HomeMy WebLinkAboutItem 20 - Grading and Drainage Control Plans_2160084EXISTING BUILDING OF
MAPLEWOOD HEIGHTS
ELEMENTARY SCHOOL
SE 2ND PLACEJERICHO AVE SELYONS AVE SENE 1ST STREET
(2) PROPOSED DOUBLE
PORTABLE CLASSROOMS
AND RAMP (1,792 S.F. EACH.)
TBM #2
TBM #1
20' WATERLINE EASEMENT
RECORDING NO. 20070918002303
20.0'PPP-SS-TTTTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL
PORTABLES CUP
RENTON SCHOOL DISTRICTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL PORTABLE2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
T A C O M A SEATTLE SPOKANE TRI-CITIES
Checked for Compliance to City Standards
Know what's below.
before you dig.Call
R
CUP-SET
COVER SHEET
VICINITY MAP
NOT TO SCALE
N
N
GRAPHIC SCALE
0 60 120 FEET
1" = 60 FEET
30
SITE
TRACTS 14 AND 15, BLACK LOAM FIVE ACRE TRACTS,
ACCORDING TO THE PLAT THEREOF, RECORDED IN VOLUME 12
OF PLATS, PAGE 101, IN KING COUNTY, WASHINGTON.
LEGAL DESCRIPTION
SCALE: 1"=60'
IF WORKERS ENTER ANY TRENCH OR OTHER
EXCAVATION FOUR OR MORE FEET IN DEPTH
THAT DOES NOT MEET THE OPEN PIT
REQUIREMENTS OF WSDOT SECTION
2-09.3(3)B, IT SHALL BE SHORED AND
CRIBBED. THE CONTRACTOR ALONE SHALL BE
RESPONSIBLE FOR WORKER SAFETY AND
AHBL ASSUMES NO RESPONSIBILITY. ALL
TRENCH SAFETY SYSTEMS SHALL MEET THE
REQUIREMENTS OF THE WASHINGTON
INDUSTRIAL SAFETY AND HEALTH ACT,
CHAPTER 49.17 RCW.
TRENCH NOTE
AN AUTOCAD DRAWING FILE IS AVAILABLE TO ASSIST
WITH SITE LAYOUT. PLEASE NOTE THAT ELECTRONIC
FILES ARE PROVIDED FOR CONTRACTOR'S
CONVENIENCE AND SHALL NOT REPLACE NOR BE
USED TO SUBSTITUTE THE CONTRACT DOCUMENTS.
THE CONTRACTOR IS RESPONSIBLE FOR PROJECT
LAYOUT ACCORDING TO CONTRACT DOCUMENTS AND
COST FOR ELECTRONIC AUTOCAD FILES.
PHONE: (253) 383-2422
FAX: (253) 383-2572
CONTACT: WILLIAM FIERST, P.E.
AUTOCAD FILE
PRECONSTRUCTION NOTES
SITE MAP
FILL MATERIAL SHALL NOT CONTAIN PETROLEUM
PRODUCTS, OR SUBSTANCES WHICH ARE
HAZARDOUS, DANGEROUS, TOXIC, OR WHICH
OTHERWISE VIOLATE ANY STATE, FEDERAL, OR
LOCAL LAW, ORDINANCE, CODE, REGULATION,
RULE, ORDER, OR STANDARD.
FILL SPECIFICATION
1.PRE-CONSTRUCTION MEETING.
2.POST SIGN WITH NAME AND PHONE NUMBER OF ESC SUPERVISOR (MAY
BE CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION
SIGN).
3.FLAG OR FENCE CLEARING LIMITS.
4.INSTALL CATCH BASIN PROTECTION IF REQUIRED.
5.GRADE AND INSTALL CONSTRUCTION ENTRANCE(S).
6.INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.).
7.CONSTRUCT SEDIMENT PONDS AND TRAPS.
8.GRADE AND STABILIZE CONSTRUCTION ROADS.
9.CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE
SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING
FOR PROJECT DEVELOPMENT.
10.MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH
APPENDIX D OF THE SURFACE WATER DESIGN MANUAL AND
MANUFACTURER'S RECOMMENDATIONS.
11.RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES
SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT
CONTROL IS ALWAYS IN ACCORDANCE WITH THE CITY'S EROSION AND
SEDIMENT CONTROL STANDARDS.
12.COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN
DAYS DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON
WITH STRAW, WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING, OR
EQUIVALENT.
13.STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS.
14.SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30
DAYS.
15.UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE
STABILIZED AND BMPS REMOVED IF APPROPRIATE.
TBM #1
AHBL #110
NAIL AND WASHER
N:178534.9814
E:1315269.1685
ELEV:402.64
TBM #2
AHBL #112
NAIL AND WASHER
N:178539.9282
E:1315492.6984
ELEV:406.60
TEMPORARY BENCHMARK
OWNER
RENTON SCHOOL DISTRICT
7812 S 124TH ST
SEATTLE, WA 98178
PH: (425) 204-4403
CONTACT: RICK STRACKE
CIVIL ENGINEER
LAND USE PLANNER
AHBL, INC.
2215 NORTH 30TH STREET
SUITE 300
TACOMA, WA 98403
PH. (253) 383-2422
FAX (253) 383-2572
CIVIL CONTACT: BILL FIERST, P.E.
PLANNING CONTACT: BRAD MEDRUD, ALCP
AHBL PROJECT NO.: 2160084
SURVEYOR
AHBL, INC.
2215 NORTH 30TH STREET
SUITE 300
TACOMA, WA 98403
PH. (253) 383-2422
FAX (253) 383-2572
CONTACT: DAVID FOLLANSBEE, P.L.S.
ARCHITECT
GREENE-GASAWAY ARCHITECTS
P.O. BOX 4158
RENTON, WA. 98063
PH: (253) 941-4937
FAX: (253) 941-5122
CONTACT: CALVIN GASAWAY
WATER: KING COUNTY WATER DISTRICT 90
PHONE:1-425-255-9600
SANITARY SEWER:CITY OF RENTON
PHONE:1-425-430-7332
POWER:PUGET SOUND ENERGY
PHONE:1-888-321-7779
GAS:PUGET SOUND ENERGY
PHONE:1-888-321-7779
PHONE:CENTURY LINK
PHONE:1-800-244-1111
ONE CALL:1-800-424-5555
UTILITIES / SERVICES
SITE INFORMATION
130 JERICHO AVE SE
RENTON, WA 98059
PARCEL NUMBER
084710-0090
SITE DATA
TOTAL LOT AREA = 377,665 SF (8.67 AC)
EXISTING IMPERVIOUS AREA = 182,952 SF (4.20 AC)
EXISTING LOT COVERAGE = 48%
NEW IMPERVIOUS SURFACES = 5,963 SF (0.13 AC)
REPLACED IMPERVIOUS SURFACES = 160 SF (0.01 AC)
NEW PLUS REPLACED IMPERVIOUS SURFACES = 6,123 SF (0.14 AC)
NET CHANGE IN IMPERVIOUS AREA = 5,963 SF (0.13 AC)
DISTURBED AREA = 11,326 SF (0.26 AC)
THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES ARE
APPROXIMATE ONLY AND HAVE NOT BEEN INDEPENDENTLY
VERIFIED BY THE OWNER OR ITS REPRESENTATIVE. THE
CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ALL
EXISTING UTILITIES BEFORE COMMENCING WORK AND AGREES
TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES THAT
HAPPEN DUE TO THE CONTRACTOR'S FAILURE TO LOCATE
EXACTLY AND PRESERVE ANY AND ALL UNDERGROUND
UTILITIES. AHBL ASSUMES NO LIABILITY FOR THE LOCATION OF
UNDERGROUND UTILITIES.
