Addendum-3-WAC_Roofing-WA-25-07-02.pdf

Addendum 3

Client: City of Oakridge

Project: Willamette Activity Center Reroof Project

Date: July 2, 2025

To: Interested Bidder

Prepared by: Curt Wilson, AIA; Principal, Wilson Architecture

This Addendum modifies the Project Manual, Specifications, and Drawings as follows:

1. General Information

1.1. The Pre-Bid Meeting was held on 6/18/2025. The meeting sign-up sheet was attached to

Addendum 1.

1.2. Addendum 1 was issued on 6/20/2025. Addendum 2 was issued on 6/25/2025.

1.3. The bid submission date was moved to 7/9/2025 at 2:00 in Addendum 2.

2. Identified Potential Prime Bidders

2.1. 2G Construction Eric Zapata 2g@2gconstruction.com

2.2. Carlson Roofing Michael Schilling michael@carlsonroof.com

2.3. DSL Builders JJ Macedo jjm@dsl-builders.com

2.4. Green Pointe Construction Joe Cawood joe@greenpointedc.com

2.5. JR Swigart Co, Inc Neil Koskiniemi neil.koskiniemi@jrswigart.com

2.6. McGilchrist & Sons Roofing Ron Johnston Ron@mcgilchristroofing.com

2.7. McKenzie Commercial Bryan Wedmore bwedmore@mccmail.biz

2.8. Nimbus Roofing and Sht Mtl Nathan Van Vlack Nathan@nimbusroofingandsheetmetal.com

2.9. Ordell Construction Alex King aking@ordellconstruction.com

2.10. Proper Built Inc. Brad Anderson brad@properbuilt.net

2.11. Richards Remodeling Chris Vejnoska chris@richardsremodeling.com

2.12. Roseburg Roofing Brad Morris Brad.rsbgroofing@hotmail.com

2.13. Umpqua Roofing Ben Tompkins Ben@umpquaroofing.com

2.14. Weatherguard Inc. Kelly Sherrell kelly@weatherguardinc.net

Note: If your firm intends to bid the project as a primer bidder and interested in receiving addendas emailed directly, email Curt Wilson, AIA at curt@wilson-architecture.com to be listed as a Registered Prime Bidder.

Addendum 3 City of Oakridge

Willamette Activity Center Reroof

Wilson Architecture 7/2/2025 Page 2

3. Changes to the Project Manual

3.1. Section 07 5400 - Thermoplastic_Membrane_Roofing

a. Replace the original sheet with attached version. A brief summary of the changes include:

• Misc edits to Part 2 – Products.

• Acceptable manufacturers added for the TPO roofing system based on the approved product substitutions.

• Changes the quantity of walkway Pads to be provided.

3.2. Section 07 7000 – Roof Accessories

a. 2.2 – PV Array Support Pipe, Item B.3. Change post height to “17 ½ in”.

4. Changes to the Drawings

4.1. Sheet D129.3 – Roof Demo Plan – Module A

a. Replace the original sheet with attached version. A brief summary of the changes include:

• Modifications to the existing conduit above the North Entrance in Module A described.

4.2. Sheet A164 – Details

a. Replace the original sheet with attached version. A brief summary of the changes include:

• Detail 3A. Modifications to the existing conduit above the North Entrance in

Module A shown with note for impact to new rigid insulation.

5. Approved Product Substitutions

5.1. Section 07 5400 Thermoplastic Membrane Roofing

a. Add Mule-Hide and Versiweld to “Other Acceptable Manufacturers” list.

End of Addendum

5.2. Attachments:

a. Spec Section 07 5400

b. Sheet D129.3

c. Sheet A164

Willamette Activity Center Reroof 07 5400

City of Oakridge THERMOPLASTIC MEMBRANE ROOFING

5/29/2025 (Add 3 – 7/2/2025) PAGE 1 of 10

SECTION 07 5400

THERMOPLASTIC MEMBRANE ROOFING

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Mechanically attached system with thermoplastic roofing membrane.

