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Home My WebLink AboutLot Certifications - 05/12/2014 (3)Utilities Ci+" 01j electric. stormwater. wastewater. water l) 700 Wood St. Fort Collins Fo Box 580 Fort Collins. CO 80522 970.221.6700 970.221.6619 fax . 970.224.6003 TOO utilities(dfcgov com . fcgovcom/utirnes CERTIFICATION OF LOT GRADING Pursuant to City Code b 26-544 and City Land Use Code 5 3.2.2 (e) Date May 7. 2014 COrJ+as�d `�li�2ot4 Permit Application No BP 1306050 Address: 5632 Coppervein Street Lot: 5 Block 4 Subdivision: Kechter Crossino Planning Land Division Filing Two (,(Print) Steven M. Stricklino . a Colorado registered professional engineer, verify that the above referenced property in the City of Fort Collins, Colorado, has been inspected by me or an appropriately qualified professional under my direct supervision, and verify that construction of all stormwater facilities and grading is complete, and that the elevations and drainage patterns shown on the attached drawing(s) which were developed from a survey performed on (Date). April 10 2014 . accurately and truly depict the elevations and drainage patterns as they existed on the date of the survey. Based on this information, I certify that (check one)' The elevations and drainage patterns of the IoVsite are in substantial conformance with the City approved drainage and grading plan for the property (information attached) SEE NOTE. The elevations and drainage patterns of the IoVsite as measured are in general conformance with the City approved drainage plan with exceptions (information attached) In my professional judgment the elevations and grading of the lot/site as constructed are functionally adequate and equivalent to the specifically approved drainage plan. and will affect stormwater drainage on and off the IoVsite in a manner consistent with the approved drainage plan. SEE NOTE. By 10056 Brisbane Lane, Littleton, CO 80130 (address cf signing party) NOTE: A COMPLETE certification must be submitted at least two weeks prior to a request for a Certificate of Occupancy for the IoVsite, including but not limited to drawings of the lot/site showing the approved design and as -built surveyed elevations of all structures, drainage and grading features (e.g, swales, retaining walls, lot corners), written information/explanation of discrepancies, and other information necessary to confirm the above certification to: Fort Collins Utilities 700 Wood Street Fort Collins, CO 80521 (970) 221-6700 Re, 1:27.