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STORMWATERPOLLUTION PREVENTIONPLAN (SWPPP) P E R M A N E N T S T O R M W A T E R M A N A G E M E N T S Y S T E M : T y p e o f s t o r m w a t e r m a n a g e m e n t u s e d i f m o r e t h a n 1 a c r e o f n e w i m p e r v i o u s s u r f a c e i s c r e a t e d : P R O J E C T L O C A T I O N 1 - M I L E B O U N D A R Y R E C E I V I N G W A T E R S CITY OF ORNO PUBLIC WORKS - 2022CITY OF ORNOHENNEPIN COUNTY, MINNESOTA P R O J E C T L O C A T I O N : R E C E I V I N G W A T E R S : R e c e i v i n g w a t e r s , i n c l u d i n g s u r f a c e w a t e r , w e t l a n d s , P u b l i c W a t e r s , a n d s t o r m w a t e r p o n d s , w i t h i n 1 - m i l e o f t h e p r o j e c t b o u n d a r y a r e i d e n t i f i e d o n t h e U S G S 7 . 5 m i n q u a d m a p a b o v e . R e c e i v i n g w a t e r s t h a t a r e i m p a i r e d , t h e i m p a i r m e n t , a n d W L A a r e l i s t e d a s f o l l o w s . A l l s p e c i f i c B M P s r e l a t i v e t o c o n s t r u c t i o n a c t i v i t i e s l i s t e d i n t h e p e r m i t f o r s p e c i a l , p r o h i b i t e d , r e s t r i c t e d , o r i m p a i r e d h a v e b e e n i n c o r p o r a t e d i n t o t h i s p l a n . A l l s p e c i f i c B M P s l i s t e d i n a p p r o v e d T M D L s a n d t h o s e B M P s l i s t e d f o r c o n s t r u c t i o n r e l a t e d w a s t e l o a d a l l o c a t i o n s h a v e a l s o b e e n i n c o r p o r a t e d . D E S C R I P T I O N O F C O N S T R U C T I O N A C T I V I T I E S A N D S T O R M W A T E R M A N A G E M E N T : C o n s t r u c t i o n a c t i v i t i e s i n c l u d e : S i t e g r a d i n g ; s a n i t a r y s e w e r , s t o r m s e w e r , a n d w a t e r m a i n e x t e n s i o n s ; p a r k i n g l o t c o n s t r u c t i o n ; t e m p o r a r y e r o s i o n a n d s e d i m e n t c o n t r o l ; a n d p e r m a n e n t s t a b i l i z a t i o n . S t o r m w a t e r c u r r e n t l y s h e e t f l o w i n g t o t h e s o u t h w e s t c o r n e r o f t h e s i t e , d r a i n i n g i n t o t h e w e t l a n d . A f t e r c o n s t r u c t i o n i s c o m p l e t e s t o r m w a t e r w i l l b e c o l l e c t e d v i a c u r b & g u t t e r i n t o s t o r m d r a i n s w h i c h d i s c h a r g e i n t o a f o r b a y a n d f i l t r a t i o n b a s i n . E a c h b a s i n w i l l h a v e a n o v e r f l o w t h a t u l t i m a t e l y d i s c h a r g e s i n t o t h e a d j a c e n t w e t l a n d . T h i s p r o j e c t i n c l u d e s t h e f o l l o w i n g s t o r m w a t e r m a n a g e m e n t B M P : F i l t r a t i o n b a s i n . I M P L E M E N T A T I O N S C H E D U L E A N D P H A S I N G : T h e C o n t r a c t o r i s r e q u i r e d t o p r o v i d e a n u p d a t e d s c h e d u l e a n d s i t e m a n a g e m e n t p l a n m e e t i n g t h e m i n i m u m r e q u i r e m e n t s o f S e c t i o n 1 7 1 7 o f t h e M i n n e s o t a S t a n d a r d S p e c i f i c a t i o n s f o r C o n s t r u c t i o n . 1 ) S u b m i t S W P P P U p d a t e s t o E n g i n e e r . S u b m i t t a l s h a l l i n c l u d e a n y r e q u e s t e d c h a n g e s t o t h e S W P P P , i n c l u d i n g b u t n o t l i m i t e d t o : T r a i n e d P e r s o n n e l , L o c a t i o n s f o r S t o c k p i l e s , C o n c r e t e W a s h o u t , S a n i t a t i o n F a c i l i t i e s , T y p e s a n d L o c a t i o n s o f E r o s i o n & S e d i m e n t C o n t r o l . F a i l u r e t o s u b m i t u p d a t e s s h a l l b e c o n s i d e r e d a c c e p t a n c e o f t h e S W P P P a s d e s i g n e d w i t h n o c h a n g e s . 2 ) I n s t a l l p e r i m e t e r s e d i m e n t c o n t r o l , i n l e t p r o t e c t i o n , a n d c o n s t r u c t i o n e x i t . 