Loading...
HomeMy WebLinkAbout200909-KnutsonProgressPrint', 'N!)# 3 �+�L A) 1 �'' �.Is H�l� # v ._....i� ,� '#��'. _ �k); i [�� :• �^h.�� II � _`i � ° �.•� ! .. • •Ak �-•� i.. � r L .� p NOME PE140 = AY VILLAGE COUNCIL C�[�-=g V m0(9 10VnLuVw pI�DG�O � Q�g LQI�LQ�I�LQ VILLAGE OF PEDRO BAY PLANT DATA DIVERSION SPILLWAY ELEVATION 398.0 FEET S PROJECT HEADWATER ELEVATION 395.0 FEET POWERHOUSE FINISH FLOOR ELEVATION 200.0 FEET TAILWATER ELEVATION 190.0 FEET TOTAL PLANT GROSS HEAD 205 FEET DESIGN FLOW 18.0 CFS AFAIRBANKS FULL FLOW HEAD LOSS FULL FLOW DYNAMIC HEAD 20 FEET 155 FEET PENSTOCK LENGTH 6,500 FEET RATED POWER OUTPUT 200 KW JUNEAU BETHEL� DILLINGHAM' ~ ILIAMNA UNALASKA KODIQK JSTATE LOCATION MAP polarconsult alaska, inc. ENGINEERS - PLANNERS • ENERGY CONSULTANTS 1503 WEST 33RD AVE, SUITE 310 PHONE (907) 258-2420 ANCHORAGE, ALASKA 99503 FAX (907) 2SB-2419 NO. DATE REMSIONS I KNM50N BAY .. (LAKE IUAMNA) 30 31 20 32 -6 .IP 15 (SECOND MERIDWN),_ PR 15 ( DIVERSIONS AND INTAKE STRUCTURE �Lf PENSTOCK AND ACCESS TRAIL INTAKE ACCESS BRIDGE 21 22 i IBIRARY Ri' I HYDRO POWERHOUSE AND TNL4CE AFCESS ROAD EXISTIING AW TRNL 28 27 I SHEET INDEX 1 C-1 HYDROAC'CESS ROAD RAN AM PROFILE SHEET INDEX C-2 HYDRO ACCESS ROAD PLAN & PROFILE C-3 HYDRO ACCESS ROAD PLAN & PROFILE C-4 HYDRO ACCESS ROAD PLAN & PROFILE GS HYDROACCESS ROAD PLAN&PROFILE O6 HYDRO ACCESS ROAD PLAN & PROFILE C-7 HYDRO ACCESS ROAD PLAN & PROFILE GB HYDRO ACCESS ROAD DESIGN CROSS SECTIONS C-9 ROAD AND TRAIL STANDARD CULVERT DETAILS+ INT. AT AIRPORT ROAD C-10 HYDRO POWERHOUSE SITE GRADING PLAN AND EIEVATXNiS C-11 HYDRO ACCESS ROAD PLAN & PROFILE DETAILS ATTRE. Rl CROSSING C-12 HYDRO ACCESS ROAD PLAN & PATE DETAILS ATTRB. Ll CROSSING C-13 HYDRO ACCESS ROAD KNUTS(NI CREDCBRIDGE PLAN &PROFILE D-1 NTAIOE AND DIVERSION SITE- D3STNG CONDITIONS PLAN AND PROFILE 14 D-2 DIVERSION 9MRA OVERVIEW, SHEET IIIW AND PLAN AND PROFILE D3 CONCRETE INTAKE AND DIVERSION STKICR RE FOOLING PLAN D-A CONCRETE INTAKE AND DNESION STIMICRSE WALL PLAN D-S DIVERSION SRR GLARE ELEVATIONS D6 DPA3SKKJ SRIl)CTLRE ELEVATIONS D-7 INTAKE SIRUCNRE ELEVATIONS D-8 NTAKE SIRI)C IME EIEVATKDNS D-9 INTAKE STRUCTUE NORM-SOUIH MID -LINE CROSS SECTION D-10 DIVE SON STRUCNRE DETAILS 23 D-13 DIVERSION STRUCTURE FISH PASS PLAN, ELEVATION AND DETAILS D-16 DIVERSION STRUCTURE WESTWNLWALL DIKE PLAN AND PROFILE AND WEST SITE GRADING PLAN D-17 WE2SION STRUCTURE EASTV94 WALL DIKE PLAN AND RIOFRE "EAST SITE GRADING PLAN R-1 IMPOUNDMEJf / RESERVOIR ABOVE MS0ON STRl1CiURE 26 �PH-1 MWERHOU5E3REPIANANDMATIONS - T-1 TAILRAACE RAN ADD PROFILE - •PEDRo BAY � T•2 TAILRACRADULT SAV.IONAD EXCLUSION S1Rl1CRRiE DETAILS - 3 wLWCE 34 I 35 T-3 TAIRACEAIXATSAIMONID EXCLUSION STRUCTURE DETAILS a (W(ERIUAMNA) LfJOO 11 IY OO LN `V^ OO LIJ C�J�WI:I `V' IJ DOO W LOCATION MAP @9 22@9@O EXISTING FOOT TRAIL DRAWING NOTE S�- ACCESS ROADS / TRAITS 1. DRAWING COORDINATE SYSTEM IS ALASKA STATE PLANE ZONE S. NAD 83. U.S. — E3, SECTION 29 SURVEY FEET. VERTICAL DATUM IS NAVDSB. GEOID 99. — E}. SECTION 20 2. ENTIRE PROJECT IS LOCATED WITHIN SECTIONS 16, 20. 21, 28. 29. AND 33 OF — NW}, SECTION 21 TOWNSHIP 4 SOUTH, RANGE 28 WEST. SEWARD MERIDIAN, ENTIRELY WITHIN THE LAKE — SVJ. SECTION 16 AND PENINSULA BOROUGH. 3. THESE DRAWINGS AND ALL INFORMATION THEREON ARE INTENDED FOR PERMITTING, POWER IINF: — BIG HILL S/D PLANNING AND REFERENCE PURPOSES ONLY. ALL INFORMATION SHOULD BE (WITHIN OR PARALLEL TO INDEPENDENTLY VERRED BEFORE USE FOR ANY OTHER PURPOSE. EXISTING ROWS / EASEMENTS) 4. CONTOURS PROVIDED BY AEROMETRIC. INC. CONTOUR INTERVAL IS 5—FT AND 25—FT. — PLAT 92-10 TRACT 7 CONTOURS DERIVED FROM LIOAR SURVEY, AND FIELD CHECKED IN THE PROJECT VICINITY (WITHIN OR PARALLEL TO BY POLARCONSULT. VERTICAL DATUM IS ORTHOMETRIC ELEVATION, GEOID 99. SURVEY EXISTING ROW. / EASEMENTS) CONTROL FOR POLARCONSULT SURVEYS USED TO VERIFY THIRD PARTY INFORMATION 15 — E}. SECTION 29 SHOWN THIS SHEET. — SE}, SECTION 20 5. SOME PROPERTY AND COMMUNITY UNEWORK WAS SOURCED FROM COMMUNITY MAPS pOWERH0U5E PREPARED BY THE LAKE AND PENINSULA BOROUGH (LPB) IN COOPERATION WITH THE _ SE}ECTION 20 S ALASKA DEPARTMENT OF COMMERCE, COMMUNITY, AND ECONOMIC DEVELOPMENT (DCCED). , THESE SOURCE MAPS WERE PREPARED USING FUNDING FROM THE COASTAL IMPACT PENSTOCK ASSISTANCE FOR ACCELERATED INFRASTRUCTURE DEVELOPMENT (IAID). THE IAIO 15 _ SW}, SECTION 16 SUPPORTED 8Y GRANTS FROM THE DENALI COMMISSION, USDA RURAL DEVELOPMENT, _ NW}, SECTION 21 ALASKA DEPARTMENT OF TRANSPORTATION AND PUBLIC FACILITIES AND DCCED. THE LPB CONTRACTED WITH GLOBAL POSITIONING SERVICES INC. IN MAY OF Z003 TO PREPARE — E}, SECTION 20 THE SOURCE MAP. INTAKE & DIVERSION STRUCTURES: 6. LAND STATUS AND OWNERSHIP INFORMATION BASED UPON ELM SPATIAL DATA — SW}, SECTION 16 MANAGEMENT SYSTEM WEBSUE, STATE OF ALASKA RECORDERS' OFFICE WEBSITE, UPS / LAND STATUS SUMMARY• DCCED COMMUNITY MAPS, OR OTHER SOURCES. SECTIONS 16. 20 21 26 7. (NOT USED) PFDRO HAY CORPORATION (PBC) (SURFACE ESTATE) S. DCRA IS TRUSTEE FOR A FUTURE MUNICIPAL GOVERNMENT IN PEDRO BAY. INTERIM CONVEYANCE (IC) #359 (NON —SUBMERGED LANDS) IC #817 (SUBMERGED LANDS) BRISTOL RAY NATIVE CORPORATION (SUBSURFACE ESTATE) IC #359 (NON —SUBMERGED LANDS) IC #818 (SUBMERGED LANDS) LOT 1. SECTION 79 SURFACE PATENTED TO PEG #50-2005-145 SURVEY CONTROL AND LAND STATUS MAP SUB —SURFACE PATENTED TO BBNC #50-2005-146 SCALE: 1 INCH = 500 FEET -SUMMARY ONLY. SEE SOURCE DOCUMENTS FOR FULL LAND STATUS INFORMATION. 65% DESIGN PROGRESS PRINTS *** NOT FOR CONSTRUCTION *** (THIS SHEET IS SCALED FOR PLOTTING ON ANSI D (24%36") PAPER. NOT TO SCALE IF PLOTTED ON DIFFERENT SIZED PAPER.) DRAINAGE (TYP) PROPOSED URLTTY /—EXISTING FOOT TRAIL PROPOSED RIGHT—OF—WAY AND UTILITY EASEMENT -.p V.... ' EXISTING DIESEL POWER PLANT) J; LAa 4I Rills !I�:-a H^�5/ TIE INTO EXISTING ELECTRIC_ ° i o C 60' RIGHT-OF-WAY DOT&PF AIRPORT PROPERTY CORNER TRACT I, CORNER C7 N: 2,116,870.76' E: 1,617,981,25' Z: 56.D0' s/ \� ATV TRAIL —SECTION 29. LOT 1 44r,\/ (PEDRO BAY PAT 0 NT 502005(MARCH31, 2005)/ �� p\At gNH SOP" µ0 DOT&PF AIRPORT PROPERTY CORNER TRACT 1, CORNER C3 N: 2,118,542.96' E: 1.614.979.14' Z: 83.12' (PRIVATE)--_ ----_-- / o Soo Iwo • IINN =fW TEET Li \yO \ J \ I j w 0 a y GATE: 9/8/302a DE6IGNED: DRAWN: a CHECKED: SC4LE u xmED FILE: PetlropeG9RAn9 Sheet OF� — TES HYDRO ACCESS ROAD PLAN AND PROFILE SHEET INDEX 1. CON ° 500 100° 1. CONTOUR INTERVALS ARE 25 Fi. SCALE: 1 INCH = 500 FEET ROAD GEOMETRIC DESIGN CRRERIA: 1. GEOMETRIC DESIGN BASED ON: A. A POLICY ON GEOMETRIC DESIGN OF HIGHWAYS AND STREETS. AASHTO, 2001. B. AASHTO GUIDELINES FOR GEOMETRIC DESIGN OF VERY LOW -VOLUME LOCAL ROADS (ADT<400). 2001. 2. ROAD TYPES - FUNCTIONAL DESIGNATIONS A. HYDRO ACCESS ROAD, BOP (NEW AIRPORT ROAD) TO HYDRO POWEROUSE: PUBLIC ACCESS, MINOR ACCESS ROAD. TWO-LANE/TWO WAY TRAVEL, B. ALL OTHER ROADS THIS PROJECT: RESTRICTED ACCESS, RURAL RESOURCE RECOVERY ROAD, ONE-LANE/TWO- WAY TRAVEL. 3. DESIGN VEHICLE, ALL ROADS: A. GEOMETRIC DESIGN: WB-50 TRACTOR/TRAILER. B. STRUCTURAL DESIGN: U80. CIVIL NOTES AND) SPECIFICATIONS SCALE: NTS AWOMW TYPE A TYPE B DESIGN SPEED 15 MPH 15 MPH ROAD WIDTH LANES + SHOULDERS 18 FT 14 FT MINIMUM RADIUS 50 FT 50 FT SUPER. AT MINIMUM RADIUS 12% 12% MIN. RADIUS FOR NO SUPER. 80 FT 80 FT STOPPING SIGHT DISTANCE 65 FT 160 FT INSIDE RADIUS CLEAR ZONE 10.2 FT NOTE 1 CREST VERTICAL CURVE K VALUE 2 12 SAG VERTICAL CURVE K VALUE 10 27 UNCONTROLLED INTERSECT. SIGHT DIST. 60 FT 60 FT GRADE 18% 15% INTERSECTION CORNER RADII RADII RADII OFFSET TAPER 30' 200 FT 45' 175 FT 60' 150 FT 120 3 15:1 75' 65 3 15:1 90' 60 4 15:1 705E 55 4 15:1 120E 45 4 15:1 NOTES 1. $SO EXCEEDS MINIMUM DESIGN RADIUS. CLEAR ZONE WILL VARY WITH ROAD GEOMETRY. SEE CALLOUTS ON ROAD PLANS. 