Historic Courthouse Renovation

Project Number:
Date:
Revisions:
Drawn By:
Sheet:
COPYRIGHT C
2025
Torchio Architects, Inc.
ERAUQS
ESUOHTRUOC
001
71612
DNALYRAM
,ELLIVERTNEC
I certify that these documents
were prepared or approved by
me, and that I am a duly
licensed architect under the
laws of the State of Maryland,
License Number 14756,
Expiration Date 10/23/2026
James I. Magnuson
A2112
NOVEMBER 01, 2025
AKMH / JM
Design By:
BECS PROJECT NUMBER:
20230564
BECS
Building Envelope Consultants and Scientists, LLC.
Maryland Office
875 Hollins Street, #201
Baltimore, MD 21213
443-873-6203
www.becsmd.com
YTNUOC
S'ENNA
NEEUQ
100% CONSTRUCTION
DOCUMENTS
JM
NOITAVONER
ESUOHTRUOC
CIROTSIH
BE0.1
SETON
LARENEG
GNIFOORPRETAW
ABBREVIATIONS DRAWING SYMBOLS
A.B. ANCHOR BOLT SEAL. SEALANT
WATERPROOFING GENERAL NOTES
ACOUS. ACOUSTICAL SECT. SECTION XX
DRAWING TITLE
A.D. AREA DRAIN SHT. SHEET XXXX
1. WATERPROOFING WORK INDICATED CONSISTS OF A BASE SCOPE OF WORK, AND
A.F.F. ABOVE FINISHED FLOOR SIM. SIMILAR G ALTERNATE WORK - REFER TO THE DRAWINGS FOR DESCRIPTIONS. ALTERNATE WORK IS
ALT. ALTERNATE S.M. SHEET METAL SUBTRACTIVE FROM THE BASE SCOPE, AND IN LIEU OF BASE SCOPE.
ALUM. ALUMINUM SPECS. SPECIFICATIONS
2.COMPLETE WATERPROOFING IN SEQUENCE AFTER COMPLETION OF SELECTIVE
N
& AND SQ. SQUARE XX DEMOLITION AND WALL INFILLS AND REPAIRS INDICATED IN THE ARCHITECTURAL
SECTION CALLOUT
ANGLE S.STEEL STAINLESS STEEL XXXX DRAWINGS, AND AFTER INSTALLATION OF ALL EQUIPMENT, SERVICES, PIPING, AND
SIMILAR WORK PENETRATING THROUGH AREAS SCHEDULED TO RECEIVE
APPROX. APPROXIMATELY STD. STANDARD
WATERPROOFING.
ARCH. ARCHITECTURAL or ARCHITECT STL. STEEL
@ AT STOR. STORAGE 3.LIMIT EXCAVATION EXTENTS FOR WATERPROOFING TO THE EXTENT POSSIBLE TO ACCESS
THE WORK AREAS. AVOID DISTURBANCE OF ADJACENT EXISTING-TO-REMAIN SITE
BD. BOARD STRUCT. STRUCTURE or STRUCTURAL
XX ELEVATION CALLOUT N FEATURES WHEREVER POSSIBLE.
BLDG. BUILDING SUSP. SUSPENDED or SUSPENSION XXXX
4.AFTER EXCAVATION, INJECT RESIN WATERPROOFING INTO ALL EXPOSED CRACKS AND
BLK. BLOCK TEMP. TEMPORARY
O
CONSTRUCTION COLD JOINTS IN EXISTING CONCRETE SHELTER ROOF AND WALLS WITHIN
BLKG. BLOCKING T&G TONGUE & GROOVE
THE WATERPROOFING WORK AREA PER WATERPROOFING MANUFACTURER
BOT. BOTTOM THK. THICK
RECOMMENDATIONS.
BRG. BEARING TR. or T. TREAD XX
5.PREPARE EXISTING CONCRETE AND MASONRY SUBSTRATES PER RECOMMENDATION OF
BRK. BRICK T.O. TOP OF XXXX WATERPROOFING MANUFACTURER AS NECESSARY FOR WATERPROOFING INSTALLATION.
ENLARGED DETAIL CALLOUT
B.S. BOTH SIDES T.O.S. TOP OF STEEL AT AREAS OF ADHERED WATERPROOFING, FILL VOIDS AND REMOVE RIDGES TO ACHIEVE A
BR&S BACKER ROD AND SEALANT T.O.SL. TOP OF SLAB I SMOOTH UNIFORM SUBSTRATE, AND REMOVE ALL BOND-INHIBITING SUBSTANCES.
BSMT. BASEMENT TYP. TYPICAL
6. ALL WATERPROOFING THAT PROTRUDES ABOVE FINISHED GRADE SHALL BE FULLY
B.U. BUILT UP U.N.O. UNLESS NOTED OTHERWISE CONCEALED AND PROTECTED WITH COUNTERFLASHING EXTENDING DOWN BELOW
I
C. COURSES VERT. VERTICAL D FINISHED GRADE AS INDICATED IN DETAILS.
C.I. CAST IRON V.I.F. VERIFY IN FIELD 7. AFTER COMPLETION OF WATERPROOFING, BACKFILL AREAS EXCAVATED FOR
C.J. CONTROL JOINT W. WIDTH WATERPROOFING, APPLY TOPSOIL, RE-GRADE, AND RE-SOD / RESTORE EXISTING
T
CL or C L CENTERLINE W/ WITH LANDSCAPING AS INDICATED IN THE CIVIL AND ARCHITECTURAL DRAWINGS.
