Attachment 15 Specifications Revised 10 Nov 26.pdf

Inyo National Forest

Forestwide Facilities Improvement Project

Technical Specifications

November 2026

SPECIFICATIONS LIST

DIVISION 01 - GENERAL REQUIREMENTS

01 00 40 - Project Coordination 01 10 00 - Summary of Work 01 30 00 - Administrative Requirements 01 42 16 - Definitions and Reference Standards 01 50 00 - Temporary Facilities and Controls 01 60 00 - Product Requirements 01 78 00 – Closeout Procedures and Submittals 01 90 00 - Mobilization

DIVISION 02 - EXISTING CONDITIONS

02 05 00 - Common Work Results for Existing Conditions 02 41 00 - Demolition 02 42 00 - Removal and Salvage of Construction Materials 02 80 00 – Discovery Protocol for Hazardous Materials 02 81 00 - Transportation and Disposal of Hazardous Materials 02 82 00 - Asbestos Remediation 02 83 00 - Lead Remediation 02 84 00 - Mold Remediation 02 85 00 - Hazardous Material Abatement

DIVISION 03 - CONCRETE

03 10 00 - Concrete Forming and Accessories 03 20 00 - Reinforcing Steel 03 30 00 - Cast-In-Place Concrete 03 35 00 - Concrete Finishing

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 10 00 - Rough Carpentry 06 40 00 - Architectural Woodwork 06 70 00 - Plastic Fabrications

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 27 00 - Air Barriers 07 30 00 - Roofing 07 40 00 - Siding 07 54 00 - Low-Slope Roofing 07 62 00 - Sheet Metal Flashing and Trim 07 70 00 - Roof Accessories 07 80 00 - Fire Protection (Historic Shake Roof)

DIVISION 08 - OPENINGS

08 10 00 - Doors 08 11 00 - Metal Doors and Frames 08 14 00 - Interior Wood Doors 08 40 00 - Entrance Doors, Storm and Screen Doors 08 50 00 - Windows 08 70 00 - Hardware

08 90 00 - Louvers and Vents

DIVISION 09 - FINISHES

09 21 00 - Gypsum Board Assemblies 09 51 00 - Acoustical Ceilings 09 60 00 - Flooring 09 90 00 - Painting and Coating

DIVISION 10 - SPECIALTIES

10 28 00 - Toilet, Bath and Laundry Accessories 10 29 00 - Pest Control

DIVISION 22 - PLUMBING

22 40 00 - Plumbing Fixtures 22 11 00 - Facility Water Distribution 22 13 00 - Sanitary Sewer Systems 22 70 00 - Sewerage and Drainage Piping

DIVISION 23 - HEATING, VENTING, AND AIR CONDITIONING (HVAC)

23 00 00 - HVAC General Requirements 23 70 00 - Mechanical Ventilation 23 80 00 – Heating Systems

DIVISION 26 - ELECTRICAL

26 00 00 - General Electrical Requirements 26 05 00 - Common Work Results for Electrical 26 09 00 - Controls 26 50 00 - Lighting 26 60 00 - Electrical Service for Trailer Pads

DIVISION 31 - EARTHWORK

31 00 00 - Earthwork 31 20 00 - Earth Moving

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 00 00 - Exterior Improvements

ADDENDUM - PROJECT CLARIFICATIONS

1. General Project-wide Clarifications.

2. Trailer Pad & Utilities Clarification (All Sites).

3. Interior Unit Counts & Fixture Requirements.

4. Window Quantity Confirmation (Crestview Cabins).

5. Flooring Clarifications.

6. Required Government Reviews/Submittals.

7. General Roofing Clarifications (All Sites).

8. Asphalt Shingles Roofing Clarifications.

9. Underlayment & Ice -and-Water Sheilds (IWS) Clarifications.

10. Decking Replacement & Structural Items.

11. Roof Flashing & Metal Components Clarifications.

12. Metal Roofing Clarifications (Crestview & Lee Vining).

13. Historic Shake Roof (1025 Lee Vining Small House).

14. Warranty Clarifications.

15. General Openings Clarifications.

16. Window Clarifications.

17. Door Clarifications (Exterior & Interior).

18. Storm & Screen Door Clarifications.

19. General Interior Clarifications.

20. Drywall, Ceiling, and Wall Finish Clarifications.

21. Flooring Clarifications.

22. Painting & Coating Clarifications.

23. Ceiling Tile Replacement Clarifications.

24. General Plumbing Clarifications (All Sites).

25. Shower System Clarifications.

26. Sinks, Faucets & Vanities Clarifications.

27. Toilet Replacement Clarifications.

28. General Electrical Clarifications (All Sites).

29. RV Power Pedestals Clarifications.

30. Exhaust Fan/Light Combination Circuit Clarifications.

31. Lighting Fixture Clarifications.

32. Heating Equipment Electrical Clarifications.

33. General Sitework & Utility Clarifications (All Sites).

34. Water System Clarifications.

35. Sewer System Clarifications.

36. Electrical Trenching & Site Utilities (Cross-Reference).

37. Trailer Pad Construction Clarifications.

38. Earthwork Clarifications.

END OF SECTION

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 00 40

PROJECT COORDINATION

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. General project coordination procedures.

B. Coordination of administrative activities.

C. Conservation requirements.

1.02 RELATED REQUIREMENTS

A. Refer to Section 01 30 00 for Administrative Requirements and RFI Processing.

B. Refer to Division 01 Sections for project management, scheduling, communications, field verification, access coordination, safety, and scope clarification.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION

3.01 PROJECT COORDINATION

A. General: Coordinate construction operations in all technical sections to ensure orderly, efficient progress.

B. Coordinate with the COR regarding site use, access, staging, traffic, and parking.

C. Coordination of Administrative Activities: Coordinate the scheduling and timing of required administrative procedures (such as submittals, progress meetings, and closeout activities) with other construction activities to avoid conflicts and ensure the orderly progress of the work.

