25237_IANG A1 Ph2 Central Roof Repairs_CD_DWGS_2026-0818.pdf

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Attached to
A1 PHASE 2 – CENTRAL ROOF REPAIRS
Solicitation number
C622A1601
Issued by
Polk County, Iowa

About this file

This is a construction drawing set for Phase 2 central roof repairs at the Iowa National Guard Joint Forces Headquarters building located at 7105 NW 70th Avenue in Johnston, Iowa, under contract number C622A1601. The project encompasses exterior wall recladding and central roof repairs managed by InVision Architecture on behalf of the Iowa Department of Public Defense. The scope of work includes replacement of roof membranes on the mechanical patio, re-cladding of the central penthouse and tower walls, installation of new storefront windows with low-E thermal glazing, replacement of existing louvers and doors, roof edge restoration with new sheet metal caps and flashings, removal and refinishing of existing steel beams with high-performance coatings, and water-tight sealing of wall penetrations. The project is structured with a base bid covering work on the central penthouse, tower walls, and mechanical patio, and one alternate bid for additional work on the north and south wing walls. Bids were due September 15, 2026, with an opening date of August 22, 2026 at 12:00 a.m. CDT. The project was designed by InVision Architecture with INVISION Project Number 25237 and contract number C622A1601, with Brett Turner (515) 205-8340 from Garland/DBS Inc. serving as the roof assessment consultant.

The bidding documents include comprehensive architectural drawings with wall sections, details, penthouse and mechanical patio plans and elevations, and specifications for materials including KEE membrane roofing systems, 4-inch rigid mineral wool board insulation, metal panel wall assemblies, and storefront window units. The construction drawings identify specific details for window sills and heads, louver installations, patio door thresholds, mechanical stair curb details, and coping conditions at various wall types. All work must comply with applicable local codes and ordinances in force at the time of construction, and contractors are required to verify existing conditions, coordinate with other trades, and provide fire-resistive closures at penetrations through fire-rated building components. Payment processing follows Iowa Code 8A.514, allowing sixty days for state processing of invoices. Philip Payton, issuing officer for the Iowa Department of Public Defense, is available at 515-975-6211 or philip.payton@dpd.iowa.gov for solicitation questions.

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Targeted Small Business Form (1).pdf PDF
Form of Bid (3).pdf PDF
25237_IANG A1 Ph2 Central Roof Repairs_CDspec_2026-0818.pdf PDF
1434065-event.pdf PDF
Advertisement for Bids (2).pdf PDF

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Text version

AERIAL VIEW OF PROJECT LOCATION

900 MULBERRY STREET

Des Moines, Iowa 50309 515.633.2941

OWNER

MANAGING ARCHITECT:

SHEET NAME:

SHEET:

CONTRACT NO. C622A1601

CONTRACT NO. C622A1601

PROJECT NO.

BID SET

20 JULY 2026

7105 NW 70th AVE, JOHNSTON, IA 50131

A1 PHASE 2 - CENTRAL ROOF REPAIRS

INVISION PROJECT NO.25237

BID SET

ISSUE DATE:20 JULY 2026

A1 PHASE 2 - CENTRAL ROOF REPAIRS

GARLAND/DBS INC.

ROOF ASSESSMENT

3800 E 91ST STREET

CLEVELAND, OH 44105

BRETT TURNER

(515) 205-8340 bturner@garlandco.com

PROJECT NO.

7105 NW 70TH AVE

JOHNSTON, IA

19084320PROJECT NO.

PROJECT NO. 19084320

JASON DEVRIES

jasond@invisionarch.com rolandg@invisionarch.com

INVISION PROJECT NO. 25237

G0.00

COVER SHEET

GENERAL NOTES:

1.

2.

3.

4.

5.

6.

ALL WORK SHALL COMPLY WITH APPLICABLE CODES AND ORDINANCES IN FORCE AT TIME

OF CONSTRUCTION.

VERIFY ALL DIMENSIONS, EXISTING AND NEW CONDITIONS ON THE JOB BEFORE

PROCEEDING WITH THE WORK. DISCREPANCIES, IF ANY, ARE TO BE REFERRED TO THE

ARCHITECT PRIOR TO START OF WORK.

CONTRACTORS SHALL CONSULT PLANS OF ALL TRADES FOR OPENINGS AND ROUGH-INS,

ROUGH-OUTS THROUGH SLABS, WALLS, CEILINGS, AND ROOFS FOR DUCTS, PIPES,

CONDUITS, CABINETS AND EQUIPMENT, AND SHALL VERIFY SIZE AND LOCATION BEFORE

PROCEEDING WITH WORK.

PROVIDE FIRE RESISTIVE CLOSURE, MEETING THE REQUIREMENTS OF THE GOVERNING

FIRE AUTHORITIES, AT ALL GAPS AROUND THE PENETRATING DUCT, PIPES, CONDUITS, OR

LIKE ITEMS AT ALL FIRE RATED BUILDING COMPONENTS.

THE CONTRACTOR SHALL VERIFY ALL ROUGH-IN DIMENSIONS AND EQUIPMENT,

FURNISHED AND INSTALLED BY HIMSELF/HERSELF OR OTHERS, PRIOR TO PROCEEDING

WITH WORK.

CONTRACTOR SHALL PROVIDE ALL REQUIRED MECHANICAL AND ELECTRICAL

CONNECTIONS, INCLUDING STUB OUTS FOR NEW OR FUTURE WORK INDICATED.

NORTH ARROW

SECTION

NUMBER

SHEET NUMBER

DETAIL REFERENCE

DETAIL NUMBER

SHEET NUMBER

XXX

DOOR NUMBERS

NUMBER

DESIGNATES

KEY NOTE

ARCHITECTURAL SYMBOLS:

ROOM NAME

DENOTES

ELEVATION

SHOWN

ELEVATION

NUMBER

SHEET

NUMBER

NUMBER

DESIGNATES

WINDOW TYPE

NUMBER DESIGNATES

(VERTICAL) LETTER

DESIGNATES

(HORIZONTAL) GRID

BUBBLES

XXX

EXISTINGNEW

X XX

1/8

STANDARD DIMENSION STYLE

DIMENSION W/

DOT INDICATE

CENTERLINE OF

OBJECT

STANDARD

DIMENSIONS

0"

ROOM NUMBER

INTERIOR WALL IDENTIFICATION

CUSTOM

PLAM1 • V • L

24 • 24 • 34.5

CUSTOM SIZE

MATERIAL

SIZE: W•D•H

LIGHT VALANCE

PLAM1

4 • 25 • 1.50

MATERIAL

BACKSPLASH SIZE: H

COUNTERTOP SIZE: D

XX

X X

EXTERIOR WALL IDENTIFICATION

WALL TYPE

COUNTERTOP THICKNESS

X

XX.XX SIM

XX.XX

X

X X

X

XX.XX

X SIM 3/8" 3/8"

