17-0442 07 SHEET SWPPP NARRATIVE 2-16-18GENERAL PROJECT INFORMATION CONSTRUCTION A C TI VI TY NOTES CONSTRUCTION NOTES
PR 0 JEC T L OCA TION AND NA RRA Tl VE:
THIS PROJECT CONSISTS OF A 3 L 0 T SUBDIVISION IN CHA NHA SSEN, MN. THE SITE IS L OCA TED NEAR
LONGITUDE -9,3.6077, LA Tl TUDE 44.8675. THE SITE IS ACCESSED FROM DOGWOOD ROAD.
CONSTRUCTION A C Tl Vl TIES INCLUDE GRADING., A GGREGA TE AND BITUMINOUS PLACEMENT
.. CURB AND GU T TER
lNS TA L L A TION, AND U TIL l T Y lNS TA L L A TION. SITE CONSTRUCTION IS PLANNED TO BEGIN SUMMER OF 2018
AND COMPL E TED BY THE FALL OF 2018.
RESP ONSI BL E PAR TIES:
CONTRACTOR MUST BE TRA/NEO FOR BOTH CONSTRUCTION INSTALLER AND SITE MANAGEMENT PER
REQUIREMENTS OF THE PERMIT PART lll. F.
PETER & DEANNA BRA ND T PETER & DEANNA BRA ND T 952 - 334 - 0565
0 WNER
0 T TO A SSOCIA TES, INC.
CON TA C T PERSON
PAUL 0 T T 0
PHONE
76,3-682-4727
PLAN PREPARER CONTACT PERSON PHONE
TRAINING: 112012016 (EXP/RES 20 7 9) U OF MN CER T/F/CA TION -DES/GN OF CONSTRUCTION SWPPP
CONTRACTOR (RESPONSIBLE FOR CONTACT PERSON PHONE
INS TALLA T1 ON &INSPECT/ON)
TRAINING:
--------------------------------------------------------------
PROJECT AREAS:
PROJECT SIZE (DIS TURBED FOR S/ TE DEVELOPMENT) = 0.6 ACRES
EXI S TING A REA OF IMPER VI O US SURFA CE = 0. 1 A CRES
POST- CONSTRUCTION AREA OF IMPERVIOUS SURFACE = 0.6 ACRES
TO TA L NEW IMPERVIOUS SURFACE AREA CREA TED = 0.5 ACRES
RECEIVING WA TERS:
SURFACE WATERS AND WETLANDS THAT WILL RECEIVE STORM WATER RUNOFF FROM THE SITE AND ARE
WITHIN ONE (1) MILE OF THE SITE ARE INDICATED WITH DIRECTION ARROW ON THE SWPPP PLAN SHEET
AND ARE LISTED BELOW.-
NAME OF WA TER BODY
L A KE MI NNE WA SH TA
I MPA I RED WATER
YES
THE OWNER SHALL SUBMIT A NOTICE OF TERMINATION (NOT) WITHIN 30 DAYS AFTER FINAL STABILIZATION
IS COMPLETE.
ALL CONSTRUCTION A C Tl Vl TIES MUST MEET THE REQUIREMENTS OF THE MPCA 'S NPDES GENERAL
S TORM WA TER PERMIT FOR CONSTRUCTION A C Tl Vl T Y.
EROSION PREVENTION:-
ALL
REVENTION:
ALL EXPOSED SOIL AREAS (INCL. STOCKPILES) MUST BE STABILIZED. STABILIZATION MUST BE
lNl TlA TED IMMEDIATELY TO L lMl T SOIL EROSION BUT COMPLETED NO CASE LATER THAN 7 DAYS
AFTER THE CONSTRUCTION A C Tl Vl T Y IN THAT PORTION OF THE SITE HAS TEMPORARILY OR
PERMANENTLY CEA SED.
TEMPORARY TURF RES TORR TION SHALL BE MNDO T SEED MIX 21-111 @ 100 LB/ACRE WITH
MNDOT TYPE 7 MULCH @ 2 TONS/ACRE (D/SC ANCHORED). STABILIZATION MUST BE INITIATED
I MMED/A TEL Y BUT /N N 0 CASE COMPLETED LATER THAN 7 DA YS AFTER THE A C Tl Vl T Y IN THA T
POR TION OF THE S/ TE HAS TEMPORAR/L Y OR PERMANENTLY CEASED.
