Attachment 3 - SPECS VOL 2 687-23-101 Exterior Repairs 01.26.2026.pdf

Repair Exterior Features – Walla Walla, WA

Envelope Maintenance and Repair

Contract No. 36C26018D0049

VA 687-23-101

100% Technical Specifications - Volume #02

Divisions 5 thru 32

January 26th, 2026

Jonathan M Wainwright Memorial VAMC (WWVA) Walla Walla

77 Wainwright Drive

Walla Walla, WA, 99362

For

US Department of Veterans Affairs

V4CONT

1601 E. Fourth Plain Blvd

Bldg. 17, Suite B428

Vancouver WA 98661

GDM

2600 The American Road

Rio Rancho, NM, 87124

575-429-2317

WWVA 100% CONSTRUCTION DOCUMENTS

Walla Walla, WA 01/26/2026

Repair Exterior Features

Envelope Maintenance & Repair –

Walla Walla, WA

VA Project No. 687-20-101

00 01 15 - 1 of 5

TABLE OF CONTENTS

Section 00 01 10

SECTION NO DIVISION AND SECTION TITLES

# of pages

DIVISION 00 - SPECIAL SECTIONS

00 01 10 Table of Contents 4

00 01 15 General Requirements 22

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00.11 Station Rules 4

00 01 15 List of Drawing sheets 4

01 32 16.15 Project Schedule 12

01 33 23 Shop Drawings, Product Data, and Samples 8

01 35 26 Safety Requirements 41

01 42 19 Reference Standards 8

01 45 00 Quality Control 14

01 45 29 Testing Laboratory Services

01 57 19 Temporary Environmental Controls 10

01 58 16 Temporary Interior Signage 2

01 74 19 Construction Waste Management 7

01 78 00 Closeout Submittals 13

01 78 23 Operation and Maintenance Data 14

01 78 24.10 Facility Data 10

01 78 24.20 Facility Data Workbook 4

01 81 13 Sustainable Construction Requirements 12

DIVISION 02 – EXISTING CONDITIONS

02 41 00 Demolition 4

02 82 11 Traditional Asbestos Abatement 74

02 82 13.13 Glove bag Asbestos Abatement 70

02 83 33.13 Lead-Based Paint Removal and Disposal 14

DIVISION 03 – CONCRETE

03 30 53 Cast-in-Place Concrete 13

DIVISION 04 – MASONRY

04 01 00 Maintenance of Masonry 5

04 05 13 Masonry Mortaring 6

04 05 16 Masonry Grouting 5

04 05 31 Masonry Tuck Pointing 4

04 20 00 Unit Masonry 38

DIVISION 05 – METALS

DIVISION 06 – WOOD, PLASTICS AND COMPOSITES

00 01 15 - 2 of 5 pages

06 10 00 Rough Carpentry 19

06 16 63 Cementitious Sheathing 4

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 01 50.19 Preparation for Re-Roofing 9

07 24 00 Exterior Finish System 6

07 27 26 Fluid applied Air Barriers, Vapor Permeable 10

07 31 13 Asphalt Shingles 6

07 31 26 Slate Shingles 7

07 31 29.13 Synthetic Cedar Shakes 8

07 40 00 Siding Panels 8

07 54 23 Thermoplastic Polyolefin 15

07 60 00 Flashing & Sheet Metal 28

07 71 00 Roof Specialties 6

07 92 00 Joint Sealants 13

DIVISION 08 - OPENINGS

08 11 13 Hollow Metal Doors and Frames 10

08 51 13 Aluminum Extrusions for Windows

08 51 69.11 Aluminum Storm Windows 5

08 52 00 Aluminum Clad Wood Windows 11

08 71 00 Door Hardware 17

08 80 00 Glazing 16

08 90 00 Louvers and Vents 8

DIVISION 09 – FINISHES

09 91 00 Painting

DIVISION 10 – SPECIALTIES

NOT USED

DIVISION 11 – EQUIPMENT

DIVISION 12 – FURNISHINGS

DIVISION 13 - SPECIAL CONSTRUCTION

DIVISION 14– CONVEYING EQUIPEMENT

00 01 15 - 3 of 5 pages

DIVISION 21- FIRE SUPPRESSION

DIVISION 22 – PLUMBING

DIVISION 23 – HEATING, VENTILATING, AND AIR

CONDITIONING (HVAC)

23 05 11 Common Work Results for HVAC 34

23 07 11 HVAC and Boiler Plant Insulation 10

23 81 00 Decentralized Unitary HVAC Equipment 6

23 81 45 Variable Refrigerant Flow Systems 8

23 23 00 Refrigerant Piping 8

DIVISION 25 – INTEGRATED AUTOMATION

DIVISION 26 – ELECTRICAL

26 05 11 Requirements for Electrical Installations

26 05 19 Low-Voltage Electrical Power Conductors and Cables

26 05 33 Grounding and Bonding for Electrical Systems

26 24 16 Raceways and Box for Electrical Systems

26 24 16 Panelboards

26 29 21 Enclosed Switches and Circuit Breakers

DIVISION 27 – COMMUNICATIONS

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

DIVISION 31 – EARTHWORK

31 20 11 Earthwork 19

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 84 00 Planting Irrigation 11

00 01 15 - 4 of 5

32 90 00 Planting 26

DIVISION 33 – UTILITIES

DIVISION 34 – TRANSPORTATION

DIVISION 48 – Electrical Power Generation

00 01 15 - 5 of 5

00 01 15 - 1 of 4

LIST OF DRAWING SHEETS

SECTION 00 01 15

The drawings listed below accompanying this specification form a part of the contract.

