Plan Title: Proposed(24x48 beam) Plan File : h:\padot 8-0\SR York\Str\Design\H&H\2002\SR4017.p05

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1 HEC-RAS September 1998 Version 2.2 U.S. Army Corp of Engineers Hydrologic Engineering Center 609 Second Street, Suite D Davis, California (916) X X XXXXXX XXXX XXXX XX XXXX X X X X X X X X X X X X X X X X X X X XXXXXXX XXXX X XXX XXXX XXXXXX XXXX X X X X X X X X X X X X X X X X X X X X X XXXXXX XXXX X X X X XXXXX PROJECT DATA Project Title: SR4017 York Bermudian Creek Project File : SR4017.prj Run Date and Time: 9/7/ :01:41 AM Project in English units Project Description: Bermudian Creek SR4017 HYDRAULIC CONDITION AT BRIDGE SITE (1/2002) PLAN DATA Plan Title: Proposed(24x48 beam) Plan File : h:\padot 8-0\SR York\Str\Design\H&H\2002\SR4017.p05 Geometry Title: Proposed Condition(PA I-beam 24x48) Geometry File : h:\padot 8-0\SR York\Str\Design\H&H\2002\SR4017.g05 Flow Title Flow File : 50-yr,100-yr, and 500-yr Floods : h:\padot 8-0\SR York\Str\Design\H&H\2002\SR4017.f03 Plan Summary Information: Number of: Cross Sections = 10 Mulitple Openings = 0 Culverts = 0 Inline Weirs = 0 Bridges = 1 Computational Information Water surface calculation tolerance = 0.01 Critical depth calculaton tolerance = 0.01 Maximum number of interations = 20 Maximum difference tolerance = 0.3 Flow tolerance factor = Computation Options Critical depth computed only where necessary Conveyance Calculation Method: At breaks in n values only Friction Slope Method: Average Conveyance Computational Flow Regime: Subcritical Flow FLOW DATA Flow Title: 50-yr,100-yr, and 500-yr Floods Flow File : h:\padot 8-0\SR York\Str\Design\H&H\2002\SR4017.f03 Flow Data (cfs) Page 1 of 7

2 River Reach RS 50-yr 100-yr 500-yr Bermudian Bermudian Boundary Conditions River Reach Profile Upstream Downstream Bermudian Bermudian 50-yr Critical Known WS = 387 Bermudian Bermudian 100-yr Critical Known WS = 388 Bermudian Bermudian 500-yr Critical Known WS = GEOMETRY DATA Geometry Title: Proposed Condition(PA I-beam 24x48) Geometry File : h:\padot 8-0\SR York\Str\Design\H&H\2002\SR4017.g05 REACH: Bermudian RS: 953. Description: 5 Station Elevation Data num= REACH: Bermudian RS: 683. Description: 7.5 Station Elevation Data num= REACH: Bermudian RS: 568. Page 2 of 7

3 Description: 9 Station Elevation Data num= REACH: Bermudian RS: 521. Description: 9.5 Station Elevation Data num= REACH: Bermudian RS: 485. Description: BRIDGE REACH: Bermudian RS: Description: Bridge # 1 Distance from Upstream XS = 1 Deck/Roadway Width = Weir Coefficient = 3.1 Bridge Deck/Roadway Skew = Upstream Deck/Roadway Coordinates num= 24 Page 3 of 7

4 Sta Hi Cord Lo Cord Sta Hi Cord Lo Cord Sta Hi Cord Lo Cord Upstream Bridge Cross Section Data Bank Sta: Left Right Coeff Contr. Expan Downstream Deck/Roadway Coordinates num= 24 Sta Hi Cord Lo Cord Sta Hi Cord Lo Cord Sta Hi Cord Lo Cord Downstream Bridge Cross Section Data Bank Sta: Left Right Coeff Contr. Expan Upstream Embankment side slope = horiz. to 1.0 vertical Downstream Embankment side slope = horiz. to 1.0 vertical Maximum allowable submergence for weir flow =.95 Elevation at which weir flow begins = Energy head used in spillway design = Spillway height used in design = Weir crest shape = Broad Crested Number of Piers = 1 Pier Data Pier Station Upstream= Downstream= Page 4 of 7

5 Upstream num= 2 Width Elev Width Elev Downstream num= 2 Width Elev Width Elev Number of Bridge Coefficient Sets = 1 Low Flow Methods and Data Momentum Cd = 1.33 Yarnell KVal =.9 Selected Low Flow Methods = Highest Energy Answer High Flow Method Pressure and Weir flow Submerged Inlet Cd = Submerged Inlet + Outlet Cd =.8 Max Low Cord = Additional Bridge Parameters Add Friction component to Momentum Add Weight component to Momentum Class B flow critical depth computations use critical depth inside the bridge at the upstream end Criteria to check for pressure flow = Upstream energy grade line REACH: Bermudian RS: Description: REACH: Bermudian RS: 423. Description: 10.5 Station Elevation Data num= REACH: Bermudian RS: 380. Page 5 of 7

6 Description: 11 Station Elevation Data num= REACH: Bermudian RS: 250. Description: 12.5 Station Elevation Data num= REACH: Bermudian RS: 0. Description: 15 Station Elevation Data num= SUMMARY OF MANNING'S N VALUES River:Bermudian Reach River Sta. n1 n2 n3 Bermudian Bermudian Bermudian Bermudian Bermudian Bermudian Bridge Bermudian Bermudian Bermudian Page 6 of 7

7 Bermudian Bermudian SUMMARY OF REACH LENGTHS River: Bermudian Reach River Sta. Left Channel Right Bermudian Bermudian Bermudian Bermudian Bermudian Bermudian Bridge Bermudian Bermudian Bermudian Bermudian Bermudian SUMMARY OF CONTRACTION AND EXPANSION COEFFICIENTS River: Bermudian Reach River Sta. Contr. Expan. Bermudian Bermudian Bermudian Bermudian Bermudian Bermudian Bridge Bermudian Bermudian Bermudian Bermudian Bermudian Page 7 of 7