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HomeMy WebLinkAboutDrainage ReportThe Courtyards of Carmel Page 1 Kimley-Horn Project 170177001 The Courtyards of Carmel Northeast corner of 136th Street and Keystone Avenue Carmel, Hamilton County, Indiana Preliminary Drainage Report Original: October 12, 2020 Revised: December 12, 2020 Prepared For: Epcon Communities, Inc. 500 Stonehenge Parkway Dublin, Ohio 43015 Prepared By: Kimley-Horn and Associates, Inc. Brett A. Huff 250 East 96th Street, Suite 580 Indianapolis, IN 46240 Phone: (317) 912-4129 INSR ADDL SUBR LTR INSR WVD DATE (MM/DD/YYYY) PRODUCER CONTACT NAME: FAXPHONE (A/C, No):(A/C, No, Ext): E-MAIL ADDRESS: INSURER A : INSURED INSURER B : INSURER C : INSURER D : INSURER E : INSURER F : POLICY NUMBER POLICY EFF POLICY EXPTYPE OF INSURANCE LIMITS(MM/DD/YYYY)(MM/DD/YYYY) COMMERCIAL GENERAL LIABILITY AUTOMOBILE LIABILITY UMBRELLA LIAB EXCESS LIAB WORKERS COMPENSATION AND EMPLOYERS' LIABILITY DESCRIPTION OF OPERATIONS / LOCATIONS / VEHICLES (ACORD 101, Additional Remarks Schedule, may be attached if more space is required) AUTHORIZED REPRESENTATIVE INSURER(S) AFFORDING COVERAGE NAIC # Y / N N / A (Mandatory in NH) ANY PROPRIETOR/PARTNER/EXECUTIVE OFFICER/MEMBER EXCLUDED? EACH OCCURRENCE $ DAMAGE TO RENTED $PREMISES (Ea occurrence)CLAIMS-MADE OCCUR MED EXP (Any one person)$ PERSONAL & ADV INJURY $ GENERAL AGGREGATE $GEN'L AGGREGATE LIMIT APPLIES PER: PRODUCTS - COMP/OP AGG $ $ PRO- OTHER: LOCJECT COMBINED SINGLE LIMIT $(Ea accident) BODILY INJURY (Per person)$ANY AUTO OWNED SCHEDULED BODILY INJURY (Per accident)$AUTOS ONLY AUTOS AUTOS ONLY HIRED PROPERTY DAMAGE $AUTOS ONLY (Per accident) $ OCCUR EACH OCCURRENCE $ CLAIMS-MADE AGGREGATE $ DED RETENTION $$ PER OTH- STATUTE ER E.L. EACH ACCIDENT $ E.L. DISEASE - EA EMPLOYEE $ If yes, describe under E.L. DISEASE - POLICY LIMIT $DESCRIPTION OF OPERATIONS below POLICY NON-OWNED SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE EXPIRATION DATE THEREOF, NOTICE WILL BE DELIVERED IN ACCORDANCE WITH THE POLICY PROVISIONS. THIS IS TO CERTIFY THAT THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIOD INDICATED. NOTWITHSTANDING ANY REQUIREMENT, TERM OR CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THIS CERTIFICATE MAY BE ISSUED OR MAY PERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS, EXCLUSIONS AND CONDITIONS OF SUCH POLICIES. LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS. THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER. THIS CERTIFICATE DOES NOT AFFIRMATIVELY OR NEGATIVELY AMEND, EXTEND OR ALTER THE COVERAGE AFFORDED BY THE POLICIES BELOW. THIS CERTIFICATE OF INSURANCE DOES NOT CONSTITUTE A CONTRACT BETWEEN THE ISSUING INSURER(S), AUTHORIZED REPRESENTATIVE OR PRODUCER, AND THE CERTIFICATE HOLDER. IMPORTANT: If the certificate holder is an ADDITIONAL INSURED, the policy(ies) must have ADDITIONAL INSURED provisions or be endorsed. If SUBROGATION IS WAIVED, subject to the terms and conditions of the policy, certain policies may require an endorsement. A statement on this certificate does not confer any rights to the certificate holder in lieu of such endorsement(s). COVERAGES CERTIFICATE NUMBER:REVISION NUMBER: CERTIFICATE HOLDER CANCELLATION © 1988-2015 ACORD CORPORATION. All rights reserved. The ACORD name and logo are registered marks of ACORDACORD 25 (2016/03) ACORDTM CERTIFICATE OF LIABILITY INSURANCE National Union Fire Ins. Co. Aspen American Insurance Company New Hampshire Ins. Co. Lloyds of London 5/04/2020 Greyling Ins. Brokerage/EPIC 3780 Mansell Road, Suite 370 Alpharetta, GA 30022 Jerry Noyola 770-552-4225 866-550-4082 jerry.noyola@greyling.com Kimley-Horn and Associates, Inc. 421 Fayetteville Street, Suite 600 Raleigh, NC 27601 19445 43460 23841 085202 20-21 A X X X Contractual Liab X X 5268169 04/01/2020 04/01/2021 1,000,000 500,000 25,000 1,000,000 2,000,000 2,000,000 A X X X 4489663 