1240LT26R0008 Attachment 1 Specifications GAOA Idaho Airstrips PNF.pdf

USDA Forest Service | Idaho Airstrip Deferred Maintenance port Title

USDA Forest Service GAOA Idaho Airstrip Deferred Maintenance Backcountry Airstrips Statement of Work and Specifications

04.17.25

Prepared by CRS Engineers 4246 S. Riverboat Rd, Ste 200 | SLC, Utah 84123 O. 801.359.5565 | F. 801.359.4272

INTRODUCTORY INFORMATION 00 00 01 Title Page 00 00 30 Table of Contents 00 00 60 Section C

DIVISION 1 01 19 00 Mobilization

GENERAL REQUIREMENTS

DIVISION 2 02 41 00 Site Preparation and Selective Demolition

EXISTING CONDITIONS

DIVISION 3 03 30 00 Cast-In-Place Concrete

31CONCRETE

DIVISION 9 09 91 00 Painting

FINISHES

DIVISION 10 10 11 23 Information Board

SPECIALTIES

DIVISION 31 31 22 00 Grading

EARTH WORK 31 23 00 Excavation, Backfilling and Compaction

DIVISION 32 32 16 13.05 Belt Drain EXTERIOR IMPROVEMENTS 32 16 13.10 Open Top Drain

32 33 20 Site Tie Downs

DIVISION 33 33 34 10 Outhouse

UTILITIES 33 41 00 Culverts

DIVISION 34 34 43 13.04 Threshold & Boundary Markers

TRANSPORTATION 34 43 13.05 Segmented Circle 34 43 16.05 Vegetation Control 34 43 23.16 Wind Cone

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Section C

SECTION C

DESCRIPTION/SPECIFICATIONS/STATEMENT OF WORK

GENERAL SPECIFICATIONS

GAOA IDAHO AIRSTRIP DEFERRED MAINTENANCE BACKCOUNTRY AIRSTRIPS

1.1 SCOPE OF CONTRACT

A. This project includes maintenance items at three separate backcountry airstrips located within the Frank Church River of No Return Wilderness.

B. This work includes:

1. Cutting down trees and removing vegetation.

2. Demolition and construction of airplane tie downs, including new chains.

3. Construction of boundary and threshold markers on the runway, including removal/relocation and painting of said items.

4. Removal/relocation and construction of windsock structures and segmented circles, including painting of said items.

5. Construction of information boards.

6. Grading cut and fill to raise the airstrip above an existing culvert.

7. Construction of an outhouse.

8. Installation/replacement of belt drains within the airstrip runway, including the removal and disposal of belt drains.

9. Replacing of existing/missing chains at existing airplane tie downs.

10. Repairing top drains.

11. Removal/disposal of an existing culvert and installation of a new culvert.

12. Painting existing route markers and segmented circles.

C. Quantities associated with these options are identified in the Schedule of Items.

1.2 PROJECT LOCATIONS

1. Chamberlain: This airstrip is in the Payette National Forest, Idaho County, Idaho. GPS

Coordinates: 45.373261°, -115.197014°. It is located approximately 55 miles to the

Northeast of McCall, 65 miles to the Northwest of Salmon. It is only accessible via airplane, helicopter, or trails that are limited to hikes or stock.

2. Cold Meadows: This airstrip is in the Payette National Forest, Idaho County, Idaho. GPS

Coordinates: 45.293795°, -114.945370 °. It is located approximately 63 miles to the

Northeast of McCall, or 52 miles to the Northwest of Salmon. It is only accessible via airplane, helicopter, or trails that are limited to hikes or stock.

3. Cabin Creek: This airstrip is in the Payette National Forest, Valley County, Idaho. GPS

Coordinates: 45.143845°, -114.928739°. It is located approximately 60 miles to the

Northeast of McCall, or 50 miles West of Salmon. It is only accessible via airplane, helicopter, or trails that are limited to hikes or stock.

1.3 SITE INFORMATION AND LIMITATIONS

A. The following site conditions are considered incidental to the contract and the contractor will not be paid directly for any of the following items:

1. All work occurs inside the Frank Church River of No Return Wilderness. Contractor shall

Section C use non-motorized, non-mechanized equipment as detailed on sheet G-002 of the plans.

2. Contractor is allowed to close the airstrips between 10AM and 4PM, weekdays while working on Belt Drain removal and installation.

3. Cold Meadows airstrip will remain open to the public during culvert installation.

4. The Forest Service will notify the public and the Division of Aeronautics of construction activities and delays. The Contractor will be responsible for providing closing signage as indicated in the drawings and specifications.

5. All construction equipment shall be pressure washed before entering National Forest

System lands. The purpose is to reduce or eliminate the transportation of noxious weeds, which is required by Federal and State regulations.

6. Utilities are not available at the site for construction purposes.

7. Outhouse and dispersed campsites are available at each site.

1.4 TRAFFIC CONTROL AND CONSTRUCTION SIGNING

A. No work that endangers, interferes, or conflicts with traffic or access to work sites shall be performed until a plan for satisfactory warning and handling of traffic has been submitted by the contractor and approved by the COR and Idaho Department of Transportation.

Construction signing for traffic control shall conform to the Manual of Uniform Traffic Control

Devices (MUTCD). Contractor shall not be paid directly for this item, rather it will be considered incidental to other items of work listed in the Schedule of Items.

1.5 WORK CAMPS, STAGING AND STORAGE AREAS

A. Areas for staging operations and storage of materials shall be approved by the CO.

Contractor will be issued a camping permit allowing for extended camping at each airstrip during construction activities.

