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HomeMy WebLinkAboutSite Certifications - 08/20/2020 April 22, 2020 Dan Mogen City of Fort Collins 700 Wood Street Fort Collins, CO 80522 RE: Permit: B1800694 – Union on Elizabeth Fort Collins, Colorado Dear Mr. Mogen: This Overall Site and Drainage Certification Letter is provided to verify as-constructed conditions for Union on Elizabeth. Northern Engineering completed survey work March 27, 2020, to verify general compliance with the Final Utility Plans for Union on Elizabeth, dated March 9, 2018, and the Minor Amendment dated September 28, 2018, by Northern Engineering. Included in this drainage certification submittal are the following: Appendix A - City of Fort Collins Overall Site and Drainage Certification Form. Appendix B - City of Fort Collins During Construction Inspection Checklist and photographs provided by contractor. Appendix C - As-constructed sand filter and detention vault calculations. As-constructed isolator rows weirs exhibit. Appendix D - As-constructed record drawings for Grading and Storm Drain Plan and Profile Sheets. Appendix E - Documents provided to the Colorado State Drain Portal website. We have concluded, based on the attached information and personal site inspection, that the drainage features for the project site have been constructed in substantial compliance with the above referenced Final Utility Plans, with the following exceptions: · Item I.A.2: Water quality and detention for this project is provided by an internal vault with vertical walls. Proposed and as-built contours will be unreadable on the record drawings. Instead, the record drawings show as-built depth and elevations of the sand filter and detention vaults. · Item I.B.2: Vault is concrete with vertical walls. · Item I.B.3.d: Spillway is defined by curb on north side of detention vault. · Item I.B.3.e: Spillway path is north along concrete drive aisle in parking garage. · Item I.B.4.c: Water quality in vault is being provided by sand filter. · Item I.B.4.g: Outlet structure grate is not hinged and bolted per City detail. Grate is bolted on at four corners of the grate. · Item II.A: The only major drainage channel on the site utilizes the alley on the west side of the property. The alley was modified during construction, increasing its width, and as a result greatly increasing the original design’s capacity. · Item III.A.2: Storm pipes adjacent to the chamber system were designed with slopes <0.4% and will operate as designed · Item III.B.3: Northern Engineering did not observe construction. Northern Engineering was unable to verify the joint types or construction methods used for the storm drain pipes. · Item IV.A: The location of the concrete pan on the northeast corner and east side of the site was adjusted due to the installation of a block retaining wall to account for the elevation difference with the property to the north. Drainage will still flow as intended. · Item IX.A.5: The concrete bottom of the planter on the east building leading to the sidewalk chase discharging onto Elizabeth Street was constructed flatter than intended and was holding water. Contractor has adjusted grades in the planter to eliminate standing water and will monitor performance to see if additional corrective measures are needed. · Item XIII.C The weirs for the chamber system are slightly lower than the design elevations shown in the plans. The design called for the weirs to be the height of the chambers (12 inches). Due to the inverts of the chambers being slightly lower than design as well, the result is a deficiency of 0.2’ at most in these weirs. Included with this certification is an exhibit showing the approximated worst-case water quality volume lost for each isolator row due to the weir height deficiency. Through this analysis, it was determined that neglecting the chamber’s irregular shape, the overall system was handling approximately 92.5% of the design volume, though considering the chamber’s shape the actual efficiency is over 96% and the chambers will still perform as intended. Please feel free to contact me with any questions you may have. Northern Engineering Services, Inc. Benjamin Ruch, PE Project Engineer Appendix A Overall Site and Drainage Certification Form Appendix B During Construction Inspection Checklist Appendix C Water Quality Capture Volume Project: Union on Elizabeth Basin Description: Vault AB-Stage Storage Contour Contour Depth Incremental Cumulative Incremental Cumulative Elevation Area (ft) Volume Volume Volume Volume (sq. ft) Avg. End Avg. End Conic Conic (cu. ft) (cu. ft) (cu. ft) (cu. ft) 5,028.581 0.03 N/A N/A 0.00 N/A 0.00 5,028.600 10.60 0.019 0.10 0.10 0.07 0.07 5,028.800 311.39 0.200 32.20 32.30 25.30 25.37 5,029.000 311.82 0.200 62.32 94.62 62.32 87.69 5,029.200 312.25 0.200 62.41 157.03 62.41 150.09 5,029.400 312.67 0.200 62.49 219.52 62.49 212.59 5,029.600 313.10 0.200 62.58 282.10 62.58 275.16 5,029.800 313.53 0.200 62.66 344.76 62.66 337.83 5,030.000 313.96 0.200 62.75 407.51 62.75 400.58 5,030.200 314.39 0.200 62.84 470.35 62.84 463.41 5,030.400 314.82 0.200 62.92 533.27 62.92 526.33 5,030.600 315.25 0.200 63.01 596.27 63.01 589.34 5,030.800 315.68 0.200 63.09 659.37 63.09 652.43 5,031.000 316.11 0.200 63.18 722.55 63.18 715.61 5,031.200 316.54 0.200 63.27 785.81 63.27 778.88 5,031.400 316.97 0.200 63.35 849.17 63.35 842.23 5,031.600 317.40 0.200 63.44 912.60 63.44 905.67 5,031.800 317.83 0.200 63.52 976.13 63.52 969.19 5,032.000 1,276.87 0.200 159.47 1135.60 148.78 1117.98 5,032.200 1,277.73 0.200 255.46 1391.06 255.46 1373.44 5,032.400 1,278.58 0.200 255.63 1646.69 255.63 1629.07 5,032.600 1,279.43 0.200 255.80 1902.49 255.80 1884.87 5,032.800 1,280.28 0.200 255.97 2158.46 255.97 2140.84 5,033.000 1,281.13 0.200 256.14 2414.60 256.14 2396.98 5,033.200 1,281.98 0.200 256.31 2670.91 256.31 2653.29 5,033.400 1,282.83 0.200 256.48 2927.39 256.48 2909.77 5,033.600 1,283.68 0.200 256.65 3184.04 256.65 3166.42 5,033.630 1,283.81 0.030 38.51 3222.56 38.51 3204.94 2.08' (25") 1' (12") CHAMBER PEAK FULL SECTION = 1.16 SF PEAK 98.3% FULL = 1.14 SF SECTION 1-1 (@ PEAK OF CHAMBER) SECTION @ BASIN A11A-1 SECTION @ BASIN A15-3SECTION @ BASIN A14 INV = 5028.48 WEIR = 5029.39 INV = 5028.59 WEIR = 5029.36 INV = 5028.32 WEIR = 5029.12 SC-160LP CHAMBER SIDE SC-160LP CHAMBER PLAN1 1 CHAMBER VALLEY CHAMBER PEAK CHAMBER VALLEY FULL SECTION = 0.78 SF 1.64' 0.91' 0.77'0.8' ELEVATION DIFFERENCE IN VALLEY = 0.15' (1.8") VALLEY 100% FULL = 0.78 SF OVERALL = 99.15% FULL PEAK 89.7% FULL = 1.04 SF VALLEY 98.7 % FULL = 0.77 SF PEAK 91.4% FULL = 1.06 SF VALLEY 99.7% FULL = 0.778 SF OVERALL = 94.20% FULL OVERALL = 95.55% FULL OVERALL COMBINED = 96.3% FULL AS-BUILT WEIR ELEVATION AFFECT ON CHAMBER VOLUME FORT COLLINS, CO E N G I N E E R N GI EHTRON R N 4.22.20 D:\PROJECTS\1252-005\DRAINAGE\DRNGCERT\SITE CERTIFICATION\WEIR VOLUME EXHIBIT.DWG UNION ON ELIZABETH Appendix D Record Drawings VAULT ELEC VAULT TELE VAULT ELEC VAULT ELEC VAULT ELEC S WVHYD VAULT F.O. FO T T CABLE CTV T E XXXX X E E E E E E E SS SS SS SS SS SS SS SS X X X X X X X X X X X X X X E E E E E E E E E E E E E E E E W W G G E E E E E E E E E E E E E E TTT T T T T T T T E C W W W W W W W W W W W W W W W W W D G S X TF X W W W W W W W W SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR UP UP DN FD C TFTF TFTF TFTF TFTF FD C WEST ELIZABETH STREET (80' ROW) PROPOSED 2' SIDEWALK CULVERT PROPOSED 4' CONCRETE PAN TIE PAN TO EXISTING FLOWLINE PROPOSED 4' CONCRETE PAN PROPOSED 2' CONCRETE PAN PROPOSED 2' CONCRETE PAN EXISTING 8" CLAY SANITARY SEWER APPROXIMATE LOCATION EXISTING 8" CLAY SANITARY SEWER APPROXIMATE LOCATION EXISTING 8" WATER APPROXIMATE LOCATION EXISTING 14" CSU IRRIGATION EXISTING FH EXISTING SIDEWALK CHASE EXISTING FLOW LINE SECTION LINE EXISTING MANHOLE RIM TO BE ADJUSTED EXISTING 24" RCP STORM DRAIN PROPOSED 3" RESIDENTIAL WATER SERVICE 90° BEND A13 INV.=5028.56 FG=5031.37 START CHAMBER A12 INV.=5028.55 FG=5031.37 LOT 3, CAMPUS WEST SHOPPING CENTER COLLINS CAMPUS WEST LLC 1110 W ELIZABETH ST LOT 1, CAMPUS WEST SHOPPING CENTER NCIC LLC 1232 W ELIZABETH ST TOWN SQUARE CONDOMINIUMS LOKAL FORT COLLINS CO LLC 1201 W PLUM ST CAMBRIDGE HOUSE LOFTS BRIDGE-CAMBRIDGE LP 1113 W PLUM ST LOT 1, SOUTH SHIELDS SUBDIVISION 825 S SHIELDS LLC 825 S SHIELDS ST EXISTING TRANSFORMER PROPOSED TRANSFORMERS N:126824.52 E:188773.78 N:126817.51 E:189133.38 N:126540.47 E:189130.90 N:126545.83 E:188770.94 PROPOSED RELOCATED UTILITIES PROPOSED TRENCH DRAIN A (SEE DETAIL) PROPOSED RELOCATED UTILITIES PROPOSED RELOCATED UTILITIES PROPOSED TRENCH DRAIN B (SEE DETAIL) VA U L T A R E A EXMH INV. IN=5025.68 (W) INV. IN=5025.88 (N) INV. OUT=5025.68 (E) FG=5028.13 SSMH INV. IN=5025.22 (W) INV. IN=5025.42 (N) INV. OUT=5025.22 (E) FG=5028.48 RES SSERV 1 INV.=5026.20 PROPOSED 6' UTILITY EASEMENT 9' UTILITY EASEMENT PROPOSED 12' UTILITY EASEMENT UTILITY EASEMENT PROPOSED 8" FIRE SERVICE CONNECT TO EXISTING 8" WATER MAIN 8"x8" TAPPING SADDLE w/ 8" GV (N), & TB N:126487.52 E:188786.35 89 . 4 9 L F 8 " P V C N0 0 ° 3 4 ' 5 8 " E 12 2 . 7 9 L F 8 " P V C N0 0 ° 3 5 ' 0 0 " E 8"x8" TEE w/ TB, 8"x6" REDUCER (N), & 8" GV (E) N:126724.41 E:188788.76 PROPOSED 1.5" COMMERCIAL WATER SERVICE PROPOSED 1.5" WATER METER PROPOSED 3" WATER METER EXISTING SSMH PROPOSED SAWCUT PROPOSED SAWCUT PROPOSED SAWCUT PROPOSED SAWCUT PROPOSED SAWCUT PROPOSED SAWCUT N:126573.94 E:188805.83 N:126779.19 E:188805.45 N:126807.23 E:188864.57 N:126808.56 E:188911.48 N:126805.20 E:189118.78 N:126569.29 E:189093.34 SA N D F I L T E R A R E A N:126716.47 E:188805.22 N:126716.27 E:188907.98 PROPOSED 4' CONCRETE PAN POTENTIAL CROSSING CONFLICT (CONTRACTOR TO VERIFY LOCATION PRIOR TO CONSTRUCTION) RES SERV 2 INV.=5025.74 SSERV CONNECTION CUT IN TEE INV.=5025.19 FG=5028.45 PROPOSED 2' SIDEWALK CHASE PROPOSED 2' SIDEWALK CHASE PROPOSED TRENCH DRAIN C (SEE DETAIL) BASIN A8-1 (SOLID COVER) INV.=5028.49 FG=5030.90 POND OUTLET A8-2 INV.=5028.53 FG=5028.53 BASIN A10 (SOLID COVER) w/ ORIFICE CAP INV. IN=5028.22 (N) INV. OUT=5028.12 (E) FG=5030.72 COM SSERV 1 INV.=5026.09 COM SSERV 2 INV.=5026.36 90° BEND w/ TB, 6" GV (E), & FH ASSEMBLY N:126774.95 E:188789.27 50 . 5 4 L F 6 " P V C N0 0 ° 3 4 ' 5 9 " E 8"x4" TEE w/ TB 4" GV (E) & 4"x3" RED. N:126699.80 E:188788.51 PROPOSED 2' CONCRETE PAN 8' UTILITY & DRAINAGE EASEMENT PIPE END A17 w/ CONCRETE COLLAR INV.=5029.15 FG=5029.15 PROPOSED 2' CURB CUT SD ECCENTRIC CONNECTION A9 INV.=5028.11 FG=5030.74 SD CO A9-1 INV.=5028.34 FG=5031.27 BASIN A14 (SOLID COVER) INV.=5028.59 FG=5031.25 CO BASIN A15-3 (SOLID COVER) w/ WEIR INV.=5028.44 FG=5031.15 END CHAMBER A11 INV.=5028.23 FG=5030.75 45° BEND A7 INV.=5028.04 FG=5030.70 BASIN A8 (SOLID COVER) INV.=5028.10 FG=5030.74 BEGIN ISO CHAMBER A15-4 INV.=5028.43 BASIN A15 (SOLID COVER) INV.=5028.63 INV.=5028.63 FG=5031.23 CLEANOUT 1 (SOLID COVER) INV.=5028.54 CLEANOUT 2 (SOLID COVER) INV.=5028.74 100-YR FLOODPLAIN (PER CSU CLOMR) 100-YR FLOODWAY (PER CSU CLOMR) 100-YR FLOODPLAIN (PER CSU CLOMR) VAULT ACCESS RAMP CORE DRILL AND GROUT MODIFICATION OF MH BENCH TO BE COORDINATED WITH CITY INSPECTOR 24 . 6 1 L F 8 " P V C N0 0 ° 3 4 ' 5 9 " E 14.03 LF 3" PVC W.S. 19.70 LF 3" PVC W.S. CLEANOUT A8-1 INV.=5028.79 FG=5031.67 RD CO 4 INV.=5028.87 FG=5030.77 TEE 3 INV.=5028.74 FG=5030.88 RD CONNECTION 3-1 INV.=5028.78 FG=5030.92 TEE 2 INV.=5028.55 FG=5031.20 RD CONNECTION 2-1 INV.=5028.56 FG=5031.23 END ISO CHAMBER A15-2 INV.=5028.45 FG=5031.16 RD BASIN 1 (SOLID COVER) INV.=5028.48 FG=5031.24 RD CO 1A INV.=5028.59 FG=5031.33 RD CONNECTION 1-1 INV.=5028.51 FG=5031.29 INSERTA-TEE A16 INV.=5028.74 FG=5031.32 RD BASIN A16-1 (SOLID COVER) INV.=5028.91 FG=5031.34 RD CONNECTION A16-2 INV.=5029.03 FG=5031.17 22.74 LF 8" PVC S89°25'01"E INSTALL 1.5" SERVICE N:126577.01 E:188787.26 20' UTILITY, DRAINAGE, ACCESS, & EMERGENCY ACCESS EASEMENT 20' UTILITY, DRAINAGE, ACCESS, & EMERGENCY ACCESS EASEMENT PROPOSED PRIVATE ACCESS & EMERGENCY ACCESS EASEMENT END ISO CHAMBER A15-5 INV.=5028.29 SEE NOTES #12 & #13 8' EMERGENCY OVERFLOW WEIR ACCESS GATE 10' UTILITY EASEMENT INSPECTION PORT INSPECTION PORT INSPECTION PORT PROPOSED 2' CURB CUT S SS SS SS SS SS SS SS HYD W W W S S S CS SS SS SS SS SS SS SS SS ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST ST H2O METER SD UD UD UD UD UD START ISO CHAMBER A15-1 INV.=5028.62 FG=5031.21 63.17 LF 8" PVC @ 0.50% 52.91 LF 6" PVC @ 1.00% 63.06 LF 8" PVC @ 0.50% 5.23 LF 15" HDPE @ 0.75% 4.25 LF 12" HDPE @ 0.20% 27.79 LF 15" HDPE @ 0.20% 4.38 LF 15" HDPE @ 0.20% 111.00 LF 6" PERF. HDPE @ 0.20% 31.76 LF 12" HDPE @ 1.30% 6.22 LF 8" HDPE @ 0.50% ST O R M T E C H C H A M B E R @ 0 . 