Brundage Stewardship specsBensCorrections.doc
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TABLE OF CONTENTS
Table of Contents…………………………………………………………………………1 FSSS-101 Terms, Format, and Definitions…………………………………………… FSSS-102 Bid, Award, and Execution of Contract……………………………………….5 FSSS-103 Scope of Work…………………………………………………………………6 FSSS-104 Control of Work……………………………………………………………….7 FSSS-105 Control of Material…………………………………………………………….8 FSSS-106 Acceptance of Work…………………………………………………………...9 FSSS-107 Legal Relations and Responsibility to the Public…………………………….10 FSSS-108 Prosecution and Progress……………………………………………………..12 FSSS-109 Measurement and Payment…………………………………………………...13 FSSS-151 Mobilization…………………………………………………………………..14 FSSS-152 Construction Survey and Staking…………………………………………….15 FSSS-156 Public Traffic…………………………………………………………………20
FSSS-157 Soil Erosion Control………………………………………………………….23 FSSS-171 Weed and Disease Prevention………………………………………………..25 FSSS-201 Clearing and Grubbing ………………………………………………………27 FSSS-203 Removal of Structures and Obstructions……………………………………..30 FSSS-204 Excavation and Embankment………………………………………………...31 FSSS-209 Structure Excavation and Backfill……………………………………………32 FSSS-251 Riprap………………………………………………………………………...33 FSSS-301 Untreated Aggregate Courses………………………………………………...34 FSSS-303 Road Reconditioning…………………………………………………………36 FSSS-322 Crushed Aggregate…………………………………………………………...38 FSSS-552 Structural Concrete – Precast Footings……………………………………….43 FSSS-576 Precast Box Culvert…………………………………………………………..44 FSSS-602 Culverts and Drains…………………………………………………………..47 FSSS-603 Structural Plate Structures……………………………………………………48 FSSS-625 Turf Establishment…………………………………………………………...51 FSSS-648 Stream Simulation………………………………………………………… FSSS- 651 Development of Pits and Quarries…………………………………………...55 FSSS-703 Aggregate……………………………………………………………………..56 FSSS-705 Rock
FSSS-101
Section 101 – TERMS, FORMAT, AND DEFINITIONS 101.01_nat_us_01_22_2009
101.01 Meaning of Terms
Delete all references to the TAR (Transportation Acquisition Regulations) in the specifications.
101.03_nat_us_06_16_2006
101.03 Abbreviations.
Add the following to (a) Acronyms:
AFPA
MSHA
NIST
NESC
WCLIB
American Forest and Paper Association Mine Safety and Health Administration National Institute of Standards and Technology National Electrical Safety Code West Coast Lumber Inspection Bureau
Add the following to (b) SI symbols:
| mp |
| Milepost |
| ppm |
| Part Per Million |
101.04_nat_us_03_29_2007
101.04 Definitions.
Delete the following definitions and substitute the following:
Bid Schedule--The Schedule of Items.
Bridge--No definition.
Contractor--The individual or legal entity contracting with the Government for performance of prescribed work. In a timber sale contract, the contractor is the “purchaser”.
Culvert--No definition.
Right-of-Way--A general term denoting (1) the privilege to pass over land in some particular line (including easement, lease, permit, or license to occupy, use, or traverse public or private lands), or (2) Real property necessary for the project, including roadway, buffer areas, access, and drainage areas.
Add the following:
Adjustment in Contract Price--“Equitable adjustment,” as used in the Federal Acquisition Regulations, or “construction cost adjustment,” as used in the Timber Sale Contract, as applicable.
Change--“Change” means “change order” as used in the Federal Acquisition Regulations, or “design change” as used in the Timber Sale Contract.
Design Quantity--“Design quantity” is a Forest Service method of measurement from the FS-96 Forest Service Specifications for the Construction of Roads and Bridges. Under these FP specifications this term is replaced by the term “Contract Quantities”.
Forest Service--The United States of America, acting through the Forest Service, U.S. Department of Agriculture.
Neat Line--A line defining the proposed or specified limits of an excavation or structure.
Pioneer Road--Temporary construction access built along the route of the project.
Purchaser--The individual, partnership, joint venture, or corporation contracting with the Government under the terms of a Timber Sale Contract and acting independently or through agents, employees, or subcontractors.
Protected Streamcourse--A drainage shown on the plans or timber sale area map that requires designated mitigation measures.
Road Order--An order affecting and controlling traffic on roads under Forest Service jurisdiction. Road Orders are issued by a designated Forest Officer under the authorities of 36 CFR, part 260.
Schedule of Items--A schedule in the contract that contains a listing and description of construction items, quantities, units of measure, unit price, and amount.
Utilization Standards--The minimum size and percent soundness of trees described in the specifications to determine merchantable timber.
Add Figure 101-1—Illustration of road structure terms.
Figure 101-1—Illustration of road structure terms.
FSSS-102
Section 102 – BID, AWARD, AND EXECUTION OF CONTRACT 102.00_nat_us_02_16_2005
102 Bid, Award, and Execution of Contract
Delete Section 102 in its entirety.
FSSS-103
Section 103 – SCOPE OF WORK 103.00_nat_us_02_16_2005
103 Scope of work.
Delete all but subsection 103.01 Intent of Contract.
FSSS-104
Section 104 – CONTROL OF WORK 104.00_nat_us_06_16_2006
Control of work.
Delete Sections 104.01, 104.02, and 104.04.
104.06_nat_us_02_17_2005
Add the following subsection:
104.06 Use of Roads by Contractor
The Contractor is authorized to use roads under the jurisdiction of the Forest Service for all activities necessary to complete this contract, subject to the limitations and authorizations designated in the Road Order(s) or described in the contract, when such use will not damage the roads or national forest resources, and when traffic can be accommodated safely.
FSSS-105
Section 105 – CONTROL OF MATERIAL 105.02_nat_us_01_18_2007
105.02 Material Sources.
105.02(a) Government-provided sources.
