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HomeMy WebLinkAboutSite Certifications - 04/11/2016i' Ppproucd 0/1-7 wL F,�rt� Collins COMMERCIAL, MULTI -FAMILY AND SUBDIVISION CERTIFICATION FORM & CHECKLIST (Overall Site Drainage) (Project Name) 04/11/16 (Date) (For Commercial or Multi -family, please list any applicable building permit numbers) Please fill in all applicable items in this Certification Form for Commercial, Multi -Family and Overall Single Family sites. A copy of the approved grading plan must be submitted with the as -built grading plan. (It is preferred to have the as -built elevations written in red next to the approved elevations) Use "OK" for items checked or actual numbers for items verified/surveyed in the field. OK does not necessarily indicate conformance with the design, only that the as -built information was obtained. See the Engineer's report for issues of conformance. Use "N/A" for items that are not applicable to the site that is being certified. Note: N/O = Not Observed. Please provide an As -Built Redlined or Mylar drawing showing the following: A. Detention, Drainage Facilities. and Common Open Spaces 1. Pond Certification Provide Topographic Records (grading certification with as —built spot elevations) and Volume Verification Calculations. Show both the proposed and as -built elevations on the same plan sheet. OK Provide Pond Cross -Sections and Spot Elevations (especially @ Pond Embankment and Pond Flow Line) OK Positive Fall to Pan (if applicable) OK General Pond Grading including all Side -Slopes OK Invert Elevation OK Forebay Construction and Elevation N/A Spillway Weir (Location, Elevation, Height, Opening Width) OK Placement and size of riprap or alternative permanent erosion control measures OK —N O Orifice Plate and/or Water Quality Outlet Structure Installation OK Water Quality Capture Volume (Volume Required, Volume Provided and Water Surface Elevation) OK Berm and Embankment Compaction Level OK Subsurface Media for Water Quality Ponds and Swales N O 12/12/2014 Revision — Page 1 of 5 2. Swales Location (are they within easement?) OK Dimension and Cross -Section Verification OK Longitudinal Slopes and Side -Slopes OK Spot Elevations OK Permanent Erosion Control Measures (drop structures N/A. riprap OK, lining N 0) Tie-in to Storm Lines, Pans, Curbs, or other appurtenances OK Required Minimum Freeboard, Provided Freeboard OK Landscaping Infringement on Flow Line? N O 3. Pioes Size and Type OK Slopes (As -Built and comparison to 0.4% Minimum) OK Pipe Capacity Calculations (if slopes are significantly altered from design) N/A Invert Elevations OK Installation and Backfill N O Cover N 0 Encasement and Clearance from other nearby utility lines N O Joints Type and construction N O 4. Concrete Pan Channels Size OK Slope OK Cross Section OK Thickness N 0 Elevations OK �t Collins �r 12/12/2014 Revision — Page 2 of 5 5. Inlets Size and Type OK Size of Opening (or name of Standard Detail used) OK Grate Elevation OK Invert Elevation OK Box Size OK 6. Street Cross -Pans Size OK Type OK Grade OK Elevations OK Cross -Sectional Depth OK Tie-in to Curb and Gutter OK 7. Culverts Size OK Type OK Invert Elevations OK Headwalls or Wing Walls OK 8. Sub -Drains Size N O Type (Perforated/Solid) N O Cover N O BacKII N O Geo-Textile Liners N O Clean -Outs N 0 of City Collins 12/12/2014 Revision — Page 3 of 5 P,C" of Collins 9. Curb Cuts Size OK Tie-in to Swale, Pipe or other appurtenances OK 10. Common Open Spaces Overall grading contours of open spaces OK Spot elevations adjacent to private lots (property corners) OK B. Low Impact Development (LID) Certification Not Applicable 1. LID Technioue Specific Checklists (see attached) Permeable Interlocking Concrete Pavers (complete if technique utilized on site) N/A Bioretention Cells (complete if technique utilized on site) N/A C. Grading Certification Not Applicable 1. Certification of Grade Elevations Minimum Opening Elevations Top of Foundation Elevations Comparison to 100-year Water Service Elevations Comparison to Freeboard Elevations and Base Floodplain Elevations — BFE 2. Verification of Site Grading Engineer to evaluate site grading compliance with the approved grading plan. OK As -built elevations are to be redlined onto the approved grading plan sheet showing the as -built spot elevations next to the design spot elevations so compliance can be verified and documented. OK 12/12/2014 Revision — Page 4 of 5 City of F6rt Collins D. Post -Construction Site Cleanup Not Observed 1. Permanent BMP Measures Construction Debris Clean -Up (In particular debris affecting the drainage) Smoothing of Ruts in all Construction Areas Reseeding of all Areas Affected by Construction Activities (Usually enforced by the City's Erosion Control Inspector but the engineer certifying the site needs to notify the contractor if areas are not seeded) E. Statement of Compliance This certification is signed and stamped and by signing this form the Engineer attests that both he and personnel acting under his direct charge have inspected the site and that to the best of his knowledge the as -built conditions of the drainage facilities are as described in the above form, and in the attached report and in the As - Built plans enclosed. 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. F. Signature and Stamp by a Colorado Registered Professional Engineer Engineer's contact information: Gary T. Whitt, PE CivilArts, Inc. gwhittCdcivilarts.us 1500 Kansas Ave, Suite 2E 303-682-1131 Longmont, C080501 pJ it 11, 201<v`"� 12/12/2014 Revision — Page 5 of 5 Ctty of F",C`�� Construction Inspection Checklist for Permeable Interlocking Concrete Pavers Item/Activity Yes I No I N/A I Documentation/Submittal Requirements Excavation Post -excavation infiltration rates are consistent with design infiltration capacity (for "full or partial infiltration" designs) Impermeable Liner Im rtneable liner meets design specifications Impermeable liner attached to concrete perimeter wall Impermeable liner is not exposed Any Penetrations of the impermeable liner have been scaled and checked for water -tightness. Concrete Cut -Off Wall Meets Specifications for: - Dimensions - Reinforcement - Footings Underdrain System Underdrain pipe is per design specifications At least one cleanout is provided per underdrain lateral Cleanout pipe is not perforated Cleanouts covers are installed and watertight Underdrain is NOT wrapped in geotextile fabric Underdrain orifice plate installed at outlet structure Underdrain integrity tested after backfilling using TV and/or water test Aggregate Base coarse (e.. #2/4) has 90% fractured faces Bedding coarse e.. #89 is thoroughly washed Subbase materials are installed and compacted according to manufacturer specifications Protection During Construction 12/122014 Revision — Page 1 of PICP area is protected from construction site sediment, including runoff from the upstream catchment and construction equipment