2 0 % 7.74 LF 15" HDPE @ 0.20% 3.36 LF 8" HDPE @ 0.42% 3.56 LF 8" HDPE @ 0.20% 6.25 LF 8" HDPE @ 0.50% 3.36 LF 8" HDPE @ 0.30% 3.17 LF 4" HDPE @ 0.50% 39.41 LF 4" PERF. HDPE @ 0.50% 27.03 LF 8" HDPE @ 0.50% 9.68 LF 6" HDPE @ 0.50% 39.16 LF 8" HDPE @ 0.50% 3.03 LF 6" HDPE @ 0.50% 8.89 LF 12" HDPE @ 0.50% 5.63 LF 6" HDPE @ 0.50% 21.67 LF 4" HDPE @ 0.50% 8.65 LF 12" HDPE @ 1.30% 6.22 LF 6" HDPE @ 0.50% 20.04 LF 6" HDPE @ 0.50% 3.55 LF 8" HDPE @ 0.20% ST O R M T E C H C H A M B E R @ 0 . 2 0 % 12.94 LF 8" HDPE @ 0.50% 64.72 LF 15" HDPE @ 0.60% POTENTIAL CROSSING CONFLICT (CONTRACTOR TO VERIFY LOCATION PRIOR TO CONSTRUCTION) PROPOSED GREASE INTERCEPTOR (SEE SHEET C301) PROPOSED 2' SIDEWALK CULVERT PROPOSED STORM MANIFOLD (SEE SHEET C301) ST O R M T E C H C H A M B E R S (D R A I N A G E E A S E M E N T ) Sheet UN I O N O N E L I Z A B E T H E N G I N E E R N G I E H T R O N R N FO R T C O L L I N S : 3 0 1 N o r t h H o w e s S t r e e t , S u i t e 1 0 0 , 8 0 5 2 1 GR E E L E Y : 8 2 0 8 t h S t r e e t , 8 0 6 3 1 97 0 . 2 2 1 . 4 1 5 8 no r t h e r n e n g i n e e r i n g . c o m of 20 3.9.18 C300 UT I L I T Y P L A N NORTH ( IN FEET ) 1 inch = ft. Feet02020 20 40 60 CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOU DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER UTILITIES. CALL UTILITY NOTIFICATION CENTER OF COLORADO Know what'sbelow. before you dig.Call R 5 NOTES: 1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR ALL UNKNOWN UNDERGROUND UTILITIES. 2.ALL WATER AND SEWER CONSTRUCTION SHALL BE PER THE CITY OF FORT COLLINS STANDARD CONSTRUCTION SPECIFICATIONS LATEST EDITION. 3.ALL WATER FITTINGS AND VALVES ARE ONLY GRAPHICALLY REPRESENTED AND ARE NOT TO SCALE. 4.UTILITY SERVICES ARE SHOWN IN A SCHEMATIC FASHION ONLY. EXACT LOCATIONS SHALL BE PER THE REQUIREMENTS OF THE RESPECTIVE UTILITY PROVIDERS, AND ARE SUBJECT TO CHANGE IN THE FIELD. 5.MAINTAIN 10' HORIZONTAL AND 18" VERTICAL MINIMUM SEPARATION BETWEEN ALL SANITARY SEWER MAINS, WATER MAINS, AND SERVICES. 6.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS, UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION. 7.LIMITS OF STREET CUT ARE APPROXIMATE. FINAL LIMITS ARE TO BE DETERMINED IN THE FIELD BY THE CITY ENGINEERING INSPECTOR. ALL REPAIRS TO BE IN ACCORDANCE WITH CITY STREET REPAIR STANDARDS. 8.ANY DAMAGED CURB, GUTTER AND SIDEWALK EXISTING PRIOR TO CONSTRUCTION, AS WELL AS STREETS, SIDEWALKS, CURBS AND GUTTERS, DESTROYED, DAMAGED OR REMOVED DUE TO CONSTRUCTION OF THIS PROJECT, SHALL BE REPLACED OR RESTORED TO CITY OR FORT COLLINS STANDARDS AT THE DEVELOPER'S EXPENSE PRIOR TO THE ACCEPTANCE OF COMPLETED IMPROVEMENTS AND/OR PRIOR TO THE ISSUANCE OF CERTIFICATE OF OCCUPANCY. 9.REFER TO PLUMBING PLANS FOR ALL WATER SERVICE AND SANITARY SEWER SERVICE LOCATIONS. IF CONFLICT OCCURS, BOTH THE PLUMBING ENGINEER AND CIVIL ENGINEER SHALL BE CONTACTED PRIOR TO INSTALLATION OR ORDERING OF MATERIALS. 10.ALL EXISTING SANITARY SEWER SERVICE CONNECTION INVERTS AND LOCATIONS BASED ON BEST AVAILABLE DATA. CONTRACTOR TO VERIFY LOCATION PRIOR TO CONSTRUCTION AND NOTIFY ENGINEER OF ANY DISCREPANCIES. 11.PIPE LENGTHS ARE CALCULATED FROM THE CENTER OF MANHOLES AND INLET BOX STRUCTURES. SPECIFIED LENGTH OF PIPE INCLUDES THE LAYING LENGTH OF FLARED END SECTIONS. 12.ALL PIPE PENETRATIONS THROUGH CONCRETE WALLS SHALL HAVE WATERTIGHT SEAL. 13.REFER TO STRUCTURAL PLANS FOR CONCRETE WATER-PROOFING TREATMENT REQUIREMENTS IN DETENTION VAULT. 14.CONTRACTOR SHALL BE RESPONSIBLE FOR ANY NECESSARY FIELD LOCATES AND POTHOLING OF SUBSURFACE UTILITIES. ENGINEER AND CITY SHALL BE NOTIFIED OF ANY POTENTIAL CONFLICTS. 15.CONTRACTOR SHALL COORDINATE ANY NECESSARY TELEPHONE, CABLE, FIBER, GAS, AND ELECTRIC LOWERINGS (OR RE-ROUTING) WITH THE RESPECTIVE UTILITY PROVIDERS. 16.CONTRACTOR TO COORDINATE FINAL LOCATION OF ALL GAS AND ELECTRIC METERS WITH ARCHITECT AND UTILITY PROVIDERS. 17.THE PLUMBING CONTRACTOR SHALL TERMINATE UTILITY LATERALS 5' OUTSIDE OF BUILDING UNLESS NOTED OTHERWISE. EXACT LOCATIONS (HORIZONTAL AND VERTICAL) OF ALL UTILITY CONNECTIONS INTO THE PROPOSED BUILDING SHALL BE COORDINATED WITH APPROVED MECHANICAL/PLUMBING DRAWINGS. 18.REFER TO APPROVED SITE ELECTRICAL PLANS FOR ALL CONDUITS AND POWER LINE ROUTING FOR SITE LIGHTING. 19.THE LOCATION OF PROPOSED DRY UTILITIES AS SHOWN ON THIS DRAWING ARE SHOWN FOR HORIZONTAL ALIGNMENTS ONLY AND ARE APPROXIMATE. FINAL DESIGNS OF DRY UTILITIES WILL BE PERFORMED BY THE APPROPRIATE UTILITY COMPANY AND/OR ENGINEER. 20.PHONE, INTERNET AND TELEVISION SERVICE TO BE PROVIDED BY CENTURYLINK, COMCAST, OR OTHERS AT THE OWNER'S DISCRETION. APPLICABLE CONDUITS FOR PROSPECTIVE UTILITY COMPANIES SHALL BE PROVIDED. CONTRACTOR SHALL COORDINATE WITH OWNER AND UTILITY COMPANIES. 21.ALL CONDUIT PLACED BY THE CONTRACTOR FOR CABLE, PHONE AND INTERNET SHALL BE EQUIPPED WITH PULL TAPE AND LOCATE WIRE PER THE SPECIFICATIONS OF EACH UTILITY COMPANY. 22.ELECTRIC SERVICE TO BE PROVIDED BY THE CITY OF FORT COLLINS. THE CITY SHALL INSTALL THE TRANSFORMER AND PRIMARY LINE FROM THE CONNECTION POINT AT THE EXISTING MAIN TO EACH TRANSFORMER. THE COST OF THE PRIMARY LINE, TRANSFORMER, AND INSTALLATION OF THE SECONDARY LINE FROM THE TRANSFORMER TO THE BUILDING SHALL BE THE RESPONSIBILITY OF THE DEVELOPER. 23.ELECTRIC TRANSFORMER PAD SIZE IS APPROXIMATE. COORDINATE FINAL LOCATION AND SIZE OF TRANSFORMER WITH APPROVED ELECTRICAL PLANS. 24.GAS SERVICE TO BE PROVIDED BY XCEL ENERGY. XCEL SHALL INSTALL ALL GAS SERVICES AND METERS. THE COST OF ALL THE SERVICE INSTALLATION SHALL BE THE RESPONSIBILITY OF THE DEVELOPER. 25.CONTRACTOR SHALL COORDINATE OTHER SITE UTILITIES NOT SHOWN ON THESE DRAWINGS; INCLUDING, BUT NOT LIMITED TO, IRRIGATION, PRIVATE SITE ELECTRICAL AND GAS, AND LOW-VOLTAGE/TELECOMMUNICATIONS. TYPICAL INSTALLATION DEPTH OF SAID UTILITIES SHALL BE ADJUSTED, AS NECESSARY, TO AVOID ANY POTENTIAL CONFLICTS WITH THE WATER, FIRE, SANITARY SEWER, AND STORM DRAIN LINES SHOWN ON THESE CIVIL DRAWINGS. 26.A FLOODPLAIN USE PERMIT SHALL BE REQUIRED FOR EACH SITE CONSTRUCTION ELEMENT IN THE FLOODPLAIN, INCLUDING BUILDING. THE FLOODPLAIN USE PERMIT FOR THE BUILDING WILL BE APPROVED AT THE TIME OF BUILDING PERMIT APPLICATION. 27.A FLOODPLAIN USE PERMIT AND NO RISE CERTIFICATION WILL BE REQUIRED PRIOR TO ANY WORK OCCURRING WITHIN THE FLOODWAY. 28.ALL STORMWATER INFRASTRUCTURE IS TO BE PRIVATELY OWNED AND MAINTAINED. 29.REFER TO THE EROSION CONTROL PLAN AND REPORT FOR TEMPORARY CONTROL MEASURES AND CONSTRUCTION SEQUENCING TO PREVENT SEDIMENT LOADING OF THE DRAINAGE FACILITY DURING CONSTRUCTION. EXISTING WATER MAIN LEGEND: W G T CTV EXISTING STORM SEWER EXISTING CABLE EXISTING TELEPHONE EXISTING GAS SPROPOSED SEWER SERVICE EXISTING SANITARY SEWER SS PROPOSED CURB & GUTTER PROPOSED WATER SERVICE PROPOSED FIRE HYDRANT EXISTING FIRE HYDRANT EASEMENT LINE PROPERTY BOUNDARY EXISTING LOTLINE W PROPOSED WATER MAIN PROPOSED SANITARY SEWER PROPOSED STORM SEWER PROPOSED ELECTRIC TRANSFORMER EPROPOSED ELECTRIC PROPOSED FIRE DEPARTMENT CONNECTION FDC PROPOSED FIRE SERVICE F EEXISTING ELECTRIC PROPOSED SUBDRAIN UD CTVPROPOSED CABLE FOPROPOSED FIBRE OPTIC GPROPOSED GAS 100-YR FLOODPLAIN (PER CSU CLOMR) STORMTECH CHAMBER ISOLATOR ROW STORMTECH CHAMBER 100-YR FLOODWAY (PER CSU CLOMR) 1 MI N O R A M E N D M E N T BR R 09 / 2 8 / 1 8 RECORD DRAWING VAULT F.O. FO CABLE CTV T XXXX X X X X X X X X X X X X X X X D UP UP DN TFTF TFTF TFTF TFTF SD UD UD UD UD UD X TF X LOT 3, CAMPUS WEST SHOPPING CENTER COLLINS CAMPUS WEST LLC 1110 W ELIZABETH ST LOT 1, CAMPUS WEST SHOPPING CENTER NCIC LLC 1232 W ELIZABETH ST TOWN SQUARE CONDOMINIUMS LOKAL FORT COLLINS CO LLC 1201 W PLUM ST CAMBRIDGE HOUSE LOFTS BRIDGE-CAMBRIDGE LP 1113 W PLUM ST LOT 1, SOUTH SHIELDS SUBDIVISION 825 S SHIELDS LLC 825 S SHIELDS ST WEST ELIZABETH STREET (80' ROW) N:126824.52 E:188773.78 N:126817.51 E:189133.38 N:126540.47 E:189130.90 N:126545.83 E:188770.94 N:126779.19 E:188805.45 N:126808.56 E:188911.48 N:126805.20 E:189118.78 N:126569.29 E:189093.34 N:126575.06 E:188922.42 N:126602.49 E:188865.31 N:126573.94 E:188805.83 VA U L T A R E A PARKING GARAGE (SEE SHEET C401) SA N D F I L T E R AR E A N:126716.47 E:188805.22 N:126716.27 E:188907.98 N:126807.23 E:188864.57 6' UTILITY EASEMENT 9' UTILITY EASEMENT PROPOSED 12' UTILITY EASEMENT TRASH ENCLOSURE ELECTRICAL EXISTING SIDEWALK CHASE PROPOSED 2' SIDEWALK CULVERT MATCH EXISTING FLOWLINE MATCH EXISTING CURB & GUTTER PROPOSED 31" DRIVE-OVER CURB & GUTTER MATCH EXISTING FLOWLINEMATCH EXISTING FLOWLINE MATCH EXISTING PAVEMENT MATCH EXISTING PAVEMENT TIE TO EXISTING PAN FLOWLINE PROPOSED 2' CONCRETE PAN TIE TO EXISTING WALK TIE TO EXISTING WALK MATCH EXISTING FLOWLINE MATCH EXISTING FLOWLINE EXISTING VERTICAL CURB & GUTTER EXISTING VERTICAL CURB & GUTTER TIE TO EXISTING WALK PROPOSED FLUSH CURB & GUTTER MATCH EXISTING PAVEMENT MATCH EXISTING PAVEMENT TIE TO EXISTING WALK MATCH EXISTING CURB & GUTTER MATCH EXISTING CURB & GUTTER PROPOSED 12" HDPE STORM DRAIN (SEE SHEET C300) (6) - 5" RISERS w/ 12" TREADS (6) - 5.5" RISERS w/ 12" TREADS PROPOSED TRENCH DRAIN B (SEE DETAILS) PROPOSED TRENCH DRAIN A (SEE DETAILS) PROPOSED OUTLET STRUCTURE (SEE DETAIL SHEET C502) FRONT ENTRANCE (SEE SHEET C402) SUBGRADE (SEE SHEET C404) PROPOSED SUBDRAIN (SEE SHEET C300) EXISTING 24" RCP STORM DRAIN PROPOSED 4' CONCRETE PAN PROPOSED 4' CONCRETE PAN PROPOSED 2' CONCRETE PAN PROPOSED 18" INFLOW VERTICAL CURB & GUTTER UTILITY EASEMENT PROPOSED 2' SIDEWALK CULVERT PROPOSED 2' CURB CUT PROPOSED RAMP PROPOSED 18" INFLOW VERTICAL CURB & GUTTER PROPOSED 2' SIDEWALK CHASE PROPOSED 2' SIDEWALK CHASE PROPOSED SAWCUT PROPOSED SAWCUT PROPOSED SAWCUTPROPOSED SAWCUT PROPOSED SAWCUT PROPOSED SAWCUT FRONT ENTRANCE (SEE SHEET C402) PROPOSED TRENCH DRAIN C (SEE DETAILS) PROPOSED STORM DRAIN (SEE SHEET C301) PROPOSED STORM DRAIN (SEE SHEET C301) 8' UTILITY & DRAINAGE EASEMENT PROPOSED 2' CONCRETE PAN MATCH EXISTING CURB & GUTTER MATCH EXISTING CURB & GUTTER ST O R M T E C H C H A M B E R S (D R A I N A G E E A S E M E N T ) (1) - 6" STEP (4) - 5.5" RISERS w/ 12" TREADS WATER ENTRY ROOM 100-YR FLOODPLAIN (PER CSU CLOMR) 100-YR FLOODWAY (PER CSU CLOMR) 100-YR FLOODPLAIN (PER CSU CLOMR) VAULT ACCESS RAMP (1) - 4" STEP DETAILED GRADING AREA A (SEE SHEET C403) (4) - 6.5" RISERS w/ 12" TREADS PROPOSED 18" OUTFALL VERTICAL CURB & GUTTER PROPOSED ROOF DRAIN (SEE SHEET C300) PROPOSED LANDSCPAE DRAIN (SEE SHEET C300) PROPOSED RAMP THICKENED CONCRETE EDGE 20' UTILITY, DRAINAGE, ACCESS, & EMERGENCY ACCESS EASEMENT 20' UTILITY, DRAINAGE, ACCESS, & EMERGENCY ACCESS EASEMENT PROPOSED PRIVATE ACCESS & EMERGENCY ACCESS EASEMENT 8' EMERGENCY OVERFLOW WEIR ACCESS GATE DETAILED GRADING AREA B (SEE SHEET C403) MATCH EXISTING PAVEMENT PROPOSED 2' CURB CUT FF=5030.90 FF=5030.90 FF=5031.40 FF=5031.40 TOW TOW TOW TOW FF=5030.95 TOW TOW TOW TOW TO W TOWTOW TOW TOW TOW FL FL FL FL FL FL 30.94 30 . 9 4 30.95 31.00 31.05 30 . 8 0 30 . 8 1 30.90 31 . 0 5 31.07 31.06 30.40 30 . 2 0 30 . 2 3 29.1 1 30.95 30.17 31. 1 1 31.13 31.17 31.21 30.40 30.40 30 . 2 0 30 . 2 3 30.90 31.3 1 31 . 3 3 31. 3 7 31. 3 3 31 . 3 1 31 . 2 0 31.14 31.17 31.29 31.40 31.30 31 . 3 0 31.70 31 . 5 1 31. 4 1 31.41 31.3 1 31. 3 9 31. 4 8 31. 2 4 31 . 1 1 30 . 6 0 31. 1 7 31.1 5 30 . 6 5 30. 9 5 30.7 3 30.9 0 30.8 0 30. 8 0 29. 8 2 29.73 31. 1 2 31 . 3 2 31. 1 0 30. 7 4 31.20 31.3 6 31 . 3 5 30.74 31.4 6 31.4 0 31 . 4 4 30.7 3 30.90 30.90 30.73 31.00 30.60 30.1 6 30.46 30.00 30 . 1 5 31 . 2 2 31.59 31. 4 0 30.9 0 30.70 30. 7 0 29.9 2 31 . 2 1 31 . 3 0 31.60 32.96 32 . 9 6 31.31 31.50 32.94 32.8 0 32.9 4 32.93 32. 4 2 32.95 32. 8 8 31.63 32.90 32.96 31. 3 0 31. 3 6 31.71 31 . 3 4 31.4 2 30 . 9 0 30 . 9 0 30.60 29.28 26. 6 7 30 . 1 4 30.34 29.83 30 . 2 5 30 . 2 0 31.40 32.00 32. 2 0 32. 1 0 30.27 32. 0 0 32 . 2 0 31.0 8 32 . 2 0 32. 0 0 32. 0 0 32. 2 0 31.3 8 32. 1 1 32. 0 0 34.48 34.51 32. 2 3 31.6 0 34.58 32.16 32. 3 0 32. 3 0 32. 4 0 32. 4 0 31. 9 4 32.95 32.97 30.71 30.83 29.69 29.53 31. 0 3 31. 0 3 28.8 1 28.8 4 28.85 28 . 8 5 31.7 7 30.60 30.52 FF=5032.95 FF=5030.95 31.50 FL FF=5032.95 FF=5032.95 0.5% 0. 5 % 0.5% 1.2% 1.0% 0.6% 4.5% 0.8% 0. 6 % 3.9% 0. 2 % 0.8%0.7% 0. 8 % 4. 3 % 5. 0 % 2. 5 % 0. 5 % 0. 5 % 0. 5 % 0.6% 0.6% 0.9% 8.0% 9. 1 % 12 . 8 % 6: 1 6: 15.0%0.6% 0.5% 2.0% 2.0% 2.0% 4. 5 % 3. 0 % 3. 0 % 2.0% 2.0% 2.0% 1.0 % 2.0 % 2.0 % 2. 0 % 1.3%2.8% 2. 0 % 0. 2 % 0. 