Add the following:
Comply with the requirements of 30 CFR 56, subparts B and H. Use all suitable material for aggregate regardless of size unless otherwise designated. When required, re-establish vegetation in disturbed areas according to section 625.
105.05_nat_us_05_12_2004
105.05 Use of Material Found in the Work.
Delete 105.05 (a) and (b) and the last sentence of the second paragraph, and substitute the following:
Materials produced or processed from Government lands in excess of the quantities required for performance of this contract are the property of the Government. The Government is not obligated to make reimbursement for the cost of producing these materials.
FSSS-106
Section 106 – ACCEPTANCE OF WORK 106.07_nat_us_05_11_2004
106.07 Acceptance of work.
Delete subsection 106.07.
FSSS-107
Section 107 – LEGAL RELATIONS AND RESPONSIBILITY TO THE PUBLIC
107.05_nat_us_05_11_2004
107.05 Responsibility for Damage Claims.
Delete the entire subsection.
107.06_nat_us_06_16_2006
107.06 Contractor’s Responsibility for Work.
Delete the following from the first paragraph:
“except as provided in Subsection 106.07”.
107.09_nat_us_06_16_2006
107.09 Legal Relationship of the Parties.
Delete the entire subsection.
107.10_R04F12_04_16_2009
107.10 Environmental Protection.
Add the following:
The Contractor is solely responsible for all spills or leaks that occur during the performance of this contract. Clean up spills or leaks to the satisfaction of the CO and in a manner that complies with Federal, state, and local laws and regulations.
Design and locate equipment repair shops, stationary refueling sites, or other facilities to minimize the potential and impacts of hazardous material spills on Government land.
Before beginning any work, submit a Hazardous Spill Plan. List actions to be taken in the event of a spill. Incorporate preventive measures to be taken, such as the location of mobile refueling facilities, storage and handling of hazardous materials, and similar information.
The hazardous spill plan will describe how the contractor will comply with the following three methods to minimize fuel/oil leakage from construction equipment into the stream channel include the following:
i. All equipment used for in-stream work shall be cleaned of external oil, grease, dirt and mud, and leaks repaired prior to arriving at the project site. All equipment will be inspected by the Contracting Officer’s Representative before unloading at site. Any leaks or accumulations of grease shall be corrected before entering streams or areas that drain directly to streams or wetlands.
ii. Equipment used for in-stream or riparian work (including chainsaws and other hand power tools) will be fueled and serviced in an established staging area (site-specifically recommended by CO). When not in use, vehicles will be stored in the designated staging area. The staging area should be in an area that will not deliver fuel, oil, etc. to streams.
iii. Oil-absorbing floating booms, and other equipment such as pads and absorbent “peanuts” appropriate for the size of the stream, shall be available on-site during all phases of construction. For very small streams with few pools or slack water, booms may not be effective. More pads and straw bales to anchor booms may be necessary. Booms will be placed in a location that facilitates an immediate response to potential petroleum leakage.
Immediately notify the CO of all hazardous material spills. Provide a written narrative report form no later than 24 hours after the initial report and include the following:
· Description of the item spilled (including identity, quantity, manifest number, and other identifying information).
· Whether amount spilled is EPA or state reportable, and if so whether it was reported, and to whom. Federal and Idaho state regulations regarding spills will be followed: Any spills resulting in a detectable sheen on water shall be reported to the EPA National Response Center (1-800-424-8802). Any spills over 25 gallons will be reported to the IDEQ (1-800-632-800), and cleanup will be initiated within 24 hours of the spill.
· Exact time and location of spill including a description of the area involved.
· Containment procedures.
· Summary of any communications the Contractor had with news media, Federal, state and local regulatory agencies and officials, or Forest Service officials.
· Description of clean-up procedures employed or to be employed at the site including final disposition and disposal location of spill residue.
When available, provide copies of all spill-related cleanup and closure documentation and correspondence from regulatory agencies.
FSSS-108
Section 108 – PROSECUTION AND PROGRESS 108.00_nat_us_02_16_2005
108 Prosecution and Progress.
Delete Section 108 in its entirety.
FSSS-109
Section 109 – MEASUREMENT AND PAYMENT 109.00_nat_us_02_17_2005
109 Measurement and Payment Delete the following entire subsections:
109.06 Pricing of Adjustments.
109.07 Eliminated Work.
109.08 Progress Payments.
109.09 Final Payment.
109.02_nat_us_06_16_2006
109.02 Measurement Terms and Definitions.
(b) Contract quantity.
Add the following:
Contract quantities will be adjusted only when there are errors in the original design of 15% or more.
Change the following:
“(b) Cubic yard” to “(c) Cubic yard”.
Add the following definition:
(p) Thousand Board Feet (Mbf). 1,000 board feet based on nominal widths, thickness, and extreme usable length of each piece of lumber or timber actually incorporated in the job. For glued laminated timber, 1,000 board feet based on actual width, thickness, and length of each piece actually incorporated in the job.
FSSS-151
Section 151 - MOBILIZATION 151.01_0105_us_05_04_2007
151.01 Description
Add the following at the end of the last sentence:
“Work also includes cleaning of all equipment used at the project site. Clean all construction equipment prior to entry on the project site. Remove all dirt, plant parts, and material that may carry noxious-weed seeds into the area. Only construction equipment inspected by the Forest Service will be allowed to operate within the project area. Treat subsequent move-ins of equipment the same as the initial move-in. Clean truck beds and dump boxes hauling to the project site prior to entering the work area.”
FSSS-152
Section 152 - CONSTRUCTION SURVEY AND STAKING Description
152.00_forest -02-05-2008
152.01 Description
Add the following:
Brundage Stewardship has no survey-control benchmarks. For this project, the existing culvert inlet shall be considered the control point. The drawings show elevations and location of the proposed structure relative to the existing culvert inlet.
Prior to start of construction, the contractor shall set benchmarks that reference the vertical and horizontal location of the inlet. The contractor shall also maintain the stakes.