traffic. Close Out Upstream catchment is stabilized prior to diverting runoff into PICP system of F&t� �r 12/122014 Revision —Page 2 of 2 Construction Inspection Checklist for Bioretention Cells Item/Activity Yes I No I N/A Documentation/Submittal Requirements Excavation Heavy equipment did not travel over bioretention cell during excavation Bottom of cell was "ripped" after excavation Photograph before/after "ripping". Bottom of cell is flat and level Photograph Excavated area is protected/surrounded by sediment/runoff control BMPs during construction Photograph Inlet Inlet invert elevation is at least 3 inches above containment wall/berm Measure/record distance between inlet and top of containment wall/berm Upstream catchment drains to inlet Fore ay Forebay is installed according to design specifications Forebay has flat, concrete bottom Outlet Structure/Overflow Outlet structure/overflow elevation is confirmed Measure/record distance from overflow to top of media filter Impermeable Liner Impermeable liner meets design specifications Impermeable liner allached to concrete perimeter wall Impermeable liner is not exposed Underdrain System Underdrain pipe is per design specifications At least one cleanout is provided per underdrain lateral Cleanout pipe is not perforated Cleanouts covers are installed and watertight Underdrain is NOT wrapped in geotextile fabric Underdrain orifice plate installed at outlet structure Underdrain integrity tested after backfilling using TV and/or water test 12/122014 Revision —Page 1 of Cltyof For�.tl� Filter Media Filter media composition is per design specifications Filter media was "machine mixed" by supplier prior to delivery Filter media installed flat and level Other Structural Com onents Containment wall/berm is continuous and level Land sca in Final landscaping does NOT include sod Final landscaping wood/rock mulch is flat and level Vegetation is planted according to landscape design specifications Verify that weed barrier is not installed Temporary irrigation installed If N/A, then verify that permanent irrigation is installed to establish/maintain vegetation Close Out Upstream catchment stabilized prior to diverting runoff into bioretention cell 12/122014 Revision — Page 2 of 2 Bella Vira in Fort Collins, Colorado Overall Site Drainage Certification Engineer's Report of Issues of Conformance Prepared for: Richmond American Homes 4350 S. Monaco St. Denver, CO 80237 -- Prepared by. CIVILARTS 1500 Kansas Ave., Suite 2-E Longmont, Colorado 80501 303-682-1131 April 24, 2015 First Revision April 26, 2016 Second Revision December 16, 2016 Overall Site Drainage Certification Engineer's Report of Issues of Conformance Detention Ponds Detention Pond #1 is generally built in conformance with the design plan with the following exceptions and comments: 1) The approved Plans did not anticipate wingwalls for the outlet structures which were subsequently requested by the City in May, 2015. These walls have been constructed in substantial conformance with the shop drawings issued by this office as far as we can ascertain by an as -built survey of the above ground portion of the walls. The dirt backfill required by these walls has affected the volumes reported previously in that the volume of dirt backfill required has diminished water volumes at all levels. 2) The I00-year volume is achieved at water surface elevation 5122.83 (5122.08 Plan). The Plan anticipates 6" of freeboard between the 100-year water surface and the top of the ----- - — —outlet structure.-With.the-top of the outlet structure at 5122.54 it is 3-1/2" lower than the 100 year; volume. The most likely reason for the deficiency is the fact that the bottom of -_ ' -- = °• '-the-pond is; between 2" and 3" too high, the top of the outlet box is slightly low, and the - -- .wingwall-backfill has significantly diminished this volume. The volume at 5122.54 is approximately 62,687 cu. ft. (69,696 cu. ft. Plan). _ -- -- _---_---:3)'. Pond Cross Sections and Spot Elevations are shown on Detail Sheets 7 and 4 respectively. 4) There is no pan in Pond #1. --=-5)--The pond grading and side slopes are in general conformance with the plan, the design side slopes being 4.25:1 and the as constructed side slopes averaging 4.5:1. The invert elevation of the pond as shown on as -built Sheet 48 of 50 is approximately 3" higher than plan consistent with the bottom of the pond being slightly high. 6) There is no Forebay. 7) The spillway weir is significantly different than the plan, but the plan itself is significantly flawed in this regard. The detail on Sheet 48 of 50 of the plan indicates a one foot drop in 4 feet either side of a 24-foot wide weir planned at elevation 5123.25. The Drainage Report anticipates a minimum 0.75 foot rise from where the weir begins to operate at elevation 5123.25 to the computed outflow elevation of 5124.0. This weir has a pedestrian trail overlaid per the approved design plan. The 4:1 slope for a pedestrian trail is not in conformance with ADA and Fair Housing requirements and the sidewalk was built per the Final Grading plan (Sheet 13 of 50) per the instructive notes on the plan. In the remediation plan of May, 2015, the owner agreed to raise the sidewalk at the southeasterly corner of the Pond to an elevation of 5124.25 in order to better obtain the required freeboard and not have the Pond spill in areas other than the spillway. This has been accomplished the lowest elevation reported herein being 5124.24. The weir was -2- / Overall Site Drainage Certification Engineer's Report of Issues of Conformance . reconstructed in June, 2015. It was planned to have a 12:1 weir slope for the 1-foot drop in compliance with ADA. This did not happen. After the sidewalk was re -constructed the low point of the weir continues to be built higher than plan (the low point being 5123.84 and much shallower (approximately 5-6" vs. 1.0 foot) and being approximately 22.6 feet wide (24 feet -Plan). As a result, the capacity of the overflow weir is better, but still less than the computed outflow rate presented in Table A.11.2 of the approved Final Drainage Report. The riprap installation was staked per the remediation plan of May, 2015 to encompass the entire width of the spillway to the toe of the slope of the Regional Detention Pond. The rip -rap was buried at the time of survey as -built and its extent and depth have not been confirmed. Spillway weir elevations are as shown on Detail Sheet 7. 8) As stated above the placement of the riprap was staked to cover the entire spillway but has not been confirmed. _ . ° 9) The orifice plate.ofthe-Water Quality Outlet Structure and the Structure itself are built in - - — - -- relative lygood-conformance with the design. See Sheet 48 of 50 for the details. —10) The Water.Quality Volume as constructed is 10,020 cu. ft. at elevation of 5119.36. -- Water-Quality:Volume is supposed to be 10,020 cu. ft. per the drainage report. --14) The=Berm and Embankment Compaction Levels are conforming based on test results provided by the Developer and performed by CTL Thompson on January 29, 2015. 