Plans - 492M51 - Maquoketa Garage - 15 Stall.pdf

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Attached to
Remove and Replace EPDM Roof and Ballast at the Maquoketa Maintenance Garage
Solicitation number
645-RFB-2156-2026
Issued by
Jasper County, Maharishi Vedic City, Iowa

About this file

This is a set of architectural plan drawings for the Iowa Department of Transportation's Maquoketa Maintenance Garage roof replacement project (BG-1M51 (010)--80-49), located at 2893 Highway 61, Maquoketa, Iowa 52060. The project involves complete removal and replacement of the existing EPDM roof system, including demolition of the current membrane, ballast, insulation, and vapor barrier down to the roof deck, followed by installation of a new 60-mil EPDM membrane with expanded polyisocyanurate insulation rated to a minimum R-30, a new vapor barrier, and 10 pounds per square foot of washed 3/4" to 1" river rock ballast. The drawings include five sheets: a cover sheet, general notes and abbreviations, demolition roof plan and details, construction roof plan and details, and detailed cross-sections. The project requires installation of six new collector heads and downspouts, new prefinished metal coping, precast concrete pavers at specified perimeter locations, and flashing work in accordance with SMACNA standards. All work must be performed by manufacturer-certified installers, with completion required by May 30, 2026, following a project start after contract award. Pre-bid site visits are scheduled for October 8 and October 9, 2025.

The contractor must verify all field dimensions, roof slopes, and existing equipment locations prior to beginning work and notify the project manager of any discrepancies. Existing roof penetrations and equipment, including a 4-inch soil pipe and wall-mounted antenna mount with cable, are to remain in place. The contractor is responsible for all debris removal to an EPA-compliant waste management facility, structural repairs and notifications, and securing adequate temporary utilities. The contract specifies that the General Conditions of AIA Document A201 (latest edition) will apply, and contractors must be registered with the Iowa Division of Labor. Monthly payments will cover 97 percent of performed work value, including acceptable materials stored on-site. A performance and payment bond may be required if the contract exceeds $25,000. Davis-Bacon wages do not apply to this project. Bidders should note that the Iowa DOT is a tax-exempt agency with specific administrative requirements for contractors.

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LOCATION:

PROJECT:

Resources & Acquisitions Bureau 800 Lincoln Way Ames, Iowa 50010

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MAQUOKETA GARAGE ROOF REPL

BG-1M51 (010)--80-49

2893 HWY 61 MAQUOKETA, IA 52060

INDEX OF DRAWINGS

NO.: SHEET NAME:

A01 COVER

A02 GENERAL NOTES, LEGEND, ABBREVIATIONS

A03 DEMO ROOF PLAN AND DETAILS

A04 CONSTRUCTION ROOF PLAN AND DETAILS

A05 DETAILS

SH

EE

T

SI

ZE

: 2 x

SYMBOLS LEGEND:

NORTH ARROW

A101

SIM

SECTION

SHEET NUMBER

A101

1Ref

1 R ef 1 R ef

1Ref

EXTERIOR ELEVATION

ELEVATION

SHEET NUMBER

A101

Ref View Name

R ef

Vi ew

N am e

1 Ref View Name

R ef

Vi ew

N am e

INTERIOR ELEVATION

ELEVATION

SHEET NUMBER

A101

SIM DETAIL

SHEET NUMBER

Name Elevation

SPOT ELEVATION

1i WALL PARTITION TYPE

101 DOOR OPENING NUMBER

1t WINDOW TYPE

WINDOW OPENING NUMBER

Room name

ROOM NAME

ROOM NUMBER

MATERIALS LEGEND:

ASPHALT

SOIL

GRAVEL

SAND GRAVEL

BRICK

CONCRETE

CMU

WOOD STUD

METAL STUD

BATT INSULATION

RIGID

PLYWOOD

GYPSUM

ABBREVIATIONS:

