W912QR26RA016_Specs_Vol3-0000.pdf

Solicitation For

UNACCOMPANIED ENLISTED

PERSONNEL HOUSING (UEPH)

FORT CAMPBELL, KY

P2: 511686

Design-Bid-Build

Specifications - Vol 3 of 3 (Div 23-33) Certified Final Design

13 March 2026

W912QR26RA016

RRS-A: 200A Disposition: Maintain for 15 yrs after construction.

W912QR26RA016_Specs_Vol3-0000

P2 511686 UEPH

Fort Campbell, KY

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 80 00.00 06 04/21, CHG 1: 06/23 SPECIAL PROVISIONS

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 02/24, CHG 1: 05/25 SUMMARY OF WORK

01 32 01.00 06 10/23 PROJECT SCHEDULE

01 33 00 08/18, CHG 4: 02/21 SUBMITTAL PROCEDURES

01 33 29.00 06 11/17 SUSTAINABILITY REPORTING

01 35 26.00 06 05/24 CHG 1: 10/24 GOVERNMENT SAFETY REQUIREMENTS

01 42 00 05/24 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.15 10 11/23 RESIDENT MANAGEMENT SYSTEM CONTRACTOR

MODE (RMS CM)

01 45 04.10 06 05/25 CONTRACTOR QUALITY CONTROL

01 45 35 05/24 SPECIAL INSPECTIONS

01 50 00 11/20, CHG 3: 08/24 TEMPORARY CONSTRUCTION FACILITIES AND

CONTROLS

01 57 19.00 06 04/20 TEMPORARY ENVIRONMENTAL CONTROLS AND

PERMITS

01 74 19 02/19, CHG 3: 11/21 CONSTRUCTION WASTE MANAGEMENT AND

DISPOSAL

01 78 23 05/23, CHG 1: 05/25 OPERATION AND MAINTENANCE DATA

01 91 00.15 05/23, CHG 3: 08/24 BUILDING COMMISSIONING

01 91 19 05/2023 BUILDING ENCLOSURE COMMISSIONING

DIVISION 02 - EXISTING CONDITIONS

02 41 00 08/22 DEMOLITION

DIVISION 03 - CONCRETE

03 30 00 02/19, CHG 8: 05/24 CAST-IN-PLACE CONCRETE

DIVISION 04 - MASONRY

04 20 00 11/15, CHG 2: 05/19 UNIT MASONRY

DIVISION 05 - METALS

05 05 20 05/22 POST-INSTALLED CONCRETE AND MASONRY

ANCHORS

05 05 23.16 08/18 STRUCTURAL WELDING

05 12 00 08/18, CHG 2: 05/21 STRUCTURAL STEEL

05 30 00 05/15, CHG 2: 08/18 STEEL DECKS

05 40 00 05/15, CHG 1: 08/18 COLD-FORMED METAL FRAMING

05 50 13 05/17, CHG 1: 08/18 MISCELLANEOUS METAL FABRICATIONS

05 51 00 02/17, CHG 1: 05/17 METAL STAIRS

05 51 33 02/16, CHG 2: 02/18 METAL LADDERS

05 52 00 02/18, CHG 1: 02/20 METAL RAILINGS

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 10 00 08/16, CHG 3: 05/25 ROUGH CARPENTRY

06 41 16.00 10 08/25 PLASTIC-LAMINATE-CLAD ARCHITECTURAL

CABINETS

06 61 16 08/20 SOLID SURFACING FABRICATIONS

PROJECT TABLE OF CONTENTS Page 1

CERTIFIED FINAL

SPECIFICATIONS VOLUME 1 OF 3

SPECIFICATIONS VOLUME 2 OF 3

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 21 13 08/23 BOARD INSULATION

