ATT 2 - 626A4-22-700 - Final Bid Docs Specs VOL 2-R1.pdf

Final Bid Documents – 100% Final Bid Documents: R1

Project Specifications - Volume 2 Divisions 7-23 May 22, 2025

Department of Veterans Health Administration

Electronic Health Record Modernization (EHRM) Infrastructure Upgrades – Murfreesboro Project No. 626A4‐22‐700

Contract No. 36C77623C0016

Tennessee Valley Healthcare System (TVHS) Murfreesboro

3400 Lebanon Rd. Murfreesboro, TN 37129

US Department of Veterans Affairs

Program Contracting Activity Central (PCAC)

6150 Oak Tree Blvd., Suite 300

Independence, OH 44131

Prepared by:

2600 American Road SE, suite 100 Rio Rancho, NM 87124

TVHS 100% FINAL BID DOCUMENTS

Murfreesboro, TN 05/22/2025

Electronic Health Records 07 22 00 - 1 of 8 Modernization (EHRM) Roof and Deck Insulation Infrastructure Upgrades-Murfreesboro, TN VA Project No. 626A4-22-700

SECTION 07 22 00

ROOF AND DECK INSULATION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

B. Roof and deck insulation, substrate board, vapor retarder, and cover board on new metal deck substrates ready to receive roofing or waterproofing membrane.

C. Repairs and alteration work to existing roof insulation.

1.2 RELATED WORK

A. Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS: Non-Flooring Adhesives and Sealants VOC Limits.

B. Section 06 10 00, ROUGH CARPENTRY: Wood Cants, Blocking, and Edge

Strips.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American Society of Civil Engineers

ASCE 7-16...............Minimum Design Loads and Associated Criteria for Buildings and Other Structures

C. American Society of Heating, Refrigeration and Air Conditioning

(ASHRAE):

Standard 90.1-13........Energy Standard for Buildings Except Low-Rise

Residential Buildings.

D. ASTM International (ASTM):

C208-12(2017)e2.........Cellulosic Fiber Insulating Board.

C552-17e1...............Cellular Glass Thermal Insulation.

C726-17.................Mineral Fiber Roof Insulation Board.

C728-17a................Perlite Thermal Insulation Board.

C1177/C1177M-17.........Glass Mat Gypsum Substrate for Use as

Sheathing.

C1278/C1278M-17.........Fiber-Reinforced Gypsum Panel.

C1289-19................Faced Rigid Cellular Polyisocyanurate Thermal

Insulation Board.

C1396/C1396M-17.........Gypsum Board.

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D41/D41M-11 (2016)......Asphalt Primer Used in Roofing, Dampproofing, and Waterproofing.

D312/D312M-16a..........Asphalt Used in Roofing.

D1970/D1970M-20.........Self-Adhering Polymer Modified Bituminous Sheet

Materials Used as Steep Roofing Underlayment for Ice Dam Protection.

D2178/D2178M-15a........Asphalt Glass Felt Used in Roofing and

Waterproofing.

D2822/D2822M-05(2011)e1.Asphalt Roof Cement, Asbestos Containing.

D4586/D4586M-07(2018)...Asphalt Roof Cement, Asbestos-Free.

E84-20..................Surface Burning Characteristics of Building

Materials.

F1667-18a...............Driven Fasteners: Nails, Spikes, and Staples.

E. National Roofing Contractors Association (NRCA):

Manual-15...............The NRCA Roofing Manual: Membrane Roof Systems-

2019.

F. UL LLC (UL):

Listed Online Certifications Directory.

G. U.S. Department of Agriculture (USDA):

USDA BioPreferred Program Catalog.

H. U.S. Department of Commerce National Institute of Standards and

Technology (NIST):

DOC PS 1-19.............Structural Plywood.

DOC PS 2-18.............Performance Standard for Wood-Based

Structural-Use Panels.

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Show size, configuration, and installation details.

a. Nailers, cants, and terminations.

b. Layout of insulation showing slopes, tapers, penetrations, and edge conditions.

C. Manufacturer's Literature and Data:

1. Description of each product.

D. Samples:

1. Roof insulation, each type.

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2. Fasteners, each type.

E. Sustainable Construction Submittals:

1. Recycled Content: Identify post-consumer and pre-consumer recycled content percentage by weight.

2. Biobased Content:

a. Show type and quantity for each product.

3. Low Pollutant-Emitting Materials:

a. Show volatile organic compound types and quantities.

b. Certify each product contain no added urea formaldehyde.

F. Qualifications: Substantiate qualifications meet specifications.

1. Installer.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: Same installer as Division 07 roofing section installer.

1.6 DELIVERY

A. Comply with recommendations of NRCA Manual.

B. Deliver products in manufacturer's original sealed packaging.

C. Mark packaging, legibly. Indicate manufacturer's name or brand, type, and manufacture date.

D. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.7 STORAGE AND HANDLING

A. Comply with recommendations of NRCA Manual.

B. Store products indoors in dry, weathertight facility.

C. Protect products from damage during handling and construction operations.

1.8 FIELD CONDITIONS

A. Environment: Install products when existing and forecasted weather permit installation according to manufacturer's instructions.

1.9 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of

Construction."

B. Manufacturer's Warranty: Warrant substrate board, vapor retarder, insulation, and cover board against material and manufacturing defects as part of Division 07 roofing system warranty.

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PART 2 - PRODUCTS

2.1 SYSTEM PERFORMANCE

A. Insulation Thermal Performance:

1. Overall Average R-Value: RSI-57 (R-33), minimum.

2. Any Location R-Value: RSI-17 (R-10), minimum.

B. Fire and Wind Uplift Resistance: Provide roof insulation complying with requirements specified in Division 07 roofing section.

