4. Project Specifications.pdf

Inyo Vault Toilet Site Work

Technical Specifications

April 2022

SPECIFICATIONS LIST

SPECIFICATIONS LIST

SECTION 00301 - TERMS AND DEFINITIONS

SECTION 01010 - SUMMARY OF WORK

SECTION 01050 - FIELD ENGINEERING

SECTION 01290 - PAYMENT PROCEDURES

SECTION 01310 - CONSTRUCTION SCHEDULE

SECTION 01311 - PROJECT MEETINGS

SECTION 01500 - TEMPORARY FACILITIES

SECTION 01510 - TRAFFIC CONTROL AND PUBLIC SAFETY

SECTION 01700 - PROJECT CLOSEOUT

SECTION 01900 - MOBILIZATION

SECTION 02200 - DEMOLITION AND REMOVAL

SECTION 02221 - EXCAVATION AND EMBARKMENT

SECTION 02232 - AGGREGATE BASE COURSE

SECTION 02234 - RIPRAP AND BARRIER ROCKS

SECTION 02581 - PAVEMENT MARKINGS

SECTION 02600 - WATERLINES AND APPURTENANCES

SECTION 03216 - COLD ASPHALT CONCRETE

SECTION 03300 - STRUCTURAL CONCRETE

SECTION 05500 - MISCELLANEOUS METAL WORK

SECTION 06140 - TIMBER STAIRWAY

SECTION 00301 – TERMS AND DEFINITIONS

SECTION 00301

TERMS AND DEFINITIONS

PART 1 - GENERAL

1.01 SCOPE

This section refers to the terms and definitions used throughout the project drawings and specifications, unless specifically noted otherwise.

1.02 TERMS

The specifications are generally written in the imperative mood. In sentences using the imperative mood, the subject, “the Contractor,” is implied. Also implied in the language is “shall be,” or similar words and phrases. In material specifications, the subject may also be the supplier, fabricator, or manufacturer supplying materials, products, or equipment for use on the project.

Wherever “directed,” “required,” “prescribed,” or similar words are used, the “direction,”

“requirement,” or “order” of the Contracting Officer (CO) is intended. Similarly, wherever

“approved,” “acceptable,” “suitable,” satisfactory,” or similar words are used, they mean

“approved by,” “acceptable to,” or “satisfactory to” the CO.

The word “will” generally pertains to decisions or actions of the CO.

Whenever in these specifications, or in other contract documents, the following terms (or pronouns in place of them) are used, the intent and meaning shall be interpreted as follows:

reference to a specific standard, test, testing method, or specification shall mean the latest published edition or amendment that is in effect at the solicitation issue date for the contract, unless otherwise noted.

1.03 DEFINITIONS

Wherever the following terms, or pronouns in place of them, are used in these specifications or in other contract documents, the intent and meaning are as follows:

Adjustment in Contract Price: “Equitable adjustment,” as used in the Federal Acquisition

Regulations.

Base Course: The layer or layers of specified or selected material of designed thickness placed on a subbase or subgrade to support a surface course.

Berm: Curb or dike constructed to control roadway runoff water.

Best Management Practice: A series of water quality protection practices and procedures approved or certified by the State water quality agency under the provisions of section 401/402 of

Clean Water Act, as amended.

Certificate of Compliance: A signed statement by a person with legal authority to bind a company or supplier to its product. The certificated states that the material or assemblies furnished fully comply with the requirements of the contract.

Change: “Change” means “change order” as used in the Federal Acquisition Regulations.

Clearing Limits: The limits of clearing as designated on the ground or on the drawings.

Cofferdam: A cofferdam is an enclosed single or double wall braced structure with walls sheeted with timber, concrete, or steel, and extending well below the bottom of excavation, when practical. Earthen or rockfill dikes, dams, or embankments are not considered cribs or cofferdams for this purpose.

Conduit: A pipe for carrying fluids, wire, rope, gas, etc.

Contracting Officer (CO): The person with the authority to enter into, administer, and/or 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. Authorized representatives include the Contracting Officer’s Representative (COR), and

Inspector.

Contractor: The individual, partnership, joint venture, or corporation undertaking the execution of the work under the terms of the contract and acting directly or through agents, employees, or subcontractors, as used in specifications and drawings.

Defect: A failure to meet a requirement with respect to a single quality characteristic.

Drawings: The documents, including plan and profile sheets, plans, cross sections, diagrams, layouts, schematics, descriptive literature, illustrations, schedules, performance and test data, and similar materials showing details for construction of a facility.

Embankment: A structure of soil, aggregate, or rock material placed on the prepared ground surface and constructed to subgrade.

Equipment: All machinery and equipment, including necessary supplies or upkeep and maintenance, as well as tools and apparatus necessary for the proper construction and acceptable completion of work.

Excess Excavation: Material more than that needed for construction of designated improvements.

Falsework: Any temporary construction work used to support the permanent structure until it becomes self-supporting. Falsework includes steel or timber beams, girders, columns, piles, foundations, and any proprietary equipment including modular shoring frames, post shores, and adjustable horizontal shoring.

Forest Service: The United States of America, acting through the Forest Service, U.S.

Department of Agriculture.

Government Land: National Forest System lands, and other lands controlled or administered by the Forest Service or other Federal agencies.

Inspector: The Government-authorized representative designated in writing by the Contracting

Officer or Contracting Officer’s Representative responsible for detailed inspection.