1.6 INSPECTION OF WORKSITE

A. The contractor acknowledges they have taken the necessary steps to ascertain the nature and location of work and have investigated and satisfied themselves as to the general and local conditions that can affect the work or its cost. Any failure of the contractor to take the actions described and acknowledged in this paragraph will not relieve the Contractor from the responsibility of estimating properly the difficulty and cost of successfully performing the work, or for proceeding to successfully perform the work without additional expenses to the government.

1.7 PERIOD OF PERFORMANCE

A. Spring 2026-Fall 2027.

B. Winter shutdown is typically October-May.

1.8 CONTRACT TIME

A. Base Bid: 515 Days

END OF SECTION

01 19 00 - Mobilization

SECTION 01 19 00

MOBILIZATION

PART 1 - GENERAL

1.1 SUMMARY

A. This item is intended to compensate the Contractor for operations including, but not limited to, those necessary for the movement of personnel, equipment, supplies, and incidentals to the project site; for payment of premiums for bonds and insurance for the project; and for any other work and operations which must be performed or costs that must be incurred incident to the initiation of meaningful work at the site and for which payment is not otherwise provided for under the contract.

1.2 MEASUREMENT AND PAYMENT

A. The measurement shall be lump sum for mobilization. Payment shall be as follows:

1. Bond premiums will be reimbursed after receipt of the evidence of payment.

2. 50% of the lump sum, not to exceed 5% of the original contract amount, will be paid following completion of 5% of the original contract amount not including mobilization and bond premiums.

3. Payment of the remaining portion of the lump sum, up to 10% of the original contract amount, will be paid following completion of 10% of the original contract amount not including mobilization and bond premiums.

4. Any portion of the lump sum in excess of 10% of the original contract amount will be paid after final acceptance.

5. Progress payments for mobilization and preparatory work shall be subject to retainage.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

01 19 00 - Mobilization

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02 41 00 - Site Preparation and Selective Demolition

SECTION 02 41 00

SITE PREPARATION AND SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Preparation, protection, clearing and grubbing, topsoil removal, Portland cement concrete removal, pipeline demolition and abandonment, removal of fences and miscellaneous obstructions, and disposal or salvage of waste materials.

1.2 RELATED WORK

A. Section 31 23 00 – Excavation, Backfilling and Compaction

1.3 SUBMITTALS

A. N/A

1.4 MEASUREMENT AND PAYMENT

A. Measurement: Measurement is by each tie down that is broken down.

B. Payment: Payment includes full compensation for all required labor, materials, tools, equipment, manufacturing, transportation, overhead and profit, and all incidental work required to break down existing tie downs as shown in the drawings and described in the specification.

C. Measurement: Measurement is per linear feet of belt drain that is removed and disposed.

D. Payment: Payment includes full compensation for all required labor, materials, tools, equipment, manufacturing, transportation, service and incidentals, permits, taxes, overhead and profit, excavation, removal, and disposal of materials of the belt drains as required by the Forest Service off site and all incidental work required to remove and dispose of the existing belt drains as shown in the drawings and described in the specification.

E. Measurement: Measurement is per linear feet of culvert that is removed and disposed.

F. Payment: Payment includes full compensation for all required labor, materials, tools, equipment, manufacturing, transportation, service and incidentals, permits, taxes, overhead and profit, excavation, removal, and disposal of materials of the culvert as required by the Forest Service off site and all incidental work required to remove and dispose of the existing belt drains as shown in the drawings and described in the specification.

G. Any other demolition is incidental to items in the Schedule of Items.

1.5 QUALITY ASSURANCE

A. All tree trimming and removal shall be done in accordance with Tree Care Industry Association (TCIA) standards and ANSI A300 Pruning Standard Practices.

B. Locate and preserve all active utilities which are to remain in service.

PART 2 - PRODUCTS

A. Not Used.

PART 3 - EXECUTION

3.1 PREPARATION

A. No clearing, demolition, or removal of any kind shall proceed until all existing trees, improvements, etc. to be removed have been established and are inspected and documented by the Owner.

B. Mark all trees, shrubs, structures, fences, concrete, and other improvements to be removed.

C. Trees, shrubs and lawn, areas to receive planting, rock outcroppings, fences and other improvements that are not to be removed shall be protected from damage or injury. If damaged or removed, they shall be restored or replaced in as nearly the original condition and location as is reasonably possible. Protect all trees, shrubs, and improvements that are not indicated to be removed on the Drawings or indicated to be protected by Owner.

D. Give reasonable notice to Owner to permit him to salvage plants, trees, fences and other improvements within the construction limits that may be destroyed because of the work.

E. Protect active utility systems adjacent to or uncovered by any excavation during site preparation.

F. Maintain benchmarks, monuments and other reference points and construction stakes.

3.2 CLEARING AND GRUBBING

A. Prior to construction, unsuitable soils and vegetation should be removed. Unsuitable soils consist of topsoil, organic soils, undocumented fill, loose or disturbed native soils, and other deleterious materials. All topsoil, uncontrolled fill, or other unsuitable soils should be removed completely. Remove all surface vegetation to a depth necessary for complete removal of all roots and other deleterious materials from within the areas to receive structural fill or base course.

B. Remove all perennial plants in the runway to a depth necessary for complete removal of all roots and recompact loose soil to equal or exceed the density of the surrounding material.

C. Any vegetation within the boundary markers shall not exceed 6” in height. Any vegetation exceeding 6” shall be cut/mowed.

D. Any vegetation within the clear zone exceeding 12” in height or having a trunk/stalk of more than 1/2” in diameter is to be cut down.

E. Clear all vegetation within 2 feet on all sides of boundary markers.

F. All slash shall be scattered outside the clear zone of the airstrip in a location approved by the

COR.