12) The.instaIlation of.the Subsurface Media for the Ponds and Swales was_not observed. -- - _ - Detention Pond #2 is generally -built in conformance with the design plan with the following exceptions: _ .. 1) The approved Plans did not anticipate wingwalls for the outlet structures which were _ subsequently requested by the City in May, 2015. These walls have been constructed in substantial conformance with the shop drawings issued by this office as far as we can ascertain by an as -built survey of the above ground portion of the walls. The dirt backfill required by these walls has affected the volumes reported previously in that the volume of dirt backfill required has diminished water volumes at all levels. 2) The 100-year volume is achieved at water surface elevation 5122.56 (5122.22 Plan). The Plan anticipates 6" of freeboard between the 100-year water surface and the top of the outlet structure whereas the as constructed freeboard is approximately 3/4". The most likely reason for the deficiency is the fact that the wingwalls and dirt backfill were not anticipated and the top of the outlet box is slightly low. 3) Pond Cross Sections and Spot Elevations are shown on Detail Sheets 8 and 3 respectively. 4) There is no pan in Pond #2. 3- Overall Site Drainage Certification Engineer's Report of Issues of Conformance 5) The pond grading and side slopes are in general conformance with the plan, the design side slopes being 4.25:1 and the as constructed side slopes averaging 4:1. 6) The invert elevation of the pond is approximately 3" higher than plan. 7) There is no Forebay. 8) The spillway weir is significantly different than the plan. The detail on Sheet 48 of 50 of the plan indicates a one foot drop in 4 feet either side of a 24-foot wide weir planned at elevation 5123.5. The constructed low point of the weir is at elevation 5122.95 and therefore the outlet structure (elevation 5122.62) will now operate before the emergency overflow does. The outlet structure should perform as planned. The weir is 29.1 feet wide between an elevation of 5123.22 and 5123.68 and below. It rises 0.91 feet in 5.8 feet of width on the north side and rises 1.10 feet in 19.4 feet of width on the south side (or 0.37 feet in the south 11.3 feet). Additional material was recently placed on the previously deficient embankment areas to an elevation of between 5124.0 and 5124.6. - - — - --- Spillway weir elevations are as shown on Detail Sheet 8. 9)__The-rip-rap located at and below the weir is now buried and was not observed. I0)-The orifice -plate-of.the Water Quality Outlet Structure and the Structure itself are built in _relatively good conformance with the design. See Sheet 48 of 50 for the details. - - 11) The Water Quality Volume as constructed is 2,113 cu. ft. to the as -built water quality elevation-of_5118:21- This.exceeds the volume computed from the Plan contours at 1,160 cu.-ft. and the volume from the Drainage Report at 1,260 cu. ft. 12) The.Berm and Embankment Compaction Levels are conforming based on test results provided by the Developer and performed by CTL Thompson on February 2, 2015. - - 13) The installation of the Subsurface Media for the Ponds and Swales was not observed. -4- Overall Site Drainage Certification Engineer's Report of Issues of Conformance Detention Pond #3 is generally built in conformance with the design plan with the following exceptions: 1) The approved Plans did not anticipate wingwalls for the outlet structures which were subsequently requested by the City in May, 2015. These walls have been constructed in substantial conformance with the shop drawings issued by this office as far as we can ascertain by an as -built survey of the above ground portion of the walls. The dirt backfill required by these walls has affected the volumes reported previously in that the volume of dirt backfill required has diminished water volumes at all levels. 2) The 100-year volume is achieved at water surface elevation 5136.07 (5136.00 Plan). The Plan anticipates 6" of freeboard between the 100-year water surface and the top of the outlet structure — the as constructed freeboard is approximately 6". 3) Pond Cross Sections and Spot Elevations are shown on Detail Sheets 9 and 5, respectively. 4) ..There is a concrete pan in Pond #3. See Concrete Pan Channels below. - 5)-=The•pond-grading and side slopes are in general conformance with the plan, the design _..-......,. .. ,- : side slopes being 4.2:1 and the as constructed side slopes averaging 4.4:1. - = 6) The invert elevation of the pond is correct as constructed. 7) There is no Forebay. —�- _ ___8) --The. spillway_weir is significantly different than the plan, but the plan itself is significantly flawed in this regard. The detail on Sheet 48 of 50 of the plan indicates a -one-foot-drop�in 4 feef either side of a 20-foot wide weir planned at elevation 5137.5. :This weir has a.pedestrian trail overlaid per the approved design plan. The 4:1 slope for a -pedestrian.trail is not in conformance with ADA and Fair Housing requirements and the sidewalk was staked but not precisely built per the Final Grading plan (Sheet 13 of 50) per the instructive notes on the plan. In April 2015, the owner agreed to rebuild the weir with a one -foot drop in 12 feet either side if a 20-foot weir. As constructed, the weir is somewhat deficient. It drops 0.6-0.7 feet in 12 feet each side of an 18.0-foot weir. The lowest elevation is 5137.62 feet (planned to be 5137.5 feet). Spillway weir elevations are as shown on Detail Sheet 9. 9) The riprap installed at the weir is buried and was not observed. 10) The orifice plate of the Water Quality Outlet Structure and the Structure itself are built in relatively good conformance with the design. See Sheet 48 of 50 for the details. 11) The Water Quality Volume as constructed is 4,320 cu. ft.at elevation of 5134.15. The Water Quality Volume per the Plan contours is 4,320 cu. ft. and the volume from the Drainage Report at 4,010 cu. ft. The Water Quality Volume as constructed is 4,320 cu. ft. which is the more conservative of the two volumes. 5- Overall Site Drainage Certification Engineer's Report of Issues of Conformance 12) The Berm and Embankment Compaction Levels are conforming based on test results provided by the Developer on January 29, 2015. 13) The installation of the Subsurface Media for the Ponds and Swales was not observed. Swales In general, there are no standard details for the swale construction in the design plans (except on Sheet 50 of 50 in Erosion Control, Details and this detail was not used for design purposes) and therefore our analysis relies upon the contours shown on the Final Grading Plan Sheets 11-13 of 50. The location of all the major swales fall in the platted Tracts which are all Drainage Easements and therefore the locations are good. The remainder of the discussion is particular to each swale. -_Swale.