. Electric railway journal . Coal Storage Pit and Trestle set in the Moor to prevent an)- side motion which might becaused by vibration. A 16-ft. reach was used with double 16-in. stringers. Ties were spaced with 24-in. centers, theidea being to use only sufficient chords to carry the maximumload and thus leave ample space between the ties to allow drop-bottom dump cars to be handled. This trestle runs throughthe center of the pit and the width of the pit was governedby the length of the boom or extreme reach of a locomotivecrane. The track over the pit is a stub siding with an Ellisbum
. Electric railway journal . Coal Storage Pit and Trestle set in the Moor to prevent an)- side motion which might becaused by vibration. A 16-ft. reach was used with double 16-in. stringers. Ties were spaced with 24-in. centers, theidea being to use only sufficient chords to carry the maximumload and thus leave ample space between the ties to allow drop-bottom dump cars to be handled. This trestle runs throughthe center of the pit and the width of the pit was governedby the length of the boom or extreme reach of a locomotivecrane. The track over the pit is a stub siding with an Ellisbumper at the extreme end and the ties are extended over the9-ft. length to allow for a 2-ft. walkway so that workmen mayhave free access to the sides of the cars. The water supply is from a 3-in. main which dischargeswaste water from the condensers at the power house. Theoutlet was installed about 6 ft. above the bottom of the Amcr. Steel & Wire 27 Gage Reinforcement 24 Water Outlet withReducer to 14Valve. Hydrotite Waterproofing Compound. Footing under Bent, Section of Coal Storage Tank In constructing the pit the sides and bottom were pavedwith a 10-in. concrete slab, 9 in. being a 1:3:5 mixture of con-crete with style 27 American Steel & Wire Company reinforce-ment placed about 2 in. from the bottom to prevent cracksand sliding from expansion, settling and contraction. The en-tire inside surface was coated with a i-in. wearing surface ofa 1:2 mixture of sand and cement, containing Hydratite water-proofing in the proportion of 1 part to 50 parts of the cement,mixed comparatively dry and laid in alternate sections, 6 width, running from the top to the bottom of the pit. Themen worked from a temporary step scaffolding and tamped the only 2 at Top. 3 at Bottom Used by Illinois Traction System the idea being that when the water was as low as this the craneman would have no
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