Attachment 2 - SPECIFICATIONS.pdf

SOUTHWEST REGION 03

CORONADO NATIONAL FOREST

TANQUE VERDE RECREATION ENHANCEMENT PROJECT

PHASE II

SPECIFICATIONS

U.S. FOREST SERVICE

MARCH 2024

Table of Contents

DIVISION 1 - GENERAL REQUIREMENTS

SECTION 01010 SUMMARY OF WORK

SECTION 01030 NOXIOUS WEED CONTROL

SECTION 01101 ABBREVIATIONS

SECTION 01102 DEFINITIONS

SECTION 01103 MEASUREMENT AND PAYMENT

SECTION 01300 SUBMITTALS

SECTION 01601 MOBILIZATION

SECTION 01620 STORAGE AND PROTECTION

SECTION 01710 CLEANING

DIVISION 2 – SITE WORK

SECTION 02213 TRAILS & GRADED PADS

SECTION 02220 EXCAVATION AND BACKFILL FOR BUILDINGS/STRUCTURES

SECTION 02224 EXCAVATION, EMBANKMENT AND BACKFILL

SECTION 02232 AGGREGATE BASE COURSE

SECTION 02270 RIPRAP

SECTION 02512 CONCRETE SIDEWALKS/SLABS

DIVISION 3 – CONCRETE

SECTION 03100 CONCRETE FORMWORK

SECTION 03201 CONCRETE REINFORCEMENT

SECTION 03251 EXPANSION AND CONTRACTION JOINTS

SECTION 03301 CAST-IN-PLACE CONCRETE

SECTION 03345 CONCRETE FINISHING

DIVISION 5 – METALS

SECTION 05120 STRUCTURAL STEEL

DIVISION 13 – SPECIAL CONSTRUCTION

SECTION 13600 PICNIC TABLE

SECTION 13900 PRECAST CONCRETE VAULT BUILDING & INSTALLATION

DIVISION 1 - GENERAL REQUIREMENTS

SECTION 01010

SUMMARY OF WORK

PART 1 - GENERAL

1.1 – Location

This project is located in the Santa Catalina Ranger District of the Coronado National Forest approximately 23 miles East of Downtown Tucson, AZ. Coordinates to the project location are N 32°15'20.98" W 110°39'44.01".

1.2 – General

1. All work shall be completed in accordance with project specifications. The work includes all labor, material, and equipment necessary to perform all the operations for the work specified herein.

2. The purpose of this project is to install a new double vault toilet, sidewalk, pavilion, ramadas, picnic tables, and placing decomposed granite on pads and existing pathways.

The Contractor shall be responsible for any necessary site investigations, detailed and accurate material lists, and all field measurements necessary in order to complete the construction, placement.

1.3 – Description of Work

A. Work under this contract will be as follows:

a) Construction, supply and delivery of concrete vault toilet building.

b) Installation of sidewalk.

c) Installation of picnic tables

d) Installation of Pavilion and Ramadas.

e) Placing decomposed granite on existing pathways and pads as shown in the drawings.

1.4 – Examination of Sites

A. Bidders are encouraged to visit the sites, compare specifications with any work in place, and inform themselves of all conditions, including other work, if any, being performed. Failure to visit sites will in no way relieve the successful bidder from the necessity of furnishing any materials or performing any work that may be required to complete work in accordance specifications, without additional cost to the Government.

B. Information regarding the sites of the work provided in specifications is believed to be reasonably correct, but the Government does not warrant either the completeness or accuracy of such information, and it is the responsibility of the contractor to verify all information independently and to make other examinations of the conditions to be encountered during construction.

C. The contractor acknowledges that he/she has investigated and satisfied himself/herself as to the conditions affecting the work, including, but not restricted to, those bearing upon transportation, disposal, handling and storage of materials, availability of labor, water, electric power, roads, and conditions of the ground, the character of equipment and facilities needed prior to and during prosecution of the work. The contractor further acknowledges that he/she is satisfied as to the character, quality, and quantity of surface and subsurface materials or obstacles to be encountered insofar as this information is reasonably ascertainable from an inspection of the sites. Any failure by the contractor to acquaint himself/herself with the available information will not relieve him/her from the responsibility for estimating properly the difficulty or cost of successfully performing the work. The Government assumes no responsibility for any conclusions or interpretations made by the contractor based on the information made available by the Contracting Officer’s Representative.

D. Disturbance related to noise from construction equipment to potential breeding yellow-billed cuckoos in the action area will be avoided because work involving excavation, fill, or construction equipment such as backhoes or similar machines will not be implemented within the yellow-billed cuckoo breeding season of June 15th through September 30th.

1.5 – Timing of Work

Work under this contract is scheduled to begin October 1st of 2024. No restrictions are placed on weekend work.

1.6 – Government – Furnished Facilities

Staging area shall be approved by COR. Any damage resulting from the Contractor’s use of the sites will be repaired or replaced at the Contractor’s expense at the direction of the Contracting Officer’s Representative.

Electricity and water are not available. Cell phone operation is limited at all the sites.

All temporary services and use areas shall be completely removed and the areas restored upon completion of use. Transportation to and from the work site for the Contractor's personnel and materials will be provided at the Contractor's expense.

