Attachment 1.pdf

USDA FOREST SERVICE PROJECT SPECIFICATIONS

GOLDEN TROUT CROSSING CAMPGROUNDS

TABLE OF CONTENTS

DIVISION 1 - GENERAL

SECTION 01010 - SUMMARY OF WORK

SECTION 01020 - DISPOSAL AND CLEANUP

SECTION 01026 - METHOD OF MEASUREMENT

SECTION 01041 - PROJECT COORDINATION

SECTION 01060-APPLICABLE CODES AND STANDARDS

SECTION 01300 - SHOP DRAWINGS AND SUBMITTALS

SECTION 01505 - MOBILIZATION

DIVISION 2 – SITE WORK

SECTION 02110 – SITE CLEARING

SECTION 02200 - EARTHWORK

SECTION 02274-WOODEN BARRIER POST

SECTION 02511 - AGGREGATE BASE

SECTION 02630 METAL PIPE CULVERT

SECTION 02705 – RIPRAP ROCK

DIVISION 3 – CONCRETE

SECTION 03300- CAST-IN-PLACE CONCRETE

SECTION 03320 – SOIL CEMENT

DIVISION 13 - EQUIPMENT

SECTION 10415- FEE STATION AND SITE RECREATION SIGNS

SECTION 10420-BEAR SAVER “BE” SERIES REFUSE AND RECYCLING

RECEPTACLES

SECTION 10425-CONCRETE TABLES AND FIRE RINGS

SECTION 13129 - INSTALLATION OF PERCAST CONCRETE TOILET

DIVISION 1 - GENERAL

SECTION 01010 - SUMMARY OF WORK

PART 1 – GENERAL

1.1-DESCRIPTION:

Work shall consist of clearing, treatment of cut stumps, and excavation required for construction of access road and loop campground. The redesign of the entrance to reduce speed of vehicles entering and exiting the campground. In addition, work shall consist of construction for new accessible campground sites with harden access soil concrete paths to accessible toilet and platform for the new drinking water hand pump well. Excavation and backfill is required for the installation of 2 prefabricated CXT vault toilet buildings, one signal vault and one double vault.

The installation of twelve (12) fire rings and twelve (12) accessible concrete tables as shown on the drawings. Work also consists of grading and drainage improvements to the soil surface as to eliminate excess runoff, other incidental work includes base rock, and the installation of bear proof receptacles and fee tube. The installation of barriers that delineate campsites and travel routes, the replacement of existing signs with new and interpretive and educational ones. All work shall be done as indicated on drawing and specifications

1.2 - PROJECT LOCATION:

The project location is located at Golden Trout Crossing Campground on the Feather River

Ranger District in the Plumas National Forest. From Oroville, CA on Oro Dam Blvd head east to

Olive highway (CA-162) approximately 7 miles, turn right and continue on Forbestown Rd for

6.2 miles. Turn left on Cascade Rd/ Feather Falls approximately 12 miles. Take road 27 for about 11.5 miles. Turn right on road 24 keep going straight approximately 3.1 miles and you will arrive to Golden Trout Crossing Campground.

1.3 - GENERAL SITE CONDITIONS AND WEATHER

A- The elevation of the site is approximately 3,200 feet above mean sea level. The construction site typically experiences heavy rainfall and moderate temperatures between the moths of

November and April.

1.4 - CONTRACTOR USE OF PREMISES

A- The project is located in a remote site which does not have any security or surveillance. The contractor may store materials and equipment at the site at a location designated by the

Contracting Officer. The contractor is responsible for all security.

1.5 - WORK PROGRESS SCHEDULE

A-The Contractor shall submit a work schedule in compliance with Local Special Specification

Section G-Progress Schedule.

PART 2 - COORDINATION OF THE WORK

2.1 - LOCATION

A- This project is located within the Plumas National Forest Boundary which is a highly used outdoor recreation area, with public safety a major item of consideration.

PART 3 - USE OF GOVERNMENT FACILITIES

3.1 - CAMPING, STORAGE, AND SANITATION FACILITIES:

A- Camping shall be agreed to in writing by the Feather River Ranger District Ranger, before camping will be permitted on National Forest lands. No camping will be permitted in developed campgrounds when open to the public.

B- Request for equipment and materials storage areas must be approved in writing by

Contracting Officer prior to use.

C- Sanitation facilities, a minimum of 1 each, shall be provided and maintained at the

Contractor's expense. Facilities shall be Chemical or other approved type.

D- Safety and Health - All safety precautions will be in accordance with the California

Construction Safety orders, U.S. Occupational Safety and Health Regulations. See Part C, Section C15, Clause 52-236-07 Permits and Responsibility.

E- Construction Limits and Storage Areas - The project is within a developed recreation site and it is extremely important to preserve the natural conditions of the area. The Contractor shall confine all operations to the staked limits of the work or areas established by the Government.

The Contractor shall be required to restore all disturbed areas to their natural conditions. Storage and maintenance of equipment shall be confined to the equipment yard.

F- Products - Brand names or approval equals. Throughout these specifications, brand name or equal are listed. Section C13, Clause 52.236-05 Material and Workmanship will apply to each and every such reference.

PART 4 - MEASUREMENT AND PAYMENT

4.1- This item is considered incidental to other items of construction and no separate measurement and payment shall be made.

END OF SECTION

DIVISION 1 – GENERAL

SECTION 01020 - DISPOSAL AND CLEANUP

PART 1 - GENERAL

1.1 - SCOPE

A-This section shall include the requirements covering the disposal of containers and materials resulting from the construction operations and the cleanup work required in areas effected by the construction.

1.2 - RELATED SECTIONS

All sections included herein.