PERMANENT TURF RES TORR T/ON SHALL BE MND 0 T SEED MIX 25-1,31 C°? 220 LB/ACRE WITH
MNDO T TYPE 7 MULCH @ 2 TONS/ACRE (DISC ANCHORED).
SEDIMENT CONTROL PRA C Tl CES:
THE CON TRA C TOR SHA L L BE RESPONSIBL E TO CON TROL SEDIMEN T- L A DEN SURFA CE WA TER
FROM LEAVING THE CONSTRUCTION ZONE. ALL M OBI L I ZED SED I MEN T THAT HAS LEFT THE
CONS TRUC TION ZONE SHALL BE CDL L EC TED BY THE CDN TRA C TOR AND PROPERLY DISPOSED OF
A T NO A DDI TIONA L COS T TO THE 0 WNER.
EN TERING/EXI TING THE Sl TE SHALL OCCUR ONL Y A T TEMPORAR Y CONS TRUC TION EN TRANCE TO
L lMl T TRACKING OF SED I MEN T ONTO S TREE TS.
TEMP ORA R Y SOIL STOCKPILES SHALL HAVE SILT FENCE OR OTHER EFFE C Tl VE SED I MEN T
CONTROLS INSTALLED AROUND THE PERI ME TER.
DUST CONTROL MEASURES SHALL BE I MPL EMEN TED AND MAINTAINED AT ALL TIMES DURING
C DNS TR U C TI ON, AND WITHIN 4 HOURS OF N 0 TI FI CA TION BY THE Cl T Y.
CONSTRUCTION SEQUENCING:
7) PRECONS TRUC TION MEETING.
2) INS TA L L PER/METER SIL T FENCE, lNL E T PRO TEC TION ON EXISTING CA TCH BASINS &
CONSTRUCTION ENTRANCE.
3) CLEAR/NG & GRUBBING.
4) ROUGH GRADE SITE.
5) INS TALL U TIL / TIES.
6) TEMPORARY STABIL lZE Sl TE AS INDICA TED ON THE PLANS.
7) COMPLETE STREET CONSTRUCTION.
8) PRI VA TE UTlLl TY INS TALLA TION.
9) RES TORE Sl TE Wl TH PERMANENT RES TORR TION.
7 0) REMOVE SED/MEN T CONTROL DE VICES & SUBM/ T NO TICE OF TERM/NA TION (NOT) TO MPCA
ONCE ALL DISTURBED AREAS HAVE 70% l/EGE TA T/ VE DENS/ T Y.
EROS/ON &SEDIMENT CONTROL BMP ESTIMATED QUANTITIES:
QUANTITIES L /S TED ARE APPROXIMATE. REFER TO CONTRACT DOCUMENTS FOR EXA C T
QUANT/ TIES.
tMa
QUA N TI TY
SIL T FENCE
765 LF
R 0 CK CONST. ENTRANCE
I EACH
MND O T 3885 CAT 3 EROSION CONTROL BLANKET
1440 S Y
INLET PR 0 TEC TI ON
4 EACH
MND O T SEED MIX 25-1,31 W/TYPE I MULCH
0.3 ACRES
INSPECTIONS AND MA IN TENA NCE:
THE CONTRACTOR MUST ROU T/NEL Y INSPECT THE CONSTRUCTION SITE ONCE EVERY SEVEN (7) DAYS
DURING ACTIVE CONSTRUCTION AND WITHIN 24 HOURS OF A RAINFALL EVENT GREATER THAN 0.5
INCHES INA 24 -HR PERIOD. INSPECTION LOGS SHALL INCLUDE ANY CORREC Tl VE MEASURES TAKEN.
ALL INSPECTIONS MUST BE RECORDED AND RECORDS RETAINED WITH THE SWPPP ON SITE. THE
SWPPP, ALONG WITH INSPECTIONS AND MAINTENANCE RECORDS, SHALL BE RETAINED FOR THREE
YEARS AFTER SUBMITTAL OF THE NOT/CE OF TERMINATION (NOT).