1.7 – Material Sources

A. All materials shall be obtained from commercial sources unless noted otherwise.

Materials referred to by trade name, make, or catalog number shall be regarded as establishing a standard of quality; substitutions of equal quality can be made by submitting a data sheet of the proposed substituted item to the Contracting Officer’s Representative, for approval.

1.8 – Clean up and Disposal

A. Waste accumulation in approved containers and material staging is allowed at the site. Disposal of waste material will be off National Forest Land and in compliance with local, state, and federal laws regarding disposal of construction waste. Before final acceptance of the project by the Government, the Contractor shall remove from Government land all waste materials and rubbish resulting from this work.

B. Clean excess excavated material shall be hauled to designated areas near the various sites.

1.9 – Precautionary Measures

A. Protection of Work: The Contractor shall take precautions to protect all work during the construction period. The Contractor shall provide and maintain adequate protection during the course of the work to ensure the public does not tamper with or vandalize any equipment or project work.

B. Safety: The Contractor is responsible for safeguarding employees, public, existing facilities, and forest resources from his/her operations. All operations shall comply with the requirements and restrictions of OSHA, the Arizona Occupational Safety and Health Code, and the Workman’s Compensation Board.

The Contractor shall erect signs and barricades to make unguarded operations safe as required. Signs and barricades shall be maintained at night and on weekends. Precautions such as safely storing materials shall be practiced to prevent injury to others in the area.

C. Security: Security is not provided by the Government. The Contractor shall take all precautions deemed necessary to secure the worksites, improvements and equipment. This may include security fencing at the Contractor’s discretion.

1.10 – Applicable Codes and Standards

All work shall conform to the latest editions of the American Welding Society Code, the American Institute of Steel Construction, the Forest Service Accessibility Guidelines, and all OSHA regulations. All environmental codes shall be adhered by the Contractor.

1.11 – Subsurface Soils and Investigations

No auger boring tests were made in the area. Under supervision of the Engineer, the Contractor shall undertake any site investigations necessary to ascertain subsurface conditions. Contractor should expect to hit rock in all locations.

END OF SPECIFICATION 01010

SECTION 01030

NOXIOUS WEED CONTROL

PART 1 - GENERAL

1.1 – Description

This work consists of incorporating weed prevention and control within the project site.

The Contractor shall prevent new weed infestations and the spread of existing weed infestations within the project site as specified herein.

PART 2 - PRODUCTS

None.

PART 3 - EXECUTION

3.1 – Equipment

The Contractor shall ensure all equipment brought onto the Forest is thoroughly washed/cleaned in order to remove all soil, vegetative matter, and other debris prior to entering the forest. Particular attention shall be given to the under carriage and any other surface where soil containing weed seed and propagules may exist. All equipment shall be inspected by the Forest Service. Only construction and maintenance equipment, and the equipment necessary to transport said equipment shall be allowed to operate within the project area after it has been cleaned by the Contractor and inspected by the Forest Service. All subsequent move-ins of equipment to the project area shall be treated in the same manner as the initial move-in.

The Contractor shall employ cleaning methods, approved by the Forest Service, to ensure that construction and maintenance equipment is free of noxious weeds. Equipment shall be considered free of soil, seed, and other such debris when a visual inspection does not disclose such material. Equipment or component disassembly, or the need for specialized tools, are not required.

Unless otherwise agreed, the Contractor shall give the Forest Service at least 24 hour notice when equipment is ready for inspection. Notification will include an agreed upon location where the equipment will be available for inspection by the Forest Service.

Inspection will be required after every cleaning.

3.2 – General Project Work

The Contractor shall minimize soil surface disturbance wherever possible.

New infestations of noxious weeds of concern to Forest Service and identified by either Contractor or Forest Service, on the project site or on haul routes the Contractor plans to use, shall be promptly reported to the other party. Contractor and Forest Service shall agree on treatment methods to reduce or prevent the spread of hazardous, invasive, and noxious plant species when new infestations are found. A current list of hazardous, invasive, and noxious plant species is available at each Forest Service office. A copy of this list as well as the Forest Service’s Best Management Practices will be submitted to the contractor.

A Noxious Weed Summary (“standards and guides”) will be submitted to the

Contractor by the Government providing information about hazardous, invasive, and noxious plant species that may be encountered at the project sites or haul roads.

PART 4 - MEASUREMENT AND PAYMENT

4.1 – Measurement

There will be no separate measurement of this item.

4.2 – Payment

This work is incidental to other items in the contract and direct separate payment will not be made.

END OF SPECIFICATION 01030

SECTION 01101

ABBREVIATIONS

Organizations & Standards

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 of specification shall mean the latest edition or amendment in effect on date of invitation to bid.

