Science room re-do #1: Phase 1

Blog entry by BillyJ posted 09-02-2009 12:53 AM 6540 reads 0 times favorited 5 comments Add to Favorites Watch
no previous part Part 1 of Science room re-do series Part 2: The finished product »

A little background:

This room was converted from a pre-school room to a science room almost 10 years ago. The architects felt they would provide the school with a lab such as one might find in industry. I talked with many chemists, and to the person, they never saw any professional lab set up like this.

To begin with, the lab sink counter is too high. At more than 42”, it would take a person over 6’ tall to see into the middle of the sink. Second, the sink. It is 8” in diameter and 8 1/2” deep (with three faucets).


I began by removing the top and cutting for a larger sink. I had ordered a 13” x 13” x 8 1/2” deep sink that was chemical resistant. The company informed me I would need diamond blades to cut the material. Now I’ve cut almost everything at one time or another, and I have never heard that you would need a diamond blade to cut an epoxy composite counter top. Sure enough, my carbide blade worked without a problem.


After applying pure silicone sealant, I clamped the sink to the counter and began cutting the bottom of the cabinets. I was able to take 4 1/2” off the bottom, making the counter top about 3/4” from the top of the adjoining work tables.


I am now working on putting it all back together again, and start on the second sink (I will do the same thing to it). I will, however, learn from my miscalculations. I forgot to measure the clearance between the top of the water shut-off valve and the bottom of the chemical trap. Now I have to raise the top about 3/4” to allow for the valve to be turned!

-- No matter how many times I measure, I always forget the dimensions before I cut.

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5 comments so far

View BeachedBones's profile


36 posts in 4848 days

posted 09-02-2009 02:45 AM

FYI I’ve seen chemistry sinks like that, their purpose is intentionally awkward. They’re made to not be used by people to wash up, or clean instruments. That style of sink is made to drain non toxic byproducts such as those from condensation tubes or distillations. The basic idea is to keep that sort of thing away from a sink used by people that could be contaminated or pose a hazard to people.

Good job on the retrofitting.

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253 posts in 4657 days

posted 09-02-2009 02:53 AM

Thanks for the insight. You are the first to explain the full intentions. However, how practical is that in a classroom setting – especially when students need to clean up their instruments?

-- No matter how many times I measure, I always forget the dimensions before I cut.

View hardwoodflooring's profile


68 posts in 4651 days

posted 09-02-2009 03:20 PM

That is a nice retro job.

View BillyJ's profile


253 posts in 4657 days

posted 09-04-2009 05:06 AM

Thanks. I’ll be posting an update soon.

-- No matter how many times I measure, I always forget the dimensions before I cut.

View CatherineBlack's profile


6 posts in 967 days

posted 10-28-2019 06:46 PM

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