5 DATE: - _ ST20_2_ DESIGNED: _ _JUG DRAWN: _. _- _... JAG CHECKED: _. __. ._ SCALE: __. _ M NOTED FILE: _..Pedm0av9^.dxg Sheet oC-1 F1 SEC77OA( Z.' 0 cf) D AQGES"OAD < , Z400 ::7:� - 2cr- too 'i x 6+00 ----------- cn -7�00- ul .1 cn LLJ TYPE STA 1+00 I I CULVERT n 0 zz WA /+:�01 -TYPE-1 CULV�RT 1310 SEE 3/6--s� FOR INTERSECTION DIMENSIONS C/ z u STATION 0+00 0 z =m STXRT HYDRO ACCESS ROAD THIS PROJECT NEW AIRPORT ROAD) 0 0 ,p STA 1 00 TYP I CULVERT LL- 0 —1 m -V� DITCH LINE (TYP ) Ld < 0 < + 60' ROAD ROW 0 19+00 k 1a+00 Z3, STA 21+74 TYPE 1 CULV T IERi ACCESS ROAD PLAN -- STA. 0+00 TO 22+00 NOTES 1. OG CONTOUR INTERVALS ARE 5 Fr. AND 25 F. SCALE: 1 INCH = 80 FEET 2. PG CONTOUR INTERVALS ARE 2 F. AND 10 F. I INLET I MID I OUT. I INLET I MID IOUTLET INLET MID OUTLET INLET I MID OUTLET F LF -;1 92.61 FRGO 21 R F1 7 - 3 9 Q FG PRO - 56.41 1 W N l5l.-ARN701150.5 Nd OW 89. �R N_ 787 75. N 54.31 Z,4.3j Z,4.J tj t-i INVERT: 149.51 -11�9.0 INVERT: bb.UI C �T 7, a - 74.4 INVLKI 52.8 0 0 ww Li S,11.37 I LENA 40 1 3,1 5% 1 LEN,j 40 Ir 5.7%1 UEN:: J50 5:i ON I ULN:I 3U be > u +Ozz = 2 +I=,Z, ww MW w A M wo 0 "0 420 420 400 — PY S 17! 86 400 380 — wl Fl j - 14247 380 360 — A.D. -7.34 360 K 15.00 PVI ELEV= 93.60 340 340 320 — — AD. :: 9.35 NI ELEV - --I )0.60 — W �A = 41qg — 320 300 — K = ZOM ku- I UT— W1 EUEY = 62.36 � STA - 1+00 300 280 — 280.7 7' VC A.D. :t 7,19 280 260 — + ---T ;7 120.90 /C I— K - Vsnn 260 240 — �E —I 143.E 4' VC 240 220 — (ki iA . - I + 220 + id 200 — --ii- 4- 0,m 200 + 180 6i !2 G 150 160 60 SO 6i IJ 40 140 120 —=T 100 120 — Do BO 60 — CENTERLINE GG— r-CENTERLINE DO 60 c ENTERUNE—F-C— CENTERLIP E FG I- CULVERT 40 — CULVERT 40 o .m Iq I cqM n 22+00 20+00 18+00 16+00 14+00 12+00 10+00 8+00 6.00 4+00 2+00 0+00 . ACCESS �RFILE -- STA ROAD PROFILE 0+00 TO 22+00 0 0 ISO �SCALE 1 1INCH = �80FEET 1 1) to IN 0 z z D. 0 :1 (CATE DESIGNED' JOG LFWN IOG CHECKED SCALE: _.7 LE C-2 225 i ? , �� �� j` ✓ /i t, vl v1 Q a z CUT�FILL DAYLIGHT LINE (TY?) �,..� i i DITCH LINE (nP) voN NZv1 , mm j50 * 3:1 T 8+00 5+00 36+00 35+00 � 33+00 32+00 +30+00 i9+o0 za+o0 z]+o0 2s+o0 25+00 za+023+00 220o� �U W ¢ � �,O 39+00 _ V_ _ - —. -_�- V VI ZO O0 W L� m m z Q � Z � O Z m jl \ O o LL- WATERS OF THE U.S. \\ MIN\O AI W �— �(OHWM MEANDERS) v ���--"--- �`'> �S Q o �� �z ��ACCESS ROAD PLAN -- STA. 22+00 TO 44+00 NOTES OCONTOUR INTERVALS ARE 5 FT. AND 25 Ff. SCALE: 1 INCH = 80 FELT 2. FG CONTOUR INTERVALS ARE 2 FT. AND 10 FT. YM UU ww p O QEo w M U UU N xx VI na VI 6 J xx UIN O W W O J O W W �+,JJ M�� N?J axx `*1--w J Nxx F Q Q F Q Z F Q Q to U HIGH POINT ELEV = 203.33 N m m HIGH POINT STA = 39+70 440 PVI STA = 40+22 - PM STA - 3]+09 A _ -1 .05 49 440 420 K= 15.0 420 400 380 LOW POINT ELEV n 171.33 i 400 380 360 L IN A + 4 40.91 VU_ 360 34D - 32D r N n n` 340 K 30.-0 + m r m 320 300 3B7.96' `fC m 300 28D V V > V U V 250 260 260 m m 240 240 220 220 200 200 80 100 60 160 140 140 120 uo 100 oD 80 CENTERLINE OG 80 60 40 CENTERU7 E FG 60 40 ml N.n� V V mO ^m rr 'ON hb hN Ylh i(1� -r .-r Nm NN -r -W 44+00 42+00 40+00 38+00 36+00 34+00 32+00 30+00 28+OD 26+00 24+00 22+00 ACCESS ROAD PROFILE -- STA 22+00 TO 44+00 a 1w SCALE: 1 INCH = 80 FEET wCH . w iEET O W6. WS4EAAnm ::1 x i 0 P 8 SEE PH - SEE 1 /C-9. +40 CULVERT JJi ! L uv mac. / +,;`�rso SEE T S ETS ENDSTA 57+30 RIP RAP LE SI E-0 ROAD PRISM. x �S7ART EXCESS MAT 71- WASTE SITE TO LEFT It � it EXCESS' ATERIAL DISP AL SITE. ` AND_ POWERHOUSE STAG G AREA SEE �C-10 '•,\ 1 ti ` /y� , ��� 4' STA 50100 TO 57+,, V \ \` PLACE CLASS I'RIP RAP ON KL�E.F�T,-S,IDE OF ROAD PRISM. TOP EL 1 F001T' DECOIY'ROAD CL FG. � WATERS OF'THE U.S. `_ -' � SEE 3 C-8. II / (OHWM M ANDER) �� STA 46+15 STA 49+75 DOUB E TYPE 2 CULVERTS TYPE-1, <� �1� ACCESS ROAD PLAN -- STA. 44+00 TO 65+00 1N OG CONTOUR INTERVALS ARE 5 FT. AND 25 FT. SCALE: 1 INCH = 80 FEET 2. FG CONTOUR INTERVALS ARE 2 FT. AND 10 FF. 440 420 400 380 360 340 320 300 280 260 240 220 200 18G 160 140 120 0_ x J a c^ D O n W z w a Of C� cn o w O Z s n- O o U o �— a 0 r- Z� �o O O J a LL W < J o O N N Ln 21 1 44+0 LVE RT CULVEn 440 420 400 380 360 340 320 300 280 260 240 220 200 150 160 140 120 Sheet D-4 C 66+00 64+00 62+00 50+00 58+00 56+00 54+00 52400 50+00 48+00 46+00 44+00 ACCESS ROAD PROFILE -- STA 44+00 TO 65+00 , 0 0 14g ')SCALE: 1 INCH = 80 FEET _ Lr-ly WETLAND MEAd,OWP) O S MA fR DI$P 'SITE e�"�- 1 �y( DITCH tlNETYPY 1,;"\fRIB � FORESTED WETi1D MQSAIC�(T($J, CROSSING`^ S C-11 ` z rI SEE EET C,=13 �� 4��� I SG CUTHILL OA7GGHT LINE V�� d ^ .} KNUTSON .CREEf{.OROSSI SEES n \..._i ✓' '` <s+ � _ __ \ � &�_..p.---\--�__ i 1 2_-__... �,ri--�e+'Do'-�""_s+a i;+DD"L^ 4 x r �v� Q' D' '_\,-\_.. n .� •. \Y 11.,E .�, /- cn p0 W D Z I- � `-'-+00 `VA STA+50 71'P 1�tVER,)• - Y G 7E\ �'fCH LINE (TYP) cn 47 ` J \ Z O O � �, U.S.D- 'r(6HWM MEANDER) Z 0 p i�.� CH LINE (T(P) V= w /� �\v,/' PC' O 0- LL- 108440- TO $8+00 19 NOTCH�ED\�- �\, C W Q w ROCK I LIKELY THIS AREA, SEE 2�G 6.� /�" "� 00 p9-CJ I � !n N p 1:6 r. �A �� �� `. - w„ "...� �-..� �-- �� Lo iF c F V AV i CD z x ROAD PLAN -- STA. 65+00 TO 88+00 NOTE1G CONTOUR INTERVALS ARE 5 FT. AND 25 FT. /ACCESS SCALE: 1 INCH = 80 FEED 2. FG CONTOUR INTERVALS ARE 2 FT. AND 10 FT. m NI U m m m �h �I QI NI U QI m I I U V INLET MID OU- r" t' INIEi MID OUTLET �1< G FG: - 76.8 - �o ROWN: 273.5 271.5 268.5 G FG: - 65.0 - PROWN,l 263.51263.01 262.5 U i U MIA ow Y&lINVERT, 1 272.0 -1 267.0 INVERT: 262.0 -1 261.0 ri ri 5:1 12.5%1 LEN71 40 w S: 3.3% I LENA 30 w N N J z LOW POINT ELEV - 269.86 LOW POINT ELEV = 269.88 HIGH POINT ELEV - 287.37 U U RICH POINT STA = 78+]2 iO o O U o w z w z 1Q Q Q LOW POINT STA - 83+53 LOW POINT STA = 82+07 + U + U PN STA = 81+07 PVI STA - 78+94 m \ W f f PM STA s 83+93 n PVI STA = 76+25 h +M D PVI ELEV . 269.88 PVI ELEV = 269.88 PVI ELEV - 291.08 w' PM ELEV = 274.Q PVI STA = 73+30 A.D. 14.99 A.D. - -16.18 <a w PVI ELEV = 267.05 d R w PN STA = ]0+5] PVI STA 69+46 A.O. = 9.98 I- w 0.D. 371 m w «! o K a 5.34 K = 20.00 K m 12.00 N m K a 27 00 A.O. _ In m PVI PVI m VI E m 2.00 A.D.= .00 A.D.a 6.00 I� 194.12' VC i K = 12.00 .D. = .00 .D. _ -000 _ 80.00' VC � 199.53' VC -� 100' VC I I K = 27.00 K � 12.00 30.12' VC 440 420 " 96' VC 440 } nADD m m h O v. + n N m 420 380 m n n + +m o ^m y + n m a no as 00 380 360 340 ut `A g' m m vi w T'I 'm w m V n r w O y +N m W 360 340 N 320 300 m 320 300 280 _9' 6.20R 250 260 5.01 1 n 260 CENTERLINE G 240 240 IN F220 KNUTSON CREEK CR0 SING 200 180 TRI UTARY 'R 1' RD 200 160 60 160 ni nl nl �N �N m�l �� cN ��A �4 N�� ni N�I N�1 N�i wN aN NN wN aN wN N2 88+00 86+00 84+00 82+00 80+00 78+00 76+00 74+00 72+00 70+00 69T60 69,4to 9 ACCESS ROAD PROFILE -- STA 65+00 TO 88+00 SCALE: 1 INCH = 80 FEET I INCH =_ r¢T (x®�1 J :1 --� tot+O-q�� o6++; GD aSis>nFORD, +00 CROSSING HEET C 10. � it ,�✓/, V -z �p � n a r-- 1 LL O /%-� + ice✓ � � }' �`�... PNNE 'i'� \\\ `�. �^x � 32 �f ♦ \ S _-- � �/�- \ � O w N IpE C n __ .� \ / t u n '\. Q 1 ' W 4 F.``.@ STA 9to _ stl0- i !-✓ '==--__�--i-f-.� �� :_�• �/'-\ t /..�- i .� 0 �t�y.: ..`�-- _�,/ TYPE 1 GUCV�RT / en vv ;; W Z I- W STA 105+16 .. •�.-`' %-: /--_\=-`-- moo..,-_ � �*.. o' �J } \� ,`f�% ✓�. O u z CD O TYPE CuLV �rL �l-�\\ �" SPA /'.�`_'� STA9B '"� A. '� \ 9 a$ %P O Z Z O -WATERS F THE U.S (OHWM MEANDERS}'- xY ��✓/ O \'� J .�-.,"'-� �-� / TYPE-Z GU .95 GE}R -/ �-vs/ r- /--` � lD ��. a� 159 � < ��... � ercr` 9-` P F 0 O 0 O I, ''�.-------'�• 6 �-v -_�1 -,. ,` -: �-' ,/ �)) ;�1 � ._-/�!,--� � v,� MINOR �pRAiNAGE--"-'. � �. `, moo' G�$ 88+44 DITCH LINE (TYP) TYPE �1 CULVERT �' p�� 0-9 LLB LL_I o U � NOTES i , '. 1. 84#00 TO +QO f5-NO�TCH CUL, BEE _, ROCK IS KELY IN `T815 AREA, SEE 2/C 8.^ TQ `@EDRQCBED'QK CUS/FltL9AYGGH,LINE (TYP) ' 1D8'. yti�F� � O N U r% yy //� ` ,..�� �%J --�8+50 94+b0 IS�SIOEI�fLL BENCH. Ll�kk YIN THIS�AREA, SEE`2/ -B Y N THIS AREA. SE-g/C 8.,, IPLA , �'.. Cam\o' 4. 103+37 TO 107.1.63: PLACE CILA�SSEh �IP..t(\AP 0�'J'. RIT FLL SLOPE PER '-TOP \\ \ � ,\ i , �- �. n RIP RAP AT FT BE -OW ROAD CL`EG. � cbNTOUR I�DTES: r� ACCESS ROAD PLAN -- STA. 88+00 TO 110+00 1. OG CONTOUR INTERVALS ARE 5 FT. MID 25 FT. _ SCALE: 1 INCH = 80 FEET 2. FG CONTOUR INTERVALS ARE 2 FT. AND 10 FT. .~.J NI mj U u mh INLET MID IOUTLET INLET MIO OUTLET m INLET MID UTLET INLET MID OUTLET m ti ti ti u G FG: - 68.0 - G FG: - 44.5 - G FG: - 41.2 - G FG: - 32.5 - u w w ROWN: 362.5 36b.2 357.5 ROWN: 341.5 334.9 330.5 ROWN: 338.5 38.5 338.5 ROWN: 331.2 30.5 329.7 x v' x m INVERT: 360.0 - 355.0 PVI STA = 101+09 NVERT: 339.0 - 328.0 i i S: 8.37, LEN: 60 ¢ S: 11 : LEN: 100 k INVERT: 337.0 - 337.0 NVERT: 329.7 - 328.2 S: 07 LEN: 40 ¢ 4D ¢ o i i PVI oNV' q1J ELEV 359.67 AD.