UTILITY NOTE
GENERAL NOTE
1. CONSTRUCTION SURVEY SHALL BE PROVIDED BY THE
CONTRACTOR.
NAVD 1988 VERTICAL DATUM ON ORTHOMETRICALLY CORRECTED
GPS OBSERVATIONS USING WSRN AND GEOID 2012A.
CHECKED INTO CITY OF RENTON BENCHMARK 1852 ELEV:454.76
NAD 1983
WASHINGTON STATE PLANE NORTH PROJECTION, BASED ON GPS
OBSERVATIONS USING WSRN AND GEOID 2012A. UNITS OF
MEASUREMENT ARE US SURVEY FEET.
CHECKED INTO CITY OF RENTON HORIZONTAL CONTROL POINTS
1852 AND 1851.
1851: BRASS DISK AT NE 4TH ST AND 140TH AVE SE.
1852: BRASS DISK AT NE 4TH ST AND 148TH AVE SE.
VERTICAL DATUM
BASIS OF BEARING
EARTHWORK INFORMATION
CUT/FILL = 118 CY (FILL)
NOTE:THE ABOVE QUANTITIES ARE ESTIMATES ONLY INTENDED
FOR THE PERMITTING PROCESS AND ARE NOT INTENDED TO BE
USED BY THE CONTRACTOR FOR BIDDING PURPOSES. THE
CONTRACTOR SHALL MAKE THEIR OWN EARTHWORK
DETERMINATION.
ONSITE SOILS SHALL BE RE-USED TO THE MAXIMUM EXTENT
POSSIBLE.
CONTRACTOR SHALL OBTAIN IMPORT MATERIALS AND DISPOSE OF
EXPORT MATERIALS AT APPROVED LOCATIONS TO BE DETERMINED
PRIOR TO THE START OF CONSTRUCTION ACTIVITIES.
SHEET INDEX
SHEET NUMBER SHEET TITLE
C1.0 COVER SHEET
C2.0 TESC AND DEMOLITION PLAN
C3.0 GRADING AND DRAINAGE PLAN - WEST
C3.1 GRADING AND DRAINAGE PLAN - EAST
C4.0 NOTES AND DETAILS
C4.1 NOTES AND DETAILS
C4.2 NOTES AND DETAILS
LEGEND:
EXISTING PROPOSED
SET NAIL AND WASHER
SET REBAR AND CAP
SANITARY SEWER MANHOLE
SANITARY SEWER CLEANOUT
STORM CATCH BASIN
STORM CLEANOUT
YARD DRAIN
DOWNSPOUT CONNECTION
ELECTRICAL CABINET
GUY ANCHOR
UTILITY POWER POLE
JUNCTION BOX
LUMINAIRE
FIRE HYDRANT
WATER METER
WATER VALVE
WATER VAULT
C=CEDAR, F=FIR, P=PINE
M=MAPLE U= UNKNOWN
STORM LINE
ROOF DRAIN
SANITARY SEWER LINE
GAS LINE
ELECTRICAL LINE
COMMUNICATIONS LINE
WATER LINE
FENCE
CONCRETE
ASPHALT
CONTOUR MAJOR INTERVAL
CONTOUR MINOR INTERVAL
YD
DS
WV
XXX
XXX
SE 136TH STREET
3
4
4
5 55
5 5
5
6 6
5 5
2
2
1
6
6
6
7
7
7PPP-SS-TTTTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL
PORTABLES CUP
RENTON SCHOOL DISTRICTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL PORTABLE2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
T A C O M A SEATTLE SPOKANE TRI-CITIES
Checked for Compliance to City Standards
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R
CUP-SET
KEYNOTES
PROVIDE CONSTRUCTION ENTRANCE.
PROVIDE INLET SEDIMENT PROTECTION.
COORDINATE REMOVAL OF CONTAINER WITH SCHOOL DISTRICT.
PROTECT EXISTING DISPERSAL TRENCHES.
PROTECT EXISTING PORTABLE AND RAMP.
DEMOLISH EXISTING CONCRETE MOW CURB.
DEMOLISH EXISTING FENCE.
1
2
3
4
5
6
7
TESC LEGEND
INLET SEDIMENT PROTECTION
CONSTRUCTION ENTRANCE
CLEARING LIMITS
SILT FENCE
DEMOLITION LEGEND
DEMOLISH EXISTING ASPHALT PAVEMENT
BUILDING DEMOLITION
SAWCUT LINE
DEMOLISH EXISTING UTILITY
DEMOLISH EXISTING CONCRETE
1.DEMOLITION: IT IS THE INTENT OF THE WORK
UNDER THIS CONTRACT TO INCLUDE THE
DEMOLITION OF ALL EXISTING SITE
IMPROVEMENTS AS INDICATED BY THIS
DRAWING OR AS REQUIRED FOR NEW
CONSTRUCTION. IT IS THE CONTRACTOR'S
RESPONSIBILITY TO FULLY REVIEW THE SITE
CONDITIONS AND TO CORRELATE THESE
OBSERVATIONS WITH THE PROJECT WORK
AND INCLUDE ALL NECESSARY DEMOLITION,
WHETHER SHOWN OR NOT, AND INCLUDE
ALL SUCH COSTS IN THE BASE BID.
2.CLEARING: IT IS THE INTENT OF THE WORK
UNDER THIS CONTRACT TO CONDUCT ALL
CLEARING NECESSARY TO BE ABLE TO
COMPLETE ALL THE WORK OF THIS
PROJECT.
3.CONTRACTOR SHALL LEGALLY DISPOSE OFF
THE OWNER'S PROPERTY, ALL DEMOLISHED
AND REMOVED MATERIALS, UNLESS
INDICATED OTHERWISE.
4.BACKFILL AND COMPACT ALL VOIDS AND
DEPRESSIONS OCCURRING AS A RESULT OF
DEMOLITION ACTIVITIES WITH APPROVED
BACKFILL.
5.REMOVE EXISTING SOD AND TOPSOIL AS
NECESSARY TO PROVIDE IMPROVEMENTS.
CONTRACTOR SHALL DISPOSE OF EXCESS
SOD AND TOPSOIL OFFSITE.
6.SEDIMENTS TRACKED ONTO PAVED
SURFACES SHALL BE REMOVED BY
SWEEPING. SEDIMENTS SHALL NOT BE
WASHED DOWNSTREAM. SPRAY EXPOSED
SOILS WITH WATER TO PREVENT DUST.
RUNOFF SHALL NOT BE CREATED BY
SPRAYING. EROSION CONTROL MEASURES
SHALL BE PROVIDED THROUGHOUT
CONSTRUCTION.
7.PROTECT EXISTING PLANTS AND
VEGETATION TO REMAIN.
8.PROTECT EXISTING UTILITIES AND PAVING
WITHIN THE WORK LIMITS NOT SPECIFICALLY
INDICATED FOR DEMOLITION. RAISE
EXISTING UTILITIES TO FINISHED GRADE.
REPLACE DAMAGED PAVING.
9.SEE SHEET C4.1 FOR TEMPORARY EROSION
AND SEDIMENT CONTROL NOTES AND
DETAILS.
10.SEE SHEET C4.1 FOR MULCH NOTES.
11.HYDROSEED ALL NON-PAVED DISTURBED
AREAS PER SHEET C4.1.