07 22 00 08/23 ROOF AND DECK INSULATION

07 27 10 08/23 BUILDING AIR BARRIER SYSTEM

07 27 19.01 08/23, CHG 1: 08/24 SELF-ADHERING AIR BARRIERS

07 27 26 08/23 FLUID-APPLIED MEMBRANE AIR BARRIERS

07 27 36 08/23 SPRAY FOAM INSULATION

07 60 00 08/23 FLASHING AND SHEET METAL

07 61 14.00 20 08/16, CHG 1: 08/18 STEEL STANDING SEAM ROOFING

07 84 00 05/10, CHG 1: 08/13 FIRESTOPPING

07 92 00 08/23 JOINT SEALANTS

DIVISION 08 - OPENINGS

08 11 13 08/20 STEEL DOORS AND FRAMES

08 11 16 05/17, CHG 2: 11/18 ALUMINUM DOORS AND FRAMES

08 14 00 08/16, CHG 1: 08/18 WOOD DOORS

08 31 00 05/17, CHG 1: 08/18 ACCESS DOORS AND PANELS

08 41 13 08/18, CHG 1: 08/18 ALUMINUM-FRAMED ENTRANCES AND

STOREFRONTS

08 44 00 05/19 CURTAIN WALL AND GLAZED ASSEMBLIES

08 51 13 05/19 ALUMINUM WINDOWS

08 71 00 02/16, CHG 4: 02/22 DOOR HARDWARE

08 81 00 05/19 GLAZING

DIVISION 09 - FINISHES

09 22 00 02/10, CHG 2: 08/18 SUPPORTS FOR GYPSUM BOARD

09 29 00 08/16, CHG 4: 02/20 GYPSUM BOARD

09 30 10 08/20 CERAMIC, QUARRY, AND GLASS TILING

09 51 00 08/20 ACOUSTICAL CEILINGS

09 62 38 08/17, CHG 1: 08/18 STATIC-CONTROL FLOORING

09 65 00 11/24 RESILIENT FLOORING

09 65 66 08/16, CHG 1: 08/18 RESILIENT ATHLETIC FLOORING

09 90 00 02/21 PAINTS AND COATINGS

DIVISION 10 - SPECIALTIES

10 14 00.10 08/17, CHG 1: 11/18 EXTERIOR SIGNAGE

10 14 00.20 08/20 INTERIOR SIGNAGE

10 26 00 08/20 WALL AND DOOR PROTECTION

10 28 13 08/20 TOILET ACCESSORIES

10 44 16 11/19 FIRE EXTINGUISHERS

DIVISION 12 - FURNISHINGS

12 21 00 08/17, CHG 2: 11/18 WINDOW BLINDS

12 48 13 08/23 ENTRANCE FLOOR MATS AND FRAMES

DIVISION 13 - SPECIAL CONSTRUCTION

13 48 73 05/25 SEISMIC CONTROL FOR NONSTRUCTURAL

COMPONENTS

DIVISION 14 - CONVEYING EQUIPMENT

14 21 23 05/16, CHG 1: 05/18 ELECTRIC TRACTION PASSENGER ELEVATORS

PROJECT TABLE OF CONTENTS Page 2

CERTIFIED FINAL

DIVISION 21 - FIRE SUPPRESSION

21 12 00 05/11 STANDPIPE SYSTEMS

21 13 13 08/20 WET PIPE SPRINKLER SYSTEMS, FIRE

PROTECTION

21 30 00 04/08, CHG 1: 08/13 FIRE PUMPS

DIVISION 22 - PLUMBING

22 00 00 05/24 PLUMBING, GENERAL PURPOSE

22 31 03 05/25 DOMESTIC WATER SOFTENERS AND WATER

CONDITIONERS

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

23 03 00 11/25 BASIC MECHANICAL MATERIALS AND METHODS

23 05 48.19 05/18, CHG 2: 08/20 SEISMIC BRACING FOR HVAC

23 05 93 05/25 TESTING, ADJUSTING, AND BALANCING FOR

HVAC

23 07 00 08/24 THERMAL INSULATION FOR MECHANICAL

SYSTEMS

23 08 00 05/23, CHG 1: 08/24 COMMISSIONING OF MECHANICAL AND

PLUMBING SYSTEMS

23 09 00 08/24 INSTRUMENTATION AND CONTROL FOR HVAC

23 09 13 11/15 INSTRUMENTATION AND CONTROL DEVICES

FOR HVAC

23 09 23.02 08/24 BACNET DIRECT DIGITAL CONTROL FOR HVAC

AND OTHER BUILDING CONTROL SYSTEMS

23 21 23 05/25 HYDRONIC PUMPS

23 30 00 02/25 HVAC AIR DISTRIBUTION

23 64 10 05/25 WATER CHILLERS, VAPOR COMPRESSION TYPE

23 64 26 08/09, CHG 5: 11/19 CHILLED, CHILLED-HOT, AND CONDENSER

WATER PIPING SYSTEMS

23 74 33 05/24 DEDICATED OUTDOOR AIR SYSTEMS (DOAS)

DIVISION 25 - INTEGRATED AUTOMATION

25 05 11.01 08/24 CYBERSECURITY FOR FACILITY-RELATED

CONTROL SYSTEMS - FIRE ALARM

25 05 11.02 05/21 CYBERSECURITY FOR FACILITY-RELATED

CONTROL SYSTEMS - HVAC

25 08 10 05/21 UTILITY MONITORING AND CONTROL SYSTEM

TESTING

25 10 10 02/19, CHG 1: 05/21 UTILITY MONITORING AND CONTROL SYSTEM

(UMCS) FRONT END AND INTEGRATION

DIVISION 26 - ELECTRICAL

26 05 48.00 10 10/07 SEISMIC PROTECTION FOR ELECTRICAL

EQUIPMENT

26 05 73 08/23 POWER SYSTEM STUDIES

26 08 00 11/22 APPARATUS INSPECTION AND TESTING

26 20 00 08/23 INTERIOR DISTRIBUTION SYSTEM

26 23 00 05/15, CHG 2: 11/19 LOW-VOLTAGE SWITCHGEAR

26 24 13 08/21 SWITCHBOARDS

26 28 01.00 10 08/21 COORDINATED POWER SYSTEM PROTECTION

26 29 23 02/20, CHG 1: 05/21 ADJUSTABLE SPEED DRIVE (ASD) SYSTEMS

UNDER 600 VOLTS

PROJECT TABLE OF CONTENTS Page 3

CERTIFIED FINAL

SPECIFICATIONS VOLUME 3 OF 3

26 41 00 08/23 LIGHTNING PROTECTION SYSTEM

26 51 00 05/20, CHG 2: 11/21 INTERIOR LIGHTING

26 56 00 08/21 EXTERIOR LIGHTING

DIVISION 27 - COMMUNICATIONS

27 10 00 08/11 BUILDING TELECOMMUNICATIONS CABLING

SYSTEM

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

28 31 76 08/20 INTERIOR FIRE ALARM AND MASS

NOTIFICATION SYSTEM, ADDRESSABLE

DIVISION 31 - EARTHWORK

31 00 00.00 06 05/24 EARTHWORK

31 05 19.13 06 05/24 GEOTEXTILES FOR EARTHWORK

31 21 13 11/18 RADON MITIGATION

31 63 26.00 06 08/25 DRILLED SHAFTS

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 01 19.61 11/19 SEALING OF JOINTS IN RIGID PAVEMENT

32 11 23 05/22 AGGREGATE BASE COURSE

32 11 23.23 08/22 BASE COURSE DRAINAGE LAYERS

32 13 13.06 06 06/18 PORTLAND CEMENT CONCRETE PAVEMENT FOR

ROADS AND SITE FACILITIES

32 16 19 05/18 CONCRETE CURBS, GUTTERS AND SIDEWALKS

32 17 23 08/16, CHG 5: 11/18 PAVEMENT MARKINGS

32 92 19 08/17, CHG 1: 08/21 SEEDING

32 93 00 08/17, CHG 1: 08/21 EXTERIOR PLANTS

DIVISION 33 - UTILITIES

33 11 00 02/18, CHG 2: 11/23 WATER UTILITY DISTRIBUTION PIPING

33 30 00 05/18 SANITARY SEWERAGE

33 40 00 11/21 STORMWATER UTILITIES

33 46 16 05/18 SUBDRAINAGE PIPING

33 71 02 08/21 UNDERGROUND ELECTRICAL DISTRIBUTION

33 82 00 04/06 TELECOMMUNICATIONS OUTSIDE PLANT (OSP)

