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MANES NO GUARANTEE THAT llE INgEP(ROIND LOCALES LANG SURVEYOR
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ADDITIONS ARID STAIRS ARE I
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I ?u 23 'SALT Qi INSTALL AND MANNTAIN INLET PROTECTION DURING I I
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la Revisions and Addendum* ASH AVENUE PUBLIC WORKS YARD SHEET
Description Date Ho. By SCALE 1%40' PUBLIC 1
MllLlc MORKa DEPARTMENT
t- 15 125 S.W.HALL BLVD.
ROAM OREGON 97223 DEMOLITION PROJECT OF KXCE:503-639-WI
. TIGARD F JOTicARO Q70752
e �� 12800 SW ASH AVENUE 2
DE8IOH:XXX!DRAWN xXXTC XXX PRat. NO'XXx lao D.• EROSION CONTROL/DEMOLITION PLAN FILE 26
Standard Erosion Control Notes For Sites Less Than One Acre: Filter Fabric Use Stitched Loops 60" Oak Posts 1" X 75"
Angle Both Ends Of 10' On Center
Material Over 2 X 2" Posts ]liter Fabric Fence To Heavy Duty
1. During periods of rainfall and runoff, doily inspections of the erosion sediment controls Assure Soi! Is _.._._. Staples
and discharge outfalls must be provided by someone knowledgeable and experienced in ilter Fabric iF' Trapped :: 48" Orange :: (5 ea)
the principles, installation, and maintenance of erosion and sediment controls. '' Material k0 _. __ Synthetic ---.. 48" Orange
2. Construction activities must avoid or minimize excavation and creation of bare ground -,. 36" Wide Roll ' ca -- ---• Fabric Fence •-- Synthetic
,, Interlock and Attach 2 -
from October 1 through May 31 each year. Ri y jf aWel�jy.,a a Fabric Fence
3. During wet weather period, temporary stabilization of the site must occur at the end of 1 -_ 2"x 2" Posts At Splices
each work day. ' 6' Max. S•acin• I ?
Top View 'G•.
4. Sediment controls must be installed and maintained on all down gradient sides of the Front View $ide View
construction site at all times during construction. They must remain in place until ORANGE FENCE
permanent vegetation or other permanent covering of exposed soil is established. /VOTES SEDIMENT NTS
5. All active inlets must have sediment controls installed and maintained at all times 1. Sediment fencing consists of a geotextile fabric usually 36" in FENCE
during construction. Unless otherwise approved, a surface mounted and attachable, width with regular spaced pockets of supporting posts. 1"x2"x3' Wooden Stakes
u-shaped filter bag is required for all curb inlet catch basins. SPACING ON
P 9 9 2. Sediment fence must be trenched at least 6" into the ground. 1 (2 per bag)
6. Significant amounts of sediment which leaves the site must be cleaned up within 24 The use of a "ditch witch" or other mechanical means is helpful. SLOPES • a ,_ a`u
hours and placed back on the site and stabilized or properly disposed. The cause of 3. Sediment fence must be stretched tight between the posts. Do Slope Spacing q o -b '''°,:,.,v,/a ��:,�
the sediment release must be found and prevented from causing a recurrence of the not allow The fence to sag or break away from the fence posts. < 10Z 300 ft • ar ar °i u `�s'` .,���
discharge within the same 24 hours. Any in-stream clean up of sediment shall be g y P o 4 ° ��~�'`.
performed according to the Oregon Deportment of State Lands required time frame. 5. More that one row of sediment fence may be required. Fencing < 159 150 ft �? / 3"
7. Sediment must not be intentionally washed into storm sewers, drainage ways, or water should be Located no more than 100' from the upper edge of a < 20� 100 ft SECTION VIEW
bodies. disturbed area. Space silt Fencing in rows no greater than 100'. < 30% 50 ft /VOTES
6. Sediment fences are effective only in sheet flow conditions and < 50% 25 ft 1. Embed Bio-bas 3" Below Ground
8. Sediment must be removed from behind all sediment control measures when it has should not be Installed across streams or other concentrated • + g
reached a height of one-third the barrier height, and prior to the control measures > 50q 25 ft Surface. Shovel Excavate for Contour Fit
removal. flows f stockpile slope To Ground
9. Cleaning of all structures with sumps must occur when the sediment retention capacity SEDIMENT FENCE 2. Drive Stakes Minimum 12" Into Ground
has been reduced by fifty percent and at completion of project. NTS Surface
10. Any use of toxic or other hazardous materials must include proper storage, application, BIO-BAG SEDIMENT BARRIER
and disposal. May Be Used Short Term 4
1 1. The permittee must properly manage hazardous wastes, used oils, contaminated soil, Catch Basin Grate N T
concrete waste, sanitary waste, liquid waste, or other toxic substances discovered or
with Utility Work And with
Phasing Of Development '
generated during construction. _7171 ;y;7
v 12. The application rate of fertilizers used to reestablish vegetation must follow e'..t-'.4' ie Suspension
o low a '1111111:1'44':'1 Flow M
ma nufacturer's recommendations. Nutrient releases from fertilizers to surface waters ---� ; . �- .° .. >:. t Cords/Rods
must be minimized. Time release fertilizers should be used and core should be made ;^ W it ., ' --t Catch
w in application of fertilizers within any water way riparian zone. ` '"Y I!., p s 4.