12.SEE ELECTRICAL PLANS FOR DEMOLITION
OF EXISTING ELECTRICAL SERVICE.
13.CONTRACTOR IS RESPONSIBLE FOR
RESTORING GRASS AND SEED INCLUDING
WATERING UNTIL FULL GROWTH IS
ACHIEVED.
DEMOLITION NOTES
N
GRAPHIC SCALE
0 20 40 FEET
1" = 20 FEET
10
TESC AND DEMOLITION PLAN
1
C4.0
7
C4.0
2
C4.0
DS DS
DS DS
FG: 406.74
MATCH EX.
FG: 406.50
MATCH EX.
FG: 406.71
MATCH EX.
FG: 406.50
FG: 408.50
FG: 405.03
FG: 404.35
FG: 405.30 FG: 406.27
CB #2
CB TYPE 1
RIM: 404.30
IE: 401.80
CB #1
CB TYPE 1
RIM: 404.30
IE: 401.80
AREA DRAIN #3
CB TYPE 40
RIM: 405.30
IE: 403.30
AREA DRAIN #1
CB TYPE 40
RIM: 405.70
IE: 401.40
AREA DRAIN #2
CB TYPE 40
RIM: 406.00
IE: 404.10
FFE=408.60
408.58408.587
64' TYP. EXISTING PORTABLES
28' TYP.
EXISTING
PORTABLES
8
1
3
8
4
5
2
408.52
FG: 406.49
4
R15.0'
R20.0'
(4) STEPS
FG: 405.10
9
9
4PPP-SS-TTTTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL
PORTABLES CUP
RENTON SCHOOL DISTRICTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL PORTABLE2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
T A C O M A SEATTLE SPOKANE TRI-CITIES
Checked for Compliance to City Standards
Know what's below.
before you dig.Call
R
CUP-SET
N
GRAPHIC SCALE
0 10 20 FEET
1" = 10 FEET
5
GRADING AND DRAINAGE PLAN - WEST
1.CONTRACTOR SHALL VERIFY EXISTING AND PROPOSED GRADES
BEFORE COMMENCING WORK. CONTACT ENGINEER IF ACTUAL
GRADES DO NOT REFLECT GRADES OF TOPOGRAPHICAL SURVEY.
2.ADJUST EXISTING UTILITIES WITHIN WORK LIMITS TO FINISHED
GRADE.
3.ALL ROOF DRAIN LINES SHALL BE 6" PVC @ 1.00% MINIMUM. WITH
1-FOOT MINIMUM COVER. ALL ROOF DRAINS SHALL BE CONNECTED
TO A STORM DRAIN CATCH BASIN. SEE BUILDING PLANS FOR
EXACT DOWNSPOUT LOCATIONS. CLEANOUTS PER DETAIL
TYPICAL.
4.BEDDING AND BACKFILL IN PIPE TRENCHES PER DETAIL
5.ENSURE POSITIVE DRAINAGE MAINTAINED AWAY FROM
PORTABLES. SOIL SHALL NOT BE PLACED AGAINST SKIRTING.
6.CLEANOUTS REQUIRED AT ALL CHANGES OF DIRECTION AT
100-FOOT MAXIMUM SPACING AS INDICATED.
7.ALL EXCESS SOIL MATERIAL AND CONSTRUCTION WASTE SHALL BE
DISPOSED OF AT AN APPROVED OFF-SITE LOCATION.
8.ROOF DOWNSPOT LOCATION PER DETAIL
9.RESTORE IRRIGATION IN DISTURBED VEGETATION AREAS.
10.RESTORE DISTURBED LAWN AREAS WITH TOPSOIL AND
HYDROSEED PER HYROSEEDING NOTES ON SHEET C4.1.
11.SEE SHEET C4.1 FOR SURFACE WATER STANDARD PLAN NOTES.
12.PROVIDE TYPE 1 AND TYPE 40 CATCH BASINS PER AND
GENERAL NOTES
LEGEND
CHAIN LINK FENCE
CONCRETE MOW CURB
ASPHALT PAVEMENT
HYDROSEED
GRADE BREAK
DITCH LINE
GB
KEYNOTES
PROVIDE ASPHALT PAVEMENT PER
PORTABLE CLASSROOM PER MANUFACTURER'S DRAWINGS.
PORTABLE RAMP PER PORTABLE CLASSROOM
MANUFACTURER'S DRAWINGS.
PROVIDE CONCRETE MOW CURB PER
PROVIDE GRAVEL FILLED TRENCH WITH NOTCHED BOARD PER
NOTCHED MOW CURB
CONTRACTOR SHALL OVEREXCAVATE AND PROVIDE 4" GRAVEL
BELOW PROPOSED PORTABLE EXTENDING 1' BEYOND
PORTABLE WALL. GRAVEL SHALL CONFORM TO WSDOT
9-03.9(3) TOP COURSE, 95% COMPACTION. SLOPE AWAY FROM
BUILDING AT 2%.
PROVIDE TACK COAT ON PAVEMENT EDGES AND HOT TAR SEAL
AT JOINT.
PROVIDE 6-FEET HEIGHT CHAIN LINK FENCE PER
1
2
3
4
5
6
7
8
9
1
C4.2
2
C4.1
6
C4.0
4
C4.2
6
C4.0
2
C4.1
3
C4.1
1
C4.1
3
C4.0
5
C4.0
4
C4.0
2
C4.2
3
C4.2
SEE SHEET C3.11
C4.2
DS DS
DS DS
FG: 406.69
MATCH EX.
FG: 406.44
FG: 406.90
FG: 406.70
FG: 406.75 FG: 406.70
FG: 406.00FG: 406.00
FG: 407.13
MATCH EX.
FFE=409.10
CB #4
CB TYPE 1
RIM: 405.75
IE: 402.25
CB #3
CB TYPE 1
RIM: 405.75
IE: 402.25
FG: 406.50
AREA DRAIN #5
CB TYPE 40
RIM: 406.00
IE: 404.00
AREA DRAIN #4
CB TYPE 40
RIM: 406.00
IE: 404.50
409.08409.08
8
1
3
7
5
1
8
4
FG: 409.00
2409.02
4
R20.0'
4
4PPP-SS-TTTTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL
PORTABLES CUP
RENTON SCHOOL DISTRICTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL PORTABLE2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
T A C O M A SEATTLE SPOKANE TRI-CITIES
Checked for Compliance to City Standards
Know what's below.
before you dig.Call
R
CUP-SET
N
GRAPHIC SCALE
0 10 20 FEET
1" = 10 FEET
5
GRADING AND DRAINAGE PLAN - EASTSEE SHEET C3.01.CONTRACTOR SHALL VERIFY EXISTING AND PROPOSED GRADES
BEFORE COMMENCING WORK. CONTACT ENGINEER IF ACTUAL
GRADES DO NOT REFLECT GRADES OF TOPOGRAPHICAL SURVEY.
2.ADJUST EXISTING UTILITIES WITHIN WORK LIMITS TO FINISHED
GRADE.
3.ALL ROOF DRAIN LINES SHALL BE 6" PVC @ 1.00% MINIMUM. WITH
1-FOOT MINIMUM COVER. ALL ROOF DRAINS SHALL BE CONNECTED
TO A STORM DRAIN CATCH BASIN. SEE BUILDING PLANS FOR
EXACT DOWNSPOUT LOCATIONS. CLEANOUTS PER DETAIL
TYPICAL.
4.BEDDING AND BACKFILL IN PIPE TRENCHES PER DETAIL
5.ENSURE POSITIVE DRAINAGE MAINTAINED AWAY FROM
PORTABLES. SOIL SHALL NOT BE PLACED AGAINST SKIRTING.