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 4

SECTION TABLE OF CONTENTS

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

SECTION 23 03 00

BASIC MECHANICAL MATERIALS AND METHODS

11/25

PART 1 GENERAL

1.1 SUBMITTALS

1.2 RELATED REQUIREMENTS

1.3 QUALITY ASSURANCE

1.3.1 Material and Equipment Qualifications

1.3.2 Alternative Qualifications

1.3.3 Service Support

1.3.4 Manufacturer's Nameplate

1.3.5 Modification of References

1.3.5.1 Definitions

1.3.5.2 Administrative Interpretations

1.4 DELIVERY, STORAGE, AND HANDLING

1.5 INSTRUCTION TO GOVERNMENT PERSONNEL

1.6 ACCESSIBILITY

PART 2 PRODUCTS

PART 3 EXECUTION

3.1 COORDINATION, SEQUENCING AND SCHEDULING

3.2 MANUFACTURER'S RECOMMENDATIONS AND INSTRUCTIONS

3.3 PAINTING

3.4 INDOOR AIR QUALITY DURING CONSTRUCTION

-- End of Section Table of Contents --

SECTION 23 03 00 Page 1

SECTION 23 03 00

BASIC MECHANICAL MATERIALS AND METHODS

11/25

PART 1 GENERAL

1.1 SUBMITTALS

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for information only. When used, a code following the "G" classification identifies the office that will review the submittal for the Government.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-07 Certificates

Request for Permission to Operate HVAC Equipment During Construction; G , RO

SD-10 Operation and Maintenance Data

Certified List Of Qualified Permanent Service Organizations

1.2 RELATED REQUIREMENTS

This section applies to all sections of Divisions: 21, FIRE SUPPRESSION;

22, PLUMBING; and 23, HEATING, VENTILATING, AND AIR CONDITIONING of this project specification, unless specified otherwise in the individual section.

1.3 QUALITY ASSURANCE

1.3.1 Material and Equipment Qualifications

Provide materials and equipment that are standard products of manufacturers regularly engaged in the manufacture of such products, which are of a similar material, design and workmanship. Standard products must have been in satisfactory commercial or industrial use for 2 years prior to bid opening. The 2-year use must include applications of equipment and materials under similar circumstances and of similar size. The product must have been for sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2 year period.

1.3.2 Alternative Qualifications

Products having less than a two-year field service record will be acceptable if a certified record of satisfactory field operation for not less than 6000 hours, exclusive of the manufacturer's factory or laboratory tests, can be shown.

1.3.3 Service Support

The equipment items must be supported by service organizations. Submit a certified list of qualified permanent service organizations for support of the equipment which includes their addresses and qualifications. These

SECTION 23 03 00 Page 2 service organizations must be reasonably convenient to the equipment installation and able to render satisfactory service to the equipment on a regular and emergency basis during the warranty period of the contract.

1.3.4 Manufacturer's Nameplate

For each item of equipment, provide a nameplate bearing the manufacturer's name, address, model number, and serial number securely affixed in a conspicuous place; the nameplate of the distributing agent will not be acceptable.

1.3.5 Modification of References

In each of the publications referred to herein, consider the advisory provisions to be mandatory, as though the word, "must" had been substituted for "should" wherever it appears. Interpret references in these publications to the "authority having jurisdiction", or words of similar meaning, to mean the Contracting Officer.

1.3.5.1 Definitions

For the International Code Council (ICC) Codes referenced in the contract documents, advisory provisions must be considered mandatory, the word "should" is interpreted as "must." Reference to the "code official" must be interpreted to mean the "Contracting Officer." References to the "owner" must be interpreted to mean the "Contracting Officer." For leased facilities, references to the "owner" must be interpreted to mean the "lessor." References to the "permit holder" must be interpreted to mean the "Contractor."

1.3.5.2 Administrative Interpretations

For ICC Codes referenced in the contract documents, the provisions of Chapter 1, "Administrator," do not apply. These administrative requirements are covered by the applicable Federal Acquisition Regulations (FAR) included in this contract and by the authority granted to the Officer in Charge of Construction to administer the construction of this project. References in the ICC Codes to sections of Chapter 1, must be applied appropriately by the Contracting Officer as authorized by his administrative cognizance and the FAR.

1.4 DELIVERY, STORAGE, AND HANDLING

Handle, store, and protect equipment and materials to prevent damage before and during installation in accordance with the manufacturer's recommendations, and as approved by the Contracting Officer. Replace damaged or defective items.

1.5 INSTRUCTION TO GOVERNMENT PERSONNEL

When instruction and training is specified in other sections, provide the services of competent instructors to give full instruction to the designated Government personnel in the adjustment, operation, and maintenance, emergency start-up and shut-down, including pertinent safety requirements, of the specified equipment or systems. Instructors must be thoroughly familiar with all parts of the installation and must be trained in operating theory as well as practical operation and maintenance work.

Total training time for equipment and systems specified in Division 22 and

SECTION 23 03 00 Page 3

23 sections must consist of a minimum of 8 hours of training. Instruction must be given during the first regular work week after the equipment or system has been accepted and turned over to the Government for regular operation. The number of man-days (8 hours per day) of instruction furnished must be as specified in the individual section. When more than 4 man-days of instruction are specified, use approximately half of the time for classroom instruction. Use other time for instruction with the equipment or system. When significant changes or modifications in the equipment or system are made under the terms of the contract, provide additional instruction to acquaint the operating personnel with the changes or modifications.

1.6 ACCESSIBILITY

Install all work so that parts requiring periodic inspection, operation, maintenance, and repair are readily accessible. Install concealed valves, expansion joints, controls, dampers, and equipment requiring access, in locations freely accessible through access doors and in accordance with the manufacturers' recommendations and instructions.

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

3.1 COORDINATION, SEQUENCING AND SCHEDULING

Examine the site and drawings for limitations of space available for installation of materials and equipment, as well as all conditions regarding service connections, grades, ground conditions, and all factors involved in the completion of work, prior to starting work. Coordinate mechanical equipment installation with other building components to avoid conflicts. Arrange for pipe spaces, chases, slots, and openings in building structure as construction progresses, and set sleeves and required supporting devices in poured-in-place concrete and other structural components as they are constructed.

Sequence, coordinate, and integrate installation of all mechanical materials and equipment to maintain efficient workflow and avoid delays.

Coordinate installation of large equipment requiring positioning before closing in building. Coordinate connection of mechanical systems with exterior underground and overhead utilities and services. Provide and locate access doors and panels for mechanical items concealed behind finished surfaces. Access panels and doors are specified in SECTION 08 31 00 ACCESS DOORS AND PANELS. Coordinate installation of identification systems with SECTION 23 30 00 HVAC AIR DISTRIBUTION.

3.2 MANUFACTURER'S RECOMMENDATIONS AND INSTRUCTIONS

Install all materials and equipment in accordance with the recommendations and instructions of the manufacturer of the approved products, superseded only by the contract drawings and specifications.

