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  • Stormwater Control Facilities Technical Document

    To download Stormwater Control Facilities Technical Document PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Stormwater Control Facilities Technical Document (PDF File)
    File Size: 1336013 bytes
    File Date: Wed Apr 9 09:24:02 2008

    This 46 page technical document provides an overview of structural stormwater controls such as detention ponds, wetlands, bioretention areas, sand filters, and swales. Structural stormwater controls are engineered facilities designed to treat stormwater runoff and/or mitigate the effects of increased stormwater runoff peak rate, volume, and velocity due to urbanization. This design document is from the Georgia Stormwater Management Manual.

  • Free Download Manager

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Free Download Manager (EXE File)
    File Size: 5703903 bytes
    File Date: Tue Mar 18 02:35:02 2008

    Accelerate the speed of downloads 600% faster! This is no ordinary download accelerator, but a very powerful tool which can function as a site manager, accelerator, site explorer, and scheduler.

    If you are fed up with low connection speed and slow downloads of files and websites then this free tool will solve your problems. Using the entire bandwidth of your internet connection it can speed-up the downloading process from slow web sites. This tool can resume downloads even after it has been interrupted, allowing you to restart the download again. It even warns you if resuming is not supported by the servers.

    And if that was not enough, you can even download videos from YouTube and Google Videos into numerous formats on to your computer with ease!

  • Stormwater Best Management Practices

    To download Stormwater Best Management Practices PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Stormwater Best Management Practices (PDF File)
    File Size: 494705 bytes
    File Date: Fri Aug 24 07:57:13 2007

  • Cyberhawk for Windows

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    Cyberhawk (EXE File)
    File Size: 8549968 bytes
    File Date: Fri Aug 24 07:59:01 2007

    Cyberhawk is a free software that can detect malicious processes and prevent their functioning on your computer, without the need of a signature update. This is great news since malware threats are spreading very fast and their morphing would escape the signature provided by the antivirus company.

    Cyberhawk is easy-to-use and displays its current monitoring status in the system tray, allowing you to quickly suspend any malware software activity on your computer. Cyberhawk continuously monitors your computer and as soon as any malicious activity is detected, it is stopped. That way, you benefit from 24/7 protection.

  • Manning's Roughness Coefficients

    To download Manning's Roughness Coefficients Guide PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Verified Roughness Characteristics of Natural Channels Guide (PDF File)
    File Size: 5283414 bytes
    File Date: Thu Oct 28 11:47:51 2004

    Download Guide for Selecting Manning's Roughness Coefficients for Natural Channels and Flood Plains (PDF File)
    File Size: 3593796 bytes
    File Date: Fri Sep 22 06:36:11 2006

    Download Guide for Selecting Manning's Roughness Coefficients (PDF file)
    File Size: 6551792 bytes
    File Date: Wed Jul 18 09:28:04 2007

    Most hydraulic computations related to estimates of discharge require an evaluation of the roughness characteristics of the channel and overbanks. Due to the absence of a satisfactory quantitative procedure, this evaluation remains chiefly an art. The ability to evaluate roughness coefficients must be developed through experience.

    One means of gaining this experience is by examining and becoming acquainted with the appearance of some typical channels and overbanks whose roughness coefficients are known.

  • Apple Safari Beta 3 for Windows

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    Safari Beta 3 (EXE File)
    File Size: 8358800 bytes
    File Date: Wed Jul 18 09:30:28 2007

    You have heard of the iPod. You have seen the iPhone. Now, Apple has brought the Mac interface to the PC with their newly launched Safari Web browser for Windows. Apple has always maintained that Safari is the fastest browser on the Mac. Now the company is saying Safari is the fastest browser on Windows as well, loading and drawing Web pages up to twice as fast as Microsoft Internet Explorer 7, and up to 1.6 times as fast as Mozilla Firefox 2.

    The metallic look and feel of Safari is distinctively Apple. Also, the design is well done; you don't have scrollbars when you don't need them. If you highlight a word on any page and then right-click, you get an option to search with Google. On the browser itself, you can set the default search to be with either Google or Yahoo. Safari also imports all your bookmarks from IE and Firefox.

  • Detour Drainage Structure Design Procedure

    To download Detour Drainage Structure Design Procedure PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Detour Drainage Structure Design Procedure Technical Document (PDF file)
    File Size: 8244237 bytes
    File Date: Wed Jun 6 10:59:07 2007

    This 205-page technical document from Colorado Department of Transportation Research Branch, proposes two new detour drainage structure design methodologies. The objective of the document is to develop a statewide detour drainage structure design procedure that also considers environmental impacts and mitigation measures.
  • Picasa 2.7

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Picasa 2.7 (EXE File)
    File Size: 5375800 bytes
    File Date: Wed Jun 6 11:00:18 2007

    Picasa is free photo management software from Google that helps you instantly find, edit, and share all the photos on your PC. Picasa automatically locates all your photos (even ones you forgot you had) and sorts them into visual folders organized by name, size, or date. You can drag and drop to arrange your folders and make albums to create new groups. Picasa makes sure your photos are always organized.
  • General Infiltration Practices

    To download General Infiltration Practices PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download General Infiltration Practices Technical Document (PDF file)
    File Size: 1064998 bytes
    File Date: Wed May 2 10:09:02 2007

    This 56-page document provides design criteria and procedures for general infiltration practices such as infiltration basin, infiltration trench, roof downspout system, and porous pavement. Infiltration facilities temporarily impound stormwater runoff and discharge it via infiltration into the surrounding soil. Infiltration practices are appealing in that they help to reverse the hydrologic consequences of urban development by reducing peak discharge and providing groundwater recharge. Infiltration facilities are primarily used for water quality enhancement.
  • Comodo Firewall Pro

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Comodo Firewall Pro (EXE File)
    File Size: 8058960 bytes
    File Date: Wed May 2 10:11:17 2007

    Still battling spyware, malware, and viruses. Having tried almost every firewall out there, I have never one that comes even close. Comodo Firewall Pro is one of the smartest firewalls I have ever seen. While providing answers to firewall questions, users usually do not understand the complex questions, which involve complicated connection details like IP addresses, ports, application paths, etc. This software helps you to understand what is going on by analyzing each alert and providing you an intuitive, easily understandable security considerations section with each question it asks. The interface is great and easy to navigate.
  • Stormwater Detention Pond Design Document

    To download Stormwater Detention Pond Design Document PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Stormwater Detention Pond Design Technical Document (PDF file)
    File Size: 323129 bytes
    File Date: Fri Mar 30 05:17:31 2007

    This technical document provides you with a working exercise of how to design a residential site development stormwater detention pond. It shows you how to compute the pre-development and post-development peak discharges and the required stormwater storage volumes. In addition, it covers locating and sizing the pond, as well as developing a grading plan. This design document is from the Georgia Stormwater Management Manual.
  • Avast Home Edition 4.7

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Avast Home Edition 4.7 (EXE File)
    File Size: 13326120 bytes
    File Date: Fri Mar 30 05:20:31 2007

    Blast all your troubles away with Avast Home Edition, a free antivirus software for home non-commercial use. Avast Home Edition provides the same steadfast protection of well-known antivirus programs. It is extremely stable and is not dull like other antivirus software and has a lot of skins to choose from. Just install it, and forget about it. With immediate real-time protection, clockwork updates, and much more, this software is highly impressive.
  • Stormwater Detention Pond Design

    To download Stormwater Detention Pond Design Technical Document PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Stormwater Detention Pond Design Technical Document (PDF file)
    File Size: 2095888 bytes
    File Date: Wed Feb 28 08:08:15 2007

    This document from Minnesota Pollution Control Agency focuses on the application of stormwater ponds as a best management practice (BMP) for improving the quality of urban runoff and reducing peak discharges. Stormwater ponds have become the most common “structural” method of regulating and treating stormwater runoff.