5 % 0. 7 % 0.5 % 2.4% 0.5%0.6% 0. 8 % 2.2% 2.6%2.6% 1. 0 % 7.7%0. 8 % 1. 8 % 0. 9 % 3. 8 % 0. 2 % 0. 5 % 3. 0 % 2.0% 3.6 % 0.5%0.5%0.5% 0.5%0.5%0.5% 0. 2 % 0. 2 % 0. 2 % 0. 3 % 1. 9 % 3.6 % 0.5% 2.0% 3. 1 % 0. 9 % 2.0% 2.0%2. 0 % 5.6% 4.6% 4.3% 0.9% 2.8 % 1.2% 5.0 % 0. 9 % 0. 9 % 2.0 % 2. 9 % 3. 8 % 5.0% 5. 0 % 2. 0 % 2.0% 2.0% 2.0% 0. 9 % (30 . 0 0 ) (29 . 2 1 ) (29 . 0 9 ) (28 . 2 2 ) (28 . 0 5 ) (2 7 . 9 4 ) (26 . 9 9 ) (28 . 9 1 ) (28 . 7 2 ) (29.27) (26.8 3 ) (26.50) (30.3 6 ) (30 . 1 8 ) (30 . 2 8 ) (33 . 1 2 ) 31.4 6 HP 26.5 0 (26 . 4 1 ) 28 . 8 2 28.8 3 29. 2 1 FFE=5031.40 FFE=5032.90 FFE=5030.90 FFE=5030.90 31.8 4 (27 . 7 3 ) (27.75)(27 . 8 1 ) (28.2 8 ) (28.4 3 ) (27.8 4 ) (27.57) 30 . 1 1 28.8 8 28.7 4 (27.41) FFE=5032.90 30 . 1 5 29.7 0 FFE=5032.01 29.4 5 FFE=5030.90 29.08 (29 . 3 9 ) 29.6 0 (29 . 7 3 ) 31. 0 5 31.4 6 30.00 29 . 9 4 29.8 1 29.64 30. 4 3 30.94 30.9 9 30.5 030 . 4 1 30.41 30.59 30.59 31.4 031.25 31 . 0 6 31.06 31.1 3 31.0 5 31.4 0 31.4 0 31.4 0 31.3 9 31.1 5 30 . 7 3 30.9 0 30.73 30.7 3 31.52 (31 . 3 6 ) (33.39)(33 . 5 2 ) (33 . 7 4 ) (32 . 1 1 ) (31 . 3 8 ) (2 7 . 0 4 ) 30 . 4 0 30.3 7 30.2 3 30.4 0 30.23 30.66 28.1 1 28.8 1 28. 6 7 28.7 4 29.31 29.73 30.78 30.90 30.90 30.90 30.76 30.6 7 30.88 30.7 7 30. 8 8 30.92 30.90 30.73 30.60 29.25 29.04 27.53 30.9 0 30.90 30.9 0 27.62 28.07 30.73 31.11 31.2 8 31.5 4 31. 1 5 31.4 0 31.0 8 31.1 8 31. 2 5 31.29 31.29 31.40 31.40 32.90 32.70 32.90 32.4 0 31.33 31.2 3 31.2 8 31.6 4 31.3 3 32.2 3 32.4 0 30.7 1 32.2 3 32.23 32.4 0 32.40 32.23 32.23 32 . 4 0 32 . 4 0 32.23 32 . 2 3 32.2 3 32.30 32 . 3 5 32 . 4 0 32 . 4 0 32.23 31.0 2 30.9832.23 32 . 2 5 32.90 32.90 32.6 2 29.92 30. 9 9 30 . 4 3 32.77 30.6 1 29.4629.80 29.9 9 29.08 28.1 3 29.2 2 28.57 29.5 1 28 . 5 1 28.7 6 27.30 27.16 27 . 5 9 28.9 8 30.90 30.86 28.7 5 28.5 1 26.94 26.6 5 26 . 8 4 30.6 4 30. 8 8 30.79 30.86 30.82 30.90 (27 . 8 2 ) (2 7 . 8 5 ) 29.85 31.0 2 27.43 (30 . 0 5 ) 30 . 9 0 30.90 30 . 7 3 30 . 7 3 30.90 32.7 7 27.55 (27.4 7 ) FFE=5031.40 FFE=5032.90 31.28 29.9 8 30.06 30 . 2 5 30.9 3 30.89 (27.16) (27.44) 28.9 9 28.7 0 30.6 0 30.4 0 30.40 30.5 8 31.40 31.4 0 30.7 3 30.4 0 31.07 30 . 8 3 30 . 8 7 30.7 4 30.3 8 30 . 9 0 30.90 29.28 30 . 2 0 31.1 4 31.00 FFE=5031.07 28.83 31.3331.30 31. 3 0 31.3 0 31.3 0 31 . 3 2 31.6 4 32.8 7 32.9 0 32.8 1 32.90 32.3 0 31.0 8 32.58 30.11 27 . 7 9 29.61 27.22 27.68 32.24 30 . 7 7 30.7 0 30.6 4 30.6 5 30.9 0 27 . 9 0 27 . 9 5 28. 1 0 28.0 7 31 . 0 7 31.1 1 31.0 9 31.1 6 31.51 31.2 0 31. 2 9 31.44 31.81 32.9 0 30.83 30.23 30.88 30 . 9 0 30.9 0 30. 9 1 31 . 4 1 30 . 5 9 30 . 5 0 31.32 29.15 30. 0 1 31.0 8 29.81 30. 1 6 32.01 27.2 0 31.96 26.8 6 30.72 28.40 28.94 28 . 8 9 28.0 1 27.7 7 27.21 28.85 27 . 9 0 27. 7 2 27 . 6 2 29.31 30.74 30. 7 4 30.67 30 . 7 2 30 . 7 5 30 . 8 2 30.7 9 30.83 30.75 30 . 6 5 30.7 9 30. 7 9 30. 9 0 30.76 30.8 2 30.80 30.9 0 30. 7 5 30.90 30.69 29.22 32. 2 9 30. 9 1 34.21 31.0 1 34.2 4 30 . 7 0 34.1 4 32.2 4 32 . 8 0 32 . 6 1 32.82 32 . 7 8 31. 9 032. 0 6 31. 5 9 30. 0 6 30. 9 1 30. 1 3 30 . 4 4 30.81 29. 9 0 29. 8 3 32.0 6 30.30 30.52 29.9 7 29.66 29.29 29.06 29 . 8 4 29. 4 4 28.67 28.83 28.56 28.15 28. 2 2 29.17 29.00 28.4 4 29 . 0 3 28 . 9 3 28. 0 1 28.8 0 27. 8 428.71 28.5 4 30.90 28 . 7 9 28.70 30 . 8 2 28 . 5 6 28 . 2 8 27.7 5 27.67 27.4 2 27.39 27.57 27.31 26.8 7 26.81 26.99 26.92 26.4 4 26.9 7 27.4 4 27.2 3 26.75 27.53 27.4 3 31 . 9 7 30.9130.85 30.8 9 30.89 30.77 30.8 4 30 . 9 2 30.89 30.81 30.8730.87 30.72 31.95 27.6527.7 4 27.82 30 . 7 5 30 . 9 0 30.81 30. 8 9 30.96 27.99 30.8130.71 30.91 30.66 31.9 6 30. 8 5 30 . 9 2 31.9 5 30. 9 3 30.94 28.13 28 . 0 9 27 . 6 8 30. 7 1 30.6528 . 9 1 29.25 29.15 30.77 28.88 28.92 28.3 9 28. 7 8 28 . 7 5 28. 7 8 30.69 30. 7 9 30. 9 2 30 . 6 4 30.90 30. 7 9 30. 8 9 29.24 29.36 29.6 9 29. 7 8 30. 9 2 1. 9 % 30.8 1 29.9 3 32. 2 3 31.96 28. 9 2 Sheet UN I O N O N E L I Z A B E T H E N G I N E E R N G I E H T R O N R N FO R T C O L L I N S : 3 0 1 N o r t h H o w e s S t r e e t , S u i t e 1 0 0 , 8 0 5 2 1 GR E E L E Y : 8 2 0 8 t h S t r e e t , 8 0 6 3 1 97 0 . 2 2 1 . 4 1 5 8 no r t h e r n e n g i n e e r i n g . c o m of 20 3.9.18 C400 GR A D I N G P L A N CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOU DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER UTILITIES. CALL UTILITY NOTIFICATION CENTER OF COLORADO Know what'sbelow. before you dig.Call R NORTH ( IN FEET ) 1 inch = ft. Feet02020 20 40 60 7 LEGEND: PROPOSED CONTOUR EXISTING CONTOUR PROPERTY BOUNDARY PROPOSED SPOT ELEVATION 33.43 PROPOSED SLOPES 1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN UNDERGROUND UTILITIES. 2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS, UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION. 3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE FINISHED GRADE ELEVATIONS. 4.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM NAVD88. SEE COVER SHEET FOR BENCHMARK REFERENCES. 5.THE BOTTOM OF MASONRY SHALL GENERALLY FOLLOW FINISHED GRADES. THERE SHALL BE A MAXIMUM OF 12" EXPOSED CONCRETE BETWEEN THE FINISHED GRADE AND ALL MASONRY. 6.THE CONTRACTOR IS RESPONSIBLE FOR FIELD LOCATING AND VERIFYING ELEVATIONS OF ALL CURBS AND GUTTERS AT THE POINTS OF CONNECTION SHOWN ON THE PLANS PRIOR TO INSTALLING ANY OF THE NEW IMPROVEMENTS. IF A CONFLICT EXISTS AND/OR A DESIGN MODIFICATION IS REQUIRED, THE CONTRACTOR SHALL COORDINATE WITH THE ENGINEER TO MODIFY THE DESIGN. 7.ADD 5000-FT TO PROPOSED CONTOURS, SPOT ELEVATIONS, AND FFE LABELS, WHERE TRUNCATED. 8.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED ARCHITECTURAL AND LANDSCAPE ARCHITECTURE DRAWINGS FOR ALL STEPS, RAMPS, LANDSCAPING WALLS, SEATWALLS, RAILINGS, AND PLANTERS. 9.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED STRUCTURAL DRAWINGS FOR ELEVATIONS AND GRADE CONDITIONS ALONG BUILDING PERIMETER. NOTIFY OWNER, ARCHITECT, AND ENGINEER(S) OF ANY DISCREPANCIES PRIOR TO MOBILIZATION. 10.THE LOWEST FLOOR (INCLUDING ANY BASEMENT OR CRAWL SPACE) AND ALL HVAC EQUIPMENT SHALL BE FLOOD PROTECTED ABOVE THE REGULATORY FLOOD PROTECTION ELEVATION. 11.A FLOODPLAIN USE PERMIT SHALL BE REQUIRED FOR EACH SITE CONSTRUCTION ELEMENT IN THE FLOODPLAIN, INCLUDING BUILDING. THE FLOODPLAIN USE PERMIT FOR THE BUILDING WILL BE APPROVED AT THE TIME OF BUILDING PERMIT APPLICATION. 12.SEE THE FLOODPLAIN EXHIBIT (SHEET C800) FOR ADDITIONAL INFORMATION REGARDING WORK WITHIN THE FLOODPLAIN AND FLOODWAY. 13.ALL PIPE PENETRATIONS THROUGH CONCRETE WALLS SHALL HAVE WATERTIGHT SEAL. 14.REFER TO STRUCTURAL PLANS FOR CONCRETE WATER-PROOFING TREATMENT REQUIREMENTS IN DETENTION VAULT. NOTES: 2.0% (47.45 ) EXISTING SPOT ELEVATION PROPOSED STORM PROPOSED VERTICAL CURB AND GUTTER PROPOSED SWALE 100-YR FLOODPLAIN (PER CSU CLOMR) 100-YR FLOODWAY (PER CSU CLOMR) 1 MI N O R A M E N D M E N T BR R 09 / 2 8 / 1 8 RECORD DRAWING SD SD SD FFE=30.90 MA I N T E N A N C E FFE=32.90 FFE=32.90 FFE=32.90 FFE=30.90 VA U L T A R E A SA N D F I L T E R AR E A PROPOSED OUTLET STRUCTURE (SEE DETAIL SHEET C502) PROPOSED SUBDRAIN (SEE SHEET C300) PROPOSED STORM DRAIN (SEE SHEET C301) 30.9 0 32.9 0 33.11 32.9 6 32.7 0 32.8 7 32.8 1 32.9 0 37.2 6 33.4 4 33.4 6 37.0 4 37.1 6 37 . 3 6 37.3 5 37.2 233.5 532.9 0 32.9 0 37.2 6 37.3 6 37.2 9 37.3 8 34.1 8 33.0 2 33.4 4 32.90 33.8 3 32.9 0 30.9 0 34.17 34.2 2 34.3 1 32.9 0 37.2 8 37.20 A A VAULT ACCESS RAMP @ 10% MAX (RE: ARCH) 33. 9 6 34.1 8 28.63 28.5328.5328.5 7 28. 7 5 28. 7 2 28.7 2 33.7 833.45 28.8 3 0.5% 0.5%0.5% 0.5% 0. 9 % 0. 5 % 0. 5 % 0. 5 % 1. 7 % 1. 4 % 1. 5 % 13.2% 2.4% 0.5% 2.0% 2.0% 2.0%0.5% 6. 5 % 0. 5 % 0. 5 % 0. 5 % 0. 7 % 0.5% 8. 1 % 8. 3 % 8. 2 % 0. 5 % 0. 3 % 1.6% 0.5% 0. 5 % 0.5% 2.0% 2.0% 0. 5 % 0.5% 33.4 4 33.36 28. 5 228.5 228 . 5 5 30.9 0 28.64 33.1 9 33.1 9 33.1 1 33.0 2 33.1 1 33.0 4 CONCRETE WALL PENETRATION SEE NOTES #13 & #14 37.20 32.9 0 37 . 1 8 2.6% 33.4 0 33.54 33.5 0 0. 5 % 8' EMERGENCY OVERFLOW WEIR (ELEV.=5033.66)33.66 TOP CIP 33.0 1 2.0%0.5% 0.5% 32.79 0. 6 % 0.5% 0.5% 32.9 6 0.5% 0. 5 % BB 31.80 TOP CIP 34.20 TOP CIP 34.20 TOP CIP 31.80 TOP CIP 34.20 TOP CIP 34.20 TOP CIP 34.20 TOP CIP 33.4 0 33.4 0 33.66 TOP CIP33.3 5 33.4 4 33.8 3 0. 5 % 0. 5 % ACCESS GATE (RE: ARCH) 28.6 5 28 . 5 5 39.5 9 39.5 7 39.5 5 39.5 7 39.5 9 36.9 8 36.2 7 34.0 9 33.3 8 34.1 5 36.3 3 36.3 3 34.1 5 37.2 0 6.5%6.5% 0.5% LIMIT OF SLAB-ON-GRADE (RE: ARCH) 34.20 TOP CIP 34.20 TOP CIP 28.7028.7 2 28.68 31.82 34.18 28.82 34.18 34.18 28.63 28.59 28 . 5 8 28 . 5 4 28.53 31.80 28. 6 5 34.18 34.18 34.18 32.96 32.94 32.70 32.94 33.63 33.63 34.18 5033.63 NOTE: - REFER TO STRUCTURAL PLANS FOR ADDITIONAL VAULT INFORMATION - ALL LOCATIONS WHERE ROOF DRAIN DISCHARGES INTO SAND FILTER SHALL DISCHARGE ONTO A DIFFUSION BAFFLE 22' WIDE SAND FILTER 7' - 4" WIDE DETENTION VAULT TOP OF WALL EL.=5031.80 4" CONCRETE SLAB PEA GRAVEL (DEPTH VARIES - TOP OF MATERIAL = 5029.00) CDOT CLASS C FILTER MATERIAL (18" DEPTH)4" THICK CONCRETE SLAB MIN. RAMP ELEV. = 5033.35 100-YR WSEL = 5032.37 4" PERFORATED HDPE SUBDRAIN OUTLET STRUCTURE INV. = 5028.53 TOP OF CAST-IN-PLACE EL.=5034.20 TOP OF FILTER MATERIAL = 5030.50 1.9' ROOF DRAIN INLET PIPE (TYP.) DIFFUSION BAFFLE (SEE DETAIL) 8' EMERGENCY OVERFLOW WEIR TOP OF WALL EL.=5031.80 EMERGENCY SPILL OPENING = 5033.66 APPROXIMATE GARAGE SLAB 100-YR WSEL = 5032.37 TOP OF CAST-IN-PLACE EL.=5034.20 30' TOP OF CAST-IN-PLACE EL.=5034.20 TOP OF CAST-IN-PLACE EL.=5034.20 ACCESS GATE (RE: ARCH) TOP OF CAST-IN-PLACE EL.=5034.20 ACCESS RAMP @ 10% MAX (RE: ARCH) 4" PERFORATED HDPE SUBDRAIN 12" 12" 12" STAINLESS STEEL ANCHOR BOLTS OR INTERMITTENT WELDS ON TOP AND SIDES WELL SCREEN NO. 93 (U.S. FILTER STAINLESS STEEL OR EQUAL) FASTEN TO CONCRETE WITH 3/8"x6" THREADED BOLTS STAINLESS STEEL ANGLE BAR FRAME Sheet UN I O N O N E L I Z A B E T H E N G I N E E R N G I E H T R O N R N FO R T C O L L I N S : 3 0 1 N o r t h H o w e s S t r e e t , S u i t e 1 0 0 , 8 0 5 2 1 GR E E L E Y : 8 2 0 8 t h S t r e e t , 8 0 6 3 1 97 0 . 2 2 1 . 4 1 5 8 no r t h e r n e n g i n e e r i n g . c o m of 20 3.9.18 C401 DE T A I L E D G R A D I N G P L A N CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOU DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER UTILITIES. CALL UTILITY NOTIFICATION CENTER OF COLORADO Know what'sbelow. before you dig.Call R NORTH ( IN FEET ) 1 inch = ft. Feet01010 10 20 30 8 LEGEND: PROPOSED CONTOUR EXISTING CONTOUR PROPERTY BOUNDARY PROPOSED SPOT ELEVATION 33.43 PROPOSED SLOPES 1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN UNDERGROUND UTILITIES. 2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS, UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION. 3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE FINISHED GRADE ELEVATIONS. 4.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM NAVD88. SEE COVER SHEET FOR BENCHMARK REFERENCES. 5.THE BOTTOM OF MASONRY SHALL GENERALLY FOLLOW FINISHED GRADES. THERE SHALL BE A MAXIMUM OF 12" EXPOSED CONCRETE BETWEEN THE FINISHED GRADE AND ALL MASONRY. 6.THE CONTRACTOR IS RESPONSIBLE FOR FIELD LOCATING AND VERIFYING ELEVATIONS OF ALL CURBS AND GUTTERS AT THE POINTS OF CONNECTION SHOWN ON THE PLANS PRIOR TO INSTALLING ANY OF THE NEW IMPROVEMENTS. IF A CONFLICT EXISTS AND/OR A DESIGN MODIFICATION IS REQUIRED, THE CONTRACTOR SHALL COORDINATE WITH THE ENGINEER TO MODIFY THE DESIGN. 7.ADD 5000-FT TO PROPOSED CONTOURS, SPOT ELEVATIONS, AND FFE LABELS, WHERE TRUNCATED. 8.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED ARCHITECTURAL AND LANDSCAPE ARCHITECTURE DRAWINGS FOR ALL STEPS, RAMPS, LANDSCAPING WALLS, SEATWALLS, RAILINGS, AND PLANTERS. 9.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED STRUCTURAL DRAWINGS FOR ELEVATIONS AND GRADE CONDITIONS ALONG BUILDING PERIMETER. NOTIFY OWNER, ARCHITECT, AND ENGINEER(S) OF ANY DISCREPANCIES PRIOR TO MOBILIZATION. 10.THE LOWEST FLOOR (INCLUDING ANY BASEMENT OR CRAWL SPACE) AND ALL HVAC EQUIPMENT SHALL BE FLOOD PROTECTED ABOVE THE REGULATORY FLOOD PROTECTION ELEVATION. 11.A FLOODPLAIN USE PERMIT SHALL BE REQUIRED FOR EACH SITE CONSTRUCTION ELEMENT IN THE FLOODPLAIN, INCLUDING BUILDING. THE FLOODPLAIN USE PERMIT FOR THE BUILDING WILL BE APPROVED AT THE TIME OF BUILDING PERMIT APPLICATION. 12.SEE THE FLOODPLAIN EXHIBIT (SHEET C800) FOR ADDITIONAL INFORMATION REGARDING WORK WITHIN THE FLOODPLAIN AND FLOODWAY. 