GAOA Tanis Mesa Specs 100pct Set v2 cj.pdf

United States Forest Service

Specifications Square Log Cabin

15’x17’ Single Story March 2023

PART 1 - THE SCHEDULE

SECTION B - SUPPLIES OR SERVICES AND PRICES/COSTS

GAOA Yakutat Cabin Maintenance: Tanis Mesa Cabin Replacement Yakutat Ranger District, Tongass National Forest Yakutat, Alaska

B.1 SCHEDULE OF ITEMS

NOTE: Offerors must provide an offer on ALL ITEMS

PAY DESCRIPTION METHOD OF EST. UNIT TOTAL

ITEM MEASUREMENT* QTY. UNIT PRICE AMOUNT

BASE BID ITEMS:

Mobilization LS 1 EA $ $___________

Demolish and remove existing Tanis LS 1 EA $ $___________ Mesa Cabin.

Tanis Mesa Cabin Replacement LS 1 EA $ $___________

TOTAL BASE BID PRICE $

* METHOD OF MEASUREMENT: LS = LUMP SUM QUANTITIES; UNIT: EA=EACH

BIDDER: __________________________________ PHONE: ______________________________________

BY:

(Signature) (Title) (Date)

OFFEROR MUST ALSO COMPLETE "OFFER" PORTION ON PAGES 2 & 3 OF STANDARD FORM 1442

SECTION C - DESCRIPTION/SPECIFICATIONS/WORK STATEMENT

GAOA Yakutat Cabin Maintenance: Tanis Mesa Cabin Replacement

Yakutat Ranger District, Tongass National Forest Yakutat, Alaska

C.1 PROJECT DESCRIPTION AND LOCATION

(a) Description:

This project is for the replacement of one recreation cabin at Tanis Mesa. Major work items under Base Bid for this contract include the demolition of the existing Tanis Mesa Cabin, a 60’ long A-Frame, constructing one single story 15’x17’ square log cabin and associated site work, such as, constructing the front deck, ramp, stairs, heating system, and foundation. All other existing structures at Tanis Mesa to remain.

(b) Location and Facilities: The project site for Base Bid work is located at Tanis Mesa (59°14'49.56"N, 138°30'11.22"W). This site is approximately 45 miles SE of Yakutat, AK. Access to the Base Bid project site is via helicopter or bush plane; airstrip at cabin site.

There are no utilities at any project site. Cell phone service is not available at Tanis Mesa. Yakutat is the nearest community and is accessible by scheduled jet service, barge, and the Alaska Marine Highway ferry system.

(c) Price Range: $250,000 – $500,000

(d) Pre-bid Tour: None scheduled.

(e) Period of Performance: See Part I, Section F, Clause 52.212-3. Work at the project sites shall start after April 22, 2023 and shall be completed by September 1, 2024.

The Contractor shall begin new cabin construction operations following CO approval of design, material, and fabrication submittals, and shall proceed diligently until completion.

The Contractor shall:

1) assume responsibility for all work until final acceptance, including periods of suspended work.

2) protect the work against injury, loss, or damage from all causes, whether arising from the execution or nonexecution of the work; and

3) rebuild, repair, restore, and make good all losses, injuries, or damages to any portion of the work.

This includes losses, injuries, or damages caused by vandalism, theft, and weather that occur during the contract.

(f) Government-Furnished Property:

1) One Nordic Diesel Stove.

2) One Fuel Tank

C.2 TECHNICAL SPECIFICATIONS

(a) The technical specifications included in Section J are hereby made part of this solicitation and any resultant contract.

(b) The following specifications (including Region 10 Specifications and Special Project Specifications) are hereby made a part of this solicitation and any resultant contract:

C.3 Special Project Specifications included in full text in Section J are as follows:

DIVISION 1 - GENERAL REQUIREMENTS

011100 SUMMARY OF WORK

013300 SUBMITTALS

014000 QUALITY ASSURANCE AND QUANTITY MEASUREMENT

014200 TERMS, ABBREVIATIONS, ACRONYMS, AND DEFINITIONS

015700 EROSION CONTROL

017113 MOBILIZATION

DIVISION 2 - SITE CONSTRUCTION

022300 SITE CLEARING AND GRUBBING

024100 DEMOLITION AND REMOVAL

DIVISION 3 - CONCRETE

03100 CONCRETE FORMS AND ACCESSORIES

03200 CONCRETE REINFORCEMENT

03300 CAST-IN-PLACE CONCRETE

DIVISION 5 - METALS

05500 METAL FABRICATIONS

DIVISION 6 - WOOD AND PLASTICS

06050 FASTENERS AND SUPPORTS

06100 ROUGH CARPENTRY

06181 GLUED-LAMINATED STRUCTURAL UNITS

06200 FINISH CARPENTRY

DIVISION 7 - THERMAL AND MOISTURE PROTECTION

07412 PREFORMED METAL ROOFING

07610 SHEET METAL FLASHINGS AND TRIM

07900 JOINT SEALERS

DIVISION 8 - DOORS AND WINDOWS

08211 FLUSH FIBERGLAS DOOR

08550 VINYL WINDOW

08710 DOOR HARDWARE

DIVISION 9 - FINISHES

09625 RESILIENT FLOORING

09930 STAINING AND TRANSPARENT FINISHING

DIVISION 10 - SPECIALTIES

101400 SIGNS

103050 MANUFACTURED STOVES

DIVISION 13 - SPECIAL CONSTRUCTION

13005 LOG PRESERVATION TREATMENT

312000 EXCAVATION AND EMBANKMENT

C.3 DEFINITION

Contracting Officer (CO): an official of the Government with the authority to enter into, administer, and terminate contracts and make related determinations and findings. The term includes certain authorized representatives of the CO acting within the limits of their authority as delegated by the CO.

