Concrete Water Tank

[NW Mailing List]

Reminds me of when they were building the new coaling tower in Bluefield about 1952. They drove pilings down to bedrock; but not to support the coaling tower. The pilings were to support the tracks while they excavated down to bedrock for the footings of the coaling tower. As I recall, it was a steam driven pile driver - quite a sight, and quite a sound!

Jim Nichols 


On Saturday, February 7, 2015 12:31 PM, NW Mailing List via NW-Mailing-List <nw-mailing-list at nwhs.org> wrote:
  


Well in swamps or even the desert as they had to do for every skyscraper in 
Dubai you drive piles down to the bedrock! LOTS of them! LOL Then after you have 
driven all of them they get all cut off to the same height. In most cases a 
monolith pour of concrete is poured on top of it then the footings are 
poured. 
Ray Russell Sr. 

In a message dated 2/7/2015 9:31:26 A.M. Eastern Standard Time, 
nw-mailing-list at nwhs.org writes: 
This discussion can be carried to another level. 
>
> 
>A 200,000 gal water tank holds about 800 tons of water (200,000   gals X 8 lb gal = 800 tons.)  Spread that weight out over a dozen  footers, and each footer must support (only) 66 tons of water + some  additional load for the structure. 
>
> 
>That is not a lot of weight for a footer to carry, but I am wondering how  footings were handled in places like the Dismal Swamp?  How deeply were  they carried down, and how does one excavate to bed rock in a swamp...? 
>
> 
>A 200,000 gal tank could fill twenty very old 10,000 gal tenders, ten  modern 20,000 gal tenders, or 6.6  30,000 gal whopper tenders.  This  makes me wonder about the re-fill rate.  Anyone know the hourly capacity  of the steam, distillate engine and electric motor pumps which were, over the  years, used to re-fill the N&W tanks? 
>
> 
>Some railroads had a Superintendent of Water Service.  Who, on the  N&W, wore the King-Waterboy hat?  And did this function (water  supply) fall under the Motive Power or the MW Department? 
>
> 
>-- abram burnett 
>
> 
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