DRAWING REFERENCE DOOR IDENTIFICATION WINDOW IDENTIFICATION EXTERIOR & INTERIOR ELEVATION SPOT ELEVATION

SECTION TAG ROOM IDENTIFICATION STRUCTURAL GRID KEYNOTE FINISH TAG

CASEWORK TAG COUNTERTOP TAG

# View Name 1/8" = 1'-0"

Room name

RM ###

Floor Finish Base Finish Wall Finish

Remarks

WALL TYPE

INSULATION IDENTIFIER

ADDITIONAL COMMENTS / MODIFIER

FIRE RATING

LOCK INDICATOR

Room Name

NORTH

NORTH

DIRECTION

AIR BARRIER , FLUID APPLIED

4" RIGID MINERAL WOOL BOARD INSULATION

- 'ROCKWOOL COMFORTBOARD 110'

MTL PANEL ON EX CMU OR CONC

W1

R-VALUE 18.8 (h·ft²·°F)/BTU

EXISTING WALL - CONCRETE OR MASONRY

1" VENTED HAT CHANNELS - HORIZONTAL

STRAPPING WITH LONG SCREW

ATTACHMENT. USE MANUFACTURER

APPROVED FASTENERS AND FASTENING

PATTERN

1 1/2" 1" 4"

VERTICAL JOINTS WITH GUTTER

SPLICE

FASTENERS @ MIN 32" OC INTO TOP AND

BOTTOM FLANGE STAGGERED - REFER TO

SPECIFICATIONS

2"

REMOVE 2" EXISTING EIFS

W2

W1

AIR BARRIER , FLUID APPLIED

EXISTING WALL - METAL FRAMED

SAME ASSEMBLY AS DESCRIBED ABOVE

METAL PANEL ON EX MTL STUD WALL

W2

R-VALUE 19.7 (h·ft²·°F)/BTU

X2

X1

X3

ROOF MEMBRANE ON EX PATIO CONCRETE WALL

X1

ROOF MEMBRANE ON EX PATIO STUD WALL

X2

ROOF MEMBRANE ON EX PENTHOUSE WALL

X3

1 1/2"2 1/8"

1 5/8"

7/8" HAT CHANNEL - 18GA G90 GALVANIZED,

VERTICAL AT 16" OC

1/2

REMOVE 2" EXISTING EIFS

5/8" PLYWOOD SHEATHING

ROOF MEMBRANE (KEE)

EXISTING CONCRETE WALL

ROOF MEMBRANE (KEE)

5/8" PLYWOOD SHEATHING

2" RIGID INSULATION

REMOVE EXISTING EIFS AND

GYP SHEATHING

REMOVE EXISTING EIFS AND

GYP SHEATHING

EXISTING STRUCTRAL FRAMING

CAVITY

EXISTING STUD WALL

ROOF MEMBRANE (KEE)

5/8" PLYWOOD SHEATHING

1" RIGID INSULATION

REMOVE EXISTING EIFS

SAME ASSEMBLY AS ABOVE

MAINTAIN EXISTING SHEATHING, PATCH IN

NEW SHEATHING WHERE DETERIORATED

7'- 0"

R O, F V

EQ

EQ

7'-0" RO, FV6'-0" RO, FV

3'-6" 3'-6"EQ EQ

EQ

EQ

7'- 0"

R O, F V

2" x 4 1/2" THERMALLY FRONT GLAZED STOREFRONT UNITS

LOW-E THERMAL GLAZING WITH LAMINATED EXTERIOR GLASS LAYER

SF

W1

SF

W2

1 1/2" = 1'-0"1 WALL TYPES

PLANNING ARCHITECTURE INTERIORS

900 Mulberry Street Des Moines, Iowa 50309 515.633.2941 www.invisionarch.com

Copyright © 2026

SHEET NAME:

DATE:

SHEET SET:

SHEET:

THIS SHEET MUST BE PRINTED IN COLOR TO VIEW CONTENT PROPERLY

REVISIONS:

DESCRIPTION DATE

OWNER SIGN-OFF:

NAME DATE

PROJECT NO.

INVISION NO.

CONTRACT NO. C622A1601

20 JULY 2026

TITLE SHEET, WORK ARE,

WALLS, WINDOW TYPES

BID SET

25237 G0.01 - TITLE SHEET, WORK ARE, WALLS, WINDOW TYPES

G0.01

25237

A

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19084320

PROJECT NO.

A1 PHASE 2 - CENTRAL ROOF REPAIRS

7105 NW 70th AVE, JOHNSTON, IA 50131

BID SET

20 JULY 2026

G0.00 COVER SHEET

G0.01 TITLE SHEET, WORK ARE, WALLS, WINDOW TYPES

A1.00 OVERALL PLAN, SECTIONS, 3D VIEW

A2.00 PENTHOUSE PLAN AND ELEVATIONS

A3.00 ALTERNATE 1 - WING WALLS

A4.00 WALL SECTIONS, DETAILS

A4.01 DETAILS, ALTERNATE 1 WALL SECTIONS

L

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EN

SE

D

PRO

FESSIONAL

ARCH

ITECT

O WI A

I hereby certify that the portion of this technical submission described below was prepared by me or under my direct supervision and responsible charge. I am a duly licensed architect under the laws of the State of Iowa.

Pages or sheets covered by this seal

Printed or typed name

Signature

Registration expires

DateJASON D.

