25237_IANG A1 Ph2 Central Roof Repairs_CD_DWGS_2026-0818.pdf
PDF 17 MB Posted
- 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.
View the file
Other files
| File | Type | Posted |
|---|---|---|
| Targeted Small Business Form (1).pdf | ||
| Form of Bid (3).pdf | ||
| 25237_IANG A1 Ph2 Central Roof Repairs_CDspec_2026-0818.pdf | ||
| 1434065-event.pdf | ||
| Advertisement for Bids (2).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
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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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FESSIONAL
ARCH
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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
ZO
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AL
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EA
LS
T
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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
W
IT
H
RO
OF
S
LO
PE
4" RIGID MINERAL WOOL BOARD INSULATION
LIGHT GAGE GALV SUPPORT CHANNEL
VE
RT
IC
AL
JO
IN
TS
A
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1/
2" W
ID
E
1" T
YP
IC
AL
H
OR
IZ
ON
TA
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EV
EA
L J
OI
NT
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 .