D. Maintain communication protocols for resolving ambiguities and conflicts.

E. Coordinate administrative procedures (submittals, meetings, closeout activities) to avoid delays.

F. All work must adhere to conservation practices related to energy, water, and materials.

SECTION 01 10 00

SUMMARY OF WORK

1.01 PROJECT DESCRIPTION

A. Project Name: Forest Wide Facilities Improvement Project.

B. Project Locations include multiple district facilities and housing units across Inyo National

Forest.

C. Owner: United States Department of Agriculture (USDA), Forest Service.

1.02 SUMMARY OF WORK

A. The contract includes repair, replacement, demolition, remodeling, and construction work across multiple facilities.

B. Major categories of work include:

1. Exterior Repairs: Including roofing, siding, painting, and deck/stair repair or replacement.

2. Interior Remodeling: Including flooring replacement, interior painting, drywall repair, and kitchen/bathroom fixture and finish upgrades.

3. Site Improvements: Including the construction of new reinforced concrete trailer pads with associated underground utilities (water, sewer, and electrical).

4. Specialty Work: Including the installation of pest exclusion measures, pellet stoves, and ventilation equipment.

1.03 CONTRACTOR’S USE OF PREMISES

A. Access permitted during standard hours unless otherwise approved.

B. Standard Work Hours: 7:00 AM to 5:00 PM, Monday–Friday, excluding federal holidays.

C. Storage limited to areas designated by COR.

D. Occupancy Note (Updated): Several buildings will remain occupied. Contractor must:

1. Always maintain safe temporary egress.

2. Provide a 14-calendar day notice before disruptive work begins.

3. Coordinate phasing with COR to maintain essential services.

1.04 FIELD VERIFICATION

A. Contractor must field-verify all dimensions prior to ordering materials.

B. No adjustments to contract value will be made for dimensional discrepancies.

C. Contractor is responsible for documenting concealed conditions and notifying COR prior to proceeding when unforeseen damage is uncovered.

PART 3 - EXECUTION (NOT USED)

SECTION 01 30 00

ADMINISTRATIVE REQUIREMENTS

A. Pre-construction and Progress Meetings.

B. Submittal Procedures.

C. Requests for Information (RFI).

D. Closeout Submittals.

3.01 PRECONSTRUCTION MEETING

A. Schedule a meeting immediately after notice to proceed:

1. Schedule meeting at a time convenient to Government, but not later than 10 days after Notice to Proceed.

2. Hold conference at Project site or other convenient location.

B. Attendance Required:

1. General Contractor.

2. Major Subcontractors.

C. Agenda:

1. Submission of list of Subcontractors, list of Products, schedule of values, and progress schedule.

2. Designation of personnel representing the parties to Government and Contractor including emergency off-hour contacts.

3. Routing of correspondence.

4. Procedures and processing of field decisions, submittals, substitutions, applications for payments, proposal requests, Change Orders, and Contract closeout procedures.

5. Scheduling including critical work sequencing.

6. Security and housekeeping procedures.

7. Site access, traffic, and parking rules.

8. Work and storage areas.

9. Working hours.

10. Application for payment procedures.

11. Procedures for testing and Inspection.

12. Procedures for maintaining record documents.

D. The Contractor shall record minutes and distribute copies within two days after the meeting to all participants, with one copy to the CO via email.

3.02 PROGRESS MEETINGS

A. The Contractor shall schedule and administer regular progress meetings at the site, at a frequency agreed upon with the COR (e.g., weekly or bi-weekly).

B. The agenda shall include a review of the project schedule, submittal status, RFIs, pending changes, and any issues affecting the work.

C. The Contractor shall record minutes and distribute them to all attendees within two days after each meeting.

3.03 SUBMITTAL PROCEDURES

A. All submittals must be contractor-generated.

B. Minimum COR review period: 10 working days.

C. Submittals must include manufacturer requirements, compliance data, and dimensions.

D. Government will return submittals with one of the standard review stamps.

3.04 REQUEST FOR INFORMATION (RFI)

A. RFIs must include contractor's proposed solution.

B. Government response period: 10 working days.

C. RFIs must be logged, sequentially numbered, and tracked.

D. All clarifications provided via RFI responses are contractually binding and incorporated into these updated specifications.

3.05 PROJECT CLOSEOUT SUBMITTALS

A. Includes as-builts, O&M manuals, warranties, and other required documentation.

SECTION 01 42 16

DEFINITIONS AND REFERENCE STANDARDS

1.01 DEFINITIONS

Wherever 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:

A. Adjustment in Contract Price: “Equitable adjustment,” as used in the Federal Acquisition

Regulations.

B. Base Course: The layer or layers of specified or selected material of designed thickness placed on a subbase or subgrade to support a surface course.

C. Certificate of Compliance: A signed statement by a person with legal authority to bind a company or supplier to its product. The certificate states that the material or assemblies furnished fully comply with the requirements of the contract.

D. Change: “Change” means “change order” as used in the Federal Acquisition Regulations.

E. Conduit: A pipe for carrying fluids, wire, rope, gas, etc.

F. Contracting Officer (CO): The person with the authority to enter, 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 delegated by the CO. Authorized representatives include the Contracting Officer’s Representative (COR), and Inspector.

G. Contractor: The individual, partnership, joint venture, or corporation undertaking the execution of the work under the terms of the contract and acting directly or through agents, employees, or subcontractors, as used in specifications and drawings.

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

I. Drawings: The documents include plan and profile sheets, plans, cross sections, diagrams, layouts, schematics, descriptive literature, illustrations, schedules, performance and test data, and similar materials showing details for construction of a facility.

J. Equipment: All machinery and equipment, including necessary supplies or upkeep and maintenance, as well as tools and apparatus necessary for the proper construction and acceptable completion of work.

K. Falsework: Any temporary construction work used to support the permanent structure until it becomes self-supporting. Falsework includes steel or timber beams, girders, columns, piles, foundations, and any proprietary equipment including modular shoring frames, post shores, and adjustable horizontal shoring.

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

Department of Agriculture.

