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| 1 | ||||||||||||||||||
| 2 | Table A.1.1 | STANDARD FORM 4 | BY: | EPF / FKR | ||||||||||||||
| 3 | Rancho-Fort Apache Storm Drain | HYDROLOGIC CRITERIA AND DRAINAGE DESIGN MANUAL | DATE: | 3/21/2013 | ||||||||||||||
| 4 | LBG Project No.: CCB 1126 | TIME OF CONCENTRATION | ||||||||||||||||
| 5 | FUTURE CONDITIONS | CHKD BY: | JSD | |||||||||||||||
| 6 | DATE: | 4/26/2013 | ||||||||||||||||
| 7 | ||||||||||||||||||
| 8 | SUB-BASIN | INITIAL / OVERLAND | TRAVEL TIME | Tc | Tc | Tlag | REMARKS | |||||||||||
| 9 | DATA | TIME (Ti) | (Tt) | Check | ||||||||||||||
| 10 | Lo INITIAL | S | TRAVEL | V1 | V2 | Tlag= | ||||||||||||
| 11 | BASIN | DEV./UN. | CN | K | AREA | AREA | LENGTH | SLOPE | Ti | LENGTH | SLOPE | VELOCITY | VELOCITY | Tt | 0.6Tc/60 | |||
| 12 | (D or U) | Ac | (mi2) | (ft) | % | (min) | (ft) | % | (ft/s) | (ft/s) | (min) | (min) | (min) | (hours) | ||||
| 13 | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9a) | (9b) | (10) | (13) | (14) | |||||
| 14 | NW53-CA | D | 79.1 | 0.6545 | 41.2 | 0.064 | 125 | 2.0 | 7.1 | 3000 | 2.9 | 3.4 | 5.2 | 10.5 | 17.6 | 27.4 | 0.176 | PB = 2.85" |
| 15 | NW53-CB | D | 79.8 | 0.6628 | 81.7 | 0.128 | 125 | 2.0 | 7.0 | 3825 | 2.5 | 3.2 | 4.9 | 14.0 | 21.0 | 31.9 | 0.210 | PB = 2.85" |
| 16 | NW53-CC | D | 87.2 | 0.7615 | 63.5 | 0.099 | 125 | 2.0 | 5.4 | 3055 | 1.7 | 2.7 | 4.0 | 13.7 | 19.1 | 27.7 | 0.191 | PB = 2.85" |
| 17 | NW66-CA | D | 84.0 | 0.7188 | 4.1 | 0.006 | 125 | 2.0 | 6.1 | 2500 | 2.0 | 2.9 | 4.4 | 10.5 | 16.6 | 24.6 | 0.166 | PB = 2.91" |
| 18 | NW66-CB | D | 77.5 | 0.6335 | 6.5 | 0.010 | 125 | 2.0 | 7.5 | 1416 | 2.8 | 3.4 | 5.1 | 5.5 | 12.9 | 18.6 | 0.129 | PB = 2.91" |
| 19 | NW66-CC | D | 84.1 | 0.7197 | 6.0 | 0.009 | 125 | 2.0 | 6.1 | 1504 | 2.7 | 3.3 | 5.0 | 5.9 | 12.0 | 19.1 | 0.120 | PB = 2.87" |
| 20 | NW66-CD | D | 84.1 | 0.7201 | 8.4 | 0.013 | 125 | 2.0 | 6.1 | 1511 | 2.6 | 3.3 | 4.9 | 6.0 | 12.1 | 19.1 | 0.121 | PB = 2.87" |
| 21 | NW66-CE | D | 84.0 | 0.7188 | 6.6 | 0.010 | 125 | 2.0 | 6.1 | 1524 | 2.6 | 3.3 | 4.9 | 6.0 | 12.1 | 19.2 | 0.121 | PB = 2.86" |
| 22 | NW66-CF | D | 84.0 | 0.7188 | 7.9 | 0.012 | 125 | 2.0 | 6.1 | 1493 | 2.5 | 3.2 | 4.9 | 6.0 | 12.1 | 19.0 | 0.121 | PB = 2.86" |
| 23 | NW66-CG | D | 84.1 | 0.7196 | 6.7 | 0.010 | 125 | 2.0 | 6.1 | 1273 | 2.8 | 3.4 | 5.1 | 5.0 | 11.0 | 17.8 | 0.110 | PB = 2.86" |