#1 has a trapezo idal. shape which has an approximate 4.5' to 5' flat bottom per the _- —_ design and 8'.to-V as -constructed. The average depth is 1.5' to 2' by design and 1' to 2' as built. The side slopes are designed to be 3.5:1, the longitudinal slopes vary widely from approximately 1% to 3% and averaging 2%. As -constructed the side slopes vary between 3:1 and 6:1 and are for the most part 4.5:1. The as -constructed longitudinal slopes vary from 1 % to 3% and average 1.9%. Despite the variances, this swale will function more or less per the design. Swale #2 has a V_shape and discharges into Pond #3. The average depth is 2.5' to 3' by design and the same as -built. The side slopes are designed to be 4:1, the design of the longitudinal slopes vary widely from approximately -.04% to +1.5% and averages approximately 1 %. As -constructed the side slopes are approximately 4:1, the longitudinal slope is 1.47%. A utility trench at the rear of the lots has disturbed the grading where the swale enters Pond #3 upstream of the trickle pan. This area needs to be remediated to provide a smooth transition of the swale to the end of the pan. Swale #3 has a V-shape. The average depth is approximately 2.5 feet by design and more or less the same as built. The side slopes are designed to be 4:1, the longitudinal slopes vary widely from approximately 2.5% to 5% and averaging 3%. As -constructed the side slopes vary from 4:1 to 10:1, the longitudinal slopes vary from approximately 1.5% to 7% and average 3.5%. The downstream end of the swale as it enters the westerly side of Storm Line 2 falls into the culverts at 3:1 in the last 6'. The swale has some silt accumulation in the lower approximately 175' prior to the final 6' before the culverts. The swale should be re- graded to provide a consistent longitudinal slope or the upstream end of the culverts should be armored with riprap. Otherwise the swale should function more or less per design. -6- M Overall Site Drainage Certification Engineer's Report of Issues of Conformance Swale #4 has a V-shape. The average depth is 1.0' by design and as built. The side slopes vary and are designed to be 3.5:1 to 4:1, the longitudinal slopes vary widely from approximately 2.5% to 5% and averaging 3.5%. As -constructed the side slopes are 3.5:1 to 4.5:1, the longitudinal slopes vary from approximately 2% to 4.5% and average 3.0%. This swale conforms more or less to the design from its upper reaches to the area right before Storm Line 4 where it varies considerably from the design. At this point it opens to the bank of culverts further south than designed and had riprap installed on the southerly bank to deflect the drainage flows northeasterly toward the culverts. The swale running along the northerly edge of the riprap has been regraded and the riprap is no longer visible (buried?). There is also an unnamed Swale running along the southerly side of Block 2 as discussed _ .__......._. _ _.. ..below -which intersects this area. As recommend, riprap was extended up the northwesterly slope of Swale 4 and is now in general conformance Swale #5 has a V-shape. The average depth varies from 1.5' to 3' by design and - — approximately the -same as built. The side slopes vary and are designed to be 3.5:1 to 4:1, the _- =: • _-_----:- _ -- ' longitudinal slopes vary widely from approximately 1 % to 4% and averaging 2%. As - constructed the side slopes vary widely between 2:1 to 6:1. The longitudinal slopes vary - from-approximately-2-.0% to 6.6% and average 2.8%. Despite the variances, this swale will function more or less per the design. Swale #6 has a V-shape and discharge into Pond #2. The average depth is approximately 5' __ -_-by--design and:the:same.as built. The side slopes are designed to be 4:1, the longitudinal slopes are designed at an average of a bit less than 3%. As -constructed the side slopes are also approximately 4:1,-the longitudinal slopes vary from approximately 2% to 4.5% (one short section of 7.5% as shown on the Detail Sheet and average 3%. There is an unnamed Swale parallel to the southerly side of the trail running along the southerly side of Block 2. It is not part of the design but is not detrimental to the design. There is an unnamed swale lying northerly of West Elizabeth north of the area into Bella Vita Drive which is part of the design grading. This swale actually lies on, the adjoining property by design. The average depth is approximately 2' by design and the same as measured from the northerly side. The side slopes are designed to be 3.5:1, the longitudinal slopes vary widely from approximately 2.5% to 6% and averaging 4%. As -constructed the side slopes . are also approximately 4:1 on the northerly side but the berm which supposed to be built between West Elizabeth and the southerly side of the swale is missing leaving very minimal side slopes on the south side of the swale. The longitudinal slopes vary from approximately 1.5% to 4.5% and average 3%. K Overall Site Drainage Certification Engineer's Report of Issues of Conformance EM The Storm Sewer pipes are shown on the Storm Sewer Utility As-Builts submitted to the Utility Engineering Department. The pipes are all correct for size and type. The slopes vary slightly from design in all cases generally with greater slopes except Storm Lines 7 & 9 which are lesser slopes. Storm Line 9 is little affected. Storm Line 7 has barely enough capacity as -built but enough is enough. The invert elevations are in substantial conformance with the design or relatively so where slightly higher or lower which affects the slopes as discussed above. Installation, Backfll, Cover, Encasement and Joint Types were not observed by Civil Arts. Concrete Pan Channels There is only one concrete pan in Detention Pond #3. It is the correct width, substantially correct longitudinal slope and generally correct cross-section. We did not observe its thickness. The pan is built at substantially the correct elevation. Inlets -_ - -The inlets are all -the correct size except Inlets 4, 5 & 6. Inlets 4 & 5 are I inlet larger than design for each location. The size of Inlet 6 is not specified on the approved plan but is drawn as 1 FC inlet in the CAD and is constructed as 2 inlets. The types are all correct. The grates and =- - --- --- their openings are built:per_the standard detail shown on Sheet 49 of 50. The grate and invert - elevations are.shown on the Utility As-Builts submitted to the Utility Engineering Department - and are all the grates are at or slightly lower than design which is acceptable. The inverts are all in substantial conformance with the design (inverts in running slightly higher than design and inverts out slightly lower except Storm Line 2 which is slightly higher as a rule than design but the relative elevations are acceptable. The boxes appear to be Fort Collins Standard based on the information supplied in the plans. Street Cross -Pans Street Cross pans are built in general conformance with the design as shown on Detail Sheet 6. -8- Overall Site Drainage Certification Engineer's Report of Issues of Conformance Culverts There is one small culvert at the far south west end of the site which is the correct size and type. The invert elevations are exactly built to plan. Sub -drains Refer to the Utility As-builts for underdrain information. Curb Cuts The curb cuts and sidewalk culverts are built in substantial conformance with the details shown on Sheets 49 & 50 of 50 except as noted below. The concrete part of the structures are built in " _substantial conformance with the design as far as elevations go except that the back of the _ sidewalk culvert on West Elizabeth going into Pond #1 has an opening of only 7". -9- QL Ylla na"eY X. aY .0 1 xr0. I wwa wre Nn, aSWA!