Mountain Meadows Civil PlansPO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
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PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
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PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
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PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
R
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
R
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
R
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
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PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
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PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
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PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
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RACCEPTABLE FILL MATERIALS: STORMTECH SC-740 CHAMBER SYSTEMS
PLEASE NOTE:
1. THE LISTED AASHTO DESIGNATIONS ARE FOR GRADATIONS ONLY. THE STONE MUST ALSO BE CLEAN, CRUSHED, ANGULAR. FOR EXAMPLE, A SPECIFICATION FOR #4 STONE WOULD STATE: "CLEAN, CRUSHED,
ANGULAR NO. 4 (AASHTO M43) STONE".
2. STORMTECH COMPACTION REQUIREMENTS ARE MET FOR 'A' LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 6" (150 mm) (MAX) LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR.
3. WHERE INFILTRATION SURFACES MAY BE COMPROMISED BY COMPACTION, FOR STANDARD DESIGN LOAD CONDITIONS, A FLAT SURFACE MAY BE ACHIEVED BY RAKING OR DRAGGING WITHOUT COMPACTION
EQUIPMENT. FOR SPECIAL LOAD DESIGNS, CONTACT STORMTECH FOR COMPACTION REQUIREMENTS.
NOTES:
1. SC-740 CHAMBERS SHALL CONFORM TO THE REQUIREMENTS OF ASTM F2418 "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION
CHAMBERS", OR ASTM F2922 "STANDARD SPECIFICATION FOR POLYETHYLENE (PE) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".
2. SC-740 CHAMBERS SHALL BE DESIGNED IN ACCORDANCE WITH ASTM F2787 "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER
COLLECTION CHAMBERS".
3. "ACCEPTABLE FILL MATERIALS" TABLE ABOVE PROVIDES MATERIAL LOCATIONS, DESCRIPTIONS, GRADATIONS, AND COMPACTION REQUIREMENTS FOR FOUNDATION, EMBEDMENT, AND FILL
MATERIALS.
4. THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR ASSESSING THE BEARING RESISTANCE (ALLOWABLE BEARING CAPACITY) OF THE SUBGRADE SOILS AND THE DEPTH OF FOUNDATION STONE
WITH CONSIDERATION FOR THE RANGE OF EXPECTED SOIL MOISTURE CONDITIONS.
5. PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS.
6. ONCE LAYER 'C' IS PLACED, ANY SOIL/MATERIAL CAN BE PLACED IN LAYER 'D' UP TO THE FINISHED GRADE. MOST PAVEMENT SUBBASE SOILS CAN BE USED TO REPLACE THE MATERIAL
REQUIREMENTS OF LAYER 'C' OR 'D' AT THE SITE DESIGN ENGINEER'S DISCRETION.
MATERIAL LOCATION DESCRIPTION
AASHTO MATERIAL
CLASSIFICATIONS
COMPACTION / DENSITY
REQUIREMENT
D
FINAL FILL: FILL MATERIAL FOR LAYER 'D' STARTS
FROM THE TOP OF THE 'C' LAYER TO THE BOTTOM
OF FLEXIBLE PAVEMENT OR UNPAVED FINISHED
GRADE ABOVE. NOTE THAT PAVEMENT SUBBASE
MAY BE PART OF THE 'D' LAYER
ANY SOIL/ROCK MATERIALS, NATIVE SOILS, OR PER
ENGINEER'S PLANS. CHECK PLANS FOR PAVEMENT
SUBGRADE REQUIREMENTS.
N/A
PREPARE PER SITE DESIGN ENGINEER'S PLANS.
PAVED INSTALLATIONS MAY HAVE STRINGENT
MATERIAL AND PREPARATION REQUIREMENTS.
C
INITIAL FILL: FILL MATERIAL FOR LAYER 'C'
STARTS FROM THE TOP OF THE EMBEDMENT
STONE ('B' LAYER) TO 18" (450 mm) ABOVE THE
TOP OF THE CHAMBER. NOTE THAT PAVEMENT
SUBBASE MAY BE A PART OF THE 'C' LAYER.