AASHTO--American Association of State Highway and Transportation Officials

ACI--American Concrete Institute

AISC--American Institute of Steel Construction

AISI--American Iron and Steel Institute

AITC--American Institute of Timber Construction

ANSI--American National Standards Institute

APA--American Plywood Association

API--American Petroleum Institute

ASME--American Society of Mechanical Engineers

ASTM--American Society for Testing and Material

ATCC--American Type Culture Collection

AWPA--American Wood Preservers Association

AWPB--American Wood Preservers Bureau

AWS--American Welding Society

AWWA--American Water Works Association

CFR--Code of Federal Regulations

CRSI--Concrete Reinforcing Steel Institute

CS--Commercial Standard issued by U.S. Department of Commerce

DEMA--Diesel Engine Manufacturers Association

EPA--Environmental Protection Agency

FAR--Federal Acquisition Regulation

FED SPEC. or FS-- Federal Specifications

FSS--Federal Specifications and Standards

GSA--General Services Administration

MIL--Military Specifications

MSHA--Mine Safety and Health Administration

MUTCD--Manual on Uniform Traffic Control Devices

NBFU--National Board of Fire Underwriters

NBS--National Bureau of Standards

NEMA--National Electrical Manufacturers Association

NESC--National Electrical Safety Code

NFPA--(Fire)--National Fire Protection Association

NFPA--(Forest)--National Forest Products Association

NSF--National Sanitation Foundation

NWMA--National Woodwork Manufacturers Association

OSHA--Occupational Safety and Health Administration

PCA--Portland Cement Association

PCI--Prestressed Concrete Institute

PS--Product Standard issued by the U.S. Department of Commerce

PTI--Post-Tensioning Institute

RIS-Redwood Inspection Service

SAE--Society of Automotive Engineers

SF--Standard Form

SSPC--Steel Structures Painting Council

UL--Underwriter's Laboratories, Inc.

USASI--United States of America Standards Institute

WCLIB--West Coast Lumber Inspection Bureau

WWPA--Western Wood Products Association

ABBREVIATIONS

Aluminum . . . . . . . . . . . . . . . . . .. AL.

Asphalt . . . . . . . . . . . . . . . . . .. ASP.

Barbed Wire . . . . . . . . . . . . . . . . . . B.W.

Bituminous Coated Corrugated Steel Pipe . . .. B.C.C.S.P. OR B.C.C.S. PIPE

Bituminous Surface Treatment BST Cement . . . . . . . . . . . . . . . . . . . . . CEMT.

Cement Treated . . . . . . . . . . . . . . .. CEMT.-T.

Cement Treated Base . . . . . . . . . . . .. CTB Clearing & Grubbing . . . . . . . . . . . .. CLEAR & GRUB Compaction . . . . . . . . . . . . . . . . . .. CMPCT.

Concrete . . . . . . . . . . . . . . . . . .. CONC.

Corrugated Metal Pipe . . . . . . . . . . . .. CMP Corrugated Steel Pipe . . . . . . . . . . . .. C.S.P.

Corrugated Steel Pipe Arch . . . . . . . . .. C.S.P. ARCH Cubic Yard . . . . . . . . . . . . . . . . . .. C.Y.

Cubic Yard Mile . . . . . . . . . . . . . . .. C.Y.MI.

Diameter . . . . . . . . . . . . . . . . . .. DIA.

Each . . . . . . . . . . . . . . . . . . . . .. EA.

Emulsified . . . . . . . . . . . . . . . . . .. EMLSFD.

Erosion and Pollution Control . . . . . . . . . E&P CONTROL Fabricated . . . . . . . . . . . . . . . . . .. FABR.

Finish Floor Elevation . . . . . . . . . . . .. F.F.E.

Foundation . . . . . . . . . . . . . . . . . .. FOUND.

Furnished . . . . . . . . . . . . . . . . . .. FURN.

Gallon . . . . . . . . . . . . . . . . . . . . . GAL.

Grade . . . . . . . . . . . . . . . . . . . . . GR.

Height . . . . . . . . . . . . . . . . . . . . . HT.

High Strength . . . . . . . . . . . . . . .. H. STRENGTH Horizontal . . . . . . . . . . . . . . . . . .. HOR.

Hour . . . . . . . . . . . . . . . . . . . . .. HR.

Linear Foot . . . . . . . . . . . . . . . . . . L.F.

Liquid . . . . . . . . . . . . . . . . . . . . . LIQ.

Loading . . . . . . . . . . . . . . . . . .. LD.

Lump Sum . . . . . . . . . . . . . . . . . .. L.S.

Material . . . . . . . . . . . . . . . . . .. MAT'L Maximum . . . . . . . . . . . . . . . . . .. MAX.

Method . . . . . . . . . . . . . . . . . . . . . M.

Mile . . . . . . . . . . . . . . . . . . . . .. MI.

Minimum . . . . . . . . . . . . . . . . . .. MIN.

One Thousand Feet Board Measure . . . . . .. MFBM One Thousand Gallons . . . . . . . . . . . .. M.GALS.

One Thousand Gallons Mile . . . . . . . . .. M.GALS.MI.

One Thousand Square Feet . . . . . . . . . . . . M.S.F.

Polyvinylchloride . . . . . . . . . . . . . . . PVC Pounds . . . . . . . . . . . . . . . . . . . . . LBS.

Reflectorized . . . . . . . . . . . . . . .. REFLECT.

Section . . . . . . . . . . . . . . . . . .. SEC.

Square Foot . . . . . . . . . . . . . . . . . . S.F.

Square Yard . . . . . . . . . . . . . . . . . . S.Y.

Station . . . . . . . . . . . . . . . . . .. STA.

Station Yard . . . . . . . . . . . . . . . . . . STA. YD.

Strand . . . . . . . . . . . . . . . . . . . . . S.