A COLUMN GRIDLINE AND BUBBLE
CLG. CEILING W/O WITHOUT 8.REFER TO THE CIVIL DRAWINGS FOR ADDITIONAL SITEWORK ADJACENT TO THE
CLR. CLEAR WD. WOOD WATERPROOFING AND ELSEWHERE ON THE SITE THAT IS NOT SHOWN IN THESE
WATERPROOFING DRAWINGS.
CMU CONCRETE MASONRY UNIT W.P. WATERPROOF
C.O. CLEAN OUT WRB. WEATHER RESISTIVE BORDER T/O XXXX 9.REFER TO THE CIVIL DRAWINGS FOR ADDITIONAL INFORMATION ON THE PERIMETER
LEVEL CALLOUT
COL. COLUMN W.W.F. WELDED WIRE FABRIC XX.XX' D DRAIN SYSTEM INDICATED IN THESE WATERPROOFING DRAWINGS, AND FOR PIPING AND
CONNECTION OF THE PERIMETER DRAIN SYSTEM TO THE EXISTING CATCHBASIN.
CONC. CONCRETE W.W.M. WELDED WIRE MESH C
CONST. JT. CONSTRUCTION JOINT YD. YARD 10. REFER TO THE CIVIL DRAWINGS FOR ADDITIONAL INFORMATION ON EXCAVATION,
CONSTR. CONSTRUCTION ## DEMOLITION KEYNOTE BACKFILLING, TOPSOIL, ROUGH AND FINISHED GRADING, AND SOD / LANDSCAPING
REQUIREMENTS FOR AREAS EXCAVATED FOR WATERPROOFING.
CONT. CONTINUOUS
DBL. DOUBLE 11. REFER TO THE ARCHITECTURAL, STRUCTURAL, AND M/E/P DRAWINGS FOR ADDITIONAL
WORK TO THE EXISTING BUILDING, EQUIPMENT CORRAL, AND SITE THAT IS NOT SHOWN
DET. DETAIL ## CONSTRUCTION KEYNOTE
ON THESE WATERPROOFING DRAWINGS.
DIA. or DIAMETER
I
DIM. DIMENSION
U
DN. DOWN
X WINDOW TAG
D.S. DOWNSPOUT
B
DWG(S) DRAWING(S)
EA. EACH
X DOOR TAG
E.I.F.S. EXTERIOR INSULATION & FINISH SYSTEM
E.J. EXPANSION JOINT
EL. ELEVATION
ELEC. ELECTRIC(AL) REVISION CALLOUT
1 R
ELEV. ELEVATOR
ENG. ENGINEER XXXX
XXXX
EQ. EQUAL ROOM OR AREA NAME SYMBOL
EQUIP. EQUIPMENT ####
R
EXH. EXHAUST
EXIST. EXISTING
EXP. EXPANSION
EXTR. EXTERIOR X WALL TYPE TAG T
F.D. FLOOR DRAIN
FIN. FINISH
R-X ROOF TYPE TAG
FIXT. FIXTURE
FLR. FLOOR O
FRT. FIRE RETARDANT TREATED WOOD CLG-X CEILING TYPE TAG
FT. FEET or FOOT
S
FTG. FOOTING
GA. GAUGE
GALV. GALVANIZED
NORTH ARROW
G.C. GENERAL CONTRACTOR
G.W.B. GYPSUM WALL BOARD
GYP. GYPSUM F
H. or HT. HEIGHT
N
H.B. HOSE BIB
H.C. HOLLOW CORE
HDWE. HARDWARE MATERIAL LEGEND
HM. HOLLOW METAL
HORIZ. HORIZONTAL
H.P. HIGH POINT EXISTING-TO-REMAIN CONSTRUCTION
I.D. INSIDE DIAMETER
IN. INCH O
BRICK
T
INSUL. INSULATION
INV. INVERT
JAN. JANITOR CLOSET CONCRETE BLOCK
JT. JOINT
LAM. LAMINATE
CONCRETE
L.P. LOW POINT
MAS. MASONRY O
MAX. MAXIMUM GRAVEL or CRUSHED STONE
C
MAT'L MATERIAL
MECH. MECHANICAL STEEL
MEMB. MEMBRANE
MET. or MTL. METAL
ROUGH WOOD CONTINUOUS
MIN. MINIMUM
MFR. MANUFACTURE(R)
MISC. MISCELLANEOUS ROUGH WOOD BLOCKING DISCONTINUOUS
N
M.O. MASONRY OPENING
M.T. METAL THRESHOLD
FINISHED WOOD
MTG. MOUNTING
N.I.C. NOT IN CONTRACT R
NO. NUMBER PLYWOOD or ORIENTED STRAND BOARD
N.T.S. NOT TO SCALE
O.C. ON CENTER
EXPANSION JOINT MATERIAL
O.D. OUTSIDE DIAMETER
OH. OVERHEAD
OPP. OPPOSITE / OPPOSITE HAND BATT INSULATION
PL. PLATE
O
PLYWD. PLYWOOD
RIGID INSULATION
PNL. PANEL
PR. PAIR
PREFAB. PREFABRICATE STONE OR MARBLE
PTD. PAINTED
R. RISER EARTH
R.D. ROOF DRAIN
REINF. REINFORCE(MENT) OR REINFORCING
REQ'D. REQUIRED NEW CONSTRUCTION
R.O. ROUGH OPENING
SAN. SANITARY DEMOLITION
S.C. SOLID CORE
SCH. SCHEDULE

SHELTER ROOF BELOW
T N
EX. SLOPE A EX. SLOPE
C
F
O
O
R
F
O
E
N
IL
.P
Y
T
Project Number:
Date:
Revisions:
Drawn By:
E P
O
L S
SLOPE
Sheet:
A WATERPROOFING PLAN
BE1.1
COPYRIGHT C
2025
Torchio Architects, Inc.