152.00_nat_us_08_05_2005
152.01(c) Material.
Add the following:
Use required stake dimensions and materials. Pre-paint the top 2 inches of all stakes and lath, or mark them with plastic flagging. Use designated colors for paint or flagging. Mark all stakes with a stake pencil that leaves a legible imprint, or with waterproof ink.
Do not use aerosol spray paints.
Use moisture-resistant paper for survey notes. Keep notes in books with covers that will protect the contents and retain the pages in numerical sequence.
Construction Requirements
152.02 General.
Delete the first two sentences.
Add the following:
When indicated on the plans, a preliminary survey line has been established on the ground. The project location line is established by offsets from this preliminary line.
Delete second sentence in second paragraph and replace with the following:
Reestablish missing reference, control lines, or stakes as necessary to control subsequent construction staking operations
152.03 Survey and Staking Requirements.
(b) Roadway cross sections.
Delete the first two sentences, and replace with the following:
Take roadway cross-sections normal to centerline. When the centerline curve radius is less than or equal to 200 feet, take cross-sections at a maximum centerline spacing of 25 feet. When the centerline curve radius is greater that 200 feet take cross-sections at a maximum centerline spacing of 80 feet.
(c) Slope Stakes & References:
Replace section with the following:
Slope stakes and references. When required, locate slope stakes on designated portions of the road. Locate the slope-stake catch points and use them to establish clearing limits and slope-stake references.
Mark slope stakes with the station, the amount of cut or fill, the horizontal distance to centerline, and the slope ratios.
Place slope-reference stakes at least 10 feet outside the clearing limit, and mark with the offset distance to the slope stake. Place sight stakes when required.
Prior to clearing and grubbing operations, move the slope stake outside the clearing limit to the slope-reference stake. After clearing and grubbing and before excavation, reset the slope stakes in their original position.
Use the designated method to establish the slope-stake catchpoint.
· Method I—Computed Method. Use the template information shown in the plans or other Government-provided data to calculate the actual location of the catchpoint. The slope stake “catchpoint distance” provided may be used as a trial location to initiate slope staking. Re-catch slope stakes on any section that does not match the staking report within the tolerances established in Table 152-2.
· Method II—Catchpoint Measurement Method. Determine the location of slope- stake catchpoints by measuring the catchpoint distances shown in the plans or other Government-provided data.
(d) Clearing and grubbing limits.
Add the following:
Establish clearing limits on each side of the location line by measuring the required horizontal or slope distances shown in the stake notes. Mark the clearing limits with flagging or tags on trees to be left standing, or on lath. Make markings intervisible, and no more than 90 feet apart.
After establishing clearing limits, move the location-line stake outside the clearing limits for station-identification purposes, and mark it with horizontal distance to location line.
(e) Centerline reestablishment.
Replace with the following:
Re-establish centerline from instrument control points. The maximum spacing between centerline points is 25 feet when the centerline curve radius is less than or equal to 200 feet. When the centerline curve radius is greater than 200 feet, the maximum distance between centerline points is 80 feet.
(g) Culverts.
Replace subsection with the following:
Set culvert-reference stakes at all culvert locations. Set a culvert-reference stake on the centerline of the culvert 10 feet from each end or beyond the clearing limit, whichever is greater. Record the following on culvert-reference stakes:
(1) Diameter, actual field-measured length, and type of culvert.
(2) The vertical and horizontal distance from the reference stake to the inverts at the ends of the culvert.
(3) Station of actual point where culvert intersects centerline.
When required, stake headwall for culverts by setting a hub with a guard stake on each side of the culvert on line with the face of the headwall. Perform this work after clearing is completed.
152.03 (l) Miscellaneous Survey and Staking.
Add the following:
(12) Drain Dips
(13) Erosion Control Measures
Replace Table 152-1 with the following two tables:
Table 152-1. Tolerances for re-establishing P-line, traverse, and elevations.
| Precision Class |
| Minimum Position Closure |
| Angular Accuracy (±) |
| L-Line Tangent Control Pointsa (±) |
| Vertical Closureb (±) |
A
(Bridges)
| 1/10,000 |
| 2 sets, direct/reverse |
10 second rejection limit
| N/A |
| 0.02 ft or |
0.02ft/1000ftc
| B |
| 1/5,000 |
| 2 sets, direct/reverse |
20 second rejection limit
| 0.1 ft |
| 0.02 ft or |
0.02ft/1000ftc
| C |
| 1/1,000 |
| 1 set, direct/reverse |
1 minute rejection limit
| 0.2 ft |
| 0.5ft/1000ftc |
| D |
| 1/300 |
| Foresight and backsight; 15 minute rejection limitc |
| 0.4 ft |
| 1.0ft/1000ftc |
| E |
| 1/100 |
| Foresight and backsight; 30 minute rejection limitc |
| 0.8 ft |
| 1.0ft/1000ftc |
a. Accuracy of offset measurement.
b. Determine vertical closures at intervals not to exceed 2000 ft as measured along centerline.
c. Use greater value.