��x."" 1 r» CIVIL `RTS, INC.'R ,- ¢ x OUR AS-BUILTS R --� • O.a.�� 1Rlla lwLl< I r� •R. atM r7,r♦A 101rFIrYa[� IRS. R..""1 w•L, RAW AIR r� r n xp% w_ ^we X*W _ - p Y.T.pby Aa Rt• 0 AM 1 ,(I,-.IY was AM / A / � Y A Il` �YI �i Ma WAIF / RAW rr N , S f / / LOT 12 \ A Rwr w / TF-5141.8 \) A $tt \` i RIR•Fy7 L07 13 vr•wwW �� rrt2►Y3 \ TF-5143.7 / O1/26 201.5 �yy�wwr•m_ T ✓ \ A. TM '4'.da.•1- L07 5 I. 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N= ai:xe"ISTM1Y xs ppm xp �a a x as �, e1wAe itaay - I. m � URLItt AS-BUILTS FqL _ I 41Ni a,,,a I. R N w a a�� q� U R S H NLE _ J _ A. .� tl' 1F-n�w4L Am, p q xl , rt .�aaA, x r xwn rum 6 8 R ,[ xe O -a aU aw R ran wwa r R.,1 mx�� xawrw. 1+e1+ - ♦ 4i-��yy.°lQ. f14 ' \ _ Yrra 6 x �e Yrr wr • 'frl' n. ^ 1��1 I q�14� w.O x41rY / '...R �r xr r aYw n '� a44 su'm x sti >•p. ' Iryi34 w IRA .....I.._ ._'_ .Y t L \\.. xRMA aN1VJe _ 4 iiln r 36 ors ... a NDET 11 •. Laos - A I WALE 4 ORM ULV - 4 Lt.. 15' ADS O 1.0% NV.IN (NW)-5189.80 ✓ NV.OUT (SE)-5169.58 ✓ I LEGEND ONSTRUCT N BARRIER FENCE THE AS -BUILT INFORMATION SHORN ON THIS RECORD I HEREBY CERTIFY THAT THE AS -BUILT INFORMATION SHORN DRAINAGE BASIN ID DRAWING ACCURATELY PRESENTS DATA FROM FIELD HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE - - - - PROPERTY LINE p ��pp SILT FENCE SF SURVEYS PERFORMED BY CIVIL ARTS, INC. ON 4/14/14, UNDER MY RESPONSIBLE CHARGE. a MOI 1/16/15, 1/23/15. 1/26/15, 2/2/15. AND 7/24/2015. S7 EXIST STORM LINE 100-YEAR RUNOFF EX. SILT FENCE PROP STORM DRAIN LINE COEFFICIENT VEHICLE TRACKING /J/), ""1 // �'. PROP BUILDING OUTLINE BASIN AREA (ACRES) CONTROL PAD VrC INLET PROTECTION IF 0 30' 40' SO. F 1 - -3 SUB -BASIN DELINEATION 3 APRIL 11, 2Q1(y MRIL 11, 2016 � DRAINAGE DESIGN POINT CURB SOCN CS NOTES: DIRECTION OF FLOW 1. ALL STORM INLETS ARE COMBO INLETS'NETH STRAW WATTLE SW 3362 NEENAH VANE ORATES. leM SELL nESICN KEY MAP ETA ��IIIIIIIII SUMMARY OF DEVELOPED RUNOFF DRAINAGE AREA DESIGN POINT RUNOFF 2q•r, ch 10C.- cla 1 1 0.93 423 1,07 Rt 1.3C 4.45 2 2 1.53 5.89 2,0d.04 R2 4.15 I1.65 3 3 tail 5,83 34 R3 2,75 6.90 4 4 1.97 9.15 5 5 0,82 3.59 5,U2 R5 2.65 8129 N 6 2.53 11.10 7 7 2.02 13.47 7.9.10 R7 5,54 25.39 8 8 0659 2,65 1,34,813 RB 3.36 22.77 0 9 1,18 SA 91O R9 2.84 1176 10 10 1.37 BA7 11 11 0.48 2.14 2.11. D.1,04,0.5 Rt! 4.47 19,87 12 12 0.74 3.7R 0,12 R12 2.92 13.54 13 13 1 18 5.23 13 a, 130-7 P,1.1 224 16D7 14a 1" 0.09 1 4.02 7.910.14e R14e 593 28.96 wb t4e 057 3.1A 56.7.9, 101214a.1M. 15.16. 18.'9 RIM II." St 81 15 15 1.20 5.51 16,16 PIS 2.36 11.00 IB IB t30 S.OA 17 17 0.71 3.09 2.11, 170.5, 4.O-5,0.6 Pi 5.28 n23 11.17 R17 Na Na IB 16 O.14 3.24 19 19 0.83 3.0 20 20 in 4.71 21A 21a 0.30 1.34 21b 21b 1.6. 7.21 n 22 0.17 o,76 23 23 0.18 A89 24 24 148 6.64 Ota2,23.2426 P,2A 2.58 11.19 25 25 0.55 2.40 26 26 2,01 8.78 21b.25 R26 No 14.61 27 17 a." 2.17 25.27 R27 0.82 3.77 28 28 0.1] 0.58 29 29 0.06 0.26 21r.21b.28,28 R29 3,55 UL12 01 OD 1.05 4.67 02 02 1.06 8.12 03 03 125 5.88 OA(poVa 3) 04(paMe 31 1a5 5.w 05(p9Rda 2) OSlponde 2l 0.67 2.92 OB(pp9Ea 1) 061ppnde p 0.00 1.R4 07 07 0.03 0.12 TO 30 0.25 120 31 31 0.2.1 1.10 CRy of Fort Collins, Colorado UTILITY PLAN Approval AroxovcD: cxacNEp nl cx4cxpD n: cRc,aD my: px6bNaD4Y. CIRCxCDaY: M1n W 4s.�IHn ew cxecxae R: crccxap R x.« k' 0 CALL UTILITY NDTIFICATON CENTER OF COLORADO 1.800-922-1987 or 534-6700 .opal v.,r.«..0 0 J 0 0 U Zcc O � O O/y cc •4r Q Z J Lu W O Z O 0U Q 2 5 Z S O n t,v ,an4ct 4pnvla,on GD AYta 24V IW b A Gaa nY, cumnNn gasigrud HEW CA"kod HHF Data 12-07-07 Ravinion Project 2427 18 OF 50 LOT 12' TF-5141,5 CIVIL ARTS, INC. AS-BUILTS 01/23/2015 07/24/2015 THE AS -BUILT INFORMATION SHOWN ON THIS RECORD DRAWING ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS, INC. ON 4/14/14• 11/16/14, 1/15/15. 1/23/15, 1/26/15. 7/9/15. AND 7/24/1s. A#wat APRIL 11. 2015 1 HEREBY CERTIFY THAT THE AS -BUILT INFORMATION SHOWN HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE UNDER MY RESPONSIBLE CHARGE APRIL 11. 2016 4 1. .1Anp, A PmI. yi Ca4n. f0 pMN b.: Yfi W 3.nJ CALL UTILITY NCWIG41ION CENTER OF COLORADO 1-800A22.1087 or 534a700 .... O U zz O O W OLL Q WU V J ¢� W m QO Z� O O � a k a z f z x O " .h.CT .�...... '-!iEE SIEET DETAILS ( I I ' / ' City U IL Fort Collins,NA Colorado o \ 1 UTILITY PLAN Approval nNo c°: av c.w:-, n.. LEGEND DRAINAGE BASIN ID CONSTRUCTION BARRIER FENCE c ecNroeT: CAD/11, PROPERTY LINE SILT FENCE $F IN. 'An I. °r1 .. °U„ cu — — — — cx.cw:Prv: ST EXIST STORM LINE YEAR RUNOFF E%. SILT FENCE w..L.M..Ixr. mN P'mgr rd EMS/SGS COEFFICIENT °Xec„ep rv' CArokrd EM5/SGS PROP s�.,....:.sv STORM GRAIN UNE VEHICLE TRACKING c Dplr 12-07-07 BASIN AREA (ACRES) CONTROL PAD 1RC we„ER rv: PROP BUILDING OUTLINE O p• ,� B0• Recision � INLET PROTECTION IP cxrcRER rv: I SUB -BASIN DELINEATION � ® Er,. w. � °•a PrPjret If N2T DRAINAGE DESIGN POINT SCALE - 1• � 40• DIRECTION OF FLOW CURB SOCK IS c„..AE°.Y: NOTES: .,,,"�..aa rN... 1. ALL STORM INLETS ARE COMBO INLETS WITH ° ... „,N..: °°' 19 OF PROP AREA INLET STRAW WATTLE SW 3382 NEENAH VANE GRATES. °,,, 50 0, NOTES: 1. ALL STORM INLETS ARE COMBO INLETS WITH 3362 NEENAH VANE GRATES. LEGEND — — — PROPERTY LINE ST EXIST STORM LINE PROP STORM DRAIN LINE PROP BUILDING OUTLINE SUB -BASIN DELINEATION DIRECTION OF FLOW PROP AREA INLET 4 DRAINAGE BASIN ID 4b U1 FEAR RUNOFF COEFFICIENT BASIN AREA (ACRES) DRAINAGE DESIGN PONT CONSTRUCTION BARRIER FENCE SILT FENCE SF EX. SLT FENCE VEHICLE TRACKING VTC CONTROL PAD 0 20' 40' BO' INLET PROTECTION IP SCALE - 1' - b' CURB SOCK STRAW WATTLE CIVIL ARTS, INC. AS-BUILTS 01/26/2015 07/24/2015 THE AS -BUILT ]INFORMATION 940M ON THIS RECORD DRAWING ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY GIVE. ARTS, INC. ON 1/29/15 AND 7/24/15. 