3.3 TOPSOIL REMOVAL

A. Before any construction activity begins, remove topsoil. Topsoil shall be stockpiled if it is to be re-used.

B. Stockpiled topsoil shall be protected from contamination by weeds, debris, etc.

3.4 PORTLAND CEMENT CONCRETE REMOVAL

A. Concrete tie downs to be broken down and dispersed at a location designated by the Forest Service..

3.5 PIPELINE DEMOLITION AND ABANDONMENT

A. General:

1. Abandoned pipelines not to be salvaged are considered as incidental excavation work.

2. Do not damage pipe or structures that remain in service or are to be salvaged for Owner.

B. Gravity Pipe Demolition:

1. Remove existing pipe and recompact fill to exceed or equal surrounding soil conditions.

3.6 FENCES AND MISCELLANEOUS OBSTRUCTIONS

A. No demolition or removal of fences or miscellaneous obstructions shall proceed until clearance is obtained from the Owner.

3.7 DISPOSAL OF WASTE MATERIALS

A. Salvage designated equipment and materials for the Owner.

B. Where salvage is not required as otherwise specified herein or as shown on the drawings, dispose of all removed materials at a suitable off-site location in accordance with applicable laws and ordinances.

C. No burning shall be allowed.

03 30 00 - Cast-In-Place Concrete

SECTION 03 30 00

CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. This section covers cast-in-place concrete, including formwork, reinforcement, concrete mixtures, and handling, placing and constructing for flatwork.

1.2 RELATED WORK

A. Section 31 23 00 – Excavation, Backfilling and Compaction

B. Section 32 33 20 – Site Tie Downs

C. Section 34 43 23.16 Wind Cone

1.3 MEASUREMENT AND PAYMENT

A. No separate measurement and/or payment will be made for this section. Payment shall be included with work shown in the schedule of items.

1.4 REFERENCES

A. ACI 301 – Structural Concrete (latest revision)

B. ACI 306 – Cold Weather Concreting (latest revision)

C. ACI 305 – Hot Weather Concreting (latest revision)

D. ACI 201.2R-01 – Guide to Durable Concrete (latest revision)

1.5 SUBMITTALS

A. Concrete mixtures

1. Mixture proportions and characteristics.

2. Method and test data used to establish mixture proportions.

3. Information on types, classes, producers’ names and plant locations for cementitious materials; types, pit or quarry locations, producers’ names, grading and properties required by ASTM C 33 for aggregates; types, brand names, and producer’s names for admixtures.

B. Handling, placing and constructing

1. If observation of concrete placement is required, the Engineer must be notified 1 week in advance of placement of concrete to arrange transportation to site.

2. When applicable or requested by the Engineer, hot weather or cold weather precautions must be submitted.

3. Proposed methods of curing.

4. Specification and data and methods of use for any proposed repair material.

C. Repair

1. Proposed repair methods, materials, and modifications to the Work.

2. Description of repair work performed to bring strength-deficient concrete into compliance with the Contract Documents.

3. Description of repair performed to being potentially nondurable concrete into compliance with the Contract Documents.

1.6 NOTICE TO PUBLIC

A. Follow laws and regulations concerning when and to whom notices are to be given at least two days before work starts.

B. Indicate when concrete work will take place.

C. Should work not occur on specified day, send a new notice.

PART 2 - PRODUCTS

2.1 FORMWORK AND FORMWORK ACCESSORIES

A. Form materials shall be faced with material which will produce smooth and uniform texture on concrete, unless indicated otherwise. Do not used material with raised grain, patches, or other defects which will impair the texture of the concrete surface.

B. Arrange facing material in a symmetrical manner, keeping number of seams to a minimum.

C. Form ties:

1. Use ties constructed so end fasteners can be removed without spalling concrete faces.

2. After end fasteners of ties have been removed, embedded portion of ties are to terminate not less than two times the diameter or thickness of the fasteners from formed faces of concrete, but in no case greater than ¾ inch.

3. When formed face on concrete is not exposed, form ties may be cut off flush with formed surfaces. Use ties with ¾ inch diameter cones on both ends or approved equal for water retaining structures.

D. Form release agents shall be a colorless material which will not stain concrete, absorb moisture, impair natural bonding or color characteristics of concrete.

2.2 CONCRETE MIXTURES

A. Normal-Weight Concrete: Prepare design mixes, proportioned according to ACI 301 as follows:

1. Minimum Compressive Strength: 5000 psi at 28 days

2. Maximum Water-Cementitious Materials Ratio: 0.45

3. Slump Limit: 5-inches, plus or minus 1-inch.

4. Air Content: Maintain within range permitted by ACI 301. Do not allow air content of floor slabs to receive troweled finished to exceed 3 percent.

B. Wilderness Site

1. Use quick-rete 5000 concrete mix bags or approved equal.

C. Concrete shall be air entrained to withstand severe exposure as described in ACI 301-05.

D. The ready-mix concrete production facility shall demonstrate that it meets the requirements of National Ready Mixed Concrete Association (NRMCA) certification.

2.3 HANDLING, PLACING AND CONSTRUCTING

A. Concrete curing compound shall bestyrene-acrulic, styrene butadiene, or alpha-methylstyrene conforming to ASTM C 1315, Type II Class A or B (white pigmented) or Type ID Class A (clear with fugitive dye). Comply with local, state and federal requirements for volatile organic compounds (VOCs).

PART 3 - EXECUTION

3.1 FORMWORK AND FORMWORK ACCESSORIES

A. Construction joints shall be as shown on the Project Drawings.

B. When removal of formwork or reshoring is based on concrete reaching a specified strength, it shall be assumed that concrete has reached this strength when either of the following conditions have been met:

1. When test cylinders, field-cured along with the concrete they represent, have reached the specified strength.

2. When concrete has been cured for the same maturity as the field-cured cylinders which reached specified strength as determined by the maturity method in ASTM C1074.