C. Insulation on Metal Decking: UL labeled indicating compliance with one of the following:

1. UL Listed.

2. Insulation Surface Burning Characteristics: When tested according to

ASTM E84.

a. Flame Spread Rating: 75 maximum.

b. Smoke Developed Rating: 150 maximum.

2.2 PRODUCTS - GENERAL

A. Provide each product from one manufacturer.

B. Sustainable Construction Requirements:

1. Insulation Recycled Content:

a. Glass Fiber Reinforced Rigid Foam: 6 percent total recycled content, minimum.

2. Low Pollutant-Emitting Materials: Comply with VOC limits specified in Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS for the following products:

a. Non-flooring adhesives and sealants.

3. Bio-Based Materials: Where applicable, provide products designated by USDA and meeting or exceeding USDA recommendations for bio-based content, and products meeting Rapidly Renewable Materials and certified sustainable wood content definitions; refer to www.biopreferred.gov.

2.3 ADHESIVES

A. Primer: ASTM D41/D41M.

B. Asphalt: ASTM D312, Type III or IV for vapor retarders and insulation.

C. Modified Asphaltic Insulation Adhesive: Insulation manufacturer's recommended modified asphaltic, asbestos-free, cold-applied adhesive formulated to adhere roof insulation to substrate or to another insulation layer.

http://www.biopreferred.gov/

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D. Bead-Applied Urethane Insulation Adhesive: Insulation manufacturer's recommended bead-applied, low-rise, one- or multicomponent urethane adhesive formulated to adhere roof insulation to substrate or to another insulation layer.

E. Full-Spread Applied Urethane Insulation Adhesive: Insulation manufacturer's recommended spray-applied, low-rise, two-component urethane adhesive formulated to adhere roof insulation to substrate or to another insulation layer.

F. Roof Cement: Asbestos free, ASTM D2822/D2822M, Type I or Type II; or, ASTM D4586/D4586M, Type I or Type II.

2.4 ROOF AND DECK INSULATION

A. Roof and Deck Insulation, General: Preformed roof insulation boards approved by roofing manufacturer.

B. Polyisocyanurate Board Insulation: ASTM C1289, Type II, Class 1, Grade 2, faced with glass fiber reinforced cellulosic felt facers on both major surfaces of the core foam.

C. Cellular Glass Board Insulation: ASTM C552, Type IV, kraft-paper sheet faced.

D. Perlite Board Insulation: ASTM C728, expanded perlite particles, selected binders, and cellulosic fibers with surface treated to reduce bitumen absorption.

E. Cellulosic Fiber Board Insulation: ASTM C208, Type II, Grade 2 for single-ply roofing .

2.5 INSULATION ACCESSORIES

A. Glass (Felt): ASTM D2178/D2178M, Type VI, heavy duty ply sheet.

B. Cants and Tapered Edge Strips:

1. Insulation Cant Strips: ASTM C208, Type II, Grade 1, cellulosic-fiber insulation board.

2. Tapered Edge Strips: 1/12 (1 inch per 12 inches), from 0 mm (0 inches), 300 mm to 450 mm (12 inches to 18 inches) wide.

a. Cellulosic Fiberboard: ASTM C208.

b. Mineral Fiberboard: ASTM C726.

c. Perlite Board: ASTM C728.

C. Vapor Retarder:

1. Glass-Fiber Felts: ASTM D2178/D2178M, Type IV, asphalt impregnated.

2. Self-Adhering Sheet Vapor Retarder: ASTM D1970/D1970M, minimum

1.0 mm (40 mils) thick membrane of HDPE film fully coated with

Electronic Health Records 07 22 00 - 6 of 8 asphalt adhesive, or 0.76 to 1.0 mm (30 to 40 mils) thick membrane of butyl rubber based adhesive backed by a layer of high density cross-laminated polyethylene; maximum permeance rating of

6 ng/Pa/s/sq. m (0.1 perms).

D. Substrate Board:

1. Glass-Mat, Water-Resistant Gypsum Roof Board: ASTM C1177/C1177M, Type X, 16 mm (5/8 inch) thick, factory primed.

2.6 ACCESSORIES

A. Fasteners: Corrosion-resistant carbon steel fasteners and galvalume-coated steel or plastic round plates for fastening substrate board and insulation to roof deck.

B. Nails: ASTM F1667; type to suit application.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Comply with requirements of Division 07 roofing section.

3.2 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

3.3 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

B. Comply with requirements of UL for insulated steel roof deck.

C. Attach substrate board and other products to meet requirements of

Division 07 roofing section.

3.4 SUBSTRATE BOARD INSTALLATION

A. Fasten substrate board to top flanges of steel decking to resist uplift pressures according requirements for specified roofing system.

1. Locate the long dimension edge joints solidly bearing on top of decking ribs.

3.5 VAPOR RETARDER INSTALLATION

A. Vapor Retarder Installation, General:

1. Install continuous vapor retarder on roof decks where indicated.

2. At vertical surfaces, turn up vapor retarder to top of insulation or base flashing.

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3. Seal penetrations through vapor retarder with roof cement to prevent moisture entry from below.

B. Cast in Place Concrete Decks, Except Insulating Concrete:

1. Prime deck as specified.

2. Apply two plies of asphalt saturated felt mopped down to deck.

C. Precast Concrete Unit Decks Without Concrete Topping:

1. Prime deck as specified.

2. Apply two plies of asphalt saturated felt.

3. Mop to deck, keeping bitumen 100 mm (4 inches) away from joints of precast units. Bridge joints with felt. Mop between plies as specified.

3.6 INSULATION INSTALLATION

A. Insulation Installation, General:

1. Base Sheet: Where required by roofing system, install one lapped base sheet specified in Division 07 roofing section by mechanically fastening to roofing substrate before installation of insulation.

2. Cant Strips: Install preformed insulation cant strips.

B. Insulation Thickness:

1. Thickness of roof insulation shown on drawings is nominal. Provide thickness required to comply with specified thermal performance.

