26-048-ITB_-_Vault_12_&_S._ARFF_Generator_UpgradesTechnical_Specs_-Exhibit_D.pdf

Kenton County Airport Board Cincinnati/Northern KY International Airport

Generator Upgrades for V-12 & S. ARFF

Vault-12 Building & South ARFF Fire Station

Issued for Bidding: September 2026 TOC - 1/1 Table of Contents

Table of Contents

General Requirements

DIVISION 01 - GENERAL REQUIREMENTS

011000 SUMMARY 8

Architectural

DIVISION 04 – MASONRY

042000 UNIT MASONRY 15

DIVISION 23 - HEATING VENTILATING AND AIR CONDITIONING

230501 Common Requirements for HVAC

230505 Existing Conditions and Demolition

230513 Common Motor Requirements for HVAC Equipment

230529 Hangers and Supports for HVAC Piping and Equipment

230553 Identification for HVAC Piping and Equipment

230593 Testing, Adjusting, and Balancing for HVAC

230713 HVAC Duct Insulation

230923 Direct Digital Control (DDC) System for HVAC

233113 Metal Ductwork

233300 Air Duct Accessories

237416 Packaged Outdoor Rooftop Units

DIVISION 26 - ELECTRICAL

260010 General Requirements for Electrical Systems

260500 Common Work Results for Electrical Systems

260503 Shop Drawings, Submittals, Literature, Manuals, Parts Lists, and Special Tools

260505 Selective Demolition for Electrical

260519 Low-Voltage Electrical Power Conductors and Cables

260526 Grounding and Bonding for Electrical Systems

260529 Hangers and Supports for Electrical Systems

260533 Raceways and Boxes for Electrical Systems

260543 Underground Ducts and Raceways for Electrical Systems

260553 Identification for Electrical Systems

260573 Power System Studies

262726 Wiring Devices

262816 Enclosed Switches and Circuit Breakers

263213 Diesel Engine Generator Sets

263600 Transfer Switches

264300 Surge Protection Devices

END OF TABLE OF CONTENTS

Vault 12 Building & South ARFF Fire Station

Issued for Bidding: September 2026 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: Vault 12 and South ARFF Fire Station Generator Upgrades

1. Project Location: 171 New Price Pike and 2100 Tower Dr. Erlanger, 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 project consist of generator replacements for two locations on the CVG campus – Vault 12 and South ARFF Fire Station. With the replacement of the generators, upgrades of HVAC equipment in Vault 12 are also included.

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: September 2026 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: September 2026 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: September 2026 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: September 2026 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: September 2026 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: September 2026 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: September 2026 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

Issue for Bidding: September 2026 011000 - 1/15 Masonry

SECTION 042000 - MASONRY

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. Concrete masonry units.

2. Clay face brick.

3. Mortar and grout.

4. Masonry-joint reinforcement.

5. Ties and anchors.

6. Miscellaneous masonry accessories.

1.3 DEFINITIONS

A. CMU(s): Concrete masonry unit(s).

B. Reinforced Masonry: Masonry containing reinforcing steel in grouted cells.

1.4 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1.5 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Samples for Initial Selection:

1. Clay face brick, in the form of straps of five or more bricks.

2. Colored mortar.

1.6 INFORMATIONAL SUBMITTALS

A. List of Materials Used in Constructing Mockups: List generic product names together with manufacturers, manufacturers' product names, model numbers, lot numbers, batch numbers, source of supply, and other information as required to identify materials used. Include mix proportions for mortar and grout and source of aggregates.

1. Submittal is for information only. Receipt of list does not constitute approval of deviations from the Contract Documents unless such deviations are specifically brought to the attention of Architect and approved in writing.