A

A ASTRAGAL

ADJ ADJUSTABLE

AFF ABOVE FINISHED FLOOR

AHU AIR HANDLING UNIT

ALUM ALUMINUM

& AND

APPROX APPROXIMATE

ARCH ARCHITECT

B

B BASE

BLDG BUILDING

BLKG BLOCKING

BO BY OTHERS

BOT BOTTOM

BRD BOARD

BRK BRICK

BSMT BASEMENT

BUR BUILT-UP ROOFING

C

C CARPET, CORNICE

CB CATCH BASIN

CFMF COLD FORMED METAL FRAMING

CH CEILING HEIGHT

CI CAST IRON

CJ CONTROL JOINT

CL CENTER LINE, CLOSET

CLG CEILING

CLO CLOSET

CLR CLEAR

CMU CONCRETE MASONRY UNIT

COL COLUMN

CONC CONCRETE

CONT CONTINUOUS

CORR CORRIDOR

CP CEILING PAINT

CT CERAMIC TILE

CVB COVED VINYL BASE

D

D DOOR, DRYER

DBL DOUBLE

DEPT DEPARTMENT

DF DRINKING FOUNTAIN

DH DOUBLE HUNG

DIAG DIAGONOL

DIAM DIAMETER

DIM DIMENSION

DISP DISPOSAL

DTL DETAIL

DW DISHWASHER

DWG DRAWING

E

EA EACH

EIFS EXTERIOR INSULATION FINISH SYSTEM

EJ EXPANSION JOINT

EL ELEVATOIN

ELEC ELECTRICAL

ELEV ELEVATOR

EMER EMERGENCY

EQ EQUAL

EQUIP EQUIPMENT

EXIST EXISTING

EXT EXTERIOR

F

FD FLOOR DRAIN

FE FIRE EXTINGUISHER

FF FINISHED FLOOR, FACTORY FINISH

FIN FINISH

FL FLOOR

FOW FACE OF WALL

FT FOOT

FTG FOOTING

G

GA GAUGE

GALV GALVANIZED

GC GENERAL CONTRACTOR

GL GLASS/GLAZING

GWB GYPSUM WALL BOARD

GYP GYPSUM

GYP BD GYPSUM BOARD

H

HB HOSE BIB

HDW HARDWARE

HDWD HARDWOOD

HM HOLLOW METAL

HOR HORIZONTAL

HT HEIGHT

HVAC HEATING, VENTILATION, AIR CONDITIONING

I

ID INSIDE DIAMETER

INS INSULATE (D)

