A06_-_140L1722R0001-Standard_Specifications_1.pdf

Standard Specifications for RGFO

2022 Construction IDR

Bureau of Land Management

Colorado State Office

PREFACE

These Standard Specifications are issued primarily for outdoor regular maintenance of roads, recreation sites and administrative facilities on Bureau of Land Management (BLM) property .

Construction contracts of the BLM are also governed by the following regulations:

● Federal Acquisition Regulation (FAR), Title 48, Code of Federal Regulations, Chapter 1

The FAR regulations are not included in these Specifications. A complete copy of the FAR is available at https://www.acquisition.gov/.

TABLE OF CONTENTS

DIVISION 100 GENERAL REQUIREMENTS

Section 101. — TERMS, FORMAT, AND DEFINITIONS

Section 103. — SCOPE OF WORK

Section 106. — ACCEPTANCE OF WORK

Section 107. — LEGAL RELATIONS AND RESPONSIBILITY TO THE PUBLIC

Section 109. — MEASUREMENT AND PAYMENT

DIVISION 150 PROJECT REQUIREMENTS

Section 151. — MOBILIZATION

Section 156. — PUBLIC TRAFFIC

Section 157. — SOIL EROSION AND SEDIMENT CONTROL

DIVISION 200 EARTHWORK

Section 201. — CLEARING AND GRUBBING

Section 202. — SELECTIVE TREE REMOVAL

Section 203. — REMOVAL OF MINOR STRUCTURES AND OBSTRUCTIONS

Section 204. — EXCAVATION AND EMBANKMENT

Section 207. — EARTHWORK GEOSYNTHETICS

Section 209. — STRUCTURE EXCAVATION AND BACKFILL

Section 211. — ROADWAY OBLITERATION

Section 212. — LINEAR GRADING

Section 212A. — ROUTINE ROAD MAINTENANCE

Section 213. — SITE GRADING

Section 214. — ROAD AND SITE BRUSHING

DIVISION 250 SLOPE REINFORCEMENT

Section 251. — RIPRAP

DIVISION 300 AGGREGATE AND BASE COURSES

Section 301. — UNTREATED AGGREGATE COURSES

DIVISION 404 Dust Control And Base Stabilization

DIVISION 600 INCIDENTAL CONSTRUCTION

Section 601. — MINOR CONCRETE STRUCTURES

Section 602. — CULVERTS AND DRAINS

Section 607. — CLEANING EXISTING DRAINAGE STRUCTURES

Section 619. — FENCES, GATES AND CATTLE GUARDS

Section 622. — RENTAL EQUIPMENT

Section 623 — GENERAL LABOR

Section 629. — ROLLED EROSION CONTROLL PRODUCTS & SEED (ERCP)

DIVISION 700 MATERIAL

Section 701. — CEMENT

Section 703. — AGGREGATE

Section 704. — SOIL

Section 705. — RIPRAP

Section 711. — CONCRETE CURING MATERIAL AND ADMIXTURES

Section 713. — SILT FENCE

Section 714. — GEOSYNTHETIC MATERIAL

Section 719. — PAINT

DIVISION 100

GENERAL REQUIREMENTS

Section 101

Section 101. — TERMS, FORMAT, AND DEFINITIONS

101.01 Specifications Format. These specifications are divided into 10 Divisions

Division 100 consists of general contract requirements for which no direct payment is made. The requirements contained in Division 100 are applicable to all contracts.

Division 150 consists of project contract requirements that are applicable to all contracts. Work under Division 150 is paid for directly or indirectly according to Subsection 109.05 and the Section ordering the work. When there is no pay item in the bid schedule, no direct payment is made.

Divisions 200 through 600 consist of construction contract requirements for specific items of work. Work under these Divisions is paid for directly or indirectly according to Subsection 109.05 and the Section ordering the work. When there is no pay item in the bid schedule, no direct payment is made.

Division 700 contains the material requirements for Divisions 150 through 600. No direct payment is made in Division 700. Payment for material is included as part of the work required in Divisions 150 through 600.

The first three digits of the pay item number in the bid schedule identify the Section under which the work is performed.

101.02 Abbreviations. Whenever these abbreviations are used in the contract, they represent the following:

FAR — Federal Acquisition Regulations (48 CFR Chapter 1)

ISO — International Organization for Standardization

JMF — Job-Mix Formula

MPI — Master Painters Institute

MSDS — Material Safety Data Sheet

MUTCD — Manual on Uniform Traffic Control Devices for Streets and Highways

SI — International System of Units

U.S. — United States of America

USC — United States Code

101.03 Definitions. The following definitions apply to this contract:

Backfill — Material used to replace or the act of replacing material removed during construction. Material placed or the act of placing material adjacent to structures.

Base — The layer or layers of material placed on a subbase or subgrade to support a surface course.

Bid Schedule — The prepared schedule included with the bid forms, containing the estimated quantities of pay items for which unit bid prices are invited. Also known as Schedule of Items.