3.3 PAINTING

Field paint piping and equipment in accordance with Section 09 90 00 PAINTS AND COATINGS and each individual Division 23 section.

SECTION 23 03 00 Page 4

3.4 INDOOR AIR QUALITY DURING CONSTRUCTION

Permanent HVAC systems must not be used during construction. Exception:

Permanent HVAC systems may be used for HVAC unit startup, testing and balancing activities, commissioning activities, and building flush-out or air purge. Provide temporary HVAC equipment to meet required thermal conditions and ventilation during construction.

At the sole discretion of the contracting officer, permanent HVAC equipment may be operated during construction. Submit request for permission to operate HVAC equipment during construction in writing no later than 90 calendar days prior to proposed start date and include an Equipment Startup and Operation plan. The plan must include:

a. Equipment desired to be placed in service indicated.

b. Reason indicated for the request for equipment to be run prior to acceptance of the building.

c. Plan for maintenance, monitoring, and cleaning of equipment to be performed prior to acceptance of the building.

d. Plan for maintenance of air filtering for space in which equipment is located.

e. Plan for cleaning and maintenance of duct which construction dust may pass into.

f. Verification of piping insulation installation throughout building.

g. Plan for maintenance and cleaning of condenser cooling coils.

h. Plan for removal of equipment from service when high dust activities occur or are planned to occur.

i. Details on filter media to be installed on buildings return air and outdoor air locations. Filter Minimum Efficiency Reporting Value (MERV) must be 8 for all such filters during construction.

j. Plan for monitoring, cleaning, and maintenance of heating and cooling coils.

k. Plan for maintenance of hydronic system, including how water treatment will be maintained to the manufacturer recommended levels.

l. Personnel assigned and qualified to perform oversight of the operating equipment.

m. Plan for equipment safety during operation.

n. Plan for management of unit operation to ensure no over or under pressure in ductwork. This includes operation during TAB activities prior to high or low pressure safety devices being enabled.

o. Confirmation of installation of fire and smoke detectors or plan for oversight to ensure air handling units are shut down upon smoke or fire detection.

p. Personnel assigned to fire watch.

SECTION 23 03 00 Page 5

q. Plan for equipment operation or shutdown during non-working times such as overnight unoccupied periods or weekend and holidays.

r. Plan for equipment operation during loss of power and other anticipated events.

s. Verification of post-construction equipment warranty validity if equipment is allowed to operate during construction.

t. Plan for cleanliness of mechanical rooms during operation of equipment.

-- End of Section --

SECTION 23 03 00 Page 6

SECTION TABLE OF CONTENTS

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

SECTION 23 05 48.19

SEISMIC BRACING FOR HVAC

05/18, CHG 2: 08/20

PART 1 GENERAL

1.1 REFERENCES

1.2 SYSTEM DESCRIPTION

1.2.1 General Requirements

1.2.2 Mechanical Equipment

1.2.3 Mechanical Systems

1.2.4 Contractor Designed Bracing

1.2.5 Items Not Covered By This Section

1.2.5.1 Fire Protection Systems

1.2.5.2 Items Requiring No Seismic Restraints

1.3 SUBMITTALS

PART 2 PRODUCTS

2.1 GENERAL DESIGN REQUIREMENTS

2.2 EQUIPMENT RESTRAINT

2.2.1 Rigidly (Base and Suspended) Mounted Equipment

2.2.2 Nonrigid or Flexibly-Mounted Equipment

2.3 BOLTS AND NUTS

2.4 FLEXIBLE JOINTS

2.4.1 Braided Hose Expansion Joint

2.4.1.1 Corrugated Hose

2.4.1.2 Flexible Hose Expansion Loops

2.4.2 Double Ball Flexible Expansion Joint

2.4.2.1 Internal Surfaces

2.4.2.2 Exterior Surfaces

2.4.3 Double Ball Flexible Expansion Joint Gravity Drain

(Non-Pressurized)

2.5 SWAY BRACING MATERIALS

2.6 MULTIDIRECTIONAL SEISMIC SNUBBERS

PART 3 EXECUTION

3.1 COUPLING AND BRACING

3.2 BUILDING DRIFT

3.3 FLEXIBLE COUPLINGS OR JOINTS

3.3.1 Building Piping

3.4 PIPE SLEEVES

3.5 SPREADERS

3.6 SWAY BRACES FOR PIPING

3.6.1 Transverse Sway Bracing

3.6.2 Longitudinal Sway Bracing

3.6.3 Vertical Runs

3.6.4 Clamps and Hangers

3.7 SWAY BRACES FOR DUCTS

SECTION 23 05 48.19 Page 1

3.7.1 Braced Ducts

3.7.2 Unbraced Ducts

3.8 EQUIPMENT

3.8.1 General

3.8.2 Controls

3.9 ANCHOR BOLTS

3.9.1 Cast-in-Place Anchor Bolts

3.9.2 Drilled-In Anchor Bolts

3.9.2.1 Wedge Anchors, Heavy-Duty Sleeve Anchors, and Undercut

Anchors

3.9.2.2 Cartridge Injection Adhesive Anchors

3.9.2.3 Capsule Anchors

3.10 ANCHOR BOLT TESTING

-- End of Section Table of Contents --

SECTION 23 05 48.19 Page 2

SECTION 23 05 48.19

SEISMIC BRACING FOR HVAC

05/18, CHG 2: 08/20

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN CONCRETE INSTITUTE (ACI)

ACI 355.2 (2007) Qualification of Post-Installed Mechanical Anchors in Concrete and Commentary

ACI 355.4 (2011) Qualification of Post-Installed Adhesive Anchors in Concrete (ACI 355.4) and Commentary

AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)

AISC 325 (2017) Steel Construction Manual

AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)

ASCE 7-16 (2017; Errata 2018; Supp 1 2018) Minimum Design Loads and Associated Criteria for Buildings and Other Structures

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA C105/A21.5 (2018) Polyethylene Encasement for Ductile-Iron Pipe Systems

AWWA C116/A21.16 (2015) Protective Fusion-Bonded Coatings for the Interior and Exterior Surfaces of Ductile-Iron and Gray Iron Fittings

AWWA C153/A21.53 (2019) Ductile-Iron Compact Fittings for Water Service

AWWA C213 (2022) Fusion-Bonded Epoxy Coatings and Linings for Steel Water Pipe and Fittings