-r2 At least Two Weeks Prior To Requesting A Certification Of Occupancy For The Property CIVAS en_ineerina May 7, 2014 FORT COLLINS UTILITIES 700 Wood Street Fort Collins. Colorado 80521 Re: Lot 5, Block 4. Kechter Crossing Planning Land Division Filing Two Certification of Lot Grading The lot grading for Lot 5, Block 4.. Kechter Crossing Planning Land Division Filing Two is different than that shown on the City approved Final Grading Plan for Kechter Crossing. This is because the location of Lot 5, Block 4 has been revised as part of the Kechter Crossing Planning Land Division Filing Two replat However, the general stormwater drainage for the revised location of Lot 5, Block 4 is consistent with the City approved Final Grading Plan as demonstrated in the attached Certification of Lot Grading for Lots 4 and 5, Block 4, Kechter Crossing Planning Land Division Filing Two. It is noted that a drainage swale is required to be constructed in Common Area B. Kechter Crossing Planning Land Division Filing Two, adjacent to the rear lot line of Lot 5, Block 4 in order to adequately convey runoff from Lot 5. Block 4 to the Type C inlet. located in the sump of Common Area B at Design Point 4-6, and in order for the general stormwater drainage to be consistent with the City approved Final Grading Plan, We understand that this work, as well as a few other drainage swales in Common Area B are being designed and are intended to be constructed in the near future. Sincerely. C Steven M Strickling, P.E. Principal 10056 Brisbane Lane • Littleton -CC -80130 tei 720-240-5882 •tar 720-223-6092 ;r---- -IRIE 4 I- 2.5'UE II I B4-Li @� A TF-4"5.50 I p 'Ut5'UE O w t5'UE I EXISTING HOUSE •84-L3, I! 64-11-2 35,863 B �i t EX. TF. 4943.8:t t� VUE I Y 5'UE PeA a/d I A Do m B4-L4 v� m Z A _ l 5'UE - ♦9 �/ 5uE �' B4-L5 /. L. ~bA / = 103 —�T — 5 UE �! 15'UE I I I B5-1-1 I � A ~ vTF--,4 4 0 B5-L3 85-L2 TF� eQ TF.494s Pam- •' PAD-4943 NIM '� ZI 0 Z J O v gY Y oo m N o_< w C7 Z C goo d C Z N H C� W F u W - t Y]0 e - 6 'I31.M1 kprv.�J A3.2!LS JNiGYLCOcJ_ - k ..., ...>.l I pp.p OMI'. SR'J '+-5AC C\rOh eg C�R4ML C1'i5'JY� k?�'y-ii> v 3'ilY:l GJO'.lh3Gt? \ .31i 1 . �u/ a j It y b F` " ? -� =.tea --Tr ` :pn 133Xa N13%S39JOJ _:3PL CG`.tl=d.111 a N O Z �7 O i' w c O LLJ 3I a -- civas engineering May 7, 201.4 FORT COLLINS UTILITIES 700 Wood Street Fort Collins. Colorado 80521 Re. Lots 4 and 5, Block 4, Kechter Crossing Planning Land Division Filing Two Certification of Lot Grading Kechter Crossing Planning Land Division Filing Two is a replat of Lots 4 and 5, Block 4 and Common Area B of Kechter Crossing Planned Land Division. The purpose of the replat is to relocate Lots 4 and 5. Block 4 so that they front Coppervein Street instead of of Kadenwood Drive and to move the majority of Common Area B so that it fronts Kadenwood Drive instead of Coppervein Street. It is our understanding that no revised Grading or Drainage Plan was required for the replat and therefore the intent of this letter report is to affirm that the general stormwater drainager as a result of the grading and drainage revisions for the replat is still consistent with the City approved Final Grading Lots 4 and 5. Block 4 were originally Type A draining