Construction Limits — The limits of the project site disturbed by construction operations and beyond which no disturbance is permitted. Typically the construction limits are the same as the clearing limits, except when additional clearing is required.

Contract — The written agreement between the Government and the Contractor setting forth the obligations of the parties for the performance of and payment for the prescribed work.

Contracting Officer (CO) — An official of the Government with the authority to enter into, administer, and terminate contracts and make related determinations and findings. The term includes certain authorized representatives of the CO acting within the limits of their authority as delegated by the CO.

Contractor — The individual or legal entity contracting with the Government for performance of prescribed work.

Contract Time — The specified time allowed for completion of contract work.

Cross-Section — A vertical section of the ground or structure at right angles to the centerline or baseline of the roadway or other work.

Day — A calendar day beginning and ending at midnight.

Density — Mass per unit volume of material. Specific gravity multiplied by the density of water.

Detour — A temporary rerouting of public traffic to avoid the work or part of the work.

Drawings — Design sheets or fabrication, erection, or construction details submitted to the CO by the Contractor according to FAR Clause 52.236-21 Specifications and Drawings for Construction. Also refers

Government — The Government of the United States of America.

Lift — When placing and compacting soils, aggregates, or pavement; a lift is a single, continuous layer of material that receives the same compactive effort throughout during a single work operation. When installing culvert pipe the backfill material placed on both sides of the pipe is considered to be contained in the same lift when placed to the same elevation.

Material — Substances specified or necessary to satisfactorily complete the contract work.

Measurement — The process of identifying the dimensions, quantity, or capacity of a pay item. See Section 109 for measurement methods, terms, and definitions.

Pay Item — A specific item of work for which a unit and price is provided in the contract.

Plans — The contract plans furnished by the Government showing the location, type, dimensions, and details of the work.

Project — The specific work and work area for an individual task order.

Roadbed — The graded portion of a road prepared as a foundation for upper layers and shoulders.

Roadside — The area between the outside shoulder edge and the right-of-way limits.

Schedule of Items – A schedule in the contract listing construction items with description, units of measurement and estimate of quantities, included in the work, see “Bid Schedule”.

Shoulder — A portion of the roadway contiguous with the traveled way that accommodates pedestrians, bicycles, stopped vehicles, and emergency use; as well as lateral support of the subbase, base, and surface courses.

Specifications — The written requirements for performing work.

Station — A precise location along a survey line.

Structures — Bridges, culverts, catch basins, drop inlets, retaining walls, cribbing, manholes, endwalls, buildings, sewers, service pipes, underdrains, foundation drains, and other constructed features that may be encountered in the work.

Subbase — The layer or layers of material placed on a subgrade to support a base.

Subcontract — The written agreement between the Contractor and an individual or legal entity prescribing the performance of a specific portion of the work.

Subcontractor — An individual or legal entity with which the Contractor sublets part of the work. This includes subcontractors in all tiers.

Subgrade — The top surface of a roadbed upon which the pavement structure, shoulders, and curbs are constructed.

Substantial Completion — The point at which the project is complete such that it can be safely and effectively used by the public without further delays, disruption, or other impediments.

Suitable Material — Rock or earth material that will provide stable foundations, embankments, or roadbeds, and is free of organic matter, muck, frozen lumps, roots, sod, or other deleterious material. Suitable material may require drying or adding water, root picking, and other methods of manipulation before use.

Suitable material includes the classifications of material for which the project was designed.

Superintendent — The Contractor's onsite representative who has authority to act for the Contractor and is responsible for directing and supervising construction operations on behalf of the Contractor.

Task Order – a specific project of work to be completed under the Master IDIQ Contract with a defined scope of work, schedule of items and price based on the Master Contract.

Traveled Way — The portion of the roadway designated for the movement of vehicles, exclusive of shoulders.

Unsuitable Material — Material not capable of creating stable foundations, embankments, or roadbeds.

Unsuitable material includes muck, sod, or soils with high organic contents.

Work — The furnishing of labor, material, equipment, and other incidentals necessary to complete the project according to the contract.

Section 103

Section 103. — SCOPE OF WORK

103.01 Intent of Contract. The intent of the contract is to award a Master Contract to a Contractor to provide future, as-needed, construction and completion of the work items described in the Schedule of Items (SOI). The SOI will be part of the Master Contract; no specific work shall be awarded at award of the Master Contract. The Master Contract will be used to prepare and award individual project specific Task Orders to the selected Contractor. Project specific Task Orders will be prepared and awarded utilizing pertinent line items from SOI included in the Master contract to complete specific project work.

The Master Contract will provide the unit bid prices for the work that will be completed under each Task Order. The precise details of performing the work are not described, except as considered essential for the successful completion of the work. Furnish labor, material, equipment, tools, transportation, and supplies necessary to complete the work according to the contract. All items and labor incidental to completing the work are to be included in the unit bid prices as shown on the Contractors Bid Schedule and will not be paid for separately.

Section 106

Section 106. — ACCEPTANCE OF WORK

106.01 Conformity with Contract Requirements. Follow the requirements of FAR Clause 52.246-12 Inspection of Construction.