13.ALL PIPE PENETRATIONS THROUGH CONCRETE WALLS SHALL HAVE WATERTIGHT SEAL. 14.REFER TO STRUCTURAL PLANS FOR CONCRETE WATER-PROOFING TREATMENT REQUIREMENTS IN DETENTION VAULT. NOTES: 2.0% (47.45 ) EXISTING SPOT ELEVATION PROPOSED STORM PROPOSED VERTICAL CURB AND GUTTER PROPOSED SWALE 100-YR FLOODPLAIN (PER CSU CLOMR) 100-YR FLOODWAY (PER CSU CLOMR) PARKING GARAGE GRADING DETAIL SCALE: 1" = 10' SECTION A-A SECTION B-B DETENTION VAULT DETAIL NOT TO SCALE DIFFUSION BAFFLE DETAIL NOT TO SCALE RECORD DRAWING MATCH EXISTING CURB & GUTTER PROPOSED 31" DRIVE-OVER CURB & GUTTER MATCH EXISTING FLOWLINE MATCH EXISTING FLOWLINE TIE TO EXISTING WALK EXISTING VERTICAL CURB & GUTTER TIE TO EXISTING WALK (28 . 2 2 ) (28 . 0 5 ) (2 7 . 9 2 ) (28 . 9 1 ) (28 . 7 2 ) WEST ELIZABETH STREET (80' ROW) PROPOSED 15" HDPE STORM DRAIN (SEE SHEET C300) PROPOSED TRENCH DRAIN B (SEE DETAILS) N:126545.83 E:188770.94 MATCH EXISTING FLOWLINE MATCH EXISTING FLOWLINE FFE=30.90 (28 . 4 3 ) (28 . 4 0 ) (28 . 6 6 ) (27 . 8 4 ) (27 . 5 7 ) (28.12) (28 . 2 8 ) FFE=30.90 PROPOSED 30" VERTICAL CURB & GUTTER (2 7 . 9 7 ) (28 . 6 2 ) (28 . 7 5 ) PROPOSED 2' SIDEWALK CULVERT PROPOSED 2' CURB CUT PROPOSED RAMP 9' UTILITY EASEMENT PROPOSED 2' SIDEWALK CULVERT 28.81 28.8 3 28.8 1 28.8 8 28.74 28.7 4 28 . 1 1 30.90 30.90 30.2 3 30 . 4 0 30.23 (29 . 0 6 ) (29 . 1 4 ) 30.6 6 28. 8 3 29.3 1 31 . 4 4 30.9 0 29.81 29.73 29.2 1 29. 0 4 29.16 29.2 5 28 . 1 0 28.0 3 28.2 8 27.53 (27 . 4 7 ) 27 . 9 9 27.80 28.08 27.8 0 30.73 30.9 0 30.9 0 27.62 28.09 27. 9 0 28.07 28.10 27.8 9 28 . 1 1 (28 . 1 1 ) 30.6 6 28.85 28.91 4 - 5.5" RISERS w/ 12" TREADS 30.90 30.76 PROPOSED SIDEWALK 31.70 TOW 100-YR FLOODWAY (PER CSU CLOMR) 1.2% 1. 5 % 5. 0 % 4. 3 % 2. 0 % 0. 5 % 2. 0 % 7.5% 2. 0 % 2.4% 30.74 0. 7 % 0. 5 % 31.90 TOW 31.90 TOW 31.90 TOW 100-YR FLOODPLAIN (PER CSU CLOMR) 5'24'5' 30.74 0.5% 2. 0 % 30.7 1 30.8 2 30.7 9 30.8 3 30.7 6 30.67 0.5% 0.5 % 1.0% 0. 8 % 1.0% 29.6 9 30.20 30.40 28.88 28.92 28. 9 2 28. 7 3 28. 3 9 28 . 7 8 28 . 0 7 28.75 28.78 30.69 30.79 30. 9 2 31.93 30.23 30.6 3 30. 6 4 30 . 6 5 28. 9 4 28 . 8 7 29. 2 4 29. 3 6 30. 7 9 30. 8 9 30. 9 0 30. 7 1 29 . 7 8 29. 1 5 27. 9 0 27. 8 7 27. 6 6 27. 5 9 28.34 31.93 27 . 4 9 29. 0 8 28.08 28.91 28.47 27 . 6 8 28 . 2 4 27.89 28 . 1 4 27.4 0 28.22 31.96 29.25 28 . 1 2 28.1 330.7 1 30.65 30.7 7 30.9 4 30.9 3 30 . 9 2 FF=5030.90 FF=5030.90 30.77 31.95 27.9 6 28.0 7 27.9 9 28.3 1 29. 2 9 28.1 3 FD C MATCH EXISTING CURB & GUTTER MATCH EXISTING FLOWLINE MATCH EXISTING FLOWLINE MATCH EXISTING FLOWLINE TIE TO EXISTING WALK MATCH EXISTING CURB & GUTTER (27 . 0 0 ) (26.8 3 ) (27.41) N:126540.47 E:189130.90 (27 . 2 6 ) (27 . 2 8 ) (27 . 8 3 ) (27.85) (27 . 7 3 ) FFE=30.90 (27 . 8 3 ) 30. 6 7 30. 6 5 27 . 8 0 30.6 4 28.0 0 27.8 5 27.9 5 30.79 27.6 1 30 . 6 4 30.8 1 30.8 2 30.7 6 (27.53) 30.70 WEST ELIZABETH STREET (80' ROW) FFE=30.90 MATCH EXISTING PAVEMENT PROPOSED 18" VERTICAL OUTFALL CURB & GUTTER (6) - 5" RISERS w/ 12" TREADS (6) - 5.5" RISERS w/ 12" TREADS PROPOSED 4' CONCRETE PAN 9' UTILITY EASEMENT 28.10 27.8 9 30.90 30.76 30.90 30.88 30.90 30. 6 4 30 . 6 4 28.20 27.90 28. 0 8 28.00 27.8 6 27.8 0 27.43 27.59 27.64 30 . 9 0 30.9 0 30.9 0 30.9 0 30.8 2 30.77 30.82 28.22 27.1 6 27.3 0 27.20 26 . 8 6 26 . 8 4 26 . 6 5 26 . 5 0 27.1 1 (26.41) (27.11) FLUSH CURB 27 . 8 5 ACCESS RAMP PROPOSED SIDEWALK 30. 7 9 30. 7 4 31.70 TOW 31.70 TOW 34.40 TOW 31.90 TOW 31.90 TOW 100-YR FLOODPLAIN (PER CSU CLOMR) 100-YR FLOODWAY (PER CSU CLOMR) 2. 0 % 2. 0 % 7.5% 2. 0 % 1.0% 1.3% 0. 9 % 3.9% 1.0 % 2.0 % 1. 8 % 1.0% 0.6% 2.0% 1. 0 % 0. 9 % 0.6 % 0.7% 2. 0 % 2. 0 % 31.70 TOW 31.70 TOW 30. 6 5 30.7 9 30 . 7 4 28.07 27.6 7 2. 0 % 1.9% 27.3 9 27.55 30.90 30.90 30.90 5' TRANS. 27.9 2 27.68 26 . 9 4 2.0% 2.0 % 2.0 % 1.3 % 27.48 PROPOSED 2' CURB CUT 30.75 0.5%0.5% 1. 0 % 30 . 6 9 30.75 30 . 8 0 0.5% 0.5% 1. 0 % 1. 1 % 28.1 3 30 . 9 2 27.9 6 FF=5030.90 FF=5030.95 27 . 9 8 28.0 6 28.0 9 28.1 1 30.66 30 . 9 0 31.95 30 . 9 1 30 . 9 2 30 . 9 2 30.9 0 30 . 9 3 30.92 30 . 9 0 30.8 7 30.89 30. 8 9 30. 8 5 30.81 30.8 0 30 . 7 7 30 . 8 4 30.89 30.9 2 30.8 7 30.91 27. 5 4 27 . 5 3 27.3 1 27 . 2 3 27.1 7 26.7 5 26.7 7 27.4 3 27.6 5 27.7 4 30.7 2 31.95 30 . 8 5 30.6 9 30. 7 1 30 . 7 3 31.97 30.81 27. 9 6 27.8 9 27 . 9 9 27.7 4 27 . 8 2 30.71 31.96 30.86 30.81 30.89 30.9 6 30.7 5 27.8 2 27 . 6 1 27.4 4 27.5 7 27.4 5 28.1 3 26.4 4 26.9 2 26.97 26.9 9 26 . 8 7 26.81 27.4 5 31.97 27.83 31.98 Sheet UN I O N O N E L I Z A B E T H E N G I N E E R N G I E H T R O N R N FO R T C O L L I N S : 3 0 1 N o r t h H o w e s S t r e e t , S u i t e 1 0 0 , 8 0 5 2 1 GR E E L E Y : 8 2 0 8 t h S t r e e t , 8 0 6 3 1 97 0 . 2 2 1 . 4 1 5 8 no r t h e r n e n g i n e e r i n g . c o m of 20 3.9.18 C402 DE T A I L E D G R A D I N G P L A N CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOU DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER UTILITIES. CALL UTILITY NOTIFICATION CENTER OF COLORADO Know what'sbelow. before you dig.Call R NORTH ( IN FEET ) 1 inch = ft. Feet01010 10 20 30 9 LEGEND: PROPOSED CONTOUR EXISTING CONTOUR PROPERTY BOUNDARY PROPOSED SPOT ELEVATION 33.43 PROPOSED SLOPES 1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN UNDERGROUND UTILITIES. 2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS, UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION. 3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE FINISHED GRADE ELEVATIONS. 4.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM NAVD88. SEE COVER SHEET FOR BENCHMARK REFERENCES. 5.THE BOTTOM OF MASONRY SHALL GENERALLY FOLLOW FINISHED GRADES. THERE SHALL BE A MAXIMUM OF 12" EXPOSED CONCRETE BETWEEN THE FINISHED GRADE AND ALL MASONRY. 6.THE CONTRACTOR IS RESPONSIBLE FOR FIELD LOCATING AND VERIFYING ELEVATIONS OF ALL CURBS AND GUTTERS AT THE POINTS OF CONNECTION SHOWN ON THE PLANS PRIOR TO INSTALLING ANY OF THE NEW IMPROVEMENTS. IF A CONFLICT EXISTS AND/OR A DESIGN MODIFICATION IS REQUIRED, THE CONTRACTOR SHALL COORDINATE WITH THE ENGINEER TO MODIFY THE DESIGN. 7.ADD 5000-FT TO PROPOSED CONTOURS, SPOT ELEVATIONS, AND FFE LABELS, WHERE TRUNCATED. 8.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED ARCHITECTURAL AND LANDSCAPE ARCHITECTURE DRAWINGS FOR ALL STEPS, RAMPS, LANDSCAPING WALLS, SEATWALLS, RAILINGS, AND PLANTERS. 9.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED STRUCTURAL DRAWINGS FOR ELEVATIONS AND GRADE CONDITIONS ALONG BUILDING PERIMETER. NOTIFY OWNER, ARCHITECT, AND ENGINEER(S) OF ANY DISCREPANCIES PRIOR TO MOBILIZATION. 10.THE LOWEST FLOOR (INCLUDING ANY BASEMENT OR CRAWL SPACE) AND ALL HVAC EQUIPMENT SHALL BE FLOOD PROTECTED ABOVE THE REGULATORY FLOOD PROTECTION ELEVATION. 11.A FLOODPLAIN USE PERMIT SHALL BE REQUIRED FOR EACH SITE CONSTRUCTION ELEMENT IN THE FLOODPLAIN, INCLUDING BUILDING. THE FLOODPLAIN USE PERMIT FOR THE BUILDING WILL BE APPROVED AT THE TIME OF BUILDING PERMIT APPLICATION. 12.SEE THE FLOODPLAIN EXHIBIT (SHEET C800) FOR ADDITIONAL INFORMATION REGARDING WORK WITHIN THE FLOODPLAIN AND FLOODWAY. 13.ALL PIPE PENETRATIONS THROUGH CONCRETE WALLS SHALL HAVE WATERTIGHT SEAL. 14.REFER TO STRUCTURAL PLANS FOR CONCRETE WATER-PROOFING TREATMENT REQUIREMENTS IN DETENTION VAULT. NOTES: 2.0% (47.45 ) EXISTING SPOT ELEVATION PROPOSED STORM PROPOSED VERTICAL CURB AND GUTTER PROPOSED SWALE 100-YR FLOODPLAIN (PER CSU CLOMR) 100-YR FLOODWAY (PER CSU CLOMR) FRONT ENTRANCE GRADING DETAIL SCALE: 1" = 10' MA T C H L I N E - S E E B E L O W L E F T MA T C H L I N E - S E E A B O V E R I G H T FRONT ENTRANCE GRADING DETAIL SCALE: 1" = 10' 1 MI N O R A M E N D M E N T BR R 09 / 2 8 / 1 8 RECORD DRAWING X X X X X X X X X X PROPOSED 2' CONCRETE PAN 31.09 30.76 31.03 32.25 32.62 29. 9 3 30.4330.48 1. 9 % 32 . 5 8 31.06 (31 . 2 2 ) (31 . 3 7 ) STONE BLOCK (TYP.) (RE: LANDSCAPE PLANS) PROPOSED C TRENCH DRAIN (SEE DETAILS) 31 . 9 6 32 . 1 3 31 . 3 4 32 . 2 3 32. 8 0 32. 6 1 31. 9 0 29. 9 0 29.8 3 30. 3 0 30. 0 6 1. 9 % /////////////////////////////// 30.9 0 30.7 7 30.90 30.90 30.6829.20 29.16 30.81 29.96 30.06 30.1629.9 7 29.87 29.10 29.06 7. 0 % 7. 3 % 2.0% FFE=30.90 29.20 30.2 3 2.0% 2.0% 2. 0 % RAMPS (RE: LANDSCAPE PLANS) 30.9 5 29.1 1 30.1 7 Sheet UN I O N O N E L I Z A B E T H E N G I N E E R N G I E H T R O N R N FO R T C O L L I N S : 3 0 1 N o r t h H o w e s S t r e e t , S u i t e 1 0 0 , 8 0 5 2 1 GR E E L E Y : 8 2 0 8 t h S t r e e t , 8 0 6 3 1 97 0 . 2 2 1 . 4 1 5 8 no r t h e r n e n g i n e e r i n g . c o m of 20 3.9.18 C403 DE T A I L E D G R A D I N G P L A N CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOU DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER UTILITIES. CALL UTILITY NOTIFICATION CENTER OF COLORADO Know what'sbelow. before you dig.Call R NORTH ( IN FEET ) 1 inch = ft. Feet055 5 10 15 10 LEGEND: PROPOSED CONTOUR EXISTING CONTOUR PROPERTY BOUNDARY PROPOSED SPOT ELEVATION 33.43 PROPOSED SLOPES 1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN UNDERGROUND UTILITIES. 2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS, UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION. 3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE FINISHED GRADE ELEVATIONS. 4.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM NAVD88. SEE COVER SHEET FOR BENCHMARK REFERENCES. 5.THE BOTTOM OF MASONRY SHALL GENERALLY FOLLOW FINISHED GRADES. THERE SHALL BE A MAXIMUM OF 12" EXPOSED CONCRETE BETWEEN THE FINISHED GRADE AND ALL MASONRY. 6.THE CONTRACTOR IS RESPONSIBLE FOR FIELD LOCATING AND VERIFYING ELEVATIONS OF ALL CURBS AND GUTTERS AT THE POINTS OF CONNECTION SHOWN ON THE PLANS PRIOR TO INSTALLING ANY OF THE NEW IMPROVEMENTS. IF A CONFLICT EXISTS AND/OR A DESIGN MODIFICATION IS REQUIRED, THE CONTRACTOR SHALL COORDINATE WITH THE ENGINEER TO MODIFY THE DESIGN. 7.ADD 5000-FT TO PROPOSED CONTOURS, SPOT ELEVATIONS, AND FFE LABELS, WHERE TRUNCATED. 8.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED ARCHITECTURAL AND LANDSCAPE ARCHITECTURE DRAWINGS FOR ALL STEPS, RAMPS, LANDSCAPING WALLS, SEATWALLS, RAILINGS, AND PLANTERS. 9.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED STRUCTURAL DRAWINGS FOR ELEVATIONS AND GRADE CONDITIONS ALONG BUILDING PERIMETER. NOTIFY OWNER, ARCHITECT, AND ENGINEER(S) OF ANY DISCREPANCIES PRIOR TO MOBILIZATION. 10.THE LOWEST FLOOR (INCLUDING ANY BASEMENT OR CRAWL SPACE) AND ALL HVAC EQUIPMENT SHALL BE FLOOD PROTECTED ABOVE THE REGULATORY FLOOD PROTECTION ELEVATION. 11.A FLOODPLAIN USE PERMIT SHALL BE REQUIRED FOR EACH SITE CONSTRUCTION ELEMENT IN THE FLOODPLAIN, INCLUDING BUILDING. THE FLOODPLAIN USE PERMIT FOR THE BUILDING WILL BE APPROVED AT THE TIME OF BUILDING PERMIT APPLICATION. 12.SEE THE FLOODPLAIN EXHIBIT (SHEET C800) FOR ADDITIONAL INFORMATION REGARDING WORK WITHIN THE FLOODPLAIN AND FLOODWAY. 13.ALL PIPE PENETRATIONS THROUGH CONCRETE WALLS SHALL HAVE WATERTIGHT SEAL. 14.REFER TO STRUCTURAL PLANS FOR CONCRETE WATER-PROOFING TREATMENT REQUIREMENTS IN DETENTION VAULT. NOTES: 2.0% (47.45 ) EXISTING SPOT ELEVATION PROPOSED STORM PROPOSED VERTICAL CURB AND GUTTER PROPOSED SWALE 100-YR FLOODPLAIN (PER CSU CLOMR) 100-YR FLOODWAY (PER CSU CLOMR) AREA A SCALE: 1" = 5' AREA B SCALE: 1" = 5' KEYMAP WEST ELIZABETH STREET B A A B 1 MI N O R A M E N D M E N T BR R 09 / 2 8 / 1 8 RECORD DRAWING STSTSTSTSTSTSTST STST STSTSTSTSTSTSTSTSTSTSTST STSTSTSTSTSTSTSTSTSTSTSTSTSTST STSTSTSTST STSTSTSTSTSTSTSTSTST UDUDUDUDUDUDUDUDUDUDUD28.2 1 SUB 28.3 0 SUB 31.49 31 . 2 6 0.2%0. 5 % 0.2% 0.2% 0. 5 % 0. 5 % 27. 9 6 SU B 30.7 3 27.8 7SUB 30.6 5 PROPOSED STORM DRAIN (SEE SHEET C300) PROPOSED STORM DRAIN (SEE SHEET C300) PROPOSED TRENCH DRAIN (SEE DETAIL) PROPOSED PERMEABLE PAVER AREA 90° BEND A13 INV.=5028.56 FG=5031.37 START CHAMBER A12 INV.=5028.55 FG=5031.37 CO BASIN A15-3 (SOLID COVER) w/ WEIR INV.=5028.44 FG=5031.15 START ISO CHAMBER A15-1 INV.=5028.62 FG=5031.21 BASIN A14 (SOLID COVER) w/ WEIR INV.=5028.59 FG=5031.25 SD CO A9-1 INV.=5028.34 FG=5031.27 END CHAMBER A11 INV.=5028.23 FG=5030.75 BASIN A10 (SOLID COVER) INV.=5028.12 FG=5030.72 SD ECCENTRIC CONNECTION A9 INV.=5028.11 FG=5030.74 PROPOSED PERMEABLE PAVER AREA 3.36 LF 8" HDPE @ 0.42% 3.36 LF 8" HDPE @ 0.30% 6.22 LF 8" HDPE @ 0.50% 111.00 LF 6" PERF. HDPE @ 0.20% STORMTECH CHAMBERS @ 0.20% 4.25 LF 12" HDPE @ 0.20% 4.38 LF 15" HDPE @ 0.20% STORMTECH CHAMBERS (TYP.) 6.25 LF 8" HDPE @ 0.50% BASIN A15 (SOLID COVER) INV.=5028.63 FG=5031.23 3.56 LF 8" HDPE @ 0.20% BEGIN ISO CHAMBER A15-4 INV.=5028.43 FG=5031.14 INSPECTION PORT END ISO CHAMBER A15-2 INV.=5028.45 FG=5031.16 3.55 LF 8" HDPE @ 0.20% STORMTECH CHAMBERS @ 0.20% END ISO CHAMBER A15-5 INV.=5028.29 FG=5030.72 8.65 LF 12" HDPE @ 1.30% INSERTA-TEE A16 INV. IN=5028.74 (N) INV. IN=5028.88 (W) INV. OUT=5028.74 (S) FG=5031.32 6.22 LF 6" HDPE @ 0.50% RD BASIN A16-1 (SOLID COVER) INV.