ERAUQS
ESUOHTRUOC
001
71612
DNALYRAM
,ELLIVERTNEC
I certify that these documents
were prepared or approved by
me, and that I am a duly
licensed architect under the
laws of the State of Maryland,
License Number 14756,
Expiration Date 10/23/2026
James I. Magnuson
A2112
NOVEMBER 01, 2025
AKMH / JM
Design By:
BECS PROJECT NUMBER:
20230564
BECS
Building Envelope Consultants and Scientists, LLC.
Maryland Office
875 Hollins Street, #201
Baltimore, MD 21213
443-873-6203
www.becsmd.com
YTNUOC
S'ENNA
NEEUQ
100% CONSTRUCTION
DOCUMENTS
JM
NOITAVONER
ESUOHTRUOC
CIROTSIH
BE1.1
PLAN NORTH
SCALE: 1/8"=1'-0"
EPOCS
ESAB
-
NALP
GNIFOORPRETAW
## KEY NOTES (BASE SCOPE - BE1.1):
1. EXCAVATE AND APPLY WATERPROOFING TYPE WP-1 TO EXISTING CONCRETE SHELTER ROOF
- TYPICAL. REFER TO DETAILS.
2. APPLY WATERPROOFING TYPE WP-2 TO VERTICAL FACE OF EXISTING WALL - TYPICAL. REFER
G TO DETAILS.
3. EXISTING BRICK SITE WALL AROUND EQUIPMENT CORRAL TO REMAIN.
4. EXCAVATE AND EXPOSE ENTIRE EXISTING SHELTER ROOF AND EXTEND APPROXIMATELY 4
NFEET DOWN ALONG FACE OF FOUNDATION WALL. AFTER INSTALLATION OF
WATERPROOFING, BACKFILL, RE-GRADE AND RE-SOD ABOVE EXISTING ROOF AREA - SEE
CIVIL DWGS.
5. APPLY WATERPROOFING TYPE WP-2 TO TOP AND SIDES NEW BELOW GRADE UTILITY
TUNNEL - SEE ARCH DWGS FOR TUNNEL. REFER TO TYPICAL WATERPROOFING DETAILS.
NORTH LIBERTY STREET 6. APPLY WATERPROOFING TYPE WP-2 TO BELOW-GRADE OUTSIDE FACES OF NEW VERTICAL
CONC. UTILITY CHASE - SEE ARCH. DWGS.
13 EX. CURB (TYP.) N 7. EXTEND WP-1 MEMBRANE BENEATH EXISTING BRICK WALL OF UTILITY ENCLOSURE TO
REMAIN. TEMPORARILY SHORE, REMOVE, SALVAGE & REINSTALL BOTTOM PORTION OF
14 OBRICK WALL FOR WATERPROOFING INSTALLATION. SEE DETAIL INDICATED.
18
8. EXTEND WATERPROOFING TYPE WP-2 UP OUTSIDE EXISTING STAIR ENCLOSURE WALL AND
WATERPROOF TO GUARD RAIL POSTS - SEE ARCH. DWGS FOR GUARD RAIL AND CIVIL DWGS
EX. BRICK WALK ABOVE (TYP.) FOR NEW BRICK ROWLOCK. REFER TO WATERPROOFING DETAIL INDICATED.
9. INJECT SPECIFIED RESIN WATERPROOFING PER MFR. RECOMMENDATIONS INTO ALL CRACKS
AND COLD JOINTS IN EXISTING CONCRETE SUBSTRATE BEFORE INSTALLATION OF
WATERPROOFING.
I 10. DEMOLISH EXISTING CONC. CURB DOWN TO THE TOP OF THE HIGH ROOF OVER STAIRWAY
VESTIBULE. CHIP, GRIND, & PATCH EXISTING CONC. TO CREATE UNIFORMITY SMOOTH
1 SUBSTRATE.
I 11. APPLY WATERPROOFING TYPE WP-1 ON SLOPED REPAIR MORTAR TO TOP OF EXISTING
CDTYP.
SHELTER ROOF / STAIRWAY VESTIBULE HIGH ROOF.
BE2.1 12. PERIMETER DRAIN AT 24" BELOW EDGE OF SHELTER ROOF - TYPICAL ALL SIDES. SEE CIVIL
DWGS FOR DETAIL. REFER TO WATERPROOFING DETAIL INDICATED.
T
13. EXISTING CATCH BASIN - SEE CIVIL DWGS.
12 14. CONNECT PERIMETER DRAIN TO EXISTING CATCH BASIN - SEE CIVIL DWGS.
15. EXTEND PERIMETER DRAIN UNDER EQUIPMENT CORRAL WALL - SEE CIVIL DWGS.
2
16. FLASH WATERPROOFING MEMBRANE TO EXISTING STL. TUBE POSTS PER TYPICAL DETAILS.
17. APPLY WATERPROOFING TYPE WP-2 TO BELOW-GRADE FACE OF NEW OR EXISTING
FOUNDATION WALLS WHEREVER INDICATED WITH HEAVY DASHED LINE, TYPICAL. EXTEND
D
WATERPROOFING ON ALL SURFACES EXPOSED TO EARTH DOWN TO BOTTOM OF FOOTING /
C UNDERPINNING FOR EACH WALL (EXTENT OF WATERPROOFING ON FOOTINGS IS NOT
DEPICTED FOR CLARITY). REFER TO TYPICAL FOUNDATION WALL WATERPROOFING DETAIL.
4 REFER TO ARCH. AND STRUCT. DWGS FOR WALL AND FOOTING / UNDERPINNING DEPTHS
AND DETAILS.