6.CLEANOUTS REQUIRED AT ALL CHANGES OF DIRECTION AT
100-FOOT MAXIMUM SPACING AS INDICATED.
7.ALL EXCESS SOIL MATERIAL AND CONSTRUCTION WASTE SHALL BE
DISPOSED OF AT AN APPROVED OFF-SITE LOCATION.
8.ROOF DOWNSPOT LOCATION PER DETAIL
9.RESTORE IRRIGATION IN DISTURBED VEGETATION AREAS.
10.RESTORE DISTURBED LAWN AREAS WITH TOPSOIL AND
HYDROSEED PER HYROSEEDING NOTES ON SHEET C4.1.
11.SEE SHEET C4.1 FOR SURFACE WATER STANDARD PLAN NOTES.
12.PROVIDE TYPE 1 AND TYPE 40 CATCH BASINS PER AND
GENERAL NOTES
LEGEND
CHAIN LINK FENCE
CONCRETE MOW CURB
ASPHALT PAVEMENT
HYDROSEED
GRADE BREAK
DITCH LINE
GB
KEYNOTES
PROVIDE ASPHALT PAVEMENT PER
PORTABLE CLASSROOM PER MANUFACTURER'S DRAWINGS.
PORTABLE RAMP PER PORTABLE CLASSROOM
MANUFACTURER'S DRAWINGS.
PROVIDE CONCRETE MOW CURB PER
PROVIDE GRAVEL FILLED TRENCH WITH NOTCHED BOARD PER
NOTCHED MOW CURB
CONTRACTOR SHALL OVEREXCAVATE AND PROVIDE 4" GRAVEL
BELOW PROPOSED PORTABLE EXTENDING 1' BEYOND
PORTABLE WALL. GRAVEL SHALL CONFORM TO WSDOT
9-03.9(3) TOP COURSE, 95% COMPACTION. SLOPE AWAY FROM
BUILDING AT 2%.
PROVIDE TACK COAT ON PAVEMENT EDGES AND HOT TAR SEAL
AT JOINT.
1
2
3
4
5
6
7
8
1
C4.2
2
C4.1
6
C4.0
4
C4.2
6
C4.0
2
C4.1
3
C4.1
1
C4.1
3
C4.0
5
C4.0
4
C4.0
2
C4.2
3
C4.2
PPP-SS-TTTTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL
PORTABLES CUP
RENTON SCHOOL DISTRICTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL PORTABLE2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
T A C O M A SEATTLE SPOKANE TRI-CITIES
Checked for Compliance to City Standards
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CUP-SET
NOTES AND DETAILS
3000 psi CLASS C
CONCRETE (TYP.)
(LANDSCAPE AREAS
ONLY)
PLUG TO BE SEALED
IN SAME MANNER AS
MAIN SEWER JOINTS
7-3/4"
15"
8"
7"
45° (1/8)
BEND
2-7/8"
2'-0"
4-3/4"
10"
8-3/4"
1-1/4"
1/2"2"
9"
1"
1"4"1. PIPE MATERIAL AS SPECIFIED
BY THE ENGINEER.
2. PIPE DIAMETER AS SHOWN
12"Ø
5/8"
1'-0"
NOTES:1/2"
PER PLAN.
RAISE - 1/2" WIDE BORDER
NOTES:
1.COORDINATE DOWNSPOUT
LOCATIONS WITH BUILDING
CONTRACTOR. NO OFFSETS
ALLOWED.
2.ASPHALT PAVING ADJACENT TO
PVC PIPE TO BE COLD MIX TO
PREVENT MELTING PIPE.
3.CONTRACTOR SHALL
COORDINATE BLOCK OUTS FOR
FOOTINGS WITH
ARCHITECTURAL AND
STRUCTURAL PLANS.
0.5%
MIN.
FINISH GRADE
ROOF DOWNSPOUT
SEE ARCHITECTURAL
DETAILS.
FOUNDATION - SEE
STRUCTURAL
DETAILS.
3"
4x4 45° ELBOW (SxG)
FLUSH W/FINISH GRADE
1' MIN.
6x4 EXTENDED
BUSHING (SxG)
6" ROOF DRAIN
CONNECT TO
STORM DRAIN
4x4 45° ELBOW (SxG)
4x3 REDUCER
BUSHING (SxH)
1.THE FILTER FABRIC SHALL BE PURCHASED IN A CONTINUOUS ROLL CUT TO THE
LENGTH OF THE BARRIER TO AVOID USE OF JOINTS. WHEN JOINTS ARE
NECESSARY, FILTER CLOTH SHALL BE SPLICED TOGETHER ONLY AT A SUPPORT
POST WITH A MINIMUM SIX-INCH OVERLAP, AND BOTH ENDS SECURELY
FASTENED TO THE POST.
2.THE FILTER FABRIC FENCE SHALL BE INSTALLED TO FOLLOW THE CONTOURS
(WHERE FEASIBLE). THE FENCE POSTS SHALL BE SPACED A MAXIMUM OF SIX
FEET APART AND DRIVEN SECURELY INTO THE GROUND (MINIMUM OF 30")
3.A TRENCH SHALL BE EXCAVATED, ROUGHLY EIGHT INCHES WIDE AND TWELVE
INCHES DEEP, UPSLOPE AND ADJACENT TO THE WOOD POST TO ALLOW THE
FILTER FABRIC TO BE BURIED.
4.WHEN STANDARD STRENGTH FILTER FABRIC IS USED, A WIRE MESH SUPPORT
FENCE SHALL BE FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS
USING HEAVY-DUTY WIRE STAPLES AT LEAST ONE INCH LONG, TIE WIRES, OR
HOG RINGS. THE WIRE SHALL EXTEND INTO THE TRENCH A MINIMUM OF FOUR
INCHES AND SHALL NOT EXTEND MORE THAN THIRTY SIX INCHES ABOVE THE
ORIGINAL GROUND SURFACE.
5.THE STANDARD STRENGTH FILTER FABRIC SHALL BE STAPLED OR WIRED TO THE
FENCE, AND TWENTY INCHES OF THE FABRIC SHALL BE EXTENDED INTO THE
TRENCH. THE FABRIC SHALL NOT EXTEND MORE THAN THIRTY SIX INCHES ABOVE
THE ORIGINAL GROUND SURFACE. FILTER FABRIC SHALL NOT BE STAPLED TO
EXISTING TREES.
6.WHEN EXTRA-STRENGTH FILTER FABRIC AND CLOSER POST SPACING ARE USED,
THE WIRE MESH SUPPORT FENCE MAY BE ELIMINATED. IN SUCH A CASE, THE
FILTER FABRIC IS STAPLED OR WIRED DIRECTLY TO THE POSTS WITH ALL OTHER
PROVISIONS OF STANDARD NOTE (S) APPLYING.
7.THE TRENCH SHALL BE BACKFILL WITH 3/4 INCH MINIMUM DIAMETER WASHED
GRAVEL.
8.FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR
USEFUL PURPOSE, BUT NOT BEFORE THE UPSLOPE AREA HAS BEEN
PERMANENTLY STABILIZED.
9.FILTER FABRIC FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH
RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY REQUIRED
REPAIRS SHALL BE MADE IMMEDIATELY.
10.CONTRIBUTING LENGTH TO FENCE SHALL NOT BE MORE THAN 100 FEET.
11.DO NOT INSTALL BELOW AN OUTLET PIPE OR WEIR.
