25-032-ITB_ARFF_Station_#1_Refurb_-_Phase_4_-_Technical_Specs.pdf

Kenton County Airport Board Cincinnati/Northern KY International Airport

Interior/Exterior Upgrades – Phase 4

South ARFF Fire Station

Issued for Bidding: May 2025 TOC - 1/1 Table of Contents

Table of Contents

General Requirements

DIVISION 01 - GENERAL REQUIREMENTS

011000 SUMMARY 8

Architectural

DIVISION 02 - EXISTING CONDITIONS

024119 SELECTIVE DEMOLITION 6

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

079200 JOINT SEALANTS 8

DIVISION 08 - OPENINGS

081113

084113

087100

088000

HOLLOW METAL DOORS AND FRAMES

ALUMINUM-FRAMED ENTRANCES AND STOREFRONT

DOOR HARDWARE

GLAZING

DIVISION 09 - FINISHES

096513 RESILIENT BASE AND ACCESSORIES 4

099113 EXTERIOR PAINTING 6

099123 INTERIOR PAINTING 7

DIVISION 23 – Mechanical

230501- COMMON REQUIREMENTS FOR HVAC

230505- EXISTING CONDITIONS AND DEMOLITION

230533- IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT

230593- TESTING, ADJUSTING, AND BALANCING FOR HVAC

230713- DUCT INSULATION

230719- HVAC PIPING INSULATION

230923- DIRECT DIGITAL CONTROL (DDC) SYSTEM FOR HVAC

232116- HYDRONIC PIPING SPECIALTIES AND VALVES

233113- METAL DUCTWORK

233600- AIR TERMINAL UNITS (VAVS)

DIVISION 26 – Electrical

260010- GENERAL REQUIREMENTS FOR ELECTRICAL SYSTEMS

260500- COMMON WORK RESULTS FOR ELECTRICAL SYSTEMS

260505- SELECTIVE DEMOLITION FOR ELECTRICAL

260519- LOW-VOLTAGE ELECTRICAL POWER, CONDUCTORS AND CABLES

260526- GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

260533- RACEWAYS AND FITTINGS FOR ELECTRICAL SYSTEMS

260553- IDENTIFICATIONS FOR ELECTRICAL SYSTEMS

262726- WIRING DEVICES AND PLATES

END OF TABLE OF CONTENTS

Interior/Exterior Upgrades- Phase 4

Issued for Bidding: May 2025 011000 - 1/8 Summary

SECTION 011000 - SUMMARY

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Project information.

2. Work covered by Contract Documents.

3. Schedule and Submittals

4. Work by Owner.

5. Work under separate contracts.

6. Coordination with occupants.

7. Work restrictions.

8. Specification and drawing conventions.

9. Permits and Fees.

10. Safety and Protection.

1.3 PROJECT INFORMATION

A. Project Identification: Phase 4 Interior/Exterior Upgrades South ARFF Fire Station

1. Project Location: Boone County, Kentucky.

B. Owner: CINCINNATI / NORTHERN KENTUCKY INTERNATIONAL AIRPORT P.O. Box 752000 Cincinnati, OH

45275-2000.

1.4 WORK COVERED BY CONTRACT DOCUMENTS

A. The Scope of Work is defined by the Contract Documents and consists of the following:

1. The replacement of hollow metal doors & frames, aluminum storefront systems and VAV boxes and miscellaneous interior work.

2. Coordination and execution of all demolition/renovation activities including:

a. Removal and legal disposal of demolished material.

b. Salvaging items for reuse or storage by Owner.

c. Conformance and implementation of all requirements dictated by federal, state and local authorities having jurisdiction.

B. Type of Contract:

1. Project will be constructed under a single prime contract using Owners Standard Construction

Contract.

1.5 SCHEDULES AND PLAN SUBMITTALS

A. Construction Schedule submitted prior to the commencement of work.

Issued for Bidding: May 2025 011000 - 2/8 Summary

1. Contractor shall submit a comprehensive, fully developed, horizontal, Gantt-chart-type, Contractor's construction schedule within 30 days of the Notice of Award. Base schedule on the

Owner’s startup construction schedule and all additional information received pre and post bid due date.

2. Preparation: Indicate each significant construction activity separately. Identify first workday of each week with a continuous vertical line.

3. For construction activities that require three months or longer to complete, indicate an estimated completion percentage in 10 percent increments within time bar.

B. Contractor's Construction Schedule Updating: At monthly intervals, update schedule to reflect actual construction progress and activities. Issue schedule one week before each regularly scheduled progress meeting.

1. Revise schedule immediately after each meeting or other activity where revisions have been recognized or made. Issue updated schedule concurrently with the report of each such meeting.

2. Include a report with updated schedule that indicates every change, including, but not limited to, changes in logic, durations, actual starts and finishes, and activity durations.

C. As the Work progresses, indicate final completion percentage for each activity

1.6 WORK BY OWNER

A. General: Cooperate fully with Owner so work may be carried out smoothly, without interfering with or delaying work under this Contract or work by Owner. Coordinate the Work of this Contract with work performed by Owner.

B. Preceding Work: Owner shall remove and salvage furniture, casework, equipment, devices, materials deemed of value. Those operations are scheduled to be substantially complete before work under this

Contract begins.