Invert: The lowest point of the internal cross section of pipe.

Job-Mix Formula: Percentage of each material in a mixture intended for a particular use.

Laboratory: A testing laboratory of the Government, or any other testing laboratory approved by the Contracting Officer.

Lot: An isolated quantity of material from a single source; a measured amount of construction assumed to be produced by the same process.

Materials: Any substances specified for use in the construction of the project and its appurtenances.

Measurement: Determining and expressing the quantities of work or materials.

Neat Line: A line defining the proposed or specified limits of an excavation or structure.

Nominal Dimensions or Weights: The numerical values shown on the drawings or in the specifications as measurements of materials to be used in the construction.

Nominal Maximum Particle Size: The largest sieve size listed in the applicable specification upon which any material is permitted to be retained.

Pass: A pass shall consist of one complete coverage of the surface.

Pavement Structure: Subbase, base, or surface course, or combination thereof, placed on a subgrade to support traffic loads and distribute them to the roadbed.

Profile Grade: The trace of a vertical plane, as shown on the drawings, intersecting the top surface at the centerline of the proposed facility construction

Random Sampling: A sample of material chosen such that each increment of a population of material has an equal probability of being selected.

Reasonably Close Conformity: Compliance with reasonable and customary manufacturing and construction tolerances, performing all work and furnishing all materials in “reasonably close conformity” with lines, grades, cross sections, dimensions, and material requirements shown on the drawings, indicated in the specifications, or designated on the ground.

Right-of-Way: A general term denoting (1) 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) land, appurtenances thereto, or interest therein, usually in a strip, acquired for public or private passageway.

Schedule of Items: A Schedule in the Contract that contains a listing and description of construction items, quantities, units of measure, methods of measurement, unit price, and amount.

Second Sample: A sample taken when the initial sample indicated that the material is defective.

Shoulder: The portion of the roadway or walkway contiguous to the traveled way or accommodation of stopped vehicles, emergency use, and lateral support of pavement structure.

Sidewalk: The portion of the roadway constructed primarily for pedestrian use.

Specifications: A description of the technical requirements for a material, product, or service that includes criteria for determining whether these requirements are met.

Station: (1) A measure of distance used for highways and railroads equal to 100 feet. (2) A precise location along a survey line.

Subbase: The prepared surface, including widening for curves, turnouts, and other areas upon which a subbase, base, or surface course is constructed.

Surface Course: The top layer of a pavement structure, sometimes called the wearing course, usually designed to resist skidding, traffic abrasion, and disintegrating effects of climate.

Target Value: Values that are established according to the contract, and from which allowable variations are measured.

Traveled Way: The Portion of the roadway for the movement of vehicles, exclusive of shoulders and auxiliary lanes.

Unit of Measurement: The unit and fractions of units designated in the Schedule of Items.

Unsuitable Material: The material excavated during construction that is not usable in embankment and must be disposed of, or that can be used only in certain locations or for limited purposes.

1.04 MEASUREMENT AND PAYMENT

Compensation provided for in the contract is full payment for performing all contract work in a complete and acceptable manner. All risk, loss, damage, or expense arising out of the nature or prosecution of the work is included in the compensation provided by the contract.

Work required by the contract will not be paid for directly unless a LINE ITEM for the work is designated in the Schedule of Items.

Work referenced for measurement under another section will not be paid for directly unless a

LINE ITEM for the work designated in the Schedule of Items for the referenced section.

Work not paid for directly is included under the other contract LINE ITEMS.

Unless otherwise shown, work measured and paid for under one LINE ITEM will not be paid for under any other LINE ITEM.

The quantity to be paid for is the quantity designated in the Schedule of Items. No payment will be made for work performed in excess of that staked, ordered, or otherwise authorized.

When more than one class, size, or thickness is specified in the Schedule of Items for LINE

ITEMS, suffixes will be added to the item number to differentiate between the items.

1.05 DETERMINATION OF QUANTITIES

The following measurement and calculations are used to determine contract quantities.

For individual construction items, longitudinal and lateral measurements for area computations shall be made horizontally or corrected to horizontal measurement unless otherwise specified.

Measurement for seeding, mulching, geotextiles, netting, erosion control blankets, and sodding shall be along slope lines.

Structures shall be measured according to neat lines shown on Project Drawings, or as altered by the CO in writing to fit field conditions.

For items that have linear measurements, such as pipe, measurement shall be made parallel to the base or foundation upon which the structures are placed. Pipe shall be measured along center of invert.

For standard manufactured items (such as fence, wire, plates, rolled shapes, and pipe conduits) identified by gauge, weight, section dimensions, and so forth, such identifications shall be considered the nominal weight or dimensions. Unless controlled by tolerances in cited specifications, manufacturer’s tolerances shall be accepted.

1.06 UNITS OF MEASUREMENT

Payment will be by units defined and determined according to measure. Unless otherwise specified, the meanings of the following terms are as follows:

A. Cubic Yard in Place (CY): Measure solid volumes by multiplying completed length by width by height/depth; or other method involving three-dimensional measurements.

B. Cubic Yard in the Hauling Vehicle (CY): Material measured in the hauling vehicle may be weighed and converted to cubic yards for payment purposes if the conversion factors are mutually agreed to in writing.

C. Each (EA): One entire unit, which may consist of one or more parts. The quantity is the actual number of units completed and accepted.