DEVRIES

06713

JASON D. DEVRIES

GENERAL AND ARCHITECTURAL SERIES

JUNE 30, 2028

ACT ACOUSTICAL CEILING TILE

ADA AMERICANS WITH DISABILITIES ACT

ADJ ADJUSTABLE

AFF ABOVE FINISHED FLOOR

AHU AIR HANDLING UNIT

ALT ALTERNATE

ALUM ALUMINUM

AMC ACOUSTICAL METAL CEILING

ANOD ANODIZED

ANSI AMERICAN NATIONAL STANDARD INSTITUTE

AP ACRYLIC PANEL

APROX APPROXIMATE

ARCH ARCHITECTURAL

ASTM ASTM INTERNATIONAL

AW ACOUSTICAL WALLCOVERING

BB BURNISHED BLOCK

BD BOARD

BGC BY GENERAL CONTRACTOR

BLDG BUILDING

BLKG BLOCKING

BO BY OTHER (THAN CONTRACTOR)

BR BUMPER RAIL

BRG BEARING

CAB CABINET

CB CARPET BASE

CC CUBICAL CURTAIN

CFCI CONTRACTOR FURNISHED CONTRACTOR INSTALLED

CG CORNER GUARD

CIP CAST-IN-PLACE

CJ CONTROL JOINT

CK CORK

CL CENTER LINE

CLG CEILING

CLR CLEAR

CMU CONCRETE MASONRY UNIT

CNTR COUNTER

CONC CONCRETE

CONST CONSTRUCTION

CONT CONTINUOUS

CORR CORRIDOR

CPT CARPET

CS CONCRETE SEALED

CSWK CASEWORK

CTOP COUNTERTOP

CTR CENTER, CENTERED

CW CURTAIN WALL

DBL DOUBLE

DEMO DEMOLITION

DEPT DEPARTMENT

DF DRINKING FOUNTAIN

DIA DIAMETER

DIAG DIAGONAL

DIM DIMENSION

DISP DISPENSER

DN DOWN

DP DEPTH

DTL DETAIL

DW DISHWASHER

DWG DRAWING

EA EACH

EC ENTRY CARPET

EF EPOXY FLOOR

EIFS EXTERIOR INSULATION AND FINISH SYSTEM

EJ EXPANSION JOINT

EL ELEVATION

ELECT ELECTRICAL

ELEV ELEVATOR

EMER EMERGENCY

ENCL ENCLOSURE

EQ EQUAL

EQUIP EQUIPMENT

EX EXISTING

EXP EXPANSION, EXPOSED

EXT EXTERIOR

FCB FIBER CEMENT BOARD

FD FLOOR DRAIN

FE FINISHED END PANEL

FEC FIRE EXTINGUISHER CABINET

FEW FIRE EXTINGUISHER WALL

FHC FIRE HOSE CABINET

FIN FINISH

FIXT FIXTURE

FLEX FLEXIBLE

FLR FLOOR

FOF FACE OF FINISH

FRP FIBERGLASS REINFORCED PLASTIC

FT FOOT OR FEET

FTP FIRE TREATED PLYWOOD

FV FIELD VERIFY

G GROUND

GA GAGE, GAUGE

GALV GALVANIZED

GB GRAB BAR

GC GENERAL CONTRACTOR

GF GRAPHIC FILM

GFCI GROUND FAULT CIRCUIT INTERRUPTER

GL GLASS

GP GLASS PANEL

GR GROUT

GYP GYPSUM

GYP BD GYPSUM BOARD

HD HAND DRYER

HDG HOT DIPPED GALVANIZED

HDW HARDWARE

HM HOLLOW METAL

HORIZ HORIZONTAL

HPC HIGH PERFORMANC COATING/ED

HR HANDRAIL

HT HEIGHT

HVAC HEATING, VENTILATION, & AIR CONDITIONING

IB INTEGRAL BASE

IBC INTERNATIONAL BUILDING CODE

ID INSIDE DIAMETER

IN INCH

INSUL INSULATION

INT INTERIOR

JAN JANITOR

JT JOINT

KS KNEE SPACE

L LOCK

LAV LAVATORY

LKR LOCKER

LVR LOUVER

MAX MAXIMUM

MECH MECHANICAL

MEZZ MEZZANINE

MFR MANUFACTURER

MIN MINIMUM

MISC MISCELLANEOUS

MKBD MARKERBOARD

MLWK MILLWORK

MM MILLIMETER

MO MASONRY OPENING

MTD MOUNTED

MTL METAL

N NEW

NA NOT APPLICABLE

NFPA NATIONAL FIRE PROTECTION ASSOCIATION

NIC NOT IN CONTRACT

NOM NOMINAL

NTS NOT TO SCALE

OC ON CENTER

OD OUTSIDE DIAMETER

OFCI OWNER FURNISHED, CONTRACTOR INSTALLED

OFOI OWNER FURNISHED, OWNER INSTALLED

OFVI OWNER FURNISHED, VENDER INSTALLED

OH OVERHEAD

OPNG OPENING

OPP OPPOSITE

ORD OVERFLOW ROOF DRAIN

OTS OPEN TO STRUCTURE

PC POLISHED CONCRETE

PLAM PLASTIC LAMINATE

PLYWD PLYWOOD

PR PAIR

PREFIN PREFINISHED

PT PAINT

PTD PAPER TOWEL DISPENSER

RAD RADIUS

RAF RESILIENT ATHLETIC FLOORING

RB RESILIENT BASE

RC RESILIENT CHANNEL

RCP REFLECTED CEILING PLAN

RD ROOF DRAIN

REF REFRIGERATOR

REINF REINFORCE

REQD REQUIRED

RF RESILIENT FLOORING

RO ROUGH OPENING

RTU ROOF TOP UNIT

RV ROOF VENT

SC SCRIBE

SCHED SCHEDULE

SIM SIMILAR

SLNT SEALANT

SN STAIR NOSING

SPEC SPECIFICATION

SPECD SPECIFIED

SQ SQUARE

SR STAIR RISER

SSM SOLID SURFACE MATERIAL

SST STAINLESS STEEL

ST STAIR TREAD

STN STAIN

STRUCT STRUCTURAL

SURF SURFACE

SUSP SUSPEND

SYMM SYMMETRICAL

T TEMPERED

T&G TONGUE AND GROOVE

TB TILE BASE

TC TROWELED CONCRETE

THRU THROUGH

TK TACKABLE SURFACE

TKBD TACKBOARD

TL TILE

TM T MOLDING

TOB TOP OF BEAM

TOC TOP OF CONCRETE

TOF TOP OF FOOTING

TOS TOP OF STEEL

TP TOILET PARTITION

TPD TOILET PAPER DISPENSER

TSTAT THERMOSTAT

TV TELEVISION

TYP TYPICAL

TZ TERRAZZO

UL UNDERWRITERS LABORATORIES

UNF UNFINISHED

UNO UNLESS NOTED OTHERWISE

V LIGHT VALANCE

VERT VERTICAL

VEST VESTIBULE

VIF VERIFY IN FIELD

VTR VENT THOUGH ROOF

VWP VINYL WALL PAD

W/ WITH

W/O WITHOUT

WB WOOD BASE

WBL WOOD BLOCKING

WC WALL COVERING

WD WOOD

WDSF WOOD SPORTS FLOORING

WF WOOD FLOORING

WOC WALK-OFF CARPET

WP WALL PROTECTION

WR WATER RESISTANT

WSCT WAINSCOT

WT WINDOW TREATMENT

SHEET INDEX:

PROJECT LOCATION

NORTH NORTH

WORK AREA PLAN

TOWER 1

NIC

TOWER 2

NIC

TOWER 3NIC

TOWER 4NIC

ALTERNATES:

#01:

BASE BID:

PERFORM WORK DESCRIBED IN THE THESE DOCUMENTS ON THE CENTRAL PENTHOUSE AND TOWER WALLS

AND MECHANICAL PATIO ONLY

ADD ALTERNATE:

ADD THE WORK DESCRIBED IN THESE DOCUMENTS ON THE NORTH AND SOUTH WING WALLS

ABBREVIATIONS

ADD ALTERNATE 1 (SOUTH WING)

ADD ALTERNATE 1 (NORTH WING)

1/4" = 1'-0"

WINDOW TYPES

TOWER

PENTHOUSE

MECHANICAL PATIO

NW 78th Ave

NW

Beaver Dr

A2.00

A3.00

A3.00

A2.004

A2.00

A2.00

A2.00

A2.00

A2.00 5

A2.00

A3.00 4 A3.005

EXISTING MECH

TOWER - NIC

EXISTING MECH

TOWER - NIC

EXISTING MECH

TOWER - NIC

EXISTING MECH

TOWER - NIC

OPEN TO BELOW

ELEV

MECHANICAL

PENTHOUSE

EXTERIOR

MECHANICAL

ROOFTOP PATIO

BASE BID - CENTRAL PENTHOUSE RE-CLADDING ALTERNATE 1

ALTERNATE 1ALTERNATE 1

ALTERNATE 1

ALTERNATE 1

ALTERNATE 1 PROTECT EXISTING ROOFS

PROTECT EXISTING ROOFS

NEW ROOFING

PROTECT EXISTING ROOFS

PROTECT EXISTING ROOFS

EXIST RTU

A4.00

A4.00

PENTHOUSE INTERIOR - NIC

A3.00

A3.00

A4.01

A4.00

A4.00

A4.00

A4.00

A4.01

PLANNING ARCHITECTURE INTERIORS

900 Mulberry Street Des Moines, Iowa 50309 515.633.2941 www.invisionarch.com

Copyright © 2026

SHEET NAME:

DATE:

SHEET SET:

SHEET:

REVISIONS:

DESCRIPTION DATE

OWNER SIGN-OFF:

NAME DATE

PROJECT NO.

INVISION NO.

CONTRACT NO. C622A1601

20 JULY 2026

OVERALL PLAN,

SECTIONS, 3D VIEW

BID SET

25237 A1.00 - OVERALL PLAN, SECTIONS, 3D VIEW

A1.00

25237

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19084320

NORTH

1/16" = 1'-0"1 LEVEL 3 PLAN OVERALL PENTHOUSE PLAN

2 3D VIEW LOOKING SOUTHWEST

0 8 16 322 4FEET:

1/16"=1'-0"

A2.00

A2.004

A2.00

A2.00

A2.00

A2.00

A2.00 5

EXTERIOR

MECHANICAL

ROOFTOP PATIO

MECHANICAL

PENTHOUSE

OPEN TO BELOW

ELEV

EXIST

COOLING

TOWER

A4.00

A4.00

A4.00

A4.00

A4.00

A4.00

A4.00

A4.00

A4.01

PROVIDE NEW SUPPORTS

UNDER STAIR

X3

X1

X1

X1

X3

X1

X2

X2

X1

X1

AREA OF NEW

PROTECTIVE WALK PADS

AREA OF NEW

PROTECTIVE WALK PADS

W1

W1

W1

W1

W1

W1

REMOVE EXISTING ROOF MEMBRANE ON

ENTIRE PATIO, RETAIN EXISTING INSULATION,

RE-ROOF PATIO WITH NEW COVER BOARD

AND FULLY ADHERED KEE MEMBRANE

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

A4.00

REPLACE EXISTING LOUVER WITH NEW

2'- 6"

2'- 6"

2'- 6"

2'- 0"

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

A4.00

REPLACE EXISTING LOUVER WITH NEW

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

A4.00

ROOF MEMBRANE ON

SHEATHING

ROOF MEMBRANE ON

NEW SHEATHING AT

CONCRETE COLUMN

NEW MEMBRANE FLASHING AT

EXISTING THRU-WALL SCUPPER

TERM BAR & FLASHING

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

A2.00

A4.00 16

A4.00

PROVIDE WATER-TIGHT PIPE OR

MEMBRANE SLEEVE AT ALL WALL

PENETRATIONS, TYP

X2X1 X1

REFER TO WALL TYPE SHEET

TERM BAR AND FLASHING

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

NEW MEMBRANE FLASHING AT

EXISTING THRU-WALL SCUPPER

OPENING

TERM BAR & FLASHING

X1X1

REFER TO WALL TYPE SHEET

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

A2.00

A4.00

ROOF MEMBRANE ON

NEW SHEATHING AND

INSULATION

REPLACE EXISTING HOLLOW METAL

DOOR, FRAME, WITH CLOSER AND

KEYED THUMB LOCK

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

A2.00

7'- 0"

'-0

7'-

0" 2'-

6"

HO

RI

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AL

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EA

LS

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BE

1" W

ID

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YP

VERTICAL REVEALS TO BE 1/2" WIDE, TYP.

MAX PANEL MODULE = 30" X 96"

REPLACE EXISTING LOUVERS WITH NEW

REPLACE EXISTING LOUVERS WITH NEW

A4.00

A4.00

SF

W1

SF

W1

SF

W1

SF

W2

SF

W2

SF

W2

SF

W1

SF

W2

A4.00

8"

STOREFRONT REPLACEMENT WINDOW, TYP.

1'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

A2.00

A2.00

A2.00

A2.00

A2.00 5

(6) EXISTING 4" X 6" TUBE STEEL BEAMS -

REMOVE RUST, REFINISH WITH HIGH-

PERFORMANCE COATING

REMOVE EXISTING SHEET METAL CAPS AND REPLACE WITH NEW. INSTALL

ROOF MEMBRANE FLASHING AND COVER WITH NEW SHEET METAL CAPS

EXISTING

COOLING

TOWER

NEW PREFIN METAL COVER ON EXIST STONE

COPING, TOP AND BACK OF CAP STONES ONLY

A4.00

NEW PREFIN SHEET METAL ROOF

EDGE AT EXIST CAP STONES

PROTECT PENTHOUSE ROOF

A4.00

NEW PREFIN METAL COVER ON EXIST

STONE COPING, TOP AND BACK OF CAP

STONES ONLY

NEW PREFIN SHEET METAL COPING

OVER ENTIRE EXIST CAP STONES

A4.00

A4.00

REPLACE EXISTING MEMBRANE ROOF AND

COVER BOARD WITHIN EXISTING PATIO.