=5028.91 FG=5031.34 20.04 L F 6" HDP E @ 0.50 % RD CONNECTION A16-2 INV.=5029.03 FG=5031.17 RD CO 1A INV.=5028.59 FG=5031.33 21.67 LF 4" HDPE @ 0.50% 8.89 LF 12" HDPE @ 0.50% RD BASIN 1 (SOLID COVER) INV.=5028.48 FG=5031.24 5.63 LF 6" HDPE @ 0.50% RD CONNECTION 1-1 INV.=5028.51 FG=5031.29 12.94 LF 8" HDPE @ 0.50% TEE 2 INV.=5028.55 FG=5031.20 3.03 LF 6" HDPE @ 0.50% RD CONNECTION 2-1 INV.=5028.56 FG=5031.23 39.16 LF 8" HDPE @ 0.50% TEE 3 INV.=5028.74 FG=5030.88 9.68 LF 6" HDPE @ 0.50% RD CONNECTION 3-1 INV.=5028.78 FG=5030.92 27.03 LF 8" HDPE @ 0.50% RD CO 4 INV.=5028.87 FG=5030.77 7.74 LF 15" HDPE @ 0.20% BASIN A8 (SOLID COVER) INV.=5028.10 FG=5030.74 CLEANOUT A8-1 INV.=5028.79 FG=5031.67 INSPECTION PORT INSPECTION PORT 3.56 LF 6" HDPE @ 0.50% RD TEE A16-1A INV.=5028.92 FG=5031.30 5.00 LF 4" HDPE @ 0.50% RD 22.5° BEND A16-1A.1 INV.=5029.03 FG=5031.32 13.76 LF 4" HDPE @ 0.50% RD CONNECTION A16-1A.2 INV.=5029.10 FG=5031.40 START CHAMBER A11A-B1 INV.=5027.82 FG=5031.41 2.00 LF 8" HDPE @ 0.50% RD TEE A11A-3B INV.=5028.78 FG=5031.67 8.22 LF 4" HDPE @ 0.50% RD CONNECTION A11A-4B INV.=5028.99 FG=5032.08 52.71 LF 8" HDPE @ 0.50% BASIN A11A-2 (SOLID LID) INV.=5028.52 FG=5031.35 10.04 LF 12" HDPE @ 0.50% INSPECTION PORT INSPECTION PORT 51.72 LF 8" HDPE @ 0.50% RD TEE A11A-3 INV.=5028.78 FG=5031.37 8.34 LF 6" HDPE @ 0.50% RD CONNECTION A11A-3A INV.=5028.90 FG=5031.73 27.92 LF 8" HDPE @ 0.50% RD TEE A11A-4 INV.=5028.92 FG=5031.29 1.84 LF 4" HDPE @ 0.50% RD CONNECTION A11A-4A INV.=5029.09 FG=5031.40 27.57 LF 8" HDPE @ 0.50% 1.35 LF 8" HDPE @ 0.50% RD CO A11A-6 INV.=5029.06 FG=5030.83 RD TEE A11A-5 INV.=5029.05 FG=5030.85 13.05 LF 4" HDPE @ 0.50% RD CONNECTION A11A-5A INV.=5029.45 FG=5030.91 END CHAMBER A11A-B2 INV.=5028.47 FG=5031.25 3.55 LF 12" HDPE @ 0.20% TEE A11A INV.=5028.46 FG=5031.22 BASIN A11A-1 (SOLID LID) w/ WEIR INV.=5028.47 FG=5031.25 3.56 LF 12" HDPE @ 0.20% START CHAMBER A11A-B3 INV.=5028.46 FG=5031.24 31.36 28.17 SUB 27.6 9 SUB 27.70 SUB 28 . 1 9SU B 31 . 3 0 31 . 2 0 31 . 1 3 30.8 1 Sheet UN I O N O N E L I Z A B E T H E N G I N E E R N G I E H T R O N R N FO R T C O L L I N S : 3 0 1 N o r t h H o w e s S t r e e t , S u i t e 1 0 0 , 8 0 5 2 1 GR E E L E Y : 8 2 0 8 t h S t r e e t , 8 0 6 3 1 97 0 . 2 2 1 . 4 1 5 8 no r t h e r n e n g i n e e r i n g . c o m of 20 3.9.18 C404 SU B G R A D E P L A N LEGEND: NOTES: CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOU DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER UTILITIES. CALL UTILITY NOTIFICATION CENTER OF COLORADO Know what'sbelow. before you dig.Call R NORTH ( IN FEET ) 1 inch = ft. Feet01010 10 20 30 11 PROPOSED SUBGRADE SPOT ELEVATION 33.43 PROPOSED SUBGRADE SLOPES 2.0% EXISTING SPOT ELEVATION PROPOSED SUBDRAIN PROPOSED HDPE STORM UD PROPOSED FINISHED GRADE SPOT ELEVATION 33.43 (33.43 ) SUB 1.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS, UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION. 2.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN UNDERGROUND UTILITIES. 3.ALL SPOTS SHOWN ARE FISHED GRADE ELEVATIONS UNLESS OTHERWISE NOTED. 4.CONTRACTOR SHALL NOTIFY THE DESIGN ENGINEER AND THE CITY OF FORT COLLINS STORMWATER UTILITY A MINIMUM OF ONE WEEK IN ADVANCE SO AS TO ALLOW FOR FIELD OBSERVATION AND DOCUMENTATION OF THE FOLLOWING SYSTEM ITEMS IN THE SUBGRADE AREA: - SUBGRADE - INSTALLATION OF GEOTEXTILE FABRIC - INSTALLATION OF UNDERDRAIN - PLACEMENT AND COMPACTION OF SUB-BASE MATERIAL - PLACEMENT AND COMPACTION OF BASE MATERIAL - PLACEMENT OF SETTING BED 5.STORMTECH CONTRACTOR SHALL MEET WITH SUPPLIER PRIOR TO INSTALLATION. 6.SUBGRADE AREAS ARE TO BE FIELD SURVEYED BY A LICENSED PROFESSIONAL. THE DESIGN ENGINEER MUST CONFIRM THE SUBGRADE ELEVATIONS AND DIMENSIONS PRIOR TO PLACEMENT OF GEOTEXTILE FABRIC, SUB-BASE, OR ANY OTHER MATERIAL. 7.THE CONTRACTOR SHOULD PROVIDE SLACK IN GEOTEXTILE FABRIC TO ENSURE PROPER INSTALLATION AND AGGREGATE PLACEMENT WITHOUT DAMAGE. PROVIDE SUFFICIENT SLACK SO THE FABRIC IS NOT TORN WHEN ROCK IS PLACED. IF TEARS ARE SEEN OR DISCOVERED, REPAIR THEM AS RECOMMENDED BY MANUFACTURER WITH NO LESS THAN 18 INCHES OF OVERLAP ON ALL SIDES OF THE TEAR. 8.THE CONTRACTOR SHALL, AT ALL TIMES DURING AND AFTER SYSTEM INSTALLATION, PREVENT SEDIMENT, DEBRIS, AND DIRT FROM ANY SOURCE FROM ENTERING THE VAULT SYSTEM. 9.SEE DETAIL SHEETS FOR ADDITIONAL DESIGN INFORMATION. 10.CONTRACTOR SHALL COORDINATE ANY NECESSARY TELEPHONE, CABLE, ELECTRIC, GAS, IRRIGATION, ECT. LOWERINGS (OR RE-ROUTING) WITH THE RESPECTIVE UTILITY PROVIDERS TO FACILITATE THE INSTALLATION OF THE PROPOSED STORM DRAIN AND UTILITY SERVICES. 11.THE CONTRACTOR SHALL, AT ALL TIMES DURING AND AFTER SYSTEM INSTALLATION, PREVENT SEDIMENT, DEBRIS, AND DIRT FROM ANY SOURCE FROM ENTERING THE PERMEABLE PAVEMENT SYSTEM. LOOSE MATERIALS SHALL NOT BE STORED ON THE PERMEABLE PAVEMENT AREA. MUD AND SEDIMENT-LADEN RUNOFF SHOULD BE KEPT AWAY FROM THE PAVEMENT AREA. TEMPORARILY DIVERT RUNOFF OR INSTALL SEDIMENT CONTROL MEASURES AS NECESSARY TO REDUCE THE AMOUNT OF SEDIMENT RUN-ON TO THE PAVEMENT. SURFACE PROTECTION COULD INCLUDE COVERING AREAS OF THE PAVEMENT, PROVIDING ALTERNATIVE CONSTRUCTION VEHICLE ACCESS, AND PROVIDING EDUCATION TO ALL PARTIES WORKING ONSITE. 12.PLEASE REFER TO THE EROSION CONTROL PLANS SHEETS AND REPORT FOR TEMPORARY CONTROL MEASURES AND CONSTRUCTION SEQUENCING THAT SHALL BE USED TO PREVENT LOADING OF THIS DRAINAGE FACILITY WITH SEDIMENT DURING CONSTRUCTION. 13.VAULT LAYOUT SHOWN IN THESE PLANS IS FOR REFERENCE ONLY. FINAL VAULT LAYOUT AND DESIGN SHALL BE PER MANUFACTURER. 14.CONTRACTOR TO COORDINATE ALL ROOF LEADERS WITH THE ARCHITECTURAL AND PLUMBING PLANS PRIOR TO CONSTRUCTION OR ORDERING OF MATERIAL. IF A CONFLICT EXISTS, CONTRACTOR TO CONTACT THE ARCHITECT AND ENGINEER. 15.BASE BID PAVERS SHALL BE DRENAMONTAGE BY BORGERT PRODUCTS. CONFIRM PAVER TYPE, COLOR, AND PATTERN WITH OWNER AND LANDSCAPE ARCHITECT PRIOR TO PURCHASING. 16.INSTALLATION OF PERMEABLE INTERLOCKING CONCRETE PAVEMENT (PICP) SYSTEM SHALL FOLLOW THE GUIDELINES OF ICPI TECH SPEC NO. 18 AND FULL ICPI SPECIFICATIONS. WORK SHALL BE PERFORMED BY A QUALIFIED CONTRACTOR. QUALIFIED CONTACTOR SHALL MEAN AN ICPI 'CERTIFIED PAVER INSTALLER' HOLDING A CURRENT PICP SPECIALIST DESIGNATION REV C7001-110-042DWG NO.1 OF 1SHEET1:40SCALEDWG SIZE A 3130 VERONA AVE BUFORD, GA 30518 PHN (770) 932-2443 FAX (770) 932-2490 www.nyloplast-us.com 8 IN - 30 IN TYPICAL INSTALLATION OPTIONS TITLE PROJECT NO./NAME MATERIAL DATE APPD BY 8-10-00DATE AWADRAWN BYTHIS PRINT DISCLOSES SUBJECT MATTER IN WHICH NYLOPLAST HAS PROPRIETARY RIGHTS. THE RECEIPT OR POSSESSION OF THIS PRINT DOES NOT CONFER, TRANSFER, OR LICENSE THE USE OF THE DESIGN OR TECHNICAL INFORMATION SHOWN HEREIN REPRODUCTION OF THIS PRINT OR ANY INFORMATION CONTAINED HEREIN, OR MANUFACTURE OF ANY ARTICLE HEREFROM, FOR THE DISCLOSURE TO OTHERS IS FORBIDDEN, EXCEPT BY SPECIFIC WRITTEN PERMISSION FROM NYLOPLAST. 8-10-00 CJA DU C T I L E I R O N DO N O T P O L L U T E D R A I N S T O W A T E R W A Y S NY L O P L A S T TSALPOLYN DUCTI LE I RON TSALP O LY N DUCTI L E IRON DU C T I L E I R O N DO N O T P O L L U T E D R A I N S T O W A T E R W A Y S NY L O P L A S T WHEN ARE DRAIN BASINS USED? 2808AG _ _ X 2810AG _ _ X 2812AG _ _ X 2815AG _ _ X 2818AG _ _ X 2824AG _ _ X 2830AG _ _ X WHEN ARE INLINE DRAINS USED? 2708AG _ _ X 2710AG _ _ X 2712AG _ _ X 2715AG _ _ X 2718AG _ _ X 2724AG _ _ X 2730AG _ _ X TYPICAL INSTALLATIONS TYPICAL INSTALLATION OF NYLOPLAST DRAIN BASIN AND INLINE DRAIN 1: TO ENTER AN EXISTING LINE USING A TEE & RISER 2: AT THE BEGINNING OF A DRAIN LINE USING AN ELBOW & RISER TEE ELBOW 12" DRAIN BASIN 2 INLET & OUTLET ADAPTERS CAN BE PUT ON ANY ANGLE 1: TO CHANGE ELEVATION 2: TO CHANGE PIPE DIAMETER 3: TO CHANGE PIPE TYPE 4: FOR SHALLOW APPLICATIONS 5: TO CHANGE DIRECTION A° RISER DRAIN BASIN INLINE DRAIN 10" INLINE DRAIN 10" INLINE DRAIN 3 VARIABLE ELEVATION WATERTIGHT ADAPTERS AVAILABLE FOR MOST COMMON PLASTIC PIPING SYSTEMS 8"6" CORRUGATED HDPE PIPE SMOOTH WALL PVC 1 - STRUCTURES & ADAPTERS AVAILABLE IN SIZES 8" - 30" 2 - ADAPTERS CAN BE MOUNTED ON ANY ANGLE 0° TO 360°, TO DETERMINE MINIMUM ANGLE BETWEEN ADAPTERS SEE DRAWING NO. 7001-110-012, 7001-110-013, & 7001-110-014 3 - DRAIN BASIN TO BE CUSTOM MANUFACTURED ACCORDING TO PLAN DETAILS RISERS ARE NEEDED FOR BASINS OVER 84" DUE TO SHIPPING RESTRICTIONS SEE DRAWING NO. 7001-110-065 007 TYPICAL BASIN INSTALLATION OPTIONS PERMEABLE PAVERS 006 STORMTECH CHAMBER DETAILS 001 PERMEABLE/IMPERMEABLE PAVER TRANSITION SECTION 002 PERMEABLE PAVER SECTION 008 IMPERMEABLE PAVER SECTION AC C E P T A B L E F I L L M A T E R I A L S : S T O R M T E C H S C - 1 6 0 L P C H A M B E R S Y S T E M S PL E A S E N O T E : 1. TH E L I S T E D A A S H T O D E S I G N A T I O N S A R E F O R G R A D A T I O N S O N L Y . T H E S T O N E M U S T A L S O B E C L E A N , C R U S H E D , A N G U L A R . F O R E X A M P L E , A S P E C I F I C A T I O N F O R # 4 S T O N E W O U L D S T A T E : " C L E A N , C R U S H E D , AN G U L A R N O . 4 ( A A S H T O M 4 3 ) S T O N E " . 2. ST O R M T E C H C O M P A C T I O N R E Q U I R E M E N T S A R E M E T F O R ' A ' L O C A T I O N M A T E R I A L S W H E N P L A C E D A N D C O M P A C T E D I N 6 " ( 1 5 0 m m ) ( M A X ) L I F T S U S I N G T W O F U L L C O V E R A G E S W I T H A V I B R A T O R Y C O M P A C T O R . 3. WH E R E I N F I L T R A T I O N S U R F A C E S M A Y B E C O M P R O M I S E D B Y C O M P A C T I O N , F O R S T A N D A R D D E S I G N L O A D C O N D I T I O N S , A F L A T S U R F A C E M A Y B E A C H I E V E D B Y R A K I N G O R D R A G G I N G W I T H O U T C O M P A C T I O N EQ U I P M E N T . F O R S P E C I A L L O A D D E S I G N S , C O N T A C T S T O R M T E C H F O R C O M P A C T I O N R E Q U I R E M E N T S . NO T E S : 1. SC - 1 6 0 L P C H A M B E R S S H A L L B E D E S I G N E D I N A C C O R D A N C E W I T H A S T M F 2 7 8 7 " S T A N D A R D P R A C T I C E F O R S T R U C T U R A L D E S I G N O F T H E R M O P L A S T I C C O R R U G A T E D W A L L S T O R M W A T E R C O L L E C T I O N CH A M B E R S " . 2. "A C C E P T A B L E F I L L M A T E R I A L S " T A B L E A B O V E P R O V I D E S M A T E R I A L L O C A T I O N S , D E S C R I P T I O N S , G R A D A T I O N S , A N D C O M P A C T I O N R E Q U I R E M E N T S F O R F O U N D A T I O N , E M B E D M E N T , A N D F I L L M A T E R I A L S . 3. TH E S I T E D E S I G N E N G I N E E R I S R E S P O N S I B L E F O R A S S E S S I N G T H E B E A R I N G R E S I S T A N C E ( A L L O W A B L E B E A R I N G C A P A C I T Y ) O F T H E S U B G R A D E S O I L S A N D T H E D E P T H O F F O U N D A T I O N S T O N E W I T H CO N S I D E R A T I O N F O R T H E R A N G E O F E X P E C T E D S O I L M O I S T U R E C O N D I T I O N S . 4. PE R I M E T E R S T O N E M U S T B E E X T E N D E D H O R I Z O N T A L L Y T O T H E E X C A V A T I O N W A L L F O R B O T H V E R T I C A L A N D S L O P E D E X C A V A T I O N W A L L S . 5. ON C E L A Y E R ' C ' I S P L A C E D , A N Y S O I L / M A T E R I A L C A N B E P L A C E D I N L A Y E R ' D ' U P T O T H E F I N I S H E D G R A D E . M O S T P A V E M E N T S U B B A S E S O I L S C A N B E U S E D T O R E P L A C E T H E M A T E R I A L R E Q U I R E M E N T S O F LA Y E R ' C ' O R ' D ' A T T H E S I T E D E S I G N E N G I N E E R ' S D I S C R E T I O N . MA T E R I A L L O C A T I O N DE S C R I P T I O N AA S H T O M A T E R I A L CL A S S I F I C A T I O N S CO M P A C T I O N / D E N S I T Y RE Q U I R E M E N T D FI N A L F I L L : FI L L M A T E R I A L F O R L A Y E R ' D ' S T A R T S FR O M T H E T O P O F T H E ' C ' L A Y E R T O T H E B O T T O M OF F L E X I B L E P A V E M E N T O R U N P A V E D F I N I S H E D GR A D E A B O V E . N O T E T H A T P A V E M E N T S U B B A S E MA Y B E P A R T O F T H E ' D ' L A Y E R AN Y S O I L / R O C K M A T E R I A L S , N A T I V E S O I L S , O R P E R EN G I N E E R ' S P L A N S . C H E C K P L A N S F O R P A V E M E N T SU B G R A D E R E Q U I R E M E N T S . N/ A PR E P A R E P E R S I T E D E S I G N E N G I N E E R ' S P L A N S . PA V E D I N S T A L L A T I O N S M A Y H A V E S T R I N G E N T MA T E R I A L A N D P R E P A R A T I O N R E Q U I R E M E N T S . C IN I T I A L F I L L : FI L L M A T E R I A L F O R L A Y E R ' C ' ST A R T S F R O M T H E T O P O F T H E E M B E D M E N T ST O N E ( ' B ' L A Y E R ) T O 1 4 " ( 3 5 5 m m ) A B O V E T H E TO P O F T H E C H A M B E R . N O T E T H A T P A V E M E N T SU B B A S E M A Y B E A P A R T O F T H E ' C ' L A Y E R . GR A N U L A R W E L L - G R A D E D S O I L / A G G R E G A T E M I X T U R E S , < 3 5 % FI N E S O R P R O C E S S E D A G G R E G A T E . M O S T P A V E M E N T S U B B A S E M A T E R I A L S C A N B E U S E D I N L I E U OF T H I S L A Y E R . AA S H T O M 1 4 5 ¹ A- 1 , A - 2 - 4 , A - 3 OR AA S H T O M 4 3 ¹ 3, 3 5 7 , 4 , 4 6 7 , 5 , 5 6 , 5 7 , 6 , 6 7 , 6 8 , 7 , 7 8 , 8 , 8 9 , 9, 1 0 BE G I N C O M P A C T I O N S A F T E R 1 2 " ( 3 0 0 m m ) O F MA T E R I A L O V E R T H E C H A M B E R S I S R E A C H E D . CO M P A C T A D D I T I O N A L L A Y E R S I N 6 " ( 1 5 0 m m ) M A X LI F T S T O A M I N . 