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Home My WebLink AboutC2.2 - Grading and Drainage Plan-1I rPnIPRAI I\I(1TP-q I TOPOGRAPHIC & BOUNDARY NOTE R/W GRADING, DRAINAGE, & UTILITY NOTE LL XI ALL NG AL AND BEEN SHOWN PER [GROUP, URVEYSPIREPAREDZBYTCENTRALVSRATESL CONSULTING,INFORMATION LLC. DATED 10/01 /2018; ATHEREFORE,PCIVILLAND SITEITLE XX ��. / INC. CANNOT BE HELD RESPONSIBLE IF ACTUAL HORIZONTAL AND VERTICAL DATA IS DIFFERENTROM THAT SHOWN ON THESE PLANS. CONTRACTOR IS RESPONSIBLE FOR FIELD VERIFICATION OF ALL XISTING CONDITIONS PRIOR TO COMMENCING WITH CONSTRUCTION. THESE DRAWINGS REFLECT ABOVEROUND INDICATIONS OF EXISTING UTILITIES. THE SURVEYOR MAKES NO GUARANTEE THAT THE UNDERGROUND 'bOb �tio TILITIES SHOWN COMPRISE ALL SUCH IN THE AREA, EITHER IN SERVICE OR ABANDONED. THE SURVEYOR ��,�� , ��P` \ \\p FURTHER DOES NOT WARRANT THAT THE UNDERGROUND UTILITIES SHOWN ARE IN THE EXACT LOCATION INDICATED, ALTHOUGH HE DOES CERTIFY THAT THEY ARE LOCATED AS ACCURATELY AS POSSIBLE FROM THE / INFORMATION AVAILABLE. THE SURVEYOR HAS NOT PHYSICALLY LOCATED THE UNDERGROUND UTILITIES. % // to UTILITY LOCATE NOTE -� 46 ��%" ° M\N - ) INDIANA 811 FAILED TO LOCATE ALL EXISTING UTILITIES ON �� i ' OF ,I SSOO ��F\NSl - aa�00 �_ \\ AND/OR SURROUNDING THE SUBJECT SITE, THEREFORE, / '\ LF R J / \ CONTRACTOR IS RESPONSIBLE TO LOCATE AND FIELD VERIFY / 1'ry - BO NECK P / ANY EXISTING UTILITIES BEFORE COMMENCING WITH -� �� / �OON �•3*` / -,'1 CONTRACTORNOTE CONSTRUCTION. CIVIL SITE GROUP, INC. CANNOT BE HELD O /�1 RESPONSIBLE IF THE PROPOSED IMPROVEMENTS INTERFERE �`l�''S _ �^ - ' ��' X NO EARTH DISTURBING ACTIVITY MAY COMMENCE WITH ANY EXISTING UTILITY INFORMATION NOT SHOWN ON 108 WITHOUT AN APPROVED STORM WATER MANAGEMENT PERMIT. THESE PLANS. / O \/ / \ / Q < a 0 883.84 ;•+'°"a v 510V a t - �►� \ X h� / / �L' i ° 883,34 \ 882.98 �a$r _ .-. '• 9X `' 882.48 M.E. X I `P \ „ ate. a c' \ 0 $$� �a84 r : aaa , < ,� 6 S a82 ° aa�5 \ 882.32 '-� - - v 8a� v 0 \N`I' \ '115x ��• D� 882.3 M.E. TBM #50 �� CONTRACTOR TO VERIFY THE DEPTH AND LOCATION OF ALL EXISTING UTILITIES ALONG MICHIGAN ROAD (US 421) PRIOR TO COMMENCING CONSTRUCTION. PROPOSED STORM SEWER INSTALLATION MAY REQUIRE EXISTING UTILITY FACILITIES TO BE RAISED/LOWERED IN ORDER TO MAINTAIN MINIMUM STANDARDS OF COVER, INCLUDING WATER, GAS, POWER, AND TELECOM. I I I I XI I I \I I PLAN NOTES: REVISION RECORD REVDATE DESCRIPTION DES BY APP BY 1 01/04/19 REVISIONS PER T.A.C. AGENCY COMMENTS EAG I EAG R1 APPROX. 41f LF OF 6" PVC (1.0% MIN. SLOPE) ROOF DRAIN LEADER WITH RISERS, ADAPTERS FOR DOWNSPOUTS, BENDS, FITTINGS, & CLEANOUTS AT BENDS > 22.5' FOR ROOF DOWNSPOUTS OCONTRACTOR TO REMOVE ALL SEDIMENT AND DEBRIS FROM BMP USING VAC -TRUCK 144uw AFTER ALL SITE CONSTRUCTION AND LANDSCAPING IS COMPLETE NORTH OT TAPER CURB FLUSH WITH PAVEMENT 20 0 10 20 FL SIDEWALK FLUSH WITH PAVEMENT (INSTALL ADA COMPLIANT DETECTABLE WARNING STRIP & TAPER CURBS) ° 22 a 0 as . a a5 i \ \I CSC CUT „X„ �\ \ ELEV.