access waste removal areas is incidental to waste removal and no separate payment will be made. Water is available at the point where F.S. Road 8403 crosses the headwaters of Cataract Creek (at Cataract Meadows).

Water required for dust suppression, compaction, or any other use is incidental to the work and no separate payment will be made.

203.02 Excavation

“All waste areas shall be over-excavated 0.5 feet below the waste/native soil boundary. The COR shall determine the location of the waste/native soil boundary. The CONTRACTOR shall notify the COR before proceeding with over-excavation.

The CONTRACTOR shall regrade removal areas and shape surfaces to best conform to the surrounding terrain, as approved by the COR. The CONTRACTOR shall notify the COR for approval of final regraded excavation surfaces and survey prior to beginning additional reclamation work.”

Construction

203.06 Utilization of Excavated Materials

(d) Excavation of unsuitable material and backfill

“During removal operations, if encountered in the excavated waste, the CONTRACTOR shall remove all organic material and debris larger than two inches thick or 24 inches in length from waste material before loading the waste. All organic material shall be cleaned of waste by removing visible waste; temporarily stockpile organic materials at a location(s) approved by the COR. Following revegetation, scatter slash randomly over the reclaimed roads and waste removal areas.”

Section 204 – Soil Erosion & Water Pollution Control

Materials

204.02 Requirements.

“Provide and place silt fence for erosion and water pollution control AS SHOWN ON THE DRAWINGS or as defined in the Erosion Control Plan submitted by the Contractor.

Provide and place wattles or straw bales from a certified noxious weed free source.

Hay bales shall not be used.”

204.03 Performance.

Delete the first sentence and replace it with the following:

“Prior to the start of construction, submit a written Soil Erosion and Pollution Control Plan for review that provides permanent and temporary erosion control measures to minimize erosion and sedimentation during and after construction. The plan shall be written in accordance with the U.S. Environmental Protection Agency’s Storm Water Management for Construction Activities; Developing Pollution Prevention Plans and Best Management Practices, September, 1992. The submitted plan shall be specific to the project sites and shall detail locations and types of best management practices that will be used during construction. Include methods to minimize disturbance to area streams, prevent runoff from the construction site from entering directly into area streams, 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.”

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.”

96 SPS 204 -1 ()

Section 210 – Closing, Obliteration, or Treatment of Existing Roads

210.01 Work

“Following waste removal the haul roads shall be reclaimed including removal of culverts.

Culverts shall be removed, salvaged, and become the property of the CONTRACTOR.

Removal and salvage of culverts is incidental to the work and no separate payment will be made.”

96 SPS 210 -1 ()

Section 249 – Composite Road Construction

Description

249.01 Work

“The centerline of the new road will be flagged by the COR.

249.03 Clearing and Disposal

(a) Merchantable timber

Delete this section in its entirety and add the following:

“Utilize merchantable timber using method 2 as described in section 201. Windrow slash at the toe of the road embankment and scatter all slash using Method 4 as defined in section 201.”

96 SPS 249 -1 ()

96 SPS 304 -1 ()

Section 304 – Aggregate Base or Surface Course

304.01 Work.

“In areas marked by the COR and indicated on the Road Logs, place granular surface course material free of organic matter and rocks larger than 3 inches in diameter. Granular surface course shall be obtained from a designated local borrow area AS SHOWN ON THE DRAWINGS or as approved by the COR. Borrow area development and reclamation is specified under Section 611.

Excavation, processing, and haul are incidental to the work and no other payment will be made.”

304.03 Gradation.

“Surface course material shall have the following gradation:

Size % Passing

3” 100 No. 4 30-60 No. 200 5-15

Using a grizzly to process the surface course material is acceptable if the gradation specified cannot be met. However, rocks larger than 3 inches in the largest dimension may not protrude above the prepared surface. Any rocks protruding more than one inch from the surface shall be removed by the CONTRACTOR.“

Section 601 – Mobilization

601.01 Work.

“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.”

601.03 Basis.

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

96 SPS 601-1 ()

Section 603 – Metal Pipe

“Work includes furnishing and installing Corrugated Metal Pipe including appurtenances as required to complete the work.”

603.03 Excavation.

“Excavation for pipe installations is incidental to the work and no other payment will be made.”

603.04 Bedding.

“Bedding material shall be obtained locally or from local borrow areas. Bedding material for pipe installations is incidental to the work and no other payment will be made.”

603.08 Backfilling.

“Backfilling for pipe installations is incidental to the work and no other payment will be made.”

96 SPS 603B-1 ()

Section 611 – Development of Pits and Quarries

Construction

611.02 General.

Delete the first paragraph and add the following:

“At the locations shown on the DRAWINGS, coordinate with the COR to develop a pit development plan. The plan shall include access road location, topsoil stockpile location, and approximate pit extents.”

