Author Topic: Construction Stuff  (Read 245 times)

roadking77

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Construction Stuff
« on: August 27, 2019, 07:28:31 AM »
2019-08-13_06-46-20 by Kerry Grubb, on Flickr
Just some misc. crap a lot of you guys probably never think about. This is a drywell system that we recently installed for a small project. The building has a foot print of 30' x 30'. County requires that the rain water is collected in this containment system. It consists of pre-assembled plastic crates. 13' x 13' x 5'. This was covered in fabric and buried. Downspouts run into this. Just the parts were over $6K! People wonder why construction cost so much!
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roadking77

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Re: Construction Stuff
« Reply #1 on: August 27, 2019, 07:32:06 AM »
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

FormTA

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Re: Construction Stuff
« Reply #2 on: August 27, 2019, 08:32:38 AM »
That's neat. My brother is an architect and designs a lot of "Green" buildings.  There is a lot going on with those... Grasses on the roof, water collection systems, solar light ect...
79 Trans am 301 (work in progress) LS swap n progress
79 Formula 301 (Work in progress)
67 RS Camaro (Work in progress)
See the recurring theme???

NOT A TA

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Re: Construction Stuff
« Reply #3 on: August 27, 2019, 12:19:44 PM »
People might wonder why systems like this are required sometimes. Might have to do with where the run off ends up far away from the construction site.

I lived on a river below a large dam. The dam was built in the early 1900's. Over time as more roads, sidewalks, buildings, driveways, etc. were built for hundreds of miles along the river and it's tributaries the runoff kept increasing. It got to the point where there would be 6-8 feet of water in the yard during floods. Flood damage was devastating once flooding got up into the first floor area. FEMA want's to remove the homes.

The last time it flooded when I lived there they forgot to tell us to evacuate because they were going to open the flood gates. Firemen with a huge swamp buggy ventured out to tell us in the middle of the night when freezing cold water was already waist deep in the yard. Fun times hiking to the buggy in pitch black surrounded by waist deep rushing river water. Force of the water flipped cars that didn't get moved because owners weren't notified of flood gate opening on a couple occasions. LOTS of water!

Waters about 5' deep in the yard in pic below. Highest it got when I was there was about 2' above the deck.



John Paige
Lab-14.com

roadking77

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Re: Construction Stuff
« Reply #4 on: August 27, 2019, 02:51:11 PM »
John, you are correct. The idea behind these kinda things is that the footprint of the building creates an area otherwise that the rain water would absorb into. The systems make sense and are pretty slick nowadays. They are great for getting the rain water away from the foundation of the house as well, helping to keep basements dry. Only problem with this one is that the building sits in the middle of a 600acre farm and is slab on grade. 99% of the time these are a great idea, in this case is mostly a waste of the homeowners money.
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

Re: Construction Stuff
« Reply #4 on: August 27, 2019, 02:51:11 PM »

NOT A TA

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Re: Construction Stuff
« Reply #5 on: August 27, 2019, 06:39:54 PM »
Some things like that are preventive planning for the future possibilities. Things change over time. While it's probably not likely, what if the farm was turned into a giant sub division 10 years down the road? Then you might end up with less than 50% of the land trying to absorb 100% of the rainfall. And runoff would increase during heavy rain or long term events when the reduced land area became saturated.

Were a perc test and open pit required required to determine water table and specs the dry well? If not how do they determine the depth, widths etc. for the dry well? Do they use "100 year flood" data to determine volume the well has to accept? Are there provisions for what happens to the water if the well can't accept any more? I was out of the site planning/design business before these were required.

Somewhat related; I owned a house in the city where the downspouts were connected to pipes underground that went to the city storm drain system. As the city became saturated with buildings the city went around trying to get folks to disconnect the downspouts because the system couldn't handle the volume.
John Paige
Lab-14.com

roadking77

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Re: Construction Stuff
« Reply #6 on: August 28, 2019, 07:17:31 AM »
Again, I agree completely. Yes a perc was done and the system was design by a P.E.  This farm has been in the same family since the land was deeded by the King, literally for centuries. I doubt it will be broken up. However, once the current generation is done with it, who knows what the next will do!
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

Jack

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Re: Construction Stuff
« Reply #7 on: August 29, 2019, 07:53:42 PM »
Just seeing this post now. Actually it is a code requirement for all enclosed additions over 75 s.f. here in MA (and many states I believe).

I had to do it when I expanded my house. I had to submit calculations stamped by a civil PE. I know about it so I planned accordingly, but often home owners don't know about this and don't include the expense in their budget.






Regards, Jack

Jack

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Re: Construction Stuff
« Reply #8 on: August 29, 2019, 08:34:39 PM »
Another issue is that a lot of the older cities around here have combined storm and sewage drain system which simply can't handle all of the additional water runoff from all of the new buildings. In my case I did it because I could not get a permit without it. But in reality it does nothing as I have a large yard and the additional water runoff from the addition roof will be contained in my back yard. Holding it in a tank does nothing.

BTW I did the calcus myself and I came up with a 900+ gallon tank, I showed the calcs to my friend who is a civil engineer, and he started laughing. Apparently I calculated the volume for a 100 year storm for a 1 hour duration whereas I just needed to calculate it for 5 minutes. He stamped the calculations and drawings and I got the permit.




Regards, Jack

76455sd

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Re: Construction Stuff
« Reply #9 on: August 29, 2019, 09:22:21 PM »
Despite what the manufacturers of these crate things tell you, do not drive a vehicle on top it’ll likely collapse.
Steve D
'76 LE 455/4speed/solid roof - SOLD
'02 WS6 T/A convertible

roadking77

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Re: Construction Stuff
« Reply #10 on: August 30, 2019, 07:25:32 AM »
Is that from experience?  Yes, I was told that they can be driven over. Our location is at the end of a service road, most likely heaviest thing will be a zero turn mower, or a Polaris 4 wheeler. I  have had my skid loader on top of it, which weighs about twice that of a pickup.  There is still concrete to be poured on site and I had already made up my mind NOT to let that truck go over it. Also, because of the grade we have between 3' to 5' of cover.
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

Jack

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Re: Construction Stuff
« Reply #11 on: August 30, 2019, 09:05:11 AM »
The problem is that civil engineers design such systems based on the manufacturer's published information but without input from a structural engineer. Unlike concrete underground structures they don't have ratings and the installation has to be exact and perfect. They do fail and when that happens usually there is a lot of finger pointing, just make sure the engineer signs off...




Regards, Jack

roadking77

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Re: Construction Stuff
« Reply #12 on: September 03, 2019, 07:06:26 AM »
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

FormTA

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Re: Construction Stuff
« Reply #13 on: September 03, 2019, 07:50:58 AM »
What? Were you board??  :lol:
79 Trans am 301 (work in progress) LS swap n progress
79 Formula 301 (Work in progress)
67 RS Camaro (Work in progress)
See the recurring theme???

roadking77

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Re: Construction Stuff
« Reply #14 on: September 03, 2019, 09:50:12 AM »
LOL! Start of a project, my son is in the shop presently finishing things up. I will post the after pic when its all done.
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

Re: Construction Stuff
« Reply #14 on: September 03, 2019, 09:50:12 AM »