04/01/2020 04/01/2021 2,000,000 B X X X 0 CX005FT20 04/01/2020 04/01/2021 5,000,000 5,000,000 C A N 015893685 (AOS) 015893686 (CA) 04/01/2020 04/01/2020 04/01/2021 04/01/2021 X 1,000,000 1,000,000 1,000,000 D Professional Liab B0146LDUSA2004949 04/01/2020 04/01/2021 Per Claim $2,000,000 Aggregate $2,000,000 Sample Certificate 1 of 1 #S2204034/M2102751 KIMLHORNClient#: 25320 JNOY1 The Courtyards of Carmel Page 2 Kimley-Horn Project 170177001 TABLE OF CONTENTS 1.0. PROJECT SUMMARY 2.0. INTRODUCTION 3.0. EXISTING CONDITIONS 4.0. PROPOSED CONDITIONS Appendix A: Project Site Maps Appendix B: Pre-Developed Conditions and Watershed Map Appendix c: Proposed ICPR Pond Calculations and Basin Map The Courtyards of Carmel Page 3 Kimley-Horn Project 170177001 1.0 Project Summary Project Name: The Courtyards of Carmel Location: Northeast corner of 136th Street and Keystone Avenue Carmel, Hamilton County, Indiana Report Type: Drainage Report Reviewing Agency: City of Carmel / Hamilton County Surveyor’s Office Basin Runoff Calculations: SCS Method – ICPR Modeling, Rational Method Stormwater Quality: Wet Detention Ponds in series with Structural BMP’s Stormwater Quantity: Wet Detention Ponds Design Standards: City of Carmel Stormwater Technical Standards 2.0. Introduction Kimley-Horn and Associates, Inc. has been retained by Epcon Communities, Inc. to provide civil engineering services for the proposed single-family residential subdivision development of this property to be known as the “The Courtyards of Carmel” subdivision. The overall project site contains approximately 59 acres of land. This site will be constructed in multiple phases. This fully developed site will drain through storm sewers into two detention ponds that will detain the stormwater for this site to meet allowable release rates. The storm outlet for this site is at the southern end of the site through an existing culvert under Keystone Avenue. The overall project will consists of road, utility infrastructure and mass grading construction for the development of this subdivision. 3.0. Existing Conditions FEMA According to FEMA Flood Insurance Rate Maps 18057C0226G November 19, 2014, provided in Appendix A, the entire overall site resides within Zone X Flood Hazard Area. Soil Characteristics Per the United States Geological Survey’s (USGS) Natural Resources Conservation Service (NRCS) Web Soil Survey, the site soils and percentages are shown in Appendix A for the NRCS Web Soil Survey information. Existing Site Conditions This project site consists of mostly agriculture with some woods. The site mostly drains from north to south. There is an abandoned home on this site that is considered a Historic Home site and will be preserved. 6.5 Acres of the northern side of this site drains to the northwest. The remainder of the site drains from north to south to an existing outlet under Keystone Avenue. The Courtyards of Carmel Page 4 Kimley-Horn Project 170177001 4.0. Proposed Conditions The proposed site will drain via sheet and shallow concentrated flow to the inlets provided within the proposed sewer on site. The proposed development utilizes storm pipes to convey the runoff from the future lots to the proposed wet detention ponds located on the southern portion of the site. The proposed detention design for storm runoff has been designed in order to meet the intent of the City of Carmel Stormwater Technical Standards Manual and the Hamilton County Surveyor’s Office Allowable Release Rates. Refer to Appendix B for Proposed Conditions Drainage Map. The proposed wet detention ponds have been designed to detain the entire 59-acre developed project site. The proposed ponds will detain the onsite storm runoff with controlled outlet structures to meet required release rates. ICPR Storm Modeling was used to determine that the proposed release rates for the site will meet the allowable release rates defined