W912QR21R0008_Specs_PhaseB_Vol2-0000.pdf

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Construction of the VA Medical Center (VAMC) Project in Louisville, KY
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W912QR21R0008
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This document announces an upcoming solicitation for the construction of a new medical center campus to replace aging facilities at the Robley Rex VA Medical Center in Louisville, KY. The project includes construction of a new 104 bed hospital, parking structures for approximately 2,600 cars, campus infrastructure, a central utility plant, laundry facility, roadways, fencing and landscaping on a 34 acre site. The contract will be a firm-fixed-price contract awarded using a best value tradeoff process evaluating past performance, management, key subcontractor experience, schedule, small business participation, and price. The solicitation is expected to be released on December 3, 2020 via beta.SAM.gov and proposals will be due in early 2021, with award by mid-2021 and work completion in late 2026. The project ceiling is approximately $705 million.

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Text version

Solicitation For Construction of the New VA Medical Center (VAMC) Project in Louisville, KY

P2: 453413

Design-Bid-Build RFP

Specifications Phase B Volume 2 Div. 07-09

Certified Final Design

03 December 2020

W912QR21R0008

ARIMS: 200A

Disposition: Maintain for 15yrs after construction

W912QR21R0008_Specs_PhaseB_Vol2-0000

Replacement VA Medical Center Louisville, Kentucky

Project Managers

Cynthia K. Pozolo, FAIA URS/SmithGroup Joint Venture Project Manager SmithGroup 500 Griswold Street, Suite 1700 Detroit, Michigan 48226 t 313.983.3600

Randy L. Kirschner, AIA, NCARB URS/SmithGroup Joint Venture Project Manager

AECOM

277 Nationwide Blvd.

Columbus, Ohio 43215 t 614.464.4500

CERTIFIED FINAL

VA101CFM-P-0157/603-320

USACE P2 No. 453413

Phase B New Hospital Buildings Specifications 07-05-23 - 09-96-59.10 (Vol. 2)

03 December 2020

VA 603-320, P2 453413

Louisville VAMC Replacement Phase B

00 01 10-1

DEPARTMENT OF VETERANS AFFAIRS

TABLE OF CONTENTS

Section 00 01 10

VOLUME 1

DIVISION 00 - SPECIAL SECTIONS

00 01 07 Seals Page 00 01 10 Table of Contents 00 31 32 Geotechnical Data 00 31 32a 9-12-14 Report of Geotechnical Exploration Rev 1

00 31 32b Supplemental Recommendations Summary Report of Geotechnical

Exploration (REV 1) 01 November 2018

00 31 32c Louisville VA Hospital Geophysical Report 2 29 16

00 80 00.00

Special Provisions

00 80 00.01

Construction Project Sign Details

00 80 00.02

Communication Systems Matrix

00 80 00.03

LOD Matrix

00 80 00.04

Initial Facility Maintenance Data (COBie) Workbooks (FMDW)

– Provided under separate cover as .XLS spreadsheets (a-e)

00 80 00.04a

Hospital Building Medical Center

– Provided under separate cover as .XLS spreadsheets (a-e)

00 80 00.04b

Central Utility Plan (CUP) – Laundry

– Provided under separate cover as .XLS spreadsheets (a-e)

00 80 00.04c

North Parking Structure (Garage)

– Provided under separate cover as .XLS spreadsheets (a-e)

00 80 00.04d

Miscellaneous

– Provided under separate cover as .XLS spreadsheets (a-e)

00 80 00.04e

South Parking Structure (Garage)

– Provided under separate cover as .XLS spreadsheets (a-e)

00 80 00.05

Project Submittal Register – Phase A

00 80 00.06

Project Submittal Register – Phase B

00 80 00.07

Delegated Design List – Phase A

00 80 00.08

Delegated Design List – Phase B

DIVISION 01 - GENERAL REQUIREMENTS

01 32 01.00

Project Schedule

01 33 00.00

Submittal Procedures

01 35 26.00

Government Safety Requirements

00 01 10-2

01 35 26.01

FORM 16-1 Certificate of Compliance for LHE and Rigging

01 35 26.02

CELRL FORM 1259 Activity Hazards Analysis

01 43 39 Exterior Wall Mockups 01 45 00.15

Resident Management System Contractor Mode (RMS CM)

01 45 04.10

Contractor Quality Control

01 45 29 Testing Laboratory Services 01 45 35 Special Inspections 01 50 00 Temporary Construction Facilities and Controls 01 50 00.01 Federal Airport Authority (FAA) and/or Kentucky Airport Zoning

Commission (KAZC) Determination and Permit – Antenna Tower and Building

01 50 00.02 Federal Airport Authority (FAA) and/or Kentucky Airport Zoning Commission (KAZC) Determination and Permit – Elevated Water Tank

01 50 00.03 Property Transfers with KYTC 01 57 19.00

Temporary Environmental Controls and Permits

01 57 19.01

Permit Matrix

01 74 19 Construction and Demolition Waste Management 01 78 23 Operations and Maintenance Manuals 01 78 24.00

Facility Maintenance (FM)Data Requirements

01 79 00 Operations and Maintenance Training 01 81 11 Exterior Shell Air-Blast Performance Requirements 01 81 13 Sustainable Construction Requirements 01 91 00 General Commissioning Requirements 01 91 00a Appendix A Commissioning Status Tracking 01 91 00b Appendix B Commissioning Schedule Activities 01 91 18 Commissioning of Building Envelope Systems

DIVISION 02 – EXISTING CONDITIONS

NOT USED

DIVISION 03 – CONCRETE

03 30 00 Cast-in-Place Concrete 03 30 01 Cast-in-Place Concrete for Garage Structures 03 30 02 Cast-in-Place Concrete for Site Structures 03 41 33 Precast Structural Pretension Concrete 03 45 00 Precast Architectural Concrete 03 45 00.02 Precast Architectural Concrete (Parking Structure)

DIVISION 04 – MASONRY

04 05 13 Masonry Mortaring 04 05 16 Masonry Grouting 04 20 00 Unit Masonry

DIVISION 05 – METALS

05 12 00 Structural Steel Framing 05 12 13 Architecturally Exposed Structural Steel Framing 05 21 00 Steel Joist Framing

