HomeMy WebLinkAboutC1.57 SWPPP Details V120213
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A R C H I T E C T U R E ● P L A N N I N G ● I N T E R I O R S
REV DESCRIPTION DATE
2700 E. Overland Rd.
Meridian, ID 83642
SEASONS AT MERIDIAN
NEWMAN GARRISON + PARTNERS, INC
COPY RIGHT 2019 NEWMAN GARRISON + PARTNERS
MORGAN HOLDINGS &
STONE HILL
38 Glen Gary Dr., Ste. 200
Aspen, CO 81611
7301 Peak Dr., Ste. 200
Las Vegas, NV 89128
TLG PN: 120124
A DELTA A 07/22/2022
C1.57
SWPPP Details
PROFILE
PLAN VIEW
CONSTRUCTION SPECIFICATIONS
1. STONE SIZE-USE CRUSHED 2" STONE OR RECLAIMED OR RECYCLED
CONCRETE EQUIVALENT FOR TOP LAYER, 2"-8" DIAMETER FOR BASE
LAYER.
2. LENGTH-AS REQUIRED, BUT NOT LESS THAN 50 FEET (EXCEPT ON A
SINGLE RESIDENCE LOT WHERE A 30 FOOT MINIMUM LENGTH WOULD
APPLY).
3. THICKNESS-NOT LESS THAN 6 INCHES.
4. WIDTH-10 FOOT MINIMUM, BUT NOT LESS THAN THE FULL WIDTH AT
POINTS WHERE INGRESS OR EGRESS OCCURS.
5. FILTER CLOTH-WILL BE PLACED OVER THE ENTIRE AREA PRIOR TO
PLACING OF STONE. FILTER WILL NOT BE REQUIRED ON A SINGLE
FAMILY RESIDENCE LOT.
6. ALL SURFACE WATER FLOWING OR DIVERTED TOWARD CONSTRUCTION
ENTRANCES SHALL BE PIPED ACROSS THE ENTRANCE. IF PIPING IS
IMPRACTICAL, A MOUNTABLE BERM WITH 5:1 SLOPES WILL BE
PERMITTED.
7. MAINTENANCE-THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION
WHICH WILL PREVENT TRACKING OR FLOWING OF SEDIMENT ONTO
PUBLIC RIGHT-OF-WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING
WITH ADDITIONAL STONE AS CONDITIONS DEMAND AND REPAIR AND/OR
CLEANOUT OF ANY MEASURES USED TO TRAP SEDIMENT. ALL
SEDIMENT SPILLED, DROPPED, WASHED OR TRACKED ONTO PUBLIC
RIGHT-OF-WAY MUST BE REMOVED IMMEDIATELY.
8. WASHING-WHEELS SHALL BE CLEANED TO REMOVE SEDIMENT PRIOR
TO ENTRANCE ONTO PUBLIC RIGHT-OF-WAY. WHEN WASHING IS
REQUIRED, IT SHALL BE DONE ON AN AREA STABILIZED WITH STONE
AND WHICH DRAINS INTO AN APPROVED SEDIMENT TRAPPING DEVICE.
9. PERIODIC INSPECTION AND NEEDED MAINTENANCE SHALL BE PROVIDED
AFTER EACH RAIN.
10' MINIMUM
50' MINIMUM
6" MIN.
FILTER CLOTH MOUNTABLE BERM
(OPTIONAL)
EXISTING GRADE
10'
10'10'
EXISTING
PAVEMENT
50' MINIMUM
1
Stabilized Construction Entrance (BMP 40)
Scale: NTS
NOTES
1. DIMENSIONS VARY. RESPONSIBLE PERSON SHALL SIZE BASIN APPROPRIATELY.
CONCRETE
WASHOUT
VARIES 5' (TYP.)
10 MIL (MIN.)
PLASTIC LINER
VARIES 3' (TYP.)
VARIES 5' (TYP.)
VARIES 1' (TYP.)
POST SIGN NEAR BASIN
6
Concrete Washout (BMP 49)
Scale: NTS
WOOD STAKE
SEE WOOD STAKE
DETAIL THIS SHEET
SEE WOOD STAKE
DETAIL THIS SHEET
FIBER WATTLES
4
Fiber Roll (BMP 64)
Scale: NTS
24" MINIMUM
FIBER WATTLE
WOOD STAKE
SLOPE SURFACE
TRENCH
DOWN SLOPE
5
Fiber Roll Stake Section (BMP 64)
Scale: NTS
Waters of the US Map
PROJECT
LOCATION
RIDENBAUGH CANAL
NOT ASSESSED
LIFT STRAPS, FRAME OR OTHER
METHOD OF LIFTING BAG FOR
MAINTENANCE
REQUIRED OVERFLOW PORTS OR
METHOD FOR OVERFLOW IN
LARGE STORM EVENTS
STORM INLET
STORM SEWER GRATE
REINFORCED CORNERS OR
METAL FRAME
2-FT MINIMUM
CONTAINMENT BAG
NOTES:
1. APPROVED MANUFACTURES:
DANDYSACK
TM
OR FLEXSTORM
TM
2. INSPECT AT FREQUENCY DESCRIBED IN
ESC/SWPPP DOCUMENTS. REPAIR OR
REPLACE AS NEEDED.
