Plans - 30 APR 2025_WILLAMSBURG GARAGE RADIANT HEAT 2025.pdf

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Attached to
Radiant Heat System Replacement at the Williamsburg Garage
Solicitation number
645-RFB-2028-2026
Issued by
Jackson County, Iowa

About this file

This file consists of architectural plans and technical drawings prepared by the Iowa Department of Transportation (Iowa DOT) Resources & Acquisitions Bureau for a radiant heat system replacement project at the Williamsburg Maintenance Garage located at 2057 210th Street, Williamsburg, Iowa 52361. The project, numbered BG-1W11 (013)--80-48 and dated April 30, 2025, involves the complete demolition of the existing CO-RAYVAC infrared heating system and installation of a new radiant heat system throughout the facility. The plans include detailed specifications for removing existing components such as burners, vacuum pumps, piping, thermostats, and control panels, along with comprehensive installation requirements for new equipment. The drawings indicate multiple heating zones with new CO-RAYVAC burners rated at 80,000 BTU/hour, new vacuum pumps, outside air piping systems, and reflector installations. Key project elements include provisions for new 3/4-inch gas piping extensions, installation of bird-screened vent caps on all outside air penetrations, new thermostats at all locations, and proper system testing to verify 2.5 to 3 inches of water column vacuum at each zone's branch radiant tube end vents.

The technical specifications establish that contractors must perform all demolition work including removal of hangers, fittings, dampers, and valves, with the Iowa DOT retaining first salvage rights to removed equipment and materials. All new and existing rigid gas piping must be painted with Sherwin Williams Safety Yellow (SW4048) using specified surface preparation and primer/finish coat requirements. The contractor is responsible for field verification of all existing conditions, coordination of electrical and gas line extensions to new burners and control panels, and patching or repair of unused wall openings to match adjacent surfaces. Additional requirements include verifying existing wall penetrations for reuse, installing flat sheet metal protections on reflectors at overhead door operators, providing carriers between purlins as necessary to support heat runs, and obtaining all necessary dimensional verifications in the field prior to installation. Wiring for the radiant heat system must be kept separate from overhead door circuits, and the contractor must provide photographic documentation of system vacuum testing results for each zone upon completion.

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PROJECT LOCATIONSITE LOCATION

4 5

HANCOCK

OSCEOLALYON

DICKENSON

CRAWFORD

OBRIEN

CHEROKEE

SIOUX

EMMET

KOSSUTH

WINNEBAGO WORTH MITCHELL HOWARD

CLAY

MONONA

PLYMOUTH

BUENA VISTA POCAHONTAS

PALO ALTO

HUMBOLT WRIGHT FRANKLIN

FLOYD CHICKASAW

WINNESHIEK ALLAMAKEE

FAYETTE CLAYTON

BREMER

BUTLER

BLACK HAWK

CARROL

WOODBURY IDA SAC CALHOUN

HANCOCK CERRO GORDO

GREENE BOONE STORY MARSHALL

TAMA

GRUNDYHARDINHAMILTONWEBSTER

POWESHIEKJASPERPOLK

SCOTT

CLINTON

JACKSON

DUBUQUEDELAWAREBUCHANAN

JONES

CEDAR

LINN

BENTON

IOWA

JOHNSONHARRISON

POTTAWATTAMIE

MILLS

FREMONT

MADISON

DALLAS

GUTHRIEAUDUBON

SHELBY

CASS

ADAIR

UNIONADAMS

MONTGOMERY

PAGE TAYLOR RINGGOLD

WAREN MARION

LUCASCLARKE

DECATUR WAYNE

LEE

DES MOINES

LOUISA

MUSCATINE

WASHINGTONKEOKUKMAHASKA

HENRY

JEFFERSONWAPELLOMONROE

APPANOOSE DAVIS VAN BUREN

IOWA COUNTY AND DISTRICT KEY

INDEX OF DRAWINGS

NO.: SHEET NAME:

A001 COVER SHEET

A701 EXISTING CO-RAYVAC SYSTEMS AND OUTSIE AIR PIPING

A702 NEW CO-RAYVAC SYSTEMS AND OUTSIE AIR PIPING

SHEET

DATE:

x

S h e e t Io w a D

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Resources & Acquisitions Bureau 800 Lincoln Way Ames, Iowa 50010

(515) 239-1299

COUNTY: DISTRICT:

PROJECT NUMBER:

PROJECT:

Resources & Acquisitions Bureau 800 Lincoln Way Ames, Iowa 50010

/3

/2

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IA

30 APR 25

A001

BG-1W11 (013)--80-48

IOWA 6

D6 - WILLIAMSBURG MG RADIANT

HEAT REPLACEMENT

BG-1W11 (013)--80-48

2057 210th St, Williamsburg, IA 52361

N O

D

A T

E

B Y

D

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C R

IP

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40' - 0" 72' - 0" 60' - 0"

4' - 8" 14' - 0" 2' - 0" 14' - 0" 2' - 0" 14' - 0" 2' - 0" 14' - 0" 5' - 4"1' - 8" 16' - 0" 4' - 0" 16' - 0" 4' - 0" 16' - 0" 2' - 4"

40' - 0" 72' - 0" 60' - 0"

172' - 0"

4' - 8" 14' - 0" 2' - 0" 14' - 0" 2' - 0" 14' - 0" 2' - 0" 14' - 0" 5' - 4" 21' - 8" 16' - 0" 22' - 4"

19' - 8" 19' - 0" 20' - 4"

19' - 8" 16' - 0" 16' - 0" 20' - 4"

± 10' ± 10'

1A

± 30' ± 30'

± 15'

V E

R

IF

Y

(2) REFLECTOR

SIDE EXTENSIONS

1A

(3) CRV A6-NG

1A

10'

C.P.-1

± 40'

± 13'

± 30'

#1B T

(1) 90° ELBOW

DROP TO TEE

MECHANICS BAY

STORAGE BAY

STORAGE BAY

± 35'

EXISTING 4" O.A.

WALL CAP W/ BIRD

SCREEN (TYP. 4)

1B 1B

EXISTING 4" O.A. AT

PURLINS

EXISTING 4" O.A.

VERIFY

VERIFY VERIFY VERIFY

V E

R

IF

Y

± 10'

± 45'

V E

R

IF

Y V

E R

IF

Y

± 30'

± 40'± 8'± 35'2A

BARRIER FOR END

LOADER TOP AT TUBE

± 30'

± 10'

± 10'

2B

VP-2

2B

THRU BEAMS

(TYP. 4)

VERIFY VERIFY VERIFY

EXISTING 4"

O.A. WALL CAP

EXISTING

4" O.A.

ENDLOADER

BAY

(2) 45° ELBOW DROP

(2) REFLECTOR SIDE

EXTENSIONS

1A

T

2A

2A

T

FLAT SCREEN METAL ON BOTTOM

OF REFLECTORS FOR ALL O.H.

DOOR OPERATORS (24" LONG, TYP.

(11) TOTAL)

THRU BEAMS TYP. 6

(4)

(3)

4" O.A. AT

PURLINS

(EXISTING)

(4) CRV A8-NG

VP-1

EXISTING 4" O.A.

2B

C.P.-2

T

4" O.A.

4" O.A.

EXISTING ELBOW TO BE REMOVED

EXISTING VACUUM PUMP TO BE REMOVED

EXISTING BURNER & FLOW TO BE REMOVED

EXISTING TEE TO BE REMOVED

EXISTING TAIL PIPE BRANCH TO BE REMOVED

(1) 45° ELBOW DROP

W/ 90° ELBOW

END LOADER

BAY 5' SHIELD

ON REFLECTOR

EXISTING OUTSIDE AIR PVC PIPING TO BE REMOVED

EXISTING HEATER SYSTEM TO BE REMOVED

± 30'

± 20'

WORK IN

OFFICE AREA

ELBOW DROP AT

BURNER (TYP. 3)

OUTSIDE AIR

(2) 45° ELBOW DROP

T EXISTING THERMOSTAT TO BE REMOVED

EXISTING THRU BEAM PENETRATION

(4)

(3) CRV A8-NG

2B

4/14/2025-REVIEW

ENERGY PRODUCTS

1/8" = 1'-0"

EXISTING CO-RAYVAC SYSTEMS AND OUTSIE AIR PIPING

SHEET

DATE:

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Resources & Acquisitions Bureau 800 Lincoln Way Ames, Iowa 50010

(515) 239-1299

COUNTY: DISTRICT:

PROJECT NUMBER:

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30 APR 25

A701

BG-1W11 (013)--80-48

IOWA 6

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DEMO NOTES:

1. THIS DRAWING DIAGRAMATICALLY REPRESENTS THE LAYOUT OF EXISTING CONDITIONS WITH MAJOR MECHANICAL AND ELECTRICAL COMPONENTS. THEY ARE NOT INTENDED TO SHOW ACCESSORIES OR INCIDENTALS COMMON TO EQUIPMENT INDICATED, THOUGH THESE ITEMS ARE TO BE REMOVED, ACCESSIBILITY TO DEMOLTION ITEMS SHALL NOT BE INFERRED. THE CONTRACTOR SHALL BE RESPONSIBLE FOR FIELD VERIFCATIONS OF BUILDING AND EXISTING CONDITIONS PRIOR TO SUBMITTAL.