Drawing No. Title

G-001 COVER SHEET

G-002 PROJECT INDEX

G-010 CAMPUS MAP

G-012 GENERAL INFORMATION

G-500 WINDOWS, DOORS & FRAME TYPES

G-501 ASPHALT ROOF DETAILS

G-502 DETAILS

G-503 DETAILS

G-504 DETAILS

000-EG-001 LEGEND, ABBREVIATIONS AND GENERAL NOTES

MH-001 LEGEND, ABBREVIATIONS AND GENERAL NOTES

MH-002 SITE PLAN

MH-003 SCHEDULES

MH-005 DETAILS

031-A-100 FLOOR PLAN BUILDING 031

031-A-200 PHOTO ELEVATIONS

031-A-500 DETAILS BUILDING 031

041-A-100 FLOOR PLANS BUILIDNG 041

041-A-200 PHOTO ELEVATIONS BUILDING 041

041-A-500 DETAILS BUILIDNG 041

047-A-100 FLOOR PLANS BUILDING 047

047-A-200 PHOTO ELEVATIONS BUILIDNG 047

047-A-500 DETAILS BUILIDNG 047

048-A-100 FLOOR PLAN BUILIDNG 048

048-A-200 PHOTO ELEVATIONS BUILDING 048

048-A-501 DETAILS

048-S-100 STRUCTURAL FLOOR PLAN BUILDING 048

049-A-100 FLOOR PLAN BUILDING 049

00 01 15 - 2 of 4

049-A-200 PHOTO ELEVATIONS BUILDING 49

049-A-500 DETAILS BUILDING 049

049-A-501 DETAILS BUILDING 049

049-S-100 STRUCTURAL FLOOR PLAN BUILDING 049

063-A-100 FLOOR PLAN BUILDING 063

063-A-200 ELEVATIONS BUILDING 063

063-A-201 PHOTO ELEVATIONS BUILDING 063

063-A-500 DETAILS BUILIDNG 063

065-A-100 FLOOR PLAN BUILDING 065

065-A-101 FLOOR PLAN BUILIDNG 065

065-A-102 ROOF PLAN BUILDING 065

065-A-200 ELEVATIONS BUILIDNG 065

065-A-500 DETAILS BUILIDING 065

065-A-501 DETAILS BUILIDING 065

066-A-100 FLOOR PLAN BUILDING 066

066-A-101 FLOOR PLAN BUILDING 066

066-A-200 ELEVATIONS BUILDING 066

066-A-201 ELEVATIONS BUILDING 066

066-A-500 DETAILS BUILDING 066

076-A-100 FLOOR PLAN BUILDING 076

076-A-500 DETIALS BUILDING 076

081-A-100 FLOOR PLAN BUILDING 081

081-A-101 ROOF PLAN BUILDING 081

081-A-200 ELEVATIONS BUILDING 081

081-A-201 PHOTO ELEVATIONS BUILDING 081

082-A-101 FLOOR PLAN BUILDING 082

082-A-102 FLOOR PLAN BUILDING 082

082-A-103 ROOF PLAN BUILDING 082

082-A-200 ELEVATIONS BUILDING 082

082-A-201 ELEVATIONS BUILDING 082

082-A-202 PHOTO ELEATIONS BUILDING 082

082-A-500 DETAILS BUILDING 082

082-EP-011 ROOF PLAN BUILDING 82

082-MD-101 BUILDING 82 SECOND FLOOR MECHANICAL DEMO.PLAN

00 01 15 - 3 of 4

082-MH-101 BUILDING 82 SECOND FLOOR MECHANICAL PLAN

099-A-100 FLOOR PLAN BUILDING 099

099-A-500 DETAILS BUILDING 099

099-SD-100 STRUCTURAL FLOOR PLAN BUILDING 099

099-EP-011 FLOOR PLAN BUILDING 099

099-MH-101 BUILDING 99 FIRST FLOOR HVAC PLANS

101-A-100 FLOOR PLAN BUILDING 101

101-A-101 ROOF PLAN BUILDING 101

105-A-100 FLOOR PLAN BUILDING 105

107-A-100 FLOOR PLAN BUILDING 107

107-A-101 PHOTO ELEVATIONS BUILIDNG 107

107-A-500 DETAILS

109-A-100 FLOOR PLAN BUILDING 109

109-A-500 DETAILS

110-A-100 FLOOR PLAN BUILDING 110

110-A-500 DETIALS

112-A—100 FLOOR PLAN BUILDING 112

112-A-500 DETAILS

113-A-100 FLOOR PLAN BUILDING 113

113-A-500 DETAILS

120-A-100 FLOOR PLAN BUILDING 120

120-A-101 ROOF PLAN BUILDING 120

135-A-100 FLOOR PLAN BUILDING 135

135-A-200 NEW ELEVATIONS BUILDING 135

135-A-201 PHOTO ELEVATIONS BUILDING 135

135-A-500 DETAILS

135-EP-011 FLOOR PLAN BUILDING 135

135-MH-101 BUILDING 135 FIRST FLOOR HVAC PLAN

CHILDRENS MUSEUM -A-100 ROOF PLAN

CHILDRENS MUSEUM -A-500 ROOF REPLACEMENT

T1—T2-A-100 FLOOR PLAN BUIILDIGN T1&T2

T1-T2-A-101 ROOF PLAN BUILIDNG T1&T2

T1-T2-A-200 ELEVATIONS BUILIDNG T1&T2

T1-T2-A-201 ELEVATION BUILDING T1&T2

00 01 15 - 4 of 4

T1-T2-A-202 PHOTO ELEATION BUILDING T1&T2

T1-T2-A-500 BUILDING T1&T2

T2-A-500 DETAILS

T1-T2-S-100 STRUCTURAL FLOOR PLAN BUILDING T1&T2

T1-EP-011 FLOOR PLAN BUILDING T1&T2

0T1-MD-101 BUILDING T1 MECHANICAL DEMOLITION PLANS

0T1-MH-101 BUILDING T1 MECHANICAL PLANS

0T2-MD-101 BUILDING T2 MECHANICAL DEMOLITION PLANS

0T2-MH-101 BUILDING T-2 MECHANICAL PLANS

T7-A-100 FLOOR PLAN BUILDING T7

T7-A-101 ROOF PLAN BUILDING T7

T7-A-102 ELEVATIONS BUILDING T7

T7-A-103 ELEVATIONS BUILDING T7

T7-A-500 DETAILS

T7-EP-011 FLOOR PLAN BUILDING T70

0T7-MD-101 BUILDING T7 MECHANICAL DEMOLITION PLANS

0T7-MH-101 BUILDING T7 MECHANICAL PLANS

- - - END - - -

Repair Exterior Features 06 10 00 - 1 of 13

Envelope Maintenance & Repair - ROUGH CARPENTRY

Walla Walla, WA

VA Project No. 687-20-101

SECTION 06 10 00

ROUGH CARPENTRY

PART 1 - GENERAL

1.1 DESCRIPTION:

A. This section specifies wood blocking, framing, sheathing, furring, nailers, sub-flooring, rough hardware, and light wood construction.

1.2 RELATED WORK:

A. Sustainable design requirements: Section 01 81 13, SUSTAINABLE

CONSTRUCTION REQUIREMENTS.

B. Cement board sheathing: Section 06 16 63, CEMENTITIOUS SHEATHING.

1.3 SUBMITTALS:

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES.

B. Sustainable Design Submittals, as described below:

1. Postconsumer and preconsumer recycled content as specified in

PART 2 - PRODUCTS.