2. Insulation on Metal Decks: Provide insulation in minimum thickness recommended by insulation manufacturer to span deck flutes. Support edges of insulation on metal deck ribs.

3. When actual insulation thickness differs from drawings, coordinate alignment and location of roof drains, flashing, gravel stops, fascias and similar items.

4. Where tapered insulation is used, maintain insulation thickness at high points and roof edges shown on drawings.

a. Low Point Thickness: Minimum 38 mm (1-1/2 inches).

5. Use minimum two layers of insulation when required thickness is

68 mm (2.7 inch) or greater.

C. Lay insulating units with close joints, in regular courses and with end joints staggered.

1. Stagger joints between layers minimum 150 mm (6 inches).

D. Lay units with long dimension perpendicular to the rolled

(longitudinal) direction of the roofing felt.

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E. Seal cut edges at penetrations and at edges against blocking with bitumen or roof cement.

F. Cut to fit tightly against blocking or penetrations.

G. Cover all insulation installed on the same day; comply with temporary protection requirements of Division 07 roofing section.

H. Installation Method:

1. Mechanically Fastened and Adhered Insulation:

a. Fasten first layer of insulation according to "Mechanically

Fastened Insulation" requirements.

b. Fasten each subsequent layer of insulation according to "Adhered

Insulation" requirements.

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Electronic Health Records Modernization (EHRM)

07 50 05 - 1 of 6

ROOF SYSTEMS

SECTION 07 50 05

PART 1 – GENERAL

A. Section Includes

1. Patching of existing roofing system for installing of new roof mounted HVAC equipment for telecommunication rooms and Building 157.

2. The existing roof systems vary.

3. See drawings for locations of units.

4. See specification section for requirements for specific work required for each roof system.

B. Related Sections

1. Section 06 10 00: Rough Carpentry

1.2 REFERENCES

A. American Society for Testing and Materials (ASTM)

1. ASTM D-751 – Standard Test Methods for Coated Fabrics

2. ASTM E-96 - Standard Test Methods for Water Vapor

Transmission of Materials

3. ASTM D-1079 – Terminology Relating to Roofing and

Waterproofing

4. ASTM D-204 - Standard Test Method for Linear Dimensional

Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature

5. ASTM C-578 – Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation.

6. ASTM C-1289 – Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board

7. ASTM C-1371 - Standard Test Method for Determination of Emittance of Materials Near Room Temperature Using Portable Emissometers

8. ASTM D-2136 – 02(2007) Standard Test Method for Coasted Fabrics-Low-Temperature Bend Test

9. ASTM D-3045 – 92(2010) Standard Practice for Heat Aging of Plastics Without Load

10. ASTM D-4434/D-4434M – 2015 Standard Specification for Poly(Vinyl Chloride) Sheet Roofing

11. ASTM D-6754/D-6754M – 2010 Standard Specification for Ketone Ethylene Ester Based Sheet Roofing

B. International Building Code – 2021.

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C. Sheet Metal and Air Conditioning Contractors National

Association, Inc. (SMACNA) - Architectural Sheet Metal Manual (6th Edition)

D. Underwriters Laboratories (UL) UL 790 - 2004 Standard Test

Methods for Fire Tests of Roof Coverings

E. National Roofing Contractors Association (NRCA) – 2012 the NRCA Roofing Manual.

F. American National Standards Institute/Single Ply Roofing Association - ANSI/SPRI-ES-1-2003 Low Slope Roof Edge Standard

1.3 DEFINITIONS

A. Roofing Terminology: Refer to ASTM D-1079 - 2006 and the glossary of the National Roofing Contractors Association (NRCA) Roofing and Waterproofing Manual for definitions of roofing terms related to this section.

B. Sheet Metal Terminology: SMACNA Architectural Sheet Metal Manual (6th Edition)

1.4 INFORMATION SUBMITTALS

A. Warranty: Draft of installer two(2) year, no dollar limit

(NDL).

1.5 ACTION SUBMITTALS

A. Product Data: Provide manufacturer’s product data sheets for each type of product.

B. Shop Drawings: Provide specific details and approved shop drawings including all flashing details for each location.

C. Submittal documents shall be submitted to the proposed roofing membrane or system supplier/manufacturer for their review and approval.

D. Submittals will not be considered approved until written approval of the patching methodology/system is received from roofing system or membrane manufacturer.

1.6 PRE-INSTALLATION CONFERENCE

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A. Conduit pre-installation meeting at the project site minimum 30 days before beginning work of this section.

1. Required participants

a. Contracting Officer’s Representative

b. Contractor

c. Installer

d. Other installers responsible for adjacent and intersecting work, including utility penetrations, rooftop curbs and HCAC equipment.

2. Meeting Agenda: Distribute agenda to participants minimum 3 days before meeting.

a. Installation schedule

b. Installation sequence

c. Preparatory work

d. Protection before, during and after installation

e. Installation

f. Terminiations

g. Transitions and connections to other work

h. Inspecting and testing

i. Other items affecting successful completion

j. Pull out test of fasteners

k. Material storage, including roof deck load limitations

3. Documents and distribute meeting minutes to participants Ro record decisions affecting installation

1.7 PERFORMANCE REQUIREMENTS

A. Provide an installed roofing membrane and base flashing system patching system that does not permit the passage of water.

B. Roofing contractor shall provide all roofing and sealant materials that are physically and chemically compatible with each existing roof system.

1.8 REGULATORY REQUIREMENTS

A. All work shall be performed in a safe, professional manner, conforming to all federal codes.

B. Exterior Fire Test Exposure: Provide roofing system achieving a UL 790 Class rating equal to the existing roof system.

1.9 DELIVERY, STORAGE AND HANDLING

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A. Deliver all roofing materials to the site in original containers, with factory seals intact. All products are to carry manufacturer’s original labels.