2. DEMOLTION OF SHALL INCLUDE ALL HANGERS, FITTINGS, DAMPERS, VALVES, ETC.

3. LIGHT LINES INDICATE EXISTING PIPING, EQUIPMENT, ETC. TO REMAIN. BOLD DASHED LINES INDICATE DEMOLTION WORK, THIS PROJECT.

4. CONTRACTOR SHALL PATCH / REPAIR ALL UNUSED OPENINGS AND MODIFIED FINISH SURFACES. PATCH SHALL MATCH MATERIALS, FINISH, AND TEXTURES OF ADJACENT

SURFACES.

5. OWNER SHALL RETAIN FIRST SALVAGE RIGHTS TO REMOVED EQUIPMENT AND MATERIALS. UNLESS NOTED OTHERWISE CONTRACTOR SHALL BE RESPONSIBLE FOR PROPER AND TIMELY DISPOSAL OF ALL CONSTRUCTION DEBRIS INCLUDED BUT NOT LIMITED TO EQUIPMENT AND MATERIALS NOT CLAIMED BY OWNER. IA DOT PROJECT MANAGER SHALL DIRECT THE CONTRACTOR AS TO WHICH ITEMS WILL BE SALVAGED AND WHERE TO PLACE THEM ON SITE.

6. CONTRACTOR TO LOCATE ALL EXISTING NATURAL GAS PIPING

40' - 0" 72' - 0" 60' - 0"

4' - 8" 14' - 0" 2' - 0" 14' - 0" 2' - 0" 14' - 0" 2' - 0" 14' - 0" 5' - 4"1' - 8" 16' - 0" 4' - 0" 16' - 0" 4' - 0" 16' - 0" 2' - 4"

40' - 0" 72' - 0" 60' - 0"

172' - 0"

4' - 8" 14' - 0" 2' - 0" 14' - 0" 2' - 0" 14' - 0" 2' - 0" 14' - 0" 5' - 4" 21' - 8" 16' - 0" 22' - 4"

19' - 8" 19' - 0" 20' - 4"

19' - 8" 16' - 0" 16' - 0" 20' - 4"

± 10' ± 10'

± 30' ± 30'

± 15'

V E

R

IF

Y

(2) 8' REFLECTOR

SIDE EXTENSIONS

± 40'

± 25'

#2B T

MECHANICS BAY

STORAGE BAY

STORAGE BAY

± 25'

CAP/FILL 4" O.A.

NEW 4" O.A.

± 3' - 0"

VERIFY

± 6' - 0" ± 44' - 6" VERIFY

VERIFY

± 8' - 6"

V E

R

IF

Y

± 10'

± 45'

V E

R

IF

Y

V E

R

IF

Y

± 30'

± 40'± 25'

± 10'

± 10'

CRV B8

#3A

#VP-3/CP-3

TUBE THRU BEAMS (TYP. 4)

END CAP ON REFLECTOR,

BOTH SIDES

± 16' - 0" VERIFY ± 17' - 0" VERIFY

VERIFY

± 5' - 0"

4" D.C.

DISCHARGE W/

BIRD SCREEN

#12 END

LOADER BAY

(5')

#1AT

#2A

T

2' LONG FLAT SHEET METAL

SCREWED ON BOTOM OF

REFLECTOR ON ALL OVHD DOOR

OPERATOR (TYP. 11)

NEW 4" O.A.

(6) CRV B8 BURNERS

80,000 BTU/HR

VP-1/CP-1

NEW 4" O.A./ AND

WALL CAP

(EXISTING HOLE)

#3A

CP-3

T

NEW 4" O.A.

NEW 4" O.A.

90° ELBOW DROP

OFFSET DOWN TO

45° ELBOW

NEW ELBOW

NEW VACUUM PUMP (3)

NEW BURNER & FLOW (12)

NEW TEE

NEW TAIL PIPE AND DAMPER COUPLINGS AT VACUUM PUMP INLET (4)

NEW PVC OUTSIDE AIR LINE

NEW HEATER SYSTEM

± 30'

± 20'

NEW 4" O.A.