Structural . . . . . . . . . . . . . . . . . .. STRUCT.

Structural Steel . . . . . . . . . . . . . . .. S. STEEL Stump . . . . . . . . . . . . . . . . . . . . . STMP Target Value . . . . . . . . . . . . . . . . . . TV Thickness . . . . . . . . . . . . . . . . . .. TH.

Ton Mile . . . . . . . . . . . . . . . . . .. T.M.

Tops and Limbs . . . . . . . . . . . . . . .. T&L Utilization of Timber . . . . . . . . . . . .. UOT Vertical . . . . . . . . . . . . . . . . . .. VERT.

Welded Wire Fabric . . . . . . . . . . . . . . . W.W.F.

White . . . . . . . . . . . . . . . . . . . . . WH.

Width . . . . . . . . . . . . . . . . . . . . . W.

With . . . . . . . . . . . . . . . . . . . . .. W/ Without . . . . . . . . . . . . . . . . . .. W/O Woven wire . . . . . . . . . . . . . . . . . .. W.W.

Yellow . . . . . . . . . . . . . . . . . . . . . YE.

END OF SPECIFICATION 01101

SECTION 01102

DEFINITIONS

Wherever 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:

Adjustment in Contract Price. "Adjustment in contract price" shall mean "equitable adjustment" as used in the Federal Acquisition Regulations.

Arch Pipe. A culvert section, usually formed of bolted structural plates, that is an arc of a circle (usually one-half or less); that is, a bottomless culvert.

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.

Bearings. The portion of a beam, girder, or truss that transmits the bridge superstructure load to the substructure.

Berm. Curb or dike constructed to control runoff water or traffic flow.

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.

Conduit. A man-made channel for carrying/housing electrical wiring and products as described in Section 16131.

Construction Slash. All vegetative material not meeting utilization standards, such as tops and limbs, timber, brush, and grubbed stumps associated with construction or reconstruction of a facility.

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 their agent, employees, or subcontractors.

Contracting Officer (CO). The person with the authority to enter into, administer, and/or terminate contracts and make related determinations and findings.

Contractor Officer Representative (COR). The person designated by the CO in writing as the onsite contract administrator whose duties and responsibilities are defined in a letter of designation (form FS-6300-6, or equivalent).

Controlled Felling. Directing the placement of trees in felling by wedges, jacks, cable tension, or distribution of holding wood or any combinations of these which will ensure that trees are dropped into previously cleared areas, or clear of any objects that are to remain.

Culvert. A conduit or passageway under a road, trail, or other obstruction. A culvert differs from a bridge in that it is usually constructed entirely below the elevation of the traveled way.

Cushion Material. Native or imported material generally placed over rocky sections of unsurfaced roads to provide a usable and maintainable traveled way.

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

Drawings. The documents, including plan and profile sheets, 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.

Engineer. The Contracting Officer's Representative (COR) responsible for onsite administration of the contract.

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

Excess Excavation. Material from the excavation in excess of that needed for construction of designed roadways and facilities.

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

Department of Agriculture.

Gauge. The term "gauge" when used in connection with the measurement of plates will mean the U.S. Standard Gauge, except when reference is made to the measurement of metal sheets used in the manufacture of corrugated metal, pipe, metal plate culverts and arches, and metal cribbing, then the term means the "gauge" or "thickness" specified in AASHTO M 36, M 167, M 196, and M 219, as applicable. When the term "gauge" refers to the measurement of wire, it will mean the wire gauge specified in AASHTO M 32.

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

Inspector. The Government-authorized representative designated in writing by the CO or COR responsible for detailed inspection.

Job-Mix Formula. The 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.

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

Maximum Density. The highest density that can be obtained under stated conditions.

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

Multi-Beam Girder. A precast, prestressed concrete member where the concrete deck is precast as an integral part of the member.

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 material 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.

Overbreak. Material beyond the neat line of an excavation that is removed in the process of excavation, usually by blasting.

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

Pipe. A culvert that is circular (round) in cross-section.

Pipe-Arch. A pipe that has been factory-deformed from a circular shape such that the width (or span) is larger than the vertical dimension (or rise).

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. Sampling at times or locations determined in advance by the use of a table of random numbers.

Reasonably Close Conformity. Unless working tolerances are specified, all work performed and materials furnished shall be 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. "Reasonably close conformity" is compliance with reasonable and customary manufacturing and construction tolerances.

Roadway. The portion of the road within the limits of excavation and embankment, including slope rounding.

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 Samples. A sample taken when the initial sample indicates that the material is defective.

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 determination whether these requirements are met.

Standard Specifications. Specifications approved for general application and repetitive use.

Subbase. The layers of specified or selected material of designed thickness placed on a subgrade to support a base course.

Subgrade. The layers of roadbed that bring it up to the top surface, upon which subbase, base, or surface course is constructed. For roads without base course or surface course, that portion of roadbed prepared as the finished wearing surface.

Tackifier. Binder for vegetative mulch.

Target Value. The percentage of each material in a mixture intended for a particular use from which allowable variations are measured.

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

Unsuitable Material. The material excavated during roadway 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.