Table 152-2 Cross-section and slope-stake tolerances.
| Item |
| Tolerances |
| A |
| B |
| C |
| D |
| E |
| Allowable deviation of cross-section line projection from a true perpendicular to tangents, a true bisector of angle points, or a true radius of curves |
| (±)2o |
| (±)3o |
| (±)3o |
| (±)5o |
| (±)5o |
| Take cross-section topography measurements so that variations in ground from a straight line connecting the cross-section points will not exceed |
| 0.5 ft |
| 1.0 ft |
| 2.0 ft |
| 2.0 ft |
| 3.0 ft |
| Horizontal and vertical accuracy for cross sections, in feet or percentage of horizontal distance measured from traverse line, whichever is greater. |
| 0.1 ft or 0.4% |
| 0.15 ft or 0.6% |
| 0.2 ft or 1.0% |
| 0.2 ft or 1.0% |
| 0.3 ft or 1.0% |
Horizontal and vertical accuracy for slope stakes, slope-stake references, and clearing limits. In feet or percentage of horizontal distance measured from centerline or reference stake, whichever is greater.
| Slope-reference stakes and slope stakes. |
| 0.1 ft or 0.4% |
| 0.15 ft or 0.6% |
| 0.2 ft or 1.0% |
| 0.2 ft or 1.0% |
| 0.3 ft or 1.0% |
| Clearing limits |
| 1.0 ft |
| 1.0 ft |
| 1.0 ft |
| 1.5 ft |
| 2.5 ft |
FSSS-156
Section 156 – PUBLIC TRAFFIC 156.00_nat_us_04_17_2007
Delete Section 156 in its entirety and replace with the following:
Description
156.01 This work consists of controlling and protecting public traffic adjacent to and within the project.
Material
156.02 Conform to the MUTCD and the following Sections and Subsections:
Construction sign panels
Retro-reflective sheeting
718.01
Temporary concrete barrier
Temporary plastic fence
710.11
Temporary traffic control devices
718.22
156.03 General. .
The contractor may close Bear Rock Road # 488 and the Bear Basin Road #452 for a maximum of three consecutive weeks while work is being done on the culverts.
The contractor may mobilize the materials and equipment before the closure. The COR will need to approve storage areas for materials and equipment. The storage of materials and equipment shall not interfere with traffic.
The contractor shall notify the Forest at least 3 weeks before planned closure, so that the Forest Service can notify the public.
The contractor shall furnish and install the following sign at least 3 weeks before planned closure:
1- at the junction of Bear Basin Road #452 and the Goose Lake Road #257
ROAD WILL BE CLOSED FOR CONSTRUCTION
1 MILE AHEAD
FROM (month) XX TO (month) XX, 2010.
2- at the Junction Bear Basin Road 452 and Brundage Mountain Road 451 that says:
ROAD WILL BE CLOSED FOR CONSTRUCTION
1 MILES AHEAD
FROM (month) XX TO (month) XX, 2010.
3- at the start of the Bald Knob Road 488 that says
ROAD WILL BE CLOSED FOR CONSTRUCTION
1 MILES AHEAD
FROM (month) XX TO (month) XX, 2010 These signs shall be retro-reflective orange background with black letters and shall meet requirements of MUTCD for work zones. These signs shall be left on site for the Forest Service to use for future projects.
Perform no work that interferes or conflicts with traffic or existing access to the roadway surface until a traffic-control plan has been approved. Install construction signs and traffic- control devices in conformance with MUTCD. All required signs will be in place and approved prior to beginning work on project.
If the Contractor agrees in writing to allow public traffic to use a new road being constructed prior to completion, it will be considered an existing road for traffic-control purposes.
156.04 Temporary Traffic Control. Install and maintain temporary traffic-control devices adjacent to and within the project as required by the approved traffic-control plan and the MUTCD. Install and maintain traffic-control devices as follows:
(a) Furnish and install traffic-control devices before the start of construction operations.
(b) All detours outside of clearing limits will be approved in writing by the Contracting Officer as part of the traffic-control plan.
(c) Install only those traffic-control devices needed for each stage or phase.
(d) Relocate temporary traffic-control devices as necessary.
(e) Remove devices that no longer apply to the existing conditions.
(f) Immediately replace any device that is lost, stolen, destroyed, or inoperative.
(g) Keep temporary traffic-control devices clean.
(h) Remove all temporary traffic-control devices upon contract completion, or when approved.
(i) When required, use flaggers certified by the American Traffic Safety Services Association, the National Safety Council, the International Municipal Signal Association, a state agency, or other acceptable organization. Perform the work described under MUTCD Part 6. Use type III, VII, VIII, or IX retro-reflective sheeting on flagger paddles. Do not use flags. Flaggers must wear high-visibility safety apparel as required by MUTCD 6E.02.
156.06 Acceptance. Public traffic work will be evaluated under Subsection 106.02.
Measurement and Payment
156.07 Do not measure Public Traffic for payment. Compensation is made as an indirect payment.
FSSS-157
Section 157 – SOIL EROSION CONTROL 157.03_nat_us_02_24_2005
157.03 General
Delete the entire subsection and replace with the following:
Prior to the start of construction, submit a written plan that provides permanent and temporary erosion-control measures to minimize erosion and sedimentation during and after construction. Do not begin work until the necessary controls for that particular phase of work have been implemented. Do not modify the type, size, or location of any control. Submit the erosion-control plan proposal to the Contracting Officer for approval at least 14 days before operations begin.
Incorporate all permanent erosion control features into the project at the earliest practicable time, as outlined in the approved plan.
When erosion control measures are not functioning as intended, immediately take corrective action.
157.03_R04F12__4_16_2009
The erosion control plan shall include all necessary measures to protect resources and government improvements. The plan shall include, but is not limited to the following:
1. The construction activities and sequence of implementation relating to specific erosion control measures.
2. The location and type of PERMANENT controls to be implemented during construction.
3. The location and type of TEMPORARY controls to be implemented during construction.
4. A detailed dewatering plan to construct the diversion described by Section 157.09. Water shall be conveyed around the construction area via rigid pipe or some other means capable of containing both the flow anticipated during the operating season and higher flows in the event of a storm.
Flow will be diverted with pumps or structures such as cofferdams, constructed of non-erodible material, such as sandbags, bladder bags, or other means that divert water. Diversion dams will not be constructed with material mined from the stream or floodplain.
In perennial channels( and the three arches and one box culvert will be in perennial channels), the reconstructed stream channel will be “pre-washed” into a reach equipped with sediment capture devices such as Sedimat, prior to reintroduction of flow to the stream.
The construction site will be rewatered slowly to prevent loss of surface water downstream as the construction site streambed absorbs water and to minimize a sudden increase in turbidity.
