Loading...
HomeMy WebLinkAboutC4.12_Grading and Drainage Q U O QN TOP of FILL GRADING NOTES AND VOLUMES: a IT 9 a) FILL SLOPE * N NOTE: SURFACE MODEL 7GRADESTO C� °'STRIP VOLUME [6" STRIP] = t9,040 cy CUT 'DESIGN GRADES' SHOWN T *CUT & REMOVE OFFSITE, LESS t1,250 c TO BE USED IN FRANKLIN RD BERM. J y BUILDING PADS. CALCULATIONS DO �� Z PARKING LOT EXCAVATION TO SUBGRADE (FROM STRIPPED SURFACE) NOT ACCOUNT FOR IMPORT OF 3/4" L CUT TO SUBGRADE= t6,238 cy FREE-DRAINING GRANULAR MAT Z FILL TO SUBGRADE = t12 cy MATERIAL RECOMMENDED BELOW SLAB-ON-GRADE FOUNDATIONS OR ry NET = t6,226 cy CUT IMPORT = a w 2:1 MAX NATURAL SLOPE C110NOMATE MATERIAL. F ANY PARKING AREA ■� Q NET EXCAVATE UTILITIES, SD E FACILTIES = t1,682 cy CUT = Z FILL SOILS ON SITE N - � Z w p CUT/FILL TO FINAL GRADE (FROM STRIPPED SURFACE) W ~ MATERIAL AS APPROVED W BY GEOTECHNICAL ENGINEER CUT TO FG = t373 cy CUT/ p / FILL TO FG = ±10,497 cy - 1,250 cy (BERM*) =9,247 cy FILL W w I Z Lu ■� U) � I NET = t8,874 cy FILL M Q 55 NET IMPORT = ±966 cy FILL W a m � 0 1 REMOVE UNSUITABLE I ; - O � MATERIAL j ALL CALCULATIONS ARE RAW VOLUMES BASED ON ROAD AND FINAL SURFACE ? w J O BENCH HEIGHTS SHALL MODELS DEPICTED ON THIS GRADING PLAN. THESE NUMBERS MAY VARY DUE c7 m NOT EXCEED 5 FEET TO ACTUAL SOIL COMPACTION AND SOIL SHRINKAGE. C� w J� J H/5 OR 2' MIN J STRUCTURAL FILL PLACEMENT KEY MUST BE PROVIDED PER IBC + + + + S�pNAL F J107.3 IF FILL VERTICAL FEET. HEIGHT EXCEEDS 5 BASED ON 2012 IBC FIGURES J107.3 & J108.1 + + + + + ENTRANCE STOOP o����C'\STFQ�C42, NOT TO SCALE + + + + + + J ° 1.60% 09/01/2023� -�' + ��VARIES�� 17882 '` 5% MAX SLOPE TO ,{ \ + + + + + + + Niy'/l f� L SITE GRADING \ + + + + + + + SIDEWALK + 9 1. ALL GRADING SHALL BE IN ACCORDANCE WITH THE APPROVED GRADING PLAN. \_ + + + BUILDING FF Ir, F OF \� \ �N S. CAP 2. A CONSTRUCTION PROJECT SCHEDULE SHALL BE SUBMITTED TO THE ENGINEER FOR APPROVAL AND SHALL BE PERIODICALLY UPDATED IF CONDITIONS OR \ NOTE: DISTANCE TO 1/2" MAX STEP SIDEWALK AT SCHEDULES CHANGE. CONSTRUCTION SHALL BE SCHEDULED TO MINIMIZE SOIL DISTURBANCE. ALL DISTURBED SURFACES SHALL BE STABILIZED IN A \ BUILDING VARIES. FROM 2.0% MAX TEMPORARY OR PERMANENT MANNER AS APPROPRIATE DURING CONSTRUCTION TO PREVENT SOIL EROSION. \ BUILDING TO CHECKED BY: STOOP DAVID A. BAILEY P.E. 3. THE CONTRACTOR SHALL REVIEW AND FOLLOW ALL RECOMMENDATIONS PROVIDED IN THE GEOTECHNICAL ENGINEERING REPORT PREPARED BY