WORK RESTRICTIONS Section 01 14 00-1

GAOA Laguna Campground Renovations

SECTION 01 14 00 - WORK RESTRICTIONS

PART 1 – GENERAL

1.1 SCOPE

A. This work consists of the use by the Contractor of areas and facilities owned by the Government during the construction of this project.

1.2 MEASUREMENT AND PAYMENT

A. No separate payment will be made for work specified in this section.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 No water will be available for the Contractors use. Contractor’s imported water source shall be free of all deleterious materials. All water is considered incidental to individual work items. No telephone or electrical will be available for the Contractor’s use.

3.2 The Contractor will have full use of the site within the project area as determined by the COR for construction operations. The Contractor may store equipment and materials in this area. The Contractor shall be responsible for providing for the security of the equipment and materials delivered and stored at the jobsite.

Contractor’s use of the delineated portion of the premises is limited by the Government’s right to perform work or to retain other Contractors on portions of the project.

3.3 The Contractor shall take all reasonable precautions to ensure a safe construction area.

3.4 The Contractor's operations shall at no time interfere with emergency vehicle traffic.

3.5 The Contractor shall return the area designated for equipment and materials storage to the original state at the completion of the project.

3.6 Contractor shall cleanup work areas on a daily basis in accordance with Section 01 74 00, Construction Waste Management and Disposal.

END OF SECTION 01 14 00

PROJECT MANAGEMENT AND COORDINATION Section 01 31 00-1

SECTION 01 31 00 - PROJECT MANAGEMENT AND COORDINATION

PART 1 - GENERAL

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

1. General Project Coordination Procedures.

2. Contractor's personnel.

3. General installation provisions.

4. Cleaning and protection.

1.2 COORDINATION

A. Coordination: Coordinate construction activities included under various Sections of these specifications in order to assure efficient and orderly installation of each part of the Work. Coordinate construction operations included under different Sections of the Specifications that are dependent upon each other for proper installation, connection, and operation.

1. Where installation of one part of the Work is dependent on installation of other components, either before or after its own installation, schedule construction activities in the sequence required to obtain the best results.

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

3. Make adequate provisions to accommodate items scheduled for later installation.

B. Conservation: Coordinate construction activities in order to ensure that operations are carried out with consideration given to conservation of energy, water, and materials.

1.3 MEASUREMENT AND PAYMENT

A. No separate measurement or payment will be made for work specified in this section.

PART 2 – PRODUCTS (Not Used)

PART 3 – EXECUTION

3.1 GENERAL INSTALLATION PROVISION

PROJECT MANAGEMENT AND COORDINATION Section 01 31 00-2

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.

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. Inspect materials or equipment immediately upon delivery and again prior to installation. Reject damaged and defective items.

D. Provide attachment and connection devices and methods necessary for securing Work. Secure Work true to line and level. Allow for expansion and building movement.

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. Recheck measurements and dimensions before starting each installation.

G. Install each component during weather conditions and Project status that will ensure the best possible results. Isolate each part of the completed construction from incompatible material as necessary to prevent deterioration.

H. Coordinate temporary enclosures with required inspections and tests, to minimize the necessity of uncovering completed construction for that purpose.

I. Mounting Heights: Where mounting heights are not indicated, install individual components at standard mounting heights recognized within the industry for the particular application indicated.

Refer questionable mounting height decisions to the Contracting Officer for final decision.

J. Any damage to or interruption of utilities caused by Contractor or Contractor’s personnel shall be repaired by Contractor and utility restored to full use immediately. The Contractor shall replace all damaged work, materials and equipment with new of like kind or equal, as approved by the Contracting Officer. All repairs shall be in accordance with all local, State, County, Federal building codes and standards.

3.2 CLEANING AND PROTECTION

A. During handling and installation, clean and protect construction in progress and adjoining materials in place. Apply protective covering where required to ensure protection from damage or deterioration.

B. Clean and maintain completed construction as frequently as necessary through the remainder of the construction period. Adjust and lubricate operable components to ensure operability without damaging effects.

END OF SECTION 01 31 00

QUALITY REQUIREMENTS Section 01 40 00-1

SECTION 01 40 00 - QUALITY REQUIREMENTS

1.1 SUMMARY

A. This Section includes administrative and procedural requirements for quality assurance and quality control.

1.2 DEFINITIONS

A. Quality-Assurance Services: Activities, actions, and procedures performed before and during execution of the Work to guard against defects and deficiencies and ensure that proposed construction complies with requirements.

