The system comprises of a choice of scuppers to collect water from bridge deck surfaces and convey it to the piping system. Modified 72 inch includes end spans and intermediate spans. Indiana design manual idm indot standards and specifications. Hi all, like the title states, a close friend of mine has been losing his vision due to tunnel vision and is nearly completely blind. The macros carry out calculations using values from specific cells in the.
These and other forwardthinking concepts shape the content of the engineering policy guide epg. View and customize product configurations and backgrounds with. It is intended to disseminate information regarding practices and policies to be applied to the design of missouri structures on the state maintained system. Scupper grates shall be designed to meet the allowable spread criteria, but must also be configured to prevent the intrusion of large debris, such as beverage cans, into the scuppers. Note if you are interested in purchase of a hcalculator, please contact the drainage section. After having completed software training at keidel software, the individual calculation steps as well as some sample calculations and the border parameters of. United fiberglass bridge drain systems provide the performance, durability and value you need for your most demanding projects. The contractors are contractually required to follow only the printed bound booklets, namely the njdot standard construction details roadwaytraffic control bridge 2016, the njdot general design criteria and standard drawings for overhead and cantilever sign support structures, 2007, and the njdot standard electrical details, 2007, as of the date of the contract, and the revised details. The secondary bta assigned will be the primarys supervisor, unless otherwise noted in.
This software and other files are intended for use by consultants working for the bridges and structures bureau in their development of projects for the iowa department of transportation. Design of bridge deck drainage should the design process indicate a drainage system is needed, utilization of the most hydraulically efficient and maintenancefree system is emphasized. Bridge scuppers should be used only when necessary to maintain the spread of the gutter flow onto the. These design and assessment spreadsheets were written using microsoft excel 2000 and 2010 and they contain macros.
Stlbridge continuous steel bridge analysis and design software. January 2020 roadway design bulletin 2020 drainage manual. Modot specified the frp bridge drain pipe for a very large project on interstate 70 next to the gateway arch in downtown st. Computes bridge scupper placement, per idot design methodology. We take great pride in providing exceptional customer service while supporting our customers projects with the best quality products available. Design for steel bridge construction from to ensure that a steel bridge design can be safely, economically and reliably executed fabricated, assembled and erected, designers should be aware of the processes of fabrication and erection, the capabilities and limitations of the steelwork contractor and how the design. Structures design office programs library files and links. Calculate the actual gutter flow spread at first scupper. Modified 65 inch includes end spans and intermediate spans. The term is nautical and by analogy relates bridge deck drains to openings. Structural bridge design bridge analysis software autodesk.
Click reactions or axial force to display your results in a nice, clean and easytointerpret graph for your truss design. Modified 74 inch includes end spans and intermediate spans. How to install scuppers on a selfbailing deck it still runs. Cuyahoga county engineer supplement to the 2007 odot bridge. Bridge design standards supplement to the odot bridge. The ponded width is a geometric function of the depth of the water y in the curb and gutter section. Used with fdot standard index 634001, 641010 and 649010 formerly index 17727, 17725 and 17723 for the design and analysis of traffic signal supports consisting of dual cables connected to steel or concrete strain poles in accordance with the 5th ed. The design called for nonstandard pipe fittings, as well as scuppers, cleanouts and other unique equipment. Bridge deck design, at present, often includes costly bridge deck drainage provisions. Import layouts from your existing cad software or draw your storm sewer system onscreen. Design memos idm, standards, and policy updates design manual editable documents. Viathors vbridge and vbent are the industrys most intuitive and powerful bridge design software. Bridge design guidelines assist modots internal staff and outside consultants in performing design work for the department. The scupper systems collect water from bridge deck surfaces to convey this water to appropriate positions beneath the bridge.