B. Store membrane on manufacturer-provided pallets in original, undisturbed wrappings.

C. Store all pail goods in their original undamaged containers in a clean, dry location within their specified temperature range. Reference data sheets for product storage requirements.

D. Do not expose materials to moisture in any form before, during or after delivery to the site. Reject delivery of materials that show evidence of contact with moisture.

E. Use “breathable” type covers such as canvas tarpaulins to allow venting and protection from weather and moisture.

Cover and protect materials at the end of each work day.

Do not remove any protective tarpaulins until immediately before the material will be installed.

1.10 WARRANTY

A. Installer’s Guarantee: Submit roofing installer’s guarantee signed by Installer, cover work of this Section, including all components of the roofing system for each location of the following guarantee period:

1. Guarantee Period: Two (2) years from date of

Substantial Completion.

PART 2 – PRODUCTS

2.1 PLATES, FASTENERS AND ANCHORING BARS AT PATCH PERIMETER

A. As required by roofing patching system design and specified warranty requirements.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that the existing surfaces and that the proposed system has been fully coordinated with the anchoring requirements of each piece of mechanical equipment.

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3.2 ADHESIVES AND SEALANTS

A. Liquid adhesives and sealants shall be stored at a minimum temperature of 60° F. Verify adhesives are at 60° F or higher before use. Do not store adhesives with open lids due to loss of solvents which will occur from flash off.

3.3 TRAFFIC PROTECTION

A. Install temporary and permanent walkway pads/rolls at all contractor roof access locations and other designated locations including perimeter work area for all roof-mounted equipment work locations and areas of repeated rooftop traffic as indicated on the drawings.

B. Walkway pads shall allow for drainage either under or between the pads.

C. Attach walkway pads to the roof membrane per roofing manufacturer’s instructions.

D. Walkway pads shall be part of the 2-year NDL Warranty.

3.4 ROOF PROTECTION

A. Protect all partially and fully completed roofing work from other trades until completion.

B. Stage materials in such a manner that foot traffic is minimized over completed roof areas.

C. When it is not possible to stage materials away from locations where partial or complete installation has taken place, temporary walkways and platforms shall be installed in order to protect all completed roof areas from traffic and point loading during the application process.

D. Temporary tie-ins shall be installed at the end of each workday and removed prior to commencement of work the following day.

3.5 CLEAN-UP

A. All work areas are to be kept clean, clear and free of debris at all times.

07 50 05 - 6 of 6

B. Do not allow trash, waste, or debris to collect on the roof. These items shall be removed from the roof on a daily basis.

C. All unused materials must be collected at the end of each workday and protected from exposure to the elements.

D. Properly clean the finished roof surface after completion per the roofing membrane manufacturer’s instructions.

E. Clean and restore all damaged surfaces to their original condition.

F. Contractor shall “snake” all adjacent roof drains after completion of new work to verify no construction debris is lodged in the drainage piping. Roofing contractor shall coordinate this activity with GC Project Manager’s and VA COR observations.

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Electronic Health Records 07 51 13.13 - 1 of 6 Modernization (EHRM) COLD-APPLIED BUILT-UP Infrastructure Upgrades-Murfreesboro, TN ASPHALT ROOFING PATCHING VA Project No. 626A4-22-700

SECTION 07 51 13.13

COLD-APPLIED BUILT-UP ASPHALT ROOFING PATCHING

A. Section Includes:

1. Cold-applied asphalt built-up roofing with waterproofing of new rooftop mechanical equipment supports and pads on existing areas with existing asphalt built-up roof systems.

1.2 RELATED WORK

A. Section 07 60 00, FLASHING AND SHEET METAL: Sheet Metal Components and

Wind Uplift Requirements for Roof-Edge Design.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American National Standards Institute/Single-Ply Roofing Institute

(ANSI/SPRI):

FX-1 (2016).............Standard Field Test Procedure for Determining the Withdrawal Resistance of Roofing Fasteners.

C. National Roofing Contractors Association (NRCA):

Manual -2019............The NRCA Roofing Manual: Membrane Roof Systems.

D. U.S. Department of Agriculture (USDA):

BioPreferred® Program Catalog.

1.4 PREINSTALLATION MEETINGS

A. Conduct preinstallation meeting at project site minimum 30 days before beginning Work of this section.

1. Required Participants:

a. Contracting Officer's Representative.

b. Architect/Engineer.

c. Inspection and Testing Agency.

d. Contractor.

e. Installer.

f. Manufacturer's field representative.

2. Mechanical Equipment Supplier

3. Meeting Agenda: Distribute agenda to participants minimum 3 days before meeting.

a. Installation schedule.

b. Installation sequence.

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Infrastructure Upgrades-Murfreesboro, TN ASPHALT ROOFING PATCHING VA Project No. 626A4-22-700

c. Preparatory work.

d. Protection before, during, and after installation.

e. Installation.

f. Terminations.

g. Transitions and connections to other work.

h. Inspecting and testing.

i. Other items affecting successful completion.

j. Pull out test of fasteners.

k. Material storage, including roof deck load limitations.

4. Document and distribute meeting minutes to participants to record decisions affecting installation.

1.5 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Roofing membrane layout.

2. Roofing membrane fastener pattern and spacing.

3. Roofing membrane seaming and joint details.

4. Roof membrane penetration details.

5. Base flashing and termination details.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Minimum fastener pullout resistance.

3. Installation instructions.

4. Warranty.

D. Samples:

1. Roofing Membrane: 150 mm (6 inch) square.

2. Base Flashing: 150 mm (6 inch) square.

3. Fasteners: Each type.

4. Roofing Membrane Seam: 300 mm (12 inches) square.

E. Sustainable Construction Submittals:

1. Biobased Content:

a. Show type and quantity for each product.

2. Low Pollutant-Emitting Materials:

a. Show volatile organic compound types and quantities.