9 18. EXISTING UNDERGROUND UTILITIES IN AREA OF WORK - SEE CIVIL DWGS.
19. EXISTING METAL FIRE ESCAPE STAIR UP. SHORE AND SUPPORT IN PLACE - SEE CIVIL DWGS.
20. APPLY WATERPROOFING SYSTEM TYPE WP-2 TO BELOW-GRADE PORTION OF EXISTING
COURTHOUSE WALL AND TIE TO SPECIFIED WATERPROOFING SYSTEM ON SHELTER ROOF.
I REFER TO WATERPROOFING DETAILS.
21. WATERPROOF JOINT BETWEEN NEW CONC. UTILITY TUNNEL AND FACE OF EXISTING CONC. U
FOUNDATION WALL . SEE DWG BE1.3 FOR ADDITIONAL INFORMATION.
15
B
W
O 3
R
S
R
R
E
Y 7
W
A
L R
5
T
D 6
20 BE2.1 C
BE1.3
O
S
16
21 11
8
F
N
19 A
G BE1.3
BE2.1
10 11
O
T
SIM.
D D
O
(FOUNDATION WALLS BELOW 17 17 17
BE2.1 BE2.1
17
COURTHOUSE BASEMENTC LEVEL - SEE SIM.
ARCH. & STRUCT. DWGS.) 17
Y
A
W
N
17 D
A
O
17
17
R R
B
17
17 17
17
O
17

2'0"
TYP.
EXTEND COUNTERFLASHING INTO SAWCUT REGLET IN EXSTG. BRICK
BED JOINT. SECURE WITH LEAD WEDGES. POINT W/ MORTAR
TERMINATION BAR, RECOMMENDED FASTENERS & SEALANT CAP
BEAD
HEMMED 16 OZ COPPER COUNTERFLASHING . EXTEND 4 INCHES
BELOW GRADE.
WATERPROOFING TYPE WP-2 ON EXISTING BRICK FOUNDATION
WALL. PREPARE SUBSTRATE PER MFR. RECEOMMENDATIONS
EXCAVATE, BACKFILL, GRADE AND
SOD
EXISTING
CONCRETE WALL
UNDISTURBED
SUBGRADE
EXISTING SHELTER ROOF
WATERPROOFING TYPE WP-1 ON EXISTING CONC.
SHELTER ROOF. PREPARE SUBSTRATE PER MFR.
RECEOMMENDATIONS
TNAC
FOOR
FO
ENIL
.PYT
"0-'4 .PYT
SHELTER ROOF BELOW
EX. SLOPE EX. SLOPE
"0-'2 .PYT "0-'2 .PYT
2'-0" 2'-0"
TYP. TYP.
"0-'2 .PYT
Project Number:
Date:
Revisions:
Drawn By:
Sheet:
A WATERPROOFING PLAN - ALTERNATE NO. 1
BE1.2
COPYRIGHT C
2025
Torchio Architects, Inc.
ERAUQS
ESUOHTRUOC
001
71612
DNALYRAM
,ELLIVERTNEC
I certify that these documents
were prepared or approved by
me, and that I am a duly
licensed architect under the
laws of the State of Maryland,
License Number 14756,
Expiration Date 10/23/2026
James I. Magnuson
A2112
NOVEMBER 01, 2025
AKMH / JM
Design By:
BECS PROJECT NUMBER:
20230564
BECS
Building Envelope Consultants and Scientists, LLC.
Maryland Office
875 Hollins Street, #201
Baltimore, MD 21213
443-873-6203
www.becsmd.com
YTNUOC
S'ENNA
NEEUQ
100% CONSTRUCTION
DOCUMENTS
JM
NOITAVONER
ESUOHTRUOC
CIROTSIH
BE1.2
PLAN NORTH
SCALE: 1/8"=1'-0"
1
.ON
ETANRETLA
-
NALP
GNIFOORPRETAW
NORTH LIBERTY STREET
EX. CURB (TYP.)
EX. BRICK WALK ABOVE (TYP.)
T
E
E
R
T
S
Y
T
R
E
B
I
L
H
T
R
O
N
FINISHED GRADE
Y
A
W
D
A
O
R
B
"6
"6-'1
TYP.
B
BE1.2
BASEMENT LEVEL COURTHOUSE
WATERPROOFING - INCLUDED IN
BASE SCOPE OF WORK - SEE A/BE1.1
VARIES - SEE PLAN
B WATERPROOFING AT SHELTER ROOF AND WALL INTERSECTION ALTERNATE NO. 1
BE1.2 SCALE: 1 1/2"=1'-0"
"4
## KEY NOTES (ALTERNATE NO. 1 - BE1.2):
1. APPLY WATERPROOFING TYPE WP-1 TO PORTION OF EXISTING SHELTER ROOF AND
TYPE WP-2 TOP EXISTING FOUNDATION WALL - SEE B/BE1.2. EXCAVATE AS
NECESSARY, BACKFILL, & RE-GRADE.
G 2. DEMOLISH EXISTING CONC. CURB DOWN TO THE TOP OF THE HIGH ROOF OVER
STAIRWAY VESTIBULE. CHIP, GRIND, & PATCH EXISTING CONC. TO CREATE
UNIFORMITY SMOOTH SUBSTRATE. EXCAVATE AS NECESSARY, BACKFILL, &
NRE-GRADE.
3. APPLY WATERPROOFING TYPE WP-1 ON LIMITED AREA OF SHELTER ROOF AFTER
DEMOLITION OF CONC. CURB - SEE A/BE1.2. ATTACH EDGES OF MEMBRANE TO
EX. CATCH BASIN - SEE CIVIL DRAWINGS
SUBSTRATE WITH TERMINATION BAR AND MFR. RECOMMENDED SEALANT.
