LICENSED ARCHITECT
No. C 29,669
ANDREW M BUTT
.
REN. 6-30-27STATE OF CALIFORNIA
117 PARK PLACE
POINT RICHMOND
CALIFORNIA 94801
(510) 236-7435
www.intres.com
Client Organization
Project
Approvals
Sheet Number
Sheet Title
No. Description Date
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
MASTICK SENIOR
CENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,
CA 94501
COVER SHEET
A001
12/5/2025
2020-027-01
ABBREVIATIONS SYMBOLS
PROJECT TEAM DRAWING INDEX
LOCATION MAP
SCOPE OF WORK
A.B.
ACOUS.
ADM.
ALS
ALT.
ALUM.
APPROX.
ARCH.
A.R.
ANCHOR BOLTS
ACOUSTICAL
ADMINISTRATIVE
ASSISTIVE LISTENING SYSTEM
ALTERNATE
ALUMINUM
APPROXIMATE
ARCHITECTURAL
ABUSE RESISTANT
B.E.C.
BLDG.
BLK.
BLKG.
BM.
B.N.
BOT.
BD.
BTR.
BY ELEVATOR CONTRACTOR
BUILDING
BLOCK
BLOCKING
BEAM
BOUNDARY NAIL
BOTTOM
BOARD
BETTER
CAB.
CAC.
CAT.
CEM. PLAS.
CER.
C.J.
CLG.
CLR.
C.O.
COL.
CONC.
CONN.
CONT.
CONTR.
C.M.U.
CSPE
CABINET
CALIFORNIA ADMINISTRATIVE
CODE
CATWALK
CEMENT PLASTER
CERAMIC
CONSTRUCTION JOINT
CEILING
CLEAR
(GSA) CONTRACTING OFFICER
COLUMN
CONCRETE
CONNECTION
CONTINUOUS
CONTRACTOR
CONCRETE MASONRY UNIT
CHLOROSULFONATED
POLYETHYLENE ("HYPALON")
DBL.
DET.
D.F.
DIAG.
DIA.
DIM.
DN.
DP.
DR.
D.S.
DSA
DOUBLE
DETAIL
DOUGLAS FIR
DIAGONAL
DIAMETER
DIMENSION
DOWN
DEEP
DOOR
DOWNSPOUT
DIVISION OF THE STATE
ARCHITECT
EA.
E.F.
E.J.
ELEV.
ELEC.
E.N.
E.Q.
EQPT.
E.S.
E.W.
EXIST.
EXP.
EXT.
EACH
EACH FACE
EXPANSION JOINT
ELEVATION
ELECTRICAL
EDGE NAIL
EQUAL
EQUIPMENT
EACH SIDE
EACH WAY
EXISTING
EXPANSION
EXTERIOR
FDN.
FHWS
FIN.
FFE
F.J.
FL.
FLUOR.
F.N.
F.O.C.
F.O.F.
F.O.M.
F.O.S.
FRMG.
FT.
FOUNDATION
FLAT HEAD WOOD SCREW
FINISH
FINISH FLOOR ELEVATION
FLOOR JOIST
FLOOR
FLUORESCENT
FIELD NAIL
FACE OF CONCRETE
FACE OF FINISH
FACE OF MASONRY
FACE OF STUD
FRAMING
FOOT/FEET
G.S.M.
GYP. BD.
GALVANIZED SHEET METAL
GYPSUM BOARD
H.D.
HMA
HM
HORIZ.
H.S.B.
HT.
HDR.
HOLD-DOWN
HAZARDOUS MATERIALS
ABATEMENT
HOLLOW METAL
HORIZONTAL
HIGH STRENGTH BOLTS
HEIGHT
HEADER
IN.
I.D.
INSUL
ISA
INCH(ES)
INSIDE DIAMETER
INSULATION
INTERNATIONAL SYMBOL OF
ACCESS
JT.
JST.
JOINT
JOIST
LONG (LENGTH)
MAX.
M.B.
MECH.
MET.
MEZZ.
MFR.
MIN.
MOD. BIT.
MAXIMUM
MACHINE BOLTS
MECHANICAL
METAL
MEZZANINE
MANUFACTURER
MINIMUM
MODIFIED BITUMEN.
N/A
N.I.C.
NOM.
N.T.S.
NOT APPLICABLE
NOT IN CONTRACT
NOMINAL
NOT TO SCALE
O.C.
O.H.
OLA
OPP.
O/
ON CENTER
OPPOSITE HAND
OFFICE OF LOCAL ASSISTANCE
OPPOSITE
OVER
PERIM.
PBS
P.C.C.
PL.
P.L.
P.LAM.
PLYWD.
PMMA
P.N.
POLYISO.
P.S.F.
P.S.I.
P.T.
PT.
PERIMETER
PUBLIC BUILDINGS SERVICE
PRECAST CONCRETE
PLATE
PROPERTY LINE
PLASTIC LAMINATE
PLYWOOD
POLYMETHYL METHACRYLATE
PLATE NAIL
POLYISOCYANURATE
POUNDS PER SQUARE FOOT
POUNDS PER SQUARE INCH
PRESSURE TREATED
POINT
R.
RAD.
REINF.
REQD.
RES.
R.O.
R.S.
RDWD.
RO.
R.W.L.
RISER
RADIUS
REINFORCEMENT
REQUIRED
RESILIENT
ROUGH OPENING
ROUGH SAWN
REDWOOD
ROUGH
RAIN WATER LEADER
GA.
GAL.
GALV.
GSS
GLB
GRD.
GSA
GAUGE
GALLON
GALVANIZED
GALVANIZED SHEET STEEL
GLUE LAMINATED BEAM
GRADE
GENERAL SERVICES
ADMINISTRATION
SA
SAF
S.C.D.
S.E.D.
S.L.D.
S.M.D.
S.P.D.
S.S.D.
SHT.
S.H.
SIM.
SLDR.
SMS
S.O.G.
SPEC(S)
SQ.
S.S.
S.S.P.
STRUC.
SYM.
SUSPENDED ACOUSTICAL
SELF ADHERED FLASHING
SEE CIVIL DRAWINGS
SEE ELECTRICAL DRAWINGS
SEE LANDSCAPE DRAWINGS
SEE MECHANICAL DRAWINGS
SEE PLUMBING DRAWINGS
SEE STRUCTURAL DRAWINGS
SHEET
SINGLE HUNG
SIMILAR
SLIDER
SHEET METAL SCREW(S)
SLAB ON GRADE
SPECIFICATION(S)
SQUARE
STAINLESS STEEL
STANDARD STEEL PIPE
STRUCTURAL
SYMMETRICAL
PROJECT DATA GENERAL NOTES
T.
T.&B.
T.&G.
T.C.
TEL.
TREAD
TOP AND BOTTOM
TONGUE AND GROOVE
TOP OF CURB
TELEPHONE
TER.
T.O.C.
T.O.PL.
T.O.S.
T.O.SF.
T.O.W.
TWS
T.P.
TRANSV.
TR.
TYP.
TERRAZZO
TOP OF CONCRETE
TOP OF PLATE LINE
TOP OF STEEL
TOP OF SUBFLOOR
TOP OF WALL
TACKABLE WALL SURFACE
(FABRIC WRAPPED PANEL)
TOP OF PAVEMENT
TRANSVERSE
TREATED
TYPICAL
U.O.N. UNLESS OTHERWISE NOTED
VERT.
VG.
VIF.
VERTICAL
VERTICAL GRAIN
VERIFY IN FIELD
W.
WASH.
W/
W/C
WD.
W.O.
W/O
WP.
WPF.
