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HomeMy WebLinkAboutC4.12_Grading and Drainage Q O U Qcoco TOP OF FILL GRADING NOTES AND VOLUMES: NOTE: SURFACE MODEL GRADES TOmp� Oct co c FILL SLOPE 'DESIGN GRADES' SHOWN ON C� o BUILDING PADS. CALCULATIONS DO - STRIP VOLUME [7.5' STRIP] = ±13,712 cy CUT* NOT ACCOUNT FOR IMPORT OF 3/4" _ w *CUT & REMOVE OFFSITE, LESS t2,050 cy TO BE USED IN EAGLE FREE-DRAINING GRANULAR MAT ■y Z ~ RD. BERM. MATERIAL RECOMMENDED BELOW Q� Z PARKING LOT EXCAVATION TO SUBGRADE (FROM STRIPPED SURFACE) SLAB-ON-GRADE FOUNDATIONS OR CUT TO SUBGRADE= t6,934 cy IMPORT OF ANY PARKING AREA = H 2:1 MAX NATURAL SLOPE FILL TO SUBGRADE = ±435 cy SECTION MATERIAL. ■� a - ( NET = t6,499 cy CUT N FILL SOILS ON SITE Z MATERIAL AS APPROVED NET EXCAVATE UTILITIES, SD FACILTIES = t2,089 cy CUT W O BY GEOTECHNICAL ENGINEER 1 CUT/FILL TO FINAL GRADE (FROM STRIPPED SURFACE) W w Z w CUT TO FG = t5,320 cy CUT = ui U) FILL TO FG = ±14,582 cy-2,050 cy Lf Q S5 j = ±12,532 cy FILL Cc Z Zo � 0 1 REMOVE UNSUITABLE I NET = t7,212 cy FILL W � o O MATERIAL j 5 w Lu elf O BENCH HEIGHTS SHALL NET EXPORT = t1,376 cy CUT (7 m NOT EXCEED 5 FEET V w j ALL CALCULATIONS ARE RAW VOLUMES BASED ON ROAD AND FINAL j SURFACE MODELS DEPICTED ON THIS GRADING PLAN. THESE �H/5 OR 2' MIN STRUCTURAL FILL PLACEMENT I SNUMBERS HRINKAGE.MAY VARY DUE TO ACTUAL SOIL COMPACTION AND SOIL JE073UST BE IF FILLPHEIIGIHTD PER EXC EXCEEDS BASED ON 2012 IBC FIGURES J107.3 & J108.1 a o + + + + + + �+ ��S�pNAL FNc� VERTICAL FEET. O QF F NOT TO SCALE + : + + + + + + 10/16/2023 + + +°SITE GRADING 1788 2 + + + + \ '\ + + + ENTRANCE STOOP 91 O \ \ + + + + 1. ALL GRADING SHALL BE IN ACCORDANCE WITH THE APPROVED GRADING PLAN. @ 1.60% �F \Q) \. �VARIES� �/N S.7 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 5% MAX SLOPE TO SCHEDULES CHANGE. CONSTRUCTION SHALL BE SCHEDULED TO MINIMIZE SOIL DISTURBANCE. ALL DISTURBED SURFACES SHALL BE STABILIZED IN A \, BUILDING VARIES. SIDEWALK TEMPORARY OR PERMANENT MANNER AS APPROPRIATE DURING CONSTRUCTION TO PREVENT SOIL EROSION. \ CHECKED BY: \ BUILDING FF DAVID A. BAILEY P.E. LLi3. THE CONTRACTOR SHALL REVIEW AND FOLLOW ALL RECOMMENDATIONS PROVIDED IN THE GEOTECHNICAL ENGINEERING REPORT PREPARED BY ALLWEST, \ POSSIBLE DOWNSPOUT LOCATION © �3'� DRAWN BY: 1/2" MAX STEP SIDEWALK AT KSC DATED MARCH 25, . (o FROM 2.0% MAX 4. ORGANIC SOILS SHALL BE REMOVED AS RECOMMENDED IN THE GEOTECHNICAL REPORT AND WASTED OR STOCKPILED FOR USE IN FINE GRADING. - BUILDING TO 5. PRIOR TO COMMENCING STRUCTURAL FILL, THE EXISTING SITE DEBRIS MUST BE REMOVED, THE NATIVE SOILS STRIPPED OF ALL ORGANIC MATERIAL, J STOOP 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: TYPICAL UNIT ENTRANCE AS STRUCTURAL FILL SHALL BE PLACED ON NATIVE, STRIPPED SOILS TO PREVENT CONTAMINATION. 