ASTM INTERNATIONAL (ASTM)

ASTM A36/A36M (2019) Standard Specification for Carbon Structural Steel

ASTM A53/A53M (2024) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

SECTION 23 05 48.19 Page 3

ASTM A153/A153M (2023) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

ASTM A325 (2014) Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength

ASTM A490 (2014a) Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength

ASTM A500/A500M (2023) Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes

ASTM A536 (1984; R 2019; E 2019) Standard Specification for Ductile Iron Castings

ASTM A563 (2021; E 2022a) Standard Specification for Carbon and Alloy Steel Nuts

ASTM A603 (2019) Standard Specification for Zinc-Coated Steel Structural Wire Rope

ASTM D1785 (2021) Standard Specification for Poly(Vinyl Chloride) (PVC), Plastic Pipe, Schedules 40, 80, and 120

ASTM D2665 (2014) Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings

ASTM F891 (2024) Standard Specification for Coextruded Poly (Vinyl Chloride) (PVC) Plastic Pipe with a Cellular Core

ASTM F1554 (2020) Standard Specification for Anchor Bolts, Steel, 36, 55, and 105-ksi Yield Strength

FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA)

FEMA P-414 (January 2004) Installing Seismic Restraints for Duct and Pipe

METAL FRAMING MANUFACTURERS ASSOCIATION (MFMA)

MFMA-4 (2004) Metal Framing Standards Publication

NSF INTERNATIONAL (NSF)

NSF/ANSI/CAN 61 (2022) Drinking Water System Components - Health Effects

SECTION 23 05 48.19 Page 4

SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION

(SMACNA)

SMACNA 1981 (2008) Seismic Restraint Manual Guidelines for Mechanical Systems, 3rd Edition

U.S. DEPARTMENT OF DEFENSE (DOD)

UFC 3-301-01 (2023; with Change 1, 2023) Structural Engineering

UFC 4-010-01 (2018; with Change 3, 2024) DoD Minimum Antiterrorism Standards for Buildings

VIBRATION ISOLATION AND SEISMIC CONTROL MANUFACTURERS ASSOCIATION

(VISCMA)

VISCMA 412 (2014) Installing Seismic Restraints for Mechanical Equipment

1.2 SYSTEM DESCRIPTION

1.2.1 General Requirements

Apply the requirements for seismic protection measures described in this section and on the drawings to the mechanical equipment and mechanical systems both inside and outside of the building along with exterior utilities and systems listed below. Where there is a conflict between the specifications and the drawings, the specifications will take precedence.

Accomplish resistance to lateral forces induced by earthquakes without consideration of friction resulting from gravity loads.

1.2.2 Mechanical Equipment

Mechanical equipment to be seismically protected must include the following items to the extent required on the drawings or in other sections of these specifications:

Equipment/Components with Ip = 1.0

Boilers Valves and Fittings for Piping

Water Heaters Air Handling Units

Expansion Air Separator Tanks Unit Heaters

Water Chiller Units Instrumentation and Control for HVAC

Air Terminal Units Fan Coil Units

Pumps and Pumps with Motors Gas Cylinders

Dryers <CTR>--</CTR>

SECTION 23 05 48.19 Page 5

1.2.3 Mechanical Systems

Mechanical systems to be seismically protected must include the following items to the extent required on the drawings or in this or other sections of these specifications:

Mechanical systems with Ip = 1.0

a. All Piping and Ducts Inside the Building Except as Specifically Stated Below Under "Items Not Covered By This Section".

b. Chilled Water Distribution Systems Outside of Buildings.

c. Steam, Water, Oil, Gas and Fuel Piping Outside of Buildings.

d. All Water Supply Systems Outside of Buildings.

e. Storm and Sanitary Sewer Systems Outside of Buildings.

f. All Process Piping Outside of Buildings.

g. Heat Distribution Systems (Supply, Return, and Condensate Return) Outside of Buildings.

h. Condenser Water and Refrigerant Piping Outside the Building.

i. Pneumatic Tube Distribution System Outside of Buildings.

j. Cold Storage Refrigeration Systems Outside of Buildings.

k. Fuel Storage Tanks Outside of Buildings.

l. Water Storage Tanks Outside of Buildings.

m. Ductwork Outside of Buildings.

n. Stacks.

o.

1.2.4 Contractor Designed Bracing

Submit copies of the design calculations with the drawings. Calculations must be approved, certified, stamped and signed by a registered Professional Structural Engineer. Calculations must verify the capability of structural members to which bracing is attached for carrying the load from the brace. Design the bracing in accordance with UFC 3-301-01 , , UFC 4-010-01 and additional data furnished by the Contracting Officer.

Resistance to lateral forces induced by earthquakes must be accomplished without consideration of friction resulting from gravity loads.

UFC 3-301-01 uses parameters for the building, not for the equipment in the building; therefore, corresponding adjustments to the formulas must be required. Loadings determined using UFC 3-301-01 are based on strength

SECTION 23 05 48.19 Page 6 design; therefore, AISC 325 Specifications must be used for the design.

The bracing for the mechanical equipment designated in paragraph 1.2.2 and systems designated in paragraph 1.2.3 must be developed by the Contractor.

1.2.5 Items Not Covered By This Section

1.2.5.1 Fire Protection Systems

Install seismic protection of piping for fire protection systems as specified in Sections 21 30 00 FIRE PUMPS and 21 13 13 WET PIPE SPRINKLER

SYSTEMS, FIRE PROTECTION.

1.2.5.2 Items Requiring No Seismic Restraints

Seismic restraints are not required for the following items:

a. Gas piping less than 1 inch nominal pipe size.

b. Piping in boiler and mechanical equipment rooms less than 1-1/4 inches nominal pipe size.

c. All other piping equal to or less than 3 inches nominal pipe size.

d. Rectangular air handling ducts less than 6 square feet in cross sectional area.

e. Round air handling ducts less than 28 inches in diameter.

f. Piping suspended by individual hangers 12 inches or less in length from the top of pipe to the bottom of the supporting structural member where the hanger is attached, except as noted below.

g. Ducts suspended by hangers 12 inches or less in length from the top of the duct to the bottom of the supporting structural member, except as noted below.

In exemptions f. and g. all hangers must meet the length requirements. If the length requirement is exceeded by one hanger in the run, brace the entire run. Seismically protect interior piping and ducts not listed above in accordance with the provisions of this specification.