00 01 10-3

05 31 00 Steel Decking 05 36 00 Composite Metal Decking 05 40 00 Cold-Formed Metal Framing 05 43 13 Medical Equipment Support Systems 05 50 00 Metal Fabrications 05 50 00.02 Metal Fabrications (Parking Structure) 05 50 11 Metal Fabrications for Fall Protection Systems 05 51 00 Metal Stairs 05 52 20 Barrier Cable Systems 05 58 13 Column and Beam Covers 05 70 10 Decorative Metal Grilles 05 73 13 Glazed Decorative Railing Systems

DIVISION 06 – WOOD, PLASTICS AND COMPOSITES

06 10 00 Rough Carpentry 06 16 63 Sheathing 06 20 00 Finish Carpentry 06 61 16 Solid Surface Fabrications

VOLUME 2

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 05 23 Pressure Testing an Air Barrier System for Air Tightness 07 05 23a Appendix A Air Leakage Test Form Example 07 05 23b Appendix B Air Leakage Test Results Form 07 05 23c Appendix C Test Agency Qualifications Sheet 07 11 13 Bituminous Damproofing O7 13 00 Sheet Waterproofing 07 13 26 Self-Adhering Sheet Waterproofing 07 13 54 Thermoplastic Sheet Waterproofing O7 14 13 Hot Fluid-Applied Rubberized Asphalt Waterproofing 07 16 19 Metal Oxide Waterproofing 07 18 00.02 Traffic Coatings (Parking Structure) 07 18 13 Pedestrian Traffic Coatings 07 21 13 Thermal Insulation 07 22 00 Roof and Deck Insulation 07 27 27 Fluid-Applied Membrane Air Barriers, Vapor Retarding 07 40 00.02 Roofing and Siding Panels (Parking Structure) 07 42 00 Metal Wall Panels 07 42 13 16.02

Metal Plate Wall Panels (Parking Structure)

07 42 29 Terra Cotta Panel Rain Screen Systems 07 42 53 Glass Exterior Rain and Wind Screen Systems 07 42 53.02 Glass Exterior Rain and Wind Screen Systems (Parking Structure) 07 54 19 Polyvinyl-Chloride (PVC) Roofing 07 54 19a Appendix A Example RRO Report 07 60 00 Flashing and Sheet Metal 07 72 00 Roof Accessories 07 76 16 Roof Decking Pavers 07 81 00 Applied Fireproofing 07 81 23 Intumescent Fireproofing 07 84 00 Firestopping 07 92 00 Joint Sealants 07 95 13 Expansion Joint Cover Assemblies

00 01 10-4

07 95 13 19.02

Parking Deck Expansion Joint Cover Assemblies (Parking Structure)

DIVISION 08 - OPENINGS

08 11 13 Hollow Metal Doors and Frames 08 14 00 Interior Wood Doors 08 17 10 Integrated Door Assemblies 08 31 13 Access Doors and Frames 08 33 00 Coiling Doors and Grilles 08 33 00.02 Coiling Grilles (Parking Structure) 08 33 13 Coiling Counter Doors 08 34 53 Security Doors and Frames 08 34 59 Vault Doors and Day Gates 08 35 13.23 Accordion Folding Fire Doors 08 41 13 Aluminum-Framed Entrances and Storefronts 08 41 13.02 Aluminum-Framed Entrances and Storefronts (Parking Structure) 08 41 26.01 Custom All-Glass Wall and Door System 08 42 29.23 Sliding and Bi-Folding Automatic Entrances 08 42 33 Revolving Door Entrances 08 42 43 Intensive Care Unit (ICU) Entrances 08 44 13 Glazed Aluminum Curtain Walls 08 44 13.02 Glazed Aluminum Curtain Walls (Parking Structure) 08 51 13 Aluminum Windows 08 56 19 Pass Windows 08 56 53 Blast and Ballistic Resistant Windows 08 56 59 Service and Teller Window Units 08 56 66 Security Window Screens 08 62 00 Unit Skylights 08 63 00 Metal-Framed Skylights 08 71 00 Door Hardware 08 71 13 Automatic Door Operators 08 71 13.11 Low Energy Power Assist Door Operators 08 80 00 Glazing 08 88 16 Vision Control Glass 08 90 00 Louvers and Vents

DIVISION 09 – FINISHES

09 05 16 Subsurface Preparation for Floor Finishes 09 22 16 Non-Structural Metal Framing 09 23 00 Gypsum Plastering 09 24 00 Portland Cement Plastering 09 26 00 Veneer Plastering 09 29 00 Gypsum Board 09 30 13 Ceramic / Porcelain Tiling 09 51 00 Acoustical Ceilings 09 54 26 Linear Wood Wall and Ceiling Systems 09 54 81 Custom Interior Aluminum Beams and Fins 09 65 13 Resilient Base and Accessories 09 65 16 Resilient Sheet Flooring 09 65 16.33 Rubber Sheet Flooring 09 65 19 Resilient Tile Flooring 09 65 66 Resilient Athletic Flooring 09 66 16 Terrazzo Floor Tile 09 67 23.20 Resinous (Epoxy Based) With Vinyl Chip Broadcast (RES-2)

00 01 10-5

09 67 23.30 Resinous (Epoxy Based) High Performance Mortar Flooring (RES-3) 09 67 23.40 Resinous Poured in Place Resilient Flooring (RES-4) 09 67 23.50 Resinous Terrazzo Flooring (RES-5) 09 67 23.60 Resinous Urethane and Epoxy Mortar Flooring (RES-6A and RES-6B) 09 67 23.70 Epoxy Floor Coating (EPY-01, EPY-02) 09 68 13 Tile Carpeting 09 69 00 Access Flooring 09 77 01 Interior Glass Wall Panel System 09 77 14 Wood Veneer Acoustic Wall Panels 09 84 33 Sound-Absorbing Wall Units 09 91 00 Painting 09 96 59 Resinous Specialty Glazed Coating Systems for Walls, Ceilings, Wallboard, and Block CMU (RES-W1, RES-W2) 09 96 59.10 High Build Glazed Specialty Coating (SC-01)

VOLUME 3

DIVISION 10 – SPECIALTIES

10 11 13 Chalkboards and Markerboards 10 11 23 Tackboards 10 13 00 Directories 10 14 00 Signage 10 21 13 Toilet Compartments 10 21 16 Shower and Dressing Compartments 10 21 23 Cubicle Curtain Tracks 10 22 13 Interior Wire Mesh Partitions 10 22 13.02 Exterior Wire Mesh Partitions (Parking Structure) 10 22 39 Folding Panel Partitions 10 22 39.01 Automatic Operable Vertically Retractable Acoustic Wall 10 25 13 Patient Bed Service Walls (PBSW) 10 26 00 Wall and Door Protections 10 26 41 Bullet Resistant Panels 10 28 00 Toilet Bath and Laundry Accessories 10 44 13 Fire Extinguisher Cabinets 10 44 13.02 Fire Extinguisher Cabinets (Parking Structure) 10 55 00.16 Private-Delivery Postal Specialties 10 56 26 Manual Mobile and Fixed Shelving 10 75 00 Flagpoles 10 82 19 Exterior Acoustical Barrier Screen Walls

