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HomeMy WebLinkAboutD-22640B2 o- r') LO r%i 00 0 0 rt 0 O C Z N rn C 3 O 0' 14' -0" TOE WIDTH CHANNEL, D SYMMETRICAL 0 0 J o� W D U) w O I- p J I I I w 1 0 o Q ------------------ A op o n Of 0 Lo a o � B l �w 0 I 'n W a- a- d o ¢oo N of o w w w O J STREAMBED GRAVEL TYP of o b o w 4' -0" 4' -0" o I ww it MIN. MIN. o N > 2:1 TYP. _____ ____.` a= Q W w A.I /� of d C) 1n / 0 0 0 N 0 - I --------------- SEE LOW FLOW NOTCH DETAIL, w CHANNEL, SYMMETRICAL I a8' -0" 8' -0" EXTENT OF GEOTEXTILE COVERED WITH 8" MIN > DEPTH OF QUARRY SPALLS, GRANULAR 7' -0" 7' -0" BACKFILL & STREAMBED GRAVEL UPSTREAM ---------------- _ _ __ OF SEAL LOG i 2 TYP _ It UNDISTURBED GROUND A SEE SHT. 5 FOR EXCAVATE AS STEEPLY AS _ I I . UPPER LOG CREST ELEV I POSSIBLE ABOVE GRAVEL �-1-, BREAK POINTS io ' __ - 2 Tom' COMPACTED GRANULAR BACKFILL -- - -- -- B L_______ L STREAMBED GRAVEL, 12" MIN DEPTH 2' THICK RIPRAP LAYER i TYP EACH LOG C - C VEGETATION NOT LOG DROP STRUCTURE LOG DROP STRUCTURE CREST �y, . -1 = UPPER LOG SHEETS 19-rL q UPPER LOG ! T 22 II 20' -0' - VARIES (EFFECTIVE SLOPE = 57) 12' -Ol 3' -0" 5' -0" 5' -0" STREAMBED GRAVEL RIPRAP RIPRAP GEOTEXTILE 2.1 TYP' (VARIES, SEE SHEET 5) TYP TYP LIMITS TYP E C i 2' THICK RIPRAP LAYER TYP 2 X 6 PRESSURE TREATED SEAL, GI SEAL D EDGE WITH TO PROVIDE SEAL LOG B BOARD MITER ' 18 "0 MIN. UPPER LOG SEALED EDGES AND ATTACH TO -- f - - - -- BELOW I GA X NAILS. TH 2 X 4 TYP SEE PROFILE, SHEET 5 STREAMBED GRAVEL FOR CREST ELEV TYP 12" MIN. DEPTH TYP I i -- -- I___ - - - -'� ATTACH GEOTEXTILE (NICOLON570 I! / -- -- OR EQUAL) TO UPPER LOG WITH ; /! STREAMBED GRAVEL GRADE LOGS ARE SIMILAR UPPER LOG 2 X 4 PRESSURE TREATED WOOD ! 12" MIN. DEPTH TYP TO LOG DROPS EXCEPT E CLEAT, FULL LOG LENGTH TYP ORIENTED a ORIENTED VERTICALLY ; j / > SEE NOTE 2 PRECAST CONCRETE f ! FIOW ° ° ~ --D OVER GEOTEXTILE WITH DRILL 1 3 8 "0 HOLE ®30; i1 m 8" EPTH OF QUARRY SPALLS BALLAST BLOCK / f AND GRANULAR BACKFILL TYP DRIVE (2) #10 REBAR THROUGH LOGS. AND EMBED INTO CREEK / BED AT LEAST 4' TYP FLOW I 4' -0" TOE WIDTH IMMEDIATELY DOWNSTREAM OF LOG STRUCTURE, SEE SECT D -D ON SHEET PLAN D_ to o J � W w t- Cy CHANNEL, SYMMETRICAL > _ -- - - -2 TYP. I - - - -- 8" MIN. QUARRY SPALLS OVER GEOTEXTILE UPSTREAM OF SEAL LOG. A - A CHANNEL, SYMMETRICAL 13' -0" - LOW FLOW NOTCH