D. Acre (AC): 43,560 ft2. Make longitudinal and transverse measurements for area computations horizontally. Do not make deductions from the area computation for individual exclusions having an area of 500 ft2.

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

F. Pound (lb.): If sacked or packaged material is furnished, the net weight as packed by the manufacturer may be used.

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

1. Measured volume container.

2. Metered volume. Use an approved metering system.

3. Commercially packaged volumes.

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 item.

I. Linear Foot (LF): Measure form end to end, parallel to the base or foundation being measured, or horizontal.

J. Station (STA): 100 feet measured horizontally.

K. Square Yard (SY): Measure on a plane parallel to the surface being measured or horizontally.

L. Ton (T): 2000 Pounds.

No adjustment in contract unit price will be made for variations in quantity due to the differences in the specific gravity or moisture content.

Use net certified scale weights, or weights based on certified volumes.

1.07 Method of Measurement

One of the following methods of measurement for determining final payment is designated in the

Schedule of Items for each LINE ITEM.

A. Contract Quantities (CQ): These quantities denote the final number of units to be paid for under the terms of the contract. They are based upon the original design data available prior to advertising the project. Original design data include the preliminary survey information, design assumptions, calculations, drawings, and the presentation in the contract. Changes in the number of units designated in the Schedule of Items may be authorized under any of the following conditions:

1. Changes in the work authorized by the CO.

2. A determination by the CO that errors exist in the original design that cause a LINE-

ITEM quantity to change by 15 percent or more.

3. A written quantity of a LINE ITEM to change by 15 percent or more. The evidence must be verifiable and consist of calculations, drawings, or other data that show how the designed quantity is in error.

B. Staked Quantities (SQ): These quantities are determined from staked measurements prior to construction.

C. Actual Quantities (AQ): These quantities are determined from measurement of completed work.

D. Vehicle Quantities (VQ): These quantities are measured or weighed in hauling vehicles.

E. Lump Sum Quantities (LSQ): These quantities denote one complete unit of work as required by or described in the contract, including necessary materials, equipment, and labor to complete the job.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

END OF SECTION

SECTION 01010 – SUMMARY OF WORK

SECTION 01010

SUMMARY OF WORK

1.01 DESCRIPTION:

A. Work under this contract includes, but is not limited to, the following items of work at nine

(9) Day Use sites on the Inyo National Forest:

1. Construction of cast-in-place concrete sidewalks at nine (9) Day Use sites, as identified in the schedule of items and project drawings.

2. Installation of Class 2 Rip Rap at one (1) Day Use site, as identified in the schedule of items and project drawings.

3. Furnishing and placement of barrier rocks at four (4) Day Use sites, as identified in the schedule of items and project drawings.

4. Removal and replacement of concrete wheel stops at one (1) Day Use site, as identified in the schedule of items and project drawings.

5. Installation of concrete bollards at one (1) Day Use site, as identified in the schedule of items and project drawings.

6. Furnishing and placement of CalTrans Class 2 aggregate base course at nine (9) Day Use sites, as identified in the schedule of items and project drawings.

7. Installation of a 1” HDPE waterline and the installation of two (2) frost proof water hydrants at two (2) Day Use sites, as identified in the schedule of items and project drawings.

8. Demolition of an existing asphalt sidewalk at one (1) Day Use site and the disposal of the debris off of National Forest land, as identified in the schedule of items and project drawings.

9. Installation of pavement markings & striping and the removal of existing pavement markings, as identified in the schedule of items and project drawings.

10. Installation of a concrete electrical box collar at one (1) Day Use site, as identified in the schedule of items and project drawings.

11. Installation of a timber stairway at one (1) Day Use site, as identified in the schedule of items and project drawings.

12. Construction of compacted aggregate trail sections at two (2) Day Use sites, as identified in the Schedule of Items and project drawings.

13. Demolition of an existing wooden shed structure at one Day Use site, as identified in the schedule of items and project drawings. Includes hauling away the resulting debris and recontouring the demolition site.(Optional Bid Item #1).

1.02 LOCATION:

A. The project is located at nine (9) Day Use sites locaed on the Inyo National Forest; Big Pine

Creek North Fork Trailhead, Convict Lake Day Use Area North, Convict Lake Day Use Area

South, Duck Pass Traihead, Emerald Picnic Area, Horseshoe Lake Picnic Area, Lundy

Canyon Trailhead, Rush Creek Trailhead and Silver Lake Picnic Area.

B. The Project owner is the USDA Forest Service, Inyo National Forest.

1.03 OWNER RESPONSIBILITY:

A. The Forest Service’s responsibility for project construction includes:

1. Review and approve shop drawings, product data and submittals from the Contractor.

2. Prepare and approve Contractor payment invoices and final payments.

3. Review and authorize contract change orders and/or extra work.

4. Provide project inspection and approval of Contractor’s work.

5. Provide access to the site and staging areas for performance of specified work.

1.04 CONTRACTOR’S USE OF PREMISES:

A. Construction camping within the site will not be allowed.

B. The Contractor shall conduct their operations to minimize inconvenience to the public. The

Contractor may close portions of the site during construction and provide temporary access lanes. The traffic control plan shall be developed by the Contractor and approved by the

COR.

C. Storage of construction materials shall be limited to those areas designated and approved by the COR.

D. The contractor shall take precautions to locate and protect all existing utility lines. Notify utility companies via Underground Services Alert (USA) and the COR prior to excavations in the vicinity of known utilities.

