B08_Attachment_7_-_Drawings_-_Exhibit_C.pdf

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ADMIN. BUILDING ROOF RECOVER - KLONDIK GOLD RISH A
Solicitation number
140P9725Q0053
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These architectural drawings detail the roof recovery project for the White Pass Administration Building located at 290 2nd Avenue SE in Skagway, Alaska, within the Klondike Gold Rush National Historical Park. The documents, dated December 2024, comprehensively illustrate the roof recover process, including detailed parapet section and elevation details across seven sheets. The project involves removing existing parapet cladding, reinstalling metal flashings, installing new 3/4" thick vertical tongue-and-groove painted siding, and recovering the existing roof membrane with specific attention to maintaining the building's historical aesthetic. Key specifications include using treated wood furring, color-matching paint to existing surfaces, and ensuring proper drainage and fastening techniques for the new cladding and roofing system. The drawings show a phased approach with work conducted both before and after the roofing contractor's primary recovery efforts, with precise instructions for preserving and reinstalling original architectural elements.

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Other files

File Type Posted
Sol_140P9725Q0053_Amd_0001.pdf PDF
B08_Attachment_3_-_Speciications.pdf PDF
B08_Attrachment_8_-_Specifications_-_Exhibit_D.pdf PDF
B08_Attachment_5_-_DIV_01.pdf PDF
Sol_140P9725Q0053.pdf PDF
B03_Attachment_1_-_DOL_DB_WD_AK20250001_Rev_4.pdf PDF
B08_Attachment_2_-_Drawings.pdf PDF
B08_Attachment_6_-_Photos_-_Exhibit_B.pdf PDF
B08_Attachment_4_-_CM-16_Submittal_Form.doc DOC document

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WHITE PASS ADMINISTRATION

BUILDING ROOF RECOVER

COVER SHEET

A0.0

DECEMBER, 2024

2ND AVENUE

B R

O A

D W

A Y

PROJECT LOCATION

290 2ND AVENUE SE, SKAGWAY ALASKA 99804

BROADW

AY 2ND AVENUE

VIS

IT

OR'S

C

ENTER

(N

OT IN

S

COPE)

ADM

IN

IS

TRATIO

N B

UIL

DIN

G

REFERENCE S

HEET A

1.

VICINITY MAP

ADMINISTRATION BUILDING ROOF LOOKING SOUTHWEST

ADMINISTRATION BUILDING ROOF LOOKING NORTHEAST

NORTH

EAST AND WEST PARAPET ELEVATIONS

3/A1.0 - EAST PARAPET ELEVATION, (MATCHES WEST ELEVATION)

WHITE PASS ADMINISTRATION

BUILDING ROOF RECOVER

ROOF PLAN

REFERENCE SUBSEQUENT DETAIL SHEETS FOR

SCOPE OF WORK AND PHASING

ROOF PLAN - EXISTING CONDITIONS AND DETAIL LOCATIONS1

2/ A

1.

N

O R

T H

P A

R A

P E

T E

LE

V

A T

IO

N

NORTH

A1.0

A1.0

SIMILAR

SIMILAR

82'-2", VERIFY IN FIELD

'-8

V

E R

IF

Y

IN

F

IE

LD

EXISTING ROOF ASSEMBLY

1982 RESTORATION

- 4-PLY BUILT-UP MEMBRANE

- 1/2" PLYWOOD

1900 WOOD FRAMING

- 1X12 PLANKS

- 2X12 JOISTS, 16" ON CENTER

EXISTING PARAPET CLADDING

E X

IS

T

IN

G

P A

R A

P E

T C

LA

D

D

IN

G

A1.0

A1.0

A3.1

A3.2

A3.2 1

A3.3

A3.3

A3.4

A3.5

EXISTING MECHANICAL CURBS AND VENT CAPS

EXISTING MECHANICAL CURBS AND VENT CAPS

EXISTING MECHANICAL CURBS AND VENT CAPS

EXISTING BOILER FLUE

EXISTING ANTENNA

EXISTING SKYLIGHT

EXISTING 6" WIDE METAL GUTTER

SLOPE 1/2" PER FOOT

DECEMBER, 2024

FALL ANCHOR

(NPS WORK CONDUCTED

BEFORE ROOFING CONTRACTOR)

FALL ANCHOR

(NPS WORK CONDUCTED

BEFORE ROOFING CONTRACTOR)

RECOVER ROOFING SYSTEM

BUILDING ROOF RECOVER

DETAILS

NPS WORK CONDUCTED

BEFORE ROOFING CONTRACTOR

NPS WORK CONDUCTED

AFTER ROOFING CONTRACTOR

ROOFING CONTRACTOR

RECOVER EXTENTS

PARAPET SECTION DETAIL (x3) A3.1

REMOVE PARAPET

CLADDING FROM THE

INSIDE FACE OF PARAPET

REMOVE FOIL FACED

FLASHING AT ROOF EDGE

BUILT UP ROOF

MEMBRANE TO

REMAIN IN PLACE

REMOVE AND RETAIN

METAL FLASHING

BEHIND AND BELOW

CLADDING

REINSTALL METAL FLASHING

AS IT WAS ORIGINALLY INSTALLED.