B. Quality-Control Services: Tests, inspections, procedures, and related actions during and after execution of the Work to evaluate that the completed construction complies with requirements. Services do not include contract enforcement activities performed by Contracting Officer.

C. Testing Agency: An independent state certified entity engaged to perform specific tests, inspections, or both. Testing laboratory shall mean the same as testing agency. Delete first paragraph below if Project does not require mockups.

1.3 QUALITY ASSURANCE

A. Fabricator Qualifications: A firm experienced in producing products similar to those indicated for this

Project and with a record of successful in-service performance, as well as sufficient production capacity to produce required units.

B. Installer Qualifications: A firm or individual experienced in installing, erecting, or assembling work similar in material, design, and extent to that indicated for this Project, whose work has resulted in construction with a record of successful in-service performance.

C. Manufacturer Qualifications: A firm experienced in manufacturing products or systems similar to those indicated for this Project and with a record of successful in-service performance.

D. Inspection of Construction: The Contractor shall maintain an adequate inspection system and perform such inspections as will ensure that the work performed under the contract conforms to contract requirements.

All work shall be conducted under the general direction of the Contracting Officer and is subject to Government inspection and testing at all places and at all reasonable times before acceptance to ensure strict compliance with the terms of the contract.

Government inspections are for the sole benefit of the Government and do not:

1. Relieve the Contractor of responsibility for providing adequate quality control measures.

2. Relieve the Contractor of responsibility for damage to or loss of the material before acceptance.

3. Constitute or imply acceptance.

QUALITY REQUIREMENTS Section 01 40 00-2

4. The presence or absence of a Government inspector does not relieve the Contractor from any contract Requirement, nor is the inspector authorized to change any term or condition of the specification without the Contracting officer’s written authorization.

1.5 QUALITY CONTROL

A. Contractor Responsibilities: Unless otherwise indicated, provide quality-control services specified and required by authorities having jurisdiction.

2. Notify Forest Service and testing agencies at least 24 hours in advance of time when Work that requires inspecting to be performed.

3. Contractor shall coordinate the Government inspections with the work progress and provide a sufficient lead time. .

1.6 MEASUREMENT AND PAYMENT

3.1 REPAIR AND PROTECTION

A. General: On completion of testing, inspecting, sample taking, and similar services, repair damaged construction and restore substrates and finishes.

1. Provide materials and comply with installation requirements specified in other Sections of these

Specifications. Restore patched areas and extend restoration into adjoining areas in a manner that eliminates evidence of patching.

2. Retain subparagraph above. Above is for simple projects that do not include a "Cutting and Patching" Section and relies on patching and repair materials being the same as for new construction.

B. Protect construction exposed by or for quality-control service activities.

C. Repair and protection are Contractor's responsibility, regardless of the assignment of responsibility for quality-control services.

END OF SECTION 01 40 00

MOBILIZATION Section 01 71 13-1

SECTION 01 71 13 - MOBILIZATION

A. This work consists 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.

A. The accepted quantities will be paid for at the contract unit price for item 01 71 13, Mobilization.

B. Progress payments will be made as follows:

1. 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 01 71 13, Mobilization.

2. 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.

3. 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.

4. Upon completion of all work on the project, any unpaid amount for item 01 71 13, Mobilization, will be paid.

C. The total of all payments will not exceed the original contract amount for item 01 71 13, Mobilization.

PART 3 - EXECUTION (Not Used)

END OF SECTION 01 71 13

CLEANING AND WASTE MANAGEMENT Section 01 74 00-1

HOLY FIRE BAER GATES

SECTION 01 74 00 - CLEANING AND WASTE MANAGEMENT

A. The work in this section consists of the cleanup required in areas affected by the construction and the disposal of refuse and excess material resulting from construction operations. Such work includes but is not limited to the following items:

1. Disposal of the materials designated under clearing and grubbing.

2. Disposal of the excess or unsuitable excavation materials.

4. Disposal of other rubbish generated due to construction.

5. Cleaning or any other operation in which waste is generated.

3.1 Excess materials and refuse materials, including recyclables, generated by the Contractor's demolition and construction operations including wood, shingles, fiberglass, masonry, rebar, concrete, asphalt, all construction debris, unsuitable excavation, and the like shall be removed from the project site as it accumulates and disposed of off National Forest Lands to an appropriate recycle facility or landfill. The Contractor shall keep all areas adjacent to, and leading to the site, clean and free of debris at all times.

Site shall be restored to as near its natural condition as possible.

3.2 Salvageable items not intended for use in this contract and not specifically designated to remain the property of the Government shall become the property of the Contractor. Items not salvageable shall be disposed of according to article 3.1 above.