CRV B8

#3A

NEW FLAT SHEET METAL

4" D.C.DISCAHARGE

W BIRD SCREEN

(3) CRV B8

BURNERS

80,000 BTU/HR

#VP-2/CP-2

± 10'

NEW 4" O.A.

CRV B8

#2B

CRV B8

#2B

CRV B8

#2B

NEW 4" O.A.

NEW-HOLE

4" O.A. WALL CAP

#CP-2

± 25' ± 10'

± 20'

NEW 4" O.A. -HOLE W/

WALL CAP

± 35'

± 20'

± 2'

NEW 4" O.A.

NEW 4" O.A.

CRV B8

#2A

CRV B8

#2A

CRV B8

#2A

V E

R

IF

Y

V E

R

IF

Y

V E

R

IF

Y

± 3'

± 5'

± 3'

CRV B8

#1A

VERIFY

± 2' - 0"

(3) CRV B8

BURNERS

80,000 BTU/HR

CRV B8

#1A

CRV B8

#1A

#CP-1

CRV B8

#3A

±4' - DROP W/

90° ELBOW

NEW (EXISTING HOLE)

4" O.A. WALL CAP W/

BIRD SCREEN (TYP. 4)

NEW

4" O.A.

NEW

4" O.A.

WORK IN

OFFICE AREA

A702

SIM.

T NEW THERMOSTAT

TUBE THRU BEAMS (TYP. 6)

END CAP ON REFLECTOR,

BOTH SIDES

A702

SIM.

A702

SIM.

A702

SIM.

A702

SIM.

A702

SIM.

A702

SIM.A702

SIM.

A702

SIM.

A702

SIM.

EXISTING THRU BEAM PENETRATION LOCATION,

VERIFY, SEE DETAIL 2/A702

#12- AT END LOADER

BAY TO BE 5' LONG

VERIFY

2' - 0"

4/14/2025-REVIEW

ENERGY PRODUCTS

(3) 8' REFLECTOR

SIDE EXTENSIONS

PROVIDE CARRIERS BETWEEN PURLINS

AS NECESSARY TO SUPPORT HEAT RUN

NEW CORAYVAC HEAT RUN

EXISTING RIGID FRAME

1' - 0"

EXISTING RIGID FRAME

EXISTING PLATE EACH SIDE.

EXISTING BOLTS TYP.

EXISTING 6" DIAMETER OPENING

THROUGH BEAM, SEE DETAILS BELOW

VERIFY VERIFY

SIDE VIEW SECTION VIEW

EXISTING RIGID FRAME

NEW 6" DIA. REFLECTOR SLEEVE

EXISTING 6" DIA. HOLE

NEW REFLECTOR SLEEVE

EXISTING BOLTS, TYP.

NEW 4" CORAYVAC HEAT RUN

E X

IS

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H

O L

E

THRU JOIST NOTES:

1. DO NOT ADD, MODIFY, OR CUT ANY BEAM

PENETRATIONS. EXISTING HOLES TO BE USED

UNLESS CONFLICT ARISES DUE TO TUBE SLOPE

REQUIREMENTS. CONTRACTOR TO NOTIFY OWNER

IF NEW HOLES ARE REQUIRED.

2. PROVIDE NEW 6" DIA. REFLECTOR SLEEVE AT RIGID

FRAME PENETRATIONS AROUND TUBES. EXTEND

SLEEVE 6" ON EACH SIDE OF FRAME

6" 6"

EXISTING PLATE EACH SIDE.

EXISTING PLATE EACH SIDE.

B8

B8

CRVB8-(3)-@ #1A

VP-1/CP1

VP-2/CP2

VP-3/CP3 3/4 120V 1 6.6 A 3450 DIRECT CORAYVAC EP-201 SEE KEYNOTE E04

CRVB8-(3)-@ #2A

CRVB8-(3)-@ #2B

CRVB8-(3)-@ #3A

PROVIDE WIRING FROM HEATER CONTROL PANEL 3 TO NEW VACUUM PUMP #3. PROVIDE SINGLE PLOE 20 AMP DISCONNECT SWITCH.