GRANULAR WELL-GRADED SOIL/AGGREGATE MIXTURES, <35%
FINES OR PROCESSED AGGREGATE.
MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU
OF THIS LAYER.
AASHTO M145 ¹
A-1, A-2-4, A-3
OR
AASHTO M43 ¹
3, 357, 4, 467, 5, 56, 57, 6, 67, 68, 7, 78, 8, 89,
9, 10
BEGIN COMPACTIONS AFTER 12" (300 mm) OF
MATERIAL OVER THE CHAMBERS IS REACHED.
COMPACT ADDITIONAL LAYERS IN 6" (150 mm) MAX
LIFTS TO A MIN. 95% PROCTOR DENSITY FOR
WELL GRADED MATERIAL AND 95% RELATIVE
DENSITY FOR PROCESSED AGGREGATE
MATERIALS. ROLLER GROSS VEHICLE WEIGHT
NOT TO EXCEED 12,000 lbs (53 kN). DYNAMIC
FORCE NOT TO EXCEED 20,000 lbs (89 kN).
B
EMBEDMENT STONE: FILL SURROUNDING THE
CHAMBERS FROM THE FOUNDATION STONE ('A'
LAYER) TO THE 'C' LAYER ABOVE.
CLEAN, CRUSHED, ANGULAR STONE, NOMINAL SIZE
DISTRIBUTION BETWEEN 3/4-2 INCH (20-50 mm)
AASHTO M43 ¹
3, 357, 4, 467, 5, 56, 57 NO COMPACTION REQUIRED.
A
FOUNDATION STONE: FILL BELOW CHAMBERS
FROM THE SUBGRADE UP TO THE FOOT (BOTTOM)
OF THE CHAMBER.
CLEAN, CRUSHED, ANGULAR STONE, NOMINAL SIZE
DISTRIBUTION BETWEEN 3/4-2 INCH (20-50 mm)
AASHTO M43 ¹
3, 357, 4, 467, 5, 56, 57
PLATE COMPACT OR ROLL TO ACHIEVE A FLAT
SURFACE. ² ³
18"
(450 mm) MIN*
8'
(2.4 m)
MAX
SUBGRADE SOILS
(SEE NOTE 5)
PAVEMENT LAYER (DESIGNED
BY SITE DESIGN ENGINEER)
SC-740
END CAP
6" (150 mm) MIN
D
C
B
A
PERIMETER STONE
(SEE NOTE 6)
EXCAVATION WALL
(CAN BE SLOPED OR VERTICAL)
12" (300 mm) MIN
ADS GEOSYNTHETICS 601T NON-WOVEN GEOTEXTILE ALL
AROUND CLEAN, CRUSHED, ANGULAR STONE IN A & B LAYERS
12" (300 mm) TYP51" (1295 mm)6"
(150 mm) MIN
30"
(760 mm)
12"
*TO BOTTOM OF FLEXIBLE PAVEMENT. FOR UNPAVED
INSTALLATIONS WHERE RUTTING FROM VEHICLES MAY OCCUR,
INCREASE COVER TO 24" (600 mm).
BOTTOM ELEV. = 320.00
NOTE:
SEE WSDOT STANDARD PLANS B-10.20-01
B-30.90-01 FOR ACCESS AND STEP/LADDER
LOCATION/ORIENTATION AND DETAILS.
BAYSAVER - BAYFILTER DETAIL (CB#9)
NTS
BAYFILTER
60-1 MANHOLE
PROJECT
LOCATION
WATER QUALITY FLOW 0.122 CFS
DRAINAGE AREA
CARTRIDGE DESIGN FLOW RATE 30 GPM
# BAYFILTER CARTRIDGES 2
TREATED SEDIMENT CAPACITY
CB#9
MOUNTAIN MEADOWS
INSPECTION PORT
12" X 12" ADS N-12 MANIFOLDWOVEN GEOTEXTILE OVER BEDDING STONE AND UNDERNEATH
CHAMBER FEET FOR SCOUR PROTECTION AT ALL CHAMBER INLET
ROWS
CB#10 30" NYLOPLASTFRAME AND COVER (MARKED
"STORM" PER WSDOT STANDARD
PLAN B-30.70-03
12"Ø OUTLET
TO CB#10
12"Ø INLET
FROM CB#3
OVERFLOW STANDPIPE
TOP ELEV.=324.00
SECTION A-A
12"Ø PIPE - OUTLET - 321.33
RIM - ±328.00
12"Ø PIPE - INLET - 324.00
NOTES:
1. INSPECTION PORTS MAY BE CONNECTED THROUGH ANY CHAMBER
CORRUGATION VALLEY
2. ALL SCHEDULE 40 FITTINGS TO BE SOLVENT CEMENTED.
CONNECTION DETAIL
NTS
8"
(200 mm)
4" (100 mm)
SCHED 40 PVC
COUPLING
4" (100 mm)
SCHED 40 PVC
4" (100 mm)
SCHED 40 PVC
CORE 4.5" (114 mm) Ø
HOLE IN CHAMBER
(4.5" HOLE SAW REQ'D)
ANY VALLEY
LOCATION
STORMTECH CHAMBER
4" (100 mm) SCHED 40
SCREW-IN CAP
NYLOPLAST 12" (300 mm)
INLINE DRAIN BODY W/SOLID
HINGED COVER OR GRATE
CONCRETE COLLAR
PAVEMENT
18" (450 mm) MIN WIDTH
8" (200 mm)
MIN THICKNESS
INSPECTION PORT DETAIL
NTS
24" CORED END CAP
FROM CB#9
IE ELEV. = 321.00
36" FRAME & COVER
ELEV. = 324.00
INSPECTION PORT (SEE STORMTECH
SC-740 INSPECTION PORT DETAIL)
STORMTECH END CAP
2 LAYERS OF ADS 315ST WOVEN GEOTEXTILE (OR EQUAL)
BETWEEN FOUNDATION STONE AND CHAMBERS
SC-740: 5'-6" [1.7 m] WIDE STRIP
SC-310: 4'-0" [1.2 m] WIDE STRIP
COVER ENTIRE ROW WITH ADS 601 NON-WOVEN
GEOTEXTILE (OR EQUAL)
SC-740: 8' [2.4 m] WIDE STRIP
SC-310: 5' [1.5 m] WIDE STRIP
ISOLATOR ROW DETAIL
NTS
ISOLATOR ROW
12"Ø INLET
FROM CB#1
12"Ø INLET
FROM CB#8
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
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PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
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R100
SIGN
3/8" TO1/2" R.3/8"3/8"3/8" TO1/2" R.A SHEET 1 OF 1 SHEET`CROSSWALKCURB RAMPLANDINGPEDESTRIAN CURB90° ANGLE4"(TYP.)COUNTER SLOPE5.0% MAX.`CROSSWALK5' - 0" MIN.BUFFERSTRIPTOP OFROADWAYBUFFERSTRIP5' - 0" MIN.PEDESTRIAN CROSSINGCLOSURE SIGNPEDESTRIAN CROSSINGCLOSURE SIGNFACE OF CURBFACE OF CURBCURB RAMPRADIUS MAYVARYLANDINGGRADEBREAKGRADE BREAKGRADE BREAKCURB RAMPMATCH SIDEWALK WIDTH ~ 4' 0" MIN.SEE CONTRACT PLANSBUFFER STRIP ~ SEECONTRACT PLANSCURB RAMPLANDINGLANDINGDETECTABLE WARNING SURFACE SEE STANDARD PLAN F-45.10DETECTABLE WARNING SURFACE SEE STANDARD PLAN F-45.103" R.3" R.3" R.1' - 0"SLOPE IN EITHER DIRECTIONSINGLE DIRECTIONCURB RAMPF-40.16-03GRADE BREAKMATCH SIDEWALK WIDTH ~ 4' 0" MIN.SEE CONTRACT PLANSCURB RAMPCURB RAMPSIDEWALK ~SEE NOTE 6SIDEWALK ~SEE NOTE 6GRADE BREAKSIDEWALK ~SEE NOTE 6GRADE BREAK"CEMENT CONCRETE CURB RAMPTYPE SINGLE DIRECTION B" PAY LIMIT ~ SEE NOTE 7"CEMENT CONCRETE CURB RAMP TYPE SINGLE DIRECTION A" PAY LIMIT ~ SEE NOTE 7SIDEWALK ~ SEE NOTE 6DETECTABLE WARNING SURFACE ~ SEE STANDARD PLAN F-45.10PEDESTRIAN CURB ~ SEE NOTE 10PEDESTRIAN CURB ~ SEE NOTE 10PEDESTRIAN CURB ~ SEE NOTE 10MATCH SIDEWALK WIDTH ~ 4' 0" MIN. ~ SEE CONTRACT PLANSSIDEWALK ~ SEE NOTE 61.2.3.4.5.6.7.8.9.*1.5 OR FLATTER RECOMMENDED FORDESIGN/FORMWORK (2% MAX.)