2. For composite wood products, submit documentation indicating that product contains no added urea formaldehyde.

C. Shop Drawings showing framing connection details, fasteners, connections and dimensions.

D. Manufacturer’s Literature and Data:

1. Submit data for lumber, panels, hardware and adhesives.

2. Submit data for wood-preservative treatment from chemical treatment manufacturer and certification from treating plants that treated materials comply with requirements. Indicate type of preservative used and net amount of preservative retained.

3. Submit data for fire retardant treatment from chemical treatment manufacturer and certification by treating plant that treated materials comply with requirements. Include physical properties of treated materials based on testing by a qualified independent testing agency.

4. For products receiving a waterborne treatment, submit statement that moisture content of treated materials was reduced to levels specified before shipment to project site.

E. Manufacturer’s certificate for unmarked lumber.

Repair Exterior Features 06 10 00 - 2 of 13

Walla Walla, WA

VA Project No. 687-20-101

1.4 PRODUCT DELIVERY, STORAGE AND HANDLING:

A. Protect lumber and other products from dampness both during and after delivery at site.

B. Pile lumber in stacks in such manner as to provide air circulation around surfaces of each piece.

C. Stack plywood and other board products so as to prevent warping.

D. Locate stacks on well drained areas, supported at least 152 mm

(6 inches) above grade and cover with well-ventilated sheds having firmly constructed over hanging roof with sufficient end wall to protect lumber from driving rain.

1.5 QUALITY ASSURANCE:

A. Installer: A firm with a minimum of three (3) years’ experience in the type of work required by this section.

1.6 GRADING AND MARKINGS:

A. Any unmarked lumber or plywood panel for its grade and species will not be allowed on VA Construction sites for lumber and material not normally grade marked, provide manufacturer’s certificates (approved by an American Lumber Standards approved agency) attesting that lumber and material meet the specified the specified requirements.

1.7 APPLICABLE PUBLICATIONS:

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in the text by basic designation only.

B. American Forest and Paper Association (AFPA):

NDS-15..................National Design Specification for Wood

Construction

WCD1-01.................Details for Conventional Wood Frame

Construction

C. American Institute of Timber Construction (AITC):

A190.1-07...............Structural Glued Laminated Timber

D. American Society of Mechanical Engineers (ASME):

B18.2.1-12(R2013).......Square and Hex Bolts and Screws

B18.2.2-10..............Square and Hex Nuts

B18.6.1-81(R2008).......Wood Screws

E. American Plywood Association (APA):

E30-11..................Engineered Wood Construction Guide

F. ASTM International (ASTM):

Repair Exterior Features 06 10 00 - 3 of 13

Walla Walla, WA

VA Project No. 687-20-101

A653/A653M-13...........Steel Sheet Zinc-Coated (Galvanized) or Zinc-

Iron Alloy Coated (Galvannealed) by the Hot Dip

Process

C954-11.................Steel Drill Screws for the Application of

Gypsum Board or Metal Plaster Bases to Steel

Studs from 0.033 inch (2.24 mm) to 0.112-inch

(2.84 mm) in thickness

C1002-14................Steel Self-Piercing Tapping Screws for the

Application of Gypsum Panel Products or Metal

Plaster Bases to Wood Studs or Metal Studs

D198-14.................Test Methods of Static Tests of Lumber in

Structural Sizes

D2344/D2344M-13.........Test Method for Short-Beam Strength of Polymer

Matrix Composite Materials and Their Laminates

D2559-12a...............Adhesives for Structural Laminated Wood

Products for Use Under Exterior (Wet Use)

Exposure Conditions

D3498-03(R2011).........Adhesives for Field-Gluing Plywood to Lumber

Framing for Floor Systems

D6108-13................Test Method for Compressive Properties of

Plastic Lumber and Shapes

D6109-13................Test Methods for Flexural Properties of

Unreinforced and Reinforced Plastic Lumber and

Related Products

D6111-13a...............Test Method for Bulk Density and Specific

Gravity of Plastic Lumber and Shapes by

Displacement

D6112-13................Test Methods for Compressive and Flexural Creep and Creep-Rupture of Plastic Lumber and Shapes

F844-07a(R2013).........Washers, Steel, Plan (Flat) Unhardened for

General Use

F1667-13................Nails, Spikes, and Staples

G. American Wood Protection Association (AWPA):

AWPA Book of Standards

H. Commercial Item Description (CID):

A-A-55615...............Shield, Expansion (Wood Screw and Lag Bolt Self

Threading Anchors)

Repair Exterior Features 06 10 00 - 4 of 13

Walla Walla, WA

VA Project No. 687-20-101

I. Forest Stewardship Council (FSC):

FSC-STD-01-001(Ver. 4-0)FSC Principles and Criteria for Forest

Stewardship

J. Military Specification (Mil. Spec.):

MIL-L-19140E............Lumber and Plywood, Fire-Retardant Treated

K. Environmental Protection Agency (EPA):

40 CFR 59(2014).........National Volatile Organic Compound Emission

Standards for Consumer and Commercial Products

L. Truss Plate Institute (TPI):

TPI-85..................Metal Plate Connected Wood Trusses

M. U.S. Department of Commerce Product Standard (PS)

PS 1-95.................Construction and Industrial Plywood

PS 20-10................American Softwood Lumber Standard

N. ICC Evaluation Service (ICC ES):

AC09....................Quality Control of Wood Shakes and Shingles

AC174...................Deck Board Span Ratings and Guardrail Systems

(Guards and Handrails)

PART 2 - PRODUCTS

2.1 LUMBER:

A. Unless otherwise specified, each piece of lumber must bear grade mark, stamp, or other identifying marks indicating grades of material, and rules or standards under which produced.

1. Identifying marks are to be in accordance with rule or standard under which material is produced, including requirements for qualifications and authority of the inspection organization, usage of authorized identification, and information included in the identification.

2. Inspection agency for lumber approved by the Board of Review, American Lumber Standards Committee, to grade species used.

B. Structural Members: Species and grade as listed in the AFPA NDS having design stresses as shown.

C. Lumber Other Than Structural:

1. Unless otherwise specified, species graded under the grading rules of an inspection agency approved by Board of Review, American Lumber

Standards Committee.

2. Framing lumber: Minimum extreme fiber stress in bending of 7584 kPa

(1100 PSI).

Repair Exterior Features 06 10 00 - 5 of 13

Walla Walla, WA

VA Project No. 687-20-101

3. Furring, blocking, nailers and similar items 101 mm (4 inches) and narrower Standard Grade; and, members 152 mm (6 inches) and wider, Number 2 Grade.

D. Sizes:

1. Conforming to PS 20.

2. Size references are nominal sizes, unless otherwise specified, actual sizes within manufacturing tolerances allowed by standard under which produced.

