S06_Attachment 0_09113.01 - Addenda.pdf

IMPROVE CAMPUS BUILDING EXTERIORS 438-22-600

ADDENDA 00 91 13 - 1

SECTION 00 91 13

ADDENDA

1.1 PROJECT INFORMATION

A. Project Name: Sioux Falls VA Health Care System Campus; improve Campus

Building Exteriors.

B. Owner Project Number: 438-22-600.

C. Architect: Stone Group Architects Inc., 600 E. 7th Street, Sioux

Falls, South Dakota, 57103.

D. Architect Project Number: 221926.

E. Date of Addendum: August 13, 2026.

1.2 NOTICE TO BIDDERS

A. This Addendum is issued pursuant to the Instructions to Bidders. This

Addendum serves to clarify, revise, and supersede information in the

Project Manual, Drawings, and previously issued Addenda. Portions of the Addendum affecting the Contract Documents will be incorporated into the Contract by enumeration of the Addendum in the

Owner/Contractor Agreement.

B. The date for receipt of bids is unchanged by this Addendum, at same time and location.

1.3 ATTACHMENTS

A. This Addendum includes the following attached Drawing Sheets:

1. G-001 ARCHITECTURAL PHASING AND SITE PLAN, dated August 13, 2026, (reissued)

2. 52.AE121 ARCHITECTURAL ROOF PLAN, dated August 13, 2026, (reissued)

3. 52.AE501 ARCHITECTURAL - DETAILS, dated August 13, 2026, (reissued)

1.4 REVISIONS TO DRAWING SHEETS

A. Sheet G-001 ARCHITECTURAL PHASING AND SITE PLAN, (reissued).

1. Added cover board to Roof Type L6.

B. Sheet 52.AE121 ARCHITECTURAL ROOF PLAN (reissued).

1. Drawing D6: Removed detail F7 call out.

2. Keynotes: Added “cover board” to keynotes 7.50P, 7.50R and 7.53L.

C. Sheet 52.AE501 ARCHITECTURAL - DETAILS (reissued).

1. Detail C1: Corrected note arrows.

2. Detail C3: Added cover board to roof and parapet wall.

3. Detail F3: Added cover board to roof and parapet wall.

4. Deleted Detail F6.

5. Deleted Detail F7.

END OF DOCUMENT 00 91 13

5A

5C5E

5F

5G

5H

5J

5K

5L

5M

5N

5O.SOUTH

5O.NORTH

5Q

5S

5P

5R

5T

1A

1A

1B

1C

1D

Project Number

Building Number

Drawing Number

Project Title

Location

Issue Date Checked Drawn

Drawing Title

Approved:

VA FORM 08 - 6231

A

Office of Construction and Facilities Management

U.S. Department of Veterans Affairs

B

C

D

E

F

A

B

C

D

E

F

21 4 5 6 7 8 9 10

Phase

ARCHITECT OF RECORD STAMPCONSULTANTS

321 4 5 6 7 8 9 10 o n e e ig h th in c h o n e f o o t o n e q u a rt e r in c h o n e f o o t th re e e ig h th s in c h o n e f o o t o n e h a lf in c h o n e f o o t th re e q u a rt e rs in c h o n e f o o t o n e in c h o n e f o o t o n e a n d o n e h a lf in c h e s o n e f o o t th re e in c h e s o n e f o o t

SIOUX FALLS, SOUTH DAKOTA

CIVIL:

Dunham Asssociates, Inc.

50 South Sixth St Suite 1100 Minneapolis, MN 55402 Phone: 612-465-7550

MEP:

Stone Group Architects, Inc.

600 East 7th Street Sioux Falls, SD 57103 Phone: 605-271-1144

Ehrhart Griffin & Associates 601 N Minnesota Ave Sioux Falls, SD 57104 Phone: 605-339-7215

Ericksen Roed Associates 2550 University Ave W Suite 423-S St. Paul, MN 55402 Phone: 651-251-7570

STRUCTURAL:

C

S G

A R e v it L o c a l\

V

A S

F

IC

B

E

O V

E R

A L

L

M ic h a e lA lb .r v t

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A

M

G-001

ARCHITECTURAL PHASING AND

SITE PLAN

SIOUX FALLS VA HEALTH CARE

SYSTEM CAMPUS IMPROVE

CAMPUS BUILDING EXTERIORS

SEPTEMBER 15, 2023 BH MA

CONSTRUCTION

DOCUMENTS

SGA #221926

VA #438-22-600

1" = 60'-0" F1

SITE PLAN

NORTH

BUILDING SCHEDULE

1 HR / MH BUILDING

5 MAIN HOSPITAL

7 UTILITY SHOPS

8 LAUNDRY

9 STATION GARAGE

11 BOILER PLANT

16 HBPC / LEGAL BUILDING

17 ENGINEERING BUILDING

38 REGIONAL OFFICE BUILDING

52 INTEGRATED HEALTH BUILDING

L1

L(x) = LOW SLOPE ROOF M(x) = METAL ROOF S(x) = SLATE ROOF

ROOF TYPES

• ADHERED 60 MIL ROOFING MEMBRANE

• ADHERED 5/8" HEAVY DUTY COATED WATER RESISTANT GYPSUM BOARD WITH PRIMED GLASS MAT FACER -R-0.7

• ADHERED LAYER OF TAPERED RIGID ISO ROOF INSULATION (SLOPE 1/4 : 12)

• (REF. PLAN FOR OVERALL INSULATION & COVER BOARD THICKNESS)

• EXISTING CONCRETE DECK

L2 • ADHERED 60 MIL ROOFING MEMBRANE

• ADHERED 5/8" HEAVY DUTY COATED WATER RESISTANT GYPSUM BOARD WITH PRIMED GLASS MAT FACER -R-0.7

• ADHERED 2 1/2" TOP LAYER RIGID ISO ROOF INSULATION -R-14.4

• ADHERED 2 1/2" BASE LAYER RIGID ISO ROOF INSULATION -R-14.4

• SELF ADHERING REINFORCED SBS VAPOR RETARDER

• EXISTING CONCRETE DECK (SLOPED)

L3 • ADHERED 60 MIL ROOFING MEMBRANE

• ADHERED 5/8" HEAVY DUTY COATED WATER RESISTANT GYPSUM BOARD WITH PRIMED GLASS MAT FACER -R-0.7

• ADHERED TOP LAYER OF TAPERED RIGID ISO ROOF INSULATION -R-5.7/INCH

• ADHERED 2" BASE LAYER RIGID ISO ROOF INSULATION -R-11.4

• (REF. PLAN FOR OVERALL INSULATION & COVERBOARD THICKNESS)

• SELF ADHERING REINFORCED SBS VAPOR RETARDER

• EXISTING CONCRETE DECK

B L D

G

A

B L D

G D

D

F

B L D

G

A B

B

C

,5 E

G

,5 J K

M

O

(N O

R T

H

O

(S O

U T

H

S

B L D

G

S1 • COMPOSITE SLATE TILES

• COPPER SNOW GUARDS

• SELF ADHERED ICE & WATER SHIELD UNDERLAYMENT

• EXISTING WOOD DECK

• EXISTING WOOD FRAMING

M1 • LOCK SEAM COPPER ROOF (20 OZ, 16" WIDE)

• SELF ADHERED ICE & WATER SHIELD UNDERLAYMENT

• EXISTING 1" WOOD SHEATHING

• EXISTING WOOD DORMER FRAMING

M2 • STANDING SEAM METAL ROOF (16" WIDE)

• SELF ADHERED ICE & WATER SHIELD UNDERLAYMENT

• 1/2" PLYWOOD SHEATHING

• EXISTING 1" WOOD SHEATHINGB

L D

G

B L D

G

8 L4

• ADHERED 60 MIL REINFORCED ROOFING MEMBRANE

• 5/8" HEAVY DUTY COATED WATER RESISTANT GYPSUM BOARD WITH PRIMED GLASS MAT FACER -R-0.7

• TAPERED RIGID ISO ROOF INSULATION (SLOPE AS NOTED ON PLAN) -R-5.7/INCH

• 1 1/2" BASE LAYER RIGID ISO ROOF INSULATION -R-8.6

• (REF. PLAN FOR OVERALL INSULATION & COVERBOARD THICKNESS)

• (MECHANICALLY FASTENED INSULATION AND COVERBOARD)

• POLY VAPOR RETARDER

• EXISTING METAL DECK

• EXISTING STEEL BAR JOISTS (SLOPED)