**(ALONG INSIDE RADIUS AT BACK OF WALKWAY)7.5% OR FLATTER RECOMMENDED FORDESIGN/FORMWORK (8.3% MAX.)SEE NOTE 710.15' - 0" MAX (TYP.)SEE NOTE 815' - 0" MAX (TYP.)SEE NOTE 8*CURB AND GUTTER ~ SEE NOTE 5CURB AND GUTTER ~ SEE NOTE 5* *1" (IN) RADIUS CORNER3/8" (IN) EXPANSION JOINT ~ SEE STANDARD PLAN F-30.105' - 0" MIN. (TYP.)15' - 0" MAX (TYP.)SEE NOTE 8**DEPRESSED CURB AND GUTTER ~ SEE STANDARD PLAN F-10.12***** 3/8" (IN) EXPANSION JOINT ~ SEE STANDARD PLAN F-30.10DETECTABLE WARNINGSURFACE ~ SEE STANDARD PLAN F-45.10DEPRESSED CURB AND GUTTER ~ SEE NOTE 5*4"(TYP.)CONTRACTION JOINT (TYP.) ~ SEE STANDARD PLAN F-30.10 FOR CURB RAMP LENGTHS GREATER THAN 8' - 0" PROVIDE CONTRACTION JOINT EQUALLY SPACED 4' - 0" MIN. OC.*This plan is to be used where pedestrian crossing in one direction is not permitted. At marked crosswalks, the connection between the Landing and the roadway must be contained within the width of the crosswalk markings. Where "GRADE BREAK" is called out, the entire length of the grade break between the two adjacent surface planes shall be flush. Do not place Gratings, Junction Boxes, Access Covers, or other appurten-ances on any part of the Curb Ramp or Landing or in the Depressed Curb and Gutter where the Landing connects to the roadway. See Contract Plans for the curb design specified. See Standard Plan F-10.12 for Curb, Curb and Gutter, Depressed Curb, Gutter and Pedestrian Curb details. See Standard Plan F-30.10 for Cement Concrete Sidewalk Details. See Contract Plans for width and placement of sidewalk. The Bid Item "Cement Concrete Curb Ramp Type __" does not include the adjacent Curb, Curb and Gutter, Depressed Curb and Gutter, Pedestrian Curb, or Sidewalks. The Curb Ramp length is not required to exceed 15 feet (unless shownotherwise in the Contract Plans). When applying the 15-foot max. length(measured from back of sidewalk) the running slope of the curb ramp is allowed to exceed 8.3%. Use a single constant slope from bottom of ramp to top of ramp to match into the sidewalk over a horizontal distance of 15 feet. Curb Ramps and Landings shall receive a broom finish. See Standard Specifications 8-14. Pedestrian Curb may be omitted if the ground surface at the back of the Curb Ramp and/or Landing will be at the same elevation as the Curb Ramp or Landing and there will not be material to retain.4' - 0" MIN.4' - 0" MIN.SHEET 1 OF 1 SHEET0.65"0.9"0.45"1.2.3.4.CURB RAMP__0.90"2.40"1.60"1.40"6' MIN.15' MAX.6' MIN.15' MAX.RAILLANDINGCURB RAMP CURB RAMPLANDING0.2" 0.2"CURB RAMPSEE NOTE 35.6.SHOULDER2'- 0"MIN.6' - 0" MIN.WIDTH OF WALKWAYCURB AND GUTTERPATH ORWALKWAYWIDTH OF CURB RAMPCURB RAMP, LANDING, CUT-THROUGH OR WALKWAYMATCH TO WIDTH OF CURB RAMP,LANDING, CUT-THROUGH OR WALKWAYSHARED-USEPATH ORWALKWAYWIDTH OF SHARED- USE PATH ORWALKWAY (TYP.)WALKWAYWALKWAYFLAREFLAREWALKWAYWALKWAY WIDTH OF LANDINGBACK OF CURB ~ SEE NOTE 2(GRADE BREAK BETWEEN CURB ANDLANDING > 5 FT. FROM BACK OF CURB)WALKWAYCURB RAMPWIDTH OF WALKWAYWALKWAYLANDINGBACK OF CURB GRADE BREAKGRADE BREAK7.8.DETECTABLE WARNING SURFACE (DWS) ~ SEE NOTE 3PAVEMENT EDGE 2' - 0" MIN.