B. Qualification Data: For testing agency.

Issue for Bidding: September 2026 011000 - 2/15 Masonry

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Vault-12 Building & South ARFF Fire Station

C. Material Certificates: For each type and size of the following:

1. Masonry units.

a. Include data on material properties.

b. For brick, include size-variation data verifying that actual range of sizes falls within specified tolerances.

c. For exposed brick, include test report for efflorescence according to ASTM C 67.

2. Cementitious materials. Include name of manufacturer, brand name, and type.

3. Mortar admixtures.

4. Preblended, dry mortar mixes. Include description of type and proportions of ingredients.

5. Grout mixes. Include description of type and proportions of ingredients.

6. Reinforcing bars.

7. Joint reinforcement.

8. Anchors, ties, and metal accessories.

D. Mix Designs: For each type of mortar and grout. Include description of type and proportions of ingredients.

1. Include test reports for mortar mixes required to comply with property specification. Test according to ASTM C 109/C 109M for compressive strength, ASTM C 1506 for water retention, and ASTM C 91/C 91M for air content.

2. Include test reports, according to ASTM C 1019, for grout mixes required to comply with compressive strength requirement.

E. Statement of Compressive Strength of Masonry: For each combination of masonry unit type and mortar type, provide statement of average net-area compressive strength of masonry units, mortar type, and resulting net-area compressive strength of masonry determined according to

TMS 602/ACI 530.1/ASCE 6.

F. Cold-Weather and Hot-Weather Procedures: Detailed description of methods, materials, and equipment to be used to comply with requirements.

1.7 QUALITY ASSURANCE

A. Testing Agency Qualifications: Qualified according to ASTM C 1093 for testing indicated.

B. Sample Panels: Build sample panels to verify selections made under Sample submittals and to demonstrate aesthetic effects. Comply with requirements in Section 014000 "Quality Requirements" for mockups.

1. Build sample panels for typical exterior and interior walls in sizes approximately 48 inches long by 36 inches high.

2. Where masonry is to match existing, build panels adjacent and parallel to existing surface.

3. Clean one-half of exposed faces of panels with masonry cleaner indicated.

4. Protect approved sample panels from the elements with weather-resistant membrane.

5. Approval of sample panels is for color, texture, and blending of masonry units;

relationship of mortar and sealant colors to masonry unit colors; tooling of joints;

aesthetic qualities of workmanship; and other material and construction qualities specifically approved by Architect in writing.

Issue for Bidding: September 2026 011000 - 3/15 Masonry

Generator Upgrades for V-12 & S. ARFF

Vault-12 Building & South ARFF Fire Station

a. Approval of sample panels does not constitute approval of deviations from the Contract Documents contained in sample panels unless Architect specifically approves such deviations in writing.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Store masonry units on elevated platforms in a dry location. If units are not stored in an enclosed location, cover tops and sides of stacks with waterproof sheeting, securely tied. If units become wet, do not install until they are dry.

B. Store cementitious materials on elevated platforms, under cover, and in a dry location. Do not use cementitious materials that have become damp.

C. Store aggregates where grading and other required characteristics can be maintained and contamination avoided.

D. Deliver preblended, dry mortar mix in moisture-resistant containers. Store preblended, dry mortar mix in delivery containers on elevated platforms in a dry location or in covered weatherproof dispensing silos.

E. Store masonry accessories, including metal items, to prevent corrosion and accumulation of dirt and oil.

1.9 FIELD CONDITIONS

A. Protection of Masonry: During construction, cover tops of walls, projections, and sills with waterproof sheeting at end of each day's work. Cover partially completed masonry when construction is not in progress.

1. Extend cover a minimum of 24 inches down both sides of walls, and hold cover securely in place.

2. Where one wythe of multiwythe masonry walls is completed in advance of other wythes, secure cover a minimum of 24 inches down face next to unconstructed wythe, and hold cover in place.

B. Do not apply uniform floor or roof loads for at least 12 hours and concentrated loads for at least three days after building masonry walls or columns.