INT INTERIOR

IJ ISOLATION JOINT

J

JAN JANITOR

JT JOINT

K

KIT KITCHEN

L

LAB LABORATORY

LAM LAMINATE

LAV LAVATORY

LT LIGHT

LT GA LIGHT GAUGE

LVR LOUVER

M

M MIRROR

MANUF MANUFACTURER FINISH

MAX MAXIMUM

MB MARBLE

MC MECHANICAL CONTRACTOR

MDO MEDIUM DENSITY OVERLAY

MECH MECHANICAL

MEMB MEMBRANE

MFR MANUFACTURER

MIN MINIMUM

MISC MISCELLANEOUS

MO MOLDING

MTD MOUNTED

MTL METAL

N

NATF NATURAL FINISH

NIC NOT IN CONTRACT

NOM NOMINAL

NS NO SILL

NSF NET SQUARE FOOTAGE

NTS NOT TO SCALE

NUM NUMBER

O

OA OVERALL

OC ON CENTER

OD OUTSIDE DIAMETER

OFF OFFICE

OH OPPOSITE HAND

OHD OVERHEAD DOOR

OPG OPENING

OPP OPPOSITE

P

P PAINT, PANEL MOLDING

PL PLASTIC LAMINATE

PLC POLYCARBONATE

PLYWD PLYWOOD

PNL PANEL

PR PAIR

PT POINT

PTD PAINTED

PTN PARTITION

PVC POLYVINYL CHLORIDE

Q

QT QUARRY TILE

R

R RISER, CHAIR RAIL, RADIUS

RD ROOF DRAIN

RE REFER TO

REF REFERENCE, REFRIDGERATOR

REINF REINFORCED

RESIL RESILIENT

RO ROUGH OPENING

REQ REQUIRED

REV REVISION

RM ROOM

S

SC SOLID CORE, SKIM COAT

SECT SECTION

SF SQUARE FEET

SH SHELVES

SHR SHOWER

SIM SIMILAR

SLR SEALER

SPEC SPECIFICATION

SQ SQUARE

SS STAINLESS STEEL, SERVICE SINK

ST STONE

STL STEEL

STN STAINED

STOR STORAGE

STRUC STRUCTURAL

T

T TREAD, DOOR OPENING, OR WINDOW TRIM

TEL TELEPHONE

TEMP TEMPERED

TF TRANSPARENT FINISH

THK THICKNESS

TOC TOP OF CONCRETE

TOW TOP OF WALL

-X TYPE X

TYP TYPICAL

U

UNO UNLESS NOTED OTHERWISE

UR URINAL

V

VCT VINYL COMPOSITE TILE

VERT VERTICAL

VEST VESTIBULE

VIF VERIFY IN FIELD

VT VINYL TILE

VTR VENT THROUGH ROOF

W

W WASHER

W/ WITH

WC WATER CLOSET, WALL COVERING

WD WOOD

WF WOOD FLOORING

W/O WITHOUT

WP WATERPROOF

WR WATER RESISTANT

WT WEIGHT

GENERAL NOTES:

1. THE GENERAL CONDITIONS OF THE CONTRACT FOR CONSTRUCTION (AIA

DOCUMENT A201 LATEST EDITION) WILL APPLY TO THIS CONTRACT

2. DRAWINGS SHALL NOT BE SCALED FOR DIMENSIONAL INFORMATION

3. THE CONTRACTOR SHALL REVIEW PLANS AND THE AREA OF

CONSTRUCTION CAREFULLY TO ENSURE FULL UNDERSTANDING OF EXACT

SCOPE OF WORK

4. THE CONTRACTOR AND ALL SUBCONTRACTORS SHALL VERIFY ALL

CONDITIONS AND DIMENSIONS IN THE FIELD AND NOTIFY THE PROJECT

MANAGER OF ANY DISCREPANCIES BEFORE PROCEEDING WITH ANY WORK.

NO CHANGES SHALL BE MADE TO ANY PLAN WITHOUT PRIOR COMMENT OF

THE DESIGNER

5. THE CONTRACTOR SHALL FURNISH A SYSTEM OF TEMPORARY LIGHTS,

HEAT AND WATER THROUGHOUT THE SPACE UNDER CONSTRUCTION IF

REQUIRED

6. THE CONTRACTOR SHALL REMOVE FROM THE BUILDING ALL RUBBISH AND

WASTE MATERIALS FOR WORK

7. ALL DRAWINGS AND CONSTRUCTION NOTES ARE COMPLEMENTARY AND

WHAT IS CALLED FOR BY ONE WILL BE BINDING AS IF CALLED BY ALL

8. THE CONTRACTOR SHALL OBTAIN FULL KNOWLEDGE BY PERSONAL AND

CAREFUL EXAMINATION OF ALL EXISTING CONDTIONS AT THE SITE AND OF

ALL REQUIREMENTS OF THE SPECIFICATIONS AND DRAWINGS. THE

CONTRACTOR HEREBY ACCEPTS ALL SUCH CONDITIONS AND

REQUIREMENTS AND HEREBY ASSUME ALL RESPONSIBILITY AND COSTS

RESULTING FROM THE CONTRACTORS FAILURE TO OBTAIN KNOWLEDGE OF

THEM

9. WHERE THE TERM "OR EQUAL" IS USED IN SPECIFICATIONS, IT SHALL BE

UNDERSTOOD THAT THE REFERENCES IS MADE TO THE RULING AND

JUDGEMENT OF THE OWNER AND SHALL BE SUBMITTED TO THE

PURCHASING AGENT FOR REVIEW PRIOR TO BID LETTING

10. CONTRACTOR IS RESPONSIBLE FOR FIELD VERIFYING ALL DIMENSIONS. IF

THERE ARE DISCREPANCIES, CONTACT THE PROJECT MANAGER BEFORE

PROCEEDING.