E. Moisture Content:

1. Maximum moisture content of wood products is to be as follows at the time of delivery to site.

a. Boards and lumber 50 mm (2 inches) and less in thickness: 19 percent or less.

b. Lumber over 50 mm (2 inches) thick: 25 percent or less.

F. Fire Retardant Treatment:

1. Comply with Mil Spec. MIL-L-19140.

2. Treatment and performance inspection, by an independent and qualified testing agency that establishes performance ratings.

G. Preservative Treatment:

1. Do not treat Heart Redwood and Western Red Cedar.

2. Treat wood members and plywood exposed to weather or in contact with plaster, masonry or concrete, including framing of open roofed structures; sills, sole plates, furring, and sleepers that are less than 610 mm (24 inches) from ground; nailers, edge strips, blocking, crickets, curbs, cant, vent strips and other members provided in connection with roofing and flashing materials.

3. Treat other members specified as preservative treated (PT).

4. Preservative treat by the pressure method complying with AWPA Book use category system standards U1 and T1, except any process involving the use of Chromated Copper Arsenate (CCA) or other agents classified as carcinogenic for pressure treating wood is not permitted.

2.3 PLYWOOD:

A. Comply with PS 1.

B. Bear the mark of a recognized association or independent inspection agency that maintains continuing control over quality of plywood which

Repair Exterior Features 06 10 00 - 6 of 13

Walla Walla, WA

VA Project No. 687-20-101 identifies compliance by veneer grade, group number, span rating where applicable, and glue type.

C. Sheathing:

1. APA rated Exposure 1 or Exterior; panel grade CD or better.

2. Roof sheathing:

a. Minimum 9 mm (11/32 inch) thick with span rating 24/0 or 12 mm

(15/32 inch) thick with span rating for supports 406 mm

(16 inches) on center unless specified otherwise.

b. Minimum 15 mm (19/32 inch) thick or span rating of 40/20 or 18 mm

(23/32 inch) thick or span rating of 48/24 for supports 610 mm

(24 inches) on center.

D. Underlayment:

1. APA rated Exposure 1 or Exterior, panel grade C-C Plugged.

2. Minimum 6 mm (1/4 inch) thick or greater over plywood subflooring // and 9 mm (3/8 inch) thick or greater over board subflooring, // unless otherwise shown.

2.4 STRUCTURAL-USE PANELS:

A. Comply with APA E30.

B. Bearing the mark of a recognized association or independent agency that maintains continuing control over quality of panel which identifies compliance by end use, Span Rating, and exposure durability classification.

C. Wall and Roof Sheathing:

1. APA Rated sheathing panels, durability classification of Exposure 1 or Exterior Span Rating of 16/0 or greater for supports 406 mm

(16 inches) on center and 24/0 or greater for supports 610 mm

(24 inches) on center.

E. Underlayment:

1. APA rated Exposure l.

2. Minimum 6 mm (1/4 inch) thick or greater over subfloor.

2.5 ROUGH HARDWARE AND ADHESIVES:

A. Anchor Bolts:

1. ASME B18.2.1 and ASME B18.2.2 galvanized, 13 mm (1/2 inch) unless shown otherwise.

2. Extend at least 203 mm (8 inches) into masonry or concrete with ends bent 50 mm (2 inches).

Repair Exterior Features 06 10 00 - 7 of 13

Walla Walla, WA

VA Project No. 687-20-101

B. Miscellaneous Bolts: Expansion Bolts: C1D A-A-55615; lag bolt, long enough to extend at least 65 mm (2-1/2 inches) into masonry or concrete. Provide 13 mm (1/2 inch) bolt unless shown otherwise.

C. Washers

1. ASTM F844.

2. Provide zinc or cadmium coated steel or cast iron for washers exposed to weather.

D. Screws:

1. Wood to Wood: ASME B18.6.1 or ASTM C1002.

2. Wood to Steel: ASTM C954, or ASTM C1002.

E. Nails:

1. Size and type best suited for purpose unless noted otherwise.

Provide aluminum-alloy nails, plated nails, or zinc-coated nails, for nailing wood work exposed to weather and on roof blocking.

2. ASTM F1667:

a. Common: Type I, Style 10.

b. Concrete: Type I, Style 11.

c. Barbed: Type I, Style 26.

d. Underlayment: Type I, Style 25.

e. Masonry: Type I, Style 27.

f. Provide special nails designed for use with ties, strap anchors, framing connectors, joists hangers, and similar items. Nails not less than 32 mm (1-1/4 inches) long, 8d and deformed or annular ring shank.

F. Framing and Timber Connectors:

1. Fabricate of ASTM A653/A653M, Grade A; steel sheet not less than

1.3 mm (0.052 inch) thick unless specified otherwise. Apply standard plating to steel timber connectors after punching, forming and assembly of parts.

2. Framing Angles: Angle designed with bendable legs to provide three (3) way anchors.

3. Straps:

a. Designed to provide wind and seismic ties with sizes as shown or specified.

b. Strap ties not less than 32 mm (1-1/4 inches) wide.

c. Punched for fastener.

5. Joist Hangers:

Repair Exterior Features 06 10 00 - 8 of 13

Walla Walla, WA

VA Project No. 687-20-101

a. Fabricated of 1.6 mm (0.063 inch) minimum thick sheet, U design unless shown otherwise.

b. Heavy duty hangers fabricated of minimum 2.7 mm (0.108 inch) thick sheet, U design with bent top flange to lap over beam.

6. Timber Connectors: Fabricated of steel to shapes indicated on contract drawings.

7. Joist Ties: Mild steel flats, 5 mm by 32 mm

(3/16 inch by 1-1/4 inch) size with ends bent about 30 degrees from horizontal, and extending at least 406 mm (16 inches) onto framing.

Punch each end for three (3) spikes.

8. Wall Anchors for Joists and Rafters:

a. Mild steel strap, 5 mm by 32 mm (3/16 inch by 1-1/4 inch) with wall ends bent 50 mm (2 inches), or provide 9 mm by 130 mm

(3/8 inch by 5 inch) pin through strap end built into masonry.

b. Strap long enough to extend onto three joists or rafters, and punched for spiking at each bearing.

c. Strap not less than 101 mm (4 inches) embedded end.

9. Joint Plates:

a. Steel plate punched for nails.

b. Steel plates formed with teeth or prongs for mechanically clamping plates to wood.

c. Size for axial eccentricity, and fastener loads.