B. Roof fire classification.

C. Insulation, flat and tapered.

D. Flashings.

E. Roofing stack boots and walkway pads.

1.2 RELATED REQUIREMENTS

A. Section 01 2000 – Price and Payment Procedures: Pay application process, change procedures.

B. Section 01 3000 – Administrative Requirements: Submittal review procedures.

C. Section 01 6000 – Product Requirements: Substitution request procedures.

D. Section 01 7000 – Execution and Closeout Requirements: Closeout procedures.

E. Section 06 1000 - Rough Carpentry: Wood nailers and curbs.

F. Section 07 0150 – Preparation for Roof Replacement: Existing roof tear off.

G. Section 07 6200 - Sheet Metal Flashing and Trim: Counterflashings, reglets.

H. Section 07 7200 – Roof Accessories. Components installed through or attached to the roofing system.

I. Section 07 9200 - Joint Sealers.

1.3 REFERENCE STANDARDS

A. ASTM C1289 - Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal

Insulation Board; 2014.

B. ASTM C1396/C1396M - Standard Specification for Gypsum Board; 2014.

C. ASTM D6878/D6878M - Standard Specification for Thermoplastic Polyolefin Based Sheet

Roofing; 2013.

D. ASTM E1980 - Standard Practice for Calculating Solar Reflectance Index of Horizontal and

Low-Sloped Opaque Surfaces; 2011.

E. FM DS 1-28 - Wind Design; Factory Mutual Research Corporation; 2007.

F. NRCA ML104 - The NRCA Roofing and Waterproofing Manual; National Roofing Contractors

Association; Fifth Edition, with interim updates.

G. OSSC - Oregon Structural Specialty Code, latest edition.

H. UL (RMSD) - Roofing Materials and Systems Directory; Underwriters Laboratories Inc.;

current edition.

5/29/2025 (Add 3 – 7/2/2025) PAGE 2 of 10

1.4 SYSTEM DESCRIPTION

A. Roofing Assembly Requirements

1. Solar Reflectance Index (SRI)

a. 78, minimum, calculated in accordance with ASTM E1980.

b. Field applied coating may not be used to achieve specified SRI.

2. Roof Covering External Fire-Resistance Classification per Table 1505.1 of the building code.

a. Class A

3. Factory Mutual Classification

a. Meet test requirements for FM Class IA fire and windstorm resistance of I-60, in accordance with FM DS 1-28.

1.5 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Product Data

1. Submit manufacturer's product data and installation instructions.

2. Provide data indicating membrane materials, flashing materials, insulation, vapor retarder, surfacing, fasteners, and accessories.

3. Specimen Warranty: For approval.

C. Shop Drawings

1. Indicate joint or termination detail conditions, conditions of interface with other materials, setting plan for tapered insulation, and mechanical fastener layout.

D. Quality Assurance Submittals

1. Certificates

a. Demonstrate installer meets or exceeds the standards of this section.

E. Manufacturer’s Instructions

1. Manufacturer's Installation Instructions: Indicate membrane seaming precautions, special procedures, and perimeter conditions requiring special attention.

F. Closeout Submittals

1. Warranty:

a. Submit manufacturer warranty and ensure that forms have been completed in

Owner's name and registered with manufacturer.

b. Submit installer's certification that installation complies with all warranty conditions for the waterproof membrane.

1.6 QUALITY ASSURANCE

A. Quality Standards

1. Perform work in accordance with NRCA Roofing and Waterproofing Manual.

5/29/2025 (Add 3 – 7/2/2025) PAGE 3 of 10

B. Qualifications

1. Installer Qualifications

a. Company specializing in performing the work of this section with minimum five years of experience.

b. Approved by membrane manufacturer.

c. Provide adequate number of experienced workers regularly engaged in this type of work who are skilled in the application techniques of the material specified.

Provide at least one thoroughly factory trained and experienced subcontractor's foreman on the job at all times that roofing work is in progress.

2. Manufacturer Qualifications: Company specializing in manufacturing the products specified in this section with minimum three years of documented experience.

C. Pre-Installation Meetings

1. Convene one week before starting work of this section.

2. Review special conditions of the project, preparation and installation procedures and coordinating and scheduling required with related work.

3. Minimum attendance

a. General Contractor Superintendent, Roofing Contractor Foreman, Roofing

Manufacturer's Technical Representative, Sheet Metal Contractor's Foreman, Owner, Architect.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Acceptance at Site

1. Deliver materials in original packages, containers or bundles bearing brand name and identification of manufacturer or supplier.

B. Storage

1. Store products in weather protected environment, clear of ground and moisture.

2. Protect foam insulation from direct exposure to sunlight.

1.8 WARRANTY

A. See Section 01 7800 - Closeout Submittals, for additional warranty requirements.

1. System Warranty: Provide manufacturer's total system warranty agreeing to repair or replace roofing that leaks or is damaged due to warranted wind speed.