EXCAVATE AS NECESSARY, BACKFILL, & RE-GRADE.
5. APPLY WATERPROOFING TYPE WP-1 TO TOP ONLY OF NEW BELOW GRADE UTILITY
TUNNEL - SEE A/BE1.2. FASTEN EDGES WITH TERMINATION BAR AND MFR
N RECOMMENDED SEALANT CAP BEAD. SEE ARCH AND STRUCT DWGS FOR TUNNEL.
EXCAVATE AS NECESSARY, BACKFILL, & RE-GRADE.
O6. APPLY WATERPROOFING TYPE WP-2 TO UNDERGROUND PORTION OF NEW
VERTICAL CONC. UTILITY CHASE - SEE B/BE1.2. TERMINATE EDGES OF MEMBRANE
WITH TERMINATION BAR AND MANUFACTURER RECOMMENDED SEALANT CAP
BEAD 4 INCHES BELOW FINISHED GRADE. EXCAVATE AS NECESSARY, BACKFILL, &
RE-GRADE.
7. EXTEND WATERPROOFING TYPE WP-2 UP THIS PORTION OF OUTSIDE EXISTING
STAIR ENCLOSURE WALL AND FLASH INTO MORTAR JOINT IN NEW BRICK COPING -
I SEE ARCH DWGS FOR BRICK COPING. REFER TO WATERPROOFING DETAIL
INDICATED. EXCAVATE AS NECESSARY, BACKFILL, & RE-GRADE.
8. WATERPROOF JOINT BETWEEN NEW UTILITY TUNNEL AND FACE OF EXISTING
I BELOW-GRADE CONC. STAIR WALL PER DETAIL J/BE2.1. EXCAVATE AS NECESSARY,
D
BACKFILL, & RE-GRADE.
9. EXTEND WP-1 MEMBRANE BENEATH EXISTING BRICK WALL OF UTILITY ENCLOSURE
TO REMAIN. TEMPORARILY SHORE, REMOVE, SALVAGE & REINSTALL BOTTOM
T
PORTION OF BRICK WALL FOR WATERPROOFING INSTALLATION. SEE DETAIL
INDICATED. EXCAVATE AS NECESSARY, BACKFILL, & RE-GRADE.
10. APPLY WATERPROOFING TYPE WP-1 TO LIMITED AREA OF SHELTER ROOF BENEATH
EXISTING EQUIPMENT CORRAL AS INDICATED. TERMINATE EDGES OF MEMBRANE
WITH TERMINATION BAR AND MANUFACTURER RECOMMENDED SEALANT CAP
BEAD. EXCAVATE AS NECESSARY, BACKFILL, & RE-GRADE.
D 11. INJECT SPECIFIED RESIN WATERPROOFING PER MFR. RECOMMENDATIONS INTO ALL
CRACKS AND COLD JOINTS IN EXISTING CONCRETE SUBSTRATE BEFORE C
14 INSTALLATION OF WATERPROOFING.
12. FLASH WATERPROOFING MEMBRANE TO EXISTING STL. TUBE POSTS PER TYPICAL
DETAILS.
13. EXISTING METAL FIRE ESCAPE STAIR UP. SHORE AND SUPPORT IN PLACE - SEE CIVIL
DWGS.
14. APPROXIMATE LIMIT OF EXCAVATION AREA FOR WATERPROOFING INSTALLATION
INDICATED AS A DASHED LINE.
I
U
B
10 11
14
11
1 14 9
R
C
SIM. 5
BE1.3
R
6
T
5
J
8
BE2.1
O
S
11
G 2 3
BE2.1
13 12 1 11
F
N
7
O
T 1 1" MIN. 2
O
C
N
R
O
EXCAVATE 2'-0" BEYOND WATERPROOFING

Project Number:
Date:
Revisions:
Drawn By:
Sheet:
COPYRIGHT C
2025
Torchio Architects, Inc.
ERAUQS
ESUOHTRUOC
001
71612
DNALYRAM
,ELLIVERTNEC
I certify that these documents
were prepared or approved by
me, and that I am a duly
licensed architect under the
laws of the State of Maryland, License Number 14756,
Expiration Date 10/23/2026
James I. Magnuson
A2112
NOVEMBER 01, 2025
AKMH / JM
Design By:
BECS PROJECT NUMBER:
20230564
BECS
Building Envelope Consultants and Scientists, LLC.
Maryland Office
875 Hollins Street, #201
Baltimore, MD 21213
443-873-6203
www.becsmd.com
YTNUOC
S'ENNA
NEEUQ
100% CONSTRUCTION
DOCUMENTS
JM
NOITAVONER
ESUOHTRUOC
CIROTSIH
MORTAR LOW POINT
+ 1" ABOVE EXSTG. CONC.
2
MORTAR LOW POINT
+ 1" ABOVE EXSTG. CONC. 2
E
P O
L S
SLOPE
MORTAR HI POINT
+ 2 1" ABOVE EXSTG. CONC.
2
PLAN NORTH
RIATS
.GTSXE
.LVL
TNEMESAB
OT
NWOD
NEW VERTICAL CONC. UTILITY CHASE - SEE ARCH. DWGS.
WATERPROOFING TYPE WP-1 ON
EXCAVATE, STOCKPILE, BACKFILL & RE-GRADE -
EXSTG. SHELTER ROOF TURN-UP WATERPROOFING TYPE WP-2 ON OUTSIDE OF
SEE CIVIL DWGS.
UTILITY CHASE. TERMINATE 4 INCHES BELOW FNISHED
EXTEND WATERPROOFING TYPE GRADE W/ TERMINATION BAR AND SEALANT CAP BEAD WATERPROOFING TYPE WP-1
WP-1 BENEATH EXISTING BRICK
WALL - SEE DETAIL INDICATED.
