VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY

PROCUREMENT DEPARTMENT

ADDENDUM NO. 3

DATE: April 27, 2026 TO: All Offerors FROM: Deirdre Curry, Contracting Officer TOTAL PAGE(S): 1 page (not including attachments) SOLICITATION TITLE: Torgersen Hall Roofing Replacement

SOLICITATION NUMBER: 443882620

I. CLARIFICATIONS AND ADDITIONAL INFORMATION

1. See Addendum 4 Cover Letter dated April 15, 2026, attached hereto as Exhibit A.

2. See revised 100% drawings dated April 15, 2026, attached hereto as Exhibit B.

II. REQUESTS FOR INFORMATION

None.

Exhibit A Addendum 4 Cover Letter Dated April 15, 2026

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

Chicago, Illinois 60603

312.372.0555 tel www.wje.com

MEMORANDUM April 15, 2026

Torgersen Hall - Roofing Replacement

Addendum #1

WJE PROJECT NO. 2022.6672

TO Mackenzie Mabe

Supervisory Project Manager of Non-Capital Construction

Virginia Tech

230 Sterrett Drive

Blacksburg, Virginia 24061

FROM Jason Aspin, Bryan Rouse, and Ian Chin

ADDENDUM NO. 1 TO THE BID DOCUMENTS

Project: Torgersen Hall - Roofing Replacement

Owner: Virginia Polytechnic Institute and State University

Date: April 13, 2026

This Addendum forms a part of the Contract Documents and modifies the Bid Set Drawings dated

February 27, 2026. Bidders shall acknowledge receipt of this Addendum in the Bid Form and incorporate the following revisions into their bids.

1. Drawing Revisions: The drawings dated April 13, 2026, labeled “Addendum #1”, supersede the corresponding drawings issued on February 27, 2026.

2. Roof Insulation Clarification: At Roof Area K (the Auditorium), the new roofing system shall include

R‑20 polyisocyanurate insulation, similar to the existing construction.

3. Through Wall Flashing Clarification: Clerestory and penthouse through‑wall flashings are being removed and replaced under a separate scope of work and will be completed before roofing replacement begins. Roofing work at these locations includes removal and reinstallation of stainless steel sheet‑metal counterflashings only.

4. Sheet Metal Copings and Counterflashings:

a. An exterior wall contractor is currently performing repairs under a separate project.

b. At the parapet walls, the exterior wall contractor will install new sheet metal copings with receivers and provide new removable counterflashings. This project includes the installation of those counterflashings fabricated by the exterior wall contractor.

c. At the screen walls, the exterior wall contractor will install new sheet metal copings with receivers.

This project includes the fabrication and installation of new counterflashings.

5. Drawing Changes:

a. G-002: The scope of work has been updated to reflect the changes above.

b. A‑103: Notes on through‑wall flashing repairs above the auditorium roof have been deleted.

Torgersen Hall - Roofing Replacement

MEMORANDUM | WJE No. 2022.6672 | April 15, 2026 Page 2

c. A‑501: Roof Area K (the auditorium) has been removed from the list of roofs in Detail 3a that require new R‑30 insulation. A‑501: Detail 3b was added to describe new R‑20 insulation at Roof

Area K (Auditorium).

d. A-503: Detail 1 has been revised to include the installation of a new sheet metal counterflashing to be fabricated by others.

e. A‑503: Notes for Details 2, 4, and 5 were revised to require removal and reinstallation of existing sheet‑metal counterflashing.

f. A‑503: Detail 6 and all related references have been voided; recently repaired through‑wall flashings shall remain.

g. A‑504: Details 4 and 6 were revised to require removal and reinstallation of existing sheet‑metal counterflashing.

h. Detail 6 has been revised to include the installation of a new sheet metal counterflashing to be fabricated by others.

6. Except as modified by this Addendum, all other requirements of the Drawings, Specifications, and Bid

Documents remain unchanged and in full force and effect.

Exhibit B Revised 100% Drawings dated April 15, 2026

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

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Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

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312.372.0555 tel

Torgersen Hall Roofing Replacement

620 Drillfield Drive Blacksburg, Virgina 24061

Virginia PolyTechnic Institute and State University

VT Facilities Department Sterrett Facilities Complex Blacksburg, Virgina 24061

Issued for Bid

2022.6672.0

#1

04-15-26 02-27-26

GM/JAA

February 27, 2026

As Noted

LRM/IRC

Cover Sheet

G-001

Torgersen Hall Roofing Replacement 620 Drillfield Drive Blacksburg, Virgina 24061

CLIENT:

Virginia PolyTechnic Institute and State University VT Facilities Department Sterrett Facilities Complex Blacksburg, Virgina 24061

ARCHITECT:

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600 Chicago, Illinois 60603WJE

Sheet List Table

Sheet Number Sheet Title

G-001 Cover Sheet

G-002 General Notes

G-003 Construction Staging Plan

G-004 Wind Uplift Diagram

A-101 Overall Roof Plan

A-102 Roof Plan - Area A

A-103 Roof Plan - Area B

A-104 Roof Plan - Area C

A-501 Roofing Details

A-502 Roofing Details

A-503 Details

A-504 Details

A-505 Screen Wall Details

A-506 Coping Details

Issued - February 27, 2026

A7 SCALE: NTS

Virginia Tech Campus Map N

TORGERSEN HALL

DOCUMENT VERSION

VIRGINIA CONSTRUCTION CODE 2021

VIRGINIA EXISTING BUILDING CODE 2021

VIRGINIA TECH - DESIGN AND CONSTRUCTION MANUAL 2023

VIRGINIA TECH - CONSTRUCTION & PROFESSIONAL SERVICES MANUAL 2020

MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES ASCE 7-22

HOKIE STONE MASONRY GUIDE SPECIFICATIONS PREPARED BY VIRGINIA TECH

CODE

1. AUTHORITY HAVING JURISDICTION: ALL WORK SHALL COMPLY WITH THE RULES AND

REGULATIONS OF ALL APPLICABLE FEDERAL, STATE, AND LOCAL CODES, AND ALL OTHER

AUTHORITIES HAVING JURISDICTION, INCLUDING:

2. THE CONTRACTOR SHALL PERFORM WORK IN ACCORDANCE WITH THE APPLICABLE

REQUIREMENTS OF THE GOVERNING EDITION OF THE WILLIAMS-STEIGER OCCUPATIONAL

SAFETY AND HEALTH ACT (OSHA).

3. THE CONTRACTOR SHALL PROVIDE PROPERLY ENGINEERED CONSTRUCTION

SAFEGUARDS AND SHALL SUBMIT DOCUMENTATION TO THE UBO VALIDATING THE

APPROPRIATENESS OF THE SAFEGUARDS AS PART OF OBTAINING A PERMIT FOR

OVERHEAD WORK. THOSE SAFEGUARDS WILL BE INSPECTED BY THE BUILDING OFFICIAL

AND MUST BE APPROVED PRIOR TO THE START OF OVERHEAD WORK.

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

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DateMark Description

Project

F

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F

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B

A

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

620 Drillfield Drive Blacksburg, Virgina 24061

Virginia PolyTechnic Institute and State University

VT Facilities Department

GM/JAA

February 27, 2026

As Noted

LRM/IRC

General Notes

G-002

GENERAL REQUIREMENTS

1. OWNER: VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY (VIRGINIA TECH)

2. ARCHITECT: IAN R. CHIN OF WISS, JANNEY, ELSTNER ASSOCIATES, INC., OR HIS REPRESENTATIVES

3. BUILDING: TORGERSEN HALL, 620 DRILLFIELD DRIVE, BLACKSBURG, VIRGINIA 24061

4. DESIGN ROOF LIVE LOAD: 30 POUNDS PER SQUARE FOOT

5. AUTHORITY HAVING JURISDICTION: ALL WORK SHALL COMPLY WITH THE RULES AND REGULATIONS OF ALL

APPLICABLE FEDERAL, STATE, AND LOCAL CODES, AND ALL OTHER AUTHORITIES HAVING JURISDICTION, INCLUDING:

a. VIRGINIA UNIFORM STATEWIDE BUILDING CODE - 2021

b. VIRGINIA TECH DESIGN AND CONSTRUCTION MANUAL - 2022

c. CONSTRUCTION & PROFESSIONAL SERVICES MANUAL - 2020

d. MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES (ASCE 7-10)

e. HOKIE STONE MASONRY GUIDE SPECIFICATIONS PREPARED BY VIRGINIA TECH

f. THE LATEST EDITION OF ALL CODES AND STANDARDS SHALL APPLY.

6. THE CONTRACTOR SHALL PERFORM WORK IN ACCORDANCE WITH THE APPLICABLE REQUIREMENTS OF THE GOVERNING EDITION OF THE WILLIAMS-STEIGER OCCUPATIONAL SAFETY AND HEALTH ACT (OSHA).