1. If damage occur to an unknown utility, repairs shall be performed as directed by the

COR. Equitable adjustments shall be made under the terms of the changes provisions.

E. The Contractor shall comply with all legal load requirements of the State of California, County and City Jurisdictions when operating on area access roads. Damage to existing roadways from equipment operation or excessive loads shall be repaired by the Contractor at no additional cost to the Forest Service.

1.05 FIELD VERIFICATION

A. The Contractor shall field-verify all new and existing dimensions and field conditions prior to starting work or ordering products.

1.06 CONTRACTOR-FURNISHED ITEMS:

A. The Contractor shall furnish all labor, materials, and equipment necessary for the successful completion of the work, as specified.

SECTION 01050 – FIELD ENGINEERING

SECTION 01050

FIELD ENGINEERING

1.01 CONSTRUCTION STAKING

A. Construction staking shall be the responsibility of the Contractor. The Forest Service shall furnish benchmarks to establish lines and grades required for the completion of the work as shown on the project drawings, and as specified in the Standard Specifications for

Construction of Roads and Bridges on Federal Highways and these specifications.

1.02 CONTRACTOR’S QUALITY CONTROL

A. The Contractor shall employ an experienced grade setter to maintain the construction stakes and ensure that the earthwork portion of the project is being constructed to the design grades.

B. Provide copies of all grade sheets to the COR immediately after compiling each phase of project layout or as requested by the COR.

C. Minimum accuracy for required work is as follows:

1. Grade: Vertical Tolerance: +/- 0.05 feet, Horizontal Tolerance: +/- 0.5 feet.

2. Culverts and ditches: Horizontal Tolerance: +/- 0.5 feet, Vertical Tolerance: +/- 0.05 feet.

3. Structures: Horizontal Tolerance: +/- 0.5 feet (location), Vertical Tolerance: +/- 0.05 feet.

PART 3 - EXECUTION

3.01 LAYOUT OF WORK

A. Contractor shall verify layout information shown on the project drawings, in relation to the existing benchmarks prior to starting work.

B. As work proceeds, check every major element for line, level and plumb. Maintain a surveyor’s log or record book of such checks and make this log or record book available for the Contracting Officer’s reference.

C. Record deviations from required lines and levels and advise the Contracting Officer promptly upon detection of deviations that exceed indicated or recognized tolerances.

D. Record deviations which are accepted by the Contracting Officer, and not corrected, on record drawings.

SECTION 01290 – PAYMENT PROCEDURES

SECTION 01290

PAYMENT PROCEDURES

1.01 DESCRIPTION

A. Work Included: Comply with procedures described in this Section when applying for progress payment and final payment under the Contract.

B. Related Documents:

1. Schedule of Items.

2. General provisions of the Contract, and Section 00301.

1.02 QUALITY ASSURANCE

A. During progress of the Work, modify the schedule of items to reflect changes in the Contract sum due to Change Orders or other modifications of the Contract.

1.03 SUBMITTALS

A. Informal Submittal: Informal submittal of the Contractor's Application for Payment may be made prior to the schedule for formal submittal described in the Contract, if the Contractor and Contracting Officer agree that such informal and preliminary submittal will facilitate the

Contracting Officer's review of the formal submittal.

B. Invoices will be prepared by the Contractor, and submitted through the invoicing processing platform (IPP)

SECTION 01310 – CONSTRUCTION SCHEDULE

SECTION 01310

CONSTRUCTION SCHEDULE

1.01 DESCRIPTION

A. The purpose of this section is to assure adequate planning and execution of the Work so that the Work is completed within the number of calendar days allowed in the Contract, and to assist the Contracting Officer and Forest Service in appraising the reasonableness of the proposed schedule and in evaluating progress of the Work, prepare and maintain the schedules and reports described in this Section.

B. Related Work Specified Elsewhere:

1. Construction Period: Refer to Construction Contract.

1.02 QUALITY ASSURANCE

A. Perform data preparation, analysis, charting, and updating in accordance with standards approved by the COR.

1.03 SUBMITTALS

A. Submit construction schedule electronically: Within 5 days after the Contractor has received the Notice to Proceed. Schedule shall be prepared in accordance with Part 3 of this Section.

B. Periodic Reports: On the first day of each week submit an updated construction schedule to the COR, in accordance with Part 3 of this Section.

PART 2 - PRODUCTS

2.01 CONSTRUCTION ANALYSIS

A. Graphically show the order and interdependence of all activities necessary to complete the

Work, as planned by the Contractor and his project field superintendent in coordination with all subcontractors whose work is shown on the diagram.

B. The Schedule shall be coordinated with the Forest Service’s use of the site, the COR's time for submittal reviews, the schedules for work of the various subcontractors and material availability.

C. Include, but do not necessarily limit indicated activities to:

1. Project mobilization.

2. Submittal and approval of Shop Drawings and Samples.

SECTION 01310 – CONSTRUCTION SCHEDULE

3. Procurement of equipment and critical materials.

4. Fabrication of special material and equipment, and its installation and testing.

5. Final cleanup.

6. Inspections and testing.

7. All activities by the Contracting Officer that affect progress, required dates for completion, or both, for all and each part of the Work.

D. Show complete sequence of construction by activity, identifying work of separate stages, and other logically grouped activities. Indicate dates for early and late start, early and late finish, float, and duration.