INSTALL NEW PARAPET CLADING

-1X6 TREATED WD FURRING, TOP AND BOTTOM

-3/4" THICK VERTICAL T&G PAINTED SIDING

CLADDING NOTES:

1) COLOR MATCH PAINT TO EXISTING

2)KERF BACKSIDE OF BOTTOM FURRING

TO ALLOW DRAINAGE

3) THRU-FASTEN FURRING AND SIDING TO

PARAPET FRAMING AND SHEATING WITH

4" TIMBERLOK OR LEDGERLOK OR EQUAL

STRUCUTURAL FASTENER, 24" ON CENTER.

ALL FASTENERS TO BE SET IN MEMBRANE

MANUFACTURER APPROVED SEALANT.

GREY POCHE INDICATES

EXISTING CONDITIONS THAT ARE

OUTSIDE OF THIS PROJECT'S WORK AREA,

THEY ARE ITEMS TO REMAIN UNALTERED

DECEMBER, 2024

TERMINATION BAR

DETAILS

NPS WORK CONDUCTED

BEFORE ROOFING CONTRACTOR

NPS WORK CONDUCTED

AFTER ROOFING CONTRACTOR

ROOFING CONTRACTOR

RECOVER EXTENTS

PARAPET SECTION DETAIL (x3) A3.2

REMOVE AND RETAIN

PARAPET CAP FLASHING

REMOVE FOIL FACED

FLASING AT ROOF EDGE

BUILT UP ROOF

MEMBRANE TO

REMAIN IN PLACE

UNKNOWN BLOCKING

ARRANGEMENT

DADO TOP OF WOOD BLOCKING FOR

FUTURE ROOFING TERMINATION BAR.

COORDINATE DADO SIZE WITH

ROOFING CONTRACTOR

REINSTALL PARAPET CAP FLASHING

AS IT WAS ORIGINALLY INSTALLED

GREY POCHE INDICATES

EXISTING CONDITIONS THAT ARE

OUTSIDE OF THIS PROJECT'S WORK AREA,

THEY ARE ITEMS TO REMAIN UNALTERED

DECEMBER, 2024

RECOVER ROOFING SYSTEM

TERMINATION BAR

B

LO

C K

IN

G

H E

IG

H

T V

A R

IE

S

NPS WORK CONDUCTED

BEFORE ROOFING CONTRACTOR

NPS WORK CONDUCTED

AFTER ROOFING CONTRACTOR

ROOFING CONTRACTOR

RECOVER EXTENTS

WHITE PASS ADMINISTRATION

BUILDING ROOF RECOVER

DETAILS

PARAPET SECTION DETAIL (x3)

A3.3

4" EXISTING

CANT

REMOVE PARAPET

CLADDING FROM THE

INSIDE FACE OF PARAPET

REMOVE FOIL FACED

FLASHING AT ROOF EDGE

BUILT UP ROOF

MEMBRANE TO

REMAIN IN PLACE

REINSTALL PARAPET CAP FLASHING, BLOCKING,

AND TRIM AS IT WAS ORIGINALLY INSTALLED

UTILIZE NEW CUSTOM FLASHING

BETWEEN PARAPET CAP AND

PARAPET CLADDING

ELEVATION DETAIL OF

PARAPET CLADDING

FASTENER, TYPICAL

MAINTAIN CLADDING HEIGHT

ABOVE ROOF SURFACE,

MATCH EXISTING

INSTALL NEW PARAPET CLADING

-1X6 TREATED WD FURRING, TOP AND BOTTOM

-3/4" THICK VERTICAL T&G PAINTED SIDING

CLADDING NOTES:

1) COLOR MATCH PAINT TO EXISTING

2)KERF BACKSIDE OF BOTTOM FURRING

TO ALLOW DRAINAGE

3) THRU-FASTEN FURRING AND SIDING TO

PARAPET FRAMING AND SHEATING WITH

4" TIMBERLOK OR LEDGERLOK OR EQUAL

STRUCUTURAL FASTENER 24" ON CENTER.

ALL FASTENERS TO BE SET IN MEMBRANE

MANUFACTURER APPROVED SEALANT.