C. Stain Prevention: Prevent grout, mortar, and soil from staining the face of masonry to be left exposed or painted. Immediately remove grout, mortar, and soil that come in contact with such masonry.

1. Protect base of walls from rain-splashed mud and from mortar splatter by spreading coverings on ground and over wall surface.

2. Protect sills, ledges, and projections from mortar droppings.

3. Protect surfaces of window and door frames, as well as similar products with painted and integral finishes, from mortar droppings.

4. Turn scaffold boards near the wall on edge at the end of each day to prevent rain from splashing mortar and dirt onto completed masonry.

D. Cold-Weather Requirements: Do not use frozen materials or materials mixed or coated with ice or frost. Do not build on frozen substrates. Remove and replace unit masonry damaged by frost or by freezing conditions. Comply with cold-weather construction requirements contained in

TMS 602/ACI 530.1/ASCE 6.

Issue for Bidding: September 2026 011000 - 4/15 Masonry

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Vault-12 Building & South ARFF Fire Station

1. Cold-Weather Cleaning: Use liquid cleaning methods only when air temperature is 40 deg F and higher and will remain so until masonry has dried, but not less than seven days after completing cleaning.

E. Hot-Weather Requirements: Comply with hot-weather construction requirements contained in

TMS 602/ACI 530.1/ASCE 6.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Source Limitations for Masonry Units: Obtain exposed masonry units of a uniform texture and color, or a uniform blend within the ranges accepted for these characteristics, from single source from single manufacturer for each product required.

B. Source Limitations for Mortar Materials: Obtain mortar ingredients of a uniform quality, including color for exposed masonry, from single manufacturer for each cementitious component and from single source or producer for each aggregate.

2.2 PERFORMANCE REQUIREMENTS

A. Provide unit masonry that develops indicated net-area compressive strengths at 28 days.

1. Determine net-area compressive strength of masonry from average net-area compressive strengths of masonry units and mortar types (unit-strength method) according to TMS 602/ACI 530.1/ASCE 6.

2. Determine net-area compressive strength of masonry by testing masonry prisms according to ASTM C 1314.

2.3 UNIT MASONRY, GENERAL

A. Masonry Standard: Comply with TMS 602/ACI 530.1/ASCE 6, except as modified by requirements in the Contract Documents.

B. Defective Units: Referenced masonry unit standards may allow a certain percentage of units to contain chips, cracks, or other defects exceeding limits stated. Do not use units where such defects are exposed in the completed Work.

C. Fire-Resistance Ratings: Comply with requirements for fire-resistance-rated assembly designs indicated.

1. Where fire-resistance-rated construction is indicated, units shall be listed and labeled by a qualified testing agency acceptable to authorities having jurisdiction.

2.4 CONCRETE MASONRY UNITS

A. Shapes: Provide shapes indicated and as follows, with exposed surfaces matching exposed faces of adjacent units unless otherwise indicated.

1. Provide special shapes for lintels, corners, jambs, sashes, movement joints, headers, bonding, and other special conditions.

2. Provide bullnose units for outside corners unless otherwise indicated.

B. CMUs: ASTM C 90.

Issue for Bidding: September 2026 011000 - 5/15 Masonry

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Vault-12 Building & South ARFF Fire Station

1. Unit Compressive Strength: Provide units with minimum average net-area compressive strength of 2150 psi.

2. Density Classification: Normal weight unless otherwise indicated.

3. Size (Width): Manufactured to dimensions 3/8 inch less than nominal dimensions.

2.5 BRICK

A. General: Provide shapes indicated and as follows, with exposed surfaces matching finish and color of exposed faces of adjacent units:

1. For ends of sills and caps and for similar applications that would otherwise expose unfinished brick surfaces, provide units without cores or frogs and with exposed surfaces finished.

2. Provide special shapes for applications where stretcher units cannot accommodate special conditions, including those at corners, movement joints, bond beams, sashes, and lintels.