END OF SPECIFICATION 01102

SECTION 01103

MEASUREMENT AND PAYMENT

PART 1 - GENERAL

1.1 – Requirements:

Measurement and payment for contract work will be made only for and under those pay items included in the SCHEDULE OF ITEMS. All other work and materials will be considered incidental to and included in the payment of the pay items in the SCHEDULE

OF ITEMS.

1.2 – Measurement Terms and Definitions:

Unless otherwise specified, the following terms are defined as follows:

Each. One entire unit. The quantity is the actual number of units completed and accepted.

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

Lump sum. 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. The quantity is designated as "1." Estimated quantities of lump sum work shown in the contract are approximate.

Square yard. 9 square feet. Longitudinal and transverse measurements for area computations will be made horizontally. No deductions from the area computation will be made for individual fixtures having area of 9 square feet or less.

1.3 – Units of Measurement

Payment will be by units defined and determined according to U.S. Standard measure.

END OF SPECIFICATION 01103

SECTION 01300

SUBMITTALS

PART 1 - GENERAL

1.1 – Requirements

It will be the Contractor's responsibility to submit all items with such promptness as to cause no delay in the work. Approvals must be obtained before starting work which involves the item. Contractor shall allow ten (10) days for processing of submittals by the Government.

Submittals may also be referred to as SHOP DRAWINGS.

1.2 - Manufacturer's Literature and Shop Drawings

Submit two (2) copies to the Engineer for approval on the items required herein.

Submittal specifications are to be submitted in the following format:

A. The specifications and salient qualities of the item specified in the contract.

B. The specifications and salient qualities of the submittal item.

C. A listing of the differences and a comparison between the two, including but not limited to the structural qualities, operational qualities, any modifications necessary to accomplish installation of unit, and guarantee and warranty.

D. A cost comparison between the specified and submitted item(s) with the cost reduction benefit to the government or adequate justification for a cost increase to the government.

E. Shop drawings of submitted item(s) including wiring or layout diagrams.

If there are any modifications necessary to facilitate installation, a set of drawings showing installation of specified item and a set showing how the submittal item will be installed shall be submitted to the C.O.R.

If the specified item is to be accessible, the submittal item needs to meet current Americans with Disabilities Act Accessibility Guidelines (ADAAG) or Forest Service Accessibility Guidelines and show to be installed for accessibility on submitted drawings, not just state it is available as accessible.

Submittals will be waived if Contractor furnishes exact item used for design when manufacturer's model, size, etc. are shown in the contract.

Submittals are required per the following sections:

1. 01030 – Noxious Weed Control Fill material and surfacing source weed free documentation

2. 02213 – Trails & Graded Pads Decomposed Granite Product Data, color

3. 02232 – Aggregate Base Course

Product Data

4. 02270 – Rip-Rap Product Data, color

5. 03200 – Concrete Reinforcement

Material Certification

6. 05120 – Structural Steel Shop Drawings, material Certifiation

7. 03301 – Cast-in-Place Concrete

Mix Design

8. 13100 – Precast Concrete Toilet Building Toilet plans, specifications and warranty information

9. 13600 – Picnic Table Picnic plans, specifications and warranty information

Other required submittals include all those as specified in the referenced Forest Service Specifications for this project.

END OF SPECIFICATION 01300

SECTION 01601

MOBILIZATION

1.1 - Description

This work shall consist of 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 or that cause costs to be incurred prior to beginning work on the various items on the project site.

PART 2 - PRODUCTS

NONE

PART 3 - EXECUTION

NONE

4.1 - Measurement

Progress payments will be made as follows:

The Contractor can request payment for performance and payment bonds. The amount of the premium, including coinsurance and reinsurance agreements, will be paid upon reciept of evidence of full payment to the surety. When separate payment for bonding cost is made, the bonding cost will be subtracted from the total contract amount for this pay item and the balance paid in accordance with the progress payment schedule outlined below.

(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.

Any bonding costs in excess of the total contract amount of this pay item will be paid under one or more other pay items under this contract as determined by the Contracting Officer. In no circumstance will the total amount of this contract be increased as a result of bonding costs exceeding the total contract amount of this pay item.

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

4.2 - Payment

Payment will be made under:

PAY ITEM DESCRIPTION PAY UNIT

01601 (01) Mobilization (Including Bonding Cost) . . . . . . . . . . . . . . . . LS

END OF SPECIFICATION 01601

SECTION 01620

STORAGE AND PROTECTION

This section of work covers storage and protection procedures for the products scheduled for use.

1.2 - Related Work Specified Elsewhere

01300 - Submittals

None

3.1 – Manufacturer’s Recommendations Except as otherwise approved by the Engineer, determine and comply with manufacturer’s instructions on product handling, storage and protection.

3.2 - Packing

Deliver products to the job site in the manufacturer’s original container, with the labels intact and legible.

1. Maintain packaged materials with seals unbroken and labels intact until time of use.

2. Promptly remove damaged material and unsuitable items from the job site, and promptly replace with material meeting the specified requirements at no additional cost to the Forest Service.

The Engineer may reject as non-complying such material and products that do not bear identification satisfactory to the Forest Service as to the manufacturer, grade, quality and other pertinent information.

All product literature, warranties and operating instructions must be intact and placed in a binder and transmitted to the Forest Service.