3.2 CONCRETE MIXTURES

A. In Wilderness areas, hand mixing of concrete is to be expected. Follow manufacturer’s directions for hand mixing and thoroughly clean the mixing area after placing the concrete.

B. Slump and air content shall be determined at the point of placement.

3.3 HANDLING, PLACING AND CONSTRUCTING

A. The subgrade for slabs-on-ground shall be constructed of the material and compacted to the density shown on the Project Drawings or as specified in Section 31 23 00 – Excavation, Backfilling and Compaction.

B. In cold weather, as defined in ACI 301-05, concrete shall be placed in accordance with ACI

306. Similarly, in hot weather, as defined in ACI 301-5, concrete shall be placed in accordance with ACI 305.

C. Do not place concrete slabs or other flatwork if wind is greater than 5 mph unless a wind break is provided.

D. The finish of formed portions of concrete work shall have a uniform surface appearance in color and texture. All formed work shall have a smooth form finish as defined in ACI 301.

E. All flatwork shall have a float with broom finish as defined by ACI 301.

09 91 00 – Painting

SECTION 09 91 00

PAINTING

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Finishing prepared surfaces which are to be coated in accordance with paint manufacturer's recommendations.

1.2 RELATED WORK

A. 10 11 23 – Information Board

B. 32 33 20 – Site Tie Downs

C. 33 34 10 – Outhouse

D. 34 43 13.04 – Threshold and Boundary Markers

E. 34 43 13.05 – Segmented Circle

F. 34 43 23.16 – Wind Cone

1.3 MEASUREMENT AND PAYMENT

A. Measurement: Measurement is by each route marker that is painted.

B. Payment: Payment includes full compensation for all required labor, materials, tools, equipment, manufacturing, transportation, service and incidentals, permits, taxes, import costs, overhead and profit, painting of route makers and all incidental work required to paint the route markers as shown in the drawings and described in the specification.

C. Other painting items are incidental to items in the Schedule of Items.

1.4 REFERENCES

Not used.

1.5 SUBMITTALS

A. Painting sample and product data for each paint/color to be used.

1.6 SAMPLES

A. Before proceeding with paint application, prepare 8 inches x 10 inches sample(s) of all paint systems on identical substrate materials on which the system will be applied.

B. Identify each sample as to surface preparation, paint system, color, product name and number, and manufacturer.

C. Colors to be selected by Forest Service prior to commencement of work.

D. Submit manufacturer's coating product data sheet for each coating type to be applied, prior to initiating surface preparation.

1.7 DELIVERY, STORAGE AND HANDLING

A. Deliver materials to job site in original, unopened packages and containers bearing manufacturer's name and label, and following information:

1. Name or title of material.

2. Federal specification number, applicable.

3. Manufacturer's stock number and date of manufacture.

4. Manufacturer's name.

5. Contents by volume, for major pigment and vehicle constituents.

6. Thinning instructions.

7. Application instruction.

8. Color name and number.

B. Provide adequate storage facilities. Store paint materials at minimum ambient temperature of 45 deg. F. in well ventilated area or as recommended by the manufacturer.

C. Take precautionary measures to prevent fire hazards and spontaneous combustion of paint material. Provide temporary fire extinguishers.

1.8 JOB CONDITIONS

A. Do not apply finishes when temperature exceeds manufacturer's maximum and minimum temperature allowable, nor in dust, smoke laden atmosphere, damp or humid weather.

B. Provide adequate continuous ventilation.

C. Adequately protect other surfaces from paint and damage. Repair damage.

D. Furnish sufficient drop cloths, shields and protective equipment to prevent spray or droppings from fouling surfaces not being painted and in particular, surfaces within storage and preparation area.

E. Place cotton waste, cloths and material which may constitute a fire hazard in closed metal containers and remove daily from site.

F. Remove fittings and fasteners, prior to painting operations. Carefully store, clean and replace on completion of work in each area. Do not use solvent to clean hardware that has permanent lacquer finish.

G. Post "Wet Paint" signs in freshly painted areas to reduce the potential for damage to the surfaces or damage to people passing the area.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Paint Accessory Materials: Linseed oil, shellac, turpentine and other materials not specifically indicated.

B. Paints:

1. Concrete: Low-luster acrylic latex paint

2. Rocks: Acrylic paint

3. Wood: Waterproofing stain and sealer

4. Metal:

a. Rusty Metal: Rust-Oleum 3369 / 3380 Anti-corrosion primer and 7300 Rust-Oleum Combicolor Smooth Metal Paint or approved equals.

b. Shiny Metal / Galvanized: Rust-Oleum 3302 Adhesion primer and 7300 Rust- Oleum Combicolor Smooth Metal Paint or approved equals.

C. Do not provide paints containing lead unless indicated otherwise.

PART 3 - EXECUTION

3.1 OBSERVATION

A. Forest Service manager shall examine surfaces prior to surface preparation and prior to application of each succeeding coating. Correct any condition that may potentially affect proper surface cleaning or coating application.

B. Correct defects and deficiencies in surfaces which may adversely affect work of this section before applying any paint.

3.2 PREPARATION OF SURFACES

A. General: Perform preparation and cleaning procedures per paint manufacturer's instruction and as herein specified, for each particular substrate condition. Program cleaning and painting so that contaminants from cleaning process will not fall onto wet, newly painted surfaces.

B. Aluminum Surfaces: Remove surface contamination from aluminum surfaces by steam, high pressure water or solvent washing. Coat surfaces with wash primer.

C. Asphalt or Bituminous Surfaces: Remove dirt, oil, grease and sand to provide adhesion key.

Apply compatible sealer or primer.