2. Warranty Term: 20 years.

3. For repair and replacement include costs of both material and labor in warranty.

4. Warranty should be from the manufacturer of the membrane, not the marketer.

5. Warranty should include the membrane, plates, fasteners, insulation, recover board, and other accessories specified in this Section.

PART 2 PRODUCTS

2.1 PRODUCT GENERAL REQUIREMENTS

5/29/2025 (Add 3 – 7/2/2025) PAGE 4 of 10

A. System Description

1. One ply roofing membrane; mechanically fastened.

2. Separation layer to isolate membrane to meet required fire class.

a. Provide separation layer if required by manufacturer to meet required fire class.

b. Note, separation layer is not shown in the details.

c. Separation layer can be combined with insulation protection board.

3. Insulation protected board.

4. Insulation types

a. Constant thickness application

b. Tapered thickness application.

5. Vapor barrier over wood deck.

2.2 THERMOPLASTIC MEMBRANE ROOFING AND ASSOCIATED MATERIALS

A. Manufacturer – Basis of Design

1. Carlisle Syntec Systems

B. Other Acceptable Manufacturers

1. Firestone Building Products, LLC.

2. GAF.

3. GenFlex Roofing Systems, LLC.

4. Johns-Manville

5. Mule-Hide Products Co., Inc.

6. Versico Roofing Systems

7. Substitutions: See Section 01 6000 – Product Requirements.

C. Membrane

1. Product – Basis of Design

a. “Sure-Weld TPO”. Roof slopes over 3/12 will require TPO HS (High Slope) membrane.

2. Material:

a. Thermoplastic polyolefin (TPO) complying with ASTM D 6878.

3. Reinforcing:

a. Internal reinforcing scrim.

4. Thickness, Min.

a. 80 mils.

5. Sheet Width

a. Factory fabricated into largest sheets possible.

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6. Color

a. White.

D. Seaming and Flashing Materials

1. As recommended by membrane manufacturer.

E. Base Flashing

1. Provide a waterproof, fully adhered base flashing system at all penetrations, plane transitions and terminations.

F. Vapor Retarder (noted as Vapor Barrier on the drawings)

1. Product – Basis of Design

a. “VapAir Seal 725TR” by Carlisle.

b. Self-adhered membrane.

2. Plastic complying with requirements of fire rating classification; compatible with roofing and insulation materials.

3. Fire-retardant adhesive.

G. Flexible Flashing Material

1. Same material as membrane.

H. Edging and Terminations

1. As recommended by membrane manufacturer.

2.3 SEPARATION LAYER

A. Not required.

2.4 INSULATION PROTECTION BOARD

A. Purpose

1. As necessary to meet specified UL roof classification.

2. Required to be placed on top of insulation to improve walking on the roof without dimpling the insulation.

B. Manufacturer

1. Approved by membrane manufacturer for conditions of use.

C. Products, Contractor’s Choice

1. “SecurShield HD” polyiso cover board by Carlisle Syntex Systems; 1/2 in.

a. Application; Class A Roofs: At roof slopes less than 1/2:12.

2. “DensDeck” Glass-Mat sheathing by Georgia Pacific; 1/4 in.

a. Application; Class A Roofs: At roof slopes greater than 1/2:12.

3. Plywood is not allowed in Class A systems.

2.5 RIGID INSULATION

A. Manufacturer

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1. Approved by membrane manufacturer for conditions of use.

B. Minimum R-Value

1. R-30

C. Type

1. Polyisocyanurate Board Insulation

D. Description

1. Rigid cellular foam, complying with ASTM C1289, Type II, Class 1, cellulose felt or glass fiber mat both faces; Grade 1.

