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HomeMy WebLinkAboutDrainage Report AddendumALPINE ENGINEERING, INC. April 4, 2005 Chad Salli, P.E., Project Engineer Town of Vail 1309 Elkhorn Drive Vail, Colorado 81657 Re: Vail Plaza Hotel drainage report addendum Dear Chad, Alpine Engineering, Inc. (AEI) has received updated building discharge flowrates from the Vail Plaza Hotel project mechanical engineer. The flowrates differ from those indicated in the Drainage Report prepared by AEI in September of 2004. The revised building flowrates affect the culvert in Vail Road. Attached are the revised calculations for this culvert. Please call with any questions. Sinc ly, Don Leinweber, P.E. Alpine Engineering, Inc. P.O. Box 4603 • Frisco, Colorado 80443 • (970) 453 -6064 • Fax (970) 453 -6631 DATE ALPINE ENGINEERING, INC. PAGE -1 OF 2- PAGES PROJECT VAIL - ?L- r1 to W L-V I t'i E-r-K-A �%hCik6- EAJ e. p6i L15 r Lpe A kL a 4,4 M I FFrA L E (�LA A 0^j T1 'T 5 ot I! LA L L-;= 05Z 174 STEEL DRAINAGE AND HIGHWAY CONSTRUCTION PRODUCTS FULL 9( O 8C m 7C 0 6C 3 - 5C 0 t 4C m 30 0 0 20 cc 10 Ce7 0.1 0.2 0.3 0.4 0.5 0.6 )0.7 0.8 0.9 1.0 1.1 1.2 1.3 Figure 3.50 Hydraulic elements of circular corrugated steel and structural plate pipe. Table 3.14 Full Flow Data for Round Pipe, Diameter Area, Hydraulic Diameter, Area, Hydrauliic in. ft2 Radius, ft in. ft2 Radius, ft 12 0.8 0.250 156' 132.7 3.250 15 1.2 0.312 162 143.1 3.375 1.8 0.375 18 168 153.9 3.500 2.4 21 Area i 165.1 3.625 24 3.1 0.500 180 176.7 3.750 30 I 0.625 i � 3.875 36 7.1 0.750 192 201.1 4.000 42 9.6 I 198 2118 4.125 48 12.6 1.000 204 227.0 4.250 54 15.9 1.125 210 Discharge 4.375 60 19.6 i� Hydraulic 254.5 Radius 66 23.8 1.375 222 268.8 4.625 72 28.1 1.500 228 283.5 4.750 78 33.2 1.625 234 298.6 4.875 84 i 1.750 240 314.2 5.000 90 44.2 1.875 246 330.1 5.125 96 50.3 2.000 252 346.4 5.250 102 56.8 2.125 Velocity 363.1 5.375 108 63.6 2.250 264 380.1 5.500 114 70.9 2.375 270 397.6 5.625 120 78.5 2.500 0.1 0.2 0.3 0.4 0.5 0.6 )0.7 0.8 0.9 1.0 1.1 1.2 1.3 Figure 3.50 Hydraulic elements of circular corrugated steel and structural plate pipe. Table 3.14 Full Flow Data for Round Pipe, Diameter Area, Hydraulic Diameter, Area, Hydrauliic in. ft2 Radius, ft in. ft2 Radius, ft 12 0.8 0.250 156' 132.7 3.250 15 1.2 0.312 162 143.1 3.375 1.8 0.375 18 168 153.9 3.500 2.4 21 0.437 174 165.1 3.625 24 3.1 0.500 180 176.7 3.750 30 4.9 0.625 186 I 188.7 3.875 36 7.1 0.750 192 201.1 4.000 42 9.6 0.875 198 2118 4.125 48 12.6 1.000 204 227.0 4.250 54 15.9 1.125 210 240.5 4.375 60 19.6 1.250 216 254.5 4.500 66 23.8 1.375 222 268.8 4.625 72 28.1 1.500 228 283.5 4.750 78 33.2 1.625 234 298.6 4.875 84 38.5 1.750 240 314.2 5.000 90 44.2 1.875 246 330.1 5.125 96 50.3 2.000 252 346.4 5.250 102 56.8 2.125 258 363.1 5.375 108 63.6 2.250 264 380.1 5.500 114 70.9 2.375 270 397.6 5.625 120 78.5 2.500 276 415.5 5.750 126 86.6 2.625 282 433.7 5.875 132 95.0 2.750 288 452.4 6.000 138 103.9 2.875 294 471.4 6.125 144 113.1 3.000 300 490.9 6.250 150 122.7 3.125 r S, t Fi pi La]