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Table of Contents
| Table of Contents | 1 | |
| Preface | 4 | |
| 101 - Terms, Format, and Definitions | 5 | |
| 101.01 Meaning of Terms | 5 | |
| 101.03 Abbreviations. | 5 | |
| 101.04 Definitions. | 5 | |
| 102 - Bid, Award, and Execution of Contract | 8 | |
| 102 Bid, Award, and Execution of Contract | 8 | |
| 103 - Scope of Work | 9 | |
| Deletions | 9 | |
| 104 - Control of Work | 10 | |
| Deletions | 10 | |
| 104.06 Use of Roads by Contractor | 10 | |
| 106 - Acceptance of Work | 12 | |
| 106.07 Delete | 12 | |
| 107 - Legal Relations and Responsibility to the Public | 13 | |
| 107.05 Responsibility for Damage Claims. | 13 | |
| 107.06 Contractor’s Responsibility for Work. | 13 | |
| 107.09 Legal Relationship of the Parties. | 13 | |
| 107.10 Environmental Protection. | 13 | |
| 108 - Prosecution and Progress | 15 | |
| 108 Delete. | 15 | |
| 109 - Measurement and Payment | 16 | |
| 109 Deletions | 16 | |
| 109.02 Measurement Terms and Definitions. | 16 | |
| 151 - Mobilization | 17 | |
| 152 - Construction Survey and Staking | 19 | |
| 155 - Schedules for Construction Contracts | 28 | |
| 155 Delete. | 28 | |
| 170 - Develop Water Supply and Watering | 32 | |
| 203 - Removal of Structures and Obstructions | 33 | |
| 203.03 Salvaging Material. | 33 | |
| 203.05 Disposing of Material. | 33 | |
| 204 - Excavation and Embankment | 34 | |
| 209 - Structure Excavation and Backfill | 46 | |
| 209.07 Dewatering | 46 | |
| 209.10 Backfill. | 46 | |
| 209.11 Compacting. | 47 | |
| 209.12 | Acceptance. | 47 |
| 209.13 See Subsection 109.05 | 47 | |
| 251 - Riprap | 49 | |
| 251.01 Description | 49 | |
| 251.02 Material. | 49 | |
| 301 - Untreated Aggregate Courses | 50 | |
| 301 Title Change. | 50 | |
| 301.01 Work. | 50 | |
| 301.02 Material. | 50 | |
| 301.03 General. | 50 | |
| 301.04 Mixing and Spreading. | 51 | |
| 301.05 Compacting | 51 | |
| 301.06 Surface Tolerance. | 52 | |
| Table 301-1—Acceptance Sampling and Testing Requirements. | 53 | |
| 301.08(b) Plasticity Index. | 54 | |
| Table 301-1 Field Density Requirements. | 55 | |
| 301.09 Measurement. | 56 | |
| 602 - Culverts and Drains | 57 | |
| 602.03 General | 57 | |
| 602.05 Laying Metal Pipe | 57 | |
| 622 - Rental Equipment | 58 | |
| 625 - Turf Establishment | 59 | |
| 625.03 General. | 59 | |
| 625.04 Preparing Seedbed. | 59 | |
| 625.05 Watering | 59 | |
| 625.06 Fertilizing. | 59 | |
| 625.07 Seeding. | 60 | |
| 625.08 Mulching. | 61 | |
| 625.09 Protecting and Caring for Seeded Areas | 61 | |
| 625.11 Measurement. | 61 | |
| 648 - Stream Simulation | 62 | |
| 703 - Aggregate | 64 | |
| 704 - Soil | 68 | |
| 704.02 Bedding Material. | 68 |
Preface Preface_wo_03_15_2004_m Delete all but the first paragraph and add the following:
The Forest Service, US Department of Agriculture has adopted FP-03 for construction of National Forest System Roads.
101 - Terms, Format, and Definitions 101.00_nat_us_07_25_2005
101.01_nat_us_01_22_2009
101.01 Meaning of Terms
Delete all references to the TAR (Transportation Acquisition Regulations) in the specifications.
101.03_nat_us_06_16_2006
101.03 Abbreviations.
Add the following to (a) Acronyms:
AFPA
MSHA
NIST
NESC
WCLIB
American Forest and Paper Association Mine Safety and Health Administration National Institute of Standards and Technology National Electrical Safety Code West Coast Lumber Inspection Bureau
Add the following to (b) SI symbols:
| 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.
102 - Bid, Award, and Execution of Contract 102.00_nat_us_02_16_2005 102 Bid, Award, and Execution of Contract
Delete Section 102 in its entirety.
103 - Scope of Work 103.00_nat_us_02_16_2005 Deletions
Delete all but subsection 103.01 Intent of Contract.
104 - Control of Work 104.00_nat_us_06_16_2006 Deletions
Delete Sections 104.01, 104.02, and 104.04.