3. Energy Star label for roofing membrane.

F. Qualifications: Substantiate qualifications comply with specifications.

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Infrastructure Upgrades-Murfreesboro, TN ASPHALT ROOFING PATCHING VA Project No. 626A4-22-700

1. Installer, including supervisors with project experience list

2. Manufacture’s field representative with project experience list.

G. Field quality control reports.

H. Temporary protection plan. Include list of proposed temporary materials.

I. Operation and Maintenance Data:

1. Maintenance instructions.

1.6 QUALITY ASSURANCE

A. Installer Qualifications:

1. Approved by roofing system manufacturer as installer for roofing system with specified warranty.

2. Regularly installs specified products.

3. Installed specified products with satisfactory service on five similar installations for minimum five years.

a. Project Experience List: Provide contact names and addresses for completed projects.

4. Employs full-time supervisors experienced installing specified system and able to communicate with Contracting Officer's

Representative and installer's personnel.

1.7 DELIVERY

A. Deliver products in manufacturer's original sealed packaging.

B. Mark packaging, legibly. Indicate manufacturer's name or brand, type, and manufacture date.

C. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.8 STORAGE AND HANDLING

A. Comply with NRCA Manual storage and handling requirements.

B. Store products indoors in dry, weathertight facility.

C. Store adhesives according to manufacturer's instructions.

D. Protect products from damage during handling and construction operations.

E. Products stored on the roof deck must not cause permanent deck deflection.

1.9 FIELD CONDITIONS

A. Environment:

1. Product Temperature: Minimum 4 degrees C (40 degrees F) for minimum

48 hours before installation.

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Infrastructure Upgrades-Murfreesboro, TN ASPHALT ROOFING PATCHING VA Project No. 626A4-22-700

2. Weather Limitations: Install roofing only during dry current and forecasted weather conditions.

1.10 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of

Construction."

B. Manufacturer's Warranty: Warrant roofing system against material and manufacturing defects and agree to repair any leak caused by a defect in the roofing system materials or workmanship of the installer.

1. Warranty Period: 10 years.

PART 2 - PRODUCTS

2.1 SYSTEM DESCRIPTION

A. Built-up asphalt roof patching material Basis of Design.

1. Markley Roofing 420 Omniseal ply base sheet.

2. Markley Roofing 430 Omniseal cap sheet.

3. EPDM pipe boots.

4. Or approved equal.

B. Installation instruction

1. Markley Roofing products written installation

2. Instructions for self-adhering Omniply products

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine and verify substrate for product installation with roofing

Installer and roofing inspector present.

1. Verify roof penetrations are complete, secured against movement, and fire stopped.

2. Verify roof deck is adequately secured to resist wind uplift.

3. Verify roof deck is clean, dry, and in-plane ready to receive roofing system.

B. Correct unsatisfactory conditions before beginning roofing work.

3.2 PREPARATION

A. Broom clean roof decks. Remove dust, dirt and debris.

3.3 TEMPORARY PROTECTION

A. Install temporary protection consisting of a temporary seal and water cut-offs at the end of each day's work and when work is halted for an indefinite period or work is stopped when precipitation is imminent.

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Infrastructure Upgrades-Murfreesboro, TN ASPHALT ROOFING PATCHING VA Project No. 626A4-22-700

B. Install temporary cap flashing over top of base flashings where permanent flashings are not in place to protect against water intrusion into roofing system. Securely anchor in place to prevent blow off and damage by construction activities.

C. Temporarily seal exposed insulation surfaces within roofing membrane.

1. Apply temporary seal and water cut off by extending roofing membrane beyond insulation and securely embedding edge of the roofing membrane in 6 mm (1/4 inch) thick by 50 mm (2 inches) wide strip of temporary closure sealant. Weight roofing membrane edge with sandbags, to prevent displacement; space sandbags maximum 2400 mm

(8 feet) on center.

2. Direct water away from work. Provide drainage, preventing water accumulation.

3. Check daily to ensure temporary seal remains watertight. Reseal open areas and weight down.

D. Before the work resumes, cut off and discard portions of roof membrane in contact with temporary seal.

1. Cut minimum 150 mm (6 inches) back from sealed edges and surfaces.

E. Remove sandbags and store for reuse.

3.4 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions and approved submittal drawings.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

3.5 CLEANING

A. Remove excess adhesive before adhesive sets.

3.6 PROTECTION

A. Protect roofing system from traffic and construction operations.

1. Protect roofing system when used for subsequent work platform, materials storage, or staging.

2. Distribute scaffolding loads to exert maximum 50 percent roofing system materials compressive strength.

B. Loose lay temporary insulation board overlaid with plywood or OSB.

1. Weight boards to secure against wind uplift.

C. Remove protective materials immediately before acceptance.

D. Repair damage.

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Electronic Health Records 07 53 23 - 1 of 12 Modernization (EHRM) ETHYLENE-PROPYLANE-DIENE Infrastructure Upgrades-Murfreesboro, TN MONOMER (EPDM) ROOFING REPAIR VA Project No. 626A4-22-700

SECTION 07 53 23

ETHYLENE-PROPYLENE-DIENE-MONOMER ROOFING REPAIR

A. Section Includes:

1. Roof repairs as needed for installation of new roof top HVAC units to match existing adhered ethylene-propylene-diene-terpolymer (EPDM) roofing system.

2. Roof repair as needed for installation of new roof top HVAC units to match existing mechanically fastened, ethylene-propylene-diene-terpolymer (EPDM) roofing system.

1.2 RELATED WORK

A. Section 07 22 00, ROOF AND DECK INSULATION: Substrate Board, Vapor

Retarder, Roof Insulation, and Cover Board.