3.3 Concrete trucks shall be washed out in the project area in conformance with Caltrans Best Management

Practices (BMP) requirements.

3.4 Burning is not permitted on Government Property. No welding operations shall proceed until an approved welding permit has been issued by qualified Forest Service fire personnel.

END OF SECTION 01 74 00

CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL Section 01 74 19- 1

SECTION 01 74 19 – CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL

A. This section includes required salvage and recycling of the following waste materials and applies to all such listed waste materials produced during the course of this contract.

1. Land Clearing Debris: Solid waste generated solely from land clearing operations, such as brush, stumps and trees.

a. See Section 31 10 00, Site Clearing for requirements for salvage and processing of designated materials to produce mulch for use in landscape construction for this project.

Material required for production of landscape mulch is not classified as land clearing debris.

2. Concrete, Masonry, and Other Inert Fill Material: Concrete, brick, rock, clean soil not intended for other on-site use, broken up asphalt pavement containing no ABC stone, clay, concrete, or other contaminants, and other inert material.

3. Metals: Metal scrap including iron, steel, copper, brass, and aluminum.

4. Other Mixed Construction and Demolition Waste: Solid waste resulting solely from construction, repair, or demolition operations on pavement, buildings, or other structures exclusive of waste materials listed herewith.

B. Non-Recyclable Waste: Collect and segregate non-recyclable waste for delivery to a permitted landfill site.

1. Mixed Solid Waste: Solid waste usually collected as a municipal service, exclusive of waste materials listed above.

1.2 DEFINITION

A. Waste Materials are defined as large and small pieces of the materials indicated which are excess to the contract requirements and generally include materials which are to be salvaged from existing construction and items of trimmings, cuttings and damaged goods resulting from new installations, which cannot be effectively used in the work.

1.3 QUALITY ASSURANCE

A. Disposal Sites, Recyclers, and Waste Materials Processors: Use only facilities properly permitted by the

State of California and by local authorities where applicable.

B. California Recycling Information: https://www.calrecycle.ca.gov/

1.4 DELIVERY, STORAGE, AND HANDLING

A. Environmental Requirements: Transport recyclable waste materials from the work area to the recycle containers and carefully deposit in the containers without excess noise and interference with other activities, in a manner to minimize noise and dust. Reclose container covers immediately after materials are deposited.

B. Do not place recyclable waste materials on the ground adjacent to a container.

http://www.calrecycle.ca.gov/

CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL Section 01 74 19- 2

1.5 MEASUREMENT AND PAYMENT

PART 2 – PRODUCTS (NOT USED)

3.1 WASTE MANAGEMENT

A. Waste Disposal Facilities: Provide waste-collection containers in sizes adequate to handle waste from construction operations. Containerize and clearly label hazardous, dangerous, or unsanitary waste materials separately from other waste. Comply with Execution Requirements listed above for progress cleaning requirements.

B. Delivery Receipts: Keep and maintain records of all deliveries to recycling facilities and all pickups of waste materials at the site by others as specified above.

C. Locate facilities where they will serve Project adequately and result in minimum interference with performance of the work. Relocate and modify facilities as required.

3.2 RECYCLABLE WASTE MATERIALS HANDLING

A. General: The following paragraphs supplement handling requirements for various materials identified for classification and recycling listed in Part 1 “Summary” article above.

1. Concrete: Provide concrete to area concrete supplier, or recycling facility, for use as stabilization material.

2. Fencing: Provide fencing to a recycling facility.

3. Trees, Limbs, Slash, and Roots: Provide to a recycling facility.

END OF SECTION 01 74 19

DEMOLITION Section 02 41 00-1

CNF Gates 2021

SECTION 02 41 00 - DEMOLITION

1.01 SCOPE

A. The work within this section includes, but is not limited to the following items: demolition, removal and disposal of existing gates, AS SHOWN ON DRAWINGS. It shall also include salvage materials.

The site shall be returned to a natural state. The work within this Section includes, but is not limited to, the following items:

1. Base Bid: Demolish and remove and dispose of construction debris off National Forest land as describe in Section 01 74 00 Cleaning and Waste Management, and Section 01 74 19, Construction Waste Management.

“Demo Sites” shall include removing existing road gates. Site shall be restored back to its natural state.

1.02 MEASUREMENT AND PAYMENT

1.03 QUALITY ASSURANCE

A. Regulatory Assurance: Comply with governing EPA notification refulations before beginning demolition Comply with hauling, abatement, and disposal regulations or authoriities having jurisdiction.