lots and were part of Basin A-5 Basin C-1 and Basin C-13 as shown on the Drainage Plan Map for Kechter Crossing. As a result of the replat. Lots 4 and 5, Block 4 are now Type B draining lots and are part of Basin C-6. Basin C-10 and a very small portion of Basin A-4. The characteristics and sizes of the basins were re- evaluated. the 2-year and 100-year runoff values were re -calculated and the design point summary runoff table was revised, based upon the changes to Basins C-1, C-13, C-6 and C-10. The impacts to Basin A-5 and Basin A-1 were considered very insignificant and were not part of the re-evaluation. The results of our analysis are summarized below and the supporting calculations and exhibits are attached to this letter report. It should be noted that the original drainage design was based upon the SWMM Method of hydrology and that our analysis was based upon the Rational Method of hydrology. due to the size of the basins being re-evaluated The values of the Original Design shown in the summary below are based upon the Rational Method and vary slightly from the values based upon the SWMM Method stated in the Final Stormwater Management Plan for Kechter Crossing. Original Design Replat Basin C-6 Area 0.12 ac. 0 17 ac. Imperviousness 86 % 71 % 2-year runoff 0.4 cfs 0.5 cfs 100-year runoff 1.0 cfs 1.2 cfs Basin C-10 Area 0.86 ac. 0.81 ac. Imperviousness 2 % 16 % 2-year runoff 0.2 cfs 0.5 cfs 100-year runoff 4.4 cfs 4.3 cfs 10056 Brisbane Lane-Latecon -CO .80130 tei 720-240-5862 -fax 720-223-"2 Original Design Replat Basin C-1 Area 0.25 ac 0.25 ac. Imperviousness 61 % 44 2-year runoff 0.6 cfs 0.4 cfs 100-year runoff 1.7 cfs 1.6 cfs Basin C-13 Area 0.31 ac. 0.31 as Imperviousness 18 % 2 2-year runoff 0.2 cfs 1 7 cfs 100-year runoff 0.1 cfs 1.6 cfs Design Point 4-A (Gutter Flow at the intersection of Coppervein Street and Kadenwood Drive) 2-year peak runoff 2.0 cfs 100-year peak runoff 17.2 cfs Design Point 4-B (Type C Inlet in Common Area B) 2-year peak runoff 0.2 cfs 100-year peak runoff 4.4 cfs Design Point 4-C (10Curb Inlet in Kadenwood Drive) 2-year peak runoff 3.0 cfs 100-year peak runoff 2.7 cfs 2.1 cfs 17.3 ofs 0.5 cfs 4.3 cfs 24.6 cfs 24.4 cfs Based upon our analysis.. the grading and drainage revisions as a result of the replat, will not have any significant impact on the storm sewer system for Kechter Crossing. Therefore, it is our professional opinion that these revisions are not significant and will still allow for general stormwater drainage to be consistent with the City approved Final Grading Plan Sincerely. 