7. DEFINITIONS:

a. CONSTRUCTION DOCUMENTS: THE CONSTRUCTION DOCUMENTS INCLUDE DRAWINGS, GENERAL NOTES, AND PROJECT MANUAL PREPARED BY THE ARCHITECT. THE CONSTRUCTION DOCUMENTS SHALL BE TAKEN IN THEIR ENTIRETY AND AS A WHOLE. IF A DISCREPANCY IS FOUND IN THE CONSTRUCTION DOCUMENTS, THE ARCHITECT SHALL DECIDE AS TO WHICH GOVERNS.

b. EPDM: ETHYLENE PROPYLENE DIENE TERPOLYMER. A SYNTHETIC RUBBER MEMBRANE.

c. FLASHING: AN IMPERVIOUS MATERIAL INSTALLED IN A WALL SYSTEM AND SLOPED TO THE EXTERIOR TO

CONTAIN AND REDIRECT MOISTURE THAT PENETRATED THE WALL BACK TO THE EXTERIOR THROUGH

WEEPS

d. HOKIE STONE: A LOCAL DOLOMITIC LIMESTONE

e. HOKIE STONE MASONRY: HOKIE STONE UNITS LAID IN RANDOM ASHLAR PATTERN WITH DRYPACK

(EXISTING HOKIE STONE MASONRY) OR MORTAR IN JOINTS (NEW HOKIE STONE MASONRY). HOKIE STONE MASONRY WALL CONSTRUCTION IS A MAJOR IDENTIFYING CHARACTERISTIC OF BUILDINGS ON VIRGINIA

TECH'S CAMPUS.

f. INSULATION: RIGID POLYISOCYANURATE INSULATION

g. MORTAR: PORTLAND CEMENT, HYDRATED LIME, AND SAND CONFORMING TO ASTM C270, TYPE S OR N, MIXED WITH THE MAXIMUM AMOUNT OF WATER TO PRODUCE A WORKABLE CONSISTENCY.

h. RAKE JOINTS: REMOVAL OF EXISTING DRYPACK FROM JOINTS IN HOKIE STONE VENEER TO THE SPECIFIED

DEPTH WITHOUT DAMAGE TO THE HOKIE STONE. SUBSEQUENT BRUSHING, VACUUMING, OR FLUSHING OF JOINTS WITH OIL-FREE COMPRESSED AIR AS NECESSARY TO REMOVE ALL TRACES OF LOOSE DRYPACK, DIRT, AND DEBRIS AND EFFLORESCENCE ON THE SURFACES OF THE HOKIE STONE AND REMAINING DRYPACK AT

RAKED JOINTS.

i. SPLICE IN FLASHING: SHALL BE LAPPED AT LEAST 6 INCHES AND SEALED WITH COMPATIBLE SEALANT

j. WEEPS: 2 INCHES HIGH, OPEN, AND VENTED HEAD JOINTS ON HOKIE STONE MASONRY SPACED NO MORE

THAN 24 INCHES ON CENTER THAT DIRECTS MOISTURE COLLECTED ON THE FLASHING TO THE EXTERIOR OF

THE WALL ASSEMBLY. WEEPS SHALL BE PLACED IMMEDIATELY ON THE TOP OF THE FLASHING.

8. THE CONTRACTOR SHALL CONSTRUCT THE WORK IN CONFORMANCE WITH THE CONSTRUCTION DOCUMENTS.

9. PRIOR TO BIDDING, THE CONTRACTOR AND ITS SUBCONTRACTORS SHALL REVIEW THE CONSTRUCTION

DOCUMENTS AND SHALL VISIT THE PROJECT SITE TO BECOME FAMILIAR WITH CONDITIONS RELATED TO THE WORK, THE PARTICULAR CHARACTERISTICS OF THE HOKIE STONE MASONRY, AND WITH THE REQUIREMENTS OF

THE WORK.

10. THE CONTRACTOR AND ITS SUBCONTRACTORS SHALL EXAMINE THE WORK AREAS AND THE CONDITIONS UNDER WHICH THE WORK IS TO BE PERFORMED, SHALL NOTIFY OWNER AND ARCHITECT IN WRITING OF ANY CONDITIONS DETRIMENTAL TO THE PROPER AND TIMELY COMPLETION OF THE WORK, AND SHALL NOT PROCEED WITH THE WORK UNTIL UNSATISFACTORY CONDITIONS HAVE BEEN CORRECTED IN A MANNER ACCEPTABLE TO THE

CONTRACTOR AND ITS SUBCONTRACTORS.

11. THE CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR ALL MEANS AND METHODS OF CONSTRUCTION. ALL RIGGING, EQUIPMENT, AND PROCEDURES SHALL BE IN ACCORDANCE WITH APPLICABLE CODES AND STANDARDS.

THE CONTRACTOR SHALL MAKE ANY INSPECTIONS OR ANALYSIS NECESSARY TO VERIFY THAT EXISTING BUILDING ELEMENTS HAVE ADEQUATE LOAD CAPACITY TO SUPPORT ANY REQUIRED RIGGING OR STORAGE FORCES HE

CHOOSES TO IMPOSE ON THEM.

12. THE CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR SAFETY ON THE CONSTRUCTION SITE.

13. THE CONTRACTOR SHALL PROVIDE LABOR, SUPERVISION, MATERIALS, EQUIPMENT, AND SERVICES AS

REQUIRED TO COMPLETE THE WORK IN ACCORDANCE WITH DRAWINGS, GENERAL NOTES, AND PROJECT MANUAL.

14. THE CONTRACTOR SHALL HAVE ALL MATERIALS REQUIRED FOR THE WORK DELIVERED TO THE PROJECT SITE

UNDAMAGED, IN MANUFACTURER'S ORIGINAL AND UN-OPENED CONTAINERS, LABELED WITH THE

MANUFACTURER DATE, TYPE, AND NAME OF PRODUCT AND MANUFACTURER.

15. THE CONTRACTOR SHALL STORE ALL MATERIALS OFF GROUND, UNDER COVER, IN A DRY LOCATION, SEPARATED TO PREVENT CONTAMINATION, AND SHALL COMPLY WITH THE MATERIAL MANUFACTURER'S WRITTEN

INSTRUCTIONS FOR MINIMUM AND MAXIMUM TEMPERATURE REQUIREMENTS FOR STORAGE.

16. THE CONTRACTOR SHALL NOT STORE MATERIALS OR PLACE ANY LOAD ON THE ROOF THAT EXCEED THIS

SPECIFIED DESIGN LIVE LOAD OF 30 POUNDS PER SQUARE FOOT.

17. THE CONTRACTOR SHALL COORDINATE THE WORK WITH OTHER TRADES INVOLVED WITH THE WORK TO

ENSURE PROPER SEQUENCING AND CONSTRUCTION.

18. THE CONTRACTOR SHALL SECURE ALL NECESSARY PERMITS PRIOR TO STARTING THE WORK.

19. THE BUILDING WILL BE OCCUPIED DURING THE CONSTRUCTION PERIOD. THE CONTRACTOR AND ITS

SUBCONTRACTORS SHALL COOPERATE WITH OWNER DURING CONSTRUCTION OPERATIONS TO MINIMIZE

CONFLICTS.

20. THE CONTRACTOR SHALL CONSTRUCT A 6-FOOT-TALL SITE ENCLOSURE FENCE THAT PREVENTS ACCESS INTO

THE WORK AREA.

21. ALL CONSTRUCTION AND/OR CONSTRUCTION ACTIVITIES SHALL BE COORDINATED WITH THE OWNER.

22. THE EXISTING MEANS OF EGRESS AND PEDESTRIAN WALKWAYS SHALL BE MAINTAINED AND PROTECTED FROM

THE WORK AT ALL TIMES BY OVERHEAD PROTECTION CANOPIES CONSTRUCTED BY THE CONTRACTOR. DURING THE WORK, THE CONTRACTOR SHALL PROVIDE FOR SAFE ACCESS AND EGRESS IN AND OUT OF THE BUILDING AT ALL TIMES. THE CONTRACTOR SHALL WORK WITH THE UNIVERSITY BUILDING OFFICIAL (UBO) ON PHASING AND/OR SEQUENCING PLANS TO ASSURE PEDESTRIAN SAFETY BOTH ENTERING AND EXITING THE BUILDING. THE CONTRACTOR SHALL PROVIDE PROPERLY ENGINEERED CONSTRUCTION SAFEGUARDS AND SHALL SUBMIT DOCUMENTATION TO THE UBO VALIDATING THE APPROPRIATENESS OF THE SAFEGUARDS AS PART OF OBTAINING A PERMIT FOR OVERHEAD WORK. THOSE SAFEGUARDS WILL BE INSPECTED BY THE BUILDING OFFICIAL AND MUST BE APPROVED PRIOR TO THE START OF OVERHEAD WORK. THE SAFEGUARDS MUST REMAIN IN-PLACE UNTIL ALL

OVERHEAD WORK IS RELEASED BY THE OWNER.

23. THE CONTRACTOR SHALL PROTECT AND MAINTAIN FIREFIGHTER ACCESS TO STANDPIPES AT EXTERIOR WALLS

AT ALL TIMES.

24. THE CONTRACTOR SHALL MAINTAIN EXISTING BUILDING IN A WEATHER TIGHT CONDITION THROUGHOUT

CONSTRUCTION PERIOD.

25. THE CONTRACTOR SHALL REMOVE, CLEAN, STORE, AND RE-INSTALL ALL EXISTING FIXTURES ATTACHED TO

MASONRY WALLS IN THE WORK AREA, INCLUDING BUT NOT LIMITED TO LIGHT FIXTURES.

26. THE CONTRACTOR SHALL LEAVE, INTACT AND UNDISTURBED, ELEMENTS THAT ARE TO REMAIN IN THE

EXISTING BUILDING AND ALL SERVICES SHALL REMAIN IN USE DURING THE WORK.

27. THE CONTRACTOR SHALL PROPERLY PROTECT AND MAKE SAFE ADJACENT PROPERTY AND BUILDING ELEMENTS

AS JOB CONDITIONS REQUIRE.