DIVISION 11 – EQUIPMENT

11 05 12 General Motor Requirements for Equipment 11 06 00 Medical Equipment Schedule 11 06 01 Project Room Contents Report 11 08 00 Commissioning of Equipment 11 11 00 Laundry Equipment 11 12 00 Parking Control Equipment - Parking/Barrier Gate Operators 11 12 00.02 Parking Control Equipment (Parking Structure) 11 13 00 Loading Dock Equipment 11 17 36 Package Transfer Units 11 24 11 Horizontal Lifeline Fall Protection Systems 11 24 14 Suspended Façade Access Equipment 11 40 11 Custom Fabricated Foodservice Equipment 11 40 21 Foodservice Equipment - Utility Distribution System 11 41 00 Food Storage Equipment

00 01 10-6

11 41 21 Walk-In Coolers and Freezers 11 44 00 Food Cooking Equipment 11 45 00 Miscellaneous Food Service Equipment 11 48 00 Cleaning and Disposal Equipment 11 53 00 Laboratory Equipment 11 53 13 Laboratory Fume Hoods 11 53 53 Biological Safety Cabinets and Laminar Airflow Workstations 11 53 61 Custom Fabricated Laboratory Equipment 11 71 00 Healthcare Equipment 11 71 01 Medical Washing and Sterilizing Equipment 11 71 02 Laboratory Washing and Sterilizing Equipment 11 73 00 Ceiling Mounted Patient Lift System 11 73 11 Patient ICU Service Boom Systems 11 74 00 Dental Equipment 11 78 00 Mortuary Equipment 11 78 13 Mortuary Refrigerators 11 82 00 Waste Handling Equipment

DIVISION 12 – FURNISHINGS

12 24 00 Window Shades 12 24 00.01 Motorized Window Shades 12 31 00 Manufactured Metal Casework 12 32 00 Manufactured Wood Casework 12 35 53 Adaptable Laboratory Casework Systems 12 36 00 Laboratory Countertops and Accessories 12 36 61.16 Solid Surfacing Countertops 12 48 13 Entrance Floor Mats

DIVISION 13 - SPECIAL CONSTRUCTION

13 01 00 Radiofrequency (RF) MRI Shielding System 13 01 01 DC MRI Magnetic Shielding System 13 05 41 Seismic Restraint Requirements for Non-Structural Components 13 21 13.34 Automatic Clean Room Swinging Doors and Fixed Windows 13 21 13.38 Clean Room Pass-Through Chambers 13 21 29 Constant Temperature Rooms 13 49 00 Radiation Protection 13 49 00 A Radiation Shielding Plan Review Report (Level 1) 13 49 00 B Radiation Shielding Plan Review Report (Level 2) 13 49 00 C Radiation Shielding Plan Review Report (Level 3) 13 49 00 D Radiation Shielding Plan Review Report (Level 4) 13 49 23 AC ELF Magnetic Shielding Systems 13 49 25 Main Computer Room Shielding

DIVISION 14– CONVEYING EQUIPEMENT

14 08 00 Commissioning of Conveying Equipment 14 21 00 Electric Traction Elevators 14 24 00 Hydraulic Elevators 14 91 33 Laundry and Linen Chutes 14 91 82 Trash Chutes 14 92 00 Pneumatic Tube System

DIVISION 21- FIRE SUPPRESSION

21 08 00 Commissioning of Fire Suppression System

00 01 10-7

21 12 00 Manual Dry Standpipe Systems 21 13 13 Wet-Pipe Sprinkler Systems 21 13 16 Dry-Pipe Sprinkler Systems 21 22 00 Clean Agent Fire Suppression Systems 21 30 13 Electric-Driven, Fire Pumps

VOLUME 4

DIVISION 22 – PLUMBING

22 05 11 Common Work Results for Plumbing 22 05 12 General Motor Requirements for Plumbing Equipment 22 05 19 Meters and Gages for Plumbing Piping 22 05 23 General-Duty Valves for Plumbing Piping 22 05 33 Heat Tracing for Plumbing Piping 22 07 11 Plumbing Insulation 22 08 00 Commissioning of Plumbing Systems 22 08 00a Division 22 Sample PFC 22 08 00b Division 22 Sample FPT 22 11 00 Facility Water Distribution 22 11 23 Domestic Water Pumps 22 13 00 Facility Sanitary and Vent Piping 22 13 23 Sanitary Waste Interceptors 22 13 29 Sanitary Sewerage Pumps 22 14 00 Facility Storm Drainage 22 14 29 Sump Pumps 22 15 00 General Service Compressed-Air Systems 22 20 00 Facility Natural-Gas Piping 22 31 11 Water Softeners 22 33 00 Electric Domestic Water Heaters 22 35 00 Domestic Water Heat Exchangers 22 40 00 Plumbing Fixtures 22 61 13.74 Dental Compressed-Air Piping 22 61 19.74 Dental Compressed-Air Equipment 22 62 00 Vacuum Systems for Laboratory and Healthcare Facilities 22 62 19.74 Dental Vacuum and Evacuation Equipment 22 63 00 Gas Systems for Laboratory and Healthcare Facilities 22 66 00 Chemical-Waste Systems for Laboratory and Healthcare Facilities 22 67 19.16 Reverse-Osmosis Water Equipment 22 70 00 Facility Fuel Oil Systems

VOLUME 5

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

23 05 10 Common Work Results for Boiler Plant and Steam Generation 23 05 11 Common Work Results for HVAC 23 05 12 General Motor Requirements for HVAC and Steam Generation

Equipment 23 05 14 Variable Frequency Drives 23 05 41 Noise and Vibration Control for HVAC Piping and Equipment 23 05 51 Noise and Vibration Control for Boiler Plant 23 05 93 Testing, Adjusting, and Balancing for HVAC 23 07 11 HVAC and Boiler Plant Insulation 23 08 00 Commissioning of HVAC Systems 23 08 00a Division 23 Sample PFC 23 08 00b Division 23 Sample FPT 23 08 11 Demonstrations and Tests for Boiler Plant