9 5 % P R O C T O R D E N S I T Y F O R WE L L G R A D E D M A T E R I A L A N D 9 5 % R E L A T I V E DE N S I T Y F O R P R O C E S S E D A G G R E G A T E MA T E R I A L S . R O L L E R G R O S S V E H I C L E W E I G H T NO T T O E X C E E D 1 2 , 0 0 0 l b s ( 5 3 k N ) . D Y N A M I C FO R C E N O T T O E X C E E D 2 0 , 0 0 0 l b s ( 8 9 k N ) . B EM B E D M E N T S T O N E : FI L L S U R R O U N D I N G T H E CH A M B E R S F R O M T H E F O U N D A T I O N S T O N E ( ' A ' LA Y E R ) T O T H E ' C ' L A Y E R A B O V E . CL E A N , C R U S H E D , A N G U L A R S T O N E AA S H T O M 4 3 ¹ 3, 3 5 7 , 4 , 4 6 7 , 5 , 5 6 , 5 7 NO C O M P A C T I O N R E Q U I R E D . A FO U N D A T I O N S T O N E : F I L L B E L O W C H A M B E R S FR O M T H E S U B G R A D E U P T O T H E F O O T ( B O T T O M ) OF T H E C H A M B E R . CL E A N , C R U S H E D , A N G U L A R S T O N E AA S H T O M 4 3 ¹ 3, 3 5 7 , 4 , 4 6 7 , 5 , 5 6 , 5 7 PL A T E C O M P A C T O R R O L L T O A C H I E V E A F L A T SU R F A C E . ² ³ DCB *T O B O T T O M O F F L E X I B L E P A V E M E N T . F O R U N P A V E D IN S T A L L A T I O N S W H E R E R U T T I N G F R O M V E H I C L E S M A Y OC C U R , I N C R E A S E C O V E R T O 2 0 " ( 5 1 0 m m ) . PA V E M E N T L A Y E R ( D E S I G N E D BY S I T E D E S I G N E N G I N E E R ) SC - 1 6 0 L P EN D C A P PE R I M E T E R S T O N E (S E E N O T E 5 ) 14 " (3 5 0 m m ) MI N * 10 ' (3 . 0 m ) MA X 6" ( 1 5 0 m m ) MI N EX C A V A T I O N W A L L (C A N B E S L O P E D O R V E R T I C A L ) 12 " ( 3 0 0 m m ) M I N AD S G E O S Y N T H E T I C S 6 0 1 T N O N - W O V E N G E O T E X T I L E A L L A R O U N D CL E A N C R U S H E D , A N G U L A R S T O N E I N A & B L A Y E R S NO S P A C I N G R E Q U I R E D BE T W E E N C H A M B E R S 25 " (6 3 5 m m ) 12 " ( 3 0 0 m m ) MI N SI N G L E L A Y E R O F G E O G R I D B X 1 2 4 G G T O B E I N S T A L L E D BE T W E E N N O N W O V E N G E O T E X T I L E A N D B A S E S T O N E SU B G R A D E S O I L S (S E E N O T E 3 ) A DE P T H O F S T O N E T O B E D E T E R M I N E D BY S I T E D E S I G N E N G I N E E R 4 " ( 1 0 0 m m ) M I N WI T H G E O G R I D B X 1 2 4 G G 12 " (3 0 0 m m ) 70 INWOOD ROAD, SUITE 3 | ROCKY HILL | CT | 06067 860-529-8188 |888-892-2694 | WWW.STORMTECH.COM Detention Retention Water Quality SH E E T OF DATE: PROJECT #: DRAWN: CHECKED: THIS DRAWING HAS BEEN PREPARED BASED ON INFORMATION PROVIDED TO ADS UNDER THE DIRECTION OF THE SITE DESIGN ENGINEER OR OTHER PROJECT REPRESENTATIVE. THE SITE DESIGN ENGINEER SHALL REVIEW THIS DRAWING PRIOR TO CONSTRUCTION. IT IS THE ULTIMATE RESPONSIBILITY OF THE SITE DESIGN ENGINEER TO ENSURE THAT THE PRODUCT(S) DEPICTED AND ALL ASSOCIATED DETAILS MEET ALL APPLICABLE LAWS, REGULATIONS, AND PROJECT REQUIREMENTS. 4640 TRUEMAN BLVD HILLIARD, OH 43026 ADVANCED DRAINAGE SYSTEMS, INC. R IN S P E C T I O N & M A I N T E N A N C E ST E P 1 ) IN S P E C T I S O L A T O R R O W F O R S E D I M E N T A. IN S P E C T I O N P O R T S ( I F P R E S E N T ) A. 1 . RE M O V E / O P E N L I D O N N Y L O P L A S T I N L I N E D R A I N A. 2 . RE M O V E A N D C L E A N F L E X S T O R M F I L T E R I F I N S T A L L E D A. 3 . US I N G A F L A S H L I G H T A N D S T A D I A R O D , M E A S U R E D E P T H O F S E D I M E N T A N D R E C O R D O N M A I N T E N A N C E L O G A. 4 . LO W E R A C A M E R A I N T O I S O L A T O R R O W F O R V I S U A L I N S P E C T I O N O F S E D I M E N T L E V E L S ( O P T I O N A L ) A. 5 . IF S E D I M E N T I S A T , O R A B O V E , 3 " ( 8 0 m m ) P R O C E E D T O S T E P 2 . I F N O T , P R O C E E D T O S T E P 3 . B. AL L I S O L A T O R R O W S B. 1 . RE M O V E C O V E R F R O M S T R U C T U R E A T U P S T R E A M E N D O F I S O L A T O R R O W B. 2 . US I N G A F L A S H L I G H T , I N S P E C T D O W N T H E I S O L A T O R R O W T H R O U G H O U T L E T P I P E i) MI R R O R S O N P O L E S O R C A M E R A S M A Y B E U S E D T O A V O I D A C O N F I N E D S P A C E E N T R Y ii ) FO L L O W O S H A R E G U L A T I O N S F O R C O N F I N E D S P A C E E N T R Y I F E N T E R I N G M A N H O L E B. 3 . IF S E D I M E N T I S A T , O R A B O V E , 3 " ( 8 0 m m ) P R O C E E D T O S T E P 2 . I F N O T , P R O C E E D T O S T E P 3 . ST E P 2 ) CL E A N O U T I S O L A T O R R O W U S I N G T H E J E T V A C P R O C E S S A. A F I X E D C U L V E R T C L E A N I N G N O Z Z L E W I T H R E A R F A C I N G S P R E A D O F 4 5 " ( 1 . 1 m ) O R M O R E I S P R E F E R R E D B. AP P L Y M U L T I P L E P A S S E S O F J E T V A C U N T I L B A C K F L U S H W A T E R I S C L E A N C. VA C U U M S T R U C T U R E S U M P A S R E Q U I R E D ST E P 3 ) RE P L A C E A L L C O V E R S , G R A T E S , F I L T E R S , A N D L I D S ; R E C O R D O B S E R V A T I O N S A N D A C T I O N S . ST E P 4 ) IN S P E C T A N D C L E A N B A S I N S A N D M A N H O L E S U P S T R E A M O F T H E S T O R M T E C H S Y S T E M . NO T E S 1. IN S P E C T E V E R Y 6 M O N T H S D U R I N G T H E F I R S T Y E A R O F O P E R A T I O N . A D J U S T T H E I N S P E C T I O N I N T E R V A L B A S E D O N P R E V I O U S OB S E R V A T I O N S O F S E D I M E N T A C C U M U L A T I O N A N D H I G H W A T E R E L E V A T I O N S . 2. CO N D U C T J E T T I N G A N D V A C T O R I N G A N N U A L L Y O R W H E N I N S P E C T I O N S H O W S T H A T M A I N T E N A N C E I S N E C E S S A R Y . SU M P D E P T H T B D B Y SI T E D E S I G N E N G I N E E R (2 4 " [ 6 0 0 m m ] M I N R E C O M M E N D E D ) 8" ( 2 0 0 m m ) H D P E A C C E S S P I P E R E Q U I R E D US E 8 " O P E N E N D C A P PA R T # : S C 1 6 0 I E P P 0 8 TW O L A Y E R S O F A D S G E O S Y N T H E T I C S 3 1 5 W T K W O V E N GE O T E X T I L E B E T W E E N F O U N D A T I O N S T O N E A N D C H A M B E R S 4' ( 1 . 2 m ) M I N W I D E C O N T I N U O U S F A B R I C W I T H O U T S E A M S SC - 1 6 0 L P I S O L A T O R R O W D E T A I L NT S SC - 1 6 0 L P C H A M B E R SC - 1 6 0 L P E N D C A P OP T I O N A L I N S P E C T I O N P O R T CA T C H B A S I N OR MA N H O L E ST O R M T E C H H I G H L Y R E C O M M E N D S FL E X S T O R M P U R E I N S E R T S I N A N Y U P S T R E A M ST R U C T U R E S W I T H O P E N G R A T E S SC - 1 6 0 L P 6 " I N S P E C T I O N P O R T D E T A I L NT S CO N C R E T E C O L L A R PA V E M E N T SC - 1 6 0 L P C H A M B E R FL E X S T O R M C A T C H I T PA R T # 6 2 1 2 N Y F X WI T H U S E O F O P E N G R A T E 6" ( 1 5 0 m m ) I N S E R T A T E E PA R T # 6 P 2 6 F B S T I P * IN S E R T A T E E T O B E C E N T E R E D O N CO R R U G A T I O N C R E S T 6" ( 1 5 0 m m ) S D R 3 5 P I P E 12 " ( 3 0 0 m m ) N Y L O P L A S T I N L I N E DR A I N B O D Y W / S O L I D H I N G E D CO V E R O R G R A T E PA R T # 2 7 1 2 A G 6 I P * SO L I D C O V E R : 1 2 9 9 C G C * GR A T E : 1 2 9 9 C G S 18 " ( 4 5 0 m m ) M I N W I D T H CO N C R E T E S L A B 8" ( 2 0 0 m m ) M I N T H I C K N E S S CO N C R E T E C O L L A R N O T R E Q U I R E D FO R U N P A V E D A P P L I C A T I O N * T H E P A R T # 27 1 2 A G 6 I P K I T C A N B E US E D T O O R D E R A L L N E C E S S A R Y CO M P O N E N T S F O R A S O L I D L I D IN S P E C T I O N P O R T I N S T A L L A T I O N 70 INWOOD ROAD, SUITE 3 | ROCKY HILL | CT | 06067 860-529-8188 |888-892-2694 | WWW.STORMTECH.COM Detention Retention Water Quality SH E E T OF DATE: PROJECT #: DRAWN: CHECKED: THIS DRAWING HAS BEEN PREPARED BASED ON INFORMATION PROVIDED TO ADS UNDER THE DIRECTION OF THE SITE DESIGN ENGINEER OR OTHER PROJECT REPRESENTATIVE. THE SITE DESIGN ENGINEER SHALL REVIEW THIS DRAWING PRIOR TO CONSTRUCTION. IT IS THE ULTIMATE RESPONSIBILITY OF THE SITE DESIGN ENGINEER TO ENSURE THAT THE PRODUCT(S) DEPICTED AND ALL ASSOCIATED DETAILS MEET ALL APPLICABLE LAWS, REGULATIONS, AND PROJECT REQUIREMENTS. 4640 TRUEMAN BLVD HILLIARD, OH 43026 ADVANCED DRAINAGE SYSTEMS, INC. R 70 INWOOD ROAD, SUITE 3 | ROCKY HILL | CT | 06067 860-529-8188 |888-892-2694 | WWW.STORMTECH.COM Detention Retention Water Quality PA R T # ST U B A SC 1 6 0 E P P 6" ( 1 5 0 m m ) 0. 6 6 " ( 1 6 m m ) 8" ( 2 0 0 m m ) 0. 8 0 " ( 2 0 m m ) SC 1 6 0 E P P 0 8 8" ( 2 0 0 m m ) 0. 9 6 " ( 2 4 m m ) AL L S T U B S A R E P L A C E D A T B O T T O M O F E N D C A P S U C H T H A T T H E O U T S I D E DI A M E T E R O F T H E S T U B I S F L U S H W I T H T H E B O T T O M O F T H E E N D C A P . F O R AD D I T I O N A L I N F O R M A T I O N C O N T A C T S T O R M T E C H A T 1 - 8 8 8 - 8 9 2 - 2 6 9 4 . NO T E : A L L D I M E N S I O N S A R E N O M I N A L NO M I N A L C H A M B E R S P E C I F I C A T I O N S SI Z E ( W X H X I N S T A L L E D L E N G T H ) 25 . 0 " X 1 2 . 0 " X 8 5 . 4 " (6 3 5 m m X 3 0 5 m m X 2 1 6 9 m m ) CH A M B E R S T O R A G E 6. 8 5 C U B I C F E E T (0 . 1 9 m ³ ) MI N I M U M I N S T A L L E D S T O R A G E * 16 . 0 C U B I C F E E T (0 . 4 5 m ³ ) WE I G H T 24 . 0 l b s . (1 0 . 9 k g ) *A S S U M E S 6 " ( 1 5 2 m m ) A B O V E , 6 " ( 1 5 2 m m ) B E L O W , A N D S T O N E B E T W E E N C H A M B E R S W I T H 4 0 % S T O N E P O R O S I T Y . 25 . 0 " (6 3 5 m m ) 12 . 0 " (3 0 5 m m ) 90 . 7 " ( 2 3 0 4 m m ) A C T U A L L E N G T H 85 . 4 " ( 2 1 6 9 m m ) I N S T A L L E D L E N G T H OV E R L A P N E X T C H A M B E R H E R E (O V E R S M A L L C O R R U G A T I O N ) BU I L D R O W I N T H I S D I R E C T I O N ST A R T E N D SC - 1 6 0 L P T E C H N I C A L S P E C I F I C A T I O N NT S 4. 4 " (1 1 2 m m ) A 11 . 7 " (2 9 7 m m ) 18 . 6 " (4 7 2 m m ) UN D E R D R A I N D E T A I L NT S A A B B SE C T I O N A - A SE C T I O N B - B NU M B E R A N D S I Z E O F U N D E R D R A I N S P E R S I T E D E S I G N E N G I N E E R 4" ( 1 0 0 m m ) T Y P F O R S C - 3 1 0 & S C - 1 6 0 L P S Y S T E M S 6" ( 1 5 0 m m ) T Y P F O R S C - 7 4 0 , D C - 7 8 0 , M C - 3 5 0 0 & M C - 4 5 0 0 S Y S T E M S OU T L E T M A N I F O L D ST O R M T E C H EN D C A P ST O R M T E C H CH A M B E R S ST O R M T E C H CH A M B E R ST O R M T E C H EN D C A P DU A L W A L L PE R F O R A T E D HD P E UN D E R D R A I N AD S G E O S Y N T H E T I C S 6 0 1 T NO N - W O V E N G E O T E X T I L E AD S G E O S Y N T H E T I C S 6 0 1 T NO N - W O V E N G E O T E X T I L E FO U N D A T I O N S T O N E BE N E A T H C H A M B E R S FO U N D A T I O N S T O N E BE N E A T H C H A M B E R S IN T E N T I O N A L L Y LE F T B L A N K SH E E T OF DATE: PROJECT #: DRAWN: CHECKED: THIS DRAWING HAS BEEN PREPARED BASED ON INFORMATION PROVIDED TO ADS UNDER THE DIRECTION OF THE SITE DESIGN ENGINEER OR OTHER PROJECT REPRESENTATIVE. THE SITE DESIGN ENGINEER SHALL REVIEW THIS DRAWING PRIOR TO CONSTRUCTION. IT IS THE ULTIMATE RESPONSIBILITY OF THE SITE DESIGN ENGINEER TO ENSURE THAT THE PRODUCT(S) DEPICTED AND ALL ASSOCIATED DETAILS MEET ALL APPLICABLE LAWS, REGULATIONS, AND PROJECT REQUIREMENTS. 4640 TRUEMAN BLVD HILLIARD, OH 43026 ADVANCED DRAINAGE SYSTEMS, INC. R STORMTECH CHAMBER ISOLATOR ROW STORMTECH CHAMBER PVC PIPE BOOT005ROOF DRAIN CONNECTION PVC GEOMEMBRANE LINER NOTES: 1.THE PVC GEOMEMBRANE INSTALLER SHALL SUPPLY A DETAILED QA/QC MANUAL. 2.THE PVC MANUFACTURER OF THE ROLL GOODS FROM WHICH THE LINER IS FABRICATED MUST HAVE SUCCESSFULLY PRODUCED A MINIMUM OF 20,000,000 SQUARE FEET THAT MEETS THE CURRENT PVC GEOMEMBRANE INSTITUTE (PGI) SPECIFICATIONS. 