1.7 WORK UNDER SEPARATE CONTRACTS

A. General: Cooperate fully with separate contractors so work on those contracts may be carried out smoothly, without interfering with or delaying work under this Contract or other contracts. Coordinate the Work of this Contract with work performed under separate contracts.

1.8 COORDINATION WITH OCCUPANTS

A. Partial Owner Occupancy: Owner will occupy the site and maintain airfield operations during the entire construction period. Cooperate with Owner during construction operations to minimize conflicts and facilitate Owner usage. Perform the Work so as not to interfere with Owner's operations. Maintain existing exits unless otherwise indicated.

1. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities.

Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from Owner and authorities having jurisdiction.

2. Provide not less than 72 hours' notice to Owner of activities that will affect Owner's operations.

1.9 WORK RESTRICTIONS

A. Work Restrictions, General: Comply with restrictions on construction operations.

1. Comply with limitations on use of public streets and with other requirements of authorities having jurisdiction.

Issued for Bidding: May 2025 011000 - 3/8 Summary

B. On-Site Work Hours: Working hours Monday through Sunday shall not be limited but shall be in compliance with FAA rules and regulation.

C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after providing temporary utility services according to requirements indicated:

1. Notify Owner and Project Coordinator not less than two days in advance of proposed utility interruptions.

2. Obtain Project Coordinator’s written permission before proceeding with utility interruptions.

D. Noise, Vibration, Odors and Dust: Coordinate operations that may result in high levels of noise and vibration, odors, dust or other disruption to Owner occupancy with Owner.

1. Notify Owner and Project Coordinator not less than two days in advance of proposed disruptive operations.

2. Obtain Project Coordinator’s written permission before proceeding with disruptive operations.

3. Dust control shall include the concurrent application of water to control the creation and movement of dust clouds. NO additional compensation shall be made for water dust control requirements of the Owner or Engineer.

E. Code of Conduct: The contractor shall establish and enforce a CODE OF CONDUCT for all individuals working on the airport grounds. The Owner is the sole arbiters of what constitutes a violation resulting in immediate and permanent removal from the project.

1. All workers are required to wear shirts.

2. Smoking and tobacco use of any kind is prohibited.

3. Alcohol consumption and illicit drug use is prohibited.

4. Firearms and switchblades are prohibited.

5. Profanity and any other foul language or phrases are prohibited.

6. Fraternizing with airport personal is prohibited.

7. Radios, CD players and tape players are prohibited.

1.10 SPECIFICATION AND DRAWING CONVENTIONS

A. Specification Content: The Specifications use certain conventions for the style of language and the intended meaning of certain terms, words, and phrases when used in particular situations. These conventions are as follows:

1. Imperative mood and streamlined language are generally used in the Specifications. The words

"shall," "shall be," or "shall comply with," depending on the context, are implied where a colon (:)

is used within a sentence or phrase.

2. Specification requirements are to be performed by Contractor unless specifically stated otherwise.

B. General Requirements: Requirements of all the Kenton County Airport Board contract documents and

Sections in Division 01 apply to the Work of ALL Sections in the Specifications.

C. Drawing Coordination: Requirements for materials and products identified on Drawings are described in detail in the Specifications. One or more of the following are used on Drawings to identify materials and products:

1. Terminology: Materials and products are identified by the typical generic terms used in the individual Specifications Sections.

2. Abbreviations: Materials and products are identified by abbreviations published as part of the

U.S. National CAD Standard.

Issued for Bidding: May 2025 011000 - 4/8 Summary

3. Keynoting: Materials and products are identified by keynotes and by association to respective

Specification Sections.

1.11 PERMITS AND FEES

A. The Contractor shall obtain and pay for the local building permit. The original upon receipt shall be kept on display at the site and a copy will be furnished to the Owner. The contractor and or subcontractors shall obtain and pay for all other necessary permits, governmental fees, licenses and inspections required for the proper execution and completion of the scope of work requiring additional permits and/or fees.

1. Contractor shall schedule and include costs for inspections and testing in order to prevent delays.

Multiple tests or comebacks as may be required for this coordination shall be included.

1.12 SAFETY AND PROTECTION

A. The Architect’s and Engineer’s on site observations of the work are not intended to include review of the adequacy of the Contractor’s safety measures on or near the site. Compliance with all regulations pertaining to safety and health is the complete responsibility of the Contractor. Contractor shall be solely responsible for safety and protective measures in order to protect persons and property.

B. Contractor shall comply with all OSHA regulations and shall submit to Owner the required Material

Safety Data Sheets for any hazardous material they may use or bring on the site in the performance of their work. Contractors are to submit site-specific MSDS sheets, organized in a binder. If a catalog is submitted, it shall be properly tabbed with job site-specific items identifying each hazardous chemical on the work place.

C. This is a 100% eye protected project. Any contractor employee that doesn’t have the required eye protection shall be required to leave the site until such eye protection is obtained.

D. Safety measures shall include barricades and trench boxes at all open excavations. All Sub-Contractors prior to the start of work must execute an affidavit verifying compliance.

1. Contractor and Subcontractors are to provide to the Owner a written safety plan to be utilized in the execution of the work.