WRB
WS
WWM
WIDE
WASHER
WITH
WATER CLOSET
WOOD
WHERE OCCURS
WITHOUT
WATERPROOF
WEATHERPROOF
WEATHER RESISTANT BARRIER
WOOD SCREW
WELDED WIRE MESH
X CROSS
@
(E)
#
PL
(N)
WP
AND
AT
CENTER LINE
DIAMETER OR ROUND LINE
EXISTING
PERPENDICULAR
POUND OR NUMBER
PLATE
NEW
WORK POINT
NOMINAL FLOOR LEVEL
OR MATCH LINE
COLUMN GRID4
4 LOUVER SYMBOL
4 DOOR SYMBOL
4 WINDOW SYMBOL
4 GATE SYMBOL
4 A-4
SECTION / EXTERIOR
ELEVATION SYMBOL
SECTION / ELEVATION NUMBER
SHEET NUMBER
4 A-4
A-4
DETAIL SYMBOL
DETAIL NUMBER
SHEET NUMBER
INTERIOR ELEVATION SYMBOL
DETAIL NUMBER
SHEET NUMBER
1 24
3 1 EQUIPMENT SYMBOL
A1
TYPE NO.
REVISION SYMBOL
100
2436 30
WI - WOODWORK INSTITUTE
SERIES DESIGNATION
COMMENT
HEIGHT
DEPTH
WIDTH
D14 KEYNOTE SYMBOL
NORTHNREF
4 APPLICABLE CODES
L.
FIRE RATING W.O.
MEMBER SIZE
6 EXTERIOR
ELEVATION SYMBOL
ELEVATION NUMBER
SHEET NUMBER
4A-4
VICINITY MAP
MASTICK SENIOR CENTER
1155 SANTA CLARA AVE, ALAMEDA, CA
94501
CITY OF
ALAMEDA
SHEET # SHEET NAME
GENERAL
A001 COVER SHEET
CIVIL
C01 STORMWATER MANAGEMENT
ARCHITECTURAL
A100 SITE PLAN
A101 DEMOLITION ROOF PLAN
A102 FIRST FLOOR DEMOLITION REFLECTED
CEILING PLAN
A103 ROOF PLAN
A104 FIRST FLOOR REFLECTED CEILING PLAN
A201 EXTERIOR ELEVATIONS
A501 DETAILS
A502 DETAILS
PLUMBING
P001 PLUMBING COVER SHEET
P101 PLUMBING ROOF PLAN
INTERACTIVE RESOURCES
INC.
117 PARK PLACE,
RICHMOND, CA 94801
TEL: (510) 236-7435
ANDREW BUTT AIA,
MANAGING PRINCIPAL
EMAIL: ANDREW.BUTT
@INTRES.COM
ARCHITECT:
CITY OF ALAMEDA
950 W. MALL SQUARE
ALAMEDA, CA 94501
TEL: (510) 603-9550
CHANDNI PATEL,
FACILITIES PROJECT
MANAGER, PUBLIC WORKS
DEPT.
EMAIL:
[email protected]
CLIENT:
EDESIGNC INCORPORATED
582 MARKET STREET.
SUITE 400,
SAN FRANCISCO, CA 94104
TEL: (415) 963-4303
JIM DYER, PE,
EMAIL:
[email protected]
MEP ENGINEER:
CSWST2
5870 STONERIDGE MALL
ROAD, SUITE 207,
PLEASANTON, CA 94588
TEL: (925) 787-4982
MICHAEL VIDRA, PE,
QSP/QSD, LEED AP
SENIOR PROJECT
MANAGER
EMAIL:
[email protected]
CIVIL ENGINEER:
SITE ADDRESS:
USE:
YEAR BUILT:
STORIES:
OCCUPANCY:
HEIGHT:
CONSTRUCTION TYPE:
BUILDING AREA:
1155 SANTA CLARA AVENUE
ALAMEDA, CA 94501
SENIOR CENTER
1933
2 B- OFFICE
A-3 - COMMUNITY HALL
± 15'-0" (NO CHANGE)
TYPE V-B NON SPRINKLERED
APPROX 41 ,700 SF
THE 2022 EDITION OF CCR, TITLE 24:
PART 1 - CALIFORNIA BUILDING STDS ADMINISTRATIVE CODE
PART 2 - CALIFORNIA BUILDING CODE
PART 3 - CALIFORNIA ELECTRICAL CODE
PART 4 - CALIFORNIA MECHANICAL CODE
PART 5 - CALIFORNIA PLUMBING CODE
PART 6 - CALIFORNIA ENERGY CODE
PART 8 - CALIFORNIA FIRE CODE
PART 10 - CALIFORNIA EXISTING BUILDING CODE
PART 11 - CALIFORNIA GREEN BUILDING STANDARDS
PART 12 - CALIFORNIA REFERENCE STANDARDS
CCR TITLE 19, DIVISION 1 - SFM REGULATIONS TO APPLICABLE CODES 2022 NFPA
2010 ADA STANDARDS FOR ACCESSIBLE DESIGN
1. 2.
3. 4.
NEW CONSTRUCTION, IF SPECIFICALLY NOTED IN
THE ARCHITECTURAL DRAWINGS, SHALL EITHER BE
UNPREFIXED OR PREFIXED BY "NEW" OR (N).
EXISTING CONSTRUCTION, IF SPECIFICALLY NOTED
IN THE ARCHITECTURAL DRAWINGS, SHALL ALWAYS
BE PREFIXED BY "EXIST" OR (E).
CONTRACTOR TO VERIFY ALL CONDITIONS AND
MEASUREMENTS OF AS-BUILT CONSTRUCTION
AFFECTING PROPOSED WORK. ALL
INCONSISTENCIES SHALL BE BROUGHT TO THE
ATTENTION OF THE ARCHITECT IMMEDIATELY AND
PRIOR TO PROCEEDING WITH WORK.
INFORMATION ON EXISTING CONDITIONS WAS
OBTAINED FROM ORIGINAL DRAWINGS PROVIDED BY
OWNER AND FROM LIMITED EXPLORATORY
OBSERVATIONS. THE ARCHITECT ASSUMES THESE
SOURCES TO BE RELIABLE, AND OBSERVED
CONDITIONS ARE ASSUMED TO BE
REPRESENTATIVE. HOWEVER, ACTUAL CONDITIONS
MAY VARY. THE CONTRACTOR SHALL FIELD VERIFY
ACTUAL CONDITIONS.
THE SCOPE OF WORK INCLUDES – BUT IS NOT LIMITED TO –
THE FOLLOWING:
DEMOLISH (E) ROOF DRAINS, PATCH AND REPAIR PVC KEE
MEMBRANE ROOFING, (N) OPENINGS IN PARAPET WALLS FOR
SCUPPERS
TRUE
NORTH
REFERENCE
NORTH
TRUE
NORTH
REFERENCE
NORTH
ROOF DRAIN IMPROVEMENTS
DESIGN DEVELOPMENT SET 8/18/2025
CONSTRUCTION DOCUMENTS 8/29/2025
1 PC CORRECTIONS 12/5/2025
DYH
EXISTING DRAIN INLETGRATE 26.994" OUT
DOWNSPOUT SHALL DAYLIGHT ONTOPARKING LOT. SEE ARCHITECTURALPLANS FOR DOWNSPOUT LOCATIONS ANDMEP PLANS FOR DOWNSPOUT DETAILS.DOWNSPOUT SHALL DAYLIGHT AT GROUND LEVEL. RIP RAPSHALL BE INSTALLED BELOW EACH DOWNSPOUT PERDETAIL 2 ON THIS SHEET. SEE ARCHITECTURAL PLANS FORDOWNSPOUT LOCATIONS AND MEP PLANS FORDOWNSPOUT DETAILS.
HEADER PIPE, SEE ARCHITECTURAL PLANSFOR HEADER PIPE LOCATIONS AND MEPPLANS FOR HEADER PIPE DETAILS.
ROOF DRAIN, SEE ARCHITECTURALPLANS FOR ROOF DRAINLOCATIONS AND MEP PLANS FORROOF DRAIN CONNECTION.ROOF DRAIN, SEE ARCHITECTURALPLANS FOR ROOF DRAIN LOCATIONSAND MEP PLANS FOR ROOF DRAINCONNECTION.ROOF DRAIN, SEE ARCHITECTURALPLANS FOR ROOF DRAIN LOCATIONSAND MEP PLANS FOR ROOF DRAINCONNECTION.ROOF DRAIN, SEE ARCHITECTURALPLANS FOR ROOF DRAIN LOCATIONSAND MEP PLANS FOR ROOF DRAINCONNECTION.ROOF DRAIN, SEE ARCHITECTURALPLANS FOR ROOF DRAIN LOCATIONSAND MEP PLANS FOR ROOF DRAINCONNECTION.