=882.35' �h` / / / �< a'/a v ago as a 8a 30 a' " $a p0� i X \ \ \ � � p°-� � ., a 8a a.ao % R1 T � 88 � \ � �� \ \ \ / i< \ a 83�a °. a \ as a \\ \., %'` X GiP� 883.74 aa� SSO Ip FL aaa�2 \ / f X �eR� �, aaa' �L r 6 g82 ° OVERTOPPING �� \ g�\N`I �- ELEV.=883.8 \ 883.96 \\ \ 883 882.00 \ �� - \\� \ :X .4aaa ! O �v �\ \�\ 8 a� 9a / aaa 43 \ QQS1G �QS 1 \ \ M.E. 881.36 X I \ \\ \ �`•?�O .•: r / �'�;�00\ j��0 883.1 884.24 r' /� C „ 0 ~ \ \ \\ �� F r: 883.3 883.74 �. ; . Baa g2 1 \0 J 6 SSi aaa �0 a o e .. a�� OHO / \ X 1 \\ \ 106 GRADE ` . 31 PCj O \Nv • aaa aa��•' / �� o 40 88357 883.57 I�\ r 883.57 - BREAK �� • �1 8a \� ) I / \ \ GRADE $ -r OVERTOPPING LEV.=883.5 x a ° BREAK 883.aaa. / X / , h 43 'sago 8a 90 r 1 aa381 `L' �\ / Eg82 1 OVERTOPPING - ' 883.43 ELEV.=883.46 884.07 FL ga FL %\ \ R M.E. 881.46 \ ) j4'� a 88 883.57 \oma \ V \ \ T 883.71 r .X ago - a� .. cb 107 a83' \ v \ , 883.21 $a r : aaaap OVERTOPPING ' 832 a, p a8a6� 88366 \ �� ELEV.=883.5 \ \ \ s��\ a\� .\, . a 883'3 O •.�::;:'• a . / � \ \ < '� o�. \\\ � a � _� -- FL a • � i �,-\NPOE 1 9,�\F / as � \ � � I � 105 \ M.E. 881.51 '�' Bo \ FL s 2�� S�oPE 0 0 • p EP aa3.a� $a3 23 8 \ V , \ o0 \\ CROOS-SLOPE NOT a X ,...IgM \ o_ \\ op `r \ EXCEED 2.0% �\ OVERTOPPING as / 1 \� �,• ° as aaa 104 I ��\ I�� \\ ELEV.=883.4 r''`.:�. a8 �a 884.74 0 • , Ba52 °� �ag29� aa�1 \ ° . 881.1 �: 884.24 8 / \ €>✓ N� � � \ \ \ M.E. 881.58 8 1. \\ \ �o / 1 / BMP \ \ o \ EX �ti �X I / 1 aaa F \ \ \\ 1 FL X� - 103 � �,• a83 l \� 1 �'\ O P0� \ \ X2 �� \ \ \... �� p a 1g R �• F9�\ a8361� gR�PK� a �g \ O \ `\ 0 DO, 8 P \ g8a \ n \\ \ \ \ \\ M.E. 881.51 �\ \ 8a �9 / \ \ E OVERTOPPING lO EX. CURB INLET \\ ® \ 883.82 a a� 1 I a ELEV.=883.65 RIM = 881.51 \ \ INV. \878.30 N OVERT-PPING 1 \ � tX CP ELEV .O883.4 CPI \ �� 1 � \\ �1,• I � � as ag aa -y1 a GRpvNO ��133 S\�El a 11 `� \ aga.26 � \ `� X \ o\ aa39g � �NOE� EVEN - \�HOFF RS x UT \� F L X00 ��'aa\ 9a �`� GNPM�� a2 w ° \� 109 8a �8 as O� �� S\oC�`� �-- \ EX. BEEHIVE INLET RIM = 880.99 \ \ aa39a 259 � 883.81 i \ 8ag30 \ I INV. (NW -15; RCP) _ 878.77 / 110 883.3 j FL I INV. (E -NEW 18 RCP) = 878.60 \\ aaa2 �Ba� \ \ 8a " INV. (W-18RCP) = 878.38 \\�O� \ - \ aa3�o \ 8� 82 2 \ I \ I \ ��,• \ a� aa36a a a 50 1 I\\ ,�; \\ \ $aaoOO 8 � \ \ � \�' X \\ a83 5a 'aaa ��' a2 a� i Sgi / / F L 883 g6 ° a 11 ;8� 840 884 I \ 83 /i 386 ' O o I U D RGROUND ETEN PIT DIMENSIONS = 114'�x 69' TOP OF PAVEMENT = 882.50 (MIN.) - 883.67 (MAX.) TOP OF STONE = 882.13 (MIN.) - 883.20 (MAX.) TOP OF CHAMBER = 880.63 BOTTOM OF