2. Compressive Strength: 20 psi

3. Board Size: 48 x 96 inch.

4. Board Edges: Square.

E. Extent

1. Use multiple layers of insulation board to achieve specified R-value, so that board joints are staggered.

2.6 TAPERED INSULATION BOARDS

A. Manufacturer

1. Approved by membrane manufacturer for conditions of use.

B. Minimum R-Value

1. R-30

C. Type

1. Polyisocyanurate Board Insulation

D. Description

1. Same as Rigid Insulation

2. Compressive Strength: 20 psi

3. Board Size: 48 inch by 48 inch.

4. Board Edges: Square.

E. Tapering

1. Slope: 1/4:12 slope; minimum thickness 1/2 inch; fabricate of fewest layers possible.

2. See Drawings for additional information.

F. Extent

1. Use multiple layers of insulation board to achieve specified R-value, so that board joints are staggered.

2. Where required to create positive drainage and where shown on the drawings.

2.7 ACCESSORIES

A. Prefabricated Roofing Expansion Joint Flashing

5/29/2025 (Add 3 – 7/2/2025) PAGE 7 of 10

1. Sheet butyl over closed-cell foam backing seamed to stainless steel flanges.

B. Stack Boots

1. Prefabricated flexible boot and collar for pipe stacks through membrane; curb inside and outside corners, pitch pockets, curb wraps, same material as membrane.

C. Roof Board Fasteners

1. Appropriate for purpose intended and approved by roofing manufacturer.

2. Length as required for thickness of roof board material and penetration of deck substrate, with metal washers.

D. Air and Vapor Barrier Adhesive

1. Primer recommended by membrane manufacturer.

E. Membrane Adhesive

1. Adhesive recommended by membrane manufacturer.

F. Insulation Adhesive

1. Adhesive recommended by membrane manufacturer.

G. Sealants

1. As recommended by membrane manufacturer.

H. Walkway Pads

1. Membrane manufacturer’s standard size and type, serrated or cross hatched.

a. Layout of Walkway Pads not included on the Drawings.

b. Provide 1,000 sf. Install where directed by the Architect during construction.

PART 3 EXECUTION

3.1 EXAMINATION

A. Verify that surfaces and site conditions are ready to receive work.

B. Verify deck is supported and secure.

C. Verify deck is clean and smooth, flat, free of depressions, waves, or projections, properly sloped and suitable for installation of roof system.

D. Verify deck surfaces are dry and free of snow or ice.

E. Verify that roof openings, curbs, and penetrations through roof are solidly set, and nailing strips, and reglets are in place.

3.2 INSTALLATION - GENERAL

A. Perform work in accordance with NRCA Roofing and Waterproofing Manual and manufacturer's instructions.

B. Do not apply roofing membrane during unsuitable weather.

C. Do not apply roofing membrane when ambient temperature is outside the temperature range recommended by manufacturer.

5/29/2025 (Add 3 – 7/2/2025) PAGE 8 of 10

D. Do not apply roofing membrane to damp or frozen deck surface or when precipitation is expected or occurring.

E. Do not expose materials vulnerable to water or sun damage in quantities greater than can be weatherproofed the same day.

F. Coordinate the work with installation of associated counterflashings installed by other sections as the work of this section proceeds.

3.3 INSTALLATION – VAPOR BARRIER

A. Apply vapor retarder to deck sheathing surface with adhesive in accordance with manufacturer's instructions.

B. Extend vapor retarder and terminate with flexible flashing to parapet wall system over insulation or coverboard layer as required by membrane manufacturer to allow for adequate adherence of membrane to substrate.

C. Install flexible flashing from vapor retarder to air seal material of wall construction, lap and seal to provide continuity of the air barrier plane.

D. Ensure vapor retarder is clean and dry, continuous, and ready for application of insulation.

E. Separate vapor barrier from membrane as required by the manufacturer.

3.4 INSTALLATION – INSULATION

A. Attachment of Insulation:

1. Mechanically fasten insulation to deck in accordance with roofing manufacturer's instructions and Factory Mutual requirements.

B. Lay subsequent layers of insulation with joints staggered minimum 6 inch from joints of preceding layer.

C. Place tapered insulation to the required slope pattern in accordance with manufacturer's instructions.

D. On metal deck, place boards parallel to flutes with insulation board edges bearing on deck flutes.

E. Lay boards with edges in moderate contact without forcing. Cut insulation to fit neatly to perimeter blocking and around penetrations through roof.

F. At roof drains, use factory-tapered boards to slope down to roof drains over a distance of 18 inches.

G. Do not apply more insulation than can be covered with membrane in same day.

3.5 INSTALLATION - MEMBRANE

A. Roll out membrane, free from wrinkles or tears. Place sheet into place without stretching.

B. Shingle joints on sloped substrate in direction of drainage.

C. Overlap edges and ends and seal seams by hot air welding, minimum 3 inches. Seal permanently waterproof. Apply uniform bead of sealant to joint edge.