EXISTING DRAIN INLETIN PARKING LOT.
DOWNSPOUT SHALL DAYLIGHT ONTOCONCRETE PATH.SEE ARCHITECTURALPLANS FOR DOWNSPOUT LOCATIONS ANDMEP PLANS FOR DOWNSPOUT DETAILS.
DOWNSPOUTS SHALL DAYLIGHT ABOVE GROUNDINTO PLANTER BOX WITH DOWNSPOUT TEE ATTHE BOTTOM/OUTLET POINT. RIP RAP SHALL BEINSTALLED BELOW EACH SIDE OF THE TEE PERDETAIL 1 ON THIS SHEET. SEE ARCHITECTURALPLANS FOR DOWNSPOUT LOCATIONS AND MEPPLANS FOR DOWNSPOUT DETAILS.
DOWNSPOUT SHALL DAYLIGHT ONTOPARKING LOT. SEE ARCHITECTURALPLANS FOR DOWNSPOUT LOCATIONS ANDMEP PLANS FOR DOWNSPOUT DETAILS.DOWNSPOUT SHALL DAYLIGHT ONTOCONCRETE PATH. SEE ARCHITECTURALPLANS FOR DOWNSPOUT LOCATIONS ANDMEP PLANS FOR DOWNSPOUT DETAILS.
DOWNSPOUT SHALL DAYLIGHT INTOPLANTER BOX. SEE ARCHITECTURALPLANS FOR DOWNSPOUT LOCATIONS ANDMEP PLANS FOR DOWNSPOUT DETAILS.
DOWNSPOUT SHALL DAYLIGHT ONTOCONCRETE PATH. SEE ARCHITECTURALPLANS FOR DOWNSPOUT LOCATIONS ANDMEP PLANS FOR DOWNSPOUT DETAILS.
DOWNSPOUTS SHALL DAYLIGHT ABOVE GROUNDINTO PLANTER BOX WITH DOWNSPOUT TEE ATTHE BOTTOM/OUTLET POINT. RIP RAP SHALL BEINSTALLED BELOW EACH SIDE OF THE TEE PERDETAIL 1 ON THIS SHEET. SEE ARCHITECTURALPLANS FOR DOWNSPOUT LOCATIONS AND MEPPLANS FOR DOWNSPOUT DETAILS.HEADER PIPE, SEE ARCHITECTURAL PLANSFOR HEADER PIPE LOCATIONS AND MEPPLANS FOR HEADER PIPE DETAILS.
HEADER PIPE, SEE ARCHITECTURAL PLANSFOR HEADER PIPE LOCATIONS AND MEPPLANS FOR HEADER PIPE DETAILS.HEADER PIPE, SEE ARCHITECTURAL PLANSFOR HEADER PIPE LOCATIONS AND MEPPLANS FOR HEADER PIPE DETAILS.
Graphic Scale (in feet)2040 0201 inch = 20 ft.
ROOF DOWNSPOUTSEE PLUMBING PLANSBUILDING EXTERIORSEE ARCH DRAWINGS RIP RAP DIMENSIONS SHALL BE AMINIMUM OF 2' x 2'. SIZE OF RIP RAPSHALL BE A MINIMUM OF 3" AND AMAXIMUM OF 6" WITH A MINIMUMLAYER THICKNESS OF 6". 117 PARK PLACEPOINT RICHMONDCALIFORNIA 94801(510) 236-7435www.intres.com Client Organization
Project
Approvals
Sheet Number
Sheet Title
No.DescriptionDate
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
CSWST2.com
Engineering Landscape ArchitectureSurveyingUrban Planning5870 Stoneridge Mall Road, #207Pleasanton, CA 94588415.883.9850
MASTICK SENIORCENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,CA 94501
STORMWATERMANAGEMENTC01
09/09/25
2020-027-011DESIGN DEVELOPMENT SET8/18/20252CONSTRUCTION DOCUMENTS8/29/20253CONSTRUCTION DOCUMENTS - REV 1X/XX/XXXX NOTES:1.ALL DOWNSPOUTS THAT DISCHARGE INTO PLANTED AREAS SHALL HAVE RIP RAP INSTALLED PER DETAIL 2 ON THIS SHEET.2.ALL DOWNSPOUT LOCATIONS ARE FOR REFERENCE ONLY, SEE ARCHITECTURAL PLANS FOR SPECIFIC LOCATIONS.3.ALL DOWNSPOUT DETAILS SHALL BE PER MEP PLANS.
ROOF DOWNSPOUTSEE PLUMBING PLANSBUILDING EXTERIORSEE ARCH DRAWINGS RIP RAP DIMENSIONS SHALL BE AMINIMUM OF 2' x 2'. SIZE OF RIP RAPSHALL BE A MINIMUM OF 3" AND AMAXIMUM OF 6" WITH A MINIMUMLAYER THICKNESS OF 6".
DOWNSPOUT TEE PER MEP PLANSRIP RAP DIMENSIONS SHALL BE AMINIMUM OF 1.5' x 5.5'. SIZE OF RIPRAP SHALL BE A MINIMUM OF 3" AND AMAXIMUM OF 6" WITH A MINIMUMLAYER THICKNESS OF 6".
FILTER FABRIC TO LINEBOTTOM OF RIP RAP
FILTER FABRIC TO LINEBOTTOM OF RIP RAP
BAY STREET
ST. CHARLES STREET
SANTA CLARA AVENUE
(E) COURTYARD
AREA OF WORK
LAY DOWN AREA
(TEMPORARY)
LAY DOWN AREA
(TEMPORARY)
LAY DOWN AREA
(TEMPORARY)
CONTRACTOR
ACCESS
THROUGH
BUILDING TO
ROOF HATCH
1 1
1 SITE PLAN LEGEND
AREA NOT IN
SCOPE
STAGING
AREA
SCOPE OF WORK FOR THIS
PROJECT INCLUDES ROOF DRAIN
SYSTEMS FOR ROOFS OF THESE
BUILDINGS AND WALKWAYS. SEE
CIVIL DRAWINGS FOR EXTENT
OF SITE WORK
SITE NOTES
LICENSED ARCHITECT
No. C 29,669
ANDREW M BUTT
.
REN. 6-30-27STATE OF CALIFORNIA
117 PARK PLACE
POINT RICHMOND
CALIFORNIA 94801
(510) 236-7435
www.intres.com
Client Organization
Project
Approvals
Sheet Number
Sheet Title
No. Description Date
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
MASTICK SENIOR
CENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,
CA 94501
SITE PLAN
A100
12/5/2025
2020-027-01
1" = 20'-0"1 SITE PLAN
TRUE
NORTHREFERENCE
NORTH
DESIGN DEVELOPMENT SET 8/18/2025
CONSTRUCTION DOCUMENTS 8/29/2025
1 PC CORRECTIONS 12/5/2025
1 CONTRACTOR TO FIELD
VERIFY ACTUAL
CONSTRUCTION.
NOTES ARE BASED UPON AS-
BUILT DRAWINGS AND LIMITED
FIELD TESTING, THE TYPICAL
(E) ROOF ASSEMBLY
INCLUDES - BUT IS NOT
LIMITED TO - THE FOLLOWING:
2 PLY PVC KEE MEMBRANE
ROOF O/ COVERBOARD AND
PLYWOOD DECK. VERIFY
LIMITS OF DEMOLITION
BEFORE PROCEEDING.
