. Railroad structures and estimates . em. Bythis method all wiring and joints are protected from smoke andgas fumes, and the work of wiring is simplified, and as all partsare accessible, repairs can be made easily. Usually three incandescent 16-candlcpower drop lights areplaced between each stall, with a plug receptacle connection oneach post for portable hand light. The lamps are protected by^^^re screens over the hghts. 528 INSPECTION PITS. Switches are placed on the back or front walls for each stall orseries of stalls. Outside, arc lights are generally used, strung on poles in con-venient
. Railroad structures and estimates . em. Bythis method all wiring and joints are protected from smoke andgas fumes, and the work of wiring is simplified, and as all partsare accessible, repairs can be made easily. Usually three incandescent 16-candlcpower drop lights areplaced between each stall, with a plug receptacle connection oneach post for portable hand light. The lamps are protected by^^^re screens over the hghts. 528 INSPECTION PITS. Switches are placed on the back or front walls for each stall orseries of stalls. Outside, arc lights are generally used, strung on poles in con-venient position. The number vary with the size of the houseand the amount of light desired. f Approximate Cost. — The cost of complete installation variesfrom $50 to $75 per stall. Inspection Pits. — Inspection pits are provided on the in-coming tracks where the engines are inspected as soon as theyreach the terminal and before the engineer leaves. The ad-vantage is in having the repairs started at the earliest possible IK 1 ^1 1 1 PLAN. 100 >(K- Fig. 245. Plan and Section of Inspection Pits, C. & A. moment; tlic inspectors mak(> minor repairs, such as tighteningnuts, etc., or have assistants to do this work. A good deal ofthe routine inspection of locomotives is done in the inspectionpits, relieving the tracks of the roundhouse to a large extent. Inspection Pits, C. ci* A. — Two engine inspection j^its, built bythe Ciiicago & Alton at Glen, 111., are shown on Fig. 245. Thepits are located just west of the coal chute, are 75 ft. longand arc built of concrete. A concrete stairway at the center of INSPECTION PITS. 529 ,..L
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