References to standard documents and test methods of AASHTO, ASTM, GSA, and other recognized standard authorities refer to the documents and methods in effect on the date of the Solicitation for Bids (IFB) or Request for Proposal (RFP).

Perform work to the lines, grades, cross-sections, dimensions, and processes or material requirements shown in the contract.

Incorporate manufactured material into the work according to the manufacturer’s recommendations or to these specifications, whichever is stricter.

Plan dimensions and contract specification values are the values to be strived for and complied with as the design values from which deviations are allowed. Perform work and provide material that is uniform in character and reasonably close to the prescribed value or within the specified tolerance range.

The Government may inspect, sample, or test work before final acceptance of the project. If the Government tests work, copies of test reports are furnished to the Contractor upon request.

Acceptable work conforming to the contract will be paid for at the contract unit bid price. Three methods of determining conformity and accepting work are described in Subsections 106.02 through 106.04. The primary method of acceptance is specified in each Section of work, but work may be rejected if it is found not to comply with the contract.

Remove and replace work that does not conform to the contract, or to prevailing industry standards where no specific contract requirements are noted, at no cost to the Government.

As an alternative to removal and replacement, the Contractor may submit a written request to:

(a) Have the work accepted at a reduced price; or

(b) Perform corrective measures to bring the work into conformity.

Include supporting rationale and documentation in the request. Include references or data justifying the proposal based on an evaluation of test results, effect on service life, value of material or work, quality, aesthetics, and other tangible engineering basis. The CO will determine disposition of the nonconforming work.

106.02 Visual Inspection. Acceptance is based on visual inspection of the work for compliance with the contract and prevailing industry standards.

106.03 Certification. For material manufactured off-site, use a manufacturer with an ISO 9000 certification or an effective testing and inspection system. Require the manufacturer to clearly mark the material or packaging with a unique product identification or specification standard to which it is produced.

Section 106

Check certifications before incorporating the material into the work to ensure that the requirements of the contract have been met. Mark the certifications with the following information:

Project number and name;

Pay item number and description;

Contractor’s signature; and

Date.

Material accepted by certification may be sampled and tested. If material is determined not to conform with the contract, the material will be rejected whether in place or not.

106.04 Measured or Tested Conformance. Perform necessary measurements and tests to ensure work complies with the contract.

Use prevailing industry standards in the absence of contract requirements or tolerances.

Submit measurements, tests, and supporting data for acceptance.

106.05 Inspection at the Plant. Work may be inspected at the point of production or fabrication.

Manufacturing plants may be inspected for compliance with specified manufacturing methods. Material samples may be obtained for laboratory testing for compliance with quality requirements. Allow full entry at all times to the parts of the plant producing the work.

106.06 Partial and Final Acceptance. Maintain the work during construction and until the project is accepted. Repair damage caused by the Contractor before final acceptance of the entire project at no cost to the Government. See FAR Clause 52.236-11 Use and Possession Prior to Completion. Error! Bookmark not defined.

(a) Partial acceptance. When a segment of the project is completed, a final inspection of that segment may be requested. If the segment is complete and in compliance, it may be accepted. If accepted, the CO may relieve the Contractor of further responsibility for maintaining accepted work.

(b) Final acceptance. Notify the CO when the entire project is complete to schedule an inspection. If work is determined to be complete, the inspection will constitute the final inspection. The Contractor will be notified in writing of final acceptance as of the date of the final inspection. Final acceptance relieves the Contractor of further responsibility for the maintenance of the project.

If the inspection discloses unsatisfactory work, the CO will provide to the Contractor a list of the work that is incomplete or requires correction. Immediately complete or correct the work. Submit notification when the work has been completed as provided above.

Section 107

Section 107. — LEGAL RELATIONS

AND RESPONSIBILITY TO THE PUBLIC

107.01 Laws to be Observed. Follow the requirements of FAR Clause 52.236-7 Permits and Responsibilities. Comply with applicable laws, ordinances, safety codes, regulations, orders, and decrees.

107.02 Protection and Restoration of Property and Landscape. Follow the requirements of FAR Clause 52.236-9 Protection of Existing Vegetation, Structures, Equipment, Utilities, and Improvements.

Preserve public and private property. Protect survey and boundary monuments. Do not disturb the area beyond the construction limits. Replace or correct any property damage caused by construction operations as directed and at no cost to the Government.

Do not excavate, remove, damage, alter, or deface archeological or paleontological remains or specimens.

Control the work to ensure that protected sites are not disturbed or damaged. Should these items be encountered, suspend operations at the discovery site, notify the CO and continue operations in other areas.

The CO will inform the Contractor when operations may resume at the discovery site.

Before beginning work in an area, contact the local utility locating service to mark the utilities. Protect utilities from construction operations. If utility services are interrupted as a result of damage by the construction, immediately notify the utility owner, the CO, and other proper authorities. Cooperate with them until service is restored.