DEMOLITION NOTES
DEMOLITION LEGEND
AREA NOT IN
SCOPE
ITEM TO BE
REMOVED
(E) SLOPE(E) SLOPE
(E) SLOPE
(E) SLOPE
(E) SLOPE
(E) SLOPE
(E)
SLOPE
(E) SLOPE
2.01 2.01 2.01 2.01 2.01 2.012.02
TYP
2.02 TYP
2.02 TYP
2.01 2.03
2.05 TYP
2.05 TYP
2.07 TYP
2.02 TYP
2.06 TYP
2.01 2.01
2.07 TYP
2.03 2.01
2.09 TYP
2.01 2.01 2.01 2.01 2.01
2.01 2.02
TYP
2.02 TYP
2.02 TYP
2.05 TYP
2.02 TYP
2.07 TYP
2.01 2.03
2.05 TYP
2.07 TYP
2.01 2.03
2.01 2.03
2.01 2.03
2.09 TYP
2.09 TYP
2.07 TYP
2.07 TYP
2.01 2.01
2.09 TYP
A101
2 2.03
2.03 2.03
2.03 2.03
2.03 A101
3 ROOF 8A
ROOF 8B
ROOF 4A
ROOF 4B
ROOF 5
ROOF 3
ROOF 1
ROOF 7
ROOF 6A
ROOF 2ROOF 6B
COURTYARD
(E)
SLOPE
2.02 2.08
2.10 TYP
2.02 2.04
TYP
2.08 2.10
TYP
2.07 TYP
2.04 TYP ROOF 4B
(E) SLOPE 2.01
2.02 2.08 2.07
TYP
2.01 2.02
2.08 ROOF 8B
LICENSED ARCHITECT
No. C 29,669
ANDREW M BUTT
.
REN. 6-30-27STATE OF CALIFORNIA
117 PARK PLACE
POINT RICHMOND
CALIFORNIA 94801
(510) 236-7435
www.intres.com
Client Organization
Project
Approvals
Sheet Number
Sheet Title
No. Description Date
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
MASTICK SENIOR
CENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,
CA 94501
DEMOLITION ROOF
PLAN
A101
12/5/2025
2020-027-01
KEYNOTES
2.01 REMOVE (E) ROOF DRAIN
& CAP RWL
2.02 LOCATION OF (E)
OVERFLOW DRAIN
2.03 CORE INTO (E) WALL FOR
(N) SCUPPER & (N) OFS
2.04 (E) ROOF DRAIN TO
REMAIN
2.05 LINE OF WALL BELOW
2.06 AREA NOT IN SCOPE
2.07 (E) KEE MEMBRANE ROOF
TO REMAIN
2.08 (E) DOWNSPOUT TO
REMAIN, PROTECT IN
PLACE
2.09 AREA OF ROOF BELOW
2.10 LINE OF ROOF ABOVE
TRUE
NORTHREFERENCE
NORTH
3/32" = 1'-0"1 DEMOLITION ROOF PLAN
3/32" = 1'-0"2 PARTIAL LOWER DEMOLITION ROOF PLAN EAST
3/32" = 1'-0"3 PARTIAL LOWER DEMOLITION ROOF PLAN WEST
DESIGN DEVELOPMENT SET 8/18/2025
CONSTRUCTION DOCUMENTS 8/29/2025
1 PC CORRECTIONS 12/5/2025
1. 2.
CONTRACTOR TO VERIFY
EXISTING WALLS AND
CEILINGS ARE DRY, SOUND,
AND FREE OF MOISTURE
DAMAGE PRIOR TO NEW
CEILING INSTALLATION.
PATCH AND REPAIR CEILING
SUBSTRATES AS REQUIRED
TO PROVIDE A SUITABLE
SURFACE FOR NEW CEILING
SYSTEMS. NOTIFY ARCHITECT
OF CONCEALED DAMAGE
BEFORE PROCEEDING.
WALL & CEILING FINISH
REPLACEMENT MAY BE
REQUIRED IN HATCHED AREA.
REFLECTED CEILING
PLAN NOTES
RCP LEGEND
APPROXIMATE
AREA OF
AFFECTED
CEILING
APPROXIMATE
AREA OF
AFFECTED
WALL
A201
4 A201 1
A201
2 A2013
2.11 2.06
2.11 2.11
2.112.11
2.112.11
2.112.11
2.11 2.11
2.12 LICENSED ARCHITECT
No. C 29,669
ANDREW M BUTT
.
REN. 6-30-27STATE OF CALIFORNIA
117 PARK PLACE
POINT RICHMOND
CALIFORNIA 94801
(510) 236-7435
www.intres.com
Client Organization
Project
Approvals
Sheet Number
Sheet Title
No. Description Date
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
MASTICK SENIOR
CENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,
CA 94501
FIRST FLOOR
DEMOLITION
REFLECTED CEILING
PLAN
A102
12/5/2025
2020-027-01
KEYNOTES
2.06 AREA NOT IN SCOPE
2.11 REMOVE LOOSE AND
STAINED ACOUSTICAL
TILES FROM CEILING -
QUANTITY NEEDS TO BE
CONFIRMED WITH CLIENT
OR SURVEYED
2.12 REMOVE (E) ACCOUSTICAL
TILE AND (E) GYP.
PLASTER AS REQUIRED
TO REPAIR CEILING
3/32" = 1'-0"1 FIRST FLOOR DEMOLITION RCP
TRUE
NORTHREFERENCE
NORTH
DESIGN DEVELOPMENT SET 8/18/2025
CONSTRUCTION DOCUMENTS 8/29/2025
1 PC CORRECTIONS 12/5/2025
1. 2.
3. DECAY NOTE: AFTER
REMOVING THE (E) ROOF
MEMBRANE, INSPECT
PLYWOOD SUBSTRATE AND
OTHER WOOD FOR DECAY.
REMOVE ALL DECAYED
ELEMENTS AND REPLACE IN
KIND BEFORE PROCEEDING.
WATER TEST DRAINS AFTER
WORK IS COMPLETE
ROOF SCUPPERS &
OVERFLOWS: VERIFY IN FIELD
LOCATION OF WOOD FRAMING
IN WALL FOR SCUPPERS
BEFORE PROCEEDING.
ROOF PLAN NOTES
ROOF PLAN LEGEND
AREA NOT IN
SCOPE
A201 1
A201
2 A201
4 A2013
(E) SLOPE
(E)
SLOPE
22.01 22.01
TYP
2.02 TYP
22.02 22.01
TYP
2.05 2.07
2.06 TYP
22.05 2.07
22.01 TYP
2.02 2.02 2.0222.012.02
TYP
2.07 TYP
22.03 2.05
2.07 22.02
7.01 7.01
7.01 22.02
22.01 22.01
22.01 22.02
7.01 22.01 2.02 22.01 22.01
22.05 22.04
22.01 22.01 22.01 22.01
7.01 22.01
22.02 7.01
22.02 22.01
7.01 A103
2 8
A501
22.03 22.03
22.03 22.04
22.02 22.03
22.01 22.04
10 A501
A101
3 (E) SLOPE(E) SLOPE
(E) SLOPE
(E) SLOPE
(E) SLOPE
(E) SLOPE
(E) SLOPE(E) SLOPE
(E) SLOPE
(E) SLOPE
(E) SLOPE
(E) SLOPE
COURTYARD
22.01 2.08
2.10 TYP
22.01 22.02
TYP
2.08 2.10
TYP
2.07 TYP 7.01
22.01 22.02
TYP
TYP
(E)
SLOPE
(E) SLOPE 2.01
2.02 2.08 2.07
TYP
2.01 2.02
2.08 LICENSED ARCHITECT
No. C 29,669
ANDREW M BUTT
.
REN. 6-30-27STATE OF CALIFORNIA
117 PARK PLACE
POINT RICHMOND
CALIFORNIA 94801
(510) 236-7435
www.intres.com
Client Organization
Project
Approvals
Sheet Number
Sheet Title
No. Description Date
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
MASTICK SENIOR
CENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,
CA 94501
ROOF PLAN
A103
12/5/2025
2020-027-01
TRUE
NORTHREFERENCE
NORTH
KEYNOTES
2.01 REMOVE (E) ROOF DRAIN
& CAP RWL
2.02 LOCATION OF (E)
OVERFLOW DRAIN
2.05 LINE OF WALL BELOW
2.06 AREA NOT IN SCOPE
2.07 (E) KEE MEMBRANE ROOF
TO REMAIN
2.08 (E) DOWNSPOUT TO
REMAIN, PROTECT IN
PLACE
2.10 LINE OF ROOF ABOVE
7.01 KEE ROOFING MEMBRANE
PATCH
22.01 (N) ROOF DRAIN PIPING -
TYPICAL - SEE PLUMBING
DRAWINGS FOR SIZE
22.02 (N) CONDUCTOR HEAD, &
RWL
22.03 (N) OVERFLOW SCUPPER
22.04 (N) GUTTER
22.05 (N) DOWNSPOUT
3/32" = 1'-0"1 ROOF PLAN
3/32" = 1'-0"2 PARTIAL LOWER ROOF PLAN EAST
3/32" = 1'-0"3 PARTIAL LOWER ROOF PLAN WEST
DESIGN DEVELOPMENT SET 8/18/2025
CONSTRUCTION DOCUMENTS 8/29/2025
1 PC CORRECTIONS 12/5/2025
1. 2.