3 ) G r a d a n d e x c a v a t e s i t e 4 ) I n s t a l l u t i l i t i e s 5 ) G r a d e s i t e 6 ) C o n s t r u c t c u r b a n d g u t t e r 7 ) P a v e p a r k i n g l o t 8 ) A d d a d d i t i o n a l t e m p o r a r y B M P s a s n e c e s s a r y d u r i n g c o n s t r u c t i o n b a s e d o n i n s p e c t i o n r e p o r t s . 9 ) E n s u r e f i n a l s t a b i l i z a t i o n m e a s u r e s a r e c o m p l e t e . 1 0 ) P r o v i d e d i g i t a l c o p y o f a l l F i e l d S W P P P D o c u m e n t a t i o n i n c l u d i n g I n s p e c t i o n R e p o r t s a n d S W P P P R e v i s i o n s t o t h e O w n e r . 1 1 ) S u b m i t N o t i c e o f T e r m i n a t i o n ( N O T ) t o M P C A . N O T E : T h e N O T m u s t b e s u b m i t t e d t o M P C A b e f o r e F i n a l S t a b i l i z a t i o n i s c o n s i d e r e d c o m p l e t e . The SWPPP Designer, Construction SWPPP Manager, and BMP Installer must have appropriate training. Documentation showingtraining commensurate with the job duties and responsibilities is required to be included in the SWPPP prior to any work beginning o n the site. Training documentation for the SWPPP Designer is included on the Narrative sheet. The Contractor shall attach trainingdocumentation to this SWPPP for the Construction SWPPP Manager and BMP Installer prior to the start of construction. Thisinformation shall be kept up to date until the project NOT is filed.RESPONSIBLE PARTIES:The Contractor and Owner will be joint applicants under the MPCA's General Stormwater Permit for Construction Activity as requiredby the National Pollutant Discharge Elimination System (NPDES) Phase II program.The Contractor shall provide one or more trained Construction SWPPP Manager(s) knowledgeable and experienced in the applicationof erosion prevention and sediment control BMPs that will oversee the implementation of the SWPPP, and the installation, inspectionand maintenance of the erosion prevention and sediment control BMPs.A Construction SWPPP Manager must be available for an on-site inspection within 72 hours upon request by the MPCA.ADDITIONAL COMPENSATIONPayment for all work associated with Erosion and Sediment Control shall be as described in the Project Manual. Unless otherwiseauthorized by the Owner no additional payment shall be made for any work required to administer and maintain the site erosion andsediment control in compliance with the Minnesota Pollution Control Agency (MPCA) - General Stormwater Permit for ConstructionActivity (MN R100001) including but not limited to inspection, maintenance, and removal of BMPs or addition of BMPs toaccommodate Contractor phasing.DOCUMENT RETENTIONPermittees must make the SWPPP, including all inspection reports, maintenance records, training records and other informationrequired by this permit, available to federal, state, and local officials within three (3) days upon request for the duration of the permitand for three (3) years following the NOT.GENERAL STORMWATER DISCHARGE REQUIREMENTSAll requirements listed in Section 5.1 of the Permit for the design of the permanent stormwater management system and dischargehave been included in the preparation of this SWPPP. These include but are not limited to:1.The expected amount, frequency, intensity, and duration of precipitation.2.The nature of stormwater runoff and run-on at the site3.Peak flow rates and stormwater volumes to minimize erosion at outlets and downstream channel and stream bank erosion.4.The range of soil particle sizes expected to be present on the site.Permanent stormwater treatment systems for this project have been designed in accordance with the guidance in the MN Stormwate r Manual in place at the time of bidding. Copies of the design information and calculations are part of this SWPPP and will be provided i n digital format upon written request to the Engineer. F E E T S C A L E 0 1 5 0 0 3 0 0 0 W e t S e d i m e n t a t i o n B a s i n x I n f i l t r a t i o n / F i l t r a t i o n R e g i o n a l P o n d P e r m a n e n t S t o r m w a t e r M a n a g e m e n t N o t R e q u i r e d C O U N T Y T O W N S H I P R A N G E S E C T I O N L A T I T U D E L O N G I T U D E H E N N E P I N T 1 1 8 N R 2 3 W 3 3 4 4 . 