2. All doorways affected by construction need to be maintained for life safety. All individuals are required to keep their materials, equipment, tools and supplies away from all exterior doors in the construction area. These doors will be used as emergency egress only and shall not to be blocked or barricaded for any reason.

PART 2 - PRODUCTS

2.1 PRODUCT SELECTION DEFINITIONS

A. Where Specifications include the phrase "as selected from manufacturer's colors, patterns, and textures" or a similar phrase, select a product that complies with other specified requirements.

1. Standard Range: Where Specifications include the phrase "standard range of colors, patterns, textures" or similar phrase, Architect will select color, pattern, density, or texture from manufacturer's product line that does not include premium items.

2. Full Range: Where Specifications include the phrase "full range of colors, patterns, textures" or similar phrase, Architect will select color, pattern, density, or texture from manufacturer's product line that includes both standard and premium items.

Issued for Bidding: May 2025 011000 - 5/8 Summary

PART 3 - EXECUTION

3.1 GENERAL REQUIREMENTS

A. The General Contractor shall be responsible for and have control over all construction means, methods, manners, techniques, sequences and procedures for all portions of the Work and shall be responsible for any injury or damage which may result from improper construction, installation, maintenance or operation to the fullest extent permitted by law.

1. Providing submittals including product data, material certificates and meeting quality assurance items including testing standards and preinstallation conferences are the sole responsibility of the Contractor. Failure of the Contractor to provide information requested or proof of quality standards established for this project does not absolve the Contractor in meeting all industry standards and quality required in the execution of the work as defined in the contract documents and agreement between Owner and Contractor.

B. The Contractor shall perform all related work shown on the Contract Documents other than those items specifically indicated to be excluded.

1. The Scope of Work takes precedence over the drawings and specifications in the event of a conflict in trade assignment or responsibility.

2. Where drawings or specifications exceed code requirements, the drawings and specifications shall govern. Install no work contrary to minimum legal standards

3. Quantities of materials if noted on the drawings are for information only.

C. Conflicts between Industry/trade standards and manufacturer’s written recommendations shall be immediately brought to the attention of the Project Coordinator. Contactor shall assume all responsibility for installation of systems and materials that do not meet BOTH Industry/trade standards and manufacturer’s written recommendations or are known, suspected, or proven to distort, crack, or fail in any way without written notice to the Architect and Owner.

3.2 SUBMITTALS, SHOP DRAWINGS, AND COLOR SUBMISSIONS

A. Providing the various submittals requested throughout the contract documents shall be the sole responsibility of the contractor. Submissions intentionally or un-intentionally not provided do not relieve the Contractor of providing materials and installations as specified in the contract documents acceptable to the Architect and Owner.

B. The Contractor shall review and approve all submittals including shop drawings and samples prior to submitting to the Architect for review for completeness including required samples for finish and color selections. The architect’s review of shop drawings does not relieve the contractor from providing all material and work shown and described on the contract documents. The architect’s approval of shop drawings is limited to conformance with the design intent implied through the contract documents.

1. Pictures or facsimiles that do not guarantee color accuracy of the material or finish are not acceptable submittals.

2. The contractor shall verify all dimensions and locations and be responsible for coordination drawings of items furnished by their supplier and sub-contractors, when modified, adjusted or relocated from what was shown or described on the contract documents. Coordination drawings shall be submitted with respective shop drawings. Review of shop drawings and coordination drawings by the Architect or their consultants does not relieve the contractor from verifying and accepting responsibility for all measurements and dimensions.

3. SHOP DRAWINGS AND COORDINATION DRAWINGS ARE NOT CONTRACT DOCUMENTS. They are instruments prepared and used by the contractor, suppliers, sub-contractors and others as

Issued for Bidding: May 2025 011000 - 6/8 Summary directed by the contractor to facilitate in the execution of the work and as such cannot and shall not be used to reduce or change the scope of work defined by the contract documents.

3.3 COORDINATION AND SUBSTITUTION OF WORK FOR CONTRACTOR CONVENIENCE

A. Coordination Drawings shall be prepared and submitted, according to requirements in individual

Sections, and additionally where installation is not completely shown on Shop Drawings, where limited space availability necessitates coordination, or if coordination is required to facilitate integration of products and materials fabricated or installed by more than one entity. Coordination of the work between the various trades is critical in accomplishing the design intent expressed by the contract documents. The Contractor is expected to complete well-developed coordination drawings and provide vigilant supervision to ensure the installations of the various trades and building systems are in accordance with the contract documents.

B. The Owner shall not be charged for work or adjustments to the work due to deficient coordination drawings, a lack of coordination between subcontractors, or lack of vigilant field supervision by the

Contractor.

C. The Owner reserves the right to be fairly compensated for the acceptance of work substituted for convenience by the contractor due to deficient coordination drawings, a lack of coordination between subcontractors, or lack of vigilant field supervision by the Contractor.

D. The Owner reserves the right to be fairly compensated when accepting work, of no added value to the

Owner that is substituted for convenience or because of a construction or dimensional error by the contractor and is a cost benefit to the Contractor.

3.4 MOISTURE CONTROL PLAN

A. The following Moisture Control Plan is intended for buildings to remain and is intended to be an additional source of information, and at times, a clarification to the Construction Drawings and

Specifications. The Contractor shall perform all related work shown on the Contract Documents

(Construction Drawings, Specifications, Scopes of Work) other than those items specifically indicated below to be excluded.