Figure 1: Existing Tanis Mesa Cabin (to be demolished & removed)

Figure 2:GAOA Yakutat Cabin Maintenance Project Location

Figure 3: Tanis Mesa Cabin Replacement Project Site

Figure 4: Tanis Mesa Site Layout

MEAT

SHED

EXISTING

CABIN

OUTHOUSE

AIRSTRIP

APPROX. NEW

CABIN LOCATION

SECTION 00015

LIST OF DRAWINGS

PART 1 - DRAWING SET

SH1 TITLE SHEET

SH2 FLOOR PLAN/SCHEDULES

SH3 ELEVATIONS

SH4 FOUNDATION/FLOOR FRAMING PLAN

SH5 FOUNDATION DETAILS

SH6 STAIRS, DECK, & RAMP DETAILS

SH7 BUNK

SH8 TABLE

SH9 BENCH

SH10 COUNTER

SH11 SHELVING

END OF LIST OF DRAWING

Prototypical Square Log Cabin Alaska

SECTION 01110

SUMMARY OF WORK

US FOREST SERVICE 01110 - 1

SECTION 011100

SUMMARY OF WORK

PART 1 - GENERAL

1.01 DESCRIPTION

A. BASE BID: Furnish and install one cabin kit including all materials necessary to assemble a finished cabin. Furnish materials for cabin, foundation, deck, ramp, heating system, and furniture. Furniture includes counter, shelving, bunks, table, and benches as shown on the drawings.

• Provide shop drawings, construction details, assembly instructions and other submittals, to CO for approval which illustrate all aspects of the proposed cabin design and assembly procedure. The submittal for review and approval of the Government will be made prior to ordering materials for the cabin kit.

• Base the submittals upon the attached drawings for a standard Forest Service cabin, with modifications made where necessary to accommodate design requirements specific to the Contractor's methods of construction. All suggested modifications to the standard Forest Service cabin plans are subject to review and approval by the Government.

• The design will comply with all applicable building codes and the layout will meet the Americans with Disabilities Act (ADA) and Architectural Barriers Act (ABA) Accessibility Guidelines, as published by the United States Access Board, July 23, 2004.

• Provide a work plan, to CO for approval, that describes all aspects of the proposed construction. The work plan will include a proposed timeline and must be approved prior to start of work.

PART 2 - PRODUCTS

2.01 DEFINITIONS

A. "Material" includes all lumber, windows, doors, hardware, fasteners, millwork, roofing, flooring, etc., precut to the extent feasible, and ready for erection.

2.02 CABIN DESCRIPTION

A. This section describes the cabin elements that are included in this contract.

B. Cabin Configuration

1. T&G Timbers, Alaska Yellow Cedar (preferred), Alaska Cedar (acceptable), Western Red Cedar (acceptable)

C. Forest Service Cabin Design Type (Contracting Officer to select type)

1. X 15'x17' Cabin

2. 16'x20' Cabin

D. Cabin flooring (Contracting Officer to select type )

1. X Simpson SkidGuard High Density Overlay (HDO) Plywood

SECTION 01330

SUBMITTALS

Prototypical Square Log Cabin

01330 - 1 US FOREST SERVICE

2. 2x6 T&G SPF (Spruce, Pine or Fir)

E. Fiberglass Door Style (Contracting Officer to select type)

1. Standard

2. Dutch

3. X Window in top half of door

F. Exterior Deck Material (Contracting Officer to select one)

1. X Composite Exterior Planks (i.e. Trex, Fiberon, Timbertech, Fibergrate, etc..)

2. Alaska Yellow Cedar

G. Skylight (optional, Contracting Officer to select quantity)

1. _NO_(yes/no)

H. Roof Color (Contracting Officer to select one )

1. Forest Green

2. X Brown

I. Insulation (Contracting Officer to select both)

1. x Floor insulation, with a given R-value of R-20 (equivalent to 4” XPS foam board)

2. X Ceiling insulation, with a given R-value of R-20 (equivalent to 4” XPS foam board)

PART 3 - EXECUTION

3.01 PREPARATION OF MATERIALS FOR SHIPMENT

A. Palletize or otherwise contain all materials to allow for handling with a forklift.

B. Package all materials to protect from damage, including inclement weather.

C. Itemize the contents of each pallet. Include the itemized list with the order. Pallet Packing list should be attached in weatherproof envelop attached to exterior of each palletized package.

3.02 FOB DELIVERY POINT

A. City: Yakutat , Alaska

B. Physical Address:

END OF SECTION

SECTION 017113

MOBILIZATION

US FOREST SERVICE 014200 - 1

SECTION 013300

PART 1 – GENERAL

1.01 DESCRIPTION

A. Major submittal items include:

1) Cabin shop drawings based on the provided design drawings and specifications for the purpose of establishing the final specifications for:

a. Quality assurance;

b. Design configurations;

c. Performance standards;

d. Materials, color, texture, finish;

e. Other features necessary for a complete description of the Work to be performed.

Cabin shop drawings and specifications approved by the CO during performance of this contract shall supersede any conflicting government-supplied design specifications for same structures.

Note that a cabin “kit” meeting specified design requirements may be acceptable.

2) Erosion and Sedimentation Control Plan (ESCP) per Section 015700.

3) Product certifications of type, quality, and color as specified herein.

4) Sign submittal per Section 101400.

5) Camping plan if required.

Submittals shall be approved by the Contracting Officer. The Contractor shall not purchase, order, ship, install, or otherwise incur costs for a product or other work subject to submittal approval until after approval is granted by the Contracting Officer. The government shall not be responsible for payment for any work, product, design, etc., not approved.

Rejection of any submittal by the Contracting Officer constitutes notice that a resubmittal is required for the same purpose; rejections shall be explained.

