07.09_AE109 - ENLARGED ROOF PLAN - ROOF 17B.pdf
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- Solicitation number
- 36C25026B0011
About this file
This is an architectural drawing for roof replacement work at the Chalmers P. Wylie Veterans Outpatient Clinic in Columbus, Ohio, issued by the U.S. Department of Veterans Affairs. The document is bid documentation dated 05/06/2025 with Addendum 01 dated 04/27/2026.
The scope encompasses selective roof replacement and restoration across three roof areas: Roof 17A (302 square feet), Roof 17B (773 square feet), and Roof 18 (1,180 square feet), totaling 2,255 square feet. Work involves removal of existing roofing systems down to the structural deck and installation of new waterproofing and paver roof systems to match existing conditions. The drawing identifies existing elements to remain in place, including roof drains, overflow drains, pipe vent penetrations, lightning protection grounding terminals, anchor post penetrations, HVAC equipment, air handling units, and cross-over stairs. Notes specify that existing loose-laid rubber walking mats are to be removed, stored, and reinstalled, with rubber walkway systems connecting to resin storage sheds. The work includes inspection of existing roof drains and overflow drains during roof removal, with discussion of any discovered issues. Roof replacement in certain areas will be sequenced after Biological Hazard Processing Services relocations occur. The document includes general notes, detailed drawing notes, an isometric view showing all affected roof areas, and enlarged roof plans with specific equipment locations and penetrations marked throughout.
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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
A E
A E
M A
T C
H L
IN
E
M A
T C
H L
IN
E
ROOF 17B
302 SQ. FT.
773 SQ. FT.
1,180 SQ. FT. TOTAL
AHU
ROOF 18
2.01
2.05
2.17
2.10
2.18
2.03
2.02
2.04
2.14
2.14
AE141
Sim
AE141
Sim
AE142
Sim
AHU
AHU
AHU
AHU
AE142
Sim
AE141
Sim
AE142
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE141
Sim
AE142
Sim
AE141
Sim
AE142
Sim
AE141
Sim
2.59
1A 3A 3B
1B
1C 1D
17A
17B
14B
14A
6 5
ROOF 17A
ROOF 17B
ROOF 14A
ROOF 14B
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
:3
P
M
AE109
ENLARGED ROOF PLAN - ROOF
17B
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
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
2.04 EXISTING ANCHOR POST PENETRATION TO REMAIN. - TYPICAL
2.05 EXISTING HVAC EQUIPMENT TO REMAIN. - TYPICAL
2.10 EXISTING AIR HANDLING UNIT TO REMAIN.
2.14 INSPECT EXISTING ROOF DRAIN AND OVERFLOW DRAIN DURING ROOF REPLACEMENT - CONTACT VA AND A/E TO
DISCUSS ANY ISSUES DISCOVERED.
2.17 ROOF REPLACEMENT PORTION OF THESE AREAS WILL BE DONE AFTER NORMAL BUSINESS HOURS/WEEKENDS. STERILE
PROCESSING SERVICES IS DIRECTLY BELOW THE ROOF.
2.18 EXISTING CROSS-OVER STAIRS TO REMAIN. RELOCATE AS NEEDED TO PROVIDE RESTORATION MEMBRANE.
2.59 EXISTING LOOSE LAID RUBBER WALKING MATS. REMOVE AND STORE DURING REPLACEMENT/RESTORATION WORK.
INSTALL MATS FOR RESIN STORAGE SHEDS TO SIT ON. USE RUBBER WALKING MATS TO ALSO CREATE PATH FROM
GRATED WALKWAY SYSTEM TO THE RESIN STORAGE SHEDS. - TYPICAL
1/8" = 1'-0"
ENLARGED ROOF PLAN - ROOFS 17B & 18
BID DOCUMENTS 05/06/2025
1 ADDENDUM 01 04/27/2026
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