4#_Alt '. APRIL 11, 2016 I HEREBY CERTIFY THAT THE AS -BUILT INFORMATION SHOWN HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE UNDER MY RESPONSIBLE f APfl APRIL 11, 2016 FORT COLLINS -LOVELAND WATER DISTRICT SOUR FORT COLLINS SANITATION DISTRICT SIT. Nlirhm D. DTuM , M.,cr D:: IETertY Fardl, P.E, Otanct E*F Dr_ All hmge3.MhaA,m[, uWWu&. rs and modiGaGwr n0eAN dr+ CMmuYh+ryd I1H 16eim C.D.Lortiad W'Mn Uup m111e SOW. Fatfai:y SpfWun Jurn: PLEASANT VALLEY AND LAKE CANAL COMPANY Approval Block REVEWEO BY THE PLEASANT VALLEY AND LANE CANAL COMPANY ON THIS _DAY OF ES_ THIS PLAT HAS BEEN SIGNED BY THE PLEASANT VALLEY AND LANE CANAL COMPANY. BUT THAN SHALL NOT MEAN R APPROVES THE ENOpEEAR O. SURVEYING. OEMON, CONSTRUCTION. OR OTHER PROFESSIONAL WORK THE "ATURES N EAN ONLY THAT THE COMPANY HAS SEEN THE SHEETS, SIGNED. AND COOPERATED WTIH THE OWNER IN PROVIDING INFORM ITIO N. THE OWNER AND THE PROFESNOKUJI ITHAS EMPLOYED ARE SOLEL I RESPONS®LE FOR THE END RESULT. City of Fort CoMm. Colorado UTILITY PLAN Approval u. eWH... R.. CMCxEO ST: w. aN w. cxwNeon: .N.. DBT: er r aF m CxrcNePRY: cxECNEner: P�4 AN, A. M cxecloo BY: Enrtr�WlY�r EM N P BY; j "0 1mWreyr AWAi4eM. Enpvu.riry, t a A-. rwl cH:.N cmev m: I- r,a Wp eTD AAA au k A 0 CALL UMIh NOTIFICATION CENTER OF COLORADO 1-800-922.1987 or 534-6700 A.N... HNMrN _A, va��,.rou�.a OtaLgntd EMS/SGS CAecktd EMS/SCS Date 12-07-07 Revision Project / I427 20 OF 50 SHEET — DETAIL 7 WAR, AFAR V1 E XI EIr•NJ RIi- 1 R i we M,Y�Ejyl3 x Meta-JI lO R Xg L- l.A. _ 11� p RJR 4 as Xa X�'• AAARRA Xia++. I w of RM x.e� •� M • • p MAC ..i x IiRNi• xs• SWALE 4 a p - -- FAR ------- __ XI l Y. .MO xMY 0 - I I I � • I I I ,•n I x�i1F I I I �iN ' SEE slo.�ERTS WE I / /UlpJll IS -BULLS FOR GIL`2 RT$ k IN 19 I / WILY II Rnv1.. •V• •• I _ _ v_ _ _ _ _ _ _ _ _ _ _ _ _ - __ i x ae. • ;L SEE ALSO SHEETS 18 & 19 OF 50 AS -BUILT x u CIVIL ARTS, INC. LEGEND RECORD DRAWING SWLEEEO CO.MRS . f. CONIMRS 01 /2 6/2 015 SPOT ELEVAnONS - AS-BURT ELEVAI 07/24/2015 I HEREBY CERTIFY THAT THE AS -BUILT INFORMATION SHOWN HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE UNDER MY RESPONSIBLE rw4Rrr 'ORIL 11, 2016 THE AS -BUILT INFORMARON SHONN ON THIS RECORD DRAWING ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS INC. ON 11/18/2014, 1/16/2074. 1/23/2014, AND 7/24/2015. <CAI F 1'-10' APRIL 11, 201.6 Ca - -- Mw -AAA• MIW r� j-ifC'•y� SWALE 3 BELLA VIRA AS -BOIL TS SHEET DETAIL-2 LOT TF=ST' B m TF=5132I 1 A I1 1 1 1 SEE STONY SEM 1 1 YTI CUL AR- & IS FOR ETS C, AS-11 A INLETS 1 1 I I 1 I 1 I W M � p1IN 6 •WIN w•P �s waa� L� j wI wr wwi'Z s w v / Nip _ ) _ - -__- - mwwJ - �-•wEm�E k 'P � SWALE 5 7ERN'O Q ---------------- IwRw I 1 II I SEE ALSO SHEET 19 OF 50 AS -BUILT I1 1 J � f L-wY u w •IOR I .Lr• Mw p w wy �vr � wp _ � I •"are + I - • �I _ r - - �s NE•e mns _ w� CIVIL ARTS, INC. IFDEND RECORDRAWING SIN'LEN D CONTOURS CONTOURS SPOTELEVATIONS A BOLT EU.VATCNS 11/20/2014 07/24/2015 1 HEREBY CERTIFY THAT THE AS -BUILT INFORMATION SHOWN HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE UNDER MY RESPONSIBLE _e!WREV APRIL11, 20T6 THE AS -BUILT INFORMATION SHOWN ON THIS RECORD DRAWING ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS, INC. ON 10/14/14. 11/18/14, 1/23/15. 7/9/15, AND 7/24/15. 'g-401q CCAI f APRIL 11, 2O16 m BELLA VIRA AS -BOIL TS SHEET — DETAIL 3 , LOT 5 TF=5129.59 G LOCK 7 p � / 4 / �H1MY / Ne MI}R all, / x oTAR rr ; i - 9 i Y.T / t= F.+ ewes Am O i,rF - IIQI FDJ• eRRr F F >s • a u � YM «ice R 1Fw ewae R--11 ram o s1pem Hutt zci-rm R F tt \ ru R 1�.evD �BF_e_ x� s q a R IDxV zv� .gEiO zw�°-ssT. s �R R F+D F .. xp p;e xx�-gh- Yp rYrLN x4 \unury AS-BUkTS FOR WLARTS • WLI .SEE SHEET 46 FOR �— 37UCMRE AS-BIHLT \ x- �° u \ - - - --e Lie z _ _ xRDY .aRR A _ _t( pm _ _ _ FY •%ee11iY_ x- - - x - FeG xFMM Yl. _ _ _ _ _� J R j xp _ ID _ _ _ Ml _ Y A 't#L _ _ _ _ _ _ PIA _—�- FM _ _ _ _ _ =-MKD- 2 A{Y R �F L� FYl ------------------- �W11F �yF1Y)! ~ SEE ALSO SHEET 20 OF 50 AS -BUILT SCALE T'=IU e a n LEGEND RPR. am S.LF CONTOURS - R•N CONTWRS SPOT ELEI.DONS . AS -II ELEVATIONS CIVIL ARTS, INC. APII BUILTF_J 02/02/2015 07/24/2015 I HEREBY CERTIFY THAT THE AS -BUILT INFORMATION SHOWN HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE UNDER MY RESPONSIBLE I•R/r/c APRIL 112016 T THE AS -BUILT INFORMATION SHOYM ON THIS RECORD DRAWING ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS. INC. ON 1/18/15. 1/23/15. 2/2/15. 7/9/15. AND 7/24/15. APRIL 11. 2016 BELLA VIRA AS —BOIL TS `-r.ryN[[Y!� :: P):ilft�rlr :: iS] uva Ar+a SYlf �'W'O RYV ` �rODFr�- Iwgrsy(ODS:t SWVF-G CIVILARTS o•c - .< w. VRiI }0. 30f5 EN rre rxoxen wren 1'�10' PO$ ID3+-0_AS-[RNL saeT ,e-:o cET +T-s SHEET eeso--o.nm Fwow-o•am asorA-e•nn< DETAIL-3 SHEET - DETAIL 4 aw+ am. ama ��lywL.lYn„,� � iaa �tIYY YLlttl .ice D IT 8 \ 5129.2 \ A \ / BLOCK 8 SEE ALSO SHEET 20 OF 50 AS -BUILT L EGLba RWR PRzo swa Cg 7- PLAN COMTaRs 5 l ELEVAAp - a5-001.1 ELEv�1 CIVIL ARTS, INC. RECORD DRAWING 01/26/2015 07/24/2015 1 HEREBY CERTIFY THAT THE AS -BUILT INFORMATION SHOWNHEREON WAS PREPARED BAY➢ ON A FIELD SURWY DONE UNDER MY RESPONSIBLE 11. 2016 THE AS -BUILT INFORMATION SHOWN ON THIS RECORD DRAWING ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS, INC. ON B/6/11, 1/13/IS, 1/18/15, 1/2R/15, 7/9/15, AND 7/24/15. APRIL 11, 2016 N BELLA VIRA AS-BOILTS SLPIvflNO CIVILARTS iR N41R p! SCALE: 1'=20' A A tl SHEEP — DEWL 5 A T SEE STORY NE \ umrtr RTSAS-SURTS FOR CLLS{Rii K �^ MILE Y \ .101 Ipp �a FD- Nam -YY °uv /`e y na — — xnn• >w M ��-®p1a iQ 1BffiE.L �._ 41ya� yn _ r.n q q q SEE ALSO SHEET 19 OF 50 AS -BUILT KEY MAP SCALE:,--400' LFCFNO RIRR1 S.µ CORIO S - PUN C 70O $ 01 REVAn . AS-WLT FLEvIT S CIVIL ARTS, INC. RECORD DRAWING SCALE, 1'-20' 01/26/2015 07/24/2015 I HEREBY CERTIFY THAT THE AS -BOLT INFORMATION SHOMN HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE UNDER MY RESPONSIBLE CHARGE APRIL 11. 2016 THE AS -BUILT INFORMATION SHOWN ON THIS RECORD DRAINING ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS, INC. ON 4/14/14, 11/18/14, 1/16//5, 1/23/15, 2/2/15. AND 7/24/15, A APRIL 11, 201E BELLA V/RA AS -BOIL TS SHEET - DETAIL 6 LOT 2 i / T �,1 1 TF-5148.4 A / 3Do h- m IIIY my i .M4 e A. .. ci � z A I LOTS 2 ; h INTERSECTION DETAIL OF PRATOLINA COURT, SUNFLOWER DR. AND WEST ELIZABETH ST. C ?rF< �eFr. LOT TF-512 A INTERSECTION DETAIL OF BANYAN DR. AND WEST ELIZABETH ST. EIOFtE 1 a 1 1 11 TF�- LOT 6 1 TF-5152.1 1 11 INTERSECTION DETAIL OF FIORE COURT AND BANYAN DRIVE CIVIL ARTS, INC. AS-BUILTS 01/26/2015 THE AS -BUILT INFORMATION SHOWN ON THIS RECORD DRAVANO ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS, INC. ON 1/26/15 A4 #10 APRIL 11. 2018 I HEREBY CERTIFY THAT THE AS -BUILT INFORMATION SHOWN HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE UNDER MY RESPONSIBLE CHARGE APRIL 11. 2D16 own AN KEY MAP SCALE: LEGEND RIPIIAP SYAIE 000WR5 - PUN COYTOURS 5P01 EaVAMDN - AS WkT ELEVAWJ SCALE 1".20' r o w BELLA VIRA AS—BUILTS HH_ E SHEET - DETAIL 7 POND I WEIR H WTAL SCALE: 1'.IV wnlK 5124.51 VESIICAL SCALL WALK-5124.40 156 Y 5124,02 51It01 LOW PANT WALK -512]e! R. 5130 5125 — 5120 — 5, 0+75 5130 5125 5120 5115 0+75 txx��0:11 +VU 1+20 I+50 1+75 2+00 2+25 2+50 POND III CROSS SECTION III =vim 1+A0 1+ou 1+ q 2+00 2+25 24W 2+75 POND 41 CROSS SECTION NORTHWEST —SOUTHEAST 3125 N POND Jl MAP HORIZONTAL SCALE: I'=T' VERTICAL SCALE: 1'-0' 5130 5125 5120 5115 2+75 3+00 3+25 3+50 HORIZONTAL SCALE: 1'--I VERTICAL SCALE:1'=0' 5130 3+00 3+25 3E50 CIVIL ARTS, INC. AS-BUILTS 01/26/2015 07/24/2015 THE AS -BUILT INFORMATION SHOWN CN THIS RECORD DRAAING A=RATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS, MIC. ON 8/E/14, 1/20/15. AND 7/24/15, ,&�qai APRIL 11. 