3.3 – Protection

Maintain finished surfaces clean, unmarred and suitably protected until accepted by the Forest Service.

3.4 – Repairs and Replacements

In event of damage, promptly make replacements and repairs to the approval of the Forest Service and at no additional cost to the Forest Service.

There will be no separate measurement for this section.

This work is incidental to other items in the contract and direct separate item payment will not be made.

END OF SPECIFICATION 01620

SECTION 01710

CLEANING

Throughout the construction period, maintain the construction site and facilities in an orderly and clean manner as described in this Section.

2.1 – Cleaning Materials and Equipment Provide required personnel, equipment and materials as needed to maintain the specified standard.

2.2 – Compatibility Use only the cleaning materials and equipment, which are compatible with the surface being cleaned, as recommended by the manufacturer of the cleaning material.

3.1 – Progress Cleaning Retain stored items in an orderly arrangement allowing maximum access, not impeding traffic or drainage, and providing required protection of materials.

Do not allow accumulation of scrap, debris, waste material and other items not required for construction of this work.

Provide adequate storage for all items awaiting removal from the job site, observing requirements for fire protection and protection of the ecology.

3.2 – Site

Daily, and more often if necessary, inspect the site and pick up all scrap, debris and waste material. Remove such items to the place designated for their storage.

Maintain the site in a neat and orderly condition at all times.

Clean mud and debris from roadways or highways adjacent to the project site daily.

3.3 – Structure At least weekly, inspect the structures and pick up all scrap, debris and waste material and remove them to the place designated for their storage.

“Clean” for the purpose of this paragraph shall be interpreted as meaning free from material capable of being removed by reasonable effort with a handheld broom.

3.4 – Final Cleaning Prior to completion of the work, remove from the job site all tools, surplus materials, equipment, scrap, debris and waste.

Structures:

1. Exterior:

a. Visually inspect exterior surfaces and remove all traces of soil, waste materials, smudges and other foreign matter.

b. Remove all traces of splashed materials from adjacent surfaces.

c. In the event of stubborn stains not removable with water, the

Forest Service may require light sandblasting or other cleaning at no additional cost to the Forest Service.

2. Interior:

a. Visually inspect interior surfaces and remove all traces of soil, waste materials, smudges and other foreign matter.

b. Remove all traces of splashed material from adjacent surfaces.

c. Remove paint drippings, spots, stains and dirt from finished surfaces.

Final cleaning of the project site shall be approved by the Forest Service prior to final acceptance of the work.

END OF SECTION 01710

DIVISION 2 – SITE WORK

SECTION 02213

TRAILS & GRADED PADS

PART 1 - GENERAL

SUMMARY

This work shall consist of placing decomposed granite on constructed trails and graded pads in close conformity to the dimensions, lines and grades AS SHOWN ON THE DRAWINGS or STAKED ON THE GROUND. Decomposed granite shall match native surrounding landscape, to be approved by COR before placement.

Work shall include staking, clearing, excavation and embankment, and decomposed granite surfacing.

RELATED WORK SPECIFIED ELSEWHERE

Clearing and Grubbing - Section 02102.

QUALITY ASSURANCE

Additives:

Magnesium chloride, when each load of magnesium chloride is delivered, the contractor shall furnish the Contractor Officer (CO) with a completed Certificate of Compliance conforming to these specifications.

PART 2 - PRODUCTS

SOURCE

Materials shall be obtained from a commercial source, the contractor shall submit test results for aggregate gradation and a Certificate of Compliance that states gradation meets contract requirements.

Sampling and testing of the material before incorporation into the work shall be in accordance with AASHTO requirements and shall occur as follows:

For commercially produced aggregates:

At the producer's plant or stockpile.

These test results shall not preclude later sampling and testing for final acceptance after final processing of the material.

Crushing, screening, and mixing plants shall be equipped with sampling devices.

The contractor shall take additional samples as required to validate the certification.

DECOMPOSED GRANITE

Decomposed granite shall be any granitoid igneous rock which has been weathered in place and which has as principal constituents granular fragments of quartz and feldspar.

It may also contain fragments of granitic rock not yet broken down into the component minerals.

This material shall remain stable when saturated with water.

Particles larger than 3 inches, which will not be broken in the process of rolling and tamping during construction, shall not be used.

Decomposed granite shall conform to the following requirements:

100% shall pass the 1/2" sieve.

Not more than 20% shall pass the No. 200 sieve.

The P.I. of the material passing the No. 200 sieve shall not be less than 3 not greater than 10.

ADDITIVES

Chemical additives for all aggregate used in camp/picnic pads, trails and facility pads shall be magnesium chloride and shall meet the requirements shown below:

Magnesium chloride shall be brine consisting of water and magnesium chloride.

*Chemical Analysis. The chemical analysis shall meet the following requirements:

CHEMICAL PERCENT BY WEIGHT OF BRINE

Magnesium 7.0 minimum Chloride 20.0 minimum Sulfate 4.3 maximum Nitrate 5.0 maximum

The pH shall be between 4.5 and 10.0. The solids shall be at least 30 percent by weight of the brine.

*Copy of test procedures available upon request from USDA Forest Service, Pleasant Hill Contracting Officering Center, 2245 Morello Avenue, Pleasant Hill, CA 94523.