CONTRACTOR TO VERIFY
EXISTING WALLS AND
CEILINGS ARE DRY, SOUND,
AND FREE OF MOISTURE
DAMAGE PRIOR TO NEW
CEILING INSTALLATION.
PATCH AND REPAIR CEILING
SUBSTRATES AS REQUIRED
TO PROVIDE A SUITABLE
SURFACE FOR NEW CEILING
SYSTEMS. NOTIFY ARCHITECT
OF CONCEALED DAMAGE
BEFORE PROCEEDING.
WALL & CEILING FINISH
REPLACEMENT MAY BE
REQUIRED IN HATCHED AREA.
REFLECTED CEILING
PLAN NOTES
RCP LEGEND
APPROXIMATE
AREA OF
AFFECTED
CEILING
APPROXIMATE
AREA OF
AFFECTED
WALL
2.06 22.01
9.01 9.01 9.01 9.01 9.02
9.019.019.019.019.01
LICENSED ARCHITECT
No. C 29,669
ANDREW M BUTT
.
REN. 6-30-27STATE OF CALIFORNIA
117 PARK PLACE
POINT RICHMOND
CALIFORNIA 94801
(510) 236-7435
www.intres.com
Client Organization
Project
Approvals
Sheet Number
Sheet Title
No. Description Date
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
MASTICK SENIOR
CENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,
CA 94501
FIRST FLOOR
REFLECTED CEILING
PLAN
A104
12/5/2025
2020-027-01
KEYNOTES
2.06 AREA NOT IN SCOPE
9.01 REPLACE MISSING OR
STAINED (E) ACOUSTICAL
TILES AS REQUIRED TO
MATCH ADJOINING (E)
TILES TO REMAIN -
TYPICAL - QUANTITY TO BE
DETERMINED
9.02 REPAIR (R) ACOUSTICAL
TILE OVER (E) GYP
PLASTER CEILING AS
REQUIRED TO MATCH
ADJOINING AREAS.
APPROXIMATLEY 10 SF
22.01 (N) ROOF DRAIN PIPING -
TYPICAL - SEE PLUMBING
DRAWINGS FOR SIZE
TRUE
NORTHREFERENCE
NORTH
3/32" = 1'-0"1 FIRST FLOOR RCP
DESIGN DEVELOPMENT SET 8/18/2025
CONSTRUCTION DOCUMENTS 8/29/2025
1 PC CORRECTIONS 12/5/2025
22.0322.03 22.02 22.02
22.02 22.05 22.05 22.02
TYP
22.02 22.03
22.02 22.03
22.03 22.02
22.02 2.0222.02
LICENSED ARCHITECT
No. C 29,669
ANDREW M BUTT
.
REN. 6-30-27STATE OF CALIFORNIA
117 PARK PLACE
POINT RICHMOND
CALIFORNIA 94801
(510) 236-7435
www.intres.com
Client Organization
Project
Approvals
Sheet Number
Sheet Title
No. Description Date
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
MASTICK SENIOR
CENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,
CA 94501
EXTERIOR ELEVATIONS
A201
12/5/2025
2020-027-01
3/32" = 1'-0"1 SOUTH EXTERIOR ELEVATION
3/32" = 1'-0"2 WEST EXTERIOR ELEVATION
3/32" = 1'-0"3 NORTH EXTERIOR ELEVATION
3/32" = 1'-0"4 EAST EXTERIOR ELEVATION
KEYNOTES
2.02 LOCATION OF (E)
OVERFLOW DRAIN
22.02 (N) CONDUCTOR HEAD, &
RWL
22.03 (N) OVERFLOW SCUPPER
22.05 (N) DOWNSPOUT
DESIGN DEVELOPMENT SET 8/18/2025
CONSTRUCTION DOCUMENTS 8/29/2025
1 PC CORRECTIONS 12/5/2025
(E) CUT (E) ALUM.
GRAVEL STOP
(E) FASCIA BOARD
ALUM. SHEET METAL
FLANGE 4" EA. DIRECTION
(N) GUTTER
RIP (E) CANT STRIP AT
SCUPPER
PATCH KEE MEMBRANE
ROOFING & MEMBRANE
FLASHING
3x OUTRIGGER
(N) ALUM SCUPPER
12"
MECHANICALLY
FASTEN RAIN
WATER LEADER
TO CONDUCTOR
HEAD
(N) CONDUCTOR HEAD
LAP 1" O/ SCUPPER
(E) CEM. PLAS. FINISH
(E) W.R.B.
(N) SCUPPER SEE
/10 A501
SOLDER
(N) BOTTOM OUTLET ROOF
DRAIN AT MAIN ROOF, SEE
PLUMBING DRAWINGS
(N) RAIN WATER LEADER ALIGN
WITH FACE OF WALL
(N) SIDE OUTLET ROOF DRAIN
AT WALKWAY ROOF. SEE
PLUMBING DRAWINGS
(N) HEADER
DISCHARGE
STORMWATER INTO (N)
CATCH BASINS IN
PLANTING AREA, SEE
CIVIL DRAWINGS
A501
18 A502
5 TYPICAL ELEVATION OF BOTTOM OF
PIPE AT EXTERIOR SIDE OF
WALKWAY = +7'3-1/2" AFF.
NOTE: FEILD VERIFY +6'8" ADD
MINIMUM AT ALL LOCATIONS
6'-8" MIN
TYPICAL PIPE FITTING
PER 1/C01
A502
13 A501
20 7
A502
6 A502
SEE
FOR PIPE ATTACHMENT
/17 A501
(N) FLASHING PLY LAP MIN 3"
(N) 2 PLY HYBRID KEE
MEMBRANE
(E) W.R.B. TO REMAIN
(E) PLYWOOD SHEATHING
(N) CONDUCTOR HEAD SEE
4" 3"
(E) 2x FRAMING - VIF
(N) COVERBOARD @ INFILL
FRAMING AREA
(N) PLYWOOD SHEATHING
INFILL WHERE (E) ROOF
DRAIN WAS REMOVED
(E) PLYWOOD
SHEATHING - VIF
(N) 2x BLOCKING
(N) SCUPPER. FLANGE TO
EXTEND 4" EA. SIDE
/12 A501
(N) FLASHING PLY LAP MIN 3"
LAP (E) WRB AT (N) SAF IN
WEATHERBOARD FASHION
(E) CEM. PLASTER WALL TO
REMAIN
(N) SAF
REMOVE (E) CEM. PLASTER ADJOINING
NEW SCUPPER OPENING AS REQUIRED
TO INSTALL NEW SAF AND J-MOLD
(N) SHEET METAL COLLAR SET
IN SEALANT
HANG CONDUCTOR HEAD
FROM SCUPPER AT WALL
(N) CEM. PLASTER AT
SCUPPER OPENING
(N) SAF
(E) CEMENT PLASTER
(E) WRB
(N) STUCCO J-MOLD - TYP. AT
OPENING
1.4" WIDE JOINT FOR SEALANT
AND BACKER ROD - TYP. ALL 4
SIDES OF OPENING
EXTEND SCUPPER BEYOND
OPENING AS SHOWN
WORK POINT OF FACE OF
FINISH @ CEM. PLAS.