B. Disposal Records: Provide routine review of all receipts and documentation for all disposal, recycling and landfill disposal. Upon project completion, provide all manifests and tickets documenting final disposal of recycled and disposed wastes in accordance with Section 01 33 23 Shop Drawings, Product Data and Submittals.

1.04 PROJECT CONDITIONS

A. Contractor shall perform their own independent site inspection of the site conditions during the pre-work site inspection.

1.05 DEFINITIONS

A. Demolish: Completely remove and legally dispose of off-site.

B. Salvage: Carefully detach from existing construction, in a manner to prevent damage, reduce size or configuration as necessary and deliver to the designated location.

C. Inert Material: A material passively resistant to change. For this project, these include block, masonry, pavement and concrete.

1.06 MATERIAL OWNERSHIP

A. Unless otherwise indicated, demolition debris becomes the property of the Contractor.

DEMOLITION Section 02 41 00-2

PART 2 - PRODUCTS

2.01 Backfill Materials: Imported backfill material shall be as specified in Section 31 20 00, Earth Moving under General Backfill.

3.01 Prior to starting demolition work, the Contractor shall make an inspection with the Contracting Officer’s Representative to determine the physical condition of adjacent improvements scheduled to remain. The Contractor shall exercise caution to minimize disturbance to existing improvements.

3.02 Demolition work shall be performed in such a manner as to ensure the safety of persons working or visiting the area. The use of explosives is prohibited on this project. Do not burn demolished materials under any circumstance. Remove and transport debris in a manner that will prevent spreading or spillage into adjacent areas. All loads of debris (dump trucks or bins) are to be covered when in motion to prevent airborne dust.

3.03 All designated salvageable material shall be removed without unnecessary damage and shall be stored in locations designated by the COR.

3.04 Debris resulting from the demolition portion of this project shall be removed from the work site as it accumulates in accordance with Section 01 74 00, Cleaning and Waste Management, and 01 74 19 Construction and Waste Management. Keep all pavement areas adjacent to and leading from the site, clean and free of debris at all times.

3.05 All concrete curbs, footings, slabs, foundations and asphalt designated for demolition shall be removed to their entire depth or a maximum of twelve inches below natural grade.

3.06 Fill material shall imported and approved before use. Fill material shall be placed in depressions resulting from the removal of foundations and the like. Backfill shall be compacted in accordance with Section 031 20 00, Earth Moving or as stated herein. Sites finish surface shall be graded smooth to blend in with proposed or existing contours and shall be free draining.

3.07 UTILITY DEMOLITION

A. Locate and identify all existing utilities. It is the Contractors responsibility to protect existing utilities from damage. All damage to utilities caused by the Contractor shall be repaired by the Contractor at no cost to the government.

B. Demolish and completely remove all above grade utilities designated to be removed. All above grade utilities shall be capped and abandoned in place to a depth of 36 inches below grade.

C. Upon encountering any utility not shown on drawings, the Contractor shall immediately notify the Contracting Officer’s Representative.

D. Prior to commencing work, erosion control measures shall be established in accordance with Section

01 57 24, Storm Water Pollution Control and Section 31 20 00 Earth Moving.

3.08 PROTECTION OF SENSITIVE RESOURCE AREAS AND ADJACENT TREES

DEMOLITION Section 02 41 00-3

A. Existing trees and vegetation adjacent to the demolition areas shall be protected against any unnecessary damage in accordance with Section 31 10 00, Site Clearing.

3.09 ABESTOS DISCLOSURE

A. Contractor shall be aware that vent stacks in existing vault toilet buildings are made of asbestos material and shall be handled and disposed of in accordance with all local, State and Federal regulations.

B. Comply with hauling, abatement, and disposal regulations or authorities having jurisdiction for all hazardous material.

