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Portable Sink

This is my version of the DIY portable sink.  I've seen quite a few on the interwebs and thought it would be a great addition to my garage. But since it freezes here it will also include frost protection.

Bill of Materials:    ( * = adding in future version)(links to amazon)

    Suncast 3600 base cabinet                                          $120
    moen 15x15 22ga SS bar sink                                        $45
    2x Reliance 7 gal containers                                       $19
    3/8" braided tubing (3/8" for hooking up fresh water)              $
    X/X" braided tubing for waste (larger than supply size)            $
    12v water auto off water pump                                      $27
    pressure diaphragm                                                 $36
*   Bosch ES 2.5 1440w water heater                                    $160
*   shelves for other cleaners/things I wish not to let freeze         $
*   Schumacher 12V/6A(70w) power supply                                         $21
*   appliance power cord 15A                                           $
    KES Faucet                                                         $53
    SS soap dispenser                                                  $29

*   foil foam board insulation                                         $
*   plug in freeze protection thermostat                               $14
*   lasko personal 200w heater                                         $18

    14x SS hose clamps
    90* brackets for soap shelf
    #10x3/4" sheet metal screws for top, soap shelf
        #6x1-1/2" sheet metal screws for sink ancors
        clear silicone caulk
        2x handy boxes with outlet covers
        3x 1/2" wire clamps for boxes
        12' 12 Gauge romex
        15' 12 Guage rubber power tool cord
        1/2" watertight cord strain releif
        NEMA 5P-15 plug
        blade fuse holder
        5amp blade fuse
        Anderson Power Pole connectors for pump

        

Cost:       Upgrade  Total

Version 1            $184    
Version 2   +$ 72    $256 +tubing and fittings cost + electrical boxes
Version 3   +$ 32    $288 +foil
Version 4   +$160    $448



Other BOM (unsure on specs)

Right now I'm thinking there will be several versions due to the cost of this device and that I need something that will work soon.

Version 1
To save initial costs a hot water heater will be added later.  Everything else will function as planned. 

Version 2
Will have a water heater for those colder months

Version X.5
Add backsplash for towel bar, shelf


To do:

add hot water heater
shorten and support feed, waste  hoses, add 90* to drain.
add slotted steel to back for 2 vertical posts to mount a stainless steel backsplash and towel bar/shelf
Install interior shelving with extra space above water heater



The Build:
Working on layout and measurements.

Notch in plywood reinforcement for top to fit plastic door catch

Layout of plywood top.  Intersecting lines are where to add screws to mount to plastic.

Hole cut for sink.

Final fitting and marking where to put ancors for sink mounts to plywood.

Final fitting and marking where to put ancors for sink mounts to plywood.

Sink mount reinforcement when using top pull downs.

Pump, diaphragm, power supply, bulk soap shelf, empty socket for future addition of a water heater.

Faucet and soap dispenser mounted

Running final tests

1.2GPM is perfect if not too much for just hand washing. 





Research:

http://youtu.be/pTbTRancmXs

http://concessionsinks.com/

http://www.ebay.com/itm/Portable-Sink-3-Compartment-Dish-Washer-for-Camping-Outdoor-Catering-Backyard-/261191761874

http://hotwaterportablesink.com/




Log:

03/23/15

Just picked up a set of garden hose disconnects to use for waste and fresh water tanks to aid in removal.  Haven't figured out what fittings are needed yet.  

04/10/15

Decide to skip to running water as the jug I was planning to use is just toooo heavy for the top of this cabinet.  Spent a long time trying to decide what faucet to use, a pullout sprayer a normal cheapy.  But what I ended up deciding is to use a single hole faucet and use a soap dispencer in the other hole.  There is only a slight problem as this makes the faucet slightly askew and not centered.  At the time I bought the parts (because im writing this before assembly) it seems it should work fine.  

05 04 15

Installed 1/2" hardwood plywood to the interior.  Mounted the pieces with predrilled 7/32" (this should have been bigger to allow screw to spin and bite more plastic. but seems to hold very well anyway.)  holes and installed with #10 3/4" hex head sheet metal screws.  Cut opening for sink basin and prepared for mounting.  Problem is sink clips aren't long enough for the thick top combined with the plywood reinforcement.  So I came up with using longer screws (and slightly larger) #8 sheet metal screws in to the clips instead of the supplied #6 1".  Then to have that anchored down, I'm using flan 90* metal braces that are screwed into the plywood with #8 1/2" hex head sheet metal screws predrilled with a 7/32" bit.

06 20 15

Installed pump, diaphragm, shelf for soap, caulked and mounted sink, routed and plumbed hoses.  Final touch up bits are noted but is now functional.
designed/build feed straw for water supply.
Add on changes in the future:
add hot water heater
shorten and support feed, waste  hoses, add 90* to drain.
add slotted steel to back for 2 vertical posts to mount a stainless steel backsplash and towel bar/shelf
Install interior shelving with extra space above water heater

Still unsure how to make an electronic tank gauge work

07/15/15

After using about 1 tank in over a month of just handwashing.  The grey tank does get a bit of funk going.  I am now using grey water deodorizer from camco.  Shall see how well this works as now I could rinse out coffee cups and drink cups.

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