104.06_nat_us_02_17_2005 Add the following subsection:
104.06 Use of Roads by Contractor
The Contractor is authorized to use roads under the jurisdiction of the Forest Service for all activities necessary to complete this contract, subject to the limitations and authorizations designated in the Road Order(s) or described in the contract, when such use will not damage the roads or national forest resources, and when traffic can be accommodated safely.
105 - Control of Material 105.02_nat_05_11_2004
105.02 Material Sources
Add the following before the first paragraph.
Sources have been designated for this project as follows:
Riprap Source – Government Furnished – The Government provided source for riprap and rocks for weirs is the Solomon Lake Pit located in Section 29, T. 63 N., R. 3 E., Boundary County, Idaho, approximately 10 miles from the project site. Sorting, stockpiling, hauling, and handling of materials will be required in order to obtain specified materials from this source. There is no charge for material taken from this source so long as it is used on this project. The contractor will work within the pit limits as designated in the field by the CO. The Contractor may use riprap from a commercial source in lieu of using the Government quarry.
Crushed Aggregate Source – Contractor Furnished – There is no Government source for crushed aggregate on this project.
Waste Site and Storage Site – Government Furnished – Store and waste materials at locations designated by the CO. All other materials designated for removal and disposal must be disposed of off National Forest System Lands as per Section 203 of the specifications.
Coarse Granular Backfill - Contractor Furnished – There is no Government source for coarse granular backfill on this project.
Unclassified Borrow – Government Furnished – The designated Government source for unclassified borrow is located in Section 1, T. 63 N., R. 2 E., B.M.
Under (b) Contractor-located sources add the following:
Prior to use of any materials, the Contractor shall provide to the CO a State certification that the pit site is free of noxious weed as listed on the "All States Noxious Weeds List”.
106 - Acceptance of Work 106.07_nat_us_05_11_2004
106.07 Delete
Delete subsection 106.07.
107 - Legal Relations and Responsibility to the Public 107.05_nat_us_05_11_2004
107.05 Responsibility for Damage Claims.
Delete the entire subsection.
107.06_nat_us_06_16_2006
107.06 Contractor’s Responsibility for Work.
Delete the following from the first paragraph.
“except as provided in Subsection 106.07”.
107.09_nat_us_06_16_2006
107.09 Legal Relationship of the Parties.
Delete the entire subsection.
107.10_nat_us_06_16_2006
107.10 Environmental Protection.
Add the following:
Design and locate equipment repair shops, stationary refueling sites, or other facilities to minimize the potential and impacts of hazardous material spills on Government land.
Before beginning any work, submit a Hazardous Spill Plan. List actions to be taken in the event of a spill. Incorporate preventive measures to be taken, such as the location of mobile refueling facilities, storage and handling of hazardous materials, and similar information. Immediately notify the CO of all hazardous material spills. Provide a written narrative report form no later than 24 hours after the initial report and include the following:
· Description of the item spilled (including identity, quantity, manifest number, and other identifying information).
· Whether amount spilled is EPA or state reportable, and if so whether it was reported, and to whom.
· Exact time and location of spill including a description of the area involved.
· Containment procedures.
· Summary of any communications the Contractor had with news media, Federal, state and local regulatory agencies and officials, or Forest Service officials.
· Description of clean-up procedures employed or to be employed at the site including final disposition and disposal location of spill residue.
When available provide copies of all spill related clean up and closure documentation and correspondence from regulatory agencies.
The Contractor is solely responsible for all spills or leaks that occur during the performance of this contract. Clean up spills or leaks to the satisfaction of the CO and in a manner that complies with Federal, state, and local laws and regulations.
108 - Prosecution and Progress 108.00_nat_us_02_16_2005 108 Delete.
Delete Section 108 in its entirety.
109 - Measurement and Payment 109.00_nat_us_02_17_2005 109 Deletions Delete the following entire subsections:
109.06 Pricing of Adjustments.
109.07 Eliminated Work.
109.08 Progress Payments.
109.09 Final Payment.
109.02_nat_us_06_16_2006
109.02 Measurement Terms and Definitions.
(b) Contract quantity.
Add the following:
Contract quantities will be adjusted only when there are errors in the original design of 15% or more.
Change the following:
“(b) Cubic yard” to “(c) Cubic yard”.
Add the following definition:
(p) Thousand Board Feet (Mbf). 1,000 board feet based on nominal widths, thickness, and extreme usable length of each piece of lumber or timber actually incorporated in the job. For glued laminated timber, 1,000 board feet based on actual width, thickness, and length of each piece actually incorporated in the job.
(q) Actual Quantity (AQ). Actual quantities are determined from measurements of completed work.
151 - Mobilization 151.00_01_us_10_11_2006 Delete Section 151 in its entirety and replace with the following.