END OF SECTION 02 41 00

Section 03 20 00-1 CONCRETE REINFORCEMENT

SECTION 03 20 00 - CONCRETE REINFORCEMENT

1.1 SECTION INCLUDES

A. Reinforcing steel bars, wire fabric and accessories for cast-in-place concrete.

1.2 RELATED SECTIONS

A. Section 03 10 00 - Concrete Formwork.

B. Section 03 30 00 - Cast-in-Place Concrete.

1.3 REFERENCES

A. ACI 30 - Structural Concrete for Buildings.

B. ACI 318 - Building Code Requirements for Reinforced Concrete.

C. ACI SP-66 - American Concrete Institute – Detailing Manual.

D. ASTM A82 - Cold Drawn Steel Wire for Concrete Reinforcement.

E. ASTM A185 - Welded Steel Wire Fabric for Concrete Reinforcement.

F. ASTM A615 - Deformed and Plain Billet Steel Bars for Concrete Reinforcement.

G. AWS D 1.4 - Structural Welding Code for Reinforcing Steel.

H. CRSI - Concrete Reinforcing Steel Institute – Manual of Practice.

I. CRSI 63 – Recommended Practice For Placing Reinforcing Bars.

J. CRSI 65 – Recommended Practice For Placing Bar Supports, Specifications and Nomenclature.

1.4 SUBMITTALS FOR REVIEW

A. Section 01300 – Submittals: Procedures for submittals.

B. Shop Drawings: Indicate bar sizes, spacing, locations, and quantities of reinforcing steel, Bending and cutting schedules, and supporting.

1.5 SUBMITTALS FOR INFORMATION

Section 03 20 00-2 CONCRETE REINFORCEMENT

A. Section 01300 – Submittals: Procedures for submittals.

B. Manufacturer’s Certificate: Certify that products meet or exceed specified requirements.

C. Submit certified copies of mill report or reinforcement materials analysis.

1.6 QUALITY ASSURANCE

A. Perform Work in accordance with ACI 301 and ACI SP-66.

1.7 MEASUREMENT AND PAYMENT

PART 2 - PRODUCTS

2.1 REINFORCEMENT

A. Reinforcing Steel: ASTM A615, 60 ksi yield grade; deformed billet steel bars.

2.2 ACCESSORIES

A. Tie Wire Minimum 16.

B. Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for strength and support of reinforcement during concrete placement conditions including load bearing pad on bottom to prevent vapor barrier puncture.

C. Special Chairs, Bolsters, Bar Supports, Spacers Adjacent to Weather Exposed Concrete

Surfaces: Stainless steel type; size and shape as required.

2.3 FABRICATION

A. Fabricate concrete reinforcing in accordance with ACI SP-66.

B. Locate reinforcing splices not indicated on drawings, at point of minimum stress. Review location of splices with Contracting Officer.

3.1 PLACEMENT

A. Place, support and secure reinforcement against displacement. Do not deviate from required position.

B. Do not displace or damage vapor barrier.

Section 03 20 00-3 CONCRETE REINFORCEMENT

C. Accommodate placement of formed openings.

D. Maintain concrete cover around reinforcing as follows:

Item: Coverage:

Footings and Concrete Formed against Earth 3 inch Slabs on Grade 3 inch

3.2 FIELD QUALITY CONTROL

A. Section 01400 - Quality Control: Field inspection.

B. Inspect for acceptability.

END OF SECTION 03 20 00

CAST-IN-PLACE CONCRETE Section 03 30 00-1

SECTION 03 30 00 – CAST–IN-PLACE CONCRETE

1.1 SECTION INCLUDES

A. This section includes reinforced concrete and replacement of reinforced concrete. The work includes preparation of surfaces, mixing, placement, and finishing of concrete.

1.2 RELATED SECTIONS

A. 03 30 00 CONCRETE REINFORCMENT.

1.3 REFERENCES

A. ACI 211.1 - Selecting Proportions for Normal, Heavyweight, and Mass Concrete.

B. ACI 301 - Structural Concrete for Buildings.

C. ACI 302 - Guide for Concrete Floor and Slab Construction.

D. ACI 304 - Recommended Practice for Measuring, Mixing, Transporting and Placing Concrete.

E. ACI 305R - Hot Weather Concreting.

F. ACI 306R - Cold Weather Concreting.

G. ACI 308 - Standard Practice for Curing Concrete.

H. ACI 318 - Building Code Requirements for Reinforced Concrete.

I. ASTM C33 - Concrete Aggregates.

J. ASTM C94 - Ready-Mixed Concrete.

K. ASTM C150 - Portland Cement.

L. ASTM C260 - Air Entraining Admixtures for Concrete.

M. ASTM C494 - Chemical Admixtures for Concrete.

N. ASTM D994 - Preformed Expansion Joint Filler for Concrete (Bituminous Type).

O. ASTM D1190 - Concrete Joint Sealer, Hot-Poured Elastic Type.

P. ASTM C231 – Air Content of Freshly Mixed Concrete by the Pressure Method.

Q. ASTM C1116 – Standard Specification for Fiber Reinforced Concrete and Shotcrete.

CAST-IN-PLACE CONCRETE Section 03 30 00-2

1.4 MEASUREMENT AND PAYMENT

PART 2 – PRODUCTS

A. Portland Cement shall conform to ASTM C 150, Type IIA cement. The Contractor shall obtain from his supplier of cement or concrete a certificate stating that the cement complies with this specification.