Dcalc programs are composed of the following groups. Bridge drain systems united fiberglass of america can help you design an efficient, costeffective fiberglass bridge drainage system from scratch. Rainfall wizard is based on table 12 rainfall data and drainage factors, page 1. Read chapter chapter 5 stormwater treatment controls for bridges. Bridge deck drainage systems are to be designed to accommodate runoff using the design criteria for rainfall intensities and spread of gutter flow set forth in table 1. The foundation of all bridge projects, regardless of bridge type and complexity, is their initial layout, design, and analysis. Bridge information modeling, design, analysis software. Spf overflow scupper miamidade county hvhz electronic roof permit form spf through wall overflow scupper parapet wall height. Simplified bridge solutions software for the average bridge designer. The bridge deck drainage design spreadsheet available in the office in the lrfd bridge design applications folder and on the bridges and structures bureauweb site calculates the spread of water based on the individual characteristics of the bridge. I have a building roof with a rectangular scupper of a given size say 12 wide x 4 tall how much water would flow through that if say the top of water level was say, 3 above the bottom edge of the scupper, and.
Roof drain to roof area sizing schedule use the above sketch in combination with the table of the variable rainfall rates below to determine the appropriate quantity. Water quality impacts of bridge stormwater runoff from. Oct 28, 2014 for over 20 years, hennegan and associates has been the leading supplier of fiberglass drainage systems to contractors all over the midwest. Users can also control settings such as units, display settings. Since bridges are typically located on vertical curves for which the longitudinal slope varies, determination of scupper locations is typically an iterative process. Viathor created the first integral and nonintegral bridge design software. I interpret this to mean that a 2 diameter drain has a nominal area of 3. State bridge design engineer december 2008 georgia department of transportation. Trbs national cooperative highway research program nchrp report 778. Physical modeling on hydraulic performance of rectangular bridge. Qconbridge is a live load analysis program for continuous bridge frames.
You can design, analyze, and optimize your steel or concrete bridge designs in a single, integrated modeling and information management environment based on industry standards to ensure industry compliance through the asset lifecycle. Designs a castinplace concrete bridge abutment on spread footing or pile footing. How do i model a bridge scupper with a vertical drain pipe connected to the bottom of a catch basin, to ensure that it has more capacity than the inlet. Bridge scour definition, causes, calculation of scour depth. Structural bridge design bridge analysis software integrates loading, analysis, and code checking aashto lfrd, eurocodes, and more throughout the project. The full gutter flow at each end using the slope at the bridge end stations is used to size the bridge end drains.
It is particularly useful as a steel bridge truss design software or roof truss calculator. Bridge scupper placement outline, procedure, and equations. Designs a standard highway bridge pier with 1 to 10 columns, spread footing or pile footing. The indot standards and policy division maintains this webpage to provide resources that support the design and development of indot bridge and road projects. He is a very creative and handson guy and on top all the new challenges he faces in everyday life, has had almost every creative outlet pulled from him as his vision has digressed over the last 10yrs. Appendix a roof drain sizing method appendix a is for informational purposes only a101 sizing example the following example gives one method of sizing the primary drain system and sizing the scuppers in the parapet walls. The ease with which all of these tasks can be accomplished makes csibridge the most versatile and productive software program available on the market today. Ensuring the adoption of best practices and design information to promote safety, statewide consistency, efficiency and quality. The rational method is used to calculate the design storm water runoff flow rate.
Use our excel formulas in the downloadable spreadsheet templates to make storm sewer design calculations in s. Stlbridge is a continuous steel bridge analysis and design software package for use in the design of steel bridges conforming to aashto standard specifications for highway bridges or aashto load and resistance factor design specifications. Refer to section 9, deck and deck systems, of this bdm for information about acceptable deck reinforcement sizes and spacing. Free online beam calculator for generating the reactions, calculating the deflection of a steel or wood beam, drawing the shear and moment diagrams for the beam. The software accommodates standard and user defined dc and dw dead loads, and performs strength i, service i, service ii, service iii, and fatigue limit state combinations. The inspector interprets this to mean that for a 2 dia. This software has been developed for the alternate route project.
Assisting in the application of design standards and practices to facilitate the resolution of project development issues. The allowable spread shall be computed as outlined in the odot bridge design manual, by using the procedures described in volume 2 of the odot location and design manual along with. How to install scuppers on a selfbailing deck by chris stevenson. Modeling, analysis and design of bridge structures have been integrated into csibridge to create the ultimate in computerized engineering tools. A vertical hole through a bridge deck for the purpose of deck drainage. Rail post spacings and end of rail details for one or two bar metal rails. The layout of the spreadsheet should not be changed. Bridgedrain scuppers offers an excellent drainage solution for bridge applications. The key advantage on our scuppers is its lightweight construction. The inlet spacing spreadsheet xls 167 kb combines the procedures described in the wsdot hydraulics manual to calculate roadway runoff and inlet interception of a continuous curb and gutter run for a roadway. Chapter 5 stormwater treatment controls for bridges bridge. The bridge and structures office has identified a primary bridge technical advisor bta for the following construction projects in accordance with the wsdot bridge design manual section 1.