SHEET

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Resources & Acquisitions Bureau 800 Lincoln Way Ames, Iowa 50010

(515) 239-1299

COUNTY: DISTRICT:

PROJECT NUMBER:

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A02

BG-1M51 (010)--80-49

JACKSON 6

N O

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REMOVE METAL COPING -

TYP

REMOVE FLASHINGS,

COLLECTOR HEADS AND

DOWNSPOUTS

REMOVE BALLAST, EPDM

MEMBRANE, INSULATION,

AND VAPOR BARRIER TO

ROOF DECK

4" SOIL PIPE TO REMAIN

WALL MOUNTED

ANTENNA MOUNT

AND CABLE TO

REMAIN

REMOVE BALLAST, EPDM

MEMBRANE, INSULATION,

AND VAPOR BARRIER TO

ROOF DECK

WIND UPLIFT DIAGRAM:

SHEET

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Resources & Acquisitions Bureau 800 Lincoln Way Ames, Iowa 50010

(515) 239-1299

COUNTY: DISTRICT:

PROJECT NUMBER:

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28 MAY 2025

A03

BG-1M51 (010)--80-49

JACKSON 6

1. CONTRACTOR TO FIELD VERIFY ALL DIMENSIONS, ROOF

SLOPES AND LOCATIONS OF ROOF SYSTEMS

2. EXISTING ROOF EQUIPMENT TO REMAIN. ALL EQUIPMENT

SHOWN IS APPROXIMATE IN SIZE AND LOCATION, VERIFY ALL

EXISTING PENETRATIONS PRIOR TO INSTALLATION

3. SECURE AND EXTEND ALL ROOF PVC PLUMBING VENTS TO A

MINIMUM OF 2"-6" ABOVE THE ROOF WITH SIMILAR MATERIALS

TO EXISTING

4. ROOF HEIGHT 25' TYPICAL

5. STRIP ROOF TO ROOF DECK. STAGGER ALL JOINTS.

6. REMOVE ALL TRASH AND DEBRIS TO A WASTE MANAGEMENT

FACILITY PER EPA REQUIREMENTS

7. CONTRACTOR IS RESPONSIBLE FOR REMOVAL OF ALL

ADDITIONAL DEBRIS AND DISPOSAL OFF SITE

8. STRUCTURAL ISSUES AND REPAIRS ARE NOT INCLUDED IN

THIS PROPOSAL. CONTRACTOR TO NOTIFY OWNER

IMMEDIATELY OF THESE ISSUES

9. CONTRACTOR TO FIX, PATCH, REINFORCE AND REPAIR

EXISTING ROOF (AFTER NOTICING OWNER) PRIOR TO

INSTALLATION OF EPDM ROOFING SYSTEM

DEMO NOTES:

1/8" = 1'-0"1 EXISTING / DEMO ROOF

N O

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A T E:

BY

D E S

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SL

O

PE

M

IN

/4 " P

ER

2"

SL

O

PE

M

IN

/4 " P

ER

2"

SL

O

PE

M

IN

/4 " P

ER

2"

SLOPE

MIN 1/4" PER 12"

SLOPE

MIN 1/4" PER 12"

SLOPE

MIN 1/4" PER 12"

NEW ROOF SURFACE TO BE BALLASTED 60 MIL EPDM MEMBRANE OVER

EXPANDED POLYISOCYANURATE INSULATION OVER VAPOR BARRIER.

PROVIDE MINIMUM LTTR OF R-30.