PART 2 - PRODUCTS

Not applicable

PART 3 - EXECUTION

3.1- REMOVAL AND CLEANUP

A- All material containers developed during construction shall be promptly removed by the

Contractor.

B- During the surface preparation or application of materials, existing improvements shall be protected from cleaning solvent, overspray, etc. The Contractor shall take immediate action to correct any damage or to do any cleaning necessary as a result of the Contractor's operation.

C- Objectionable materials developed during the construction operations shall be removed daily from the construction site by the Contractor or as agreed with contracting officer.

D- All excess and waste materials shall be removed to the disposal site.

E- All above mentioned materials shall be promptly removed from Government property by the

Contractor as a part of this contract and shall become the property of the Contractor.

PART 4 - MEASUREMENT AND PAYMENT

SECTION 01026 - METHOD OF MEASUREMENT

PART 1 - GENERAL

1.1 - DESCRIPTION

A-This section defines the terms associated with the method of measurement for determining final payment under the terms of the contract.

PART 2 - PRODUCTS

Not Applicable

PART 3 - EXECUTION

Not Applicable

PART 4 - MEASUREMENT AND PAYMENT

4.1- The following methods of measurement for determining final payment is designated on the

Schedule of Items for each pay item:

A- Designed Quantities (DQ) - These quantities denote the final number or units to be paid for under the terms of the contract. They are based on 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.

B- Actual Quantities (AQ) - These quantities are determined from measurements of completed work.

C- Acre (Acre) - One acre is defined as 43,560 square feet per acre. This method of measurement is computed by taking a horizontal measurement of the square footage and dividing by average square foot per unit.

D- Lump Sum Quantities (LSQ) - This quantity denotes one complete unit of work as required by or described in the contract, including necessary materials, equipment and labor to complete the job.

E- Each (EA) - This method of measurement denotes one complete unit of work which may consist of one or more parts.

F- Linear Foot (LF) - This method of measurement denotes actual linear measurement of work along the centerline.

G- Cubic Yard (CY) - This method of measurement computed by the average end area method from measurements made longitudinally along a centerline or reference line.

H- Ton (ton) - One ton consisting of 2,000 pounds. Net certified scale weights or weights based on certified volumes will be used as a basis of measurement.

I- Square Yards (SY) – This method of measurement is for an area measured on a plane parallel to the surface being measured. For pavement structure courses, measure the length horizontally along the centerline of each roadway, aproach road, or ramp.

END SECTION

GOLDEN TROUT CROSSING CAMPGROUND

DIVISON 1 - GENERAL

SECTION 01041 - PROJECT COORDINATION

PART 1 – GENERAL

1.1 - DESCRIPTION

This Section specifies administrative and supervisory requirements necessary for project coordination including, but not necessarily limited to:

A- Coordination

B- Contractor’s personnel

C- General installation provisions

D- Cleaning and protection

1.2 - COORDINATION

A- Contractor shall coordinate construction activities included under various sections of the specifications to assure efficient and orderly installation, connection and operation of each part of the work.

B- Schedule construction activities in the sequence required where installation of one part of the work is dependent on installation of other components, either before or after its own installation.

C- Where availability of space is limited, coordinate installation of different components to assure maximum accessibility for required maintenance, service and repair.

D- Make adequate provisions to accommodate items scheduled for later installation.

1.3 - OPERATIONS SCHEDULE

A- Prepare and submit Operations Schedule outlining the coordination for installation of products or materials fabricated off-site and documenting utilization of limited space for efficient installation of different components.

B- Operations Schedule shall indicate required installation sequences and comply with requirements contained in Section 01300

C- Operations Schedule shall outline submittals of each individual section where submittals for products are required.

PART 2 - PRODUCTS

Not Applicable

PART 3 - EXECUTION

3.1 - GENERAL INSTALLATION PROVISIONS

A- Inspection of Conditions - Require the installer of each major component to inspect both the substrate and conditions under which work is to be performed. Do not proceed until unsatisfactory conditions have been corrected in an acceptable manner. Obtain satisfactory test results for compactive efforts required by individual specifications.

B- Manufacturer’s Instructions - Comply with manufacturer's installation instructions and recommendations, to the extent that those instructions and recommendations are more explicit or stringent than requirements contained in contract documents.

C- Inspection of Materials - Inspect materials or equipment immediately upon delivery and again prior to installation. Reject damaged and defective items.

D- Execution of Work - Provide attachments, connection devices and methods necessary for securing work. Secure work true to line, plumb and level.

E- Visual Effects - Provide uniform joint widths in exposed work. Arrange joints in exposed work to obtain the best visual effect. Refer questionable choices to the Contracting Officer for final decision.

F- Measurements - Recheck measurements and dimensions, before beginning each installation.

3.2 - Cleaning and Protection

A- Apply protective covering where required to ensure protection from damage or deterioration.

B- Frequently clean and maintain completed construction areas through the remainder of the construction period. Adjust and lubricate operable components to ensure operability without damaging effects.

PART 4 - MEASUREMENT AND PAYMENT

SECTION 01060-APPLICABLE CODES AND STANDARDS

PART 1 – GENERAL

1.1 - DESCRIPTION

A- This section describes the Applicable Codes and Standards that apply to the work in this contract.

1.2. REGULATORY REQUIREMENTS

A- All laws, ordinances, codes and regulations of the United States Government shall apply and be implemented into this contract.

B- The following codes and standards shall apply to the work in this contract. Where no date is specified, the applicable edition shall be the one in effect on the date of solicitation.

-American Society for Testing Materials (ASTM)

-Forest Service Handbook 6709.11, Health and Safety Code Handbook

-ACI 301 Structural Concrete for Buildings.