    This technical document describes the design of stormwater ponds. Many municipalities and watershed districts require stormwater ponds to mitigate the adverse impacts of urbanization.

  • ATNotes

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    ATNotes (EXE File)
    File Size: 725633 bytes
    File Date: Wed Feb 28 08:08:25 2007

    ATNotes is a program which creates Post-it like notes on the Windows desktop. The user interface is provided through an icon in the taskbar. Notes are fully customizable in fonts, colors, sizes and in many other aspects of appearance (e.g., text color and border color for each note, each setup appearance can be saved as a profile to be restored quickly).

  • Biofilters and Bioswales

    To download Biofilters Technical Document and Sample Bioswale Design Report PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Biofilters Technical Document (PDF file)
    File Size: 4493568 bytes
    File Date: Wed Jan 31 07:25:58 2007

    Download Sample Bioswale Design Report (PDF file)
    File Size: 4056419 bytes
    File Date: Wed Jan 31 07:26:51 2007

    Biofilters and bioswales are landscape elements designed to remove silt and pollution from surface runoff. Bioswales typically consist of a swaled drainage course filled with vegetation, compost, and/or riprap. They are designed to maximize the time water spends in them, aiding the trapping of silt and pollutants. A common application is around parking lots, which are used treat the parking lot runoff before releasing it to the watershed or storm sewer.

    The following two documents provide excellent information on the design, construction, implementation, and maintenance of bioswales and other biofilter elements. These documents provide a practical approach for the stormwater engineer, allowing him to quickly implement these design elements into his engineering project designs.

  • Spiceworks 1.1

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Spiceworks 1.1 (EXE File)
    File Size: 6324168 bytes
    File Date: Wed Jan 31 07:28:16 2007

    IT management software should work for you, Spiceworks does that. It allows you to locate, document, and troubleshoot all the hardware on your computer network with a click of a button.

    Spiceworks is a free, browser-based application that easily lets you:

    • Inventory the hardware, software and patches on your network
    • Monitor your network for new software, low disk space, offline servers and rogue users
    • Report easily on the information you need to manage your network
    • Connect with a community of over 15,000 IT professionals for help

    It takes less than 5 minutes to get up and running. No agents. No scripts. No manuals. No hassles. Don't believe us? Just download Spiceworks and see for yourself!

  • Floodplain Modeling Manual

    To download Floodplain Modeling Manual PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Floodplain Modeling Manual (PDF file)
    File Size: 2134504 bytes
    File Date: Fri Dec 22 09:07:36 2006

    Published by Federal Emergency Management Agency (FEMA), this 78-page manual introduces HEC-RAS 3.0 modeling procedures to engineers who have experience in preparing floodplain models using HEC-2.

    The Floodplain Modeling Manual provides:

    • Discussion on issues relevant to modeling floodplains obstructed and unobstructed by structures
    • Summarizes HEC-RAS features that can be used in modeling complex floodplains such as multiple bridges, culverts in series, flow junctions, and split flow
    • Summarizes quality assurance software CHECK-2 and CHECK-RAS
    • Discussion on issues related to the general development of the HEC-RAS Model
    • FEMA's guidance on using HEC-RAS for flood insurance studies

    The hydraulic principles and computational procedures used in HEC-RAS and HEC-2 are summarized in this manual, and the differences are identified.

  • Trillian 3.1

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Trillian 3.1 (EXE File)
    File Size: 9000041 bytes
    File Date: Fri Dec 22 09:10:02 2006

    With so many different chat mediums such as Yahoo Messenger, MSN Messenger, AOL Instant Messenger, ICQ and IRC available today, there needs to be a single unified program for people to communicate with.

    With Trillian, all these chat networks are combined into a powerful, easy to use program. Trillian currently supports AIM, ICQ, MSN Messenger, IRC, and Yahoo Messenger.

    The program can be skinned and has an easy to use modern interface.

  • Culvert Inspection Manual

    To download Culvert Inspection Manual PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Culvert Inspection Manual (PDF file)
    File Size: 22132688 bytes
    File Date: Thu Nov 30 10:33:12 2006

    Published by the U.S. Department of Transportation (in association with the Federal Highway Administration), this Culvert Inspection Manual is a supplement to the Bridge Inspector’s Training Manual (see our November 2003 newsletter). Since culverts are less visible than bridges, they have traditionally received less attention. However, culverts too need to be inspected regularly to identify potential safety problems, maintenance needs or other actions required to preserve the investment in the structure and to minimize property damage due to improper hydraulic functioning. This 200-page manual provides procedures for conducting and documenting culvert inspections with specific guidelines for inspecting and evaluating the major hydraulic and structural components of culverts. Discussions on the hydraulic, structural, and durability performance of culverts are also included. Information is provided on personnel qualifications, equipment, and safety procedures required for conducting culvert inspections. These procedures should be of interest to hydraulic and bridge-maintenance engineers, technicians, and inspectors.
  • SiteAdvisor

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    SiteAdvisor (EXE File)
    File Size: 1552256 bytes
    File Date: Thu Nov 30 10:33:39 2006

    SiteAdvisor, McAfee’s free security software, keeps your PC clean of spyware by providing clear and visible warnings for sites known to be spyware carriers. Upon installation, this browser plug-in detects whether you are using Internet Explorer or Firefox and offers the correct download. Simply type in a URL and SiteAdvisor gives you feedback on the website.

    Some of its features are:

    • Protection from adware, spyware, spam, viruses, and online scams
    • Advice on the safety of sites with the use of a colored button in your browser toolbar—a green checkmark for safe sites, a yellow exclamation mark to caution users, and a red “X” for sites with security warnings.
    • Safe redirection from sites known to cause browser exploits.
    • Ratings next to the results of popular search engines (Google, Yahoo and MSN).
    • Automatic updates for protection from new threats.
    • Facility for users to submit reviews and feedback on sites.
    • Testing of websites for excessive pop-ups, fraudulent practices, and browser exploits.
    • Information about a site’s downloads.
    • Completion of all sign-up forms using a one-time use e-mail address so that all subsequent spam can be tracked.

    A user-friendly security browser plug-in, SiteAdvisor effectively addresses your concerns about Internet safety and effectively identifies online threats.

  • Engineering and Design of Conduits, Culverts, and Pipes

    To download Engineering and Design of Conduits, Culverts, and Pipes PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Engineering and Design of Conduits, Culverts, and Pipes (PDF file)
    File Size: 3214927 bytes
    File Date: Tue Oct 31 06:07:28 2006

    Published by the U.S. Army Corps of Engineers (USACE), this Engineering and Design Manual provides Guidance on the design and construction of culverts, stormwater pipes, and other conduits and design procedures for trench/embankment earth loadings, highway loadings, railroad loadings, surface concentrated loadings, and internal/external fluid pressures. This 87-page manual covers the following topics: Cast-in-place conduits for dams, Circular reinforced concrete pipe for small dams and levees, Corrugated metal pipe for rural levees and culverts, Concrete culverts, Plastic pipe for other applications, Ductile iron pipe and steel pipe for other applications, and Pipe jacking. Being from the Army Corps of Engineers, this manual covers nearly every aspect to the engineering and design of culverts, stormwater pipes, as well as other conduits.
  • ZipGenius 6

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    ZipGenius 6 (EXE File)
    File Size: 5163124 bytes
    File Date: Tue Oct 31 06:08:59 2006

    ZipGenius is a free Windows software that lets you compress files to almost any kind of archive format.