12.DO NOT DRIVE OVER OR FILL OVER FILTER FABRIC FENCE.O.D.NOTE
BACKFILL MATERIAL SHALL
NOT HAVE PARTICLE SIZE
GREATER THAN 1" WITHIN 6"
OF THE PIPE OR THE
CONTRACTOR HAS THE
OPTION TO USE GRAVEL
BACKFILL PIPE ZONE
BEDDING CONFORMING TO
WSDOT 9-03.12 (3).
I.D. + 30"
GRAVEL BACKFILL
FOR PIPE ZONE
BEDDING PER
WSDOT 9-03.12(3),
95% COMPACTION
4" MIN.
(CPEP, CMP, PVC)(D.I., CONC.)
RIGID FLEXIBLE
6"SUBGRADE ELEVATION
PIPE AS
SPECIFIED ON
PLANS
0.5 x O.D.BACKFILL PAVED AREAS AND
WITHIN R.O.W. CRUSHED
SURFACING TOP COURSE,
WSDOT 9-03.9(3) 95%
COMPACTION, 6" MAXIMUM LIFTS.
NATIVE MATERIAL MAY BE USED
IF IT MEETS THE REQUIREMENTS
OF STRUCTURAL FILL AND
COMPACTION CAN BE ACHIEVED
AS APPROVED BY THE
GEOTECHNICAL ENGINEER.
BACKFILL UNPAVED AREAS
NATIVE MATERIAL OR GRAVEL
BACKFILL FOR PIPE BEDDING,
90% COMPACTION, 12" MAXIMUM
LIFTS.
SEDIMENT ACCUMULATION
GEOTEXTILE
FABRIC
ADAPTER SKIRT
48"36"
(TO BYPASS
PEAK STORM
CATCH BASIN
24"
VOLUMES)
OVERFLOW
RETRIEVAL STRAP 1.PLACE CONCRETE BLOCKS LENGTHWISE ON THEIR SIDES IN A SINGLE ROW AROUND THE
PERIMETER OF THE INLET, SO THAT THE OPEN ENDS FACE OUTWARD, NOT UPWARD. THE ENDS OF
ADJACENT BLOCKS SHALL ABUT. THE HEIGHT OF THE BARRIER CAN BE VARIED, DEPENDING ON
DESIGN NEEDS, BY STACKING COMBINATIONS OF BLOCKS THAT ARE 4 INCHES, AND 12 INCHES
WIDE. THE ROW OF BLOCKS SHALL BE AT LEAST 12 INCHES, BUT NO GREATER THAN 24 INCHES,
HIGH.
2.PLACE WIRE MESH OVER THE OUTSIDE VERTICAL FACE (OPEN END) OF THE CONCRETE BLOCKS TO
PREVENT STONE FROM BEING WASHED THROUGH THE BLOCKS. USE HARDWARE CLOTH OR
COMPARABLE WIRE MESH WITH 1/2 INCH OPENINGS.
3.PILE STONE AGAINST THE THE WIRE MESH TO THE TOP OF THE BLOCKS. USE 3/4 TO 3 INCH GRAVEL.
4.PLACE WIRE MESH OVER DROP INLET SO THAT THE WIRE EXTENDS A MINIMUM OF 1 FOOT BEYOND
EACH SIDE OF THE INLET STRUCTURE. USE HARDWARE CLOTH OR COMPARABLE WIRE MESH OF 1/2
INCH OPENINGS. IF MORE THAN ONE STRIP OF MESH IS NECESSARY, OVERLAP THE STRIPS.
5.PLACE FILTER FABRIC OVER WIRE MESH. PLACE 3/4 INCH GRAVEL OVER WIRE MESH. THE DEPTH OF
STONE SHALL BE AT LEAST 12 INCHES OVER THE ENTIRE INLET OPENING. EXTEND THE STONE
BEYOND THE INLET OPENING AT LEAST 18 INCHES ON ALL SIDES.
6.IF THE STONE FILTER BECOMES CLOGGED WITH SEDIMENT, THE STONES MUST BE PULLED AWAY
FROM THE INLET AND CLEANED OR REPLACED.
7.IF THE CB GRATE BECOMES CLOGGED WITH SEDIMENT, CONTRACTOR SHALL BE RESPONSIBLE TO
IMMEDIATELY CLEAN DEBRIS FROM GRATE.
CATCH BASIN INLET PROTECTION NOTES AS APPLICABLE:
2" X 4" WOOD POSTS,
STANDARD OR
BETTER,
OR STEEL FENCE
POST
BURY BOTTOM OF
FILTER MATERIAL
IN 8"X12" TRENCH
2" X 2" BY 14 GA.
WIRE FABRIC OR
EQUIVALENT
6' MAX.
EXISTING
GRADE2.0'2.5'5.0'8"5.0'1.0'2.0'0.5'2" X 4" WOOD POST
OR STEEL FENCE POST
ORANGE FILTER FABRIC
MATERIAL 60" WIDE ROLLS -
USE RINGS TO ATTACH
ATTACH TO WIRE FABRIC
PROVIDE 3/4" - 1 1/2" WASHED
GRAVEL BACKFILL IN TRENCH AND
ON BOTH SIDES OF FILTER FENCE
FABRIC ON THE SURFACE
2" X 2" BY 14 GA. WIRE
FABRIC OR EQUIVALENT,
AFFIX TO POST
FILTER FABRIC MATERIAL (ORANGE)
MIRAFI 100 NS OR EQUIVALENT
CONSTRUCTION ENTRANCE NOTES:
1.MATERIAL SHALL BE 4-INCH TO 8-INCH QUARRY SPALLS AND MAY BE TOP-DRESSED WITH
1-INCH TO 3-INCH ROCK. (STATE STANDARD SPECIFICATIONS, SECTION 8-15.)
2.THE ROCK PAD SHALL BE AT LEAST 12 INCHES THICK AND 100 FEET LONG. WIDTH SHALL
BE THE FULL WIDTH OF THE VEHICLE INGRESS AND EGRESS AREA.
3.ADDITIONAL ROCK SHALL BE ADDED PERIODICALLY TO MAINTAIN PROPER FUNCTION OF
THE PAD.
4.IF THE PAD DOES NOT ADEQUATELY REMOVE THE MUD FROM THE VEHICLE WHEELS, THE
WHEELS SHALL BE HOSED OFF BEFORE THE VEHICLE ENTERS A PAVED STREET. THE
WASHING SHALL BE DONE ON AN AREA COVERED WITH CRUSHED ROCK AND WASH
WATER SHALL DRAIN TO A SEDIMENT RETENTION FACILITY OR THROUGH A SILT FENCE.
5.GEOTEXTILE SHALL MEET THE FOLLOWING: GRAB TENSILE STRENGTH 200 SI MIN. GRAB
TENSILE LONGATION 30% MAX. MULLEN BURST STRENGTH 400 PSI MIN. AOS 2-45(U.S.
STANDARD SIEVE)
* USE OF EXISTING PAVEMENT IS PERMISSIBLE UNTIL PAVEMENT FAILS.15' MIN
.
FULL W
I
D
T
H
INGR
E
S
S
/
EGRES
S100' MIN
.
*
25' MIN. RADIUS
GEOTEXTILE
4" - 8" QUARRY SPALLS
12" MIN.
EXISTING
FRONTAGE
ROAD
EDGE OF
EXISTING
PAVEMENT
NOTES:
PROVIDE
EXTENSION
AS REQUIRED.