WALL BELOW
(N) 1/2" PLYWOOD
SHEATHING AT SUMP
(N) ROOF DRAIN, SEE
PLUMBING DRAWINGS
6"
± 1' - 0"
APPROXIMATE LOCATION
WHERE MAIN ROOF AND
EAVE ROOF CONVERGE
(N) MODIFIED BITUMEN BASE PLY
(N) STRIPPING PLY 6" MIN
(N) SOFT METAL FLASHING 30"
MIN. SET IN MASTIC WRAPPED
DOWN 2" OF DRAIN BOWL
(E) 2x16 WD. FRAMING
(E) COVER BOARD
(E) PLYWOOD SHEATHING
(N) KEE MEMBRANE SET IN
ADHESIVE
(N) 2x BLOCKING
(N) STRUT CHANNEL W/ PIPE
STRAP, SEE 1/P001
ATTACHMENT, FASTENER
SET IN SEALANT
(E) PLYWOOD SHEATHING
(E) CEM. PLAS. WALL FINISH
(E) GRAVEL STOP
(E) TAPERED EDGE STRIP
(E) FASCIA BOARD
(N) UNDER DECK CLAMP
(N) DRAIN RECEIVER
(N) RAINWATER LEADER,
ALIGN W/ WALL
(E) 3x6 FRAMING TO
REMAIN
(N) PLYWOOD SHEATHING FILL
WHERE (E) DRAIN AND GSM
SUMP WERE REMOVED
(N) 2x4 BLOCKING
(N) GYPSUM PLASTER O/
LATHE
ADHERE (N) ACOUSTICAL
TILES TO GYPSUM PLASTER
(N) J-MOLD; TO MATCH (E)
PROFILE
1"
OVERLAP (E) METAL LATHE
O/ (N) LATHE 1" MIN
(E) ACOUSTICAL CEILING O/
GYPSUM PLASTER W/
LATHE
1/8" THK WELDED STEEL
RWL SUPPORT BRACKET,
WELD TO (E) STL. PIPE
COLUMN
(N) RAINWATER LEADER.
S.P.D.
STEEL PIPE CLAMP W/
3/8" THRU BOLT
(E) STL. PIPE
COLUMN TO REMAIN
3/16
2"
2"
LICENSED ARCHITECT
No. C 29,669
ANDREW M BUTT
.
REN. 6-30-27STATE OF CALIFORNIA
117 PARK PLACE
POINT RICHMOND
CALIFORNIA 94801
(510) 236-7435
www.intres.com
Client Organization
Project
Approvals
Sheet Number
Sheet Title
No. Description Date
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
MASTICK SENIOR
CENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,
CA 94501
DETAILS
A501
12/5/2025
2020-027-01
3" = 1'-0"19 OVERFLOW SCUPPER @ INTERIOR CANOPY
3" = 1'-0"12 CONDUCTOR HEAD
1/2" = 1'-0"8 WALL SECTION @ EAST WING
6" = 1'-0"10 THROUGH WALL SCUPPER
3" = 1'-0"18 ROOF DRAIN @ EAVE
3" = 1'-0"20 ACOUSTICAL CEILING TILE PATCH
3" = 1'-0"17 VERTICAL RWL CONNECTION @ STL. PIPE
DESIGN DEVELOPMENT SET 8/18/2025
CONSTRUCTION DOCUMENTS 8/29/2025
1 PC CORRECTIONS 12/5/2025
11 1
(N) DRAIN WITH SIDE OUTLET -
SEE
FOR BALANCE OF DATA
(E) 1x T&G WOOD ROOF DECKING (N) DRAIN RECEIVER
(N) RWL - 1/8" PER FOOT SLOPE
TYPICAL, KEEP AS HIGH AS
POSSIBLE. SUPPORT AS INDICATED
ON PLUMBING DRAWINGS
/18 A501
PIPE STRAP SEE
FOR ATTACHMENT
/6 A502
REPAIR (E) KEE MEMBRANE
SYSTEM AS REQUIRED TO
ACCOMMODATE INSTALLATION OF
NEW ROOF DRAIN
(E) 3x6 FRAMING
PLACE (N) RWL 6" O.C.
OF POST
(E) POST
(N) PIPE HEADER,
SEE FOR
DIAGRAM
(E) 2x8 HEADER
(E) KEE MEMBRANE SYSTEM
(E) GRAVEL STOP
(E) TAPERED EDGE STRIP
(E) FASCIA BOARD
/7 A502
PIPE HANGER, S.P.D.
NOTE: SEE PLUMBING DRAWINGS FOR PIPE SIZE
RAINWATER
LEADER, S.P.D.
1 5/8" STRUT
CHANNEL, S.P.D.
PIPE STRAP, S.P.D.ROOF DRAIN
(E) 1x T&G DECKING 1 5/8" STRUT
CHANNEL ANGLE
(E) 3x6 30" O.C.
THROUGH BOLT
LICENSED ARCHITECT
No. C 29,669
ANDREW M BUTT
.
REN. 6-30-27STATE OF CALIFORNIA
117 PARK PLACE
POINT RICHMOND
CALIFORNIA 94801
(510) 236-7435
www.intres.com
Client Organization
Project
Approvals
Sheet Number
Sheet Title
No. Description Date
Date Revised
Seals
Consultant
ROOF DRAIN IMPROVEMENTS
MASTICK SENIOR
CENTER
CITY OF ALAMEDA
1155 SANTA CLARA AVE, ALAMEDA,
CA 94501
DETAILS
A502
12/5/2025
2020-027-01
3" = 1'-0"5 ROOF DRAIN AND RWL AT WALKWAY - TYP.
3" = 1'-0"13 ROOF DRAIN AND RWL AT WALKWAY HEADER - TYP.
NTS7 WALKWAY RWL DIAGRAM
NTS6 PIPE ATTACHMENT DETAIL
DESIGN DEVELOPMENT SET 8/18/2025
CONSTRUCTION DOCUMENTS 8/29/2025
1 PC CORRECTIONS 12/5/2025
1 1
1 1
P001
P:\2020\2020-027-01 City of Alameda Mastick Senior Center Roof Drain Alterations\D. PROJECT DEVELOPMENT\D.5 Drawings\DWG\CityofAlamedaMastickSeniorCenterRoofDrains-InteractiveResourcesInc600dpi-2451286.png 117 PARK PLACEPOINT RICHMONDCALIFORNIA 94801(510) 236-7435www.intres.com Client Organization
Project
Approvals
Sheet Number
Sheet Title
No.DescriptionDate
Seals
Consultant
ROOF DRAIN IMPROVEMENTSMASTICK SENIORCENTERCITY OF ALAMEDA 1155 SANTA CLARA AVE, ALAMEDA,CA 94501
2020-027-011DESIGN DEVELOPMENT SET8/18/20252CONSTRUCTION DOCUMENTS8/29/20253CONSTRUCTION DOCUMENTS - REV 19/10/2025
PLUMBINGCOVERSHEET
ABBRDESCRIPTIONSYMBOL
CVUNGVCHECK VALVEUNIONGATE VALVEPRVGCBVBLNVBFVPTRVPGRPBPCSPRESSURE REDUCING VALVEGAS COCKBALL VALVECIRCUIT SETTERBUTTERFLY VALVETHERMOMETERREDUCED PRESSURE BACKFLOW PREVENTERPRESSURE GAUGE WITH GAUGE COCKPRESSURE AND TEMPERATURE RELIEF VALVEBALANCING VALVE
PETE'S PLUG
HBHOSE BIBB
SANITARY SEWER (ABOVE FLOOR OR OVERHEAD)SANITARY VENTSSVINDIRECT WASTEIW
SANITARY SEWER (UNDERGROUND/UNDERSLAB)
COLD WATER SUPPLYHWHWRCWTWTEMPERED WATERHOT WATER SUPPLY HOT WATER RECIRCULATING GNATURAL GAS - LOW PRESSUREPIPE BREAKFCO, COTGFLOOR CLEANOUT OR CLEANOUT TO GRADEPIPE RISER UP (ELBOW)PIPE RISER DOWN (ELBOW)
CONDENSATE DRAINCD