EXTEND THE MEMBRANE UP THE INSIDE OF

ALL PATIO PERIMETER WALLS

PROTECT EXISTING ROOF DRAIN

PROTECT EXISTING ROOF DRAIN

EXISTING THRU-WALL SCUPPER BELOW

EXISTING THRU-WALL SCUPPER BELOW

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

EXISTING COOLING TOWER

EXISTING STEEL BEAMS, REMOVE RUST

AND REFINISH WITH HIGH PERFORMANCE

COATING

EXISTING OPENING BEYOND

MECHANICAL

PENTHOUSE

OPEN TO BELOW

EXITING SKYLIGHT - PROTECT

NEW REPLACEMENT WINDOWS, TYP

PLANNING ARCHITECTURE INTERIORS

900 Mulberry Street Des Moines, Iowa 50309 515.633.2941 www.invisionarch.com

Copyright © 2026

SHEET NAME:

DATE:

SHEET SET:

SHEET:

REVISIONS:

DESCRIPTION DATE

OWNER SIGN-OFF:

NAME DATE

PROJECT NO.

INVISION NO.

CONTRACT NO. C622A1601

20 JULY 2026

PENTHOUSE PLAN AND

ELEVATIONS

BID SET

25237 A2.00 - PENTHOUSE PLAN AND ELEVATIONS

A2.00

25237

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19084320

NORTH

1/8" = 1'-0"1 PENTHOUSE PLAN

1/8" = 1'-0"4 PENTHOUSE ELEVATION NORTH

1/8" = 1'-0"3 PENTHOUSE ELEVATION SOUTH

1/8" = 1'-0"5 MECHANICAL PATIO NORTH

1/8" = 1'-0"7 MECHANICAL PATIO EAST

1/8" = 1'-0"8 MECHANICAL PATIO SOUTH

1/8" = 1'-0"6 MECHANICAL PATIO WEST

1/8" = 1'-0"2 PENTHOUSE ELEVATION WEST

0 4 8 16 241 2FEET:

1/8"=1'-0"

NORTH

1/8" = 1'-0"9 PARTIAL ROOF PLAN

0 4 8 16 241 2FEET:

1/8"=1'-0"

1/8" = 1'-0"10 PENTHOUSE SECTION

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

BASE BID ALTERNATE 1

STOREFRONT

REPLACEMENT

WINDOW, TYP

NICNIC

A4.01

A4.01

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

1'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

5'- 0"

2'- 6"

5'- 0"

FV6'-0"4'-8"8'-0"6'-0"8'-0"FVFV 6'-0" 5'-10 1/2" 13'-10 3/4" 14'-0" 7'-11 3/4" 6'-0" 7'-10" 6'-7 1/4" 6'-0" 6'-3 1/4"

NIC NIC

FV 6'-0" 6'-4" 6'-4" 6'-0" 6'-6" FV

EXISTING AIR INTAKE TO REMAIN

BASE BID ALTERNATE 1

EXISTING LOUVERS

TO REMAIN, TYP

STOREFRONT

REPLACEMENT

WINDOW, TYP.

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

SF

W2

A3.00

A3.007A3.00 6

A4.01

A4.01

A3.00

A3.00 4 A3.005

EXISTING AIR INTAKE TO REMAIN

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

6" 8'-0" 7'-7"

1'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"2

'-0 3/

4"

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

PLANNING ARCHITECTURE INTERIORS

900 Mulberry Street Des Moines, Iowa 50309 515.633.2941 www.invisionarch.com

Copyright © 2026

SHEET NAME:

DATE:

SHEET SET:

SHEET:

REVISIONS:

DESCRIPTION DATE

OWNER SIGN-OFF:

NAME DATE

PROJECT NO.

INVISION NO.

CONTRACT NO. C622A1601

20 JULY 2026

ALTERNATE 1 - WING

WALLS

BID SET

25237 A3.00 - ALTERNATE 1 - WING WALLS

A3.00

25237

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19084320

1/8" = 1'-0"8 WEST ELEVATION - SOUTH WING (ALTERNATE 1)

1/8" = 1'-0"3 WEST ELEVATION - NORTH WING (ALTERNATE 1)

NORTH

1/8" = 1'-0"2 WEST WALL PLAN -SOUTH WING (ALTERNATE 1)

NORTH

1/8" = 1'-0"1 WEST WALL PLAN - NORTH WING (ALTERNATE 1

1/8" = 1'-0"5 NORTH ELEVATION - NORTH WING (ALTERNATE 1)

1/8" = 1'-0"4 SOUTH ELEVATION - NORTH WING (ALTERNATE 1)

0 4 8 16 241 2FEET:

1/8"=1'-0"

1/8" = 1'-0"6 SOUTH ELEVATION - SOUTH WING (ALTERNATE)1

1/8" = 1'-0"7 NORTH ELEVATION - SOUTH WING (ALTERNATE)1

THIRD FLOOR (PENTHOUSE)

28' - 0"

NEW PREFIN SHEET METAL FLASHING AND

GUTTER AT ROTUNDA

NEW STOREFRONT WINDOW

W1

A4.00

A4.00

A4.00

NEW STOREFRONT WINDOW

A4.00

1'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

2'- 5"

F V

1'- 0"

7'- 0"

R O

'-0

" F V

7'- 0"

R O

3'- 2 1

/4"

PROTECT SKYLIGHT

EXISTING STUD WALLS

AND SHEATHING, TYP

W1

A4.00 1 Sim

A4.00

Sim

OVERLAY EXISTING STOOLS WITH 1/4" SOLID

SURFACE SHEET

SF

W1

2'-6" FV

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

REPLACE EXISTING LOUVERS WITH NEW

W1

A4.00

A4.00

A4.00

A4.00

A4.01

1'-1 1/2" FW

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

'-0

2'-

0"

EXTERIOR

MECHANICAL

ROOFTOP PATIO

ROOF MEMBRANE (KEE) - ADHERE TO

COPING

EXISTING STONE VENEER

WALL AND STONE CAP

EXISTING STRUCTURAL TRUSS

NEW KEE ROOFING OVER

NEW COVER BOARD

A4.01

A4.01

X2

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

NEW METAL ROOF EDGE

EXTEND ROOF MEMBRANE OVER COPING

ROOF MEMBRANE (KEE)