FIBRE JOINT
PACKING
12" COMPACTED
SUBGRADE TO 95%
CRUSHED SURFACING
BASE COURSE PER
WSDOT 9.03-9(3)
HMA CLASS 3/8", PG 64-22
3"4"NOTES:
1.ALL DEPTHS SHOWN ARE COMPACTED DEPTHS.
2.THE CONTRACTOR SHALL EXPOSE EXISTING FILL, PROOF ROLL
AND COMPACT TO 95%. IF YIELDING CONDITIONS ARE
ENCOUNTERED, YIELDING MATERIALS SHALL BE REPLACED WITH
IMPORTED STRUCTURAL FILL MATERIAL. THE DEPTH OF MATERIAL
REPLACEMENT SHALL BE DETERMINED BY THE GEOTECHNICAL
ENGINEER.
1 NOT TO SCALE
INLET SEDIMENT PROTECTION
2 NOT TO SCALE
SILT FENCE
3 NOT TO SCALE
CLEANOUT 4 NOT TO SCALE
ROOF DOWNSPOUT CONNECTION
5 NOT TO SCALE
BEDDING AND BACKFILL PIPE IN TRENCHES 6 NOT TO SCALE
ASPHALT CEMENT
PAVEMENT SECTION
7 NOT TO SCALE
CONSTRUCTION ENTRANCE
PPP-SS-TTTTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL
PORTABLES CUP
RENTON SCHOOL DISTRICTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL PORTABLE2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
T A C O M A SEATTLE SPOKANE TRI-CITIES
Checked for Compliance to City Standards
Know what's below.
before you dig.Call
R
CUP-SET
NOTES AND DETAILS
1.THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER UTILITY.
2.BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE-CONSTRUCTION MEETING MUST BE HELD BETWEEN THE CITY
OF RENTON PLAN REVIEW SECTION AND THE APPLICANT.
3.ALL DESIGN AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE RENTON MUNICIPAL CODE (RMC), THE LATEST EDITION OF THE
STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN PUBLIC
WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. IT SHALL BE THE SOLE
RESPONSIBILITY OF THE APPLICANT AND THE PROFESSIONAL CIVIL ENGINEER TO CORRECT ANY ERROR, OMISSION, OR VARIATION FROM
THE ABOVE REQUIREMENTS FOUND IN THESE PLANS. ALL CORRECTIONS SHALL BE AT NO ADDITIONAL COST TO THE CITY.
4.APPROVAL OF THIS ROAD, GRADING, PARKING AND DRAINAGE PLAN DOES NOT CONSTITUTE AN APPROVAL OF ANY OTHER CONSTRUCTION
(E.G., DOMESTIC WATER CONVEYANCE, SEWER CONVEYANCE, GAS, ELECTRICAL. ETC.). THE SURFACE WATER DRAINAGE SYSTEM SHALL
BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS, WHICH ARE ON FILE IN WITH THE CITY. ANY DEVIATION FROM THE APPROVED
PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.
5.A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS.
6.GRADING ACTIVITIES (SITE ALTERATION) ARE LIMITED TO THE HOURS OF 7 AM TO 7 PM, MONDAY THROUGH SATURDAY, AND NO WORK IS
ALLOWED ON SUNDAY, UNLESS OTHERWISE APPROVED WITH A WRITTEN DECISION BY THE CITY OF RENTON.
7.IT SHALL BE THE APPLICANT'S/CONTRACTOR'S RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION EASEMENTS NECESSARY BEFORE
INITIATING OFFSITE WORK. EASEMENTS REQUIRE CITY REVIEW AND APPROVAL PRIOR TO CONSTRUCTION.
8.FRANCHISED UTILITIES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS SHALL NOT BE CONSTRUCTED
UNLESS AN APPROVED SET OF PLANS THAT MEET ALL REQUIREMENTS OF CHAPTER 4 OF THE SURFACE WATER DESIGN MANUAL ARE
SUBMITTED TO THE CITY OF RENTON.
9.DATUM SHALL BE NAVD 88 UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON. REFERENCE BENCHMARK AND ELEVATIONS ARE
NOTED ON THE PLANS.
10.ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES MUST BE SUBMITTED TO THE CITY FOR
REVIEW AND APPROVAL.
11.ALL UTILITY TRENCHES AND ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT DENSITY, STANDARD
PROCTOR.
12.OPEN CUTTING OF EXISTING ROADWAYS FOR NON-FRANCHISED UTILITY OR STORM DRAINAGE WORK IS NOT ALLOWED UNLESS
SPECIFICALLY APPROVED BY THE CITY OF RENTON AND NOTED ON THESE APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN
ACCORDANCE WITH THE CITY OF RENTON TRENCH RESTORATION STANDARDS.
13.ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE
SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ONSITE EROSION HAS PASSED.
14.ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION
ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.
15.ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH THE CURRENT STATE OF
WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE
TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING
MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING
BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C,” WITH THE EXCEPTION OF PVC PIPE.
16.STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE.
17.ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES SHALL HAVE SOLID LOCKING LIDS. ALL DRAINAGE STRUCTURES
ASSOCIATED WITH A PERMANENT RETENTION/DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS.
18.BUILDING AND OTHER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH TABLE 4.1 EASEMENT WIDTHS AND BUILDING SETBACKS
LINES.
19.ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FOOT BELOW PAVEMENT LEVEL.
20.ALL DRIVEWAY CULVERTS LOCATED WITHIN CITY OF RENTON RIGHT-OF-WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3:1
SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE DITCH. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES,
WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A DEPTH OF 1 FOOT AND MUST MEET THE FOLLOWING
SPECIFICATIONS:
4-INCH TO 8-INCH ROCK / 40% TO 70% PASSING;
2-INCH TO 4-INCH ROCK / 30% TO 40% PASSING; AND
LESS THAN 2-INCH ROCK / 10% TO 20% PASSING.
21.ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED BY THE
CITY PLAN REVIEWER OR SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CERTIFIED AS-BUILT DRAWING OF THIS
DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY UPON COMPLETION.
22.DRAINAGE OUTLETS (STUB-OUTS) SHALL BE PROVIDED FOR EACH INDIVIDUAL LOT, EXCEPT FOR THOSE LOTS APPROVED FOR
INFILTRATION BY THE CITY. STUB-OUTS SHALL CONFORM TO THE FOLLOWING:
a.EACH OUTLET SHALL BE SUITABLY LOCATED AT THE LOWEST ELEVATION ON THE LOT, SO AS TO SERVICE ALL FUTURE ROOF
DOWNSPOUTS AND FOOTING DRAINS, DRIVEWAYS, YARD DRAINS, AND ANY OTHER SURFACE OR SUBSURFACE DRAINS NECESSARY TO
RENDER THE LOTS SUITABLE FOR THEIR INTENDED USE. EACH OUTLET SHALL HAVE FREE-FLOWING, POSITIVE DRAINAGE TO AN
APPROVED STORMWATER CONVEYANCE SYSTEM OR TO AN APPROVED OUTFALL LOCATION.
b.OUTLETS ON EACH LOT SHALL BE LOCATED WITH A 5-FOOT-HIGH, 2-INCH BY 4_INCH STAKE MARKED "STORM" OR "DRAIN.” THE
STUB-OUT SHALL EXTEND ABOVE SURFACE LEVEL, BE VISIBLE, AND BE SECURED TO THE STAKE.
c.PIPE MATERIAL SHALL CONFORM TO UNDERDRAIN SPECIFICATIONS DESCRIBED IN CHAPTER 4 OF THE SURFACE WATER DESIGN
MANUAL AND, IF NON-METALLIC, THE PIPE SHALL BE PLACED IN A TRENCH WITH A TRACING WIRE ABOVE OR OTHER ACCEPTABLE
DETECTION.
d.PRIVATE DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO CONVEY FLOWS THROUGH INDIVIDUAL LOTS.
e.THE APPLICANT/CONTRACTOR IS RESPONSIBLE FOR COORDINATING THE LOCATIONS OF ALL STUB-OUT CONVEYANCE LINES WITH
RESPECT TO OTHER UTILITIES (E.G., POWER, GAS, TELEPHONE, TELEVISION).
f.ALL INDIVIDUAL STUB-OUTS SHALL BE PRIVATELY OWNED AND MAINTAINED BY THE LOT HOMEOWNER.
g.STORM DRAINAGE PIPE SYSTEMS SHALL NOT PENETRATE BUILDING FOUNDATIONS, EXCEPT FOR SUMP PUMP DISCHARGE LINES USED
TO DRAIN CRAWL SPACES, PROVIDED THE SUMP PUMP SYSTEM INCLUDES BACKFLOW PREVENTION OR A CHECK VALVE.