D. Mechanical Attachment

5/29/2025 (Add 3 – 7/2/2025) PAGE 9 of 10

1. Apply membrane and mechanical attachment devices in accordance with manufacturer's instructions.

E. Around roof penetrations, seal flanges and flashings with flexible flashing.

F. Coordinate installation of roof drains and sumps and related flashings.

G. Wood Nailers.

1. Perimeter of roof area.

2. Around projections and penetrations.

3. Other locations where required to meet roof membrane manufacturer's guarantee requirements.

4. Securely anchor to deck to resist minimum force required by manufacturer.

3.6 INSTALLATION - WALKWAY

A. Do not install over flashings or field seams until field inspection has been completed.

B. Install roof walkway pad at:

1. At and between HVAC units.

2. At roof access point.

3. Under downspout splash pans.

4. And elsewhere as shown on the Drawings.

3.7 FIELD QUALITY CONTROL

A. Daily Seals

1. On phased roofing, when the completion of flashings and terminations is not achieved by the end of the work day, a daily seal must be performed to temporarily close the membrane to prevent water infiltration.

2. Complete an acceptable membrane seal in accordance with the manufacturer's requirements.

B. Manufacturer’s Field Service

1. Upon completion of the installation, the manufacturer's representative shall make an inspection to ascertain that the roofing membrane system has been installed according to manufacturer's approved specifications and details. The inspection shall determine if any corrective work will be required before the warranty will be issued.

2. Notify the architect 72 hours prior to manufacturer's representative visits.

3.8 CLEANING

A. Remove markings from finished surfaces.

B. In areas where finished surfaces are soiled by work of this section, consult manufacturer of surfaces for cleaning advice and conform to their documented instructions.

C. Repair or replace defaced or damaged finishes caused by work of this section.

D. Prior to substantial completion broom clean entire roof surface to remove any and all accumulated dirt, construction debris, screws, nails, sheet metal snips, garbage, rags, 5/29/2025 (Add 3 – 7/2/2025) PAGE 10 of 10 buckets, tools, roofing scraps, etc. Assure all roof drains and scuppers are clean and free draining.

3.9 PROTECTION

A. Protect installed roofing and flashings from construction operations.

B. Where traffic must continue over finished roof membrane, protect surfaces using durable materials.

END OF SECTION

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KEYNOTES - ROOF DEMO

1. DEMO BUR SYSTEM. SEE REFERENCED ROOF ASSEMBLY

FOR MORE INFORMATION.

2. DEMO ASPHALT SHINGLE ROOFING SYSTEM. SEE

REFERENCED ROOF ASSEMBLY FOR MORE INFORMATION.

3. DEMO SINGLE PLY ROOFING. SEE REFERENCED ROOF

ASSEMBLY FOR MORE INFORMATION.

4. EXST WOOD CANOPY STRUCTURE.

5. EXST WOOD TRUSS OVERFRAMING.

6. DEMO EXST WOOD TRUSS OVERFRAMING.

7. EXST BEARING WALL BELOW ROOF FRAMING.

8. EXST WOOD PONY WALL SUPPORTING ROOF FRAMING.

SEE DETAILS FOR MORE INFORMATION.

9. EXST RIDGE AT ROOF FRAMING.

10. EXST OFFSET AT ROOF TRUSS OVERFRAMING.

11. EXST OPENING OF INTERNAL GUTTER ROOF DRAIN.

12. DEMO DOWNSPOUT.

13. EXST SKYLIGHT TO REMAIN.

14. DEMO EXST SKYLIGHT. SEE DETAIL FOR MODIFICATIONS

TO CURB.

15. APPROXIMATE LOCATION OF ORIGINAL SKYLIGHT WELL

THAT WAS CONCEALED DURING MOST RECENT

REROOFING. EXPOSE AFTER ROOF ASSEMBLY DEMO AND

REVIEW EXST CONDITIONS WITH ARCHITECT.

16. EXST PLUMBING VENT.

17. DEMO ABANDONED PLUMBING VENT.

18. DEMO HVAC UNIT AND CURB. SEE DETAILS FOR MORE

INFORMATION.

19. EXST VENT FAN.

20. DEMO CONDENSATE PIPING.

21. EXST ELECTRICAL SERVICE.

22. EXST ELECTRICAL SERVICE GUY-WIRE.

23. EXST ROOF-MOUNTED CONDUIT.

24. EXST COMMUNICATION SERVICE AT ROOF.

25. DEMO ROOF-MOUNTED COMMUNICATION EQUIPMENT AND

CABLE. PATCH OPENING.