9 8 5 0 ° - 9 3 . 5 9 6 8 ° B M P S U M M A R Y Q U A N T I T Y U N I T I n l e t P r o t e c t i o n 8 E a c h C o n s t r u c t i o n E x i t 1 E a c h S e e d M i x 4 . 2 A c r e s E r o s i o n C o n t r o l B l a n k e t 2 . 2 A c r e s S i l t F e n c e 3 4 4 7 L F S e d i m e n t C o n t r o l L o g s 9 1 7 L F N A M E O F W A T E R B O D Y T Y P E ( d i t c h , p o n d , w e t l a n d , l a k e , e t c . ) S p e c i a l , P r o h i b i t e d , R e s t r i c t e d W a t e r 1 F l o w s t o I m p a i r e d W a t e r W i t h i n 1 - M i l e 2 U S E P A A p p r o v e d C o n s t r u c t i o n R e l a t e d T M D L 3 S t u b b s B a y L a k e N o Y e s H g - F , N u t r i e n t s L a k e C l a s s e n L a k e N o Y e s N o n e COMPANYCONTACT PERSONPHONE OWNER:City of OronoAdam T.Edwards952-249-4600 SWPPP DESIGNER:Bolton & Menk, Inc.Kyra Oliver612-416-0220 CONTRACTOR:TBDTBDTBD CONSTRUCTION SWPPP MANAGER:TBDTBDTBD PARTY RESPONSIBLE FOR LONG TERM O&M:City of OronoAdam T. Edwards952-249-4600 T o t a l P r o j e c t S i z e ( d i s t u r b e d a r e a ) = 9 . 5 A C R E S E x i s t i n g a r e a o f i m p e r v i o u s s u r f a c e = 0 . 3 A C R E S P o s t c o n s t r u c t i o n a r e a o f i m p e r v i o u s s u r f a c e = 0 . 0 A C R E S T o t a l n e w i m p e r v i o u s s u r f a c e a r e a c r e a t e d = 0 . 0 A C R E S P l a n n e d C o n s t r u c t i o n S t a r t D a t e : 0 5 / 0 1 / 2 0 2 2 E s t i m a t e d C o n s t r u c t i o n C o m p l e t i o n D a t e : 1 0 / 3 1 / 2 0 2 2 P R O J E C T A R E A S : PROJECT L O C A T I O N P R O J E C T B O U N D A R Y N A T I O N A L W E T L A N D S I N V E N T O R Y S P E C I A L O R P R O T E C T E D W A T E R S O R 1 - M I L E B O U N D A R Y L E G E N D R E C E I V I N G W A T E R S R 1 S p e c i a l , p r o h i b i t e d , a n d r e s t r i c t e d w a t e r s a r e l i s t e d i n S e c t i o n 2 3 o f t h e M N C o n s t r u c t i o n S t o r m w a t e r G e n e r a l P e r m i t ( M N R 1 0 0 0 0 1 ) . 2 I d e n t i f i e d a s i m p a i r e d u n d e r s e c t i o n 3 0 3 ( d ) o f t h e f e d e r a l C l e a n W a t e r A c t f o r p h o s p h o r u s , t u r b i d i t y , T S S , d i s s o l v e d o x y g e n , a n d / o r a q u a t i c b i o t a . 3 C o n s t r u c t i o n R e l a t e d T M D L s i n c l u d e t h o s e r e l a t e d t o : p h o s p h o r u s , t u r b i d i t y , T S S , d i s s o l v e d o x y g e n , a n d / o r a q u a t i c b i o t a . I M P A I R E D W A T E R S O R O E R T E L A R C H I T E C T S , L T D . 1 7 9 5 S a i n t C l a i r A v e n u e p h o n e : ( 6 5 1 ) 6 9 6 - 5 1 8 6 S t . P a u l , M i n n e s o t a 5 5 1 0 5 w w w . o e r t e l a r c h i t e c t s . c o m S H E E T N O : S H E E T N A M E : PLOTTED:PROJECT NAME: I H E R E B Y C E R T I F Y T H A T T H I S P L A N , S P E C I F I C A T I O N , O R R E P O R T W A S P R E P A R E D B Y M E O R U N D E R M Y D I R E C T S U P E R V I S I O N A N D T H A T I A M A D U L Y L I C E N S E D P R O F E S S I O N A L E N G I N E E R U N D E R T H E L A W S O F T H E S T A T E S I G N A T U R E : R E V I S I O N S : D A V I D A . R E Y 4 0 1 8 0 PROJECT NAME: N O T E S : C L I E N T : C O N S U L T A N T : L I C E N S E # D A T E D R A W N B Y C H E C K E D B Y P R O J E C T N U M B E R D A T E Not for Construction1/28/2022 14:19:14 D A R D C R 0 V 1 1 2 5 0 4 4 ORONO PUBLIC WORKS FACILITY 0 3 / 0 4 / 2 0 2 2 CITY OF ORONO ORONO PUBLIC WORKS FACILITY 365 OLD CRYSTAL BAY RD. N ORONO, MN 55356 0 3 / 0 4 / 2 0 2 2 - 9 5 % D R A F T S E T N o . D a t e D e s c r i p t i o n 0 3 / 0 4 / 2 0 2 2 R 7575 GOLDEN VALLEY ROAD, SUITE 200 MINNEAPOLIS, MN, 55427 O F M I N N E S O T A . C 1 . 6 2