SILT FENCE MUST BE MAINTAINED WHEN A CCUMUL A TED SEDIMENT REACHES 1/3 OF THE DEVICE
HEI GH T. l NL E T PR 0 TEC TI ON D E Vl CES SHALL BE CLEANED ON A R 0 U TI NE BASIS SUCH THAT THE
DE VI CES ARE FULLY FUN C Tl DNA L FOR THE NEXT RA lNS TORM EVENT. REMOVAL AND DISPOSAL OF THE
SEDIMENT SHALL BE INCIDENTAL TO THE CONTRACT.
TEMP ORA R Y C ON S TR U C Tl ON ENTRANCE SHALL BE CLEANED AND REFRESHED AS NECESSARY TO
CONFORM TO DE TA lL .
OFF- Sl TE VEHICLE TRACKING SHALL BE REMOVED WITH 24 HOURS OF DISCOVERY.
P OL L U Tl ON PREVENTION:-
ALL
REVENTlON:
ALL SOLID WASTE GENERATED B Y/COL L EC TED FROM THE CONSTRUCTION SITE MUST BE DEPOSITED IN
A DUMPS TER.
NO CONSTRUCTION MA TERI A L SHALL BE BURIED OR BURNED ON Sl TE.
ALL HAZARDOUS MA TERIA L S OIL, GA SOL INE, FUEL, PAINT, ETC) MUST BE PROPERLY
STORED/CON TA INED TO PREVENT SPILLS, LEAKS OR OTHER DISCHARGE. STORAGE AND DISPOSAL OF
HAZARDOUS WASTE MUST BE IN COMPLIANCE WITH ALL APPLICABLE STATE AND FEDERAL
REGUL A TI ONS. ALL VEHICLES LEFT ONSITE SHALL BE M ONI TORED FOR LEAKS TO REDUCE THE
CHANCE OF C ON TA MI NA TION.
EXTERNAL WASHING OF TRUCKS OR OTHER CONSTRUCTION VEHICLES, ENGINE DEGREASING, NOR
CONCRETE WASHOUTS ARE ALLOWED ON SITE. TRUCKS ARE TO USE SELF-CONTAINED WASHOUT
S YS TEM.
ALL SPILLS SHALL BE CLEANED IMMEDIA TEL Y UPON DISCOVERY. SPILLS LARGE ENOUGH TO REACH
THE STORM CONVEYANCE SYSTEM SHALL BE REP OR TED TO THE MPCA STA TE DU TY OFFICER A T
1-800-422-0798.
CON TRA C TOR SHALL MONITOR AND PR 0 VIDE DUST CONTROL COLLECTION WHEN NEEDED.
FI NA L S TA BIL I ZA TI ON:
THE CON TRA C TOR MUS T ENSURE FINAL S TA BIL IZA TION OF THE Sl TE. THE PERMI TEE MUS T SUBMI T A
N 0 Tl CE OF TERMI NA Tl ON WITHIN 30 D A YS A F TER FINAL S TA BI L I ZA TION IS COMPLETE.
SUFFICIENT TOPSOIL (6-f) SHALL BE PLACED ON DISTURBED AREAS FOR RE- VEGETA TION.
ALL TEMP ORA R Y ER O Sl ON CONTROL MEASURES AND BMP 'S MUST BE REMOVED AS PART OF THE
FINAL SITE S TA BI L I ZA Tl ON.
TRA /N/NG REQU/REMEN TS:
CONTRACTOR MUST BE TRA/NEO FOR BOTH CONSTRUCTION INSTALLER AND SITE MANAGEMENT PER
REQUIREMENTS OF THE PERM/ T, PART Ill. F. DOCUMEN TA TION SHALL BE ADDED TO THE SWPPP
DOCUMENTS LOCA TED ONS/ TE.
REV. NO. DATE BY DESCRIPTION
DESIGNED DR,4WN
C. S. 0. T. J. B.
CHECKED
C.S.O.
l hereby certify that this plan, specification, or report was prepared by
me or under my direct supervision and that l am a duly Licensed
profes Tonal Engineer under the laws of the State of Minnesota.
Paul E Otto
# 40062 Date: 2-16-18
r7
9 West Division Street
TTO (763)682-4727Buffalo,MN 313
Engineers & Land Surveyors,. Inc. Fax (763)682-3522
SOCiATES"cense
THE A SECOND A
PETER & DEANNA BRANDY
CHANHASSEN , MN
STORMWATER POLLUTION
PREVENTION PLAN NARRATIVE
17-0442
SHEET NO. 7 OF 9 SHEETS
DATE.' 2-16-18