-American Association of State Highway and Transportation Officals (AASHTO)

-Manufacturer's Instructions

-As required by the applicable listing or testing agency

-American Water Works Association AWWA Standards

1.3 - CODES AND STANDARDS

A- Standards and practices set forth by the references mentioned elsewhere in these specifications shall be adhered to unless otherwise noted.

1.4 - DUTIES OF THE CONTRACTOR

A- Responsibilities - It is the duty of the Contractor to complete the work covered by this contract in accordance with the approved plans, shop drawings and specifications.

B- Performance of Work - The Contractor shall carefully study the approved plans and specifications and shall coordinate the schedule of operations well ahead of time. If at any time it is discovered the work is being done which is not in accordance with the approved plans, shop drawings and specifications, the Contractor shall correct the work immediately.

All inconsistencies or items which appear to be in error in the contract documents shall be promptly called to the attention of the Contracting Officer. Local conditions which may affect the structure shall likewise be brought to the attention of the Contracting Officer at once. In no case, however, shall the instruction of the Contracting Officer be construed to cause work to be done which is not in conformity with the approved plans, shop drawings, specifications or modifications.

C- The Contractor shall not carry on work except with the knowledge of the Contracting Officer.

D- Where so indicated or in lieu of drawing or specification requirements, materials shall be used and installed in the best quality manner and method recommended by the manufacturer. Such recommendation shall be in written form. Substitution of materials may be considered and a

Contract Modification shall be approved by signature of the Contracting Officer prior to use or fabrication of any substitute materials.

Subcontractors engaged to do work on the project must be approved by the Contracting Officer.

1.5 - GENERAL INSTALLATION PROVISIONS

A- Inspection of Conditions - Require the installer of each major component to inspect both the substrate and conditions under which work is to be performed. Contractor shall not proceed until unsatisfactory conditions have been corrected in an acceptable manner.

B- Manufacturer's Instructions - Comply with manufacturer's installation instructions and recommendations, to the extent that those instructions and recommendations are more explicit or stringent than requirements contained in contract documents.

C- Inspection of Materials - Inspect materials or equipment immediately upon delivery and again prior to installation. Reject damaged and defective items.

PART 2 - PRODUCTS

2.1 - PRODUCTS AND MATERIALS

A- All products and materials in the work shall meet the standards and requirements of the codes and standards referenced in PART 1 - GENERAL of this Section and elsewhere herein unless otherwise shown on the drawings. The more stringent requirements shall take precedence over the codes and standards.

2.2 - USE OF MATERIALS

A- All materials, unless specified otherwise, shall be handled, stored, installed and maintained in accordance with the manufacturer's instructions and recommendations.

PART 3 - EXECUTION

3.1 - WORK REQUIREMENTS

A- All work shall be performed in a workman like manner according to the best practices and standards of the industry or trade.

PART 4 - MEASUREMENT AND PAYMENT

SECTION 01300 - SHOP DRAWINGS AND SUBMITTALS

PART 1 - GENERAL

1.1 - DESCRIPTION

A- Contractor shall perform all work necessary and required for the construction of the project as indicated. Such work includes but is not limited to the following: Shop Drawings, Samples and Catalog Data.

1.2 - SUBMITTALS

A- Submittals shall include all pertinent data required to understand the quality of components, dimensional relationships, integration with other materials, assembly techniques, structural aspects, color, finish, texture and other such characteristics as may be necessary to fully describe the item and its intended use.

B- Literature and shop drawings must be clearly marked or otherwise designated to show that the features are in compliance with the plans and specifications. These markings include colors, standards, types, exact model, size, etc. and must represent the exact item the contractor proposes to use.

PART 2 - PRODUCTS

Not Applicable

PART 3 - EXECUTION

3.1 - SUBMITTALS

A- Submittals and shop drawings shall be submitted in a timely fashion to allow fourteen (14) days for review by the Government. No work shall begin until shop drawings and submittals are approved by the Contracting Officer.

3.2 - SHOP DRAWINGS

A- Original Submittal - Four (4) copies of all shop drawings shall be submitted for approval as required under 3.1 above prior to fabrication, installation or order placement to allow for checking and coordination.

B- Resubmittal - When a resubmittal is required, one print, so indicating, will be returned to the

Contractor. After revision of the original, four (4) copies shall be submitted for approval.

C- Approval - Once approved, stamped documents shall be returned to the Contractor and shall be complied with as noted. Variation from the approved documents shall be likewise submitted and approved before being carried out.

3.3 - SAMPLES

A- Original Submittal – Two(2) samples of each item for which samples are required, unless otherwise specified, shall be furnished for approval. Approval shall be obtained prior to delivery of the material to the project site. These samples shall be representative of the actual material proposed for use in the project and of sufficient size to demonstrate design, color, texture and finish as they will appear in the completed installation.

B- Resubmittals - All rejected samples will be returned upon request and any or all resubmittals required shall consist of two new samples.

C- Approval - Upon approval, one sample, so noted, will be returned and the remainder will be retained by the Contracting Officer until completion of the work. When requested, all approved samples will be returned for installation providing identity is maintained in an approved manner until final acceptance of the project.

3.4 - CATALOG DATA

A- Submittals – Four (4) copies of catalog data are required for the original submittal and each resubmittal. Catalog data shall be submitted along with shop drawings. One(1) copy will be returned unless additional copies are requested.

B- Data - Each submittal shall have all pertinent data contained therein that is applicable to the item submitted for approval.

3.5 - IDENTIFICATION

A- Catalog Data - Each separate catalog brochure or page submitted shall have the identification shown. Catalog of brochures submitted containing multiple items for approval need have only cover identification. In such cases the identification shall include page and catalog item numbers.