PART 2 – PRODUCTS

2.01 STAMPED SHOP DRAWINGS

A. Within sixty (60) calendar days of receipt of Notice to Proceed, the Contractor shall submit to the Contracting Officer two copies of shop drawings, structure calculations and other instructions for review. These submissions shall clearly illustrate, at minimum, the following:

1) Scaled drawings showing the elevation views of each side of each structure and associated elements (decks, porch, etc.).

2) Scaled drawings of floor plans.

3) Scaled drawings of foundation plan and floor framing plan.

4) A complete list of materials to be supplied by the Contractor.

5) Manufacturer’s specification sheets for all products and materials including windows, doors, roofing, and insulation.

6) Assembly instructions and construction detail drawings for all cabin elements such as walls, SECTION 01330

Prototypical Square Log Cabin

01330 - 1 US FOREST SERVICE

window installations, foundation, insulation, deck, ramp, and roofing with roof supports, etc.

7) Structural design values

8) Structural calculations

9) Proposed method of shipment and delivery date.

B. The contractor's proposed shop drawings shall conform substantially to the conceptual Drawings provided by the Government, however, the contractor's proposed interior cabin wall dimensions may be increased slightly to conform to kit requirements if a cabin kit is proposed. If cabin width increases, propose a matching width increase for front deck. Proposed variations shall be highlighted in the proposed shop drawing submittal.

C. All proposed variations shall conform to applicable building codes.

D. Special Project Specifications provided by the government associated with construction of cabin, are for design reference only unless specifically incorporated into contractor’s stamped drawings and specifications and approved by CO. Approved shop drawings and specifications shall take precedence over design drawings and specifications provided by the Government.

If discrepancies in design direction are found between government-provided design drawings, and specifications, resolve such issues in submittals and highlight for discussion and approval.

E. Shop drawings shall bear the stamp of an Alaska registered Architect or Professional Engineer.

Calculations shall be prepared and stamped by a Professional Engineer licensed in the state of Alaska.

F. The Government shall review the submittal and within 21 calendar days provide a written response to the contractor outlining any corrections to the proposed working drawings. The Contractor shall then have 14 calendar days to submit the corrected shop drawings to the Contracting Officer for approval. Approval of the shop drawings will constitute the Contractor's Notice to Proceed.

2.02 MATERIALS AND SITE LAYOUT

A. Prior to ordering materials and beginning site work the contractor shall submit or stake the following for approval:

1) Submit for approval sign manufacturer’s scaled drawing for cabin identification sign as described in Section 101400.

2) Submit manufacturer’s color samples for all products where color choices are available, such as roofing, windows, doors, and other products identified in the specifications. A computer image or paper printout from an online source will not be accepted.

3) Submit all material and product certifications as required in project specifications for trail construction materials such as aggregate gradation sheet and results of concrete testing. See Drawings for specifications and requirements related to Metal Stairs.

4) Identify for approval all areas proposed for disposal of unsuitable materials from clearing and grubbing, out of sight of cabin, as described in Section 311000 Clearing and Grubbing.

B. The Government shall review submittals and staking within 7 working days and provide a response to the contractor.

PART 3 – NOT USED

SECTION 017113

AW

SECTION 014000

QUALITY ASSURANCE AND QUANTITY MEASUREMENT

A. Work includes providing certification that the quality and quantity of construction conform to the drawings, specifications, and requirements of the contract.

1.02 MEETINGS AND APPROVALS

A. Scheduling. For all meetings and coordination listed below and elsewhere in the Specifications, provide 5 working days’ notice of proposed schedule so the Government may coordinate response.

2.01 MATERIALS

A. Offsite-Produced Materials and Submittals. Furnish signed certificates executed by the manufacturer, supplier, or vendor, stipulating that all offsite-produced materials incorporated in the work meet applicable requirements. Furnish a certificate for each commodity or invoice. Examples are framing hardware and connectors, manufacturer’s wood treatment certification, certification of lumber grade, aggregate gradation, etc.

B. Quantity Measurements. Submit quantities to the CO for periodic progress payments. Quantities are subject to verification.

SECTION 017113

SECTION 014200

TERMS, ABBREVIATIONS, ACRONYMS, AND DEFINITIONS

1.01 TERMS

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

Wherever “directed,” “required,” “prescribed,” or similar words are used, the “direction,” “requirement,” or “order” of the CO is intended. Similarly, wherever “approved”, “acceptable”,” suitable”, “satisfactory”, or similar words are used, they mean “approved by,” “acceptable to,” or “satisfactory to” the CO. The word “will” generally pertains to decisions or actions of the CO. Whenever in these specifications, or in other contract documents, the following terms (or pronouns in place of them) are used, the intent and meaning shall be interpreted as follows: reference to a specific standard, test, testing method, or specification shall mean the latest published edition or amendment that is in effect at the solicitation issue date for the public works contracts.

1.02 ABBREVIATIONS AND ACRONYMS

AASHTO American Association of State Highway and Transportation Officials AQ Actual Quantities ASTM American Society for Testing and Material AWPA American Wood Preservers Association AYC Alaska Yellow Cedar CL Centerline CO Contracting Officer DQ Design Quantities EA Each FFE Finished Floor Elevation HR Hour LF Linear Feet LS Lump Sum LSQ Lump Sum Quantities MW Miscellaneous Work NW No Work NBS National Bureau of Standards PS Product Standard issued by the U.S. Department of Commerce SHT Sheet WCLIB West Coast Lumber Inspection Bureau WWPA Western Wood Products Association

1.03 DEFINITIONS

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

Berm. The ridge of material formed on the outer edge of the trail that projects higher than the tread.

Borrow. Suitable materials taken from approved sources designated on the drawings or on the ground, to be used for embankments and backfilling.

Catch Point. The outer limits of a trailway where the excavation and/or embankment intersect with the ground line.

Clearing Limit. The area over and beside the trail that is cleared of trees, limbs, and other obstructions.