1. The following Moisture Control procedure related to buildings shall be implemented throughout the course of the work:

a. Take all precautions necessary to maintain all interior spaces in a dry condition. The

Contractor shall remove all standing water or ice throughout the building, in slab recesses, pits, etc., immediately following rains or snow. This Contractor shall take precautions to minimize major water infiltration until such time as the building is enclosed.

b. When a water spill or piping leak occurs in partially or fully enclosed building areas, the

Contractor shall immediately take measures to clean up the area affected, stop the water infiltration, and remove any saturated materials (i.e. drywall, carpet, insulation, etc.)

within 24-hours of the occurrence. The General Contractor shall assist the Owner in the investigation of the leak/spill.

2. Contractor shall take special precautions to maintain all interior spaces in a dry condition. Prior to the start of any “wet” work such as core drilling or testing of piping where water must be introduced into a dry space, the Contractor and/or their Subcontractors performing the work shall control/contain water and ultimately eliminate the water and humidity. Protect all surrounding finishes. Spills are to be cleaned up immediately, and adjacent materials that become wet and are susceptible to mold growth shall be removed and replaced at the

Contractor’s expense.

Issued for Bidding: May 2025 011000 - 7/8 Summary

3. Contractor shall report any incidents involving water infiltration into interior spaces.

3.5 INSTALLATION

A. Layout of the Work.

1. The Contractor shall make all necessary field measurements to insure correct fitting. Field verify locations and conditions. Coordinate work with all trades to avoid conflicts or delay.

2. The Contractor shall take measurements at the site and be responsible for same before ordering materials or doing work which is dependent on proper size or installation or coordination with the building.

B. Locate the Work and components of the Work accurately, in correct alignment and elevation, as indicated.

1. Make vertical work plumb and make horizontal work level.

2. Where space is limited, install components to maximize space available for maintenance and ease of removal for replacement.

3. Conceal pipes, ducts, and wiring in finished areas unless otherwise indicated.

4. Maintain minimum headroom clearance of 96 inches in occupied spaces and 90 inchesin unoccupied spaces.

C. Comply with manufacturer's written instructions and recommendations for installing products in applications indicated.

D. Install products at the time and under conditions that will ensure the best possible results. Maintain conditions required for product performance until Substantial Completion.

E. Conduct construction operations so no part of the Work is subjected to damaging operations or loading in excess of that expected during normal conditions of occupancy.

F. Sequence the Work and allow adequate clearances to accommodate movement of construction items on site and placement in permanent locations.

G. Tools and Equipment: Do not use tools or equipment that produce harmful noise levels.

H. Templates: Obtain and distribute to the parties involved templates for work specified to be factory prepared and field installed. Check Shop Drawings of other work to confirm that adequate provisions are made for locating and installing products to comply with indicated requirements.

I. Attachment: Provide blocking and attachment plates and anchors and fasteners of adequate size and number to securely anchor each component in place, accurately located and aligned with other portions of the Work. Where size and type of attachments are not indicated, verify size and type required for load conditions.

1. Mounting Heights: Where mounting heights are not indicated, mount components at heights directed by Architect.

2. Allow for building movement, including thermal expansion and contraction.

3. Coordinate installation of anchorages. Furnish setting drawings, templates, and directions for installing anchorages, including sleeves, concrete inserts, anchor bolts, and items with integral anchors, that are to be embedded in concrete or masonry. Deliver such items to Project site in time for installation.

Issued for Bidding: May 2025 011000 - 8/8 Summary

J. Joints: Make joints of uniform width. Where joint locations in exposed work are not indicated, arrange joints for the best visual effect. Fit exposed connections together to form hairline joints.

K. Hazardous Materials: Use products, cleaners, and installation materials that are not considered hazardous.

3.6 PROGRESS CLEANING

A. General: Clean Project site and work areas.

1. Comply with requirements in NFPA 241 for removal of combustible waste materials and debris.

2. Coordinate progress cleaning for joint-use areas where Contractor and other contractors are working concurrently.

B. Limiting Exposures: Supervise construction operations to assure that no part of the construction completed or in progress, is subject to harmful, dangerous, damaging, or otherwise deleterious exposure during the construction period.

C. Clean areas and spaces where cutting and patching are performed. Remove paint, mortar, oils, putty, and similar materials from adjacent finished surfaces.

END OF SECTION 011000

Issued for Bidding: May 2025 012300 - 1/2 Alternates

SECTION 012300 - ALTERNATES

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes administrative and procedural requirements for alternates.

1.2 DEFINITIONS

A. Alternate: An amount proposed by bidders and stated on the Bid Form for certain work defined in the

Bidding Requirements that may be added to or deducted from the Base Bid amount if Owner decides to accept a corresponding change either in the amount of construction to be completed or in the products, materials, equipment, systems, or installation methods described in the Contract

Documents.

1. The cost or credit for each alternate is the net addition to or deduction from the Contract Sum to incorporate alternate into the Work. No other adjustments are made to the Contract

Sum.

1.3 PROCEDURES

A. Coordination: Revise or adjust affected adjacent work as necessary to completely integrate work of the alternate into Project.