Temperature:

The temperature of the material shall be 40 degrees F, or above when it is applied.

STAKING

Trial centerline location (and elevation if required) shall be staked by the government where

SHOWN ON THE DRAWINGS.

The Forest Service may take a maximum of four (4) working days (exclusive of weekends and holidays) for completion of this work.

SITE PREPARATION AND GRADING

Before commencing work, thoroughly remove all debris, rock 2 inch and larger.

All areas within the limit of the work shall be carefully and accurately graded and shaped to the elevations shown.

All noticeable depressions shall be filled, and all mounds graded down so that the entire area presents a uniformly even surface.

All low areas shall be filled in and the trail area shall be slightly above the surrounding area after compaction to prevent water from standing on the trail area.

Clearing limits shall be AS SHOWN ON THE DRAWINGS.

Felling, cutting, and trimming methods shall not cause bark damage to standing trees.

If damage occurs the injured area shall be treated with a coat of tree-surgery asphalt-based paint.

Stump holes shall be backfilled with compacted mineral soil or borrow material from designated source.

EXCAVATION AND EMBANKMENT

Excavation and embankment shall be accomplished to meet the lines and grades AS SHOWN ON THE DRAWINGS or DESIGNATED ON THE GROUND.

Deviations from the trail alignment will be permitted to avoid or minimize disturbance to the physical terrain.

Mineral soil within the spread of existing trees that are to remain shall not be disturbed.

All excavated material shall be conserved and used in construction of the trailbed:

Rocks, which protrude above the trailbed, shall be removed and cavities backfilled with compacted mineral soil.

Rocks shall be laid in a continuous row along the down slope side of the trail.

The row shall be bedded to be stable and placed to ensure no blockage of drainage.

Embankment shall be constructed of compacted mineral soil or borrow material from designated sources.

All disturbed soil within the trailbed area shall be recompacted to provide a soil bed

DECOMPOSED GRANITE

The aggregate shall be spread in a uniform layer, with no segregation of size, and to a loose depth that shall have the required thickness when compacted.

If the required compacted depth of any aggregate base or surface course exceeds 6 inches, it shall be placed in two or more layers of approximately equal thickness. If the nominal maximum particle size exceeds 3 inches, the aggregate shall be place in layers that do not exceed twice the maximum size of the aggregate size specified.

Hauling equipment shall be operated over the surface of the previously constructed layer in a dispersed manner to minimize rutting or uneven compaction.

COMPACTION

Trail: Aggregate shall be compacted using pneumatic vibrators or rollers to 85% maximum density.

Test compaction as outlined in subsection 1.01 B and C. Testing shall be done using a portable nuclear moisture density device in accordance with AASHTO 238 and T239.

ADDITIVES

Install accordance to manufacturer's recommended instructions.

STOCKPILING

If one of the contractors elects to produce and aggregates prior to placement, the aggregates shall be handled and stockpiled in accordance with the requirements shown below.

Stockpile sites shall be at locations or approved by the CO.

All materials shall be transported and handled to preserve their quality and fitness for the work. Aggregates shall be stockpiled, loaded, and transported in a manner that will preserve specified gradation and avoid contamination. Stockpiles of aggregate having different gradations shall not be intermingled.

THICKNESS REQUIREMENTS

The thickness of the compacted aggregate shall not vary more than 1/2 inch for aggregates with a nominal maximum particle size of 1 inch or less, nor more than 1 inch for aggregates with a nominal maximum particle size greater than 1 inch from the thickness SHOWN ON THE DRAWINGS.

The compacted thickness shall not be consistently above or below the specified thickness.

PART 4 BASIS OF PAYMENT

PAY ITEM PAY UNIT

02213 (01) Decomposed Granite Installed……………….……….. CY

END OF SECTION 02213

SECTION 02220

EXCAVATION AND BACKFILL FOR BUILDINGS/STRUCTURES

This section covers excavation; furnishing, hauling, and placing backfill material; watering; compaction; relocation of excess or unsuitable excavated material; final grading for all buildings. Borrow backfill material and haul if needed is incidental to this work. Rock hammered/blasting excavation may be needed and is considered incidental to this work.

1.2 - Related Sections

02232 – Aggregate Base Course

1.3 - Material Classification

Material to be excavated is unclassified. Contractor is advised to classify the material to their satisfaction.

1.4 – Approvals Required

Excavation: Notify Engineer when excavation is completed. Do not place concrete, block, tanks or backfill until the excavation is approved by the Engineer.

Backfill: Do not place backfill until construction of the structure to be backfilled against is approved by the Engineer.

1.5 – Applicable Codes

Operations shall be in compliance with the requirements and restrictions of OSHA, the Arizona Occupational Safety and Health Code, and the Workman’s Compensation Board.

2.1 - Backfill Materials

02220-33

Backfill materials shall be readily compactable, excavated material free of frozen or organic material, highly plastic clay or other objectionable material and shall contain no lumps or rock larger than 3 inches.

All fill dirt required for the building shall be examined by the Engineer to ensure that it is of low swell potential and free of organic or otherwise deleterious material.

2.2 - Water

Water shall be reasonably clean and free of injurious substances.

2.3 - Borrow

Borrow backfill material shall conform to Backfill for Buildings/Structures and 02224 – Excavation, Embankment and Backfill. Borrow material will be available from commercial sources.