In-channel sediment-abatement barriers such as Sedimat will capture sediment that is liberated during rewatering of dewatered channels, barriers will be appropriately cleaned out and removed, and captured sediment will be disposed of so it is not reintroduced into stream channels. Such barriers shall be maintained throughout the related construction and removed only when construction is complete and erosion control is assured.
5. The location of each temporary stockpile site for the excavated material, and location of erosion control measures to prevent sediment from washing off of stockpile.
6. A supply of erosion-control materials (e.g. silt fence and straw bales and straw wattles) will be kept on hand to respond to sediment emergencies. Sterile straw or certified “weed-free” straw will be used to prevent introduction of noxious weeds.
Add to the third paragraph:
Upon completion of construction at the site, the contractor shall remove all temporary dewatering materials and equipment from Government property. This includes items such as pumps, pipes and hoses, and sandbags.
Add the following:
The Contractor shall adhere to the following practices:
a) In order to protect aquatic organisms, install screens on the intake of pumps with opening of 3/32 inch.
b) Construct the Dewatering and Sediment Control according to the Contractor’s approved plan.
c) Maintain the roads and stockpiles of material in a manner that prevents direct entry of sediment into the stream, by either preventing the erosion of sediments or collecting the sediments before it reaches the stream.
d) Construct permanent and temporary control features to intercept sediments. A settling basin will be constructed, or a portable one used, that is able to handle the volume of water anticipated, and that provides filtering capability. Dewatering of the excavation site, (of ground water from the excavation) will be done by pumping water to the settling basin, and the basin shall be cleaned out when full of sediments. .
e) Any sanitation facilities established by the Contractor shall be located as designated by the CO.
f) All project operations will cease, except efforts to minimize storm or high-flow erosion, under precipitation and high-flow conditions that result in uncontrollable erosion in the construction area.
157.13 Maintenance and cleanup.
Delete the third paragraph and insert the following:
Erosion-control materials, such as hay bales and silt fences, will be removed by a Forest Service hydrologist or soil scientist when the sites have revegetated.
FSSS-171
Section 171 – WEED AND DISEASE PREVENTION 171.00_nat_us_03_30_2005
Description
171.01 This work consists of washing and treating construction equipment to remove seeds, plants, and plant fragments from the equipment before the equipment is used on National Forest System lands.
Material
171.02 Conform to the following Subsection:
Water
725.01
Construction Requirements
171.03 General . Notify the CO in writing at least 15 days before moving any construction equipment onto National Forest System lands. Construction equipment does not include cars, pickup trucks, and other vehicles that regularly travel between the construction site and areas outside of National Forest System lands.
Perform all work at a location designated on the plans or other locations approved in writing. Provide the CO with an opportunity to monitor the washing and inspection.
171.04 Equipment. Use a high pressure washing system.
For work on National Forest System lands, use a washing system that traps all wash water and either stores it for removal from National Forest System lands or recycles the water for continued use. If the equipment recycles the water, provide adequate filters for seed removal. Dispose of the filter material and removed seeds in an approved manner. Do not mix soaps, detergents, or other chemicals with the wash water.
For work at a commercial washing facility, use an approved facility.
171.05 Washing. Wash the sides, tops, and undercarriages of all construction equipment. Remove all seeds, plants, plant fragments, dirt, and debris from the construction equipment.
171.06 Inspection. Inspect the washed construction equipment, including the undercarriage, to ensure that the washing removed the dirt, debris, and seeds from the construction equipment. Rewash the construction equipment as necessary or as directed.
171.07 Acceptance. Weed prevention will be evaluated under Subsection 106.02.
Measurement
171.08 Do not measure weed prevention for payment.
Payment
171.09 Include all costs associated with the Section 171-Weed Prevention in the unit price for Section 151-Mobilization.
FSSS-201
Section 201 – CLEARING AND GRUBBING Description
201.01
Delete and replace with the following:
This work consists of clearing and grubbing within clearing limits of the road, culvert installations, and other designated areas.
Material
201.02
Delete tree wound dressing material reference.
Construction Requirements
201.03 General
Delete the first sentence.
Delete the last sentence.
201.04 Clearing.
Delete paragraph (c) and replace with the following:
(c) In areas outside the excavation, embankment, and slope-rounding limits, cut stumps to within 12 inches or one-third of the stump diameter of the round, whichever is higher, measured on the side adjacent to the highest ground. For timber sales, stump height shall meet the requirements of the Timber Sale Contract.
Delete paragraph (d) and replace with the following:
(d) Do not cut vegetation less than 3 feet tall and less than 3 inches in diameter that is within the clearing limits but beyond the roadway and not in a decking area and that does not interfere with sight distance along the road.
Add the following:
(e) Trim branches of remaining trees or shrubs to give a clear height of 14 feet above the roadbed, unless otherwise indicated. Trim tree limbs as near flush with the trunk as practicable.
JANUARY 2010
FSSS-201 (Continued)
(f) Remove brush from log decks. Deck logs so that logs are piled parallel to one another; can be removed by standard log loading equipment; will not damage standing trees; will not interfere with drainage; and will not roll.
(g) Remove dead trees over 6 inches in diameter measured at 12 inches above the ground that lean toward the road and are tall enough to reach the roadbed.
Add the following:
All merchantable R/W timber is included timber of Brundage Stewardship Contract.
Utilization standards for merchantable timber are listed in A2. Fell and buck merchantable material into suitable lengths. Pieces (logs) meet utilization standards when such pieces would have met Utilization Standard if bucking lengths were varied to include such material.
Utilization Standards
SEE A2
Scaling Services
SEE A14
201.05 Grubbing.
Delete and replace with the following:
Grub all embankment areas. Undisturbed stumps may be left in place if they protrude less than 6 inches above the original ground and will be covered with more than 2 feet of embankment.
201.06 Disposal.
Delete the second sentence and replace with the following:
Dispose of merchantable timber designated for removal according to the provisions of the Timber Sale Contract.