PART 3 - EXECUTION

3.1 INSTALLATION OF FRAMING AND MISCELLANEOUS WOOD MEMBERS:

A. Conform to applicable requirements of the following:

1. AFPA NDS for timber connectors.

2. AITC A190.1 Timber Construction Manual for heavy timber construction.

3. AFPA WCD1 for nailing and framing unless specified otherwise.

4. APA for installation of plywood or structural use panels.

5. TPI for metal plate connected wood trusses.

B. Fasteners:

1. Nails.

a. Nail in accordance with the Recommended Nailing Schedule as specified in AFPA WCD1 where detailed nailing requirements are not specified in nailing schedule. Select nail size and nail

Repair Exterior Features 06 10 00 - 9 of 13

Walla Walla, WA

VA Project No. 687-20-101 spacing sufficient to develop adequate strength for the connection without splitting the members.

b. Use special nails with framing connectors.

c. For sheathing and subflooring, select length of nails sufficient to extend 25 mm (1 inch) into supports.

d. Use 8d or larger nails for nailing through 25 mm (1 inch) thick lumber and for toe nailing 50 mm (2 inch) thick lumber.

e. Use 16d or larger nails for nailing through 50 mm (2 inch) thick lumber.

f. Select the size and number of nails in accordance with the

Nailing Schedule except for special nails with framing anchors.

g. Nailing Schedule; Using Common Nails:

1) Joist bearing on sill or girder, toe nail three (3) 8d nails or framing anchor.

2) Bridging to joist, toe nail each end two (2) 8d nails.

3) Ledger strip to beam or girder three (3) 16d nails under each joint.

4) Subflooring or Sheathing:

a) 152 mm (6 inch) wide or less to each joist face nail two (2) 8d nails.

b) Subflooring, more than 152 mm (6 inches) wide, to each stud or joint, face nail three (3) 8d nails.

c) Plywood or structural use panel to each stud or joist face nail 8d, at supported edges 152 mm (6 inches) on center and at intermediate supports 254 mm (10 inches) on center. When gluing plywood to joint framing increase nail spacing to

305 mm (12 inches) at supported edges and 508 mm

(20 inches) o.c. at intermediate supports.

5) Sole plate to joist or blocking, through sub floor face nail

20d nails, 406 mm (16 inches) on center.

6) Top plate to stud, end nail two (2) 16d nails.

7) Stud to sole plate, toe nail or framing anchor. Four (4) 8d nails.

8) Doubled studs, face nail 16d at 610 mm (24 inches) on center.

9) Built-up corner studs 16d at 610 mm (24 inches) (24 inches) on center.

Repair Exterior Features 06 10 00 - 10 of 13

Walla Walla, WA

VA Project No. 687-20-101

10) Doubled top plates, face nails 16d at 406 mm (16 inches) on center.

11) Top plates, laps, and intersections, face nail two (2) 16d.

12) Continuous header, two pieces 16d at 406 mm (16 inches) on center along each edge.

13) Ceiling joists to plate, toenail three (3) 8d or framing anchor.

14) Continuous header to stud, four (4) 16d.

15) Ceiling joists, laps over partitions, face nail three (3) 16d or framing anchor.

16) Ceiling joists, to parallel rafters, face nail three (3) 16d.

17) Rafter to plate, toe nail three (3) 8d or framing anchor.

Brace 25 mm (1 inch) thick board to each stud and plate, face nail three (3) 8d.

18) Built-up girders and beams 20d at 812 mm (32 inches) on center along each edge.

2. Bolts:

a. Fit bolt heads and nuts bearing on wood with washers.

b. Countersink bolt heads flush with the surface of nailers.

c. Embed in concrete and solid masonry or provide expansion bolts.

Special bolts or screws designed for anchor to solid masonry or concrete in drilled holes may be used.

d. Provide toggle bolts to hollow masonry or sheet metal.

e. Provide bolts to steel over 2.84 mm (0.112 inch, 11 gage) in thickness. Secure wood nailers to vertical structural steel members with bolts, placed one at ends of nailer and 610 mm

(24 inch) intervals between end bolts. Provide clips to beam flanges.

3. Drill Screws to steel less than 2.84 mm (0.112 inch) thick.

a. ASTM C1002 for steel less than 0.84 mm (0.033 inch) thick.

b. ASTM C954 for steel over 0.84 mm (0.033 inch) thick.

4. Power actuated drive pins may be provided where practical to anchor to solid masonry, concrete, or steel.

5. Do not anchor to wood plugs or nailing blocks in masonry or concrete. Provide metal plugs, inserts or similar fastening.

6. Screws to Join Wood:

a. Where shown or option to nails.

Repair Exterior Features 06 10 00 - 11 of 13

Walla Walla, WA

VA Project No. 687-20-101

b. ASTM C1002, sized to provide not less than 25 mm (1 inch) penetration into anchorage member.

c. Spaced same as nails.

7. Installation of Timber Connectors:

a. Conform to applicable requirements of the AFPA NDS.

b. Fit wood to connectors and drill holes for fasteners so wood is not split.

C. Set sills or plates level in full bed of mortar on masonry or concrete walls.

1. Space anchor bolts 1219 mm (4 feet) on centers between ends and within 152 mm (6 inches) of end. Stagger bolts from side to side on plates over 178 mm (7 inches) in width.

2. Provide shims of slate, tile or similar approved material to level wood members resting on concrete or masonry. Do not use wood shims or wedges.

3. Closely fit, and set to required lines.

D. Cut notch, or bore in accordance with AFPA WCD1 passage of ducts wires, bolts, pipes, conduits and to accommodate other work. Repair or replace miscut, misfit or damaged work.

E. Blocking Nailers, and Furring:

1. Install furring, blocking, nailers, and grounds where shown.

2. Provide longest lengths practicable.

3. Provide fire retardant treated wood blocking where shown at openings and where shown or specified.

4. Layers of Blocking or Plates:

a. Stagger end joints between upper and lower pieces.

b. Nail at ends and not over 610 mm (24 inches) between ends.

c. Stagger nails from side to side of wood member over 127 mm

(5 inches) in width.

5. Fabricate roof edge vent strips with 6 mm by 6 mm (1/4 inch by

1/4 inch) notches, 101 mm (4 inches) on center, aligned to allow for venting of insulating concrete and venting base sheet.

G. Bridging:

1. Provide 25 mm by 75 mm (1 inch by 3 inch) lumber with ends beveled for slope.

Repair Exterior Features 06 10 00 - 12 of 13

Walla Walla, WA

VA Project No. 687-20-101

2. Install one (1) row of bridging for joist spans over 2438 mm

(8 feet), but less than 4877 mm (16 feet) long; install two (2) rows for spans over 4877 mm (16 feet) long.