    Some of its key features are:

    • Support for more than 20 compressed archive formats, including ZIP, 7xip, ZIP64, UPX, RAR, ARJ,
    • ACE, CAB, SQX, and CD/DVD-ROM image files in ISO9660 standard
    • Password-protected archives
    • Drag and drop, 5 compression levels, full customization, and integration in Windows Explorer
    • Built in FTP client that allows e-mail, download and upload of files from within the software
    • Signature feature—facility to add signature and contact information to any zip file created
    • Support for creation of self-extracting exe files with custom setup launch and icon
    • Facility to work directly with CD-R/RW drivers
    • Facility to interact with Pocket PC device
    • “SmartExtract” feature that allows extracting certain file types to specific folders
    • New CZIP 2.1 encryption format that enables advanced data protection systems
    • Additional features like scanner support, backup, statistics, download time calculator, disk
    • spanning, zip file fixing feature, and support for OpenOffice
    • Web publishing of archives and files via FTP and TWAIN devices
    • Completely customizable interface

    A completely user-friendly software, ZipGenius is the file compression utility that you had always wished for.

  • Modern Sewer Design

    To download Modern Sewer Design PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Modern Sewer Design (PDF file)
    File Size: 2790835 bytes
    File Date: Fri Sep 29 10:05:16 2006

    Published by the American Iron and Steel Institute (AISI), this technical document concisely presents current technology and the application of steel storm sewers. It is considered the bible for design, construction, rehabilitation, and maintenance of modern steel sewers. It includes both US and metric (SI) units. A thoroughly reviewed and updated source of information, this document is recommended for experienced practitioners as well as beginners alike.
  • Microsoft Windows Defender

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Windows Defender (MSI File)
    File Size: 5763072 bytes
    File Date: Fri Sep 29 10:06:55 2006

    Windows Defender (Beta 2) is a free utility that helps you stay productive by protecting your computer against pop-ups, slow performance and security threats caused by spyware and other potentially unwanted software. The worldwide SpyNet community plays a key role in determining which suspicious programs are classified as spyware. Microsoft researchers quickly develop methods to counteract these threats, which are automatically downloaded to your PC, so you can stay up-to-date.
  • Culvert Design

    To download Culvert Design PDF, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Culvert Design (PDF file)
    File Size: 1520233 bytes
    File Date: Thu Aug 31 08:17:44 2006

    Culverts are used to convey water across highways, railroads, and other embankments. They are available in a variety of shapes, sizes, and materials, all of which affect their capacity and overall performance. Culvert design involves both hydraulic and structural design considerations. Structural design includes load carrying during construction, as well as highway, railroad, or other traffic and earth loads. As culverts significantly influence upstream and downstream flood risks, floodplain management, and public safety, a careful approach to their design is crucial, both in new land development and retrofit situations. This month’s technical document discusses the hydraulic aspects of culvert design. This 62-page document is from Volume 2 of the Drainage Criteria Manual of Urban Drainage & Flood Control District.
  • AVG Anti-Virus 7.1.394 Free

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    AVG Anti-Virus 7.1.394 Free (EXE File)
    File Size: 17008160 bytes
    File Date: Fri Sep 22 10:39:39 2006

    AVG Anti-Virus Free is the well-known anti-virus protection tool used by over 9 millions users worldwide. AVG Free is available free-of-charge to home users for the lifetime of the product! Rapid virus database updates are available for AVG Anti-Virus Free, providing a high-level of detection capability that millions of users around the world trust to protect their PCs. AVG Anti-Virus Free is easy-to-use and does not slow your system down.
  • Hydraulic Structures

    To download Hydraulic Structures, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Hydraulic Structures (PDF file)
    File Size: 4716847 bytes
    File Date: Thu Jul 27 09:12:52 2006

    Used to divert, restrict, stop, or otherwise manage the natural flow of water, hydraulic structures abound today. Methodical hydraulic engineering, coupled with environment considerations, as well as ecological and public safety objectives, need to be integrated for hydraulic structures. The proper application of hydraulic structures can reduce initial and future maintenance costs by managing the character of the flow to fit the environmental and project needs. This 126-page document is from Volume 2 of the Urban Storm Drainage Criteria Manual of the Urban Drainage & Flood Control District, Denver, CO.
  • ToDoList

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    ToDoList (ZIP File)
    File Size: 335641 bytes
    File Date: Fri Sep 22 11:14:13 2006

    ToDoList is a compact, easy to use task list management software that can help you get organized in a jiffy. The software's interface is very intuitive, and extremely easy to use. A far cry from the intimidating Microsoft Project, it gets your task list sequenced and neatly organized in minutes. It works well for both task lists and managing larger projects. The program saves the task list in a single XML file, which can be viewed in any text editor, like Notepad, or any web browser, like Internet Explorer.
  • Planning and Designing of Major Drainage Systems

    To download Planning and Designing of Major Drainage Systems, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Planning and Designing of Major Drainage Systems (PDF file)
    File Size: 4234561 bytes
    File Date: Wed Jun 28 09:20:11 2006

    Major drainage infrastructure is the cornerstone of an urban runoff system. A major drainage system may include many features such as natural and artificial channels, culverts, long underground conduits and outfalls, streets, and property line drainage easements. It is closely allied to, but separate from the initial drainage system consisting of storm sewers, curbs and gutters, and minor drainageways. This month’s technical document on major drainage systems addresses various topics related to planning of major drainage systems, open channel design principles, and open channel design criteria. This document has been extracted from the Urban Storm Drainage Criteria Manual for the City of Denver.
  • Windows CleanUp!

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Windows CleanUp! (ZIP File)
    File Size: 339257 bytes
    File Date: Fri Sep 22 10:42:44 2006

    CleanUp! is a powerful and easy-to-use Windows application that removes temporary files created while surfing the web, empties the Recycle Bin, deletes files from your temporary folders and much more. CleanUp! frees disk space and reduces the "clutter" on your computer helping it to run more efficiently. It also can be used as a way to protect your privacy on the Internet. You can even instruct CleanUp! to securely delete files making it impossible to retrieve their contents using lower-level disk tools.
  • Advanced HEC-RAS Modeling Techniques

    To download Advanced HEC-RAS Modeling Techniques, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Advanced HEC-RAS Modeling Techniques (PDF file)
    File Size: 1559131 bytes
    File Date: Tue May 23 06:36:42 2006

    This document by the Arizona Department of Water Resources, Dam Safety Section, provides the HEC-RAS modeler with some advanced techniques that can be used for modeling floodplains, bridges, culverts, weirs, and other hydraulic structures. It can be used as another source for technical documentation, in addition to the HEC-RAS reference manual provided by the U.S. Army Corps of Engineers.
  • Google SketchUp (free)