(GRADE BREAK BETWEEN CURB AND LANDING ≤ 5 FT. FROM BACK OF CURB)LANDING2' - 0" MIN.2' - 0" MIN.BACK OF CURB ~SEE NOTE 2 BACK OF CURB ~SEE NOTE 2 BACK OF CURB ~SEE NOTE 2 DETECTABLE WARNING SURFACE (DWS) ~ SEE NOTES 4 & 7OFFSETSEE NOTE 8DETECTABLE WARNING SURFACE (DWS) ~ SEE NOTES 4 & 5WIDTH OF CUT-THROUGH (TYP.)BACK OF CURB ~SEE NOTE 2 BACK OF CURB ~SEE NOTE 2 BACK OF CURB ~SEE NOTE 2DETECTABLE WARNING SURFACE (DWS) ~SEE NOTE 4WIDTH OF CURB RAMP, LANDING, OR WALKWAYDIRECTION OFTRAVEL2' - 0" MIN. ~ TYP. OF ALL APPLICATIONSDETECTABLE WARNING SURFACE (DWS) ~ SEE NOTE 3 DETECTABLE WARNING SURFACE (TYP.) ~SEE NOTE 3DETECTABLE WARNINGSURFACE (TYP.) ~SEE NOTE 3 DETECTABLE WARNING SURFACE (DWS) ~ SEE NOTE 3 DETECTABLE WARNING SURFACE (DWS) ~ SEE NOTE 3 DETECTABLE WARNING SURFACEF-45.10-02SEE STANDARD SPECIFICATIONS FOR COLOR OF SURFACE WIDTH OF CUT-THROUGH (TYP.)WIDTH OF CUT-THROUGH (TYP.)The Detectable Warning Surface (DWS) shall extend the full width of the curb ramp, landing, or other roadway entrance as applicable. Exception: If the Manufacturer of the DWS requires a concrete border around the DWS, a variance of up to 2 inches on each side of the DWS is permitted. The Detectable Warning Surface (DWS) shall be placed at the back of curb, with thetwo leading corners of the DWS panel placed adjacent to the back of the curb, and with no more than a 2 inch gap between the DWS and the back of the curb measured at the center of the DWS panel. Exception: If the Manufacturer of the selected DWS requires a concrete border around the DWS, a variance of up to 2 inches from the back of the curb is permitted (measured at the leading corners of the DWS panel). The rows of truncated domes shall be aligned to be perpendicular to the grade break at the back of curb. The rows of truncated domes shall be aligned to be parallel to the direction of travel. If curb and gutter are not present, such as a shared-use path connection, the Detectable Warning Surface shall be placed at the pavement edge. See Standard Plans for sidewalk and curb ramp details. If a curb ramp is required, the location of the Detectable Warning Surface must be at the bottom of the ramp and within the required distance from the rail. When the grade break between the curb ramp and the landing is less than or equal to 5 ft. from the back of curb at all points, place the Detectable Warning Surface on the bottom of the curb ramp directly above the grade break.
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
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PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
R
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
R
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
R
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
R
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
R
PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
ITHOT EP
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PO Box 12690Olympia, WA 98508360.705.2474Www.olyeng.com CHRIM.MERSTR
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