4" 1" 2" 1"

REMOVE AND RETAIN PARAPET

CAP FLASHING, BLOCKING AND TRIM

(BLOCKING ARRANGEMENT IS UNKNOWN)

EXISTING

CORNICE

GREY POCHE INDICATES

EXISTING CONDITIONS THAT ARE

OUTSIDE OF THIS PROJECT'S WORK AREA,

THEY ARE ITEMS TO REMAIN UNALTERED

DECEMBER, 2024

RECOVER ROOFING SYSTEM

TERMINATION BAR MODIFY BACK OF TRIM TO

ACCOMODATE TERMINATION BAR

8 1/8" 8 7/8"

NPS WORK CONDUCTED

BEFORE ROOFING CONTRACTOR

NPS WORK CONDUCTED

AFTER ROOFING CONTRACTOR

ROOFING CONTRACTOR

RECOVER EXTENTS

WHITE PASS ADMINISTRATION

BUILDING ROOF RECOVER

DETAILS

PARAPET SECTION DETAIL (x3)

A3.4

REMOVE AND RETAIN PARAPET

CAP FLASHING AND BLOCKING

(BLOCKING ARRANGEMENT IS UNKNOWN)

REMOVE PARAPET

CLADDING FROM THE

INSIDE FACE OF PARAPET

REMOVE FOIL FACED

FLASHING AT ROOF EDGE

REMOVE DRIP EDGE

(BUILT UP ROOF

MEMBRANE TO

REMAIN IN PLACE)

REINSTALL PARAPET CAP FLASHING AND

BLOCKING AS IT WAS ORIGINALLY INSTALLED

INSTALL NEW 3/4" THICK VERTICAL T&G PAINTED

PARAPET CLADDING DIRECTLY TO THE

PARAPET FRAMING (NO FURRING).

REMOVE AND REPLACE WITH A

GUTTER MATCHING THE EXISTING

MATERIALS AND APPEARANCE

MEMBRANE SECURED

TO GUTTER

REMOVE PARAPET

CLADDING FROM

THE END OF THE PARAPET

REMOVE SOLID WOOD TRIM FROM

THE END OF THE PARAPET,

ABOVE THE CORNICE

INSTALL NEW PAINTED SOLID WOOD TRIM,

MATCH ALL ASPECTS OF THE EXISTING TRIM.

A3.4

A3.4

A3.4

GREY POCHE INDICATES

EXISTING CONDITIONS THAT ARE

OUTSIDE OF THIS PROJECT'S WORK AREA,

THEY ARE ITEMS TO REMAIN UNALTERED

INSTALL NEW PAINTED SOLID WOOD COPING TRIM

BETWEEN METAL CAP FLASHING AND THE

NEW CUSTOM FLASHING. MATCH ALL ASPECTS

OF THE EXISTING TRIM ON THE OUTSIDE FACE.

E X

P O

S E

D P

A R

A P

E T

F R

A M

IN

G

A N

D S

H E

A T

H

IN

G

DECEMBER, 2024

SEAL WITH PAINTABLE SILICONE SEALANT ALL

CORNERS AND JOINTS OF WOOD TRIM AND

PARAPET CLADDING AT THE PARAPET'S END.

RECOVER ROOFING SYSTEM MEMBRANE

TERMINATION BAR

TERMINATION BAR

A

LI

G N

RECOVER ROOFING SYSTEM MEMBRANE

A3.5 WHITE PASS ADMINISTRATION

DETAILS

PARAPET ELEVATION DETAIL (x3)

NPS WORK CONDUCTED

BEFORE ROOFING CONTRACTOR

NPS WORK CONDUCTED

AFTER ROOFING CONTRACTOR

ROOFING CONTRACTOR

RECOVER EXTENTS

REMOVE PARAPET

CLADDING FROM THE

INSIDE FACE OF PARAPET

E X

IS

T

IN

G

C

O R

N

IC

E

MEMBRANE BELOW

E X

IS

T

IN

G

C O

R N

IC

E

GREY POCHE INDICATES

EXISTING CONDITIONS THAT ARE

OUTSIDE OF THIS PROJECT'S WORK AREA,

THEY ARE ITEMS TO REMAIN UNALTERED

REMOVE PARAPET

CLADDING FROM

THE END OF THE PARAPET

REMOVE SOLID WOOD TRIM FROM

THE END OF THE PARAPET,

ABOVE THE CORNICE

E X

IS

T

IN

G

C O

R N

IC

E

INSTALL NEW PARAPET CLADDING

-1X6 TREATED WD FURRING,

TOP AND BOTTOM

-3/4" THICK, VERTICAL,

T&G PAINTED SIDING

UTILIZE 8" WIDE SIDING PANEL AT

WALL END TO SPAN MEMBRANE

TERMINATION AND SECURELY

CONNECT TO PANELS AT

PARAPET END

INSTALL NEW PAINTED

SOLID WOOD TRIM

MATCHING EXISTING

INSTALL NEW PAINTED

PARAPET CLADDING

DECEMBER, 2024

REMOVE AND REPLACE WITH A

GUTTER MATCHING THE EXISTING

MATERIALS AND APPEARANCE

File details come from the government source that posted it. Updated .