611.04 Clearing Grubbing, and Slash Cleanup.

“The CONTRACTOR shall meet clearing, grubbing, and slash cleanup requirements as specified in SPS 201. After development of the pit is complete and the topsoil is replaced, slash shall be scattered on the reclaimed surface.”

611.05 Access Roads.

“The locations and construction of access roads to the borrow areas shall be approved by the COR prior to borrow area development. The CONTRACTOR is responsible for properly sizing and aligning the access roads appropriate for the equipment using the road.”

611.06 Topsoil.

“The COR shall approve all topsoil stockpile locations. The depth of topsoil removal shall be approved by the CO.”

611.10 Restoration.

Delete paragraphs one and two and add the following:

“After excavation is complete in part or all of the area, slope and grade the side slopes to a slope of 2.5:1 or flatter, if possible, and smooth the general pit area. The pit bottom shall be sloped to drain. The COR shall approve the final restored pit slopes.

Access roads shall be removed and obliterated. The entire disturbed area shall be seeded, fertilized, and mulched in accordance with Section 625. Seeding, fertilizing, and mulching shall be paid under Section 625.”

96 SPS 611-1 ()

96 SPS 625-1 ()

Section 625 – Seeding and Mulching

625.01 Work

“Seed and fertilize all areas disturbed by construction unless otherwise required within these specifications or directed by the COR. Fertilizer is not to be placed within 10 feet of flowing surface water. Three work items are covered under this section:

1. Seed and fertilize areas disturbed by upgraded/constructed roads, and reclaimed roads.

2. Work will include loading, hauling, placing, spreading, and incorporating organic matter into the upper four (4) inches of the excavated surfaces at the Gray Lead and Unnamed mines.

3. Fertilizing, seeding, and application of mulch on the disturbed areas at Gray Lead and

Unnamed mines. “

625.02 Requirements

Delete the first and third paragraph from Section 713.03 and replace with the following:

“Fertilizer used for dry application shall be of brand name Biosol Mix® or equivalent. Biosol Mix® contains the following nutrients; 7% total nitrogen (including 0.5% water soluble nitrogen), 2% phosphoric acid (P2O5) and 3% soluble potash (K2O). Biosol Mix® is available from Rocky Mountain Bio-Products (970) 926-1025 and from Albright Seed Company (805) 484-0551.”

“The seed mix for the project is shown on the following table:

Seed Mixture

Common Name Scientific Name Cultivar Seeds/ft2 Seeds/lb Pounds PLS per Acre1,2

Tufted hairgrass Deschampsia cespitosa Nortran 25 2,500,000 0.5 Idaho fescue Festuca idahoensis Joseph 25 450,000 2.5 Hard fescue Festuca scabrella Serra 25 565,000 2.0 Sandberg’s bluegrass Poa sandbergii -- 25 925,000 1.2 Wild lupine3 Lupinus perennis -- 6 21,000 12.5 Cereal rye Secale cereale Empire 7 18,000 17.0

Total 113 -- 35.7

Notes: 1 Seeding rate is calculated for drill method. Rate should be doubled for broadcast seeding methods.

2 PLS indicates pounds of pure live seed per pound of dry seed.

3 Wild lupine is a legume that requires species specific inoculation with nitrogen fixing bacteria.

Seeds of the species listed in the table above shall be obtained by the CONTRACTOR from a commercial source whose seed supply is located not less than 40 degrees north latitude. These seed mixtures shall be applied to the areas described above using either drilling or broadcast methods. Seeding rates shown in the tables are for drill methods. Rates shall be doubled for broadcast application.

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.

0.9 x 0.85 (where purity = 90% and germination = 85%)

All seed purchased will be certified to be free of 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 COR. 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.”

“The CONTRACTOR shall supply organic material in the form of compost. Compost must be weed seed free, have reached an ambient temperature of at least 140 degrees Fahrenheit, and must be supplied by a source that uses a suitable method of composting. The COR shall approve the source of compost that the CONTRACTOR proposes to use. CONTRACTOR shall submit the proposed compost source 14 days prior to shipping.

Delete specifications 713(g)(1) through (g)(6) and replace with the following:

“Organic matter (dry weight), total nitrogen content (dry weight), and moisture content must be verified by testing for every 20 tons compost delivered. The dry weight of organic matter shall be determined by ASTM D 2974 using a LECO furnace (preferably) or loss on ignition at 400ºC for 16 hours. Total nitrogen shall be determined by ASA Method 31-3 (Table 160).

Percent moisture shall be determined by ASTM D 2216. Compost shall meet the specifications listed in the table below.