=-7.98 w W +JJ o+ i i + O x K= 12.00 HIGH POINT ELEV - 349.92 m j x � j x a j x m x UU x o�� InUU ten\ - HIGH POINT STA-96+31 +UU 95.71' VC - + PVI STA 96+]9 +UU +UU o m m U U W ¢QQ ¢aw 103+37 TO 107+63 y m< PVI ELEV = 351.12 w da.w A.D. _ -12.00 N N w w ¢aw ¢aw N N RIP RAP ON RT FILL. a- o m K = 12.00 SEE PLAN NOTES. 144.00' VC -- PVI STA = 58+21 r e PVI ELW = 333.95 440 420 - OG r '' 'D A.O. _ -12.99 440 - 420 C NTERLINE FG n + a 400 400 380 380 n w 360 -1 155 360 34000' 320 340 320 CE TERUNE OG 300 CULVERT V CULVER 11 VFPT 300 280 SEE SHEET C-10 280 260 260 m� "fib r� mN bN EiN NN NN Om N9 lVm �O Om Ypl `�� aYl N mh rN rm mid nM it Ylh u1y m I'1 ♦s np •e< gr �� NM rm}M amjh j7 'jh nM nYm�I ns 110+00 108+00 106+00 104+00 102+00 100+00 98+00 95+00 94+00 92+00 90+00 88+00 ACCESS ROAD PROFILE -- STA 88+00 TO 110+00 4 m Im SCALE: 1 INCH = 80 FEET ___.._... 1 WCH . m rth1 Ma Wxr. 1xrc�l 70 ::1 OATS 9/B/2020 DESIGNED: JOG DRAWN: OG CHECKED: - SCALE: AS NO1EO FILE: PedmOesfgn.dxg Sheet oC-6 IF ( k I 1. 107+50 TO 117+50 IS SIQEH\LI BENCH. BEDROCK LIKELY IN THIS�'AREA SEE� j ,2. 114}75 TO 1}75'+75iPLACEI CLA5 111 RIP RAP,ON '..RT FILL SLOPE PER,.C=B. RIP .,RAP TOP AT 2 FT 'BELOW ROAR CC FG. '-_ 1 _� I 1 I 1 �____ --��`�'N7+� O/TO ?Ai 26: PLACE CLASS III 1kP ;RAP ONE "Rl`L 1PF -TOP �� SLOPE 3C B. RIP RAP AT ji FT BELOW ROAD/Cl FG. % e �C1 DIVERSION SITE I ': SSE-0 SHEETS 1 �_' � •-�,. �. �_-, i : _ `. A ._ v :, �— ivy., �----� _ 1 ACCESS ROAD PLAN -- STA. 110+00 TO 122+51 (DIVERSION SITE) SCALE: 1 INCH = 80 FEET 2 )ACCESS ROAD PROFILE -- STA 110+00 TO 122+51 (DIVERSION SITE) SCALE: 1 INCH = 80 FEET !%O / A 1 e 9+�0 I 1 �- 120+00 �. ..-- I oo � r� >1j+1� _\ STA 12".+26 NOTES: 1. OG CONTOUR INTERVALS ARE 5 F. AND 26 FF. 2. FG CONTOUR INTERVALS ARE 2 Fr. AND 10 F(. STA"7T2'+13 TYPE 2 CULVERT m 1 K715 TO 115+78. 3A PER NOTE 2 r 117+00 SO'1T8+50 " H CUT _ x a. U U v N (/) (%) D a n Lv a� z w �-'•.• CD (Q Z O w ILLi OZ s zZ 0 0 ' a 0 WR -- z ~ O O o d V1 O 0LLJ li \~ W � O 0 < N N 1 123+00 122+00 120+00 118+00 116+00 114+00 112+00 110+00 0 w 160 1 mcm = m F£E1 MO w . 6r.WOewEM 440 420 400 380 3 34060 pA1E' 9/0/2020 320 DESIGNED: a.. 300 LF d0c 280 AS NOTED edmomtgn.drg Sheet 0F� —� NOTES: 1. REVEGETATION. A. STOCKPILE ORGANICS FROM FOOTPRINT GRUBBING AND CLEARING OPERTATIONS FOR REUSE ON SITE REVEGETATION / STABILIZATION. B. PLACE MIN. 12" COURSE OF STOCKPILED ORGANICS ON ROAD PRISM SIDE SLOPES AND TERRAIN SOIL CUT SLOPES FOR REVEGETATION. NO REVEGETATION REQUIRED ON TERRAIN ROCK CUTS. C. EXCESS ORGANICS CAN BE SIDECAST TO UPLAND AREAS WITHIN ROAD PROPERTY CORRIDOR. SHAPE SIDECAST MATERIAL TO MATCH EXISTING CONTOURS AND MAINTAIN POSITIVE DRAINAGE AWAY FROM ROAD. STABILIZE SUCH FILLS PER SWPPP BMPS. 2. FILL SLOPE ARMOR. A. PLACE ARMOR ON FILL SLOPES WHERE INDICATED ON PLANS. B. SEE DETAIL 3/13-8 FOR ARMOR PLACEMENT REQUIREMENTS. 3. UNSUITABLE SOILS IN ROAD FOOTPRINT. IF MORE THAN 3-FOOT DEPTH OF UNSUITABLE MATERIALS (ORGANICS AND/OR UNSUITABLE NATIVE MINERAL SOIL) IS ENCOUNTERED IN THE COURSE OF CLEARING AND GRUBBING ACTIVITIES: A. CONSIDER ROAD REALIGNMENT CONSISTENT WITH ROAD ALIGNMENT AND PROFILE TOLERANCES IN CIVIL SPECIFICATIONS. SUBMIT PROPOSED REALIGNMENTS TO ENGINEER FOR APPROVAL PRIOR TO DISTURBING AFFECTED AREAS. B. SUBGRADE REINFORCEMENT WITH GEOTEXPLES OR OTHER ALTERNATE MEASURES MAY BE WARRANTED. CONTACT ENGINEER FOR GUIDANCE. 4. SOIL CUT SLOPES. CONTRACTOR SHALL ADAPT SOIL CUT SLOPES TO NATIVE MATERIAL ENCOUNTERED IN ORDER TO ACHIEVE A STABLE CUT SLOPE. IF NATIVE MATERIAL WARRANTS SLOPES FLATTER THAN 3:1 SEE NOTES 3A AND 38, 6" SURFACE 24" BASE SUBGRADE REVEGETATION SEE NOTE 1. ARMOR SEE NOTE 2.� FILL DAYLIGHT LINE GRUBBING LIMITS FG AS REQUIRED FILL SLOPES IACCEl. ROAD DESIGN CROSS SECTION J SCALE: NTS - TRAVELAED WAY (DIM A) - LANE AND ~- SHOULDER 2% 2% -T AND GRUB ROAD FOOTPRINT DOWN TO SUITABLE NATNEJ MINERAL SOIL (SEE NOTE 3). ORIGINAL CUT SLOPE IN UNCONSOLIDATED MATERIALS ROAD/TRAIL DESIGN SECTION TABLE ROAD TYPE DIM A ROAD WIDTH DIM 8 FILL SLOPE DIM C (NOTE 4) SOIL CUT SLOPE DIM D. DITCH OFFSET DIM E" DITCH WIDTH TYPE A 18 FT 1.5HAV 3H:1V 6 FT 0 FT TYPE B 18 FT 1.5HAV 2H:1V 6 FT 0 FT TYPE C 18 FT 1.5H:7V 3H:1V 6 FT 6 FT TYPE D 18 Fi 1.5H:1V 1.5H:7V 6 FT 0 FT TYPE E 14 FT 1.5H:7V 1.5HaV 4 FT O FT GALLUVIS UN PLAN/t'KUHLt IAKt YREUEUENUE UVER VALUES IN IHIS IABLE. • WHERE DITCHES ARE INDICATED ON PLANS. RIP -RAP SPECIFICATION 1. RIP -RAP PARTICLE DIMENSIONS ARE DEFINED AS: 'A' AXIS: LONGEST DIMENSION OF PARTICLE. 'B' AXIS: IMTERMEDIATE DIMENSION OF PARTICLE. 'C' AXIS: SHORTEST DIMENSION OF PARTICLE. WHERE 'A'. V. AND 'C' AXES ARE AT RIGHT ANGLES TO EACH OTHER. 2. RIP -RAP PARTICLES SHALL BE SUBANGULAR TO ANGULAR, WITH A MAXIMUM ALLOWABLE RATIO OF 'A' TO 'C' DIMENSIONS OF A/C < 3.0. 3. RIP -RAP PARTICLE SPECIFIC GRAVITY SHALL BE 2.5 OR GREATER, 4. THE RATIO OF De5/DI5 PARTICLES SHALL BE 1.5 < De5/D15 < 2.5, WHERE D IS THE 'B' AXIS DIMENSION AND On AND D15 ARE AS GIVEN IN TABLE 1. 5. RIP -RAP PARTICLES SHALL BE OF SOUND, DURABLE, COMPETENT ROCK THAT IS FREE OF DISCONTINUITIES (VOIDS, FRACTURES, JOINTS, BEDDING PLANES) AND THAT WILL NOT DEGRADE SIGNIFICANTLY OVER TIME. ROCK THAT EASILY ABSORBS WATER OR IS COMPOSED OF POORLY METAMORPHOSED MATERIAL, SHALE, MUDSTONE, OR CLAYSTONE IS NOT ACCEPTABLE. CUT DAYLIGHT LINE S. RIP -RAP SHALL BE INSTALLED TO A MINIMUM DEPTH OF 1.5 TIMES THE SPECIFIED D5D ORIGINAL GRADE :UT HINGE PT CUT HINGE PT 1 PARTICLE SIZE. 7. CAREFULLY PLACE RIP -RAP SO INDIVIDUAL PARTICLES ARE TIGHTLY PACKED AND KEYED N1C5 _ NO DITCH) (W/ DITCH) OR�YER� TOGETHER TO THE MAXIMUM EXTENT PRACTICAL. - �' REVEGETATION r SEE NOTE 1. �' 8. RIP RAP TOE. A. WHERE TOE OF RIP RAP SLOPE IS ON BEDROCK, PROVIDE NOTCH IN BEDROCK AS INDICATED ON DRAWINGS. DIM C SLOPE S ON A WHERE TOE OF RILAYER P or `-NATIVE MINERAL SOIL DOWN TO L SOIL INAIPRAPTED I. REMOVE ORGANIC MINERAFOOTPRINT. it. PLACE MOUNDED TOE. RIP RAP THICKNESS IN MOUNDED TOE IS 2x SPECIFIED 1.p THICKNESS. in. HEIGHT OF MOUNDED TOE IS AS INDICATED ON DRAWINGS. N. BACKFILL TO MATCH ADJACENT OG WITH MINERAL FILL. DITCH OFFSET (DIM D) / INCOMPETENT BEDROCKS - - � 1 1.5 _ � � \ 1.Or - _ `BEDROCK _DITCH LINE(S) PER PLANS (SLOPE TOE(S)) DITCH WIDTH (DIM E) DITCHES ANO SOIL CUT SLOPES RIP RAP SPECIFICATION Y SCALE: NTS TARI F 1- RIPRAP PPAnATP1N IPGRTICI F COF IN INCHFCI Amn [I (1PF OIAAFNCPINC ITEM 9-INCH 12-INCH 18-INCH NCHRP CLASS II III V VII D15 5.5-7.8" 7.3-10.5" 11.0-15.5" 14.0-21.0" DsD 8.5-10.5" 11.5-14.0 17.0-20.5 23.0-27.5" Des 11.5-14.0" 15.5-18.5" 23.5-27.5" 31.0-37.0" Dice is 24" 36" 48" DIM A THICKNESS 18" 24" 36" 48" DIM 8 SLOPE 1.5H:1V 1.5H:1V 1.5H:1V 1.5H:1V DIM C TOE MOUND HEIGHT MIN. 36" MIN. 46" MIN. 72" MIN 96" DIM D TOE MOUND THICKNESS 36" 48 72" 96" 1. PARTICLE SIZE 0' REFERS TO THE INTERMEDIATE 'B' AXIS OF THE PARTICLE. IN INCHES. SEE NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM (NCHRP) REPORT #568, APPENDIX C. 2. RIP -RAP CALLOUTS ON PLAN/PROFILE TAKE PRECEDENCE OVER VALUES IN THIS TABLE. TOE KEY NOTES: 1. TOE KEY DEPTH SHALL BE 677 OF D100 DIMENSION FOR RIP RAP CLASS. 2. TOE KEY WIDTH SHALL BE 1007. OF D100 DIM. FOR RIP RAP CLASS. 3. TOE KEY SIOE SLOPES 1/4H:1V OR STEEPER. SHAPE BY CHIPPING OR LINE DRILL AND BLAST. CONTROL BLAST TO PREVENT OVERFRACTURE BEYOND INDICATED DIMENSIONS. / , RIP RAP PER KEY DEPTH KEY WIDTH DETAILS, RIP RAP TOE KEY IN BEDROCK B 1. ADAPT CUT SLOPES AS REQUIRED TO ACHIEVE STABLE CUTS. OTHER ELEMENTS OF ROAD PRISM PER 1/C-85 DRO K CUT NOTES TOP ELEVATION OF RIP -RAP ARMOR AS INDICATED ON PLANS CUT SLOPE IN 1/4 2. ADAPT CUT SLOPES TO AVOID SLAVER CUTS. RIP -RAP CLASS PER PLANS. SEE TABLE 1 AT 3/C-8 AND SPECS AT 4/C-8. COMPETENT ROCK 3. MAXIMUM ALLOWED ROCK CUT FACE HEIGHT IS 20 FEET, CONTACT ENGINEER IF TALLER CUTS ARE INDICATED. RIP RAP THICKNESS (DIM A) i ROCK CUT LINE IS 12" BELOW ROAD FG. 1 4. APPLY SLOPE STABILIZATION SWPPP BMPS TO NON -BEDROCK / DAYLIGHT ROCK CUT TO OG EXCEPT WHERE CUT SURFACES ONCE FG IS SHAPED. NO SLOPE STABILIZATION DIM B / NOTCH CUTS ARE INDICATED ON PLANS. BMPS REQUIRED FOR BEDROCK FG SURFACES. PLACE 6" BASE COURSE IN BEDROCK AREAS. TOE MOUND 1.0 r / PLACE 8 OZ NEEDLEPUNCH GEOTEXTILE EXCAVATION LIMITS THICKNESS / FILTER UNDER RIP RAP. INSTALL PER OTHER ELEMENTS OF ROAD CUT HINGE PT AS REQUIRED (DIM D) / ` MANUFACTURER'S RECOMMENDATIONS. PRISM PER 1/C-8� �(NO DITCH) FG MIRAFI 180N OR EQUAL OMIT VEGETATION IN ROCK CUT DITCHES. 