/CP-E01/VP-M01

/CP-E01/VP-M01

/CP-E01/VP-M01

1/8" = 1'-0"

NEW CO-RAYVAC SYSTEMS AND OUTSIE AIR PIPING

SHEET

DATE:

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Resources & Acquisitions Bureau 800 Lincoln Way Ames, Iowa 50010

(515) 239-1299

COUNTY: DISTRICT:

PROJECT NUMBER:

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30 APR 25

A702

BG-1W11 (013)--80-48

IOWA 6

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SYSTEM NOTES:

1. ALL DIMENSIONS ARE APPROXIMATE AND SHALL BE VERIFIED IN THE FIELD BY THE CONTRACTOR.

2. CONTRACTOR TO REMOVE ALL EXISTING INFRARED SYSTEMS AND ASSOCIATED TUBES / REFLECTORS / HANGERS / CONTROL PANELS / WIRING / THERMOSTATS / VACUUM PUMPS / ETC. AND

DISPOSE OFF CONSTRUCTION SITE.

3. CONTRACTOR SHALL INSTALL A COMPLETE NEW RADIANT HEAT SYSTEM THROUGHOUT. TO INCLUDE HANGERS AND CHANIS ETC. VERIFY EXISTING WALL PENETRATIONS FOR REUSE. PATCH OR

REPAIR ANY HOLES NOT FOR REUSE.

4. CONTRACTOR TO USE EXISTING OPENINGS IN WALL TO RUN NEW EQUIPMENT THROUGH, UNLESS NOTED OTHERWIDE.

5. ALL OUTSIDE AIR PIPING ARE 4" OR 6" IN DIAMETER AS NOTED, EQUIPPED VENT CAP WITH BIRD SCREENS, SEAL ALL WALL PENETRATIONS.

6. ALL PIPING ENTERING OR EXITING BUILDING SHALL BE EQUIPPED WITH BIRD SCREENS.

7. RADIANT HEATING REFLECTORS NOT SHOWN ON DRAWINGS FOR CLARITY, CONTRACTOR TO FURNISH AND INSTALL REFLECTORS ON NEW INSTALLATION.

8. ALL BURNER / VACUUM PUMP / THERMOSTAT / TUBE LOCATIONS ARE SAME AS EXISTING UNLESS OTHERWISE NOTED. CONTRACTOR TO COORDINATE.

9. PROVIDE NEW 3/4" GAS PIPING EXTENSIONS, UNLESS NOTED OTHERWISE.

10. INSTALL REFLECTOR TYPES AT OVERHEAD DOOR OPERATORS AND TRACK LOCATIONS IF NECESSARY TO PROTECT EXISTING EQUIPMENT.

11. PROVIDE NEW THERMOSTATS AT ALL LOCATIONS.

12. CONTRACTOR TO VERIFY ALL WIRING FOR RADIANT HEAT SYSTEM IS NOT ON SAME PANEL CIRCUITS AS OVERHEAD DOORS.

13. CONTRACTOR TO EXTEND GAS PIPING, CONDUITS AND POWER WIRING TO NEW BURNERS, CONTROL PANELS, THERMOSTATS, AND VACUUM PUMPS FOR COMPLETE SYSTEM INSTALLATION.

14. CONTRACTOR TO PAINT ALL EXISTING AND NEW RIGID GAS PIPING FROM GAS METER AND THROUGHOUT THE BUILDING WITH SHERWIN WILLIAMS, COLOR: SW4048 "SAFETY YELLOW". SYSTEM TYPE:

ALKYD, SURFACE PREP, SSPC SP2/SP3. PAINT: 1 COAT PRIMER (KEM BOND HS), 2 COATS FINISH (INDUSTRIAL ENAMEL)

15. CONTRACTOR SHALL TEST SYSTEM FOR PROPER VACUUM AT BRANCH RADIANT TUBE END VENTS FOLLOWING INSTALLATION. MAKE ADJUSTMENTS AS NECESSARY TO PROVIDE 2 1/2" TO 3" WATER

COLUMN FOR EACH ZONE. PROVIDE PHOTO DOCUMENTATION OF EACH.

16. NEW BURNER LOCATIONS SHALL HAVE GAS / ELECTRIC / CONTOLS EXTENDED TO NEW LOCATIONS.

1 1/2" = 1'-0"

EXISTING THRU JOIST DETAIL

Sheets
A001 - COVER SHEET
A701 - EXISTING CO-RAYVAC SYSTEMS AND OUTSIE AIR PIPING
A702 - NEW CO-RAYVAC SYSTEMS AND OUTSIE AIR PIPING

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