Description
151.01 This work consists of moving personnel, equipment, material, and incidentals to the project and performing all work necessary before beginning work at the project site; obtaining of permits, insurance, and bonds. This work also includes washing and treating construction equipment and vehicles necessary for equipment transport to remove seeds, plants, and plant fragments before the equipment is used on Forest Service lands, according to the requirements within.
Construction Requirements
Wash the sides, tops, and undercarriages of all construction equipment. Remove all seeds, plants, plant fragments, dirt, and debris from the construction equipment. Only equipment inspected by the Forest Service will be allowed to operate within the project area. All subsequent move-ins of equipment to the project area will be treated in the same manner as the initial move-in. This requirement does not apply to cars, pickup trucks, and other vehicles that regularly travel between the construction site and areas off the National Forest.
Equipment will be considered free of soil, seed, and other such debris when a visual inspection does not disclose such material. Disassembly of equipment, components or the need for specialized inspection tools is not required.
Notify the CO in writing at least 72 hours before moving any construction equipment onto the national forest. Notification will include an agreed upon location where the equipment will be available for inspection by the Forest Service. Inspection will be required after every cleaning.
Use methods of cleaning and locations for cleaning approved by the CO.
For work at a commercial washing facility, use an approved facility.
New infestations of noxious weeds of concern to Forest Service and identified by either Contractor or Forest Service, in the Project Area or on the haul route, will be promptly reported to the other party. Contractor and Forest Service will agree on treatment methods to reduce or stop the spread of noxious weeds when new infestations are found. A current list of noxious weeds of concern to Forest Service is available at each Forest Service office.
Measurement
151.02 Clean equipment prior to moving onto this project. The initial cleaning will not be included in the measurement for payment. Payment for cleaning will only be made if subsequent cleanings are ordered by the CO. Measurement shall be on an “each” basis, meaning one complete cleaning of all equipment required for this contract. Subsequent cleanings necessitated by the Contractor’s actions but not directed by the CO will not be included in the measurement for payment.
Measure mobilization according to Subsection 109.02.
Payment
151.03 The accepted quantity, measured as provided in Subsection 109.02, will be paid at the contract price per unit of measurement for the Section 151 pay item shown in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.
Progress payments for mobilization lump sum will be paid as follows:
(a) If applicable, bond premiums will be reimbursed according to FAR Clause 52.232-5 Payments Under Fixed-Price Construction Contracts, after receipt of the evidence of payment.
(b) When 5 percent of the original contract amount is earned from other bid items, 50 percent of the mobilization item, or 5 percent of the original contract amount, whichever is less, will be paid.
(c) When 10 percent of the original contract amount is earned from other bid items, 100 percent of the mobilization item, or 10 percent of the original contract amount, whichever is less, will be paid.
(d) Any portion of the mobilization item in excess of 10 percent of the original contract amount will be paid after final acceptance.
Include all costs associated with the initial cleaning of equipment in the unit bid price for Mobilization. Cleaning for subsequent move-ins will not be paid for unless after a suspension ordered by the CO.
152 - Construction Survey and Staking 152.00_Ipnf Delete Section 152 in its entirety and replace with the following.
Description
152.01 This work consists of furnishing qualified personnel and necessary equipment and material to survey, stake, calculate, and record data for the control of work. Personnel, equipment, and material shall conform to the following:
(a) Personnel. Furnish technically qualified survey crews experienced in highway construction survey and staking. Provide personnel capable of performing in a timely and accurate manner. An acceptable crew supervisor shall be on the project whenever surveying/staking is in progress.
Unless otherwise approved by the CO, conduct construction staking under the direct supervision of a Registered Professional Engineer or State Licensed Land Surveyor.
(b) Equipment. Furnish survey instruments and supporting equipment capable of achieving the specified tolerances.
(c) Material. Furnish acceptable tools, supplies, and stakes of the type and quality normally used in highway survey work and suitable for the intended use. Furnish stakes and hubs of sufficient length to provide a solid set in the ground with sufficient surface area above ground for necessary legible markings.
Use required stake dimensions and materials. Pre-paint the top 2 inches of all stakes and lath, or mark them with plastic flagging. Use agreed upon colors for paint or flagging. Mark all stakes with a stake pencil that leaves a legible imprint, with waterproof ink, or other methods approved by the CO.
Do not use aerosol spray paints in the field. Provide for the safe storage use and clean-up of paint when on National Forest System Lands. Immediately report all spills to the CO, clean-up and disposal of spills and painting waste shall be in accordance with Federal state and local requirements.
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. When required, at the conclusion of each road segment, the registered engineer shall affix the state authorized seal and sign all field books and drawings and attest in writing to the satisfactory completion of the project.