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

N. Inspector: The Government-authorized representative designated in writing by the Contracting Officer or Contracting Officer’s Representative responsible for detailed inspection.

O. Materials: Any substances specified for use in the construction of the project and its appurtenances.

P. Product Data: Printed information, such as manufacturer’s installation instructions, catalog cuts, standard color charts, roughing-in diagrams and templates, standard wiring diagrams, and performance curves.

Q. Samples: Partial sections of manufactured or fabricated components, cuts or containers of material, color range sets, and swatches showing color, texture, and pattern.

R. Field Samples: Full-sized physical examples erected on-site to illustrate finishes, coatings, or finish materials to establish standard which The Work will be judged

S. Second Sample: A sample taken when the initial sample indicated that the material is defective.

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

U. Pass: A pass shall consist of one complete coverage of the surface.

V. Schedule of Items: A Schedule in the Contract that contains a listing and description of construction items, quantities, units of measure, methods of measurement, unit price, and amount.

W. Sidewalk: The portion of the roadway constructed primarily for pedestrian use.

X. Specifications: A description of the technical requirements for a material, product, or service that includes criteria for determining whether these requirements are met.

Y. Subbase: The prepared surface, including widening for curves, turnouts, and other areas upon which a subbase, base, or surface course is constructed.

Z. Surface Course: The top layer of a pavement structure, sometimes called the wearing course, usually designed to resist skidding, traffic abrasion, and disintegrating effects of climate.

1.02 REFERENCE STANDARDS

A. All work shall comply with the latest adopted edition of all applicable codes, regulations, and standards, including but not limited to:

1. International Building Code (IBC)

2. National Electrical Code (NEC)

3. Uniform Plumbing Code (UPC)

4. California Building Standards Code (Title 24)

5. ASTM International Standards

6. American Concrete Institute (ACI) Standards

7. Architectural Woodwork Institute (AWI) Standards

SECTION 01 50 00

TEMPORARY FACILITIES AND CONTROLS

1.01 SECTION INCLUDES:

A. Temporary utilities (power, lighting, water).

B. Temporary sanitary facilities.

C. Temporary Controls: Barriers, enclosures, and fencing.

D. Security.

E. Vehicular access, traffic control, and parking.

F. Waste removal facilities and services.

G. Temporary fire protection.

H. Temporary heating and ventilation.

1.02 QUALITY ASSURANCE

A. Regulations: Comply with all applicable laws, codes, and regulations of authorities having jurisdiction, including but not limited to building codes, health and safety regulations, utility company regulations, and environmental protection regulations.

B. Standards: Comply with NFPA 241 "Standard for Safeguarding Construction, Alterations, and Demolition Operations" and ANSI A10 Series standards for "Safety Requirements for Construction and Demolition."

C. Electrical Service: Comply with NEMA, NECA, and UL standards. Install temporary service in compliance with NFPA 70 "National Electric Code."

1.03 TEMPORARY UTILITIES

A. The Contractor shall provide, maintain, and pay for all temporary utilities required for the work, including electricity, lighting, and water.

1.04 TEMPORARY SANITARY FACILITIES

A. Provide and maintain self-contained, single-occupant chemical toilet units for use by all construction personnel. Provide units at the time of project mobilization and service them regularly.

1.05 BARRIERS AND FENCING

A. Provide barriers and fencing to prevent unauthorized entry to construction areas, protect the public, and protect existing facilities from damage.

B. Provide appropriate warning signs (e.g., "DANGER - CONSTRUCTION AREA") to inform the public of potential hazards.

C. Heavy-duty dust containment is required in all occupied buildings during interior demolition.

D. Negative air machines with HEPA filtration are required during invasive demolition or lead-safe preparation.

1.06 SECURITY

A. The Contractor shall provide security and facilities to protect the work, materials, and equipment from unauthorized entry, vandalism, or theft. The Government does not provide site security.

1.07 VEHICULAR ACCESS AND PARKING

A. Coordinate all access routes, haul routes, and parking areas with the COR.

B. Always provide and maintain unobstructed access to fire hydrants and emergency vehicle routes.

C. The Contractor shall comply with all legal load requirements of the state and local jurisdictions. Damage to existing roadways from equipment operation shall be repaired by the Contractor at no additional cost to the Government.

D. Contractor responsible for repairing damage to roads at no additional cost.

1.08 WASTE REMOVAL

A. Provide waste removal facilities and services as required to maintain the site in a clean and orderly condition. Provide containers with lids and remove trash from the site periodically.

B. The Contractor is responsible for the proper removal and legal disposal of all waste generated by construction activities, including any hazardous waste.

1.09 TEMPORARY FIRE PROTECTION

A. Provide and maintain appropriate fire protection equipment, including portable fire extinguishers, as required by NFPA 241.

1.10 REMOVAL OF TEMPORARY FACILITIES

A. Remove temporary utilities and restore site prior to substantial completion.

SECTION 01 60 00

PRODUCT REQUIREMENTS

A. General product requirements.

B. Transportation, handling, and storage.

C. Product substitution procedures.

1.02 PRODUCT DELIVERY, STORAGE, AND HANDLING

A. Deliver, store, and handle all products in accordance with the manufacturer’s recommendations.

B. Deliver products to the site in an undamaged condition in the manufacturer’s original sealed packaging, complete with labels and instructions.

C. Inspect all products upon delivery to ensure compliance with Contract Documents and to ensure they are undamaged.

D. Store products that are subject to damage by weather above ground and under cover in a weathertight enclosure.

PART 2 - PRODUCTS

2.01 GENERAL PRODUCT REQUIREMENTS

A. All products shall be new, unless otherwise specified.

B. Where compliance with an imposed code or standard is specified, provide a product that complies with that code or standard.

C. "American Made": Unless otherwise authorized in writing by the CO, all materials shall be from America or American Made.