28. THE CONTRACTOR SHALL PROVIDE AND MAINTAIN EFFECTIVE, NON-STAINING PROTECTION FOR ADJACENT SURFACES AND AREAS BELOW THE WORK DURING PERFORMANCE OF THE WORK. PROTECT SURFACES FROM

DAMAGE AND FROM CONTACT WITH DROPPINGS FROM THE WORK.

29. THE CONTRACTOR SHALL PROTECT PEOPLE, MOTOR VEHICLES, AND SURFACES ADJACENT TO THE WORK BEING CONSTRUCTED, THE CONSTRUCTION SITE, PLANTS, AND SURROUNDING STRUCTURES FROM DUST, SPILLAGE, DEBRIS, AND INJURY RESULTING FROM THE WORK; AND SHALL PROVIDE METHODS AND PROCEDURES TO ENSURE

THAT NOTHING CAN DRIP ON THE PUBLIC.

30. THE CONTRACTOR SHALL PROVIDE EXHAUST VENTILATION AS NECESSARY TO PREVENT DUST AND FUMES

FROM REACHING THE PUBLIC.

31. THE CONTRACTOR SHALL CONTROL, COLLECT, AND LEGALLY DISPOSE OF SPILLAGE AND WASTE FROM

OPERATIONS.

32. THE CONTRACTOR SHALL MAINTAIN ITS PROTECTION SYSTEMS IN PLACE UNTIL COMPLETION OF THE WORK.

33. THE CONTRACTOR SHALL BE RESPONSIBLE FOR REPAIRING ANY DAMAGE TO THE EXISTING AND ADJACENT

CONSTRUCTION (BUILDING, SIDEWALKS, PARKING LOTS, CARS, AND LANDSCAPING) TO REMAIN THAT IS CAUSED BY THE WORK. ANY SUCH DAMAGE SHALL BE REPORTED TO THE OWNER AND ARCHITECT PRIOR TO REPAIRING THE

DAMAGE.

34. THE CONTRACTOR SHALL NOT UNREASONABLY ENCUMBER THE SITE WITH MATERIALS OR EQUIPMENT. THE

CONTRACTOR SHALL:

a. CONFINE THE MATERIALS AND EQUIPMENT TO THE AREAS INDICATED IN THE CONTRACT DOCUMENTS OR

BY THE DIRECTION OF THE OWNER.

b. NOT LOAD STRUCTURE WITH WEIGHT THAT WILL ENDANGER THE STRUCTURE.

c. MAINTAIN THE OPERATION OF THE ROOF DRAINS AND SCUPPERS AT ALL TIMES AND PROTECT DRAINS AND

SCUPPERS FROM CLOGGING.

d. ASSUME FULL RESPONSIBILITY FOR THE PROTECTION AND SAFEKEEPING OF PRODUCTS STORED ON

PREMISES.

e. MOVE STORED MATERIAL PRODUCTS THAT INTERFERE WITH OPERATIONS OF THE BUILDING.

35. THE CONTRACTOR SHALL INSTITUTE THE NECESSARY MEASURES TO PREVENT OR MINIMIZE DUST, FUMES, ODORS, DEBRIS, OR LIQUIDS FROM THIS PROJECT FROM ENTERING INTERIOR AND OTHER NON-CONSTRUCTION

AREAS OF THE BUILDING.

36. THE CONTRACTOR SHALL CLEANUP AND REMOVE CONSTRUCTION DEBRIS FROM THE BUILDING SITE DAILY TO

THE SATISFACTION OF THE OWNER.

37. THE CONTRACTOR SHALL MAINTAIN NOISE LEVELS FROM THE WORK TO A MINIMUM TO MINIMIZE DISRUPTIONS TO EXISTING BUILDING OPERATIONS. DELAYS DUE TO THE ADDRESSING OF NOISE COMPLAINTS ARE

NOT A BASIS FOR AN EXTRA CHARGE.

38. THE CONTRACTOR SHALL PROVIDE OWNER AND ARCHITECT COMPLETE ACCESS TO ALL WORK AREAS PRIOR

TO, DURING, AND AFTER COMPLETION OF, THE WORK.

39. THE OWNER AND/OR ARCHITECT MAY PERFORM QUALITY CONTROL TESTS ON A RANDOM BASIS TO EVALUATE THE WORK FOR CONFORMANCE TO THE CONTRACT DOCUMENTS. THE CONTRACTOR SHALL MAKE ACCESS AVAILABLE TO INSPECT AND TO TEST THE AREAS OF THE WORK SELECTED BY THE OWNER AND/OR ARCHITECT AND SHALL MAKE APPROPRIATE REPAIRS AFTER COMPLETION OF INSPECTION. DEFECTIVE WORK FOUND WILL BE

REPAIRED BY THE CONTRACTOR AT NO ADDITIONAL COST TO THE OWNER.

40. WHERE DISSIMILAR METALS WILL CONTACT EACH OTHER OR CORROSIVE SUBSTRATES, PROTECT AGAINST GALVANIC ACTION BY PAINTING CONTACT SURFACES WITH BITUMINOUS COATING OR BY APPLYING

SELF-ADHERING UNDERLAYMENT TO ONE CONTACT SURFACE.

EXISTING CONDITIONS

1. DETAILS OF THE EXISTING ROOFING AND EXTERIOR WALLS ON THE BUILDING THAT ARE SHOWN IN THE

CONSTRUCTION DOCUMENTS ARE BASED UPON LIMITED INSPECTIONS PERFORMED BY THE ARCHITECT AND HIS ASSOCIATES AND FROM AVAILABLE DRAWINGS OF THE BUILDING. INFORMATION SHOWN REGARDING EXISTING EXTERIOR WALLS IS BELIEVED TO BE ACCURATE BUT HAS NOT BEEN CONFIRMED AT ALL LOCATIONS OF THE WORK.

THE CONTRACTOR SHALL MEASURE AND VERIFY ALL DIMENSIONS AND EXISTING CONDITIONS PRIOR TO PROCEEDING WITH THE WORK SHOWN. THE CONTRACTOR SHALL INFORM THE OWNER AND ARCHITECT IN

WRITING OF ANY DISCREPANCIES FOUND.

2. UNANTICIPATED CONDITIONS ENCOUNTERED DURING THE COURSE OF THE WORK WHICH REQUIRE ADDITIONAL REPAIRS SHALL BE BROUGHT TO THE ATTENTION OF THE OWNER AND ARCHITECT IN WRITING. NO ADDITIONAL REPAIR WORK SHALL BE PERFORMED UNLESS APPROVED IN ADVANCE BY THE ARCHITECT AND OWNER.

REQUIRED CONTRACTOR SUBMITTAL

1. SUBMITTALS ARE ITEMS THAT THE CONTRACTOR IS REQUIRED TO PROVIDE TO THE ARCHITECT FOR REVIEW FOR

CONFORMANCE WITH THE CONSTRUCTION DOCUMENTS PRIOR TO CONSTRUCTION. THE PURPOSE OF THE

CONTRACTOR SUBMITTALS IS AS FOLLOWS:

a. ESTABLISH THE CONTRACTOR'S UNDERSTANDING OF THE CONSTRUCTION DOCUMENTS PRIOR TO

CONSTRUCTION.

b. TO GIVE THE CONTRACTOR THE OPPORTUNITY TO MAKE ADVANCE SUGGESTIONS FOR ALTERNATE

PRODUCTS.

c. TO GIVE THE CONTRACTOR THE OPPORTUNITY TO ADDRESS INSTALLATION DETAILS THAT MAY NOT BE

EXPLICITLY SHOWN IN THE CONTRACT DOCUMENTS.

d. TO HAVE THE CONTRACTOR CHECK THE AVAILABILITY OF SPECIFIED MATERIALS.

e. TO VERIFY CONFORMANCE OF SUBMITTED MATERIALS AND PRODUCTS TO CONTRACT DOCUMENTS.

2. SUBMITTALS INCLUDE, BUT ARE NOT LIMITED TO, THE FOLLOWING:

a. MATERIAL DATA SHEETS, CERTIFICATIONS, AND OTHER PERTINENT INFORMATION INCLUDING

INSTALLATION AND MAINTENANCE INSTRUCTIONS FROM MANUFACTURERS FOR SPECIFIED PRODUCTS OR

FOR CONTRACTOR REQUESTED ALTERNATE PRODUCTS.

b. TEST REPORTS AND CERTIFICATIONS SUBSTANTIATING PRODUCTS COMPLY WITH SPECIFIED

REQUIREMENTS.

c. PRODUCT SAMPLES.

d. CONTRACTOR GENERATED SKETCHES OR DRAWINGS (SHOP DRAWINGS) SHOWING ALL ASPECTS OF THE

INSTALLATION OF THE SPECIFIED PRODUCTS OR SYSTEMS.

3. THE CONTRACTOR SHALL SUBMIT SHOP DRAWINGS FOR REVIEW BY THE ARCHITECT THAT ARE PROJECT SPECIFIC

ONLY AND HAVE BEEN REVIEWED AND APPROVED BY THE MEMBRANE MANUFACTURER PRIOR TO SUBMISSION TO THE ARCHITECT. THE MANUFACTURERS' STANDARD DETAILS ARE NOT ADEQUATE TO CONVEY THE WORK ON THIS PROJECT AND WILL NOT BE ACCEPTED FOR SUBMISSION. THE ARCHITECT WILL REVIEW THE SHOP DRAWINGS FOR CONFORMANCE WITH THE CONSTRUCTION DOCUMENTS PRIOR TO FABRICATION OF ANY ITEMS. THE SHOP DRAWINGS SHALL BE SUBMITTED TO THE ARCHITECT FOR REVIEW AT LEAST TWO WEEKS PRIOR TO THE

BEGINNING OF THE RELATED PORTION OF THE WORK.