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Google SketchUp (ZIP File)
    File Size: 20042176 bytes
    File Date: Fri Sep 22 10:55:59 2006

    Google SketchUp (free) is an easy-to-learn 3D modeling program that enables you to explore the world in 3D. With just a few simple tools, you can create 3D models of houses, sheds, decks, home additions, woodworking projects - even space ships. And once you've built your models, you can place them in Google Earth, post them to the 3D Warehouse, or print hard copies.
  • The Use of Best Management Practices (BMPs) in Urban Watersheds

    To download The Use of Best Management Practices (BMPs) in Urban Watersheds, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download The Use of Best Management Practices (BMPs) in Urban Watersheds (PDF file)
    File Size: 14577457 bytes
    File Date: Thu Apr 27 10:18:38 2006

    The purpose of this document is to provide a general description and insight on the various BMP options, the design considerations involved and the general guidelines for selection, implementation, and monitoring of BMPs to reduce pollutants in urban stormwater from new development and re-development.
  • ESB Unit Conversion Utility

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    ESB Unit Conversion Utility (ZIP File)
    File Size: 833140 bytes
    File Date: Fri Sep 22 10:47:47 2006

    ESB Unit Conversion Utility is a free user-friendly Windows software to easily convert between units of measurement. Includes units for temperature, distance, mass, area, volume, pressure, velocity, acceleration, force, energy, power, fuel consumption, flow, torque, angles, luminous intensity, illumination, time and radioactivity. This software is optimized for 800x600 and higher resolutions.
  • Storm Water Management Fact Sheet: Water Quality Inlets

    To download the Storm Water Management Fact Sheet: Water Quality Inlets, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Storm Water Management Fact Sheet: Water Quality Inlets (PDF file)
    File Size: 78359 bytes
    File Date: Wed Mar 29 08:45:22 2006

    Water Quality Inlets (WQI) consist of a series of chambers, typically a sedimentation chamber, an oil separation chamber, and a discharge chamber, that promote sedimentation of coarse materials and separation of free oil from stormwater. These are often used where land requirements and cost prohibit the use of larger BMP devices, such as ponds or wetlands. One of the main advantages of WQI is that it can provide spill control. All the advantages and disadvantages are discussed in this PDF document along with the applicability, design criteria and the chamber designs.
  • Atlas 2.0

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Atlas 2.0 (EXE File)
    File Size: 812181 bytes
    File Date: Fri Sep 22 10:34:46 2006

    Atlas 2.0 is a Windows based software for structural and construction engineers. Atlas computes the resulting moments and reaction forces for a given beam with loads applied to it (single as well as distributed), using the Cross method. A typical application would be to optimize joint positions (i.e. positions with zero moment) in purlins or beams. The program has a very easy interface. It lets you enter your data with the mouse, and it shows the resulting moments and shear forces immediately in both a graphical and numerical way. Maximum bending moments can also be easily calculated.
  • Storm Water Management Fact Sheet: On-Site Underground Retention/Detention

    To download the Storm Water Management Fact Sheet: On-Site Underground Retention/Detention, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Storm Water Management Fact Sheet: On-Site Underground Retention/Detention (PDF file)
    File Size: 4277913 bytes
    File Date: Tue Feb 28 06:22:03 2006

    Each material has its own advantages and disadvantages and specific applicability. In this month’s Fact Sheet, you will learn about the On-site underground retention/detention system. It accomplishes the capture and storage of stormwater collected from surrounding impervious areas and provides minimal stormwater quality benefits, but can be a successful segment to a development’s overall stormwater management plan, when coupled in-line with other stormwater BMPs. This system is ideal for use under parking lots, roadways and paved areas associated with commercial, industrial and residential developments. This fact sheet describes the design criteria and its performance.
  • ABC – Analysis of Bearing Capacity

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    ABC – Analysis of Bearing Capacity (ZIP File)
    File Size: 3566684 bytes
    File Date: Fri Sep 22 10:34:15 2006

    This Windows software uses stress characteristics method (also known as the slip line method) to solve the classical geotechnical bearing capacity problem of a rigid foundation, resting on a cohesive-frictional soil mass, loaded to failure by a central vertical force. For each problem, ABC constructs a numerical solution from first principles, without resorting to superposition, shape factors or any other form of approximation. Students learning about the theory of bearing capacity will find ABC a useful tool for understanding the method of characteristics, and for visualising the stress fields obtained with various combinations of parameters. It is nicely documented in an 80-page user manual.
  • Storm Water Management Fact Sheet: Sand Filters

    To download the Storm Water Management Fact Sheet: Sand Filters, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Storm Water Management Fact Sheet: Sand Filters (PDF file)
    File Size: 108403 bytes
    File Date: Tue Jan 24 01:13:44 2006

    Sand filters remove particulates in both the sedimentation and the filtration chambers. A typical sand filter system consists of two or three chambers or basins. The first is the sedimentation chamber, which removes floatable and heavy sediments. The second is the filtration chamber, which removes additional pollutants by filtering the runoff through a sand bed. The third is the discharge chamber. This fact sheet in PDF format also emphasizes on the three main sand filter designs currently in common use: the Austin sand filter; the Washington, D.C., sand filter; and the Delaware sand filter. The primary differences among these designs are location (i.e., above or below ground), the drainage area served, their filter surface areas, their land requirements, and the quantity of runoff they treat.
  • Sicyon Lite v4.03

    To download the following Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Sicyon Lite v4.03 (EXE File)
    File Size: 5269801 bytes
    File Date: Fri Sep 22 11:06:11 2006

    This freeware utility for Windows is an all-in-one calculation tool for physicists, engineers and chemists; students, professors and researchers--ideal for anyone using physical or chemical formulas and tables of constants. Sicyon Lite is easy-to-use and has everything needed to calculate or analyze expressions or program functions. Sicyon combines an intuitive interface and an object oriented approach to provide a fast learning curve.
  • Storm Water Management Fact Sheet: Minimizing Effects from Highway Deicing

    To download the Storm Water Management Fact Sheet: Minimizing Effects from Highway Deicing, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Storm Water Management Fact Sheet: Minimizing Effects from Highway Deicing (PDF file)
    File Size: 234875 bytes
    File Date: Mon Dec 19 02:44:54 2005

    Highway ice and snow removal is essential both to public safety and to local and interstate commerce. Many initiatives have been taken to control ice and snow on roadways while minimizing any associated environmental effects. This fact sheet in PDF format emphasizes the methods and practices for snow removal that are feasible and cost effective for local governments to implement and that are also consistent with sound environmental quality goals. The goal of this research has been to minimize the environmental effects of deicing while still providing a cost effective means of clearing roadways for safe travel.
  • Convert 4.10

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    Convert 4.10 (ZIP File)
    File Size: 156577 bytes
    File Date: Fri Sep 22 10:43:00 2006

    Convert is an easy to use unit conversion program that will convert the most popular units of distance, temperature, volume, time, speed, mass, power, density, pressure, energy and many others, including the ability to create custom conversions!
  • Basin Best Management Practices Manual

    To download the Basin Best Management Practices Manual, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Basin Best Management Practices Manual (PDF file)
    File Size: 4472206 bytes
    File Date: Thu Oct 5 06:50:54 2006