Compacted. Consolidation that is obtained by tamping or rolling suitable material until no noticeable displacement of material is observed.

Contracting Officer (CO). An official of the Government with the authority to enter into, administer, and/or terminate contracts and make related determinations and findings. The term includes certain authorized representatives of the CO acting within the limits of their authority as designated by the CO.

Crusher Fines. A finely crushed stone mix that is often the byproduct of gravel operations.

Danger Tree. An unstable tree 5 inches or greater in diameter at breast height that is likely to fall across the trail.

Designated on the Ground. The location of materials, work areas, and construction items, including lines and grades, marked on the ground with stakes, flagging, tags, or paint.

Drawings. Documents showing details for construction of a facility, including but not limited to straight-line diagrams, trail logs, standard drawings, construction logs, plan and profile sheets, cross-sections, diagrams, layouts, schematics, descriptive literature, and similar materials.

Duff. Organic material overlying rock or mineral soil.

Embankment. A structure of suitable material placed on the prepared ground surface and constructed to the trailbed elevation.

Excess Excavation. Material in the trailway in excess of that needed for construction of designed trailways.

Full Bench. Trailbed constructed entirely on undisturbed material.

Grade. The vertical distance of ascent or descent of the trail expressed as a percentage of the horizontal distance.

Header Rock. Rock laid with the narrow end towards the face of the wall.

Inslope. Where the trail tread is sloped downward toward the backslope.

Mineral Soil. Soil or aggregate that is free from organic substances and contains no particles larger than 2 inches at their greatest dimension.

Outslope. Where the trail tread is sloped downward toward the embankment or daylight side of the trailway.

Sideslope. The natural slope of the ground, usually expressed as a percentage.

Slough. That material from the backslope or the area of the backslope that has raveled onto the trailbed.

Slump. Where the trailbed material has moved downward, causing a dip in the trail grade.

Special Project Specification. Specifications that detail the conditions and requirements peculiar to an individual project, including additions and revisions to the standard specifications.

Surfacing. Material placed on top of the trailbed that provides the desired tread.

Suitable Material. Rock that can be accommodated in the trail structure, and soil free of duff with a recognizable granular texture.

Switchback. A reverse in direction of trail grade with a level landing used to change elevation on a steep slope, usually involving special treatment of the approaches, barriers, and drainages.

Native Topsoil. A mixture of organic and sometimes mineral material from the project site taken from the upper several inches of the soil horizon, with roots and other material greater than 2 inches in any direction removed.

.Tread. The surface portion of the trail upon which traffic moves.

Turnout. A short section of extra trail width to provide for passage of trail users.

SECTION 017113

Waterbar. A structure used for turning water off the trail, usually made of logs or stones.

Water Courses. Any natural or constructed channel where water naturally flows or will collect and flow during spring runoff, rainstorms, etc.

PART 2 – NOT USED

SECTION 015700

EROSION CONTROL

1.1 DESCRIPTION

A. Provide all labor, materials, tools and equipment necessary to maintain permanent and temporary erosion control devices prior to and during construction activities; including, but not limited to, silt fences, weed-and seed-free hay or straw bales, wattles or fiber rolls, ditches, etc. The contractor shall be solely responsible for providing erosion control measures to comply with applicable regulations.

B. The work also includes developing an erosion and sediment control plan to minimize or mitigate erosion, sedimentation, and resulting water quality degradation prior to the initiation of construction activities which may result in the delivery of measurable levels of fine sediment to streams or other waterbodies.

1.2 DEFINITIONS

A. Erosion and Sediment Control Plan (ESCP). Permanent and temporary prevention of erosion and control of sedimentation during construction of the Project.

B. Best Management Practices (BMP’s). A wide range of project management practices, schedules of activities or prohibition of practices that when used singly or in combination, prevent or reduce erosion, sedimentation and pollution of adjacent water bodies and wetlands. BMP’s include both structural devises and non-structural practices and can be temporary or permanent. The State of Alaska DOT/PF Best Management Practices for Construction Erosion and Sediment Control describes a variety of standard BMP’s.

1.3 SUBMITTALS

A. Thirty (30) days prior to the start of construction, submit a written ESCP outlining proposed erosion control measures to minimize erosion and sedimentation during and after construction. Do not begin work until the necessary controls for that particular phase of work have been implemented. Do not modify the type, size, or location of any control without approval.

B. The Government will review and respond to submittals within 14 calendar days. If changes are required for approval, modify the submittals within 5 calendar days of receiving comments from the Government.

C. The approved ESCP becomes the project ESCP. A copy must be kept on site by the Contractor.

PART 2 - PRODUCTS

2.1 EROSION AND SEDIMENTATION CONTROL PLAN (ESCP) REQUIREMENTS

A. Base the ESCP on the approach of first avoiding and preventing erosion, then minimizing erosion and finally trapping sediment before it leaves the project site.

SECTION 017113

B. Address all ground disturbing activities required by the contract as well as those planned for your operations.

C. Provide the following information in the ESCP:

1. A Site Map displaying the following.

a. Approximate locations of drainage patterns and nearby water bodies likely to receive discharges from disturbed areas of the project,

b. Approximate areas of soil disturbance,

c. Proposed locations, quantities, and types of erosion and sediment control methods.

2. A Written Narrative briefly describing the proposed control measures to be implemented at the construction site, and off-site areas if necessary.

a. Clearly describe for each major activity, appropriate control measures and the period during the construction process that the measures will be implemented.

b. Ensure that all temporary or permanent erosion and sediment control materials do not introduce non-native or invasive species. The use of straw bales and other materials that may introduce any weed seeds or that may result in the germination of an invasive is prohibited.

3. Specifically address your plan for controlling and managing erosion and sedimentation during construction at the following locations.

a. All construction adjacent to existing drainages, streams, lakes, water bodies, wetlands, and other sensitive areas.

b. Designated disposal sites and material sites.

c. Any additional sites which may be sensitive due to the proposed construction operation

(including contractor supplied material and disposal sites, staging areas, and stockpile locations).