3.01 INSTALLATION OF PRODUCTS

A. Comply with the manufacturer’s instructions and recommendations for the installation of all products.

B. Anchor each product securely in place, accurately located and aligned with other work.

3.02 SUBSTITUTION PROCEDURES

A. General: The products specified in this contract establish the minimum standard of quality.

Substitutions will not be considered unless the specified product is unavailable.

B. Request for Substitution: The Contractor shall submit a formal Request for Substitution for any proposed change in products, materials, or equipment.

1. Document each request with complete data substantiating the compliance of the proposed substitution with the Contract Documents, including a side-by-side comparison chart.

2. A request for substitution constitutes a representation that the submitter has investigated the proposed product and determined that it meets or exceeds the quality level of the specified product and will provide the same warranty.

C. Review and Approval:

1. The Contracting Officer (CO) will be the sole judge of the acceptability of any proposed substitution, and their decision is final.

2. The COR will notify the Contractor in writing of the decision to accept or reject the request.

3. The Contractor is responsible for any changes in the work required to incorporate an accepted substitution, at no additional cost to the Government.

SECTION 01 78 00

CLOSEOUT PROCEDURES AND SUBMITTALS

A. Procedures for Substantial Completion and Final Acceptance inspections.

B. Requirements for closeout submittals, including Project Record Documents, Operation and

Maintenance (O&M) Data, and Warranties.

3.01 SUBSTANTIAL COMPLETION

A. Prerequisites to Inspection: Prior to requesting an inspection for Substantial Completion, the Contractor shall:

1. Complete all work, except for minor items on a "punch list."

2. Submit all specified warranties, operation & maintenance manuals, and final certifications.

3. Discontinue and remove all temporary facilities from the project site.

4. Complete final cleanup requirements.

B. Inspection Procedures:

1. The Contractor shall submit a written request for inspection, certifying that the project is substantially complete and including a comprehensive punch list of items remaining to be completed.

2. The COR will perform an inspection. If the work is found to be substantially complete, the COR will prepare a Certificate of Substantial Completion.

3.02 FINAL ACCEPTANCE

A. Prerequisites to Final Inspection: After Substantial Completion, the Contractor shall complete all remaining punch list items. Prior to requesting a final inspection, the Contractor shall submit:

1. The final application for payment.

2. A certified copy of the final inspection punch list, endorsed to show that each item has been completed.

3. Consent of Surety to Final Payment.

B. Final Inspection: The COR will re-inspect the work to verify that all punch list items have been completed. If the work is found to be complete, the CO will issue a Certificate of Final Acceptance.

3.03 CLOSEOUT SUBMITTALS

A. Project Record Documents: Maintain a clean, undamaged set of contract documents and record all changes and "as-built" information during construction. Submit it prior to final payment.

B. Operation and Maintenance (O&M) Data: For all new equipment, compile O&M data into organized manuals. Include product data, operating instructions, maintenance procedures, and contact information for suppliers.

C. Warranties: Obtain and submit all specified warranties, executed by the manufacturers, suppliers, and subcontractors.

SECTION 01 90 00

MOBILIZATION

1.01 SCOPE

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

B. All necessary permits are to be acquired prior to commencing work.

1.02 MEASUREMENT AND PAYEMENT

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

B. Progress payments will be made as follows:

1. The Government will pay the Contractor in the first progress payment the total premium paid by the Contractor to obtain bonds. This payment shall not be in addition to the contract price and will be included in Item 01, Mobilization.

2. When 5 percent or more of the original contract amount is earned from other pay items, 50 percent of the amount for mobilization, or 5 percent of the original contract amount, whichever is less, will be paid.

3. When 10 percent or more of the original contract amount is earned from other pay items, 100 percent of the amount for mobilization, or 10 percent of the original contract amount, whichever is less, will be paid.

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

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

DIVISION 02 - EXISTING CONDITIONS

SECTION 02 05 00

COMMON WORK RESULTS FOR EXISTING CONDITIONS

1.01 SUMMARY

A. This section specifies general administrative and procedural requirements common to all work involving existing conditions, including coordination, protection, and general site management related to existing structures and elements.

1.02 RELATED WORK

A. Refer to Division 01 for general project requirements. Refer to other Division 02 sections for specific demolition, removal, or remediation activities.

3.01 PROTECTION OF EXISTING CONSTRUCTION

A. Protect all existing construction, features, and site elements designated to remain from damage, dust, debris, and contamination during the work. Implement dust control measures as necessary.

3.02 COORDINATION

A. Coordinate all work in this Division with other trades to minimize disruption to ongoing facility operations and ensure a smooth flow of work.

3.03 SITE ACCESS & SECURITY

A. Maintain secure site access and control points. Prevent unauthorized entry into work areas, especially those involving hazardous materials.

3.04 TEMPORARY UTILITIES

A. Coordinate with the COR for access to temporary power, water, and other utilities required for work in this Division.

3.05 WASTEMANAGEMENT

A. Implement a waste management plan for all non-hazardous debris generated, emphasizing recycling and proper disposal.

SECTION 02 41 00

DEMOLITION

A. This section specifies the selective demolition and removal of existing interior and exterior building components, including finishes, fixtures, roofing, siding, damaged framing, and shower surrounds as required for new construction or repair work. This includes dismantling, removal, and disposal of non-hazardous elements.

B. Includes associated protection of occupants, existing utilities, landscaping, and adjacent structures.

C. Demolition work must comply with all requirements of Division 01, including dust control, HEPA filtration, and negative air where required.

A. Refer to Division 01, for Temporary Facilities and Controls (dust containment, barriers, occupancy coordination).

B. Refer to Section 02 80 00, for Discovery Protocols for Hazardous Materials.

C. Refer to Division 03, for Concrete Demolition Associated with Walkways and Trailer Pads.

1.03 FIELD CONDTIONS

A. Many buildings remain occupied, always maintain safe egress.

B. Protect existing gutters, downspouts, siding, and doors from damage. Contractor is responsible for repairing any resulting damage.