    This 122-page U.S. Environmental Protection Agency document is the third volume of the manual Stormwater Best Management Practice Design Guide. It provides guidance on the design of best management practices (BMPs) for the mitigation of the environmental impacts to receiving waters associated with urban runoff. Water resources engineers have designed small and large ponds for many years for a wide range of applications, including farm ponds, recreational ponds, water supply reservoirs, flood control reservoirs, infiltration basins and multiple use reservoirs. This volume provides design guidelines for a group of stormwater management (SWM) BMPs broadly referred to as basins or ponds. The objectives of this manual is to provide practical design guides that when followed, result in SWM BMPs facilities that maximize pollutant removal and flood control.
  • HyperCalc Plus

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    Download HyperCalc Plus (ZIP File)
    File Size: 364843 bytes
    File Date: Fri Sep 22 10:58:37 2006

    HyperCalc Plus is a Windows based software developed at Utah State University as part of a joint project involving Utah State University, the Utah Department of Transportation, and the Federal Highway Administration. It provides a convenient means for converting between English and Metric (SI) units. There are 13 Contexts for common units. In addition there are two specialty groups of units: "Civil Structural" containing 12 contexts including mass, force, pressure, moments, etc. and "Electrical" containing 18 contexts. HyperCalc Plus also provides forms for "Transportation" equations including: Sight Distance, Vertical Curve, Vertical Passing Distance, Horizontal Curve, and Passing Distance. Forms for "Drainage" equations include: Continuity, Darcy-Weisbach, Friction Factor, Hazen-Williams, Mannings, Circular Shape Properties, Trapezoid Shape Properties, Rational Formula, and Reynolds Number.
  • Wetlands Design Manual

    To download the Wetlands Design Manual, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Wetlands Design Manual (PDF file)
    File Size: 999863 bytes
    File Date: Thu Oct 27 10:17:05 2005

    This technical document discusses the construction of an artificial ecosystems and wetlands as a functional part of wastewater treatment. This allows innovative processes for wastewater treatment as a "water pollution control" with the production of useful resources rather then a liability. The later section of the document concerning constructed wetlands focuses on studies of pilot and full-scale systems and discussion of aquatic plant systems concentrates on the results with water hyacinth systems.
  • QConBridge™

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    Download QConBridge Software (MSI File)
    File Size: 2835456 bytes
    File Date: Fri Sep 22 11:01:40 2006

    QConBridge is a live load analysis program for continuous bridge frames. This software has been developed for the Alternate Route Project. QConBridge performs live load analysis for the AASHTO LRFD Bridge Design Specification HL93 live load model. 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.
  • Stormwater Management

    To download the Stormwater Management document, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Stormwater Management Document (PDF file)
    File Size: 808801 bytes
    File Date: Mon Sep 19 23:03:05 2005

    This is a 187 page handbook issued by MA Department of Environmental Protection and MA Office of Coastal Zone Management on Stormwater Management. This handbook covers hydrology and stormwater runoff, site planning, and best management practices.
  • MathGV

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    Download MathGV Software (ZIP File)
    File Size: 765764 bytes
    File Date: Fri Sep 22 11:00:30 2006

    MathGV is a powerful Windows program for graphing mathematical functions. It can plot 2 dimensional, parametric, polar, and 3 dimension functions.
  • Bridge Engineering

    To download the Bridge Engineering document, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Bridge Engineering Document (PDF file)
    File Size: 336167 bytes
    File Date: Mon Aug 29 03:27:08 2005

    In this paper the status of bridge engineering at the end of the 20th century in the area of general transportation structures is summarized. The focus is on bridge structure types, design aspects, new materials, aesthetic concerns, and key policy issues. An attempt is made to forecast the status of bridge engineering 20 to 30 years into the next millennium; the paper is written as though these forecasts will become a reality.
  • Section Properties Calculator

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    Download Section Properties Calculator Software (EXE File)
    File Size: 573397 bytes
    File Date: Fri Sep 22 11:04:42 2006

    With this tool various section properties for different steel profiles can be calculated. This is a stand-alone and freeware Windows application.
  • Design of Riprap Revetment Documentation

    To download the HEC 11 documentation, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Riprap Revetment Documentation (PDF file)
    File Size: 3713101 bytes
    File Date: Thu Jul 24 09:19:03 2008

    The Hydraulic Engineering Circular No. 11 (HEC-11) document entitled "Design of Riprap Revetment" is available for you to download. This document includes discussions on recognizing erosion potential, erosion mechanisms and riprap failure modes, and riprap types including rock, rubble, gabions, preformed blocks, grouted rock, and paved linings. Design concepts covered include design discharge, flow types, channel geometry, flow resistance, extent of protection, and toe depth. Detailed design guidelines are presented for rock riprap, and design procedures are summarized in charts and examples. This document also presents design guidance for wire-enclosed rock (gabions), precast concrete blocks, and concrete-paved linings.
  • CHANLPRO v2.0 Software

    To download the following Riprap Channel Protection Design Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Riprap Channel Protection Design Software (ZIP File)
    File Size: 2916100 bytes
    File Date: Fri Sep 22 10:42:38 2006

    Sticking with a channel protection theme, this software utility is designed to address three key areas: riprap design, gabion mattress design, and scour depth estimation. To accomplish these tasks, CHANLPRO 2.0 utilizes U.S. Army Corps of Engineers (USACE) and Maynord standards for guidance in riprap placement and gabion sizing. Note that input may be keyed manually or imported from an earlier saved run. Output is text-based and may also be exported for use in reports and project specifications.
  • Urban Hydrologic Procedures Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Urban Hydrologic Procedures (PDF File)
    File Size: 677527 bytes
    File Date: Tue May 25 10:55:15 2004

    This document is an excerpt from the Urban Drainage Design Manual produced by the U.S. DOT in 1996. In this chapter, urban hydrologic procedures are discussed. Specific topics covered include rainfall distribution, peak flow rate determination, time of concentration, and developing a design hydrograph. Example equations and clear tables and figures make this document a handy reference for the practicing hydrologist or civil engineer.
  • EngNet Tools

    To download the EngNet Tools (for PCs), check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Download the EngNet Tools (for PCs)
    File Size: 673853 bytes
    File Date: Fri Sep 22 11:06:32 2006

    This utility from Softech CAD Solutions provides two functional tools in one application: a conversion calculator with over 446 engineering units and a terminology reference guide containing definitions of a number of common engineering terms. The conversion calculator allows one to convert values between a number of common (and not so common) engineering-related units. Users can define their own custom conversions and additional unit conversions can always be downloaded from the EngNet website: www.engnetglobal.com. This tool is very handy for students and professional engineers alike, particularly those who can’t remember metric conversion factors or the definition of a "pilot-operated check valve."
  • FEMA Study Guidelines

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 5.0 PDF format.