1.3 PREINSTALLATION MEETINGS

A. Conduct preinstallation meeting at the Project site minimum 30 days before beginning Work of this section.

1. Meet with Contracting Officer’s Representative, testing and inspection agency representative, roofing Installer, roofing system manufacture’s representative, and installer whose work interfaces with or affects roofing, including installers of roof accessories and roof-mounted HVAC equipment.

2. Review methods and procedures related to roofing repairs and installation, including manufacture’s written instructions.

3. Review and finalize construction schedule, and verify availability of materials, Installer’s personnel, equipment, and facilities needed to make progress and avoid delays.

4. Examine deck substrate conditions and finishes, including flatness and fastening.

5. Review structrural loading limitations of the roof deck during and after roofing.

6. Review base flashing, special roofing details, roof drainage, roof penetrations, equipment curbs, and condition of other construction that affect roofing system.

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7. Review governing regulations and requirements for insurance and certificates if applicable.

8. Review temporary protection requirements for roofing system during and after installation.

9. Review roof observation and repair procedures after roofing installation.

1.4 SUBMITTALS

A. Product Data: For each type of product.

1. For installation and roof system component fasteners, including copy of FM Approvals’ RoofNav listing.

B. Submittal Drawings:

1. Roofing membrane layout.

2. Roofing membrane fastener pattern and spacing.

3. Roofing membrane seaming and joint details.

4. Roof membrane penetration details.

5. Base flashing and termination details.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Minimum fastener pull out resistance.

3. Installation instructions.

4. Warranty.

5. Product Data for Federally-Mandated Bio-Based Materials: For roof materials, indicating USDA designation and compliance with definitions for bio-based products, Rapidly Renewable Materials, and certified sustainable wood content.

D. Samples:

1. Roofing Membrane: 150 mm (6 inch) square.

2. Base Flashing: 150 mm (6 inch) square.

3. Fasteners: Each type.

4. Roofing Membrane Seam: 300 mm (12 inches) square.

E. Certificates: Certify products comply with specifications.

1. Fire and windstorm classification.

2. High wind zone design requirements.

1.5 QUALITY ASSURANCE

A. Installer Qualifications:

1. Approved by roofing system manufacturer as installer for roofing system with specified warranty.

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2. Regularly installs specified products.

3. Installed specified products with satisfactory service on five similar installations for minimum five years.

a. Project Experience List: Provide contact names and addresses for completed projects.

4. Employs full-time supervisors experienced installing specified system and able to communicate with Contracting Officer's

Representative and installer's personnel.

B. Manufacturer's Field Representative:

1. Manufacturer's full-time technical employee or independent roofing inspector.

2. Individual certified by Roof Consultants Institute as Registered Roof Observer.

1.6 DELIVERY

A. Deliver products in manufacturer's original sealed packaging.

B. Mark packaging, legibly. Indicate manufacturer's name or brand, type, and manufacture date.

C. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.7 STORAGE AND HANDLING

A. Comply with NRCA Manual storage and handling requirements.

B. Store products indoors in dry, weathertight facility.

C. Store adhesives according to manufacturer's instructions.

D. Protect products from damage during handling and construction operations.

E. Products stored on the roof deck must not cause permanent deck deflection.

1.8 FIELD CONDITIONS

A. Environment:

1. Product Temperature: Minimum 4 degrees C (40 degrees F) and rising before installation.

2. Weather Limitations: Install roofing only during dry current and forecasted weather conditions.

1.9 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of

Construction."

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B. Manufacturer's Warranty: Warrant roofing system against material and manufacturing defects and agree to repair any leak caused by a defect in the roofing system materials or workmanship of the installer.

1. Warranty Period: 2 years.

PART 2 - PRODUCT

PART 3 - PRODUCTS - GENERAL

A. Provide roof system components from one manufacturer.

B. Sustainable Construction Requirements:

1. Bio-Based Materials: Where applicable, provide products designated by USDA and meeting or exceeding USDA recommendations for bio-based content, and products meeting Rapidly Renewable Materials and certified sustainable wood content definitions; refer to www.biopreferred.gov.

2. Low Pollutant-Emitting Materials: Comply with VOC limits specified in Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS for the following products:

a. Non-flooring adhesives and sealants.

3.2 EPDM ROOFING MEMBRANE

A. EPDM Sheet: ASTM D4637/D4637M, Internally reinforced Type III - fabric backed.

1. Thickness: 1.5 mm (60 mils).

2. Color: See Section 09 06 00, SCHEDULE OF FINISHES Match existing Color.

B. Additional Properties:

PROPERTY TEST METHOD REQUIREMENT

Shore A Hardness ASTM D2240 55 to 75 Durometer

Water Vapor Permeance ASTM E96/E96M Minimum 8 ng/Pa/s/sq. m (0.14 perms) Water

Method

Fungi Resistance ASTM G21 After 21 days, no sustained growth or discoloration.

3.3 MEMBRANE ACCESSORY MATERIALS

A. Sheet roofing manufacturer's specified products.

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B. Flashing Sheet: Manufacturer's standard; same material, and color as roofing membrane.

1. Self-curing EPDM flashing adaptable to irregular shapes and surfaces.

2. Minimum Thickness: 1.5 mm (0.060 inch).

C. Factory Formed Flashings: Inside and outside corners, pipe boots, and other special flashing shapes to minimize field fabrication.

D. Splice Adhesive or Tape: Manufacturer's standard for roofing membrane and flashing sheet.

E. Splice Lap Sealant: Liquid EPDM rubber for exposed lap edge.

F. Bonding Adhesive: Manufacturer's standard, solvent based, to suit substrates.

G. Termination Bars: Manufacturer's standard, stainless steel or aluminum, 25 mm wide by 3 mm thick (1 inch wide by 1/8 inch thick) factory drilled for fasteners.

H. Battens: Manufacturer's standard, galvannealed or galvanized steel, 25 mm wide by 1.3 mm thick (1 inch wide by 0.05 inch thick), factory punched for fasteners.