C D E C SIM.
BRICK COPING & GUARD
BE1.3 BE2.1 ATOP EXSTG. CONC. BE2.1 BE2.1 OMIT INSULATION
RETAINING WALL - SEE
ARCH. DWGS.
EXSTG. BRICK WALL OF UTILITY ENCLOSURE TO REMAIN.
DO NOT UNDERMINE OR DAMAGE DURING EXCAVATION
AND WATERPROOFING WORK.
LIMIT OF REPAIR MORTAR
WATERPROOFING TYPE WP-1 ON TOP AND WP-2 ON SIDE
OF NEW CONC. UTILITY TUNNEL. SEE ARCH AND STRUCT
DWGS FOR UTILITY TUNNEL
SLOPED REPAIR MORTAR. REMOVE EXSTG.
WATERPROOFING AND MECHANICALLY PROFILE
EXSTG. CONC. PER MFR. RECOMMENDATIONS.
WHERE MORTAR EXCEEDS 1 INCH THICKNESS,
EXTEND MORTAR WITH 3" PEA GRAVEL AT A RATE
8
OF 30 LBS GRAVEL TO 50 LBS DRY MORTAR MIX.
E
P
O
L
S
WATERPROOFING TYPE WP-1 ON B WATERPROOFING SECTION
SLOPED REPAIR MORTAR TO TOP
OF EXSTG. SHELTER ROOF. MAX.
BE1.3 SCALE: 1/4"=1'-0" THICKNESS 2 1/2 INCHES / MIN. 1
2
INCH
B
BE1.3
NEW BRICK COPING & GUARD RAIL ATOP EXSTG. CONC.
RETAINING WALL - SEE ARCH. AND CIVIL DWG.
D
BE2.1
WATERPROOFING TYPE WP-1 ON SLOPED REPAIR MORTAR
TO TOP OF EXSTG. SHELTER ROOF. MAX. THICKNESS 2 1/2
INCHES / MIN. 1 INCH
2
CHANGE IN REPAIR MORTAR SLOPE
TYPICAL PERIMETER DRAIN
EDGE OF EXSTG. UNDERGROUND SHELTER
REMOVE & DISPOSE OF EXSTG/ CONC. CURB DOWN TO
TOP OF EXSTG. UNDERGROUND SHELTER
EXSTG. COURTHOUSE
A WATERPROOFING DETAIL PLAN
BE1.3 SCALE: 1/4"=1'-0"
SNOITCES
DNA
NALP
LIATED
GNIFOORPRETAW
G
N
OPP
N
O
C SIM. I
BE2.1
I
D
J
BE2.1
PERIMETER DRAIN
T
GUARD RAIL POST PENETRATION - SEE ARCH. DWGS. FOR
GUARD. FLASH PER E/BE2.1.
D
C
I
EXSTG. BRICK SITE WALL AROUND EQPT. CORRAUL WATERPROOFING WP-1 SEE A/BE1.2
TO REMAIN
B
SEQUENTIALLY SHORE, REMOVE, SALVAGE, &
REINSTALL BOTTOM COURSES OF EXSTG. BRICK IN
3 FOOT SECTIONS FOR INSTALLATION OF
C
SIM. WATERPROOFING. PROVIDE INTERMITTENT GAPS F C SIM. BE2.1 IN BOTTOM OF WALL TO ALLOW DRAINAGE AS BE2.1 BE2.1 SIM.
INDICATED IN THE DETAIL.
R
R
T
EXSTG. CONC. SHELTER ROOF & WALL
CONC. UTILITY TUNNEL - SEE ARCH. & STRUCT.
DWGS.
O
S
F
C WATERPROOFING SECTION
N
BE1.3 SCALE: 1/4"=1'-0"
O
T
O
C
N
R
O
BE1.3

LAP AND WELD WP-1 AND
WP-2 MEMBRANES PER MFR.
WATERPROOFING
RECOMMENDATION
TYPE WP-1 - SEE
A/BE2.1 CHAMFER CONCRETE 2"x2"
WATERPROOFING TYPE
WP-2 - SEE B/BE2.1
TERMINATION BAR.
EXISTING SHELTER ROOF
FILTER FABRIC & #57
DRAINAGE FILL. PROVIDE
MIN. 3 INCH COVER AROUND
PIPE
EXISTING
CONCRETE
SHELTER WALL
LIMIT EXCAVATION TO
EXTENT NECESSARY FOR
WATERPROOFING WORK -
TYP.
UNDISTURBED
SUBGRADE
A WATERPROOFING TYPE WP-1 B WATERPROOFING TYPE WP-2 C WATERPROOFING AND PERIMETER DRAIN
BE2.1 SCALE:1 1" = 1'-0" BE2.1 SCALE:1 1" = 1'-0" BE2.1 SCALE:1 1" = 1'-0"
2 2 2
FINISHED GRADE
D WATERPROOFING AT COURTHOUSE WALL E WATERPROOFING AND BRICK CURB @ STAIR
BE2.1 SCALE:1 1" = 1'-0" BE2.1 SCALE:1 1" = 1'-0"
2 2
'2
SEIRAV
HTPED
"4-'1
BACKFILL, REGRADE AND RE-SOD - COORDINATE
EXCAVATION AND BACKFILL WITH CIVIL DRAWINGS
ADDITIONAL MEMBRANE -
REFER TO CIVIL DWGS.
