Re: [CBQ] Interpreting a track chart bridge callout?

["John D. Mitchell, Jr." <cbqrr47@yahoo.com>]

 I beleive Sp. = steel piling Those are the spans of the trestle. There was one thru truss 132' long

--- On Sun, 1/27/13, STEVEN HOLDING <sholding@sbcglobal.net> wrote:

From: STEVEN HOLDING <sholding@sbcglobal.net>
Subject: Re: [CBQ] Interpreting a track chart bridge callout?
To: CBQ@yahoogroups.com
Date: Sunday, January 27, 2013, 3:05 PM

 

Randy
I would suggest that is a pretty good guess because the Q was an early advocate of concrete and steel construction due to less maintenance and fireproof.
They could have pounded the steel pipe right next the wood piers as they replaced them.
Steve in SC

---

From: Randy Gordon-Gilmore <randy@prototrains.com>
To: cbq@yahoogroups.com
Sent: Sun, January 27, 2013 10:04:09 AM
Subject: [CBQ] Interpreting a track chart bridge callout?

 

Hi all,

On the track alignment chart, the Salt Creek Bridge at Ashland is
called out

1-17' 1-11' 3-20' 13-14' Sp.P.T. 1-132'Th.Tr.

I can see that the 1-132'Th.Tr. is the main through truss bridge, but
what is the significance of the rest? The alignment chart key says
F.T. is Frame Trestle and W.P.T. is Wood Pile Trestle, but doesn't
say what Sp. means. Or the significance of the numbers, which are
heights? spans? spacings?

I'll appreciate any help on this.

Thank you,

Randy
--
Randy Gordon-Gilmore
http://www.prototrains.com
randy@prototrains.com

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