HomeMy WebLinkAboutXWF~0005CITY OF DIAMOND BAR
EROSION CONTROL NOTES
Stormwater Best Management Practice Certification
u{ For All Construction Activities
Project Name Building/Grading Permit #
Project Location 1941 FLINT ROCK RD., DIAMOND BAR, CA 91765
Owner NameBO DU AND FEND YONG Contractor Name
P.O. BOX 4521,
Owner Address IRVINE CA 92612 Contractor Address
Owner Phone 909-753-2750 Contractor Phone
Owner FAX/Email Contractor FAX/Email
Background: To meet the requirements of the Los Angeles County Municipal Stormwater Permit (NPDES no.
CAS004001 Order No. 01-182), minimum requirements for sediment control, erosion control and construction activities
must be implemented on each project site.
Instructions: The following conditions shall be either incorporated as Notes or attached to the approved
construction/grading plans and represent the minimum standards of good housekeeping which must be implemented on all
construction projects.
Minimum Requirements to prevent Sediment and Pollutant transport from the site to streets, drainage facilities,
receiving waters or adjacent properties by wind or runoff:
• Sediment Control:
o Eroded sediments generated on the project site shall be retained on site using Best Management Practices
(BMPs) and may not be transported from the site via sheet flow, swales, area drains, natural drainage
course or wind.
o Vehicle traffic may not track sediments and other materials from the site. The construction entrance
roadways must be stabilized so as to inhibit sediments from being deposited into the public way.
o Accidental depositions must be swept up immediately and may not be washed down by rain or by any
other means.
o Catch Basins must be protected when working nearby.
o Slopes/Hillside susceptible to erosion shall be controlled either by covering with gravel bags or planting
and maintenance of vegetation.
• Construction Materials Control: Construction -related materials, wastes, spills, or residues shall be retained at
the project site.
o Excess or waste concrete may not be washed into the public way or any drainage system. Provisions shall
be made to retain concrete wastes on -site until they can be appropriately disposed of or recycled.
Vacuum all concrete saw cutting.
o Trash and construction -related solid wastes must be deposited into a covered receptacle to prevent
contamination of rainwater and dispersal by wind.
o Fuels oils solvents and other toxic materials must be stored in accordance with their listing and are not to
contaminate the soil nor the surface waters. All approved toxic storage containers are to be protected
from the weather. Spills must be cleaned up immediately and disposed of in a proper manner. Spills may
not be washed into the drainage system. Leaking equipment must be repaired immediately.
o Stockpiles of earth and other construction -related materials must be protected from being transported
from the site by wind or water and must be covered with tarps or plastic and held down with gravel bags.
• Non Storm Water Runoff: Non -storm water runoff from equipment and vehicle washing and any other activity
shall be contained at the project site.
BMP Examples:
Examples of erosion and sediment control BMPs for construction sites can be found at www.cabmphaiidbooks.com.
Additional Requirements:
Construction activity which disturbs one acre or greater soil will need to submit a Notice of intent (NOI) to the Regional
Water Quality Control Board found at http://www.swrcb.ca.gov/stormwtr/construction.html (at Construction General
Permit and Forms) and provide the City with a copy of the NOI and check. A local Storm Water Pollution Prevention
Plan will need to be submitted to the City prior to grading permit approval. Instructional information can also be obtained
from Public Works upon request.
Certification:
As the Gontractar. and project owner of record I certify that the selected BMPs must be installed,
monitored, and maintained to ensure their effectiveness. I have read and understand the requirements listed above,
necessary to control storm water pollution from sediments, erosion, and construction materials, and I certify that I will
comply with these requirements.
A.FEWOet'gReilWOF,,. CoRtr-Apt,,. ofnpop;a i.r.,, a N/A Title
(if applicable)
A Ei;ginccr nr Contractor of Racord Signature N/A Date
Legal Landowner Name DU BO / FENG YONG Title
Legal Landowner Signature ate
DI
RT
CALL TOIL FREE
1-800-227-2600
2 Working Days Before You Dig
Drainage Notes:
1. Flow lines on concrete surface shall have a -minimum 1%.-
slope and flow lines on landscape surface shall be a
minimum 21/a slope.
2. Concrete and Landscape areas adjacent to the building shall
be at a 20/. min slope and max 20% slope draining away
from the building. (See Detail)
3. Sheet flow on concrete cur -face sly be
landscape surface shall have a
minimum slope of 2%.
4. The flow line shall be located at a minimum 3' from the side
of the building and 5' mim from the back of the building.
5. Draining onto adjacent property is not permitted.
It
1 5' MIN. I
0
li I iF
ll2:I MAXI
P.A_D _'�.: MIN.
1 �7■ urr.T
`2% MIN., 20% MAX.
Additional Erosion Control Notes:
1. In case of emergency call HENRY C H U A N G at
714-686-9297
2. The inspector reserves the right to cbange/add to the
approved erosion control plan as needed
3. Protect the nearest downstream street curb inlet with gravel
bags and hardware/filter cloth.
4. Grate type yard catch basins must be encircled with gravel
bags having (1) one layer for each foot of width of catch
basin.
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sT� CIVIL
CITY OF DIAMOND BAR
GEOTECHNICAL ENGINEER'S STATEMENT OF COMPLIANCE APPROVED B
THIS PLAN HAS BEEN REVIEW BY MTC ENGINEERING, INC. CITY OF OND B
AND DEEMED TO BE IN CONFORMANCE WITH TH
RECOMMENDATIONS IN OUR REPORT(S) DATED 0/13/16
PROJECT NO. 1420-1-1SGA4 DAVI I CITY ENGINEE RCE 44053 DATE
REVIEW WAS LIMITED TO THE GEOTECHINICAL ASPECTS OF THE
PLAN ONLY. WE MAKE NO REPRESENTATION AS TO THE PLANREVIEWED FOR THE CITY OF DIAMOND BAR BY:
' ACCURACY OF DIMENSIONS, MEASUREMENTS, CALCULATIONS,
r�--9�'� OR ANY PORTION OF THE DESIGN. ` PENCO ENGINEERING
r 16842 VON KARMAN AVENUE, SUITE 150
a.REVIEWED BY: `� IR NE, CA 92 6
4ISO R� is+ / 2$/17
LEGAL DESCRIPTION
TRACT NO. 30091 LOT 99
OWNER: BO DU & FENG YONG D
P.O. BOX 4521 IRVINE, CA 92612
714-686-9297
SITE ADDRESS: 1941 FLINT ROCK RD. DIAMOND BAR, CA 91765
TYPE OF PLAN
SOILS ENGINEER: 4`" o�p ry{ ENGINEERING GEOLOGIST �� +
tp' �'S`�iZ rx� v ` BRENT CHAMBERLAIN RCE 41889 DATE
z C7683 `� PLAN PREPARED BY: EROSION CONTROL NOTES
�P� APPLE ENGINEERING GROUP
s, CIVIL 9080 TELSTAR AVENUE, SUITE 309 IN THE CITY OF DIAMOND BAR
4 OFCAL*EL MONTE, CA 91731
1 i DRAWN BY: Mike CHECK BY: SCALE: DRAWING NUMBER
C 8 2.Of7 ' ft ENGINEER GEOLOGIST CEG DATE 11 /06�2017
DAME DATE NAME � �3 �y ATE GUOXIN MIAO RCE 73059 DATE PATE: 11 06 2017REVISED: JOB No: 17098 oF