CHAMBER = 879.3 BOTTOM OF STONE = 878.80 10 -YEAR ELEV. = 880.12 (WITHOUT OFF-SITE) 10 -YEAR ELEV. = 880.60 (WITH OFF-SITE) 100 -YEAR ELEV. = 881.33 (WITHOUT OFF-SITE) 100 -YEAR ELEV. = 881.98 (WITH OFF-SITE) STORM SEWER SYSTEM NOTE ALL ON-SITE STORM SEWER INFRASTRUCTURE TO BE CONSTRUCTED WITH THIS PROJECT SHALL BE PRIVATELY OWNED AND MAINTAINED. \ �`y. '��\ \ \5 \ \- a � r:.. \ a � / \.o� � � / 0 �88�� 3.6p ,r� " ° .4 $a •. ° ��; ��'S is aT � ' _/ _ o - - O� v o� _ /_ 0%v ,882 ! T \ p E /. r`.. o� 3 L M XE. a G $aaa 1 _ �. a r' 100i \ \ \\ \ �a PSR PSEM�N a2:g� • X__ _ c i Ib 0000 10 t884 X All ti00883 X� 000INI '�j � 4) 00 00 X 00 00 /cIro OWNER: FREDDY'S FROZEN CUSTARD & STEAKBURGERS ATTN: BLAKE EPPERSON (316) 617-8880 ENGINEER: CIVIL SITE GROUP, INC. 160 WEST CARMEL DRIVE SUITE 240 CARMEL, INDIANA 46032 (317) 810-1677 SURVEYOR: CENTRAL STATES CONSULTING, LLC. 23-B NORTH GREEN STREET BROWNSBURG, INDIANA 46112 (317) 858-8662 . ARCHITECT GRADING NOTES 1. ALL CONSTRUCTION METHODS AND MATERIALS MUST CONFORM TO CURRENT STANDARDS AND SPECIFICATIONS OF THE FEDERAL, STATE, COUNTY, CITY OR LOCAL REQUIREMENTS, WHICHEVER HAS JURISDICTION. 2. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD PRIOR TO STARTING CONSTRUCTION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL FIELD DIMENSIONS. IF ANY DISCREPANCIES ARE FOUND IN THESE PLANS FROM THE ACTUAL FIELD CONDITIONS, THE CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY. 3. THE EXCAVATING CONTRACTOR MUST TAKE PARTICULAR CARE WHEN EXCAVATING IN AND AROUND EXISTING UTILITY LINES AND EQUIPMENT. VERIFY COVER REQUIREMENTS BY UTILITY CONTRACTORS AND/OR UTILITY COMPANIES SO AS NOT TO CAUSE DAMAGE. 4. THE CONTRACTOR SHALL NOTIFY ALL UTILITY COMPANIES 72 HOURS BEFORE CONSTRUCTION IS TO START, TO VERIFY IF ANY UTILITIES ARE PRESENT ON SITE. ALL VERIFICATIONS (LOCATION, SIZE AND DEPTH) SHALL BE MADE BY THE APPROPRIATE UTILITY COMPANIES. WHEN EXCAVATING IS AROUND OR OVER EXISTING UTILITIES, THE CONTRACTOR MUST NOTIFY THE UTILITY COMPANY SO A REPRESENTATIVE OF THAT UTILITY COMPANY CAN BE PRESENT TO INSTRUCT AND OBSERVE DURING CONSTRUCTION. 5. TRENCHES FOR ALL STORM DRAIN LINES SHALL BE BACKFILLED COMPLETELY WITH ENGINEERED GRANULAR MATERIAL IF WITHIN 5 FEET OF PAVEMENT. 6. AFTER STRIPPING TOPSOIL MATERIAL, PROOFROLL WITH A MEDIUM WEIGHT ROLLER TO DETERMINE LOCATIONS OF ANY POCKETS OF UNSUITABLE MATERIAL. THE NECESSITY FOR SUBDRAINS AND/OR REMOVAL OF ANY UNSUITABLE MATERIAL WITHIN THE PROPOSED PARKING AREAS WILL BE DETERMINED AT THE TIME OF CONSTRUCTION. 7. PROVIDE POSITIVE DRAINAGE WITHOUT PONDING, IN ALL AREAS, AFTER INSTALLATION, CONTRACTOR TO TEST FOR, AND CORRECT, IF ANY, "BIRD BATH" CONDITIONS. 8. ALL PROPOSED SPOT ELEVATIONS ARE THE FINAL PAVEMENT AND FINAL GRADE ELEVATIONS. 