1. CONVEYANCE SWALES TO EXTEND ALL DOWNSPOUT LOCATIONS THAT DO NOT DRAIN DIRECTLY INTO SECTION 6. EXACT REMOVAL DEPTHS OF ORGANIC MATERIALS SHALL BE DETERMINED DURING GRADING OPERATIONS BY A QUALIFIED GEOTECHNICAL REPRESENTATIVE INFILTRATION SWALE. NOT TO SCALE 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 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 AT POINT FARTHEST FROM INFILTRATION NOTES: SWALE SHALL MATCH TOP OF INFILTRATION SWALE. 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. REPORT. SWALES WITH USE OF NDS POP-UP DRAIN EMITTER OR . GRADING CONTRACTOR/LANDSCAPER CAN SHEET z APPROVED EQUIVALENT. FLOW RUNOFF AWAY FROM STRUCTURES TO VARIES 2 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 (5 MIN) 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 CONVEYANCE SWALES PENDING INTERNATIONAL 0 OTHERWISE APPROVED BY THE GEOTECHNICAL ENGINEER. AROUND AC UNITS, OTHER OBSTRUCTIONS AS BUILDING CODE REQUIREMENTS ARE MET: 6" w 20' � 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 NECESSARY. DROP IN FIRST 10' AWAY FROM STRUCTURE W/ 5' VARIES 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 2" DROP THEREAFTER. p w 1.4% DESIGN Ld STRUCTURES (ONE PER LOT) OR FOR EVERY 100 LINEAR FEET OF LIFT AREA IN PARKING AND DRIVEWAY AREAS. BUILDING DRAINAGE GARAGE SLOPE BUILDING FF10. N SHALL NOT EXCEED EXCAVATIONS 2 THAT FOOTDVO NOT ERTICAL TO EXCEED 4 FEET MAY FOOT HORIZONTAL.CONSTRUCTED WITH SIDE SLOPES APPROACHING VERTICAL. BELOW THIS DEPTH, SLOPES CONVEYANCE SWALE CONVEYANCE SWALE � � � � � � ``' o z TYPICAL LAYOUT TYPICAL SECTION INTO MAX STEP 11. FINAL SITE GRADES (CUT OR FILL) SHALL NOT EXCEED 1 FOOT VERTICAL TO 2 FEET HORIZONTAL. INTO GARAGE 1/2" MAX STEP FROM NOT TO SCALE NOT TO SCALE [FLOORING] BUILDING TO sTooP V , 12. PRIOR TO PLACEMENT OF STRUCTURAL FILL, THE GROUND SHALL BE PREPARED IN ACCORDANCE WITH APPENDIX J, 'GRADING' OF THE INTERNATIONAL L BUILDING CODE. FIGURE J107.3 AND AS DIRECTED BY THE PROJECT ENGINEER AND/OR THE GEOTECHNICAL ENGINEER. DRIVEWAY SLOPE ENTRANCE STOOP 1%-5% @ 1.60% J W 13. ALL FINAL GRADING SHALL EMPLOY SLOPE ROUNDING AT TOPS OF SLOPES AND AT CHANGES IN HORIZONTAL SLOPE ALIGNMENT TO FACILITATE STOOP/SIDEWALK REVEGETATION AND PROVIDE AN ASTHETICALLY ACCEPTABLE APPEARANCE. EDGE OF ASPHALT CONNECTION @ 4.0% 14. DURING ALL GRADING OPERATIONS AND UNTIL THE ESTABLISHMENT OF PERMANENT REVEGETATION, THE CONTRACTOR SHALL PROVIDE EROSION AND [5.00% MAX] SEDIMENT CONTROL MEASURES IN ACCORDANCE WITH THE APPROVED STORMWATER PREVENTION