26. SEE DETAILS AT EXST TRUSS TO REMAIN AND EXST TRUSS

SYSTEM TO BE DEMO'ED FOR CONNECTIONS TO EXISTING

LOWER ROOF BELOW TRUSSES. NOTE, ROOFING IN THIS

AREA TO BE ABATED PER DETAILS.

GENERAL NOTES - ROOF DEMO

a. SEE SHEET A160 FOR ROOF ASSEMBLIES.

b. SEE SHEET D129 - OVERALL ROOF DEMO PLAN FOR AREAS

INCLUDED IN ALTERNATE 2.

c. SEE SPEC SECTION 02 8233 - FRIABLE ABATEMENT OF

FRIABLE ROOFING FOR ASBESTOS ABATEMENT

REQUIREMENTS ON THIS PROJECT. THE ROOF

ASSEMBLIES ON SHEET A160 DESCRIBE THE ROOF

LOCATION OF THE ASBESTOS-CONTAINING SILVER

COATING, AND WHERE THIS COATING IS WITHIN THE EXST

ROOF ASSEMBLY. THE RED LINE ON THE SECTIONS AND

DETAILS IDENTIFY ROOF LOCATIONS OF THE

ASBESTOS-CONTAINING SILVER COATING IN GENERAL, BUT

THESE DRAWINGS DO NOT DESCRIBE WHERE IT IS WITHIN

THE EXISTING ROOF ASSEMBLY.

d. PRIME CONTRACTOR TO SCHEDULE WITH OWNER OR

ARCHITECT REVIEW OF EXISTING ROOF DECKING

CONDITION AFTER ROOF TEAR OFF, AND PRIOR TO

PLACEMENT AND NAILING OF ROOF SHEATHING. DAMAGED

ROOF DECKING TO BE REMOVED AND REPLACED ON A T&M

BASIS AS A CHANGE TO THE CONTRACT.

MB C D F G J L OA IHE K N

F G J LIHE K

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PROJECT: 25051

Reroof Project City Of Oakridge

WAC Improvements

REVISIONS:

CHECKED:

DATE: 5/29/2025

wilson-architecture.com | 541-912-0878

CW1Demo Roof Plan Module C

Roof Demo Plan10'-8"5'-4"2'-8"0'

3/16" = 1'-0"

Module C

D129.3

B C D EA

A161

3B A161

1'-3"

1' -3

1'-3"

1' -3

1' -3

8B A161

3B A161

1'-3"

8B A161

TYP

5 2

16 TYP

19 TYP

12 TYP

23 TYP

11 TYP

7 TYP

Lower Roof Over Kitchen

Upper Roof Over Gym

Lower Roof

Lower Roof at Main West Entry

KEY PLAN

TYP

8B A161

2B A163

A164

4B A162

1B A164

2B A162

R.A. 4B

R.A. 3B

R.A. 2B

R.A. 4B

R.A. 6B

UPPER ROOF

R.A. 5B

UPPER ROOF

R.A. 7B

1B A161

26 TYP

4' -0

3B A162

3B A162

FIELD VERIFY

THE EXTENT

OF SIDING

DAMAGE.

DEMO ROOF

STRUCTURE PER

DETAIL 2B/A163.

SIM

1B A161

SIM

5B A165

13 5B A165

19 4B A165

194B A165

194B A165

194B A165

194B A165

ROOF-MOUNTED CONDUIT

ELECTRICAL KEYNOTES

E1. EXISTING PANEL FEEDER CONDUIT TO BE ENCLOSED

IN NEW ROOF ASSEMBLY AT EXISTING ROUTE.

E2. DISCONNECT EXISTING BRANCH CIRCUIT CONDUCTORS

AND LOWER EXISTING CONDUIT AS REQUIRED TO

ENCLOSE CONDUIT IN ROOF ASSEMBLY. STUB

CONDUIT THROUGH WALL INTO ATTIC SPACE FOR

FUTURE EXTENSION.

E3. REMOVE EXISTING BRANCH CIRCUIT CONDUCTORS.