9. SEE APPROPRIATE DETAILS TO DETERMINE SUBGRADE ELEVATIONS BELOW FINISH GRADE ELEVATIONS INDICATED. 10. FLOW LINE ELEVATIONS GIVEN AT END OF CONCRETE END SECTIONS. 11. SIDEWALK AGAINST BUILDING SHALL SLOPE AWAY FROM BUILDING AT 1.04% SLOPE MIN. WINTER ARCHITECTS IN RCP NOTE ATTN: RODGER BAKER 1024 EAST 1st STREET O-RING JOINTS REQUIRED WICHITA, KS 67214 (316) 267-6224 FOR ALL RCP PIPE DRAINAGE SUMMARY NOTE 18" OF VERTICAL SERARATION MUST BE MAINTAINED FOR ALL UTILITY CROSSINGS. co \\ W -F, �' - >;�``� X ��' BMP &DIVERSION The project proposes a 3,710± SF restaurant building that will be owned by Freddy's Frozen Custard and Steakburgers. Additional 43 O _ _ i _ -g` - X _ __X improvements to the project site will include the associated drainage, parking, sidewalk, and utility infrastructure. This project is \\ �O ��'S�l �� -883 / X STRUCTURE DETAILS located at the northeast corner of N. Michigan Road and E. 97th Street in Carmel, Hamilton County, Indiana. The entire property lb� �� \\ �,• / X X i totals 1.38± acres; however, the proposed construction activity associated with the building, hard surface, and landscaping will be disturbing approximately 1.7± acres. Storm water runoff in the post -developed condition will be collected via a new on-site storm sewer system which will discharge into a proposed underground detention facility (SC -310 StormTech Chambers - Qty. 259). Before entering the new sub -surface STORM SEWER INLET NOTE \ \\ MINIMUM FLOOD PROTECTION GRADE & detention facility, storm water runoff will be treated by a proposed on-site downstream defender stormwater quality unit. After the - F . � LOWEST ADJACENT GRADE DEFINITIONS post -developed storm water runoff is treated and detained, it will travel through a proposed outlet control structure (Str. 101) with a lb -IF ��\\ /�� I I--- minimum 6" diameter orifice along with a weir wall for emergency overflow. The stormwater will then flow at a controlled release '�o ,,,, \ / X i We have shown multiple top -of -curb grades on Michigan Road. The lowest on each of the top -of -curb grades is 882.00 rate into an existing storm sewer system in Michigan Road. Storm water will ultimately discharge into a 48" RCP in Michigan Road ALL STORM WATER INLETS &CATCH BASIN 00, �,• I CASTINGS SHALL BE LABELLED WITH \ �� \\ \ / \\ I -- , i (Michigan Road T.O.C.). The minimum F.F.E. is to be at 15" above the Michigan Road Grade (882.00), which is (US 421) flowing south ultimately discharging into Crooked Creek. It should be noted that there is 1.05± acres of off-site drainage /O \ O �o / area that will be intercepted by the on-site drainage system and routed through the proposed underground detention. ENVIRONMENTAL MESSAGING "NO DUMPING, A\ � �,�� i 883.25. The local flood overflow route for the storm inlets is 883.80; therefore, one (1) foot above the aforementioned \ � j \ �o v / / elevation would be 884.80, which represents the MFPG. The 100 -year elevation of the underground detention facility DRAINS TO STREAM" CAST IN RAISED OR RECESSED � � Allowable release rates: 10yr = 0.14cfs; 1 00y = 0.41 cfs 1 \ , (881.33) does not come into play. Therefore, the MLAG/MFPG has been set at 884.80. The proposed building is Post Developed release rates after detention without off-site / 2"0 orifice 2 r = 0.11 cfs; 10 r = 0.14cfs; 100 r = 0.40cfs LETTERS AT A MIN. 1 -INCH HEIGHT. A SYMBOL OFA � / p ( )� Y - y Y FISH SHALL ALSO BE CAST WITH THE LETTERS / encapsulated by a 6" straight curb with the highest gutter elevation being 884.40, which meets the requirement that the Post Developed release rates (after detention without off-site / 6"0 orifice): 2yr = 0.63cfs; 1 Oyr = 0.84cfs; 1 00y = 1.30cfs ��• \ \ \, \ � \ / minimum F.F.E. shall be no less than 6" above finished grade around the building. The proposed F.F.E. has been set at Post Developed release rates (after detention with off-site / 6"0 orifice): 2yr = 0.71 cfs; 10yr = 1.04cfs; 1 00y = 6.56cfs \ \ \ \ 885.0, which meets the MLAG/MFPG requirement. Volume of detention required: 10,289 cubic feet / Volume of detention provided: 13,983 cubic feet ,0111111111 P - G L ESS G 44/�� No s PE10403858 e = a STATE OF i 0, %,/Vo I 'I0# � O 1 DATE: 10/26/2018 DWN BY: EAG CHKD. BY. EAG SCALE: 1 to = 20' DATE: 10/26/18 PROJECT NUMBER WAX.001 DRAWING NUMBER C2.2 IL SHEET 5 OF 27 ( IN FEET ) LEGEND: 1 inch= 20ft. PROPERTY BOUNDARY - - RIGHT-OF-WAY - - - - - - EASEMENT .•+' ...: PROPOSED CONCRETE PROPOSED STORM SEWER C) ® PROPOSED STORM STRUCTURE ------------ ROOF DRAIN/SUB-SURFACE DRAIN 799.23 TOP OF CURB GRADE 798'73 PAVEMENT GRADE 798.25 PAVEMENT OR EARTH GRADE M.E. MATCH EXISTING GRADE - - - PROPOSED GRADE BREAK --847-- PROPOSED CONTOUR ---847--- EXISTING CONTOUR � O FFLOW o LOW PROPOSED NE EMERGENCY OVERFLOW PATH a STORM SEWER (LOCAL) EMERGENCY OVERFLOW PATH GRADING NOTES 1. ALL CONSTRUCTION METHODS AND MATERIALS MUST CONFORM TO CURRENT STANDARDS AND SPECIFICATIONS OF THE FEDERAL, STATE, COUNTY, CITY OR LOCAL REQUIREMENTS, WHICHEVER HAS JURISDICTION. 2. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD PRIOR TO STARTING CONSTRUCTION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL FIELD DIMENSIONS. IF ANY DISCREPANCIES ARE FOUND IN THESE PLANS FROM THE ACTUAL FIELD CONDITIONS, THE CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY. 3. THE EXCAVATING CONTRACTOR MUST TAKE PARTICULAR CARE WHEN EXCAVATING IN AND AROUND EXISTING UTILITY LINES AND EQUIPMENT. VERIFY COVER REQUIREMENTS BY UTILITY CONTRACTORS AND/OR UTILITY COMPANIES SO AS NOT TO CAUSE DAMAGE. 