UPPER SPRING CREEK RESERVOIR UPPER SPRING CREEK DAM MODIFICATIONS WATER DIVISION 6 - WATER DISTRICT 58 ROUTT COUNTY, COLORADO FOR THE CITY OF STEAMBOAT SPRINGS UPPER SPRING CREEK RESERVOIR BY Water Division 6, Water District 58 Dam ID: 580304 W. W. WHEELER AND ASSOCIATES, INC Routt County, Colorado ENGLEWOOD, COLORADO I hereby declare that these plans for the UPPER SPRING CREEK DAM MODIFICATIONS were prepared under my direct supervision. RESPONSIBLE DESIGN ENGINEER: W. W. Wheeler & Associates, Inc. ______________________________ Colo. PE No. 44433 Danielle T. Hannes, P.E. STATE ENGINEER APPROVAL: Approved on the _____ day of _______________, 201__. PROJECT ________________________________________ LOCATION State Engineer By: _____________________________________ These plans represent the AS-CONSTRUCTED conditions of the UPPER SPRING CREEK DAM MODIFICATIONS to the best of my knowledge and judgment, based in part on information furnished by others as of the _____ day of _______________, 201__. ______________________________ Colo. PE No. 44433 Danielle T. Hannes, P.E. PROJECT VICINITY PROJECT LOCATION C-#### Client No. Date Made Checked Remarks THIS DRAWING TOGETHER WITH ITS PARENT ELECTRONIC MEDIA W. W. WHEELER UPPER SPRING CREEK RESERVOIR THE CITY OF STEAMBOAT SPRINGS 12/14/17 SAA DTH FOR SEO REVIEW FILE IS THE PROPERTY OF W. W. WHEELER & ASSOCIATES, UNLESS Design Wheeler No. 0 DTH PRELIMINARY ONLY OTHERWISE EXCEPTED, OR SUPERSEDED BY WRITTEN AGREEMENT & ASSOCIATES, INC UPPER SPRING CREEK DAM MODIFICATIONS WITH THE CLIENT LISTED IN THE TITLE BLOCK. IT IS FURNISHED Drawn 1507.09.01 NOT FOR SAA Sheet No. ON THE EXPRESS CONDITION THAT IT SHALL NOT BE REPRODUCED, COVER SHEET Water Resources Engineers Check CONSTRUCTION COPIED, NOR USED FOR ANY OTHER PURPOSE THAN FOR WHICH IT SMM 1 of 7 IS SPECIFICALLY FURNISHED WITHOUT THE PRIOR WRITTEN 3700 S. Inca Street | Englewood, CO 80110-3405 Plot Date Drawing No. Revisions CONSENT OF SAID W. W. WHEELER & ASSOCIATES. 303-761-4130 | fax 303-761-2802 0 R:\1500\1507\1507.09\CAD\IFR\SheetFiles\15070901.001 12-14-17 08:27am scott XREFS: Wheeler24x36 12/14/2017 G1 UPPER SPRING CREEK RESERVOIR DRAWING INDEX STORAGE DATA ELEVATION STORAGE SHEET NO. DRAWING NO. DRAWING TITLE 1 G1 COVER SHEET (ft) (acre-ft) 2 G2 DRAWING INDEX AND CAPACITY CURVES 6938.2 0.00 3 G3 OVERALL SITE PLAN 6947.0 0.00 6948.0 0.18 4 C1 DAM MODIFICATIONS PLAN 6949.0 0.45 5 C2 EMBANKMENT PROFILE AND SECTION 6950.0 0.81 6 C3 EMBANKMENT CROSS-SECTION AND DETAILS 6951.0 1.29 7 C4 SPILLWAY PROFILE AND DETAILS 6952.0 1.91 6953.0 2.66 6954.0 3.60 6955.0 4.70 6956.0 5.93 6957.0 7.25 6958.0 8.66 ELEVATION 6959.0 10.19 6960.0 11.93 SPILLWAY DISCHARGE RATING DATA COMBINED ELEVATION NEW SPILLWAY EXISTING SPILLWAY SPILLWAY (ft) DISCHARGE (CFS) DISCHARGE (CFS) DISCHARGE (CFS) 6950.0 0.0 0.0 0.0 6951.0 84.0 84.0 0.0 6952.0 237.6 237.6 0.0 6953.0 463.8 436.5 27.3 6954.0 749.2 672.0 77.2 6955.0 1081.0 939.1 141.9 6956.0 1452.9 1234.5 218.4 6957.0 1860.9 