E. Provide a workable plan for monitoring the progress of all elements of the Work, establish the critical elements of work, and forecast potential problems in maintaining the specified completion dates.

3.01 CONSTRUCTION SCHEDULE

A. As soon as practicable after receipt of Notice to Proceed, complete the construction analysis in preliminary form, meet with the COR, review contents of the proposed construction schedule, and make all revisions agreed upon.

B. Submit in accordance with Paragraph 1.03-A above.

3.02 PERIODIC REPORTS

A. Submit Periodic Reports as follows:

1. Include proposed equipment on site.

2. Include name of Contractor’s rep on site.

3. List labor force onsite, indicate General/Subcontractor.

4. Indicate "actual" progress in percent completion for each activity.

5. Provide written narrative summary of revisions causing delay in the program, and an explanation of corrective actions taken or proposed.

B. Submit in accordance with Paragraph 1.03-B above

SECTION 01311 – PROJECT MEETINGS

SECTION 01311

PROJECT MEETINGS

1.01 SUMMARY

A. Section includes requirements for the pre-work conference, progress meetings, and final inspection.

2.01 PRE-WORK CONFERENCE

A. Notification: A pre-work conference will be held prior to the start of work. The Contractor will be notified in advance of meeting time, date and place. The purpose of the meeting will be to review required work, project drawings and specifications, construction and Schedule of

Items, payroll and payments, and administrative provisions of the Contract.

B. Attendance: The Contractor, subcontractors, and the persons responsible for coordination of the work should be present at the meeting.

C. Presentation: The Contractor shall be prepared to summarize and explain procedures planned for the project and present the submittals requested in the specifications.

2.02 PROGRESS MEETINGS

A. Location: Meetings shall be held at the project sites or as determined by the Contracting

Officer.

B. Notification: Meetings may be called by either the Contracting Officer or the Contractor.

Request shall state who should attend and include an agenda.

2.03 FINAL INSPECTION

A. Location: Meetings shall be held at the project sites.

B. Notification: The Contractor shall notify the COR in writing 15 working days before the completion date, so the Government can schedule the final inspection.

C. Attendance: The Contractor shall require the project superintendent to be present during this inspection.

SECTION 01500 – TEMPORARY FACILITIES

SECTION 01500

TEMPORARY FACILITIES

1.01 TEMPORARY UTILITIES AND SANITARY FACILITIES

A. The Contractor shall provide and pay for all necessary temporary heat, power, steam, light and gas required during the project.

B. The Contractor shall furnish, wire for, install, and maintain temporary electric lights wherever it is necessary to provide illumination for proper performance and or inspection of the Work.

C. The Contractor shall provide, pay for, install, and maintain for the duration of the Work, all necessary toilet, and sanitary facilities for workers. All such facilities shall be kept in a clean and sanitary condition and shall conform to all applicable codes and regulations governing such facilities.

D. The Contractor shall coordinate with the Forest Service for a source for construction water.

APRODUCTS (NOT USED)

PART 2 - EXECUTION (NOT USED)

SECTION 01510 – TRAFFIC CONTROL AND PUBLIC SAFETY

SECTION 01510

TRAFFIC CONTROL AND PUBLIC SAFETY

1.01 SCOPE

A. The work included under this section shall consist of providing for the public’s convenience, safety, and maintaining traffic control, including flaggers. A Traffic Control Plan shall be submitted to the COR prior to implementation.

1.02 TRAFFIC AND ACCESS

A. The Contractor's operations shall minimize inconvenience to the public while maintaining safe working conditions. The Contractor shall control vehicular and pedestrian traffic in and around the project sites.

B. The Contractor shall maintain pedestrian access to trailheads at all times. The contractor may mark out a trail reroute or corridor around protect job sites to trails, as approved by the COR.

The trial reroute or corridor shall include directional signage, to make it easier for pedestrians to access the trail.

C. Safe and adequate access shall be provided and maintained to all utility control locations.

Access to these facilities shall be continuous and unobstructed unless otherwise approved by the COR.

D. The Contractor shall submit a Traffic Control Plan to the COR for approval. The Traffic

Control Plan shall identify how pedestrian and vehicle access will be maintained at project sites.

1.03 STORAGE OF EQUIPMENT AND MATERIALS IN PUBLIC STREETS

A. Construction materials may not be stored in streets, roads, or highways after unloading except where such street or road is provided with a detour. All such materials or equipment not installed or used in the construction shall be stored elsewhere by the Contractor at the

Contractor's expense unless the Contractor is authorized additional storage space. The

Contractor shall coordinate with Caltrans concerning use of right-of-way for storage of materials or equipment.

B. Excavated material, except that which is to be used as backfill in the adjacent trench, may not be stored in public streets, roads, or highways unless otherwise permitted. After placing backfill, all excess material shall be removed immediately from the site.

1.04 STREET CLOSURES, DETOURS, BARRICADES

A. The Contractor shall comply with all applicable State, County, and City requirements for closure of streets. The Contractor shall provide barriers, guards, lights, signs, temporary bridges, flaggers, and other persons, advise the public of detours and construction hazards.

The Contractor shall also be responsible for compliance with additional public safety

SECTION 01510 – TRAFFIC CONTROL AND PUBLIC SAFETY

requirements which may arise during construction. The Contractor shall furnish and install, and upon completion of the work, promptly remove all signs and warning devices.