I. Pipe Compression Clamp:

1. Stainless steel drawband.

2. Worm drive clamp device.

J. Fasteners: Manufacturer's standard coated steel with metal or plastic plates, to suit application.

K. Fastener Sealer: One part elastomeric adhesive sealant.

L. Temporary Closure Sealers (Night Sealant): Polyurethane two part sealer.

M. Primers, Splice Tapes, Cleaners, and Butyl Rubber Seals: As specified by roof membrane manufacturer.

N. Asphalt Roof Cement: ASTM D4586/D4586M.

3.4 FASTENERS

A. Fasteners and washers required for securing pavers together with straps and to walls or other anchorage:

1. Straps for Securing Pavers Together:

a. Stainless Steel: ASTM A276/A276M, Type 302 or 304, minimum

0.46 mm (0.018 inch) thick.

b. Aluminum Strap: ASTM B209/B209M, minimum 2.39 mm (0.094 inch) thick.

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c. Round corners on straps.

d. Form straps 38 mm (1-1/2 inches) wide, 3 m (10 feet) maximum length with 6 by 10 mm (1/4 by 3/8 inch) punched slotted holes at

100 mm (4 inch) centers centered on width of strap. Punch hole size 2 mm (1/16 inch) larger than fastener shank when shank is thicker than 5 mm (3/16 inch).

B. Fasteners or Connectors for Pavers:

1. For Concrete Pavers: Extruded interlocking hollow shape polyethylene connector:

a. ASTM D1248, Type 1, low density, Class C, black weather resistant, Grade E6, tensile strength 15 MPa (2200 psi), Shore D hardness of 4, brittleness low temperature - 82 degrees C

(180 degrees F), softening temperature above 80 degrees C

(176 degrees F).

b. Length: 50 mm (2 inches), with center stop and insert leg with ribs to resist withdrawal; minimum 1.3 mm (0.05 inch) thick.

2. Fasteners for Pavers Straps:

a. Stainless steel as recommended by manufacturer of paver in which fastener is anchored.

b. Fasteners that are not acceptable include:

1) Impact or power actuated fasteners.

2) Fasteners that do not require a predrilled pilot hole.

3) Fasteners with lead or white metal anchors.

4) Plastic anchors not stabilized against ultraviolet light.

3.5 SEPARATION SHEET

A. Polyethylene Film: ASTM D2103, 0.2 mm (6 mils) thick.

B. Building Paper: Fed. Spec. UU-B-790.

1. Water Vapor Resistance: Type I, Grade A, Style 4, reinforced.

2. Water Vapor Permeable: Type I, Grade D, Style 4, reinforced.

3.6 FLEXIBLE TUBING

A. Closed cell neoprene, butyl polyethylene, vinyl, or polyethylene tube or rod.

B. Diameter approximately 1-1/2 times joint width.

3.7 WALKWAY PADS

A. Manufacturer's standard, slip resistant, approximately 450 mm by 450 mm

(30 by 30 inches) square and 5 mm (3/16 inch) thick with rounded corners.

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3.8 ACCESSORIES

A. Temporary Protection Materials:

1. Expanded Polystyrene (EPS) Insulation: ASTM C578.

2. Plywood: NIST DOC PS 1, Grade CD Exposure 1.

3. Oriented Strand Board (OSB): NIST DOC PS 2, Exposure 1.

PART 4 - EXECUTION

4.1 EXAMINATION

A. Examine and verify substrate suitability for product installation with roofing installer and roofing inspector present.

1. Verify roof penetrations are complete, secured against movement, and firestopped.

2. Verify roof deck is adequately secured to resist wind uplift.

3. Verify roof deck is clean, dry, and in-plane ready to receive roofing system.

B. Correct unsatisfactory conditions before beginning roofing work.

4.2 PREPARATION

A. Complete roof deck construction before beginning roofing work:

1. Curbs, blocking, edge strips, and other components to which roofing and base flashing is attached in place ready to receive insulation and roofing.

2. Coordinate roofing membrane installation with flashing work and roof insulation work so insulation and flashing are installed concurrently to permit continuous roofing operations.

3. Complete installation of flashing, insulation, and roofing in same day except for the area where temporary protection is required when work is stopped for inclement weather or end of work day.

B. Dry out surfaces including roof deck flutes, that become wet from any cause during progress of the work before roofing work is resumed. Apply materials to dry substrates, only.

C. Broom clean roof decks. Remove dust, dirt and debris.

D. Remove projections capable of damaging roofing materials.

E. Concrete Decks, except Insulating Concrete:

1. Test concrete decks for moisture according to ASTM D4263 before installing roofing materials.

2. Prime concrete decks. Keep primer back 100 mm (f4our inches) from precast concrete deck joints.

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3. Allow primer to dry before application of bitumen.

F. Insulating Concrete Decks:

1. Allow deck to dry out minimum five days after installation before installing roofing materials.

2. Allow additional drying time when precipitation occurs before installing roofing materials.

4.3 TEMPORARY PROTECTION

A. Install temporary protection consisting of a temporary seal and water cut-offs at the end of each day's work and when work is halted for an indefinite period or work is stopped when precipitation is imminent.

B. Install temporary cap flashing over top of base flashings where permanent flashings are not in place to protect against water intrusion into roofing system. Securely anchor in place to prevent blow off and damage by construction activities.

C. Temporarily seal exposed insulation surfaces within roofing membrane.

1. Apply temporary seal and water cut off by extending roofing membrane beyond insulation and securely embedding edge of the roofing membrane in 6 mm (1/4 inch) thick by 50 mm (2 inches) wide strip of temporary closure sealant. Weight roofing membrane edge with sandbags, to prevent displacement; space sandbags maximum 2400 mm

(8 feet) on center.

