07.13_AE111 - ENLARGED ROOF PLAN - ROOF 14B.pdf
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- Solicitation number
- 36C25026B0011
About this file
This is an architectural drawing for a roof replacement project at the Chalmers P. Wylie Veterans Outpatient Clinic in Columbus, Ohio, under the U.S. Department of Veterans Affairs. The drawing is dated April 27, 2026 (Addendum 01) with original bid documents from May 6, 2025, and shows an enlarged roof plan (RO14B) with a total area of 861 square feet for Roof 14A.
The project scope includes removal of the existing roof system down to the substrate, application of a new roofing system to match existing specifications, and selective removal of existing roofing in designated areas. Key elements to remain in place include existing roof drains and overflow drains, pipe vent penetrations, lightning protection grounding terminals, HVAC equipment, electrical conduit penetrations, and air handling units. Drawing Note 2.08 specifies removal of existing roof walkway pads with installation of new walkway systems. The document includes a comprehensive legend identifying biohazardous exhaust areas, roof access points, high-powered radio frequency areas, pipe vents, electrical grounds, anchor points, boot flashings, and roof-top ladders. Multiple roof sections (14A, 14B, and 17B) are shown in isometric detail views, with various penetrations and equipment locations marked throughout the plan. The work is classified as either restoration scope with fluid-applied rehabilitation, replacement scope with new roofing system, or not-in-scope activities based on designated areas on the plan.
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A. MAINTAIN EXISTING R-VALUE AND INSULATION THICKNESS TO MATCH EXISTING IN ISOLATED REPLACEMENT AREAS AS IDENTIFIED ON DRAWINGS, UNLESS NOTED OTHERWISE. PROVIDE TAPERED INSULATION TO DIRECT WATER TO ROOF DRAINS.
MATCH ELEVATION WHERE TYING INTO EXISTING.
B. ALL EXISTING WALKWAY PADS SHALL BE REMOVED PRIOR TO REPLACEMENT/RESTORATION WORK. NEW WALKWAY LAYOUT IS SHOWN ON THE ROOF PLAN DRAWINGS AE101 THROUGH AE111. QUANTIFY TOTAL PRIOR TO BID.
C. REPLACE ALL MISSING, PLASTIC, OR BROKEN DRAIN BASKETS AND CLAMP RINGS ON EXISTING ROOF DRAINS. QUANTIFY TOTAL
PRIOR TO BID.
D. ELEVATION HEIGHT BASED ON GROUND FLOOR.
E. MATCH EXISTING ROOF SLOPE AT PARTIAL ROOF REPLACEMENT
F. MECHANICAL DUCTWORK AND PIPING ARE FOR REFERENCE ONLY. SIZING IS SCHEMATIC.
G. EXISTING ROOFING SYSTEM IS A SINGLE-PLY MEMBRANE OVER RIGID INSULATION UNLESS NOTED OTHERWISE. TPO ROOF SYSTEM EXTENSION ROOF 14 (A AND B). ALL OTHER EXISTING ROOFS USE A PVC ROOF SYSTEM.
H. ALL CONDENSING UNITS AND EQUIPMENT ON ROOF SUPPORTS NOT FLASHED INTO THE EXISTING ROOF SHALL BE DISCONNECTED AND TEMPORARILY REMOVED AND STORED WHILE ROOFING IS COMPLETED UNDER THE UNITS. PROTECT EQUIPMENT DURING THIS PERIOD. REFRIGERANT SHALL BE CAPTURED AND UTILITIES SERVING THIS EQUIPMENT WILL ALL BE
DISCONNECTED AND TEMPORARILY CAPPED.
I. CONTRACTOR SHALL USE CHARCOAL FILTRATION ON ALL AIR INTAKES TO MASK ODORS INTO THE BUILDING.
PROVIDE CARBON ACTIVATED FILTER MEDIA ROLLS OR BLANKETS TO COVER THE ENTIRE AIR HANDLING UNIT INTAKE. BLANKET OR ROLL SHALL BE A MINIMUM OF 3/8 INCH THICK AND CONTAIN A MINIMUM OF 90 GRAMS/SF OF GRANULAR ACTIVATED CARBON WITH AN INITIAL RESISTANCE OF 0.35 IN. WC. AT 150 FPM.