152.02 General. 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. Data relating to horizontal and vertical alignment, theoretical slope stake catch points, and other design data will be furnished. Before beginning construction, notify the CO of any missing initial reference lines, control points, or stakes. Reestablish missing reference, control lines, or stakes as necessary to control subsequent construction staking operations Perform additional calculations for convenient use of Government-furnished data. Provide immediate notification of apparent errors in the initial staking or in the furnished data.
Preserve all initial reference and control points. After beginning construction, replace all destroyed or disturbed initial reference or control points necessary to the work.
Before surveying or staking, discuss and coordinate the following with the CO:
(a) Surveying and staking methods;
(b) Stake marking;
(c) Grade control for courses of material;
(d) Referencing;
(e) Structure control; and
(f) Any other procedures and controls necessary for the work.
Survey and establish controls within the tolerances shown in Table 152-1.
Prepare field notes in an approved format. Furnish all survey notes at least weekly. All field notes and supporting documentation become the property of the Government upon completion of the work.
Start work only after staking for the affected work is accepted.
The construction survey and staking work may be spot-checked for accuracy, and unacceptable portions of work may be rejected. Resurvey rejected work, and correct work that is not within the tolerances specified in Table 152-1. Acceptance of the construction staking does not relieve the Contractor of responsibility for correcting errors discovered during the work and for bearing all additional costs associated with the error.
Remove and dispose of all flagging, lath, stakes, and other staking material after the project is complete.
152.03 Survey and Staking Requirements. Perform all survey, staking, recording of data, and calculations as necessary to construct the project from the initial layout to final completion. Reset stakes as many times as necessary to construct the work.
(a) Control points. Relocate initial horizontal and vertical control points in conflict with construction to areas that will not be disturbed by construction operations. Furnish the coordinates and elevations for the relocated points before the initial points are disturbed.
(b) Roadway cross-sections. 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 than 200 feet, take cross-sections at a maximum centerline spacing of 80 feet. When the centerline curve radius is greater than 500 feet, take cross-sections at a maximum centerline spacing of 50 feet. Take additional cross-sections at significant breaks in topography and at changes in the typical section. Along each cross-section, measure and record points at breaks in topography, but no further apart than 20 feet. Measure and record points to at least the anticipated slope stake and reference locations. Reduce all cross-section distances to horizontal distances from centerline.
(c) Slope Stakes and References. 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.
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. Recatch slope stakes on any section that does not match the staking report within the tolerances established in Table 152-2. Establish clearing limits on each side of the designed centerline by measuring the horizontal distance shown in the plans or other Government-provided data and verify the minimum clearing limit distances shown on the typical section sheet of the plans or other Government-provided data.
· 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. Establish clearing limits on each side of the designed centerline by measuring the horizontal distance shown in the plans or other Government-provided data and verify the minimum clearing limit distances shown on the typical section sheet of the plans or other Government-provided data.
· Method III—Clearing Limit and Slope Stake Combined—Cut side(s) and Through Fills Method. Establish clearing limits on each side of the designed centerline by measuring the slope distance shown in the plans or other Government-provided data and verify the minimum clearing limit distances shown on the typical section sheet of the plans or other Government-provided data. Mark this point by firmly setting a lath in the ground for cut side(s) and through fills. Mark the clearing limit on the fill side in a cut/fill section with a flag. Set the sakes/flag on lines approximate right angles to tangents and normal to the central bearing of intersecting tangents. Mark the clearing stake on the cut side(s) or on both sides in thru fill areas as agreed upon by the CO. Minimum information marked on the clearing stake shall include: The designed cut or fill to ditch grade at the slope stake point if there is a ditch or to shoulder grade if there is no ditch; the horizontal distance from the catch point to centerline; whether cut or fill is to ditch grade or shoulder grade; the slope ratio; the width “W” from inside shoulder to outside shoulder; the station; the diameter and length of culvert if section is a culvert section. Replace any clearing lath damaged or destroyed during clearing operations before starting excavation.
After each section has been slope stake, establish reference stakes for slope stake information a minimum of 10 feet slope distance outside the clearing limits. Mark this stake with the slope distance from the reference stake to the clearing stake and the information shown on the clearing stake.
· Method IV—Clearing Limit and Slope Stake Combined—Both Sides. The requirements for this method shall be the same as Method III except that clearing stakes and reference stake shall be established on both sides of the designed centerline at all sections.
· Method V—Clearing Limit and Slope Stake Combined—Cut side(s) and Through Fills and Layer Placed fills Method. Establish clearing limits on each side of the designed centerline by measuring the slope distance shown in the plans or other Government-provided data and verify the minimum clearing limit distances shown on the typical section sheet of the plans. This point shall be marked by firmly setting a lath in the ground for cut side(s) and through fills and layer place fills. The clearing limit on the fill side in cut/fill sections shall be marked with a flag. The stakes/flag shall be set on lines at approximate right angles to tangents and normal to the central bearing of intersecting tangents. Mark the clearing stake on the cut side(s) or on both sides in thru fill and layer placed fill areas as agreed upon by the CO. Minimum information marked on the clearing stake shall include: The designed cut or fill to ditch grade at the slope stake point if there is a ditch or to shoulder grade if there is no ditch; the horizontal distance from the catch point to centerline; whether cut or fill is to ditch grade or shoulder grade; the slope ratio; the width “W” from inside shoulder to outside shoulder; the station; the diameter and length of culvert if section is a culvert section. Replace any clearing lath damaged or destroyed during clearing operations before starting excavation.