C. Protect existing utilities during excavation or demolition; use utility locating service before trenching.

D. Contractor must stop work and notify COR immediately if structural instability or hazardous materials are discovered.

3.01 SELECTIVE DEMOLITION

A. Remove only those components indicated in the SOW unless otherwise directed.

B. Roofing Removal:

1. Remove all existing roofing down to bare decking at all reroof locations.

2. Remove underlayments, flashings, vents, drips edges, and damaged decking.

3. Remove shingles and membranes carefully to avoid damaging gutters.

C. Bathroom Demolition:

1. Remove water-damaged gypsum board, insulation, cove base, and deteriorated framing.

2. Remove vanities, sinks, faucets, and showers scheduled for replacement.

3. Remove old shower surrounds and pans down to framing (per RFI clarification).

D. Flooring Demolition:

1. Remove existing carpet, padding, vinyl, and adhesives.

2. Grind or level subfloor to correct uneven surfaces to new flooring.

E. Concrete Demolition:

1. Remove damaged sidewalks, steps, and ramps entirely where full replacement is required.

2. Remove asphalt/concrete at trailer pad areas to new grade.

3.02 HAZARDOUS MATERIALS

A. No pre-existing hazardous materials surveys exist for buildings.

B. Contractor must assume presence of Lead-based Paint (LBP) and asbestos-containing materials (ACM) for structures built before 1978.

C. Contractor must:

1. Follow EPA RRP lead-safe practices

2. Use HEPA vacuums for dust.

3. Contain work areas with plastic barriers and negative air.

D. If suspect ACM or hazardous materials are discovered:

1. Immediately stop work in that area.

2. Notify COR.

3. Await Government direction.

4. Additional abatement work is not included in the base contract.

3.03 UTILITY DEMOLITION

A. Disconnect utilities only where indicated.

B. Cap or make safe all abandoned utilities.

C. Coordinate shutoffs with COR.

3.04 PATCHING AND REPAIRS

A. Repair surfaces exposed by demolition to receive new work.

B. Wall and ceiling substrates must be:

1. New 5/8” moisture-resistant gypsum board in bathrooms.

2. Standard 5/8” Type X gypsum at ceilings where tiles are removed.

C. Subfloors must be:

1. Re-fastened to eliminate squeaks.

2. Leveled using approved patching compounds.

3. Re-fastened to eliminate squeaks.

4. Leveled using approved patching compounds.

D. Replace damaged studs, plates, and sheathing as necessary.

3.05 DISPOSAL AND CLEANING

A. Remove demolished materials daily.

B. Dispose of materials legally off-site.

C. Maintain clean, safe work areas for building occupants.

SECTION 02 42 00

REMOVAL AND SALVAGE OF CONSTRUCTION MATERIALS

A. This section specifies procedures for the careful removal, handling, and storage of construction materials designated for salvage or recycling.

A. Refer to Section 02 41 00 for general demolition.

3.01 IDENTIFICATION OF SALVAGEABLE MATERIALS

A. Prior to demolition, identify and clearly mark all materials designated for salvage by the

COR.

3.02 CAREFUL REMOVAL

A. Remove salvageable materials in a manner that prevents damage and preserves their integrity for reuse or recycling.

3.03 CLEANING AND PREPARATION

A. Clean salvageable materials as directed by the COR to prepare them for storage or transport.

3.04 STORAGE

A. Store salvaged materials in a designated, secure, and weather-protected area on-site or transport them off-site to a location specified by the Owner.

3.05 RECYCLING

A. Separate and stage materials designated for recycling (e.g., metals, wood, concrete) for pickup by recycling services.

SECTION 02 80 00

DISCOVERY PROTOCOL FOR HAZARDOUS MATERIELS

A. This section applies when suspected hazardous materials are encountered during demolition.

A. Refer to Sections 02 81 00, 02 82 00, 02 83 00, 02 84 00, and 02 85 00 for specific hazardous material abatement protocols.

3.01 DISCOVERY PROTOCOL

A. Contractor must stop working immediately if suspected materials (asbestos, mold, requiring containment, LBP debris) are discovered.

B. Notify COR with written and photographic description.

C. Work in that zone shall not resume until Government provides written instructions.

D. Additional abatement work shall be handled via contract modification.

SECTION 02 81 00

TRANSPORTATION AND DISPOSAL OF HAZARDOUS MATERIALS

A. This section specifies the requirements for the safe and lawful transportation and disposal of all hazardous materials removed from the project site, when hazardous containing materials are encountered.

A. Refer to Sections 02 80 00 through 02 85 00 for the abatement of specific hazardous materials.

3.01 PACKAGING

A. Package all hazardous waste materials in approved containers, properly labeled and sealed, in accordance with DOT and EPA regulations.

3.02 MANIFESTS

A. Prepare and maintain all required manifests, shipping papers, and other documentation for hazardous waste transportation.

3.03 LICENSED TRANSPORTER

A. Utilize only licensed hazardous waste transporters for the removal of hazardous materials from the site.

3.04 APPROVED DISPOSAL FACILITIES

A. Dispose of all hazardous materials at facilities licensed and approved for the specific type of waste being disposed.

3.05 DOCUMENTATION

A. Provide the COR with copies of all manifests, waste profiles, certificates of disposal, and other relevant documentation upon completion of disposal.

SECTION 02 82 00

ASBESTOS REMEDIATION

A. This section specifies the identification, safe removal, encapsulation, or enclosure of asbestos-containing materials (ACMs) from the project site, when suspected ACMs are encountered.

A. Refer to Sections 02 80 00 and 02 81 00 for general hazardous material requirements and disposal.

2.01 CONTAINMENT MATERIALS

A. Polyethylene sheeting, duct tape, negative air machines with HEPA filtration.

2.02 PERSONAL PROTECTIVE EQUIPMENT (PPE)

A. As required by OSHA and EPA for asbestos abatement.

2.03 ENCAPSULANTS/SEALANTS:

A. Asbestos-approved coatings for encapsulation, if specified.

3.01 QUALIFIED PERSONNEL

A. Where applicable, all asbestos abatement shall be performed by contractor personnel who are experienced and certified in asbestos abatement safe work practices.