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QE. 9 I -- - 1 - - - - l DRAINAGE CRITERIA MANUAL W. 1) RUNOFF Table RO-5- Runoff Coefficients, C Percentage Imperviousness Type C and D NRCS Hydrologic Soil Groups 2- r 5- r 10- r 25- r 50- r 100- r 0% 0,04 0.15 0.25 0.37 0.44 0.50 5% 0.08 0.18 0.28 0.39 0.46 0.52 10% 0.11 0.21 0.30 0.41 0.47 0.53 15% 0.14 0.24 0.32 0.43 0.49 0.54 20% 0.17 0.26 0.34 0.44 0.50 0.55 25% 0.20 0.28 0.36 0.46 0.51 0.56 30% 0.22 0.30 0.38 0.47 0.52 0.57 35% 0.25 0.33 0.40 0A8 0.53 0.57 40% 0.28 0.35 0.42 0.50 0.54 0.58 45% 0.31 0.37 0.44 0.51 0.55 0.59 50% 0.34 0.40 0.46 0,53 0.57 0.60 55% 0.37 0.43 0.48 0.55 0.58 0.62 60% 0.41 0.46 0.51 0.57 0.60 0-63 65% 0.45 049 0.54 0.59 0.62 OB5 70% 0.49 0.53 0.57 0.62 0.65 0.68 75% 0.54 0.58 0.62 0.66 0.68 0.71 80% 0.60 0.63 0.66 0.70 0.72 0.74 85% 0.66 0.68 0.71 0.75 0.77 0.79 90% 0.73 0.75 0.77 0.80 0.82 0.83 95% 0.80 0.82 0.84 0.87 0.88 0.89 100% 0.89 0.90 0.92 0.94 0.95 096 TYPE B NRCS HYDROLOGIC $OILS GROUP 0% 0.02 0.08 0.15 0.25 0.30 0,35 5% 0.04 0.10 0.19 0.28 0.33 0.38 10% 0.06 0.14 0.22 0.31 0.36 0.40 15% 0.08 0.17 0.25 0.33 0.38 042 20% 0.12 0.20 0.27 0.35 0.40 044 25% 0.15 0.22 0.30 0.37 0.41 0.46 30% 0.18 0.25 0.32 0,39 0.43 047 35% 0.20 0.27 0.34 0.41 0.44 048 40% 0.23 0.30 0.36 0.42 0.46 050 45% 0.26 0.32 0.38 0.44 0.48 051 50% 0.29 0.35 0.40 0A6 0.49 0.52 55% 0.33 0.38 0.43 0.48 0.51 0.54 60% 0.37 0.41 0.46 0,51 0.54 0.56 65% 0.41 0.45 0.49 0.54 0.57 0.59 70% 0.45 0.49 0.53 0.58 0.60 0.62 75% 0.51 0.54 0.58 0.62 0.64 0.66 80% 0.57 0.59 0.63 0.66 0.68 0.70 85% 0.63 0.66 0.69 0.72 0.73 0.75 90% 071 0.73 0.75 0.78 0.80 0.81 95% 0.79 0.81 0.83 0.85 0.87 0.88 100% 0.89 1 0.90 0.92 0.94 0.95 0.96 2007-01 RO-11 Urban Drainage and Flood Control District COMPOSITE 'C' and % IMPERVIOUS CALCULATIONS Project Name: Kechter Crossing Project No. 13-203 Calculated By: SMS Checked By: Date: 5/712014 Raein r-1 0.25 aeras Land Use Im C2 C5 C 100 Area % Imp. % C2 % C5 % C too Right-of-way 86 0 67 0 69 0 80 0.13 43 0.34 0.35 0.40 Residential 36 1 0.25 033 0 57 0.13 18 0.13 0 17 0.29 Open Spatz 2 0.05 016 0 51 0 00 0 0.00 1 000 0 00 TOTAL . 51 610.46 0.51 0.69 Raein r-1A n 75 aeras Land Use limp. I C2 I C5 lClool Area % Im % C2 I % C5 % C 100 Right -of -Way 86 0.67 0 69 0.80 0.13 43 0.34 0 35 0.40 Residential 36 0.25 0.33 0 57 0 00 0 0.00 000 0 00 Open Space 2 0 05 0 15 0 51 013 1 0.03 0.08 1 0.26 44U.Jb 0.43.6 Raein r-A n_12 acres Land Use 11mp.l C2 I C5 IC1001 Area % Im . % C2 I Right -of -Way 86 0.67 0.69 0.80 0.12 86 0.67 0 69 0.80 Residential 36 0.25 0.33 0.57 1 0.00 0 0.00 000 0.00 Open Space 2 0.05 0.16 0.51 1 000 0 0.00 0.00 0.00 TOTAL 1 0.12 1 36 0.67 1 0.69 0.80 Raoi. rJtA n 17 arrac Land Use Im C2 I C5 lClool Area %imp.1 % C2 I % C5 % C too Right -of -Way 86 0 67 0 69 0 80 0.12 61 0 47 0.49 0.56 Residential 36 0.25 0.33 0.57 0.05 11 0.07 0.10 017 Open Space 2 1 0.05 0 15 0.51 1 0.00 0 0.00 0.00 0.00 TOTAL 1 0,170.55 0550.73 r_in n at arroe Land Use imp C2 C5 C 1 oo Area % Im . % C2 % C5 % C 100 Right -of -Way 86 0.67 0.69 0.80 0.00 0 0.00 0.00 0.00 Residential 36 025 0.33 0.57 0.00 0 0.00 0.00 0.00 Open Space 2 005 016 051 086 2 0.05 0.16 