00 01 10-8

23 08 11a Attachment A VHA Boiler and Associated Plant Safety Device Testing Manual Fifth Edition

23 08 11b Attachment B Appendix B of VHA Directive 1810 23 09 11 Instrumentation and Control for Boiler Plant 23 09 23 Direct-Digital Control System for HVAC 23 21 11 Boiler Plant Piping Systems 23 21 13 Hydronic Piping 23 21 23 Hydronic Pumps 23 22 13 Steam and Condensate Heating Piping 23 22 23 Steam Condensate Pumps 23 23 00 Refrigerant Piping 23 25 00 HVAC Water Treatment 23 31 00 HVAC Ducts and Casings 23 34 00 HVAC Fans 23 35 03 Dryer Vent Exhaust System 23 36 00 Air Terminal Units 23 37 00 Air Outlets and Inlets 23 40 00 HVAC Air Cleaning Devices 23 50 11 Boiler Plant Mechanical Equipment 23 51 00 Breechings, Chimneys, and Stacks 23 52 39 Fire-Tube Boilers 23 64 00 Packaged Water Chillers 23 64 20 Heat Recovery Chillers 23 65 00 Cooling Towers 23 73 00 Indoor Central-Station Air-Handling Units 23 81 00 Decentralized Unitary HVAC Equipment 23 81 23 Computer-Room Air-Conditioners 23 81 43 Air-Source Unitary Heat Pumps 23 82 00 Convection Heating and Cooling Units 23 82 16 Air Coils

DIVISION 25 – INTEGRATED AUTOMATION

25 10 10 Advanced Utility Metering System 25 08 00 Commissioning of Advanced Utility Metering Systems

VOLUME 6

DIVISION 26 – ELECTRICAL

26 05 11 Requirements for Electrical Installations 26 05 13 Medium-Voltage Cables 26 05 19 Low-Voltage Electrical Power Conductors and Cables 26 05 26 Grounding and Bonding for Electrical Systems 26 05 33 Raceway and Boxes for Electrical Systems 26 05 36.26 Wireways for Radiology Equipment 26 05 41 Underground Electrical Construction 26 05 73 Overcurrent Protective Device Study 26 08 00 Commissioning of Electrical Systems 26 08 00a Division 26 Sample PFC 26 08 00b Division 26 FPT 26 09 23 Lighting Controls 26 11 16 Secondary Unit Substations 26 13 13 Medium-Voltage Circuit Breaker Switchgear 26 13 16 Medium-Voltage Fusible Interrupter Switches 26 20 11 Isolated Power Systems 26 22 00 Low-Voltage Transformers

00 01 10-9

26 23 00 Low-Voltage Switchgear 26 23 13 Generator Paralleling Controls 26 24 13 Distribution Switchboards 26 24 16 Panelboards 26 24 19 Motor Control Centers 26 25 11 Busways 26 26 10 Emergency Power Off System 26 27 26 Wiring Devices 26 29 11 Motor Controllers 26 29 21 Enclosed Switches and Circuit Breakers 26 32 13 Engine Generators 26 33 53 Static Uninterruptible Power Supply 26 36 23 Automatic Transfer Switches 26 41 00 Facility Lightning Protection 26 43 13 Surge Protective Devices 26 51 00 Interior Lighting 26 56 00 Exterior Lighting

DIVISION 27 – COMMUNICATIONS

27 05 11 Requirements for Communications Installations 27 05 26 Grounding and Bonding for Communications Systems 27 05 33 Raceways and Boxes for Communications Systems 27 08 00 Commissioning of Communications Systems 27 10 00 Control, Communication and Signal Wiring 27 11 00 Telecommunications Room Fittings 27 15 00 Communications Structured Cabling 27 41 31 Cable Television Distribution System 27 51 16 Public Address (Overhead Paging) System 27 51 23 Clinical Intercom 27 51 25 Limited Area Networked Sound Masking System 27 52 23 Nurse Call and Code Blue System 27 53 13 Clock Systems 27 53 19 Distributed Antenna System

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

28 05 00 Common Work Results for Electronic Safety and Security 28 05 13 Conductors and Cables for Electronic Safety and Security 28 05 26 Grounding and Bonding for Electronic Safety and Security 28 05 28.33 Conduits and Backboxes for Electronic Safety and Security 28 08 00 Commissioning of Electronic Safety and Security Systems 28 13 00 Physical Access Control and Security Management System 28 13 53 Security Access Detection 28 16 00 Intrusion Detection System 28 23 00 Video Surveillance 28 26 00 Electronic Personal Protection System 28 31 00 Fire Detection and Alarm 28 52 31 Emergency Communications Systems

VOLUME 7

DIVISION 31 – EARTHWORK

31 20 00 Earthwork 31 23 19 Dewatering 31 23 23.33 Flowable Fill

00 01 10-10

31 31 16 Termite Control 31 63 26 Drilled Pier 31 68 14 Soil and Rock Anchors for VA Medical Center (Building B)

Structure

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 05 23 Cement and Concrete for Exterior Improvements 32 12 16 Asphalt Paving 32 14 13 Precast Concrete Unit Paving 32 17 13 Parking Bumpers 32 17 23 Pavement Markings 32 17 26 Tactile Warning Surfacing 32 31 13.02 Chain Link Fences and Gates (Parking Structure) 32 31 53 Perimeter Security Fences and Gates 32 33 13 Exterior Site Furnishings 32 84 00 Planting Irrigation 32 90 00 Planting 32 97 00 Vegetated Roof Assemblies

DIVISION 33 – UTILITIES

33 08 00 Commissioning of Site Utility Systems 33 10 00 Water Utilities 33 16 19 Elevated Water Storage Tank Structure 33 16 23 Ground Water Storage Tank Structure 33 30 00 Sanitary Sewer Utilities 33 40 00 Storm Sewer Utilities 33 40 13 Stormwater Pump Station 33 46 13 Foundation Drainage 33 51 00 Natural-Gas Distribution

DIVISION 34 – TRANSPORTATION

34 08 00 Commissioning of Active Vehicle Barriers 34 71 13 Vehicle Barriers 34 75 13.13 Active Vehicle Barriers

DIVISION 48 – ELECTRICAL POWER GENERATION

48 08 00 Commissioning of Solar Energy Electrical Power Generation Systems 48 14 00 Solar Energy Electrical Power Generation Systems

SECTION 07 05 23 Page 1

Louisville VAMC Replacement Phase B

SECTION 07 05 23

PRESSURE TESTING AN AIR BARRIER SYSTEM FOR AIR TIGHTNESS

PART 1 GENERAL

1.1 SUMMARY

1.1.1. Employ an independent agency to conduct the pressure test on the building envelope in accordance with this specification section and

ASTM E3158.