ATLAS, \' '� DATED FEBRUARY 25, 2022. �\ POSSIBLE DOWNSPOUT LOCATION © I 3 I DRAWN BY: TYPICAL UNIT ENTRANCE KSC 4. ORGANIC SOILS SHALL BE REMOVED AS RECOMMENDED IN THE GEOTECHNICAL REPORT AND WASTED OR STOCKPILED FOR USE IN FINE GRADING. _ SECTION 5. PRIOR TO COMMENCING STRUCTURAL FILL, THE EXISTING SITE DEBRIS MUST BE REMOVED, THE NATIVE SOILS STRIPPED OF ALL ORGANIC MATERIAL, 1J NOT TO SCALE STOCKPILES OF SUITABLE MATERIAL SHALL BE SEGREGATED FROM UNSUITABLE MATERIALS. ALL WASTE AND HIGHLY ORGANIC OR OTHERWISE CONTAMINATED SOILS SHALL BE REMOVED FROM THE SITE AND NOT STOCKPILED FOR ANY PERIOD OF TIME. WHERE PRACTICAL, STOCKPILES OF MATERIALS TO BE USED NOTE: 1. CONVEYANCE SWALES TO EXTEND AS STRUCTURAL FILL SHALL BE PLACED ON NATIVE, STRIPPED SOILS TO PREVENT CONTAMINATION. LOCATIONS THAT DO NOT DRAIN DIRECTLY ALL DOWNSPOUT INTO 6. EXACT REMOVAL DEPTHS OF ORGANIC MATERIALS SHALL BE DETERMINED DURING GRADING OPERATIONS BY A QUALIFIED GEOTECHNICAL REPRESENTATIVE INFILTRATION SWALE. 2. CONVEYANCE SWALES MAY SERVE MULTIPLE BUILDINGS AND/OR THE PROJECT ENGINEER, AND SHALL BE BASED ON SUBGRADE SOIL TYPE, COMPOSITION, AND FIRMNESS OR SOIL STABILITY. THAT DRAIN TO SAME INFILTRATION SWALE VARIES 7. ALL MATERIAL USED FOR STRUCTURAL FILL SHALL MEET THE REQUIREMENTS FOR STRUCTURAL FILL AS DESCRIBED IN THE GEOLOGY AND GEOTECHNICAL 3. TOP OF BANK A POINT FARTHEST FROM INFILTRATION NOTES: (5' MIN) SWALE SHALL MATCH TOP OF INFILTRATION SWALE. 0 BANKS OF SWALE CAN BE WIDENED TO AVOID REPORT. STRUCTURAL FILL MUST BE USED WHERE FILL HEIGHT EXCEEDS ONE (1) VERTICAL FOOT OR WHERE RECOMMENDED BY REFERENCED GEOTECHNICAL 4. GUTTERS MAY BE PIPED DIRECTLY TO INFILTRATION ABRUPT DITCHES BETWEEN BUILDINGS. 7 REPORT. SWALES WITH USE OF NDS POP-UP DRAIN EMITTER OR GRADING CONTRACTOR/LANDSCAPER CAN SHEET 20 5' VARIES zz APPROVED EQUIVALENT. LD FLOW RUNOFF AWAY FROM STRUCTURES TO LD 8. STRUCTURAL FILL SHALL BE PLACED IN ACCORDANCE WITH THE REQUIREMENTS OF THE GEOLOGY AND GEOTECHNICAL REPORT AND COMPACTION SHALL 5. SWALES ARE SHOWN IN PLAN VIEW THROUGHOUT INFILTRATION SWALES IN LIEU OF CONSTRUCTING 1.4% DESIGN BE SUPERVISED BY A QUALIFIED GEOTECHNICAL REPRESENTATIVE AND/OR THE PROJECT ENGINEER. MATERIAL SHALL BE PLACED IN 8" LIFTS UNLESS GRADING PLAN SET. CONTRACTOR TO ROUTE SWALES GARAGE SLOPE CONVEYANCE SWALES PENDING INTERNATIONAL BUILDING FF OTHERWISE APPROVED BY THE GEOTECHNICAL ENGINEER. AROUND AC UNITS, OTHER