1. Include as part of each alternate, miscellaneous devices, accessory objects, and similar items incidental to or required for a complete installation whether or not indicated as part of alternate.

B. Notification: Immediately following award of the Contract, notify each party involved, in writing, of the status of each alternate. Indicate if alternates have been accepted, rejected, or deferred for later consideration. Include a complete description of negotiated revisions to alternates.

C. Execute accepted alternates under the same conditions as other work of the Contract.

D. Schedule: A schedule of alternates is included at the end of this Section. Specification Sections referenced in schedule contain requirements for materials necessary to achieve the work described under each alternate.

PART 2 - PRODUCTS (Not Used)

Issued for Bidding: May 2025 012300 - 2/2 Alternates

3.1 SCHEDULE OF ALTERNATES

A. Alternate No. : 1.

1. Replace aluminum storefront/windows in Control Tower #200.

$_____________________________ ADD.

END OF SECTION 012300

Issued for Bidding: May 2025 024119 - 1/6 Selective Demolition

SECTION 024119 - SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and

Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Demolition and removal of selected portions of building or structure.

2. Salvage of existing items to be reused or recycled.

B. Related Requirements:

1. Section 011000 "Summary" for restrictions on use of the premises, Owner-occupancy requirements, and phasing requirements.

1.3 DEFINITIONS

A. Remove: Detach items from existing construction and dispose of them off-site unless indicated to be salvaged or reinstalled.

B. Remove and Salvage: Detach items from existing construction, in a manner to prevent damage, and store on site as directed by the Owner.

C. Remove and Reinstall: Detach items from existing construction, in a manner to prevent damage, prepare for reuse, and reinstall where indicated.

D. Existing to Remain: Leave existing items that are not to be removed and that are not otherwise indicated to be salvaged or reinstalled.

1.4 MATERIALS OWNERSHIP

A. Unless otherwise indicated, demolition waste becomes property of Contractor.

B. Historic items, relics, antiques, and similar objects including, but not limited to, cornerstones and their contents, commemorative plaques and tablets, and other items of interest or value to Owner that may be uncovered during demolition remain the property of Owner.

1. Carefully salvage in a manner to prevent damage and promptly return to Owner.

1.5 PREINSTALLATION MEETINGS

A. Predemolition Conference: Conduct conference at Project site.

1. Inspect and discuss condition of construction to be selectively demolished.

2. Review structural load limitations of existing structure.

3. Review and finalize selective demolition schedule and verify availability of materials, demolition personnel, equipment, and facilities needed to make progress and avoid delays.

Issued for Bidding: May 2025 024119 - 2/6 Selective Demolition

4. Review requirements of work performed by other trades that rely on substrates exposed by selective demolition operations.

5. Review areas where existing construction is to remain and requires protection.

1.6 INFORMATIONAL SUBMITTALS

A. Proposed Protection Measures: Submit report, including Drawings, that indicates the measures proposed for protecting individuals and property, for environmental protection, for dust control and, for noise control. Indicate proposed locations and construction of barriers.

B. Schedule of Selective Demolition Activities: Indicate the following:

1. Detailed sequence of selective demolition and removal work, with starting and ending dates for each activity. Ensure Owner's representative on-site operations are uninterrupted.

2. Interruption of utility services. Indicate how long utility services will be interrupted.

3. Coordination for shutoff, capping, and continuation of utility services.

4. Coordination of Owner's continuing occupancy of portions of existing building and of Owner's partial occupancy of completed Work.

C. Statement of Refrigerant Recovery: Signed by refrigerant recovery technician responsible for recovering refrigerant, stating that all refrigerant that was present was recovered and that recovery was performed according to EPA regulations. Include name and address of technician and date refrigerant was recovered.

1.7 QUALITY ASSURANCE

A. Refrigerant Recovery Technician Qualifications: Certified by an EPA-approved certification program.

1.8 FIELD CONDITIONS

A. Owner will occupy portions of building immediately adjacent to selective demolition area. Conduct selective demolition so Owner's operations will not be disrupted.

B. Conditions existing at time of inspection for bidding purpose will be maintained by Owner as far as practical.

1. Before selective demolition, Owner will remove the following items:

a. Computers and TV’s.

b. Furniture.

C. Notify Architect of discrepancies between existing conditions and Drawings before proceeding with selective demolition.

D. Hazardous Materials: Hazardous materials may be encountered in the Work.

1. If suspected hazardous materials are encountered, do not disturb; immediately notify Architect and Owner. Hazardous materials with the exception of lead paint containing materials will be removed by Owner under a separate contract.

E. Storage or sale of removed items or materials on-site is not permitted.

F. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations.

1. Maintain fire-protection facilities in service during selective demolition operations.

Issued for Bidding: May 2025 024119 - 3/6 Selective Demolition

1.9 COORDINATION

A. Arrange selective demolition schedule so as not to interfere with Owner's operations.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

B. Standards: Comply with ASSE A10.6 and NFPA 241.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that utilities have been disconnected and capped before starting selective demolition operations.

B. Review Project Record Documents of existing construction or other existing condition and hazardous material information provided by Owner. Owner does not guarantee that existing conditions are same as those indicated in Project Record Documents.

C. Survey existing conditions and correlate with requirements indicated to determine extent of selective demolition required.