B. Aggregates shall conform to ASTM C 33. Maximum size of aggregate shall be either one (1) inch or not larger than three-quarters (3/4) of the minimum clear spacing between reinforcing bars or between reinforcing concrete surface with the smaller size governing.

C. Water (Used in Mix) shall be clean and free from injurious amounts of acids, alkalis, salts, organic matter or other deleterious substances.

D. The water/cement ratio of the design mix shall be maintained at all times regardless of making field adjustment due to weather or placement conditions. Maximum allowable mixing water shall not exceed seven (7) gallons per sack. Mixing water shall be reduced by the amount of moisture in the aggregate above saturated surface dry conditions.

E. The slump of the concrete as designed and placed on the job shall be four inches maximum when tested in accordance with ASTM C143.

F. Concrete shall be air-entrained, and shall contain 5 percent plus or minus 1 percent entrained air as determined by test procedure ASTM C138. Only air-entrained agents meeting the requirements of ASTM C260 will be permitted and shall be added at the mixer.

G. Provide concrete to the following criteria: (This data and all admixtures used shall be shown on all tickets for all material delivered to the job site.

FOOTINGS

Unit Measurement

Compressive Strength (28 day) 3000 psi Water/Cement Ratio (maximum) 0.45 Aggregate Size (maximum) 1 inch

H. Admixture: A type that increases the workability and reduces the water demand of the concrete, the brand and amount used subject to the approval of the Contracting Officer and shown in respective mix designs. No admixture containing calcium chloride or salt shall be used.

1. Air Entrainment: ASTM C260, 5% plus or minus 1%

2. Chemical: ASTM C494

CAST-IN-PLACE CONCRETE Section 03 30 00-3

I. Limits: The allowable mix design tolerances shall not exceed one percent for cement and water, two percent for each aggregate, or one percent for aggregates weighed cumulatively.

A. Moisture-Retaining Cover: One of the following, complying with ASTM C171:

1. Waterproof paper.

2. Polyethylene film.

3. Polyethylene-coated burlap.

B. Liquid Membrane-Forming Curing Compound: ASTM C309. Use type 1 or 1-D clear cure compound.

C. For cold weather protection use curing blankets with a minimum 3.37 R value.

1.1 CONCRETE MIXING

A. Depending on local conditions, or with approval of the Contracting Officer, the methods of mixing may be limited to one of the following:

1. Batching at a Central Plant or “Ready Mixed Concrete” shall comply with requirements of ASTM

C94, and as specified herein.

2. Job Site Mixing: Mix materials for concrete in appropriate drum type batch mechanical machine mixer. For mixers of one cubic yard or smaller capacity, continue mixing at least 1-1/2 minutes, but not more than 5 minutes after ingredients are in mixer, before any part of batch is released.

3.1 EXAMINATION

A. Verify that anchors, plates, reinforcement and other items to be cast into concrete are accurately placed, positioned securely, and will not cause hardship in placing concrete.

3.2 MIXING AND HAULING

A. Batching and Mixing at a Central Plant Conforming to ASTM C94: The method herein contemplated is ordinarily referred to as “Ready-Mixed Concrete”, and may only be employed if the time interval between mixing at the plant and discharge into the forms does not exceed 90 minutes. This time limitation may be still further reduced when high ambient air temperature or the high temperature of the batch ingredients indicate a shorter time period is required. The mixture shall be agitated continuously from the time the truck is loaded until time of discharge.

B. Batching and Mixing at Site of Work: Concrete shall be mixed thoroughly in a batch mixer of approved type and capacity for a period of not less than 1-1/2 minutes after all component materials, including water, are in a drum, or as specified by the manufacturer of the mixer.

CAST-IN-PLACE CONCRETE Section 03 30 00-4

3.3 INSTALLATION OF EMBEDDED ITEMS

A. Secure or insert sleeves, bollards, posts, bolts, anchors, inserts, or other hardware in forms and be responsible for any and all changes in the position of such items after they have been set in forms.

3.4 CONCRETE PLACEMENT

A. Environmental Conditions:

1. Cold Weather Placing: When air temperature has fallen to or is expected to fall below 40 deg F, protect concrete work from physical damage or reduced strength which could be caused by frost, freezing actions, or low temperatures, in compliance with ACI 306R. Do not place concrete on frozen subgrade or subgrade containing frozen materials. Submit cold weather protection product data before concrete is ordered.