3.02 WORK PLAN

A. Where applicable, submit a detailed asbestos abatement work plan, including containment procedures, negative air pressure requirements, worker protection, waste handling, and air monitoring plan, for COR review and approval prior to commencing work.

3.03 CONTAINMENT

A. Where applicable, establish full containment barriers with negative air pressure where friable ACMs are being removed.

3.04 REMOVAL PROCEDURES

A. Where applicable, remove ACMs using wet methods and other approved techniques to minimize fiber release.

3.05 DISPOSAL

A. Dispose of all asbestos waste in accordance with Section 02 81 00.

SECTION 02 83 00

LEAD REMEDIATION

A. This section specifies the identification, safe removal, stabilization, or encapsulation of lead-based paint (LBP) and other lead-containing materials from the project site, when suspected lead containing materials are encountered.

A. Polyethylene sheeting, duct tape.

A. As required by OSHA and EPA for lead abatement.

2.03 ENCAPSULANTS/SEALANTS:

A. Lead-approved coatings for encapsulation or stabilization, if specified.

3.01 QUALIFIED PERSONNEL

A. Where applicable, all lead remediation shall be performed by contractor personnel who are experienced and certified in lead-safe work practices, in accordance with EPA RRP Rule and OSHA Lead in Construction Standard.

3.02 WORKPLAN

A. Where applicable, submit a detailed lead remediation work plan, including containment procedures, worker protection, waste handling, and clearance testing plan, for COR review and approval.

A. Establish containment barriers to prevent the spread of lead dust and debris.

3.04 REMOVAL/STABILIZATION PROCEDURES

A. Use approved methods such as wet scraping, chemical stripping, or enclosure/encapsulation to address LBP, minimizing lead dust generation.

3.05 CLEANUP AND CLEARANCE

A. Conduct thorough cleanup using HEPA vacuums and wet wiping.

3.06 DISPOSAL

A. Dispose of all lead-containing waste in accordance with Section 02 81 00.

SECTION 02 84 00

MOLD REMEDIATION

A. This section specifies the assessment, containment, removal, and treatment of mold growth and mold-contaminated materials from the project site, addressing issues such as mold from previous building or roof leaks, when suspected mold containing materials are encountered.

A. Polyethylene sheeting, duct tape, negative air machines with HEPA filtration.

A. As required for mold remediation.

2.03 BIOCIDES/FUNGICIDES

A. EPA-approved products for mold treatment, where applicable.

3.01 QUALIFIED CONTRACTOR

A. Where applicable, all mold remediation shall be performed by contractor personnel who are experienced and certified in mold remediation protocols.

3.02 WORKPLAN

A. Where applicable, submit a detailed mold remediation work plan, including containment procedures, negative air pressure, worker protection, waste handling, and post-remediation verification plan, for COR review and approval.

A. Where applicable, establish containment barriers to prevent the spread of mold spores to uncontaminated areas. Utilize negative air pressure and HEPA filtration.

3.04 MOISTURE SOURCE IDENTIFICATION

A. Identify and rectify the source of moisture causing the mold growth (e.g., repair leaks) prior to or concurrently with remediation

3.05 REMOVAL PROCEDURES

A. Remove and properly dispose of all mold-contaminated porous materials.

B. Clean and treat non-porous surfaces.

3.06 POST-REMEDIATION VERIFICATION

A. Conduct post-remediation visual inspection.

3.07 DISPOSAL

A. Dispose of all mold-contaminated waste in sealed bags in accordance with Section 02 81 00.

SECTION 02 85 00

HAZARDOUS MATERIAL ABATEMENT

A. This section specifies the comprehensive requirements for the abatement, removal, and disposal of all hazardous materials identified on the project site. This includes, but is not limited to, asbestos, lead, and mold.

A. Refer to Section 02 81 00 for transportation and disposal specifics.

2.01 ABATEMENT MATERIALS

A. Containment barriers, negative air machines, HEPA filters, PPE, approved encapsulants, and cleaning agents specific to the hazardous material being abated.

3.01 PRE-ABATEMENT SURVEY AND NOTIFICATION

A. Where applicable, the Contractor shall review the hazardous materials survey report.

B. Where applicable, notify the COR prior to commencing abatement.

3.02 QUALIFIED PERSONNEL

A. Where applicable, all hazardous material removal and abatement work shall be performed by contractor personnel that are licensed and certified for the specific type of hazardous material being abated, in accordance with all applicable federal, state, and local regulations.

3.03 SITE-SPECIFIC HEALTH AND SAFETY PLAN (HASP)

A. Where applicable, develop and implement a HASP for all hazardous material abatement operations, detailing procedures for worker protection, emergency response, and public notification.

3.04 CONTAINMENT AND ENGINEERING CONTROLS

A. Where applicable, establish appropriate containment barriers (e.g., critical barriers, decontamination units, negative air pressure) to prevent the release of hazardous materials to uncontaminated areas.

3.05 ABATEMENT PROCEDURES

A. Where applicable, perform abatement using approved methods to minimize disturbance and release of hazardous materials. This includes methods specific to asbestos, lead, mold, and any other identified hazardous substances.

3.06 AIR MONITORING AND CLEARANCE

A. Where applicable, conduct air monitoring as required during and after abatement.

3.07 WASTE HANDLING AND DISPOSAL

A. Where applicable, package, label, transport, and dispose of all hazardous waste materials in accordance with Section 02 81 00 and all applicable regulations.

3.08 DOCUMENTATION

A. Where applicable, maintain comprehensive records of all abatement activities, including permits, worker certifications, air monitoring reports, waste manifests, and clearance reports.

DIVISION 03 - CONCRETE

SECTION 03 10 00

CONCRETE FORMING AND ACCESSORIES

A. This section includes forming and accessories for concrete trailer pads, walkways, ramps, and steps.

B. All requirements apply to full concrete replacement identified in the Schedule of Items and expanded through RFI clarifications.