4. THE CONTRACTOR SHALL NOTIFY ALL UTILITY COMPANIES 72 HOURS BEFORE CONSTRUCTION IS TO START, TO VERIFY IF ANY UTILITIES ARE PRESENT ON SITE. ALL VERIFICATIONS (LOCATION, SIZE AND DEPTH) SHALL BE MADE BY THE APPROPRIATE UTILITY COMPANIES. WHEN EXCAVATING IS AROUND OR OVER EXISTING UTILITIES, THE CONTRACTOR MUST NOTIFY THE UTILITY COMPANY SO A REPRESENTATIVE OF THAT UTILITY COMPANY CAN BE PRESENT TO INSTRUCT AND OBSERVE DURING CONSTRUCTION. 5. TRENCHES FOR ALL STORM DRAIN LINES SHALL BE BACKFILLED COMPLETELY WITH ENGINEERED GRANULAR MATERIAL IF WITHIN 5 FEET OF PAVEMENT. 6. AFTER STRIPPING TOPSOIL MATERIAL, PROOFROLL WITH A MEDIUM WEIGHT ROLLER TO DETERMINE LOCATIONS OF ANY POCKETS OF UNSUITABLE MATERIAL. THE NECESSITY FOR SUBDRAINS AND/OR REMOVAL OF ANY UNSUITABLE MATERIAL WITHIN THE PROPOSED PARKING AREAS WILL BE DETERMINED AT THE TIME OF CONSTRUCTION. 7. PROVIDE POSITIVE DRAINAGE WITHOUT PONDING, IN ALL AREAS, AFTER INSTALLATION, CONTRACTOR TO TEST FOR, AND CORRECT, IF ANY, "BIRD BATH" CONDITIONS. 8. ALL PROPOSED SPOT ELEVATIONS ARE THE FINAL PAVEMENT AND FINAL GRADE ELEVATIONS. 9. SEE APPROPRIATE DETAILS TO DETERMINE SUBGRADE ELEVATIONS BELOW FINISH GRADE ELEVATIONS INDICATED. 10. FLOW LINE ELEVATIONS GIVEN AT END OF CONCRETE END SECTIONS. 11. SIDEWALK AGAINST BUILDING SHALL SLOPE AWAY FROM BUILDING AT 1.04% SLOPE MIN. WINTER ARCHITECTS IN RCP NOTE ATTN: RODGER BAKER 1024 EAST 1st STREET O-RING JOINTS REQUIRED WICHITA, KS 67214 (316) 267-6224 FOR ALL RCP PIPE DRAINAGE SUMMARY NOTE 18" OF VERTICAL SERARATION MUST BE MAINTAINED FOR ALL UTILITY CROSSINGS. co \\ W -F, �' - >;�``� X ��' BMP &DIVERSION The project proposes a 3,710± SF restaurant building that will be owned by Freddy's Frozen Custard and Steakburgers. Additional 43 O _ _ i _ -g` - X _ __X improvements to the project site will include the associated drainage, parking, sidewalk, and utility infrastructure. This project is \\ �O ��'S�l �� -883 / X STRUCTURE DETAILS located at the northeast corner of N. Michigan Road and E. 97th Street in Carmel, Hamilton County, Indiana. The entire property lb� �� \\ �,• / X X i totals 1.38± acres; however, the proposed construction activity associated with the building, hard surface, and landscaping will be disturbing approximately 1.7± acres. Storm water runoff in the post -developed condition will be collected via a new on-site storm sewer system which will discharge into a proposed underground detention facility (SC -310 StormTech Chambers - Qty. 259). Before entering the new sub -surface STORM SEWER INLET NOTE \ \\ MINIMUM FLOOD PROTECTION GRADE & detention facility, storm water runoff will be treated by a proposed on-site downstream