1.05 SIGNS, LIGHTS, AND DEVICES

A. All signs, lights, barricades, and use of flaggers shall conform to the requirements set forth in the “Manual on Uniform Traffic Control Devices” by the Federal Highway Administration.

SECTION 01700 – PROJECT CLOSEOUT

SECTION 01700

PROJECT CLOSEOUT

1.01 SUMMARY:

A. The work under this section consists of final cleanup, closeout, submittals, and final inspection procedures.

3.01 CLEANING: Before scheduling the final inspection, remove all tools, equipment, surplus materials, and rubbish. Restore or refinish surfaces that are damaged due to work of this contract to their original condition. Remove grease, dirt, stains, foreign materials and labels from finished surfaces, thoroughly clean building interiors and pick up all construction debris from the site. At time of final inspection, project sites shall be thoroughly clean and ready for use.

3.02 PROJECT RECORD DRAWINGS:

A. Maintain one complete full-size set of contract drawings and one full-size set of vendor-supplied drawings. Clearly mark changes, deletions and additions using conventional drafting standards to show actual construction conditions. Show additions in red, deletions in green and special instructions in black.

B. Keep record drawings current. Inspection will be made monthly or as determined by the

COR, and certification of accuracy and completeness will be required for each payment requisition.

C. On completion of the total project, submit complete record drawings. Include all changes, deletions, and additions in the submitted final drawings.

3.03 WARRANTY:

A. Requirements: Materials and equipment furnished under this Contract shall be covered by the most-favorable commercial warranties the Contractor gives to any customer for such materials or equipment. The rights or remedies provided shall be in addition to and shall not limit any rights afforded to the Government by any other clause of this Contract. With respect to all warranties, expressed or implied, from manufacturers or suppliers for materials or equipment furnished under the Contract, the Contractor shall:

1. Obtain all warranties that would be given in normal, commercial practices.

2. Require all warranties to be executed, in writing, for the benefit of the Government.

3. Submit all warranties to the COR, prior to the final inspection.

1. Include proposed equipment on site.

SECTION 01700 – PROJECT CLOSEOUT

3.04 CLOSEOUT SUBMITTALS:

Contractor shall submit the following before requesting a final inspection.

A. Project Record Drawings: As specified above.

B. Operation and Maintenance Data.

3.05 SUBSTANTIAL COMPLETION AND FINAL INSPECTION: Submit written certification that project, or designated portion of project, is substantially complete, and request in writing a final inspection. The COR will inspect within 10 days of receipt of the request.

A. When work is determined to be substantially complete, the COR will prepare a list of deficiencies to be corrected before final acceptance and issue a Letter of Substantial

Completion.

B. If work is not determined to be substantially complete, the COR will notify the Contractor in writing. After completing work, the Contractor shall resubmit certification and request a new final inspection.

3.06 ACCEPTANCE OF THE WORK: After all deficiencies have been corrected, a Letter of

Acceptance will be issued.

SECTION 01900 - MOBILIZATION

SECTION 01900

MOBILIZATION

A. This work shall include preparatory work and operations necessary for the movement of personnel, equipment, supplies and incidentals to the project site, and for all other work and operations that must be performed prior to beginning work on various items on the project.

Preparatory work includes the cleaning of all construction equipment delivered to the project.

The cost of bonding is also included within this pay item.

PART 4 - MEASUREMENT AND PAYMENT

4.01 MEASUREMENT: Shall be lump sum for the job.

4.02 PAYMENT: Progress payments shall be made as follows:

A. When 5 percent or more of the original contract amount is earned from other pay items, 50 percent of the amount for mobilization, or 5 percent of the original contract amount, whichever is less, will be paid.

B. When 10 percent or more of the original contract amount is earned from other pay items, 100 percent of the amount for mobilization, or 10 percent of the original contract amount, whichever is less, will be paid.

C. Upon completion of all work on the project, any unpaid amount for mobilization will be paid.

D. The total of all payments, including bonding, shall not exceed the original contract amount for this item.

E. Payment for project mobilization will be included in the Schedule of Items under, Pay Item

No. 01900.

SECTION 02200 – DEMOLITION AND REMOVAL

SECTION 02200

DEMOLITION AND REMOVAL

A. Work under this section shall include all demolition & removal off of National Forest Land as shown on the project drawings, including, but is not necessarily limited to the following:

1. Site Restoration.

2. Hauling and Disposal of Debris.

3. Salvaged Items.

1.02 REQUIREMENTS

A. The Contractor shall remove and dispose of all items as shown on the project drawings, which may include but are not limited to, existing utilities, asphalt surfacing, concrete slabs, drinking fountains, and all other existing debris as required to be demolished within project limits. Unless otherwise indicated, demolished, and excavated materials become Contractor's property.

B. The Contractor shall remove, salvage and re-install items as shown on the project drawings, which may include but are not limited to, existing utilities, control panels, mechanical equipment, concrete wheel stops and signage. The Contractor shall ensure that all salvageable items are properly stored and replaced. If damage occurs to any salvageable item, the

Contractor shall replace the item with a brand-new item at no additional cost to the contract.

C. The Contractor shall always protect the public from demolition activities. The Contractor shall be responsible for the erection, maintenance and, after use, removal of temporary safeguards such as fencing, barricades, guard rails, signs, lights, flares, and all necessary items as required for protection and safety of personnel, and for security of property.

D. Any safeguards protecting existing facilities and controls shall remain in place for the duration of the project.

E. All existing vegetation, outside the areas to be cleared and grubbed, or identified to not be disturbed during construction, shall be protected from injury or damage resulting from the

Contractor's operations.