by the Hamilton County Surveyor’s Office. The entire area surrounding this project site has been developed and storm water has been mostly accounted for except for a small 0.4 acre offsite area at the far northeast corner of the project. There are two areas that will remain undisturbed (6.84 acres) and this acreage has been removed from the current watershed acres to the south on this project. So, of the current 52.72 acres that currently sheds to the south, with the undisturbed acreage subtracted equals 45.88 acres that is used to calculate the allowable release rates shown in the table below. The 0.4 acres of offsite is allowed to be bypassed through this site. The flow for the offsite 0.4 acres is noted in the chart below and is added to the standard allowable release rates. The table below indicates the proposed and existing runoff from the site as well as flow from the offsite area using the SCS Curve Number method. 10-YEAR 100-YEAR PRE-DEVELOPED 41.60 cfs 61.35 cfs POST DEVELOPED Allowable Discharge to Outlet 4.59 cfs (0.1 x 45.88 Ac)13.76 cfs (0.3 x 45.88 Ac) Offsite 0.4 acre flow 1.29 cfs 1.79 cfs Total Allowable Discharge to Outlet w/Offsite 5.88 cfs 15.55 cfs Total Discharge to Outlet (with Offsite)5.01 cfs 14.36 cfs Stormwater Quality Stormwater quality treatment will be provided with two proposed wet detention ponds in series. Structural BMP’s are noted as well on storm runs that are adjacent to roadways prior to entering the southernmost pond as a pre-treatment water quality measure. Other areas with storm sewers that are only collecting small areas of runoff will be designed with Snouts in the downstream curb inlet structures. Outlet control structures are proposed to slow initial rain events first flush and allow pollutants and sediment to settle out in the pond before leaving the site. The two ponds in series, both with outlet control structures along with the Structural BMP’s will provide excellent water quality treatment for this site. The Courtyards of Carmel Page 5 Kimley-Horn Project 170177001 Appendix A: Project Site Maps The Courtyards of Carmel Page 6 Kimley-Horn Project 170177001 Appendix B: PRE-DEVELOPED CONDITIONS AND WATERSHED MAP PRE-DEVELOPED PEAK FLOW CALCULATIONS PROJECT:Courtyards of Carmel BY:Brett Huff DATE:1-Dec-20 Cover Type Condition Soil Group Weighted Runoff Coefficient C Undeveloped Wooded Good Cover 0.20 Undeveloped Cultivated Land No Conservation Treatment 0.45 Fully Developed Impervious Rooftop 0.90 Undeveloped Pasture Poor 0.30 Basin Area (ac) Weighted CWooded - Good Cover Cultivated Land - No Conservation Treatment Impervious - Rooftop Pasture - Poor Total EXA 23.02 19.97 0.09 9.64 52.72 0.31 EXB 2.29 4.21 0.00 -6.50 0.36 OFF ----0.40 0.40 Fully Developed By Others, Residential 1/3 AC Lots SHEET FLOW SHALLOW CONCENTRATED FLOW OPEN CHANNEL / PIPE FLOW TOTAL Tc = (0.007(nL)^0.8)/(P2^0.5)(s^0.4)Tc = L / 60*V Tc = L / 60*V 2-year/24-hr Rainfall Depth (in.) =2.66 V = (1.49/n)*R^(2/3)*s^(1/2) Basin Length Condition Slope Manning's Tc1 Length Vavg Tc2 Length Width Vavg Tc3 TcTOTAL * (ft)(ft/ft)"n"(min)(ft)(ft/s)(min)(ft)(ft)(ft/s)(min)(min) EXA 100 Woods - Light Underbrush 0.0100 0.400 31.1 1747 2.00 14.6 742 2.50 4.95 51 EXB 100 Woods - Light Underbrush 0.0100 0.400 31.1 861 2.00 7.2 0 2.50 0.00 38 OFF 5 Peak Flow 10-YR Storm Time of Concentration (min)Intensity (i)Q (cfs) EXA 51 min 2.51 in/hr 41.60 cfs EXB 38 min 3.04 in/hr 7.16 cfs OFF 5 min 8.09 in/hr 1.29 cfs Peak Flow 100-YR Storm Time of Concentration (min)Intensity (i)Q (cfs) EXA 51 min 3.70 in/hr 61.35 cfs EXB 38 min 4.39 in/hr 10.34 cfs OFF 5 min 11.20 in/hr 1.79 cfs SMOKEY HOLLOW PLACE SMOKEY RIDGE TRACESMOKEY RIDGE TRAILSMOKEY RIDGE LANEDRIFTWOOD DRIVEMILLGATE DRIVELAURA VISTA DRIVE MATT STREET MARALICE DRIVEMILLGATE COURTKEYSTONE PARKWAY (US 431)136TH STREETKEYSTONE PARKWAY (US 431)KEYSTONE PARKWAY (US 431)DRIFTWOODCIRCLE©THE COURTYARDSOF