EXCAVATE, BACKFILL, GRADE AND
SOD
EXISTING BRICK
WALL
EXISTING SHELTER ROOF
"4
"6
"6-'1
FINISHED GRADE
EXISTING SOIL OVERBURDEN - EXCAVATE FOR WATERPROOFING THEN BACKFILL & RE-GRADE. REFER TO CIVIL
DWGS. FOR INFORMATION
R-10 MINIMUM RIGID FOAM INSULATION CONTINUOUS WITHOUT VOIDS OR GAPS. BUTT EDGES AND TIGHTLY
CUT AND COPE TO ADJACENT CONSTRUCTION AND PENETRATIONS.
EXISTING SOIL OVERBURDEN - EXCAVATE FOR WATERPROOFING THEN BACKFILL & RE-GRADE. REFER
DRAINAGE AND PROTECTION BOARD, CONTINUOUS.
TO CIVIL DWGS. FOR INFORMATION
DUAL PVC AND REACTIVE POLYMER FLEECE (RPF) SHEET WATERPROOFING. RPF LAYER SHOWN DASHED.
LOOSE-LAID.
R-10 MINIMUM RIGID FOAM INSULATION CONTINUOUS WITHOUT VOIDS OR GAPS. BUTT EDGES AND
TIGHTLY CUT AND COPE TO ADJACENT CONSTRUCTION AND PENETRATIONS.
TYPICAL WATERPROOFING EDGE SEAM: DRAINAGE AND PROTECTION BOARD, CONTINUOUS.
(1) CUT AND EXPOSE 3 INCHES OF RPF ALONG EDGE
OF "DOWNHILL" SHEET.
ADHERED REINFORCED THERMOPLASTIC FLASHING MEMBRANE.
(2) REMOVE 3 INCHES OF RPF FROM EDGE OF
"UPHILL" SHEET.
(3) LAP UPHILL SHEET OVER DOWNHILL SHEET, DATUM: TOP OF
ACHIEVING OVERLAP DISTANCES INDICATED. WALL/ UNDERSIDE
(4) HEAT WELD UPHILL SHEET TO DOWNHILL SHEET, OF ROOF
MINIMUM OF 1" WIDE WELD. 2
EXISTING CONCRETE SUBSTRATE. REMOVE SOIL, 3" 3"
EXSTG. CONCRETE SUBSTRATE. CLEAN, INSPECT & REPAIR, AND PREPARE PER WATERPROOFING MFR. ROCKS, LOOSE AND SPALLED CONCRETE, AND LOOSE
RECOMMENDATIONS.
PORTIONS OF EXISTING ASPHALTIC WATERPROOFING
TO EXTENT RECOMMENDED BY WATERPROOFING
MEMBRANE MANUFACTURER. FULL REMOVAL OF
EXISTING WATERPROOFING IS NOT REQUIRED. MAKE
CONCRETE REPAIRS WHERE NECESSARY, AND
BOTTOM OF
PREPARE SURFACE AS RECOMMENDED BY
INJECT SPECIFIED RESIN WATERPROOFING PER MFR. RECOMMENDATIONS INTO ALL CRACKS AND COLD
WATERPROOFING
WATERPROOFING MFR.
JOINTS IN EXSTG. CONCRETE SUBSTRATE BEFORE INSTALLATION OF WATERPROOFING
INJECT SPECIFIED RESIN WATERPROOFING PER MFR. RECOMMENDATIONS INTO ALL CRACKS AND COLD JOINTS IN
EXSTG. CONCRETE SUBSTRATE BEFORE INSTALLATION OF WATERPROOFING
EXCAVATE, BACKFILL,
GRADE AND SOD
EXISTING
CONCRETE WALL
EXISTING SHELTER ROOF
F WATERPROOFING AT EXISTING EXTERIOR WALL WITHIN CORRAL
BE2.1 SCALE:1 1" = 1'-0"
2
MANUF. APPLIED SEALANT ALONG
TOP EDGE.
SEALANT CAP BEAD ALL AROUND
TERMINATION BAR
WATERPROOFING TYPE WP-2 (OMIT
INSULATION)
MANUF. APPLIED SEALANT
EXCAVATE, BACKFILL,
CANT PER WATERPROOFING
GRADE AND SOD
MFR. RECOMMENDATIONS
WATERPROOFING TYPE WP-1 SEE A/BE2.1
EXISTING SHELTER ROOF
INJECT SPECIFIED RESIN WATERPROOFING PER MFR. RECOMMENDATIONS INTO
ALL CRACKS AND COLD JOINTS IN EXSTG. CONCRETE SUBSTRATE BEFORE
INSTALLATION OF WATERPROOFING
G FLASHING AT TUBE POST WITH BASEPLATE H WATERPROOFING AT NEW FOUNDATION WALL & UNDERPINNING
BE2.1 SCALE:1 1" = 1'-0" BE2.1 SCALE:1 1" = 1'-0"
2 2
"4
PERFORATED PERIMETER
DRAIN - SEE CIVIL DWGS.
COUNTERFLASHING IN SAWCUT REGLET IN EXSTG. BRICK BED JOINT.