L5 • ADHERED 60 MIL REINFORCED ROOFING MEMBRANE

• 5/8" HEAVY DUTY COATED WATER RESISTANT GYPSUM BOARD WITH PRIMED GLASS MAT FACER -R-0.7

• TAPERED RIGID ISO ROOF INSULATION (SLOPE 1/4 : 12) -R-5.7/INCH

• 2" BASE LAYER RIGID ISO ROOF INSULATION -R-11.4

• (REF. PLAN FOR OVERALL INSULATION & COVER BOARD THICKNESS)

• (MECHANICALLY FASTENED INSULATION AND COVERBOARD)

• POLY VAPOR RETARDER

• EXISTING METAL DECKB

L D

G

G

E N

T R

Y

H

L N

P

L6

• ADHERED 60 MIL REINFORCED ROOFING MEMBRANE

• 5/8" HEAVY DUTY COATED WATER RESISTANT GYPSUM BAORD WITH PRIMED

GLASS MAT FACER

• (MECHANICALLY FASTENED COVERBOARD)

• EXISTING WOOD DECKB

L D

G

M3 • REINSTALL SALVAGED SLATE METAL ROOFING PANELS (EDCO, ARROWLINE SLATE #1748, 28 GA. STEEL - 952-945-2680 sales@edcoproducts.com)

• REINSTALL SALVAGED SNOW GUARDS TO MATCH ORIGINAL LAYOUT

• SELF ADHERED ICE & WATER SHIELD UNDERLAYMENT

• 4" NAILBASE INSULATION

• EXISTING WOOD SHEATHING

B L D

G

R

L7 • ADHERED 60 MIL REINFORCED ROOFING MEMBRANE

• 5/8" HEAVY DUTY COATED WATER RESISTANT GYPSUM BOARD WITH PRIMED GLASS MAT FACER -R-0.7

• TAPERED RIGID ISO ROOF INSULATION (SLOPE 1/4 : 12) -R-5.7/INCH

• 2" BASE LAYER RIGID ISO ROOF INSULATION -R-11.4

• (REF. PLAN FOR OVERALL INSULATION & COVER BOARD THICKNESS)

• (MECHANICALLY FASTENED INSULATION AND COVERBOARD)

• POLY VAPOR RETARDER

• EXISTING WOOD DECK

B L D

G

C B

L D

G

A C

S2 • COMPOSITE SLATE TILES

• COPPER SNOW GUARDS

• SELF ADHERED ICE & WATER SHIELD UNDERLAYMENT

• 3" NAILBASE INSULATION - ROUTE OUT 3/4" X 1/4" GROOVE IN

INSULATION AT EACH EXISTING TEE - REF STRUCT

• 1 1/2" METAL DECK

B L D

G

A B

M4 • STANDING SEAM METAL ROOF (16" WIDE)

• SELF ADHERED ICE & WATER SHIELD UNDERLAYMENT

• 4" NAILBASE INSULATION

• POLY VAPOR RETARDER

• EXISTING METAL DECK

B L D

G

PHASE 2

PHASE 1

PHASE 2

PHASE 3

PHASE 4

PHASING SCHEDULE

PHASE 1

PHASE 2

PHASE 3

PHASE 4

BLDG 7,8,9,11

BLDG 16,17,38

BLDG 5, 52

BLDG 1

Revision# Description Date:

1 ADDENDUM 01 08-13-2026

09-15-2023

A. PROVIDE SEALANT AT ALL INTERIOR AND EXTERIOR JOINTS BETWEEN DIFFERENT MATERIALS, TRANSITIONS, AND ACCORDING TO INDUSTRY STANDARDS AND MANUFACTURER'S

SPECIFICATIONS.