4. Inspections. Identify the Contractor personnel responsible for inspection of the project’s erosion and pollution control measures.

5. Responsible Party. Clearly identify for each measure shown in the plan, the Contractor and/or subcontractors that will implement and maintain the measure.

PART 3 - EXECUTION

3.1 CONSTRUCTION REQUIREMENTS

A. Do not begin earth disturbing work until written approval of the ESCP has been received from the Government.

B. Contain, clean up, and dispose of all construction related (including camp facilities) discharges of petroleum products and/or other materials hazardous to the land, air, water and organic life forms.

Perform all fueling operations in a safe and environmentally responsible manner. Comply with the requirements of 18 AAC 75 and AS 46, Oil and Hazardous Substances Pollution Control.

C. Implement all temporary and permanent erosion and sediment control measures identified in the ESCP and ensure that the ESCP remains current.

D. Perform inspections within 24 hours of the end of a storm resulting in significant or unusually heavy rainfall.

E. When erosion control measures are not functioning as intended, take corrective action to eliminate or minimize pollutants in storm water discharges from the project.

F. Perform other inspection, if directed, during or following high intensity rainfall events of any depth.

G. Prepare inspection reports summarizing the scope of the inspections, names of personnel making the inspection, the dates of the inspections and major observations relating to the implementation of the ESCP. Identify any incidents of non-compliance, steps taken to implement corrective actions to bring the work in compliance with the ESCP. Inspection reports are not required to be submitted to the Government but a copy may be requested by the Government if a concern or issue arises.

H. Based on the results of each inspection, modify the ESCP as necessary to include additional or modified BMP’s designed to correct problems identified. Complete the revisions within 7 calendar days following the inspection. Implement modified or additional BMP’s before the next anticipated storm event or as soon as practicable.

I. Prior to project closeout and demobilization, the CO will review all areas disturbed by construction to determine if final soil and sediment stabilization is complete.

J. The Contractor shall maintain existing temporary erosion control structures as necessary and/or as directed by the Government for the duration of the contract. They shall be maintained in effective operating conditions at all times. Structures shall be cleaned, repaired, or replaced as necessary.

K. Temporary erosion control structures shall remain in place until the Government approves their removal.

SECTION 017113

SECTION 017113

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

PART 2 – MEASUREMENT AND PAYMENT

A. Progress payments will be made as follows:

1. 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.

2. 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.

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

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

SECTION 02230

SITE CLEARING

US FOREST SERVICE 02230 - 1

SECTION 022300

SITE CLEARING AND GRUBBING

1.01 SECTION INCLUDES

A. This section consists of furnishing all labor, equipment, supplies, and material required for site clearing.

1. Surface preparation and cleanup of the construction site prior to the start of cabin assembly.

2. Clear site of plant life including trees, shrubs and grasses.

3. Removal existing cabin and trash or debris.

1.02 REGULATORY REQUIREMENTS

A. Burning debris on site is not permitted unless approved by regulatory authorities.

B. Contractor shall obtain and pay for all permits.

C. Contractor shall notify all parties that have recorded easements through the site and obtain their approval to proceed with the work.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION

3.01 CLEARING

A. Work shall include removal from the site all trees, stumps, roots, buried logs, brush and other vegetation or debris not otherwise indicated to remain.

B. Clearing and grubbing operations for building sites shall extend to within 15’ of the building exterior walls or as shown on the site plan, whichever is less.

C. Grubbing:

1. Grubbing operations consist of the removal and disposal of stumps and roots larger than 3 inches in diameter, matted roots, debris, and all rubbish from the designated areas. This material, together with logs and other debris not suitable for foundation purposes shall be excavated and removed within the limits of work.

2. Depressions made by grubbing shall be filled with native material and compacted to make the surface conform to the original adjacent surface of the ground.

D. Disposal: All logs, stumps, roots, brush, rotted wood, and other refuse from the clearing and grubbing operations shall be disposed of in a manner and to a place acceptable to the Contracting Officer.

3.02 PROTECTION

A. Provide protection as necessary to prevent damage to existing improvements and utilities indicated to remain in place.

1. Protect improvements on adjoining properties and on project site.

2. Protect trees, plant growth and features designated to remain.

SECTION 02230

SITE CLEARING

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024100 - 1 US FOREST SERVICE

B. Protect survey benchmarks, property corners, survey monuments and existing work from damage or displacement.

3.03 DISPOSAL OF CLEARED MATERIAL

A. Except as otherwise stated, the Contractor shall dispose of non-burnable materials off

Forest Service lands in accordance with local, state and federal laws, rules and regulations.

SECTION 024100

DEMOLITION

US FOREST SERVICE 024100 - 2

SECTION 024100

DEMOLITION AND REMOVAL

1.01 DESCRIPTION

A. Work under this section includes all labor, materials, and equipment for demolition, removal, and disposal of the existing Tanis Mesa Cabin; also, transportation of any materials salvaged and stockpiled prior to demolition to be returned to Yakutat Ranger District.

PART 2 – MATERIALS

2.01 BACKFILL

A. For backfill of miscellaneous cavities at the existing cabin site, install excavated material from new cabin site as specified in Section 312000 Excavation and Embankment.

2.02 REVEGETATION

A. Spread clumps of whole moss plants (tops and roots), and replant other vegetation gathered from adjacent areas and salvaged from new cabin construction where necessary. Install so that roots of moss are in full contact with the ground. Install other vegetation so that top of the root ball, when planted, is at finish grade.

PART 3 – EXECUTION

3.01 PRIOR TO WORK

A. Verify with the CO that any materials intended for salvage by the Government have been separated, stockpiled, or clearly marked by the Government, and a delivery destination is agreed upon. Cooperate with the Government as required.

