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020 Drainage Plan
� SERjyc w H o STAHLY Lu a W 9'�fOCIRTES� 7, STAHLY < ENGINEERING E & ASSOCIATES W w w w ©—ss-f�—ss ss W W w w o ss s ss SS SS W w f -e PROFESSIONAL ss Ss ss W ENGINEERS& o ss f- ss ss W W SURVEYORS W.BABCOCK ST.(90-ROW) -t www.seceng.com S 2223 SON TANNA AVE. D 0 BILLINGS, MT 59101 uGE uG GE '" ," � I ��' I Phone(406)601-4055 _._.:.: x(aofi)6o Fax: 1-ao6z U --__ UGE - - 3H 0 CENTENNIAL DR.TRIPLEX m • :. TRIPLEX ,; TRIPLEX TRIPLEX 6 : _: � CURB SC -- --I Phone:(406)442-8594 /'�C �E 01 INAVG ::II ALE \ ---- IN I U o I 851 Bx: 4 2-8557 DGER . 1 R ` 1 8OCq}I SF : SIN 4 III A BUILDING C \\ SIN 8 + ,l OZEM N MT 59715 BA s \ P 406)522-8594 PERM BLE PAVERS Fax:(406)522-9528 N n � > ISSUE/REVISION I � W W - W W W BUILDING B � :" ;'= _::. •,_ -_;.. \\ \ 0 N _ o B DATE Y o Z 1 2-4-21 ZWL .". C NNE T �S TO SS SS = -- `9G A DESCRIPTION M DIR SH CREE SS 5 P (T P� CONCEPT SITE PLAN No. DATE BY RAINA �� -- - -- PONDING TOP AREA=7,862 SF v, c� :-- pR --_�\ POND DEPTH 1.5 FT • i 2 DESCRIPTION Z BASF D g -: C0._..: CT D�0 �� D __:;;. __�� POND VOLUME-9 ZWL SITE BASIN 4A N 11J m I v --;:- DEPTH=1.5 FT --.__" -_-:- -_-:>- �q _ 6>G _ ONDADEP 2 11 T I o o --.: VOLUME=4,67 / / �O2y ON OLUME 2 - 6 DAOTE22 N3 DESCRIPTION B E PONDING PUP AREA F / D a Z - __ PONDING TOP AREA 2,178 SF o I ... PO EPT -1.5 FT :: ZWL D ME- ,532 CF POND POND p�PTH=LS FT 1G�5� .o INFRASTRUCTURE PLAN "- -" _-- D V01/U E-2,567 CF �� � I No.I DATE BY B LDING A 4 7-14-22 ZWL DRY WELL I - ---- � DESCRIPTION BUILDING B CONNECTED TO "v' I�, � - ROOF DRAINS -^ o BUILDING v : - I No. DATE BY 5 _ I Q xDESCRIPTION SI -W 4- - -- W W _. - - W.- W - W D Y E L (T P) VJ aI B 2A INU 26 UPPER -:I k W I : DIN' 2 RB SCU �"-s - O 2D d F o - --__-__- -------- . ASIN 1A BASI Z Z Z - ------ 0 I AREA=2,716 4 SF ------- UGE -------------------- -- POND DEPTHS--2 FT POND DEPTH=1.5 FT PONDING TOP AREA-3,661 SF ---------------- -- :.; 5 C7 ------------POND-DEPT -1.5 FT £f------ ------ - :s Q W Z ut N P6Np-V6LBME=},66�6F---_-�QLY�DEPTH_1_5 FT SNOW STORAGE °17 LL POND VOLUME=3,788�F---- ---- -- ^�--�Sg SO Z SB _ -a° y PONDING TOP AREA=1,694 SF ---------- X ¢ W POND D PTH=1.5 G TOP AREA=2,148 SF ONDING EA=1,4943SF W 60" S M Z 0_ N 1 POND VOLU = CF OND E _ .5 FT OND D PTH=1.5 FT INSLL NEW 16 :_ Q m -9L POND VOLUME-1,8 7 CF POND VOLU E=1, (STORM MW IN.:. E N I I V I I � I I I I I I m Palisade Dr. N Tq AAg,/'rq DRAINAGE PLAN N p ,�i o I 9 WIL I L WE 3 =9' N • 923PE DESIGNED:ZWL 4� 0 20 40 80 �s ��/w-I�Q �/� DRAWN: NCC �i�s••CEN SF+•••\�� DATE: 7-14-22 SCALE IN FEET Z. 7i�s�O1NIA`1� ,` SHEET C5.0