4. WHEN A SUBMITTAL OR PART OF A SUBMITTAL IS NOT IN CONFORMANCE WITH THE CONTRACT DOCUMENTS, THE CONTRACTOR SHALL CLEARLY POINT OUT, IN WRITING, IN THE SUBMITTAL, FOR THE ARCHITECT'S ATTENTION, THAT THE SUBMITTAL IS NOT IN CONFORMANCE WITH THE CONSTRUCTION DOCUMENTS.

5. THE CONTRACTOR SHALL PERFORM NO WORK RELATED TO ANY SUBMITTAL PRIOR TO RECEIVING A RESPONSE

FROM THE ARCHITECT THAT THE SUBMITTAL CONFORMS TO THE CONSTRUCTION DOCUMENTS.

MOCK-UP

1. THE CONTRACTOR SHALL CONSTRUCT THE ON-THE-BUILDING MOCK-UP OF THE ABOVE REPAIR OF THE EXISTING

HOKIE STONE VENEER ON EXTERIOR PENTHOUSE WALLS AT THE LOCATION SHOWN ON THE DRAWINGS

(MOCK-UP).

SCOPE OF WORK

1. PRIOR TO BEGINNING WORK:

a. PHOTOGRAPH AND DOCUMENT THE EXISTING CONDITION OF THE BUILDING EXTERIOR AND ANY INTERIOR

SPACES THAT WILL BE ACCESSED DURING THE WORK.

b. RUN WATER THROUGH EACH ROOF DRAIN TO CONFIRM THE DRAINS AND DRAINPIPES ARE CLEAR AND

FLOWING FREELY.

2. ON PARAPET WALLS: INSTALL NEW REMOVEABLE COUNTERFLASHINGS (FABRICATED BY OTHERS) IN THE EXISTING

COPING CAP RECEIVERS.

3. ON SCREEN WALLS:

a. REMOVE EXISTING EPDM ROOFING MEMBRANE FROM THE BACK SIDE OF THE SCREEN WALLS.

b. REMOVE AND REPLACE WATER-DAMAGED EXTERIOR GYPSUM SHEATHING.

c. AT CONCEALED STEEL FRAMING INSIDE THE SCREEN WALLS, REMOVE SURFACE CORROSION, CLEAN, PRIME, AND COAT THE STEEL WHERE NEEDED.

d. AT EXPOSED STEEL FRAMING OUTSIDE THE SCREEN WALLS, CLEAN, PRIME AND COAT THE ALL OF THE

EXPOSED STEEL.

e. INSTALL NEW WEATHER RESISTIVE BARRIER INCLUDING HIGH TEMPERATURE UNDERLAYMENT ON THE

BEAM ENCLOSURES.

f. INSTALL NEW FURRING CHANNELS AND SHEET METAL WALL PANELS ON THE BACK SIDE OF THE SCREEN

WALLS.

4. LIGHTNING PROTECTION:

a. TEMPORALLY RELOCATE LIGHTNING PROTECTION CABLES FOR CONSTRUCTION.

b. REINSTALL THE LIGHTNING PROTECTION CABLES.

c. RECERTIFY THE LIGHTNING PROTECTION SYSTEM AT THE COMPLETION OF THE PROJECT.

5. DISPOSE OF THE EXISTING ROOFING:

a. REMOVE AND PROPERLY DISPOSE OF THE EXISTING ROOFING SYSTEM INCLUDING GRAVEL BALLAST, EPDM

MEMBRANE, XPS INSULATION AND THERMAL BARRIER.

b. DELIVER STONE BALLAST TO VT'S LANDFILL AT PRICE'S FORK ROAD AND 460.

c. REMOVE ABANDONED CURBS AND OTHER ROOF TOP EQUIPMENT IDENTIFIED BY VIRGINIA TECH.

6. AT ROOF DRAINS:

a. IF ONE OR MORE CLAMPING RING BOLTS BREAK OR CANNOT BE REMOVED, RETAP ALL FOUR FASTENER

HOLES AND INSTALL NEW BOLTS.

b. INSTALL NEW ADJUSTABLE DRAIN EXTENSION TO ACCOMMODATE THE INCREASED THERMAL INSULATION.

7. AT SELECT HOKIE STONE RISING WALLS:

a. REMOVE THE EXISTING HOKIE STONE, SALVAGE AND CATALOG IT FOR REINSTALLATION

b. RAISE THE EXISTING SHEET METAL THROUGH-WALL FLASHING

c. REINSTALL THE EXISTING HOKIE STONE

8. INSTALL NEW ROOFING ON METAL ROOF DECKS:

a. MECHANICALLY FASTEN A GYPSUM THERMAL BARRIER BOARDS TO THE METAL DECK WITH FASTENERS

SPACED TO MEET THE PROJECT WIND UPLIFT REQUIREMENTS. FASTEN BOARDS TO THE TOP FLUTE IN THE

METAL DECK ONLY, UNLESS APPROVED BY THE ARCHITECT.

b. INSTALL NEW SELF-ADHERING AIR-VAPOR BARRIER.

c. INSTALL NEW R-20 OR R-30 POLYISOCYANURATE INSULATION OR TAPERED POLYISOCYANURATE

INSULATION ``WITH ¼” PER FOOT SLOPE IN RIBBONS OF POLYURETHANE FOAM ADHESIVE SPACED TO

MEET THE PROJECT WIND UPLIFT REQUIREMENTS.

d. INSTALL NEW COVER BOARDS IN RIBBONS OF POLYURETHANE FOAM ADHESIVE SPACED TO MEET THE

PROJECT WIND UPLIFT REQUIREMENTS.

e. INSTALL NEW 60-MIL BLACK EPDM MEMBRANE AND RELATED FLASHINGS IN LOW VOC SOLVENT-BASED

ADHESIVE.

f. EXTEND FLASHINGS A MINIMUM OF 8-INCHES ABOVE THE FINISHED ROOF. APPLY SEALANT BEHIND THE LEADING EDGE OF THE FLASHING AND MECHANICALLY ANCHOR THE LEADING EDGE WITH A TERMINATION

BAR. APPLY SEALANT ALONG THE TOP OF THE TERMINATION BAR.

g. INSTALL NEW WALKWAY-PADS.

9. WARRANTIES:

a. PROVIDE A 2-YEAR CONTRACTOR'S WARRANTY COVERING ALL DEFECTS IN MATERIALS AND

WORKMANSHIP.

b. PROVIDE A 20-YEAR NO-DOLLAR LIMIT, NON-PRORATED MANUFACTURER'S WARRANTY COVERING ALL

DEFECTS IN MATERIALS.

#1

EXIT

EXIT

EX

IT

EXIT

PROVIDE

HIGH-BAY

CANOPY AT

OVERHEAD

DOOR

EXIT EXITEXIT

MAINTAIN RAMP ACCESS OR

COORDINATE ALTERNATE

ACCESSIBLE ACCESS PATH

WITH OWNER

EX

IT

MAINTAIN RAMP ACCESS OR

COORDINATE ALTERNATE

ACCESSIBLE ACCESS PATH

WITH OWNER

FDC

FDC

OVERHEAD

PROTECTION

POTENTIAL

MATERIAL

LAY-DOWN

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

Client

Consultants

2"1"1/2"0

THIS SHEET PLOTS FULL SIZE

AT 24x36 (INCHES)

Pl ott ed : 4

/15 /20

3:

P

M by

A sp in, Ja so n

F ile

N am e:

p:\

\20

.6x xx

\20

.66

.0

- c ds to rg er se n h all re ro of.

irc \D ra wi ng s\S he ets

\G -0

C on str uc tio n S tag ing P lan .dw g

C op yri gh t 2

6.

A ll r igh ts re se rve d.

N o p ar t o f th is do cu me nt ma y b e r ep ro du ce d i n a ny fo rm or by an y m ea ns w ith ou t p er mi ss ion fr om W iss

Ja nn ey , E lst ne r A ss oc iat es , In c.

(W

JE

W

JE

di sc lai ms an y r es po ns ibi lity fo r it s u na uth or ize d u se

Sheet No.

Sheet Title

Scale

Checked

Drawn

Date

Project No.

DateMark Description

Project

F

E

D

C

B

A

F

E

D

C

B

A

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

620 Drillfield Drive Blacksburg, Virgina 24061

Virginia PolyTechnic Institute and State University

VT Facilities Department

GM/JAA

February 27, 2026

As Noted

IRC/LRM

Construction Staging Plan

G-003

NOTES:

1. CONTRACTOR TO MAINTAIN ACCESS TO ALL BUILDING ENTRANCES DURING THE WORK.

2. TEMPORARY CLOSURE OF AN ENTRANCE TO BE COORDINATED WITH OWNER

3. PROVIDE PEDESTRIAN CANOPIES TO PROTECT FROM OVERHEAD WORK. ALL OVERHEAD PROTECTION IS A

DELEGATED DESIGN. EXTENTS SHOWN ON SHEET G-102 ARE FOR GENERAL SCOPE ONLY.

4. PROVIDE CONSTRUCTION FENCING AT ALL AREAS OF WORK.

5. MAINTAIN FIRE DEPARTMENT ACCESS TO EXISTING FIRE DEPARTMENT CONNECTION POINTS (FDC)

THROUGHOUT THE PROJECT.

6. USE OF POTENTIAL MATERIAL LAY-DOWN AREAS SHALL BE COORDINATED WITH THE PROGRESS OF THE WORK. ALL LAY-DOWN AREAS SHALL NOT BE IN USE SIMULTANEOUSLY UNLESS OTHERWISE AGREED TO BY

THE OWNER.