· In areas designated on the plans for layer placement of fills, determine the location of the fill slope stake(s) catchpoint by measuring the slope distance information shown in the plans or other Government-provided data. Mark this location with a fill slope stake(s) which contains the following minimum information: the designed fill to shoulder grade, the horizontal distance from the catch point to centerline, the slope ratio, and the station. Upon establishment of the reference stake(s) as set forth below mark the fill slope stake(s) with the slope distance from the reference stake to the designed toe of fill and place the fill slope stake alongside the reference stake(s).
After each section has been slope staked, establish reference stakes for slope stake information a minimum of 10 feet slope distance outside the clearing limits. Mark this stake with the slope distance from the reference stake to the clearing stake and the information shown on the clearing stake.
· Method VI—Establishment of Fill Stakes in Layer Placement Fill Areas. Mark the toe of fill(s) by firmly setting the fill slope stake(s) in the ground using the slope distance information as marked on the fill slope stake(s) and measured from the reference stake. Fill slope stake(s) where established in Method V above. Establish the fill slope stake(s) after clearing has been completed and prior to embankment placement. This work need not be performed under the direction a registered Professional Engineer or State Licensed Land Surveyor.
· Method VII—Clearing Limit and Slope Stake Separate—Cut Sides(s) and Through Fills. The requirement for this method shall be the same as Method III except that the location of the slope stake catchpoint(s) will be determine by measuring the slope distance shown in the plans or other Government-provided data. The slope stake catchpoint(s) may be marked with “dummy” stake(s). Mark the lope stake on the cut side(s) or on both sides in thru fill as agreed upon by the CO. Minimum information marked on the slope stake(s) shall include: The designed cut or fill to ditch grade at the slope stake point if there is a ditch or to shoulder grade if there is no ditch; the horizontal distance from the catch point to centerline; whether cut or fill is to ditch grade or shoulder grade; the slope ratio; the width “W” from inside shoulder to outside shoulder; the station; the diameter and length of culvert if section is a culvert section. The slope stake(s) may be set back with the reference stake until after clearing operation are complete. In all cases reset the slope stake to the slope stake catch point(s) prior to starting excavation. The slope distance marked on the reference stake shall be the distance from the reference stake to the slope stake catchpoint.
· Method VIII—Clearing Limit and Slope Stake Separate—Both Sides. The requirements for this section shall be the same as Method VII, except the slope stakes and reference stakes shall be established on both side of the designed centerline at all sections.
(d) Clearing and grubbing limits. Unless otherwise specified under Subsection (c) Slope Stakes and References, set clearing and grubbing limits on both sides of centerline at roadway cross-section locations.
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 70 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. Reestablish 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.
(f) Grade finishing stakes. Set grade finishing stakes, for grade elevations and horizontal alignment, on centerline and on each shoulder at roadway cross-section locations. Set stakes at the top of subgrade and the top of each aggregate course.
Where turnouts are constructed, set stakes on centerline, on each normal shoulder, and on the shoulder of the turnout. In parking areas, set hubs at the center and along the edges of the parking area. Set stakes in all ditches to be paved.
When the centerline curve radius is less than or equal to 200 feet, the maximum centerline spacing for stakes is 25 feet. When the centerline curve radius is greater than 200 feet the maximum centerline spacing for stakes is 80 feet. The maximum transverse spacing between stakes is 20 feet. Use brushes or guard stakes at each stake.
(g) Culverts. Unless overwise specified in Subsection (c) Slope Stakes and References, stake culverts to fit field conditions, the final locations may differ from the plans. 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 invert at the ends of the culvert.
(3) Station of actual point where culvert intersects centerline.
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.
(h) Bridges. Set adequate horizontal and vertical control and reference points for all bridge substructure and superstructure components. Establish and reference the bridge chord or the bridge tangent. Also establish and reference the centerline of each pier, bent, and abutment.
(i) Retaining walls. Survey and record profile measurements along the face of the proposed wall and 5 feet in front of the wall face. Every 25 feet along the length of the wall and at all major breaks in terrain take cross-sections within the limits designated by the CO. For each cross-section, measure and record points every 25 feet and at all major breaks in terrain. Set adequate references and horizontal and vertical control points.
(j) Borrow and waste sites. Perform the work essential for initial layout and measurement of the borrow or waste site. Establish a referenced baseline, site limits, and clearing limits. Survey and record initial and final cross-sections.