B- In the event one(1) or more of the multiple items are not approved in any submittal, the additional copies required will not be requested until all items are approved.

3.6 - AS-BUILT PLANS

A- The Contractor shall submit to the Contracting Officer two (2) sets of "As Built" plans and specifications upon completion of the contract. These shall include actual dimensions, manufacturer's literature for all appliances/fixtures installed and copies of all engineered designs.

These items shall be bound in a notebook form and shall be broken into sections: The notebook shall have an index in the front to easily locate product information.

4.1- This item is considered incidental to other sections. No separate measurement or payment shall be made.

END OF SPECIFICATION - 01300

SECTION 01505 - MOBILIZATION

PART 1 - GENERAL

1.1 - DESCRIPTION

A- This section consists of preparatory work, bonding 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 or that cause costs to be incurred prior to beginning work on the various items on the project site.

PART 2 - PRODUCTS

Not Applicable

PART 3 - EXECUTION

4.1- The accepted quantities will be paid for at the contract unit price for item 01505

Mobilization.

A- Progress payments will be made as follows:

B- The Government will pay to the Contractor in the first progress payment the total premium paid by the Contractor to obtain bonds. This payment shall not be in addition to the contract price and will be included in Item 01505 - Mobilization.

C- When five percent (5%)or more of the original contract amount is earned from other pay items, fifty percent (50%)of the amount for mobilization, or five percent (5%)of the original contract amount, whichever is less, will be paid.

D- When ten percent 10% or more of the original contract amount is earned from other pay items, onehoundred percent (100%) of the amount for mobilization, or ten percent (10%)of the original contract amount, whichever is less, will be paid.

E- Upon completion of all work on the project, any unpaid amount for Item 01505 (01) -

Mobilization, will be paid.

F- The total of all payments will not exceed the original contract amount for item

01505(01), Mobilization.

Pay Item Pay Unit

01505(01) Mobilization Lump Sum

DIVISION 2 – SITE WORK

SECTION 02110 – SITE CLEARING

PART 1 – GENERAL

1.1 – SCOPE

A. This section consists of providing all necessary materials, equipment and labor to perform site preparation work as shown on the drawings and specified herein. The work includes:

1 Protection of existing trees and vegetation

2 Removal of specified trees around campground

3 Limb existing trees

4 Treatment of Stumps – Application of Trade Name “Sporax”

B. Related Sections

Section 02200 – Earthwork

1.2 – PROJECT CONDITIONS

A. Protection of existing Trees and Vegetation: Protect existing trees and other vegetation indicated to remain in place, against unnecessary cutting, breaking or skinning of roots, skinning or bruising of bark, smothering of trees by stockpiling construction materials or excavated materials within the clearing limits. Provide temporary guards to protect trees and vegetation to be left standing.

B. Provide protection for roots over 1-1/2 inch diameter that is damaged during construction operations. Coat cut faces with emulsified asphalt, or other acceptable coating, formulated for use on damaged plant tissues. Temporarily cover exposed roots with wet burlap to prevent roots from drying out; cover with earth as soon as possible.

C. Repair or replace trees and vegetation indicated to remain that are damaged by construction operations, in a manner acceptable to Contracting Officer.

PART 2 – PRODUCTS

PART 3 – EXECUTION

3.1- SITE CLEARING:

A. General: Haul off site all trees, shrubs, grass and other vegetation, improvements, or obstructions as required to permit installation of new construction. Trees large enough to be used as barrier, six (6”) inches shall be cut to length and stock pile for placement as shown on the drawings. Transport similar items elsewhere on site or premises as specifically indicated. All material may be temporarily piled, but shall be removed by the contractor at the request of the

Contracting Officer within 48 hours.

B. Cut minor roots and branches of trees indicated to remain in a clean and careful manner, where such roots and branches obstruct installation of new construction.

C. Topsoil: Topsoil is defined as friable clay loam surface soil found in a depth of not less than four (4) inches. Satisfactory topsoil is reasonably free of subsoil, clay lumps, stones, and other objects over two (2) inches in diameter, and without weeds, roots, and other objectionable material.

1 Remove heavy growths of grass from areas.

2 Where existing trees are indicated to remain, leave existing topsoil in place within the clearing limits to prevent damage to root system.

D. Clearing and Grubbing: Clear site of trees, shrubs, and other vegetation, except for those indicated to be left standing.

1. Completely remove stumps, roots, and other debris protruding through ground surface.

2. Use only hand methods for grubbing inside drip line of trees indicated to remain.

3. Fill depressions caused by clearing and grubbing operations with satisfactory soil material, unless further excavation or earthwork is indicated.

E. Place fill material in horizontal layers not exceeding six (6) inches loose depth, and thoroughly compact to a density equal to adjacent original ground.

3.2 Disposal Of Waste Materials

A. Haul all clearing slash and stumps off site.

4.1 Treatment of Stumps – Application of Trade Name “Sporax”

A. Application of “Sporax” shall be completed as to manufactures requirement or equal. Sporax is manufactured by Wilbur-Ellis Company, P.O. Box 16458, Fresno, California 93755.

B. Contractor shall conform to all state and county codes for treatment of stumps.

C. Contractor shall treat stumps of all live trees equal to or greater than two (2) inches stump diameter, (measured inside bark) unless otherwise agreed in writing by Contracting Officer.

Treatment shall be with a borate “Sporax” compound registered by EPA in the State of

California for prevention of annosus root disease.

1. Contractor shall consist of removal of sawdust and other loose debris from cut surface of the stump and application of a thin layer of the borate “Sporax” compound uniformily over the entire cut surface, at the rate specified on the product label. Any surface irregularities on the stump preventing application of the uniform layer of borate “Sporax” compound shall be cut level prior to treatment. Contractor shall apply an approved colorant mixed with the borate “Sporax” compound to insure complete coverage or unless is approved by Contracting Officer writing.