7. CONTRACTOR TO RESTORE LAY-DOWN AREAS TO PRE-CONSTRUCTION CONDITION.

LEGEND:

1 SCALE: 9/256" = 1'-0"

Construction Staging and Egress Plan

ROOF DROOF A

ROOF G

ROOF H

ROOF E

ROOF C

ROOF F

ROOF J

ROOF K ROOF M

ROOF L

ROOF N ROOF O

ROOF B

28'-0"

'-0

'-0

16'-0"

9' -8

'-0

28'-0"

'-0

'-0

16'-0" 34'-7"12'-0" 12'-0"

'-7

'-0

'-0

32'-0" 21'-8" 32'-0"

28'-0"

16'-0"

'-0

'-0

'-0

9'

-8

'-0

'-6

'-0

20'-0"11'-11"

12'-0"16'-11"

'-0

"16 '-0

12'-0"16'-11"

'-0

'-0

"32 '-0

44'-10"

7'-11"

8'-0"

11'-2"

'-0

'-3

6'-0"

6' -0

" 3' -0

6'-0"

6' -0

3'-0"

3'-0"

3'-0"

3' -0

3' -0

ROOF O ROOF P

'-0

'-6

'-0

20'-0" 11'-11"

ROOF Q

KEY

WIND UPLIFT RESISTANCE: PROVIDE ROOFING SYSTEM THAT IS IDENTICAL TO SYSTEMS THAT

HAVE BEEN SUCCESSFULLY TESTED BY QUALIFIED TESTING AGENCY TO RESIST THE WIND

UPLIFT PRESSURES AND FM RATINGS LISTED IN THE TABLE BELOW.

ZONE 1' - INTERIOR OF FIELD

ZONE 2 - PERIMETERS

ZONE 3 - CORNERS

WIND UPLIFT PRESSURES (IN PSF) CALCULATED USING FM GLOBAL ROOF NAV

ALL OTHER ROOFS

NA

ROOF F

1'

ZONES

-37 psf (1-75)

-79 (1-165)

NA

-42 psf (1-90)

-75 psf (1-165) 2 -58 psf (1-120) -55 psf (1-120)

ZONE 1 - EXTERIOR OF FIELD

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

Client

Consultants

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THIS SHEET PLOTS FULL SIZE

AT 24x36 (INCHES)

Pl ott ed : 4

/15 /20

3:

P

M by

A sp in, Ja so n

F ile

N am e:

p:\

\20

.6x xx

\20

.66

.0

- c ds to rg er se n h all re ro of.

irc \D ra wi ng s\S he ets

\G -0

W ind U pli ft D iag ra m.

dw g

C op yri gh t 2

6.

A ll r igh ts re se rve d.

N o p ar t o f th is do cu me nt ma y b e r ep ro du ce d i n a ny fo rm or by an y m ea ns w ith ou t p er mi ss ion fr om W iss

Ja nn ey , E lst ne r A ss oc iat es , In c.

(W

JE

W

JE

di sc lai ms an y r es po ns ibi lity fo r it s u na uth or ize d u se

Sheet No.

Sheet Title

Scale

Checked

Drawn

Date

Project No.

DateMark Description

Project

F

E

D

C

B

A

F

E

D

C

B

A

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

620 Drillfield Drive Blacksburg, Virgina 24061

Virginia PolyTechnic Institute and State University

VT Facilities Department

GM/JAA

February 27, 2026

As Noted

LRM/IRC

Wind Uplift Diagram

G-0041 SCALE: 1/16" = 1'-0"

Wind Uplift Diagram

2 SCALE: 1/16" = 1'-0"

Wind Uplift Diagram - South End

M

AT

C H

L

IN

E M

AT

C

H L

IN

E

M

AT

C H

L

IN

E M

AT

C

H L

IN

E

ROOF A

ROOF H

ROOF E

ROOF D

ROOF B

ROOF J

ROOF F

ROOF C

ROOF M

ROOF K

ROOF L

ROOF N

ROOF O

ROOF P

ROOF Q

'-0

32'-5"

'-3

229'-4"

'-8

64'-4" 85'-8" 75'-5"

'-0

24'-10" 150'-0" 37'-10" 39'-2"

'-3

'-4

1 2"

72'-9" 16'-7"

6'

-0

42'-11 2"

2'

-1 1"

64'-5"

'-5

61'-5" 140'-6" 61'-5" 11'-111 2"

'-0

'-1

0"

RDOD

RD

RD

RD

OD

OD

P

P

L

L

L

L

L

RD

P

P

RD OD

L LL L L L L L

RD RD RD

RD

OD

VSP

RD

LL L

LL L

L

L

L

RD

RD

HS

HS

VS

P P

P

P P

P

L L L L L L L L L L L L

RD

RD RD RD

P

VS

P P

VS

L L L

L L L

L

L L L

L

L

L L L L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

RD OD

P

P

RD OD

RD

P

L LL L

L LL L

L

L

P

P

VS

RD

RD RD

L

L

L

L

L

P

P

RD

RD

P

VS

RD

P

VS

RD

P

P

RD

OD

P

OD

OD

RDRD

RD

P

P

LL

L

LL

L

LL

RD

OD

RD

OD

RD

RD

RD

RD

P P

P

PP

PP

P

L L L L

L L L L

L L

L L

OD

RD RD

RD

P

P

P

RD

RD

OD

VS

OD

OD

OD

OD

OD

RD

PAVERS TO BE

REMOVED?

ENCLOSED

AHU

ENCLOSED

AHU

ENCLOSED

AHU

ENCLOSED

AHU

ENCLOSED

AHU

N .I.

C

EX

PA

N

SI

O N

J O

IN

T

EX

PA

N

SI

O N

J O

IN

T

EX

PA

N

SI

O N

J O

IN

T

EX

PA

N

SI

O N

J O

IN

T

CLEAN, PREPARE AND COAT ALL

EXTG. EXPOSED, OVERHEAD STEEL BEAMS

(TYP).

CLEAN, PREPARE AND COAT EXTG.

CONCEALED STEEL COLUMNS AS NEEDED

CLEAN, PREPARE AND COAT ALL

EXTG. EXPOSED, OVERHEAD STEEL BEAMS

(TYP).

CLEAN, PREPARE AND COAT EXTG.

CONCEALED STEEL COLUMNS AS NEEDED

CLEAN, PREPARE AND COAT ALL

EXTG. EXPOSED, OVERHEAD STEEL BEAMS

(TYP).

CLEAN, PREPARE AND COAT EXTG.

CONCEALED STEEL COLUMNS AS NEEDED

LEGEND

ROOF DRAIN

OVERFLOW DRAIN

PENETRATION

LIGHTENING TERMINAL

HOT STACK

VENT STACK

EQUIPMENT CURB

EXHAUST FAN

HATCH

LADDER - REMOVE AND REINSTALL

CRENELLATION W/ NEW TAPERED

INSULATION SUMP

WALKWAY PAD

RD

OD

VS

P

L

HS

DETAIL

9 / A-501

9 / A-501

4, 5, 6 / A-502

3 / A-502

1, 2 / A-502

#, #, 8 / A-501

10, 11 / A-501

# / A-501

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

Client

Consultants

2"1"1/2"0

THIS SHEET PLOTS FULL SIZE

AT 24x36 (INCHES)

Pl ott ed : 4

/15 /20

3:

P

M by

A sp in, Ja so n

F ile

N am e:

p:\

\20

.6x xx

\20

.66

.0

- c ds to rg er se n h all re ro of.

irc \D ra wi ng s\S he ets

\A -1

O ve ra ll R oo f P lan

.dw g

C op yri gh t 2

6.

A ll r igh ts re se rve d.

N o p ar t o f th is do cu me nt ma y b e r ep ro du ce d i n a ny fo rm or by an y m ea ns w ith ou t p er mi ss ion fr om

W iss

Ja nn ey

, E lst ne r A ss oc iat es

, In c.

(W

JE

W

JE

di sc lai ms an y r es po ns ibi lity fo r it s u na uth or ize d u se

Sheet No.

Sheet Title

Scale

Checked

Drawn

Date

Project No.

DateMark Description

Project

F

E

D

C

B

A

F

E

D

C

B

A

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

620 Drillfield Drive Blacksburg, Virgina 24061

Virginia PolyTechnic Institute and State University

VT Facilities Department

GM/JAA

February 27, 2026

As Noted

LRM/IRC

Overall Roof Plan

A-101

1 SCALE: 13/256" = 1'-0"

Overall Roof Plan N

A-102

A-103

A-104

ROOF A

ROOF H

ROOF E

ROOF D

ROOF B

ROOF J

ROOF F

'-0

32'-5"

'-3

229'-4"

'-8

64'-4" 85'-8" 75'-5"

'-0

24'-10" 150'-0" 37'-10" 39'-2"

'-3

P

RD

P

P

RD OD

L LL L L L L L

RD RD RD

RD

OD

VSP

RD

LL L

LL L

L

L

L

RD

RD

HS

HS

VS

P P

P

P P

P

L L L L L L L L L L L L

RD

RD RD RD

P

VS

P P

VS

L L L

L L L

L

L L L

L

L

L L L L

L

L

L

RD OD

P

L

L

P

RD

P

VS

RD

P

P

RD

OD

P

OD

OD

RDRD

RD

P

P

LL

L

LL

L

LL

RD

OD

RD

OD

RD

RD

OD

OD

PAVERS TO BE

REMOVED?