(k) Permanent monuments and markers. Perform all survey and staking necessary to establish permanent monuments and markers. Set permanent monuments according to Section 621.
(l) Miscellaneous survey and staking. Perform all surveying, staking, and recording of data essential for establishing the layout and control of the following, as applicable:
(1) Approach roads and trails;
(2) Curb and gutter;
(3) Guardrail;
(4) Parking areas;
(5) Paved waterways;
(6) Special ditches;
(7) Turf establishment;
(8) Utilities;
(9) Signs, delineators, and object markers; and
(10) Pavement markings.
(11) Cattleguards
(12) Drain Dips
(13) Erosion Control Measures
(m) Field Discrepancies. Immediately notify the CO if a discrepancy is encountered between the plans and field conditions which affect the final road location. Prepare recommendations, in writing, to the CO for adjustments to the design to better fit field conditions. Affix the state authorized seal and sign the recommendation attesting to the adequacy of the adjustment. Ensure that adjustments to the design follow all applicable regulations and are consistent with design standards and criteria. Adjustments shall minimize construction effort, such as clearing and embankment volumes. Gain written approval of the adjusted design from the CO before incorporating such adjustment in the field. Return to the original design as soon as practical.
Table 152-1 Tolerances for reestablishing centerline, 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/1000ft |
| D |
| 1/300 |
| Foresight and backsight; 15 minute rejection limit |
| 0.4 ft |
| 1.0ft/1000ft |
| E |
| 1/100 |
| Foresight and backsight; 30 minute rejection limit |
| 0.8 ft |
| 1.0ft/1000ft |
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-sections 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. |
| 0.1 ft or 0.4%a |
| 0.15 ft or 0.6% a |
| 0.2 ft or 1.0% a |
| 0.2 ft or 1.0% a |
| 0.3 ft or 1.0% a |
| Horizontal and vertical accuracy for slope stake and slope stake references, in feet or percentage of horizontal distance measured from centerline or reference stake. |
| 0.1 ft or 0.4% a |
| 0.15 ft or 0.6% a |
| 0.2 ft or 1.0% a |
| 0.2 ft or 1.0% a |
| 0.3 ft or 1.0% a |
| Horizontal and vertical accuracy for clearing limits. |
| 1.0 ft |
| 1.0 ft |
| 1.0 ft |
| 1.5 ft |
| 2.5 ft |
a. Use greater value.
152.04 Acceptance. Construction survey and staking will be evaluated under Subsections 106.02 and 106.04.
Measurement
152.05 Measure the Section 152 items listed in the bid schedule according to Subsection 109.02 and the following as applicable.
Do not measure resetting stakes.
Payment
152.06 The accepted quantities, as provided above, will be paid at the contract price per unit of measure for the Section 152 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.
Payment for lump sum items will be prorated based on the total work completed.
155 - Schedules for Construction Contracts 155.00_nat_us_05_11_2004 155 Delete.
Delete Section 155 in its entirety.
156 - Public Traffic 156.03_nat_11_05_2004
156.03 Accommodating Traffic During Work.
Delete the first paragraph and replace with the following:
Accommodate traffic according to the requirements set forth below, MUTCD, and Section 635. Submit a traffic control plan for acceptance at least 14 days before intended use.
Delete the following from the last paragraph:
…..according to Subsection 106.07(b)
Add the following:
The contractor will be allowed to close Road No. 2541 to through traffic in the immediate vicinity of the culvert for a maximum period of four (4) days during construction.
Give the CO at least 14 days advance written notice prior to any road closure period to allow public notice of the closure by the Forest Service.
As a part of the sign plan, the Contractor will be required to furnish and install advance road closed signs at the beginning of Road 2541 on the Moyie River Road and at the Jct of Road 2541 and 435 (Deer Creek Road).
156.04 Maintaining Roadways During Work.
(a) Add the following:
The construction of detour roads for this project is not allowed.
156.08 Traffic and Safety Supervisor.
Delete this section in its entirety.
157 - Soil Erosion Control 157.02_01_08_23_2004
157.02 Materials
Add the following:
Provide bales, wattles, logs and rolls from a certified noxious weed free source.
157.03_0510_11_10_2004
Construction Requirements
157.03 General
Delete the first two paragraphs and add the following:
"This work includes submitting an Erosion Control Plan detailing permanent and temporary control measures to minimize erosion and sedimentation during and after construction according to the contract specifications, contract permits, Section 107, and this Section. Contract permits amend the requirements of this Section. Do not modify the type, size, or location of any control or practice without approval. Submit the erosion control plan proposal at least 7 days before operations begin to the Contracting Officer for approval.