D. When unanticipated mechanical, electrical, or structural elements that conflict with intended function or design are encountered, investigate and measure the nature and extent of conflict. Promptly submit a written report to Architect.

E. Perform an engineering survey of condition of building to determine whether removing any element might result in structural deficiency or unplanned collapse of any portion of structure or adjacent structures during selective building demolition operations.

1. Perform surveys as the Work progresses to detect hazards resulting from selective demolition activities.

3.2 PREPARATION

A. Refrigerant: Before starting demolition, remove refrigerant from mechanical equipment according to

40 CFR 82 and regulations of authorities having jurisdiction.

3.3 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Services/Systems to Remain: Maintain services/systems indicated to remain and protect them against damage.

B. Existing Services/Systems to Be Removed, Relocated, or Abandoned: Locate, identify, disconnect, and seal or cap off utility services and mechanical/electrical systems serving areas to be selectively demolished.

1. Arrange to shut off utilities with utility companies.

Issued for Bidding: May 2025 024119 - 4/6 Selective Demolition

2. If services/systems are required to be removed, relocated, or abandoned, provide temporary services/systems that bypass area of selective demolition and that maintain continuity of services/systems to other parts of building.

3. Disconnect, demolish, and remove plumbing, and HVAC systems, equipment, and components indicated on Drawings to be removed.

a. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.

b. Equipment to Be Removed: Disconnect and cap services and remove equipment.

c. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and store equipment; when appropriate, reinstall, reconnect, and make equipment operational.

d. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment and deliver to Owner.

e. Ducts to Be Removed: Remove portion of ducts indicated to be removed and plug remaining ducts with same or compatible ductwork material.

3.4 PROTECTION

A. Temporary Protection: Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain.

1. Provide protection to ensure safe passage of people around selective demolition area and to and from occupied portions of building.

2. Provide temporary weather protection, during interval between selective demolition of existing construction on exterior surfaces and new construction, to prevent water leakage and damage to structure and interior areas.

3. Protect walls, ceilings, floors, and other existing finish work that are to remain or that are exposed during selective demolition operations.

4. Cover and protect furniture, furnishings, and equipment that have not been removed.

5. Comply with requirements for temporary enclosures, dust control, heating, and cooling specified in Section 015000 "Temporary Facilities and Controls."

B. Temporary Shoring: Design, provide, and maintain shoring, bracing, and structural supports as required to preserve stability and prevent movement, settlement, or collapse of construction and finishes to remain, and to prevent unexpected or uncontrolled movement or collapse of construction being demolished.

1. Strengthen or add new supports when required during progress of selective demolition.

C. Remove temporary barricades and protections where hazards no longer exist.

3.5 SELECTIVE DEMOLITION, GENERAL

A. General: Demolish and remove existing construction only to the extent required by new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows:

1. Proceed with selective demolition systematically, from higher to lower level. Complete selective demolition operations above each floor or tier before disturbing supporting members on the next lower level.

2. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction. Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping. Temporarily cover openings to remain.

Issued for Bidding: May 2025 024119 - 5/6 Selective Demolition

3. Cut or drill from the exposed or finished side into concealed surfaces to avoid marring existing finished surfaces.

4. Do not use cutting torches until work area is cleared of flammable materials. At concealed spaces, such as duct and pipe interiors, verify condition and contents of hidden space before starting flame-cutting operations. Maintain portable fire-suppression devices during flame-cutting operations.

5. Maintain fire watch during and for at least 4 hours after flame-cutting operations.

6. Maintain adequate ventilation when using cutting torches.

7. Remove decayed, vermin-infested, or otherwise dangerous or unsuitable materials and promptly dispose of off-site.

8. Remove structural framing members and lower to ground by method suitable to avoid free fall and to prevent ground impact or dust generation.

9. Locate selective demolition equipment and remove debris and materials so as not to impose excessive loads on supporting walls, floors, or framing.

10. Dispose of demolished items and materials promptly.

B. Site Access and Temporary Controls: Conduct selective demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities.

C. Removed and Salvaged Items:

1. Transport items to Owner's storage area on-site designated by Owner.

2. Protect items from damage during transport and storage.

D. Removed and Reinstalled Items:

1. Clean and repair items to functional condition adequate for intended reuse.

2. Protect items from damage during transport and storage.

3. Reinstall items in locations indicated. Comply with installation requirements for new materials and equipment. Provide connections, supports, and miscellaneous materials necessary to make item functional for use indicated.

E. Existing Items to Remain: Protect construction indicated to remain against damage and soiling during selective demolition. When permitted by Architect, items may be removed to a suitable, protected storage location during selective demolition and cleaned and reinstalled in their original locations after selective demolition operations are complete.

3.6 SELECTIVE DEMOLITION PROCEDURES FOR SPECIFIC MATERIALS

A. Concrete: Demolish in small sections. Using power-driven saw, cut concrete to a depth of at least 3/4 inch at junctures with construction to remain. Dislodge concrete from reinforcement at perimeter of areas being demolished, cut reinforcement, and then remove remainder of concrete. Neatly trim openings to dimensions indicated.

B. Masonry: Demolish in small sections. Cut masonry at junctures with construction to remain, using power-driven saw, and then remove masonry between saw cuts.