B. Within heavy traffic areas adjacent to cabin footprint, protect low-growing groundcover vegetation as specified in Section 311000 Site Clearing and Grubbing.

1. Remove taller vegetative materials for a distance of 5’ around cabin footprint and stockpile in safe area for use in revegetation of disturbed areas.

3.02 DEMOLITION

A. Demolish the existing Tanis Mesa cabin, including all decks, stairs, and related appurtenances. Remove to the full extent of the existing construction; Disassemble wood members, and break up above-grade concrete if any, as required for complete removal.

3.03 BURNING

A. Stockpile non-burnable materials such as metal, plastics, and pressure-treated wood for disposal off-site.

Non-pressure treated wood may be burned. Remove all metal fasteners prior to burning for disposal offsite. Inform Yakutat Fire and Police Department prior to burning. Burn in location approved by CO and only during weather and ground conditions that will prevent spread of fire.

1. During burning operations maintain a physical presence on site. When finished, ensure fire is extinguished by digging out and scattering hot spots, such as coals too hot to touch, within burn area. Do not scatter hot spot materials outside area impacted by burning. Apply water or backfill material as necessary to ensure area is completely cooled.

2. During site cleanup, gather and dispose of offsite any remaining metal fasteners and other non-biodegradable materials. Stockpile and dispose of offsite all unburned wood materials greater than 6” in diameter. Smaller wood materials may be incorporated into site while extinguishing hot spots.

3.04 BACKFILL

A. Fill to level foundation post holes and any depressions remaining after removal of structures as approved.

1. Blend edges of fill with adjacent grade.

Prototypical Square Log Cabin

024100 - 3 US FOREST SERVICE

3.05 REVEGETATION

A. Replant reserved plant materials.

3.06 DISPOSAL

A. All demolished items and materials to be disposed of shall become the property of the Contractor.

1. Remove and dispose of all demolished items and demolition materials off-site in accordance with all local, state, and federal laws, rules, and regulations.

3.07 SALVAGE

A. Disassemble and/or return the following items to Yakutat.

1. Bunks from both sides of existing cabin

2. Both yellow cedar doors and hardware

3. 1 aluminum fuel tank and all associated plumbing

4. Both oil stoves and their metalbestos support packages, lid lifers, and clean out rods.

5. Both cabin logbooks

SECTION 024100

SECTION 03100

CONCRETE FORMS AND ACCESSORIES

1.01 SECTION INCLUDES

A. Formwork for cast-in place concrete, with shoring, bracing and anchorage.

B. Openings for other work.

C. Form accessories.

D. Form stripping.

1.02 RELATED REQUIREMENTS

A. Section 03200 - Concrete Reinforcement.

B. Section 03300 - Cast-in-Place Concrete.

1.03 QUALITY ASSURANCE

A. Perform work of this section in accordance with ACI 347, Recommended Practice for Concrete Formwork.

B. Concrete forms shall be cleaned of all material or other objects which would be considered deleterious to the concrete structure or surface.

PART 2 - PRODUCTS

2.01 FORMWORK - GENERAL

A. Provide concrete forms, accessories, shoring, and bracing as required to accomplish cast-in-place concrete work.

B. Design and construct to provide resultant concrete that conforms to design with respect to shape, lines, and dimensions.

C. Comply with applicable State and local codes with respect to design, fabrication, erection, and removal of formwork.

2.02 GENERAL

A. Materials for concrete forms may be new or used wood, steel or other material capable of producing the required tolerances and finishes. The quality of the materials, not the age or previous usage, shall be the determining factor as to their suitability.

Prototypical Square Log Cabin

024100 - 3 US FOREST SERVICE

2.03 FORM LINERS AND COATINGS

A. Forms shall be lined, coated or treated with a suitable bond-breaker to ensure their timely removal with minimum damage to the concrete. Bond-breaker material shall be non-coloring and shall not leave a film on the concrete surface which will prohibit the subsequent finishing activities required to attain the desired appearance.

SECTION 024100

3.01 GENERAL

A. Falsework and forms shall be set to allow for structural camber plus an allowance for shrinkage and settlement. The finished concrete shall conform to the lines and grades indicated on the drawings.

3.02 EXAMINATION

A. Verify lines, levels and centers before proceeding with formwork. Ensure that dimensions agree with drawings.

3.03 APPLICATION - FORM RELEASE AGENT

A. Apply form release agent on formwork in accordance with manufacturer's recommendations.

B. Apply prior to placement of reinforcing steel, anchoring devices, and embedded items.

3.04 FORM REMOVAL

A. Do not remove forms or bracing until concrete has gained sufficient strength to carry its own weight and imposed loads.

SECTION 03200

CONCRETE REINFORCEMENT

Prototypical Square Log Cabin

03200 - 2 US FOREST SERVICE

SECTION 03200

1.01 SECTION INCLUDES

A. Reinforcing steel for cast-in-place concrete.

B. Supports and accessories for steel reinforcement.

1.02 RELATED SECTIONS

A. Section 03130 - Insulating Concrete Forms

B. Section 03300 - Cast-in-Place Concrete.

1.03 SUBMITTALS

A. Shop Drawings: Include bar schedules, shapes of bent bars, spacing of bars and location of splices.

B. Manufacturer's Certificate: Certify that reinforcing steel and accessories supplied for this project meet or exceed specified requirements.

C. Submit mill certificates for all reinforcement prior to construction.

1.04 QUALITY ASSURANCE

A. Qualification of Workmen: Provide at least one person who shall be present at all times during execution of this portion of the work and who shall be thoroughly familiar with the type of materials being installed and the best methods for their installation and who shall direct all work performed under this section.

B. Codes and Standards: In addition to complying with all pertinent codes and regulations, comply with all pertinent recommendations contained under current editions of SP-66 ACI Detailing Manual and ACI 318 Building Code Requirements for Reinforced Concrete of the American Concrete Institute.