OBSTRUCTIONS AS BUILDING CODE REQUIREMENTS ARE MET: 6" o NECESSARY. DROP IN FIRST 10' AWAY FROM STRUCTURE W/ 9. ALL STRUCTURAL FILL SHALL BE COMPACTED TO A MINIMUM OF 95% OF MAXIMUM DRY DENSITY AS DETERMINED BY ASTM D 1557 FOR BUILDING LOTS 2" DROP THEREAFTER. OR D 698 FOR ROAD AREAS. ONE IN-PLACE DENSITY TEST PER LIFT SHALL BE CONDUCTED FOR EVERY 5000 SQUARE FEET OF LIFT AREA FOR BUILDING 1/2" MAX STEP 0 w STRUCTURES (ONE PER LOT) OR FOR EVERY 100 LINEAR FEET OF LIFT AREA IN PARKING AND DRIVEWAY AREAS. INTO BUILDING DRAINAGE [FLOORING] BUILDING TTO STOOP10. NEP FROM/ � SHALL NOTEXCEED 1-EXCAVATIONS2 FOOT THAT DO NOT VE VERTICAL TOE1D 4 FEET MAY BE FOOT HORIZONTAL. CONVEYANCE WITH SIDE SLOPES APPROACHING VERTICAL. BELOW THIS DEPTH, SLOPES CONVEYANCE SWALE CONVEYANCE SWALE ``' z DRIVEWAY SLOPE ENTRANCE STOOP � z TYPICAL LAYOUT TYPICAL SECTION 1%-5% @ 1.60% 11. FINAL SITE GRADES (CUT OR FILL) SHALL NOT EXCEED 1 FOOT VERTICAL TO 2 FEET HORIZONTAL. ROLLED CURB & GUTTER STOOP/SIDEWALK 0 /'� NOT TO SCALE NOT TO SCALE PER ACHD SD-702 OR EDGE CONNECTION 4.0% v , 12. PRIOR TO PLACEMENT OF STRUCTURAL FILL, THE GROUND SHALL BE PREPARED IN ACCORDANCE WITH APPENDIX J, 'GRADING' OF THE INTERNATIONAL OF ASPHALT AS SPECIFIED [5.00% MAX] Z BUILDING CODE. FIGURE J107.3 AND AS DIRECTED BY THE PROJECT ENGINEER AND/OR THE GEOTECHNICAL ENGINEER. SIDEWALK 13. ALL FINAL GRADING SHALL EMPLOY SLOPE ROUNDING AT TOPS OF SLOPES AND AT CHANGES IN HORIZONTAL SLOPE ALIGNMENT TO FACILITATE z REVEGETATION AND PROVIDE AN ASTHETICALLY ACCEPTABLE APPEARANCE. 14. DURING ALL GRADING OPERATIONS AND UNTIL THE ESTABLISHMENT OF PERMANENT REVEGETATION, THE CONTRACTOR SHALL PROVIDE EROSION AND SIX-P LEX TYPICAL GRADING SEDIMENT CONTROL MEASURES IN ACCORDANCE WITH THE APPROVED STORMWATER PREVENTION PLAN. SECTION Z W NOT TO SCALE W Q L.L W NEAREST EDGE OF NOTES 1- 0 INFILTRATION LENS HIGH GROUNDWATER IS ANTICIPATED. IF GROUNDWATER IS MUST BE 10.0+ FT ENCOUNTERED AT ELEVATIONS WITHIN 3' OF THE BOTTOM OF I FROM EDGE OF THE DRAINAGE FACILITY, CONTACT DESIGN ENGINEER IMMEDIATELY dI BUILDING FOUNDATION. NOTE: DISTANCE TO FOR REDESIGN. UNTIMELY NOTIFICATION OF THE ENGINEER MAY LETTER FROM BUILDING VARIES. RESULT IN ADDITIONAL COSTS TO THE CONTRACTOR. REFER TO STRUCTURAL ENGINEER -WIDTH GEOTECHNICAL REPORT BY ATLAS, DATED FEBRUARY 25, 2022 Z WWILL BE REQUIRED AND SUBSEQUENT GROUNDWATER MONITORING REPORTS. o_ w o Q _ CONTRACTOR TO