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Thread: Bay, CA builders ????

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    Bay, CA builders ????

    Which builders are great in the Bay CA area (preferably east bay dublin/pleasanton/livermore/walnut creek)? Looking at building undertrack auto cover pool slight curves beach entry or baja shelf, solar, built in BBQ, fire pit, etc.

    Starting talks with Alder Group Pool/Landscape and . Anyone use these guys?

    9,000 gal. in-ground concrete pool
    Sta-Rite Max-E-Pro pump and motor (1 HP)
    Pentair CC100 cartridge filter (100 sq ft)
    Zodiac MX8 suction pool cleaner

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    Join Date
    Mar 2007
    San Rafael, CA USA

    Re: Bay, CA builders ????

    Responding to PM questions here so everyone can see them:

    1) Do you know any pool builders that you recommend?
    2) We will live in Livermore. If we only used the cover and solar (and no gas heating) how many months do you think we could have 80 degree water midday and at 8pm? Could it be from May to Oct?
    3) How quickly does the pool lose heat from 5 pm to 10pm? Does it quickly get down to 72 (which is cold to me)?
    4) Do you know anyone that has an undertrack system with a non rectangular pool?
    Our pool builder, Janssen Pool Construction, is good but for the North Bay so not quite your area.

    As shown in this post, heating is about getting above the average day/night temperature of the air. A bubble-type mostly clear insulating cover will usually increase the temperature 10-15F above this average day/night temp. A solar system used in conjunction with a cover will usually get 20-25F above average day/night temps, but this depends on the number and type of solar panels and on the type of cover (I have 12 black flat mat panels with 10 mostly in sun facing SSW). Automatic covers are only about half as insulating as bubble-type covers. So let's look at some data for Livermore (the solar insolation is using San Francisco area numbers):

    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    .56..61..66...71..77..83...89..88..86...77..64..56 ... Avg. High Temp
    .39..42..44...46..50..54...57..57..55...50..43..39 ... Avg. Low Temp
    .48..52..56...59..64..69...74..73..71...64..54..48 ... Average Temp (slightly more weight to daytime temp)
    2.0 3.0 2.4 1.0 . 0.5 0.1 0.0 0.1 . 0.2 0.9 1.8 2.6 ... Average monthly rainfall in inches
    3.1 3.9 5.0 6.2 . 6.8 7.0 7.3 6.9 . 6.2 5.0 3.5 2.9 ... kWh/m2/day from the sun (30-year average for month; panels facing south tilted at 38-15=23 degrees)

    So with a solar system and an automatic pool cover, you should easily be able to have 80F water from May to October and might be able to have part of April as well, depending on your system. I am unable to do that with my pool without gas (except for July and August) because we keep it warmer at 88F. Also note that if you get some cloudy days, then you won't get the same amount of heating which is why we have to use gas at least some in June and September. So if you don't have a gas heater, then you'll have some days where you won't reach your temperature target. Note also that the typical pattern is that the pool is coldest in the morning and hottest in the late afternoon with a temperature swing of up to 4-6F in the outside months. Note that I am talking about a 16,000 gallon pool -- smaller pools tend to lose heat more quickly since they have a higher surface area to volume ratio.

    From 5 to 10 PM, you may lose a degree or two. Most of the loss is during the colder nighttime temperatures. The loss during peak summer is only 2-3F with the electric cover, but increases to 4-6F in the outer months of the season. A bubble-type cover would cut such losses almost in half, but that would have to be manually put on and off.

    My system is an undertrack from Pool Covers, Inc., but it's a rectangular pool. You can use an undertrack with a freeform pool that is designed to use it (probably has a "shelf"), but a beach entry would seem problematic as others have noted in your other thread.

    Also, I am trying to understand the difference if I had an auto cover or not in regards to pool temp. On a sunny spring or summer day would the pool be warmer with the pool uncovered or covered? Seems that the cover keeps the pool warm overnight but then prevents it from warming during sun.

    So if my main goal is to get 5 or 6 months of 80 plus pool water and I have solar (and didnt use gas heater), would I definitely need an auto cover (as opposed to no cover)? I wouldnt want a manual cover.
    You most definitely need a cover so an automatic cover in your case. Without a cover, you will have roughly twice the temperature drop at night compared to an electric cover while a bubble-type cover cuts that loss in half again. What this means is that you won't get a 20F gain in temperature though you are right that having the sun on the pool does help. The problem is that evaporation cools the water. In our area which isn't terribly dry, the sun does add some net heating to the pool but not a whole lot since you have elevated the temperature using solar. What kills you is nighttime where evaporation continues with no sun to heat the pool. I'm just guessing, but I'd be surprised if you could gain more than 15F with the solar if you don't use a cover. So while June through September may be OK, May and October are probably not. When you hear about many people opening their pools on Memorial Day and others on the 4th of July and closing the pools on Labor Day, it's either in climates with shorter summer seasons or people who don't use pool covers.
    16,000 gallon outdoor in-ground 16'x32' plaster pool; Pentair Intelliflo VF pump; Pentair IntelliTouch i9+3s control system; Jandy CL-340 square foot cartridge filter
    12 Fafco solar panels; Purex Triton PowerMax 250 natural gas heater (200,000 BTU/hr output); automatic electric pool safety cover; 4-wheel pressure-side "The Pool Cleaner"

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    Join Date
    Feb 2011
    Petaluma, Ca

    Re: Bay, CA builders ????

    Last year my pool reached 80 deg by 4-1 and went below 80 approx 11-1. I have an auto safety cover and solar heating. I kept the thermostat set at 85, Might get to 86 late afternoon peak and drop to 83 overnight.
    DONE, 20 x 40, inground gunite, 30" raised bond beam with 3 12" sheer descents, 8' diving board, pentair 420 cartridge filter, vs-3050 pump, intellechlor ic-40, auto cvr, Tahoe blue pebble tech, 6ea 4' x 12.5' & 2ea 1' x 12.5' helicol solar panels, legend robotic cleaner.

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    Re: Bay, CA builders ????

    Bay Acres Pool And Spas did our pool like 12 years ago and only last year did we finally put an epoxy coating on it. They did gunite pools. Think they were based out of Bakersfield, Ca but they travel all over California.

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    Re: Bay, CA builders ????

    Premier Pools & Spas - Dan Grady
    (925) 755-8600

    I just had my pool built. They were VERY organized, on time and professional. Quality is awesome and plus Dan is just a nice guy. Their price is very competitive too.

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    jkurl's Avatar
    Join Date
    Aug 2012
    Fairfield, ca

    Re: Bay, CA builders ????

    We used unique pools. Bryan Lozier is the owner builder. He did really good work. He lives down past the walnut Creek area along 680 somewhere. Very respectful and lays out the quote and build process for you nicely.

    Sent from my HTC One X using Tapatalk 2
    Pool Size: 20 x 40 Free Form Inground Plaster Pool w/ a shallow cove.
    Gallons : ~23K Jandy CL580 Cartridge Filter, Jandy e-pump 1.5HP
    Polaris 280 w/ Booster Pump, AqualinkRS PDA4 Remote, Aqua-Pure SWG
    Jandy LED Pool Lights (2), Heliocol 500 Sq. Ft solar rack system

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