HomeMy WebLinkAboutSD.5_STORM DRAIN - DETAILS 3 ENCLOSE TOP & SIDES OF ROCK
WITH NON WOVEN GEOTEXTILE FABRIC
SAND/GREASE TRAP (ISPWC SD-624) OR
SEDIMENT MANHOLE (ISPWC SD-61 1) 1-FT MIN TYP 6" MIN TYP 18" DIA. HDPE OR PVC
18" DIA. CORRUGATED HDPE IF INSTALLED WITH CHAMBERS/ PERFORATED PER
RING & OR PVC PIPE PERFORATED PER CHIPS, INSTALL WOVEN ENCLOSE TOP & SIDES OF ROCK SCHEDULE BELOW
COO VER PER WITH NON WOVEN FILTER FABRIC
PERFORATION SCHEDULE GEOTEXTILE TO SEPARATE CHIPS OBSERVATION R WELL #1
ISPWC SD-617 SEE COVE
AND DRAIN ROCK � rON OPPOSITE SIDE OF STREET IN SIDEWALK OR
(TYP) TREES & SHRUBS NOTES i
ARE NOT PERMITTED OBSERVATION OPTIONAL STORMWATER STORAGE "-2" CHIPS; MIN 50' DISTANCE
ON TOP OF SEEPAGE WELL CHAMBERS, SHAPE & SIZE ewa
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BED VARY PER MANUFACTURER c
ELEV BOTTOM PERF <= EE COVER \\ /\//\/\\/ ° 18 12"
l /\\ \//\j\\ WOVEN GEOTEXTILE BETWEEN
ELEV BOTTOM BAFFLE 1 + NOTES \ \//\\\\\/\� CHIPS AND 2" DRAIN ROCK w —12" DIA. HDPE
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5' ° ° ° ° ° ° ° 18" ° ° ° ° ° ° ° ° \�\j\\�\\\�\�\ OVERLAP WOVEN AND NON w OR PVC ® ® ® ® a y
SEE STD ° ° ° ° ° ° \%j\% \ \i\j\\ WOVEN GEOTEXTILE A MIN OF _ __ __ __ I = PERFORATED c = E N
NOTE 1 1 0% SLOPE 0% SLOPE \j\\NATIVE\\\�\ 1-FT ON ALL SIDES `2' WASHED DRAIN w 2" WASHED DRAIN w PER SCHEDULE p a o 3 .
\� \\�\\� ROCK OR CHIPS> w ROCK OR CHIPS> Q g BELOW SEE v y d `a o
NOTE 11
O O O a- O O ewa o N
\\j\\/ NATIVE \\�\%\\ \\j 2" WASHED VARIES-SEE 2" WASHED \\/ \�/\�\\/ I o Q E o o Ta N
SOIL DRAIN ROCK PLAN SHEETS DRAIN ROCK \%\\\ . . ::. .:' ® ® MAINTENANCE
\\ \i- / v�v� �-�� \\\\\i%\� \� 1.5-FT . : :.:: ::• l 1.5-FT DIVERSION STRUCTURE WITH ® ACCESS TO p
RAISED INVERT OR WEIR WALL L r
1 STRUCTURES
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5' OF 18" SOLID ASTM C33 ASTM C33 f ASTM C33 E W
1' y N
WALL PIPE WITH 1.5-FT WIDTH VARIES y
FILTER SAND.::.1 :.'' "'FILTER SAND;:::, '. , FILTER HIGH FLOW BYPASS PIPE WQ PIPE,
4" OF 4" PIPE BEDDING = 3-FT PER PLAN SAND 15' MAX WIDTH 11 ON BMP 20 PERF TOP HALF EL =
SEE NOTE rw aTa
NONWOVEN FILTER FABRIC. OVERLAP TRANSITION 5-FT IN -ELEVATIMMAX SOC;W (1 of 3) a- m
MINIMUM OF 1-FT TOP AND BED NON-PERFORATED OPTIONAL CHAMBER STANDARD a-
SIDES ONLY TO PERFORATED PIPE SECTION SECTION A-A
SECTION Li
N.T.S. N.T.S. a-
NOTES: N.T.S. OBSERVATION 00
WELL #1 1. BMP 1-4 OR VEGETATED PRETREATMENT IS REQUIRED. �� WIDTH 4 PLAN-SEEPAGE BED
2. CONTACT DESIGN PROFESSIONAL FOR SEEPAGE BED REDESIGN IF GROUNDWATER IS ENCOUNTERED ABOVE # S �5 4S, OUTSIDE ROADWAY SEEPAGE BED
MAX HSGW ELEVATION ,
3. ALL VAULTS, MANHOLES, & SAND AND GREASE TRAPS SHALL BE HS25 OR GREATER LOAD RATED lybyc- p91 N.T.S. CONTACT DKLM�E
4. SEEPAGE BED SHALL BE SHOWN ON BOTH PLAN AND PROFILE VIEWS Ln OBSERVATION WELL #1 48-HOUR$