J. SEE ELECTRICAL DRAWINGS FOR NEW LIGHTNING PROTECTION SYSTEM.
K. PERMANENT FALL PROTECTION IS NOT INCLUDED IN THIS CONTRACT. ALL PERMANENT FALL PROTECTION WILL BE ADDRESSED IN A SEPARATE VA PROJECT. THE GENERAL CONTRACTOR IS RESPONSIBLE FOR MEETING OSHA
REGULATIONS FOR JOB-SITE SAFETY DURING THE CONSTRUCTION PROJECT.
G E N E R A L N O T E S
L E G E N D
RESTORATION SCOPE
APPLICATION OF A FLUID APPLIED REHABILITATION SYSTEM OVER EXISTING ROOFING SYSTEM.
REPLACEMENT AND RESTORATION SCOPE
SELECTIVE REMOVAL OF EXISTING ROOFING SYSTEM DOWN TO THE DECK AND INSTALLATION OF NEW ROOFING SYSTEM TO MATCH EXISTING AND APPLICATION OF A FLUID-APPLIED REHABILITATION
SYSTEM.
NOT IN SCOPE
REPLACEMENT SCOPE
REMOVE EXISTING ROOF SYSTEM DOWN TO THE STRUCTURAL DECK. INSTALL FLUID-APPLIED
WATERPROOFING AND PAVER ROOF SYSTEM
BIOHAZARDOUS EXHAUST AREA
ROOF ACCESS POINT
HIGH-POWERED RADIO FREQUENCY AREA
PIPE VENT
ELEC. GROUNDING TERMINAL
ANCHOR POST
BOOT FLASHING
ROOF-TOP LADDER
RAISED GRATING
WALKWAY SYSTEM
SLIP-RESISTANCE
AGGREGATE IN FLUID-
APPLIED MEMBRANE
FOR WALKING PATHS
EXISTING RUBBER
WALKING MAT
M A
T C
H L
IN
E
M A
T C
H L
IN
E
AHU
ROOF 14B
2.01
2.08
2.02
2.03
2.07
2.10
2.05
2.05
AE141
Sim
AE142
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE142
Sim
AE142
Sim
861 SQ. FT.
1A 3A 3B
1B
1C 1D
17A
17B
14B
14A
6 5
ROOF 14B
ROOF 14A
ROOF 17B
Project Number
Building Number
Drawing Number
Project Title
Location
Issue Date Checked Drawn
Drawing Title
VA FORM 08 - 6231
A
FULLY SPRINKLERED
U.S. Department of Veterans Affairs
B
C
D
E
A
B
C
D
E
F
21 4 5 6 7 8 9 10
Phase
ARCHITECT/ENGINEER OF RECORD STAMPCONSULTANT
321 4 5 6 7 8 9 10
Date:Revisions:No.
A u to d e s k D o c s /C o lu m b u s V
A
R e p la c e R o o f o n B ld g
A /F
F E
C o lu m b u s
R e p la c e
R o o f_ B
A
A
R C
H rv t
/2
/2
:4
:0
P
M
AE111
ENLARGED ROOF PLAN - ROOF
14B
05/06/2025 PRQ JLF
REPLACE ROOF BUILDING 1A 757-21-101
COLUMBUS, OHIO
BID DOCUMENTS
1A
CHALMERS P. WYLIE
VETERANS
OUTPATIENT CLINIC
Approved: Columbus VAMC
ENLARGED ROOF PLAN - 4
D R A W I N G N O T E S :
2.01 EXISTING ROOF DRAIN AND OVERFLOW DRAIN TO REMAIN. - TYPICAL
2.02 EXISTING PIPE VENT PENETRATION TO REMAIN. - TYPICAL
2.03 EXISTING LIGHTNING PROTECTION GROUNDING TERMINAL PENETRATION TO REMAIN. - TYPICAL
2.05 EXISTING HVAC EQUIPMENT TO REMAIN. - TYPICAL
2.07 EXISTING ELECTRICAL CONDUIT PENETRATION TO REMAIN. - TYPICAL
2.08 REMOVE EXISTING ROOF WALKWAY PADS. INSTALL NEW WALKWAY SYSTEM. DRAWINGS SHOW NEW LAYOUT- TYPICAL
2.10 EXISTING AIR HANDLING UNIT TO REMAIN.
BID DOCUMENTS 05/06/2025
1 ADDENDUM 01 04/27/2026
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