2015 I HEREBY CERTIFY THAT ME AS -BUILT INFORMARON SHOWN HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE UNDER MY RESPONSIBLE CVIA— APRILHHRGGEEE.. 11. 2015 SWALF CWTOORS . K. CONTOURS S T ELEVAMNS - 4 IAALI DEVAMONS 5125 POND #1 5120 CROSS- SEC TI DNS BELLA VIRA AS-BUILTS J 5115 3+75 SHEET — DETAIL 8 5124.13 POND 2 WEIR SCALE 1bRt"TAL BONE 1'.10' VVt'CAL SCNE: 1'-1' S2.J 4 3123.6B ' LOW PJWi NY f 512..05 5130 5125 -- 5120 5115 0+75 1+00 5130 5125 5120 5115 0+75 HORIZONTAL SCALE: 1'-1' KRTICAL SCALE: 1'=O' 5130 5125 � St20 5115 1+25 1+50 1+75 2+00 2+25 2+50 POND Y2 CROSS SECTION WEST -EAST HORIZONTAL SCALE:YeI' VERTICAL SC&E:1'.0' 51}0 5125 5120 5115 1+00 1+25 1+50 1+75 2+00 POND 92 CROSS SECTION NORTrySnUTH SHEET DETAI1,3 \ PONDJ2 AP WALE: r-30' CIVIL ARTS, INC. AS-BUILTS 01 /26/2015 07/24/2015 THE AS -BUILT INFORMATION SHOWN ON THIS RECORD DRAWING ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS INC ON 8/6/14, 1/26/1S AND 7/2//15. *4#_�r APRIL 11, 2015 I HEREBY CERTIFY THAT THE AS -BUILT INFORMATION SHOWN HEREON WAS PREPARED BASED ON A FIELD SURVEY DONE UNDER MY RESPCN4ftE CHARGE APRIL 11, 2016 LEGEND R®&P SWALE — CONIWRB . PLAN ECNTW SP01 ELFVI.IIONS . AS-BWLT ELEVAMNS POND #2 CROSS- SEC TONS BE -ILA V/RA AS-BU/L TS POND 3 WEIR wLLR 513Bb LOW PANT I WkK =5137,62 5145 5140 5135 5130 It POND 13 4 / 6 a' i6 SEE &W P0w /J L- _ — B YKET MY,IL-! N I —. l� I r•W r+T3 R i ,Re ® B B W/ S • % \ .f>4 1 Z0NlI g�CAEj[: If ' VFRTCAL SCALE: 1'.1' I M \\ WAlA�51J631 � ryp, \ Zp,♦ 6E ' n�� \ etp ; j I eim K —sac—�;�nl—� ♦ _ __ - Z33D........ ZIT. — •s4 ........11Ti........ ...Y1T5.30 5145 5140 5135 5130 5125 ' 0+75 1+00 0+13 1+VV 1+Z5 1+50 HORIZONTAL SCALE: 1'=1' VERTICAL SCALE: 1'-O' 1425 1+50 1+75 24M 2425 2+50 PV — (11)POND 43 CROSS SECTION WEST —EAST 5145 5140 5135 5130 5125 2+75 HORIZONTAL SCALE:1'=I' SHEET — DETAIL 9 CIVIL ARTS, INC. AS-BUILTS 01/26/2015 07/24/2015 THE AS —BUILT WORMAIM SHOWN ON THIS RECORD DRAWING ACCURATELY PRESENTS DATA FROM FIELD SURVEYS PERFORMED BY CIVIL ARTS. INC. ON 5/6/14, 1/26/15. AND 7/24/15. 'V Y'W4 APRIL 11, 2016 I HEREBY CERTIFY THAT THE AS —BUILT INFORMATION SHOT` HEREON WAS PREPARED BASED ON A FIELD SURVEY DCNI UNDER MY RESPONSIBLE CHARGE. V4� APRIL 11, 2016 RYTtW POND 0 MAP lwALT l E: 1'.30' OONTWRS = PLAN WNTOUR! SPOT ELEVAT = A$ BMT ELEVAIIpN$ 5145 POND #J CROSS- SECTIONS 5146 BELLA VIRA AS -BOIL TS 5135 1 %i /A --.- 5130 1+75 2+00 2+25 2+50 2+75 3+00 3+25 3+50 3+75 4+D0 4+25 POND 13 CROSS SECTION NORTH —SOUTH 'N, 4 I,AI1k"I J 1Nyl:JI%N 1•T,INI," I'lll PARII IiANI IN All IIII IU I ti\'11, Ib15NI IINII❑ 111 IP II,,, INI. ;1'It'I ; I I1 IN[ l:`II N I\I.NI1, 1\I CIVIL ARTS, INC. V\UIL>II RI �I'nC I'Il1pl.I I II`II Ill ilT �l'R\T,q, I'LIpIlli,il 11 BY CIYII olullvW AI11ti.INr,. 1INIu: 1111111171* N I I AN11 (IN NIA '°�I 74I' RECORD DRAWING `oR., cx 25711 £g„APR71. 33, 2015� 12 91 = • =$BRILJ3.2D1 = 4-21-2015 4'a."N�no�t RwD1N"`� w` SEE REVISED VERSION SEE REVISED VERSION ❑-� 5,4 771 SHEET 39A SHEET 39B T�-STORM LINE 2 STORM LINE 4 STORM LINE 5 NOTES: 1. SEE DETAIL SHEETS FOR ADDITIONAL INFORMATION ON OUTLET CONTROL STRUCTURES. 2. ALL CONSTRUCTION ACTIVITIES NEAR THE FORT COLUNS-LOVELANO WATER DISTRICT'S WATERLINE OR WITHIN THE ASSOCIATED EASEMENT SHALL BE COORDINATED WITH THE DISTRICT PRIOR TO COMMENCING, 3. ALL STORM SEWERS TO BE INSPECTED BY THE CITY 4. AN ENGINEER APPROVED EQUAL PIPE MAYBE 0 BY S8' 100' SUBSTITUTED FOR ANY RCP PIPE NOT UNDERTRAFFIC LOADING. NORI2 - 1' 50' 5. ALL RCP TO BE CLASS III (3) 0 2.51 51 10, VERT-1' =5' STORM LINF 6 STORM 1 INF 7 "1, 5 V='IE E%IS NG GRADE GRADE PRO OSEO CPAOE 514>= 5145 5130 5130 5145 5145 5130 5130 ^so� Eo -, S 1 W-ul L. + (I)15RCP `. W 02 5140 PRDPasrD 5140 w 5140 5125 _ _ 5125 5140 ExI NG cruDE 5140 5125 r ousn c cRAOE 5125 - MIN. 9S z nw-le R I a m �b as sti L.. 0-m W. .F w _ a a+LF. RCP a NY 2Dx _ LRRAoOPoscD i;Yiii 1 5135 1e Mw 5135 5135 5120 $""-`r E�LENcrN 5120 5135 _ \—' ` 5135 5120 — 0 )f`I ��U •d ♦ FLS N y _ RGPLO (LENCTN I'.. - i� �CWDES i 0 �NE: P 33 0 . _ _ 5130 d 5130 5130 5115 m 5115 513D -acP o`anex 5130- 5115 - - 10p 115 Gq - HLfI'2 S a p a Il i yid 9110 5125 m 5125 110 5 51 5 - -i G_ 5125 5110 "c INnuO >•rs (d e' N STA 046 IW-51 R N F ,T u� . O S� G j^tl .oo b i1 eO� h� 5120 5120 d 5120 5105 n 5105 5120 5120 5105 5105 5115^ ^^ ^^ ^^ 5115^ - ^^ ^^ 5115 1 51005100 5115 5115 5100 5100 v v� — + UV 110. V*VV VTJU 11UU UTUU Urju 1TUU 0 23' 50, 100, SCALE City of Fart Colllr s. ColoraCa UTILITY PLAN Approval APPMVro. aNEY. R+ CNECNID BY: w—Aw�Y�.r Wa' 0�+ LIIECRED aY: :WCQD ElswrNF a.E 11Y: Trwlw.�rr r cNeaLED 9Y: _ LNELI¢a aY: anM1..IIinYllwl� aY CMICaID.1 Y LmuLaap. IrrtAiaeNrn, argila.rvp. tr PWrv,na I5] wn, uwnlaln on Ctllln.. LD E091+ ro � uoD +e4 xw 0 5 a cl, unuTY MOnncAnoN CENIER Or COLORADO 1-800422.1987 or 53"700 O U ai 2 J J O U f C O LL W Q 4 Q O W yQ 00 Z J a CAD ^I. 2427 ENG M PP CURREM1T Design.d in CAack.d JFS Date 12-07-07 Revirion R'Dject A' 2427 39 OF 50 - 49. 1 1 I LOT -CDR 4B.35 RETAINING WALL 1 _ EOC-PT 47.68 (STRUCTURAL DESIGN'I II 4904 - EOC BY OTHERS) 46 J9 I 11 1 1 RE -ALIGN CONCRETE 5078 EOC PC IT4 _SWE 4]747.29 t LOT-COR n 1 EOC ME --�_ EOC WALL -TOP �. 91 erwl 1�< R 91 1 I PACCOMMOWTER NEWO 45.91 5 EOC-ME 1 rFl 4595 I 4639 �I STORM PIPE LOCATION 48.41 - 1•W iA �n1l�I( � I L LOT -CON 40.22 50.�2 EOC-PC EOC-PT 47.83 ���. <a. is v. 45.95I yH FL / 51W \ /LOi-CDR i I 40.57 EOC-ME RE -ALIGN SOFT WALL- TOP 5' 48.97 Wm W��L T 4635 42585] i b EOC-POC _ ��- / 7.0RIH. r EOC-ME'�' _ E00-PC Y ` 1 E40.69 OC- PEDESTRIAN RE -ALIGN S TO 51AB 47.18 / EDD-ME MY °-liwwai.e<n - 07 ? 42.58 47.04 L LNE 1 WALL -TOP EOC-POC ACCOMMODATE NEW WALL -TOE 5 wFSO L'-I - 42.70- _ .� I ,R 1,2 / WAL TOMawm ---- _ �40.BB STORM PIPE LOCATION �00� WY 1N7.ncwuw< _� EOC-PC 41.4J _ A9/ // / 14C �Slq- Rr-NrEH 5 a00 46.23 - �I'1L!OFi,M'_ nn n.i.LL-TOE\'� WALL -TOP 021 1i25'iQ _ „o'w' rs Fraw _ i3.42- i C WALL -TOE_ I 47l r-2f50 M ae <�`HaiwJOC 40.33 � -Star WALL -TOE 4m 2f 75 5 �•w•s:a�.��,EOC- j WER UNE BI�� ,RliuvNr ,3f^ _ HOC -ME (SRE REVISED PROFILE 1 +R.p+ooat.m pe r 31_- - _ 50 346L1_ 5139 5149 I40.66 --�WALL'TOP 5140 WALL -TOP /�5150 1 I / In _-� St;2--.- -7•� Hart r ;n - -7 0 -I 40.40 _- 1 ,WALL-T� _ E41.58 OC- -WALL-TOES J� \` EOC-PC RETAINING WALLE _ - _ _ _ - - - 40.60 (STRUCTURAL DESIGN _ �_ _ _ _ - - - -- _ �_ I I 155 LF. (3)15- RCP O 0.50E WALL -TOE BY OTHERS) - . P�PERry LINE y' \ �\,s (LENGTH INCLUDES fE5) 16' THICK TYPE I. RIPRRAP W/ 4- TYPE I BEDDING h 4- / I 2�` - - _ TYPE II BEDDING. LENGTH OF PROTECTION - 10' _ \ -WIDTH OF PROTECTION = 2' BEYOND EDGES OF FLARED END _ �', SECTION 5150 :l![1 Ms5 5150 ASSUMED GRADE AT CENTERUNE OF STORM PIPE 5145 15 SIN' fE5 99 .�.. STA: I+M.6 u ELEY.514?:Bb T'+ 15' FES ISfi15LF -. 