00 y / / TOE MOUND HEIGHT /-OTHER CONSTRUCTION DETAILS PER 1/C-8. - - - ORGANICS LAYER - - / (DIM C) (IF PRESENT)_ _ROCK CUT FG. (SEE DETAIL ' i FOR OTHER HINGE PT.) BUILD TOE MOUND ON MINERAL SOIL, CUT HINGE PT ROAD DESIGN SECTION (W/ DITCH) IN ROCK CU`NATVE MINERAL SOIL TS DETAIL B ARMORED FILL SLOPES ROAD PRISM DESIGN SECTION DETAIL - ROCK CUTS ROAD PRISM DESIGN SECTION DETAIL - RIP -RAP ARMOR ON FILL SLOPES tSCALE: NTS SCALE: NTS FILL PER ROAD PRISM DESIGN, OG 5 S 0 oZ OO 1- w U N m LAW LA w o UN ¢ V 00 mz 00 } N mw FATE: 9/9/zozD pESIGNED: JDG LnLE edmpmigadxy Sheet 0�-8 NOTES: 1. SEE GENERAL CIVIL NOTES FOR BEDDING AND PADDING MATERIAL SPECIFICATION. 2. BEDDING AND PADDING MATERIAL SHALL BE MECHANICALLY COMPACTED TO 95% OF MAXIMUM DENSITY OR THE SATISFACTION OF THE ENGINEER. 3. INSTALL CULVERT AT UNIFORM SLOPE FOR FULL LENGTH. MATCH EXISTING GRADE AT INLET AND OUTLET. 4. ADAPT CULVERT LOCATION, SKEW ANGLE. LENGTH, SLOPE, INVERTS TO MATCH THALWEG OF NATURAL WATER COURSES OR OTHER FIELD CONDITIONS. RED -LINE ALL CHANGES. 5. INSTALL CULVERT BEGINNING AT DOWNSTREAM ENO. LOWER 1/3RD OF PIPE BARREL SHALL BE IN CONTACT WITH THE SHAPED BEDDING THROUGHOUT ITS FULL LENGTH PRIOR TO BACKFILLING HAUNCHES. 5. PLACE BACKFILL IN 6" LIFTS AND MECHANICALLY COMPACT EACH LIFT. MANUALLY WORK BACKFILL UNDER PIPE HAUNCHES TO PREVENT VOIDS. 7. CULVERT JOINTS SHALL BE MADE WITH SEMI -CORRUGATED OR FLAT TYPE OUTSIDE BANDS WITH 0-RING OR SLEEVE GASKET SEALS, OR COUPLINGS AS RECOMMEND BY BARREL MANUFACTURER. B. ARMOR FINISH GRADE DOWNSTREAM OF OUTLET TO PREVENT EROSION PER MINIMUM 18" FILL CULVERT TABLE. SEE SWPPP AND STORMWATER TREATMENT PLAN. VER CULVERT CRC LEVEL AND PREPARE 12" COURSE OF COMPACTED BASE WITH BEDDING AND PADDING MATERIAL. �1_� STANDARD CULVERT DETAIL (TYPE 1 / TYPE 2 CULVERTS) T SCALE: NTS TABLE OF WATER CROSSINGS 30" (ONE OIA) MIN. 30"0 CULVERT (TYP OF 2) CLEARNANCE BETWEEPIPES DOUBLE RARREL INSTALLATION NOTES' i. SET BOTH CULVERTS TO SAME INVERT ELEVATIONS AND SLOPE. 2. I BETWEEN CULVERTS SHALL BE BEDDING AND PADDINGDING MATERIAL. 3. OTHER INSTALLATION DETAILS PER SINGLE CULVERT DETAILS. mn DOUBLE BARREL SECTION DETAIL MIN, CULVERT LENGTH PER PLANS ALnNMFNT STATION EBUCTURE TYP WATER B00Y BASIN AREA DESIGN R. OOD CAPACITY _2 TF$ NEW AIRPORT ROAD N/A EXISTING CULVERTS MINOR DRAINAGES N/A N/A N/A SEE NOTE 1. HYDRO ACCESS ROAD 1+00 TYPE 1 CULVERT DITCH RELIEF 0.02 4 11 SEE NOTE 2. HYDRO ACCESS ROAD 7+00 TYPE 1 CULVERT DITCH RELIEF 0.08 15 11 SEE NOTES 2, 4. HYDRO ACCESS ROAD 12+00 TYPE 2 CULVERT MINOR DRAINAGE 0.12 22 30 SEE NOTE 3. HYDRO ACCESS ROAD 21+74 TYPE 1 CULVERT DITCH RELIEF 0.08 15 11 SEE NOTES 2. 4. HYDRO ACCESS ROAD 44+03 TYPE 1 CULVERT MINOR DRAINAGE 0.03 5 11 HYDRO ACCESS ROAD 46+15 TWO TYPE 2 CULVS MINOR DRAINAGE 0.14 27 60 HYDRO ACCESS ROAD 49+75 TYPE i CULVERT DITCH RELIEF 0.00 0 11 SEE -NOTE 2. HYDRO ACCESS ROAD 51+40 TYPE 2 CULVERT MINOR DRAINAGE 0.08 1 15 30 HYDRO ACCESS ROAD 65: ROAD SWALE KNUTSON TRIB 'R1' 1.67 319 HYDRO ACCESS ROAD 73+00 TYPE 1 CULVERT DITCH RELIEF 0.00 0 11 2. HYDRO ACCESS ROAD 76+50 TYPE 1 CULVERT DITCH RELIEF 0.00 0 11 2. HYDRO ACCESS ROAD 83+80 ROAD BRIDGE KNUTSON CREEK 33.17 6,319 >10000 HYDRO ACCESS ROAD 88+44 TYPE 1 CULVERT MINOR DRAINAGE 0.00 1 11 2. MNOTES HYDRO ACCESS ROAD 91+89 TYPE 1 CULVERT MINOR DRAINAGE 0.01 3 11 T. HYDRO ACCESS ROAD 95+98 TYPE 2 CULVERT MINOR DRAINAGE 0.00 0 30 2. 3. HYDRO ACCESS ROAD 98+50 ROAD SWALE KNUTSON TRIB 'Li' 3.16 603 HYDRO ACCESS ROAD 105+18 TYPE 2 CULVERT MINOR DRAINAGE 0,00 0 30 2. 3. HYDRO ACCESS ROAD 112+73 TYPE 2 CULVERT MINOR DRAINAGE 0.21 41 30 SEE NOTE 4. HYDRO ACCESS ROAD 117+65 TYPE 2 CULVERT MINOR DRAINAGE 0.02 4 30 SEE NOTE 2. n�3: BASIN AREAS ARE IN SQUARE MILES. DESIGN FLOW AND CAPACITY ARE IN CUBIC FEET PER SECOND. 1. PROJECT INFRASTRUCTURE AT THIS LOCATION 15 LIMITED TO NEW UG POWER AND COMMUNICATIONS PLACED ON UPSTREAM SIDE OF ROAD. CABLES AT WATER CROSSINGS ARE BELOW CULVERT INLET INVERT ELEVATION AND FG SURFACE ARMORED WITH 6" COBBLE TO DETER EROSION. 2. MINOR DRAINAGE IS FOR DITCH/TERRAIN RELIEF, NO EXISTING ESTABLISHED SURFACE FLOW. 3. MINOR DRAINAGE 15 A NATURAL TERRAIN DRAINAGE PATHWAY BUT LACKS AN ESTABLISHED SURFACE FLOW CHANNEL. 4. WATER CROSSING CAPACITY IS LESS THAN DESIGN FLOOD BASED ON FIELD REVIEW OF DRAINAGE FLOW CHARACTERISTICS. WATER CROSSING DESIGN TABLE 2 SCALE: NTS r BACKna WIMIN 1Y DP GIRI£Pf FINISH GN I M BEDDING W PADDING NAMAL PRISM DETAILS CULVERT BARREL .I TO FULLY PROJECT FROM FILL PRISM. NO ' /-END TRANSITIONS cc REQUIRED (TYP. FOR INLET AND OUTLET). CORRUGATED POLYETHYLENE PIPE (CPEP) BARREL TYPE 1 WATER CROSSING: 18" NOMINAL DIAMETER. TYPE 2 WATER CROSSING: 30" NOMINAL DIAMETER. COUPLING IF REQUIRED. USE COUPLING RECOMMENDED MANUFACTURER OF PIPE BARREL MATERIAL. HYDRO ROAD STA 1+50 (NORTHBOUND) SPEED LIMIT SIGN (SEE 2/C-17) I FILL OAYUGHT LINE (TYP)-� i CULVERT (SEE ROAD I HYDRO ROAD STA 0+87 7 I END RIGHT RADIUS I START STANDARD ROAD SECTION I I HYDRO ROAD STA 0+5�66 END LEFT RADIUS / I START STANDARD ROAD SECTIONS� I HYDRO ROAD STA. 0+50 (SOUTHBOUND) - I STOP SIGN (SEE i/C-1ZY / R60' � / 4. 15:1 TAPER-1 _"Go %t" lEV➢. MD PRNTAW 12' OF COMPACTED/SUPED WE WITH PIIIfIINf. 1.O PNnm.. .. DETAIL A -A NOTES: 1. AIRPORT ROAD LOCATION AND DIMENSIONS ARE APPROXIMATE. - ADJUST INTERSECTION IN FIELD TO MATCH EXISTING ROAD CONDITIONS. 2. AIRPORT ROAD STATIONING IS ARBITRARY AND SUITABLE FOR THIS DETAIL ONLY. 3. CLEARING LIMITS EXTEND FROM EDGE OF HYDRO ROAD TRAVELLED WAY STA 0+70 TO EDGE OF AIRPORT ROAD 200 FEET BOTH SIDES OF HYDRO ROAD CENTERLINE. CLEAR ALL I TREES AND VEGETATION WITHIN CLEARING LIMITS TO PROVIDE I CLEAR SIGHT LINES FOR TRAFFIC AT INTERSECTION. AIRPORT ( z \ INTERSECTION DETAIL - HYDRO ROAD AND AIRPORT ROAD �SCALE: 1 INCH = 20 FEET LIMITS (NOTE 3) 4' 1+00 5:1 TAPER H n 0 s a o' 0 v` 6 pATE: O/B/2020 DESIGNED: JOG DRAWN: JOG CHECKED: NDD SCALE: AS NOTED FILE: PeLmDemfgn.Lng Sheet D�-g TAILRACE SEE SHEET T-1 i PH-18, PAD EDGE FG EL. 193.i 1.5:1 FILL SLOPE (TYP)—,, EXCESS -EXCAVATION DISPOSAL SITE AND POWERHOUSE STAGING AREA, SEE NOTE 1. I ! ! PH-19, PAD EDGE \w FG EL: 189.0�L ACCESS ROAD PLAN -- STA. SCALE: 1 INCH = 20 FEET LIMITS CLASS i RIPRAP ON 1.5:1 SU (HATCHED AF 9o, PH-17, PAD FG EL: PH-20, PAD EDGE FG EL: 191.0 TO 65+00 NOTES' 1. OG CONTOUR INTERVALS ARE 5 FT. AND 25 FT. 2. FG CONTOUR INTERVALS ARE 2 FT. AND 10 FT. t+so 1+00 0+50 0+00 POWERHOUSE SITE SECTION ALONG TAILRACE (WEST BUILDING WALL) �, SCALE: (INCH = 20 FEET 220 210 200 190 150 DATUM ELEV 175.00 -0+5 -1+00 0 20 0 1 INCH - 20 TEST (No M. EQZQWnON) � 11.,PAD EDGEv V PH 16, DITCH EL: 201.3v. �PH G EL 204 5 \FG v. \\ 1` \ i 1 51 DITCHSLOPES (TYg) I PH y0, li{/ AD EDGE I _,--FG EL : j2035 , ACCESS ROAD EET C-4 f 2, NOTES 1. EXCESS MATERIAL DISPOSAL SITE: AVAILABLE NEAT VOLUME AS SHOWN IS -1,300 CYDS. SITE FG CAN BE RAISED TO INCREASE AVAILABLE VOLUME WITH ENGINEER'S PRIOR APPROVAL, WITH FOLLOWING GENERAL CONSTRAINTS: A. DO NOT INCREASE SITE FOOTPRINT BEYOND THAT SHOWN( B. MAINTAIN SITE SIDE SLOPES AS SHOWN. C. PROVIDE FOR POSITIVVDRAINAGE AWAY FROM ACCESS ROAD AND TAILRACE. D. MAINTAIN COMPLIANCE WITH SWPPP REQUIREMENTSWHILE SITE IS ACTIVE. E. SITE FINISH GRADE CONTOURS AND CAP COURSE SHALL BE CONSISTENT WITH THAT SHOWN TO MAINTAIN A FUNCTIONAL STAGING AREA. POWERHOUSE SITE SECTION ALONG PENSTOCK SCALE: 1 INCH = 20 FEET X' zz O u� U D L> J CL- cn U Z O U PATE 9(9/3020 DESIGNM Jm DRAWN: JDC CHECKED: SCA1E: AS HMO FILE: Ped.Dtf .d, Sheet C-10 &1ACCESS ROAD PLAN -- STA. 66+00 TO 66+00 (TRIB 'R1' CROSSINGS) NOTES: 1. OG CONTOUR INTERVALS ARE 5 FT, AND 25 FT. SCALE: 1 INCH = 40 FEET 2. FG CONTOUR INTERVALS ARE 2 FT. AND 10 Fr. 68+00 65+00 ACCESS ROAD PROFILE AT TRIB. 