DRAWING NUMBERDETAIL NUMBERDRAWING NUMBERSECTION NUMBERUNIT NUMBEREQUIPMENT TYPE
1.ALL WORK SHALL COMPLY WITH THE REQUIREMENTS OF TITLE 24 OF THE CALIFORNIA CODE OF REGULATIONS (C.C.R.), 2022 CPC.2.ALL SYSTEMS SHALL BE INSTALLED IN STRICT ACCORDANCE WITH ALL APPLICABLE CITY, COUNTY, FEDERAL AND STATE CODES ANDORDINANCES, AND SHALL MEET ALL REQUIREMENTS OF ALL AUTHORITIES HAVING JURISDICTION.3.DRAWINGS SHOWING THE LOCATIONS OF PLUMBING PIPING, ETC. ARE DIAGRAMMATIC AND JOB CONDITIONS WILL NOT ALWAYS PERMIT THEIRINSTALLATION ON THE LOCATIONS SHOWN. THE PLUMBING DRAWINGS SHOW THE GENERAL ARRANGEMENTS OF PIPING, ETC. AND SHALL BEFOLLOWED AS CLOSELY AS ACTUAL BUILDING CONSTRUCTION AND THE WORK OF OTHER TRADES WILL PERMIT. THE ARCHITECTURAL DRAWINGSSHALL BE PART OF THE WORK INSOFAR AS THESE DRAWINGS FURNISH THE CONTRACTOR WITH INFORMATION RELATING TO DESIGN ANDCONSTRUCTION OF THE BUILDING.4.FURNISH AND INSTALL ANY INCIDENTAL WORK NOT SHOWN OR SPECIFIED WHICH ARE NECESSARY TO PROVIDE A COMPLETE AND WORKABLESYSTEM.5.PRIOR TO SUBMISSION OF BID, REVIEW FULL SET OF NEW CONSTRUCTION DRAWINGS (INCLUDING ALL OTHER TRADES). INCLUDE ANYADDITIONAL PIPE OFF-SETS THAT ARE NOT CURRENTLY SHOWN ON DRAWINGS BUT MAY BE REQUIRED TO CLEAR STRUCTURE, FINISHES ORWORK OF OTHER TRADES. NO EXTRA PAYMENT WILL BE ALLOWED FOR WORK RESULTING FROM LACK OF PROPER INITIAL APPRAISAL OF ENTIRESCOPE OF WORK. SUBMIT REQUESTS FOR INFORMATION (RFIS) AS REQUIRED TO ANSWER ANY QUESTIONS THAT MAY ARISE DURING BIDDINGPHASE. CLEARLY INDICATE SCOPE INCLUSION AND EXCLUSION IN BID.6.FOR EXACT LOCATIONS OF ROOF DRAINS AND OVERFLOW ROOF DRAINS, SEE ARCHITECTURAL DRAWINGS AND DETAILS.7.COORDINATE WITH CIVIL DRAWINGS FOR STORM DRAIN OUTLETS.8.ALL STORM DRAIN PIPING SHALL BE SLOPED AT 1/8" PER FOOT UNLESS OTHERWISE NOTED ON THE DRAWINGS.9.WHERE MAIN PIPE SIZE IS NOT INDICATED BETWEEN BRANCH CONNECTIONS ON THE DRAWING, THE PIPE SIZE SHALL BE OF THE PRECEDING PIPESIZE.10.KEEP ALL PLUMBING PIPING AS HIGH AS POSSIBLE TO THE STRUCTURE ABOVE AND OFFSET PIPING AS REQUIRED.11.CLOSELY COORDINATE WORK WITH ALL TRADES.12.FOR ALL CONFLICTS IN THE DRAWINGS AND/OR SPECIFICATIONS, THE MORE STRINGENT REQUIREMENT SHALL APPLY. ANY SUCH CONFLICTSHALL BE BROUGHT TO THE ATTENTION OF THE ARCHITECT OR ENGINEER FOR RESOLUTION PRIOR TO THE CONSTRUCTION OF SUCH ITEMS.13.CHANGES IN THE DIRECTION OF DRAINAGE FLOW SHALL BE PER CALIFORNIA PLUMBING CODE.14.ALL PIPING PENETRATION THROUGH RATED WALLS AND FLOORS SHALL BE SEALED WITH UL-LISTED AND CALIFORNIA FIRE MARSHAL LISTEDSEALANTS. SEE ARCHITECTURAL DRAWINGS FOR ALL LOCATIONS.15.PROVIDE DIELECTRIC INSULATING CONNECTIONS BETWEEN ALL DISSIMILAR METALS.
1.2022 BUILDING STANDARD ADMINISTRATIVE CODE, PART 1, TITLE 24 C.C.R.2.2022 CALIFORNIA BUILDING CODE (CBC), PART 2, TITLE 24 C.C.R.;3.2022 CALIFORNIA ELECTRICAL CODE (CEC), PART 3, TITLE 24 C.C.R.;4.2022 CALIFORNIA MECHANICAL CODE (CMC), PART 4, TITLE 24 C.C.R.;5.2022 CALIFORNIA PLUMBING CODE (CPC), PART 5, TITLE 24 C.C.R.;6.2022 CALIFORNIA ENERGY CODE, PART 6, TITLE 24 C.C.R.;7.2022 CALIFORNIA FIRE CODE (CFC), PART 9, TITLE 24, C.C.R.;9.2022 CALIFORNIA EXISTING BUILDING CODE, PART 10, TITLE 24 C.C.R;10.2022 CALIFORNIA "GREEN" BUILDING REQUIREMENTS, PART 11, TITLE 24 C.C.R (PENDING ADOPTION)11.2022 CALIFORNIA REFERENCED STANDARDS CODE, PART 12, TITLE 24, C.C.R.12.TITLE 19, CCR, PUBLIC SAFETY, STATE FIRE MARSHAL REGULATIONSNFPA 13, AUTOMATIC SPRINKLER SYSTEM, CURRENT EDITIONNFPA 24, PRIVATE FIRE SERVICE MAINS, CURRENT EDITIONREFERENCE CODE SECTION FOR NFPA STANDARDS - CBC(SFM) 3504.1TITLE 24 C.C.R. ACCESSIBILITY STANDARDSAMERICAN WITH DISABILITIES ACT - 2010 ADA STANDARDS FOR ACCESSIBLE DESIGN
SCOPE OF WORKAPPLICABLE CODES
GENERAL PLUMBING NOTES
NOTE: NOT ALL SYMBOLS APPLYSYMBOLS
ABBREVIATIONSNOTE: NOT ALL ABBREVIATIONS APPLY
PLUMBING FIXTURE IDENTIFICATIONT-1
ABCABOVE CEILING/OVERHEADACAIR CONDITIONINGAFFABOVE FINISHED FLOORAGABOVE GRADEAMPAMPERESARCHARCHITECTURALBFFBELOW FINISHED FLOORBGBELOW GRADEBHPBRAKE HORSEPOWERBLDGBUILDINGBOFBOTTOM OF FOOTINGBTUBRITISH THERMAL UNITBTUHBRITISH THERMAL UNIT PER HOURCFHCUBIC FEET PER HOURCLGCEILINGCONCCONCRETECOTGCLEAN OUT TO GRADE(D)DEMOLISHDIADIAMETER(E)EXISTINGEAEACHEFFEFFICIENCYELECELECTRICALEWTENTERING WATER TEMPERATUREFDFLOOR DRAINFTFOOT OR FEETFPFIRE PROTECTIONFUFIXTURE UNITGAGAUGEGALGALLONGALVGALVANIZEDGPHGALLONS PER HOURGPMGALLONS PER MINUTEH&CWHOT AND COLD WATERHDHEADHPHORSEPOWERHVACHEATING, VENT & AIR CONDITIONINGIDINSIDE DIAMETERIEINVERT ELEVATIONININCHKWKILOWATTS