0.51 TOTAL 0.86 2 U.uo nIr n. 1 Raein r-1nA n Al arras Land Use Imp.1 C2 C5 IC1001 Area % Im % C2 I % C5 % C 100 Ri ht-of-Wa 86 0.67 D.69 0.80 0.00 0 0.00 0.00 0.00 Residential 36 1 0.25 0.33 1 0.57 1 0.47 15 010 014 024 Open Space 2 005 O.15 0.51 0 47 1 1 003 0.09 0.30 TOTAL 0.81 16 1 0.13 1 0.23 0.54 Page 1 Basin C-13 0.31 acres Land Use Imp C2 C5 C too Area % Imp. % C2 % C5 % C 100 Rioht-cf-Way 86 0.67 0.69 0.80 0.00 0 0.00 0.00 0.00 Residential 36 0.25 0.33 0.57 0.15 17 012 016 0.28 Open Space 2 005 0 16 051 0.15 1 0.03 0 08 026 TOTAL0.31 1 15 0.15 1 0.24 0.54 Basin C•13A 0.31 acres Land Use Imp. C2 I C5 Clool Area % Im % C2 I % C5 L%c,Do Right -of -Way 86 0.67 069 080 0.00 0 000 0.00 0.00 Residential 36 0 25 0 33 0 57 222 0 000 0.00 0.00 Open Space 2 0.05 016 0.51 0.31 2 0 05 016 0.51 TOTAL.312 0.05 0.15 Page 2 U z CD M W cc LL 0 (n Lu 0 N 0 � N � O V) O W = a z� 0 a Q a o 0 O - r N ■ �■-- Z 0 V) W cM W Ir LL �L H O 0 > a OV) O W S aw a z> a Z sZ Q 00 N K p F- N U)2 o 2 to N U) r N } w Y (11 M-m a ww O w Y lY 2 w i (ww) 11 H J (5C}) AnOIa) w a (4) 416ual K isa4Jul) QZS adid ww %1 adol0. IL (s)o) mold u6lsap Isp) mold laanc W W of N _ LL (SID) c LL O < < 2 U4'ull l (OV) VdO. G C) O a - < t0 (14N111 m m a, m m m m ai ai c� w m m m m < O o 0 0 o c o d o Z z (UIW)J O O O O O O O O WyaOp ii«I� t9 1[] V n vli tp N L O O O O O G O O IOVI eajv 0 m 0 N 0 o c c o -61sap eajv - - U U U V U U �j Iu'Od U&SZC < m ul y q m d U U < < < d v e d Design Point Summary - (modified based upon Rational Method) Design Point Contributing rasins / Design Basin Area Q 2-year 0 100-year (ID) 8 Feature Point (Acres) (CFS) (CFS) 4-A Design Point 3-E 066 0.0 9.5 C-5 066 0.5 4.4 C-6 012 0.5 1,2 C-7 037 0.6 35 C-11 1 45 0.9 91 C-12 045 06 42 SUM 371 3.0 319 Estimated Peak 2.1 17.3 4-B C-10 0.86 0.5 4.3 STM-2 SURFACE FLOW SUM 086 0.5 4.3 Estimated Peak 0.5 4.3 4-C Design Point 4-A 371 20 17.3 (STM4-4) Design Point 4-6 086 00 4.3 SURFACE FLOW C-1 025 04 1.6 C•3 070 0.5 5.1 C-13 0,31 0.1 1.6 SUM 583 31 299 Estimated Peak 2.7 24.4 Page I Design Point Summary - Original (modified based upon Rational Method) esign voint Contributing Basins esign Basin Area 0 2-year Q 100-year (ID) & Feature Point Acres) (CFSI (CFS) 4-A Design Point 3-E 066 0.0 95 C-5 065 05 4.4 C-6 012 04 1.0 C-7 0.37 06 35 C-11 1 45 09 91 C-12 0.45 06 42 SUM 371 29 _ - Estimated Peak 2.0 17.2 4-B C-10 086 02 4 4 STM-2 SURFACE FLOW SUM 0.86 02 4.4 Estimated Peak 0.2 4.4 4-C Design Point 4-A 371 20 172 (STM4-4) Design Point 4-B 086 0.0 44 SURFACE FLOW C-1 025 0.6 1.7 C-3 070 0.5 5 1 C-13 031 0.2 1 7 SUM 5 83 34 301 Estimated Peak 3.0 24.6 Page . Foot ck,4ty Design Point Summary - Original (based upon SWMM Method) Design Point Contributing BasinsDesign Basin Area Q 2-year 0 100-year (ID) 8. Feature Point (Acres) (CFS( (CFS) 4-A Design Point 3-E 066 0.0 9.5 C-5 066 0.5 4A C-6 0.12 0.3 1.2 C-7 