A. Refer to Division 01 - General Requirements.

B. Refer to Division 31 – Earthwork

1.03 FIELD CONDITIONS

A. Contractor must field-verify all pad, walkway, and step dimensions prior to forming.

B. Protect adjacent structures, utilities, and vegetation during forming and placement.

2.01 MATERIALS

A. Forms shall be wood or metal, smooth, clean, free of defects.

B. Form-release agents shall not stain concrete.

3.01 FORM INSTALLATION

A. Install forms to true lines and grades as marked in the field by COR.

B. Ensure tight joints to prevent leakage of cement paste.

SECTION 03 20 00

REINFORCING STEEL

A. This section applies to the reinforcing requirements for the construction of concrete pads, ramps, stairs, and walkways.

2.01 REINFORCING MATERIALS

A. Reinforcing Bars:

1. Grade 60, #4 rebar required for trailer pads.

2. #3 or #4 permitted for walkways and steps where specified.

B. Reinforcement Accessories:

1. Plastic-tipped chairs or spacers adequate to maintain reinforcement at mid-slab depth.

3.01 REINFORCEMENT PLACEMENT

A. Trailer Pads:

1. Install #4 bars at 12” on center each way, tied into a rigid grid.

2. Match RFI-clarified structural requirement.

B. Walkways and Ramps:

1. Provide 6x6-W1.4/W1.4 welded wire mesh or #3 rebar @16” O.C. each way.

2. Provide continuous reinforcement at edges and transitions.

C. Maintain reinforcement cover in compliance with ACI standards.

SECTION 03 30 00

CAST-IN-PLACE CONCRETE

A. This section includes cast-in-place concrete for:

1. Trailer pads (12 ft. x 25 ft.)

2. Walkway and ramp replacements (Lee Vining Ranger Station, Rock Creek House, etc.)

3. Concrete steps and landings.

A. Concrete work shall comply with ACI 301 and 318.

B. Use a ready-mix supplier experienced with high-altitude freeze-thaw environments.

1.03 FIELD CONDITIONS

A. Work must not proceed during freezing conditions unless protective measures are used.

B. Subgrade must be compacted and stable prior to concrete placement.

2.01 CONCRETE MATERIALS

A. Compressive Strength: Minimum 4,000 psi at 28 days.

B. Air Entraining: Required for all exterior concrete to reduce freeze-thaw damage.

C. Water, aggregates, cement, and admixtures shall comply with ASTM standards.

2.02 SLAB THICKNESS & STRUCTURAL REQUIREMENTS

A. Trailer Pads:

1. Minimum 6-inch uniform thickness required.

2. Place a minimum 4-ich compacted ABC sub-base.

B. Walkways, Steps, and Ramps:

1. Minimum 4-ich concrete thickness unless otherwise shown.

2. Ramps must comply with ADA slope ratios and landings.

2.03 FINISHES

A. All exterior concrete surfaces shall receive a broom finish, perpendicular to direction of travel.

B. Stamped concrete (Rock Creek Barracks East):

1. Required when existing stamped concrete is being replaced.

2. Must match existing pattern and integral color.

3. Apply sealer as recommended by manufact

3.01 SUBGRADE PREPARATION

A. Subgrade must be:

1. Compacted to 95% maximum dry density (trailer pads).

2. Compacted to 90% maximum dry density (walkways/ramps)

3. Free of organic material.

B. Contractor must remove unsuitable soils and haul offsite if directed.

3.02 CONCRETE PLACEMENT

A. Coordinate with COR for inspection of forms, reinforcement, and subgrade prior to concrete placement.

B. Consolidate concrete to eliminate voids; do not overwork surface.

3.03 CURING

A. Begin curing immediately after finishing.

B. Provide moisture curing or membrane-forming curing compound.

3.04 FIELD QUALITY CONTROL

A. Provide slump, temperature, and air content tests for each batch.

B. Perform compressive strength tests per ASTM C39.

SECTION 03 35 00

CONCRETE FINISHING

A. This section applies to finishing all exterior concrete surfaces.

A. Non-slip broom finish is required for all pedestrian surfaces.

B. Stamped concrete coloring must be integral color, not surface broadcast.

A. Apply finish consistent with adjacent existing conditions.

B. Stamped concrete must match existing pattern and layout.

DIVISION 06 – WOOD, PLASTICS, AND COMPOSITES

SECTION 06 10 00

ROUGH CARPENTRY

A. Includes structural wood framing, blocking, flurring, sheathing repair, and wall reconstruction.

B. Work incorporates reinforced requirements for structural repairs identified in RFIs (e.g., Crestview Cabin 1120 leaning wall issue).