Scuppers are used to provide an outlet through parapet walls or gravel stops on flat and builtup roofs to allow drainage of excess water. Calculates moments, shears and reactions for composite and noncomposite bridges with variable i, 1 to 6 spans. Roadway design florida department of transportation. How to model a bridge scupper openflows hydraulics and. Design bridge end treatments the flow in the gutters at each end of the bridge will not exceed the design spread of t 10 feet with the provided inlets. Bridge scupper placement outline, procedure, and equations determine distance from high elevation to first scupper one variable affecting scupper location is longitudinal roadway slope. Easily design bridges for aashto lrfd or lfd specifications with these fully interactive programs. Dec 01, 20 bridge scour definition is that it is a process due to which the particles of the soil or rock around the periphery of the abutment or pier of the highway bridge spanning over a water body, gets eroded and removed over a certain depth called scour depth. In general, live load effects can be calculated by modeling the deck as a beam supported on.
This drain type is a closed system consisting of a deck grate, scupper, and piping system to conduct the deck drainage to an abutment or pier where it can be discharged near ground level. But id like to know if there is a simple and hopefully conservative way to calculate the flow rate of a rectangular roof scupper. Integration of practical drainage details into overall structural design is presented. The manual also stresses the advantages of designing to minimize the complexity of bridge deck drainage systems. Conduits are assumed to be horizontal, so connecting a nearvertical conduit downstream of the catch basin may not work well. The manual is a compendium of bridge drainage design guidance. Calculates the required thickness of seal coat concrete for watertight cofferdams in water, per idot. Users can also control settings such as units, display settings of truss members etc.
Click the compute button and a split second later youll be presented with a robust design and analysis, rich graphical profiles, surface views and professional reports. A small opening in a curb or barrier through which water can flow from the bridge deck. References keidel software for siphonic roof drainage. This is the free version of our full skyciv beam software. Obsolete standard drawing requests must be made seperately. Weve got the knowhow to help you find the right answers. Bridge scour definition is that it is a process due to which the particles of the soil or rock around the periphery of the abutment or pier of the highway bridge spanning over a water body, gets eroded and removed over a certain depth called scour depth. Where applicable, you can see countryspecific product information, offers, and pricing.
This method converts the roof area to an equivalent roof area for a 4inch rate of rainfall so that table 1108. The scupper usually will interrupt deck reinforcement. Consultant resources illinois department of transportation. For the users convenience, all design graphs and nomographs appear in an appendix. Then, tighten the screws from the inside or outside with a screwdriver. Typical applications bridge decks elevated roads bridgedrain offers an excellent drainage solution for bridge applications.
Quick estimate of flow rate through a roof scupper. The design called for nonstandard pipe fittings, as well as scuppers. Qconbridge performs live load analysis for the aashto lrfd bridge design specification hl93 live load model. A scupper drain creates a void in the bridge deck surface. Because no two bridges are the same, our bridge drainage. The sag worksheet xls 60 kb uses the procedure described in the wsdot hydraulics manual to locate inlets in a sag condition.
The following design method can be used for normal weight concrete with specified compressive strengths up to 15. Areas covered by this subscription will include type, size, and location tsl drawings, technical manuals, bridge cadd support, guide bridge special provisions gbsp files, and all bridge designers abd memos. This request form is not to be used for the contract bidding process. The spreadsheet will automatically calculate the sl at the location of interest. A bridge deck drainage system includes the bridge deck itself, bridge gutters, inlets, pipes, downspouts, and stormwaterpollutionprevention controls. The spread is usually referred to as ponded width t, as shown in figure 1010. The bridge deck drainage design spreadsheet available in the office in. The system is designed by the bridge designer and coordinated with the hydraulics team. The primary structural considerations in bridge deck drainagesystem design are as follows. If the scupper valve has tube guides for a throughbolt design, drill through to the other side of the transom and install the nuts on the threads.