Deerfield & Roundabout Railway Track & Wheel Data
(Scroll down for drawing notes. Revision 07-04-2009)
Notes for drawing DRTRK30 (Revision 07-04-2009)
1. Rectangular steel washers for use with screw spikes shall have nominal dimensions of 1 inch by 2 inch by 1/4 inch thick with 7/16 inch diameter center hole.
2. Unless specified otherwise, rectangular steel washers shall be positioned with 1 inch side of washer toward base of rail.
3. At splice bar locations rectangular steel washers shall be positioned with 2 inch side of washer toward splice bar.
4. Dimensions and details illustrated apply to all holes and are relative to type of spike used.
5. Preferred procedure shall be to use all cut spikes or all screw spikes per tie.
6. Tie shall be securely nipped when drilling holes or driving cut spikes or screw spikes.
7. Cut spikes or screw spikes shall be driven plumb +/- 5 degrees all directions.
8. Bent over cut spikes shall not be permitted.
9. Torque shall be limited when driving screw spikes to avoid stripping tie threads.
10. Side of tie facing base of rails shall be selected to avoid tendency of splitting grain of tie when driving cut spikes or screw spikes.
11. Ties shall be produced from approved nominal 4 by 4 treated lumber by cross cutting 8 foot long lumber into 6 ties each having a nominal length of 15 and 7/8 inches.
12. Unless specified otherwise, ties shall be set perpendicular to center line (C/L) of track.
13. Unless specified otherwise, tie spacing shall be 24 inches +/- 1 inch C/L to C/L.
14. Approximately 330 ties per scale mile.
15. When ties are replaced in existing track, operations shall not be permitted that disturb the surface or alignment of the track. Extra precautions must be taken to avoid lifting track out of the ballast.