B. ROOF VENTING @ 1/300 FOR RIDGE & SOFFIT VENTS. SEE MANUFACTURER.

C. VENT STACKS AS REQUIRED. SEE MANUFACTURER.

D. ROOF SHALL MATCH EXISTING SLOPE U.O.N.

GENERAL ROOF NOTES:

52.AE201

D2

52.AE201B5

52.AE201

52.AE201

B2

D5

23.02R

23.02R

7.54

7.47K

7.47K

7.47K

7.47K

L6

L6

L6

BLDG. 5

7.47A

7.47A

7.47A

7.47A

7.48 7.487.48

7.48 7.48

7.53L

7.51A

7.51A

7.51A7.51A

7.53L

1/4" / 1'-0"

1/4" / 1'-0"

F3

52.AE501

C3

52.AE501

1/ 4"

1'

-0

E X

IS

T

S

LO

P

E

(TYPICAL)

7.50R

7.50R

7.50R

EXIST. SLOPE

EXIST. SLOPE

23.02K

7.58G7.58G

7.58G7.58G

26.03

26.03

26.03

26.03

7.47A

7.47F

7.50P

7.50P

7.50P

7.50P

26.03

26.03

26.03

26.03

7.58G7.58G

7.58G7.58G

CAMPUS BUILDING KEY PLAN

NORTH

A. PROTECT ALL EXISTING UTILITIES.

B. CONTRACTOR TO VERIFY ALL EXISTING CONDITIONS AT THE PROJECT SITE.

C. PATCH REMAINING EXISTING CONSTRUCTION, AFFECTED BY DEMOLITION, TO MATCH EXISTING

U.O.N.

D. EXISTING ITEMS TO REMAIN ARE SHOWN AS HALFTONE.

E. DEMO ITEMS ARE SHOWN AS DASHED.

F. SEE MECHANICAL AND ELECTRICAL DRAWINGS FOR ADDITIONAL INFORMATION RELEVANT TO

DEMOLITION & PATCHING.

GENERAL DEMOLITION PLAN NOTES:

7.58F

7.58F

7.58F

7.58F

7.58F

7.58F

7.58F

7.58F

7.54

23.02K

7.47L

7.47L

7.47L

7.47L

23.02R

23.02R

BLDG. 5

7.47

7.47

7.47

7.47

7.40D7.40D

7.40D

7.13A7.13A

7.13A7.13A

7.50K7.50K

7.50K7.50K

7.53K

7.53K

F1

52.AE501

C1

52.AE501

(TYPICAL)

7.13A7.13A7.13A

6.23

6.23 7.40D

6.23

7.40D

7.47

7.58H

7.58H

7.58H

7.58H

7.58H

7.58H

7.58H

7.58H

26.02A

7.50M

7.50M

7.50M

7.50M

7.50M

7.50M

Project Number

Building Number

Drawing Number

Project Title

Location

Issue Date Checked Drawn

Drawing Title

Approved:

VA FORM 08 - 6231

A

Office of Construction and Facilities Management

U.S. Department of Veterans Affairs

B

C

D

E

F

A

B

C

D

E

F

21 4 5 6 7 8 9 10

Phase

ARCHITECT OF RECORD STAMPCONSULTANTS

321 4 5 6 7 8 9 10 o n e e ig h th in c h o n e f o o t o n e q u a rt e r in c h o n e f o o t th re e e ig h th s in c h o n e f o o t o n e h a lf in c h o n e f o o t th re e q u a rt e rs in c h o n e f o o t o n e in c h o n e f o o t o n e a n d o n e h a lf in c h e s o n e f o o t th re e in c h e s o n e f o o t

SIOUX FALLS, SOUTH DAKOTA

CIVIL:

Dunham Asssociates, Inc.

50 South Sixth St Suite 1100 Minneapolis, MN 55402 Phone: 612-465-7550

MEP:

Stone Group Architects, Inc.

600 East 7th Street Sioux Falls, SD 57103 Phone: 605-271-1144

Ehrhart Griffin & Associates 601 N Minnesota Ave Sioux Falls, SD 57104 Phone: 605-339-7215

Ericksen Roed Associates 2550 University Ave W Suite 423-S St. Paul, MN 55402 Phone: 651-251-7570

STRUCTURAL:

C

S G

A R e v it L o c a l\ B

U

IL

D

IN

G

M ic h a e lA lb

.r v t

/1

/2

:2

:5

A

M

52. AE121

ARCHITECTURAL - ROOF PLAN SIOUX FALLS VA HEALTH CARE

SYSTEM CAMPUS IMPROVE

CAMPUS BUILDING EXTERIORS 52

09-15-2023 BH MA

CONSTRUCTION

DOCUMENTS

SGA #221926

VA #438-22-600

KEYNOTES_SGA

Key Value Keynote Text

6.23 EXISTING MODULAR BRIDGING STRIP TO REMAIN IN PLACE.

7.13A REMOVE EXISTING MTL SIDING FROM INSIDE F.O. PARAPET.

