16-0139 06 SHEET PRELIMINARY GRADING - PRIMARY 10-24-17z 13
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FILTER FABRIC
6" MINIMUM DEPTH
1" - 2" WASHED ROCK
18" MINIMUM CUT OFF BERM
TO MINIMIZE RUNOFF FROM SITE
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Biore t en t ion Soil Mix B (by volum e):
70X woshed sond
30.E orgonic leof compost
Max -W.- 1L Sinne ..- 'p- 21- -t,
Geogrid Wrop, connected with zip ties
2" Choker Course, 18, 178, or 189 Stone
157 Stone, Pipe width + 2" Above Pipe -
SOD SPILL WA Y
934.2
-Bioreten tion Soil Mix B
Geogrid Wrop, connected with zip ties
2" Choker Course, 18, 178, or 189 Stone
157 Stone, Pipe width + 2" Above Pipe
3" Shredded Bork Mulch
- Bioreten tion Plants
12" RCP
- - -
I6 J- �'6" PVC Solid Pipe
Tronsition from Sold to Perforoted Pipe
00 6" Perforoted Pipe
Non - Compoc ted Subgrode
NOTE: FILTER FABRIC SHALL BE PLACED UNDER ROCK In-situ soils sholl be ripped to o depth of 12" prior to a zona su gra a correc �%JH or o re uce a requiremen o
plocing omended sols with o chisel plow, ripper or sub -soler Select Granular Borrow to 12 based on the test roll.
0
TO STOP MUD MIGRATION THROUGH ROCK. fr it rl
BIo tatin With �
wEo t evatedUnderrIda
No t To Scole
ROCK CONSTRUCTIL)N ENTRANCE DETAIL -ICL RESIDENTIAL STREET SION5200
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25' 25'
14' to Back 14' to Back
Wear Course to be 1/2" `oQe
Above Edge of Gutter S
e 3.0% 2.0%
1'
1.5 1
4" Topsoil, Seed 1 1/2" -Plant Mixed Bituminous Wearing Course
& Mulch or Sod. Type #41 WEA50055B
Tack Coat - 2357
Surmountable
Concrete Curb 2" -plant Mixed Bituminous Base Course
Type #31 BBB50000B
12" -Class 5 Aggregate Base, 100% Crushed
24" MNDOT 3149.28 Select
Granular Borrow (See Note 7)
NOTES
1. Right -of -Way Required - 50'.
2. Maximum street grade 7.0%.
3. Minimum street grade 0.75%.
4. 4.0" Topsoil placed in disturbed areas.
5. 2 Rolls sod behind curb.
6. The bituminous wearing surface shall be placed the next construction
season following placement of the bituminous base.
7. A test roll of the prepared subgrode shall be performed by the owner
in the presence of o city inspector. The city has the authority to require
dd•t• 1 b d t' t d th t f 24" MNDOT
0 30 60
Feet
SCALE: 1 "=30'
Recommended Toe -In Method
Set Posts Firmly (Post Shall Be Oak
or green treated)
Fabric per MNDOT 3886,
Fasten with Lath, Nails or
4'-p" Staples. Color sholl be
-Emm-ffimm/ftft�m international Orange
L-- 6" Min. Depth
QA Dig or Disc Trench ® Lay in Fabric & Backfill
EROSION CONTROL
FENCE - TYPE 1
Steel Fence Posts
sholl be used to
Support Snow Fence
(Woven Wire may be
Subsituted for Snow
Fence) • - • '
EROSION CONTROL
FENCE - TYPE 2
Steel Fence Posts
sholl be used to
Support Snow Fence
Woven Wire may
be Subsituted for
Snow Fence)
'
' ♦
Silt Fence
' ' '' • ' ' '
s • �' '« • • • • ' ' ' ' ~'�'
• " • . • • «
Hav or Straw Boles
Two rebors driven through bole
1.5' to 2.0' into the ground.
•' • ' �"
•
Boles to be recessed 6" below
grade.
EROSION CONTROL
Boles ore to be tied with a
Non-Degrodoble Moteriol.
FENCE - TYPE 3
SILT FENCE DETAIL
GRADING AND EROSION CONTROL NOTES
1. THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES ARE SHOWN IN AN
APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL DETERMINE THE EXACT
LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK. HE AGREES
TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMANGES WHICH MIGHT BE
OCCASIONED BY HIS FAILURE TO EXACTLY LOCATE AND PRESERVE ANY AND ALL
UNDERGROUND UTILITIES.
2. CONTRACTOR SHALL BE FAMILIAR WITH AND FOLLOW ALL REQUIREMENTS OF THE
MPCA NPDES PHASE II PERMIT FOR CONSTRUCTION ACTIVITIES. THE CONTRACTOR SHALL
CONDUCT WEEKLY EROSION CONTROL INSPECTIONS, INSPECTIONS AFTER 24 HOUR RAINFALL
EVENTS OF 0.5" OR MORE AND MAINTAIN INSPECTION LOGS THAT INCLUDE CORRECTIVE MEASURES
TAKEN. BY BEGINNING CONSTRUCTION, THE CONTRACTOR ACKNOWLEDGES THE TERMS
OF THIS PERMIT AND AGREES TO ABIDE BY THEM.
3. ALL SILT FENCE SHALL BE INSTALLED PRIOR TO ANY GRADING ACTIVITY
UNLESS OTHERWISE NOTED.