3. Install an extra row of bridging between trimmer and next two (2) joists if header is more than 610 mm (2 feet) from end of trimmer or from regular row of bridging.

4. Secure with two (2) nails at ends.

5. Leave bottom ends loose until after subflooring or roof sheathing is installed.

6. Install single row of bridging at centerline of span and two (2) rows at the third points of span unless otherwise shown.

H. Roof Framing:

1. Set rafters with crown edge up.

2. Form a true plane at tops of rafters.

3. Valley, Ridge, and Hip Members:

a. Size for depth of cut on rafters.

b. Straight and true intersections of roof planes.

c. Secure hip and valley rafters to wall plates by using framing connectors.

d. Double valley rafters longer than the available lumber, with pieces lapped not less than 1219 mm (4 feet) and spiked together.

e. Butt joint and scab hip rafters longer than the available lumber.

4. Spike to wall plate and to ceiling joists except when secured with framing connectors.

5. Frame openings in roof with headers and trimmer rafters. Double headers carrying more than one (1) rafter unless shown otherwise.

6. Install 50 mm by 101 mm (2 inch by 4 inch) strut between roof rafters and ceiling joists at 1219 mm (4 feet) on center unless shown otherwise.

K. Rough Bucks:

1. Install rough wood bucks at opening in masonry or concrete where wood frames or trim occur.

2. Brace and maintain bucks plumb and true until masonry has been built around them or concrete cast in place.

3. Cut rough bucks from 50 mm (2 inch) thick stock, of same width as partitions in which they occur and of width shown in exterior walls.

Repair Exterior Features 06 10 00 - 13 of 13

Walla Walla, WA

VA Project No. 687-20-101

4. Extend bucks full height of openings and across head of openings;

fasten securely with anchors specified.

N. Sheathing:

1. Provide plywood or structural-use panels for sheathing.

2. Lay panels with joints staggered, with edge and ends 3 mm (1/8 inch) apart and nailed over bearings as specified.

3. Set nails not less than 9 mm (3/8 inch) from edges.

4. Install 50 mm by 101 mm (2 inch by 4 inch) blocking spiked between joists, rafters and studs to support edge or end joints of panels.

5. Match and align sheathing which is an extension of work in place to existing.

- - - E N D - - -

06 16 63 - 1 of 4

CEMENTITIOUS SHEATHING

SECTION 06 16 63

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Cement board sheathing at exterior framed wall construction.

1.2 APPLICABLE PUBLICATIONS

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

B. American National Standards Institute (ANSI):

1. A118.9-10 - Cementitious Backer Units.

C. ASTM International (ASTM):

1. C954-18 - Steel Drill Screws for the Application of Gypsum Panel

Products or Metal Plaster Bases to Steel Studs from 0.033 in. (0.84

mm) to 0.112 in. (2.84 mm) in Thickness

2. C1002-18 - Steel Self-Piercing Tapping Screws for Application of

Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel

Studs.

3. C1325-14 - Non-Asbestos Fiber-Mat Reinforced Cementitious Backer

Units.

1.3 SUBMITTALS

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

B. Manufacturer's Literature and Data:

1. Description of each product.

2. Installation instructions.

3. Warranty.

C. Samples:

1. Cement Board: 200 mm by 200 mm (8 inches by 8 inches), minimum size.

2. Fasteners: One of each type used.

D. Provide Sustainable Construction Requirements-Provide in accordance with other Division 1 sections.

06 16 63 - 2 of 4

1.4 DELIVERY AND STORAGE

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

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

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

1.5 STORAGE AND HANDLING

A. Store products indoors in dry, weathertight facility.

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

1.6 WARRANTY

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

Construction."

B. Manufacturer's Warranty: Warrant sheathing against material and manufacturing defects.

1. Warranty Period: 10 years.

PART 2 - PRODUCTS

2.1 PRODUCTS - GENERAL

A. Provide each product from one manufacturer.

B. Basis of design for Building 135 LP Smart Side – Trim, Siding and soffit. Also, used on buildings T7 and 82.

C. Color of siding to be determined by VA interior designer.

2.2 SHEATHING

A. Cement Boards: Meeting ANSI A118.9 and ASTM C1325.

1. Thickness: 9 mm.

2.3 ACCESSORIES

A. Steel Drill Screws: Corrosion-resistant, self-drilling.

1. ASTM C1002, Type S for fastening to framing less than 0.8 mm

(33 mils) thick.

2. ASTM C954 for fastening to framing 0.8 mm (33 mils) thick and greater.

06 16 63 - 3 of 4

B. Joint Reinforcement: Alkali resistant tape as recommended by sheathing manufacturer.

C. Bonding Material: As recommended by sheathing manufacturer.

D. Fluid Applied Air Barrier: As specified in, VAPOR PERMEABLE Section

07 27 26, E. Vented Soffit boards and outside corner all with cedar texture for LP

Smart Siding.

F. Outside corners for GAF Weather Siding with outside corners.

PART 3 - EXECUTION

3.1 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

C. Verify framing is plumb and level and in plane.

D. Correct substrate deficiencies.

3.2 SHEATHING INSTALLATION

A. Install products according to manufacturer's instructions.

1. Secure units to framing members with screws spaced maximum 200 mm

(8 inches) o.c. and not closer than 13 mm (1/2 inch) from edge of unit.

2. Install screw heads without penetrating cement board surface.

3. Install sheathing with 6 mm (1/4 inch) gap where sheathing abuts masonry or similar materials to prevent wicking of moisture.

4. Install sheathing with 10 mm (3/8 inch) gap where non-load-bearing construction abuts structural elements or building expansion joints.

5. Horizontal Installation: Abut ends of boards over centers of studs.

Stagger end joints minimum one stud spacing for adjacent boards.

Fasten boards at perimeter and within field of board to each stud.

6. Vertical Installation: Install board vertical edges centered over studs. Abut ends and edges of each board with those of adjacent boards. Fasten boards at perimeter and with fin field of board to each stud.

06 16 63 - 4 of 4

7. Apply bonding material to imbed tape and completely fill board joints, and gaps between each panel.

3.3 PROTECTION

A. Remove loose or spalling joint finish. Patch areas missing joint finish.

B. Replace broken or damaged boards.

C. Protect boards from moisture using temporary coverings until finishes are applied.

- - E N D - -

Repair Exterior Features

Envelope Maintenance & Repair –

Walla Walla, WA

VA Project No. 687-20-101

07 01 50.19 - 1 of 7

PREPARATION FOR RE-ROOFING

SECTION 07 01 50.19

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Complete roof removal for new roof system installation.