PART 2 - PRODUCTS

2.01 REINFORCEMENT

A. General

1. All concrete reinforcement materials shall be new, free from rust, and shall comply with the following reference standards:

a. Reinforcing Steel: ASTM A 615/A 615M Grade 60 (420), "Standard Specification for

Deformed Billet-Steel Bars for Concrete Reinforcement," unless shown otherwise on drawings.

b. Welded Reinforcing Steel: Bars for reinforcement that are to be welded shall comply with ASTM A-706 Grade 60, "Standard Specification for Low-Alloy Steel Deformed Bars for Concrete Reinforcement," unless otherwise shown on drawings.

B. Steel Welded Wire Reinforcement: ASTM A 884/A 884M, deformed, Class A epoxy coated type.

1. Flat Sheets.

2. Mesh Size and Wire Gauge: As indicated on drawings.

SECTION 03200

US FOREST SERVICE 03200 - 1

C. Reinforcement Accessories:

1. Tie Wire: Annealed, minimum 16 gauge (1.5 mm).

PART 3 - EXECUTION

3.01 REINFORCING STEEL BARS

A. Before ordering material, the Contractor shall furnish all order and bending diagrams to the Contracting Officer for review and approval. This review shall in no way relieve the Contractor of responsibility for the correctness of materials.

B. All bars shall be bent cold to the shapes indicated on the plans. Bends and hooks shall be made in accordance with the Concrete Reinforcing Steel Institute and SP-66 ACI Detailing Manual.

C. Placing and Fastening:

1. All steel reinforcement shall be accurately placed in the position indicated on the plans and firmly held during the placing and setting of concrete. Bars shall be tied at all intersections, except where spacing is less than one foot in each direction where alternate intersection shall be tied.

2. Provide minimum concrete covering of reinforcement in accordance with ACI 318 unless otherwise indicated on the drawings.

3. Distance from the forms shall be maintained by means of stays, blocks, ties, hangers or other approved supports. Blocks, for holding reinforcements from contact with the forms, shall be precast mortar blocks of not less than 3750 psi f'c of approved shape and dimensions or approved metal chairs. Metal chairs which are in contact with the exterior surface of the concrete shall be plastic coated or galvanized.

4. Conform to applicable code for concrete cover over reinforcement.

D. Splicing:

1. All reinforcement shall be furnished in full lengths wherever possible. Splicing of bars shall conform to ACI SP-66 and ACI 318 and shall be shown on the shop drawings. Splices shall be staggered as far apart as possible.

2. Unless otherwise shown, lap all reinforcing bars 40 diameters (24 inches minimum).

3.02 CLEANING REINFORCEMENT

A. Steel reinforcement, at the time concrete is placed around it, shall be free from loose rust or mill scale, paint, and other coatings which will destroy or reduce bond between steel and concrete.

SECTION 03300

CAST-IN-PLACE CONCRETE

Prototypical Square Log Cabin

03300 - 2 US FOREST SERVICE

1.01 SECTION INCLUDES

A. The requirements for providing all cast-in-place concrete and associated work in conformance with these specifications and as shown on the Drawings.

B. Concrete building members.

C. Concrete curing.

1.02 RELATED SECTIONS

A. Section 03100 - Concrete Forms and Accessories.

B. Section 03200 - Concrete Reinforcement.

1.03 SUBMITTALS

A. Within 30 days after award of Contract, and at least 10 days before any concrete is placed, submit to the Contracting Officer the proposed design mix, together with testing results that establish the structural properties of each mix, for each class of concrete required for this portion of the work.

1.04 TEST AND INSPECTION REPORTS

A. Testing shall be done in conformance with ASTM C231 and ASTM C143 respectively.

1.05 QUALITY ASSURANCE

A. Codes and Standards: All concrete shall meet the requirements of the latest edition of the International Building Code, and ACI 318 Building Code Requirements for Reinforced Concrete and ACI 301 Specifications for Structural Concrete for Buildings of the American Concrete Institute. Where provisions of pertinent codes, standards and this specification conflict, the more stringent provisions shall govern.

B. Follow recommendations of ACI 306R when concreting during cold weather.

PART 2 - PRODUCTS

2.01 FORMWORK

A. Comply with requirements of Section 03100 Concrete Forms & Accessories.

2.02 REINFORCEMENT

A. Comply with requirements of Section 03200 Concrete Reinforcement.

2.03 CONCRETE MATERIALS

A. QUIKRETE 5000 High Early Strength Concrete manufactured by Quikrete Companies, LLC, Five Concourse Parkway, Atlanta, GA 30328, USA..

• Install per manufacturers requirements.

SECTION 03300

US FOREST SERVICE 03300 - 1

2.04 BIGFOOT FOOTING

A. Install Bigfoot Footings per manufacturer's requirements.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Verify lines, levels, and dimensions before proceeding with work of this section.

B. Verify that all items to be embedded in concrete are in place, properly oriented, located and secured.

3.02 PREPARATION

A. Verify that forms are thoroughly wetted, clean and free of rust before applying release agent.

3.03 PLACING CONCRETE

A. General:

1. Concrete shall be placed as soon as possible after mixing and shall be plastic and readily workable when placed in the forms. Concrete which does not reach it's final position in the forms within 1-1/2 hours after adding cement shall not be used.

2. The method and manner of placing concrete shall avoid segregation of the aggregates, or displacement of reinforcement.

3. Concrete shall be placed in continuous horizontal layers and so compacted that there will be no line of separation between layers. Care shall be taken to fill each part of the forms by depositing concrete directly or as near the final position as possible.

B. Cold Weather Placement: Concrete shall not be placed against frosted reinforcing steel or forms. Concrete shall not be mixed or placed while the atmospheric temperature is below 40 degrees F.