ENCLOSED

AHU

EX

PA

N

SI

O N

J O

IN

T

EX

PA

N

SI

O N

J O

IN

T

EX

PA

N

SI

O N

J O

IN

T

CLEAN, PREPARE AND COAT ALL

EXTG. EXPOSED, OVERHEAD STEEL BEAMS

(TYP).

CLEAN, PREPARE AND COAT EXTG.

CONCEALED STEEL COLUMNS AS NEEDED

LEGEND

ROOF DRAIN

OVERFLOW DRAIN

PENETRATION

LIGHTENING TERMINAL

HOT STACK

VENT STACK

EQUIPMENT CURB

EXHAUST FAN

HATCH

LADDER - REMOVE AND REINSTALL

CRENELLATION W/ NEW TAPERED

INSULATION SUMP

WALKWAY PAD

RD

OD

VS

P

L

HS

DETAIL

9 / A-501

9 / A-501

4, 5, 6 / A-502

3 / A-502

1, 2 / A-502

#, #, 8 / A-501

10, 11 / A-501

# / A-501

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

Client

Consultants

2"1"1/2"0

THIS SHEET PLOTS FULL SIZE

AT 24x36 (INCHES)

Pl ott ed : 4

/15 /20

3:

P

M by

A sp in, Ja so n

F ile

N am e:

p:\

\20

.6x xx

\20

.66

.0

- c ds to rg er se n h all re ro of.

irc \D ra wi ng s\S he ets

\A -1

R oo f P lan

Ar ea

A .dw g

C op yri gh t 2

6.

A ll r igh ts re se rve d.

N o p ar t o f th is do cu me nt ma y b e r ep ro du ce d i n a ny fo rm or by an y m ea ns w ith ou t p er mi ss ion fr om W iss

Ja nn ey , E lst ne r A ss oc iat es , In c.

(W

JE

W

JE

di sc lai ms an y r es po ns ibi lity fo r it s u na uth or ize d u se

Sheet No.

Sheet Title

Scale

Checked

Drawn

Date

Project No.

DateMark Description

Project

F

E

D

C

B

A

F

E

D

C

B

A

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

620 Drillfield Drive Blacksburg, Virgina 24061

Virginia PolyTechnic Institute and State University

VT Facilities Department

GM/JAA

February 27, 2026

As Noted

LRM/IRC

Roof Plan - Area A

A-102

1 SCALE: 3/32" = 1'-0"

Roof Plan - Area A N

2 SCALE: 3/32" = 1'-0"

Key Plan

A-504

A-504 1A-504

A-504 3 A-503

A-503

A-503

A-503

A-503

A-503

A-503

A-503

CLERESTORY

WINDOW

PRECAST

RISING WALL

A-503

A-503

A-503

A-503

A-503

A-504

A-503

A-503

A-503

A-503

A-504

A-503

A-503

A-503

A-503

A-503

A-503

A-503

PRECAST

RISING WALL

CLERESTORY

WINDOW

A-501

A-501

A-501

A-501

SIM

A-505

A-505

A-505

A-505

A-505

A-505

A-505

A-505

A-505 1 A-505

SIM

SIM

SIM

SIM

SIM

ROOF J

ROOF F

ROOF C

ROOF M

ROOF K

ROOF L

ROOF N

'-4

1 2"

72'-9" 16'-7"

6'

-0

42'-11 2"

2'

-1 1"

64'-5"

'-5

RD

RD

RD

OD

OD

P

P

L

L

L

L

L

RD

P

P

RD OD

L

RD

OD

L L L L L

RD RD

P

P

VS

L L L

L L L

L

L L L

L

L

L L L L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

RD OD

P

P

RD OD

RD

P

L LL L

L LL L

L

L

P

P

VS

RD

RD RD

L

L

L

L

L

P

P

RD

RD

P

VS

RD

P

VS

RD

P

P

RD

OD

P

OD

RD

L

RD

RD

P P

P

PP

PP

P

OD

OD

OD

OD

ENCLOSED

AHU

ENCLOSED

AHU

LEGEND

ROOF DRAIN

OVERFLOW DRAIN

PENETRATION

LIGHTENING TERMINAL

HOT STACK

VENT STACK

EQUIPMENT CURB

EXHAUST FAN

HATCH

LADDER - REMOVE AND REINSTALL

CRENELLATION W/ NEW TAPERED

INSULATION SUMP

WALKWAY PAD

RD

OD

VS

P

L

HS

DETAIL

9 / A-501

9 / A-501

4, 5, 6 / A-502

3 / A-502

1, 2 / A-502

#, #, 8 / A-501

10, 11 / A-501

# / A-501

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

Client

Consultants

2"1"1/2"0

THIS SHEET PLOTS FULL SIZE

AT 24x36 (INCHES)

Pl ott ed : 4

/15 /20

3:

P

M by

A sp in, Ja so n

F ile

N am e:

p:\

\20

.6x xx

\20

.66

.0

- c ds to rg er se n h all re ro of.

irc \D ra wi ng s\S he ets

\A -1

R oo f P lan

Ar ea

B .dw g

C op yri gh t 2

6.

A ll r igh ts re se rve d.

N o p ar t o f th is do cu me nt ma y b e r ep ro du ce d i n a ny fo rm or by an y m ea ns w ith ou t p er mi ss ion fr om W iss

Ja nn ey , E lst ne r A ss oc iat es , In c.

(W

JE

W

JE

di sc lai ms an y r es po ns ibi lity fo r it s u na uth or ize d u se

Sheet No.

Sheet Title

Scale

Checked

Drawn

Date

Project No.

DateMark Description

Project

F

E

D

C

B

A

F

E

D

C

B

A

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

620 Drillfield Drive Blacksburg, Virgina 24061

Virginia PolyTechnic Institute and State University

VT Facilities Department

GM/JAA

February 27, 2026

As Noted

LRM/IRC

Roof Plan - Area B

A-103

1 SCALE: 3/32" = 1'-0"

Roof Plan - Area B N

2 SCALE: 3/32" = 1'-0"

Key Plan

A-503

A-503

A-503

A-503

A-503

A-503

A-503

A-503

A-503

A-503

A-503

A-503

A-503

A-503

PRECAST

RISING WALL

CLERESTORY

WINDOW

A-503

A-503

A-503

A-503

A-503

A-503

A-503

A-503

60'-5"

RAISE THROUGH WALL FLASHING

IN HOKIE STONE RISING WALL

'-4

1 2"

R

AI

SE

T

H R

O U

G H

W

AL

L

FL

AS

H

IN

G

IN

H

O

KI

E

ST

O N

E R

IS

IN

G W

AL

L

13'-5"

RAISE THROUGH WALL FLASHING

IN HOKIE STONE RISING WALL

8' -0

M O

C K-

U P

PROPOSED MOCK-UP LOCATION FOR THE

RAISED THROUGH WALL FLASHING REPAIR

THE NEW ROOFING SYSTEM ON ROOF C

IS TO HAVE R-20 INSULATION

#1

#1 #1

ROOF N

ROOF O

ROOF P

ROOF Q

61'-5" 140'-6" 61'-5" 11'-111 2"

'-0

'-1

0"

RDOD

RD

RD

P P

P

PP

PP

P

L L L L

L L L L

L L

L L

OD

RD RD

RD

P

P

P

RD

RD

OD

VS

OD

RDENCLOSED

AHU

ENCLOSED

AHU

ENCLOSED

AHU

ENCLOSED

AHU

N .I.

C

EX

PA

N

SI

O N

J O

IN

T

CLEAN, PREPARE AND COAT ALL

EXTG. EXPOSED, OVERHEAD STEEL BEAMS

(TYP).

CLEAN, PREPARE AND COAT EXTG.

CONCEALED STEEL COLUMNS AS NEEDED

CLEAN, PREPARE AND COAT ALL

EXTG. EXPOSED, OVERHEAD STEEL BEAMS

(TYP).

CLEAN, PREPARE AND COAT EXTG.

CONCEALED STEEL COLUMNS AS NEEDED

LEGEND

ROOF DRAIN

OVERFLOW DRAIN

PENETRATION

LIGHTENING TERMINAL

HOT STACK

VENT STACK

EQUIPMENT CURB

EXHAUST FAN

HATCH

LADDER - REMOVE AND REINSTALL

CRENELLATION W/ NEW TAPERED

INSULATION SUMP

WALKWAY PAD

RD

OD

VS

P

L

HS

DETAIL

9 / A-501

9 / A-501

4, 5, 6 / A-502

3 / A-502

1, 2 / A-502

#, #, 8 / A-501

10, 11 / A-501

# / A-501

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

Client

Consultants

2"1"1/2"0

THIS SHEET PLOTS FULL SIZE

AT 24x36 (INCHES)

Pl ott ed : 4

/15 /20

3:

P

M by

A sp in, Ja so n

F ile

N am e:

p:\

\20

.6x xx

\20

.66

.0

- c ds to rg er se n h all re ro of.

irc \D ra wi ng s\S he ets

\A -1

R oo f P lan

Ar ea

C .dw g

C op yri gh t 2

6.

A ll r igh ts re se rve d.

N o p ar t o f th is do cu me nt ma y b e r ep ro du ce d i n a ny fo rm or by an y m ea ns w ith ou t p er mi ss ion fr om W iss

Ja nn ey , E lst ne r A ss oc iat es , In c.

(W

JE

W

JE

di sc lai ms an y r es po ns ibi lity fo r it s u na uth or ize d u se

Sheet No.

Sheet Title

Scale

Checked

Drawn

Date

Project No.

