6-7-126_MINOS_A-01 PLAN - REV01.pdf
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- Solicitation number
- ISD_384202_DA
About this file
This is an architectural roofing plan and specification document for the Fermilab MINOS (785) High Bay Roof Replacement and Masonry Wall Repair project. The scope of work includes removal and replacement of the existing roof assembly with a new PVC membrane system (Sarnafil S327 80 mil) installed over tapered insulation, vector mapping grid, and DensDeck Prime roof board mechanically attached to existing metal decking. The new roof assembly requires positive drainage sloped at 1/4" per foot to existing roof drains, with installation of new strainer domes and prefabricated tapered sumps at all drain locations to achieve IECC R30 insulation compliance.
The project specifies removal of existing antennas (designated as existing antenna "A" by Fermilab and existing antenna "B" by subcontractor), an existing roof hatch, and an existing ladder. The subcontractor must preserve and reinstall the existing lightning protection system through a qualified Lightning Protection Institute (LPI) certified subcontractor in accordance with NFPA 780 and UL 96A standards. Additional work includes installation of new roof curbs with exterior insulation for camera mounting, new Sika Crossgrip Xtra walkway systems, and removal of all asphaltic residue from penetrations, vertical surfaces, pitch pockets, roof drains, and vents due to PVC and asphalt incompatibility. The project completion date was February 11, 2025, and the three lower bay roofs (equipment R785R02.1, R785R02-Middle, and R785R02-Lower) remain under a 20-year Johns Manville warranty through February 11, 2045 (guarantee number ANM128161397) and are excluded from this scope pending warranty coordination.
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Text version
A
B
±1 2'
-1
1/ 2"
V.
I.F
A-03
EXIST.
FAN
106'-8"
'-8
'-1
/4
NOT IN SCOPE
SL
O
PE
SL
O
PE
SL
O
PE
SL
O
PE
AT AT ATAT
A-02
±24'-8 3/4" V.I.F.
26'-0"
EXTERIOR FACE
OF CURTAIN
WALL
±30'-11 1/4" V.I.F.
±3 8'
-9
/2
V.
I.F
±4
2' -3
/4
V.
I.F
EXIST. FALL ARREST
SYSTEM ANCHOR
TIE
EXIST. FALL ARREST
SYSTEM ANCHOR
TIE
A-03
EQUIMPMENT NUMBER
R785R02.1
(UPPER)
EQUIMPMENT
NUMBER
R785R02-(MIDDLE)
EQUIMPMENT
NUMBER
R785R02-(LOWER)
SLOPE
SLOPE SLOPE SLOPE SLOPE SLOPE SLOPE SLOPE
SL
O
PE
SLOPE
SLOPE
SL
O
PE
A-03
A-03
A-03
COLUMNS BELOW
APPROX. LOCATION
OF VENT STACK
26'-0"26'-0"26'-0" 1'-4"
EQUIMPMENT NUMBER R785R01
(HIGH BAY)
4300 SF ±
EXIST. ROOF HATCH
SLOPE SLOPESLOPE SLOPESLOPE SLOPE
SL
O
PE
SL
O
PE
SL
O
PE
SL
O
PE
SL
O
PE
SL
O
PE
SL
O
PE
SL
O
PE
SL
O
PE
SL
O
PE
SL
O
PE
EXIST.
LADDER
TO
REMAIN
A11
A2
A1
A12
A3
A4 A5 A6A8
A12
A12
A12
A12
A7
A10A10
TYP. AT ALL
ROOF DRAINS
X A01
A01
A91
A9
A9
A9
X
X-XX
X
X-XX
SYMBOL LEGEND
PHOTO DETAIL LOCATION
SECTION DETAIL
LINE INDICATES ITEM TO BE
REMOVED
ROOF DRAIN WITH SUMP
NEW WALKWAY REFER TO KEYNOTES AND SPECIFICATIONS FOR MORE
INFORMATION
EXIST. FALL PROTECTION TIE ANCHORS
SLOPE
SLOPE FOR POSITIVE DRAINAGE
1/4" PER FOOT TYP. AT ALL ROOF LOCATIONS
AREA NOT IN SCOPE - REFER TO KEYNOTES AND GENERAL NOTES FOR MORE
INFORMATION.
SARNASTOP OVER THE COMPLETED SARNAFIL MEMBRANE.
3'-0" FROM ALL PERIMETER EDGES REFER TO SPECIFICATIONS AND
MANUFACTURER GUIDELINES. REFER TO KEYNOTE A8.
KEYNOTE LEGEND
EXISTING ANTENNA "A" TO BE REMOVED BY FERMILAB AND REPLACED BY FERMILAB. SUBCONTRACTOR TO COORDINATE WITH CONSTRUCTION COORDINATOR AND FFDG PROJECT MANAGER FOR SCHEDULE REQUIREMENTS FOR REMOVAL.
EXISTING CAMERA TO BE REMOVED BY FERMILAB. SUBCONTRACTOR TO PROVIDE NEW ROOF CURBS WITH EXTERIOR INSULATION .