Compost Specification

Parameter Specification

Total Carbon to Total Nitrogen Ratio Less than or equal to 40:1

Biosolids Must Meet 40 CFR part 503 regulations for composting of biosolids Class A

Minimum Temperature 140 degrees Fahrenheit”

96 SPS 625-2 ()

625.03 Seeding Seasons

“Seed, fertilizer, mulch and organic matter shall be applied only between September 15 and October 31.“

625.04 Soil Preparation

“Rip all areas that have been compacted by construction traffic to a depth of twelve inches as directed by the COR. Break soil clods to less than three (3) inches in diameter.”

625.05 Application Methods for Seed, Fertilizer, & Limestone

“Fertilizer shall be placed on all disturbed areas and incorporated into the top four inches of soil at the rate of 2,000 pounds per acre. Acceptable methods of incorporating include disking, mixing with a stabilizer, rototilling or other methods as approved by the COR. Ripping is not an acceptable method.

Organic matter in the form of compost shall be spread on all areas specifically described in Section 625.01 above. Organic matter shall be added to the soil at a rate of 45,000 pounds (dry weight) per acre and incorporated into the upper four (4) inches of soil using methods described above for fertilizer.”

625.06 Application of Mulch

Add the following to “(a) Hydraulic Method”

“Apply grass straw cellulose fiber mulch and non-asphalt emulsion tackifier described in Sections

713.05 and 713.12, respectively. Mulch uniformly at a rate of 2,500 (dry) pounds per acre and tackify at a rate of 80 pounds per acre.”

Add the following to “(b) Dry Method”

“Apply mulch uniformly at a rate of 3,000 pounds per acre within 48 hours after completion of the seed application. Following placement, mulch shall be crimped or tacked in placed by tracked equipment. Straw used for this item is incidental to this item and is not paid separately.”

96 SPS 625-3 ()

Measurement

625.09 Method

“Compost will be measured by the dry weight of organic matter incorporated into the soil. Dry weight will be determined by the total weight of compost delivered to the site as shown on weight tickets supplied by the CONTRACTOR multiplied by the following factor:

(100-% moisture) X (100-% organic matter)” 100 100

625.10 Basis

“625(08) Load, haul, place, spread, and incorporate organic matter (dry weight) ......................... ton 625(09) Seeding and fertilizing (without mulch)...................................................................................acre”

96 SPS 625-4 ()

96 SPS 637-1 ()

Section 637 – Equipment Rental

Equipment

637.02 Requirements

“Large Dump Truck. Provide a fully operated large dump truck with a minimum capacity of 12 cubic yards, 1990 model year or newer with retractable cover.”

Hydraulic Excavator. Provide a fully operated track mounted hydraulic excavator, 1990 model year or newer with ROPS. Bucket must be equipped with an hydraulic “thumb” and must have a capacity of 1.5 cubic yards or more.

Dozer. Provide a fully operated dozer, 1990 model year or newer minimum D6H Series II with an 11-foot or larger straight blade and ROPS.”

637.03 Basis

“Pay Item Pay Unit

637(01)a Large Dump Truck..................................................................................... hour

637(01)b Hydraulic Excavator with Thumb........................................................... hour 637(01)c Dozer ........................................................................................................... hour”

Section 652 – Adit Discharge Infiltration Basin

652.01 Work

Work shall consist of excavating, placing geotextile, placing filter gravel and Government-furnished rock, and backfilling with road surface course to the lines and dimensions SHOWN ON THE DRAWINGS. Incidental to this work, the CONTRACTOR shall provide surface water diversion to maintain a dewatered work area. The CONTRACTOR shall prevent sediment transport away from the site during construction. The location of the basin shall be approved by the COR.

652.02 Requirements

Geotextile - Type IV-A, in accordance with Table 714.4 of Subsection 714.01.

Filter Gravel – Conforms to the grading SHOWN ON THE DRAWINGS.

Government-Furnished Materials – Large rock and surface course will be available from the borrow area SHOWN ON THE DRAWINGS.

652.03 Excavation

Excavation shall be done in accordance with Section 203 (Excavation, Embankment, and Haul).

Construct the infiltration basin at the approximate location SHOWN ON THE DRAWINGS.

Excavate to the lines and dimensions SHOWN ON THE DRAWINGS. Excavated soil shall be used during the reclamation of the areas where waste removal occurred. If temporary stockpiling of this soil is needed, locations shall be approved by the COR. Smooth basin excavation surfaces by removing all projections that may damage geotextile.