NOTIFY DESIGN ENGINEER OR QUALIFIED • `�1 �'� GEOTECHNICAL ENGINEER TO WITNESS EXCAVATIONS TO FREE-DRAINING MATERIAL. DESIGN ENGINEER TO WITNESS FINISHED PRODUCT AFTER GRADING IS COMPLETE. PROVIDE 24 HOURS MINIMUM NOTICE FOR OBSERVATION(S). NO ADD. SURFACE Q TREATMENT OVER DRAIN SIDE SLOPES NOTED ON SWALE DETAILS ARE MAXIMUM SLOPES. ROCK. L.L CREATE POSITIVE SLOPE OF SLOPES CAN BE SHALLOWED BY EXPANDING TOP OF BANK AS 0.1% MIN TO BSM LENS NECESSARY/DESIRED TO SMOOTH GRADING AND AVOID ABRUPT CONTT. BSM LENS GRADE CHANGES OR CONTOURING. NEAREST EDGE OF PER SPECIFICATION - - THIS SHEET ----- INFILTRATION LENS .. WIDTH .. .. n/ ---_- MUST BE 10.0+ FT r.... 1.i.,r:•:.; •: ° ° ° ° ° ::: :.::•::I::=- .. ��� _ FROM EDGE OF 2" WASHED DRAIN ROCK ' ` - - PER M.C.C. 1 1-3B-1 1.C.3, "GRAVEL, ROCK, SAND OR COBBLE III III • V EXCAVATE TO -_-_- STORMWATER FACILTIES ARE NOT PERMITTED ON THE SURFACE OF BUILDING FOUNDATION. _ OR OTHERWISE APPROVED _ _ _ LETTER FROM ° ° ° ° EQUIVALENT (MIN VOID INFILTRATING LAYER AS ----- REQUIRED LANDSCAPE AREAS, UNLESS DESIGNED AS A DRY L SHOWN IN PLAN VIEW STRUCTURAL ENGINEER w ° ° ° ° ° RATIO: 0.4) / n CREEK BED OR OTHER DESIGN FEATURE". IN REQUIRED o V SHEETS 4.2-4.4. WILL BE REQUIRED IF ° ° ° ° LANDSCAPE AREAS, BIORETENTION SOIL MIXTURE (BSM) TO BE EXCAVATIONS OCCUR ° ° ° ° FILTER FABRIC SIDES & TOP 7 BACKFILL WITH REJECT UTILIZED W HYDROSEED OR OTHER APPROPRIATE TOPPING L SAND, BSM OR -3/4" O} / CLOSER THAN 10-FT. OF ROCK WINDOW :5CRUSHED GRAVEL z PROVIDED BY LANDSCAPE ARCHITECT AND/OR DEVELOPER. SEE O BELOW FOR BSM SPECIFICATION IF UTILIZED. 00? FILTER FABRIC SIDES & TOP 24" ZZ Z CONTT. SAND LENS OF INFILTRATION WINDOW WHERE SPECIFIED ' ' W N BIORETENTION SOIL MIX SPECIFICATIONS 2 Q (ASTM C-33 60% SAND EXCAVATE TO Q z SAND REQUIRED) -_--_ 20% SANDY LOAM (SILT, SAND, CLAY) INFILTRATING LAYER AS 20% COMPOST SHOWN IN PLAN VIEW Q -_ SHEETS 4.2-4.4. O NOTE: BSM MUST BE IN CONFORMANCE WITH BOISE CITY BACKFILL WITH REJECT SURFACE INFILTRATION SWALE STORMWATER DESIGN MANUAL, APPENDIX C. ___ SAND OR -3/4" CRUSHED GRAVEL ' ^ TYPICAL SECTION NOTE: BSM HAS INFILTRATION RATE OF 5 IN/HR [4 IN/HR V NOT TO SCALE RECOMMENDED IN GEOTECHNICAL REPORT]...NATIVE MATERIAL ACTS AS LIMITING LAYER; INFILTRATION RATE OF 4 IN/HR w DATE: USED IN DRAINAGE CALCULATIONS. 0g SURFACE INFILTRATION BED 8-25-2023 W f FILTER SAND C2022-006 PROJECT: z z �Q N TYPICAL SECTION SHEET z NOT TO SCALE