2. Contractor shall complete treatment as soon as possible, but shall completed no later than 6 hours after felling, otherwise stumps shall be recut and treated.

3. Contractor shall provide the borate “Sporax” compound during heavy rain fall or when such precipitation rate is predicted within 24 hours of application to cause borate “Sporax” to be flushed off the stump and become ineffective, in that case treatment shall be applied.

Application shall be completed within 24 hours of the precipitation having ceased. Borate

“Sporax” compound also shall not be applied to stumps located within 100 feet of live stream course and meadows/wetlands as shown on the drawings and or 100 feet of sensitive plant location boundaries as flagged on the ground.

4. Contractor shall provide the borate “Sporax” compound and colorant and apply it in compliance with the State of California laws and regulations pertaining to pesticides and pest control operations.

5. Contractor storage of borate “Sporax” shall be located such that any spillage will not contaminate water. All spills shall be promptly cleaned up and spilled material disposed of according to the product label. All spills occurring in water shall be reported to Contracting

Officer within 1 hour.

6. Contractor shall submit at the end of each month a “Monthly Summary of Pesticide Use

Reports “ or “Production Agriculture Monthly Pesticide Use Report: Multiple Section – form number PR-ENF-184” to the appropriate County Agricultural Commissioner and a copy to the

Contracting Officer.

7. Contractor shall conform to all safety, storage and disposal requirements for borate “Sporax” as stated in manufactures MDS sheet. MDS sheet and design mixer shall be submitted to

Contracting Officer for approval.

PART 4 – MEASUREMENT AND PAYMENT

4.1 - MEASUREMENT

Measurement will be to the unit of measure as shown in the Schedule of Items.

4.2 - PAYMENT

Payment will be made at the contract unit price, as designated in the Schedule of Items.

Pay Item Description Pay Unit

02110(01) Clearing Lump Sum

DIVISION 2 - SITE WORK

SECTION 02200 - EARTHWORK

PART 1 - GENERAL

1.1 - SCOPE

A. This section consists of providing all earthwork and related work. Earthwork shall include but not be limited to the following:

1. Excavation to levels and lines required for foundation and other subgrade work.

2. Fill and backfill to grades indicated.

3. Removal of unsuitable subgrade material and replacement with acceptable material, including hauling.

4. Compaction.

5. Rough and finish grading to levels and lines indicated.

6. Finish grading.

7. Excavation for installation of vault restroom as SHOWN ON THE DRAWINGS.

B. RELATED SECTIONS

All included sections

1.2 - VERIFICATION OF CONDITIONS

A. The Contractor shall, prior to beginning work, examine the existing conditions as to the nature and location of the work, the formation of the ground, the nature of subsoil conditions, groundwater conditions, nature and extent of materials or existing improvements to be encountered and any and all determinable matters that can affect the work.

1.3 – DEFINITION

A. Excavation consists of removal of material encountered to subgrade elevation indicated and subsequent disposal of materials removed.

B. Unauthorized excavation consists of removal of materials beyond indicated subgrade elevations or dimensions without specific direction of the Contracting Officer.

C. Additional Excavation: When excavation has reached the required subgrade elevations, Contractor shall notify Contracting Officer, who will make an inspection of conditions. If

Contracting Officer determines that the bearing material and required subgrade elevations are unsuitable, excavation shall continue until suitable bearing materials is encountered and all excavated material will be replaced as directed by Contracting Officer.

PART 2 - PRODUCTS

2.1 - BACKFILL

A. General: All fill material shall be approved by the Contracting Officer. Excavated materials from the site may be used if approved. Imported fill shall be nonexpansive and predominantly granular soil or soil rock mixture which is free from organic matter and deleterious substances and which does not contain materials over two inches in greatest dimension.

B. Native backfill, where designated, shall be excavated native material replaced as is.

3.1 - EXCAVATION

A. Contractor shall verify all actual site conditions, levels and grades prior to beginning work and inform the Contracting Officer as to any discrepancies that exist.

3.2 - EXCAVATION AND DISPOSAL

A. General excavation shall be made to dimensions and elevations indicated or implied on the drawings. Excavation for concrete sections to be formed shall be sufficient in width to allow for convenient construction and removal of forms.

B. All material to be excavated shall be unclassified and included in earth fills, gravels, boulders, debris and any other materials encountered in excavation and grading operations. The contractor shall remove all materials to the depth and extent indicated on the drawings or specified herein.

C. Unsuitable material not having the required bearing capacity or that has been disturbed or weakened by construction activity shall be completely removed and replaced with compacted backfill material or concrete to the required levels. The unsuitable material removed shall be disposed of as directed by the Contracting Officer

D. All excavated material shall be utilized as needed in embankments (fills) prior to the

Contractor removing material from the borrow source.

3.3 - BACKFILL AND COMPACTION

A. General: The contractor shall backfill excavation as promptly as work permits, but not until the completion of the following:

B. Backfilling against foundation walls shall not be started until conditions have been inspected and approved by the Contracting Officer. No backfill shall be placed until the foundation walls have cured sufficiently to develop the strength necessary to withstand, undamaged, the pressure that will result from backfilling and compaction operations.

C. Where self-propelled or power mechanical compaction is used, the uncompacted thickness of each lift of structural backfill shall be not more than 12 inches loose depth. Where hand-operated mechanical compaction is used, the structural backfill shall be placed in layers not more than 4 inches loose depth.

D. Rollers shall not be operated within two feet of structural walls unless otherwise approved by the Contracting Officer. Care shall be exercised in placing backfill.

