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AND TRESTLES

W. H. Hoyt, Chairman;

A. O. RIDGWAY, Vice-Chairman; H. AUSTILL,

E. M. Lewis, 0. C. BADGER,

J. B. MADDOCK, C. H. BLACKMAN,

D. W. SMITH, H. J. HANSEN,

L. L. SPARROW, W. E. HAWLEY,

G. C. TUTHILL, H. T. HAZEN,

A. M. VanAUKEN, C. S. HERITAGE,

S. L. WONSON,

Committee. To the American Railway Engineering Association: Your Committee respectfully reports on the following subjects:

(1) Revision of the Manual In Appendix A are given the changes and addition to the section of the Manual assigned to this Committee. This report is brief because of the intensive work done by this Committee last year in anticipation of the publication of the new Manual. (2) Wooden Trestles-Open-Deck, Multiple-Story and Ballast-Deck

In Appendix B-Exhibits 1, 2, 3, 4, 5, 6, the Committee reports on subject No. 2, which has been before this Committee for two years for investigation and study. The Committee's recommendations are given under the heading of Conclusions.

(3) Fireproofing Wooden Bridges and Trestles In Appendix C the Committee submits report on subject No. 3 and its recommendations are given under the heading of Conclusions.

CONCLUSIONS 1. The Committee recommends that the changes and additions to the Manual as given in Appendix A be approved.

2. The Committee recommends that the plans for standard OpenDeck Pile Trestles, Light Design, as shown in Appendix B, Exhibit 1, be approved for printing in the Manual as recommended practice.

3. The Committee recommends that the plans for standard OpenDeck Pile Trestles, Heavy Design, as shown in Appendix B, Exhibit 2, be approved for printing in the Manual as recommended practice.

4. The Committee recommends that the plans for standard Open-Deck Frame Trestle, Light Design, as shown in Appendix B, Exhibit 3, be approved for printing in the Manual as recommended practice.

5. The Committee recommends that the plans for standard OpenDeck Frame Trestle, Heavy Design, as shown in Appendix B, Exhibit 4, be approved for printing in the Manual as recommended practice.

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