107.03 Responsibility for Damage Claims. Indemnify and hold harmless the Government, its employees, and its consultants from suits; actions; or claims brought for injuries or damage received or sustained by a person, persons, or property resulting from the construction operations or arising out of the negligent performance of the contract. Error! Bookmark not defined.

Procure and maintain until final acceptance of the contract, liability insurance of the types and limits specified below. Obtain insurance from companies authorized to do business in the appropriate state. Ensure the insurance covers operations under the contract whether performed by the Contractor or by subcontractors.

Carry insurance conforming to the following minimums:

(a) Worker's compensation insurance. Minimum required by law.

(b) Comprehensive or commercial general liability insurance.

(1) Personal injury and property damage coverage;

(2) Contractual liability coverage;

(3) Completed operations liability coverage;

(4) $1,000,000 combined single limit for each occurrence; and

(5) $2,000,000 general aggregate limit.

(c) Automobile liability insurance. $1,000,000 combined single limit for each occurrence.

Section 107

107.04 Contractor's Responsibility for Work. Assume responsibility for all work until final acceptance.

This includes periods of suspended work. Protect the work against injury, loss, or damage from all causes whether arising from the execution or non-execution of the work.

Rebuild, repair, restore, and make good losses, injuries, or damages to any portion of the work. This includes losses, injuries, or damages caused by vandalism, theft, accommodation of public traffic, and weather that occurs during the contract.

The Government will only be responsible for costs attributable to repairing or replacing damaged work caused by declared enemies and terrorists of the Government and cataclysmic natural phenomenon (such as tornadoes, earthquakes, major floods, and other officially declared natural disasters). The Government will not be responsible for delay costs, impact costs, or extended overhead costs.

107.05 Furnishing Right-of-Way. The Government will obtain right-of-way.

107.06 Sanitation, Health, and Safety. Follow the requirements of FAR Clause 52.236-13 Accident Prevention.

Observe rules and regulations of Federal, state, and local health officials. Do not allow workers to work in surroundings or under conditions that are unsanitary, hazardous, or dangerous.

Report accidents on forms furnished by the Government or with prior approval, on forms used to report accidents to other agencies or insurance carriers. Maintain an OSHA Form 300, Log of Work-Related Injuries and Illnesses and make it available for inspection.

Install a reverse signal alarm audible above the surrounding noise level on motorized vehicles having an obstructed view and on earth-moving and compaction equipment.

107.07 Environmental Protection.

(a) Federal Water Pollution Control Act (Clean Water Act) 33 USC § 1251 et seq.

(1) Do not operate equipment or discharge material within the boundaries of wetlands and the waters of the United States as defined by the federal and state regulatory agencies unless specified in the work and covered by Permits issued by the U.S. Army Corps of Engineers according to 33 USC § 1344 and delegated by the agency having jurisdiction. If an unauthorized discharge occurs:

(a) Prevent further contamination;

(b) Notify appropriate authorities and the CO; and

(c) Mitigate damages.

(b) Dirt, plant, and foreign material. Remove dirt, plant, and foreign material from vehicles and equipment before mobilizing to work site. Prevent introduction of noxious weeds and non-native plant species into the work site. Follow applicable Federal land management agency requirements and state requirements. Maintain cleaning and inspection records.

Section 109. — MEASUREMENT AND PAYMENT

109.01 Measurement of Work. Take and record measurements and perform calculations to determine pay quantities for invoicing for work performed. Take or convert measurements of work according to U.S. Customary measure.

Unless otherwise specified, measure when the work is in-place and complete according to the contract.

Measure the actual work performed, except do not measure work outside the design limits or other adjusted or specified limits (staked limits).

Take measurements as described in Subsection 109.02 unless otherwise modified by the Measurement Subsection of the Section controlling the work being performed. Measurement of quantities for payment for the individual pay items will be based on the contract price for each pay item.

Remeasure quantities if it has been determined that a portion of the work is acceptable, but has not been completed to the lines, grades, and dimensions shown in the plans or established by the CO.

No work is to be performed beyond the quantities allowed for in the Contract unless a contract change allowing the additional work has been signed by the CO.

109.02 Measurement Terms and Definitions. Unless otherwise specified, the following terms are defined as follows:

(a) Acre (AC). 43,560 square feet . Make longitudinal and transverse measurements for area computations horizontally. Do not make deductions from the area computation for individual fixtures having an area of 500 square feet (50 square meters) or less.

(b) Contract quantity (CQ). The quantity to be paid is the quantity listed in the bid schedule. The contract quantity will be adjusted for authorized changes that affect the quantity or for errors made in computing this quantity. If there is evidence that a quantity specified as a contract quantity is incorrect, submit calculations, drawings, or other evidence indicating why the quantity is in error and request in writing that the quantity be adjusted PRIOR to incurring additional cost.

(c) Cubic yard (CY).