Dispose of clearing and grubbing material by method 1, scattering, or method 2, windrowing construction slash.
JANUARY 2010
FSSS-201 (Continued)
(1) Scattering. Scatter construction slash outside the roadway without damaging trees. Limb all logs not meeting utilization standards. Place logs and stumps away from trees, positioned so they will not roll, and are not on top of one another. Limb and scatter other construction slash to reduce slash concentrations.
(2) Windrowing Construction Slash. Clear areas to accommodate the windrow slash. Place construction slash outside the roadway in neat, compacted windrows laid approximately parallel to and along the toeline of the embankment slopes. Do not permit the top of the windrows to extend above the top of the subgrade. Use construction equipment to form a compact and uniform pile. Construct breaks of at least 15 feet at 200-foot intervals along the windrow. Do not place windrows against trees.
201.07 Acceptance.
Delete the second and third sentences.
JANUARY 2010
FSSS-203
Section 203 – REMOVAL OF STRUCTURES AND OBSTRUCTIONS
203.01 Description
Add the following:
The existing structures to be removed shall be removed and disposed of away from Forest land according to all applicable local, state and federal regulations and 203.05(a). Temporary soil erosion-control measures shall be in place prior to commencing.
203.01_nat us 06_08_2005
203.05 Disposing of Material
Add the following:
(e) Placing Slash on Embankment Slopes. Place construction slash on completed embankment slope to reduce soil erosion. Place construction slash as flat as practicable on the completed slopes. Do not place slash closer than 2 feet below the top of the embankment. Leave stumps on tree trunks, and cut off branches. Set the tree trunks so they are laying parallel to the contour lines.
JANUARY 2010
FSSS-204
Section 204 – EXCAVATION AND EMBANKMENT
Construction Requirements
204.10 Embankment Construction.
Add the following:
(e) Side Casting and End Dumping. Embankment may be placed by side casting and end dumping. Build solid embankments by working smaller rocks and fines in with larger rocks and fines to fill the voids. Operate hauling and spreading equipment uniformly over the full width of the embankment.
For Embankment Construction Method (e) no compaction testing is required.
204.11 Compaction
Delete in its entirety, and replace with the following:
Method (e). Compaction will be accomplished by operating hauling equipment and spreading equipment uniformly over the full width of each layer. Moisture content of the material shall be adjusted to obtain a level adequate for compaction.
204.13 Sloping, Shaping, and Finishing.
(d) Finishing.
Delete the paragraph and add the following:
The road surface shall be finished to a reasonably-smooth, uniform shape conforming to the typical section SHOWN ON THE PLANS. Remove unsuitable material from the roadbed and replace it with suitable material. Compact the subgrade as required and finish roadbeds to within ± 1’ (one foot) of the staked lines and grades.
JANUARY 2010
FSSS-209
Section 209 – STRUCTURE EXCAVATION AND BACKFILL
209.04 General
Delete and add the following:
Excavate trenches and foundation pits according to Subsection 208.04. Conserve material and sort it for the following types of material: general embankment, embankment in the zone next to the metal pipe or precast concrete, and stream-simulation material.
Dispose of excess or unsuitable material at the area designated by the Engineering Representative (ER). The material shall be incorporated into the fill slope at the edge of the existing road.
JANUARY 2010
FSSS-251
Section 251 – RIPRAP
Construction Requirements
251.05 Delete and replace with the following:
251.05 Hand-Placed Riprap. Hand-placed riprap is rock place by hand on a prepared surface. Use class 2 Riprap as shown below:
Class
Percent of
Mass
Approximate Cubic
Rock by Mass
Dimensions
(pounds)
(inches)
50 to 110
8 to 10
22 to 55
6 to 8
2 to 22
3 to 6
0 to 2
0 to 3
Riprap is to be placed to its full depth by manual methods to obtain a compact, uniformly-thick blanket with a reasonably-smooth surface.
JANUARY 2010
FSSS-301
Section 301 – UNTREATED AGGREGATE COURSES
Description 301.01.
Add the following:
This work consists of applying gravel courses from pit-run gravel found at Eck’s Flat Pit, located at T 19 N, R 2 E, Section 26, BM.
Material 310.02.
Add the following:
No quality requirements or gradation other than maximum size is required for pit run material.
Construction Requirements
301.03 General
Delete the last two sentences.
301.04 Mixing and Spreading.
Delete the first paragraph and replace with the following:
Adjust moisture content of the aggregate as needed to obtain a moisture level adequate for compaction.
301.05 Compacting.
Delete the first and third paragraphs and add the following:
Compact the aggregate using one of the following methods as specified:
Method A.
Compact each layer by operating spreading and hauling equipment over the full width of each layer of aggregate.
Method B.
Process the pit-run aggregate by utilizing a bulldozer, equivalent to D-6 or larger. Obtain compaction by walking the dozer over the full width of each layer of aggregate a minimum of three times. If a roller is used to obtain compaction, use a roller specifically designed to break down rocky material and meeting the following requirements, unless otherwise approved by the Contracting Officer:
1. Sheeps-foot, tamping, or grid rollers shall be capable of exerting a force of 3000 lb/ft of width of roller drum.
2. Vibratory steel-wheel rollers shall have a minimum weight of 5 Tons. The compactor shall be equipped with amplitude and frequency controls.
Method C.
Compact the roadbed by making one pass over the entire roadbed with a smooth drum roller, regardless of whether the roadbed had been bladed or not.
FSSS-303
Section 303 – ROAD RECONDITIONING 303.00_0412_09_28_2009 Construction Requirements
303.03 Ditch Reconditioning.
Delete and replace with the following:
Remove all slide material, rocks, and debris from existing ditches and culvert inlets and outlets. Reshape ditches, culvert inlets and outlets, and drainage dips to achieve positive drainage. Leave vegetation in ditch if it is not interfering with the flow in the ditch line.