| 24 | NW66-CI1 | D | 84.1 | 0.7197 | 16.7 | 0.026 | 125 | 2.0 | 6.1 | 1551 | 2.5 | 3.2 | 4.9 | 6.2 | 12.3 | 19.3 | 0.123 | PB = 2.85" |
| 25 | NW66-CI2 | D | 84.0 | 0.7188 | 15.4 | 0.024 | 125 | 2.0 | 6.1 | 1878 | 1.3 | 2.3 | 3.5 | 10.1 | 16.2 | 21.1 | 0.162 | PB = 2.85" |
| 26 | NW66-CI3 | D | 84.1 | 0.7198 | 15.4 | 0.024 | 125 | 2.0 | 6.1 | 2570 | 2.3 | 3.0 | 4.6 | 10.3 | 16.3 | 25.0 | 0.163 | PB = 2.85" |
| 27 | NW66-CJ1 | D | 86.4 | 0.7500 | 2.2 | 0.003 | 125 | 2.0 | 5.6 | 1267 | 2.1 | 2.9 | 4.4 | 5.7 | 11.3 | 17.7 | 0.113 | PB = 2.85" |
| 28 | NW66-CJ2 | D | 84.0 | 0.7193 | 11.2 | 0.018 | 125 | 2.0 | 6.1 | 1623 | 2.3 | 3.1 | 4.7 | 6.7 | 12.8 | 19.7 | 0.128 | PB = 2.85" |
| 29 | NW66-CJ3 | D | 84.3 | 0.7222 | 11.0 | 0.017 | 125 | 2.0 | 6.0 | 1610 | 2.4 | 3.1 | 4.7 | 6.6 | 12.7 | 19.6 | 0.127 | PB = 2.85" |
| 30 | NW66-CJ4 | D | 84.0 | 0.7188 | 3.8 | 0.006 | 125 | 2.0 | 6.1 | 875 | 2.3 | 3.1 | 4.6 | 4.1 | 10.2 | 15.6 | 0.102 | PB = 2.85" |
| 31 | NW66-CJ5 | D | 84.1 | 0.7205 | 6.4 | 0.010 | 125 | 2.0 | 6.1 | 1375 | 2.5 | 3.2 | 4.8 | 5.7 | 11.7 | 18.3 | 0.117 | PB = 2.85" |
| 32 | NW66-CJ6 | D | 84.0 | 0.7188 | 3.8 | 0.006 | 125 | 2.0 | 6.1 | 851 | 2.2 | 3.0 | 4.6 | 4.0 | 10.1 | 15.4 | 0.101 | PB = 2.85" |
| 33 | NW77-CA | D | 80.1 | 0.6672 | 80.3 | 0.125 | 125 | 2.0 | 6.9 | 3864 | 2.7 | 3.3 | 5.0 | 13.7 | 20.6 | 32.2 | 0.206 | PB = 2.98" |
| 34 | NW77-CB | D | 83.7 | 0.7152 | 42.3 | 0.066 | 125 | 2.0 | 6.1 | 2611 | 2.2 | 3.0 | 4.6 | 10.5 | 16.6 | 25.2 | 0.166 | PB = 2.91" |
| 35 | NW77-CC | D | 84.6 | 0.7268 | 4.6 | 0.007 | 125 | 2.0 | 6.0 | 1135 | 2.8 | 3.4 | 5.1 | 4.5 | 10.5 | 17.0 | 0.105 | PB = 2.90" |
| 36 | NW77-CD | D | 86.0 | 0.7456 | 7.3 | 0.011 | 125 | 2.0 | 5.7 | 1637 | 2.6 | 3.3 | 5.0 | 6.4 | 12.0 | 19.8 | 0.120 | PB = 2.90" |
| 37 | NW77-CE | D | 82.5 | 0.6991 | 9.1 | 0.014 | 125 | 2.0 | 6.4 | 1441 | 2.8 | 3.4 | 5.2 | 5.5 | 11.9 | 18.7 | 0.119 | PB = 2.91" |
| 38 | NW77-CF | D | 84.0 | 0.7188 | 3.7 | 0.006 | 125 | 2.0 | 6.1 | 1090 | 2.8 | 3.4 | 5.1 | 4.4 | 10.5 | 16.8 | 0.105 | PB = 2.90" |
| 39 | NW77-CG | D | 84.0 | 0.7188 | 4.3 | 0.007 | 125 | 2.0 | 6.1 | 1250 | 2.5 | 3.2 | 4.8 | 5.2 | 11.3 | 17.6 | 0.113 | PB = 2.90" |
| 40 | NW77-CH | D | 88.0 | 0.7716 | 8.9 | 0.014 | 125 | 2.0 | 5.2 | 1762 | 2.7 | 3.3 | 5.1 | 6.7 | 11.9 | 20.5 | 0.119 | PB = 2.90" |
