This is a custom spreadsheet for industrial water supply calculations with up to 50 equipment feeds.

This is a custom spreadsheet to estimate the rate of natural gas leakage through a small slit in the pipe wall

This spreadsheet calculates the flow coefficient for an adjustable choke valve and also calculates the liquid flow rate through the valve for specified pressure difference and liquid specific gravity.

This is a custom spreadsheet for calculating EGL and HGL for a storm drain system with a series of catch basins.

This is a custom spreadsheet prepared to make specific stage-storage calculations.

This is a custom spreadsheet for estimating the water evaporation rate from a sump.

A custom spreadsheet for soil storage calculations.

This spreadsheet calculates the minimum pipe bend wall thickness using ASME B31.3 equations, based on user input values for several required parameters.  There is a worksheet for calculating the minimum wall thickness at the inside radius (intrados) and a worksheet for calculating the minimum wall thickness at the outside radius (extrados).  The worksheets are set up to use S.I. units

This Excel Workbook is set up to calculate the capacity of a stormwater inlet based on input values for inlet dimensions and stormwater depth at the inlet.  There is a worksheet to make the calculations for a curb inlet and a worksheet to make the calculations for a gutter (grate) inlet.  Information is also provided in the workbook on how to handle the calculation of inlet capacity for a combination inlet.

This spreadsheet uses the Freundlich Isotherm equation to calculate the capacity of granular activated carbon for removal of a user specified organic compound from water.

This Excel spreadsheet for natural gas pipeline flow calculations will carry out several pipeline flow calculations for natural gas, including calculation of natural gas properties, such as compressibility factor, density and viscosity.  It has worksheets to calculate 1) natural gas flow rate,  2) required pipeline diameter,  3) outlet pressure,  or  4) inlet pressure using the General Flow Equation.

This spreadsheet uses the General Flow Equation to make pipeline flow calculations with the Hall Yarborough Correlation for calculating the compressibility factor and the CKB Correlation to calculate the Gas Viscosity.

This custom spreadsheet calculates minimum required pipe wall thickness based on user input information, and prepares a plot of pipe wall thickness with user input information on pipe wall thickness and time since the last measurement.  The time to reach the minimum required pipe wall thickness is calculated from the input data and is shown on the graph.

This is a custom spreadsheet bundle, consisting of the Manning Equation Open Channel Flow Bundle, the Nonuniform and Critical Open Channel Flow Bundle, and the Pipe Flow Friction Facton Calculations spreadsheet.

This custom spreadsheet makes calculations for a water delivery system that includes flow from a Head Tank through connecting piping to an input pipe that delivers water through several orifices.

This is a custom spreadsheet to make sizing calculations for an oxygenated water supply system to deliver oxygenated water to fish tanks.

This spreadsheet calculates the minimum required wall thickness for a cylindrical pressure vessel, for a hemispherical head and for a ellipsoidal head using S.I. units.  The calculations are based on requirements in ASME BPVC VIII-1-2015.

This Excel workbook has a worksheet to make design calculations for MBBR BOD removal and Nitrification with CMAS post-anoxic denitrification.  It also has a worksheet for pre-anoxic dentrification design calculations with the MBBR process for denitrification, BOD removal and Nitrification.

This Excel spreadsheet calculates and plots hydraulic grade line and energy grade line for up to 11 points along a storm sewer or sanitary sewer line, based on user input of values for invert elevation, upstream pipe slope, distance from previous point, pipe diameter, Manning roughness, design stormwater flow rate, and surface elevation.  If a section of sewer is flowing partially full, the calculations are made for partially full pipe flow.  If a section of sewer is flowing full with the upstream manhole surcharged, then the calculations are made for full pipe flow.  Calculations are in U.S. units