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HomeMy WebLinkAboutTheler Trail Repair - BLD Plot / Site Plans - 2/21/2014 WDFW TBM N.1#2 El.,=12.84 • NORTH— WOFWT13M N.1#3 El— 11.64 is,CMP CULVERT 7-7- ON CAD PROnLEALIGNAtENr wo- 9 WDFW T13M Hub 04 8- 12.97 THE RESTORATIONAREA TRAP JNCLUOESAPPROAIMATEL Y7 ACRES OF ESTUARINE HABITAT IFTHEAREAON BOTH SIDES OF THE ROAD ARE INLCUDED. MUD WDFWTBM Hal#a Ekw. 13.04 OCATION OF THEE)GSTING CULVERTAND RFLOWPIPF WITH ATOE GATE.THE j STING CULVERT WAS BURIED UNDER THE TRAIL AND BLEW OUT DURING A HIGH TIDE EVENT.WDFW HAS RECOMMENDED THAT THE EXISTING CULVERTBE REPLACED WTTHA4'DLA, CULVERT TOACCOMODATE FISH PASSAGE.IN ORDER TO PREVENT TIDAL FLOODING DURING HIGH TIDES IT WILL BE NECESSARY TO INSTALL A WDFW Tw WomT0M WDFWT13M N SELF REGULATING TIDE GATE TO CONTROL THE Hot"SWIL "A Nd n Bev. 14AMB Md IM Elov.-I&= TIDAL CLELVATION BEHIND THE TRAIL LEVEE IT IS PROPOSED TO APPROACH THE PROJECT IN TWO PHASES TO MATCH THE A VALIABLE FUNDING PHASE 1 WILL REPLACE THE CULVERTAND INCLUDE A FLOW CONSTRICTOR ON THE NEW 2 CULVERT.PHASE WILL INSTALL THE SELF REGULATING TIDE GA TE COMPLETE THE TRAIL REPAIR.SEE PROFILEAND IMAGES FLAB I INCLUDED WITH THE PERMIT APPLICATION. X_T THELER TRAIL REPAIR EXISTING CONDITIONS T- TOPOGRAPHIC MAPPING T PREPARED EMSTM PROZE MR THE C RUNE SHOWN ON THE PLAN WDFW-SURVEY AND TOPOGRAPHIC MAPPING H0PJZONTAl SC.-LE:1tiw ESA INC.-DRAFTING AND DESIGN VERTICAL SCALE 119 DATE.,2-21-14 lly-- 990 15 THIS PROFILE IS NO THE LOW LINE PfOFILE. 1 31 FOOT LONG 12" PVC I E CL WE H VE E TABLI ED HAPPEN TO G PIPE WITH A TIDE GATE ( TRAIL ELEV. = 12.3 ROUGH THISBER . THE ENTIRE ESTU4RY AND ONTH WEST END. H TLA D ACROSS E ROADWAY LOWS TO THE TRAI D. EL CV. = 1.4 EAST IE _ .8 THOU WAVE RUN p IIEVEE. APPROX. 7 ACRES OF ESlJARINj HABITAT. 10 HHW = 9.3' EX. 21" D A. X LON CM CUL RT EAT IE= .43, ST IE 5.34 5 TI -ELEVATIONS - NAVD 88'DATU EXI ING 1 " X 22' CMP CUL RT 5 MH MH W = .3 HIGHEST )kNNUAL TIDE = 11.4 EXTREME HW = 13.3 COMVERSI N TO MLLW ATUM 2.9 'TON VD 811 DAT M 0 0 5 1 234 DO 4 EXISTING PROFILE FOR THE CENTERLINE SHOWN ON THE PLAN SHEET HORIZONTAL SCALE: 1"=50 VERTICAL SCALE: 1"=5' i TEMPORARY THELER TRAIL REPAIR INSTALL A 40' LONG X 18" DIA. 3034 PVC SEWER PIPE INSIDE THE EXISTING 21" CMP REMOVE 12" OVERFLOW PIPE AND TIDE GATE. REBUILD TRAIL FILL WITH A 2:1 SLOPE. ESTIMATED QUANTITIES: 1. 50 CUBIC YARDS BANK RUN GRAVEL 2. 40 FEET OF 18" DIA. 3034 BS SEWER PIPE 3. 20 TONS OF } MINUS TRAIL TOPPING GRAVEL MIX TO RESTORE SURFACE. 4. 