4. ALL DISTURBED AREAS SHALL BE STABILIZED WITH MN/DOT SEED MIXTURE 250
(70 LBS/ACRE) AND MN/DOT MULCH TYPE 1 (2 TON/ACRE & DISC ANCHORED).
FERTILIZER SHALL BE 24/12/24. THE MAXIMUM TIME AN AREA CAN REMAIN OPEN WHEN
THE AREA IS NOT ACTIVELY BEING WORKED IS: 7 DAYS FOR SLOPES STEEPER THAN
3:1, 14 DAYS FOR SLOPES 10:1 TO 3:1, AND 21 DAYS FOR SLOPES FLATTER THAN
10:1.
5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR TEMPORARY DITCHES, PIPING, OR
OTHER MEANS REQUIRED TO INSURE PROPER DRAINAGE DURING
CONSTRUCTION.
6. ANY DEWATERING SHALL BE DISCHARGED TO A TEMPORARY SEDIMENT BASIN.
7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTENANCE OF ALL EROSION
CONTROL DEVICES UNTIL SITE HAS A UNIFORM VEGETATIVE COVER WITH A DENSITY
OF 70% OVER THE ENTIRE PERVIOUS AREA, MAINTENANCE SHALL INCLUDE BUT NOT
BE LIMITED TO THE FOLLOWING:
a. REMOVE SEDIMENT FROM PONDS AND DITCHES WHEN HALF FULL AND UPON
COMPLETION OF CONSTRUCTION. (WITHIN 72 HOURS)
b. REMOVE SILT WHEN ACCUMULATION REACHES ONE-THIRD THE
HEIGHT OF THE SILT FENCE. (WITHIN 72 HOURS)
c. MAINTAIN ROCK CONSTRUCTION ENTRANCE. REPLACEMENT DURING
CONSTRUCTION MAY BE NECESSARY.
d. ANY DEPOSITING OF SILT OR MUD ON NEW OR EXISTING STORM SEWERS
OR SWALES SHALL BE REMOVED AFTER EACH RAIN AND AFFECTED AREAS
CLEANED.
8. THE CONTRACTOR SHALL BE RESPONSIBLE FOR KEEPING EXISTING HARD
SURFACES CLEAN OF SEDIMENT AND MUD. SEDIMENT & MUD SHALL BE
REMOVED WITHIN 24 HOURS OF DISCOVERY.
9. THE CONTRACTOR SHALL COMPLETELY REMOVE ALL TEMPORARY EROSION AND
SEDIMENT CONTROL MEASURES WHEN THE SITE HAS 70% VEGETATIVE DENSITY.
10. COLLECTED SEDIMENT, ASPHALT AND CONCRETE MILLINGS, FLOATING DEBRIS, PAPER,
PLASTIC, FABRIC, CONSTRUCTION AND DEMOLITION DEBRIS AND OTHER WASTES MUST
BE DISPOSED OF PROPERLY AND MUST COMPLY WITH MPCA DISPOSAL REQUIREMENTS.
11. STORAGE AND DISPOSAL OF OIL, GASOLINE, PAINT AND ANY HAZARDOUS SUBSTANCES
MUST BE IN COMPLIANCE WITH MPCA REGULATIONS.
12. EXTERNAL WASHING OF TRUCKS AND OTHER CONSTRUCTION VEHICLES MUST BE LIMITED
TO A DEFINED AREA OF THE SITE. & CLEARLY LABLED AS SUCH. RUNOFF MUST BE CONTAINED AND
WASTE PROPERLY DISPOSED OF. NO ENGINE DEGREASING IS ALLOWED ON SITE. WASH AREAS TO BE
A MINIMUM OF 200 FEET FROM ANY WETLANDS, PONDS, OR OTHER WATER BODIES.
13. STOCKPILES SHALL BE A MINIMUM OF 200 FEET FROM ANY WETLAND, POND, OR OTHER WATER
BODY. STOCKPILES SHALL BE STABILIZED WITH TEMPORARY SEED (MN/DOT MIX 150) & MULCH
AND SILT FENCE SHALL BE INSTALLED AROUND THE BOTTOM WITHIN 7 DAYS FROM THE LAST
ACTIVITIES THAT FORMED THE STOCKPILE.
14. WOOD CHIPS MAY BE USED TO STABILIZE SLOPES.
REV. NO. DATE BY DESCRIPTION DESIGNED DRAWN I HEREBY CERTIFY THAT THIS PLAN WAS PREPARED BY ME OR www,ottoassociates.com PROJECT NO:
1 10-24-17 T.J.B. UPDATE PROPOSED ROAD UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY PRELIMINARY GRADING PLAN
P.E.O. T.J.B. REGISTERED PROFESSIONAL ENGINEER UNDER THE LAWS OF 9 West Division Street LOTUS WOOD S
THE STATE OF MINNESOTA. �61.�
O Buffalo, MN 55313 (PRIMARY) 16-0139
CHECKED O�P.E.O. Pain E. Otto(763)682-4727 CHANHASSE N , M N SHEETNO,
SSOCIATES Fax.• (763)682-3522 DATE.•DATE: 10-24-» LICENSE N0. 40062 Engineers &Land Surveyors, lnc. 6 OF 11 SHEETS 5-20-16