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Thread: Major Remodel - travertine over old concrete deck, raise bond beam to match?

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    Join Date
    Aug 2015
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    San Francisco Bay Area, CA
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    1

    Major Remodel - travertine over old concrete deck, raise bond beam to match?

    I have been lurking and learning on here for a while and really appreciate all the helpful info people post. I have an old pool, built around 1960, mostly original condition. Plaster is in bad shape, concrete coping and deck are serviceable but not attractive, original plumbing is copper, and skimmer is leaking. I have been procrastinating on a remodel for several years, but now may finally be the time to do it.

    A large part of what has held me back is the cost of tearing out and replacing the concrete deck. The old one is poured in 5 foot square sections with wood dividers. Old, rough, and gray, it is not very attractive but the wood dividers have kept it from cracking and it looks pretty serviceable structurally. One idea I have had is to keep the old deck in place, but lay travertine in a sand bed on top of it. In order to line up the new level of the pool deck with the pool coping, the PB says they can raise the bond beam to match it. Only need to raise the deck level by about 2 inches total, and they can achieve some of that on the bond beam/ coping end by replacing my 1.25 inch concrete coping with 2 inch travertine.

    I have two major concerns here:

    1. Is sand set travertine over an old concrete base a good long term solution? Edges will be mortared down. I live in Northern California where we don't get hard freezes.

    2. Potential problems with raising the bond beam 2 inches to accommodate the travertine overlay on the decking? I have copied a redacted estimate for the work below. PB is saying they will use rebar. How much rebar can you get in two inches of height? PB is one of the major gunite contractors in my area and I generally trust their expertise. Any specs I should write into contract regarding rebar, bonding agent to ensure cold joint concrete on top of existing bond beam doesn't separate, etc? Anything to watch out for?

    I have copied redacted estimate below. Labor costs are very high around here compared to most of the country, but even so, $10 a square foot for labor to lay travertine in sand on top of the existing concrete sounds high to me. Appreciate any thoughts anyone wants to contribute, especially on the two questions above.

    Here is estimate:


    BASE POOL REMODEL: all taxes, labor, materials, dumpfees are included
    Drain pool to 6" clean out on the right side of the house
    Drill holes to relieve any underground hyrallic pressure Included
    Prep: Strip plaster layer/s to gunite, at least 80% of theoriginal layer
    of plaster will be removed
    Remove Skimmer
    Remove Tile & Coping $ 2,550.00
    Plumbing: Pressure Test all plumbing, no repairs to other linesincluded
    Remove and replace skimmer with Waterways Renegade Skimmer,
    patch deck with common cement
    Convert re-fill line from over the deck style to under coping, ifneeded
    install anti-syphon valve where the feed is per code $ 2,150.00
    Light: Remove as necessary diving board to saw cut concrete
    from the coping to the rear of the concrete as needed to removethe
    light conduit and extend to a moden to code Junction Box. JunctionBox
    will be directly behind light at the end of the concrete and be@8"
    above grade.
    Install new light niche, ground niche to code, steel, and concreteback
    into place.
    Install Pentair 5G colorwheel light
    Existing light switch remains as is, GFI system to code
    Repair concrete with common cement $ 3,595.00
    Coping: Replace coping with Bedrosian's Brand 3 cm 12" x24" bullnose
    grout color to be selected, cut travertine as needed to go wherethe
    radiuses are. These will be cut in trapezoidal shapes. $ 3,475.00
    Tile: Replace 6" waterline tile with Standard Tile Selectionsto $8.00 per
    sq. ft., grout color to be determined $ 2,275.00
    Mastic: Tan Sanded Mastic $ 595.00
    Plaster: Traditional White Plaster, 3 year warranty $ 2,995.00
    Mechanical Start-up and up to 5 days brushing and chemicals $350.00
    TOTAL BASE POOL REMODEL PRICE: $ 1 7,985.00
    OPTIONS: ADD TO THE ABOVE BASE POOL REMODEL PRICE, DONOT SUBTRACT OR
    SUBSTITUTE FROM ABOVE
    IF YOU DECIDE TO STUB THE PLUMBING AND REDO THE DECKSIN
    LATER, PLUMBING WILL BE CAPPED BEHIND POOL AND BEUNUSABLE
    UNTIL HOOKED INTO EQUIPMENT
    Saw cut 4 areas on the deck for three returns, and sweep line
    Drill pool wall in 4 areas for new 1 1/2" lines
    Patch concrete $ 1,350.00
    IF YOU WANT TO PROPERLY REPIPE POOL AND TRAVERTINE
    OVER EXISTING CONCRETE:
    Drill 4 holes into pool
    saw cut concrete for each of the 4 returns, and suctions, take topad
    plumb 1 1/2" returns to 2" return to equipment
    plumb new 2" suction from skimmer and from vacuum line forsplit suction
    plumb 1 1/2" sweep line to equipment
    saw cut equipment pad to reduce size of pad, haul heater torecycle
    replumb inside the room, keeping plumbing on the left side
    patch concrete with common cement $ 1,950.00
    three port valve for split suction (required for repipe) $ 150.00
    Put Electric line underground from bush to equipment $ 995.00
    Remove gas line that is above ground, done with thecomplete
    repipe Nocharge
    PREPARE POOL TO HAVE TRAVERTINE SET IN SAND OVER THE
    EXISTING CONCRETE DECK (by us or by others)
    Raise pool up to 2" as needed, core drill into beam, addsteel and
    concrete $ 1,650.00
    Raise Skimmer No charge
    Use 5 cm Travertine $ 650.00
    Saw Cut and remove diving board stands $ 100.00
    (owner to purchase another board and will set jig in concreterepair for light)