The erosion control plan reflects special concerns and measures necessary to protect resources and government improvements. The Erosion Control Plan shall, at a minimum:
1. Describe the construction activities and sequence of implementation relating to specific erosion control measures.
2. Describe the location and type of permanent controls to be implemented during construction.
| 3. | Describe the location and type of temporary controls to be implemented during construction. |
| 4. | For work in stream channels with flowing water include a detailed dewatering plan. |
| 5. | Include procedures and temporary control measures to be implemented to minimize sediment delivery during re-watering of any new culvert with streambed simulation material. |
| 6. | For work in stream channels without flowing water describe level of ground and vegetative disturbance and measures to reduce potential sediment delivery. |
7. Describe what monitoring will take place.”
Add to the third paragraph:
“Upon completion of construction at the site, all temporary dewatering materials and equipment are to be removed from Government property."
157.04 Controls and Limitations on Work.
Add the following to the second paragraph:
“Temporary erosion control measures will be in place at the end of each days operation if greater than 30 percent chance of rainfall is predicated. Earthwork operations may be temporarily suspended if significant rainfall is forecasted.”
170 - Develop Water Supply and Watering 170.00_nat_us_03_30_2005 Description
170.01 This work consists of developing an acceptable water supply, furnishing, hauling, and applying water.
Materials
170.02 Conform to the following subsection.
Water 725.01.
Construction Requirements
170.03 Development of Supply & Access. Develop water supplies and access to the water supplies as required. Use designated water sources or other approved water sources. Before using non-designated water sources, obtain all necessary permissions, water rights, and permits.
170.04 Equipment. Provide mobile watering equipment with watertight tanks of known capacity. Provide for positive control of water application from the driver’s position.
170.05 Application. Apply water uniformly without ponding or washing.
170.06 Acceptance. Developing water supplies and watering will be evaluated under Subsections 106.02 and 106.04.
Measurement
170.07 Measure the Section 170 items listed in the bid schedule according to Subsection 109.02.
Payment
170.08 The accepted quantities will be paid at the contract price per unit of measurement for the Section 170 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.
203 - Removal of Structures and Obstructions 203.00_01_us_10_11_2006
203.03 Salvaging Material.
Delete this subsection and add the following:
Unless shown on the plans, remove all designated material from the project area and National Forest land.
203.05 Disposing of Material.
(a) Remove from project.
Delete this paragraph and add the following:
All removed material may be salvaged by the Contractor unless otherwise shown on the plans. Dispose of all items not designated to be salvaged for the Government in any legal manner.
204 - Excavation and Embankment 204.00_01_us_10_11_2006 Delete Section 204 in its entirety and replace with the following.
Description
204.01 This work consists of excavating material, constructing embankments and drainage excavation. This includes furnishing, hauling, stockpiling, placing, disposing, sloping, shaping, compacting, and finishing earthen and rocky material.
204.02 Definitions.
(a) Excavation. Excavation consists of the following:
(1) Roadway excavation. All material excavated from within the right-of-way or easement areas, except subexcavation covered in (2) below and structure excavation covered in Sections 208 and 209. Roadway excavation includes all material encountered regardless of its nature or characteristics.
(2) Subexcavation. Material excavated from below subgrade elevation in cut sections or from below the original groundline in embankment sections. Subexcavation does not include the work required by Subsections 204.05, 204.06(b), and 204.06(c).
(3) Borrow excavation. Material used for embankment construction that is obtained from outside the roadway prism. Borrow excavation includes unclassified borrow, select borrow, and select topping.
(b) Embankment construction. Embankment construction consists of placing and compacting roadway or borrow excavation. This work includes:
(1) Preparing foundation for embankment;
(2) Constructing roadway embankments;
(3) Benching for side-hill embankments;
(4) Constructing dikes, ramps, mounds, and berms; and
(5) Backfilling subexcavated areas, holes, pits, and other depressions.
(c) Conserved topsoil. Excavated material conserved from the roadway excavation and embankment foundation areas that is suitable for growth of grass, cover crops, or native vegetation.
(d) Waste. Excess and unsuitable roadway excavation and subexcavation that cannot be used.
Material
204.03 Conform to the following Subsections:
| Backfill material | 704.03 | ||
| Select borrow | 704.07 | ||
| Select topping | 704.08 | ||
| Topping | 704.05 | ||
| Unclassified borrow | 704.06 | ||
| Water | 725.01 |
Construction Requirements
204.04 Preparation for Roadway Excavation and Embankment Construction. Clear the area of vegetation and obstructions according to Sections 201 and 203.
204.05 Reserved.
204.06 Roadway Excavation. Excavate as follows:
(a) General. Do not disturb material and vegetation outside the construction limits.
Incorporate only suitable material into embankments. Replace any shortage of suitable material caused by premature disposal of roadway excavation At the end of each day's operations, shape to drain and compact the work area to a uniform cross-section. Eliminate all ruts and low spots that could hold water.
Retrieve material deposited outside of the clearing limits as directed by the CO.