C. Concrete Slabs-on-Grade: Saw-cut perimeter of area to be demolished, and then break up and remove.

D. Resilient Floor Coverings (not containing hazardous materials): Remove floor coverings and adhesive according to recommendations in RFCI's "Recommended Work Practices for the Removal of Resilient

Floor Coverings."

Issued for Bidding: May 2025 024119 - 6/6 Selective Demolition

3.7 DISPOSAL OF DEMOLISHED MATERIALS

A. Remove demolition waste materials from Project site and dispose of them in an EPA-approved construction and demolition waste landfill acceptable to authorities having jurisdiction.

1. Do not allow demolished materials to accumulate on-site.

2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

B. Burning: Do not burn demolished materials.

3.8 CLEANING

A. Clean adjacent structures and improvements of dust, dirt, and debris caused by selective demolition operations. Return adjacent areas to condition existing before selective demolition operations began.

END OF SECTION 024119

Issued for Bidding: May 2025 079200 - 1/8 Joint Sealants

SECTION 079200 - JOINT SEALANTS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and

Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Nonstaining silicone joint sealants.

2. Urethane joint sealants.

3. Mildew-resistant joint sealants.

4. Butyl joint sealants.

5. Latex joint sealants.

1.3 ACTION SUBMITTALS

A. Product Data: For each joint-sealant product.

B. Samples for Initial Selection: Manufacturer's color charts consisting of strips of cured sealants showing the full range of colors available for each product exposed to view.

1.4 INFORMATIONAL SUBMITTALS

A. Preconstruction Field-Adhesion-Test Reports: Indicate which sealants and joint preparation methods resulted in optimum adhesion to joint substrates based on testing specified in "Preconstruction Testing"

Article.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: An authorized representative who is trained and approved by manufacturer.

B. Mockups: Install sealant in mockups of assemblies specified in other Sections that are indicated to receive joint sealants specified in this Section. Use materials and installation methods specified in this

Section.

1.6 PRECONSTRUCTION TESTING

A. Preconstruction Field-Adhesion Testing: Before installing sealants, field test their adhesion to Project joint substrates as follows:

1. Locate test joints where indicated on Project or, if not indicated, as directed by Architect.

2. Conduct field tests for each kind of sealant and joint substrate.

3. Notify Architect seven days in advance of dates and times when test joints will be erected.

4. Arrange for tests to take place with joint-sealant manufacturer's technical representative present.

a. Test Method: Test joint sealants according to Method A, Field-Applied Sealant Joint Hand

Pull Tab, in Appendix X1.1 in ASTM C 1193 or Method A, Tail Procedure, in ASTM C 1521.

Issued for Bidding: May 2025 079200 - 2/8 Joint Sealants

1) For joints with dissimilar substrates, verify adhesion to each substrate separately;

extend cut along one side, verifying adhesion to opposite side. Repeat procedure for opposite side.

5. Report whether sealant failed to adhere to joint substrates or tore cohesively. Include data on pull distance used to test each kind of product and joint substrate. For sealants that fail adhesively, retest until satisfactory adhesion is obtained.

6. Evaluation of Preconstruction Field-Adhesion-Test Results: Sealants not evidencing adhesive failure from testing, in absence of other indications of noncompliance with requirements, will be considered satisfactory. Do not use sealants that fail to adhere to joint substrates during testing.

1.7 FIELD CONDITIONS

A. Do not proceed with installation of joint sealants under the following conditions:

1. When ambient and substrate temperature conditions are outside limits permitted by joint-sealant manufacturer or are below 40 deg F.

2. When joint substrates are wet.

3. Where joint widths are less than those allowed by joint-sealant manufacturer for applications indicated.

4. Where contaminants capable of interfering with adhesion have not yet been removed from joint substrates.

1.8 WARRANTY

A. Special Installer's Warranty: Installer agrees to repair or replace joint sealants that do not comply with performance and other requirements specified in this Section within specified warranty period.

1. Warranty Period: Two years from date of Substantial Completion.

B. Special Manufacturer's Warranty: Manufacturer agrees to furnish joint sealants to repair or replace those joint sealants that do not comply with performance and other requirements specified in this

Section within specified warranty period.

1. Warranty Period: Five years from date of Substantial Completion.

C. Special warranties specified in this article exclude deterioration or failure of joint sealants from the following:

1. Movement of the structure caused by stresses on the sealant exceeding sealant manufacturer's written specifications for sealant elongation and compression.

2. Disintegration of joint substrates from causes exceeding design specifications.

3. Mechanical damage caused by individuals, tools, or other outside agents.

4. Changes in sealant appearance caused by accumulation of dirt or other atmospheric contaminants.

PART 2 - PRODUCTS

2.1 JOINT SEALANTS, GENERAL

A. Compatibility: Provide joint sealants, backings, and other related materials that are compatible with one another and with joint substrates under conditions of service and application, as demonstrated by joint-sealant manufacturer, based on testing and field experience.

B. Colors of Exposed Joint Sealants: As selected by Architect from manufacturer's full range.

Issued for Bidding: May 2025 079200 - 3/8 Joint Sealants

2.2 NONSTAINING SILICONE JOINT SEALANTS

A. Nonstaining Joint Sealants: No staining of substrates when tested according to ASTM C 1248.

B. Silicone, Nonstaining, S, NS, 100/50, NT: Nonstaining, single-component, nonsag, plus 100 percent and minus 50 percent movement capability, nontraffic-use, neutral-curing silicone joint sealant; ASTM C 920, Type S, Grade NS, Class 100/50, Use NT.