2. Hot Weather Placing: When air temperature is above or expected to be above 85 deg For weather conditions exist that would seriously impair quality and strength of concrete, place concrete in compliance with ACI 305R.

B. Preplacement Inspection: Before placing concrete, the Contracting Officer shall inspect and approve the complete installation for formwork, reinforcement, and items to be embedded or cast-in. Moisten wood forms immediately before placing concrete where form coatings are not used.

C. Placing Concrete:

1. Concrete shall be placed in such a manner as to avoid segregation but, in no case shall the concrete be dropped freely more than five feet. Deposit concrete as nearly as practicable to its final location to avoid segregation.

2. Concrete shall be placed continuously. If a section cannot be placed continuously, provide construction joints as herein specified. Deposit concrete in a manner to avoid inclined construction joints or the formation of seams or planes of weakness. When placement consists of several layers, place each layer while preceding layer is plastic to avoid cold joints.

3. Protect adjacent finish materials against spatter during concrete placement.

4. Consolidate placed concrete by mechanical vibrating equipment supplemented by hand-spading, rodding or tamping to provide a smooth void free surface against formwork.

5. Do not use vibrators to transport concrete inside forms or cause segregation of mix.

6. Ensure reinforcement, inserts, embedded parts, formed expansion and contraction joints are not disturbed during concrete placement.

7. Maintain records of concrete placement. Record date, location, quantity, air temperature, and test samples taken.

3.5 CONCRETE CURING AND PROTECTION

CAST-IN-PLACE CONCRETE Section 03 30 00-5

A. Immediately after placement, protect concrete from premature drying, excessively hot or cold temperatures, and mechanical injury. Concrete shall be cured for a minimum of 7 days by one of the following methods:

1. Provide moisture curing by keeping surface continuously wet by covering with water or water-fog spray, or absorptive cover.

2. Moisture-Retaining Cover: Place cover in widest practicable width with sides and ends lapped at least 3 inches and sealed by waterproof tape or adhesive. Immediately repair any holes or tears during curing period using cover material and waterproof tape.

3. Provide curing and sealing compound in accordance with manufacturer’s recommendations.

Recoat areas subjected to heavy rainfall within 3 hours after initial application. Maintain continuity of coating and repair damage during curing period.

4. Do not use plastic sheets or any curing products which discolor.

3.6 CONCRETE SURFACE REPAIRS

A. Surface repairs shall be made with cement mortar immediately after removal of forms, acceptable to the Contracting Officer. Repairs include filling in holes or openings left for other trades, after work of other trades is in place. Repairs include honeycombs, rock pockets, and void over ¼ inch in any dimension, holes left by ties, rods, and bolts, cracks in excess of 0.01 inch in concrete surfaces.

B. Remove defective areas to sound concrete with clean square cuts. Thoroughly clean, dampen with water, and brush-coat the area to be patched with an approved bonding agent. Place patching mortar after bonding compound has dried. Compact mortar and keep continuously moist for not less than 72 hours. Alternate repair methods are subject to approval by the Contracting Officer. If defects cannot be repaired to satisfaction of Contracting Officer, concrete shall be removed and replaced.

C. Correct high areas in slabs after cure period by grinding.

END OF SECTION 03 30 00

SITE CLEARING Section 31 10 00-1

SECTION 31 10 00 - SITE CLEARING

1.1 SUMMARY

A. This Section includes the following:

1. Protecting existing trees and vegetation to remain.

2. Removing trees, stumps, logs and other vegetation.

3. Clearing and grubbing.

4. Topsoil stripping, stockpiling and placement.

1.2 MATERIALS OWNERSHIP

A. Except for materials indicated to be stockpiled or to remain Government property, cleared materials shall become Contractor's property and shall be removed from the site and disposed of off National Forest Lands to an approved disposal site in accordance with local regulations.

1.3 PROJECT CONDITIONS

A. Traffic: Minimize interference with adjoining roads, streets, walks, and other adjacent occupied or used facilities during site-clearing operations. Do not close or obstruct roads, walks, or other occupied or used facilities without permission from Contracting Officer.

B. Salvageable Improvements: Carefully remove items indicated to be salvaged and stockpiled on

Government premises to location approved by Contracting Officer.

C. Notify utility locator service for area where project is located before site clearing.

1.4 MEASUREMENT AND PAYMENT

A. Measurement and payment for work performed under this section will be made under those pay items as listed in the Schedule of Items, and will constitute full compensation for all materials, labor, equipment, testing and incidentals necessary to complete the work as specified herein and AS SHOWN ON THE

DRAWINGS.

