Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: racv2
  • Content: Threads
  • Order by date
  1. racv2

    Wind Turbine Generator - Loss & Uncertainty

    Sorry for crossposting, I was just wondering if anybody could help me out with a good source of reference or literature on the subject of Production losses and uncertainty calculations for a Wind Turbine Generator (600 kW) Also, trying to find information on how to calculate P90 values...
  2. racv2

    WTG Production losses & uncertainties

    Does anybody have a spreadsheet (excel) to calculate the total loss and uncertainty for a wind turbine generator? I have been trying to figure out how to create my own using some online references but seem to be getting nowhere with it. Thanks guys!.
  3. racv2

    Importing Hydrocad v. 3.01 - Peak flows inconsistent

    Hello, I imported a Hydrocad file from version 3.01 (1994) into my current Hydrocad version 8.5, and the peak inflows (Q) for a Proposed Pond, went from 1.6 cfs (original report) to 0.64 cfs. I have checked for any possible errors in the Subcatchment areas, CN's, Tc's, rainfall depth for the...
  4. racv2

    Road Profile - Vertical Curves

    Knowing the location (station) and elevation of my High and Low Points on the centerline of a road, how can I calculate the station and elevation of PVI. The desired curve length is 50'.
  5. racv2

    Detention Pond Outflow Pipes

    Hello all: I need some help with designing the outflow pipes of a detention pond. The situation is that the pond has two outflow pipes draining into two different wetland systems. I am used to designing just 1 outflow pipe and an emergency spillway, this pond has 2 pipes and 1 emergency...
  6. racv2

    Sewer force main horizontal clearance

    I am designing the pipe layout of a sewer force main that runs parallel to an existing gravity sewer. I found out that there has to be a 10' clearance between the force main and a water main but what about the horizontal clearance between the new force main pipe and the existing gravity sewer...
  7. racv2

    Detention Basin Discharge Pipe Size

    Is there any quick way to determine the size of a pipe that will be used as a discharge control (discharge pipe) for a detention basin? Pre-development qo = 36 cfs, Post-Development qi = 77 cfs The Storage Volume of the detention basin from TR-55 Vs = Vr (Vs/Vr) = 80,000 cu. ft. = 1.84 ac-ft...
  8. racv2

    Sizing and Grading a Detention Basin

    After calculating peak outflow discharges for existing and developed conditions using the TR-55 Tabular Method and figuring out the Storage Volume, I need to desing a basin that will hold 80,000 c.u.ft of runoff. I would like to know if there is any good literature (online or books) I can read...
  9. racv2

    Rational Method Q vs TR-55 Q Results

    I am trying to calculate runoff using the TR-55 Graphical Method for a 5.48 ac area. I used Type III Rainfall Distribution for a 2-years/24 hrs rainfall that gives me a rainfall P = 3.2 in, I also used a CN of 61 and a time of concentration Tc = .24 hr (.14 sheet flow and .10 shallow...
  10. racv2

    Rational Method - Runoff Coeficient - Newbie

    Hey guys: I would like to know where can I find a step-by-step procedure to calculate peak runoff and volume of a 8.2 Acre site. I am using the Rational Formula Q=CiA, I know the Area "A", and the type of coverage that is gravel so I would like to know what runoff coeficient "C" should I use for...
  11. racv2

    Truck Turns Clearance

    I need information on the minimum/maximum clearance for a WB-65 truck from a building wall or curb. I got to fit a WB-65 turning template in a parking lot but there are only 4 feet of clearance between the truck and the wall of a proposed building and I don't want to end up with the truck...
  12. racv2

    18 Wheeler Truck Turning Template

    I was asked to use a turning template for a 18 wheeler truck to design a parking layout. In the AASHTO Clasification what kind of truck is an 18 wheeler? Is it a WB-50? Thank you for any help.
  13. racv2

    Soil Testing Reading Material Recommendation

    I am about to go out to a project site for my first "soil testing" training experience and I don't want to show up not having an idea of what I am about to do. I am looking for books or web articles recommendations specially focused on "hydrologic soils". I would like to have...
  14. racv2

    Stormwater Drainage System Design - Book Recommendation

    I would like to find/buy a book that has all the steps necessary to design an efficient drainage system for a commercial, industrial or residential site, from start to finish: how to calculate pervious and impervious areas, runoff, where to locate drainage structures, sizing of structures and...

Part and Inventory Search

Back
Top