037 0.6 35 C-11 1 45 0.9 9.1 C-12 045 0.6 42 SUM 371 2.8 31 9 Estimated Peak 2.0 17.3 4-B C-10 086 0.0 46 STM-2 SURFACE FLOW SUM 0.86 0.0 4.6 Estimated Peak 0.0 4.6 4-C Design Point 4-A 371 2.0 17.3 (STM44) Design Point 4-B 086 0.0 46 SURFACE FLOW C-1 0 25 0.3 24 C-3 070 05 51 C-13 031 0.0 2.3 SUM 583 29 31.7 Estimated Peak 2.6 25.9 I 1 1 1 i 1 Design assumptions are outlined as follows: Estimates for Impervious areas are based on measured areas from the provided site development plan and other listed assumptions: Area Right -of -Way Open -space Residential Impervious Surfacing: of Total % Impervious 22% 86% 31% 2% 47% 36% Assumptions related to impervious surfacing for a typical residential lot are as follows: Residential Lots 8,500 sf (average lot size) Home (w/garage) 2,475 sf Driveway 550 sf Total Impervious 3,025 sf (36% impervious) Attached Impervious Area 1,000 sf (33%) Detached Impervious Area 2,250 sf (67%) Assumptions related to Impervious surfacing for road right-of-ways are as follows: ' Right-of-way 53 ft width % Impervious 86% = 3,295 sf / 3,816 sf (includes driveway, sidewalk and roadway for a typical 72' frontage). Detached impervious ' surfacing is limited to 100/c of total impervious surfacing. Based on the proceeding information, the full build out site plan is estimated to be 36.4% impervious (0.22 x 86) + (0.31 x 2) + (0.47 x 36)). SWMM imput parameters used 37.2% impervious area across the development. See spreadsheet calculations for SWMM basin input In appendix B. ' C.2 Developed Flow Rates ' For analysis of the developed site areas, the overlot grading plan is subdivided into local sub - basins. These sub -basins represent relatively planar SWMM subcatchments tributary to either a full street section, 1/2 gutter sectior, storm sewer inlet locations, or detention ponds as ' Final Stormwater Management Plan - Kechter Crossing Subdivision Project No. C727.07 ° Larimer County, CO ' Page 13 of 26 Szm: copy ,a, downloaded on May-0'-I014 from the City of Fun Collins Public kcwrds websiic: http: citydocs.fcgo%.com ur addmoral infonnanon or an official wpr. plwe con= City of Fan Collins Utilities 700 Wood Strcct Fort Cants. CO 80524 CSF Project: Kochter Crossmy TABLE 2. DEVELOPED BASIN RUNOFF SUMMARY Notes- 5conano t 2-Year Event 100-Year Event Basin Area Average Equivalent Impervious Total Total Total Peak Total Total Total Peak EleID ID IU Slope Width Ama pt. Infiltration Runoff Runoff Pmcipitation InfliZion Runoff % ff '1. inches inches inches ch inches Inches(inches)cfs jcf.) BASIN-901-1 acme 2.09 1520EF205VO 8.00 09B 0,8900 0.08 0.52 367 1.8060 1 77 4.81 20.74 _ BASIN-901_1 _ BASIN-2 BASIN-901-2 2122 1.0900E 10.0E 098 0.681E 0.09 4.86 3.67 2,1210 1.38 6.49 BASIN-901-3 BASIN-901-3 5.3D 1.OD000 2,00 0.98 0.9590 0,02 0.5 3.67 2.470E t.t2 7.8E BASIN-9074 10.55 1.000EE 7 00 0.98 0.959E 0,02 0.6 3.67 2.308E 