HomeMy WebLinkAboutPlan, Final APPLICANT 5/22/2019ENGINEER'S NOTE
THE ENGINEER PREPARING THESE PLANS WILL NOT BE RESPONSIBLE FOR, OR LIABLE FOR, UNAUTHORIZED CHANGES TO OR
USES OF THESE PLANS. ALL CHANGES TO THE PLANS MUST BE IN WRITING AND MUST BE APPROVED BY THE PREPARER OF
THESE PLANS AND THE CITY OF SPRINGFIELD. CONSTRUCTION CONTRACTOR AGREES THAT IN ACCORDANCE WITH GENERALLY
ACCEPTED CONSTRUCTION PRACTICES, CONSTRUCTION CONTRACTOR WILL BE REQUIRED TO ASSUME SOLE AND COMPLETE
RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THE PROJECT INCLUDING SAFETY OF
ALL PERSONS AND PROPERTY, THAT THIS REQUIREMENT SHALL BE MADE TO APPLY CONTINUOUSLY AND NOT BE LIMITED TO
NORMAL WORKING HOURS, AND CONSTRUCTION CONTRACTOR FURTHER AGREES TO DEFEND INDEMNIFY AND HOLD DESIGN
PROFESSIONALS HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF
WORK ON THIS PROJECT, EXCEPTING LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF DESIGN PROFESSIONAL.
NOTICE TO CONTRACTOR
THE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITIES OR STRUCTURES SHOWN ON THESE PLANS ARE OBTAINED BY
A SEARCH OF AVAILABLE RECORDS. TO THE BEST OF OUR KNOWLEDGE THERE ARE NO EXISTING UTILITIES EXCEPT THOSE
SHOWN ON THIS PLAN. THE CONTRACTOR IS REQUIRED TO TAKE ALL PRECAUTIONARY MEASURES TO PROTECT THE UTILITIES
SHOWN, AND ANY OTHER LINES OR STRUCTURES NOT SHOWN ON THESE. PLANS, AND IS RESPONSIBLE FOR THE PROTECTION
OF, AND ANY DAMAGE TO THESE LINES OR STRUCTURES. THE ESTIMATED QUANTITIES ARE ONLY FOR THE PURPOSE OF
OBTAINING THE NECESSARY PERMITS, AND THE FAVREAU GROUP DOES NOT GUARANTEE THE ACCURACY OF THE ESTIMATED
QUANTITIES. THE CONTRACTOR SHALL PERFORM HIS OWN QUANTITY TAKEOFF BEFORE SUBMITTING A BID FOR ANY PORTION OF
THE IMPROVEMENTS COVERED BY THESE PLANS. THE CONTRACTOR SHALL VERIFY ALL CONDITIONS AND DIMENSIONS AND
SHALL REPORT DISCREPANCIES TO THE ENGINEER PRIOR TO COMMENCEMENT OF WORK.
R/W
7' 0. 5'
LINE TOP OF SWALE WITH P. U. E. TOP OF WALL TO MATCH
JUTE EROSION BLANKET /TOP OF CURB
3:1 SLOPE
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24" TOPSOIL—yl P.
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TOP OF CURB
TOP OF WALL WIDTH = 6"
BOTTOM OF WALL WIDTH- 12"
HEIGHT - 30"
6" SAND
NATIVE SOIL
\\-12" INLET
1. THE THICKNESS OF THE CONSTRUCTED MEDIUM, INCLUDING OR IN ADDITION TO THE
GROWING MEDIUM, AT THE BASE OF THE SWALE SHALL BE A MINIMUM OF 24 INCHES THICK.
2. THE BASE OF THE SWALE SHALL INCLUDE A CONSTRUCTED MEDIUM COMPRISING A MIXTURE
OF SAND, NATIVE SOIL, LOAM, AND COMPOST. THE FRACTION OF ORGANIC CARBON (FOC) IN
THE CONSTRUCTED MEDIUM SHALL BE A MINIMUM OF 0.20 (I.E., 40-50%) ORGANIC MATTER.
IF THE GROWING MEDIUM DOES NOT CONFORM TO THIS MINIMUM FOC REQUIREMENT, THEN THE
CONSTRUCTED MEDIUM WOULD BE PLACED IN ADDITION TO THE REQUIRED GROWING MEDIUM.
3. SEE STORMWATER PLANTER PLANTING SCHEDULE BELOW.
EQUAL NUMBER OF PLANTS FOR EACH ZONE SPACED ONE FOOT ON CENTER OVER THE ENTIRE FACILITY
TOTAL PLANTER AREA - 975 SQUARE FEET
ZONE A (BELOW ELEVATION 440.85) ZONE B (ABOVE ELEVATION 440.85)
7' Dl�',-7� I'll 40 EA.'
CAREX OBNUPTA 4" POTS (360 EA.) CAMASSIA QUAMASH 4
JUNCUS PATENS 4" POTS (360 EA.) DESCHAMPSIA CAESPITOSA 4" POTS (140' EA.)
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6" SOLID.._PIPE 6" PERFORATED PIPE
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RAIN ROCK. WRAPPED IN FILTER FABRIC
LENGTH PER PLAN
WIDTH = PER PLAN
ORENCO CATCH BASIN
MODEL SCB1236-L
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SOAKAGE TRENCH NOTES:
1. SOAKAGE TRENCH -- 6' DEEP BY 210 SQUARE FEET OR GREATER.
2. TOTAL IMPERVIOUS AREA DRAINED - 3,750 SQUARE FEET.
3. FILTER FABRIC MUST BE ONE OF THE FOLLOWING TYPES/BRANDS: LINQ 125EX; LINQ TYPAR3201; TNS
E040; TNS R035; TNS R040; TNS R042; AMOCO 4535; MARAFI 140NL.
4. DRAINAGE ROCK SHALL BE A MIN'IMUM 2 1/2" TO 1 1/2" DRAIN ROCK.
5. THE PIPE WITHIN THE TRENCH SHALL EITHER BE PCV D2729 OR HDPE LEACH FIELD PIPE.
6. THE TRENCH BOTTOM IS TO BE INSTALLED LEVEL IN ALL DIRECTIONS AND A MINIMUM OF 24" INTO
NATIVE BAR RUN THAT HAS A MINIMUM INFILTRATION RATE OF 4" PER HOUR.
7. SOAKAGE TRENCH TO BE A MINIMUM OF 10' FROM ANY BUILDING.
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INSTALL 8" PVC STORM DRAIN
CONNECT TO EXISTING STORM DRAIN
CONSTRUCT SOAKAGE TRENCH PER DETAIL HEREON AND SIZE PER PLAN
INSTALL 6" PVC STORM DRAIN
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INSTALL 6" INLET WITH METAL GRATE
INSTALL TRENCH DRAIN PER ARCHITECT'S PLANS
INSTALL WELL PROTECTION SIGN PER SUB REQUIREMENTS
CONNECT TO EXISTING 10" SANITARY SEWER. PAVEMENT REPAIR PER CITY STANDARD 4-16
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