(b) Rock cuts. Blast rock according to Section 205. Excavate rock cuts to 6 inches below subgrade within the roadbed limits. Backfill to subgrade with topping or with other suitable material. Compact the material according to Subsection 204.11 When blasting rock, use blasting methods according to Subsection 205.08.
(c) Earth cuts. Scarify earth cuts to 6 inches below subgrade within the roadbed limits. Compact the scarified material according to Subsection 204.11.
(d) Pioneer Roads. Road pioneering, slash disposal, and grubbing of stumps may proceed concurrently with excavation. Conduct excavation and placement operations so material to be treated under Section 201 will not be incorporated into the roadway unless specified in the slash treatment method. Maintain drainage during pioneering operations.
Remove snow and ice in advance of the work and deposit beyond the roadway limits in a manner that will not waste material or generate sediment. Do not incorporate snow and ice into embankments. Place snow or ice in a manner to prevent resource damage.
(e ) Drainage Excavation. Drainage excavation includes construction of all ditches, minor channel changes, drainage dips, catchbasins, surface water deflectors, and other minor drainage structures. Compact by Method (f) unless otherwise shown on the plans. Excavate on a uniform grade between control points.
204.07 Subexcavation. Excavate material to the limits as designated. Take cross-sections according to Section 152. Prevent unsuitable material from becoming mixed with the backfill. Dispose of unsuitable material according to Subsection 204.14. Backfill the subexcavation with topping, or other suitable material. Compact the material according to Subsection 204.11.
204.08 Borrow Excavation. Use all suitable roadway excavation in embankment construction. Do not use borrow excavation when it results in excess roadway excavation. Deduct excess borrow excavation from the appropriate borrow excavation quantity.
Obtain borrow source acceptance according to Subsection 105.02. Develop and restore borrow sources according to Subsection 105.03. Do not excavate beyond the established limits. When applicable, shape the borrow source to permit accurate measurements when excavation is complete.
204.09 Preparing Foundation for Embankment Construction. Prepare foundation for embankment construction as follows:
(a) Embankment less than 4 feet high over natural ground. Unless otherwise designated by the CO, remove topsoil. Break up the ground surface to a minimum depth of 6 inches by plowing or scarifying. Compact the ground surface according to Subsection 204.11.
(b) Embankments over an existing asphalt, concrete, or gravel road surface. Scarify gravel roads to a minimum depth of 6 inches. Scarify or pulverize asphalt and concrete roads to 6 inches below the pavement. Reduce all particles to a maximum size of 6 inches and produce a uniform material. Compact the surface according to Subsection 204.11.
(c) Embankment across ground not capable of supporting equipment. Dump successive loads of embankment material in a uniformly distributed layer to construct the lower portion of the embankment. Limit the layer thickness to the minimum depth necessary to support the equipment.
(d) Embankment on an existing slope steeper than 1V:3H. Cut horizontal benches in the existing slope to a sufficient width to accommodate placement and compaction operations and equipment. Bench the slope as the embankment is placed and compacted in layers. Begin each bench at the intersection of the original ground and the vertical cut of the previous bench.
204.10 Embankment Construction. Incorporate only suitable roadway excavation material into the embankment. When the supply of suitable roadway excavation is exhausted, furnish unclassified borrow to complete the embankment. Obtain written approval before beginning construction of embankments over 6 feet high at subgrade centerline. Construct embankments as follows:
(a) General. At the end of each day's operations, shape to drain and compact the embankment surface to a uniform cross-section. Eliminate all ruts and low spots that could hold water.
During all stages of construction, route and distribute hauling and leveling equipment over the width and length of each layer of material.
Compact embankment side slopes flatter than 1V:1.75H with a tamping type roller or by walking with a dozer. For slopes 1V:1.75H or steeper, compact the slopes as construction of the embankment progresses.
Where placing embankment on one side of abutments, wing walls, piers, or culvert headwalls, compact the material using methods that prevent excessive pressure against the structure.
Where placing embankment material on both sides of a concrete wall or box structure, conduct operations so compacted embankment material is at the same elevation on both sides of the structure.
Where structural pilings are placed in embankment locations, limit the maximum particle size to 4 inches.
(b) Embankment within the roadway prism. Place embankment material in horizontal layers not exceeding 12 inches in compacted thickness. Incorporate oversize boulders or rock fragments into the 12-inch layers by reducing them in size or placing them individually as required by (c) below. Compact each layer according to Subsection 204.11 before placing the next layer.
Material composed predominately of boulders or rock fragments too large for 12inch layers may be placed in layers up to 24 inches thick. Incorporate oversize boulders or rock fragments into the 24-inch layer by reducing them in size or placing them individually according to (c) below. Place sufficient earth and smaller rocks to fill the voids. Compact each layer according to Subsection 204.11 before placing the next layer.
(c) Individual rock…
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