5TA: 2f99.60 ELEV:5f4f:N9I - ti55-3(3)15' RCP O U.Sg,F 0 47% (LENGTH fNC=ES FES) z r 0 16* THICK TYPE L RIPRRAP W/ 4- TYPE I BEDDING & 4- TYPE II BEDDING. LENGTH OF PROTECTION = 10' WIDTH OF PROTECTION 2' w n a BEYOND EDGES OF FLARED M rcnw ZH ky END SECTION ;�E v<iCIE mh N X - o o 5135 x n y w a z z a1Tn 1-25 1.50 I-]` x.tW 2-25 2+50 STM-4 HORRONTAL SCALE:1'd20 VERTICAL SCALE: V-2' 2N75 3 0 3.25 3f50 3H60 CALL UTUTY NOTIFICATION CENTER OF COLOfRADO 1-BOO-922-1987 OR 811 CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOUR DIG, GRADE. OR EXCAVATE FOR MARKING OF UNDERGROUND MEMBER UTILITIES. VYLART! AINAWES NO RESPONSI&urc FOR EAsnNO UIILm LOGTK*iS, THE UTIITRS SHOWN ON MIS PRAWNS HAW BEEN KOTIEO FROM THE BEST AVALAKE WFORMATON. IT R HOKYFR THE RESPONSBRITY OF ONE CONTRACTOR TO HFW VERIFYKYI Y THE LAMa ALL UTLITES ROM TO ENE START OF AVY CQISTWCTICN ACTxTE& BENCHMARK CITY OF FORT COLLINS BUKHR A IX 22-97 FOUND 2' ALUWNUM CAP M MN BAN NEAR THE REST ROW OF OYFAL.ANO TRIAL MST EUUBETH ST. ELEVATKW,5115.69 NM IS" LWADAISTED CITY Of FORT CCWN9 KNCHMARR 32-02 ELEVATOR=l116.25 NOVO 1929 MNADAISTED 2 rrKEY MAP d � CIVIL ARTS, INC. �� 90 RECORD DRAWING` R�D 11-20-2014 W=in IN 2 in � HA AIIIii15lIR\'I1 EL J r 0.1'1jC 1 tUARY 20..20> µD]" Vy+ r2 a I-N U lEfikUARY 20L Cltt OF FORT COLLMS, COLORADO UTILI-Y PLAN APPROVAL .PROVED BIV-FETM-9f - IAiF- KCN D S T V - TAB ON,"FO Bf DAM iTONM K11ET0110�- CATS DMWNBY: WMETIA CHECKED BT. CHECIfEDBY: . - OAS JOB NO: F)U LNECYE9 fh SHEET NO: Pm7S-k-RECxJ,TOq-- OTTE- pHEONTD BT 39A Fmc.Eo Nr. OF 9E 512 mm ASSUMED GRADE AT CENTERLINE OF STORM PIPE 15' FES 5125 16 2 STA: 1+51.16�i ELEV:6185:Q9L 761E LF 15' FES ZFLF. (3)15' i 10% 5124.3 (LENGTH RCP ELEV: .' . INCLUDES z I 16' THICK TYPE L RIPRRAP W/ 4' TYPE I BEDDING @ 4' TYPE 11 BEDDING. LENGTH OF PROTECTION = 10' ism WIDTH OF PROTECTION = 2' BEYOND EDGES OF FLARED oNENO SECTION 3 F QO W�� o ri n6 ,a ? mNai � rc w 5110 I:00 no 1+50 1-75 2+00 2.25 2+50 STM-5 tl VERTICALS :I'-SO VERTICAL SCALE: 1'-2' CALL UTILITY NOTIFICATION CENTER OF COLORADO 1-SM-922-1987 OR 811 CALL 2 BUSINESS DAYS IN ADVANCE BEFORE YOUR DIG, GRADE, OR EXCAVATE FOR MARKING OF UNDERGROUND MEMBER UTILITIES. DNIAXR ASSUMES No IZSPCN99un FOR EXISTING UTILITY LOCATIONS THE UTUTES ENDMi ON T11s DR.SWNG HAYS BEEN PLOTTED MOM THE BEST AVAILABLE KMORIIATON. IT IS, HOKYER, THE RESPgISWWT' OF THE CONMLTOR TO ilElD VERITY THE LOCATNON Of ALL UTUTIES MOOR TO THE START 6 MY CIXISTRUCT iH AC MNS,, BENCHMARK OTY OF FORT COLLINSLROWW -97 FOUND t' ALUMINDu CAP ON w BASE NEAR 11[ Rsmo MNL NEsi FDIABETH Sr. NINIEWATH OVIDWS1EoOTYW FORT CCLLWS-92 DEVAIKN-511625 HISTED rrKEY MAP CIVIL ARTS, INC. RECORD DRAWING E 5130 11-20-2014 € 'gLL Hz ]] Gaut - 5125 w N Q 2 97 s ,VARY zo. +Fs......L Q J _ „gN.0 > Lik 1111 MIT t I K1111 11111 I IL. AY IIUII:I INFUIi.Y1A TIN hilt q+N 5120 IIIK1TININ I'iJ I'ANI P I611111n . III11'1It%'IYbIN[ I -Nu I Ai. ? 2577i ,,: og a� j,4 RUARY 2P: *,5f Q Ills Lii I ce O �D F 5110 2+75 2,0 CITY OF FORT COLL. NS. COLORADO UTT IY PLAN APPROVAI _ A�PRDrED LIi uF�Fwr- _ O'Ec'im BY DAIS: OvnaxBlA GCCKCD BY. STAKSTVI� t� tATE— DRAINN BY: WoNua D cKEO BY. CRECKFD BY. On' TIFS£-D'LSCEpl-- - Tom— IOB NO: ON, CHECKM BY SHEET NO: PARR{'g pEfTa7pQ uAlli CIKCKET BY'. 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ALL CONSTRUCTION ACTIVITIES NEAR THE FORT SIpEIAiKI I I I COLONS-LOVEIANO WATER DISTRICT'S WATERLINE OR II WITHIN THE ASSOCIATEO EASEMENT SHALL BE II I COORDINATED WITH THE DISTRICT PRIOR TO COMMENCING. ` STORM SEWERS TO BE 1 I� L ENGINEER APPROVED EQUAL PPPEDMAY BBY E ClCITY4. AN SUBSTITUTED FOR ANY RCP PIPE NOT UNDER TRAFFIC EXISTING 1 HE4DWALL U S. ALLDROD TO BE CUSS 111 (S) (ID CIVIL (ARTS, INC. ° SCALE RECORD DRAWING, 25` 50. 100, HORI® 4-21-2015 0 2,5®- VERT- V-5' TORM LINE 9 STORM LINE 10 RCBC EXTENSION 5130 Dgc eoWo rnNc owl N RDPOSfD C 5125 I - TJ.JO 120 — 54 L P. IS 1 PCP . 1-. LNOT N WOE IN R51 5 FES \ \ 1 11LNrRAu / ��INEAKHME ME Gil Z� BIWA 111 NO! NNNNNN` I 0112, L �CONN T To IS' ^ ENISIM 4'.RCB< STA: 0 SI,OI N01 I11 IIti �.nc 2. APPRO INV�5111,J9 I IN 5100 1 1 1 1+50 2+00 0+50 1+00 1 FORT COLLINS -LOVELAND WATER DISTRICT SOUTH FORT COLLINS SANITATION DISTRICT MrMiellxel D.O TANio, M-Ag. Dslc W. T°FY FMNI. PE., DNInn EaBl D.1, All Nvngve dtlenduma MJiI &I.,i u W mwIW III On.'nV Im sIl ... 1. fun C 11 lu el.nJ W.m CI- 4Ne 4uN Fun L.C- S-Uu.nllnna PLEASANT VALLEY AND 5130 LAKE CANAL COMPANY Approval Block REVIEWED BY THE PHEASANT VALLEY AND LANE EMAIL COMPANY ON _ THI9 PAY OF 20 THIS PIAT HA6 BEEN SIGNED BY THE PLEASANT VALLEY AND LAILE CANAL COMPANY, BUT THIS SKI ^ 5125 NOT MENI RAPPROVEE THE ENOINEERMO. BYRVEYMG, DESgH, CONSTRUCTION, OR EITHER PROFESSI0UL WORN THE SIGNATUNES MEAN ONLY THAT THE COMPANY HAS SEEN THE SHEETS, SIGNED. MC .y COOPERATED INDIA THE OWNER IN PROVIDING INFORMATION. THE _ OWNER AND THE PROFESSIONALS IT HAS EMPLOYED ARE SOLELY _ RFEPONSISLE FOR THE END RESULT. L,AV1 a Aa JVU Nva, BaIPNV..iW A Pfmminp ,N Wwt An. w AH k Cc B 1. us]x elo M1 AS,, n4.4D xex TAxD 0 CALL UTlltt NO inCADON CENTER OF COLORAIDO 1-800-922-1907 or 5146700 .+ a vaniO U Wl Z J J C2 r z O U. cca 'j OO JLu ,,AA Q a di ... t CRY Of Fort Co111Te, Colorado UTILITY PLAN Approval APPROVED: CAD /Yb m Ex I w TGT] END SM PP CURRENT CHECKING BY: M.1�4M�r,-Ilya yN Designed JFS CNECKII _ CAB°A'Id Ji5 .DRW Pr CNECNEDBY: DDI 12-07-07 NNNmy- a.M Revision CIIELNED aY: PrujeCl 2427 P.x��MA��IYI O.Y CRIECKED BY: u.a.Illm..MIH.Ix• p.M 40 clHecNeD er: OF 50 s.. <\ \\ 1�8 6ktl�T PER. avaP, .rI \W DPP � R li''':2E:EEeeeeu_ �..'..'. l,J Lam:: j ` . A 6 PIJN r I_ Per >. �� II A u SECTION D-D 9 3 .TBm.A rtowravmmP SECTION AA SECTION B-B o' I10110a o �a I1n ma® ©' 011�tt DETENTION POND jet - OUTLET STRUCTURE DETAILS \ 1 4 3 -6' 10 _ Ir J7.• o.n a w ..W IavJe°• 11MIA ��'I '., :1:::::::::::::. 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RE YOM6 VERE viA.m .Im..' o u>.,u >.4 w.nuouAR wv°rmw®.n°"in •I;.a> i Ra DETENTION POND #2 - OUTLET STRUCTURE DETAILS ELI EL3 H EL2 S1 W S2 DETENTION POND - EMERGENCY SPILLWAY DETAILS NTS THE AS -BUILT INFORMATION SHOWN ON THIS RECORD I HEREBY CERTIFY THAT DRAWING ACCURATELY PRESENTS DATA FROM FIELD HEREON WAS PREPARED SURVEYS PERFORMED BY CIVIL ARTS, INC ON 4/15/15 AND UNDER MY RESPONSIRIF 7/24/15. DCCCMArR 16. 7.016 DE MB SHOWN DONE POND W St 52 H EL1 EL2 EL] 1 24' 4' C 1' 24.25 23.25 24.25 2 124 4' 4' 1 1' 24.5 23.5 24.5 3 20' 4' 1 4' •aft URAINAUL HLHUKI FOR MORE INFORMATION City of Fart Collins, Colorado UTILITY PLAN Approval APPROVE.'. .b.nElA. o.w cxecRe..I cxec.m en exec.Es.1.. rtiYbNnw o cxec.e..r: PW nn R+sWa n,.. cxee.E..T .E.. aY: On. Lontl.erin Ak PER .iA L>Wi.. E., . PMnn.W ISJ 11 .. cc 0. .1. c.. D co w>z. m.: wo +a+ zw w 0 a s CALL JMLITY NOTIFICATION CENTER OF COLORAO0 1-800-922.1967 or 53"700 . `�` W—F A. .. O u z z J 0 0 F- K O 1, F z f z x 0 e TTtl u..Je "xeRtlM.[t supr.vzon on 2427 ENC DETAILS Designed SOS Checked SCS Data 12-07-07 Revision Project $ 2427 48 OF 50