1555.7 305.2 6958.0 2301.9 1900.7 401.2 6959.0 2773.6 2268.0 505.6 6960.0 3274.0 2656.3 617.7 ELEVATION C-#### Client No. Date Made Checked Remarks THIS DRAWING TOGETHER WITH ITS PARENT ELECTRONIC MEDIA W. W. WHEELER UPPER SPRING CREEK RESERVOIR THE CITY OF STEAMBOAT SPRINGS 12/14/17 SAA DTH FOR SEO REVIEW FILE IS THE PROPERTY OF W. W. WHEELER & ASSOCIATES, UNLESS Design Wheeler No. 0 DTH PRELIMINARY ONLY OTHERWISE EXCEPTED, OR SUPERSEDED BY WRITTEN AGREEMENT & ASSOCIATES, INC UPPER SPRING CREEK DAM MODIFICATIONS WITH THE CLIENT LISTED IN THE TITLE BLOCK. IT IS FURNISHED Drawn 1507.09.01 NOT FOR SAA Sheet No. ON THE EXPRESS CONDITION THAT IT SHALL NOT BE REPRODUCED, DRAWING INDEX AND CAPACITY CURVES Water Resources Engineers Check CONSTRUCTION COPIED, NOR USED FOR ANY OTHER PURPOSE THAN FOR WHICH IT SMM 2 of 7 IS SPECIFICALLY FURNISHED WITHOUT THE PRIOR WRITTEN 3700 S. Inca Street | Englewood, CO 80110-3405 Plot Date Drawing No. Revisions CONSENT OF SAID W. W. WHEELER & ASSOCIATES. 303-761-4130 | fax 303-761-2802 0 R:\1500\1507\1507.09\CAD\IFR\SheetFiles\15070901.001 12-14-17 08:28am scott XREFS: Wheeler24x36 12/14/2017 G2 7075 7070 7065 7060 7055 7050 7045 7040 7035 7030 BYPASS 7025 SPOIL AREA FOR CHANNEL 7020 EXCESS BYPASS CHANNEL 7015 DIVERSION EMBANKMENT 7010 WOOD FOOT BRIDGE SOIL 15" DIA. WOOD 7005 7000 STAVE PIPE PICNIC (EXISTING) 6995 SHELTER SEE DWG. C1 FOR DETAILS 6990 PRIMARY 6985 CONSTRUCTION 6980 GRAVEL TRAIL PARKING AREA ACCESS 6975 6970 (EXISTING) 6965 6960 6960 0+00 6940 6960 X 6960 6945 VALVE6945 6955 6950 6950 69556955 6960 6938.16' 6960 X 6960 LOWER POND INV VALVE14" PIPE LOWER SPRING CREEK DAM 0+506960 POSSIBLE SPOIL 69556955 (BREACHED IN 2000) X 6950 AREA FOR EXCESS 6955 6935 6960 6955 EMBANKMENT SOIL 6950 X 6940 1+50S 0+75WX 1+00 1+25S PROPOSED 1+00S 6945 0+50W 6940 X NORMAL WSEL WETLANDS 6945 6950 69450+75S 6955 X 6960 0+25W 6950 6965 6950 0+50S 6950 6970 1+50 EXISTING 6975 0+25S 6980 69550+00W NORMAL WSEL SPRING CREEK 6985 6955 6990 0+00S 6995 7000 2+00 -0+25S MAPPED WETLAND EXTENTS 7005 EXISTING (PRELIMINARY 2017) 6960 7010 SPILLWAY 7015 6965 7020 7025 7030 6970 7035 7040 6975 7045 7050 DIRT FOOT PATH 7055 6980 7060 (EXISTING) 7065 6985 7070 7075 6990 7080 6995 7000 NOTES: 1. THE 1-FOOT CONTOURS LOCATED NEAR THE DAM AND RESERVOIR WERE PROVIDED BY LANDMARK CONSULTANTS, INC. THIS MAP DOES NOT REPRESENT A MONUMENTED LAND SURVEY. 2. SITE BENCHMARK: CONTROL POINT #100, A NO.5 REBAR LOCATED 100 FEET± SOUTHWEST OF THE PICNIC SHELTER AT LOWER SPRING CREEK RESERVOIR AT THE FRONT OF THE HANDICAPPED PARKING AREA, HAVING A NAVD88 ELEVATION OF 6931.99'. 3. BURIED UTILITIES AND/OR PIPE LINES ARE SHOWN PER VISIBLE SURFACE EVIDENCE OR AS-BUILT DRAWINGS OF THE CONSTRUCTED UTILITY LINES. CONTRACTOR IS RESPONSIBLE FOR UTILITY LOCATES PRIOR TO EXCAVATION. 4. THE TOPOGRAPHIC SURVEY WAS PERFORMED WHEN UPPER SPRING CREEK RESERVOIR WAS DRAINED (OCTOBER 23, 2015). 