'R1' FORD CROSSING SCALE: 1 INCH = 40 FEET 64+00 o w eo 260 250 240 m 230 m 220 210 NOTES, 1. CONSTRUCT FORD AS A Fl. DOWNSTREAM FORD EDGE MATCHING EDGE DAYLIGHTING TO CREEK LL CUT BENCH AT THE CREEK CHANNEL, WITH CREEK BED OG AND UPSTREAM FORD BED AT MAX. 5H:lV 20% SLOPE. 2. BEYOND CREEK CHANNEL, FORD EDGES TO ADJACENT TERRAIN SLOPES USING INDICATED RIP MAINTAIN DESIGN PROFILE, TRANSITION FROM OG AT MAX 20% (5:1) CUT/FILL RAP. ADJUST DOWNSTREAM FORD EDGE TO CREEK THALWEG (NOTE 1). 24' FORD WIDTH �- i B' ROAD 5% 'R1' THALWEG� 10.6X 18" 5% COURSE CLASS i RIPRAP� NOT 1. ADDJJ'UST HORIZONTAL AND VERTICAL LOCATION OF LOW FLOW CHANNEL TO MATCH NATURAL CREEK CHANNEL. 2. LOW FLOW CHANNEL ACCOMODATES FLOW UP TO —10 CFS, WHICH IS EXCEEDED —20% OF THE TIME. LOW FLOW ROAD FORD PROFILE CHANNEL —13' BEYOND CREEK CHANNEL }1 +10% `PER 2/C-11 -8 INCHES J TRIBUTARY R1 THALWEG PROFILE AND FORD DESIGN CROSS SECTION I�1 ROAD FORD PROFILE AT TRIBUTARY PROFILE AT TRIBUTARY \`2SCALE: 1 INCH = 10 FEET k" SCALE: 1 INCH = 10 FEET ¢ L11-56plg�- LOW FLOW CHANNEL 5' < J DD FDA__ 1 FhE: .__PednOmign.dvg Sheet J C-11 nF ACCESS ROAD PLAN -- STA. 66+00 TO 88+00 (TRIB 'R1' CROSSINGS) NOTE1 Oc coNrouR INTERVALS ARE 5 FT. AND 25 FT. �J SCALE: 1 INCH = 40 FEET 2. FG CONTOUR INTERVALS ARE 2 FT. AND 10 Fr. 0 ¢ o of z TWO lyp +wW +=U m U N LOW POINT ELEV - 334.99 LOW POINT ELEV = 334.99 m U m 0 LOW POINT STA — 98+57 LOW POINT STA = 98+45 ¢ p Z O PVI STA = 98+62 PVI ELEV 334.99 PVI STA 98+40 PVI ¢ ¢ ¢ = W W ELEV = 334.99 m m AD. = 10.00 IA-, AOs i nn A.D. 10.00 u s i nn A, DFE = ROAD FG + 3.4 FT. (EL: FLOW FORD PROFILE 4/C-72 ....... CL EG Cl FG 21ACCESS ROAD PROFILE AT TRIB. 'Lt' FORD CROSSING o a w SCALE: 1 INCH = 40 FEET 380 370 360 350 340 330 DOWN TREAM FORD EDGE MATCHING CREEK BED OG AND STREAM FORD EDGE AYLIGHTING TO CREEK BED AT MAX. 5H:iV (20%) S OPE. 2. B OND CREEK CHANNEL, MAINTAIN DESIGN PROFILE, T NSITION FROM FORD EDGES TO ADJACENT TERRAIN OG AT MAX 20% (5:1) CUT/FILL 48" COURSE CLASS IX I ON UPSTREAM CHANNEL FORD SHOULDER (ROAD +O H UIDTH ADJUST LDERS) BED (NOTFORD E )- EK 36" COURSE LASS VII RIPRAP / ON DOWNSTREAM SHOULDER .AND FILL SLOPES.) MAXIMUM GRA 9 E 12.5% (8H:1V) 320 / z"� TRIBUTARY L1 THALWEG PROFILE AND FORD DESIGN CROSS SECTION J SCALE: 1 INCH = 10 FEET 0 z Z cn a �OQ n x a n ' v v N V / m O n Q' z z NWN L^ ~ ¢ v cn O z O O O Z - Z �U o0 O J Z a � o C O O J � o � W � J ¢ 00 N v N 1- 1- Lo W ->F NOTES: 1. ADJUST HORIZONTAL AND VERTICAL LOCATION OF LOW FLOW CHANNEL TO MATCH NATURAL CREEK CHANNEL. 2. LOW FLOW CHANNEL ACCOMODATES FLOW UP TO -25 CFS, WHICH IS EXCEEDED -20% OF THE TIME. ROAD FORD PROFILE _ LOW FLOW BEYOND CREEK CHANNEL CHANNEL �20' ' PER 2/C-12 -12 INCHES J 4 ROAD FORD PROFILE AT TRIBUTARY L1 LOW FLOW CHANNEL SCALE: 1 INCH = 10 FEET DATE: 9/0/2020 DESIGNED: dpG LFILE adm0ei9n.dvg Sheet C-12 •� A i --, �\ ESTIMATED ORDINARY HIGH WATER MARK MEANDER V w ESTIMATED DESIGN FLOOD LEVEL 1� � �5 i A/ TYPICAL 'BANKFULL' MEANDER ESTIMATED ORDINARY HIGH WATER MARK MEANDE� n. A '✓�/ CUT/FILL DAYUGh'T'Q \, \\ ESTIMATED DESIGN FLOOD LEVEL 1V ♦ �._ \\ v\V i \ v R750\.. \ V A� ZJS �. �q, I CON RTAGING AREA / WORK PAD I I I UCTION S I ) EAST/LEFT BANK ABUTMENT (SEE 1/C GUARDRAIL (TYP)255 �84+ 53+00 NOTES: _-''-IN ` .. / \ :•.. ;----�-~\� \\ \\ 1. PRE -FABRICATED SINGLE -LONE SELF -WEATHERING STEEL BRIDGE W/ GRAVEL WEA N FF tl(�A \ \ \� _ \\ NOMINAL 60 Fi. SPAN (56 FT. CLEAR BE ABUTMENTS), -�� t / \ �. NOMINAL 14 FT. WIDTflO T� PROVIDE FOR PENSTOCK, COMM, AND ELECTRIC UNDER BRIDGE DECK_ COORDINATE FINAL ABUTMENT DIMENSIONS WITH BRIDGE SUPPLIER SHOP DRAWINGS IN ACC ORDANCE'WITH SPECIFICATIONS- � ~ �:.�� '�'� I• \\ KNUTSON CREEK BRIDGE \ \ i \• ,,,, ; II 9' i (SEE NOTE 1) i \ i {t �2. ESTIMATED KNUTSON CREEK MEANDERS THIS SHEET REFLECT EXISTING PRE -CONSTRUCTION CONDITIONS R200'/ POST -CONSTRUCTION CONDITIONS A��iiE MATERIALLY UNCHANGED EXCEPT FOR THE FOOTPRINT OF THE ACCESS WEST/RIGHT BANK ABUTMENT ;'• ROAD, BRIDGE ABUTMEMS, AND ASSbGiATED SITE IMPROVEMENTS. EXPECTED POST -CONSTRUCTION INCREASE IN ((( n) \ (SEE 1/C-jk) PC _ 8144 •` I S ;;} ) ! _� WATER STAGE IMMEDIATELY UPSTREAM bF CREEK BRIDGE DURING 0100 DESIGN FLOOD 15 LESS THAN ONE FOOT. % \\� zyO + I ACCESS ROAD PLAN -- STA 81+50 TO 87+00 (KNUTSON CREEK CROSSING) SCALE: 1 INCH = 20 FEET 0 z Y Z a a alZ x �z Q m w Y Q m d 340 m Q EG m iw Fw 2 �w ww N z z W cwi 320 ww ow w m w p w m� a wUp 3 ww Up K Kp W 1 .N.. 0 W IV FG U W m W It m 2 F (t 0 mN VI m U I^ (n 14.99Y. LLJ LL a ti 280 Z w 0.00% o z o 0 Z F-0 ELEVATIONS AT BRIDGE (SUBJECT 0 CHANGE PER FINAL BRIDGE SHOP DRAWINGS): 260 U ~O o DECK WEARING SURFACE: TOP OF BRIDGE STRUCTURE: +269.9' +269.4' (EXISTING) d -0BOTTOM (FUTURE)K OF BRIDGE STRUCTURE: +265.9' LOCAL CR OK STAGE O O J 24p W d WATER SURFACE ELEVATIONS: TN EUTUR LL_ O La_ DESIGN FLOOD (5,363 CFS): ORDINARY HIGH WATER (2,909 CF +262.4' +263.3' ): +260.5' +260.6' L_L) 4 BANK FULL 800 CFS : +257.5' +257.5' Q V 220 O to q m Ln z w o EG EL o m �FG ELCD NN Ln -)F w 87+00 86+00 85+00 84+00 83+00 82+00 -J(- ACCESS _ROAD -- STA 96+00 TO 101+00 0 1.m 4,4 = \ )SCAI.F: 1 INCH = 40 FFFT ® 7 �~-- w 0 a 0 m¢ 0z N R W W U O QR' Om rc mw >- w xz z 0 z FATE 9/®/2020 FESICNED- JDG DRAWN: CHECKED: SCALE: AS NFiEo Rom; PedraOaign.tivq Sheet C-13 NOTES 1 1. COyT TOP SHOW E RLI R TOPOGRAPHIC PROVIDED 0 A MAY OCTOBH VERIFY C 2RE MAY H VERIFY CURRENT CON[IN 2. MAJOR CONTOUR IN ON VALLEY SIOEWALLS. ON GRADE BASED ON M, S BY POLARCONSULI . A SIGNIFICANT FL AGED SITE]CONDITIO IS 5-FOOT ON VALL I CONTOUR INTERVAL 3THIS EST DOES N s APPROXI %,_-� DIVERSION STRUCTURE SITE PLAN SCALE: 1 INCH = 40 FEET 440 420 400 380 ORDINARY HIGH WATER -392.5' BANKFUL WSE -389. -4+00 -3+00 -2+00 -1+00 0+00 1+00 DIVERSION SITE CROSS -VALLEY PROFILE SCALE: 1 INCH = 40 FEET 2+00 3+00 4+00 0 40 00 I Wm - 40 rm M0 wrt. wccw.r« 0\------------ Ln iE w N !n 3 p41E; 9/8/2020 DESIGNED: JW DRAWN: a CHECKED: 50ACE AS ND1E0 Dom: PaEm0au9n.tlrg Sheet DED -1 440 420 400 380 Y 5 Q � J U S Q Q Z_ Z_ LL EL J' J' m m0 J N�f01 J 0-N 0-r m QW WW U. N LL Km F0 WO NO ¢^ UN J VQ- Zz �Z NIaO. Nn ('J6p Q� ¢O 6p K Z }d }(J \W J K�Jj NW NW �W O 30 000 OZ [O 0J- 0 oz NO �00 �-W Q W 3 OOI pOjJJ WU ONJJ Uff m^nJJ U OQ1JJWU OONJJ<ayH m�6 O _WN<NpnVZDN +w +WJ +ZJ dM M, WZ O oo,W00WO,W ZOZU N d NV�W <mmoaZ om ¢.Izd0 ozmzzaza JVI zo. VNNrWN NU NUWN WN WV WN WWl E\' r O I � Z � Q �w 0 0 n a U N cn o � % LLw a� Z Z �F—� V / Z LL 5+00 0 Z 0 p O o Q U o 0 J W Z o O C� 0 0 a o J W �— a a 00 N U Z N N F- O T) w N NOTES: 1. PROFILE TAKEN ALONG DOWNSTREAM FACE OF CONCRETE STRUCTURES AND DOWNSTREAM TOP OF WINGWALL PRISMS. 2. DESIGN FLOOD ELEVATION CORRESPONDS TO INTAKE SITE Qim DESIGN FLOOD OF 4,719 CFS WITH FLUSH GATE CLOSED. 3. NORMAL OPERATING POOL WILL VARY WITH CREEK FLOW FROM 398.3 TO 401.2 FT. 401.2 FT. CORRESPONDS TO 540 CFS WHICH IS EXCEEDED APPROXIMATELY 1% OF THE TIME. DESIGN FLOOD ELEVATION: 04.6' (NOTE 2) QIKE CIREST AT 40 WA TOP: 40 B.O.0' NORM L OPERATING FOOL: -401.2' ( OTE 3) 01 E CREST AT 4 8.0' M ri o a h m m n O o o v M of m M O d m M O7 mi m n of m n N r m M W r m n M r i m n N m n OJ vi m M N o 0 v -3+00 -2+00 -1+00 0+00 DIVERSION STRUCTURE PROFILE CA 2 SLE: 1 INCH = 40 FEET 1+00 2+00 3+00 4+00 5+00 o a as i urN=arm GATE 11112111 OESIGNEO: J� 0P WN: CHECKED: scAtF: �s xmm FlIE: PedmOadgn.dry Sheet oD-2 FM o M III a �I n - � jll CA I 0 DFE: NOP: 45' CONCRETE INTAKE AND DIVERSION STRUCTURE FOOTING PLAN NOTES SCALE: 1 INCH = 8 FEET 1. NTTOUR INTERVALS ARE i FT. AND 5 FT. FT 1/ FOOTING TYPE WILL DEPEND ON -A. 7 WHERE EXPOSED BEDROCK EXIS \ �\ `\ B. WHERE UNCQISSOLIDATE DEPOSIT BOTTOM —OF —FOOTING DEPTH. THEN — IF COMPETENT BEDROCK IS E j.; USE BEDROCK FOOTING DESIG ,I f, — IF —OF —FOOTING MATE -BOTTOM --F6cMNG DESIGN. FOR OTHER BOTTOM—OF—FOQ /' /! ENGINEER FOR DIRECTION. , \ O ----____- \ O IN I SURFACE CONDITIONS AS OETERMINED IN FIELD. ISE BEDROCK`, FOOTING DESIGN. IST, FIRST EXCAVATE TO INDICATED NTERED AT OR