23.ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED, LANDSCAPED, ETC.) OF THE DEVELOPMENT SITE MUST DEMONSTRATE ONE OF
THE FOLLOWING: THE EXISTING DUFF LAYER SHALL BE STAGED AND REDISTRIBUTED TO MAINTAIN THE MOISTURE CAPACITY OF THE SOIL,
OR; AMENDED SOIL SHALL BE ADDED TO MAINTAIN THE MOISTURE CAPACITY.
24.PROOF OF LIABILITY INSURANCE SHALL BE SUBMITTED TO THE CITY PRIOR TO CONSTRUCTION PERMIT ISSUANCE.
25.ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING
LEGAL OBLIGATION AND/OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES
NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION.
26.THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT,
FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY
IN CONNECTION WITH THE PERFORMANCE OF WORK. ANY WORK WITHIN THE TRAVELED RIGHT-OF-WAY THAT MAY INTERRUPT NORMAL
TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVE BY THE PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS
DIVISION. ALL SECTIONS OF THE WSDOT STANDARD SPECIFICATIONS 1-07-23 TRAFFIC CONTROL SHALL APPLY.
27.PROJECT LOCATED WITHIN THE AQUIFER PROTECTION AREA (APA) SHALL COMPLY WITH SPECIAL REQUIREMENT #6 OF THE SURFACE
WATER DESIGN MANUAL AND AQUIFER PROTECTION REGULATIONS (RMC 4-3-050).
SURFACE WATER STANDARD PLAN NOTES
1.THESE NOTES SHALL APPEAR FOR ALL PROJECTS - SITE IMPROVEMENTS, SURFACE WATER UTILITY, WASTE WATER UTILITY, WATER
UTILITY, AND TRANSPORTATION PLANS.
2.BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE-CONSTRUCTION MEETING MUST BE HELD WITH THE CITY
OF RENTON, PUBLIC WORKS DESIGN ENGINEER.
3.THE BOUNDARIES OF THE CLEARING LIMITS AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN(S) SHALL BE
CLEARLY FLAGGED BY SURVEY TAPE OR FENCING IN THE FIELD PRIOR TO CONSTRUCTION IN ACCORDANCE WITH APPENDIX D OF THE
SURFACE WATER DESIGN MANUAL AND OBSERVED DURING CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE
BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANT/ESC
SUPERVISOR FOR THE DURATION OF CONSTRUCTION.
4.STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE
DURATION OF THE PROJECT. ADDITIONAL MEASURES, SUCH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE
REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN AND TRACK OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR
THE DURATION OF THE PROJECT.
5.ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND
CLEARING AND/OR CONSTRUCTION TO PREVENT TRANSPORTATION OF SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND
ADJACENT PROPERTIES. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH
TIME THAT CLEARING AND/OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ONSITE EROSION HAS PASSED. THE
IMPLEMENTATION, MAINTENANCE, REPLACEMENT, AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE THE
RESPONSIBILITY OF THE PERMITEE.
6.THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS
TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE,
THE PERMITEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO ENSURE
COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION
AND RESPONSIBILITY OF THE PERMITEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO
PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT
PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM.
7.APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM
DRAINAGE DESIGN, SIZE, NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES.
8.ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE
WET SEASON (OCTOBER 1 THROUGH MARCH 30) OR SEVEN DAYS DURING THE DRY SEASON (APRIL 1 THROUGH SEPTEMBER 30) SHALL
BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.).
9.WET SEASON SEASONAL EROSION AND SEDIMENT CONTROL REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES CLEARING
BETWEEN OCTOBER 1 AND MARCH 30 INCLUSIVE, UNLESS OTHERWISE APPROVED BY THE CITY THROUGH AN ADJUSTMENT PROCESS.
10.COVER MEASURES WILL BE APPLIED IN CONFORMANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL.
11.ANY AREA NEEDING ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN DAYS.
12.THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS
FOLLOWING A STORM EVENT.
13.AT NO TIME SHALL MORE THAN 1 FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND
CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT-LADEN WATER
INTO THE DOWNSTREAM SYSTEM.
14.DURING THE TIME PERIOD OF OCTOBER 1 THROUGH MARCH 30, ALL PROJECT DISTRIBUTED SOIL AREAS GREATER, THAT ARE TO BE
LEFT UNWORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING, OR PLASTIC COVERING.
15.ANY PERMANENT RETENTION/DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE
NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE PERMANENT FACILITY IS TO
FUNCTION ULTIMATELY AS AN INFILTRATION SYSTEM, THE TEMPORARY FACILITY MUST BE ROUGH GRADED SO THAT THE BOTTOM AND
SIDES ARE AT LEAST 3 FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY.
16.PRIOR TO THE BEGINNING OF THE WET SEASON (OCTOBER 1), ALL DISTURBED AREAS SHALL BE REVIEWED TO IDENTIFY WHICH ONES
CAN BE SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SHALL BE SEEDED WITHIN ONE WEEK OF THE
BEGINNING OF THE WET SEASON. A SKETCH MAP OF THOSE AREAS TO BE SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL
BE SUBMITTED TO THE CITY OF RENTON FOR REVIEW.
EROSION CONTROL NOTES
1.HYDROSEEDING, INCLUDING LAWN ESTABLISHMENT, SHALL BE APPLIED TO ALL DISTURBED
NON-PAVED AREAS.
2.HYDROSEEDING TO BE THE FOLLOWING MIXTURE:
TYPE OF PROPORTIONS PERCENT PERCENT
MIXTURE BY WEIGHT PURITY GERMINATION
PERENNIAL RYE GRASS 40%90%90%
CREEPING RED FESCUE 40%90%90%
CREEPING RYE GRASS 10%95%90%
HIGHLAND BENT GRASS 10%90%90%
3.APPLICATION TO BE 100 LBS/ACRE.
4.500 LBS/ACRE 10-20-20 FERTILIZER, 2000 LBS/ACRE MULCH AND 40 LBS/ACRE SOIL STABILIZER TO BE
APPLIED WITH SEED MIXTURE.
5.SEEDING SHALL MEET REQUIREMENTS OF SPECIFICATION 32 92 00 AND WSDOT SPECIFICATION
8-02.3(16)
HYDROSEEDING NOTES
1.MULCH MATERIALS USED SHALL BE HAY OR STRAW, AND SHALL BE APPLIED AT THE RATE OF 2
TONS/ACRE.