12 TONS OF LARGE LOOSE RIP RAP. 5. USE EXISTING SOILS FOR TOP SOIL, PLANT WITH GRASS SEED AND COVER WITH 6" OF STRAW. THELER TRAIL 2• 10 TON 2', EX_TRAIL FILL LARGE LOOSE RIP RAP - - ---------- -- -- ----- CULVERT ENTRANCE 77REGRADE NG GROUND LINE c� O N r� 2+50 PROFILE — THELER TRAIL REPAIR 3+00 3+50 PROPOSED EMERGENCY REPAIR SCALE: 1"= 10 FEET HORIZ. AND VERTIACAL TEMPORARY THELER TRAIL REPAIR PHASE 1: INSTALL 48" CULVERT WITH 75% FLOW CONSTRICTION. PHASE 2: INSTALL CONCRETE HEADWALL AND SELF REGULATING TIDE TIDE GATE. REMOVE TEMP. FLOW CONSTRICTION. FUTURE PRECAST CONCRETE HEADWALL FUTURE THELER FOR SRT MOUNTING SRT TRAIL 10" OF WATER IN CULVERT FUTURE SELF REGULATING TIDE GATE EQUIP. • 2. WHEN TIDE IS OUT. INSTALL 48" VBFG HORIZONTAL OPENING :• SRT BY JULE TIDE GATES OR EQUAL. 4(0 LONG,•48" DIA. CULVERT ------------ ---'--- ------------------------ ---------- ---------- REGRADE CULVERT ENTRANCE NOTE: SET OE OF CULVERT EXISTING GROUND LINE AT ELEVATON 4.6 NAVD 88 BED CULVERT IN 3" OF FUTURE QUARRY SPALL CRUSHED ROCK AND 9" OF PAD FOR PRECA T 3" MINUS QUARRY SPALLS, CONCRETE FOOT` G d Qo O N Ln r` 2+50 PROFILE - THELER TRAIL REPAIR 3+00 PROPOSED CULVERT REPLACEMENT SCALE: 1"= 10 FEET HORIZ. AND VERTIACAL TEMPORARY THR ER TRAII REPAIR PHASE 1: INSTALL 48-CULVERT MATH FLOW CONSTRICTION AND HEADWALL PHASE 2• INSTALL SELF REGULATING TIDETIDE GATE REMOVE TEMP. FLOW CONSTRICTION. CONCRETE HEADWALL FUTURE THELER FOR SRT MOUNTING SRT 10'OF WATER IN QULVET2T FUTURE SELF REGULATING TIDE GATE EQUIP. WHEN TIDE IS OUT. INSTALL 48"VBFG HORIZONTAL OPENING SRT BY.RULE TIDE CATES OR EQUAL 40'LON 48' DMA.CULVERT �— �- REGRACE CULVERT ENTRANCE NOTE SET IE OF CULVERT POSTING GFOUND LINE r —J AT ELEVATON 4.6 NAVD BB BED CULVERT IN OF QUARRY SPALL CRUSHED ROC(AND 9-OF PAD FOR PRE 3-MINUS QUARRY SPALLS CONCRETE FOOT G d cD c N 2+00 2+50 3+00 3+50 PROFILE — THELER TRAIL REPAIR PROPOSED CULVERT REPLACEMENT SCALE: 1"= 10 FEET HORIZ. AND VERTIACAL EXISTING TRAIL ELEV. 12.4 28' LONG CONCRETE HEAD WALL y TOP HEADWALL ELEV. 9.75 1.5:1 SLOPES WITH • `1 '!••, ~ <" 12" OF 8' MINUS ••' COBBLE FOR EROSION •'' EXISTING MARSH CONTROL - TYPICAL 48- CULVERT INVERT ELEV. 4.6 i. BOT. HEADWALL FTG. ELEV. 2.5 FOR PHASE 1 PROJECT: INSTALL A GALV. FACE PLATE OVER THE END OF THE CULVERT THAT PROVIDES A 14' FLOW CHANNEL AT THE BOTTOM OF THE CULVERT. A 14" FLOW CHANNEL PROVIDES A FLOW AREA ROUGHLY EQUAL TO THE FLOW AREA OF A 24" DIA. CMP CULVERT PIPE- SECTION - THELER TRAIL REPAIR PROPOSED CULVERT REPLACEMENT SCALE: 1"= 4 FEET HORIZ. AND VERTIACAL THELER TRAIL REPAIR PROPOSED IMPROVEMENT PROFILE AND TYP. SECTION P►tIEPAftW BY: WDFW-8tJRVEYAW 10POQR41W YAPPM MA Wr--DRAF M AW DESww