PART 2 – PRODUCTS (NOT USED)

3.1 PREPARATION

A. Provide erosion-control measures to prevent soil erosion and discharge of soil-bearing water runoff or airborne dust to adjacent properties and walkways, see Section 31 20 00, Earth Moving.

B. Locate and clearly flag trees and vegetation to be removed or to be relocated.

SITE CLEARING Section 31 10 00-2

C. Protect existing site improvements to remain from damage during construction.

1. Restore damaged improvements to their natural condition, as acceptable to Owner.

3.2 TREE PROTECTION

A. Do not excavate within drip line of trees, unless otherwise indicated.

B. Where excavation for new construction is required within drip line of trees, hand clear and excavate to minimize damage to root systems. Use narrow-tine spading forks, comb soil to expose roots, and cleanly cut roots as close to excavation as possible.

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

D. Provide protection for roots over 1-1/2 inch diameter cut during construction operations. Coat cut faces, with approval of the Contracting Officer, an acceptable coating formulated for use on damaged plant tissues for all cut roots to be exposed for more than 24 hours. Temporarily cover exposed roots with wet burlap to prevent roots from drying out; cover with earth as soon as possible.

3.3 CLEARING AND GRUBBING

A. Remove obstructions, trees, shrubs, stumps, grass, brush chips and other vegetation as required to permit installation of new construction. Trees may only be removed following the Contracting Officer written approval. Removal of existing trees shall include removing their stumps and roots within the drip line.

B. Burning of slash shall not be permitted at any time.

3.4 SITE IMPROVEMENTS

A. Remove existing above and below grade improvements as indicated and as necessary to facilitate new construction. Relocate those to remain AS SHOWN ON THE DRAWINGS or as designated by the Contracting Officer.

3.5 DISPOSAL

A. Remove surplus soil material, unsuitable topsoil, obstructions, demolished materials, and waste materials, including trash, debris, stumps and roots, and legally dispose of them off Government property in accordance with Section 01 74 19, Construction Waste Management and Disposal.

END OF SECTION 31 10 00

SITE IMPROVEMENTS Section 32 30 00 - 1

SECTION 32 30 00 – SITE IMPROVEMENTS

1.1 SCOPE: This Section includes the following:

A. Fabrication and installation of (2) single swing lightweight steel pipe gate and all apparatuses.

a. Two gates measure approximately 16’ and 14'. Additionally, Removal and disposal of (2) existing gates. See attached map for approximate locations. The final locations will be staked by the Contracting Officer Representative (COR) for the pre-bid meeting. It is the contractor’s responsibility to confirm all gate measurements at the pre-bid meeting.

B. Fabrication and installation of (2) double swing lightweight steel pipe gate and all apparatuses.

a. Two Laguna gates measure approximately 2 X 12’ (24’) and 2 X 10' (20'). See attached map for approximate locations. The final location will be staked by the Contracting Officer Representative (COR) for the pre-bid meeting. It is the contractor’s responsibility to confirm all gate measurements at the pre-bid meeting.

1.2 MEASUREMENT AND PAYMENT: Measurement for work performed under this section will be made under those pay items as listed in the Schedule of Items and will constitute full compensation for all materials, labor, equipment, testing and incidentals necessary to complete the work and provide a complete and operational gate for the site as specified herein and AS SHOWN ON THE DRAWINGS. Existing Gate Demo, Concrete footings and all signage is considered incidental to line item 32 30 00.

PART 2 – PRODUCTS

2.1 Steel gates and all components are to be constructed of Schedule 40 and Schedule 80 steel pipe AS SHOWN

ON THE DRAWINGS. After the gate is constructed, all welds completed and all exposed cuts shall be ground smooth, gate is to be powder coated white. Final gate posts locations shall be determined by the Contracting Officer Representative (COR).

SITE IMPROVEMENTS Section 32 30 00 - 2

2.2 Signs shall be provided by the contractor and shall be installed AS SHOWN ON THE DRAWINGS.

3.1 Steel Pipe Gate

a. Install gate AS SHOWN ON THE DRAWINGS.

b. Concrete shall be minimum 3000 psi in accordance with Specification 03 30 00, Cast-In-Place

Concrete.

c. Allow concrete to set a minimum of 7 days before hanging the gate on the gate post.

d. Remove all construction debris generated by the gate install in accordance with Section 01 74 00, Cleaning and Waste Management, prior to final approval.

3.2 Chain link gate, barb wire and all apparatuses shall be fully functional.

END OF SECTION 32 20 00