Non-critical items may require seismic restraints if adjacent to critical equipment or systems that must remain operational after an earthquake and could be compromised by impact with non-critical adjacent components.

1.3 SUBMITTALS

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for information only. When used, a code following the "G" classification identifies the office that will review the submittal for the Government.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-02 Shop Drawings

Coupling and Bracing

Flexible Couplings or Joints

SECTION 23 05 48.19 Page 7

Equipment Restraint

Contractor Designed Bracing; G , AE

SD-03 Product Data

Coupling and Bracing; G , AE

Flexible Couplings Or Joints; G , AE

Equipment Restraint; G , AE

Contractor Designed Bracing; G , AE

Snubbers

Anchor Bolts

Vibration Isolators

SD-05 Design Data

Design Calculations

SD-06 Test Reports

Anchor Bolts; G , RO

PART 2 PRODUCTS

2.1 GENERAL DESIGN REQUIREMENTS

Submit detailed seismic restraint drawings for mechanical equipment, duct systems, piping systems and any other mechanical systems along with calculations, catalog cuts, templates, and erection and installation details, as appropriate, for the items listed below. Indicate thickness, type, grade, class of metal, and dimensions; and show construction details, reinforcement, anchorage, and installation with relation to the building construction. Calculations must be stamped, by a registered structural engineer, and verify the capability of structural members to which bracing is attached for carrying the load from the brace. Include drawing for Mission Critical Equipment indicating the equipment location in the facility sufficient to be used for the installation. Design must be based on actual equipment and system layout. Design must include calculated dead loads, static seismic loads and capacity of materials utilized for the connection of the equipment or system to the structure.

Analysis must detail anchoring methods.

2.2 EQUIPMENT RESTRAINT

Equipment must be rigidly or flexibly mounted as indicated in the specifications and/or drawings depending on vibration isolation requirements as follows below.

Roof mounted equipment such as cooling towers and condensers, both vibration isolated and nonisolated, must have support members designed and

SECTION 23 05 48.19 Page 8 anchored to building structural steel or concrete as required for seismic restraint and wind loads.

2.2.1 Rigidly (Base and Suspended) Mounted Equipment

HVAC equipment furnished under this contract must be rigidly mounted that are qualified for earthquake loading in accordance with ACI 355.2 and ACI 355.4 . Anchor bolts must conform to ASTM F1554. For any rigid equipment which is rigidly anchored, provide flexible joints for piping, ductwork, electrical conduit, etc., that are capable of accommodating displacements equal to the full width of the joint in both orthogonal directions. Suspended equipment bracing attachments should be located just above the center of gravity to minimize swinging. Use the ratio of the overturning moment from seismic forces to the resisting moment due to gravity loads to determine if overturning forces need to be considered in the sizing of anchor bolts. Provide calculations to verify the adequacy of the anchor bolts for combined shear and overturning.

Roof mounted HVAC equipment roof curbs, framing and attachment to equipment and structure must be designed and braced to withstand seismic loads. Designated Seismic Systems (DSS) assigned to Seismic Design Category (SDC) C, D, E, or F and Risk Category IV components needed for continued operation after an earthquake must have two nuts provided on each anchor bolt.

2.2.2 Nonrigid or Flexibly-Mounted Equipment

Select vibration isolation devices so that the maximum movement of equipment from the static deflection point is 1/4 inch. Equipment flexibly mounted on vibration isolators must have a bumper restraint or snubber in each horizontal direction and vertical restraints must be provided where required to resist overturning. Isolator housing and restraints must be constructed of ductile materials. A viscoelastic pad or similar material of appropriate thickness must be used between the bumper and components to limit the impact load. Restraints must be designed to resist the calculated horizontal lateral and vertical forces.

Spring vibration isolators must be seismically rated, restrained isolators for equipment subject to load variations and large external forces. The seismically rated housing must be sized to meet or exceed the force requirements applicable to the project and meet the required isolation criteria. Spring vibration isolator manufacturer's will be a member of VISCMA. Design force, Fp, must be doubled for vibration isolators with an air gap greater than 0.25 inches as specified in ASCE 7-16 , Chapter 13.

Housed springs must not be used for seismic restraint applications because they cannot resist uplift.

2.3 BOLTS AND NUTS

Hex head bolts, and heavy hexagon nuts must be ASTM A325 or ASTM A490 bolts and ASTM A563 nuts. Provide bolts and nuts galvanized in accordance with ASTM A153/A153M when used underground or exposed to weather.

2.4 FLEXIBLE JOINTS

Flexible joints must have same pressure and temperature ratings as adjoining pipe. Braided hoses must not be used where there is torsional or axial movement unless manufacturer allows it.

SECTION 23 05 48.19 Page 9

2.4.1 Braided Hose Expansion Joint

Braided hose expansion joint(s) must be installed in the locations indicated on the drawings and as required to accommodate any thermal expansion, contraction or seismic movement of the piping system. Joints must consist of two parallel sections of corrugated metal hose, compatible braid, and 180 degree return bend with inlet and outlet connections. Field fabricated loops are not acceptable. Braided hose expansion joint(s) must be installed in the locations indicated on the drawings and as required to accommodate any thermal expansion, contraction or seismic movement of the piping system. Joints must consist of two parallel sections of corrugated metal hose, compatible braid, and 180 degree return bend with inlet and outlet connections. Field fabricated loops must not be acceptable.

Braided hose in a 60 degree flexible V loop arrangement must be used for small diameter pipe connections to coils in variable-air-volume (VAV)terminal units and fan coil units installed in suspended ductwork whether braced or unbraced.

All braided hose expansion joints must be manufactured in accordance with the documented manufacturers weld procedure specifications. The procedure qualification record must be used to document the execution of this procedure and must follow the general "guidelines" of ASME Section IX.

Each individual welder must conform to the in-house procedure qualification record and be qualified prior to each production lot. The testing of each individual welder must be documented in a welding procedure qualification record.

2.4.1.1 Corrugated Hose

Corrugated hose must be Type 304 stainless steel . Braid must be Type 304 stainless steel for any series 300 stainless steel hose . Fittings materials of construction and end fitting type must be consistent with pipe material and equipment/ pipe connection fittings. Copper fittings must not be attached to stainless steel hose.

2.4.1.2 Flexible Hose Expansion Loops

Flexible hose expansion loops must have a factory supplied, hanger / support lug located at the bottom of the 180deg return. Flexible hose expansion loop(s) must be rated with an operating pressure which is the same as the adjoining pipe. The operating pressure must be based on burst pressure with a 4 to 1 safety factor.