3.THE PVC GEOMEMBRANE FABRICATOR SHALL HAVE ASSEMBLED A MINIMUM OF 2,000,000 SQUARE FEET FOR CONTAINMENT PURPOSES. THE FABRICATOR WILL PROVIDE THE MANUFACTURER'S CERTIFICATION THAT THE LINER MATERIAL MEETS THE MANUFACTURER'S SPECIFICATIONS. ADDITIONALLY, THE FABRICATOR, WITHIN A REASONABLE PERIOD OF TIME, WILL PROVIDE COPIES FOR THE FACTORY SEAMING TEST LOGS THAT ARE APPROPRIATE TO THE PANELS BEING SHIPPED TO THE JOB SITE. EACH PANEL SHOULD HAVE A HISTORY OF WHAT TESTS WERE PERFORMED AND WHAT THE TEST RESULTS WERE. 4.THE PVC GEOMEMBRANE INSTALLER SHALL HAVE INSTALLED A MINIMUM OF 1,000,000 SQUARE FEET OF PVC GEOMEMBRANE AND BE AN INTERNATIONAL ASSOCIATION OF GEOSYNTHETICS INSTALLERS (IAGI) MEMBER, AND SHALL BE AN IAGI APPROVED INSTALLATION CONTRACTOR (AIC). THE GEOMEMBRANE INSTALLER SHALL DESIGNATE A CERTIFIED WELDING TECHNICIAN. THE CERTIFIED WELDING TECHNICIAN SHALL BE PRESENT DURING ALL SEAMING OPERATIONS AND SHALL HOLD AN IAGI CERTIFIED WELDING TECHNICIAN (CWT) CERTIFICATION IN BOTH EXTRUSION WELDING AND FUSION WELDING. 5.PROPOSED PANEL LAYOUT PLACEMENT DRAWINGS WILL BE PROVIDED TO THE ENGINEER AND/OR THE OWNER BY THE INSTALLER PRIOR TO MATERIAL BEING DELIVERED TO THE JOB SITE. THE PROPOSED PANEL PLACEMENT SHOULD SHOW SEAM DIRECTION AND PANEL SIZES DRAWN TO SCALE. 6.FIELD WELDING SHALL BE PERFORMED IN ACCORDANCE WITH IAGI RECOMMENDATIONS. ONE HUNDRED PERCENT OF THE FIELD SEAMS ARE TO BE NON-DESTRUCTIVELY TESTED IN THE FIELD, AS ARE PATCHES AND APPURTENANCES. THE MOST COMMON TYPE OF NON-DESTRUCTIVE SEAM TESTING IS THE AIR LANCE TEST (ASTM D4437). THE TESTING OF SEAMS SHOULD BE WITNESSED BY A REPRESENTATIVE OF THE OWNER OR THE OWNER'S CONSTRUCTION QUALITY ASSURANCE REPRESENTATIVE. THE INSTALLER WILL BE ALLOWED TO CONTINUE AIR LANCE TESTING IF THE OWNER'S REPRESENTATIVE OR CONSTRUCTION QUALITY ASSURANCE REPRESENTATIVE DECLINES TO WITNESS THE TESTING SO LONG AS DETAILED RECORDS ARE KEPT AND SUPPLIED TO THE OWNER PRIOR TO COVERING THE LINER. 7.THE PVC GEOMEMBRANE INSTALLER SHALL MAINTAIN A LOG OF EACH DAY'S WORK. INCLUDED IN THE LOG WILL BE: ·DATE ·AMBIENT TEMPERATURE ·WEATHER CONDITIONS ·PANELS DEPLOYED ·FIELD SEAMS CONSTRUCTED ·SEAMING TECHNICIANS ·INSPECTIONS GEOMEMBRANE LINER / PENETRATION DETAIL004003 1 MI N O R A M E N D M E N T BR R 09 / 2 8 / 1 8 2 PA S E O D R A I N A G E R E V I S I O N BR R 10 / 0 3 / 1 9 RECORD DRAWING 1 FT. 0 IN. 3 IN. 2 FT. 0 IN. 1/4 IN. 6 IN. MIN. 6 IN. VARIES SEE PLAN TYPICAL PAVER SECTION REFER TO LANDSCAPE ARCHITECT DRAWINGS FOR DETAILS. DECORATIVE GRATE (RE: LANDSCAPE ARCHITECT) ANCHOR-18 IN. O.C. NO. 3 REBAR ANGLE GALVANIZED 3x2x3/8 IN. 1 IN . 1/4 IN.3 IN . SEE DETAIL "C" TYPICAL PAVER SECTION REFER TO LANDSCAPE ARCHITECT DRAWINGS FOR DETAILS B B BOTTOM OF TRENCH DRAIN FLOWLINE PLAN VIEW SECTION A-A SECTION B-B DETAIL "C" TOP OF GRATE FINISHED GRADE (SEE GRADING PLAN) A A 0.5% MIN. 1 3 2 4 0.5% MIN.0.5% MIN. Sheet UN I O N O N E L I Z A B E T H E N G I N E E R N G I E H T R O N R N FO R T C O L L I N S : 3 0 1 N o r t h H o w e s S t r e e t , S u i t e 1 0 0 , 8 0 5 2 1 GR E E L E Y : 8 2 0 8 t h S t r e e t , 8 0 6 3 1 97 0 . 2 2 1 . 4 1 5 8 no r t h e r n e n g i n e e r i n g . c o m of 20 3.9.18 14 C502 ST O R M W A T E R D E T A I L S CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOU DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER UTILITIES. CALL UTILITY NOTIFICATION CENTER OF COLORADO Know what'sbelow. before you dig.Call R 300 STORMWATER BEDDING 301 CURB, GUTTER AND SIDEWALK 303 ORIFICE PLATE (CONCRETE OUTLET STRUCTURE) ORIFICE OPENING (8.25" Ø, POND OUTLET) (6.75" Ø, BASIN A10 w/ ORIFICE CAP) PLATE CENTERED OVER PIPE OPENING IN WALL 12" Ø HOLES FOR 3 8" Ø EXPANSION BOLTS EMBEDDING 2" INTO CONCRETE WALL @ 6" O.C. MIN. 5 16" THICK GALVANIZED STEEL PLATE D D+4" D+4" ORIFICE INVERT SHALL MATCH PIPE INVERT 120° 90° 60° A SCREEN SLOT TABLE A B C D E F PIPE SIZE ROWS OF SLOTS SLOT LENGTH MAXIMUM SLOT WIDTH APPROX. SLOT/ROW PER FOOT APPROX. SLOT SPACING OPEN AREA PER FOOT 4"3 (MIN.) - 6 (MAX.)1.06"-1.50"0.032"14 1/2"-3/4"1.90-3.15 SQ. IN. NOTES: 1."SLOTTED HDPE" AND "PERFORATED HDPE" SHALL MEAN THE SAME THING WHEN REFERRING TO UNDERDRAINS IN THIS PLAN SET. 2.ALTERNATE SLOT DIMENSIONS AND PERFORATIONS REQUIRE EXPLICIT APPROVAL OF THE ENGINEER. 307 CONCRETE OUTLET STRUCTURE DETAIL "A" PLAN VIEW 302 METAL SIDEWALK CULVERT 304 5028.55 5029.55 5030.55 5033.66 4' 4' 12" N/A N/A N/A N/A CAD FILE NAME: DETAILS (MODIFIED) DRAWN BY:T. COX D46.dwg OUTLET STRUCTURE 8/15/05DATE DRAWN: CC A A 3'-6"Ls1' (MIN.)6" Ws 6" 6" VA R I E S VA R I E S 6" Ws / 2 Ws / 2 CENTERLINE OF OUTLET PIPE 2" LIP (TYP.) SECTION C-C SECTION A-A WELL SCREEN #4@12" #4@12" #4@18" #4@12" 6" Wo Wo INTO CONCRETE SIDES STEEL CHANNEL FORMED 3/8"x1" FLAT BAR HOLDING FRAME INTERMITTANT WELDS ON TOP AND SIDES STAINLESS STEEL ANCHOR BOLTS OR 3/8" ROUND OR TWISTED CROSS BAR BAR BEARING 1"x3/8" PLAN 3" CLR. TO FASTEN GRATE DOWN 3/8"x6" THREADED BOLT D 1 4 OR 3 4.ALL TRASH RACKS SHALL BE MOUNTED USING STAINLESS STEEL HARDWARE AND PROVIDED WITH HINGED AND LOCKABLE OR BOLTABLE ACCESS PANELS. 5.TRASH RACKS SHALL BE STAINLESS STEEL, ALUMINUM, OR STEEL. STEEL TRASH RACKS SHALL BE HOT DIP GALVANIZED AND MAY BE HOT POWDER PAINTED AFTER GALVANIZING. 3 1/2" x1 1/2" KEY OUTLET PIPE 4%4% CLR. 3" BAR #4 HOOP PIPE CONCRETE METAL OR LF LAP 12" #4@12" O.C. O.C. #4@12" CONCRETE SHALL BE CLASS B. MAY BE CAST-IN-PLACE OR PRECAST. GENERAL NOTES 1. 2. 3.STEPS SHALL BE PROVIDED WHEN VERTICAL DIMENSION EXCEEDS 3'-6" AND SHALL BE IN ACCORDANCE WITH AASHTO M 199. HAVE A MINIMUM 2" CLEARANCE. REINFORCING BARS SHALL BE EPOXY COATED AND DEFORMED, AND SHALL #4 DIAGONAL (TYP.) SECTION B-B ELEV. B ELEV. A ELEV. C WQ WATER QUALITY 100-YEAR OUTLET 9.5" Ø ORIFICE PLATE B B ELEV. A (POND INV.) ELEV. B ELEV. C SPILL ELEV. WQ HOLE DIA. # OF ROWS # OF COLUMNS SECTION LINE A-A (ARROWS POINT IN DIRECTION SECTION IS VIEWED) A A OPP.OPPOSITE CLR.CLEARANCE ABBREVIATIONS MINIMUM MAXIMUM ON CENTER DIAMETER TYPICAL WIDTH OF CONCRETE OPENING WIDTH OF PLATE NUMBER AT@ # Wp Wo TYP. DIA. O.C. MAX. MIN. LEGEND WATER QUALITYWQ DWQ INVERTINV. ELEVATIONELEV. 6" Ls Ws 6" LENGTH OF STRUCTURELs WIDTH OF STRUCTUREWs Wo (12" MIN.) STEEL OR EQUAL) (NOTE 5) TRASH RACK (U.S. FILTER STAINLESS WELL SCREEN NO. 93 STEEL OR EQUAL) (U.S. FILTER STAINLESS WELL SCREEN NO. 93 EQUAL) FILTER STAINLESS NO. 93 (U.S. WELL SCREEN STEEL OR DETAIL D-46LAST DATE REVISED:4/7/11 3/8"x6" THREADED BOLT TO FASTEN GRATE DOWN GRATE (TYP. OPP. SIDE) 2 1/4" FROM EDGE OF TO HOLD HINGE IN PLACE, 3/8"x6" BOLTS 12" O.C. TO COVER OPENING (FASTEN WITH 3/8"x6" 1/4" METAL PLATE TREADED BOLTS) TO GRATE, WITH TO GRATE, WITH (TYP. OPP. SIDE) GRATE (TYP. OPP. SIDE) 2 1/4" FROM EDGE OF TO HOLD HINGE IN PLACE, 3/8"x6" BOLTS 12" O.C. 1/4" PLATE, WELDED 1/4" PLATE, WELDED STORMWATER CONSTRUCTION DETAILS (970) 221-6700 P.O. BOX 580, FORT COLLINS, CO. 80522 CITY OF FORT COLLINS UTILITIES EXTERIOR WALL PRIVATE UNDERDRAIN BASIN 4" MIN EXTEND MIN. 6" INTO SUBGRADE 6" VARIES (REFER TO STORM DRAIN PLAN) INTEGRATED DUCTILE IRON FRAME & SOLID GRATE TO MATCH BASIN O.D. NOTES: 1 - GRATES/SOLID COVERS SHALL BE DUCTILE IRON PER ASTM A536 GRADE 70-50-05 2 - FRAMES SHALL BE DUCTILE IRON PER ASTM A536 GRADE 70-50-05 3 - DRAIN BASIN TO BE CUSTOM MANUFACTURED ACCORDING TO PLAN DETAILS SEE DRAWING NO. 7001-110-065 4 - PERFORATIONS SHOULD NOT BE ON OR WITHIN 1" OF ADAPTERS. 5 - HOLES SHOULD BE STAGGERED EVERY OTHER ROW, AS SHOWN. 6 - MIN. 90° SEPARATION BETWEEN HOLES (MAX. 4 HOLES PER ROW. 2" MIN Ø .375" MAX SIDE VIEW HOLE SIZE & LOCATION NTS ENLARGED TO SHOW DETAIL 6" THE BACKFILL MATERIAL SHALL BE CRUSHED STONE OR OTHER GRANULAR MATERIAL MEETING THE REQUIREMENTS OF CLASS II MATERIAL AS DEFINED IN ASTM D2321. BEDDING & BACKFILL FOR SURFACE DRAINAGE INLETS SHALL BE PLACED & COMPACTED UNIFORMLY IN ACCORDANCE WITH ASTM D2321. TRAFFIC LOADS: CONCRETE SLAB DIMENSIONS ARE FOR GUIDELINE PURPOSES ONLY. ACTUAL CONCRETE SLAB MUST BE DESIGNED TAKING INTO CONSIDERATION LOCAL SOIL CONDITIONS, TRAFFIC LOADING, & OTHER APPLICABLE DESIGN FACTORS. TOP 10" TO BE SOLID, WITHOUT PERFORATIONS 10" SOLID TOP NO PERFORATIONS WITHIN 1" OF ADAPTORS OPEN BOTTOM (NO BOTTOM CAP) 310 8" MIN. THICKNESS GUIDELINE 12" MIN WIDTH GUIDELINE SUBDRAIN TRASH RACK 51"x51" GRATING (3/8" ROUND OR TWISTED CROSS BARS AT 3" O.C., WELDED TO 1"x3/8" BEARING BARS AT 2 1/2" O.C.) SU B D R A I N PI P E I N REV B7004-110-007DWG NO.1 OF 1SHEET1:16SCALEDWG SIZE A 3130 VERONA AVE BUFORD, GA 30518 PHN (770) 932-2443 FAX (770) 932-2490 www.nyloplast-us.com DRAIN BASIN WITH OUTLET WEIR FOR STORMTECH TITLE PROJECT NO./NAME MATERIAL DATE APPD BY 10-28-03DATE EBCDRAWN BYTHIS PRINT DISCLOSES SUBJECT MATTER IN WHICH NYLOPLAST HAS PROPRIETARY RIGHTS. THE RECEIPT OR POSSESSION OF THIS PRINT DOES NOT CONFER, TRANSFER, OR LICENSE THE USE OF THE DESIGN OR TECHNICAL INFORMATION SHOWN HEREIN REPRODUCTION OF THIS PRINT OR ANY INFORMATION CONTAINED HEREIN, OR MANUFACTURE OF ANY ARTICLE HEREFROM, FOR THE DISCLOSURE TO OTHERS IS FORBIDDEN, EXCEPT BY SPECIFIC WRITTEN PERMISSION FROM NYLOPLAST. 10-28-03 CJA 4" - 24" INLET PIPE 3 OUTLET WEIR 18" - 30" DRAIN BASIN BODY 18" - 30" FRAME & SOLID COVER 1 2 6" - 24" OUTLET PIPE TO HEADER / MANIFOLD 12" - 24" OUTLET PIPE TO ISOLATOR ROW INLET PIPE 3 1 - INVERT ELEVATIONS & LOCATIONS TO BE DETERMINED BY ENGINEER 2 - HEIGHT OF WEIR TO BE DETERMINED BY ENGINEER 3 - WEIR CUSTOM MANUFACTURED WITH STAINLESS STEEL TO MEET OUTLET PIPE OPEN AREA SIDE SECTION VIEW TOP VIEW W/ FRAME & COVER REMOVED 311 STORMTECH VAULT BASIN w/ WEIR 4.25" ORIFICE OPENING 30" FRAME AND GRATE REMOVABLE OR FIXED OUTLET ORIFICE CAP 15" OUTLET 12" INLET 30" DRAIN BASIN BODY HDPE SUMP INSERT ADDED INTO BOTTOM OF STRUCTURE, UP TO INVERT ELEVATION. 305 DRAIN BASIN w/ OUTLET ORIFICE CAP 5029.53ELEV. 2 7 3/8" (L)1 3/8" 17 " 6" 3 3/8" 14 " FL R 16" R 16" DR I V E - O V E R C U R B , G U T T E R A N D D E T A C H E D S I D E W A L K 31 " Se e D r a w i n g 1 6 0 1 10 3/4"(L) R 16" DR I V E - O V E R C U R B , G U T T E R A N D A T T A C H E D S I D E W A L K 18 " 18 " 3 3/8" 1 3/8" 6" R 16" FL 14 " 6" 17 " 1 1 / 2 " 5' ( L ) 8 5/8" (F.C.) 7 1/4" F.C. 12" (F.C.) Sl o p e t o c u r b 1 / 4 " / F t . 1' m i n . ( F . C . ) 48 : 1 m i n . 4: 1 m a x . Ex c a v a t i o n Fi l l 1' m i n . 2' m i n . 1/ 4 " / F t . CU R B & G U T T E R I N A C U T O R F I L L 6" 3' - 9 " ( F . C . ) Fo r T h i c k n e s s 2' m i n . ( L ) DIMENSIONS FOR PERFORATED HDPE PIPE 308 TRENCH DRAIN ** ** COORDINATE GRATES WITH LANDSCAPE ARCHITECT 15" HDPED EXTEND MIN. 6" INTO SUBGRADE 8" VARIES (REFER TO STORM DRAIN PLAN) NOTES: 1 - GRATES/SOLID COVERS SHALL BE DUCTILE IRON PER ASTM A536 GRADE 70-50-05 2 - FRAMES SHALL BE DUCTILE IRON PER ASTM A536 GRADE 70-50-05 3 - DRAIN BASIN TO BE CUSTOM MANUFACTURED ACCORDING TO PLAN DETAILS SEE DRAWING NO. 7001-110-065 4 - PERFORATIONS SHOULD NOT BE ON OR WITHIN 1" OF ADAPTERS. 5 - HOLES SHOULD BE STAGGERED EVERY OTHER ROW, AS SHOWN. 6 - MIN. 90° SEPARATION BETWEEN HOLES (MAX. 4 HOLES PER ROW) 2" MIN Ø .375" MAX SIDE VIEW HOLE SIZE & LOCATION NTS ENLARGED TO SHOW DETAIL 6" THE BACKFILL MATERIAL SHALL BE CRUSHED STONE OR OTHER GRANULAR MATERIAL MEETING THE REQUIREMENTS OF CLASS II MATERIAL AS DEFINED IN ASTM D2321. BEDDING & BACKFILL FOR SURFACE DRAINAGE INLETS SHALL BE PLACED & COMPACTED UNIFORMLY IN ACCORDANCE WITH ASTM D2321. TOP 12" TO BE SOLID, WITHOUT PERFORATIONS 12" SOLID TOP NO PERFORATIONS WITHIN 1" OF ADAPTORS OPEN BOTTOM (NO BOTTOM CAP) NOTE: CONTRACTOR SHALL USE SQUARE COLLAR IN PERMEABLE PAVER AREAS. COLLAR SHALL BE ORIENTED WITH PAVERS SO AS TO REDUCE IRREGULAR CUTS OR PAVER SHAPES. TRAFFIC LOADS: CONCRETE SLAB DIMENSIONS ARE FOR GUIDELINE PURPOSES ONLY. ACTUAL CONCRETE SLAB MUST BE DESIGNED TAKING INTO CONSIDERATION LOCAL SOIL CONDITIONS, TRAFFIC LOADING, & OTHER APPLICABLE DESIGN FACTORS. 