5. THE WETLAND SURVEY OF THE RESERVOIR WAS PERFORMED ON MAY 11, 2017 BY WESTERN BIONOMICS, LLC. WETLAND FLAGS WERE SURVEYED BY LANDMARK. THE LOWER LIMITS OF THE WETLANDS WERE CONFIRMED IN A SEPTEMBER 11, 2017 SITE VISIT BY WESTERN BIONOMICS, LLC. 0 20 40 80 120 6. NO DISTURBANCE OF WETLANDS IS ALLOWED, EXCEPT WITHIN THE DESIGNATED LIMITS OF Scale in Feet DISTURBANCE SHOWN ON DRAWING C1. Client No. Date Made Checked Remarks THIS DRAWING TOGETHER WITH ITS PARENT ELECTRONIC MEDIA W. W. WHEELER UPPER SPRING CREEK RESERVOIR THE CITY OF STEAMBOAT SPRINGS 12/14/17 SAA DTH FOR SEO REVIEW FILE IS THE PROPERTY OF W. W. WHEELER & ASSOCIATES, UNLESS Design Wheeler No. 0 DTH PRELIMINARY ONLY OTHERWISE EXCEPTED, OR SUPERSEDED BY WRITTEN AGREEMENT & ASSOCIATES, INC UPPER SPRING CREEK DAM MODIFICATIONS WITH THE CLIENT LISTED IN THE TITLE BLOCK. IT IS FURNISHED Drawn 1507.09.01 NOT FOR SAA Sheet No. ON THE EXPRESS CONDITION THAT IT SHALL NOT BE REPRODUCED, OVERALL SITE PLAN Water Resources Engineers Check CONSTRUCTION COPIED, NOR USED FOR ANY OTHER PURPOSE THAN FOR WHICH IT SMM 3 of 7 IS SPECIFICALLY FURNISHED WITHOUT THE PRIOR WRITTEN 3700 S. Inca Street | Englewood, CO 80110-3405 Plot Date Drawing No. Revisions CONSENT OF SAID W. W. WHEELER & ASSOCIATES. 303-761-4130 | fax 303-761-2802 0 R:\1500\1507\1507.09\CAD\IFR\SheetFiles\15070901.002 12-14-17 08:28am scott XREFS: Wheeler24x36 12/14/2017 G3 MAPPED WETLANDS (PRELIMINARY 2017) APPROX. EXTENTS OF 0+00 TOE DRAIN SYSTEM (REF. DET. DWG. C3) GRASS VEGETATIVE SLOPE PROTECTION A ABOVE RIPRAP 6940 C2 X X X 6945 X 6945 X 6950 6950 6955 X EXISTING FENCE VALVE EXISTING OUTLET PIPES 6955 6960 (REMOVE) EXISTING DAM CRESTX APPROX. INV. EL. 6938.16 ℄ 6960 (TO HAVE FILTER COLLARS INSTALLED 2.5H:1V 6960 APPROX. LOCATION OF X AND FILL PIPE W/ GROUT) TOE DRAIN PIPE 6938.16' INV 14" PIPE X VALVE 6960 0+50 6955 X 6955 RIPRAP EXISTING NORMAL WSEL X 2H:1V X 6950 TO EXISTING X STREAM CHANNEL 6935 X X 6960 X 1+50S X PROPOSED NORMAL WSEL 6955 X 6940 X 6950 1+25S 3H:1V X X 1+00S 1+00X X 0+75W 12" DIA. OUTLET X APPROX. LOCATION OF 0+75S PIPE INTAKE EL. 6942.81 6945 X X X 6940 S=12% X 6945 X 6945 0+50S 0+50W 6950 X 6950 X 6955 X 6950 12" DIA. OUTLET OUTLET CHANNEL 6960 X GATE (EL. 6947) 0+25S 30' X SPILLWAY 6965 6950 1+50 X CONTROL WALL RIPRAP WILL BE USED AS X 0+25W 6970 REQUIRED IF BEDROCK IS 3H:1V NOT PRESENT STATION COORDINATES 6975 EXISTING SPILLWAY 0+00S STATION NORTHING EASTING ELEVATION ℄ SPILLWAY CHANNEL 6955 6980 (REF. PROFILE DWG. C4) EMBANKMENT 0+00 1,423,752.20 2,636,396.69 6,960.0 6985 1,423,702.97 2,636,387.96 6,960.0 0+00W 0+50 -0+25S 1+00 1,423,653.74 2,636,379.23 6,953.3 RIPRAP 6990 ℄ DAM CREST 1+50 1,423,604.50 2,636,370.49 6,947.8 (REF. PROFILE DWG. C2) 2+00 1,423,555.27 2,636,361.76 6,973.2 6995 SPILLWAY EXISTING SPILLWAY CONCRETE 2+00 1,423,618.58 2,636,411.89 6,950.0 PEDESTRIAN BRIDGE 0+00 S (DEMOLISH AND REMOVED) 0+50 S 1,423,622.81 2,636,362.07 6,945.8 1+00 S 1,423,622.05 2,636,312.47 6,939.8 0 5 10 20 30 Scale in Feet 1+50 S 1,423,610.82 2,636,263.75 6,933.0 Client No.