E. Fill material shall be placed and compacted at a moisture content suitable for compaction.

No fill material shall be placed when free water is standing on the surface of the area where the fill is to be placed and no compaction of fill will be permitted with free water on any point of the surface of the fill to be compacted. Any fill containing organic materials or other unacceptable material previously described shall be removed and replaced with approved fill material prior to compaction.

F. Unless otherwise specified, all backfill not accessible to roller compaction shall be compacted by power tampers or vibratory compactors or other approved means to the same degree of compaction specified for roller compaction.

G. In areas where field density test results indicate less than the required degree of compaction, or in areas where previously accepted compaction has been disturbed, the backfill shall be replaced and compacted to obtain the required results at no additional cost to the Government.

H. If in the process of fulfilling the backfill requirements of the specification, a deficit of material results, the Contractor shall import and place suitable materials as specified elsewhere herein.

3.4 - PLACEMENT AND COMPACTION FOR STRUCTURES

A. Place backfill and fill materials in layers not more than 12 inches in loose depth for material compacted by heavy compaction equipment, and not more than 4 inches in loose depth for material compacted by hand-operated tampers.

B. Before compaction, moisten or aerate each layer as necessary to provide optimum moisture content. Compact each layer to required percentage of maximum dry density or relative dry density for each area material classification. Do not place backfill or fill material on surfaces that are muddy, frozen, or contain frost or ice

C. Place backfill and fill materials evenly adjacent to structure required elevations. Prevent wedging action of backfill against structure by carrying material uniformly around structure approximately same elevation in each lift.

D. Control soil and fill compaction, providing minimum percentage of density specified for each area classification indicated below. Correct improperly compacted areas or lifts as directed by

Contracting Officer if soil density tests indicate inadequate compaction.

1. Percentage of Maximum Density Requirements: Compact soil to not less than the following percentages of maximum density, in accordance with AASHTO T-180:

a. Under aggregate compact top subgrade and each layer of backfill or fill material to at least

95% percent maximum density.

b. Under walkways, compact top six (6) inches of subgrade and each layer of backfill or fill material to at least 95% percent maximum density.

2. Moisture Control: Where subgrade or layer of soil material must be moisture conditioned before compaction, uniformly apply and mixing water to the subgrade or layer of soil material.

Apply water in minimum quantities as necessary to prevent free water from appearing on surface during or subsequent to compaction operations. Material shall be uniformally moistened before compaction.

3.5 - EMBANKMENT AND BORROW PLACEMENT

A. Embankment shall be layered placed, except over rock surfaces, in which case material may be placed by end dumping to the minimum depth needed for operation of spreading equipment.

Each embankment layer shall be leveled and compacted before placement of subsequent layers.

Hauling and spreading equipment shall be operated uniformly over the full width of each layer.

B. Earth embankment shall be placed in horizontal layers not exceeding six(6) inches loose material and compacted. Material shall be at a moisture content suitable for attaining the required compaction. Embankments subgrade and the top one (1) foot of excavation sections shall be compacted to at least ninty five percent (95%) of the maximum density as determined by

AASHTO T-180, Method C. Where material containing large amount of rock is used to construct embankments, the layers may be of sufficient thickness to accommodate the material involved. A solid embankment with adequate compaction shall be constructed by working smaller rock and fines in with larger rocks to fill the voids. Contractor shall operate hauling and spreading equipment uniformly over the fill width of each layer as the embankment material will be determined during the progress of the work in accordance with T-191, T-205, and T-217; or

T-238, and T-239.

3.6 - STORAGE OF EXCAVATED MATERIAL

A. Stockpile excavated materials acceptable for backfill and fill where directed. Place, grade, and shape stockpiles for proper drainage.

3.7 - EXCAVATION FOR STRUCTURES

A. Conform to dimensions and elevations shown within a tolerance of plus or minus 0.10 foot, and extending a sufficient distance from footings and foundations to permit placing and removal of concrete formwork, installation of services, and other construction and for inspection.

3.8 - GRADING

A. General: Uniformly grade areas within limits of grading under this section, including adjacent transition areas and excavated and filled areas. Smooth finished surface within specified tolerances and compact with uniform levels or slopes between points where elevations are indicated or between such points and existing grades.

B. Soil Cement: Shape surface of areas under soil cement to line, grade, and cross-section, with finish surface not more than 1/2 inch above or below required subgrade elevation. Finished surfaces and surfaces to receive soil cement and aggregate base shall be reasonably smooth, compacted and free from surface irregularities that would affect drainage.

C. Grading Surface of Fill Under Building Slabs: Grade smooth and even, free of voids, compacted as specified, and to required elevation. Provide final grades within a tolerance of 1/2 inch when tested with a ten (10)-foot straightedge.

D. Compaction: After grading, compact subgrade surfaces to the depth and indicated percentage of maximum or relative density for each area classification.

PART 4 - MEASUREMENT AND PAYMENT

4.1 - MEASUREMENT

Measurement will be to the unit of measure as shown in the Schedule of Items.

4.2 - PAYMENT

Payment will be made at the contract unit price, as designated in the Schedule of Items.

02200(01) Earthwork: Lump Sum

SECTION 02274-WOODEN BARRIER POST

PART 1 – GENRAL

1.1 DESCRIPTION

A. This work shall consist of furnishing all materials, labor, and equipment to construct site protection barriers outlining the campground as SHOWN ON DRAWINGS.

1.2 RELATED WORK

A. Section 01300 – Shop Drawings and Submittals B. Section 02200 - Earthwork C. All other related sections

1.3 QUALITY ASSURANCE

A. Identify wood by grade mark of a recognized association or agency, or provide certification for unmarked wood.

B. Store materials off ground under protective covering.

1.4 SUBMITTALS

A. Manufacturers Certification of treatment.

B. Submit manufacture’s data and installation instruction for processed wood treatment as specified in Division 1 Section “Submittal Procedures.”