PLAN. SIDEWALK SIX-PLEX TYPICAL GRADING W SECTION Q NOT TO SCALE W0 V I NEAREST EDGE OF d INFILTRATION LENS MUST BE 10.0+ FT FROM EDGE OF w BUILDING FOUNDATION. NOTE: DISTANCE TO O LETTER FROM BUILDING VARIES. STRUCTURAL ENGINEER WILL BE REQUIRED ROW < > I�f5-FT 3.0'� NOTES N U W BERM CONTINUES NO GROUNDWATER IS ANTICIPATED. IF GROUNDWATER IS NO ADD. SURFACE L.L AT 4H:1V ENCOUNTERED AT ELEVATIONS WITHIN 3' OF THE BOTTOM OF TREATMENT OVER DRAIN Q o EAGLE RD SIDEWALK -I THE DRAINAGE FACILITY, CONTACT DESIGN ENGINEER IMMEDIATELY ROCK. \ �� ,��;;•.• FOR REDESIGN. UNTIMELY NOTIFICATION OF THE ENGINEER MAY / •• St.� RESULT IN ADDITIONAL COSTS TO THE CONTRACTOR. CONTRACTOR TO NOTIFY DESIGN ENGINEER OR QUALIFIED NEAREST EDGE OF GEOTECHNICAL ENGINEER TO WITNESS EXCAVATIONS TO INFILTRATION LENS • " ••• WIDTH •• ;::.:•' MUST BE 10.0+ FT _ z FREE-DRAINING MATERIAL. DESIGN ENGINEER TO WITNESS FROM EDGE OF •�• I•I••I .• ••. •• ° �° �° �° ' •• • 2" WASHED DRAIN ROCK FINISHED PRODUCT AFTER GRADING IS COMPLETE. PROVIDE 24 ° ° ° ° OR OTHERWISE APPROVED � BUILDING FOUNDATION. - - - 0.5625 cu ft/ft STORAGE CAP. HOURS MINIMUM NOTICE FOR OBSERVATION(S). LETTER FROM a ° ° ° ° EQUIVALENT (MIN VOID STRUCTURAL ENGINEER w ° ° ° ° ° RATIO: 0.4) - - - PER M.C.C. 1 1-3B-1 1.C.3, "GRAVEL, ROCK, SAND OR COBBLE WILL BE REQUIRED IF CONTT. BSM LENS STORMWATER FACILTIES ARE NOT PERMITTED ON THE SURFACE OF EXCAVATIONS OCCUR ° a° ° ° ° FILTER FABRIC SIDES & TOP L PER SPECIFICATION THIS SHEET - - - - REQUIRED LANDSCAPE AREAS, UNLESS DESIGNED AS A DRY CLOSER THAN 10-FT. = OF ROCK WINDOW --_-_ CREEK BED OR OTHER DESIGN FEATURE". IN REQUIRED ap z FILTER FABRIC SIDES & TOP I , I ----- LANDSCAPE AREAS, BIORETENTION SOIL MIXTURE (BSM) TO BE - -_III- OF INFILTRATION WINDOW w EXCAVATE TO -_-_- UTILIZED W/ HYDROSEED OR OTHER APPROPRIATE TOPPING CONTT. SAND LENS INFILTRATING LAYER AS ......... PROVIDED BY LANDSCAPE ARCHITECT AND/OR DEVELOPER. SEE WHERE SPECIFIED : 2' SHOWN IN PLAN VIEW BELOW FOR BSM SPECIFICATION IF UTILIZED. (ASTM C-33 _ _ LLI SHEETS 4.2-4.4. SAND REQUIRED) EXCAVATE TO BACKFILL WITH REJECT w - _-__ INFILTRATING LAYER AS SAND, BSM OR -3/4" o} -_ SHOWN IN PLAN VIEW CRUSHED GRAVEL ~z g BIORETENTION SOIL MIX SPECIFICATIONS - - SHEETS 4.2-4.5. LL 24" z_z 60% SAND __- BACKFILL WITH REJECT 20% SANDY LOAM (SILT, SAND, CLAY) SAND OR -3/4" CRUSHED 20% - - A COMPOST GRAVEL / /� NJ v , z NOTE: BSM MUST BE IN CONFORMANCE WITH BOISE CITY STORMWATER DESIGN MANUAL, APPENDIX C. f I I w DATE: Lu og 023 SURFACE INFILTRATION BED PROJECT: SURFACE INFILTRATION SWALE z z W f FILTER SAND C2021-027 TYPICAL SECTION TYPICAL SECTION SHEET NOT TO SCALE N z NOT TO SCALE