3. Provide special shapes for applications requiring brick of size, form, color, and texture on exposed surfaces that cannot be produced by sawing.

4. Provide special shapes for applications where shapes produced by sawing would result in sawed surfaces being exposed to view.

B. Application:

1. Brick is intended to match existing. Provide face brick matching color range, texture, and size of existing brickwork on most recent addition.

a. Size (Actual Dimensions): 3-5/8 inches wide by 2-1/4 inches high by 7-5/8 inches long

b. Color and Texture: Orange, molded and textured to match existing brick masonry.

As verified by Architect.

C. Clay Face Brick: Facing brick complying with ASTM C 216.

1. Grade: SW.

2. Type: FBS.

3. Unit Compressive Strength: Provide units with minimum average net-area compressive strength of minimum 4500 psi.

4. Initial Rate of Absorption: Less than 30 g/30 sq. in. per minute when tested according to

ASTM C 67.

5. Efflorescence: Provide brick that has been tested according to ASTM C 67 and is rated

"not effloresced."

2.6 MORTAR AND GROUT MATERIALS

A. Portland Cement: ASTM C 150/C 150M, Type I or II, except Type III may be used for cold-weather construction. Provide natural color or white cement as required to produce mortar color indicated.

1. Alkali content shall not be more than 0.1 percent when tested according to ASTM C 114.

B. Portland Cement-Lime Mix: Packaged blend of portland cement and hydrated lime containing no other ingredients.

C. Masonry Cement: ASTM C 91/C 91M.

Issue for Bidding: September 2026 011000 - 6/15 Masonry

Generator Upgrades for V-12 & S. ARFF

Vault-12 Building & South ARFF Fire Station

D. Mortar Cement: ASTM C 1329/C 1329M.

E. Mortar Pigments: Natural and synthetic iron oxides and chromium oxides, compounded for use in mortar mixes and complying with ASTM C 979/C 979M. Use only pigments with a record of satisfactory performance in masonry mortar.

F. Colored Cement Products: Packaged blend made from masonry cement and mortar pigments, all complying with specified requirements, and containing no other ingredients.

1. Colored Masonry Cement:

2. Formulate blend as required to produce color indicated or, if not indicated, as selected from manufacturer's standard colors.

3. Pigments shall not exceed 10 percent of portland cement by weight.

4. Pigments shall not exceed 5 percent of masonry cement or mortar cement by weight.

G. Aggregate for Mortar: ASTM C 144.

1. For mortar that is exposed to view, use washed aggregate consisting of natural sand or crushed stone.

2. For joints less than 1/4 inch thick, use aggregate graded with 100 percent passing the No. 16 sieve.

3. White-Mortar Aggregates: Natural white sand or crushed white stone.

4. Colored-Mortar Aggregates: Natural sand or crushed stone of color necessary to produce required mortar color.

H. Aggregate for Grout: ASTM C 404.

I. Cold-Weather Admixture: Nonchloride, noncorrosive, accelerating admixture complying with ASTM C 494/C 494M, Type C, and recommended by manufacturer for use in masonry mortar of composition indicated.

J. Water: Potable.

2.7 REINFORCEMENT

A. Masonry-Joint Reinforcement, General: ASTM A 951/A 951M.

1. Interior Walls: Mill or Hot-dip galvanized carbon steel.

2. Exterior Walls: Hot-dip galvanized carbon steel.

3. Wire Size for Side Rods: 0.148-inch diameter.

4. Wire Size for Cross Rods: 0.148-inch diameter.

5. Wire Size for Veneer Ties: 0.148-inch diameter.

6. Spacing of Cross Rods, Tabs, and Cross Ties: Not more than 16 inches o.c.

7. Provide in lengths of not less than 10 feet, with prefabricated corner and tee units.

B. Masonry-Joint Reinforcement for Single-Wythe Masonry: Ladder or truss type with single pair of side rods.

C. Masonry-Joint Reinforcement for Multiwythe Masonry:

1. Ladder type with one side rod at each face shell of hollow masonry units more than 4 inches wide, plus one side rod at each wythe of masonry 4 inches wide or less.