3.1 - Excavation

Clearing and grubbing of areas to be excavated shall conform to 02102 – Clearing and Grubbing. No clearing or grubbing work shall be done without prior approval of the Engineer.

The Contractor is responsible for ensuring that excavation activities do not damage existing structures and improvements.

Excavate sub-soil in accordance with lines and levels required for construction of the work, including space for forms, bracing and shoring, and to permit inspection. All excavation of every description and of whatever substances encountered shall be performed to the depth needed for installation of the vaults and bedding material per staked finished grade elevations. Undercutting will not be permitted unless approved by the Engineer.

Trim any roots flush with the walls.

The contractor should expect to encounter some rock during excavation activities.

3.2 – Excavated Material

Pile topsoil separately from underlying material. All material shall be piled in an orderly manner with a sufficient distance from the banks of the excavation to avoid overloading and to prevent slides or cave-ins.

Rocks too large to be incorporated into backfill shall be relocated to locations on site as approved by the Engineer.

No excavated material shall be placed in lakes or live streams.

All suitable excavated materials shall be used as backfill. All excavated materials not required or unsuitable for backfill shall be relocated to onsite as directed by the Engineer.

3.3 – Over-excavation

When material at the maximum depth of excavation is soft or otherwise unsuitable for the construction intended, the unsuitable material shall be removed, and the excavation restored to grade by backfilling with an approved borrow backfill material.

Inadvertent excavation below specified grades in areas where material is suitable for the construction intended shall be handled as described above at no cost to the Government.

3.4 – Wet Excavation

Prevent surface water from entering the excavation.

If groundwater is encountered during excavation for structures, notify the Engineer immediately.

Remove standing water from the excavation prior to backfilling.

3.5 – Blasted/Rock Hammered Excavation

Material determined to be unrippable may be rock hammered or blasted with explosives when approved by the Engineer.

3.6 – Backsloping, Sheeting and Shoring

Whenever depth of excavation exceeds 5 feet, the surface shall be sloped back at a 1-1/2 to 1 slope or the excavation shall be shored. Backsloping will be allowed only upon prior written approval by the Engineer.

Remove all shoring and sheeting when construction is completed. Withdraw shoring in such a manner as to prevent walls from caving in while backfilling.

3.7 - Backfill

Prior to backfilling, clean trash and debris from excavation.

Backfill excavations as promptly as work permits, but not until completion of the following:

1. Acceptance of construction below finish grade including, where applicable, damp proofing, waterproofing, and perimeter insulation.

2. Inspection, testing, approval, and recording locations of underground utilities have been performed and recorded.

3. Obtaining approval from Engineer.

Fill shall be wetted and thoroughly mixed in order to achieve optimum moisture content, +/- 2 percent. Fill and backfill adjacent to structural walls shall be placed in 6-inch lifts and compacted uniformly throughout its entire depth.

Heavy equipment for spreading and compacting backfill shall not be operated closer to foundation than a distance equal to the depth to the top of backfill for footings; the area remaining shall be compacted by power-driven hand tampers suitable for the material being compacted. Backfilling operations shall not cause a foundation to become "point loaded."

General backfill shall be placed in horizontal layers not exceeding 6 inches (loose measure) and compacted. Each embankment layer shall be leveled and smoothed before compaction and placement of subsequent layers.

Finished surfaces shall be reasonably smooth, compacted, and shall drain without ponding.

3.8 - Embankment

Embankment shall be placed in horizontal layers not exceeding 6 inches (loose measure) and compacted.

Bring all embankments to suitable elevations above grade to provide for anticipated settlement, shrinkage, and required compaction.

Embankment material shall not be dropped on any structure.

3.9 - Finish Grading

02220-36

All areas covered by the project including excavation and embankment areas and adjacent transition areas, shall be uniformly graded so that finished surfaces are at elevations indicated and approved by the Engineer. Slope grade away from structures a minimum of ¼-inch per foot unless otherwise indicated to provide drainage away from structures.

Finished slopes shall be left in a roughened condition to facilitate vegetative growth.

Loose rock, debris, and other loose material greater than 6” in diameter, shall be removed from the slope.

This work is incidental to other items in the contract and direct and separate payment

END OF SPECIFICATION 02220

SECTION 02224

EXCAVATION, EMBANKMENT AND BACKFILL

This section specifies excavation, embankment and backfill, furnishing, hauling and placing of backfill and embankment material; watering; compaction; disposal of excess or unsuitable excavated material; final grading for concrete sidewalks. Borrow material and haul will be considered incidental in the contract and a direct separate item payment

1.2 - Material Classification

Material to be excavated is unclassified. Contractor is advised to classify the material to their satisfaction.

1.3 - Related Work Specified Elsewhere

02102 – Clearing and Grubbing 01030 – Noxious Weed Control 02220 - Excavation and Backfill for Buildings/Structures

2.1 - Backfill Material

Backfill material shall be readily compactable excavated material free of frozen or organic material, highly plastic clay or other objectionable material and shall contain no rocks larger than 6 inches in diameter.

2.2 - Water

Water shall be reasonably clean and free of injurious substances.

2.3 – Borrow Material

Borrow material shall conform to…