1.17 BASIN-901-5 _BASIN-9014 BASIN-901-5 58.50 1.OD000 1.DO 0.98 0.959E 0.03 3.2 3.87 2.308EJ2.28 0.81 24.06 BASIN-9010 BASIN-901.6 14.61 1.000E3 10.0E 0.98 6780 0.04 3.7 3.67 1.531E 8113MA-1 BASINA-1 025 1.510E 14.0E 0,98 0.927E 0.04 0.0 3.67129 1496E 2.16 10.82 86MbA-3BASINA-3 BASINA-2 151 7.00004 19.00 096 0.9110 0.05 0.2 3.67 0.504E3.1E 10.57BABINA3BASIN-A-4 1.14 3.50000 7400 0.98 042DO 049 14 3.67 0.9600 2.66 820 BASINA4 1.03 3.500E0 49,00 0.98 0.6490 0.28 0.9 3.57 2.38 1 4.63 BASIN-A-5 BASINA-5 0.77 3.5000 291,54 34.00 0.98 0.7470 0.20 0.5 3.67 1.258E 2.07 5.77 BASINA-8 BASINA-6 0.63 3.5000 46254 60.00 0.98 0.5580 0.35 0.7 3.67 0.7440 146 BASINA-7 BASINA-7 0.15 2.0000 16643 78.00 0.98 0.3340 0.57 0.3 3.97 0.4100 3.18 1.65 16.58 13ASIN-8-1 BASIN-B-1 5.24 3.5000 1561.51 10.0E 0.98 0.9240 M04 0.5 3.67 1.8120 1.91 5.32 BASIN$-2 BASIN43,.2 1.88 4.SOOD 345.0E 13.0E 098 0,9080 0.06 0.3 3.97 1.7510 0.398E 3.19 4.87 BASIN-8-3 BASIM434 0.50 3.5000 375.13 79.0E 098 0,3340 0.57 0.9 3.67 3.33 2.57 BASIN434 BASIN43-4 0,26 2.000E 318.14 86.00 098 0.2000 069 0.6 3.67 0.2560 0.2550 3.33 0.99 BASIN-3S 0_10 2.000E 15714 88.0E 098 0199E 0.69 0.2 3.67 0.525E 3.07 4.70 BASIN-B4 _BASIN-41-5 _ BASIN-0-6 049 3.500E 363.12 7200. 0.9B 04210 048 0.7 3.67 3.67 0.638E 2.73 11.60 BA31N-3-7 RASIN-8-7 1.40 3.500E 653.81 56.00 0.98 0.5290 0.29 1.3 1 3.33 3.47 BASIM43-8 BASIH-43 D.35 2.D000 445.28 88.00 0.98 02000 0.69 08 3.67 0.2560 2.85 8.24 BASIN-8-9 BASIN43.9 0.69 3.5000 474.58 5900 0.98 0.5620 0.36 0.8 3.57 0.784E 2.89 2.4E BASING-1 _ BA31N-41 0.25 3.5000 250.91 61.00 0.98 0.5560 0.36 0.3 3.67 0.72M 3.33 0.89 BASIN-C-2 BASIN-C-2 0.90 2.0000 156.47 86.00 0.98 0.199E 0.69 02 3.67 0.254E 1.0780 2.55 5.08 BASING-3 BASIN-C-3 0.70 2.0000 430.29 43.00 0.98 0.697E 0.24 0.5 3.67 0.585E 3.02 2.96 BASINC4 BASIN-C4 031 2.000E 349.56 68.0E 0.98 0.403E 0.51 D.5 3.67 2.81 4.38 BA31N-C-5 BASINC•6 0.66 3.SD00 194.13 48,00 0.98 0.6600 027 0.5 3.87 1.0080 0.258E 3.12 1.5 BASIN-C-7 BASINC.6 0,12 2.0000 124.73 86.0E 0.98 0.2060 0.69 03 3.67 0470E 3.12 3.5 BASING-7 BASINIr-7 0.37 2.5000 205.90 75.00 0.98 0.3660 0.54 0.8 ].87 2.10 1.9 BASINt-8 BASING$ 0.43 2.000E 199.35 20.00 0.98 0.905E 0.05 0.1 3.67 1,5490 1.7040 1.96 1.5 BASING-9 BASING-9 226 1.000E 375.00 8.00 0.98 0.9530 0.02 0.0 3.67 t86 4.6 BASING-10 BASING-10 086 4.D000 375.00 200 0.98 0,9760 0.00 0.0 3.67 1.808E 2.53 9.1 BASING-11 _ BASING-11 1 45 3.500E 435.0E 4400 0.98 0.7370 0.20 0.9 3.67 3.67 1.0930 0.569E 3.03 4.2 eA31NG-12 BASINC-12 045 2.0000 325.00 70.0E 0.98 0.456E 0.45 0.6 3.67 1.5090 2.14 2.3 BASING-13 _ BASING-13 031 4.000E 296.52 18.0E 0.98 0.916D O.D4 0.0 187 0.137E 7.16 42 BA$IN-0.1 BASIN-0.1 0.42 2.000E 550.0E 76.0E 0.90 0.3210 0.58 0.6 2.54 9.3 M3�1-P2 1.28 25D00 572.37 49.00 098 0.6880 0.24 1.0 3-67 0,9600 2.01 5.3 WMF63 _BASIN-0.2 BASIN-03 143 2.000E 5805E 16.0E 0.98 0.9230 0.04 0.2 3.67 