7.40D REMOVE EXISTING MTL COPING AND KEEPER STRIP

7.47 EXISTING VTR TO REMAIN.

7.47A EXISTING VTR. PROVIDE PRE-FAB ROOFING MEMBRANE BOOT FLASHING.

7.47F EXISTING CONDUIT - PROVIDE PRE-FAB ROOFING MEMBRANE BOOT FLASHING.

7.47K INSTALL MEMB FLASHING 8" MIN UP DUCT.

7.47L EXISTING DUCT TO REMAIN. REMOVE EXISTING MEMB FLASHING.

7.48 PREFINISHED MTL COPING AND KEEPER STRIP.

7.50K REMOVE EXISTING ADHERED ROOFING MEMB FROM OSB DECK.

7.50M EXISTING CURB TO REMAIN - REMOVE ROOFING MEMB FLASHING FROM CURB

7.50P EXTEND ROOFING MEMB AND COVER BOARD UP AND OVER CURB.

7.50R EXTEND ROOFING MEMB AND COVER BOARD UP CURB AND UNDER COUNTERFLASHING.

7.51A ADHERED MEMB WALKWAY PROTECTION PADS.

7.53L ADHERED ROOFING MEMB AND COVER BOARD ON EXISTING PLYWD CRICKETS (TYP)

7.54 EXISTING ROOF ACCESS HATCH AND CURB TO REMAIN.

7.58G PREFINISHED MTL THRU WALL SCUPPER, CONDUCTOR AND OPEN FACE DS

23.02K EXISTING CONDENSING UNIT TO BE REMOVED AND REINSTALLED AS REQURIED FOR

REROOFING - REF MEP.

23.02R EXISTING MECH UNIT AND CURB TO REMAIN.

26.02A EXISTING CONDUIT THRU ROOF TO REMAIN.

26.03 NEW CONDUIT FOR ELEC HEAT CABLE - REF ELEC. PROVIDE PRE-FAB ROOFING MEMBRANE

BOOT FLASHING.

1/8" = 1'-0" D6

ROOF PLAN

NORTH

1/8" = 1'-0" D3

ROOF PLAN - DEMOLITION

NORTH

Revision# Description Date:

1 ADDENDUM 01 08-13-2026

T.O. PARAPET

114'-10"

/D3 52.AE121

REMOVE EXISTING MTL

SIDING FROM INSIDE

F.O. PARAPET.

REMOVE EXISTING

PREFINISHED MTL

SCUPPER, CONDUCTOR

HEAD AND DS.

REMOVE EXISTING MTL

COPING AND KEEPER

STRIP

REMOVE EXISTING

ADHERED ROOFING

MEMB FROM OSB DECK.

T.O. DECK (LOW)

110'-10 1/4"

REMOVE EXISTING

OVERFLOW SCUPPER.

PATCH OPENING W/ 5/8"

O.S.B. AND BRK TO

MATCH EXISTING -

TOOTH-IN NEW BRK.

T.O. PARAPET

114'-10"

/D6 52.AE121

PREFINISHED MTL

THRU-WALL SCUPPER IN

EXISTING OPENING.

FIELD VERIFY EXISTING

SIZE.

L6

BACKER ROD & SLNT

T.O. DECK (LOW)

110'-10 1/4"

3" 3"

1" 3"

2"

+/- 11 1/2"

1/

2"SLOPE 3/4"

WRAP ROOFING MEMB

OVER WOOD BLKG.

EXTEND ROOFING MEMB

AND COVER BOARD UP

PARAPET WALL.

3" 3"

1" 3"

2"

2"4"2"

1/2" 3" 4" 3" 1/2"

1/2"3"4"3"1/2"

1/ 2"

3" 3"

TOP

FRONT

PREFINISHED METAL CONDUCTOR HEAD

BACKER ROD AND SEALANT

PREFINISHED METAL CLOSURE FLANGE

WITH HEMMED RETURN FOR FRICTION FIT

INTO SAWCUT REGLET

EXISTING 4" X 3" SCUPPER OPENING

PREFINISHED METAL CONDUCTOR HEAD

4" X 3" PREFINISHED METAL OPEN

FACE DOWNSPOUT

3/4" PLYWOOD

PREFINISHED METAL CLOSURE

FLANGE WITH HEMMED RETURN FOR

FRICTION FIT INTO SAWCUT REGLET

PREFINISHED METAL CONDUCTOR HEAD

4" X 3" PREFINISHED METAL OPEN FACE

DOWNSPOUT

PREFINISHED MTL

COPING AND KEEPER

STRIP.