F. Remove at-grade and below grade improvements necessary to permit construction and other work as indicated.

G. Removal of abandoned underground piping, conduit or structures interfering with construction is included under this section.

H. No stockpiling of demolition debris outside of existing work area will be allowed. Items designated to be salvaged and re-incorporated into the project shall be temporarily stored per

COR’s direction.

1.03 SITE CONDITIONS

A. UTILITY SERVICES

1. The Contractor shall arrange with the utility provider to shut off utilities when necessary.

2. Cut off pipe or conduit for utilities to be abandoned or discontinued a minimum of 24-inches below grade, unless otherwise noted on the project drawings. Cap, valve, or plug and seal the remaining portion of pipe or conduit.

3. At no times shall the Contractor interrupt existing utilities that serve occupied or active facilities, except when authorized in writing to do so by the COR.

B. The Contractor shall provide all shoring, sheeting, and bracing required to retain excavations and to prevent slides and cave-ins. The Contractor shall have full responsibility for the stability of all temporary excavated slopes. Trench safety shall conform to the rules and regulations of the United States Department of Labor Occupational Health and Safety

Administration (OSHA).

C. Perform all operations to avoid breakage, marring, bending or other damage to existing structures or utilities, which are to remain. Brace sides of excavation and shore structures when needed for stability.

D. Explosives: The use of explosives will not be permitted.

E. If damage is done to any adjacent facilities caused by demolition operations, the Contractor shall promptly repair the damage. All costs for repair of damaged facilities shall be at the

Contractor’s expense.

PART 2 - PRODUCTS (NOT APPLICABLE)

3.01 DEMOLITION

A. Demolish and remove the following within the project limits:

1. ABANDONED UTILITIES: Abandoned utility lines may exist within project site which are not shown on the project drawings. The Contractor shall contact the COR upon discovery of any utilities encountered that are not shown on the project drawings that affect the work. The Contractor shall demolish and remove these items, if required, upon approval by the COR.

2. DEBRIS: The Contractor shall remove all existing debris that exists on-site as required to complete the work.

3. SHED: The Contractor shall demolish the existing wooden shed structure, as indicated on the project drawings.

4. ASPHALT SIDEWALK & CONCRETE STRUCTURES: The Contractor shall remove the existing asphalt sidewalk & existing concrete structures as indicated on the project drawings.

5. PAVEMENT MARKINGS: The Contractor shall remove all pavement marking at locations indicated on the project drawings.

6. WATER HYDRANT: The Contractor shall remove the existing water hydrants as shown on the project drawings, including any connected appurtenances.

B. CLEANING

1. Promptly remove from the project sites and legally dispose of all demolished materials.

Remove all equipment, debris, and rubbish from the project sites.

2. During progress of this work, maintain the site in a presentable condition. Clean up spillage and debris at the site and on haul routes and public roads.

3. Promptly repair any items damaged during the progress of this work, including any damage to pavement, sidewalks, haul routes, public roads or adjacent ground caused by transporting materials or equipment.

4. All debris resulting from the work shall become the Contractor’s property.

5. The Contractor shall take all steps necessary to prevent spillage when transporting waste materials to a disposal site. The Contractor shall be solely responsible for any costs required for cleanup and damage resulting from the Contractor’s haul spillage.

C. Bring to the COR’s attention, any obstructions which are not noted or shown on the project drawings or described herein. Protect such facilities until further direction is received from the COR. Additional work required due to unforeseen conditions shall be performed as directed by the COR and will be paid for as extra work in accordance with the General

Conditions.

D. The Contractor shall maintain erosion and pollution controls during demolition operations.

3.02 SITE RESTORATION

A. Completely fill below grade areas and voids resulting from structure demolition operations with onsite soil materials.

B. Uniformly rough grade areas of demolished construction to a smooth surface, free from irregular surface changes. Provide a smooth transition between adjacent grades and new grades and shape to drain with the existing topography such that no water will pool around the areas.

3.03 DISPOSAL

A. Remove debris and all other deleterious material resulting from demolition operations and legally dispose of off the project site at an approved disposal site.

PART 4 - PAYMENT

A. Payment for work under this section shall be included in the Schedule of Items, under Pay

Item No. 02200.

SECTION 02221 – EXCAVATION AND EMBARKMENT

SECTION 02221

EXCAVATION AND EMBANKMENT

A. The work under this section consists of excavation and placement of excavated material, from within the project areas or from other sources. It includes excavation, embankment, and backfill construction required to shape and finish site grades as shown on the project drawings.

1.02 ARCHAEOLOGICAL SITE MONITORING:

A. Horseshoe Lake Picnic Area: Contractor must notify the COR at least twenty-four (24) hours prior to any ground disturbing activities at the site. No ground disturbing activities may occur without a Forest Service archaeologist on site.

B. Duck Pass Trailhead: Contractor must notify the COR at least twenty-four (24) hours prior to any ground disturbing activities at the site. No ground disturbing activities may occur without a Forest Service archaeologist on site.

2.01 MATERIALS:

A. Use materials meeting the requirement of the following sections:

1. Aggregate Base Course - Section 02232.

2. Rip Rap and Barrier Rocks - Section 02234.

2.02 BACKFILL MATERIALS, GENERAL:

A. Excavated material may be processed and used for backfilling if the Contractor can show compliance with the material specified herein to the satisfaction of the COR. If excavated material is not sufficient to meet requirements, Contractor shall import needed material.