DateMark Description

Project

F

E

D

C

B

A

F

E

D

C

B

A

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

620 Drillfield Drive Blacksburg, Virgina 24061

Virginia PolyTechnic Institute and State University

VT Facilities Department

GM/JAA

February 27, 2026

As Noted

LRM/IRC

Roof Plan - Area C

A-104

N1 SCALE: 3/32" = 1'-0"

Roof Plan - Area C

2 SCALE: 3/32" = 1'-0"

Key Plan

A-503

A-503

A-503

A-503

A-503

A-503

A-504

A-501

A-501

SIM

SIM

A-501

SIM

A-501

SIM

A-505

A-505

A-505

A-505

A-505

A-505

A-505

A-505

EXTG R-20, 14:12 TAPERED XPS INSULATION

TO BE REMOVED

EXTG 58" GYPSUM SUBSTRATE BOARD

TO BE REMOVED

EXTG METAL DECK

TO REMAIN

EXTG LOOSE LAID EPDM ROOFING

MEMBRANE TO BE REMOVED

EXTG CRUSHED STONE BALLAST TO BE

REMOVED AND DELIVERED TO VT'S LANDFILL

AT PRICE'S FORK ROAD AND 460

NEW 12" DENS-DECK PRIME COVER BOARD IN

LOW RISE POLYRUETHANE FOAM ADHESIVE

NEW R-30, 14:12 TAPERED

POLYISOCYANURATE INSULATION IN LOW

RISE POLYURETHANE FOAM ADHESIVE

NEW SELF-ADHERING AIR/VAPOR BARRIER

(SHOWN DASHED)

NEW 58" GYPSUM SUBSTRATE BOARD

MECHANICALLY ATTACHED TO THE TOP

FLUTES OF THE EXTG METAL DECK, DO NOT

FASTEN TO THE BOTTOM FLUTES

EXTG (FLAT) METAL DECK

NEW ADHERED 60 MIL EPDM ROOFING

MEMBRANE

2'-0"

TAPERED INSULATION SUMP

NEW ADJUSTABLE DRAIN EXTENSION

APPLY WATER CUTOFF SEALANT BETWEEN

DRAIN EXTENSION AND EPDM ROOFING

MEMBRANE

CUT A HOLE IN THE EPDM MEMBRANE THAT IS

LARGER IN DIAMETER THAN THE DRAIN PIPE

AND AT LEAST 1" INSIDE THE CLAMPING RING

NEW CLAMPING RING, BOLTS AND STRAINER

(IF EXISTING BOLTS ARE BROKEN OR CANNOT

BE REMOVED, DRILL OUT BOLTS AND RETAP

DRAIN)

SPRAY FOAM INSULATION BETWEEN DRAIN

BODY AND INSULATION BOARDS

FASTENERS AND SEAM PLATES

AT 12 INCH CENTERS MAX

NEW DOUGLAS FIR OR SOUTHERN

YELLOW PINE 2x4 AND 2x6

NAILERS FASTENED AT 12 INCH

CENTERS (INCLUDE UP TO TWO

LAYERS OF EXTERIOR GRADE

PLYWOOD AS NEEDED TO MATCH

INSULATION HEIGHT)

NEW DOUGLAS FIR OR SOUTHERN YELLOW PINE

2x6 NAILER, WITH #12, 2.5" LONG SELF-DRILLING

SCREWS IN TWO STAGGERED ROWS EACH AT 18"

CENTERS (12" CENTERS WITHIN 16'-0" OF

CORNERS) (MIN 4 PER SIDE)

NEW DOUGLAS FIR OR SOUTHERN YELLOW

PINE 2x12 W TWO OFFSET ROWS OF

FASTENERS AT 12 INCH CENTERS

ADHERE NEW EPDM FLASHING WITH BONDING

ADHESIVE AND PRESS INTO PLACE WITH A

HAND ROLLER

PRESSURE SENSITIVE TAPE

4"

FASTENERS AT 8" CENTERS

(MINIMUM 2 PER SIDE)

FLASH AIR/VAPOR BARRIER UP

ALL NAILERS (TYP)

TERMINATION BAR WITH TWO (2)

SCREWS PER SIDE (MIN) (6/A-501)

SHEET METAL SCREWS WITH

SEALING WASHERS AT 12" ON

CENTER (MINIMUM 2 PER SIDE)

NEW 26 GA S.S. SLIP METAL

STYLE COUNTERFLASHING

REMOVE AND REINSTALL

EXISTING EXHAUST FAN ON

NEW WOOD NAILERS TO MATCH

HEIGHT OF NEW INSULATION

3"

TERMINATION BAR WITH TWO (2)

SCREWS PER SIDE (MIN) (6/A-501)

SHEET METAL SCREWS WITH SEALING

WASHERS AT 12" ON CENTER (MINIMUM 2 PER

SIDE)

NEW 26 GA S.S. SLIP METAL STYLE

COUNTERFLASHING

EXTG MECHANICAL EQUIPMENT

THAT CAN NOT BE RAISED

FOR EQUIPMENT THAT CAN

NOT BE RAISED, INSTALL

NEW INSULATION AND

COVER BOARD ABOVE EXTG

CURBS (IF FLASHING

HEIGHT BECOMES LESS

THAN 5" NOTIFY ARCHITECT

AND CONSIDER REVISING

THE TAPERED INSULATION

LAYOUT OR ADDING DRAINS)

5"

NEW 12" DENS-DECK PRIME COVER BOARD IN

LOW RISE POLYRUETHANE FOAM ADHESIVE

NEW R-30 POLYISOCYANURATE INSULATION

IN LOW RISE POLYURETHANE FOAM

ADHESIVE

NEW SELF-ADHERING AIR/VAPOR BARRIER

(SHOWN DASHED)

NEW 58" GYPSUM SUBSTRATE BOARD

MECHANICALLY ATTACHED TO THE TOP

FLUTES OF THE EXTG METAL DECK, DO NOT

FASTEN TO THE BOTTOM FLUTES

EXTG (SLOPED) METAL DECK

NEW ADHERED 60 MIL EPDM ROOFING

MEMBRANE

NEW TERMINATION BAR WITH CONCRETE

SCREWS AT 12" CENTERS AND A

CONTINUOUS TOOLED BEAD OF SEALANT

WATER CUT OFF MASTIC (BUTYL SEALANT)

BEHIND THE TOP LEADING EDGE OF THE

EPDM MEMBRANE

NEW TERMINATION BAR WITH CONCRETE

SCREWS AT 12" CENTERS (SEE TABLE FOR

INTERMEDIATE FASTENER SPACING)

6"

SELF-ADHERING EPDM FLASHING MEMBRANE

LAP SEALANT

WALL HEIGHT

LESS THAN 3'

UP TO 5' TALL

UP TO 10' TALL

INTERMEDIATE FASTENER REQUIREMENT

NO INTERMEDIATE FASTENERS REQUIRED

INTERMEDIATE FASTENERS AT MID HEIGHT

OF WALL

AT 3' CENTERS

FLEXIBLE MEMBRANE TO

RETAIN BATT INSULATION

FILL WITH BATT

INSULATION

PRESSURE SENSITIVE TAPE

FASTENERS AND SEAM PLATES

AT 12 INCH CENTERS MAX

NEW DOUGLAS FIR OR SOUTHERN YELLOW PINE

2x NAILERS WITH 10d 3" NAILS IN TWO

STAGGERED ROWS AT 18" CENTERS

FASTENERS W/ WASHERS AT 12" CENTERS

BACKER ROD WITH DIAMETER EQUAL TO 1.5

TIMES THE EXPANSION JOINT WIDTH

ADHERED EPDM MEMBRANE FLASHING

(LOOSE LAID OVER BACKER ROD)

NEW DOUGLAS FIR OR SOUTHERN YELLOW PINE

2x6 NAILERS, WITH #12, 2.5" LONG SELF-DRILLING

SCREWS IN TWO STAGGERED ROWS EACH AT 18"

CENTERS (12" CENTERS WITHIN 12'-0" OF WALLS).

FASTEN TO THE TOP FLUTES IN THE EXTG METAL

DECK, DO NOT FASTEN TO THE BOTTOM FLUTES

2" M

IN

TURN NEW AIR/VAPOR BARRIER UP WALL TO

TOP OF INSULATION

SE

E

TY

PI

C

AL

D

ET

AI

LS

NEW 6" WIDE, REINFORCED MEMBRANE

ATTACHMENT STRIP WITH NAIL-IN ANCHORS

AND SEAM PLATES AT 12" CENTERS MAX

ADHERE NEW EPDM FLASHING WITH BONDING

ADHESIVE AND PRESS INTO PLACE WITH A

HAND ROLLER

ADHERE NEW EPDM FLASHING WITH BONDING

ADHESIVE AND PRESS INTO PLACE WITH A

HAND ROLLER

NAIL-IN ANCHORS AND SEAM PLATES

AT 12" CENTERS MAX

SE

E

TY

PI

C

AL

D

ET

AI

LS

NEW PRESSURE SENSITIVE TAPE

TURN NEW AIR/VAPOR BARRIER UP WALL TO

TOP OF INSULATION

NEW 12" DENS-DECK PRIME COVER BOARD IN

LOW RISE POLYRUETHANE FOAM ADHESIVE

NEW R-20 POLYISOCYANURATE INSULATION

IN LOW RISE POLYURETHANE FOAM

ADHESIVE

NEW SELF-ADHERING AIR/VAPOR BARRIER

(SHOWN DASHED)

NEW 58" GYPSUM SUBSTRATE BOARD

MECHANICALLY ATTACHED TO THE TOP

FLUTES OF THE EXTG METAL DECK, DO NOT

FASTEN TO THE BOTTOM FLUTES

EXTG (SLOPED) METAL DECK

NEW ADHERED 60 MIL EPDM ROOFING

MEMBRANE

#1

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

Client

Consultants

2"1"1/2"0

THIS SHEET PLOTS FULL SIZE

AT 24x36 (INCHES)

Pl ott ed : 4

/15 /20

3:

P

M by

A sp in, Ja so n

F ile

N am e:

p:\

\20

.6x xx

\20

.66

.0

- c ds to rg er se n h all re ro of.

irc \D ra wi ng s\S he ets

\A -5

R oo fin g D eta ils .dw g

C op yri gh t 2

6.