EXISTING STONE COPING

W1

METAL PROFILE PANEL OVER HAT CHANNELS

OVER 4" RIGID MINERAL WOOL BOARDS

ROOF MEMBRANE - TIE INTO EXISTING

MTL BASE FLASHING

EXTERIOR

MECHANICAL

ROOFTOP PATIO

A4.00 5 Sim

A4.01 7 Sim

6" 3"

2'- 6"

2'- 6"

2'- 6"

2'- 6"

NEW KEE MEMBRANE ROOFING

OVER NEW COVER BOARD

TERMINATION BAR

KEE ROOF MEMBRANE ON 5/8" EXTERIOR

PLYWOOD ON 7/8" GALV HAT CHANNELS

X1

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

NEW METAL COPING

EXTEND ROOF MEMBRANE OVER COPING

EXISTING STONE COPING

METAL PROFILE PANEL OVER HAT CHANNELS

OVER 4" RIGID MINERAL WOOL BOARDS

MTL BASE, THROUGH-WALL FLASHING

ROOF MEMBRANE

REPLACE EXISTING LOUVER WITH NEW

W1

METAL PROFILE PANEL OVER HAT CHANNELS

OVER 4" RIGID MINERAL WOOL BOARDS

6"

WATERPROOFING

MECHANICAL

PENTHOUSE

A4.00

A4.01

A4.00 11 Sim

A4.00 8 Sim

FW

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

EXTERIOR

MECHANICAL

ROOFTOP PATIO

MECHANICAL

PENTHOUSE

A4.00

A4.00

NEW HOLLOW METAL DBL DOOR AND FRAME IN

EXISTING OPENING

NEW KEE ROOFING OVER

NEW COVER BOARD, TYP

NO SCOPE OF

WORK IN

INTERIOR

NEW METAL COPING

X3

EXISTING WALL ASSEMBLY, REMOVE EIFS,

TYPICAL FOR PATIO INSIDE WALLS

NEW PLYWOOD SHEATHING OVER 2"

MINERAL WOOL BOARD INSULATION

THIRD FLOOR (PENTHOUSE)

28' - 0"

TOW

41' - 0"

A4.01

A4.01

EXISTING STONE VENEER WALL

PROTECT EXISTING STONE

COPING

EXISTING STRUCTURAL COLUMNS

ROOF MEMBRANE - ADHERE TO COPING AND NEW

TAPERED INSULATION AFTER EXISTING METAL

CAP TEAR-OFF

KEE ROOF MEMBRANE ON 5/8" EXTERIOR

PLYWOOD ON 7/8" GALV HAT CHANNELS

X1

2ND FLOOR

13' - 4"

EXISTING WALL ASSEMBLY

STOREFRONT FRAME 2" x 4 1/2" W/

LAMINATED GLAZING

AIR BARRIER

TERMINATION BAR

LINE OF METAL WALL PANEL BEYOND

SLOPED SILL BLOCKING

ROOF MEMBRANE - TIE INTO EXISTING

4" RIGID MINERAL WOOL BOARD INSULATION

SLOPED METAL SILL

5/8" ROOF COVER BOARD

AIR BARRIER

REMOVABLE COUNTERFLASHING

12GA GALV 4X4 SILL SUPPORT ANGLES

PATCH EXISTING SHEATHING

WHERE DAMAGED

PROVIDE END DAMS AT JAMBS, TYP

5/8" ROOF COVER BOARD

REMOVE EXISTING EIFS, TYP.

OVERLAY EXISTING STOOLS WITH 1/4"

SOLID SURFACE SHEET

2ND FLOOR

13' - 4"

PANEL STARTER CLEAT

4" RIGID MINERAL WOOL BOARD INSULATION

CLOSURE CHANNEL, PERFORATED

EXISTING WALLS

FLASHING STRIP

(2) FASTENERS PER CLIP

AIR

FLOW

FASTENERS @ MIN 32" OC INTO TOP AND

BOTTOM FLANGE STAGGERED

1 1/4"

AIR

TERMINATION BAR

METAL FLASHING AND COUNTER FLASHING

ROOF MEMBRANE - TIE INTO EXISTING

4" RIGID MINERAL WOOL BOARD INSULATION

ALUMINUM WALL PANEL

1/2" ROOF COVER BOARD

ALIGN FLASHING WITH SILL FLASHING AT WINDOWS

LIGHT GAGE GALV SUPPORT CHANNEL

THIRD FLOOR (PENTHOUSE)

28' - 0"

PANEL STARTER CLEAT

CLOSURE CHANNEL, PERFORATED

FLASHING STRIP

(2) FASTENERS PER CLIP

AIR

FLOW

1 1/4"

AIR

TERMINATION BAR

METAL FLASHING AND COUNTER FLASHING

ROOF MEMBRANE - TIE INTO EXISTING

ALUMINUM WALL PANEL

5/8" ROOF COVER BOARD

FASTENERS @ MIN 32" OC INTO TOP AND

BOTTOM FLANGE STAGGERED

4" RIGID MINERAL WOOL BOARD INSULATION

ROOF MEMBRANE

2'- 6 3

/4"

VA

RI

ES

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4" RIGID MINERAL WOOL BOARD INSULATION

LIGHT GAGE GALV SUPPORT CHANNEL

VE

RT

IC

AL

JO

IN

TS

A

RE

1/

2" W

ID

E

1" T

YP

IC

AL

H

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ON

TA

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EA

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TYPICAL PANEL HEIGHT MODULE IS 30" OC. REFER

TO ELEVATIONS ADN WALL SECTIONS FOR MORE

INFORMATION

HEAD TRIM WITH DRIP, MATCH

PANEL FINISH

METAL WALL PANEL

4" RIGID MINERAL WOOL BOARD INSULATION

PANEL STARTER CLEAT

VENTED CLOSURE

AIR BARRIER

AIR

FLOW

FASTENERS @ MIN 32" OC INTO TOP AND

BOTTOM FLANGE STAGGERED

VENTED HAT CHANNEL 18GA GALV STEEL

FASTENER @ 12" OC TYP

STOREFRONT FRAME 2" x 4 1/2" W/

LAMINATED GLASS

WALL TRIM, MATCH PANEL FINISH

REPLACE EXISTING HEAD BLOCKING

WHERE DETERIORATED OR DAMAGED

PATCH GYPBOARD CORNERS

WHERE DAMAGED BY WINDOW

REMOVAL

SLOPE PREFINISHED METAL SILL

FASTENER @ 12" OC

CONTINUOUS CLEAT

FASTENERS AT 16" OC, VERIFY TYPE

WITH PANEL SUPPLIER

STOREFRONT FRAME 2" x 4 1/2" W/

LAMINATED GLASS

ALUMINUM WALL PANEL

2X WOOD BLOCKING, ENTIRE WINDOW

PERIMETER

SILL SUPPORT CHANNEL,

18GA GALV

2"