(1) Cubic yard in-place. Measure solid volumes by a method approved by the CO or by the average end area method as follows:

(a) Take cross-sections of the original ground and use design or staked templates to determine end areas. Do not measure work outside of the lines or slopes established by the CO;

(b) If a portion of the work is acceptable, but is not completed to the established lines and slopes; retake cross-sections or comparable measurements of that portion of the work. Use the remeasurements to calculate new end areas; and

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

(d) Day. A calendar day beginning and ending at midnight. Round portions of a day up to the full day.

(e) Each (EA). One entire unit. Measure the actual number of units completed and accepted.

(f) Hour (HR). 60 minutes. Measure the actual number of hours ordered by the CO and performed by the Contractor. Round portions of an hour up to the next half hour. Measure time in excess of 40 hours per week at the same rate as the first 40 hours.

(g) Linear foot (LF). As applicable, measure the work along its length from end-to-end; parallel to the base or foundation; along the top; along the front face; or along the invert. Do not measure overlaps.

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

(i) Mile. 5,280 linear feet . Measure horizontally along centerline of roadway.

(l) Pound (LB). Measure according to Subsection 109.03. If sacked or packaged material is furnished, the net weight as packed by the manufacturer may be used.

(m) Square foot (SF) and Square yard (SY). 1 square yard equals 9 square feet. Measurements for area computations will be made horizontally or vertically to the surface being measured. No deductions will be made for individual fixtures having area of 9 square feet or less.

(n) Ton . 2,000 pounds. Measure according to Subsection 109.03.

109.03 Weighing Procedures and Devices.

When material is proportioned or measured and paid for by mass, provide one of the following:

(a) Commercial weighing system. Use permanently-installed and certified commercial scales.

(b) Invoices. If bulk material is shipped by truck or rail and is not passed through a mixing plant, submit a supplier's invoice with net mass or volume converted to mass. Periodic check weighing may be required.

109.04 Receiving Procedures. When the method of measurement requires weighing or volume measurement in the hauling vehicle, furnish a person to direct the spreading and distribution of material and to record the location and placement of the material on the project. During the placement, maintain a record of each delivery and document it in an acceptable manner. Include the following as applicable:

(a) Project number and name;

(b) Pay item number and description;

(c) Location where placed;

(d) Date;

(e) Load number;

(f) Truck identification;

(g) Time of arrival;

(h) Mass or volume; and

(i) Spread person's signature.

Use an approved format for the delivery records. Submit the original records and a written certification of the delivery of the material at the end of each shift.

109.05 Scope of Payment. Payment for contract work is provided, either directly or indirectly, under the pay items listed in the bid schedule.

(a) Direct payment. Payment is provided directly under a pay item listed in the bid schedule when one of the following applies:

(1) The work is measured in the Measurement Subsection of the Section ordering the work and the bid schedule contains a pay item for the work from the Section ordering the work.

(2) The Measurement Subsection of the Section ordering the work, references another Section for measuring the work and the bid schedule contains a pay item for the work from the referenced Section.

(b) Indirect payment. Work for which direct payment is not provided is a subsidiary obligation of the Contractor. Payment for such work is indirectly included under other pay items listed in the bid schedule.

This includes instances when the Section ordering the work references another Section for performing the work and the work is not referenced in the Measurement Subsection of the Section ordering the work.

Compensation provided by the pay items included in the bid schedule is full payment for performing contract work in a complete and acceptable manner. Risk, loss, damage, or expense arising out of the nature or prosecution of the work is included in the compensation provided by the pay items.

Work measured and paid for under one pay item will not be paid for under other pay items.

The quantities listed in the bid schedule are approximate unless designated as a contract quantity. Limit pay quantities to the quantities staked, ordered, or otherwise authorized before performing the work. Payment will be made for the actual quantities of work performed and accepted or material furnished according to the contract. No payment will be made for work performed in excess of that staked, ordered, or otherwise authorized.

109.06 Eliminated Work. Follow the requirements of FAR Clause 52.243-4 Changes. Work may be eliminated from the contract without invalidating the contract.

109.08 Progress Payments. Follow the requirements of FAR Clause 52.232-5 Payments under Fixed-Price Construction Contracts and FAR Clause 52.232-27 Prompt Payment for Construction Contracts.

(a) General. Only invoice payments will be made under this contract. Invoice payments include progress payments made monthly as work is accomplished and the final payment made upon final acceptance.

Only one progress payment will be made each month. No progress payment will be made in a month in which the work accomplished results in a net payment of less than $1,000.

(b) Closing date and invoice submittal date. The closing date for progress payments will be designated by the CO. Include work performed after the closing date in the following month’s invoice. Submit invoices to the designated billing office.

(c) Partial payments. Progress payments may include partial payment for material to be incorporated in the work according to FAR Clause 52.232-5(b)(2), provided the material meets the requirements of the contract and is delivered on, or in the vicinity of, the project site or stored in acceptable storage places.

Partial payment for material does not constitute acceptance of the material for use in completing items of work. Partial payments will not be made for living or perishable material until incorporated into the project.

109.09 Final Payment. Follow the requirements of FAR Clause 52.232-5 Payment under Fixed-Price Construction Contracts and FAR Clause 52.232-27 Prompt Payment for Construction.