A@OVE BOTTOM —OF —FOOTING, 15 SUITABLE MINERAL SOIL, USE MINERAL SOIL MATERIALS (CLAY, SILT\ ETC.) CONTACT 0 z cn ^ w O m M a G- _ x a 4 0 w N z cn zo w U z ;0 z a. r o ow —1 w W J Q 0 N z N Lo -X- > ., � N !n , v DIKE) DATe s/e/zoz. Deslexe0: +� L��EWCKED PatlmDedgn.dry Sheet oD-3 F SEE Em RO INTAKE SCREEN %41LS SEE 1/D-12 �1 lWE5.1 p1KEl�i a 45' CONCRETE INTAKE AND DIVERSION STRUCTURE WALL PLAN SCALE: 1 INCH = 8 FEET DFE: NOP: 45• NDTFS: 1. CONTOUR INTERVALS ARE 5 FT. AND 25 FT. FT ;I 6 N� ,T DIKE) O Z aV Cn W a`r. z-� �` � O � M ❑i 6 ^ `� V' W N N LLJ N F Z a ZC1 w o''z"` E � c/-�� /0/l 1 D Z zd' o 6io i.L W 0 U { N F O 0 `y W 0 6 16 i wcx = e aer J Y O µ0 Y U) m rom�o cu 7 Hm N C 0 9 6 �5 CL m DAZE 9/0/I! DESIGNED: J� DRAWN: Ja CHECKED: SCPJF: � NO1E1 RIE; Pedmgmg�udvg $hcet oD-4 9/0/RO J� J� AS NOTED 'adm0eti9n.dvg 5 a 4 6 0 U O 4 0 0 0 0 0 w U' 2\\ K W-1:i/ � 44 U SEE 1/D-5 FOR z m z < z HEADWALL DETAILS w 0 a G 0 o GRIDS D TO F. 415 FG SEE SITE _m Wm J GRADING PLAN 41G - TOP El: 406.0' 405 --II _ I S7 HI NOP: 401_2' 400 — ---- ------_- - — LO NOP: 398.3 12'WX4'H " - NTAKE OPENING ' 395 „ „ EXPOSED BEDROCK OG 390 MAIN Cj OG 385 O r c6 m n < N N Oj M M M t7 M -D+ + + + +75 (,11NTAKE HEADWALL ELEVATION (GRID 1) SCALE: 1 INCH = 8 FEET 41: 411 40: 40( 39: 39( 71- I zw - N a m m m N m 365 m m -0+ +Uu INTAKE GALLERY ENDWALL ELEVATION SCALE: 1 INCH = 8 FEET 41! 41( 40! 40( 39; 39( F\ WEST DIKE CREST (B EYON O) ¢ _ m y0 zw _m m m m 383 M M INTAKE SPILLWAY ENDWALL ELEVATION SCALE: 1 INCH = 8 FEET +25 +50 0 a 16 i ixcx - e FEE1 o e I6 I INdI = e FEET S10 405 -- — — �— — — ' 400 — — — — — — WEST DIKE FG , 95 390 - 585 N M N —0+ + +Zb U+Pu UT7 r,-11NTAKE WEST WALL ELEVATION (GRID A) Y SCALE: 1 INCH = 8 FEET HO i05 -- ---_ 300 95 ----------------- S90 5@§ o m m m m M m M m M m M m ✓] 5 INTAKE EAST WALL ELEVATION SCALE: 1 INCH = 8 FEET Q � W �/�// LL O % Q _ _ a � ~/ l N v W V / V ' ^ ::) J n LLJ Z Z O law. O z F 0 /O/11 L ~O O z0 J o_ W h CD� �a � d � w LLJ 00 N 0\ O T) F � w � -X- 5 v OATS a/e/zozo 0E$ICNED: J� LIAE edmOe®9n.dry $heel aD_7 10 sos -- ---- _ S7 HI NOP: 401_2' .00 LO NOP: 398.3 — � ---- S95 S90 m n m n m n HEADWALL COUNTERFORT ELEVATION 1 J SCALE: 1 INCH = 8 FEET M5 -- ---- 400 S95 f90 ci n m n m n 21 HEADWALL COUNTERFORT SCALE: 1 INCH = 8 FEE o e m t FOREBAY SIDEWALL BEYOND TOP EL: 406.0' Z wo E w - m FOREBAY SIDEWALL BEYOND TOP EL: 402.5' FOREBAY FLOOD INLET WEIR SILL EL: 402.0' -'-'; FOREBAY FLOOD OUTLET WEIR SILL EL: 400.75' — — — NOP —�--— — — — — —— FOREBAY DECK EL: 398.0' w0 � U Z� ME 4 INTAKE STRUCTURE EAST — SCALE: 1 INCH = 2 FEET' In ! z 1 SCALE: DESIGEC N STION FOR WINGWALL ON GRID A ABOVE GRID 1 J 1 INCH = 2 FEET FOREBAY SIDEWALL TOP EL: 408.0' w� 0 � N FE FOREBAY SIDEWALL TOP EL: 402.5' NfIOP FOREBAY DECK EL: 398.0' GALLERY FLOOR EL: 389.0' wZ O F U zN 1 INTAKE SPILLWAY SECTION `' SCALE:. 1 INCH = 2 FEET pgiB 9/B/1GRG OESIGNEO: Jm LC.ECKM 'gadvg Shecl D-8 of O Z cn a zz G �w cl�o x¢ a- a c v v N I un N LL Z z C)f ~ a w z O �O ZZ U ~ O O p �HEAOWALL q z �, O 0 O O J LL a o tL J W W Q Z i ¢F y0 J Q O N U Z i N N N - j - o DFE INTAKE EAST WALL (GRID B, BEYOND) H W * ------------- 2 HI NOP REBAY INTAKE SCREEN ASSEMBLY SEE 1/D-12 FOREBAY DECK -------------------------------------------------------------------------- ALLERY PIPE CROWN (391.5') SCREEN TAILWATER WEIR NATURAL CREEK PIPE INVERT (389.5') MAIN CHANNEL 4 W z A0 ® 3 W z aG zo q INTAKE STRUCTURE NORTH -SOUTH SECTION SCALE: 1 INCH = 2 FEET DAiE 9/B/t020 GESIGNEO: JAG DRAWN: JAG CHECKED: SCALE: Ai xolEElt FlLE; PetlraMd9htly aD-9 _ _ — 0 DFE —i l7HI NOP --_IS7l0� _ _ _ _ _ �DFE _i NOP --------1_7 LID TIMBER BUMPER SPILLWAY WALL (MAIN SPILLWAY SHOWN) HT. VARIES 4.5 TO 12 FT. CONCRETE SPLASH BLOCK. CAST ON COMPETENT ROCK, SHAPE TO ROCK CONTOURS. MIN. 12" HIGH AT WALL, SLOPE SURFACE AT —1 V:4H. BROOM FINISH. DETAIL A: SPILLWAY WALL DESIGN SECTION ON BEDROCK BUMPER 'ILLWAY WALL !ND SPILLWAY SHOWN) HT. VARIES FISHPOOL WALL 1.5 TO 4.5 FT. /- HT. VARIES . 1'-2' DETAIL B: SPILLWAY WALL AND FISHPOOL WALL DESIGN SECTION ON BEDROCK DIVERSION WALL AND FISHPOOL WALL - DESIGN SECTIONS WITH FOOTINGS IN BEDROCK SCALE: 1 INCH = 2 FEET EXPOSED EXPOSED I LWI-2rt 0 0 Z U) a — — — — — — — — — — — — — — — 7DFE BUMPER -TIMBER SPILLWAY A O x d (5THSPILLWAY SHOWN) r ^ U N v V 1 c o� HI -Z � ~ C RIP RAP TOP COURSE CLASS AND FG PER 0 � �'.. NOP HT. VARIES CIVIL PLANS 1.5 TO 6 FF. O Z C) Oclf ZO —I LO a O F SURFACE GROUND 12" COURSE CLASSRIPRA O d � z O --- ---- -- ------------- Ow o a LL_ O 0 1, 40" MIN. 60" N 3" MINUS EXCAVATION LIMITS COMPACTED FILL AS REQUIRED b\ w o Ln E w 0 N tlFLt F N CAST FOOTING ON SUITABLE NATIVE MINERAL SOIL DETAIL A: SPILLWAY WALL DESIGN SECTION ON MINERAL SOIL — — — — — — — — — — — — — — � D FE _ 2 SPILLWAY WALL (3RD SPILLWAY SHOWN) ------------- CHI NOP —i / I FISHPOOL WALL Lo -"— 36" RIP RAP TOP COURSE / CLASS AND FG PER 12" COURSE CIVIL PLANS CLASS — RIPRAP—j /-6" SLAB 24" COURSE 3" MINUS FILL CAST FOOTING ON SUITABLE MINERAL SOIL DETAIL B: SPILLWAY WALL AND FISHPOOL WALL DESIGN SECTION ON MINERAL SOIL �1 DIVERSION WALL AND FISHPOOL WALL - DESIGN SECTIONS WITH FOOTINGS IN MINERAL SOIL SCALE: 1 INCH = 2 FEET W F U 7 F J d °I w 0 gg 0 w m EXISTING GROUND SURFACE EXCAVATION LIMITS AS REQUIRED OA1E: 9(8/i0i DESIGNED: JJD DRAWN: Jw CHECKED: SCA1E AS NOiEO 'LE: RadroDengn.dy Sheet D-10 0 - 7 IJ lJ z 90 Z ..... ...... — — — al KNIITSON OREEK �- FISHPASS IR ET SLOT IN HEADWALL. SEE 1/D-5.— m 1 DIVERSION SITE PLAN DETAIL - FISH SCALE: 1 INCH = 4 FEET 1 415 1 411 40! 40( 39: 39( 385 '-- FLOW REGIMES AT DIVERSION SITE O Z r FISHPASS DISCHARGE FDN SLAB. FLOW CONDITION FLOW (CFS) IMPOUNDMENT STAGE FLOW INTO FISH PASS EST. EXCEEDENCE -)FOf FISHPASS ASSEMBLY SEE 2/D-13. DESIGN FLOOD 4.719 1404.6 FE -16 -09 NOTE 1 HI NORMAL OPERATING POOL YEAR-ROUND 540 401.2 FT. -12 -1% NOTE 2 0- FISHPASS REST I LO NORMAL OPERATING POOL SUMMER 40 399 6 FT. -10 --697. NOTE 3 LO NORMAL OPERATING POOL (WINTER) 10 398.3 FT. ^�7 NOTE 5 ,1007. NOTE 4 POOL FDN SLAB. NOTES: O x 1. -YEAR FLOOD, WITH EXPECTED ANNUAL CHANCE OF OCCURANCE OF 1%. B_ 21'-7" 2. THIS FLOW CONDITION IS EXPECTED TO BE EXCEEDED -t% OF THE TIME. a 0 ' 3. THIS FLOW CONDITION IS EXPECTED TO BE EXCEEDED -69% OF THE TIME ANNUALLY. O w 3'i0" IT 15 EXPECTED TO BE EXCEEDED -100% OF THE TIME FROM MAY 15 THROUGH OCTOBER 1. (n N 9 SUPPORT 4. THIS FLOW CONDITION IS EXPECTED TO BE EXCEEDED -100% OF THE TIME ANNUALLY. 0 0 1` Y COLS (TYP 5. FISH PASS FLOW WITH WATER INLET SLIDE GATE OPEN. SEE FINAL PERMIT TERMS AND CONDITIONS FOR ALLOWED GATE CLOSURES. Ary) OF ¢), - - w � Z w -__ _ ,:' a Z w — 5-6" ' FISH PASS NOTES: 1. FISH PASS IS AN "ALASKA STEEPPASS" FISH PASSAGE STRUCTURE. DESIGN FISH ARE ADULT SOCKEYE SALMON. O z 0 O t1 O 2. FISH PASS SHOP DRAWINGS BESUBMITTEDAND PRIOR TO AND APPROVAL. O ZO ¢'_2" O r7 ' FOR AGENCY(NEER SCHEDULEER 3. CONTRACTOR SHALL PROVIDETIMEIN APPROVAL OF FISHPASSTSHOPODRA NGS. U H COORDINATE ALL FISHPASS DIMENSIONS AND DETAILS OF CONSTRUCTION WITH FINAL APPROVED FISHPASS SHOP DRAWINGS PRIOR TO a_ 0 CONSTRUCTION. LOCATION OF FISHPASS FOUNDATION PADS, INLET SLOT IN HEADWALL, AND OTHER FEATURES SUBJECT TO CHANGE TO ACCOMODATE SHOP DRAWINGS. FLOOD INUNDATION/VELOCITY/DEBRIS HAZARDS AND ICE z a 0 W O -- 5. FISHPASS SHALL BE BUILT FOR FOUR -SEASON INSTALLATION. TO INCLUDE FORMATION IN AND AROUND THE STRUCTURE. U O 0 d _ 6. FISHPASS SHALL TOLERATE 1000 LB. LIVE POINT LOAD AT ANY POINT ACCESSIBLE BY BROWN BEAR OR OTHER MEGAFAUNA. 