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    maximum rainfall

    They got 1.50 inches for that one since between 3:00 and 4:00 PM it rained 0.40,  0.43, and 0.60 inches. So at T = 4:00 P.M the past 1-hour precipitation at that point in time was 1.50 inches. Therefore that past hour's intensity was 1.50 inches over 1-hour = 1.50 inches/hr The way to look at...
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    maximum rainfall

    The unit hydrograph represents the rainfall that would occur in that particular watershed if only 1" of rain fell. At 5 hours, the unit hydrograph says there will be 125 cfs, however you measured 325 cfs. Therefore, the 1-hr effective rainfall must be 325/125 = 2.6 inches. Then that means the...
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    maximum rainfall

    It looks like the Cumulative Inches is the Hourly Precipitation. You need to make this column since they only gave you the rainfall in 20 minute intervals. So in the last column, the 0.27 inches means it rained 0.27 inches between 1:20 and 2:20, and the 0.52 inches means it rained 0.52 inches...
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    hydraulic radius (Rh) of a trapezoidal section?

    N Nope, I am getting 1.07 as well. 
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    CPESR vs Mahallati Surveying Review Coarse

    No problem! They had four exams with different degrees of difficulty (Easy, Normal, Hard, Very Hard), and I would say the Normal and Hard ones were closest to the actual test, but my overall I felt overprepared. I did take each of the practice exams 2-3 times so that may explain why.  But yeah...
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    CPESR vs Mahallati Surveying Review Coarse

    Maybe outdated now, but here's a blog post I wrote on CPESR's class when I took it a couple of years ago. http://uncivilengineer.net/2017/10/29/cpesr-surveying-course-review/
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    Environmental or Civil Water Resources & Environmental PE?

    CAPLS, do you know if California is looking towards accepting the Environmental PE towards licensure as a Civil Engineer? Just asking because I have a friend who took the Environmental PE instead of Civil PE and they are banking on California accepting it in the future..
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    Unit Hydro PE Practice Problem (assistance needed)

    No problem, it is a very tricky subject and I can never remember how it works off the top of my head (well, now I can just look back at this post!) Regarding the unit hydrograph duration, imagine if the problem was structured this way: Given: Average Effective Rainfall from Hour 0-3: 1.5...
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    Unit Hydro PE Practice Problem (assistance needed)

    Hi Brady, no lagging needed for this problem. Since the rainfall is given to you in 1 hour increments already, you can use the 1-hr unit hydrograph given. I'm assuming the question asks for the peak flow rate. Here's how I would tackle the problem: Think of this storm as two seperate mini...
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    Help Needed: Concentrations from Flow

    Hi Brady, I used to get very confused about this as well, to the point I wrote a blog post to help myself remember it! Ignore the other information such as volatile solids percentage. 2% solids  is equivalent to 20,000 mg/L. Here's why: 2% solids = 2 lb solids per 100 lbs of water. (unless...
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    EET Surveying Course

    HI gandghpi, I have already passed the surveying exam but I have been wondering about this too. I believe EET just came out with the surveying course on the April 2017 cycle so I'm also curious if it's up to par with Dr. Ibrahim's outstanding seismic class. If this helps, I just wrote a review...
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    Test Taking Strategy/Approach (Surveying)

    Thanks Ptatohed! No I don't mind at all if its stickied.
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    Vertical curve problem

    Everything looks good, except you accidentally forgot about the double negatives in calculating your R value. The R value should be +0.3333% . Using that R value i get an answer of 19 ft (B) (anyone else able to confirm?) That would be correct, but the elevation difference you calculated is...
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    Test Taking Strategy/Approach (Surveying)

    I agree with you that it takes too much time to go through all the questions and mark them. Instead, I used the same method you did by going through each of the problems in order. However, I would only answer the very easy ones (like less than 1-2 minutes without having to look anything up)...
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    CA Seismic/Survey Exams - When will I be notified for application approval

    I took CPESR and would highly recommend that class since I passed on my first try with no surveying background at all. The videos are very good quality, the instructor talks very clearly, and there are 4 CBT exams that you can do over and over. In total its 20 hours of video, and there are also...
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    Pomona Exam center

    I took the 8-hr PE exam there in April (and passed). Like ptatohed said, its about a $5 fee to park in the Fairplex. Also, I really recommend bringing your own lunch box. The food choices at break were your typical stand food and were pretty pricey.
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    Setting up a Lunch & Learn PE Review

    At my job we have a quarterly mentoring program, which is a lunch meeting that lasts about a couple of hours. We usually spend 1 hour solving a "PE Fast Lane" quiz that covers one of the topics from the 8-hr PE Exam. Afterwards we'll go over each the solutions. The problems were pretty...
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    What review courses would you recommend for survey and seismic?

    Seismic: For anyone on the fence about which course to take, I really recommend EET (see this review on my sort-of blog). The course is $500, but it's a good value considering you will most likely pass the exam on your first try regardless of your background. EET's website doesn't seem to be...
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    CA IS OUT

    I have the same typo, here's how mine looks (see attached)
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    CA SEISMIC & SURVEYING

    All, CA just released this statement on their website regarding the absence of Table 2 on the results PDF. Also, looks like those who've passed all the exams will get their licenses sometime next week.
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