    Contractor to Set owner's Travertine on a sand baseover the
    existing concrete, Sand and labor only
    up to 1,200 sq. ft. $ 12,000.00
    Equipment:
    Pentair 420 sq. ft. Clean and Clear Plus Filter $ 995.00
    bond pool equipment to code (bond wire will originate from poolsteel)
    reset owner's pumps on equipment $ 595.00
    Convert ladder to grabrails and wall steps
    patch concrete with common cement $ 795.00
    WET EDGE INTERIOR FINISHES STANDARD COLORS add to plaster:
    Luna Quartz 10 year warranty $ 2,795.00
    Pearl Martrix or Ca. Beach 15 year warranty $ 3,395.00
    Satin Matrix 15 year warranty $ 3,750.00
    Primera Stone 15 year warranty $ 3,999.00
    Prism Matrix15 year warranty $ 4,375.00

    Thanks,

    Prehistoric Pool
    Retro Classic Pool built ~1960 and all original. In ground gunite
    16x36, 8.5' feet deep, ~22,000 gallons
    Stained white plaster, concrete coping, concrete deck
    125 square foot cartridge filter, Polaris 280 with booster pump

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    Mod Squad kimkats's Avatar
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    Jul 2012
    Location
    Tallahassee, FL
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    26,689

    Re: Major Remodel - travertine over old concrete deck, raise bond beam to match?

    I am sorry but I have no idea about the cost or if it is a good idea to do what your PB said. I just wanted to say good luck and share some pics as we love to watch redos!

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

  3. Back To Top    #3

    Join Date
    Jan 2014
    Location
    SE Louisiana
    Posts
    147

    Re: Major Remodel - travertine over old concrete deck, raise bond beam to match?

    Some relatives of mine have just completed a remodel with travertine similar to yours. They had 1.25 inch travertine pavers directly set on the existing concrete concrete (with thinset). Then they had 4" remodel travertine coping placed on top of existing coping with the overhang cut off. I would think that this would be easier for the contractor and would cost less. Also, I would think that it would be far better to have decking that is fixed in place.

    Not sure if that option would suit you ... but something to consider.

  4. Back To Top    #4

    Join Date
    Aug 2015
    Location
    ocala fl
    Posts
    15

    Re: Major Remodel - travertine over old concrete deck, raise bond beam to match?

    Did you decide what to do? I'm in the process of doing something similar. My bond beam is slightly higher than the concrete deck in most areas. I removed the existing concrete coping, and am going to use thin set to attach and level the new travertine coping, and use a sand base to set and level the travertine on the deck surrounding the pool.

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