Upon final acceptance and verification of final pay records, the Government will send a release of claims document. Execute the release of claims, and return the documents to the Government for payment. The date of approval by the Government of the final voucher for payment constitutes the date of final settlement of the contract.

DIVISION 150

PROJECT

REQUIREMENTS

Section 151

Section 151. — MOBILIZATION

Description

151.01 This work consists of moving personnel, equipment, material, and incidentals to the project and performing work necessary to prepare for the work before beginning work at the project site. This work also includes obtaining permits, insurance, and bonds, setting up temporary facilities and security on site as needed to complete the work. This work also includes washing and treating of equipment prior to transport onto public lands to remove seeds, vegetation, soil clods that may contain seeds, and having inspected by CO prior to transport.

Transport of equipment shall be paid for under Section 622.

Measurement

151.02 No measurement will be made for this item, this is a Lump Sum payment item and will be paid for according to Subsection 109.02.

Payment

151.03 Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.

Progress payments for mobilization by the 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 pay items (not including mobilization), 50 percent of the mobilization pay 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 pay items (not including mobilization), 100 percent of the mobilization pay item, or 10 percent of the original contract amount, whichever is less, will be paid.

(d) Any portion of the mobilization pay item in excess of 10 percent of the original contract amount will be paid after final acceptance.

Section 156

Section 156. — PUBLIC TRAFFIC

156.01 This work consists of controlling and protecting public traffic (vehicle/bike/horse and pedestrian) adjacent to and within the project. See FAR Clause 52.236-13 Accident Prevention.

Material

156.02 Conform to the MUTCD requirements.

Construction Requirements

156.03 General. At the prebid meeting traffic control requirements will be discussed to determine what Contractor controls will be necessary so the Contractor can assign a cost to this item. At the prework the Contractor and CO will agree on the timing and accepted method.

156.04 Traffic Control Plan. If required in the contract, and as outlined at the prework meeting, the Contractor shall submit a traffic control plan according to the MUTCD, contract traffic control plan, Section 635, and this Section. An alternate traffic control plan may be submitted for approval according to Subsection 104.03. Submit alternate traffic control plans at least 30 days before intended use.

Perform work in a manner that ensures the safety and convenience of the public and protects the residents and property adjacent to the project. Accommodate public traffic on roads adjacent to and within the project until the project is accepted.

156.05 Maintaining Public Access During Work. Maintain access as discussed with the CO at the prework meeting utilizing temporary facilities/controls as outlined in the scope of week for the task order. Maintain any temporary controls in a safe and acceptable condition.

If corrective action is requested and the corrective action is not taken immediately, the condition may be corrected and the cost of the corrective action deducted from monies due the Contractor.

156.06 Maintaining Access During Non-Work Periods. Maintain access and traffic control for public traffic during periods when work is not in progress. Snow removal to provide public access is the responsibility of the maintaining agency.

156.07 Limitations on Construction Operations. When working on roads and/or parking and the access is open to public traffic, restrict operations as follows:

(a) Operate equipment in the direction of traffic, where practical;

(b) For drop-offs of 3 inches or less, provide "Low Shoulder" warning signs. For shoulder drop-offs in excess of 3 inches provide a 1V:3H fillet with "Shoulder Drop-Off" warning signs.

(c) Provide minimum lane widths of 10 feet. Use barricades, drums, or other acceptable devices to delineate traffic lanes through areas where the travel path has been obliterated by construction operations;

Section 156

(d) Provide uninterrupted two-way communications between flaggers and also between flaggers and pilot cars unless flaggers are able to see each other and communicate. Use communications devices approved by the CO.

156.08 Nighttime Operations. Not allowed unless approved by the CO.

156.09 Acceptance. Public traffic work will be evaluated under Subsection 106.02. Traffic control devices and services will be evaluated under Section 635.

Measurement and Payment

156.10 No payment will be made for this item unless a specific pay item is listed in the Schedule of Items Do not measure controlling and protecting public traffic for payment. See Section 109.

Section 157

Section 157. — SOIL EROSION AND SEDIMENT CONTROL

157.01 This work consists of furnishing, constructing, and maintaining soil erosion and sediment control devices to eliminate or minimize pollutants in storm water discharges from the project and removal of the controls at the end of the project.

157.02 Conform to the following Sections:

Riprap 705 Silt fence 713

157.04 General. Provide soil erosion and sediment control measures according to the contract erosion and sediment control plan, contract permits, and this Section. Contract permits amend the requirements of this Section. Do not modify the type, size, or location of controls or practices without approval.

When soil erosion and sediment control measures are not functioning as intended, take corrective action to eliminate or minimize pollutants in stormwater discharges from the project.

Remove and dispose of controls properly off-site at appropriate facility.

157.05 Inspection and Reporting. Inspect erosion and sediment control measures using approved personnel at least once every 7 days and after each rain event causing runoff.