REFER TO SIKA DETAIL ON SHEET A-04.
CURB HEIGHT TO BE MIN.18" ABOVE MEMBRANE AND TIED TO EXISTING METAL DECKING. SIZE OF CURBS TO ACCOMMODATE CAMERA
MOUNT SHOWN IN DETAIL FOR REFERENCE ONLY CAMERA MOUNT BASE ON SHEET A-04.
PROVIDE PREFABRICATED TAPERED SUMP AT DRAINS TO PROVIDE POSITIVE DRAINAGE AND IECC COMPLIANCE OF R30 FOR INSULATION. IF COMPLIANCE IS NOT ACHIEVED THROUGH TAPERED SUMP AN ADJUSTABLE COLLAR MUST BE PROVIDED.
TO PREVENT SPLITTING OF NEW PVC MEMBRANE- SARNAFIL S327 80 MIL MEMBRANE AT DRAINS, REFER TO MANUFACTURER
GUIDELINES.
EXISTING LEADER PIPES SHALL BE CLEANED OF EXCESS BITUMEN BUILD-UP, DIRT AND DEBRIS.
SUBCONTRACTOR TO INSTALL NEW STRAINER DOMES AT DRAINS. SUBCONTRACTOR TO INSPECT EXISTING ROOF DRAINS AND INFORM FERMILAB CONSTRUCTION COORDINATOR OF ANY ISSUES THAT MAY NEED TO BE ADDRESSED TO BE SURE POSITIVE DRAINAGE IS
ACHIEVABLE.
X
GENERAL NOTES:
1. SUBCONTRACTOR IS TO VERIFY ALL INFORMATION AND DIMENSIONS IN FIELD. ANY VARIANCE IN EXISTING CONDITIONS MUST BE COMMUNICATED TO FERMILAB
CONSTRUCTION COORDINATOR.
2. REFER TO REFERENCE DRAWINGS IN SHEET LIST TABLE IN GENERAL SUBSECTION FOR EXISTING STRUCTURAL FRAMING PLAN AND DRAWINGS, EXISTING
MASONRY WALL DETAILS, AND EXISTING COPING INFORMATION.
3. SUBCONTRACTOR IS RESPONSIBLE FOR LOCATING ANY EXISTING CONDUIT LOCATIONS IN FLUTES OF METAL DECKING. CONDUITS MUST BE LOCATED , COORDINATED, AND MARKED ON ROOFING MATERIALS PRIOR TO INSTALLATION OF ANY MECHANICAL FASTENERS. CONFIRMATION WITH FERMILAB CONSTRUCTION COORDINATOR IS REQUIRED PRIOR TO INSTALLATION OF MECHANICAL FASTENERS.
4. SUBCONTRACTOR IS RESPONSIBLE FOR LOCATING AND MARKING ALL EXISTING UTILITIES BEFORE COMMENCING ANY WORK. IF THE SUBCONTRACTOR FAILS TO LOCATE OR MARK SUCH UTILITIES, AND SUCH FAILURE RESULTS IN DAMAGE TO ANY UTILITY, THE SUBCONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR ALL COSTS, INCLUDING BUT NOT LIMITED TO REPAIR, REPLACEMENT, RELOCATION , AND CONSEQUENTIAL DAMAGES, AS WELL AS DELAY AND DISRUPTION COSTS.
5. TAPERED INSULATION SLOPE TO BE 1/4" PER FOOT AND SLOPED TO PROVIDE POSITIVE DRAINAGE.
6. INSULATION THICKNESS AT PARAPET WALLS VARIES-VERIFY BLOCKING FOR FASCIA, GRAVEL STOP AND RELATED REQUIREMENTS. ALL WOOD BLOCKING IS TO
BE FIRE RATED EXTERIOR GRADE.
7. ANY NEW METAL DECKING TO BE INSTALLED MUST BE MECHANICALLY SECURED TO STRUCTURE, TYPICAL AT ALL CLOSED ROOF OPENINGS. REFER TO
SPECIFICATIONS FOR MORE INFORMATION.
8. ALL NEW ROOFING MATERIALS MUST BE INSTALLED TO PROVIDE POSITIVE DRAINAGE TO EXISTING ROOF DRAINS.
9. REFER TO SHEET G-02 FOR SCOPE OF WORK FOR REPAIR OF MASONRY WALL.
A. IN ADDITION TO WHAT IS OUTLINED IN SPECIFICATIONS, PVC AND ASPHALT ARE NOT COMPATIBLE. SUBCONTRACTOR TO REMOVE ALL EXISTING ASPHALTIC
RESIDUE FROM INCLUDING BUT NOT LIMITED TO THE FOLLOWING:
A.1. PENETRATIONS,
A.2. VERTICAL SURFACES (CURBS, PARAPETS, MASONRY WALLS)
A.3. PITCH POCKETS,
A.4. ROOF DRAINS AND
A.5. VENTS
11. NEW ROOF ASSEMBLY:
B. REFER TO SPECIFICATIONS FOR BASIS OF DESIGN AND MANUFACTURER GUIDELINES INCLUDING BUT NOT LIMITED TO THE FOLLOWING:
B.1. POLYVINYL-CHLORIDE (PVC) MEMBRANE ADHERED ON
B.2. 1/2" DENSDECK PRIME ROOF BOARD ADHERED ON
B.3. VECTOR MAPPING GRID ON TOP
B.4. TAPERED INSULATION ADHERED ON
B.5. VAPOR RETARDER ADHERED ON
B.6. 1/2" DENSDECK PRIME ROOF BOARD TO BE MECHANICALLY ATTACHED TO EXISTING METAL DECKING.