1,6460 4.1 91111,11111111144 BASIN-04 0'" 3.5000 328.65 65.00 0.98 0.5040 041 0 6 3.67 0.8520 2.95 BA SPIDA BASIN-0S 2.39 3.5D00 740,48 43.00 0.9B 0.7730 0.16 1.2 3.67 1.1160 0.2650 2.51 3.33 14.8 17 BA61-E-1 BAStN{-0 0.17 2.00D0 242.90 86.0E 0.96 0.199E 0.69 0.4 3.67 1,5730 2.08 44 BASRFE.2 BASIN-E-2 0.75 5.0DD0 40B 64 16.D0 0.98 0.9620 0.00IT 3.67 1.92 0.8 BASK4 E3 BASIN.E.3 0.09 5.0000 235.58 2 DO 0.98 0.9740 0.0E 3.67 1.7490 1.7420 1.93 O.B BA BASIN{4 0.09 5.000E 315.42 260 0.98 D.9730 0.0E 3.67 1.3130 2.33 4.3 11"A WIN-K-1 BASIN4(-1 0.52 2.000E 657.72 25.0E 0.96 0.7340 0.22 3.67 7207E 2.43 3.9 W1FK4 BASIN -(A 0.47 2000E 525.31 33.0E 0.98 0.655E 0.29 3.67 12190 2.42 2.1 BI41�1-Kd BASIN-(5 027 2.00D0 206.62 33.0E 0.98 0,6550 029 3A7 2.31 17 BBIK%i BASIN-K3 0.2E 2.000E 345.36 25.00 0.98 0.7340 022 3.67 1.3430 2.47 2.9 B�lM4CA BASIN-K-9 0.35 3.500E 26126 35.0E 0.98 0.6360 0.31 3.67 1.174E 2.48 12 BAlIN4(.10 0.14 3.500E 15326 35.0E 0.98 0.836E 0.31 3.67 1.163E 2.47 3.8 WIN�i-11 _BASIN-K•10 BASIN-(-11 0.44 3.500E 435,79 35.DO 0.98 0.636E 0.31 3.67 1.167E r- ,-I Z W Z �~n w Z LL W a z z z z z z O LL Q Q W m W tD U LL l� Q (D U h ry p h W YI Z W J J �L 6 r U V n W wrn °�? 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ELEVATION AND DRAINAGE CERTIFICATE I HEREBY CERTIFY THAT THE GRADING AND DRAINAGE PATTERNS SHOWN HEREON WERE DEVELOPED FROM AN ELEVATION SURVEY OF THE PROPERTY DESCRIBED HEREON. PERFORMED ON THE DATE SHOWN. AND TO THE BEST OF MY KNOWLEDGE AND BELIEF, ACCURATELY DEPICT THE RELATIVE ELEVATIONS AS THEY EXISTED ON THE DATE OF THE SURVEY. THE RELATIVE ELEVATIONS WERE MEASURED TO THE NEAREST 0.1 FEET. THERE IS SUBSTANTIAL POSITIVE SURFACE DRAINAGE AWAY FROM THE FOUNDATION AND THE GRADING AND DRAINAGE PATTERNS SUBSTANTIALLY MEET THE REQUIREMENTS AS SHOWN ON THE PLOT PLAN, DATED 11-14-13 . THE ELEVATIONS DEPICTED HEREON MAY CHANCE SUBSEQUENT TO THE DATE HEREON DUE TO SUBSIDENCE OR UPHEAVAL OF SOILS. ADDITION OR REMOVAL OF SOILS. EROSION OF SOILS BY WIND OR WATER OR OTHER FACTORS. DRAINAGE DRAINAGE SWALES OR FLOW MAY BE BLOCKED BY FENCES. WALKS, LANDSCAPING OR OTHER IMPROVEMENTS, THEREFORE THIS SURVEY MAY NOT ACCURATELY DEPICT THE GRADING AND DRAINAGE PATTERNS SUBSEQUENT TO THE DATE OF THIS SURVEY. DY$ DDCUYEHI K H01 ANIYVRfNEYENi LOCATION CERlIE14lE CR IAND SUMtt P1AT. THE ARM STATEMENT WES NOT WARRANTY TH5 PROPERTY TO BE FREE FROM INSTANCES Of SIANOIND OR SLOW ORNNING WATER AWAY FROM THE FOUNDAMN. B4-L1\ 8 7=4945.50 15'UE I I I I 64-L4 1 8 I 1F-4944.43 PAD-4944.93 I I i I B4-L5 B I 1 I 4944.31 P�1I I ------ - 15'UE I-- 2.5U E I I II I II I I II I II I I II I 2.5'U� 15'UE-4 li - I I'.. EXISTING HOUSE 84-L3 35,863 SF_.., .0 EX. TF. 4943.8f' r II I I I I J II 1 II I —J - I I I Illy �5lIF I r -I 15'UE (� I B5AL3 B5-1-2 \ 7F=4945.60 1F=4945.10 PAD=4944.3 PAD-49418 5-10 UE I z 5'UE� B5-L1 1 7-4944.40 PAD4943.10 1 1 1 FA