2. Direct water away from work. Provide drainage, preventing water accumulation.

3. Check daily to ensure temporary seal remains watertight. Reseal open areas and weight down.

D. Before the work resumes, cut off and discard portions of roof membrane in contact with temporary seal.

1. Cut minimum 150 mm (6 inches) back from sealed edges and surfaces.

E. Remove sandbags and store for reuse.

4.4 INSTALLATION, GENERAL

A. Install products according to manufacturer's instructions and approved submittal drawings.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

B. Comply with NRCA Manual installation requirements.

C. Comply with UL 580 for uplift resistance.

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D. Do not allow membrane and flashing to contact surfaces contaminated with asphalt, coal tar, oil, grease, or other substances incompatible with EPDM.

4.5 ROOFING INSTALLATION

A. Install membrane perpendicular to long dimension of insulation boards.

B. Begin membrane installation at roof low point and work towards high point. Lap membrane shingled in water flow direction.

C. Position membrane free of buckles and wrinkles.

D. Roll membrane out; inspect for defects as membrane is unrolled. Remove defective areas:

1. Allow 30 minutes for membrane to relax before proceeding.

2. Lap edges and ends minimum 75 mm (3 inches). Clean lap surfaces.

3. Install seam adhesive or tape, unless furnished with factory applied adhesive strips. Apply pressure to develop full adhesion.

4. Check seams to ensure continuous adhesion and correct defects.

5. Finish seam edges with beveled bead of lap sealant.

6. Finish seams same day as membrane is installed.

7. Anchor membrane perimeter to roof deck and parapet wall as indicated on drawings.

E. Membrane Perimeter Anchorage:

1. Install batten with fasteners at perimeter of each roof area, curb flashing, expansion joints and similar penetrations on top of roof membrane as indicated on drawings.

2. Mechanical Fastening:

a. Space fasteners maximum 300 mm (12 inches) on center, starting

25 mm (1 inch) from ends.

b. When battens are cut, round edge and corners before installing.

c. Set fasteners in lap sealant and cover fastener head with fastener sealer, including batten.

d. Stop batten where batten interferes with drainage. Space ends of batten 150 mm (6 inch) apart.

e. Cover batten with 225 mm (9 inch) wide strip of flashing sheet.

Seal laps with lap seam adhesive and finish edges with lap sealant.

f. At gravel stops fascia-cants turn roofing membrane down over front edge of blocking, cant, or nailer. Secure roofing membrane

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150 mm (6 inches) on centers.

g. At parapet walls intersecting building walls and curbs, secure roofing membrane to structural deck with fasteners 150 mm

(6 inches) on center or as shown in NRCA Manual.

F. Adhered System Installation:

1. Apply bonding adhesive in quantities required by roofing membrane manufacturer.

2. Fold sheet back on itself, clean and coat the bottom side of the membrane and the top of substrate with adhesive. Do not coat the lap joint area.

3. After adhesive has set according to adhesive manufacturer's instructions, roll roofing membrane into adhesive minimizing voids and wrinkles.

4. Repeat for other half of sheet.

5. Cut voids and wrinkles to lay flat. Clean and patch cut area.

G. Mechanical Fastened System Installation:

1. Secure roofing membrane to structural deck with fasteners through battens to achieve specified wind uplift performance.

a. Drill pilot holes for fasteners installed into cast-in-place concrete. Drill hole minimum 10 mm (3/8 inch) deeper than fastener penetration.

2. When fasteners are installed within membrane laps, locate battens minimum 13 mm (1/2 inch) from edge of sheets.

3. Apply lap sealant under battens and anchor to deck while lap sealant is still fluid. Cover fastener head with fastener sealer.

4. Where fasteners are installed over roofing membrane after seams are welded, cover fasteners with minimum 200 mm (8 inch) diameter EPDM membrane cap centered over fasteners. Where battens are used cover battens with minimum 200 mm (8 inch) wide EPDM strip cap centered over batten. Splice caps to roofing membrane and finish edges with lap sealant.

H. Loosely Laid and Ballasted System Installation:

1. Loosely lay roofing membrane.

2. Adhere membrane to comply with ANSI/SPRI RP-4 requirements.

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4.6 FLASHING INSTALLATION

A. Install flashings on same day as roofing membrane is installed. When flashing cannot be completely installed in one day, complete installation until flashing is watertight and provide temporary covers or seals.

B. Installing Base Flashing and Pipe Flashing:

1. Install flashing sheet to pipes, walls and curbs to minimum 200 mm (8 inches) height above roof surfaces and extend roofing manufacturer's standard lap dimension onto roofing membranes.

a. Adhere flashing with bonding adhesive.

b. Form inside and outside corners of flashing sheet according to

NRCA Manual. Form pipe flashing according to NRCA Manual.

c. Lap ends roofing manufacturer's standard dimension.

d. Adhesively splice flashing sheets together, and adhesively splice flashing sheets to roofing membranes. Finish exposed edges with lap sealant.

2. Anchor top of flashing to walls and curbs with fasteners spaced maximum 150 mm (6 inches) on center. Use surface mounted fastening strip with sealant on ducts. Use pipe clamps on pipes or other round penetrations.

3. Apply sealant to top edge of flashing.

4. standard dimension. Finish edges of laps with lap sealant.

C. Repairs to Membrane and Flashings:

1. Remove sections of roofing membrane or flashing sheet that are creased, wrinkled, or fishmouthed.

2. Cover removed areas, cuts and damaged areas with patch extending

100 mm (4 inches) beyond damaged, cut, or removed area. Adhesively splice patch to roofing membrane or flashing sheet. Finish edge of lap with lap sealant.

4.7 CLEANING

A. Remove excess adhesive before adhesive sets.

B. Clean exposed roofing surfaces. Remove contaminants and stains.

4.8 PROTECTION

A. Protect roofing system from traffic and construction operations.

1. Protect roofing system when used for subsequent work platform, materials storage, or staging.

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