Note all inspections in the job daily diaries including, time and date and person making inspection,

157.06 Maintenance and Cleanup. Maintain temporary erosion and sediment control measures in working condition until the project is complete or the measures are no longer needed. Remove sediment trapped in control measures before deposits reach 50 percent of capacity. Use removed sediment in the work if acceptable, or dispose according to directions by COR.

Replace erosion and sediment control measures that cannot be maintained and those that are damaged by construction operations.

Remove and dispose of temporary erosion and sediment control measures when specified by the Task Order.

Restore the ground to its natural or intended condition and provide permanent erosion control measures.

157.07 Measure the Section 157 pay items listed in the bid schedule according to Subsection 109.02 and the following as applicable.

Measure temporary soil stabilization by the linear foot on the ground surface.

Measure excavation for diversion channels and sediment basins under Section 204.

Section 157

Measure riprap under Section 251.

157.08 The accepted quantities will be paid at the contract price per unit of measurement for the Section 157 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Section 109.

DIVISION 200

EARTHWORK

Section 201

Section 201. — CLEARING AND GRUBBING

201.01 This work consists of clearing and grubbing within the clearing limits designated in the plans.

A: Light to Moderate clearing and grubbing will require minimal removal of trees over 6-inches in diameter (less than 20 per acre)

B: Moderate to heavy clearing and grubbing will require significant removal of trees over 6-inches in diameter (more than 20 per acre)

Trees to be removed that are over 10-inches in diameter will be paid for separately under Section 202.

201.02 General. When required, construct erosion control measures according to Section 157. Perform work within designated limits.

Do not damage vegetation designated to remain. If damage occurs, repair or replace the vegetation in an acceptable manner.

201.03 Clearing. Within the clearing limits clear trees, brush, downed timber, and other vegetation as follows:

(a) Cut trees so they fall within the clearing limits;

(b) In areas of cut, cut stumps flush with or below the final ground-line;

(c) In areas outside the excavation, embankment, and slope rounding limits, cut stumps to within 6 inches of the ground; and

(d) Trim tree branches that extend over the project area to attain a clear height of 15 feet. If required, remove other branches to present a balanced appearance. Trim according to accepted tree surgery practices.

201.04 Grubbing. Grub deep enough to remove stumps, roots, buried logs, moss, turf, or other vegetative debris as follows:

(a) Grub areas to be excavated;

(b) Grub embankment areas. Undisturbed stumps less than 24 inches in diameter may be left in place if they protrude less than 6 inches above the original ground and will be covered with more than 48 inches of embankment. Remove all other stumps;

(c) Grub pits, channel changes, and ditches only to the depth necessary for the excavation; and

(d) Backfill stump holes and other grubbing holes with backfill material to the level of the surrounding ground according to Subsection 209.07. Compact backfill according to Subsection 209.08.

Section 201

201.05 Disposal. Merchantable timber is the Contractor's property. Dispose of clearing and grubbing debris according to Subsection 203.05.

201.06 Acceptance. Clearing and grubbing will be evaluated under Subsection 106.02.

Backfilling and compacting of stumps and grubbing holes will be evaluated under Section 209.

201.07 Measure the Section 201 pay items listed in the bid schedule according to Subsection 109.02 and the following as applicable:

Do not make deductions from the area computation unless excluded areas are shown in the plans.

Do not measure clearing and grubbing of borrow or material sources.

Payment

201.08 The accepted quantities will be paid at the contract price per unit of measurement for the Section 201 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.

Section 27

Section 202. — SELECTIVE TREE REMOVAL

202.01 This work consists of selective tree removal of individual trees and stumps outside the clearing limits specified in Section 201.

202.02 General. Clear and grub according to Section 201, except as modified herein. Do not push, pull, or fall trees into trees designated to remain.

202.03 Removal of Individual Trees or Stumps. Remove and dispose of designated trees or stumps. Cut trees to within 6 inches of the ground.

202.04 Disposing of Material.

(a) Remove from project. Unless directed otherwise by the COR, dispose of material legally off the project.

(b) Burn. No burning is allowed.

(c) Bury. If allowed by the CO, bury organic or inert debris in trenches or pits in approved areas. Do not bury debris inside the roadway prism limits, beneath drainage ditches, or in areas subject to free-flowing water. Place debris in alternating layers of 48 inches of debris covered with 24 inches of earth material.

Grade and shape the area.

(d) Scatter: If allowed by the CO, lop and scatter vegetative material on adjacent public land without damaging vegetation to remain, position logs and stumps so they will not roll, scatter with minimal overlap.

202.05 Acceptance. Work will be evaluated under Subsection 106.02.

202.06 Measure the Section 202 pay items listed in the bid schedule according to Subsection 109.02 and the

When measuring removal of individual trees by diameter, measure the average diameter at the cutoff.

202.07 The accepted quantities will be paid at the contract price per unit of measurement for the Section 202 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05. For any required haul off-site, hauling will be paid for under Section 622.