LABLABORATORYLBSPOUNDSLVLLEVELLWTLEAVING WATER TEMPERATUREMAXMAXIMUMMBHTHOUSAND BTU PER HOURMINMINIMUMMISCMISCELLANEOUSN/ANOT APPLICABLENICNOT IN CONTRACTNONUMBERNTSNOT TO SCALEOCON CENTERODOUTSIDE DIAMETEROHOVERHEADPDPRESSURE DROPPOCPOINT OF CONNECTIONPODPOINT OF DEMOLITIONPSIPOUNDS PER SQUARE INCHPSIGPOUNDS PER SQUARE INCH GAUGERIOROUGH-IN ONLYRPMREVOLUTIONS PER MINUTESADSEE ARCHITECTURAL DRAWINGSSCDSEE CIVIL DRAWINGSSEDSEE ELECTRICAL DRAWINGSSMDSEE MECHANCAL DRAWINGSSLSLOPESPSTATIC PRESSURESPECSSPECIFICATIONSSTDSTANDARDSTRUCTSTRUCTURALTDHTOTAL DYNAMIC HEADTEMPTEMPERATURETYPTYPICALUFUNDERFLOORUGUNDERGROUNDUONUNLESS OTHERWISE NOTEDVVENT OR VOLTSVTRVENT THROUGH ROOFWWATTSWTWEIGHT
WCO, COWALL CLEANOUT OR CLEANOUTMAIN WATER SHUT FOR BUILDING
PLUMBING SHEET NOTE
P001PLUMBING COVER SHEETP101PLUMBING ROOF PLANSHEET INDEX 1P-11P-1WH1
1 1.DISCONNECT (E) ROOF DRAINS FROM ASSOCIATED PIPE AS SHOWN. CAP AND SEAL PIPES INSIDE WALL AND ABANDON IN PLACE.2.PROVIDE NEW DRAIN PIPES AS SHOWN.MGNATURAL GAS - MEDIUM PRESSURE
STORM DRAIN TO FLOW-THRU-PLANTERSTORM DRAINOVERFLOW DRAIN (FOR ROOF DRAINS)SDSD-FTPOD
XXXDEMOLISHED ITEM
SCALE:1PIPING SUPPORT DETAILNONESTEELSTRAPRODTHREADEDTURNS IN4 TIGHT45°1-1/2"GAUGE WIRE (TYP)TO STRUCTURE SEISMIC 10 PIPES1-5/8" x 1-5/8" UNISTRUT,LENGTH AS REQUIRED.PROVIDE EVERY 6 FEET MAX.UNITSTRUT PIPE STRAP (TYP)1/4" LAG SCREW (TYP)(E) STUD WALL SCALE:2UPPER ATTACHMENT DETAILNONE
1-1/2"x1-1/2"x1/4"ANGLE IRON 2"LONG WITH 1/4"LAG BOLT (TYP) 3/4"EQEQGAUGE WIRE SEISMIC 10 3/4"EQEQ1" GALV. STRAP1-1/2"x1-1/2"x1/4"ANGLE IRON 2"LONG WITH 1/4"LAG BOLT (TYP)THREADED 3"X3"X1/4"ANGLERODAND NUTLOCKWASHER 3/8"Ø BOLT,NUTS ANDLOCK WASHERS (E)WALKWAY ROOF1/4" LAG SCREW (TYP)UNITSTRUT PIPE STRAP (TYP)1-5/8" x 1-5/8" UNISTRUT,LENGTH AS REQUIRED.PROVIDE EVERY 6 FEET MAX.PIPE
1063 SF483 SF
1070 SF476 SF
1094 SF487 SF
1091 SF486 SF
929 SF414 SF
679 SF318 SF756 SF405 SF
1077 SF420 SF
1203 SF470 SF
1214 SF474 SF
1183 SF462 SF
1109 SF473 SF2
2 2
2 2
2 2
2 2
27 7 8
8 4"RD5
6"RD6
6"RD65"RD5
123"RD65"RD6"RD UG, SCD.
6"RD62P101(TYP)
2P101
2P101
2P101
2P101
2P101 2P101
2P101
2P101
2P101
2P101
10 10 10
1010652 SF
1632 SF 1096 SF
1706 SF626 SF626 SF
2279 SF
11121112 101314
1012
3"X3" RWL,DAYLIGHT ABOVEGRADE.
1011123"X3" RWL, DAYLIGHTABOVE GRADE.11
1112 11121010
141312111112
X34 3"RD4"RD195 3" RD-13" RD-2
P101
P:\2020\2020-027-01 City of Alameda Mastick Senior Center Roof Drain Alterations\D. PROJECT DEVELOPMENT\D.5 Drawings\DWG\CityofAlamedaMastickSeniorCenterRoofDrains-InteractiveResourcesInc600dpi-2451286.png 117 PARK PLACEPOINT RICHMONDCALIFORNIA 94801(510) 236-7435www.intres.com Client Organization
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Sheet Number
Sheet Title
No.DescriptionDate
Seals
Consultant
ROOF DRAIN IMPROVEMENTSMASTICK SENIORCENTERCITY OF ALAMEDA 1155 SANTA CLARA AVE, ALAMEDA,CA 94501
2020-027-011DESIGN DEVELOPMENT SET8/18/20252CONSTRUCTION DOCUMENTS8/29/20253CONSTRUCTION DOCUMENTS - REV 19/10/2025 SCALE:1PLUMBING ROOF PLAN3/32" = 1'-0"
PLUMBINGROOF PLAN
A.HORIZONTAL ROOF DRAINAGE PIPE WILL BE RUN AT 1/8" PER FOOT SLOPE UNLESS NOTED OTHERWISE.B.PAINT ALL EXPOSED DRAIN PIPES TO MATCH SURFACE MOUNTED ON OR NEXT TO.GENERAL NOTES
1.(D) ROOF DRAIN IN RECESSED AREA ON UPPER ROOF. SEAL DRAIN PIPE WATERTIGHT AND ABANDON IN PLACE INSIDE WALL.COORDINATE WITH ARCHITECTURAL FOR FILLING IN RECESSED ROOF AREA. (E)DRAIN PIPE INLET IN ROOF WITH ASSOCIATEDDOWNSPOUT DAYLIGHTING ABOVE WALKWAY ROOF.2.(E)DRAIN PIPE INLET IN ROOF WITH ASSOCIATED DOWNSPOUT DAYLIGHTING ABOVE WALKWAY ROOF.3.DISCONNECT (E) ROOF DRAIN PIPE FROM ROOF DRAIN ON WALKWAY ROOF. SEAL PIPE (WATERTIGHT) AND ABANDON INPLACE INSIDE WALL. CONNECT NEW ROOF DRAIN PIPE TO (E)ROOF DRAIN ON WALKWAY ROOF.4.(E) OVERFLOW DRAIN DAYLIGHTING THROUGH WALKWAY ROOF.5.ROOF DRAIN PIPE HUNG TIGHT TO BOTTOM OF WALKWAY ROOF. PROVIDE 1/8" PER FOOT SLOPE FOR PIPE IN DIRECTION OFFLOW.6.ROOF DRAIN PIPE DROP NEXT TO WALKWAY ROOF SUPPORT POST.7.DAYLIGHT DRAIN OVER PLANTER BOX THROUGH "T" FITTING AT BOTTOM, SCD.8.COORDINATE WITH CIVIL.9.PROVIDE (N) ROOF DRAIN RD-1 AND ROOF DRAIN PIPE. LOCATE RD-1 SO VERTICAL PIPE FROM DRAIN DROPS DOWN ONEXTERIOR SURFACE OF WALL.10.(D) ROOF DRAIN IN RECESSED AREA ON UPPER ROOF. SEAL DRAIN PIPE WATERTIGHT AND ABANDON IN PLACE INSIDE WALL.COORDINATE WITH ARCHITECTURAL FOR FILLING IN RECESSED ROOF AREA.11.PROVIDE 4"x3" SCUPPERS FOR PRIMARY DRAIN CONNECTED TO 3"x3" RWL THAT DAYLIGHTS ABOVE GRADE12.PROVIDE 4"x3" SCUPPER FOR OVERFLOW (MIN 2" ABOVE ROOF SURFACE) THAT DAYLIGHTS THROUGH PARAPET WALL, SAD.13.PROVIDE 4"x4" SCUPPERS FOR PRIMARY DRAIN CONNECTED TO 4"x4" RWL THAT DAYLIGHTS ABOVE GRADE14.PROVIDE 4"x4" SCUPPER FOR OVERFLOW (MIN 2" ABOVE ROOF SURFACE) THAT DAYLIGHTS THROUGH PARAPET WALL, SAD SHEET KEYNOTES#
SCALE:2ENLARGED ROOF PLAN1/4" = 1'-0"