3.04 CONCRETE FINISHING

A. Unformed Surfaces:

1. The top surface of the footings shall be rodded across the screeds and smoothed with a

"full float," light steel trowel. The general surface shall have no irregularities greater than 1/8-inch in depth or variations in grade of more than 3/8-inch in 10 feet.

Prototypical Square Log Cabin

3.05 CURING AND PROTECTION

A. Comply with requirements of concrete manufacturer and ACI 308. Immediately after placement, protect concrete from premature drying, excessively hot or cold temperatures, and mechanical injury.

3.06 FIELD QUALITY CONTROL

A. Inspections, tests, and other quality assurance requirements shall be the responsibility of the Contractor.

B. The Contractor shall provide compressive strength testing by an independent testing firm approved by the Contracting Officer.

3.07 SCHEDULE - CONCRETE TYPES AND FINISHES

A. All concrete shall have the following minimum compressive strengths at 7 days and shall be proportioned within the following limits:

1. Footings:

a. Minimum psi @ 7 days, 3000

b. Minimum Sacks of Cement/C.Y., 5-1/2"

c. Maximum Slump, 3-1/2"

B. Entrained air is 5% to 8% for all concrete subject to freezing.

C. The minimum compressive strengths tabulated are the strength at seven days for high-early strength concrete.

SECTION 05500

METAL FABRICATIONS

US FOREST SERVICE 05500 - 1

SECTION 05500

METAL FABRICATIONS

1.01 SECTION INCLUDES

A. Miscellaneous Metals.

1.02 REFERENCES

A. American Society for Testing and Materials (ASTM).

1. ASTM A36 – Structural Steel.

2. ASTM A153 – Zinc Coating (Hot-Dip) on Iron and Steel Hardware.

B. Steel Structures Painting Council (SSPC).

1.03 FIELD MEASUREMENTS

A. Verify that field measurements are correct.

PART 2 - PRODUCTS

2.01 MATERIALS

A. Plates: ASTM A283.

B. Bolts, Nuts and Washers: ASTM A307 galvanized to ASTM A153 for galvanized components.

C. Shop and Touch-Up Primer: SSPC 15, Type 1, red oxide.

D. Touch-Up Primer for Galvanized Surfaces: Zinc rich type.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Verify that field conditions are acceptable and are ready to receive work.

3.02 INSTALLATION

A. Install items plumb and level, accurately fitted, free from distortion or defects.

B. All exterior steel and steel in contact with treated wood shall be hot dipped galvanized after fabrication. All other steel shall be shop primed after fabrication.

Prototypical Square Log Cabin

SECTION 06050

FASTENERS AND SUPPORTS

1.01 SECTION INCLUDES

A. This section includes, tie down fasteners, miscellaneous connectors for rough carpentry and miscellaneous fasteners for structural connections.

1.02 CODES AND STANDARDS

A. IBC - International Building Code

PART 2 - PRODUCTS

2.01 CONNECTORS

A. Acceptable Manufacturer: Simpson “Strong-Tie” or equal.

B. Finish: Hot Dip Galvanized. When applied against pressure treated lumber, ensure galvanization is designed for the corrosive properties of the specific chemicals used in the treated lumber.

2.02 NAILS, SCREWS, AND BOLTS

A. In accordance with manufacturer’s recommendations.

B. Use stainless steel or Galvanized nails, screws, bolts, and connectors in association with treated wood. When applied against pressure treated lumber, ensure galvanization is designed for the corrosive properties of the specific chemicals used in the treated lumber.

C. Provide all necessary spikes, nails, screws, and bolts for proper installation of heavy timber and rough carpentry; sizes and quantities as indicated on shop drawings. Where not indicated, provide sizes and quantities as required by International Building Code. Accessories shall include bolts with necessary nuts and washers, timber connectors, drift pins, dowels, nails, screws, spikes, straps and other metal fasteners.

D. Bolts and nuts shall conform to the specifications of ASTM A307, grade A. Washers shall be malleable iron or medium steel. Bolts shall be provided with washers under nut and head.

Washers shall be provided under lag screw heads.

E. Common nails shall be round wire of standard form.

F. All hardware shall be galvanized with a minimum requirement to be in accordance with ASTM A153. Where hardware is used in wood treated with a waterborne preservative, use stainless steel hardware or hardware with extra heavy galvanizing (Z-Max).

PART 3 - EXECUTION

3.01 INSTALLATION

A. Install items as required by the drawings and in accordance with the manufacturer’s requirements.

SECTION 06100

ROUGH CARPENTRY

US FOREST SERVICE 06100 - 1

SECTION 06100

1.01 SECTION INCLUDES

A. Structural framing and sheathing

B. Log Dimensions

C. Subflooring.

D. Floor Finish

1.02 RELATED SECTIONS

A. Section 05500 – Metal Fabrications

B. Section 06059 - Pressure Treated Lumber

C. Section 06200 – Finish Carpentry

1.03 REGULATORY REQUIREMENTS

A. Conform to International Building Code (IBC).

B. Conform to International Log Builders Association (ILBA).

1.04 REFERENCES

A. NDS – National Design Specification for Stress Grade Lumber and its fastening.

B. PS1 – Construction and Industrial Standards

C. PS 20 – American Softwood Lumber Standard

1.05 PRODUCT HANDLING

A. Keep materials under cover and dry. Protect against exposure to weather and contact with damp or wet surfaces. Stack lumber as well as plywood and other panels; provide air circulation within and around stacks and under temporary weather resistant coverings

PART 2 – PRODUCTS

2.01 MATERIALS

A. Logs- Square logs shall have a dimension between 4" to 6".

B. Tongue & Groove Roof Decking- roof deck shall be Alaskan Yellow Cedar unless specified otherwise in drawings.

C. Lumber standards: Manufactured lumber…