B. Satisfactory soils shall be free of rock or gravel larger than 3 inches in any dimension, debris waste, frozen materials, vegetation, and other deleterious matter.

C. Remove rocks over 8 inches in maximum dimension, ice or frozen earth, muck, debris, and earth with high void content.

D. Remove rocks over 4 inches in maximum dimension for backfill placed within 12 inches of structural foundations.

2.03 BACKFILL MATRIALS, UTILITY TRENCHES:

A. Backfill material for electrical cable and all types of pipes, except ductile iron pipe and galvanized steel pipe, shall consist of soil, sand, or fine granular material free of ¾ inch or larger stones, and free of organic material.

B. Backfill material for all ductile iron or galvanized steel pipe shall consist of soil, sand, or rock smaller than two inches in the largest dimension and free of organic material. Frozen material will not be allowed.

C. Backfill material shall be trench-excavated material whenever it meets specification requirements.

D. Whenever material meeting the requirements for pipe zone backfill is not readily available from trench excavation, the Contractor will be required to import pipe zone material from a designated or approved source. The Contractor is responsible for any costs associated with importing additional fill material.

2.04 GRAVEL SUMP MATERIAL:

A. Sump material shall consist of rounded river gravel or crushed, free-draining material, meeting the following gradation, as determined by ASTM C 136 and ASTM C 117.

SPECIAL BEDDING GRADATION

Sieve Designation Square Openings Percentage by Weight Passing Sieve

1” 100

3/4” 90 – 100

1/2" 20 – 55

3/8” 0 – 15

No. 4 0 - 5

3.01 LOCATION, ALIGNMENT AND GRADE:

A. The locations of all features and structures to be staked out and grades established by the

Contractor.

B. All trench excavation shall conform, as near as possible, to the lines and grades illustrated on the project drawings.

3.02 EXCAVATION:

A. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earthwork operations.

B. Protect subgrades and foundation soils against freezing temperatures or frost. Provide protective insulating materials as necessary.

C. Provide erosion-control measures to prevent erosion or displacement of soils and discharge of soil-bearing water runoff or airborne dust to adjacent properties and walkways.

D. Prevent surface water and ground water from entering excavations, from ponding on prepared subgrades, and from flooding Project site and surrounding area.

E. Protect subgrades from softening, undermining, washout, and damage by rain or water accumulation.

F. Reroute surface water runoff away from excavated areas. Do not allow water to accumulate in excavations. Do not use excavated trenches as temporary drainage ditches.

G. Install a dewatering system to keep subgrades dry and convey ground water away from excavations. Maintain until dewatering is no longer required.

H. Design, furnish, install, monitor, and maintain excavation support and protection system capable of supporting excavation sidewalls and resisting soil and hydrostatic pressures and superimposed and construction loads.

I. The contractor shall meet State General Safety Orders and the provisions of the Occupational

Safety and Health Administration (OSHA) pertaining to excavation support and protection, including 29 CFR 1926 Subpart P.

J. Maintain the excavations to guard against and prevent injury to employees and the public.

Provide adequate shoring and bracing as required by OSHA and other local governing regulations.

K. Excavations left open at the end of the working day shall be fenced to protect the public.

3.03 FILL

A. Remove vegetation, topsoil, debris, unsatisfactory soil materials, obstructions, and deleterious materials from ground surface before placing fills.

B. Plow, scarify, bench, or break up sloped surfaces steeper than 1 vertical to 4 horizontal, so fill material will bond with existing material.

C. Place and compact fill material in layers to required elevations.

3.04 COMPACTION OF BACKFILLS AND FILLS

A. For sidewalks and other structures scarify and recompact the top 12 inches of existing subgrade and each layer of backfill or fill material to a minimum compaction of 95 percent.

B. For unpaved areas scarify and recompact the top 6 inches of the existing subgrade and each layer of backfill or fill material to a minimum compaction of 95 percent.

3.05 GRADING:

A. Uniformly grade areas to a smooth surface, free from irregular surface changes. Comply with compaction requirements and grade to cross sections, lines, and elevations indicated.

B. Provide a smooth transition between adjacent existing grades and new grades. Cut out soft spots, fill low spots, and trim high spots to comply with required surface tolerances.

C. Slope grades to direct water away from constructed structures to prevent ponding. Finish subgrades to required elevations within the following tolerances:

1. Lawn or Unpaved Areas: Plus or minus 1 inch.

2. Walks: Plus or minus 1 inch.

3. Pavements: Plus or minus 1/2 inch.

D. Finished slopes shall conform reasonably to the lines staked on the ground or shown on the

E. The finished slope shall be left in a roughened condition to facilitate the establishment of vegetative growth.

3.06 SUBBASE AND BASE COURSES:

A. Under pavements and walks, place subbase course on prepared subgrade and as follows:

1. Place base course material over subbase.

2. Compaction for subbase and base course shall be 95 percent of the maximum laboratory density obtained by the standard proctor test AASHTO T99 or ASTM D698. The in-place field density shall be determined by AASHTTO T238 or ASTM D2922.

3. Shape subbase and base to required crown elevations and cross-slope grades.

4. When thickness of compacted subbase or base course is 6 inches or less, place materials in a single layer.

5. When thickness of compacted subbase or base course exceeds 6 inches, place…