A05

A05

44' - 0" 101' - 0"

145' - 0"

7'

6"

4' - 0" 35' - 0"

8' - 0" 35' - 0"

A05

A05

A05

A05

6'

9"

40' - 0" 101' - 0"

A05

A05

PROVIDE NEW COLLECTOR HEAD AND

DOWNSPOUTS (6) SIX TOTAL

4" SOIL PIPE

COPING WIDTH VARIES

- VERIFY

COPING WIDTH VARIES -

VERIFY

COPING JOINTS AND

WIDTHS VARY - VERIFY

COPING JOINTS AND

WIDTHS VARY - VERIFY

PROVIDE 16" X 16" X 2"

PRECAST CONCRETE PAVERS

TO 8' FROM EDGE OF CORNERS

AND WITHIN 2' OF EDGE ALONG

PERIMETER @ 3'-0" O.C.

MAINTAIN MIN. 6" FROM

PARAPET EDGE.

WALL MOUNTED

ANTENNA

MOUNT

SHEET

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Resources & Acquisitions Bureau 800 Lincoln Way Ames, Iowa 50010

(515) 239-1299

COUNTY: DISTRICT:

PROJECT NUMBER:

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28 MAY 2025

A04

BG-1M51 (010)--80-49

JACKSON 6

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

CONSTRUCTION NOTES:

1. FURNISH AND INSTALL EPDM MEMBRANE ROOF SYSTEMS.

2. PROVIDE NEW INSULATION THROUGHOUT FOR TOTAL

LATTER OF R-30 MIN

3. COAT FLASHINGS AND CURBS AS RECOMMENDED BY EPDM

MEMBRANE ROOF MANUFACTURER.

4 VENT CURBS FOR ADDITIONAL INSULATION AS NECESSARY.

5. PROVIDE NEW FLASHING.

6. CONTINUE ROOF MEMBRANE OVER PARAPET WALLS AND

SECURE UNDER METAL COPING.

7. LOAD PRODUCT ONTO THE ROOF AND STAGE AS NEEDED.

8. WORK TO BE COMPLETED BY INSTALLERS CERTIFIED BY

MANUFACTURER OF ROOFING SYSTEM. CONTRACTOR TO

PROVIDE CERTIFICATION FROM MANUFACTURER PRIOR TO

INSTALLATION.

9. REMOVE ALL TRASH AND DEBRIS TO A WASTE MANAGEMENT

FACILITY PER EPA REQUIREMENTS.

11 CONTRACTOR IS RESPONSIBLE FOR REMOVAL OF ALL

ADDITIONAL DEBRIS AND DISPOSAL OFF SITE.

12. STRUCTURAL ISSUES AND REPAIRS ARE NOT INCLUDED IN

THIS PROPOSAL. CONTRACTOR TO NOTIFY OWNER

IMMEDIATELY OF THESE ISSUES.

13. WALL THICKNESS VARIES - CONTRACTOR TO VERIFY

WIDTHS OF COOPING.

14. ROOF DECK IS STRUCTURALLY SLOPED TOWARDS

SCUPPERS, MAINTAIN CRICKETS AND TAPER INSULATION AT

SCUPPERS

15. FOLLOW SMACNA STANDARDS FOR COPING AND DETAILING

SCUPPER AND DOWNSPOUTS.

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BY

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NEW PREFINISHED

METAL COPING

EXISTING PRECAST

CONC."T"

ROOF PANEL

EXISTING TRTD

PARAPET

NEW 60 MIL EPDM

MEMBRANE

EXISTING 5/8

PLYWD SHEATHING

EXISTING PRECAST

CONC. WALL

EXISTING TRTD

LUMBER

WRAP EPDM OVER

PARAPET

MIN. R-30 LTTR

POLYISOCYANURATE

ROOF INSULATION

10 LBS/SF WASHED

3/4"-1" RIVER ROCK

BALLAST

SBS 40 MIL SHEET

SELF ADHERING

POLYETHYLENE

RUBBERIZED

BITUMEN MEMBRANE

1/4" PRIMED BOARD

PRECAST CONCRETE

PAVER OVER FABRIC

PROTECTIVE MAT - TYP 6"

NEW PREFINISHED

METAL COPING

VARIED SLOPES TO PROVIDE

POSITIVE DRAINAGE TO

SCUPPERS. TAPER INSUL. AS

NEEDED FOR COPING

CLEARANCE.