652.04 Geotextile

Position geotextile without stretching such that it lies smoothly in contact with the excavated surface and wraps completely around the gravel. Overlap joints a minimum of two (2) feet with the upgradient geotextile placed over the downgradient geotextile. Place geotextile over the rock near the closed adit AS SHOWN ON THE DRAWINGS before placing surface course material. Replace any geotextile damaged during installation. Make necessary repairs in accordance with manufacturer’s recommendations.

96 SPS 652-1 ()

652.05 Filter Gravel

Place filter gravel AS SHOWN ON THE DRAWINGS. Do not permit soil materials or other foreign matter to enter gravel. Backfill in 6-inch layers by first dampening the filter gravel and then compacting each layer in accordance with Section 203.16 Method 2.

652.06 Cover Soil

A 1-foot thickness of 3” minus gravel material from the borrow area SHOWN ON THE DRAWINGS shall be used as cover on the infiltration basin as approved by the CO.R Compact the surface course material in 6-inch layers in accordance with Section 203.16 Method 3.

CONTRACTOR shall not disturb or damage the geotextile underlying the surface course material.

652.07 Method

Use the Method of Measurement designated in the SCHEDULE OF ITEMS.

652.07 Basis

The quantities will be paid for at the contract unit price for each PAY ITEM DESIGNATED IN THE SCHEDULE OF ITEMS. Payment will be made under:

Pay Item Pay Unit 652 (01) Construct infiltration basin................................................................................lump sum

96 SPS 652-2 ()

Section 653 – Construct Channels

653.01 Work

Work shall consist of excavating a channel and placing composite turf reinforcing mat to the lines and dimensions SHOWN ON THE DRAWINGS. The channel shall be excavated in a manner to receive the outflow from the adit discharge infiltration basin constructed in accordance with SPS 652. The Contractor shall prevent sediment transport away from site during construction.

653.02 Requirements

Permanent Reinforcement Mat

The composite turf reinforcement mat shall be a machine-produced mat of 100% coconut fiber matrix incorporated into a permanent three-dimensional netting structure. The composite turf reinforcement mat shall be the North American Green C350, or equivalent.

The matrix shall be stitch bonded between a heavy duty UV stabilized bottom net with 0.50 x

0.50 inch (1.27 x 1.27 cm) openings, a super heavy duty UV stabilized, dramatically cuspated (crimped) intermediate netting with 0.50 x 0.50 inch (1.27 x 1.27 cm) openings, over lain with a heavy duty UV stabilized top net with 0.50 x 0.50 inch (1.27 x 1.27 cm) openings. The cuspated netting shall form prominent closely spaced ridges across the entire width of the mat. The three nettings shall be stitched together on 1.50 inch (3.81 cm) centers with UV stabilized polypropylene thread to form a permanent three dimensional structure.

All mats shall be manufactured with a colored thread stitched along both outer edges (approximately 2 - 5 inches [5-12.7 cm] from the edge) as an overlap guide for adjacent mats.

The permanent composite turf reinforcement mat shall have the following physical properties:

Material Content

Matrix 100% Coconut Fiber, (0.50 lb/yd² [0.27 kg/m²])

Nettings Top - Heavy UV Stabilized Polypropylene

8.50 lbs/1,000 ft² (4.15 kg/100 m²) Mid - Super heavy UV Stabilized Polypropylene 20 lb/1,000 ft² (10.21 kg/100 m²) Bottom - Heavy UV Stabilized Polypropylene

8.50 lbs/1,000 ft² (4.15 kg/100 m²)

Thread UV Stabilized Polypropylene

Physical Specifications (per roll)

96 SPS 653-1 ()

96 SPS 653-2 ()

English Metric Width 6.50 ft 2.00 m Length 55.50 ft 16.90 m Weight 37.00 lbs + 10% 16.80 kg + 10% Area 40.00 yd² 33.40 m²

Turf Reinforcement Mat Staples

The turf reinforcement mat staples shall be installed to a minimum density of 1 staple/two square feet using 6-inch long “U” staples consisting of 11-gauge wire. 8-inch long staples shall be used in loose soils. 9-gauge staples or heavier may be necessary in hard or rocky soils.

653.03 Construction

The reinforcement mat shall be placed in accordance with the manufacturer’s recommendations.

Compost and seed shall be installed on the excavated surface of the channel before placing the reinforcement mat. The reinforcement mat shall be installed to the general configuration AS SHOWN ON THE DRAWINGS. Staples shall be used to secure the reinforcement mat to the soil. Staples shall be installed in a grid pattern with minimum density of 1 staple/two square feet.

Blend the channel smoothly with the outflow of the infiltration basin AS SHOWN ON THE

DRAWINGS.

653.04 Method

Use the Method of Measurement designated in the SCHEDULE OF ITEMS. For measurement purposes, the point where the turf reinforcement mat meets the Government-furnished rock shall be considered the…