| 41 | NWBA6-CA | D | 80.0 | 0.6659 | 84.7 | 0.132 | 300 | 2.0 | 10.7 | 3700 | 2.8 | 3.4 | 5.1 | 12.9 | 23.6 | 32.2 | 0.236 | PB = 2.95" |
| 42 | NWBA6-CB | D | 84.3 | 0.7233 | 3.5 | 0.005 | 125 | 2.0 | 6.0 | 1281 | 3.4 | 3.7 | 5.6 | 4.6 | 10.6 | 17.8 | 0.106 | PB = 2.91" |
| 43 | NWBA6-CC | D | 84.3 | 0.7230 | 21.3 | 0.033 | 125 | 2.0 | 6.0 | 2200 | 1.9 | 2.8 | 4.2 | 9.7 | 15.7 | 22.9 | 0.157 | PB = 2.91" |
| 44 | NWBA6-CD | D | 84.0 | 0.7188 | 4.8 | 0.008 | 25 | 2.0 | 2.7 | 840 | 3.1 | 3.6 | 5.4 | 3.4 | 6.1 | 14.8 | 0.061 | PB = 2.91" |
| 45 | NWBA6-CE | D | 84.1 | 0.7202 | 3.9 | 0.006 | 125 | 2.0 | 6.1 | 1146 | 2.1 | 2.9 | 4.4 | 5.3 | 11.4 | 17.1 | 0.114 | PB = 2.93" |
| 46 | NWBA6-CF | D | 83.1 | 0.7070 | 38.9 | 0.061 | 125 | 2.0 | 6.3 | 2587 | 2.1 | 2.9 | 4.4 | 10.7 | 17.0 | 25.1 | 0.170 | PB = 2.95" |
| 47 | NWBA6-CG | D | 84.0 | 0.7188 | 3.2 | 0.005 | 25 | 2.0 | 2.7 | 708 | 3.3 | 3.7 | 5.6 | 2.9 | 5.6 | 14.1 | 0.056 | PB = 2.91" |
| 48 | NWBA6-CH | D | 84.0 | 0.7188 | 3.9 | 0.006 | 25 | 2.0 | 2.7 | 1217 | 2.2 | 3.0 | 4.6 | 5.4 | 8.1 | 16.9 | 0.081 | PB = 2.91" |
| 49 | NWBC3A | D | 93.0 | 0.8376 | 9.5 | 0.015 | 125 | 2.0 | 4.2 | 1075 | 1.5 | 2.5 | 3.7 | 5.9 | 10.1 | 16.7 | 0.101 | PB = 2.87" |
| 50 | NWBC3B | D | 93.0 | 0.8376 | 6.0 | 0.009 | 125 | 2.0 | 4.2 | 855 | 1.7 | 2.7 | 4.0 | 4.6 | 8.8 | 15.4 | 0.088 | PB = 2.87" |
| 51 | NWBC2-CA | D | 82.7 | 0.7017 | 19.3 | 0.030 | 120 | 2.0 | 6.2 | 1465 | 2.5 | 3.2 | 4.8 | 5.9 | 12.1 | 18.8 | 0.121 | PB = 2.95" |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 52 | NWBC2-CB | D | 84.0 | 0.7188 | 20.0 | 0.031 | 125 | 2.0 | 6.1 | 1909 | 2.5 | 3.2 | 4.8 | 7.5 | 13.6 | 21.3 | 0.136 | PB = 2.93" |
| 53 | NWBC2-CC | D | 81.8 | 0.6894 | 131.4 | 0.205 | 125 | 2.0 | 6.6 | 5601 | 2.6 | 3.3 | 4.9 | 19.8 | 26.3 | 41.8 | 0.263 | PB =3.03" |
| 54 | NWBC2-CD | D | 82.4 | 0.6982 | 6.2 | 0.010 | 320 | 1.5 | 11.3 | 2321 | 3.1 | 3.5 | 5.4 | 8.0 | 19.3 | 24.7 | 0.193 | PB = 2.95" |
| 56 | For Developed basins V1 = 20.2 (Slope/100)0.5 and V2 = 30.6 (Slope/100)0.5 | |||||||||||||||||
| 57 | For Existing basins V1 = 14.8 (Slope/100)0.5 and V2 = 29.4 (Slope/100)0.5 | |||||||||||||||||
| 58 | If the Travel Length is greater than 500 ft then Tt = 500/(60 V1) + (Travel Length - 500)/(60 V2) | |||||||||||||||||
| 59 | If the Travel Length is less than 500 ft then Tt = Travel Length/(60 V2) | |||||||||||||||||
| 60 | Tc = Ti + Tt | |||||||||||||||||
| 78 | ||||||||||||||||||