D. Rock Surfaces: Remove dirt, oil, grease and sand to provide adhesion key. Apply compatible sealer or primer.

E. Copper Surfaces: Remove contamination from copper surfaces by steam, high pressure water or solvent washing. Coat surfaces with wash primer.

F. Concrete, Concrete Block:

1. New Concrete: Do not start surface preparation until concrete has cured 30 days.

Remove contamination, sandblast or acid etch with 100 percent water soluble acid and rinse new concrete surfaces with clear water. Allow to thoroughly dry.

2. Remove dirt, loose mortar, scale, powder and other foreign matter from concrete and concrete block surfaces which are to be painted or to receive a clear seal. Remove oil and grease with a solution of tri sodium phosphate, rinse well and allow to thoroughly dry.

3. Remove stains from concrete and concrete block surfaces caused by weathering of corroding metals with a solution of sodium metasilicate after being thoroughly wetted with water. Allow to thoroughly dry.

4. Test for moisture before painting.

G. Steel Surfaces:

1. Remove grease, dirt and dust from steel and iron surfaces by solvent cleaning (SSPC SP1). Remove rust and mill scale by wire brushing, sandblasting (SSPC SP6) or other satisfactory method indicated. Ensure steel surfaces are satisfactory before paint finishing.

2. Sand and scrape shop primed steel surfaces to remove all loose primer and rust.

Feather out edges to make touch up patches inconspicuous. Clean surfaces with solvent. Prime bare steel surfaces including shop primed steels.

H. Wood:

1. Wipe off dust and grit from miscellaneous wood items and millwork prior to priming.

Sand wood to required smoothness. Spot coat knots, pitch streaks and sappy sections with sealer. Fill nail holes and cracks after primer has dried and sand between coats.

Back prime interior and exterior woodwork.

2. Remove dust, grit and foreign matter from exterior wood siding which is to receive paint finish. Seal knots, pitch streak and sappy sections. Fill nail holes with filler after prime coat has been applied.

3.3 PREPARATION OF MATERIAL

A. Mix and thin paint materials per manufacturer's product data sheets.

B. Store materials not in actual use in tightly sealed containers free from foreign particles.

C. Discard paints which have formed a film in the container or exceeded the manufacturer's recommended pot life.

D. Multiple component coatings shall be prepared using all the contents of the container for each component. Partial batches will not be permitted.

3.4 APPLICATION

A. Apply each coat at proper consistency and per the manufacturer's recommendations.

B. Make each coat of paint slightly darker than preceding coat unless otherwise approved.

C. Sand lightly between coats as required to achieve specified finish.

D. Do not apply finishes on surfaces that are damp or wet.

E. Ensure that edges, corners, welds, and other protrusions receive a dry film thickness equivalent to the flat surfaces.

F. Where clear finishes are required on wood ensure tint fillers match wood. Work fillers well into the grain before set. Wipe excess from the surface.

G. Backprime exterior woodwork which is to receive paint finish, with exterior primer paint.

H. Backprime interior woodwork, which is to receive paint or enamel finish, with enamel undercoat paint.

I. Backprime interior and exterior woodwork, which is to receive stain or varnish finish, with gloss varnish reduced 25 percent with mineral spirits.

J. Prime top and bottom edges of wood and metal doors with enamel undercoat when they are to be painted.

K. Prime top and bottom edges of wood doors with gloss varnish when they are to receive a stain or clear finish.

3.5 CLEANING

A. Section 01 74 13.

B. As work proceeds and upon completion, promptly remove paint where spilled, splashed or spattered.

C. During progress of work keep premises free from any unnecessary accumulation of tools, equipment, surplus materials and debris.

D. Upon completion of work leave premises neat and clean.

3.6 FIELD QUALITY ASSURANCE

A. Minimum Coating Thickness: Maintain minimum thickness recommended by manufacturer.

B. Appearance: Cloudiness, spotting, show through of subsurface, laps, brush marks and other surface imperfections will not be acceptable.

C. Rework: Areas not acceptable will be refinished to the required standards.

D. Holiday Testing: Metal surfaces shall be holiday tested for pinholes and missed areas in the coating. Recoat holiday areas.

E. Drying Time: Do not exceed drying time between coats.

10 11 23 Bulletin Board

SECTION 10 11 23

INFORMATION BOARD

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Section Includes: Bulletin board with sign panels.

1.2 REFERENCES

A. N/A

1.3 MEASUREMENT AND PAYMENT

A. Measurement: Measurement is by each information board constructed and installed.

B. Payment: Payment includes full compensation for all required labor, materials, tools, equipment, manufacturing, transportation, service and incidentals, permits, taxes, import costs, overhead and profit, excavation, fill, and compaction of the posts, painting wooden finishes, and all incidental work required to construct and install the information boards as shown in the drawings and described in the specification.

1.4 SUBMITTALS

A. Product Data.

PART 2 - PRODUCTS

2.1 PANEL KIOSK

A. 48” X 48” blank wood panel.

B. 4” X 4” pretreated lumber.

2.2 POSTS

A. 6” diameter X 10’ pretreated log post.

2.3 ASSEMBLY FIXTURES

A. 3/8” X 8” Galvanized lag screws.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Posts for the kiosk shall be dug down per the Engineers’ discretion of the following:

1. If only native backfill is used, each post for the kiosk shall be dug down 39” below the surface, and backfilled and compacted around the post.

2. If native backfill is used in tandem with gravel base, each post for the kiosk shall be dug down 30” with 4” of gravel placed below the post, 2” of gravel surrounding the base of the post, and the remaining area shall be backfilled and compacted around the post.