2. Partial roof removal for new roof system installation.

3. Roofing membrane and selective roofing system component removal for new roof membrane installation.

4. Existing roofing membrane preparation for new roofing membrane system installation.

B. Existing Roofing System: PVC TPO Modified bituminous. System components include:

1. Roof insulation and drainage board .

2. Aggregate surfacing.

3. Roofing membrane.

4. Cover board.

5. Roof insulation.

6. Vapor retarder.

7. Substrate board.

1.2 RELATED WORK

A. Section 06 10 00, ROUGH CARPENTRY: Replacement Roof Deck and Parapet

Sheathing.

B. Section 07 54 23, THERMOPLASTIC POLYOLEFIN (TPO) ROOFING: New Roofing

System.

C. Section 07 60 00, FLASHING AND SHEET METAL: Sheet Metal

Counterflashing.

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 (R2016)............Standard Field Test Procedure for Determining the Withdrawal Resistance of Roofing Fasteners.

C. American Society for Nondestructive Testing (ASNT):

Repair Exterior Features

Envelope Maintenance & Repair –

Walla Walla, WA

VA Project No. 687-20-101

07 01 50.19 - 2 of 7

SNT-TC-1A (2019)........Personnel Qualification and Certification for

Nondestructive Testing.

D. ASTM International (ASTM):

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

C578-19.................Rigid, Cellular Polystyrene Thermal Insulation.

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

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

Sheathing.

C1153-10(2015)..........Location of Wet Insulation in Roofing Systems

Using Infrared Imaging.

C1278/C1278M-17.........Standard Specification Fiber-Reinforced Gypsum

Panel.

D4263-83(2018)..........Indicating Moisture in Concrete by the Plastic

Sheet Method.

E. 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 PREINSTALLATION MEETINGS

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

1. Required Participants:

a. Contracting Officer's Representative.

b. Architect

c. Inspection and Testing Agency.

d. Contractor.

e. Installer.

f. Manufacturer's field representative.

g. Other installers responsible for adjacent and intersecting work, including mechanical and electrical equipment installers.

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

a. Removal and installation schedule.

b. Removal and installation sequence.

Repair Exterior Features

Envelope Maintenance & Repair –

Walla Walla, WA

VA Project No. 687-20-101

07 01 50.19 - 3 of 7

c. Preparatory work.

d. Protection before, during, and after installation.

e. Removal and installation.

f. Temporary roofing including daily terminations.

g. Transitions and connections to other work.

h. Inspecting and testing.

i. Other items affecting successful completion.

3. 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. Show size, configuration, and installation details.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Description of temporary roof system and components.

3. List of patching materials.

4. Recover board fastening requirements.

5. Temporary roofing installation instructions and removal instructions. preparation instructions to receive new roofing.

6. Existing roofing warrantor's instructions.

D. Photographs: Document existing conditions potentially affected by roofing operations before work begins.

1.6 QUALITY ASSURANCE

A. Installer Qualifications:

1. Same installer as THERMOPLASTIC POLYOLEFIN (TPO) ROOFING Section

07 56 23.

2. Licensed to perform asbestos abatement in Project jurisdiction when removal of asbestos-containing material is required.

3. Approved by existing roofing system warrantor when work affects existing roofing system under warranty.

Repair Exterior Features

Envelope Maintenance & Repair –

Walla Walla, WA

VA Project No. 687-20-101

07 01 50.19 - 4 of 7

1.7 FIELD CONDITIONS

A. Building Occupancy: Perform work to minimize disruption to normal building operations.

1. Verify occupants are evacuated from affected building areas when working on structurally impaired roof decking above occupied areas.

2. Provide notice minimum 72 hours before beginning activities affecting normal building operations.

B. Existing Roofing Available Information:

1. The following are available for Contractor reference:

a. Roof moisture survey.

b. Test cores analysis.

c. Construction drawings and project manual.

2. Examine available information before beginning work of this section.

C. Weather Limitations: Proceed with reroofing preparation only during dry weather conditions as specified for new roofing installation in Section

7 54 23, THERMOPLASTIC POLYOLEFIN (TPO) ROOFING,

1. Remove only as much roofing in one day as can be made watertight in same day.

D. Hazardous materials are not expected in existing roofing system.

1. Known hazardous materials were removed before start of work.

2. Do not disturb suspected hazardous materials. When discovered, notify Contracting Officer's Representative.

3. Hazardous materials discovered during execution of the work will be removed by Government as work of a separate contract.

1.8 WARRANTY

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

Construction."

PART 2 - PRODUCTS

2.1 MATERIALS

A. Patching Materials: Match existing roofing system materials.

B. Plywood Sheathing: See Section 06 10 00, ROUGH CARPENTRY.

C. Metal Flashing: See Section 07 60 00, FLASHING AND SHEET METAL.

D. Temporary Protection Materials:

1. Expanded Polystyrene (EPS) Insulation: ASTM C578-19.

2. Plywood: NIST DOC PS 1-19, Grade CD Exposure 1-18.

Repair Exterior Features

Envelope Maintenance & Repair –

Walla Walla, WA

VA Project No. 687-20-101

07 01 50.19 - 5 of 7

3. Oriented Strand Board (OSB): NIST DOC PS 2-18, Exposure 1.

E. Temporary Roofing System Materials: Contractor's option.

PART 3 - EXECUTION

3.1 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing roofing system indicated to remain.

1. Cover roof membrane with temporary protection materials without impeding drainage.

2. Limit traffic and material storage to protected areas.

3. Maintain temporary protection until replacement roofing is completed.

C. Protect existing construction and completed work from damage.

D. Protect landscaping from damage.

E. Maintain access to existing walkways and adjacent occupied facilities.

F. Coordinate use of rooftop fresh air intakes with Contracting Officer's

Representative to minimize effect on indoor air quality.

G. Ensure temporary protection materials are available for immediate use in case of unexpected rain.

H. Ensure roof drainage remains functional.

1. Keep drainage systems clear of debris.

2. Prevent water from entering building and existing roofing system.

I. Coordinate rooftop utilities remaining active during roofing work with

Contacting Officer's Representative.

3.2 RE-ROOFING PREPARATION - GENERAL

A. Notify Contacting Officer's Representative of planned operations, daily.

1. Identify location and extent of roofing removal.

2. Request authorization to proceed.

3.3 COMPLETE ROOFING SYSTEM REMOVAL

A. Remove existing roofing system completely, exposing structural roof deck.

3.4 DECK PREPARATION

A. Inspect structural roof deck after roofing system removal.

B. Concrete Roof Decks:

1. Visually confirm concrete roof deck is dry.

Repair Exterior Features

Envelope Maintenance & Repair –

Walla Walla, WA

VA Project No. 687-20-101

07 01 50.19 - 6 of 7

2. Perform moisture test according to ASTM D4263-83(2018) each day for each separate roof area.

a. Proceed with roofing work only when moisture is not observed.