CARMELPRIMARY PLATPRE-DEVELOPEDAREA MAP1 OF 2NORTH The Courtyards of Carmel Page 7 Kimley-Horn Project 170177001 Appendix C: Proposed ICPR Pond Calculations and Basin Map PROJECT:COURTYARD OF CARMEL BY:BAH DATE:7-Dec-20 Site Soil Hydrologic Group % A 0.0% B 80.1% C 0.0% D 19.9% Total 100.0% Cover Type Condition Soil Group Weighted Runoff Coefficient Soil Group Weighted CN C Actual Soil Group Next Less Impervious Soil Group Undeveloped Cultivated Land No Conservation Treatment 0.45 83 89 Fully Developed Residential 1/8 Acre Lots 0.45 86 90 (65% Impervious) Fully Developed Residential 1/4 Acre Lots 0.45 77 84 (38% Impervious) Fully Developed Residential 1/2 Acre Lots 0.35 73 81 (25% Impervious) Fully Developed Impervious Paved 0.95 98 98 Fully Developed Open Space Good Condition (>75% Cover)0.30 65 75 Water Pond or Lake -1.00 100 100 Basin Area (ac) Weighted C Weighted CN Weighted CN Residential - 1/2 Acre Lots Cultivated Land - No Conservation Treatment Residential - 1/8 Acre Lots Impervious - Paved Open Space - Good Condition (>75% Cover)Water - Pond or Lake Total Actual Soil Group Next Less Impervious Soil Group L1 --12.58 -3.37 0.34 16.29 0.43 75 82 L2 --23.97 0.81 8.22 1.93 34.93 0.46 76 83 DB ---0.79 0.47 -1.26 0.71 86 89 OFF ---0.10 0.30 -0.40 0.46 73 81 ICPR TCs.xlsx PROJECT:Courtyard of Carmel BY:BAH DATE:12/7/2020 TIME OF CONCENTRATION CALCULATION POST PROJECT WATERSHED CONDITIONS (ICPR) TR-55 Methodology SHEET FLOW SHALLOW CONCENTRATED FLOW OPEN CHANNEL / PIPE FLOW TOTAL Tc = (0.007(nL)^0.8)/(P2^0.5)(s^0.4)Tc = L / 60*V Tc = L / 60*V 2-year/24-hr Rainfall Depth (in.) =2.66 V = (1.49/n)*R^(2/3)*s^(1/2) Basin Length Condition Slope Manning's Tc1 Length Condition Vavg Tc2 Length Vavg Tc3 TcTOTAL * (ft)(ft/ft)"n"(min)(ft)TR-55 Fig. 3-1 (ft/s)(min)(ft)(ft/s)(min)(min) L1 100 Grass 0.0100 0.150 14.2 240 Gutter/Swale 2.00 2.0 1913 2.50 12.75 29 L2 100 Grass 0.0100 0.150 14.2 320 Gutter/Swale 2.00 2.7 3222 2.50 21.48 38 DB 100 Grass 0.0100 0.150 14.2 50 Gutter/Swale 2.00 0.4 75 2.50 0.50 15 OFF 90 Grass 0.0100 0.150 13.0 0 Gutter/Swale 2.00 0.0 0 2.50 0.00 13 JBS 1 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Simple Basin: Bas DB Scenario:Icpr3 Node:Dry Basin Hydrograph Method:NRCS Unit Hydrograph Infiltration Method:Curve Number Time of Concentration:15.0000 min Max Allowable Q:999999.00 cfs Time Shift:0.0000 hr Unit Hydrograph:UH484 Peaking Factor:484.0 Area:1.2600 ac Curve Number:89.0 % Impervious:0.00 % DCIA:0.00 % Direct:0.00 Rainfall Name: Comment: Simple Basin Runoff Rate: Bas DB [Icpr3] JBS 2 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Simple Basin: Bas L1 Scenario:Icpr3 Node:Lake 1 Hydrograph Method:NRCS Unit Hydrograph Infiltration Method:Curve Number Time of Concentration:29.0000 min Max Allowable Q:999999.00 cfs Time Shift:0.0000 hr Unit Hydrograph:Uh484 Peaking Factor:484.0 Area:16.2900 ac Curve Number:82.0 % Impervious:0.00 % DCIA:0.00 % Direct:0.00 Rainfall Name:NRCS Type II Comment: Simple Basin Runoff Rate: Bas L1 [Icpr3] JBS 3 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Simple Basin: Bas L2 Scenario:Icpr3 Node:Lake 2 Hydrograph Method:NRCS Unit Hydrograph Infiltration Method:Curve Number Time of Concentration:38.0000 min Max Allowable Q:999999.00 cfs Time Shift:0.0000 hr Unit Hydrograph:Uh484 Peaking Factor:484.0 Area:34.9300 ac Curve Number:83.0 % Impervious:0.00 % DCIA:0.00 % Direct:0.00 Rainfall Name:NRCS Type II Comment: Simple Basin Runoff Rate: Bas L2 [Icpr3] JBS 4 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Simple Basin: Bas Off Scenario:Icpr3 Node:Lake 2 Hydrograph Method:NRCS Unit Hydrograph Infiltration Method:Curve Number Time of Concentration:13.0000 min Max Allowable Q:999999.00 cfs Time Shift:0.0000 hr Unit Hydrograph:UH484 Peaking Factor:484.0 Area:0.4000 ac Curve Number:81.0 % Impervious:0.00 % DCIA:0.00 % Direct:0.00 Rainfall Name: Comment: Simple Basin Runoff Rate: Bas Off [Icpr3] JBS 5 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Node: Dry Basin Scenario:Icpr3 Type:Stage/Area Base Flow:0.00 cfs Initial Stage:806.00 ft Warning Stage:810.00 ft Stage [ft]Area [ac]Area [ft2] 806.00 0.0100 436 807.00 0.0500 2178 808.00 0.0700 3049 809.00 0.0900 3920 810.00 0.1100 4792 Comment: Node Stage w/Warning Stage: Dry Basin [Icpr3] Node: Lake 1 JBS 6 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Scenario:Icpr3 Type:Stage/Area Base Flow:0.00 cfs Initial Stage:813.00 ft Warning Stage:818.20 ft Stage [ft]Area [ac]Area [ft2] 813.00 0.3500 15246 814.00 0.4200 18295 815.00 0.4900 21344 816.00 0.5700 24829 817.00 0.6500 28314 818.00 0.7400 32234 819.20 0.8300 36155 Comment: Node Stage w/Warning Stage: Lake 1 [Icpr3] JBS 7 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Node: Lake 2 Scenario:Icpr3 Type:Stage/Area Base Flow:0.00 cfs Initial Stage:809.00 ft Warning Stage:814.00 ft Stage [ft]Area [ac]Area [ft2] 809.00 1.9300 84071 810.00 2.1600 94090 811.00 2.4000 104544 812.00 2.6400 114998 813.00 2.8800 125453 814.00 3.1300 136343 815.00 3.3800 147233 Comment: Node Stage w/Warning Stage: Lake 2 [Icpr3] JBS 8 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Node: Outlet B 100YR Scenario:Icpr3 Type:Time/Stage Base Flow:0.00 cfs Initial Stage:805.00 ft Warning Stage:810.00 ft Boundary Stage: Year Month Day Hour Stage [ft] 0 0 0 0.0000 805.00 0 0 0 12.0000 808.00 0 0 0 30.0000 805.00 Comment: Node Stage w/Warning Stage: Outlet B 100YR [Icpr3] Drop Structure Link: DB-Out B Scenario:Icpr3 Upstream Pipe Downstream Pipe Invert:806.00 ft Invert:805.00 ft JBS 9 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 From Node:Dry Basin To Node:Outlet B 100YR Link Count:1 Flow Direction:Both Solution:Combine Increments:0 Pipe Count:1 Damping:0.0000 ft Length:75.00 ft FHWA Code:1 Entr Loss Coef:0.00 Exit Loss Coef:1.00 Bend Loss Coef:0.00 Bend Location:0.00 dec Energy Switch:Energy Manning's N:0.0130 Manning's N:0.0130 Geometry: Circular Geometry: Circular Max Depth:1.00 ft Max Depth:1.00 ft Bottom Clip Default:0.00 ft Default:0.00 ft Op Table:Op Table: Ref Node:Ref Node: Manning's N:0.0000 Manning's N:0.0000 Top Clip Default:0.00 ft Default:0.00 ft Op Table:Op Table: Ref Node:Ref Node: Manning's N:0.0000 Manning's N:0.0000 Pipe Comment: Weir Component Weir:1 Weir Count:1 Weir Flow Direction:Both Damping:0.0000 ft Weir Type:Sharp Crested Vertical Geometry Type:Circular Invert:806.00 ft Control Elevation:806.00 ft Max Depth:0.50 ft Bottom Clip Default:0.00 ft Op Table: Ref Node: Top Clip Default:0.00 ft Op Table: Ref Node: Discharge Coefficients Weir Default:3.200 Weir Table: Orifice Default:0.600 Orifice Table: Weir Comment: Weir Component Weir:2 Weir Count:1 Weir Flow Direction:Both Damping:0.0000 ft Weir Type:Horizontal Geometry Type:Rectangular Invert:807.80 ft Control Elevation:807.80 ft Max Depth:2.00 ft Max Width:2.00 ft Fillet:0.00 ft Bottom Clip Default:0.00 ft Op Table: Ref Node: Top Clip Default:0.00 ft Op Table: Ref Node: Discharge Coefficients Weir Default:3.200 Weir Table: Orifice Default:0.600 Orifice Table: Weir Comment: Drop Structure Comment: JBS 10 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Drop Structure Link: L1 - L2 Scenario:Icpr3 From Node:Lake 1 To Node:Lake 2 Link Count:1 Flow Direction:Both Solution:Combine Increments:0 Pipe Count:1 Damping:0.0000 ft Length:380.00 ft FHWA Code:1 Entr Loss Coef:0.00 Exit Loss Coef:1.00 Bend Loss Coef:0.00 Bend Location:0.00 dec Energy Switch:Energy Upstream Pipe Downstream Pipe Invert:813.00 ft Invert:809.00 ft Manning's N:0.0130 Manning's N:0.0130 Geometry: Circular Geometry: Circular Max Depth:1.50 ft Max Depth:1.50 ft Bottom Clip Default:0.00 ft Default:0.00 ft Op Table:Op Table: Ref Node:Ref Node: Manning's N:0.0130 Manning's N:0.0130 Top Clip Default:0.00 ft Default:0.00 ft Op Table:Op Table: Ref Node:Ref Node: Manning's N:0.0130 Manning's