HomeMy WebLinkAbout1802824410082-02162016e STORM WATER AND EROSION CONTROL PLAN
5113 Gorgas Ave.
Edina, MN GENERAL GRADING NOTES:
1. Specifications applicable for this project: Current Standard
Specifications for the City of Edina; the latest Minnesota
Department of Transportation Specifications for Highway
Construction.
2. OSHA requirements shall be followed for all work on this
project.
3. The contractor shall notify "Gopher State One Call" 48 hours
prior to any excavation. (1-800-252-1166)
4. The Grading Contractor shall held verify all locations and
elevations of underground utilities with utility companies prior
to any construction, and immediately notify the Engineer of any
conflicts.
5. The Grading Contractor shall provide positive drainage on the
site at all times. Grading tolerances shall be 0.10' for hard
surface areas and 0.25 for green spaces.
6. Existing topsoil shall be salvaged to provide 4" topsoil coverage
over all disturbed areas to be revegetated.
7. The building pad must be provided with a positive outflow. This
work shall be incidental to the grading contract.
8. Any sediment remaining in place after the silt fence has been
removed shall be dressed to conform with the existing grade,
prepared and seeded or sodded as directed by the City Engineer.
9. No finished slope shall exceed 4H : IV unless otherwise noted.
,E5 D7 • 0 Denotes Existing Elevation
CDDenotes Proposed Elevation
--.1--,Denotes Surface Drainage
Denotes Existing Contour
Denotes Proposed Contour
0 0 Proposed Sift Fence per
a Proposed Inlet Protection per lE)
c) SILT FENCE INSTALLATION LEGEND
EROSION CONTROL NOTES:
1. All erosion and sediment control BMPs (i.e. silt fence, bio-rolls,
rock construction entrance, inlet protection, etc.) shall be installed
prior to the commencement of any construction activity.
2. Inlet protection shall be installed at any inlet that may receive
runoff from the disturbed areas of the project.
3. Install sediment control HMI's, such as silt fence, around all
stockpiles.
4. All exposed soils, including stockpiles, shall be temporally
stabilized per Mn/DOT Specification 2575 within 7 days after
construction activity has temporally ceased.
5. All erosion and sediment control devices shall be maintained until
all disturbed areas have been permanently stabilized.
6. Remove all soils and sediments tracked or otherwise deposited
onto public pavement areas on a daily basis.
7. All erosion and sediment control BMPs shall be inspected every 7
days, or within 24 hours of all rain events greater than 0.5" in 24
hours. Corrective action required shall be initiated immediately.
8. Silt fence, bio-rolls and inlet protection devices most be repaired,
replaced or supplemented when they become nonfunctional or the
sediment reaches 1/3 the height of the device. These repairs must
be made within 24 hours of discovery, or as soon as field
conditions allow.
9. After final grading has been completed, exposed soils most be
permanently stabilized within 72 hours. Permanent stabilization
shall consist of 4 inches topsoil, and seed mulch and fertilizer
applied by methods and rates recommended in Mn/DOT
Specification 2575 and Mn/DOT Seeding Manual, or sod as
approved by the City Engineer. The seed mix shall be Mn/DOT
25-151.
10. Inlet protection may be removed for a particular inlet if a specific
safety concern (flooding / freezing) has been identified. The
permitted must receive written correspondence from the City
Engineer verifying the need for removal.
11. All erosion and sediment control devices shall be removed from
the site after permanent stabilization has been established.
SCALE IN FEET
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Proposed Rock Constmction Entrance pea E)
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NO GRADING SHALL BE DONE
OUTSIDE OF SILT FENCE
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CLIENT:
STEPHEN LONGMAN BUILDERS, INC.
5113 West 58th Street
Edina, MN 55436
Surveyor.
The Gregory Group, Inc. d.b.a.
Lot Surveys Company 7601 73rd Avenue N.
Brooklyn Park, MN 55428
phone 763-560-3093
fax 763-560-3522 Attn: Greg Prasch
Contractor: Stephen Longman Builders, Inc.
9401 Preston Place
Eden Prairie, MN 55347
Attn: Steve Phone: 952-943-8226
Engineer:
The Gregory Group, Inc. d.b.a.
Lot Surveys Company
7601 73rd Avenue N.
Brooldyn Park, MN 55428
phone 763-560-3093
fax 763-560-3522
Attn: Jeff Presch
Benchmark:
Top nut of hydrant located in the cul-de-sac of Gorges Ave.
Elevation = 889.96 feet NGVD 29
PROPOSED ELEVATIONS:
First Floor = 891.36 feet
Top of Block = 890.5 feet
Garage Floor= 890.0 feet
Lowest Floor = 880.79 feet
Sport Court = 875.0 feet Average Front Grade" 890.0 feet
Contractor to confirm floor, wail 8 peak elevations prior to construction.
LEGAL DESCRIPTION:
The South 66 feet lying West of the East 135 feet of Lot 58, Auditor's Subdivision No. 172,
Hennepin County, Minnesota.
I hereby certify that this plan, specification, or report was prepared by mere under my direct supervision and that tame duly Licensed Professional Engineer under the laws of the State of
Nlinnesota.
Dated this 16th day of February, 2016.
Signed
REVISIONS: 3-IS-IC TREE PROTECTION FENCE
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CATCH BASIN INLET PROTECTION
INLET PROTECTION
ABSTAIN STORY
FILTER ASS [A
POLYESTER SLEEVE
INSERT TO BE USED SHALL BE A TOGO. LANCE INCHISTRES
'ROM ORAN' SME, OR APPROVED EQUAL TO PE
UTEEEO El THE EXISTING ROADAAY CASTING.
TO BE USED PI CONJUNCTION HYTH A NEENAH
CASTING NO. 11-3067 TYPE DR, DL, OR TYPE V
OR APPROVED EQUAL
0 ROCK CONSTRUCTION INSTALLATION
1° TO 2° WASHED ROCK
ROCK SIZE SHOULD BE 1° TO 2. El SEE SUCH AS ICEDOT EA-1
Oft CA-2 COUREE AGGREGATE (WASHED)
A GEoTEXTILE GARP° PAY BE USED ULCER THE ROCK TO PREVENT
EGRAT10,1 Of THE ONDERLYC* SOL TNTO THE STONE
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