B. All backfill material shall be placed in 4” thick compacted lifts with the density equaling or exceeding the density of the surrounding soil.

C. Both the panel kiosk and sign panel shall be installed per manufacturers’ instructions.

31 22 00 – Grading

SECTION 31 22 00

GRADING

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. This section includes preparation, excavation and filling, disposal of excess excavated and waste materials, compaction, field quality control and protection for grading operations.

1.2 RELATED WORK

A. 03 10 00 Cast In Place Concrete

B. 33 23 00 Excavation, Backfilling, and Compaction

1.3 MEASUREMENT AND PAYMENT

A. Measurement: Measurement is by cubic yards of cut or fill material.

B. Payment: Payment includes full compensation for all required labor, materials, tools, equipment, manufacturing, transportation, service and incidentals, permits, taxes, import costs, overhead and profit, excavation, fill, and compaction and all incidental work required to cut or place fill to the desired depths as shown in the drawings and described in the specification.

1.4 REFERENCES

A. ASTM D698 - Standard Test Method for Laboratory Compaction Characteristics of Soil Using Standard Effort

B. ASTM D1557 (AASHTO T-180) – Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort

C. ASTM D2216 – Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock

D. ASTM D2922 – Standard Test Methods for Density of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth)

E. ASTM D3017 – Standard test Method for Water Content of Soil and Rock in Place by Nuclear Methods (Shallow Depth)

F. ASTM D3282 – Standard Practice for Classification of Soils and Soil-Aggregate Mixtures for Highway Construction Purposes

G. ASTM D3740 – Standard Practice for Minimum Requirements for Agencies Engaged in Testing and/or Observation of Soil and Rock as Used in Engineering Design and Construction.

1.5 SUBMITTALS

A. Submit evidence of materials conformance with applicable requirements as well as these Specifications, including the following:

1. For each non-structural fill product, submit name of supplier, source, CBR value and gradation.

2. For each structural fill material, submit name of supplier, source, CBR value, gradation, maximum laboratory dry density, optimum laboratory moisture content and laboratory compaction curve.

3. Upon Engineer’s request, submit a written quality control observations and testing report describing source and field quality control activities performed by Contractor and Supplier.

4. Contractor must submit details and methods for the equipment to be used in wilderness areas to show it is not motorized, non-mechanized, or meets exceptions to allow use.

1.6 QUALITY ASSURANCE

A. Comply with federal, state, and local codes and regulations.

B. All working conditions shall be in accordance with the "Idaho Occupational Safety and Health Standard for Construction".

1.7 STORAGE AND HANDLING

A. Stockpile excavated material to cause a minimum of inconvenience to public and provide for emergency services as necessary.

B. Provide free access to all existing structures and utilities.

C. Provide free flow of storm water in all conduits and natural water courses.

D. Utilize traffic control signs, markers and procedures in product storage and handling activities.

E. Separate differing materials, prevent mixing, and maintain optimum moisture content of backfill materials.

F. Promptly remove excess or waste material from site.

PART 2 - PRODUCTS

2.1 FILL MATERIALS

A. Structural Fill:

1. Shall not be lumpy or frozen.

2. Shall be free from large concentrations of alkali, salt, and petroleum products, all roots, sod, limbs, and other vegetative matter, slag, cinders, ashes and rubbish, or other material that in the opinion of the Owner is objectionable or deleterious.

3. A maximum particle size of 2 inches is required of structural fill placed in confined areas.

4. Moisture conditions at the time of placement shall be such the material used will be compactable to required specs.

5. Shall be approved by the Engineer prior to being used on the site of the work.

6. Stabilizing structural fill: Mixture of clean coarse gravels and cobbles.

B. Non-structural fill:

1. Shall not be lumpy or frozen.

2. Shall be free from large concentrations of alkali, salt, and petroleum products, all roots, sod, limbs, and other vegetative matter, rocks larger than 6 inches in diameter, slag, cinders, ashes and rubbish, or other material that in the opinion of the Owner is objectionable or deleterious.

3. Shall be either cohesive or granular.

PART 3 - EXECUTION

3.1 WILDERNESS AREA EQUIPMENT

A. Only non-motorized and non-mechanical equipment may be used.

1. All work shall be completed by hand tools such as shovels, buckets, hand tampers or horse drawn tools such as a tumblebug, fresno, slip scraper or stone-boat.

2. The use of excavators, dozers or related equipment is not allowed.

3. The use of battery powered tools and generators is not allowed.

4. Any exceptions to the non-motorized, non-mechanical rule can only be approved with a “minimal requirements analysis”.

a. A wheeled horse drawn grader has been previously approved under this process and may be used.

b. The forest service does not plan to approve more exceptions for this project.

B. Planes and helicopters may be used to access the site and deliver and remove materials.

3.2 PREPARATION

A. Obtain necessary permits required for grading.

B. Trees, shrubs and lawn, areas to receive planting, rock outcroppings, fences, and other improvements that are not to be removed shall be protected from damage or injury. If damaged or removed, they shall be restored or replaced in as nearly the original condition and location as is reasonably possible.

C. Establish the location and extent of all underground utilities. Protect active utility systems adjacent to or uncovered by any excavation during site grading. Maintain, re-route or extend as required, existing ditches, pipelines or utility lines to remain which pass through the construction limits. Pay costs for this work. Accurately locate and record abandoned, and active utility lines re-routed or extended, on Project Record Documents. Contact Owner about any utility locations.

D. Maintain benchmarks, monuments and other reference points.

E. Appropriate traffic control devices shall be provided in accordance with federal, state or local regulations to regulate, warn, and guide traffic at the work site.

F. Do not commence earth-moving operations until temporary site fencing and erosion- and sedimentation-control measures specified in Sections 01 57 00 – Construction Facilities and Temporary Controls are in place.