    FEMA Study Guidelines (PDF File)
    File Size: 513134 bytes
    File Date: Tue Feb 1 09:21:14 2005

    The Federal Emergency Management Agency (FEMA) has compiled the Flood Insurance Study Guidelines and Specifications to define the technical policy and procedures that must be used in preparation of FIS, restudies, and LMMP projects. Adherence to these guidelines is required in Contract Statements of Work and performance in accordance with these guidelines is required of any contractor preparing a FIS, restudy, or revision. Tables like the one below help study contractors standardize every element of the study, including standards for surveying data, specifications for displaying digital map data, and rules for process quality control.
  • SDTS to DEM Converter

    To download the SDTS to DEM Converter (for PCs), check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Download the SDTS to DEM Converter (for PCs)
    File Size: 237144 bytes
    File Date: Fri Sep 22 11:04:05 2006

    One of the major challenges to dealing with mounds and mounds of inherited digital terrain data is that it's not always in a uniform format. Heck, (or should I say, "HEC") it's not always even usable. This particular utility, developed by Sol Katz of U.S. Bureau of Land Management, will convert SDTS data to DEMs using easy-to-follow onscreen instructions. Other conversion utilities available on BOSS International's site include SDTS to Surfer, SDTS to ArcInfo, and many others. Click on the link below to be taken to the page.
  • Structural Design Manual for Improved Inlets and Culverts

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 5.0 PDF format.

    Structural Design Manual for Improved Inlets and Culverts (PDF File)
    File Size: 9493624 bytes
    File Date: Wed Dec 22 09:28:21 2004

    This manual from the Federal Highway Administration provides structural design methods that improve hydraulic flow in culverts, particularly for inlets having specific configurations. Design methods and typical details for the component structures found in improved inlets, such as wing walls, headwalls, aprons, and the inlet itself, are also presented in this Manual. These methods cover inlets to reinforced concrete pipe, reinforced concrete box sections, and corrugated metal pipe. Considerations also apply to the design of culvert barrels for each of the above conduit types.
  • EngNet Tools

    To download the EngNet Tools (for PCs), check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Download the EngNet Tools (for PCs)
    File Size: 673853 bytes
    File Date: Fri Sep 22 11:06:32 2006

    This utility from Softech CAD Solutions provides two functional tools in one application: a conversion calculator with over 446 engineering units and a terminology reference guide containing definitions of a number of common engineering terms. The conversion calculator allows one to convert values between a number of common (and not so common) engineering-related units. Users can define their own custom conversions and additional unit conversions can always be downloaded from the EngNet website: www.engnetglobal.com. This tool is very handy for students and professional engineers alike, particularly those who can’t remember metric conversion factors or the definition of a "pilot-operated check valve."
  • Hydraulics of Bridge Waterways

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 5.0 PDF format.

    Download Hydraulics of Bridge Waterways (PDF File)
    File Size: 4581040 bytes
    File Date: Thu Nov 18 13:52:37 2004

    This document intends to provide a means of determining the effect of a given bridge on the flow of a stream. Released by the Department of Transportation as part of their Hydraulic Design Series, the manual provides detailed derivations and illustrative examples of some of the most common bridge calculations. Topics covered include hydraulic fundamentals as well as advanced material, such as backwater computation, abnormal stage-discharge conditions, flow through critical depth, and many others.
  • Firefox 1.0 Browser

    To download the Firefox 1.0 browser (for PCs), check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Download the Firefox Browser (for PCs)
    File Size: 4918270 bytes
    File Date: Fri Sep 22 10:49:25 2006

    Mozilla has recently unveiled its newest weapon on the open source code war, the Firefox Web browser. This alternative to other mainstream browsers, most notably Microsoft Internet Explorer, is toted as the perfect balance between a secure and feature-rich browser--and it’s free to boot! Firefox was designed with built-in popup blocking and ActiveX control filtering that makes it more secure than its Microsoft counterpart. Most common plug-ins (Macromedia Flash, Real Player, JAVA, etc.) are fully supported in Firefox and installing the browser can automatically preserve any favorites and cookies users currently access with Microsoft Internet Explorer.
  • Manning Value Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 5.0 PDF format.

    Download Verified Roughness Characteristics (PDF File)
    File Size: 5283414 bytes
    File Date: Thu Oct 28 11:47:51 2004

    Most hydraulic computations related to estimates of discharge require an evaluation of the roughness characteristics of the channel. Due to the absence of a satisfactory quantitative procedure, this evaluation remains chiefly an art. The ability to evaluate roughness coefficients must be developed through experience. One means of gaining this experience is by examining and becoming acquainted with the appearance of some typical channels whose roughness coefficients are known. This document contains photographs and data for a wide range of channel conditions that can be used to select roughness coefficients for other natural channels.
  • Comparator Utility

    To download the Comparator Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Download the Comparator Utility
    File Size: 520324 bytes
    File Date: Fri Sep 22 10:42:54 2006

    Comparator is a practical power utility that will take away the tedium of finding, deleting, and copying duplicate files. This program eliminates the need to open two Explorer windows in order to make painstaking comparisons between directories. Comparator is an alternative to the Microsoft Briefcase, allowing the user to view updated, missing, and duplicate files with the touch of a button. Version 2.2, available here, is free. Version 3.3 contains advanced features and is available from Softbyte Labs’ Web site (http://softbytelabs.com) for a modest registration fee. Both versions support English, German, Italian, and French interfaces.
  • Pump Stations Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Pump Stations (PDF File)
    File Size: 873989 bytes
    File Date: Tue Sep 28 14:49:03 2004

    The fifth and final installment of our series on urban drainage design deals with the design, operation, and maintenance of pump stations. Specific topics covered in this downloadable document from the U.S. Department of Transportation include design considerations, station types, pump rate & storage volume, ventilation, and others. The document contains numerous graphs and tables to help illustrate concepts as well as a step-by-step design example.
  • Spread32 Utility

    To download Spread32 Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Spread32 Utility
    File Size: 233218 bytes
    File Date: Fri Sep 22 11:06:36 2006

    Spread32 is a tiny spreadsheet program that contains all of the fundamental functionality of similar corporate software packages. It is capable of creating/opening workbooks with 256 columns x 65536 rows x 255 worksheets and incorporates all of the arithmetic operations you would expect. Additionally, more than 300 functions for engineering, interest calculations, scientific work, and more are available at your fingertips. Best of all, you can create new custom formulas with more than 255 characters. Standard editing and formatting operations are also included. You won't get the fancy graphs of the multi-megabyte spreadsheet programs that lighten your wallet, but this is a serious (and seriously free) program for classic number crunching.
  • Storm Drains Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Storm Drains (PDF File)
    File Size: 1257043 bytes
    File Date: Thu Aug 26 10:14:45 2004

    The fourth installment of BOSS International's summer-long urban drainage series dives into the realm of storm drain theory and design. This document from the U.S. Department of Transportation goes to great lengths to review subjects like hydraulic capacity, grade lines, transition losses, the relative flow effect, and many others. Complete with helpful illustrations and step-by-step design examples, this document serves as a handy reference for students and professionals alike.
  • Calculait 1.5 Utility

    To download Calculait 1.5 Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Calculait 1.5 Utility
    File Size: 397280 bytes
    File Date: Fri Sep 22 10:41:15 2006

    Calculait 1.5 is an easy-to-use, customizable 32-bit Windows multifunction calculator that's also a World Clock. Although especially made for the nonprofessional, it has a slew of powerful functions to satisfy the more demanding user. For example, it can calculate hyperbolic trigonometric functions, convert all manner of measures, and even tell the time in many major cities worldwide. (Though a strange feature for a calculator, you just never know when it might come in handy!) Also within the calculator are specific packages tailored to deal with statistcal analysis (shown), financial forecasting, and scientific formulae. Use standard cut & paste features from Windows operating systems to easily integrate the use of this calculator into your existing application preferences.
  • Roadside and Median Channels Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Roadside and Median Channels (PDF File)
    File Size: 478359 bytes
    File Date: Mon Jul 26 10:47:52 2004