1.1.2. Related Requirements:

a. Section 01 43 39 EXTERIOR WALL MOCKUPS

b. Section 01 91 18 BUILDING ENCLOSURE COMMISSIONING REQUIREMENTS

1.2 REFERENCES

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

AMERICAN SOCIETY FOR NONDESTRUCTIVE TESTING (ASNT)

ANSI/ASNT CP-189 (2016) ASNT Standard for Qualification and Certification of Nondestructive Testing Personnel (ANSI/ASNT CP-105-2006)

ASNT CP-105 (2011) ASNT Standard Topical Outlines for

Qualification of Nondestructive Testing Personnel - Item No. 2821

ASNT SNT-TC-1A (2016) Recommended Practice for Personnel

Qualification and Certification in Nondestructive Testing

AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING

ENGINEERS (ASHRAE)

ASHRAE RP-935 (1998) Protocol for Field Testing of Tall

Buildings to Determine Envelope Air Leakage Rate

ASTM INTERNATIONAL (ASTM)

ASTM D3464 (1996; R 2014) Standard Test Method for

Average Velocity in a Duct Using a Thermal Anemometer

ASTM E1186 (2017) Standard Practices for Air Leakage

Site Detection in Building Envelopes and Air Barrier Systems

ASTM E1827 (2011; R 2017) Standard Test Methods for

Determining Airtightness of Buildings Using an Orifice Blower Door

ASTM E2029 (2011) Standard Test Method for Volumetric

SECTION 07 05 23 Page 2 and Mass Flow Rate Measurement in a Duct Using Tracer Gas Dilution

ASTM E3158 (2018) Standard Test Method for

Measuring the Air Leakage Rate of a Large or Multizone

Building

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)

ISO 6781 (1983) Thermal Insulation - Qualitative Detection of Thermal Irregularities in Building Envelopes - Infrared Method

1.3 DEFINITIONS

The following terms as they apply to this section:

1.3.1 Air Barrier Envelope

The surface that separates the inside air from the outside air. The combination of air barrier assemblies and air barrier components, connected by air barrier accessories, are designed to provide a continuous barrier to the movement of air through an environmental separator. A single building may have more than one air barrier envelope. The air barrier surface includes the top, bottom, and sides of the envelope. The term "air barrier envelope" is also known as "air barrier system" or simply "air barrier".

1.3.2 Air Leakage Rate

How leaky, or conversely how air tight a building envelope is. The air leakage is normally described in terms of air flow rate for the surface area of the envelope at a defined differential pressure.

1.3.3 Bias Pressure

Also known as zero flow pressure, baseline pressure, offset pressure or background pressure. With the envelope not artificially pressurized, bias is the differential pressure that always exists between the envelope that has been prepared (sealed) for the pressure test and the outdoors. Bias pressure is made up of two components, fixed static offset (usually due to stack effect or the HVAC system) and fluctuating pressure (usually due to wind or a moving elevator). Because of pressure fluctuations many bias pressure readings are recorded and averaged for use in the calculations.

1.3.4 Blower Door

Commonly used term for an apparatus used to pressurize and depressurize the space within the building envelope and quantify air leakage through the envelope. The blower door typically includes a door fan and an air resistant fabric or a series of hard panels that extends to cover and seal the door opening between the fan shroud and door frame. The door fan is a calibrated fan capable of measuring air flow and is usually placed in the opening of an exterior door. With the air barrier otherwise sealed, air produced by the door fan pressurizes or de-pressurizes the envelope, depending on the fan's orientation.

1.3.5 Environmental Separator

The parts of a building that separate the controlled interior environment from the uncontrolled exterior environment, or that separate spaces within

SECTION 07 05 23 Page 3 a building that have dissimilar environments. The term "environmental separator" is also known as the "control layer".

1.3.6 Pressure Test

A generic term for a test in which the envelope is either pressurized or de-pressurized with respect to the outdoors.

1.3.6.1 Negative Pressure Test (Depressurization Test)

A test wherein air inside the envelope is drawn to the outdoors. This places the envelope at a lower (negative) pressure with respect to the outdoors.

1.3.6.2 Positive Pressure Test (Pressurization Test)

A test wherein outdoor air is pushed into the envelope. This air movement places the envelope at a higher (positive) pressure with respect to the outdoors.

1.4 WORK PLAN

Submit a Work Plan not later than 180 calendar days before start of pressure testing work, steps to be taken by the Third Party Building Envelope Testing Agency to accomplish the required testing. Submit a separate Work Plan with a schedule for the partial building air leakage testing.

a. Memorandum of test procedure.

(1) Proposed dates for conducting the pressure, thermographic and fog tests.

(2) Submit detailed pressure test procedures prior to the test.

Provide a plan view showing proposed locations (personnel doors or other similar openings) to install blower doors or flexible ducts (for trailer-mounted fans), if used.

b. Test equipment to be used.

c. Scaffolding, scissor lifts, power, electrical extension cords, duct tape, plastic sheeting and other Contractor's support equipment required to perform all tests.

d. Other Contractor's support personnel who will be on site for testing.

1.5 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only (FIO) or as otherwise designated. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government.] Submittals with an "S" are for inclusion in the The following shall be submitted in accordance with Section 01 33 00.00 06 SUBMITTAL

PROCEDURES:

SD-01 Preconstruction Submittals

Work Plan, partial building testing; G, RO Work Plan, whole building testing; G, RO

SECTION 07 05 23 Page 4

SD-03 Product Data

Thermal Imaging Camera; G, RO

SD-05 Design Data

Envelope Surface Area Calculations; G, RO

SD-07 Certificates

Pressure Test Agency Thermographer Qualifications Test Instruments Date Of Last Calibration

SD-06 Test Reports

Pressure Test Procedures; G, RO Air Leakage Test Reports; G, RO Diagnostic Test Reports; G, RO

No later than 14 days after completion of the pressure test, submit 6 copies of an organized report bound in a durable 3-ring binder. The report is to contain a table of contents, an executive summary, an introduction, a results section and a discussion of the results. Submit the Air Leakage Test Report as described in paragraph AIR LEAKAGE TEST REPORT. Submit a diagnostic test report as described in paragraph LOCATING LEAKS BY DIAGNOSTIC TESTING. The diagnostic test report is to include the Thermographic Investigation Report and the Fog Test Report (if performed).