G. All work shall be performed so as to insure the least possible interference with the public convenience.

3.3 EXCAVATION AND FILLING

A. Refer to specification 33 23 00.

3.4 DISPOSAL OF EXCESS EXCAVATED AND WASTE MATERIALS

A. Remove waste material, unacceptable excavated material, surface and sub-surface vegetation, trash and debris and dispose of it off Owner's property in accordance with all applicable laws and ordinances.

B. Excess excavated material shall be disposed of at the site shown on the Drawings. When quantity shown has been exceeded, dispose of excess excavated material off Owner's property in accordance with all applicable laws and ordinances.

3.5 COMPACTION REQUIREMENTS

A. Layer Placement: Placement shall be in horizontal layers not exceeding 6 inches prior to compaction except when the material contains rock more than 3 inches in diameter, in which case layers may be of sufficient thickness to accommodate the material involved. A hand tamper or equivalent equipment shall be used the full width of each layer until visible deformation of the layer ceases.

1. Compaction equipment shall be capable of obtaining compaction requirements without detrimentally affecting the compacted material. The compacting units may be hand tampers or equivalent equipment, provided they are capable of compacting each lift of material as specified and meet the minimum requirements contained herein.

B. Where layer of soil material to be compacted must be moisture conditioned before compaction, uniformly apply water to surface of layer of soil material, to prevent free water appearing on surface during or subsequent to compaction operation.

C. Remove and replace, or scarify and air dry, soil material that is too wet to permit compaction.

Soil material that has been removed because it is too wet to permit compaction may be stockpiled or spread and allowed to dry. Assist drying by discing, harrowing, or pulverizing until moisture content is reduced to a satisfactory value.

3.6 PROTECTION

A. Protect newly graded areas from traffic and erosion. Keep free of trash and debris.

B. Repair and re-establish grades in settled, eroded, and retted areas to specified tolerances.

C. Where completed compacted areas are disturbed by subsequent construction operations or adverse weather, scarify surface, reshape, and compact to required density prior to further construction.

D. Where settling is measurable or observable in excavated or filled areas during general project warranty period, remove surface (pavement, lawn, or other finish), add structural fill material, compact to required specifications, and replace surface treatment. Restore appearance, quality, and condition of surface or finish to match adjacent work and eliminate evidence of restoration to greatest extent possible.

31 23 00 - Excavation, Backfilling and Compaction

SECTION 31 23 00

EXCAVATION, BACKFILLING AND COMPACTION

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. This section includes preparation, excavation, backfilling, compaction, dewatering and/or runoff control measures, trench shoring, restoration of existing facilities damaged or displaced as a result of the work of the project, clean up, protection and maintenance.

1.2 RELATED WORK

A. N/A

1.3 MEASUREMENT AND PAYMENT

A. No separate measurement and/or payment will be made for this section. Payment shall be included with work shown in the schedule of items.

1.4 REFERENCES

A. The applicable provisions of the latest editions of the References listed below shall govern the Work covered under this Section, unless there is a conflict between said References and the requirements of this Section. In the case of such a conflict, the requirements of this Section shall apply.

B. Idaho Occupational Safety and Health Administration (IOSHA).

C. American Association of State Highway and Transportation Officials (AASHTO):

D. American Society for Testing and Materials (ASTM)

E. American Public Works Association (APWA)

1.5 SUBMITTALS

A. Submit evidence of materials conformance with applicable requirements as well as these specifications.

1.6 QUALITY ASSURANCE

A. Comply with federal, state, and local codes and regulations as applicable. Permits shall be obtained and paid for by the Contractor.

B. All working conditions shall be in accordance with the "Idaho Occupational Safety and Health Division", Safe Practices for Excavation & Trenching Operations, latest edition, or other Laws or Regulations which apply.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Materials suppliers shall provide, upon request, verification of a consistent record of meeting or exceeding materials or performance standards as specified herein.

2.2 FOUNDATION MATERIALS

A. All foundation materials shall be free from alkali, salt, and petroleum products, roots, sod, limbs, and other vegetative matter, slag, cinders, ashes and rubbish, or other material that in the opinion of the Owner may be objectionable or deleterious.

B. Undisturbed soil foundation material:

1. Shall be natural trench bottom soil unless unable to adequately support pipe or structures.

2. Shall not be lumpy or frozen.

2.3 BACKFILL MATERIALS

A. Granular backfill:

1. Shall be readily compactable and shall be free from alkali, salt, and petroleum products, roots, sod, limbs, and other vegetative matter, slag, cinders, ashes and rubbish, or other material that in the opinion of the Owner may be objectionable or deleterious.

B. Excavated Soil Backfill Material:

1. Shall be free from alkali, salt, and petroleum products, roots, sod, limbs, and other vegetative matter, slag, cinders, ashes and rubbish, or other material that in the opinion of the Owner may be objectionable or deleterious.

2. Shall be select material from excavation, with no particle larger than 4 inches in diameter.

3. Use on-site materials only if specified compaction requirements can be met.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Review all available drawings, notes, and information on the location of these underground lines and structures in determining the location of the existing facilities.

B. Mark and locate all utilities prior to excavation.

C. All fences removed for excavation shall be returned to their original condition except that damaged portions will be replaced with new fencing at the Contractor's expense.

D. Obtain all required permits.

3.2 METHODS AND PROCEDURES

A. General Requirements

1. All gas, sanitary sewer, storm drain, water and other pipelines, flumes and ditches of metal, wood or concrete, underground electrical conduits and telephone cable, and all walks, curbs, and other improvements encountered in excavating trenches carefully shall be supported, maintained and protected from injury or interruption of service until backfill is complete and settlement has taken place.