FASTENERS W/

NEOPRENE

GASKET/WASHER.

T.O. PARAPET

114'-10"

/D3 52.AE121

REMOVE EXISTING

ADHERED ROOFING

MEMB FROM OSB DECK.

T.O. DECK (LOW)

110'-10 1/4"

REMOVE EXIST

MTL COPING

REMOVE EXISTING

ADHERED ROOFING

MEMB FROM OSB DECK.

REMOVE EXISTING MTL

SIDING FROM INSIDE

F.O. PARAPET.

T.O. PARAPET

114'-10"

/D6 52.AE121

L6

T.O. DECK (LOW)

110'-10 1/4"

BACKER ROD & SLNT

WRAP ROOFING MEMB

OVER WOOD BLKG.

FASTENERS W/

NEOPRENE

GASKET/WASHER.

EXTEND ROOFING MEMB

AND COVER BOARD UP

PARAPET WALL.

SLOPE 3/4"

2"

PREFINISHED METAL

FLASHING/COPING TO HAVE

HEMMED TOP FOR FRICTION

FIT CUT REGLET

3/4" PLYWOOD

PLATE AND FASTENERS

12" O.C. MAX.

Project Number

Building Number

Drawing Number

Project Title

Location

Issue Date Checked Drawn

Drawing Title

Approved:

VA FORM 08 - 6231

A

Office of Construction and Facilities Management

U.S. Department of Veterans Affairs

B

C

D

E

F

A

B

C

D

E

F

21 4 5 6 7 8 9 10

Phase

ARCHITECT OF RECORD STAMPCONSULTANTS

321 4 5 6 7 8 9 10 o n e e ig h th in c h o n e f o o t o n e q u a rt e r in c h o n e f o o t th re e e ig h th s in c h o n e f o o t o n e h a lf in c h o n e f o o t th re e q u a rt e rs in c h o n e f o o t o n e in c h o n e f o o t o n e a n d o n e h a lf in c h e s o n e f o o t th re e in c h e s o n e f o o t

SIOUX FALLS, SOUTH DAKOTA

CIVIL:

Dunham Asssociates, Inc.

50 South Sixth St Suite 1100 Minneapolis, MN 55402 Phone: 612-465-7550

MEP:

Stone Group Architects, Inc.

600 East 7th Street Sioux Falls, SD 57103 Phone: 605-271-1144

Ehrhart Griffin & Associates 601 N Minnesota Ave Sioux Falls, SD 57104 Phone: 605-339-7215

Ericksen Roed Associates 2550 University Ave W Suite 423-S St. Paul, MN 55402 Phone: 651-251-7570

STRUCTURAL:

C

S G

A R e v it L o c a l\ B

U

IL

D

IN

G

M ic h a e lA lb

.r v t

/1

/2

:2

:5

A

M

52. AE501

ARCHITECTURAL - DETAILS SIOUX FALLS VA HEALTH CARE

SYSTEM CAMPUS IMPROVE

CAMPUS BUILDING EXTERIORS 52

09-15-2023 BH MA

CONSTRUCTION

DOCUMENTS

SGA #221926

VA #438-22-600

1 1/2" = 1'-0" F1

PARAPET / SCUPPER / CONDUCTOR HEAD

DETAIL - DEMOLITION

1 1/2" = 1'-0"

F3

PARAPET / SCUPPER / CONDUCTOR HEAD

DETAIL - NEW

1 1/2" = 1'-0" C1

PARAPET / WALL BASE FLASHING DETAIL -

DEMOLITION

1 1/2" = 1'-0"

C3

PARAPET / WALL BASE FLASHING DETAIL -

NEW

CONDUCTOR HEAD PLAN & ELEV.

Revision# Description Date:

1 ADDENDUM 01 08-13-2026