C. Silicone, Nonstaining, S, NS, 50, NT: Nonstaining, single-component, nonsag, plus 50 percent and minus 50 percent movement capability, nontraffic-use, neutral-curing silicone joint sealant; ASTM C 920, Type S, Grade NS, Class 50, Use NT.

D. Silicone, Nonstaining, S, NS, 100/50, T, NT: Nonstaining, single-component, nonsag, plus 100 percent and minus 50 percent movement capability, traffic- and nontraffic-use, neutral-curing silicone joint sealant; ASTM C 920, Type S, Grade NS, Class 100/50, Uses T and NT.

2.3 URETHANE JOINT SEALANTS

A. Urethane, S, NS, 25, T, NT: Single-component, nonsag, plus 25 percent and minus 25 percent movement capability, traffic- and nontraffic-use, urethane joint sealant; ASTM C 920, Type S, Grade NS, Class 25, Uses T and NT.

B. Urethane, S, P, 35, T, NT: Single-component, pourable, plus 35 percent and minus 35 percent movement capability, traffic- and nontraffic-use, urethane joint sealant; ASTM C 920, Type S, Grade P, Class 35, Uses T and NT.

C. Urethane, S, P, 25, T, NT: Single-component, pourable, plus 25 percent and minus 25 percent movement capability, traffic- and nontraffic-use, urethane joint sealant; ASTM C 920, Type S, Grade P, Class 25, Uses T and NT.

2.4 MILDEW-RESISTANT JOINT SEALANTS

A. Mildew-Resistant Joint Sealants: Formulated for prolonged exposure to humidity with fungicide to prevent mold and mildew growth.

B. Silicone, Mildew Resistant, Acid Curing, S, NS, 25, NT: Mildew-resistant, single-component, nonsag, plus 25 percent and minus 25 percent movement capability, nontraffic-use, acid-curing silicone joint sealant; ASTM C 920, Type S, Grade NS, Class 25, Use NT.

2.5 POLYSULFIDE JOINT SEALANTS

A. Polysulfide, S, NS, 25, NT: Single-component, nonsag, plus 25 percent and minus 25 percent movement capability, nontraffic-use, polysulfide joint sealant; ASTM C 920, Type S, Grade NS, Class 25, Use NT.

2.6 BUTYL JOINT SEALANTS

A. Butyl-Rubber-Based Joint Sealants: ASTM C 1311.

2.7 LATEX JOINT SEALANTS

A. Acrylic Latex: Acrylic latex or siliconized acrylic latex, ASTM C 834, Type OP, Grade NF.

Issued for Bidding: May 2025 079200 - 4/8 Joint Sealants

2.8 JOINT-SEALANT BACKING

A. Sealant Backing Material, General: Nonstaining; compatible with joint substrates, sealants, primers, and other joint fillers; and approved for applications indicated by sealant manufacturer based on field experience and laboratory testing.

B. Cylindrical Sealant Backings: ASTM C 1330, Type C (closed-cell material with a surface skin) Type O

(open-cell material) Type B (bicellular material with a surface skin) or any of the preceding types, as approved in writing by joint-sealant manufacturer for joint application indicated, and of size and density to control sealant depth and otherwise contribute to producing optimum sealant performance.

C. Bond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for preventing sealant from adhering to rigid, inflexible joint-filler materials or joint surfaces at back of joint.

Provide self-adhesive tape where applicable.

2.9 MISCELLANEOUS MATERIALS

A. Primer: Material recommended by joint-sealant manufacturer where required for adhesion of sealant to joint substrates indicated, as determined from preconstruction joint-sealant-substrate tests and field tests.

B. Cleaners for Nonporous Surfaces: Chemical cleaners acceptable to manufacturers of sealants and sealant backing materials, free of oily residues or other substances capable of staining or harming joint substrates and adjacent nonporous surfaces in any way, and formulated to promote optimum adhesion of sealants to joint substrates.

C. Masking Tape: Nonstaining, nonabsorbent material compatible with joint sealants and surfaces adjacent to joints.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine joints indicated to receive joint sealants, with Installer present, for compliance with requirements for joint configuration, installation tolerances, and other conditions affecting performance of the Work.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Surface Cleaning of Joints: Clean out joints immediately before installing joint sealants to comply with joint-sealant manufacturer's written instructions and the following requirements:

1. Remove all foreign material from joint substrates that could interfere with adhesion of joint sealant, including dust, paints (except for permanent, protective coatings tested and approved for sealant adhesion and compatibility by sealant manufacturer), old joint sealants, oil, grease, waterproofing, water repellents, water, surface dirt, and frost.

2. Clean porous joint substrate surfaces by brushing, grinding, mechanical abrading, or a combination of these methods to produce a clean, sound substrate capable of developing optimum bond with joint sealants. Remove loose particles remaining after cleaning operations

Issued for Bidding: May 2025 079200 - 5/8 Joint Sealants above by vacuuming or blowing out joints with oil-free compressed air. Porous joint substrates include the following:

a.…