PART 2 – PRODUCTS

2.1 WOODEN BARRIER POSTS

A. Barrier Posts shall be new 8” x 8” No.2 Douglas Fir/Hem Fir.

B. All wood shall be pressure treated with ACQ (Alkaline Copper Quaternary) to a net retention of 0.40 lbs. per cu. ft. or approved equal. Treatment shall be “brown” in color. Timber shall be straight and true, without damaged edges. Pieces that are wraped will be rejected, and replaced at Contractor’s expense.

C. All field cuts, abrasions, and holes made in fabricated timbers after treatment shall be given three (3) brush coats 2% Copper Napthanate colored with a manufacturers approved tint to closely match the color of the pressure treated wood.

Part 3 – EXECUTION

3.1 POSTS

A. Excavation holes to depth as shown on the drawings. Set posts true to horizontal and vertical alignment. Place suitable native backfill in layers not exceeding six (6) inches and thoroughly hand tamp each layer.

B. Posts shall be placed in uniform spacing as shown on the drawings.

PART 4 – MEASURMENT AND PAYMENT

4.1. WOODEN BARRIER POSTS

A. Measurement will be for the complete installation of wooden barrier posts as shown on the drawings.

4.2 PAYMENT

A. Payment will be made at the contract unit price, as designated in the Schedule of Items.

02274(01) Install Wooden Barrier Posts EACH

END SECTION 02274

SECTION 02511 - AGGREGATE BASE

PART 1 - GENERAL

1.1 - DESCRIPTION

This section consists of providing all necessary materials, equipment and labor to apply aggregate base at the locations as SHOWN ON THE DRAWINGS.

1.2 - RELATED SECTIONS

Section 02200 - Earthwork

PART 2 - PRODUCTS

2.1 - AGGREGATE BASE

Aggregate shall consist of crushed stone or crushed gravel, combined with a filler of fine mineral matter. The combined aggregate shall conform to the gradation shown below. Aggregate shall be free of clay, vegetative matter or other deleterious substance. Contractor shall submit a certification statement from the commercial source that aggregate meets the grading requirements stated below.

Percentage by Weight

(AASHTO T 11 & T 22)

Sieve Size Passing Sieve

2 inch -

1 ½ inch -

1 inch 100

¾ inch 90-100

No. 4 35-60

No. 30 10-30

No. 200 2-9

When combined within the specified grading limits, the mineral aggregate shall conform to the following quality requirements:

-RESISTANCE (R-VALUE), AASHTO T 190 78 MINIMUM

-Sand Equivalent, AASHTO T 17630 Minimum

-Durability Index, Coarse and

-Fine, AASHTO T 21035 Minimum

3.1 - PLACING AND SPREADING AGGREGATE BASE

The aggregate base shall be placed and compacted on a prepared subgrade to the required grade and cross-section as SHOWN ON THE DRAWINGS. Aggregate base shall be placed in such a manner as to prevent segregation.

3.2 – COMPACTION

All lifts shall be compacted to 90 % percent of the maximum density as determined by AASHTO

T-180, Method C.

The top six (6) inches shall be compacted to at least 95% percent of the maximum density as determined by AASHTO T-180, Method C.

PART 4 - MEASUREMENT AND PAYMENT

4.1 MEASUREMENT

A. Measurement will be at cubic yard basis for placement of harden soil-cement material in path way and campsite area.

4.2 PAYMENT

A. Payment will be made at the contract unit price as shown in the Schedule of Items.

02511 (01) Aggregate Base Cubic Yard

DIVISION 2 – SITEWORK

SECTION 02630 METAL PIPE CULVERT

PART 1 – GENERAL

1.1 - DESCRIPTION

This section consists of providing all necessary materials, equipment and labor to install metal pipe culvert as shown on the drawings.

1.2 – RELATED SECTIONS

Section 02200 – Earthwork

PART 2 - PRODUCTS

2.1 - Material

Metal pipe culvert and coupling band conform to AASHTO M 36 and AASHTO M 218, M 274, or M 289 for the dimensions and thickness specified.

PART 3 – CONSTRUCTION REQUIREMENTS

3.1 - General

Furnish culvert pipe with a wall thickness not less than as shown on the plans. The plans show the size, approximate location, and length of culverts. Determine final location, skew, length, elevations, and grade as required in the field. Do not order culvert material until the Contracting

Office has accepted the final structure size, length, and alignment.

3.2 - Laying Metal Pipe.

Lay pipe with outside laps of circumferential joints upgrade and longitudinal laps positioned other than in the invert. Place elongated pipes with major axis within 5 degrees of vertical. Join pipe sections together with soil tight bell and spigot joints or coupling bands according to

AASHTO M 36 or M 196. Limit the use of bell and spigot joints to slopes of 10 percent or less.

Limit the use of coupling bands with projections (dimples) to attaching prefabricated flared end sections.

When aluminum alloys come in contact with other metals, coat the contacting surfaces with asphalt mastic or a preapproved impregnated caulking compound.

3.3 – Backfill

Backfill shall be completed as specified under the Earthwork 02200. Backfill shall be in 6 inch layers and compacted to 95 %

PART 4 – MEASUREMENT AND PAYMENT

4.1 MEASUREMENT

A. Measurement will be at linear feet basis for placement of metal pipe culvert as shown on the drawings.

4.2 Payment

A. Payment will made at the contract unit price as shown on Schedule of Items.

02630 (01) 18” Metal Pipe Culvert Linear Feet

SECTION 02705 – RIPRAP ROCK

PART 1- GENERAL

1.1 - SCOPE

A. This work consists of furnishing all equipment and material for placing riprap rock for bank and slope protection ; also as to protect sensitive riparian areas.