AIR

SHIM

OVERLAY EXISTING STOOLS WITH 1/4" SOLID

SURFACE SHEET

PROVIDE END DAMS AT JAMBS

AIR BARRIER

2-PIECE JAMB TRIM

JAMB SPLICE, ERECTOR TO NOTCH PANEL

SIDE LEG AT PANEL INTERSECTIONS

VENTED HAT CHANNEL 18 GA GALV STEEL

PANEL CLIP

ALUMINUM WALL PANEL

STOREFRONT FRAME 2" x 4 1/2" W/

LAMINATED GLASS

W1

4" RIGID MINERAL WOOL BOARD INSULATION

FASTENERS @ MIN 32" OC INTO TOP AND

BOTTOM FLANGE STAGGERED

SHIM AS REQUIRED

BACKER ROD & SEALANT - PRIMARY SEAL

VENTED HEAD CLOSURE

4" RIGID MINERAL WOOL BOARD INSULATION

AIR BARRIER , FLUID APPLIED

1"

AIR

FLOW

ALUMINUM PLATE WALL PANEL

FASTENERS 12" OC

2 1/4"4"

PERFORATED SUPPORT TRIM

LIGHT GAGE GALV SUPPORT CHANNEL

SLOPE METAL SILL

METAL JAMB TRIM BEYOND, MATCH

WALL PANEL FINISH

DUAL DRAINABLE LOUVER, CLASS A

WINDOW-DRIVEN RAIN

HEAD TRIM

METAL WALL PANEL

4" RIGID MINERAL WOOL BOARD INSULATION

PANEL STARTER CLEAT

VENTED CLOSURE

AIR

FLOW

VENTED HAT CHANNEL 18GA GALV STEEL

FASTENER @ 12" OC TYP

BACKER ROD & SEALANT, TYP BOTH SIDES

AIR BARRIEREXISTING STUD WALL

CORNER TRIM

DUAL DRAINABLE LOUVER FRAME

EXISTING WALL, CLEAN AND PREP

OPENING AS REQUIRED

PANEL CLIP

FLASHING STRIP

ALUMINUM WALL PANEL

VENTED HAT CHANNEL

METAL JAMB CLOSURE TRIM

METAL CORNER TRIM

AIR BARRIER

THIRD FLOOR (PENTHOUSE)

28' - 0"

DOOR THRESHOLD - SET IN CONT. BED OF

SEALANT - THERMALLY BROKEN

METAL FLASHING AND COUNTER FLASHING ,

REMOVABLE

TERMINATION BAR

NEW KEE ROOFING

MEMBRANE AND COVER

BOARD

5/8" ROOF COVER BOARD

WOOD BLOCKING

ROOF MEMBRANE (KEE)

REPLACE HOLLOW METAL DBL

DOOR AND FRAME WITH NEW,

MATCH SIZE, PAINT

5/8" PLYWOOD SHEATHING

HM FRAME - DOUBLE RABBET

MTL DRIP

METAL HEAD TRIM WITH TRIP, PROVIDE

SIMILAR AT JAMBS WITHOUT DRIP

KEE ROOF MEMBRANE, WRAP

INTO OPENING

X3

ALUM TRIM WATER DEFLECTOR AT HEAD,

ON RUBBER

PROVIDE METAL TRIM AT JAMBS FOR

MEMBRANE PROTECTION

BACKER ROD & SEALANT, TYP BOTH SIDES

WOOD BLOCKING - 2X4 AT HEAD AND JAMBS

THIRD FLOOR (PENTHOUSE)

28' - 0"

EXISTING STUD WALL

EXISTING CONCRETE WALL

8" M

IN

TERMINATION BAR

PREFIN METAL COUNTER FLASHING

NEW MINERAL WOOL BATT

INSULATION FILL

X3 KEE MEMBRANE ROOFING

OVER 5/8" PLYWOOD SHEATHING

OVER 2" RIGID POLYISO INSULATION

PLANNING ARCHITECTURE INTERIORS

900 Mulberry Street Des Moines, Iowa 50309 515.633.2941 www.invisionarch.com

Copyright © 2026

SHEET NAME:

DATE:

SHEET SET:

SHEET:

THIS SHEET MUST BE PRINTED IN COLOR TO VIEW CONTENT PROPERLY

REVISIONS:

DESCRIPTION DATE

OWNER SIGN-OFF:

NAME DATE

PROJECT NO.

INVISION NO.

CONTRACT NO. C622A1601

20 JULY 2026

WALL SECTIONS,

DETAILS

BID SET

25237 A4.00 - WALL SECTIONS, DETAILS

A4.00

25237

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19084320

3/4" = 1'-0"1/A1.00

PENTHOUSE WALL SECTION AT ROTUNDA13

3/4" = 1'-0"1/A1.00

PENTHOUSE WALL SECTION WEST14

3/4" = 1'-0"1/A1.00

PENTHOUSE WALL ABOVE MAIN ENTRANCE17

3/4" = 1'-0"1/A1.00

PENTHOUSE PATIO WALL SECTION NORTH & SOUTH18

3/4" = 1'-0"1/A2.00

PENTHOUSE WALL SECTION SOUTH 115

3/4" = 1'-0"1/A1.00

PENTHOUSE PATIO WALL SECTION WEST19

3/4" = 1'-0"1/A1.00

4 PENTHOUSE WALL AT CONCRETE COLUMN16

3" = 1'-0"13/A4.00

TYPICAL WINDOW SILL AT LOWER ROOF3

3" = 1'-0"14/A4.00

BASE AT LOWER ROOF4

3" = 1'-0"15/A4.00

BASE AT UPPER ROOF5

3" = 1'-0"13/A4.00

WINDOW HEAD1

3" = 1'-0"13/A4.00

WINDOW SILL UPPER ROTUNDA20

3" = 1'-0"13/A4.00

WINDOW JAMB2

3" = 1'-0"14/A4.00

LOUVER SILL DETAIL8

3" = 1'-0"14/A4.00

LOUVER HEAD DETAIL11

3" = 1'-0"14/A4.00

LOUVER JAMB7

3" = 1'-0"19/A4.00

PATIO DOOR THRESHOLD6

3" = 1'-0"19/A4.00

PATIO DOOR HEAD9

3" = 1'-0"1/A2.00

PATIO WALL BASE AT PENTHOUSE10

EXISTING CHANNEL - FV

THIRD FLOOR (PENTHOUSE)

28' - 0"