    The third installment of Civil Engineering Today’s summer-long series on Urban Drainage deals with the issue of roadside and median channel runoff. This chapter of the Urban Drainage Design Manual discusses the both the underlying concepts behind the design of channels, such as conservation of energy and flow resistance, as well as procedural implementation guidelines. The strengths of this Roadside and Median Channels documentation are the many clearly explained equations and example scenarios.
  • Military Grid Reference System Utility

    To download Military Grid Reference System Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Military Grid Reference System Utility
    File Size: 372599 bytes
    File Date: Fri Sep 22 11:00:17 2006

    The Military Grid Reference System, and extension of the Universal Transverse Mercator grid system, provides a means of assigning an alphanumeric designation to a piece of geography on the earth. When used with maximum precision, the region can be as small as one square meter. The single MGRS designation can also serve as the coordinates of a point in applications where accuracy below the meter level is not important. However, since many applications in science and engineering require data in UTM or standard latitude/longitude coordinates, this conversion utility from Mentor Software (http://www.mentorsoftwareinc.com) can prove very handy. It can convert UTM and latitude/longitude coordinates to and from more than 50 different military grid system standards.
  • Pavement Drainage Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Pavement Drainage (PDF File)
    File Size: 1583205 bytes
    File Date: Tue Jun 15 12:44:28 2004

    Continuing with what has turned into a summer-long series on various urban drainage issues, this document from the U.S. Department of Transportation's Urban Drainage Design Manual focuses on the design of pavement drainage. In this chapter, contributing engineers discuss the reasons for proper pavement drainage and the hazards that can result from poor hydrological design. Specific topics covered include surface drainage, gutter flow, inlet capacity, and grate type considerations. Sample equations and detailed diagrams make this document a handy reference for civil engineers involved in pavement drainage design.
  • Engi_Cal

    To download Engi_Cal, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Engi_Cal
    File Size: 1550842 bytes
    File Date: Fri Sep 22 10:47:20 2006

    Engi_Cal is a user-friendly calculator that can interpret customized formulas and offers a high degree of configurability. The basic calculator offers typical functions and memory control and can import/export data using the Windows Clipboard. The really attractive feature of this calculator is the ability to define formulas and add them to a customized formula database for later use. A formula builder, where you can define variables and categorize and name your custom creation, and a formula interpreter are included. You can even enter detailed descriptions and illustrations for each formula (the illustration in the bottom-left corner of the figure above reminds me that I have the formula to calculate the area of a circle loaded). This program is free, but registration is required for continued use.
  • Urban Hydrologic Procedures Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Urban Hydrologic Procedures (PDF File)
    File Size: 677527 bytes
    File Date: Tue May 25 10:55:15 2004

    This document is an excerpt from the Urban Drainage Design Manual produced by the U.S. DOT in 1996. In this chapter, urban hydrologic procedures are discussed. Specific topics covered include rainfall distribution, peak flow rate determination, time of concentration, and developing a design hydrograph. Example equations and clear tables and figures make this document a handy reference for the practicing hydrologist or civil engineer.
  • Quick-Tools 1.0 Utility by VectorEngineer

    To download Quick-Tools 1.0 Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Quick-Tools 1.0 Utility by VectorEngineer
    File Size: 2143009 bytes
    File Date: Fri Sep 22 11:15:48 2006

    VectorEngineer Software has released a freeware version of its powerful Pro-Tools application called Quick-Tools 1.0. Quick-Tools is a miniture CAD system that offers all the basic features required to make technical drawings, designs, plans, and diagrams in a simple point-and-click environment. Requiring only 6 MB of free drive space, Quick-Tools is a fine Windows-based solution for engineers who must quickly create 2D or 3D design images. For a fee, users may upgrade to the full version of Pro-Tools which contains more complex design features such as more shape tools and additional image layers.
  • Green Engineering Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Green Engineering - Design principles and applications using rolled erosion control products (PDF File)
    File Size: 330887 bytes
    File Date: Tue Apr 20 11:57:02 2004

    In this CE News editorial, senior engineer for TRV Environmental C. Joel Sprague discusses the use of Rolled Erosion Control Products (RECP’s) and the subtleties of the Revised Universal Soil Loss Equation (RUSLE). Particularly, the author argues that the benefits of using RECP’s extend beyond erosion control. Others include enhanced infiltration and groundwater recharge, sediment capture, hydrostatic pressure relief, and reduced flow velocities. Sample equations, example problems, tables, and graphs are provided to help illustrate the material.
  • Calc 3D Utility

    To download Calc 3D Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Calc 3D Utility
    File Size: 354485 bytes
    File Date: Fri Sep 22 10:41:22 2006

    This calculator for PC’s performs operations on 3-dimensional vectors, matrices, complex numbers, and quaternions. In addition to standard calculations, Calc 3D is capable of calculating scalar products, cross products, inverses, and vector angles with up to 18 decimal places of accuracy. Although best suited for algebraic calculations, Calc 3D is also capable of manipulating geometric data. Distances between points, lines, planes, spheres, and conics can be calculated very quickly, and coordinates can be transformed to and from Cartesian, spherical, and cylindrical forms. This program, created by Andreas Greur, is available in five languages and is free of charge.
  • Revolution Evolution Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Revolution Evolution (PDF File)

    Though an ancient practice, engineers from Advanced Drainage Systems have designed a high-tech way to collect storm water. Using high density polyethylene (HDPE) plastic, they’ve designed a system of corrugated pipes that decreases the amount of storm water that the city must treat while returning water directly to the earth at the same time.

    This project case study, written by Tony Radoszewski of CE News, shows how the use of HDPE is often superior to similar systems made of concrete or steel. The new ADS system can reduce the excavation volume necessary to implement a retention/detention solution, as well as reduce the backfill needed and the overall project footprint.

  • Dynamics Solver Utility

    To download Dynamics Solver Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Dynamics Solver Utility
    File Size: 8045183 bytes
    File Date: Fri Sep 22 10:46:40 2006

    This free utility allows users to graph and solve initial-value and boundary-value problems for continuous and discrete systems. Dynamics Solver can solve single ODE’s of any order, systems of first-order ODE’s, and a large class of functional-differential equations and systems. Additionally, this program can handle iterated maps and recurrences in arbitrary dimensions, which makes it one of the best programs available for drawing fractals. No programming is necessary to use Dynamics Solver-all data is entered into user-friendly dialog boxes. Output can be saved to a results file recognized by other mathematical computing packages (including Mathematica) and complete documentation is included in the free download.
  • Developing the Perfect Design Storm Documentation

    To download the following technical document, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Developing the Perfect Design Storm (PDF File)

    One of the greatest challenges facing any hydrologist or civil engineer is to apply precipitation in the form of rainfall to engineering design. Many design flaws due to poor rainfall modeling could be avoided by considering details and investigating more than one modeling option. (As the author says, “the devil’s in the details.”) This article from CE News contains overviews of three different design storm approaches, complete with equations and links to sample calculations.
  • GeoTIFF Examiner

    To download GeoTIFF Examiner, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    GeoTIFF Examiner
    File Size: 315351 bytes
    File Date: Fri Sep 22 10:49:36 2006

    There are two ways in which a TIFF (Tagged Image File Format) can be referenced geographically. The first uses partner files called TFW’s, or “World Files,” that contain scale information and real world coordinates. Secondly, the same information can be stored in specific tags within the image file itself. GeoTIFF Examiner is a utility from Mentor Software that allows users to upload a TIFF file and view the geographical data from both sources simultaneously. If no TFW file exists, one can be created. Similarly, if a TFW file does exist, the scaling and coordinate data obtained from it can be directly written onto tags embedded within the TIFF.