B. Related Sections

Section 02200 – Earthwork

Section 02511 – Aggregate Base

Section 02774 – Wood Barrier Post

1.2 – PROJECT CONDITIONS

A. Protection of existing cutbank on stream: Riprap rock shall be placed in areas as shown on the drawings to protect access to stream, slope protection and resource damage.

B. Riprap rock shall be placed as shown on the drawings, to protect sensitive riparian areas or areas marked on the ground.

PART 2 – PRODUCT

2.1 - MATERIAL LOCATION

A. Material can be obtained at following location:

Ladd & Associates

Bangor, California

Contract Person: Bill Schoonmaker

(530) 945-0883

B. Riprap material:

Percentage by Weight

(AASHTO T 11 & T 22)

Class Mass pounds

3 110 - 220

4 220 - 550

5 770 - 1540

6 1100 - 1870

PART 3 – EXECUTION

3.1 – Placed Riprap

A. Placed riprap is rock placed on a prepared surface to form a well-graded mass. Placed riprap to its full thickness in one operation to avoid displacing the underlying material. Do not place riprap material by methods that cause segregation or damage to the prepare surface. Place or rearrange individual rocks by mechanical to obtain a reasonable spacing.

B. Key riprap rock in prepared surface and set into place by impact pressure. Set the riprap into place by exerting impact pressure with a hydraulic-powered bucket or an approximate 5000 pound flat faced mass. Repeater impacts should be made until the rock is firmly seated and forms a reasonably uniform surface.

C. Do not use impact pressure on riprap below the water surface.

PART 4- MEASUREMENT AND PAYMENT

4.1 Measurement

A. Measured by the ton

4.2 Payment

Description

02705 Riprap Ton

DIVISION 3 – CONCRETE

SECTION 03300- CAST-IN-PLACE CONCRETE

PART 1 – GENERAL

1.1- SUMMARY

A. This section specifies of furnishing all materials, labor, and equipment to construct footings for fee stations, site recreation information sign, refuse and recycling receptacle as SHOWN ON

DRAWINGS.

1.2- RELATED SECTIONS

A. Section 02200 - Earthwork

B. Section 03320 – Soil Cement

C. Section 10145 – Fee Station and Site Recreation Signs

1.3 -REFERENCES

A. ASTM C94 – Ready Mixed Concrete

B. ASTM C150 – Portland Cement

1.4 -QUALITY ASSURANCE

A. Acquire cement and aggregate from same source for all work.

B. Use only 1 brand of cement and admixtures unless otherwise approved in writing by

Contracting Officer.

C. Provide the Contracting Officer with delivery ticket in accordance with ASTM C94 for each load of concrete.

PART 2 – PRODUCTS

2.1 -MATERIALS

A. Cement.

1. Type I or Type II Portland Cement: ASTM C150. Use only 1 brand of cement.

2. For area with poor aggregate quality: Type II Portland Cement, ASTM C150. Use only 1 brand of cement.

3. Type III Portland Cement: ASTM C150. Contractor’s option under Cold Weather Concreting and Curing and Proportioning Concrete for Cold Weather can use Type III cement.

2.2- CONCRETE MATERIAL

A. Cement: ASTM C150, Type II - Portland type.

B. Fine and Coarse Aggregates: ASTM C33.

C. Water: Clean and not detrimental to concrete.

2.3- ADMIXTURES

A. Air Entrainment: ASTM C260.

B. Chemical: ASTM C494.

C. Fly Ash: ASTM C618.

2.4 -ACCESSORIES

A. Non-Shrink Grout: Premixed compound consisting of non-metallic aggregate, cement, water reducing and plasticizing agents; capable of developing minimum compressive strength of 2400 psi in 48 hours and 3,000 psi in 28 days.

2.5- CONCRETE MIX

A. Mix concrete in accordance with ACI 304. Deliver concrete in accordance with ASTM C94.

B. Select proportions for normal weight concrete in accordance with ACI 301 Method 2.

C. Provide concrete to the following criteria:

Unit Measurement

Compressive Strength (28 day) 3000 psi

Water/Cement Ratio (maximum) 0.45

Aggregate Size (maximum) 1 inch

Air Entrained 6 percent max.

Slump - Plus or minus 1 inch 3 inches

D. Use accelerating admixtures in cold weather only when approved by Contracting Officer.

Use of admixtures will not relax cold weather placement requirements.

E. Do not use calcium chloride.

F. Use set retarding admixtures during hot weather only when approved by Contracting Officer.

G. Add air entraining agent 4-6% to normal weight concrete mix for all concrete work.

PART 3- EXECUTION

3.1- PREPARATION

A. Prepare previously placed concrete by cleaning with steel brush and applying bonding agent in accordance with manufacturer's instructions.

B. Coordinate the placement of joint devices with erection of concrete formwork and placement of form accessories.

3.2 -PLACING CONCRETE

A. Place concrete in accordance with ACI 301.

B. Notify Contracting Officer a minimum of 24 hours prior to commencement of operations, including formwork, reinforcing and grading for inspection and approval.

C. Ensure reinforcement, inserts, and embedded parts are not disturbed during concrete placement.

D. Do not interrupt successive placement; do not permit cold joints to occur.

3.3- CONCRETE FINISHING

A. Provide formed concrete walls with smooth rubbed finish.

3.4 -CURING AND PROTECTION

A. Immediately after placement, protect concrete from premature drying, excessively hot or cold temperatures, and mechanical injury.

B. Maintain concrete with minimal moisture loss at relatively constant temperature for period necessary for…