C. Applies:

1. Wall framing repairs due to rot, deflection, or water damage.

2. New blocking required for vanities, cabinets, wall-hung units, grab bars, shower rods.

3. Ceiling furring for drywall conversion.

A. Section 07 40 00 - Siding.

B. Section 09 21 00 - Gypsum Board.

C. Section 06 40 00 - Architectural Woodwork.

1.03 FIELD VERIFICATION

A. Contractor must verify existing framing, including plumb and load bearing conditions, prior to repairs.

B. Notify COR if concealed conditions extend beyond anticipated scope.

2.01 LUMBER Materials

A. Structural Lumber shall be:

1. No.2 Douglas Fir-Lach or better.

2. Pressure-treated where in contact with concrete or soil.

B. Blocking for wall-hung vanities, cabinets, and accessories shall be:

1. Minimum 2x6 or larger, continuous, securely fastened.

2.02 PANEL MATERIALS

A. Plywood sheathing shall match existing thickness, minimum 15/32” exterior grade.

B. For structural repairs (e.g., bowed walls), COR must specify reinforcement plates or straps.

3.01 GENERAL FRAMING INSTALLATION

A. Install framing true, square, and in accordance with engineered repair designs when required.

B. Replace deteriorated studs, sills, top plates, and cripple studs as necessary.

3.02 SPECIAL STRUCTURAL CASE – CRESTVIEW CABIN 1120

A. Structural repairs must:

1. Jack and re-plumb the leaning south wall as required.

2. Install new reinforcement plates or steel straps where studs are split or bowed.

3. Replace damaged framing components.

B. All repairs must be engineered and stamped by a California-licensed Structural or Civil Engineer.

3.03 FURRING AND SUPPORT FOR CEILING CONVERSIONS

A. Install new wood furring or framing support drywall replacing ceiling tiles.

B. Ensure level, continuous substrate for 5/8” Type X gypsum board.

3.04 BLOCKING FOR WALL-HUNG COMPONENTS

A. Install continuous blocking for:

1. Wall-hung vanities.

2. Shower rods.

3. Bathroom accessories.

4. Grab bars (if required).

SECTION 06 40 00

ARCHITECTURAL WOODWORK

A. This section includes fabrication and installation of cabinets, vanities, countertops, and associated woodwork.

A. All fabrications must comply with the Architectural Woodwork Institute (AWI), Architectural Woodwork Standards (AWS).

B. Cheap or non-rated cabinetry is not permitted.

1.03 SUBMITTALS

A. Shop drawings indicating dimensions, materials, and configurations.

B. Sample of laminates, finishes, and countertop materials.

2.01 CABINET CONSTRUCTION

A. Cabinet Boxes must be:

1. ¾” hardwood veneer plywood, minimum.

2. Industrial-grade melamine permitted only for drawer boxes or shelves.

B. Face frames, doors, and drawers must be solid wood (Poplar or Maple), factory primed.

2.02 VANITY TOPS

A. Provide solid surface or cultured marble with integrated bowl.

B. Include a 4” backsplash.

C. Approved colors selected by Government during submittals.

2.03 COUNTERTOPS

A. Countertops must be:

1. High-Pressure Decorative Laminate (HPL).

2. Substrate: Minimum 1-1/8” moisture-resistant particleboard or plywood.

B. Post-formed seamless edges unless island configuration requires square edge.

3.01 INSTALLATION OF CASEWORK

A. Install level, plumb, and secure.

B. Protect existing cabinets during countertop replacement.

3.02 VANITY REPLACEMENT

A. Replace vanities in kind (wall-hung replaced with wall-hung; floor-standing replaced with floor-standing).

B. Provide blocking where required.

C. Patch wall and floor surfaces exposed during removal.

3.03 COUNTERTOP INSTALLATION

A. Provide accurate cutouts for sinks and plumbing.

B. Seal all exposed substrate edges.

C. Install sinks and faucets as part of coordinated plumbing work.

SECTION 06 70 00

PLASTIC FABRICATIONS

A. This section specifies requirements for composite decking materials and similar manufactured plastic items.

A. Composite Decking:

1. Required where deck replacement occurs (e.g., Crestview Cabin 1122, 1012 Lee Vining

House).

2. Boards must include 20-mil wear layer, capped composite profile.

B. Fasteners:

1. Hidden fasteners or color-matched screws.

A. Install per manufacturer requirements.

B. Ensure adequate ventilation below decking.

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

SECTION 07 27 00

AIR BARRIERS

A. This section specifies requirements for weatherstripping at doors and windows to reduce air leakage and improve energy efficiency.

1.02 SUBMITTALS

A. Product Data: For each type of weatherstripping and sealant material.

2.01 WEATHERSTRIPPING

A. Compression Seals (for Door Frames):

1. Shall be a durable, kerf-in or surface-mounted compression-type seal made of EPDM rubber or thermoplastic elastomer (TPE), designed to provide a continuous seal around the door perimeter.

B. Adhesive-Backed Seals (for Windows/Secondary Applications):

1. Shall be a high-density, closed-cell foam or EPDM rubber tape with a high-performance, long-lasting adhesive backing. For use on window sashes or other locations where compression seals are not feasible.

C. Door Bottoms and Sweeps:

1. Shall be an adjustable surface-mounted or U-shaped slide-on-door bottom with a flexible vinyl or brush seal to provide a tight seal at the threshold.

2.02 PERIMETER SEALANTS

A. Exterior Perimeter Sealant:

1. Shall be a high-performance, exterior-grade sealant conforming to ASTM C920, Class 25, Grade NS. Material shall be paintable and suitable for providing a continuous, weatherproof seal between window/door frames and the adjacent wall construction (siding, trim).

2.03 FOAM SEALANTS (FOR ROUGH OOPENINGS)

A. Window and Door Foam Sealant:

1. Shall be a low-pressure, low-expansion, AAMA-approved polyurethane foam sealant specifically formulated for insulating and sealing the gap between window/door frames and the rough opening. Foam shall not bow or deform frames.

3.01 PREPARATION

A. Examination: Before installation, inspect all door and window frames to ensure they are sound and in a suitable condition to receive new seals.

B. Removal: Completely remove all old, deteriorated, or failed weatherstripping and sealant

C. Surface Cleaning: Thoroughly clean all surfaces that will receive new seals or sealants.

Surfaces must be free of dust, dirt, grease, oil, and any loose material. Use solvents for cleaning only as recommended by the sealant or adhesive manufacturer. Ensure surfaces are completely dry before installation.

3.02 INSTALLATION

A. General: Install all air barrier components in strict accordance with the manufacturer's written instructions to form a continuous and complete air seal.

B. Weatherstripping:

1. Install weatherstripping around the full perimeter of all exterior doors and operable windows as specified in the SOW.

2. Ensure seals are continuous at corners and provide a complete seal when the door or window is closed.

3. The final installation shall not interfere with the normal, smooth operation of the door or window.

C. Exterior Perimeter Sealant:

1. For joints wider than 1/4 inch, install compatible backer rod to control sealant depth.

2. Apply sealant in a continuous, uniform bead without gaps or voids.

3. Tool the sealant immediately after application to ensure full contact with joint surfaces and to create a smooth, concave finish.

D. Window and Door Foam Sealant:

1. Apply low-expansion foam sealant into the gap between the window/door frame and the rough opening.

2. Apply in accordance with the manufacturer's…