defender stormwater quality unit. After the - F . � LOWEST ADJACENT GRADE DEFINITIONS post -developed storm water runoff is treated and detained, it will travel through a proposed outlet control structure (Str. 101) with a lb -IF ��\\ /�� I I--- minimum 6" diameter orifice along with a weir wall for emergency overflow. The stormwater will then flow at a controlled release '�o ,,,, \ / X i We have shown multiple top -of -curb grades on Michigan Road. The lowest on each of the top -of -curb grades is 882.00 rate into an existing storm sewer system in Michigan Road. Storm water will ultimately discharge into a 48" RCP in Michigan Road ALL STORM WATER INLETS &CATCH BASIN 00, �,• I CASTINGS SHALL BE LABELLED WITH \ �� \\ \ / \\ I -- , i (Michigan Road T.O.C.). The minimum F.F.E. is to be at 15" above the Michigan Road Grade (882.00), which is (US 421) flowing south ultimately discharging into Crooked Creek. It should be noted that there is 1.05± acres of off-site drainage /O \ O �o / area that will be intercepted by the on-site drainage system and routed through the proposed underground detention. ENVIRONMENTAL MESSAGING "NO DUMPING, A\ � �,�� i 883.25. The local flood overflow route for the storm inlets is 883.80; therefore, one (1) foot above the aforementioned \ � j \ �o v / / elevation would be 884.80, which represents the MFPG. The 100 -year elevation of the underground detention facility DRAINS TO STREAM" CAST IN RAISED OR RECESSED � � Allowable release rates: 10yr = 0.14cfs; 1 00y = 0.41 cfs 1 \ , (881.33) does not come into play. Therefore, the MLAG/MFPG has been set at 884.80. The proposed building is Post Developed release rates after detention without off-site / 2"0 orifice 2 r = 0.11 cfs; 10 r = 0.14cfs; 100 r = 0.40cfs LETTERS AT A MIN. 1 -INCH HEIGHT. A SYMBOL OFA � / p ( )� Y - y Y FISH SHALL ALSO BE CAST WITH THE LETTERS / encapsulated by a 6" straight curb with the highest gutter elevation being 884.40, which meets the requirement that the Post Developed release rates (after detention without off-site / 6"0 orifice): 2yr = 0.63cfs; 1 Oyr = 0.84cfs; 1 00y = 1.30cfs ��• \ \ \, \ � \ / minimum F.F.E. shall be no less than 6" above finished grade around the building. The proposed F.F.E. has been set at Post Developed release rates (after detention with off-site / 6"0 orifice): 2yr = 0.71 cfs; 10yr = 1.04cfs; 1 00y = 6.56cfs \ \ \ \ 885.0, which meets the MLAG/MFPG requirement. Volume of detention required: 10,289 cubic feet / Volume of detention provided: 13,983 cubic feet ,0111111111 P - G L ESS G 44/�� No s PE10403858 e = a STATE OF i 0, %,/Vo I 'I0# � O 1 DATE: 10/26/2018 DWN BY: EAG CHKD. BY. EAG SCALE: 1 to = 20' DATE: 10/26/18 PROJECT NUMBER WAX.001 DRAWING NUMBER C2.2 IL SHEET 5 OF 27