Submit field data and completed report forms found in the appendices. Use the sample forms, Test Agency Qualification Sheet, Air Leakage Test Form and Air Leakage Test Results Form to summarize the tests for the appropriate building envelope.

Submit both electronically populated and field hand filled-in forms.

Report Data. Include in the report the following information for all tests:

a. Date of Issue

b. Project title and number

c. Name, address, and telephone number of testing agency

d. Dates and locations of samples and tests or inspections

e. Names of individuals making the inspection or test

f. Designation of the work and test method

g. Identification of product and Specification Section

h. Complete inspection or test data

i. Test results and an interpretation of test results

j. Comments or professional opinion on whether inspected or tested work complies with contract document requirements

k. Recommendations on retesting

SECTION 07 05 23 Page 5

1.6 QUALITY ASSURANCE

1.6.1 Modification of References

Perform all pressure and diagnostic tests according to the referenced publications listed in paragraph REFERENCES and as modified by this section. Consider the advisory or recommended provisions, of the referred references, as mandatory.

1.6.2 Qualifications

1.6.2.1 Pressure Test Agency

Submit, no later than 120 calendar days after contract award, information certifying that the pressure test agency is not affiliated with any other company participating in work on this contract. The work of the test agency is limited to pressure testing the building envelope, performing a thermography test and fog test, and investigating, through various methods, the location of air leaks through the air barrier.

Use the sample TEST AGENCY QUALIFICATIONS SHEET form (Appendix C) or similar form, to submit the following information.

a. Verification of 10 years of experience as an agency in pressure testing commercial buildings of similar size and complexity as the project. If using the building's own supply air system for testing, provide verification of 5 years of experience with that method.

b. List of at least twenty commercial facilities with building envelopes that the agency has tested within the past 5 years. Include building name, address, and name of prime construction contractor and contractor's point-of-contact information. If using the building's own supply air system for testing, list of at least ten commercial facilities that have been tested using that method within the past 5 years.

c. Confirmation of 10 years of commercial building pressure test experience as the lead pressure test technician and the thermographer in using the specified ASTM E3158 or similar testing standards.

References from five Contracting Officers for facilities where the lead test technician has supervised commercial and or industrial building pressure tests in the last 5 years. If using the building's own supply air system for testing, list of at least five commercial facilities that have been tested using this method within the past 5 years as the lead pressure test technician.

d. Verification that the lead pressure test technician has been employed by a building pressure testing agency in the capacity of a lead pressure test technician for not less than 5 years.

e. If using blower door or trailer-mounted fans, the lead test technician must have at least five years of experience in using the manufacturer’s equipment in building envelope pressurization tests. Formal training from the manufacturer using pressure test equipment is required and certificates to be submitted.

1.6.2.2 Thermographer Qualifications

To perform an infrared diagnostic evaluation, use a lead thermographer who has at least an active Level II Certification that is based on the

SECTION 07 05 23 Page 6 requirements in ASNT CP-105 or ANSI/ASNT CP-189 and is in accordance with ASNT SNT-TC-1A. The course of study is to be specifically focused on infrared thermography for building science. The thermographer must have at least two years of building science thermography experience in IR testing commercial or industrial buildings. The thermographer must also have experience in building envelopes and building science in order to make effective recommendations to the contractor should the envelope require additional sealing. Submit the thermographer's certificate for approval.

Submit a list of at least ten commercial/industrial buildings on which the thermographer has performed IR thermography in the past two years. The thermographer is to have a current active certification. Submit certification at least 60 days prior to thermography testing.

1.6.3 Test Instruments And Date Of Last Calibration

Submit a signed and dated list of test instruments, their application, manufacturer, model, serial number, range of operation, accuracy and date of most recent calibration.

1.7 CLIMATE CONDITIONS SUITABLE FOR A PRESSURE TEST

As the test date approaches, monitor the weather forecast for the test site. Avoid testing on days forecast to experience high winds, rain, or snow. Monitor weather forecasts prior to shipping pressure test equipment to the site. Comply with weather test conditions as stated in ASTM E3158. Based on current and forecast weather conditions, the Contracting Officer's representative is to grant final approval for testing to occur.

1.7.1 Rain

Rain can temporarily seal roof and wall assemblies so that they leak less than under no-rain conditions. Do not test during rain or if rain is anticipated during testing. If pneumatic hoses are installed and exposed to rain inspect the hose to insure rainwater has not migrated into the hose ends. Orient all exposed hose ends to keep them out of water puddles.

Success in temporarily sealing outdoor ventilation components such as louvers and exhaust fans may also be compromised by rain. Don't seal roof-mounted ventilation components during times of potential lightning.

1.7.2 Snow

Snow piled against a wall or on top of a roof can make a building envelope appear to be more airtight than it actually is. Snow may also impact thermography readings. Remove snow from around and on top of the building prior to testing.

1.7.3 Wind

Because wind can skew pressure test results, test only on days and at times when winds are anticipated to be the calmest. Avoid pressure testing during gusty or high wind conditions.

PART 2 PRODUCTS

2.1 PRESSURE TEST EQUIPMENT

Depending on site conditions and size of the envelope, the test may be conducted using blower door equipment, and/or trailer-mounted fans, or the building's own supply air system. The testing agency is to supply sufficient quantity of blower equipment that will produce a minimum of 75

SECTION 07 05 23 Page 7

Pa differential pressure between the envelope and outdoors using the test methods described herein. Supply additional blower test equipment to provide an additional 5% minimum airflow capacity or to act as a backup.

2.1.1 Blower Door Fans and Trailer Mounted Fans

Each air flow measuring system including blower door fans and trailer mounted fans are to be calibrated within the last 3 years in accordance with ASTM E1827. Calibrated blower door fans and trailer mounted fans must measure accurately to within plus or minus 5 percent of the flow reading.

Blower door equipment and trailer mounted fans are to be specifically designed to pressurize building envelopes. Each set of blower door equipment is to include fan(s), digital gage(s), door frame, door fabric or hard panels.

2.1.2 Digital Gages as Test Instruments

Use only digital gages as measuring instruments in the pressure test;

analog gages are not acceptable. The gauges must be accurate to within 1.0 percent of the pressure reading or 0.15 Pa, whichever is greater. Each gage is to have been calibrated within two years of the test. The calibration is to be checked against a National Institute of Standards and Technology (NIST, formerly National Bureau of Standards) traceable standard.