2.MULCHES SHALL BE APPLIED IN ALL AREAS WITH EXPOSED SLOPES GREATER THAN 2:1.
3.MULCHING SHALL BE USED IMMEDIATELY AFTER SEEDING OR IN AREAS WHICH CANNOT BE SEEDED
BECAUSE OF THE SEASON.
4.ALL AREAS NEEDING MULCH SHALL BE COVERED BY NOVEMBER 1.
MULCHING NOTES
18"
O.C.
2"
2"
2" MOW CURB
NOTHCES
TYPE 1 CB
W/ SOLID COVER
FLOW TO OTHER
BRANCHING CB'S AS
NECESSARY
FLOW TO SECOND
DISPERSAL TRENCH IF
NECESSARY
1.THIS TRENCH SHALL BE CONSTRUCTED
SO AS TO PREVENT POINT DISCHARGE
AND/OR EROSION.
2.TRENCHES MAY BE PLACED NO
CLOSER THAN 50 FEET TO ONE
ANOTHER. (100 FEET ALONG FLOWLINE)
3.TRENCH AND GRADE MOW CURB MUST
BE LEVEL. ALIGN TO FOLLOW
CONTOURS OF SITE.
4.CONSTRUCT GRADE MOW CURB LEVEL.
1'1'
PIPE O.D.
4" OR 6" PERFORATED
PIPE LAID FLAT
CLEAN ( 5% FINES
1 12" - 3 4" WASHED ROCK)
20% MA
X
.
15% M
A
X.
6" MIN.
MOW CURB
1'1'
PIPE O.D.
AA
PER PLAN
TYPE 1 CB W/ SOLID LID COVER
(LOCKING)
4" OR 6" PERFORATED
PIPE LAID FLAT/LEVEL
CLEAN OUT WYE FROM PIPE
END CAP OR PLUG
INFLUENT PIPE (MAX
DESIGN FLOW 0.5
CFS PER TRENCH)
O
O
FILTER FABRIC
NOTCHED GRADE MOW CURB.
2"x2" NOTCHES 18" O.C.
2'
ELEVATION
PER PLAN
NOTCHED
MOW CURB
6"
2"
MOW CURB
NOTE:
1.BARK SHALL BE PLACED BELOW THE RAMP AND STAIRS.
(1) #4 BARS CONT.
STOP AT EXP JOINTS18"
6"
1/4" SLOPE
LAWN
PORTABLE CLASSROOM
VARIES PER PLAN
6" FINE
FIR BARK
MIRAFI MSCAPE
GEOTEXTILE
WEED FABRIC
4" GRAVEL BELOW PROPOSED PORTABLE
EXTENDING 1' BEYOND PORTABLE WALL.
GRAVEL SHALL CONFORM TO
WSDOT 9-03.9(3) TOP COURSE.
PORTABLE
7"
1 NOT TO SCALE
GRAVEL FILLED TRENCH
WITH NOTCHED MOW CURB
2 NOT TO SCALE
MOW CURB
3 NOT TO SCALE
NOTCHED MOW CURB
2
C4.1
2
C4.1
PPP-SS-TTTTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL
PORTABLES CUP
RENTON SCHOOL DISTRICTMAPLEWOOD HEIGHTS ELEMENTARY SCHOOL PORTABLE2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
T A C O M A SEATTLE SPOKANE TRI-CITIES
Checked for Compliance to City Standards
Know what's below.
before you dig.Call
R
CUP-SET
NOTES AND DETAILS
CONCRETE
FOOTING
FINISH GRADE
1/4"x 3/4" FLAT
STRETCHER
5-1/4" x 3/4" BANDS
& STRETCHER BAR
AT END & CORNER
POSTS
FABRIC 12 GA CORE
11 GA BLACK VINYL
COATING (10-MIL).
TOP & BOTTOM RAIL
1-5/8" DIA.
LINE POST 2-3/8" DIA. (TYP), END
CORNER POSTS 3" DIA.
8'-0" MAX.
4'-0"
1'-0"
TYP.1'-0"TYP2"
MIN.
3'-0"
28"
18"
20"
12"
6"
28"
18"
20"
12"
12"
28"
18"
20"
12"
30"
12"
16"
2"
NOTE:
1.PROVIDE CAST IRON FRAME & GRATE.
2.AREA DRAIN SHALL BE USED IN NON
VEHICULAR ACCESS LOCATIONS.
FRAME AND VANED GRATE
RECTANGULAR ADJUSTMENT SECTION
3"4" MI
N.
(
T
Y
P.)
34"
5"
#3 BAR EACH WAY
SEE NOTE 1
NOTE:
1.AS ACCEPTABLE ALTERNATIVES TO THE REBAR SHOWN IN
THE PRECAST BASE SECTION, FIBERS (PLACED
ACCORDING TO THE STANDARD SPECIFICATIONS), OR
WIRE MESH HAVING A MINIMUM AREA OF 0.12 SQUARE
INCHES PER FOOT SHALL BE USED WITH THE MINIMUM
REQUIRED REBAR SHOWN IN THE ALTERNATIVE PRECAST
BASE SECTION. WIRE MESH SHALL NOT BE PLACED IN THE
KNOCKOUTS.
2.THE KNOCKOUT DIAMETER SHALL NOT BE GREATER THAN
20". KNOCKOUTS SHALL HAVE A WALL THICKNESS OF 2"
MINIMUM TO 2.5" MAXIMUM. PROVIDE A 1.5" MINIMUM GAP
BETWEEN THE KNOCKOUT WALL AND THE OUTSIDE OF
THE PIPE. AFTER THE PIPE IS INSTALLED, FILL THE GAP
WITH JOINT MORTAR IN ACCORDANCE WITH STANDARD
SPECIFICATION 9-04.3.
3.THE MAXIMUM DEPTH FROM THE FINISHED GRADE TO THE
LOWEST PIPE INVERT SHALL BE 5'.
4.THE FRAME AND GRATE MAY BE INSTALLED WITH THE
FLANGE UP OR DOWN. THE FRAME MAY BE CAST INTO
THE ADJUSTMENT SECTION.
5.THE PRECAST BASE SECTION MAY HAVE A ROUNDED
FLOOR, AND THE WALLS MAY BE SLOPED AT A RATE OF
1:24 OR STEEPER.
6.THE OPENING SHALL BE MEASURED AT THE TOP OF THE
PRECAST BASE SECTION.
7.ALL PICKUP HOLES SHALL BE GROUTED FULL AFTER THE
BASIN HAS BEEN PLACED.
#3 BAR EACH
CORNER
#3 BAR EACH
CORNER
18" MIN.
26"(SEE
N
O
T
E
6)
22"
(S
E
E
N
O
T
E
6
)4"44"21" MIN.24"
30"
20"
5"
6" OR 12"
ONE #3 BAR HOOP
FOR 6" HEIGHT
TWO #3 BAR HOOPS
FOR 12" HEIGHT
ALTERNATIVE PRECAST BASE SECTION
#3 BAR EACH SIDE
SECTION B-B
#3 BAR
HOOP
PROVIDE TOP SOIL PER
SPECIFICATION 32 92 004"PROVIDE HYDROSEEDING
PER HYDROSEEDING
NOTES NOT SHEET C3.2
TILL UNDERLYING SOIL
PRIOR TO TOPSOIL
INSTALLATION
1 NOT TO SCALE
CHAIN LINK FENCE
2 NOT TO SCALE
CATCH BASIN - TYPE 1
3 NOT TO SCALE
CATCH BASIN - TYPE 40
4 NOT TO SCALE
NEW LAWN