7. FISHPASS SHALL INCLUDE REMOVABLE SCREENED COVERS. (n _LLJ (TAKE FOREBAY_: -' O _ w� C N * 3 ' DIVERSION FISH PASS NOTES ® 4 1 P'tl1 •4 MT SCALE: NTS I HEADWALL 2' WIDE X 5' TALL OPENING IN HEADWALL SILL EL: 397.0' ALASKA STEEPPASS FISHPASS INLET MODULE WITH MANUAL SLIDE GATE TO CONTROL WATER FLOW INTO PASS. BOLT TO DOW ISTREAM _ HI NOP: 401.2' FACE OF HEADWALL MATCH SILL TO OPENING SILL AT 397. ' NOP SUMMER NOF 1 — --- - — - — _ WO 10-FT SECTIONS — OF — — — — — — — — — — — — — — S WINTER LO NOP: 398_3' — — — — — — STEEPPASS SET AT 16' I + fALASKA RESTING POOL( / TURNING BASIN FLOOR EL: 3911.4' ;SUPPORT COLUMNS SEE 3/D-13 -------- --- —�— ' QHI NOP:-391.9, ---+ — — — — — _ _---_-_ NOP:-389.2' EG (EXPOSED BEDROCK) FISHPASS DISCHARGEIFON SLAB. EG (ALLUVIUM) FF EL: 388'-5", S�E 1/D-3. BOLT TO CONCRETE SLAB (FISHPASS REST POOL FDN SLAB 'O ONE 10-FT SECTION OF ALASKA o m STEEPPASS SET AT 16' ro 0 FF EL: 388'-3• SEE 1/D-3. of M M rm1 -0+25 0+00 ,� DIVERSION FISH PASS PROFILE GRID 1 SCALE: 1 INCH = 4 FEET 0+25 A GRID 3 0+50 35" OVERALL LENGTH FABRICATED COLUMN 3 FISH PASS RESTING POOL SUPPORT COLUMNS SCALE: NTS i� I O°. �Y 1 }" PL N.i.S. COL AI /-FISHPASS RESTING POOL ASSEMBLY 6" INSET FROM POOL EDGE TO COL CENTER (TYP ALL) 6.0 XXS PIPE COLUMN (TYP) COLUMN END PLATE (TYP) (SEE INSET THIS DETAIL) GROUT PAD AS REDD. ,CONCRETE FDN SCAR J 3/400 06% EPDXY INTO SLAB AND ;u 420 'LIMIT 'OF ' ; I ' I ! ' ;i / I I ` ` —DOWNSTREAM DIRECTION , ( BORROW PIT FOR DIKE, CQNSTRUCTION� I 410 E 40 i H, �\ TI _ {/ DIKE TOP L 6.0' 1 FLOOR ��L -0397. � I /; � '' /�` 'll \t I I % -� is IS DFE EL: 404.6' ( I �I'I I ,' ' i// I 'I, EG400 I � , I� I�I STRIP DIKE FOOTPRINT TO MINERAL SOIL i !i i „' it II 1 ',''' 6"- ROCK FILL `---------- ' ' t I 'a;I 1 "/; BENTOMAT LINER, FILTERS, AND BEDDING COURSES ®2:1 '.... 1 F NOTES: 'I 6"- ROCK FlLL i'�V�' 1. CONTIN D(K 24' COURSE RIP RAP FACING I d q '/ EXTEND LINER, FILTER AND BEDDING TO 4' BELOW OG.� \ ROM P RFA DIKE /� cR E SEE DETAIL 4/D-i6 FOR LINER TERMINATION ON SHALLOW BEDROCK. I<•yTAKE / , E BRI "D "" ";.AT,BN-AF-GGNARRE-WA J it AINTENA CE 17'/ U'IfII I YQCCE%S,1' l I J ' EXTEND RIPRAP FACING INTO UNER TRENCH. { it I 7 f7RA1 l '/ UNCLASSIFIED MINERAL FILL +397. �R , ��!� I I � kEf iT�RSION I UCTURE I DIKE DESIGN SECTION DIKE OP ,� DIKE TOE N- ` ( `\ 3 = 0 1a m �I,'ll''Ij "' SCALE: 1 INCH - 10 FEET I IM;x -,o ,¢r 4D8.0 - -�--�- 6 I'�nl +31 \_`_it 1 ________yl I \'�, i�!I } y�.�, p —DIRECTION OF FLOW I � la.00 � i'�.•_� 'liil SEE 3/D-16 FOR OTHER DIKE DETAILS o +405. 6" MINUS ROCK FILL Ilk +403/5 _�I ' �� 'i - +40p. ', 1"',j PLACE RIP RAP ARMOR COURSE TO t ( 1' k,\ OG. THICKNESS PER OTHER DETAILS. RAMPS Upt� I /l '71, �1i i PLACE 2z SAND PADDING COURSE AND FILTER FABRIC ((;'' 1, 1 PER OTHER DETAILS OVER LINER TOE. �'',, C-MSTRUQQN PAD V T _- L] �I`',I, \,J 4' MINUMUM / ;' `,\,� EXPOSE COMPETENT BEDROCK SURFACE AND CLEAN \�h; n' F`;` 11 \\``\ �` `` OF LOOSE ROCK, SOIL, AND OTHER DEBRIS. /t \ IF BEDROCK SURFACE IS SMOOTH, PLACE CLAY LIMIT OF TOE 1 LINER DIRECTLY ON BEDROCK. OTHERWISE PLACE ACCESS ROAD' ! I \ BENTONITE CHIPS TO FILL VOIDS AND FORM SMOOTH "\ \ , SURFACE FOR LINER PLACEMENT. EXCAVATE TRENCH TO MINIMUM 4 FT BELOW O. _ / ♦ 3 \U DEWATER AS REQUIRED. �� WEST WINGWALL\DIKE AND WEST SIDE SITE ,ekADING -PLAN ,�'� � �\ � 1 \\ 10, ,, m '` '`'`'� DIKE LINER -TO -BEDROCK SEALING DETAIL z SCALE: 1 INCH = 20 FEET , 4 SCALE: NTS Q zz a� ^ w s ^ ¢J O OL J - 3 y o p UPSTREAM FACE OF DIKE-� r— N w z 3¢"'� a�dn - �� r�nn U N i az 3 0 o w .�.p w j w_ RIP -RAP ARMOR COURSE wo to FFm OW 3so � �� W � N F 1 mo L oµ wya cs (w wa �0 3 wow II Ka MINUS FILL (THICKNESS VARIES) OvnO O D0 +12' COURSE SAND BEDDINGGEOTEXTILE LINER now .n I oI ¢Z W V 0 O FIG (SEEINTAKS EEf D-3) BENTOMAT GEOTEXRIE UNER� I__10 FEET �I z 410 �) 1 0 0 405 a -- 2ND COURSE OF BENTOMAT LINER F MEMBRANE --- - - __ 400 (BENOMAT ON BOTH SIDES OF MEMBRANE) I EG 25', EFT DOWNS EAM EG -- _- - 390-/{/—/� I 0 0 N 385 12" COURSE SAND BEDDING I / O N V1 o GEOTEXPLE UNERJ / II O z c J GEOTEXDLE MEMBRANE b� I- 1- o g 6" MINUS FlLL (THICKNESS VARIES) w SECURE MEMBRANE TO CONCRETE WALL WITH CONTINUOUS }"v2" STEEL BAR.J LIB -)(- W 2+50 2+00 1+50 1+00 0+50 0+00 -0+50 FASTEN BAR TO WALL WITH }" REDHEAD ANCHOR BOLTS OR R4MSET EVERY 12" N % N WEST WINGWALL DIKE - PROFILE DIKE LINER -TO -WALL SEALING DETAIL = SCALE: 1 INCH = 20 FEET 5 SCALE -�- ::1 ¢jam jaw a�3 GATE: 9/B/10Z0 DESIGNED: Ice DRAWN: JGG CHECKED: SCP1E: As NORD FlLE: PadnDea9adry Sheet D-16 1 EAST WINGWALL DIKE AND WEST SIDE SITE GRADING PLAN SCALE: 1 INCH = 20 FEET DIVERSION STRUCTURE (SEE SHEET D-4)� 41f 40: 40f 391. 39C SD' i FG � 0 ro a DIKE RAMP STANDARD DETAIL II x%® �SCALE: 1 INCH = 1 O FEET -0+50 0+00 0+50 (-,—� EAST WINGWALL DIKE - PROFILE SCALE: 1 INCH = 20 FEET 1+00 1+50 z+00 0 4 FLOOD SPILLWAY APRON DESIGN SECTION SCALE: 1 INCH = 10 FEET 0 to 20 I INCH - 10 R£I a 10 20 1 wcx - 10 rtEt :1 DAIS 9/9/20 DESIGNED: dm DRAWN: JOG CHECKED: SCALE AS NUIE9 RUE: PedmOe:gn.dry Sheet D-17 POWERHOUSE SITE GRADING PLAN o in so SCALE: 1 INCH = 10 FEET' IIX® �1 POWERHOUSE SITE SECTION AT TAILRACE SCALE: 1 IN = 10 FEET '3\POWERHOUSE SITE SECTION AT PENSTOCK SCALE: 1 INCH = 10 FEET zz �0 n c U W H � O n U CD 0 LL D0 Z O Ln DATE: _-_- _'_' DESIGNED: DRAWN: CHECKED:.-._. - _- SCALE: AS NOM MLE: __PedmM,.dm Sheet PH-1 20' LONG TU 0 STA. -2+ END TAILRACE ACCESS TF / AT CREEK B) GZ = 2 P'O /r I I� I TAILRACE PLAN SCALE: 1 INCH = 20 FEET BANK SOUTH `(KNUTSON CREEK DOWNSTREAM) STA, 0+00 TO 2+00: 8 to 10" DEPTH AT 20 CFS STA 2+00 TO OUTLET: -24" DEEP AT 20 CF5. WIDTH (NOTE 2) J�Op STA 2+20 ADULT SALMONIO EXCLUSION PICKET SEE 1/T-2 3/2017 LEFT BANK OHWM MEANDER GROUND SURFACE STA. z.Po USE EXCAVATED MATERIAL FROM CHANNEL TO BUILD ACCESS TRAIL ALONG NORTH (UPSTREAM) SIDE OF CHANNEL. MAINTAIN 5' SETBACK FROM RIM OF CHANNEL BANK TO TOE OF DIKE. MAINTAIN 2:1 SLOPES ON DIKE. PLACE LARGER BOULDERS ON NORTH (UPSTREAM) SLOPE OF DIKE. i 14' 1 2:1 CHANNEL BANK ARMOR WITH 12" COURSE CLASS 1 RIP RAP FLAT CHANNEL BED 6' MINUS GRANULAR MINERAL MATERIAL 12" COURSE CLASS 1 RIP RAP FOR 10 FEET DOWNSTREAM OF PICKET STRUCTURE. 2) RD TAILRACE SECTION SCALE: 1 INCH = 4 FEET n 1..¢� iDETAIL PROVIDES STANDARD TRAIL AND TAILRACE SECTIONS - THE RELATIVE POSITION OF THESE FEATURES ON THIS DETAIL ARE ILLUSTRATIVE ONLY. REFERENCE PLANS AND PROFILES FOR FEATURE LOCATIONS: - TRAIL AND TAILRACE ALIGNMENTS PER 1/T-1. - TRAIL PROFILE PER 3/T-1. - TAILRACE PROFILE PER 4/T-1. 2. CHANNEL BED WIDTH: - 0+45 TO 1+75: 8 FT. - 1+75 TO 2+00: TRANSITION 8 FT TO 10 FT. - 2+00 TO CREEK BANK: 10 FT. I z V � 1 cn \ 3 CUT/FILL DAY HT LINE (TYP I — Z I II w i O io a HYDRO ACCESS ROAD CL STA 58+85 II �A $TART TAILRACE ACCESS TRAIL I \ (n U N -/ PROFILE SEE 2/T-1 \ ` rn p U) �� v LiJ z z cn +001�\ 0 0 O Z Z 0+00���-' T�� a O a v z O c O ~ 0 o J n� LL- a LIT 1 \ TE w `1 \ II v 1 1 \\ TAILRACE STA 0+00 1 AT POWERHOUSE WEST WALL \ 1 \ PROFILE SEE 3/T-1 ,1 \ V 1 I AA 1 1 1 t Il\ NOTES: 1. OG CONTOUR INTERVALS ARE 5 FT. AND 25 FT. i z z R'Z J J ofO O O W zJ F W j Qw ¢z m N^ 00_ U Qm W W p v UVI xz x mN 30 U� > j d O z W 06 ZU U_ u W z Z W� w J6. U W Q O ° wwvi 2o x� o VWI 2 02 Y zW O U o UW ]U W 3K4f 3 O x w W VW W U W m zN O I- W U 4B: U W pz p W~0 a 4¢1 O z z � o xN� Q a .0 -zm °F mo ZC O W Q 1.1 a o 10 iY0 tW 1Nm N QU z IWQ W iY `2 i4z Q°. VI Z mWV1 Z WV1 OWN OW W W R' m 2+00 1+50 1+00 0+50 TAILRACE ACCESS TRAIL PROFILE ' SCALE: 1 INCH = 20 FEET 0+00 2+50 ,��TAILRACE PROFILE -r SCALE: 1 INCH = 20 FEET 2+00 J 0 O K z z U J Q V- GABION iYALL AT CUN ERT OUTLETIt - �� 1S0 DESIGNED: 10 100LE11EI d00 a r o "j o e c+ <e_ _ atlmOeignErg 1+50 1+00 0+50 0+00 (WEST BULGING WALL) n0F] t0 Q _. _ 1 v - 101¢r !x° War. Ew°cw.Dox7 NOTES: 1. POST BASE IS SIMPSON EAB44PHDG. CAST IN PLACE W/ 1" STICKUP FROM SLAB FF OR DRILL 1" HOLE AND PLACE WITH SIMPSON "SET-3G" ANCHOR ADHESIVE. 2. DETAILS 1, 2/T-3 ARE FOR THE LEFT BANK END BENT. MIRROR CONSTRUCTION FOR RIGHT BANK END BENT. SECURE TIMBERS TO POST BASE W/ SIMPSON SO CONNECTOR SCREWS. 6" THICK CONCRETE SLAB FLAT AND LEVEL, BROOM FINISH. (_117AILRACE PLAN DETAIL - FISH PICKET STRUCTURE SCALE: 1 INCH = 12 INCHES NOTES: 1. NOT USED. SET 4X6 SLEEPER IN CHANNEL BANK SLOPE IN LINE WITH PLANE OF WINGWALL AND 12" BELOW SLOPE FG. SCREW WINGWALL PLANKS INTO SLEEPER AND BACKFILL. TAILRACE FISH PICKET ELEVATION 2 J SCALE: 1 INCH = 12 INCHES CHANNEL BANK PER 2/T-1 LEFT WINGWALL DOWNSTREAM) I 10' TAILRACE CHANNEL BOTTOM 1t,-0„ 1'-O" WIDE x 18" DEEP THICKENED 9" SLAB AT DOWNSTREAM EDGE — — o ' 2'-6" 1 _3" 94. b 3'-2j'. 3. 0. 