EXISTING ANTENNA "B" TO BE REMOVED BY SUBCONTRACTOR IN FULL.
EXISTING HATCH TO BE REMOVED IN FULL. REFER TO SECTION DETAILS FOR MORE INFORMATION.
SUBCONTRACTOR TO INSTALL NEW WALKWAY BY SIKA CROSSGRIP XTRA REFER TO SPECIFICATIONS.
PROVIDE SARNASTOP OVER THE COMPLETED PVC MEMBRANE. INSTALL 3'-0" FROM PERIMETER EDGES AS PER MANUFACTURER
GUIDELINES. TYPICAL AT PERIMETER
ROOF COPING TO REMAIN AND TO BE PROTECTED. ANY DETERIORATION OR DEFORMITIES MUST BE COMMUNICATED TO CONSTRUCTION
COORDINATOR AND PROJECT MANAGER BEFORE PROCEEDING.
EXISTING OVERFLOW SCUPPER TO REMAIN.
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
EXISTING LOWER BAY ROOFS ARE NOT IN SCOPE. THESE ROOFS ( EQUIPMENT NUMBERS - R785R02.1, R78R02(MIDDLE), AND R78R02(LOWER) ARE UNDER 20 YEAR WARRANTY WITH JOHNS MANVILLE. ANY WORK REQUIRED FOR MASONRY WALL REPAIR THAT MAY IMPACT ROOF MUST MEET WARRANTY REQUIREMENTS. SUBCONTRACTOR IS TO CONTACT JOHNS MANVILLE PRIOR TO MOVING FORWARD
WITH ANY REPAIR OR ALTERATION.
JOHNS MANVILLE CONTACT: AMY GARDNER, MIDWEST OWNER SERVICES SPECIALIST 800-922-5922, OPTION #1 X 6472
GUARANTEE NUMBER: ANM128161397
EXPIRATION DATE: FEBRUARY 11, 2045
JOB NAME : FERMILAB - MINOS (785)
DATE OF COMPLETION: FEBRUARY 11, 2025
A12
EXISTING LIGHTNING ROD TO REMAIN. PRIOR TO REMOVAL, THE SUBCONTRACTOR SHALL DOCUMENT EXISTING CONDITIONS. PROVIDE REMOVAL, TEMPORARY PROTECTION, REINSTALLATION, ADJUSTMENT, AND CERTIFICATION OF THE EXISTING LIGHTNING PROTECTION SYSTEM BY A QUALIFIED LIGHTNING PROTECTION SUBCONTRACTOR. THE LIGHTNING PROTECTION SUBCONTRACTOR SHALL EMPLOY PERSONNEL CERTIFIED BY THE THE LIGHTNING PROTECTION INSTITUTE (LPI) AS A MASTER INSTALLER OR MASTER INSTALLER/DESIGNER, OR BE A UL LISTED LIGHTNING PROTECTION SYSTEM INSTALLER. REINSTALLATION OF LIGHTNING ROD SHALL BE IN ACCORDANCE WITH NFPA 780 AND UL 96A. PROVIDE FINAL INSPECTION AND CERTIFICATION DOCUMENTATION AT PROJECT COMPLETION.
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A2
A1
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A2
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6-7-126
MINOS HIGH BAY ROOF REPLACEMENT
and MASONRY WALL REPAIR
A-01
/2
5/
AD
D
EN
D
U M
ROOFING PLAN
ISSUED FOR CCR 05/29/26
1/8"=1'-0" 8 0 8 16
SCALE FEET
ISSUED FOR BIDDING 08/03/26
ADDENDUM 02 09/25/26
7856-7-9
SCALE:
PROJECT NO.
SHEET NO.
DESIGNED
DRAWN
CHECKED
APPROVED
ISD ENGINEERING DATE
PROJECT NAME.
SHEET NAME:
REVISIONS
REV. DESCRIPTION DATE
REVISION NO.FIMS. NO.
ISD
INFRASTRUCTURE
SERVICES
DIRECTORATE
1/8" = 1'-0" A-01
1ROOF PLAN
PROJECT
NORTH
E
S
W
N.T.S. A-01
5PHOTO OF MASONRY WALL AT HIGH BAY
N.T.S. A-01
4ANTENNA A
PHOTO OF EXIST.
N.T.S. A-01
2TYP. ROOF DRAIN
PHOTO OF
N.T.S. A-01
3EXIST. LIGHTNING ROD
PHOTO OF ANTENNAE AND
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