5. OPTIONAL CHAMBERS PER MANUFACTURERS SPECIFICATIONS ON OPPOSITE SIDE OF STREET IN SIDEWALK OR
6. ALL GEOTEXTILE SEAMS SHALL OVERLAP 1 FOOT MINIMUM } � � BEFORE DKnNC
7. EL. IN >= EL. BOTTOM PERFORATIONS IN 1811 PERF PIPE �4S•i h5 Sidewalk
8. MAXIMUM BED LENGTH IS 400-FT BETWEEN MANHOLES A A 18" PERF PIPE 12" PERF PIPE
9. BED WIDTH SHALL REMAIN CONSTANT WQ BYPASS SEE NOTE 11
10. WATERTIGHT CONNECTION REQUIRED c�
11. HIGH FLOW BYPASS PIPE ONLY NEEDED IF Q100 VELOCITY THROUGH STRUCTURE > 0.5 FPS z OBSERVATION PERFORATION SCHEDULE
J &WELL #2 3/8" PERFORATIONS IN VALLEYS HI FLOW BYPAS PIPE SD PIPE
COVER NOTES: ACROSS STREET OF CORRUGATED PIPE. 5 EA ON ® —�
FOR SEEPAGE BEDS OUTSIDE PUBLIC RIGHT-OF-WAY: WITHIN SIDEWALK (1 NOTE 11 ON M W
18 8 EA ON 12" (1 of 3) 71 J �
1. A MINIMUM 1.5-FT COVER FROM TOP OF BED TO FINISH GRADE IS REQUIRED J 2
FOR SEEPAGE BEDS IN PUBLIC RIGHT-OF-WAY: k:t SLIEPA(�E HE I A _]�P,:F_ 2IP� ® a
1. A MINIMUM 1.0-FT COVER FROM TOP OF BED TO PAVEMENT SUBGRADE IS REQUIRED Sidewalk LLI z
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--BACKFILL OVER BED TO SUBGRADE WITH 6"-8" MINUS PITRUN so
-WOVEN GEOTEXTILE FABRIC REQUIRED OVER TOP OF BED A o Q ; Q
-TOP OF BED UNDER SIDEWALK SHALL BE MIN 1.0-FT BELOW PAVEMENT SUBGRADE OBSERVATION WELLS: 2 REQUIRED PER BED PLAN =
2. IF < 1.0-FT COVER FROM TOP OF BED TO SUBGRADE, ANGULAR 4" TO 2" ROCK IS REQUIRED WITH N.T.S. WQ PIPE, DIVERSION STRUCTURE WITH 0 0
ui MINIMUM 50% SINGLE FRACTURED FACE IN PLACE OF 2" DRAIN ROCK. PERF TOP HALF RAISED INV OR WEIR WALL Q Z) Lu
3. FULL ROADWAY SECTION IS REQUIRED OVER SEEPAGE BEDS. SEEPAGE BEDS SHALL NOT EXTEND ABOVE � (A W
REQUIREMENTS FOR FACILITIES IN RIGHT-OF-WAY Q
SUBGRADE PLAN-SEEPAGE BED �
4. THE DESIGN PROFESSIONAL IS SOLELY RESPONSIBLE FOR ASSESSING THE BEARING RESISTANCE OF THE 1. BED IS LIMITED TO AREA WITHIN 5-FT OF CURB FACE UNDER ROADWAY; UNDER SIDEWALK Q 0�
SUBGRADE SOILS AND DETERMINING THE DEPTH OF FOUNDATION STONE 2. NO GREATER THAN 10-FEET IN DEPTH TO THE BOTTOM OF THE ROCK; 0
SEE BMP 20 SHEET 2 OF 3 FOR ADDITIONAL NOTES 3. MAY NOT EXTEND OUTSIDE OF THE RIGHT-OF-WAY (MAY NOT ENCROACH ON PRIVATE LOT IN AN EASEMENT); N.T.S. �Q w CQ')
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ACHD STORMWATER DESIGN SEEPAGE BED WITH ACHD STORMWATER DESIGN SEEPAGE BED WITH ACHD STORMWATER DESIGN SEEPAGE BED W ITH
GUIDELINES OPTIONAL CHAMBERS BMP 20 GUIDELINES OPTIONAL CHAMBERS BMP 20 GUIDELINES OPTIONAL CHAMBERS BMP 20
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N.T.S. Z N
2015 Q� JOB NUMBER: 1
IDAHO STANDARDS " STANDARD DRAWING IDB2355 m
FOR PUBLIC WORKS STANDARD 8 TRAFFIC NO c DATE: 6-9-23
CONSTRUCTION RATED CLEAN - OUT SD- 506 SHEET NUMBER: c*
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