2. Adjustable (two-piece) type, either ladder or truss design, with one side rod at each face shell of backing wythe and with separate adjustable ties with pintle-and-eye connections

Issue for Bidding: September 2026 011000 - 7/15 Masonry

Generator Upgrades for V-12 & S. ARFF

Vault-12 Building & South ARFF Fire Station having a maximum horizontal play of 1/16 inch and maximum vertical adjustment of 1-1/4 inches. Size ties to extend at least halfway through facing wythe but with at least 5/8-inch cover on outside face. Ties have hooks or clips to engage a continuous horizontal wire in the facing wythe.

2.8 TIES AND ANCHORS

A. General: Ties and anchors shall extend at least 1-1/2 inches into veneer but with at least a 5/8-inch cover on outside face.

B. Materials: Provide ties and anchors specified in this article that are made from materials that comply with any of the following unless otherwise indicated:

1. Hot-Dip Galvanized, Carbon-Steel Wire: ASTM A 82/A 82M, with ASTM A 153/A 153M, Class B-2 coating.

2. Stainless-Steel Wire: ASTM A 580/A 580M, Type 304.

3. Galvanized-Steel Sheet: ASTM A 653/A 653M, Commercial Steel, G60 zinc coating.

4. Steel Sheet, Galvanized after Fabrication: ASTM A 1008/A 1008M, Commercial Steel, with ASTM A 153/A 153M, Class B coating.

5. Stainless-Steel Sheet: ASTM A 240/A 240M or ASTM A 666, Type 304.

6. Steel Plates, Shapes, and Bars: ASTM A 36/A 36M.

7. Stainless-Steel Bars: ASTM A 276 or ASTM A 666, Type 304.

C. Individual Wire Ties: Rectangular units with closed ends and not less than 4 inches wide.

1. Z-shaped ties with ends bent 90 degrees to provide hooks not less than 2 inches long may be used for masonry constructed from solid units.

2. Where wythes do not align, use adjustable ties with pintle-and-eye connections having a maximum adjustment of 1-1/4 inches.

3. Wire: Fabricate from 3/16-inch-diameter, hot-dip galvanized or steel stainless-steel wire.

D. Adjustable Anchors for Connecting to Structural Steel Framing: Provide anchors that allow vertical or horizontal adjustment but resist tension and compression forces perpendicular to plane of wall.

1. Anchor Section for Welding to Steel Frame: Crimped 1/4-inch-diameter, hot-dip galvanized steel or stainless-steel wire.

2. Tie Section: Triangular-shaped wire tie made from 0.187-inch-diameter, hot-dip galvanized steel or stainless-steel wire.

E. Adjustable Masonry-Veneer Anchors Used in Conjunction With Masonry-Joint Reinforcement:

1. General: Provide anchors that allow vertical adjustment but resist a 100-lbf load in both tension and compression perpendicular to plane of wall without deforming or developing play in excess of 1/16 inch.

2. Fabricate wire ties from 0.187-inch-diameter, hot-dip galvanized-steel wire unless otherwise indicated.

3. Fabricate wire connector sections from 0.187-inch-diameter, hot-dip galvanized, carbon-steel wire.

a. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following:

Issue for Bidding: September 2026 011000 - 8/15 Masonry

Generator Upgrades for V-12 & S. ARFF

Vault-12 Building & South ARFF Fire Station

1) Hohmann & Barnard, Inc.; 170-2X Truss Eye-Wire adjustable reinforcement with 2X-Hook.

2.9 MASONRY CLEANERS

A. Proprietary Acidic Cleaner: Manufacturer's standard-strength cleaner designed for removing mortar/grout stains, efflorescence, and other new construction stains from new masonry without discoloring or damaging masonry surfaces. Use product expressly approved for intended use by cleaner manufacturer and manufacturer of masonry units being cleaned.