PP Y Y P �2 Basin .�:�.
.k, 14. Prior to any land disturbing activities, the boundaries of the clearing limits, vegetated '-�- .ii,-Et ' 0•.$ Filter Sock
o buffers, and any sensitive areas shown on this plop shall be clearly delineated in the El. : =� - tAle e-
q field, unless otherwise approved. No disturbance is permitted beyond the clearing limits. ==�11''s "'
q The contractor must maintain the delineation for the duration of the project. Note: 60" 1
i' Vegetated corridors to be delineated with orange construction fence or approved equal. Insert Sack - Front View
15. Prior to any land disturbing activities, the BMPs (Best Management Practices) that must Catch 8asirt Area Drain
. - be installed are gravel construction entrance, perimeter sediment control, and inlet ,
NI e protection. These bmp's must be maintained for the duration of the project. l Flow
a^
El 16. If vegetative seed mixes are specified, seeding must take place no later than i? is °° `�1" Rebor For 7 September 1st; the type and percentages of �eed in the mix are as identified on plans 11 "i'" 1 MA '"
��� 's""'�'` Flow Ditch Bag Removal
or ass specified by the design engineer. hil�„,, . Catch
P Y 9 4 ' �I niirnm�'= . O 8ottom Basrn
�fUUnr �-
17. Watertight trucks must be used to transport saturated soils from the construction site. iij,, m 2"x2" "
W An approved equivalent is to drain the soil on site at a designated location using xi Rubber Blocks
^ appropriate BMPs; soil must be drained sufficiently for minimal spillage. ninny Storm Expansion
x,. 18. All pumping of sediment laden water must be discharged over an undisturbed, Overlap Bags e.e.,rN
P P 9 9 6" Min. (typ) :rK: Pipe Restraint
q preferably vegetated area, and through a sediment control bmp (i.e. Filter bog). "'""'= � Filter Sock
19. The ESC plan must be kept onsite. All measures shown on the plan must be installed Plant Section
i 3' properly to ensure that sediment laden water does not enter a surface water system, Ditch Inlet
Z roadway, or other properties. Note. Insert Sock Side View
ii 20. The ESC measures shown on this plan are the minimum requirements for anticipated 1. Additional Measures Must Be Considered
site conditions. During the construction period, these measures shall be upgraded as Depending On Soil Type. _tints;
`a. needed to maintain compliance with all regulations. 2. Bio-filter Bags Should Be Staked Where Recessed curb inlet must be blocked when
h� 21. Written ESC logs are suggested to be maintained onsite and available to district Applicable Using (2) 1"x2" Wooden Stakes using filter fabric inlet sacks size of filter
c inspectors upon request. Or Approved Equal Per Bag. fabric inlet sacks to be determined by
N 22. In areas subject to wind erosion, appropriate BMPs must be used which may include 3. When Using 30" Bio-bags To Protect A manufacturer.
the application of fine water spraying, plastic sheeting, mulching, or other approved Catch Basin You Must Have 4 Bogs And
measures. They Shall Be Overlapped By 6" FILTER FABRIC INLET
23. All exposed soils must be covered during wet weather period. 9I0-FILTER BAGS TEMPORARY PROTECTION
NTS NTS
Revisions and Addsnduma ENOINEERINO DIVISION ASH AVENUE PUBLIC WORKS YARD SHEET
Description 1 Date f10. By 'I PUBLIC WORKS DEPARTMENT 2
it 73725 S.w. ,- BLVD. DEMOLITION PROJECT
nGARD, OREGON 97223 OF
ip.000. VOICE: 503-639-4177
FAX 503-624-0752 12800 SW ASH AVENUE FILE MO
ea . TIGARD www.na4RD-oR.GOv
DESIGN:XXX i DRAW%XXX [CHECK:XXX PROJECT NO: 97026 Erosion Control D e t a i l s 97026