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DWG INDEX: o
<br /> x STANDARD STRENGTH
<br /> FILTER FABRIC GRATE :1);
<br /> oJOINTS IN FILTER FABRIC SHALL BE SPLICED _AT POSTS. USE STAPLES, WIRE RINGS, OR
<br /> `-ri i ■ i ■ I 1 i 1 i 1 ■ 1 „ r NOTE: ONLY TO BE USED WHERE 2"x2" a o
<br /> --- _= L— _I � �` EQUIVALENT TO ATTACH FABRIC TO POSTS. BY 14 Ga. WIRE OR v
<br /> T� :..",j„,,, PONDING OF WATER ABOVE THEo
<br /> CATCH BASIN WILL NOT CAUSE EQUIVALENT, IF STANDARD 50'MIN
<br /> Ira.,:: ..n, 1 - +�o
<br /> ""'"1?? ;a, I TRAFFIC PROBLEMS AND WHERE I I _ STRENGTH FABRIC USED I -) °,,' ro
<br /> N
<br /> Iii„ OVERFLOW WILL NOT RESULT IN I a• H Ln CL
<br /> F �" �I Via"" EROSION OF SLOPES. '' FILTER FABRIC--�- : (SEE NOTE 2) �,
<br /> LIT] CATCH BASIN I ( ( „.2,,,,,,,,,\\,(\
<br /> I 111
<br /> cV /—
<br /> MAINTENANCE STANDARDS \� o il W
<br /> 1. ANY ACCUMULATED SEDIMENT ON OR AROUND THE FILTER FABRIC PROTECTION SHALL BE REMOVED. ;�-_ , ..;n Vit:.1 k����"�:•�� ,"!�_+•► `'
<br /> „�: .�_, �€ �. �,\\zZ,r.,�= \ \ a, �= r, ,= n,vat //\ \��
<br /> IMMEDIATELY. SEDIMENT SHALL NOT BE REMOVED WITH WATER AND ALL SEDIMENT MUST BE r, V°"` ":�„ ,,,'I1 „„ ` •�`••••_,,"•`
<br /> ' `-' TIT'
<br /> \\\\\*`a r\\._�.\`�'\\\ ',ten-1Y,a,-1,..t-rte s�\Ca�„--,,, e r �,,i- \ / i�i// .
<br /> DISPOSED OF AS FILL ON—SITE OR HAULED OFF—SITE. "r�„ra,W`�. l _ —"" ';Y� /.\\�\\ � y \\\ o
<br /> /1
<br /> 2. SEDIMENTIN THECATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED 6' MAX. MINIMUM 4"x4" TRENCH '�
<br /> ANY C TC A H I I I I -
<br /> ONE—THIRD OF THE AVAILABLE STORAGE. THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED — s c)
<br /> OR REPLACED AT LEAST WEEKLY. BACKFILL TRENCH WITH D
<br /> NATIVE SOIL OR 3/4"-1.5" I ;;)\- al
<br /> V
<br /> 3. REGULAR MAINTENANCE IS CRITICAL FOR BOTH FORMS OF CATCH BASIN PROTECTION. UNLIKE MANY POST SPACING MAY BE INCREASED WASHED GRAVEL /�
<br /> FORMS OF PROTECTION THAT FAIL GRADUALLY, CATCH BASIN PROTECTION WILL FAIL SUDDENLY AND TO 8' IF WIRE BACKING IS USED P LAN
<br /> COMPLETELY IF NOT MAINTAINED PROPERLY.
<br /> 2"x4" WOOD POSTS, STEEL FENCE
<br /> NOTE: FILTER FABRIC FENCES SHALL BE POSTS, REBAR, OR EQUIVALENT z
<br /> INSTALLED ALONG CONTOUR WHENEVER POSSIBLE Z W
<br /> CATCH BASIN PROTECTION 1 © N
<br /> E MAINTENANCE STANDARDS (1, 3
<br /> NO SCALE iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii�// p.
<br /> 1. ANY DAMAGE SHALL BE REPAIRED IMMEDIATELY. 1 WWWtt v.�W.41M \ , ` .....1 1u
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<br /> LEGEND 2. IF CONCENTRATED FLOWS CONVEYED TO A SEDIMENT ARE TRAP OR EVIDENT
<br /> PONDUPHILL OF THE FENCE, THEY MUST BE INTERCEPTED AND S ECTI 0 N Z
<br /> ''�'''�`''•'�''•`�" CONSTRUCTION ENTRANCE NOTES: �' 0W
<br /> "'•`•'•,'` 3. IT IS IMPORTANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND Z -�°�
<br /> •'''•''�'` ACTING AS A BARRIER TO FLOW AND THEN CAUSING CHANNELIZATION OF FLOWS PARALLEL TO THE FENCE. IF 0 p
<br /> ': THIS OCCURS, REPLACE THE FENCE AND/OR REMOVE THE TRAPPED SEDIMENT. 1O QUARRY SPALLS 3"-4"OR CRUSHED CONCRETE 3"-4". Z,�
<br /> — •II MN SII CLEARING LIMITS (HIGH VISIBILITY FENCE) 4. SEDIMENT MUST BE REMOVED WHEN THE SEDIMENT IS 6" HIGH. 2 THE 50'MINIMUM LENGTH SHALL BE LENGTHENED AS NECESSARY TO ENSURE MATERIAL IS NOT LU 3 ON
<br /> Z o
<br /> --X—X— SILT FENCE 5. IF THE FILTER FABRIC HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED. TRACKED INTO THE PUBLIC RIGHT-OF-WAY.ALTERNATE CONSTRUCTION ENTRANCES WILL BE ALLOWED C� 0
<br /> "---
<br /> -0--.4 .... INTERCEPTOR SWALE WITH APPROVAL OF THE PUBLIC WORKS DIRECTOR ON A CASE BY CASE BASIS,WHERE PHYSICAL SITE
<br /> CONDITIONS AND SIZE DICTATE L
<br /> CATCH BASIN PROTECTION SILT FENCE �LD" Z r...0
<br /> O3 EXISTING DRIVEWAY RAMP,OR SITE ACCESS ROAD 20'WIDE MIN.MATERIAL MUST BE EQUAL TO
<br /> OR BETTER THAN SPECIFIED IN NOTE 1. Q
<br /> NO SCALE (r
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<br /> 20 o to 20 40 t h ,;r:1? tZ..`477,41' € Days Before You Dig SHEET
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<br /> 1" = 20' 2 1 9606 19thAve SE, Bldg A & B — Civil Plans — PW1208-012 I 5 I 6 I 7 I
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