SECURE WITH LEAD WEDGES. POINT W/ MORTAR. EXSTG. BRICK SITE WALL AROUND EQPT. CORRAL TO
TERMINATION BAR, RECOMMENDED FASTENERS & SEALANT CAP LAMINATED STAINLESS STEEL FLASHING EMBEDDED IN MORTAR BED REMAIN
BEAD JOINT - FULL WIDTH OF WALL
HEMMED 16 OZ COPPER COUNTERFLASHING . EXTEND 4 INCHES TRANSITION TO HEMMED MILL STAINLESS STL. COUNTERFLASHING
BELOW GRADE. AT EXTERIOR FACE OF WALL
MANUF. APPLIED SEALANT CAP BEAD ALONG TOP EDGE
WATERPROOFING TYPE WP-2 ON EXISTING BRICK FOUNDATION
WALL. PREPARE SUBSTRATE PER MFR. RECEOMMENDATIONS TERMINATION BAR
SEQUENTIALLY SHORE, REMOVE, SALVAGE, AND
WATERPROOFING TYPE WP-2 (OMIT INSULATION) SEE B/BE2.1
REINSTALL BOTTOM COURSES OF EXSTG. BRICK IN
APPROX. 3 FOOT INTERMITTENT SECTIONS FOR
INSTALLATION OF WP-1 MEMBRANE. LAP AND HEAT
WELD ADJACENT WP-1 MEMBRANE SECTIONS
EXCAVATE,
WATERTIGHT AS INDICATED IN DETAIL A/BE2.1.
BACKFILL,
GRADE AND
STOP DRAINAGE AND PROTECTION BOARD AND
SOD
INSULATION AT FACE OF WALL
WATERPROOFING TYPE WP-1 SEE A/BE1.2
EXISTING SHELTER ROOF
LAMINATED STAINLESS STEEL FLASHING MEMBRANE AS SEPARATOR BETWEEN
WATERPROOFING TYPE WP-1 SEE A/BE2.1
BRICK AND WP-1 MEMBRANE
WP-1 MEMBRANE CONTINUOUS UNDER EXSTG. BRICK SITE WALL
WATERPROOFING TYPE WP-1 ON EXISTING CONC.
SHELTER ROOF. PREPARE SUBSTRATE PER MFR.
RECEOMMENDATIONS
EXISTING METAL STAIR TUBE
FIELD-FORMED PENETRATION FLASHING
BOOT - UNREINFORCED KEE DETAIL
MEMBRANE BY WATERPROOFING
MANUFACTURER. HEAT-WELD TO TOP OF
WP-1 MEMBRANE, AND ADHERE TO EXSTG.
STEEL TUBE.
.NIM
"01
CONCRETE UNDERPINNING
BY OTHERS. SEE STRUC.
DWG.
TERMINATION BAR
EES
-
SEIRAV
SGWD
.HCRA
SGWD
.TCURTS
DNA
.HCRA
EES
-
SEIRAV
1 1"MIN. BRICK - SEE ARCH. DWGS.
2
SEALANT COVE BEAD
FIELD-FORMED
PENETRATION FLASHING
BOOT - UNREINFORCED
KEE DETAIL MEMBRANE BY
WATERPROOFING
MANUFACTURER. ADHERE
TO POST AND TO TOP OF
LAMINATED S.STL.
FLASHING. SEAL
WATERTIGHT.
GUARD RAIL POSTS EMBEDDED IN EXSTG. WALL - SEE
ARCH. DWGS. FOR DESCRIPTION
NOTE: PROVIDE INTERMITTENT
OPENINGS THROUGH BOTTOM OF
BRICK WALL FOR WATER DRAINAGE - 8 Project Number:
INCHES WIDE x 2 BRICK COURSES HIGH,
EVERY 24 INCHES.
Date:
Revisions:
Drawn By:
TERMINATE TOP OF WP-2 SIMILAR TO DETAIL E/BE2.1 AT 4 INCHES BELOW FINISHED
GRADE
EXCAVATE & BACKFILL FOR
WATERPROOFING (SOILS NOT EXCAVATE, BACKFILL,
SHOWN) GRADE AND SOD
WATERPROOFING TYPE WP-2 SEE
B/BE2.1
LAP & HEAT-WELD WP-2 MEMBRANE
TO TOP OF WP-1 MEMBRANE PER MFR.
RECOMMENDATIONS
WATERPROOFING TYPE WP-1 SEE
EXSTG. CONC. FOUNDATION
EXCAVATE & BACKFILL FOR A/BE2.1 WALL & STAIR
WATERPROOFING (SOILS NOT
SHOWN)
SEMI-CONDITIONED INTERIOR
SPACE BELOW EXISTING CONC.
STAIR
TOP OF CONC. UTILITY TUNNEL - SEE
STRIP-FLASH JOINT BETWEEN NEW &
STRUCT. DWGS.
EXSTG. CONC. W/ ADHERED
UNREINFORCED KEE DETAIL FLASHING
MEMBRANE. EXTEND 6 INCHES TO EITHER
SIDE OF JOINT.
NEW UTILITY OPNG. THRU EXSTG. WALL -
SEE MEP AND ARCH DWGS
Sheet:
WATERPROOFING AT UTILITY TUNNEL / EXISTING STAIR WALL J
BE2.1 SCALE:1 1" = 1'-0"
2
COPYRIGHT C
2025
Torchio Architects, Inc.
ERAUQS
ESUOHTRUOC
001
71612
DNALYRAM
,ELLIVERTNEC
I certify that these documents
were prepared or approved by
me, and that I am a duly
licensed architect under the
laws of the State of Maryland,
License Number 14756,
Expiration Date 10/23/2026
James I. Magnuson
A2112
NOVEMBER 01, 2025
AKMH / JM
Design By:
BECS PROJECT NUMBER:
20230564
BECS
Building Envelope Consultants and Scientists, LLC.
Maryland Office
875 Hollins Street, #201
Baltimore, MD 21213
443-873-6203
www.becsmd.com
YTNUOC
S'ENNA
NEEUQ
100% CONSTRUCTION
DOCUMENTS
JM
NOITAVONER
ESUOHTRUOC
CIROTSIH
BE2.1
SLIATED
GNIFOORPRETAW
G
N
N
O
I
I
D
T
D
C
I
U
B
R
R
T
O
S
F
N
O T
O
C
N
R
O