2. If any existing facility is damaged or interrupted, promptly after becoming aware thereof and before performing any Work affected thereby except in an emergency, identify the owner of such existing facility, and give written notice thereof to that owner and the Owner. Indemnify the Owner and Engineer from any and all damages resulting from damaged facilities.

3. All damage, injury or loss resulting from lack of adequate sheeting, bracing, and shoring shall be the responsibility of the Contractor; and the Contractor shall effect all necessary repairs or reconstruction resulting from such damage.

4. The trenches shall not be backfilled until the utilities systems as installed conform to the requirements of the Drawings and Specifications. Where, in the opinion of the Owner, damage is likely to result from withdrawing sheeting, the sheeting shall be left in place.

5. Trenches shall be backfilled to the proper surface with material as shown or specified.

Trenches improperly backfilled shall be reopened to the depth required for correction, then refilled and compacted as specified, or the condition shall be otherwise corrected as approved.

6. Care shall be exercised so that when backfilling is complete and settlement has taken place, all existing pipes, flumes, ditches, conduits, cables, walks, curbs, and other improvements will be on the same alignment and grade as they were before work commenced.

7. Compaction shall be the responsibility of the Contractor. Select the methods to be used and carefully perform the work of backfilling and compaction so as to prevent damage to new or existing utilities. Any new or existing utilities damaged during the Contractor's work shall be replaced as directed by the Owner.

3.3 INSTALLATION

A. Excavation

1. Excavation for pipe lines, concrete valve boxes, manholes, vaults and appurtenant structures shall include the work of removing all earth, sand, gravel, quicksand, stone, loose rock, solid rock, clay, shale, cement, hardpan, boulders, and all other materials necessary to be moved in excavating the trench for the pipe. Maintain the excavation by shoring, bracing, and sheeting or well pointing to prevent the sides of the trench from caving in while pipe laying is in progress and remove sheeting from the trench after pipe has been laid.

2. Trench support system shall be suitable for the soil structure, depth of cut, water content of soil, weather conditions, superimposed loads, vibration. Select one of the following methods of ensuring the safety of workers in the trench, as approved by OSHA or its safety inspectors:

a. Sloping sides of trench to the angle of repose at which the soil will remain safely at rest.

b. Shoring trench sides by placing sheeting, timber shores, trench jacks, bracing, piles, or other materials to resist pressures surrounding the excavation.

c. Using a movable trench box built-up of steel plates and a heavy steel frame of sufficient strength to resist the pressures surrounding the excavation.

Trenches shall be of the necessary width for proper laying of culvert. Care shall be taken not to over-excavate. The bottom of the trenches shall be accurately graded to provide uniform bearing and support for each section of the pipe along the entire length of the culvert.

3. Trenches shall be excavated to the depths shown on the Drawings, including any required allowances for the sewer rock foundation, when required, and for other pipe bedding requirements.

4. Minimum cover over the top of the pipe, including any paving, shall be as follows:

a. As indicated in the Drawings.

5. Grading of trenches shall be performed to avoid interference with other underground utilities and structures:

6. Excess materials shall be hauled away from the construction site or otherwise disposed of by the Contractor as approved by the Owner.

B. Backfilling

1. Materials for backfill shall be as shown on the Drawings.

2. Each lift shall be evenly spread and moistened or dried by disk harrowing or other means so that the required density will be produced.

3. Backfill around valves, vaults and appurtenances with granular backfill material.

C. Compaction

1. Backfill Compaction Requirements:

a. Density shall equal or exceed surrounding material.

D. Dewatering

1. The Contractor shall do all pumping, build all drains and do all the work necessary to keep the trench and culvert free from water during the progress of the work.

3.4 PROTECTION

A. Provide barricades and restrict access as appropriate to prevent damage to Work in place.

B. Contractor shall be responsible for protection of Work in place against displacement, damage, or loss until Owner’s acceptance. Any work subsequently damaged, lost or displaced shall be repaired or replaced to the Owner’s satisfaction at no additional cost to the Owner.

3.5 CLEANING

A. Thoroughly clean, rake, wash, flush or sweep as required to clean adjacent improvements of materials covered as part of this Work prior to submitting for Owner’s acceptance.

B. Contractor shall provide all labor, equipment, materials and other items as required to perform clean up as required by the Owner, adjacent property owners and other jurisdictions.

C. Finish grading of areas affected by this Work shall be required as part of clean up.

D. Slopes, ditches, and borrow pits shall be smoothly trimmed, and shaped by satisfactory methods, to the lines, grades and cross-sections, as established, and shall be so maintained until accepted. Any surplus material not suitable for spreading along the runway to raise the grade shall be disposed of as specified above.

32 16 13.05 – Belt Drain

SECTION 32 16 13.05

BELT DRAIN

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. A set of guidelines provided for the materials to be used for the installation of a belt drain.

1.2 RELATED WORK

A. N/A

1.3 MEASUREMENT AND PAYMENT

A. Measurement: Measurement is by linear feet.

B. Payment: Payment includes full compensation for all required labor, materials, tools, equipment, manufacturing, transportation, service and incidentals, permits, taxes, import costs, overhead and profit, excavation, fill, and compaction of the belt drains, and all incidental work required to construct and install the belt drains as shown in the drawings and described in the specification.

1.4 REFERENCES

A. Recommendations from 150-5340-30J (Airport Design)

1.5 SUBMITTALS

A. Product data of treated lumber.

PART 2 - PRODUCTS

A. Treated lumber

1. 2”×8” minimum.

2. Rough sawn No. 2 or better

B. Conveyor belt

1. 12” width with 7/16” thickness

2. 4 ply minimum.

C…