2.10 MORTAR AND GROUT MIXES

A. General: Do not use admixtures, including pigments, air-entraining agents, accelerators, retarders, water-repellent agents, antifreeze compounds, or other admixtures unless otherwise indicated.

1. Do not use calcium chloride in mortar or grout.

2. Use portland cement-lime, masonry cement or mortar cement mortar unless otherwise indicated.

3. Add cold-weather admixture (if used) at same rate for all mortar that will be exposed to view, regardless of weather conditions, to ensure that mortar color is consistent.

B. Preblended, Dry Mortar Mix: Furnish dry mortar ingredients in form of a preblended mix.

Measure quantities by weight to ensure accurate proportions, and thoroughly blend ingredients before delivering to Project site.

C. Mortar for Unit Masonry: Comply with ASTM C 270, Property Specification. Provide the following types of mortar for applications stated unless another type is indicated or needed to provide required compressive strength of masonry.

1. For masonry below grade or in contact with earth, use Type S.

2. For reinforced masonry, use Type S.

3. For exterior, above-grade, load-bearing and non-load-bearing walls and parapet walls; for interior load-bearing walls; for interior non-load-bearing partitions; and for other applications where another type is not indicated, use Type N.

4. For interior non-load-bearing partitions, Type O may be used instead of Type N.

D. Pigmented Mortar: Use colored cement product or select and proportion pigments with other ingredients to produce color required. Do not add pigments to colored cement products.

1. Pigments shall not exceed 10 percent of portland cement by weight.

2. Pigments shall not exceed 5 percent of masonry cement or mortar cement by weight.

3. Mix to match Architect's sample.

4. Application: Use pigmented mortar for exposed mortar joints with the following units:

a. Decorative CMUs.

b. Face brick.

c. Cast stone trim units.

5. Provide individual colors for each type of masonry listed above.

a. Decorative CMU mortar shall match the cement color used in manufacturing selected CMU matrix color.

Issue for Bidding: September 2026 011000 - 9/15 Masonry

Generator Upgrades for V-12 & S. ARFF

Vault-12 Building & South ARFF Fire Station

1) Provide white cement grout for ground face masonry manufactured with white cement.

6. Provide individual colors for each color of masonry items.

E. Grout for Unit Masonry: Comply with ASTM C 476.

1. Use grout of type indicated or, if not otherwise indicated, of type (fine or coarse) that will comply with TMS 602/ACI 530.1/ASCE 6 for dimensions of grout spaces and pour height.

2. Proportion grout in accordance with ASTM C 476, Table 1 or paragraph 4.2.2 for specified 28-day compressive strength indicated, but not less than 2000 psi.

3. Provide grout with a slump of 8 to 11 inches as measured according to

ASTM C 143/C 143M.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine conditions, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of the Work.

1. For the record, prepare written report, endorsed by Installer, listing conditions detrimental to performance of the Work.

2. Verify that foundations are within tolerances specified.

3. Verify that reinforcing dowels are properly placed.

4. Verify that substrates are free of substances that impair mortar bond.

B. Before installation, examine rough-in and built-in construction for piping systems to verify actual locations of piping connections.

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

3.2 INSTALLATION, GENERAL

A. Thickness: Build cavity and composite walls and other masonry construction to full thickness shown. Build single-wythe walls to actual widths of masonry units, using units of widths indicated.

B. Build chases and recesses to accommodate items specified in this and other Sections.

C. Leave openings for equipment to be installed before completing masonry. After installing equipment, complete masonry to match construction immediately adjacent to opening.

D. Use full-size units without cutting if possible. If cutting is required to provide a continuous pattern or to fit adjoining construction, cut units with motor-driven saws; provide clean, sharp, unchipped edges. Allow units to dry before laying unless wetting of units is specified. Install cut units with cut surfaces and, where possible, cut edges concealed.