N:0.0130 Pipe Comment: Weir Component Weir:1 Weir Count:1 Weir Flow Direction:Both Damping:0.0000 ft Weir Type:Sharp Crested Vertical Geometry Type:Circular Invert:813.00 ft Control Elevation:813.00 ft Max Depth:0.67 ft Bottom Clip Default:0.00 ft Op Table: Ref Node: Top Clip Default:0.00 ft Op Table: Ref Node: Discharge Coefficients Weir Default:3.200 Weir Table: Orifice Default:0.600 Orifice Table: Weir Comment: Weir Component Weir:2 Weir Count:1 Weir Flow Direction:Both Damping:0.0000 ft Weir Type:Horizontal Geometry Type:Rectangular Invert:815.50 ft Control Elevation:815.50 ft Max Depth:2.00 ft Max Width:2.00 ft Fillet:0.00 ft Bottom Clip Default:0.00 ft Op Table: Ref Node: Top Clip Default:0.00 ft Op Table: Ref Node: Discharge Coefficients Weir Default:3.200 Weir Table: Orifice Default:0.600 Orifice Table: Weir Comment: JBS 11 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Drop Structure Comment: Drop Structure Link: L2 - Outlet B Scenario:Icpr3 From Node:Lake 2 To Node:Outlet B 100YR Link Count:1 Flow Direction:Both Solution:Combine Increments:0 Pipe Count:1 Damping:0.0000 ft Length:250.00 ft FHWA Code:1 Entr Loss Coef:0.00 Exit Loss Coef:1.00 Bend Loss Coef:0.00 Bend Location:0.00 dec Energy Switch:Energy Upstream Pipe Downstream Pipe Invert:809.00 ft Invert:806.00 ft Manning's N:0.0130 Manning's N:0.0130 Geometry: Circular Geometry: Circular Max Depth:1.50 ft Max Depth:1.50 ft Bottom Clip Default:0.00 ft Default:0.00 ft Op Table:Op Table: Ref Node:Ref Node: Manning's N:0.0000 Manning's N:0.0000 Top Clip Default:0.00 ft Default:0.00 ft Op Table:Op Table: Ref Node:Ref Node: Manning's N:0.0000 Manning's N:0.0000 Pipe Comment: Weir Component Weir:1 Weir Count:1 Weir Flow Direction:Both Damping:0.0000 ft Weir Type:Sharp Crested Vertical Geometry Type:Circular Invert:809.00 ft Control Elevation:809.00 ft Max Depth:0.50 ft Bottom Clip Default:0.00 ft Op Table: Ref Node: Top Clip Default:0.00 ft Op Table: Ref Node: Discharge Coefficients Weir Default:3.200 Weir Table: Orifice Default:0.600 Orifice Table: Weir Comment: Weir Component Weir:2 Weir Count:1 Weir Flow Direction:Both Damping:0.0000 ft Weir Type:Horizontal Geometry Type:Rectangular Invert:813.00 ft Control Elevation:813.00 ft Bottom Clip Default:0.00 ft Op Table: Ref Node: Top Clip Default:0.00 ft Op Table: Ref Node: JBS 12 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Max Depth:2.00 ft Max Width:2.00 ft Fillet:0.00 ft Discharge Coefficients Weir Default:3.200 Weir Table: Orifice Default:0.600 Orifice Table: Weir Comment: Weir Component Weir:3 Weir Count:1 Weir Flow Direction:Both Damping:0.0000 ft Weir Type:Horizontal Geometry Type:Rectangular Invert:811.00 ft Control Elevation:811.00 ft Max Depth:0.83 ft Max Width:1.50 ft Fillet:0.00 ft Bottom Clip Default:0.00 ft Op Table: Ref Node: Top Clip Default:0.00 ft Op Table: Ref Node: Discharge Coefficients Weir Default:3.200 Weir Table: Orifice Default:0.600 Orifice Table: Weir Comment: Drop Structure Comment: Simulation: 002yr Scenario:Icpr3 Run Date/Time:12/8/2020 7:09:48 AM Program Version:ICPR4 4.07.04 General Run Mode:Normal Year Month Day Hour [hr] Start Time:0 0 0 0.0000 End Time:0 0 0 30.0000 Hydrology [sec]Surface Hydraulics [sec] Groundwater [sec] Min Calculation Time:60.0000 0.1000 900.0000 Max Calculation Time:60.0000 Output Time Increments Hydrology JBS 13 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Year Month Day Hour [hr]Time Increment [min] 0 0 0 0.0000 5.0000 Surface Hydraulics Year Month Day Hour [hr]Time Increment [min] 0 0 0 0.0000 5.0000 Groundwater Year Month Day Hour [hr]Time Increment [min] 0 0 0 0.0000 360.0000 Restart File Save Restart:False Resources & Lookup Tables Resources Lookup Tables Rainfall Folder:ICPR3 Boundary Stage Set: Reference ET Folder:Extern Hydrograph Set: Unit Hydrograph Folder: ICPR3 Curve Number Set: Green-Ampt Set: Vertical Layers Set: Impervious Set: Roughness Set: Crop Coef Set: Fillable Porosity Set: Conductivity Set: Leakage Set: Tolerances & Options Time Marching:SAOR IA Recovery Time:24.0000 hr Max Iterations:6 ET for Manual Basins:False Over-Relax Weight Fact: 0.5 dec dZ Tolerance:0.0010 ft Smp/Man Basin Rain Opt: Global Max dZ:1.0000 ft OF Region Rain Opt:Global Link Optimizer Tol:0.0001 ft Rainfall Name:NRCS Type II Rainfall Amount:2.66 in Edge Length Option:Automatic Storm Duration:24.0000 hr Dflt Damping (2D):0.0050 ft Dflt Damping (1D):0.0050 ft Min Node Srf Area (2D): 1 ft2 Min Node Srf Area (1D): 113 ft2 Energy Switch (2D):Energy Energy Switch (1D):Energy JBS 14 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Comment: Simulation: 010yr Scenario:Icpr3 Run Date/Time:12/8/2020 7:11:05 AM Program Version:ICPR4 4.07.04 General Run Mode:Normal Year Month Day Hour [hr] Start Time:0 0 0 0.0000 End Time:0 0 0 30.0000 Hydrology [sec]Surface Hydraulics [sec] Groundwater [sec] Min Calculation Time:60.0000 0.1000 900.0000 Max Calculation Time:60.0000 Output Time Increments Hydrology Year Month Day Hour [hr]Time Increment [min] 0 0 0 0.0000 5.0000 Surface Hydraulics Year Month Day Hour [hr]Time Increment [min] 0 0 0 0.0000 5.0000 Groundwater Year Month Day Hour [hr]Time Increment [min] 0 0 0 0.0000 360.0000 Restart File Save Restart:False Resources & Lookup Tables Resources Lookup Tables Rainfall Folder:ICPR3 Boundary Stage Set: Reference ET Folder:Extern Hydrograph Set: Unit Hydrograph Folder: ICPR3 Curve Number Set: JBS 15 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Green-Ampt Set: Vertical Layers Set: Impervious Set: Roughness Set: Crop Coef Set: Fillable Porosity Set: Conductivity Set: Leakage Set: Tolerances & Options Time Marching:SAOR IA Recovery Time:24.0000 hr Max Iterations:6 ET for Manual Basins:False Over-Relax Weight Fact: 0.5 dec dZ Tolerance:0.0010 ft Smp/Man Basin Rain Opt: Global Max dZ:1.0000 ft OF Region Rain Opt:Global Link Optimizer Tol:0.0001 ft Rainfall Name:NRCS Type II Rainfall Amount:3.83 in Edge Length Option:Automatic Storm Duration:24.0000 hr Dflt Damping (2D):0.0050 ft Dflt Damping (1D):0.0050 ft Min Node Srf Area (2D): 1 ft2 Min Node Srf Area (1D): 113 ft2 Energy Switch (2D):Energy Energy Switch (1D):Energy Comment: Simulation: 100yr Scenario:Icpr3 Run Date/Time:12/8/2020 7:12:23 AM Program Version:ICPR4 4.07.04 General Run Mode:Normal Year Month Day Hour [hr] Start Time:0 0 0 0.0000 End Time:0 0 0 30.0000 Hydrology [sec]Surface Hydraulics [sec] Groundwater [sec] Min Calculation Time:60.0000 0.1000 900.0000 Max Calculation Time:60.0000 JBS 16 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Output Time Increments Hydrology Year Month Day Hour [hr]Time Increment [min] 0 0 0 0.0000 5.0000 Surface Hydraulics Year Month Day Hour [hr]Time Increment [min] 0 0 0 0.0000 5.0000 Groundwater Year Month Day Hour [hr]Time Increment [min] 0 0 0 0.0000 360.0000 Restart File Save Restart:False Resources & Lookup Tables Resources Lookup Tables Rainfall Folder:ICPR3 Boundary Stage Set: Reference ET Folder:Extern Hydrograph Set: Unit Hydrograph Folder: ICPR3 Curve Number Set: Green-Ampt Set: Vertical Layers Set: Impervious Set: Roughness Set: Crop Coef Set: Fillable Porosity Set: Conductivity Set: Leakage Set: Tolerances & Options Time Marching:SAOR IA Recovery Time:24.0000 hr Max Iterations:6 ET for Manual Basins:False Over-Relax Weight Fact: 0.5 dec dZ Tolerance:0.0010 ft Smp/Man Basin Rain Opt: Global Max dZ:1.0000 ft OF Region Rain Opt:Global Link Optimizer Tol:0.0001 ft Rainfall Name:NRCS Type II Rainfall Amount:6.46 in Edge Length Option:Automatic Storm Duration:24.0000 hr Dflt Damping (2D):0.0050 ft Dflt Damping (1D):0.0050 ft JBS 17 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Min Node Srf Area (2D): 1 ft2 Min Node Srf Area (1D): 113 ft2 Energy Switch (2D):Energy Energy Switch (1D):Energy Comment: Node Max Conditions [Icpr3] Node Name Sim Name Warning Stage [ft] Max Stage [ft] Min/Max Delta Stage [ft] Max Total Inflow [cfs] Max Total Outflow [cfs] Max Surface Area [ft2] Dry Basin 002yr 810.00 808.19 0.0010 1.99 1.51 3214 Dry Basin 010yr 810.00 808.43 0.0010 3.35 2.27 3423 Dry Basin 100yr 810.00 809.09 -0.0010 6.47 3.59 3995 Lake 1 002yr 818.20 814.81 -0.0010 13.18 1.79 20758 Lake 1 010yr 818.20 815.87 -0.0010 25.07 7.61 24383 Lake 1 100yr 818.20 818.13 0.0010 54.16 11.92 32654 Lake 2 002yr 814.00 810.79 0.0010 28.01 1.06 102322 Lake 2 010yr 814.00 811.40 0.0010 51.72 4.78 108719 Lake 2 100yr 814.00 813.45 0.0010 117.05 13.99 130310 Outlet B 100YR 002yr 810.00 808.00 0.0042 1.69 0.16 0 Outlet B 100YR 010yr 810.00 808.00 0.0042 5.01 0.15 0 Outlet B 100YR 100yr 810.00 808.00 0.0042 14.36 0.11 0 Simple Basin Runoff Summary [Icpr3] Basin Name Sim Name Max Flow [cfs] Time to Max Flow [hrs] Total Rainfall [in] Total Runoff [in] Area [ac]Equivalent Curve Number % Imperv % DCIA Bas DB 002yr 1.99 11.9167 2.66 1.60 1.2600 89.0 0.00 0.00 Bas L1 002yr 13.18 12.1667 2.66 1.12 16.2900 82.0 0.00 0.00 Bas L2 002yr 26.54 12.2833 2.66 1.18 34.9300 83.0 0.00 0.00 Bas Off 002yr 0.41 11.8833 2.66 1.06 0.4000 81.0 0.00 0.00 Bas DB 010yr 3.35 11.9000 3.83 2.67 1.2600 89.0 0.00 0.00 Bas L1 010yr 25.07 12.1500 3.83 2.06 16.2900 82.0 0.00 0.00 Bas L2 010yr 49.33 12.2667 3.83 2.14 34.9300 83.0 0.00 0.00 Bas Off 010yr 0.82 11.8833 3.83 1.98 0.4000 81.0 0.00 0.00 Bas DB 100yr 6.48 11.9000 6.46 5.19 1.2600 89.0 0.00 0.00 Bas L1 100yr 54.16 12.1167 6.46 4.42 16.2900 82.0 0.00 0.00 Bas L2 100yr 104.38 12.2333 6.46 4.53 34.9300 83.0 0.00 0.00 Bas Off 100yr 1.84 11.8833 6.46 4.32 0.4000 81.0 0.00 0.00 JBS 18 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Link Min/Max Conditions [Icpr3] Link Name Sim Name Max Flow [cfs] Min Flow [cfs]Min/Max Delta Flow [cfs] Max Us Velocity [fps] Max Ds Velocity [fps] Max Avg Velocity [fps] DB-Out B - Pipe 002yr 1.51 -0.16 -0.04 0.00 0.00 0.00 DB-Out B - Weir: 1 002yr 0.26 -0.15 -0.07 1.30 1.30 1.30 DB-Out B - Weir: 2 002yr 1.39 -0.08 0.01 0.52 0.52 0.52 L1 - L2 - Pipe 002yr 1.79 0.00 0.00 0.00 0.00 0.00 L1 - L2 - Weir: 1 002yr 1.79 0.00 -0.01 5.08 5.08 5.08 L1 - L2 - Weir: 2 002yr 0.00 0.00 0.00 0.00 0.00 0.00 L2 - Outlet B - Pipe 002yr 1.06 0.00 0.00 0.00 0.00 0.00 L2 - Outlet B - Weir: 1 002yr 1.06 0.00 0.00 5.42 5.42 5.42 L2 - Outlet B - Weir: 2 002yr 0.00 0.00 0.00 0.00 0.00 0.00 L2 - Outlet B - Weir: 3 002yr 0.00 0.00 0.00 0.00 0.00 0.00 DB-Out B - Pipe 010yr 2.27 -0.15 -0.04 0.00 0.00 0.00 DB-Out B - Weir: 1 010yr 0.30 -0.15 -0.07 1.53 1.53 1.53 DB-Out B - Weir: 2 010yr 2.14 0.00 0.00 0.62 0.62 0.62 L1 - L2 - Pipe 010yr 7.61 0.00 0.02 0.00 0.00 0.00 L1 - L2 - Weir: 1 010yr 2.23 0.00 -0.01 6.32 6.32 6.32 L1 - L2 - Weir: 2 010yr 5.81 0.00 0.02 1.95 1.95 1.95 L2 - Outlet B - Pipe 010yr 4.78 0.00 0.01 0.00 0.00 0.00 L2 - Outlet B - Weir: 1 010yr 1.15 0.00 0.00 5.83 5.83 5.83 L2 - Outlet B - Weir: 2 010yr 0.00 0.00 0.00 0.00 0.00 0.00 L2 - Outlet B - Weir: 3 010yr 3.76 0.00 0.01 2.02 2.02 2.02 DB-Out B - Pipe 100yr 3.59 -0.11 -0.03 0.00 0.00 0.00 DB-Out B - Weir: 1 100yr 0.39 -0.11 -0.07 1.98 1.98 1.98 DB-Out B - Weir: 2 100yr 3.42 0.00 0.00 0.86 0.86 0.86 L1 - L2 - Pipe 100yr 11.92 0.00 0.03 0.00 0.00 0.00 L1 - L2 -100yr 2.23 0.00 0.04 6.32 6.32 6.32 JBS 19 K:\IND_LDEV\170177001_Epcon_Courtyards_of_Carmel_Carmel_IN\2 Design\Drainage\Preliminary Drainage\12/8/2020 07:32 Link Name Sim Name Max Flow [cfs] Min Flow [cfs]Min/Max Delta Flow [cfs] Max Us Velocity [fps] Max Ds Velocity [fps] Max Avg Velocity [fps] Weir: 1 L1 - L2 - Weir: 2 100yr 10.95 0.00 0.03 2.74 2.74 2.74 L2 - Outlet B - Pipe 100yr 13.99 0.00 -0.02 0.00 0.00 0.00 L2 - Outlet B - Weir: 1 100yr 1.29 0.00 0.00 6.57 6.57 6.57 L2 - Outlet B - Weir: 2 100yr 7.63 0.00 -0.02 2.14 2.14 2.14 L2 - Outlet B - Weir: 3 100yr 8.18 0.00 0.01 6.57 6.57 6.57 ©THE COURTYARDSOF CARMELPRIMARY PLATPOST-DEVELOPEDPOND MODELINGBASIN AREA MAPB1NORTH