8" MIN. THICKNESS GUIDELINE 12" MIN WIDTH GUIDELINE NOTE: CONTRACTOR SHALL USE SQUARE COLLAR IN PERMEABLE PAVER AREAS. COLLAR SHALL BE ORIENTED WITH PAVERS SO AS TO REDUCE IRREGULAR CUTS OR PAVER SHAPES. PRIVATE UNDERDRAIN CLEANOUT BASIN309 306 PLANTER STORM DRAIN CONNECTION 0.5% MIN.VARIES CONNECT TO STORM DRAIN w/ TEE HDPE SWEEP ELBOW 2" HDPE PIPE PLANTER (RE: LANDSCAPE) 6"3 (MIN.) - 6 (MAX.)1.38"-1.90"0.032"14 1/2"-3/4"1.98-3.15 SQ. IN. A B C TRENCH DRAIN DETAIL DRAIN 1 5030.20 5029.22 5030.43 2 5030.11 5029.04 5029.96 3 5029.70 5028.72 5029.93 4 5029.45 5028.03 5029.46 2 2 PA S E O D R A I N A G E R E V I S I O N BR R 10 / 0 3 / 1 9 1 MI N O R A M E N D M E N T BR R 09 / 2 8 / 1 8 RECORD DRAWING Appendix E State Portal Documents This unofficial copy was downloaded on Apr-13-2020 from the City of Fort Collins Public Records Website: http://citydocs.fcgov.com For additional information or an official copy, please contact City of Fort Collins Utilities 700 Wood Street Fort Collins, CO 80524 USA This unofficial copy was downloaded on Apr-13-2020 from the City of Fort Collins Public Records Website: http://citydocs.fcgov.com For additional information or an official copy, please contact City of Fort Collins Utilities 700 Wood Street Fort Collins, CO 80524 USA 11/19 Page 8 XIV.Certification of Other Permanent BMPs A.The construction of other permanent BMPs not specifically addressed in this certification is in accordance with the approved plan. This may include grade control structures, rundowns, bridges, stream access/improvements, etc. Please specify other permanent BMPs included on this site: XV. Certification and Erosion Control Measures - FCSCM Ch. 3 A. All temporary erosion control measures shall be removed upon stabilization. If at the time of preparing this certification there are any erosion control measures still remaining on the site, please note them in the narrative and verify that they need to remain at this time. If in doubt as to the need for any control measure, please consult with the Erosion Control Inspector at erosion@fcgov.com. XVI.Statement of Compliance - FCSCM Ch. 3 A. This certification is signed and stamped. By signing this form, the engineer(s) attests that he/she has visited and observed the site, and to the best of his/her knowledge, the as-built conditions of the drainage facilities are as described in the above form and in the enclosed as-built plans. B.Failure to properly disclose all known information could result in the rejection of this certification and prevent the release of any and all Stormwater Utility permit holds on Building Permits and/or Certificates of Occupancy within this development. XVII. Signature and Stamp by a Colorado-Registered Professional Engineer Engineer’s contact information: Name: Email: Phone: Company: Address: PE Stamp SD SD SD FFE=30.90 MA I N T E N A N C E FFE=32.90 FFE=32.90 FFE=32.90 FFE=30.90 VA U L T A R E A SA N D F I L T E R AR E A PROPOSED OUTLET STRUCTURE (SEE DETAIL SHEET C502) PROPOSED SUBDRAIN (SEE SHEET C300) PROPOSED STORM DRAIN (SEE SHEET C301) 30.9 0 32.9 0 33.11 32.9 6 32.7 0 32.8 7 32.8 1 32.9 0 37.2 6 33.4 4 33.4 6 37.0 4 37.1 6 37 . 3 6 37.3 5 37.2 233.5 532.9 0 32.9 0 37.2 6 37.3 6 37.2 9 37.3 8 34.1 8 33.0 2 33.4 4 32.90 33.8 3 32.9 0 30.9 0 34.17 34.2 2 34.3 1 32.9 0 37.2 8 37.20 A A VAULT ACCESS RAMP @ 10% MAX (RE: ARCH) 33. 9 6 34.1 8 28.63 28.5328.5328.5 7 28. 7 5 28. 7 2 28.7 2 33.7 833.45 28.8 3 0.5% 0.5%0.5% 0.5% 0. 9 % 0. 5 % 0. 5 % 0. 5 % 1. 7 % 1. 4 % 1. 5 % 13.2% 2.4% 0.5% 2.0% 2.0% 2.0%0.5% 6. 5 % 0. 5 % 0. 5 % 0. 5 % 0. 7 % 0.5% 8. 1 % 8. 3 % 8. 2 % 0. 5 % 0. 3 % 1.6% 0.5% 0. 5 % 0.5% 2.0% 2.0% 0. 5 % 0.5% 33.4 4 33.36 28. 5 228.5 228 . 5 5 30.9 0 28.64 33.1 9 33.1 9 33.1 1 33.0 2 33.1 1 33.0 4 CONCRETE WALL PENETRATION SEE NOTES #13 & #14 37.20 32.9 0 37 . 1 8 2.6% 33.4 0 33.54 33.5 0 0. 5 % 8' EMERGENCY OVERFLOW WEIR (ELEV.=5033.66)33.66 TOP CIP 33.0 1 2.0%0.5% 0.5% 32.79 0. 6 % 0.5% 0.5% 32.9 6 0.5% 0. 5 % BB 31.80 TOP CIP 34.20 TOP CIP 34.20 TOP CIP 31.80 TOP CIP 34.20 TOP CIP 34.20 TOP CIP 34.20 TOP CIP 33.4 0 33.4 0 33.66 TOP CIP33.3 5 33.4 4 33.8 3 0. 5 % 0. 5 % ACCESS GATE (RE: ARCH) 28.6 5 28 . 5 5 39.5 9 39.5 7 39.5 5 39.5 7 39.5 9 36.9 8 36.2 7 34.0 9 33.3 8 34.1 5 36.3 3 36.3 3 34.1 5 37.2 0 6.5%6.5% 0.5% LIMIT OF SLAB-ON-GRADE (RE: ARCH) 34.20 TOP CIP 34.20 TOP CIP 28.7028.7 2 28.68 31.82 34.18 28.82 34.18 34.18 28.63 28.59 28 . 5 8 28 . 5 4 28.53 31.80 28. 6 5 34.18 34.18 34.18 32.96 32.94 32.70 32.94 33.63 33.63 34.18 5033.63 NOTE: - REFER TO STRUCTURAL PLANS FOR ADDITIONAL VAULT INFORMATION - ALL LOCATIONS WHERE ROOF DRAIN DISCHARGES INTO SAND FILTER SHALL DISCHARGE ONTO A DIFFUSION BAFFLE 22' WIDE SAND FILTER 7' - 4" WIDE DETENTION VAULT TOP OF WALL EL.=5031.80 4" CONCRETE SLAB PEA GRAVEL (DEPTH VARIES - TOP OF MATERIAL = 5029.00) CDOT CLASS C FILTER MATERIAL (18" DEPTH)4" THICK CONCRETE SLAB MIN. RAMP ELEV. = 5033.35 100-YR WSEL = 5032.37 4" PERFORATED HDPE SUBDRAIN OUTLET STRUCTURE INV. = 5028.53 TOP OF CAST-IN-PLACE EL.=5034.20 TOP OF FILTER MATERIAL = 5030.50 1.9' ROOF DRAIN INLET PIPE (TYP.) DIFFUSION BAFFLE (SEE DETAIL) 8' EMERGENCY OVERFLOW WEIR TOP OF WALL EL.=5031.80 EMERGENCY SPILL OPENING = 5033.66 APPROXIMATE GARAGE SLAB 100-YR WSEL = 5032.37 TOP OF CAST-IN-PLACE EL.=5034.20 30' TOP OF CAST-IN-PLACE EL.=5034.20 TOP OF CAST-IN-PLACE EL.=5034.20 ACCESS GATE (RE: ARCH) TOP OF CAST-IN-PLACE EL.=5034.20 ACCESS RAMP @ 10% MAX (RE: ARCH) 4" PERFORATED HDPE SUBDRAIN 12" 12" 12" STAINLESS STEEL ANCHOR BOLTS OR INTERMITTENT WELDS ON TOP AND SIDES WELL SCREEN NO. 93 (U.S. FILTER STAINLESS STEEL OR EQUAL) FASTEN TO CONCRETE WITH 3/8"x6" THREADED BOLTS STAINLESS STEEL ANGLE BAR FRAME Sheet UN I O N O N E L I Z A B E T H E N G I N E E R N G I E H T R O N R N FO R T C O L L I N S : 3 0 1 N o r t h H o w e s S t r e e t , S u i t e 1 0 0 , 8 0 5 2 1 GR E E L E Y : 8 2 0 8 t h S t r e e t , 8 0 6 3 1 97 0 . 2 2 1 . 4 1 5 8 no r t h e r n e n g i n e e r i n g . c o m of 20 3.9.18 C401 DE T A I L E D G R A D I N G P L A N CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOU DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER UTILITIES. CALL UTILITY NOTIFICATION CENTER OF COLORADO Know what'sbelow. before you dig.Call R NORTH ( IN FEET ) 1 inch = ft. Feet01010 10 20 30 8 LEGEND: PROPOSED CONTOUR EXISTING CONTOUR PROPERTY BOUNDARY PROPOSED SPOT ELEVATION 33.43 PROPOSED SLOPES 1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN UNDERGROUND UTILITIES. 2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS, UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION. 3.ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE FINISHED GRADE ELEVATIONS. 4.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM NAVD88. SEE COVER SHEET FOR BENCHMARK REFERENCES. 5.THE BOTTOM OF MASONRY SHALL GENERALLY FOLLOW FINISHED GRADES. THERE SHALL BE A MAXIMUM OF 12" EXPOSED CONCRETE BETWEEN THE FINISHED GRADE AND ALL MASONRY. 6.THE CONTRACTOR IS RESPONSIBLE FOR FIELD LOCATING AND VERIFYING ELEVATIONS OF ALL CURBS AND GUTTERS AT THE POINTS OF CONNECTION SHOWN ON THE PLANS PRIOR TO INSTALLING ANY OF THE NEW IMPROVEMENTS. IF A CONFLICT EXISTS AND/OR A DESIGN MODIFICATION IS REQUIRED, THE CONTRACTOR SHALL COORDINATE WITH THE ENGINEER TO MODIFY THE DESIGN. 7.ADD 5000-FT TO PROPOSED CONTOURS, SPOT ELEVATIONS, AND FFE LABELS, WHERE TRUNCATED. 8.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED ARCHITECTURAL AND LANDSCAPE ARCHITECTURE DRAWINGS FOR ALL STEPS, RAMPS, LANDSCAPING WALLS, SEATWALLS, RAILINGS, AND PLANTERS. 9.CONTRACTOR SHALL CONFIRM AND COORDINATE WITH STAMPED STRUCTURAL DRAWINGS FOR ELEVATIONS AND GRADE CONDITIONS ALONG BUILDING PERIMETER. NOTIFY OWNER, ARCHITECT, AND ENGINEER(S) OF ANY DISCREPANCIES PRIOR TO MOBILIZATION. 10.THE LOWEST FLOOR (INCLUDING ANY BASEMENT OR CRAWL SPACE) AND ALL HVAC EQUIPMENT SHALL BE FLOOD PROTECTED ABOVE THE REGULATORY FLOOD PROTECTION ELEVATION. 11.A FLOODPLAIN USE PERMIT SHALL BE REQUIRED FOR EACH SITE CONSTRUCTION ELEMENT IN THE FLOODPLAIN, INCLUDING BUILDING. THE FLOODPLAIN USE PERMIT FOR THE BUILDING WILL BE APPROVED AT THE TIME OF BUILDING PERMIT APPLICATION. 12.SEE THE FLOODPLAIN EXHIBIT (SHEET C800) FOR ADDITIONAL INFORMATION REGARDING WORK WITHIN THE FLOODPLAIN AND FLOODWAY. 13.ALL PIPE PENETRATIONS THROUGH CONCRETE WALLS SHALL HAVE WATERTIGHT SEAL. 14.REFER TO STRUCTURAL PLANS FOR CONCRETE WATER-PROOFING TREATMENT REQUIREMENTS IN DETENTION VAULT. NOTES: 2.0% (47.45 ) EXISTING SPOT ELEVATION PROPOSED STORM PROPOSED VERTICAL CURB AND GUTTER PROPOSED SWALE 100-YR FLOODPLAIN (PER CSU CLOMR) 100-YR FLOODWAY (PER CSU CLOMR) PARKING GARAGE GRADING DETAIL SCALE: 1" = 10' SECTION A-A SECTION B-B DETENTION VAULT DETAIL NOT TO SCALE DIFFUSION BAFFLE DETAIL NOT TO SCALE RECORD DRAWING Stormwater Facility Name: Facility Location & Jurisdiction: User (Input) Watershed Characteristics User Defined User Defined User Defined User Defined Watershed Slope =0.015 ft/ft Stage [ft]Area [ft^2]Stage [ft]Discharge [cfs] Watershed Length-to-Width Ratio =1.10 L:W 0.00 0 0.00 0.00 Watershed Area =0.97 acres 2.00 1,277 2.00 3.60 Watershed Imperviousness =90.0%percent 3.00 1,277 3.00 4.50 Percentage Hydrologic Soil Group A =percent 4.00 1,277 4.00 5.20 Percentage Hydrologic Soil Group B =percent Percentage Hydrologic Soil Groups C/D =100.0%percent User Input: Detention Basin Characteristics WQCV Design Drain Time =12.00 hours After completing and printing this worksheet to a pdf, go to: https://maperture.digitaldataservices.com/gvh/?viewer=cswdif, create a new stormwater facility, and attach the pdf of this worksheet to that record. Routed Hydrograph Results Design Storm Return Period =WQCV 2 Year 5 Year 10 Year 25 Year 50 Year 100 Year Two-Hour Rainfall Depth =0.53 0.98 1.36 1.71 2.31 2.91 3.67 in Calculated Runoff Volume =0.026 0.071 0.102 0.131 0.182 0.233 0.300 acre-ft OPTIONAL Override Runoff Volume =acre-ft Inflow Hydrograph Volume =0.025 0.070 0.101 0.131 0.182 0.233 0.299 acre-ft Time to Drain 97% of Inflow Volume =1 1 1 1 1 1 1 hours Time to Drain 99% of Inflow Volume =1 1 1 1 1 1 1 hours Maximum Ponding Depth =0.36 0.90 1.23 1.52 1.96 2.52 3.32 ft Maximum Ponded Area =0.005 0.013 0.018 0.022 0.029 0.029 0.029 acres Maximum Volume Stored =0.001 0.006 0.011 0.017 0.028 0.044 0.068 acre-ft Stormwater Detention and Infiltration Design Data Sheet Project #:1252-005 Concrete Vault Detention Union on Elizabeth - Fort Collins Workbook Protected Worksheet Protected Stormwater Detention and Infiltration Design CRS Spdsht-ConcVault.xlsm, Design Data 4/14/2020, 9:24 AM Doing_Clear_Formatting =Yes CountA=1 0 1 2 3 #N/A #N/A 0 1 2 3 #N/A #N/A Check Data Set 1 Check Data Set 1 Stormwater Detention and Infiltration Design Data Sheet Area Discharge 0 1 2 3 4 5 6 7 8 9 0.1 1 10 FL O W [ c f s ] TIME [hr] 100YR IN 100YR OUT 50YR IN 50YR OUT 25YR IN 25YR OUT 10YR IN 10YR OUT 5YR IN 5YR OUT 2YR IN 2YR OUT WQCV IN WQCV OUT 0 0.5 1 1.5 2 2.5 3 3.5 0.1 1 10 100 PO N D I N G D E P T H [ f t ] DRAIN TIME [hr] 100YR 50YR 25YR 10YR 5YR 2YR WQCV Stormwater Detention and Infiltration Design CRS Spdsht-ConcVault.xlsm, Design Data 4/14/2020, 9:24 AM Stormwater Facility Name: Facility Location & Jurisdiction: User (Input) Watershed Characteristics User Defined User Defined User Defined User Defined Watershed Slope =0.008 ft/ft Stage [ft]Area [ft^2]Stage [ft]Discharge [cfs] Watershed Length-to-Width Ratio =2.80 L:W 0.00 0 0.00 0.00 Watershed Area =0.61 acres 0.75 5,136 0.75 0.45 Watershed Imperviousness =64.9%percent 1.50 5,137 1.50 0.63 Percentage Hydrologic Soil Group A =0.0%percent 2.00 5,138 2.00 0.73 Percentage Hydrologic Soil Group B =0.0%percent Percentage Hydrologic Soil Groups C/D =100.0%percent User Input: Detention Basin Characteristics WQCV Design Drain Time =12.00 hours After completing and printing this worksheet to a pdf, go to: https://maperture.digitaldataservices.com/gvh/?viewer=cswdif, create a new stormwater facility, and attach the pdf of this worksheet to that record. Routed Hydrograph Results Design Storm Return Period =WQCV 2 Year 5 Year 10 Year 25 Year 50 Year 100 Year Two-Hour Rainfall Depth =0.53 0.98 1.36 1.71 2.31 2.91 3.67 in Calculated Runoff Volume =0.010 0.031 0.049 0.066 0.097 0.127 0.167 acre-ft OPTIONAL Override Runoff Volume =acre-ft Inflow Hydrograph Volume =0.010 0.031 0.049 0.066 0.097 0.127 0.167 acre-ft Time to Drain 97% of Inflow Volume =2 2 3 3 4 4 5 hours Time to Drain 99% of Inflow Volume =2 3 3 3 4 5 5 hours Maximum Ponding Depth =0.18 0.40 0.53 0.65 0.83 1.01 1.28 ft Maximum Ponded Area =0.028 0.062 0.083 0.102 0.118 0.118 0.118 acres Maximum Volume Stored =0.002 0.012 0.022 0.033 0.053 0.075 0.106 acre-ft Workbook Protected Worksheet Protected Stormwater Detention and Infiltration Design Data Sheet Project #:1252-005 Paver Detention (Chamber System) Union on Elizabeth - Fort Collins Stormwater Detention and Infiltration Design CRS Spdsht-Pavers.xlsm, Design Data 4/14/2020, 9:31 AM Doing_Clear_Formatting =Yes CountA=1 0 1 2 3 #N/A #N/A 0 1 2 3 #N/A #N/A Check Data Set 1 Check Data Set 1 Area Discharge Stormwater Detention and Infiltration Design Data Sheet 0 0.5 1 1.5 2 2.5 3 3.5 0.1 1 10 FL O W [ c f s ] TIME [hr] 100YR IN 100YR OUT 50YR IN 50YR OUT 25YR IN 25YR OUT 10YR IN 10YR OUT 5YR IN 5YR OUT 2YR IN 2YR OUT WQCV IN WQCV OUT 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0.1 1 10 100 PO N D I N G D E P T H [ f t ] DRAIN TIME [hr] 100YR 50YR 25YR 10YR 5YR 2YR WQCV Stormwater Detention and Infiltration Design CRS Spdsht-Pavers.xlsm, Design Data 4/14/2020, 9:31 AM