2.2 THERMAL IMAGING CAMERA REQUIREMENTS

The thermal imaging camera used in the thermography test must have a thermal sensitivity (Noise Equivalent Temperature Difference.) of +/- 0.1 degree C at 30 degrees C 0.18 degrees F at 86 degrees F or less. Ensure the camera's operating spectral range falls between 2 and 15 micrometers.

Ensure the camera's IR image viewing screen resolution measures at least 240x180 pixels. Ensure the camera has a means of recording thermal images seen on the camera viewing screen. The camera is to display output as individual still frame images that also can be downloaded and inserted into an electronic Thermographic Investigation Report. Submit camera make and model, and catalog information that defines the camera thermal sensitivity for approval.

PART 3 EXECUTION

3.1 PRESSURE TEST AGENCY

The test agency is to be an independent third party subcontractor, not an affiliated or subsidiary of the prime contractor, subcontractors or A/E firm. The agency is to be regularly engaged in pressure testing of commercial/industrial building envelopes. Comply with Qualifications listed in paragraph 1.6.2.

3.1.1 Field Work

The lead pressure test technician and thermographer are to be present at the project site while testing is performed and is to be responsible for conducting, supervising, and managing of their respective test work.

Management includes health and safety of test agency employees.

3.1.2 Reporting Work

The lead pressure test technician is to prepare, sign, and date the test agenda, equipment list, and submit a certified Air Leakage Test Report.

The thermographer is to prepare, sign, and date the test agenda, equipment

SECTION 07 05 23 Page 8 list, and submit a certified Thermographic Investigation Report. The contractor is to prepare a final report that identifies improvements that were made to the envelope to reduce leaks, mitigate thermal bridging, eliminate moisture migration, repair insulation voids discovered during diagnostic tests. Jointly submit all reports.

3.2 ENVELOPE SURFACE AREA CALCULATION

The architectural air barrier boundary includes the floor, walls, and roof.

After construction of the air barrier envelope is complete, field measure the envelope to ensure the physical measurements match the design drawings and the air barrier envelope surface area calculations. If the measurements are not consistent with the defined air barrier boundary as indicated, re-calculate the envelope surface area and submit the envelope surface area calculation and results for review. [If the air barrier was defined during design but the air barrier envelope surface area was not calculated, calculate it during construction and submit the envelope surface area calculations and result for review.]

3.3 PREPARING THE BUILDING ENVELOPE FOR THE PRESSURE TEST

3.3.1 Testing During Construction

3.3.1.1. ASTM E783 air leakage testing shall be conducted on the

Standalone Exterior Mockup across the entire front and back elevations at the Mockup Ground, 1st, and 2nd Levels. Rip sheet the entire chamber area to check and measure test chamber leakage. Testing criteria: maximum of .04 CFM/sq. ft. at 75 Pa (1.57 PSF). Then perform ASTM E1186 pressurized chamber with smoke at each location to identify all leakage pathways, even if the ASTM E783 test passes.

3.3.1.2. In-Progress Partial Building Enclosure Testing

a. ASTM E783 air leakage testing shall be conducted on 6 partial elevations, minimum 1 bay in length by 1 story in height, at the East and West Bars (12 tests total). Rip sheet the entire chamber area to check and measure test chamber leakage. Testing criteria: maximum of .04 CFM/sq. ft. at 75 Pa (1.57 PSF). Then perform ASTM E1186 pressurized chamber with smoke at each location to identify all leakage pathways, even if the ASTM E783 test passes. Conduct 2 sequences (ASTM E783/E1186) of tests at 15%, 50%, and 75% of elevation completion. Test areas will be selected by the USACE Field Representative, AE and the Commissioning Authority. The testing will be completed to not impact the Construction Schedule. Interior finishes on the exterior envelope will not be completed at the time of this testing to ease identification of leakage areas. Test results will be provided for each test and leakage at given areas common to the building envelope will be corrected before testing occurs in subsequent areas. If there is a ASTM E783 test failure, correct and retest that area plus one additional test sequence

(ASTM E783/E1186).

3.3.1.3. The whole building pressure test cannot be conducted until all components of the air barrier system have been installed. After all sealing as described herein has been completed, inspect the envelope to ensure it has been adequately prepared. During the pressure test, stop all ongoing construction within and neighboring the envelope which may impact the test or the air

SECTION 07 05 23 Page 9 barrier integrity. The pressure test should be conducted before finishes that are not part of the air barrier envelope have been installed. For example, if suspended ceiling tile, interior gypsum board or cladding systems are not part of the air barrier the test can be conducted before they are installed. Recommend testing prior to installing the finished ceilings within the envelope and immediately surrounding it. The absence of finished ceilings allows for inspection and diagnostic testing of the roof/wall interface and for implementation of repairs to the air barrier, if necessary to comply with the maximum allowed leakage.

3.3.2 Sealing The Air Barrier Envelope

Seal all penetrations through the air barrier. Unavoidable penetrations due to electrical boxes or conduit, plumbing, and other assemblies that are not air tight are to be made so by sealing the assembly and the interface between the assembly and the air barrier or by extending the air barrier over the assembly. Support the air barrier so as to withstand the maximum positive and negative air pressure to be placed on the building without displacement or damage, and transfer the load to the structure. Durably construct the air barrier to last the anticipated service life of the assembly and to withstand the maximum positive and negative pressures placed on it during pressure testing. Do not install lighting fixtures that are equipped with ventilation holes through the air barrier.

3.3.3 Sealing Plumbing

Prime all plumbing traps located within the envelope full of water.

3.3.4 Close and Lock Doors

Close and lock all doors and windows in the envelope perimeter. For doors not equipped with latching hardware, temporarily secure them in the closed position. Secure the doors in such a way that they remain fully closed even when the maximum anticipated differential air pressure produced during the test acts on them.

3.3.5 Hold Excluded Building Areas at the Outdoor Pressure Level

Keep building areas immediately surrounding but excluded from the test envelope at the outdoor pressure level during the pressure test. Maintain these areas at the outdoor pressure level by propping exterior doors open, opening windows and de-energizing all air moving devices in or serving these areas.