Section 203

Section 203. — REMOVAL OF MINOR STRUCTURES AND OBSTRUCTIONS

203.01 This work consists of salvaging, removing, and disposing of slash and debris, buildings, fences, structures, pavements, culverts, utilities, curbs, sidewalks, and other obstructions. This work is intended to be completed with standard construction equipment to be used for other work items in the Schedule of Items, no specialized equipment is required.

203.02 Conform to the following Section and Subsection:

Backfill material 704.03

203.03 Salvaging Material. Salvage with reasonable care material designated to be salvaged.

203.04 Removing Material.

General. Contain debris within the construction limits. Do not allow debris to enter waterways, travel lanes open to public traffic, or areas designated not to be disturbed.

Raze and remove minor structures, foundations, pavements, culverts, cattle guards, sidewalks, curbs, fences, and other obstructions within the work area shown on the plans or described in the Task Order.

Remove structures and obstructions to 24 inches below finished ground.

Except in excavation areas, backfill and compact cavities left by structure removal with backfill material to the lines and grades of the finished ground. Backfill excavated areas according to Subsection 209.09.

Compact backfill according to Subsection 209.10.

203.05 Disposing of Material. Dispose of debris, unsuitable material, and excess material as follows:

(a) Remove from project. Recycle or dispose of material legally off the project. Submit a statement documenting the nature and quantity of material processed or sold for recycling. Otherwise, submit a signed copy of the disposal agreement before disposal begins.

(b) Burn. No burning is allowed.

(c) Bury. If allowed by the CO, bury organic or inert debris in trenches or pits in approved areas. Do not bury debris inside the roadway prism limits, beneath drainage ditches, or in areas subject to free-flowing water. Place debris in alternating layers of 48 inches of debris covered with 24 inches of earth material.

Grade and shape the area.

(d) Scatter: If allowed by the CO, lop and scatter vegetative material on adjacent public land without damaging vegetation to remain, position logs and stumps so they will not roll, scatter with minimal overlap.

Section 203

(e) Hazardous material. No removal of hazardous material will be performed under this line item.

203.06 Acceptance. Removal of structures and obstructions will be evaluated under Subsection 106.02.

Backfilling and compacting cavities left by structures will be evaluated under Section 209.

203.07 Measure the Section 203 pay items listed in the bid schedule according to Subsection 109.02.

203.08 The accepted quantities will be paid at the contract price per unit of measurement for the Section 203 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this

Section 204

Section 204. — EXCAVATION AND EMBANKMENT

204.01 This work consists of excavating material and constructing embankments. This work also 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) Site excavation. Material excavated from within the site area or easement areas, Site excavation includes all material encountered regardless of its nature or characteristics.

(2) Borrow excavation. Material used for embankment construction that is obtained from outside the site area. Borrow excavation includes unclassified borrow, select borrow.

(b) Embankment construction. Embankment construction consists of placing and compacting site or borrow excavation. This work includes:

(1) Preparing foundation for embankment;

(2) Constructing 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 excavation that cannot be used.

204.03 Conform to the following Subsections:

Select borrow 704.07 Unclassified borrow 704.06

Construction Requirements

204.04 Preparation for Excavation and Embankment Construction. Clear the area of vegetation and obstructions according to Sections 201, 202 and 203.

204.05 Conserved Topsoil. Conserve topsoil from excavation and embankment foundation areas. Stockpile conserved topsoil in low windrows immediately beyond the rounding limits of cut and embankment slopes or in other approved locations. Separate topsoil from other excavated material.

Place conserved topsoil on finished areas as directed by the COR.

204.06 Site Excavation. Excavate as follows:

(a) Rock cuts. Rip rock to 6 inches below subgrade within the site limits. Backfill to subgrade with suitable material. Compact the material according to Subsection 204.10. If rock is not rippable the CO will negotiate rock removal by other means.

(b) Earth cuts. Scarify earth cuts to 6 inches below subgrade within the site limits. Compact the scarified material according to Subsection 204.10.

Dispose of unsuitable or excess excavation material according to Subsection 204.13. Replace shortage of suitable material caused by premature disposal of roadway excavation.

Shape to drain and compact the work area to a uniform cross-section at the end of each day's operations.

204.07 Borrow Excavation. Use suitable site excavation in embankment construction. Do not use borrow excavation when it results in excess excavation. Deduct excess borrow excavation from the total borrow excavation quantity.

Develop and restore borrow sources as directed by the COR. Do not excavate beyond the established limits.

When applicable, shape the borrow source to permit accurate measurements when excavation is complete.

204.08 Preparing Foundation for Embankment Construction. Prepare foundation for embankment construction as follows:

(a) Embankment over natural ground. Remove topsoil and 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 or pulverize existing surface to 6 inches below grade. Reduce 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 steps in the existing slope to a sufficient width to accommodate placement and compaction operations and equipment. Step the slope as the embankment is placed and compacted in layers. Begin each step at the intersection of the original ground and the vertical cut of the previous step.

204.09 Embankment Construction. Incorporate only suitable excavation material into the embankment.

Construct embankments as follows:

(a) General. At the end of each day's operations, shape to drain and compact the…