3. Replace roof deck as indicated on drawings. determined by

Contracting Officer's Representative.

a. Replacement Roof Deck: Section 06 10 00, ROUGH CARPENTRY.

3.5 TEMPORARY ROOFING

A. Install temporary roofing to maintain building watertight.

B. Remove temporary roofing before installing new roofing.

3.6 BASE FLASHING REMOVAL

A. Expose base flashings to permit removal.

1. Two-Piece Counterflashings: Remove cap flashing and store for reuse.

2. Single Piece Counterflashings: Carefully bend counterflashing.

3. Metal Copings: Remove decorative cap and store for reuse.

B. Remove existing base flashings.

1. Clean substrates to receive new flashings.

C. Replace counterflashings damaged during removal.

1. Counterflashings: See Section 07 60 00 FLASHING AND SHEET METAL.

3.7 DISPOSAL

A. Collect waste materials in containers.

B. Remove waste materials from project site, regularly, to prevent accumulation.

C. Legally dispose of waste materials.

Repair Exterior Features

Envelope Maintenance & Repair –

Walla Walla, WA

VA Project No. 687-20-101

07 01 50.19 - 7 of 7

Leave Blank

07 24 00 - 1 of 6

EXTERIOR FINISH SYSTEM

SECTION 07 24 00

EXTERIOR FINISH SYSTEMS

1.1 SUMMARY

A. Section Includes:

1. Direct exterior finish systems (DEFS).

1.2 APPLICABLE PUBLICATIONS

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

B. ASTM International (ASTM):

B117-19.................Operating Salt Spray (Fog) Apparatus.

C67/C67M-20.............Sampling and Testing Brick and Structural Clay

Tile.

C177-19.................Steady-State Heat Flux Measurements and Thermal

Transmission Properties by Means of the

Guarded-Hot-Plate Apparatus.

C297/C297M-16...........Flatwise Tensile Strength of Sandwich

Constructions.

C666/C666M-15...........Resistance of Concrete to Rapid Freezing and

Thawing.

C920-18.................Elastomeric Joint Sealants.

D968-17.................Abrasion Resistance of Organic Coatings by

Falling Abrasive.

D2794-93(2019)..........Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact).

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

Materials.

E96/E96M-16.............Water Vapor Transmission of Materials.

E119-20.................Fire Tests of Building Construction and

Materials.

07 24 00 - 2 of 6

E330/E330M-14...........Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform

Static Air Pressure Difference.

E331-00(2016)...........Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Wall by Uniform

Static Air Pressure Differences.

E2486/E2486M-13(2018)...Impact Resistance of Class PB and PI Exterior

Insulation and Finish Systems (EIFS).

G90-17..................Performing Accelerated Outdoor Weathering of

Nonmetallic Materials Using Concentrated

Natural Sunlight.

1.3 PREINSTALLATION MEETINGS

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

b. Contractor.

c. Installer.

d. Other installers responsible for adjacent and intersecting work, including air barriers and sealants.

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. Terminations.

g. Transitions and connections to other work.

h. Inspecting and testing.

07 24 00 - 3 of 6

i. Other items affecting successful completion.

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

1.4 SUBMITTALS

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

B. Submittal Drawings:

1. Show size, configuration, and fabrication and installation details.

2. Show details for corner treatment, sills, soffits, dentils, quoins, lintels, openings, penetrations, flashing, and other special applications.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Installation instructions.

3. Warranty.

D. Samples: Two 300 mm (1 foot) square samples of simulated synthetic stucco finishes over cement board identical to proposed installation in thickness, color, texture and workmanship.

E. Test reports: Certify each product and complete system complies with specifications.

F. Qualifications: Substantiate qualifications comply with specifications.

1. Installer with project experience list.

1.5 QUALITY ASSURANCE

A. Installer Qualifications:

1. Regularly installs specified products.

2. 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.

1.6 DELIVERY

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

07 24 00 - 4 of 6

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

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

1.7 STORAGE AND HANDLING

A. Store products indoors in dry, weathertight conditioned facility.

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

1.8 FIELD CONDITIONS

A. Environment: Unless greater temperature is required by system manufacturer, install products only when ambient air temperature is minimum 7 degrees C (45 degrees F) and rising and predicted to persist for 24 hours after installation.

1.9 WARRANTY

Construction."

B. Manufacturer's Warranty: Warrant finish system materials against material and manufacturing defects.

1. Warranty Period: 10 years.

PART 2 - PRODUCTS

2.1 PRODUCTS - GENERAL

A. Basis of Design: Dryvit Architectural Wall Coating Building T1 & T2

B. Provide system components from one manufacturer and from one production run.

PART 3 - EXECUTION

3.1 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

C. Notify Contracting Officer's Representative in writing of conditions detrimental to proper completion of work.

07 24 00 - 5 of 6

D. Do not proceed with work until unsatisfactory conditions are corrected.

3.2 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.

3.3 SEALANT INSTALLATION

A. Direct Exterior Finish System: Unit Finish: Apply sealant at intersections of gypsum board with windows, doors, control joints, other openings and locations as shown on drawings.

B. Do not apply sealant in locations intended for water drainage.

3.4 SYNTHETIC STUCCO FINISH INSTALLATION

A. Joint Reinforcement: Pre-fill gypsum board joints and trim with synthetic stucco base coat mixed according to manufacturer's directions.

1. Immediately embed reinforcing tape into wet base coat and tightly trowel to board surface to avoid crowning joints.

2. Cure for four hours minimum before applying base coat.

B. Base Coat: Uniformly apply base coat minimum 1.6 mm (1/16 inch) thick, smooth and flat over entire surface including joints and trim. Dampen board surface as necessary under rapid drying conditions.

1. Embed reinforcing fabric in basecoat while wet and cover with basecoat material so fabric pattern is not visible.

C. Finish: Trowel apply exterior finish to base coat texturing surface as specified to uniform thickness of 1.5 mm to 5 mm (1/16 inch to

3/16 inch).

1. Dampen base coat as necessary under rapid drying conditions.

2. Extend finish so breaks between batches occur at surface breaks such as corners, control joints, windows, and other interruptions.

07 24 00 - 6 of 6

Walla Walla, WA

VA Project No. 687-20-101

09 91 00 - 1 of 10

FLUID-APPLIED MEMBRANE AIR

BARRIERS, VAPOR PERMEABLE

SECTION 07 27 26

F…