EXISTING PRECAST CONC. "T"

ROOF PANEL

EXISTING TRTD

PARAPET

NEW 60 MIL EPDM MEMBRANE

EXISTING

PRECAST CONC.

WALL

EXISTING TRTD

LUMBER

WRAP EPDM

MEMBRANE OVER

PARAPET

MIN. R-30 LTTR

POLYISOCYANURATE ROOF

INSULATION MAINTAIN CRICKET

EXISTING PLYWOOD

SBS 40 MIL SHEET SELF

ADHERING POLYETHYLENE

RUBBERIZED BITUMEN

MEMBRANE

10 LBS/SF WASHED 3/4"-1"

RIVER ROCK BALLAST10

LBS/SF WASHED 3/4"-1" RIVER

ROCK BALLAST

1/4" PRIMED BD

PRECAST CONCRETE PAVER

OVER FABRIC PROTECTIVE

MAT - TYP

6"

NEW METAL COPING OVER

SCUPPER OPENING

PROVIDE THRU-WALL METAL

FLASHING. ADHERE MEMBRANE

TO INSIDE WALL OF PARAPET

AND THRU SCUPPER OPENING

WITH BONDING ADHESIVE

TAPER NEW INSUL. TO

EXISTING SCUPPER -

MIN. - R-30

POLYISOCYANURATE

LTTR

EXISTING PRECAST

CONC. "T" ROOF

PANEL

EXISTING TREATED

PARAPET ABOVE

SCUPPER

60 MIL EPDM

MEMBRANE

PROVIDE NEW

PREFINISHED METAL

COLLECTOR HEAD AND

DOWNSPOUTS TYP.

EXISTING PRECAST

WALL

SBS 40 MIL SHEET

SELF ADHERING

POLYETHYLENE

RUBBERIZED

BITUMEN MEMBRANE

WRAP JAMBS WITH PREFINISHED

METAL AND OVERLAP WITH

MEMBRANE FLASHING

3/4"-1" WASHED

RIVER ROCK BALLAST

@ 10 LBS/SF

PERFORATED GRAVEL

STOP FASTENED TO

NEW WOOD BLOCKING

PRECAST CONCRETE

PAVER OVER FABRIC

PROTECTIVE MAT - TYP

6"

POLYISOCYANUTE

ROOF INSULATION -

TAPER TO FORM

CRICKET - MIN. R30

LTTR

MIN. R-30 LTTR

POLYISO ROOF

INSULATION

EXISTING PRECAST

CONCRETE "T" PANEL

60 MIL EPDM

FULLY ADHERED VAPOR

BARRIER BASE SHEET

PER EPDM MANUF.

EXISTING PRECAST WALL

SBS 40 MIL SHEET SELF

ADHERING POLYETHYLENE

RUBBERIZED BITUMEN

MEMBRANE REFER TO SPEC

EXISTING TREATED WOOD

BLOCKING

3/4" -1" WASHED RIVER ROCK

BALLAST @ 10 LBS / SF

SHEET

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Resources & Acquisitions Bureau 800 Lincoln Way Ames, Iowa 50010

(515) 239-1299

COUNTY: DISTRICT:

PROJECT NUMBER:

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28 MAY 2025

A05

BG-1M51 (010)--80-49

JACKSON 6

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1 1/2" = 1'-0"1 END WALL PARAPET

1 1/2" = 1'-0"2 PARAPET AT CRICKET

1 1/2" = 1'-0"3 PARAPET AT SCUPPER

1 1/2" = 1'-0"4 CRICKET AT ROOF JUNCTION

Sheets
A01 - COVER
A02 - GENERAL NOTES, LEGEND, ABBREVIATIONS
A03 - DEMO ROOF PLAN AND DETAILS
A04 - CONSTRUCTION ROOF PLAN AND DETAILS
A05 - DETAILS

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