303.04 Shoulder Reconditioning.
Delete and replace with the following:
Repair as needed existing shoulders including shoulders of parking areas, turnouts, and other widened areas for removal of berms, drainage, safety, and smooth alignment. Repair soft and unstable areas according to Subsection 204.07.
303.05 Roadbed Reconditioning.
Delete and replace with the following:
Blade and shape the existing traveled way and shoulders, including turnouts, to remove slide material, rocks, debris, and surface irregularities, such as washboards, potholes, wheel ruts, water bars, slumps, etc. Maintain existing drainage patterns, such as driveable dips, crowns, and cross slopes, as much as possible.
Scarify and shape the existing traveled way to the depth required to remove the surface irregularity. Remove any rocks larger than 4 inches brought to the surface during scarification. For areas receiving surface courses, remove at least 6 inches below existing surface any rocks that protrude above the existing surface more than one-third of the depth of the surface course and any rocks with exposed surface area exceeding 1 ft2.
Adjust the moisture content of the material as needed to obtain compaction. (Water is incidental to Road Reconditioning.) Compact the roadbed after blading by making one pass over the entire roadbed with a smooth drum roller with a minimum weight of 6 tons and specifically designed to compact the material on which it is used, regardless of whether the roadbed has been bladed or not.
303.06 Aggregate Surface Reconditioning.
Delete and replace with the following:
Blade roadbed only as needed to remove slide material, rocks, debris, and surface irregularities, such as washboards, potholes, wheel ruts, water bars, slumps, etc. Repair soft and unstable areas to the full depth of the aggregate surface. Reshape, finish, and compact the entire roadbed. Compact the roadbed after blading by making one pass over the entire roadbed with a smooth drum roller with a minimum weight of 6 tons and specifically designed to compact the material on which it is used, regardless of whether the roadbed has been bladed or not.
303.08 Pulverizing.
Delete the subsection.
303.09 Acceptance.
Delete and replace with the following:
Acceptance for road reconditioning work is based on visual inspection of the work for compliance with the contract.
303.10 Measurement
Delete the entire section and replace with the following:
Measure roadway reconditioning by the mile listed in the bid schedule based on visual inspection.
FSSS-322
Section 322 – CRUSHED AGGREGATE
Description
322.01 This work consists of furnishing and placing crushed aggregate for roadway aggregate courses on the roads and replacing crushed-aggregate surfacing at culvert installations. Provide the aggregate from a commercial-source.
The roadway aggregate compaction method is designated in the Schedule of items to be Method 1. Method 1 is described in Subsection 322.05.
Crushed aggregate grading is designated as shown in Table 322-1.
Material
322.02 Conform to the following Subsections:
Crushed Aggregate
Table 322-1 and 703.05(b)
322.03 Preparing Surface. Prepare the surface on which the aggregate course is to be placed according to Section 303.07.
Roadbed shall be approved in writing by the CO before placing base or surface course.
Prior to placing gravel, the Contractor shall mark outside edges of proposed gravel placement for approval by the Contracting Officer.
Install screens on the intake of pumps for the water truck with a maximum opening of 3/32 inch. This is in order to protect aquatic organisms.
322.04 Placing Crushed Aggregate. Mix the aggregate and adjust the moisture content suitable for compaction. Spread and shape the mixture on the prepared surface in a uniform layer.
Do not place the mixture in a layer exceeding 6 inches in compacted thickness. When more than one layer is necessary, compact each layer according to Subsection 322.05 before placing the next layer.
322.05 Compacting Crushed Aggregate. Compact each layer full width. Roll from the sides to the center, parallel to the centerline of the road.
Roadway aggregate. Compact the aggregate using one of the following methods:
(1) Method 1. Moisten or dry the aggregate to a uniform moisture content suitable for compaction. Operate a vibratory steel-wheeled roller having a minimum weight of 5 Tons, equipped with amplitude and frequency controls, over the full width of each layer until visual displacement ceases, making not fewer than three complete passes.
(2) Method 2. Compact each layer of aggregate to a density of at least 95 percent of the maximum density, as determined by ASSTO T99, method C or D.
Blade the surface of each layer during the compaction operations to remove irregularities and produce a smooth and even surface.
322.06 Acceptance. See Table 322-1 for gradation requirements and Table 322-2 for sampling and testing requirements, and Figure 322-1 for responsibility for process control, quantity and quality assurance.
Table 322-1
Gradation - Crushed Aggregate
Percent by mass Passing Designated
| Sieve Size |
| Sieve (AASHTO T27 & T11) |
| 1” |
| 100 |
| ¾” |
| 97-100 |
| 3/8” |
| 67-83 |
| #4 |
| 48-68 |
| #16 |
| 25-42 |
| #40 |
| 17-30 |
12-18 PI <4
8-12PI 4 to 12
| #200 |
| 8-12 if PI <4 add 2% Bentonite by |
aggregate weight and Pug mill mixed
Crushed aggregate will be evaluated under Subsection 106.02 and 106.03. Furnish a certification including gradation and quality properties for each source.
Preparation of the surfaces on which crushed aggregate is placed will be evaluated under Section 303.
322.07 Acceptance. See Table 322-1 for gradation requirements; Table 322-2 for sampling and testing requirements; and Figure 322-1 for responsibility for process control, quantity and quality assurance.
Crushed aggregate will be evaluated under Subsection 106.02 and 106.03. Furnish a certification including gradation and quality properties for each source.
Preparation of the surfaces on which crushed aggregate is placed will be evaluated under Section 303.