DETAIL - E` 7• -0" 5" -0" 18 "0 MIN. UPPER LOG I -0" SEE SHEET 5 FOR CREST ELEV. TOE OF SLOPE ON D/S ---- - - - - - -- SIDE OF LOG --- - - - - -- ------------------------- 2 TYP. L LEVELING SHIMS, SEE SECTION E 18 "0 MIN. SEAL LOG #10 REBAR (2 REQ'D) E 2' THICK RIPRAP ON DOWNSTREAM SIDE OF LOGS SEE PLAN FOR EXTENTS B -.B ,Yw,o _s 7_ 22 4C 9 I � A � SUBGRADE \ N 18 "0 SEAL LOG COMPACTED GRANULAR BACKFILL I D - D GRADE LOG STRUCTURE DETAIL UNDISTURBED GROUND STREAMBED GRAVEL, 12" MIN DEPTH '.. EXCAVATE AS STEEPLY AS CHAIN TO HOLD POSSIBLE BREAK POINTS GRAVEL AND CONCRETE TO NOTCH LOG 2" DEEP BY 1:1 TYP NOTES: RIPRAP BREAK POINTS � CONCRETE BLOCK 2" WIDE FOR CHAIN 1. UPPER LOGS FOR LOG DROPS & 2' THICK RIPRAP, SEE 18 "0 UPPER LOG GRADE LOGS SHALL BE RELATIVELY PLAN FOR EXTENTS CREST ELEVATION PER STRAIGHT AND SET LEVEL TO WITHIN PROFILE ON SHEET 5 _ 18 "0 UPPER LOG ±1/4" OVER THE WIDTH OF 3/4"0 BOLTS OR ALL FLOW EXPOSED PORTION OF LOG. THREADED RODS PRESSURE TREATED OR CEDAR WOOD SHIMS FOR 2. GRADE LOG STRUCTURES ARE SIMILAR LEVELING TO LOG DROP STRUCTURES EXCEPT UPPER LOG ATTACHED TO 1O J -- WITHOUT NOTCH, GEOTEXTILE, 2X4 ECOLOGY BLOCK WITH CHAIN (TYP.) o� ! 1.5'H X 3' X 3' PRECAST ti CLEAT &SEAL. SECTS A =A, B -B CONCRETE BALLAST BLOCK AND C -C APPLY TO GRADE LOGS wj - EXISTING GROUND 10 ' EXCEPT AS INDICATED ABOVE. 1/4" L-11- 1' -6" ELEVATION SECTION E - E LOW FLOW NOTCH DETAIL 2' THICK RIPRAP, SEE PLAN FOR EXTENTS 0 4 SCALE 0 2 FEET SCALE 0 2 FEET 8 - UNDISTURBED GROUND I, I, I i I I 1 1 I I I I 1/4" = V -0" - COMPACTED GRANULAR FILL 1/2" = 1' -0" 1/2" = 1' -0° EXCEPT AS NOTED - LOCALIZED EXCAVATION FOR LOG /BLOCK INSTALLATION APPROVED CITY OF RENTON - 1.5'H X 3' X 3' PRECAST CONCRETE Si' + POSpL DEPARTMENT OF PUBLIC WORKS 6ALLAST BLOCK, PLACE AS NEAR' TO Q of wASy! LZ' BY D DATE -6- 73 �w �� END OF SEAL LOG AS POSSIBLE MAPLEWOOD CREEK FISH CHANNEL PROJECT m� het ? Yr, = LOG, DROP STRUCTURE A ^ PLAN, SECTIONS, AND DETAILS —92 9 �n �, / \'!e�✓�� DESIGNED: DEP p� E-IS7'ER�' $t� � DATE: 7/1/98 FILE NAME: SHEETII �`r'SIONAL,�l Engineers and Scientists DRAWN: DEP Bellevue, Washington CHECKED: DPT SCALE: AS SHOWN nELD BOOK: PAGE: ExPiPES 12-21-99 TEL- (425) 602 -4000 - FAX (425).602 -4020 N0. REviSIDN BY APPR.1 DATE APPROVED: SHEET: 11 OF: 22 SCANNFD1 MAR '3 0 2000 a 0 o R1 O d n w p , t N � N n 41+ y u N A CI