2.4.2 Double Ball Flexible Expansion Joint

Install flexible expansion joints manufactured of ductile iron conforming to the material requirements of ASTM A536 and AWWA C153/A21.53 in the locations indicated on the drawings. Provide foundry certification of material upon request. Each flexible expansion joint must be pressure tested prior to shipment against its own restraint to a minimum of 350 psi (250 psi for flexible expansion joints 2 inch and 30 inches diameter and larger.) A minimum 2:1 safety factor, determined from the published pressure rating, must apply. Factory Mutual Approval for the 3 inch through 12 inch sizes is required. Each flexible expansion joint must consist of an expansion joint designed and cast as an integral part of a ball and socket type flexible joint, having a minimum per ball deflection of: 20º, 2" - 12"; 15º, 14" - 36"; 12º, 42"-48" and 4-inches minimum expansion. Additional expansion sleeves must be available and easily added or removed at the factory or in the field. Both standardized mechanical

SECTION 23 05 48.19 Page 10 joint and flange end connections must be available.

2.4.2.1 Internal Surfaces

Line all internal surfaces (wetted parts) with a minimum of 15 mils of fusion bonded epoxy conforming to the applicable requirements of AWWA C213.

Sealing gaskets must be constructed of EPDM. The coating must meet

NSF/ANSI/CAN 61 .

2.4.2.2 Exterior Surfaces

Coat exterior surfaces with a minimum of 6 mils of fusion bonded epoxy conforming to the applicable requirements of AWWA C116/A21.16 . Include appropriately sized polyethylene sleeves, meeting AWWA C105/A21.5 , for direct buried applications.

2.4.3 Double Ball Flexible Expansion Joint Gravity Drain (Non-Pressurized)

Flexible expansion joints gravity drain must be installed in the locations indicated on the drawings and must be manufactured of pvc. All connections whether solvent weld or mechanical must be restrained to allow movement to be transferred to expansion joint. Each ball must allow up to 15 degrees deflection.

End connection outside diameters must be compatible with ASTM D1785, ASTM D2665 and ASTM F891 PVC pipe and are to be solvent welded.

2.5 SWAY BRACING MATERIALS

Material used for members listed in this section and on the drawings, must be structural steel conforming with the following:

a. Plates, rods, and rolled shapes, ASTM A36/A36M.

b. Wire rope, ASTM A603 pre-stretched. Class B galv coating Ferrule clamps must be qualified by testing for use in seismic applications per VISCMA 412 . A minimum of two clamps are required on each end of wire rope.

c. Tubes, ASTM A500/A500M , Grade B.

d. Pipes, ASTM A53/A53M, Grade B.

e. Angles, ASTM A36/A36M.

f. Channels (Struts) with in-turned lips and associated hardware for fastening to channels at random points conforming to MFMA-4

2.6 MULTIDIRECTIONAL SEISMIC SNUBBERS

Install multidirectional seismic snubbers employing elastomeric pads on floor- or slab-mounted equipment as detailed on drawings. These snubbers must provide 1/4 inch free vertical and horizontal movement from the static deflection point. Snubber medium must consist of multiple pads of cotton duct and neoprene or other suitable materials arranged around a flanged steel trunnion so both horizontal and vertical forces are resisted by the snubber medium.

SECTION 23 05 48.19 Page 11

PART 3 EXECUTION

3.1 COUPLING AND BRACING

a. Submit detail drawings, as specified here and throughout this specification, along with catalog cuts, templates, and erection and installation details, as appropriate, for the items listed.

Submittals must be complete in detail; must indicate thickness, type, grade, class of metal, and dimensions; and must show construction details, reinforcement, anchorage, and installation with relation to the building construction.

b. Provide coupling installation conforming to the details shown on the drawings. Provisions of this paragraph apply to all piping within a 5 foot line around outside of building unless buried in the ground.

Piping grouped for support on trapeze-type hangers must be braced at the most frequent interval as determined by applying the requirements of this specification to each piping run on the common support.

c. Size bracing components as required for the total load carried by the common supports. Bracing rigidly attached to pipe flanges, or similar, must not be used where it would interfere with thermal expansion of piping.

d. Adjust isolators and restraints after piping systems has been filled and equipment is at its operating weight, following the manufacturer's written instructions.

e. Install cables at a 45-degree slope. Where interference is present, the slope may be minimum of 30 degrees or a maximum of 60 degrees per

VISCMA 412 .

3.2 BUILDING DRIFT

Provide joints capable of accommodating seismic displacements for vertical piping between floors of the building, where pipes pass through a building seismic or expansion joint, or where rigidly supported pipes connect to equipment with vibration isolators. Provide horizontal piping across expansion joints to accommodate the resultant of the drifts of each building unit in each orthogonal direction. For threaded piping, provide swing joints made of the same piping material. For piping with manufactured ball joints the seismic drift must be 0.015 feet per foot of height above the base where the seismic separation occurs; this drift value must be used in place of the expansion given in the manufacturer's selection table.

3.3 FLEXIBLE COUPLINGS OR JOINTS

3.3.1 Building Piping

Provide flexible couplings or joints in building piping at bottom of all pipe risers for pipe larger than 3-1/2 inches in diameter. Laterally brace flexible couplings or joints without interfering with the action of the flexible coupling or joint. Cast iron waste and vent piping need only comply with these provisions when caulked joints are used. Flexible bell and spigot pipe joints using rubber gaskets may be used at each branch adjacent to tees and elbows for underground waste piping inside of building to satisfy these requirements.

SECTION 23 05 48.19 Page 12

3.4 PIPE SLEEVES

Size pipe sleeves in interior non-fire rated walls as indicated on the drawings to provide clearances that will permit differential movement of piping without the piping striking the pipe sleeve. Pipe sleeves in fire rated walls must conform to the requirements in Section 07 84 00

FIRESTOPPING.

3.5 SPREADERS

Provide spreaders between adjacent piping runs to prevent contact during seismic activity whenever pipe or insulated pipe surfaces are less than 4 inches apart. Apply spreaders at same interval as sway braces at an equal distance between the sway braces. If rack type hangers are used where the pipes are restrained from contact by mounting to the rack, spreaders are not required for pipes mounted in the rack. Apply spreaders to surface of bare pipe and over insulation on insulated pipes utilizing high-density inserts and pipe protection shields in accordance with the requirements of Section 23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS.