JANUARY 2010
Figure 322-1: Quality, Quantity and Payment Process
‘X’ denotes primary responsibility for indicated task
Con-tractor FS Quality &
| Tasks |
| Frequency |
| Process |
| Quantity |
| Control |
| Assurance |
Aggregate Quality
| Sampling and Testing During |
| As Desired by Contractor |
| x |
| Initial Tests |
Crushing
Results Checked
| Acceptance sampling for |
| During placement on |
| x |
| Sampling |
| gradation |
| Road surface |
Checked
| Acceptance for Plasticity |
| During Crushing |
| x |
| Sampling |
Index
Checked
| Perform test on acceptance |
| As samples become |
| ~ |
| x |
| samples |
| available |
| Calculate pay factor on |
| As test results become |
| ~ |
| x |
| Acceptance samples |
| available |
Aggregate Quantity
| Measurements of aggregate |
| After compaction on each |
| x |
| Measurements |
| Thickness and width |
| Road segment is completed |
Checked
| Determination of final |
| After measurements on all |
| ~ |
| x |
| Payment quantity |
| segment are completed |
| Aggregate Payment |
| As Pay Factor and Quantity Data Become Available |
| ~ |
| x |
Measurement
322.07 Measure the Section 322 items listed in the bid schedule according to Subsection
109.02 and the following as applicable.
Measurement for aggregate is by cubic yard using contract quantities, measured by cubic yards in place once compacted.
Measure thickness perpendicular to the grade of the travelled way.
Measure width perpendicular to the centerline.
JANUARY 2010
Table 322-2
Sampling and Testing Requirements
| Material |
| Type of |
| Test |
| Sampling |
| Point of |
| Split |
| Reporting |
| or |
| Acceptance |
| Characteristic |
| Category |
| Methods |
| Frequency |
| Sampling |
| Sample |
| Time |
| Product |
| (Subsection) |
Specifica-tions
| Aggregate |
| Measured |
| Source |
| And tested |
| L.A abrasion |
| - |
| AASHTO |
| 1 per type |
| Source of |
| Yes, |
| Before |
| Quality |
| For confor- |
| (coarse) |
| T96 |
| & source |
| material |
using
| 703.05 |
| mance |
of material
| requested |
| in work |
(106.04
| 106.05) |
| Sodium sulfate |
| - |
| AASHTO |
| “ |
| “ |
| “ |
| “ |
soundness loss
T 104
(coarse & fine)
| Durability |
| - |
| AASHTO |
| “ |
| “ |
| “ |
| “ |
Index
T 210
(coarse & fine)
| Fractured |
| - |
| AASHTO |
| “ |
| “ |
| “ |
| “ |
faces
D 5821
| Plasticity |
| - |
| AASHTO |
| “ |
| “ |
index
T 90
| Gradation |
| - |
| AASHTO |
| Contractor |
| Contractor |
Contractor
| T 27 & |
| Process |
| Process |
Process
| T11 |
| Control |
| Control: |
Control:
| Tests: |
| Crusher |
48 hours
| 1 per 1000 |
| Acceptance: |
| Tons or |
| From |
Acceptance
| less |
| Roadbed |
Samples:
| 20 per |
| After |
72 hours
| project |
| Proces- |
sing
| Surface |
| Measured & |
| Width |
| - |
| - |
| 4 per each |
| Roadbed |
| - |
| 4 hours |
Tested for
| 0.5 mile |
| For |
Conformance compaction
(106.04)
| Thickness |
| - |
| - |
| “ |
| “ |
| - |
| “ |
Payment
322.08 The accepted quantities will be paid at the contract price per unit of measurement for the Section 322 pay item listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.
JANUARY 2010
FSSS-552
Section 552 - STRUCTURAL CONCRETE – PRECAST FOOTINGS
552.01 Description. Delete the first sentence, and add the following:
This work consists of supplying and delivering the pre-cast footings for the three open-bottom structural arches on Bear Basin and Bald Knob Roads.
The footings shall be constructed as shown on the drawings, except that the contractor may submit alternate design of footings for approval by the CO prior to fabrication. Submit plans and calculations signed and stamped by a professional engineer registered in the State of Idaho at least 7 days prior to start of fabrication to allow time for review and correction of any changes and approval by the CO.
A metal base channel shall be cast into the footing in accordance with the structural plate arch supplier’s specifications.
Footings shall be made in segments so that the weight of each does not exceed 20,000 pounds, or the maximum weight that the Contractor determines can be set with Contractor’s equipment.
552.03 Construction Requirements.
Delete: “Submit written concrete mix designs for approval at least 36 days before production.”
Replace with: “Submit written concrete mix designs for approval at least 7 days before production.”
FSSS-576
Section 576 – PRECAST BOX CULVERT
BALD KNOB ROAD #488
Description
576.01 This work consists of designing, fabricating, and installing precast concrete box culvert sections and precast footings AS SHOWN ON THE DRAWINGS. There is one box culvert installation on Bald Knob Road #488.
The precast concrete sections shall be contractor-designed “AMCOR” units as detailed on the drawings, or approved equal. Alternate design may be submitted for approval (see section 576.03 below).
This bid item includes payment for removal of existing culvert; excavation and embankment; concrete footings; stream simulation; erosion control; placement of riprap; seeding; joints; steel connection plates for joints; grout for joints; shop drawings; and other incidentals and appurtenances as required.
Clearing and grubbing will be paid in the Clearing and Grubbing pay item for road 488, and the crushed aggregate will be paid for in the Crushed aggregate pay item for the road 488.
Materials
576.02 Requirements. Furnish materials that meet the requirements specified in the following sections:
Concrete compressive strength, structural steel tensile strength, concrete finish and designation, and other material specifications shall be as required in the Specifications, or, if not listed in the contract documents, taken from the manufacturer’s drawings, and approved by the Contracting Officer prior to fabrication. Maintain adequate records of all inspections and tests.
Construction Requirements
576.03 Design requirements. For required loadings use the most recent AASHTO “Standard Specifications for Highway Bridges”. Submit plans and calculations signed and stamped by a professional engineer registered in the state of Idaho.
Design requirements are:
Vehicle design loads: HS20-44
Soil Pressure: Allowable= 4,000 pounds per square foot.
Internal friction: 36 degrees
Lateral Earth Pressure passive: 45 pounds per square foot
Cover: There will be 6 inches of soil topped with Pit Run Aggregate on the top of the structure.
Deck weldment and deck joint shall be designed by…
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