    Though only one image file can be viewed/modified at a time, the interface is impeccably intuitive and the price can’t be beaten-it’s 100% free.

  • Lag Tech Papers

    To download the following technical documents, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Lag Tech Papers - Lag Time Characteristics of Small Watersheds in the U.S. (PDF File)
    File Size: 23255 bytes
    File Date: Tue Mar 14 03:48:03 2006

    Lag time, defined as the time from the centroid of rainfall excess to the centroid of direct runoff, was evaluated for over 50,000 rainfall-runoff events in 168 small watersheds in the United States ranging from 0.243 to 3,490 acres. In most watersheds a stable value of lag time was observed for the larger storms, with peak flow the variable that best showed this tendency. The watersheds were divided into groups to explain the variation of lag time between watersheds. The groups that had a significant effect in the regression equation were geographical regions, watershed management practices, and the stability of the lag time value for the bigger storms. Separation of watersheds by land use and hydrologic behavior did not significantly improve the regression analyses.
  • AboutTime Utility

    To download AboutTime Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    AboutTime Utility
    File Size: 597941 bytes
    File Date: Fri Sep 22 10:34:25 2006

    AboutTime is a superior source of time for your computer. As a time client, it will acquire time from the Internet with great accuracy, and as a server it will provide four kinds of time signals to other computers on your local network.

    AboutTime uses advanced signal-processing techniques to correct for network delays, making high accuracy possible even over a slow modem connection.

    In a local network with a copy of AboutTime installed on each machine, one can achieve + - 50 millisecond typical synchronization accuracies.

  • Manning's N Roughness Coefficient Technical Documentation

    To download the following technical documents, check the box of the desired documents below and then click the "Download Selected" button. An e-mail will be sent to you with the download links. These documents are available in Adobe Acrobat 4.0 PDF format.

    Download Guide for Selecting Manning's Roughness Coefficients (PDF File)
    File Size: 3593796 bytes
    File Date: Fri Sep 22 06:36:11 2006

    This PDF file contains documentation on how to select Manning's Roughness Coefficient. Most hydraulic computations related to indirect estimates of discharge require an evaluation of the roughness characteristics of the channel. This document contains photographs and data for a wide range of channel conditions that can be used to select roughness coefficients for other natural channels.
  • Terrain Tools Utility

    To download Terrain Tools Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Terrain Tools Utility
    File Size: 10442797 bytes
    File Date: Fri Sep 22 11:12:09 2006

    Terrain Tools provides functions for creating and analyzing maps. Coordinates can be entered by mouse or keyboard. Maps can be generated quickly using information from a variety of sources including images (BMP, JPG or TIF) or ASCII coordinates. Drafting and annotation tools are provided as well as calculation of angles, distances and areas in both English and Metric units.
  • Culvert Design Procedures Documentation

    To download the documentation, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Documentation on Culvert Design (PDF File)
    File Size: 65599 bytes
    File Date: Tue Mar 14 03:40:39 2006

    This technical document describes a seven step procedure for the design of culverts.
  • Excalibur RPN Calculator for Windows

    To download Excalibur RPN Calculator for Windows, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    Excalibur RPN Calculator for Windows
    File Size: 769674 bytes
    File Date: Fri Sep 22 10:48:00 2006

    Excalibur is a full-featured RPN calculator with function banks for scientific, business, programming, geometry, conversion and complex numbers.

    The simple installer will allow you to use the program immediately. The rich functionality will result in significant time savings. Best of all, this useful utility is available to download at no cost whatsoever.

  • Detention Pond Outlet Structure: Design Criteria for Energy Dissipators Documentation

    To download the documentation, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Detention Pond Outlet Structure: Design Criteria for Energy Dissipators (PDF File)
    File Size: 2363106 bytes
    File Date: Fri Sep 22 05:17:16 2006

    Erosion problems at culverts or the outlet from detention basins are common. Determination of the flow conditions, scour potential, and channel erosion resistance are standard procedure for all designs. The only safe procedure is to design on the basis that erosion at a culvert outlet and the downstream channel is to be expected.

    Standard practice is to use the same headwall treatment at the culvert entrance and exit. It is important to recognize that the inlet is designed to improve culvert capacity or reduce head loss while the outlet structure should provide a smooth flow transition back to the natural channel or into an energy dissipator. Outlet structures should provide uniform redistribution or spreading of the flow without excessive separation and turbulence.

    This PDF Technical Document will focus on riprap apron, riprap outlet basins, and baffled outlets because for many designs, these outlet protection and energy dissipators provide sufficient protection at a reasonable cost.

  • ESB Unit Conversion Utility

    To download the following Unit Conversion Utility, check the box below and then click the "Download Selected" button. An e-mail will be sent to you with the download links.

    ESB Unit Conversion Utility
    File Size: 700910 bytes
    File Date: Fri Sep 22 10:47:33 2006

    User friendly unit conversion utility that easily converts between units of measurement. The ESB Unit Conversion Utility includes conversions for temperature, distance, mass, area, volume, pressure, velocity, acceleration, force, energy, power, fuel consumption, flow, torque, angles, time, and radioactivity.
  • Design of Riprap Channel Protection Documentation

    To download the HEC 11 documentation, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Download Riprap Channel Protection Documentation (PDF file)
    File Size: 3713101 bytes
    File Date: Thu Jul 24 09:19:03 2008

    The Hydraulic Engineering Circular No. 11 (HEC-11) document entitled "Design of Riprap Revetment", Metric Version, FHWA IF-00-022, is available for you to download. This document includes discussions on recognizing erosion potential; erosion mechanisms and riprap failure modes; and riprap types including rock, rubble, gabions, preformed blocks, grouted rock, and paved linings. Design concepts included are design discharge, flow types, channel geometry, flow resistance, extent of protection, and toe depth. Detailed design guidelines are presented for rock riprap, and design procedures are summarized in charts and examples. This document also presents design guidance for wire-enclosed rock (gabions), precast concrete blocks, and concrete-paved linings.
  • Riprap Channel Protection Design Software

    To download the following Riprap Channel Protection Design Software, check the box below and then click on the "Download Selected" button. An e-mail will be sent to you with the download link.

    Riprap Channel Protection Design Software (ZIP File)
    File Size: 2916100 bytes
    File Date: Fri Sep 22 10:42:38 2006

    The Riprap Channel Protection Design Software addresses three areas pertinent to the design of channel protection:

    • The program contains the U.S. Army Corps of Engineers (USACE) riprap design guidance for placement in the dry for channels subjected to velocity forces in low turbulent flow based on guidance found in USACE (1994).
    • The program provides guidance for the design of gabion mattresses for the same flow conditions as the riprap design guidance. The gabion sizing guidance is based on Maynord (1995).
    • The program provides guidance for estimating scour depth in erodible channels based on guidance given in Maynord (1996).

    To install the software, perform the following steps:

    1. Place the zip file into a temporary folder.
    2. Unzip the zip file.
    3. Double click setup.exe.
    4. Follow the onscreen directions to install.