A ll r igh ts re se rve d.

N o p ar t o f th is do cu me nt ma y b e r ep ro du ce d i n a ny fo rm or by an y m ea ns w ith ou t p er mi ss ion fr om W iss

Ja nn ey , E lst ne r A ss oc iat es , In c.

(W

JE

W

JE

di sc lai ms an y r es po ns ibi lity fo r it s u na uth or ize d u se

Sheet No.

Sheet Title

Scale

Checked

Drawn

Date

Project No.

DateMark Description

Project

F

E

D

C

B

A

F

E

D

C

B

A

Wiss, Janney, Elstner Associates, Inc.

10 South LaSalle Street, Suite 2600

620 Drillfield Drive Blacksburg, Virgina 24061

Virginia PolyTechnic Institute and State University

VT Facilities Department

GM/JAA

February 27, 2026

As Noted

LRM/IRC

Roofing Details

A-501

1 SCALE: 3" = 1'-0"

Extg EPDM Roofing

2 SCALE: 3" = 1'-0"

New R-30 EPDM Roofing on Flat Metal Deck

9 SCALE: 3" = 1'-0"

Drain

8 SCALE: 3" = 1'-0"

Field Fabricated Wood Curb

11 SCALE: 3" = 1'-0"

Exhaust Fan10 SCALE: 3" = 1'-0"

Exhaust Fan - Cannot Be Raised

3a SCALE: 3" = 1'-0"

New R-30 EPDM Roofing on Sloped Metal Deck

(ROOF AREAS B, H, K, AND M)(ROOF AREAS A, C, D, E, F, G, J, L, N, O, P AND Q)

6 SCALE: 3" = 1'-0"

Termination Detail 7 SCALE: 3" = 1'-0"

Intermediate Termination Detail

12 SCALE: 3" = 1'-0"

Roof-to-Roof Expansion Joint

4 SCALE: 3" = 1'-0"

Wall or Curb with Continous Field Membrane 5 SCALE: 3" = 1'-0"

Wall or Curb with Separate Flashing

3b SCALE: 3" = 1'-0"

New R-20 EPDM Roofing on Sloped Metal Deck

(ROOF AREA K)

8"

1' -0

CUT INSULATION AND COVER BOARDS

TO FIT WITHIN 14" OF STACK (FILL GAPS

LARGER THAN 14" WITH SPRAY FOAM)

3"

CUT MEMBRANE TIGHT TO STACK

LAP SEALANT (TYP)

SELF-ADHERING EPDM TARGET SHEET WITH

HOLE 1" SMALLER THAN PIPE DIAMETER

LAP SEALANT

EXTEND EXTG STACK 12" ABOVE INSULATION

WITH OMG TUBOS VENT PIPE EXTENSION

WRAP STACK WITH SELF-ADHERING EPDM

FLASHING AND LAP 1" MIN. ONTO TARGET SHEET

BUTYL SEALANT AROUND TOP OF

EXTG STACK

3"

1"

EPDM STRIP AND S.S. DRAW BAND

FLASH STACK WITH AIR/VAPOR BARRIER

8"

1' -0

CUT INSULATION AND COVER BOARDS

TO FIT WITHIN 14" OF STACK (FILL GAPS

LARGER THAN 14" WITH SPRAY FOAM)

3"

CUT MEMBRANE TIGHT TO STACK

LAP SEALANT (TYP)

SELF-ADHERING EPDM TARGET SHEET WITH

HOLE 1" SMALLER THAN PIPE DIAMETER

LAP SEALANT

EXTEND EXTG STACK 12" ABOVE INSULATION

WITH NEW CAST IRON EXTENSION

3"

1"

WRAP STACK WITH SELF-ADHERING EPDM

FLASHING AND LAP 1" MIN. ONTO TARGET SHEET

EPDM STRIP AND S.S. DRAW BAND

FLASH STACK WITH AIR/VAPOR BARRIER

HIGH TEMPERATURE SEALANT

" M

IN

GA. GALV. STORM COLLAR

FLUE (EXTEND PIPE IF NECESSARY TO

ACHIEVE PROPER HEIGHT)

24 GA GALV. METAL PIPE FLASHING, SET IN

WATER CUT-OFF MASTIC AND FASTEN

CONTINUOUS BEAD OF LAP SEALANT

12" SELF-ADHERED UNCURED EPDM

FLASHING

5" SELF-ADHERED UNCURED EPDM

FLASHING

ADHERED EPDM FIELD MEMBRANE

D

ET

AI

L

/ S

H

EE

T A-

INSPECT FIRE SAFING AND REPLACE IF

NEEDED

NEW DOUGLAS FIR OR SOUTHERN YELLOW PINE

2x6 NAILERS WITH A MINIMUM OF THREE #12, 2.5"

LONG SELF-DRILLING SCREWS PER BOARD.

FASTEN TO THE TOP FLUTES IN THE EXTG METAL

DECK, DO NOT FASTEN TO THE BOTTOM FLUTES

NEW DOUGLAS FIR OR SOUTHERN YELLOW PINE

2x6 NAILERS WITH A MINIMUM OF FOUR 10D, 3"

LONG NAILS PER BOARD

8"

CUT INSULATION AND COVER BOARDS

TO FIT WITHIN 14" OF STACK (FILL GAPS

LARGER THAN 14" WITH SPRAY FOAM)

3"

CUT MEMBRANE TIGHT TO PIPE

LAP SEALANT (TYP)

SELF-ADHERING EPDM TARGET SHEET WITH

HOLE 1" SMALLER THAN PIPE DIAMETER

LAP SEALANT

3"

1"

WRAP STACK WITH SELF-ADHERING EPDM

FLASHING AND LAP 1" MIN. ONTO TARGET SHEET

EPDM STRIP AND S.S. DRAW BAND

FLASH PIPE WITH AIR/VAPOR BARRIER

LAP SEALANT

SEAL BETWEEN PIPE/CONDUIT

AND AIR/VAPOR BARRIER

SELF-ADHERING SEALER POCKET

WITH PLASTIC SUPPORT STRIP

TURN SELF-ADHERING FLASHING

INTO POCKET

SEALER

EXTG PIPES

SPRAY FOAM INSULATION

3"

3"

26 GA S.S. COVER PLATES CUT TO

FIT TIGHT AROUND PIPES

LAP AIR/VAPOR BARRIER OVER

SHEET METAL COVER PLATES

3"

NOTE: SEALANT PANS

ARE ONLY TO BE USED

W/ WRITTEN APPROVAL

FROM THE ARCHITECT

8"

CUT INSULATION AND COVER BOARDS

TO FIT WITHIN 14" OF STACK (FILL GAPS

LARGER THAN 14" WITH SPRAY FOAM)

3"

CUT MEMBRANE TIGHT TO

TUBE/POST

LAP SEALANT (TYP)

SELF-ADHERING EPDM TARGET SHEET WITH

HOLE 1" SMALLER THAN TUBE/POST

DIAMETER

LAP SEALANT

3"

1"

WRAP STACK WITH SELF-ADHERING EPDM

FLASHING AND LAP 1" MIN. ONTO TARGET SHEET

EPDM STRIP AND S.S. DRAW BAND

FLASH TUBE/POST WITH AIR/VAPOR

BARRIER

LAP SEALANT

SELF-ADHERING SEALER POCKET

WITH PLASTIC SUPPORT STRIP

TURN SELF-ADHERING FLASHING

INTO POCKET

SEALER

EXTG UNISTRUT SUPPORT

3"

3"

SEALANT AROUND BASE OF

UNISTRUT

Atlanta | Austin | Boston | Chicago | Cleveland | Dallas | Denver | Detroit Doylestown | Honolulu | Houston | Indianapolis | London | Los Angeles Milwaukee | Minneapolis | New Haven | Northbrook (HQ) | New York Pittsburgh | Philadelphia | Portland | Princeton | Raleigh | San Antonio San Diego | San Francisco | Seattle | South Florida | Washington, DC

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AT 24x36 (INCHES)

Pl ott ed : 4

/15 /20

3:

P

M by

A sp in, Ja so n

F ile

N am e:

p:\

\20

.6x xx

\20

.66

.0

- c ds to rg er se n h all re ro of.

irc \D ra wi ng s\S he ets

\A -5

R oo fin g D eta ils .dw g

C op yri gh t 2

6.

A ll r igh ts re se rve d.

N o p ar t o f th is do cu me nt ma y b e r ep ro du ce d i n a ny fo rm or by an y m ea ns w ith ou t p er mi ss ion fr om W iss

Ja nn ey , E lst ne r A ss oc iat es , In c.

(W

JE

W

JE

di sc lai ms an y r es po ns ibi lity fo r it s u na uth or ize d u se

Sheet No.

Sheet Title

Scale

Checked

Drawn

Date

Project No.

DateMark Description

Project

F

E

D

C

B

A

F

E

D

C

B

A

Wiss, Janney, Elstner…