To the American Railway Engineering Association: Report is respectfully submitted on the following subjects: (1) Revision of Manual Proposed changes in the Manual, Items I, II and III, are given in Appendix A. (2) Typical Plans of Turnouts, Crossovers, Slip Switches, Double Crossovers and Railroad Crossings, and Detail Plans for Such Work In Appendix B the Committee reports on this subject, and its recommendations are given under Conclusions. (3) Plans and Specifications for Track Tools In Appendix C the Committee reports on this subject, and its recommendations are given under Conclusions. (4) Specifications and Piece Work Schedules for Contracting In Appendix D the Committee submits "Specifications and Unit Track Work Schedules for Contracting Maintenance Work," and its recommendations are given under Conclusions. (5) Plans and Specifications for Switch Stands, Switch Lamps and Switch Locks In Appendix E the Committee reports on this subject, and its recommendations are given under Conclusions. (6) Gages and Flangeways for Curved Crossings In Appendix F the Committee submits an explanatory report on Tables No. 1 and No. 2 recommended for adoption and publication in . the Manual (Appendix A, Item III). (7) (a) Tests of Tie Plates Subject to Brine Drippings; (b) the Effect of Brine Drippings on Track Appliances In Appendix G the Committee submits a progress report on this subject. A (8) Reduction of Taper of Tread of Wheel to 1 in 38, and Canting the Rail Inward In Appendix H the Committee submits a progress report. (9) Outline of Work for the Ensuing Year The Committee's recommendations are given under Recommendations for Future Work. CONCLUSIONS 1. The Committee recommends that the additions to the Manual as submitted in Appendix A be approved. 2. The Committee recommends certain plans for adoption and others to be received as information. Appendix B also covers progress report on uncompleted work, and reassignment of the subject is requested. 3. The Committee recommends that the plans submitted be adopted and that the subject be reassigned, that the preparation of specifications which could not be completed may be continued. 4. The Committee recommends that the specifications submitted be adopted, and the Committee be authorized to continue its work on this topic. 5. The Committee recommends one plan for adoption and another to be received as information, and submits a list of certain A.R.A. Signal Section plans, which it recommends for endorsement by the Association, and a progress report to be received as information. The Committee recommends that this subject be continued. 6. The tables submitted in Appendix A, Item III, and explanatory report in Appendix F completes the work of this Sub-Committee. The Committee recommends that this subject be discontinued. 7. The Committee recommends that the progress report in Appendix G be received as information and that the subject be reassigned. 8. The Committee recommends that the progress report in Appendix H be accepted as information and that the subject be continued. Recommendations for Future Work 9. With the exception of Subject No. 6, the Committee recommends that the present assignments be continued, and, in addition, the following new subjects: (a) Method to be used in determining recommendations for rail renewals. (b) Curving of rails, recommending limits of curvature to spring in track for various weights of rails, etc. (c) Results obtained from oiling track fixtures. (d) The use of guard rails on curves, considering specifications to cover conditions, as: degree of curvature; speed; traffic conditions; grade. Respectfully submitted, THE COMMITTEE ON TRACK, W. P. WILTSEE, Chairman. (1) STUDY THE MANUAL AND SUBMIT PROPOSED The Committee recommends the following Supplement to the Speci fications for Switches, Frogs, Crossings and Guard Rails, adopted March, 1921: SUPPLEMENT TO SPECIFICATIONS FOR SWITCHES, FROGS, CROSSINGS AND GUARD RAILS Manganese Steel Track Castings 1. GENERAL CONDITIONS.-Castings shall be reasonably smooth and true to pattern in accordance with good foundry practice. Large lumps, sharp fins, sand and chills on the outside of castings shall be removed. The castings shall be free from such blow holes, sand holes, cracks, cold shuts and other defects which would impair their serviceability and as further specified below. Castings must be out of twist and reasonably true, both as to general surface and alinement, and must not show any signs of straining or undue denting produced in the straightening process. The bottom part of castings which rest on ties shall be reasonably straight and out of twist, and shall be free from lumps or such imperfections as would prevent a good bearing. 2. IMPERFECTIONS.