REROUTE CONDUIT TO CEILING SPACE OF LOCKER

ROOM, REMOVING CONDUIT ON UPPER ROOF. CONDUIT

ON LOWER ROOF WILL BE ENCLOSED IN ROOF ASSEMBLY.

E1

E2

E3

SEE ELECTRICAL NOTES

E3

E2

E1

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H ar di

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GENERAL NOTES - DETAILS

a. SEE SHEET A160 FOR ROOF ASSEMBLIES.

b. SEE SHEETS D129 - OVERALL ROOF DEMO PLAN AND

A129 - OVERALL ROOF PLAN FOR ROOF AREAS INCLUDED

IN ALTERNATE 2.

c. SEE SPEC SECTION 02 8233 - FRIABLE ABATEMENT OF

FRIABLE ROOFING FOR ASBESTOS ABATEMENT

REQUIREMENTS ON THIS PROJECT. THE ROOF

ASSEMBLIES ON SHEET A160 DESCRIBE THE ROOF

LOCATION OF THE ASBESTOS-CONTAINING SILVER

COATING, AND WHERE THIS COATING IS WITHIN THE

EXST ROOF ASSEMBLY. THE RED LINE ON THE SECTIONS

AND DETAILS IDENTIFY ROOF LOCATIONS OF THE

ASBESTOS-CONTAINING SILVER COATING IN GENERAL,

BUT THESE DRAWINGS DO NOT DESCRIBE WHERE IT IS

WITHIN THE EXISTING ROOF ASSEMBLY.

d. PRIME CONTRACTOR TO SCHEDULE WITH OWNER OR

ARCHITECT REVIEW OF EXISTING ROOF DECKING

CONDITION AFTER ROOF TEAR OFF, AND PRIOR TO

PLACEMENT AND NAILING OF ROOF SHEATHING.

DAMAGED ROOF DECKING TO BE REMOVED AND

REPLACED ON A T&M BASIS AS A CHANGE TO THE

CONTRACT.

e. SEE ROOF ASSEMBLY 1 FOR ROOF SHEATHING NAILING

REQUIREMENTS.

(E)

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1x 5.

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(E)

42 PTUNIT Y (1/4:12)

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(E)

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1x 5.

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H ar di

Tr im

PROJECT: 25051

Reroof Project City Of Oakridge

WAC Improvements

REVISIONS:

CHECKED:

DATE: 5/29/2025

wilson-architecture.com | 541-912-0878

CW

Details

A1643 Top of Wall - South Entrance 1 1/2" = 1'-0" Section

A. Improvements

B. Demo/Exst Condition

Top of Wall - North Entrance Section

A. Improvements

B. Demo/Exst Condition

1Low Roof to Wall - North Entrance 1 1/2" = 1'-0" Section

A. Improvements

B. Demo/Exst Condition

2Section

A166

A166

1A A166

SIM

NOTE: DS NOT SHOWN.

R.A. 7B

EXST WALL FRAMING

DEMO BOARD AND BATTEN SIDING

SYSTEM AND DIAGONAL SHEATHING.

R.A. 4A

A166

WALL

SHEATHING (1/2")

EXTEND VAPOR

BARRIER AND

ROOFING MEMBRANE

UP WALL.

1B A166

SIM

1'-0"

R.A. 7B

EXST WALL FRAMING

DEMO SIDING AND SHEATHING.

DEMO ROOF SHEATHING AT OVERHANG. R.A. 2B R.A. 2B

DEMO FASCIA.

NOTCH TOP PLATE

FOR OUTLOOKER.

R.A. 7B SIM

EXST DECKING

DEMO FASCIA

EXST SHEATHING

DEMO SIDING PANEL

LEVEL SAWCUT AT TRANSITION TO NEW SIDING.

1' -6

EXST WALL FRAMING

DEMO DS

DEMO FASCIA

EXST OUTLOOKER

EXST ROOF SHEATHING

R.A. 2A R.A. 2A

A166

SIM

R.A. 7A

R.A. 7A SIM

GUTTER

2x6 FASCIA

SUPPORT

SECURE 2x4

TO EXST

DECKING

NOTE: SEE 1A/A166 FOR

MORE INFO.

9"

H

IG

H P

O

IN

T O

F R

O O

F

SEE D129.3 FOR MODIFICATIONS

TO EXST ELECTRICAL CONDUIT.

FILL GAPS IN RIGID INSULATION

WITH SPRAY FOAM.

ADD 03

ADD 03 - 7/2/2025