E. Select and arrange units for exposed unit masonry to produce a uniform blend of colors and textures. Mix units from several pallets or cubes as they are placed.

F. Matching Existing Masonry: Match coursing, bonding, color, and texture of existing masonry.

Issue for Bidding: September 2026 011000 - 10/15 Masonry

Generator Upgrades for V-12 & S. ARFF

Vault-12 Building & South ARFF Fire Station

G. Wetting of Brick: Wet brick before laying if initial rate of absorption exceeds 30 g/30 sq. in. per minute when tested according to ASTM C 67. Allow units to absorb water so they are damp but not wet at time of laying.

3.3 TOLERANCES

A. Dimensions and Locations of Elements:

1. For dimensions in cross section or elevation, do not vary by more than plus 1/2 inch or minus 1/4 inch.

2. For location of elements in plan, do not vary from that indicated by more than plus or minus 1/2 inch.

3. For location of elements in elevation, do not vary from that indicated by more than plus or minus 1/4 inch in a story height or 1/2 inch total.

B. Lines and Levels:

1. For bed joints and top surfaces of bearing walls, do not vary from level by more than 1/4 inch in 10 feet, or 1/2-inch maximum.

2. For conspicuous horizontal lines, such as lintels, sills, parapets, and reveals, do not vary from level by more than 1/8 inch in 10 feet, 1/4 inch in 20 feet, or 1/2-inch maximum.

3. For vertical lines and surfaces, do not vary from plumb by more than 1/4 inch in 10 feet, 3/8 inch in 20 feet, or 1/2-inch maximum.

4. For conspicuous vertical lines, such as external corners, door jambs, reveals, and expansion and control joints, do not vary from plumb by more than 1/8 inch in 10 feet, 1/4 inch in 20 feet, or 1/2-inch maximum.

5. For lines and surfaces, do not vary from straight by more than 1/4 inch in 10 feet, 3/8 inch in 20 feet, or 1/2-inch maximum.

6. For vertical alignment of exposed head joints, do not vary from plumb by more than 1/4 inch in 10 feet or 1/2-inch maximum.

7. For faces of adjacent exposed masonry units, do not vary from flush alignment by more than 1/16 inch except due to warpage of masonry units within tolerances specified for warpage of units.

C. Joints:

1. For bed joints, do not vary from thickness indicated by more than plus or minus 1/8 inch, with a maximum thickness limited to 1/2 inch.

2. For exposed bed joints, do not vary from bed-joint thickness of adjacent courses by more than 1/8 inch.

3. For head and collar joints, do not vary from thickness indicated by more than plus 3/8 inch or minus 1/4 inch.

4. For exposed head joints, do not vary from thickness indicated by more than plus or minus 1/8 inch. Do not vary from adjacent bed-joint and head-joint thicknesses by more than 1/8 inch.

5. For exposed bed joints and head joints of stacked bond, do not vary from a straight line by more than 1/16 inch from one masonry unit to the next.

3.4 LAYING MASONRY WALLS

A. Lay out walls in advance for accurate spacing of surface bond patterns with uniform joint thicknesses and for accurate location of openings, movement-type joints, returns, and offsets.

Avoid using less-than-half-size units, particularly at corners, jambs, and, where possible, at other locations.

Issue for Bidding: September 2026 011000 - 11/15 Masonry

Generator Upgrades for V-12 & S. ARFF

Vault-12 Building & South ARFF Fire Station

B. Bond Pattern for Exposed Masonry, Lay exposed CMU masonry in running bond, Brick masonry to match existing in bond pattern. Do not use units with less-than-nominal 4-inch horizontal face dimensions at corners or jambs.

C. Lay concealed masonry with all units in a wythe in running bond or bonded by lapping not less than 4 inches. Bond and interlock each course of each wythe at corners.