3.3.6 Maintain an Even Pressure within the Envelope

Ensure the pressure differences within the envelope are minimized by opening all internal air pathways including propping open all interior doors. Distribute test fans throughout the envelope as necessary to ensure the internal pressures are uniform (within 10 percent of the average differential pressure). Ideally, do not install suspended ceilings until after all pressure tests have been completed. If, however the envelope includes finished suspended ceiling spaces, temporarily remove approximately 5 percent of all ceiling tiles or a minimum of 1 tile from each isolated suspended ceiling space, whichever comprises the greatest surface area. Temporarily remove additional ceiling tiles during testing to allow for inspection and diagnostic testing of the ceiling/wall interface.

3.3.7 Maintain Access to Mechanical and Electrical Rooms

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Maintain access to mechanical rooms and electrical rooms associated with the envelope to allow for de-energizing ventilation equipment and resetting circuit breakers tripped by blower door equipment, if used.

3.3.8 Minimize Potential for Blowing Dust and Debris

Because high velocity air will be blown into and out of the envelope during the test, debris, including dust and litter, may become airborne.

Airborne debris may become trapped or entangled in test equipment, thereby skewing test results. Ensure areas within and surrounding the envelope are free of dust, litter and construction materials that are easily airborne.

If pressurizing existing, occupied areas, provide adequate notice to building occupants of blowing dust and debris, and general disruption of normal activities during the test.

3.3.9 De-energize Air Moving Devices

De-energize all air moving devices serving the envelope to keep air within the envelope as still as reasonably achievable. De-energize all fans that deliver air to, exhaust air from, or recirculate air within the envelope.

Also de-energize all fans serving areas adjacent to but excluded from the envelope.

3.3.10 Installing Blower Door Equipment in a Door Opening

Where blower door fans are used, before installing blower door equipment, select a door opening that does not restrict air flow into and out of the envelope and has at least 5 feet clear distance in front of and behind the door opening. Disconnect the door actuator and secure the door open to prevent it from being drawn into the fan by fan pressure.

3.4 BUILDING ENVELOPE AIR TIGHTNESS REQUIREMENT

For each building envelope, perform two pressure tests; the Architectural Only test and the Architectural Plus HVAC System test. The purpose of the pressure (air leakage) test is to determine final compliance with the airtightness requirement by demonstrating the performance of the continuous air barrier. An effective air barrier envelope minimizes infiltration and exfiltration through unintended air paths (leaks). The tests may be performed in any desired order.

3.4.1 Architectural Only Test

The test envelope is the architectural air barrier boundary as defined on the contract drawings. This boundary includes connecting walls, roof and floor which comprise a complete, whole, and continuous three- dimensional envelope. Perform both a positive pressure test and a negative pressure test on this envelope, unless otherwise directed. This is the “Building Envelope Test” in ASTM E3158.

3.4.1.1 Test Goal

Data from the test is to be input into a CALCULATION PROGRAM. The envelope passes the test if the leakage rate is equal to or lower than the Architectural Only leakage rate goal. Squared correlation coefficient (r2) and the 95% confidence intervals (95% CI) are also to be considered, see “Testing in Both Positive and Negative Directions.”

3.4.1.2 Preparing The Envelope For The Pressure Test per ASTM E3158.

Below are specific measures, comply with ASTM E3158 where there are

SECTION 07 05 23 Page 11 conflicts.

Temporarily close all perimeter windows, roof hatches and doors in the envelope perimeter except for those doors that are to remain open to accommodate blower door or trailer mounted fan test equipment installation.

Seal, or isolate all other intentional openings, pathways and fenestrations through the architectural envelope prior to pressure testing. These openings may include boiler flues, fuel-burning water heater flues, fuel-burning kitchen equipment, clothes dryer vents, wall or ceiling grilles, diffusers etc. Before sealing flues, close their associated fuel valves and verify the associated pilot lights are extinguished. Prime all plumbing traps located within the envelope full of water. In lieu of applying tape and/or plastic, Typical temporary sealing materials include tape and sheet plastic or a self-adhesive grille wrap. Use and apply tape and plastic in a manner that does not deface or remove paint or mar the finish of permanent surfaces. Be especially aware of residue that remains from tape applied to stainless steel surfaces such as kitchen hoods or rollup doors. For painted surfaces, use tape types that do not remove finish paint when the tape is removed. If paint is removed from the finished surface, repaint to match existing surfaces. Secure dampers closed either manually or by using the building's HVAC system controls.

Use the table below for further guidance in building preparation.

Building Component Envelope Condition

Air handling units, duct fans As found (open) or temporarily sealed as necessary

Clothes dryer Off

Clothes dryer vents Temporarily sealed

Dampers - intake, exhaust Physically closed or closed using control power or temporarily sealed

Diffusers, registers, grilles within the envelope

Temporarily sealed

Doors, personnel type, at the envelope perimeter

Secured closed

Doors, personnel type, within the envelope Secured (propped) open

Doors, roll-up type, at the envelope perimeter

Closed (no additional sealing)

Exhaust hoods Closed* and temporarily sealed

Kitchen hoods Temporarily sealed *

Pilot light and associated fuel valve Extinguished and closed, respectively

Vented combustion appliance Temporarily sealed *

Vented combustion appliance exhaust flue Off

Windows Secured closed

* If the building component has an associated manual or automatic damper, consider securing the damper closed in lieu of temporarily sealing.

SECTION 07 05 23 Page 12

3.4.2 Architectural Plus HVAC System Test

This test envelope includes the architectural air barrier boundary as defined on the contract drawings plus all HVAC supply, return and exhaust systems that penetrate and terminate within said architectural air barrier boundary and that extends outward from said boundary. All associated ductwork, intake and exhaust dampers, and air moving devices, including air handling units and fans, are included in this test envelope even if they are physically located outside of the architectural air barrier boundary.

The boundary extends to and includes the low leakage intake and exhaust dampers. Perform both a positive pressure test and a negative pressure test on this envelope, unless otherwise indicated. This is the “Operational Envelope Test” in ASTM E3158.

3.4.2.1 Test Goal

Data from the test is to be input into a CALCULATION PROGRAM. Compare output against the leakage rate goal. The envelope passes the test if the leakage rate is equal to or lower than the Architectural Plus HVAC System leakage rate goal. Squared correlation coefficient (r2) and the 95% confidence intervals (95% CI) are also to be considered, see “Testing in Both Positive and Negative Directions.”

3.4.2.2 Preparing the Building for the Pressure Test per ASTM E3158. Below are specific measures, comply with ASTM E3158 where there are conflicts.

In preparation of this test, de-energize all air moving devices within this envelope by putting their controls in the Unoccupied mode. This allows the building's HVAC controls to close all associated motorized intake, exhaust, and relief dampers.

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