3'_2j" 914" i !POST BASE LOCATIONS o I I(TYP OF 10, SEE NOTE 1) 1 -3" o SINGLE MAT #4 BAR AT 10" O.0 BOTH WAYS 6" a 4 � i w PANEL CLIP TO TOP BEAM (SEE 3/T-3) kz �o w� GENERAL PICKET STRUCTURE NOTES: 1. STRUCTURE IS SYMMETRIC ABOUT CENTERLINE AXIS. 2. PICKET PANELS MUST BE REMOVED DURING WINTER SEASON (OCT. 1 THROUGH MAY 1) TO PREVENT ICE BLOCKAGE OF TAILRACE CHANNEL AND IN -PLACE DURING SUMMER SEASON TO EXCLUDE ADULT SALMONIDS FROM TAILRACE. SEE FINAL ADFG FISH HABITAT PERMIT FOR DATES PICKET PANELS MUST BE INSTALLED. 3. ALL STEEL COMPONENTS SHALL BE HOT DIP GALVANIZED, 304L SS OR APPROVED EQUAL FOR CORROSION PROTECTION. 4. ALL WOOD TO BE PRESSURE -TREATED #2 HEM FIR OR BE17ER 4 PICKET STRUCTURE GENERAL NOTES S•_0^ SCALE: NTS FISH PICKET BAR GRATE PANEL (TYP OF 3, SEE 3/T-3) U 5 5 9 -p 08 TOP BEAM NORMAL WATER .SURFACE AT DESIGN FLOW 4X6 4X6 J 4X6 '\7' 4X6 END SUPPORTI SUPPORT—} END - BENT COLUMN COLUMN BENT 4X4 PICKET I -24" .o « PANEL KEEPER ' DIRECTION OF FLOW 1'-6" HOOK ALL TRANSVERSE 55' I BAR INTO THICKENED EDGE13'� + 2 LONG. #4 BAR IN THICKENED EDGE 3� PICKET SLOB REINFORCEMENT DETAIL SCALE: 1 INCH = 12 INCHES RIGHT WINGWALL (SYM. W/ LEFT WINGWALL) zz a U U) U V / D L�yLJ LL V / U O z � O a- U O Z All El DATE v/e/mxa DESIGNED: tleC OPAWN: CHECKED: SCALE AS N01ED FILE; PatlmOadgn.tl.g Sheet T-2 NOTES: 1. PLACE SIMPSON TP PLATES CENTERED ON CONNECTION AND AVOIDING OTHER HARDWARE. SECURE W/ 2.5" 8d GALV. NAILS IN ALL AVAILABLE HOLES >1/2" FROM TIMBER EDGES. 2. THIS DETAIL SHOWS THE LAYOUT FOR LEFT BANK END BENT. MIRROR CONSTRUCTION FOR RIGHT BANK END BENT. —DIRECTION OF FLOW 3/4"0xB" DRIFT PIN IN 3/4"C HOLE. CENTER ON REAR 4x6. SIMPSON TP47 PLATE P rtd FAC FAC h W/ / SIMPSON TP35 PLATE NAI OTH SIDES BOTH ENDS 4x4 LEFT BANK END BENT SECTION - WINGWALL SIDE v SCALE: 1 INCH = 12 INCHES 4 NOT USED SCALE: NTS 2X6 PLANK WINGWALL. NAIL TO FRONT 4X6 3'-7,j" 3 16d GALV FRAMING 5 EACH PLANK. a i z � Npl " I f00f NOTES: 1. PLACE SIMPSON TP PLATES CENTERED ON CONNECTION AND AVOIDING OTHER HARDWARE. SECURE W/ 2.5" 8d GALV. NAILS IN ALL AVAILABLE HOLES >1/2" FROM TIMBER EDGES. 2. THIS DETAIL SHOWS THE LAYOUT FOR LEFT BANK END BENT. MIRROR CONSTRUCTION FOR RIGHT BANK END BENT. DIRECTION OF FLOW PICKET 1" 48 PICKET SUPPORT BEAM HUS48 HANGER FOR TOP BEAM SIMPSON TP411 PLATE (SEE NOTE 1) / 60' \ 60' 60' 1 i _ 5'-0" �� LEFT BANK END BENT SECTION - PICKET SIDE SCALE: 1 INCH = 12 INCHES TAILRACE BED FG FLUSH WITH SLAB FF. —DIRECTION OF FLOW FISH PICKET MCNICHOLS GAL-200 SWAGED BAR GRATE 2x3/16" AL BAR W/ 1" CLEAR SPACING. QTY 3: 36" WIDE x 60" LONG PANELS (-60 LBS/PANEL). SET PANEL WITH VERTICAL BEARING BAR AND CROSS BAR ON BOTTOM TO AID DEBRIS REMOVAL. FASTEN TO 4XB TOP BEAM W/ 3 MCNICHOL TYPE CB SS CLIPS AND LAG SCREWS EACH PANEL. 3"6x6" DRIFT PIN IN 3 "6 HOLE. CENTER ON TOP BEAM —29" 4x8 TOP BEAM FREEBOARD —� _ , NORMAL WATER SURFACE AT DESIGN FLOW 2X6 PICKET KEEPER 1 (NOTE 1) 3 —1Z 4x4 PICKET KEEPER ^'24" 4x6 COLUMN (NOTE 1) TAILRACE BED FG rFLUSH WITH SLAB FF. fl `Ij" 7 1 ' NOTES: 1. SECURE PICKET KEEPERS TO SLAB W/ HOG OR SS 1/4" REDHEAD ANCHORS (2-1/8" CONC. EMBEDMENT) EVERY 36" O.C. PICKET STRUCTURE SECTION AT TOP BEAM COLUMN AND PICKET PANEL 3 SCALE: 1 INCH = 12 INCHES \ IMPOUNDMENT REA AT DESIGN F ONION (WSE = 404.6 FT)%)� j ��_'I I�( SHEET NOTES: F '^) 1. "SPAWNING SITE 4" EXTENTS ARE REPRODUCED FROM MAP 6 OF "HYDROLOGIC ASSESSMENT OF p , 1 t II I' /�--� J SPAWNING HABITAT FOR KNUTSON CREEK HYDROELECTRIC PROJECT", POLARCONSULT ALASKA, INC. JUNE 6, Z 2017. IM UNDMEN; { "" AT', NORM L�OPERATING PO l (WEE = 401.2 Ff) IMPOUNDMENT DESGN DATA: Q NORMAL OPERATING POOL (NOP) a 1. NOP IS 398.3 TO 401.2 FEET, CORRESPONDING TO FLOWS FROM 10 TO 540 CFS (RANGE OF FLOW Z IFQUNDMENT AREA qkf MItd,NORMAL OP,ERhNG POOL (WEE /39Q'`3 Fi) ;'";�' /;%i' THAT IS EXCEEDED -100% TO -i% OF THE TIME). - Z a U 2. INITIAL IMPOUNDMENT SURFACE AREA AT MAXIMUM NOP IS 1.34 ACRES. THIS INCLUDES INUNDATED I eOUN((MENfi AREA AT MIN., NORMA4 iOPERATINC POOL ','/i 'j''' I IIt'\ AREA OF PROSPECTIVE BORROW PITS THAT MAY BE USED FOR DIVERSION CONSTRUCTION. 0 O x a ( NCO A�, 4- NOEDIMEN PERA''SURF CE - ',% i; j 3. INITIAL IMPOUNDMENT VOLUME AT MAXIMUM NOP IS 5.1 ACRE-FEET. \ AND aG-,TER IMPOUN ; o 4. IMPOUNDMENT VOLUME AND SURFACE ARE EXPECTED TO DECREASE OVER TIME AS SEDIMENT IS w (ESTIMATEDP,1 NTS, `CONOyi'E,RM VIABLY') SPAWNING HABITAiJ /�'' , ( \�CAPTURED BEHIND DIVERSION STRUCTURE. (n O r1 �STIMATED S MEN'T SCOUR'ZONE'ARQUND-FLUSH -- II "� ___ _ _ _, DESIGN FLOOD ELEVATION (DFE) u N {- GATE. (5 DESIGN DA"lA;'SUMMARY AT 4/R-1)/' , -- 1. DFE IS 404.6 FEET, CORRESPONDING TO DESIGN FLOOD OF 4,719 CFS. EXPECTED RECURRANCE Ld LL Z INTERVAL FOR DESIGN FLOOD IS 100 YEARS. Q 2. INITIAL IMPOUNDMENT SURFACE AREA AT DFE IS 2.73 ACRES. w 3. INITIAL IMPOUNDMENT VOLUME AT DFE IS 12.5 ACRE-FEET. O (n ZO LL / 4. MAIN CHANNEL BACKWATER AT OFE IS APPROXIMATELY 300 FEET UPSTREAM. Z o 5. IMPOUNDMENT VOLUME AND SURFACE ARE EXPECTED TO DECREASE OVER TIME AS SEDIMENT IS O Z \ CAPTURED BEHIND DIVERSION STRUCTURE. O Z p p V% V IMPOUNDMENT SEDIMENTATION MANAGEMENT IL O O •' I �,' ° / \ 1. SEDIMENT WILL FORM DELTA AT TOP OF IMPOUNDMENT. TOPSET SLOPE ESTIMATED AT -2.5% PER til NATURAL DELTA SLOPE BELOW RM 1.75 AND USSR METHODS. Z Of F 2. RATE OF DELTA FORMATION WILL DEPEND ON BEDLOAD TRANSPORT RATES. O p / I - 3. UNMANAGED STEADY-STATE DELTA SLOPE IS -0.77 (SEDIMENT FILLS TO MAIN SPILLWAY CREST). C.� w 0. 4. FLUSH GATE OPERATION WILL SCOUR OUT SEDIMENT IN IMMEDIATE GATE VICINITY. FORESET SLOPE OF - L1_ o w SCOUR ZONE IS ESTIMATED AT 6x TOPSET SLOPE = 15%. INTERSECTION OF TOPSET AND FORESET SLOPES (n w IS -30 FT. UPSTREAM OF FLUSH GATE. LLJ 5. FLUSH GATE WILL BE OPERATED DURING PERIODS OF HIGH FLOW FROM JUNE 15 TO AUGUST 1 OR AS u Q FAWNING \S(TE 4 ,, ;' _ _;" \ OTHERWISE INDICATED IN APPROVED 0&M PLAN FOR DOWNSTREAM RECRUITMENT OF SEDIMENT. O U (SEE_ NOTCy``,1) _ 6. FLUSH GATE MAY BE MANUALLY OPERATED AUGUST 7 TO JUNE 15 ONLY AS REQUIRED TO MAINTAIN rn m SEDIMENT FREE ZONE AT ENTRANCE TO FISHPASS AND INTAKE FOREBAY. SPAWNING HABITAT SUMMARY T) W 1. ORIGINAL SPAWNING HABITAT (SPAWNING SITE 4) ESTIMATED AREA: 2,100 SQ FL Lo 2. SPAWNING S1TE 4 AREA BURIED UNDER DIVERSION STRUCTURE: -500 SQ FT 3. POST -CONSTRUCTION SPAWNING HABITAT 1n LL WING AI ,'-'L' - I)'.`__''' _ _ , AREA INUNDATED AT MIN. NOP (LONG-TERM SEDIMENT SURFACE): 20,500 SO FT V DIKE/�, LESS AREA OF FLUSH GATE SCOUR ZONE (NOTE 1): -1,800 SO FT LESS WEST BORROW PIT FLOOR (NOTE 2): -7,800 SQ FT TOTAL LONG-TERM VIABLE POST -CONSTRUCTION SPAWNING HABITAT: 10,900 SO FT NOTES: t 1 \ 1. SCOUR ZONE IS SUBJECT TO SEDIMENT FLUSHING FOR PROJECT OPERATIONS AND IS NOT COUNTED AS J I i VIABLE SPAWNING HABITAT. RAMq IL 2, BORROW PIT FLOOR IS EXCLUDED FROM SPAWNING HABITAT AREA AS BORROW PIT MAY NOT BE FULLY - ' DEVELOPED FOR PROJECT AND FLOOR SUBSTRATE MAY NOT BE SUITABLE HABITAT. WORKP q'# J I : , CONC E OWWWERSION ` \ � J--' ,m h S UCTURE _'Y WINGt{'AL' L DIX ol OXi M '0F' 'PROXIMATE LIMIT OF -- po , \'„'`,\ 0 `- i , , CREEK F ENY: PLAIN JJJ CREEK FLOOD PLAIN Do/` ,���$`, / 1 DIVERSION STRUCTURE IMPOUNDMENT'- PLAN VIEW o w w SHEET NOTES SCALE: 1 INCH = 40 FEET , „® 4 SCALE: NTS x 0 o w w WA L TOP 406.0' 2 a a DFE 404.6' a w w n FLUSH GATE OPENING a o ¢ ¢ SILL EL: 397.0' 3� 3 3 W 6E w E: J MAIN SPILLWAY 4n �U HI NOP 400.6' EL: 399.50 aw a a 0� 0 a az __Q________ m" m mi1 FQ FQ iw ____________ E o z i „°'1 'p' m z m m z o x _ - _HYDRD-TNTAKE- - i_DLO N(�P 398.3' - - - _ _ _ _ 'm nm OJ + ti + H oz FORE OPENING 397' i Z I, 2 j ESTIMATE LONG-TERM SEDIMENTS RFACE 9¢ oL 9� om SILL EL: 395.5' SEDIMENT SURFACE AT T o w Q p O F p O WITHIN DIVERSION IMPOUNDMENT. Q 00 F a o h EL 394 �SEj SLOPE. 0 z (2.5% TO SET SLOPE STARTING AT HI NOP) m W 0=N mo fin_ m_z - _ --- _ SEDIMENT SURFACE AT 30% aoD FORESET SLOPE _ _______________ ------------------------- _______ - FLUSH GATE SEDIMENT SURFACE AT 15% OGI EXISTING C K THA W G _ _. ______...__.... - FORESET SLOPE ` L,z CREEK PROFILE THROUGH DIVERSION SITE SCALE: 1 INCH = 20 FEET (_,1 ESTIMATED SEDIMENT PROFILE AT FLUSH GATE `' SCALE INCH = 4 FEET DAZE: s(s/zo;o DESICNEO: J� D6AWN: j CHECKEDFILE Sheet DFR -1