-Tread surfaces within 21⁄2 in. of gage line and side of groove 1 in. down from tread shall be free from physical defects, such as shrinkage cracks, sand holes, blow holes, cold shuts or segregation of metal, unless such defects are so small that they have been practically removed by the finish grinding, and there must be no indication of unsoundness of the metal. Shrinkage cracks, cold shuts or segregation of metal will not be allowed in any part of the tread surfaces. Sand holes, blow holes, and cold shuts in portions of the casting where they will not appreciably weaken the casting, or impair its wearing qualities, will be permitted. Castings must be free from shrinkage cracks running vertically in web members of solid work or horizontally at or near the ends or in corners of junction of projecting members or longitudinally in grooves. Other small shrinkage cracks which do not materially weaken the casting will be acceptable. The above Supplement, it is felt, would be of material assistance to the inspector on this class of work. Item II The Committee recommends that plan No. 252, dated November, 1921, and titled "Details of Lamp Tips for Switch Stands," be adopted, and that Section 12 of "Requisites for Switch Stands, Including Con necting Rods," adopted March, 1921, be revised to refer to this plan, to read: "12. Lamp tips shall conform to plan No. 252." It was found there are at present in service lamp tips of a great variety of dimensions, varying in many cases by only a small fraction of an inch, each set of dimensions requiring individual patterns or dies. Hence, as one detail of lamp tip could not be proposed to meet all conditions, a sufficient variety of styles has been illustrated to meet various operating requirements. Detail 61 conforms to A.R.A. Signal Section standard. Item III In reference to article "Gage on Curves," adopted, Vol. 11, Part 2, 1910, pp. 942, 954, 955; Vol. 16, 1915, pp. 733, 1145, reading: Present "GAGE ON CURVES" "Curves 8 deg. and under should be standard gage. Gage should be widened in. for each 2 deg. or fraction thereof over 8 deg., to a maximum of 4 ft. 94 in. for tracks of standard gage. Gage, including widening due to wear, should never exceed 4 ft. 91⁄2 in. "Where frogs occur on the inside of curves, the gage at the frog should be standard or the flangeway of the frog should be widened to compensate for the increased gage." Proposed For general conditions in main line tracks, curves 8 deg. and under should be standard gage. Gage should be widened % in. for each 2 deg. or fraction thereof over 8 deg., to a maximum of 4 ft. 94 in. for tracks of standard gage. Gage, including widening due to wear, should never exceed 4 ft. 91⁄2 in. Where frogs occur on curves, the gage at the frog should be standard or the flangeway of the frog should be widened to compensate for the increased gage. For the widening of gage and flangeways on curves for the operation of specific locomotives or for special conditions and for curved crossings, refer to Tables No. 1 and No. 2 for "Gages and Flangeways in Curved Track." The Committee recommends that the following supplementary tables be adopted and published in the Manual: Table No. 1, dated November, 1921, and entitled "GAGES AND FLANGEWAYS IN CURVED TRACK" Table No. 2, dated November, 1921, and entitled "GAGES AND FLANGEWAYS IN CURVED TRACK-GAGE DIAGRAMS FOR RIGID WHEEL BASE LOCOMOTIVES" An explanation of these tables is given in Appendix F. (2) REPORT ON TYPICAL PLANS OF TURNOUTS, CROSSOVERS, SLIP SWITCHES, DOUBLE CROSSOVERS AND RAILROAD CROSSINGS, AND DETAIL PLANS Plan 701. Three rail design, angles 90° to 50° inclusive. Plan 702. Plan 708. Single rail design and two rail design, angles below 25° and above 14°15'. Plan 709. Single rail design and two rail design with short easer rails, angles 14°15′ to 8°10', inclusive. Plan 710. Single rail design and two rail design, angles 14°15' to 8°10', inclusive. Manganese Steel Insert Crossings Plan 751. Designs and dimensions of inserts, angles 45° to above 14°15', Detail "A." Plan 752. Designs and dimensions of inserts, angles 45° to above 14°15′, Detail "B." Plan 753. Designs and dimensions of inserts, angles 14°15' to 8°10′, inclusive. Plan 754. Three rail design, angles below 45° to 35°, inclusive, Detail "A." Plan 755. Two rail design, angles below 45° to 35°, inclusive, Detail "A." Plan 756. Three rail design, angles below 35° to 25°, inclusive, Detail "A.” Plan 757. Two rail design, angles below 35° to 25°, inclusive, Detail "A." Plan 758. Two rail design with short easer rails, angles below 25° and above 14°15', Detail "A." Plan 759. Two rail design, angles below 25° and above 14°15′, Detail “A.” Plan 760. Single rail design with short easer rails, angles below 25° and above 14°15', Detail "A." Plan 761. "A." Plan 762. Three rail design, angles below 45° to 35°, inclusive, Detail "B." Plan 763. Three rail design, angles below 35° to 25°, inclusive, Detail "B." Plan 764. Two rail design with short easer rails, angles below 35° to 25°, inclusive, Detail "B." Single rail design, angles below 25° and above 14°15', Detail Plan 765. Two rail design with short easer rails, angles below 25° and above 14°15', Detail "B." |