W1

A4.00 1 Sim

INSTALL NEW STOREFRONTS IN THE SAME

LOCATION A EXISTING IN ORDER TO MINIMIZE

INTERIOR WORK AT WINDOW PERIMETER, TYP

A4.00 3 Sim

A4.00 8 Sim

2ND FLOOR

13' - 4"

THIRD FLOOR (PENTHOUSE)

28' - 0"

A4.00 3 Sim

2'- 1 3

/4" 2'-

5" 2'-

6" 2'-

6" 2'-

6" 2'-

6" 1'-

6"

A4.00 8 Sim

THIRD FLOOR (PENTHOUSE)

28' - 0"

8" M

IN

KEE MEMBRANE ROOFING

OVER 5/8" PLYWOOD SHEATHING OVER

1" RIGID POLYISO INSULATION

TERMINATION BAR

X1

1/2" ROOF COVER BOARD - NEW

EXISTING INSULATION,

PATCH WHERE DAMAGED

ROOF MEMBRANE (KEE) - FULLY ADHERED

WITH HEAT WELDED SEAMS

PREFIN METAL COUNTER FLASHING

TOW

41' - 0"

KEE MEMBRANE ON EXISTING SHEATHING ADHERE MEMBRANE ONTO ENTIRE

TOP OF STONE

EXISTING STONE VENEER

EXISTING WALL ASSEMBLY

THIRD FLOOR (PENTHOUSE)

28' - 0"

8" M

IN

KEE MEMBRANE ROOFING

OVER 5/8" PLYWOOD SHEATHING

OVER 7/8" VERT HAT CHANNELS

TERMINATION BAR

EXISTING WALL OR COLUMN

COUNTER FLASHING

ROOF MEMBRANE (KEE) - FULLY ADHERED

WITH HEAT WELDED SEAMS

X1

1/2" ROOF COVER BOARD

EXISTIN INSULATION, PATCH

WHERE DAMAGED

TOW

41' - 0"

PROTECT EXISTING STONE

COPING

ROOF MEMBRANE - ADHERE TO

COPING AND NEW TAPERED

INSULATION AFTER EXISTING METAL

CAP TEAR-OFF

METAL ROOF EDGE

TERMINATION BAR

TAPERED INSULATION SLOPE 1/4"/FOOT

KEE MEMBRANE OVER 5/8"

COVER BOARD

X1

TOW

41' - 0"

EXTEND ROOF

MEMBRANE

W1

METAL COPING, SLOPE TOP

TIE INTO EXISTING VINYL ROOF

AIR BARRIER

TOW

41' - 0"

VERIFY EXISTING CONDITION

AT BACK OF PARAPET,

TIE IN NEW MEMBRANE

FLASHING WITH EXISTING

ROOF BELOW

MEMBRANE FLASHING

ADHERED TO STONE

6"

CONTINUOUS CLEAT

W1

METAL PANEL WALL

NEW METAL COPING

AIR BARRIER

EXISTING STONE COPING

5/8" ROOF COVER BOARD ON 7/8 GALV HAT

CHANNELS

ROOF MEMBRANE,

COMPATIBLE WITH EXISTING

MEMBRANE

EXTEND MEMBRANE

OVER PARAPET

MECHANICAL PATIO LOOKING NORTH

MECHANICAL PATIO LOOKING SOUTH

REPLACE LIGHT FIXTURE

REMOVE AND REINSTALL ALL DEVICES,

PROVIDE SLEEVES AND GASKETS

AND SEALANTS FOR FOR WATERTIGHT

INSTALLATION OF WALL PENETRATIONS

EXISTING MTL STAIR STRINGER

EXISTING MOUNTING PLATE WELDED

TO STRINGER

KEE ROOF MEMBRANE SYSTEM

1/2" ROOF COVER BOARD

EXISTING INSULATION,

REPAIR AS REQ'D

WOOD BLOCKING

SPRAY INSULATION - FILL ALL VOIDS

6" STEEL CHANNEL - RUNNING CONTINUOUS

UNDER ENTIRE WIDTH OF STAIR TO

DISTRIBUTE LOAD

EXISTING ROOF ASSEMBLY

THREADED ANCHOR BOLT AT EACH

STRINGER

EXTEND ROOF FLASHING

SEALING WASHER

2-PLY MEMBRANE

TEMPORARILY REMOVE STAIR AND

REINSTALL ON HIGHER CURBS AS SHOWN.

PROVIDE SIMILAR CURB UNDER POST

SUPPORTING THE STAIR LANDING

PLANNING ARCHITECTURE INTERIORS

900 Mulberry Street Des Moines, Iowa 50309 515.633.2941 www.invisionarch.com

Copyright © 2026

SHEET NAME:

DATE:

SHEET SET:

SHEET:

THIS SHEET MUST BE PRINTED IN COLOR TO VIEW CONTENT PROPERLY

REVISIONS:

DESCRIPTION DATE

OWNER SIGN-OFF:

NAME DATE

PROJECT NO.

INVISION NO.

CONTRACT NO. C622A1601

20 JULY 2026

DETAILS, ALTERNATE 1

WALL SECTIONS

BID SET

25237 A4.01 - DETAILS, ALTERNATE 1 WALL SECTIONS

A4.01

25237

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19084320

3/4" = 1'-0"1/A1.00

ALTERNATE 1 WALL SECTION AT WINDOW9

3/4" = 1'-0"1/A1.00

ALTERNATE 1 WALL SECTION10

3" = 1'-0"17/A4.00

PATIO BASE DETAIL2

3" = 1'-0"17/A4.00

PATIO PARAPET AT STONE COPING6

3" = 1'-0"16/A4.00

BASE AT PATIO CONCRETE WALLS1

1 1/2" = 1'-0"16/A4.00

COPING AT CONCRETE COLUMN5

3" = 1'-0"14/A4.00

COPING AT STUD WALL, PENTHOUSE ROOF8 3" = 1'-0"15/A4.00

PARAPET AT STONE COPING7

12" = 1'-0"13 EXISTING PHOTOS

3" = 1'-0"14 MECHANICAL STAIR CURB

G0.00 - COVER SHEET
G0.01 - TITLE SHEET, WORK ARE, WALLS, WINDOW TYPES
A1.00 - OVERALL PLAN, SECTIONS, 3D VIEW
A2.00 - PENTHOUSE PLAN AND ELEVATIONS
A3.00 - ALTERNATE 1 - WING WALLS
A4.00 - WALL SECTIONS, DETAILS
A4.01 - DETAILS, ALTERNATE 1 WALL SECTIONS
a1
A1.00 - OVERALL PLAN, SECTIONS, 3D VIEW

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