3. REMOVE SEDIMENT ACCUMULATIONS
WHEN FILTER CAPACITY IS REDUCED
BY 50%.
2
Drop Inlet Protection Type I (BMP 13)
Scale: NTS
FIVE MILE CREEK
CATEGORY: 5 - 305D LISTED
TMDL 64560 - LOWER BOISE RIVER
BACTERIA & SEDIMENTATION
STORM GRATE
CURB OPENING
LIFT STRAPS, FRAME OR
OTHER METHOD OF LIFTING
BAG FOR MAINTENANCE
ROLLED CURB FILTER
OR FLAP ANCHORED
BEHIND CURB
REQUIRED OVERFLOW
PORTS OR METHOD FOR
OVERFLOW IN LARGE STORM
EVENTS
REINFORCED CORNERS OR
METAL FRAME
2-FT MINIMUM
CONTAINMENT BAG
NOTES:
1. APPROVED MANUFACTURES:
DANDYSACK
TM
OR FLEXSTORM
TM
2. INSPECT AT FREQUENCY DESCRIBED IN
ESC/SWPPP DOCUMENTS. REPAIR OR
REPLACE AS NEEDED.
3. REMOVE SEDIMENT ACCUMULATIONS
WHEN FILTER CAPACITY IS REDUCED
BY 50%.
3
Drop Inlet Protection Type II (BMP 31)
Scale: NTS
EIGHT MILE CTREEK
PERENNIAL STREAM
CATEGORY: 4A - 305D LISTED
TMDL 64560 - LOWER BOISE RIVER
BACTERIA
TEN MILE CREEK
CATEGORY: 5 - 305D LISTED
TMDL 64560 - LOWER BOISE RIVER
BACTERIA & SEDIMENTATION
INTERMITTENT STREAM
CATEGORY: 4A - 305D LISTED
TMDL 64560 - LOWER BOISE RIVER
BACTERIA
1
4
SEASONAL HIGH
WATER EL.
1
2
NOTES:
1. THE SWPPP COORDINATOR IS RESPONSIBLE FOR PROPER BASIN SIZING.
2. CONTRACTOR SHALL PLACE OVERFLOW PIPE IN LOCATION THAT DIRECTS WATER AWAY FROM
ADJACENT PROPERTIES. IN NO INSTANCE SHALL WATER BE ALLOWED TO DISCHARGE OFFSITE
WITHOUT APPROVAL FROM THE RECEIVING AGENCY AND THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY.
3. BOTTOM OF BASIN TO BE CONSTRUCTED A MINIMUM OF 3-FEET ABOVE THE ESTABLISHED SEASONAL
HIGH GROUND WATER LEVEL.
4. REFER TO IDEQ BMP NO. 46 (PROVIDED IN APPENDIX OF NARRATIVE) FOR ADDITIONAL REQUIREMENTS
REGARDING DEWATERING.
1'
DEPTH VARIES
3'
EXISTING GROUND
8" OVERFLOW OUTLET PIPE
7
Dewatering Basin With Overflow Outlet (BMP 46)
Scale: NTS
FABRIC ANCHOR DETAIL
ELEVATION
NOTES:
1. TEMPORARY SEDIMENT FENCE SHALL BE INSTALLED PRIOR TO ANY GRADING WORK IN THE AREA TO BE PROTECTED.
THEY SHALL BE MAINTAINED THROUGHOUT THE CONSTRUCTION PERIOD AND REMOVED IN CONJUNCTION WITH THE
FINAL GRADING AND SITE STABILIZATION.
2. FILTER FABRIC SHALL BE CLASS 1 WITH EQUIVALENT OPENING SIZE OF AT LEAST 30 FOR NONWOVEN AND 50 FOR
WOVEN.
3. FENCE POSTS SHALL BE EITHER STANDARD STEEL POST OR WOOD POST WITH A MINIMUM CROSS-SECTIONAL AREA OF
3.0 SQ. IN.
6" MIN.
6" MIN.
FASTNER - MINIMUM NO. 10 GAGE WIRE
(4 PER POST REQ'D)
FILTER FABRIC
EXISTING GROUND
COMPACTED NATIVE MATERIAL
FILTER FABRIC
8
Silt Fence Install 1 (BMP 36)
Scale: NTS
OPTION #2 - WOOD MULCH
OPTION #1 - STRAW MULCH
NOTES:
1. PREPARE SOIL SURFACE AND SEED WITH RECOMMENDED SEED MIX PRIOR TO
APPLICATION OF THE MULCH.
2. ALL MULCHING SHALL COVER 100% OF THE GROUND SURFACE.
3. MULCHES GENERALLY REDUCE THE FERTILITY OF THE SOIL THEREFORE,
FERTILIZER TREATMENTS MAY BE REQUIRED.
FINISH GRADE
FINISH GRADE
2"-3" LAYER OF STRAW (TRACKED IN) IF BEING USED
TO COVER THE SOIL SURFACE FOR AN EXTENDED
PERIOD OF TIME (GREATER THAN 2 WEEKS) AND
ADDITIONAL EARTHWORK IS EXPECTED IN THE
FUTURE
1"-2" LAYER OF SHREDDED WOOD OR BARK CHIPS
9
Mulch
Scale: NTS
07-22-2022 (100% CD) CD SET
0 8 / 0 3 / 2 2
09/27/22
FPS-2022-0022