3.6 SWAY BRACES FOR PIPING

Provide sway braces to prevent movement of the pipes under seismic loading. Provide braces in both the longitudinal and transverse directions, relative to the axis of the pipe. Provide sufficient braces for equipment to resist a horizontal force as specified in UFC 3-301-01 without exceeding safe working stress of bracing components. Provide bracing that does not interfere with thermal expansion requirements for the pipes as described in other sections of these specifications. For seismic analysis of horizontal pipes, the equivalent static force should be considered to act concurrently with the full dead load of the pipe, including contents.

3.6.1 Transverse Sway Bracing

Provide transverse sway bracing for steel and copper pipe at intervals not to exceed those shown on the drawings. All runs (length of pipe between end joints) must have a minimum of transverse bracing at each end.

Provide transverse sway bracing for pipes of materials other than steel and copper at intervals not to exceed the hanger spacing as specified in Section 22 00 00 PLUMBING, GENERAL PURPOSE.

3.6.2 Longitudinal Sway Bracing

Provide longitudinal sway bracing at 40 foot intervals unless otherwise indicated. All runs (length of pipe between end joints) must have one longitudinal brace minimum. Construct sway braces in accordance with the drawings. Do not use branch lines, walls, or floors as sway braces.

3.6.3 Vertical Runs

Run is defined as length of pipe between end joints. Do not brace vertical runs of piping no more than 10 foot vertical intervals. Braces for vertical runs must be above the center of gravity of the segment being braced. Flexible couplings should be provided at the bottoms of risers for pipes larger than 3.5 in. (89 mm) in diameter. Flexible couplings and expansion joints should be braced laterally and longitudinally unless such bracing would interfere with the action of the couplings or joints. When pipes enter buildings, flexible couplings should be provided to allow for

SECTION 23 05 48.19 Page 13 relative movement between the soil and building. Construct all sway braces in accordance with the drawings. Attach sway braces to the structural system. Do not connect to branch lines, walls, or floors.

3.6.4 Clamps and Hangers

Apply clamps or hangers on uninsulated pipes directly to pipe. Insulated piping must have clamps or hangers applied over insulation in accordance with Section 23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS.

Hanger rod stiffener angle or strut bracing must be securely attached by a series of attachment clamps manufactured from a one piece metal stamping and must include all require attachment hardware and locking nuts.

Attachment clamps made from aluminum or cast iron must not be used in seismic applications. Do not weld vertical braces to hanger rods.

3.7 SWAY BRACES FOR DUCTS

3.7.1 Braced Ducts

Provide bracing details and spacing for rectangular and round ducts in accordance with SMACNA 1981. However, the design seismic loadings for these items must not be less than loadings obtained using the procedures in UFC 3-301-01 . Bracing must not attach to duct joints. Use shortest screws possible when penetrating ductwork to minimize airflow noise inside duct.

3.7.2 Unbraced Ducts

Attach hangers for unbraced ducts to the duct within 2 inches of the top of the duct with a minimum of two #10 sheet metal screws in accordance with FEMA P-414 . Use shortest screws possible when penetrating ductwork to minimize airflow noise inside duct. Install unbraced ducts with a 6 inch minimum clearance to vertical ceiling hanger wires.

3.8 EQUIPMENT

3.8.1 General

Ensure housekeeping pads have adequate space to mount equipment and seismic restraint devices allowing adequate edge distance and embedment depth for restraint anchor bolts. Identify position of reinforcing steel and other embedded items prior to drilling holes for anchors. Do not drill holes in concrete or masonry until concrete, mortar, or grout has achieved full design strength. Install neoprene grommet washers or till the gap with epoxy on equipment anchor bolts where clearance between anchor and equipment support hole exceeds 0.125 inches.

3.8.2 Controls

Ensure that controls for critical equipment that must remain operational after an earthquake are certified per paragraph 3.11 SPECIAL TESTING FOR SEISMIC-RESISTING EQUIPMENT and are served by emergency power as required.

3.9 ANCHOR BOLTS

3.9.1 Cast-in-Place Anchor Bolts

Use templates to locate cast-in-place bolts accurately and securely in

SECTION 23 05 48.19 Page 14 formwork. Anchor bolts must have an embedded straight length equal to at least 12 times nominal diameter of the bolt. Anchor bolts that exceed the normal depth of equipment foundation piers or pads must either extend into concrete floor or the foundation or be increased in depth to accommodate bolt lengths.

3.9.2 Drilled-In Anchor Bolts

Drill holes with rotary impact hammer drills Drill bits must be of diameters as specified by the anchor manufacturer. Unless otherwise shown on the Drawings, all holes must be drilled perpendicular to the concrete surface. Where anchors are permitted to be installed in cored holes, use core bits with matched tolerances as specified by the manufacturer.

Properly clean cored hole per manufacturer's instructions. Identify position of reinforcing steel and other embedded items prior to drilling holes for anchors. Exercise care in coring or drilling to avoid damaging existing reinforcing or embedded items. Notify the COR if reinforcing steel or other embedded items are encountered during drilling. Take precautions as necessary to avoid damaging prestressing tendons, electrical and telecommunications conduit, and gas lines. Unless otherwise specified, do not drill holes in concrete or masonry until concrete, mortar, or grout has achieved full design strength. Perform anchor installation in accordance with manufacturer instructions.

3.9.2.1 Wedge Anchors, Heavy-Duty Sleeve Anchors, and Undercut Anchors

Protect threads from damage during anchor installation. Heavy-duty sleeve anchors must be installed with sleeve fully engaged in part to be fastened. Set anchors to manufacturer's recommended torque, using a torque wrench. Following attainment of 10% of the specified torque, 100% of the specified torque must be reached within 7 or fewer complete turns of the nut. If the specified torque is not achieved within the required number of turns, the anchor must be removed and replaced unless otherwise directed by the Engineer.

3.9.2.2 Cartridge Injection Adhesive Anchors

Where approved for seismic application, clean all holes per manufacturer instructions to remove loose material and drilling dust prior to installation of adhesive. Inject adhesive into holes proceeding from the bottom of the hole and progressing toward the surface in such a manner as to avoid introduction of air pockets in the adhesive. Follow manufacturer recommendations to ensure proper mixing of adhesive components.

Sufficient adhesive must be injected in the hole to ensure that the annular gap is filled to the surface. Remove excess adhesive from the surface.