. The design of a hydro-electric plant at Ottawa, Illinois . 41. is the best kind in riich to set poles being a layer of black soil on tooof yellow clay. Another good thing about the ground on vhich the line ivillbe constructed is that it has good drainage and this -will mean dry landwith very little rot to the pole line. The right of vray will be alon^, the interurban tracks and therefcreit will always be an easy matter to get at any trouble on the line. Inconing into the cities where substations are located it vrVl not be necessaryto buy expensive land because the ground is al-eady in
. The design of a hydro-electric plant at Ottawa, Illinois . 41. is the best kind in riich to set poles being a layer of black soil on tooof yellow clay. Another good thing about the ground on vhich the line ivillbe constructed is that it has good drainage and this -will mean dry landwith very little rot to the pole line. The right of vray will be alon^, the interurban tracks and therefcreit will always be an easy matter to get at any trouble on the line. Inconing into the cities where substations are located it vrVl not be necessaryto buy expensive land because the ground is al-eady in The toTnia arein most cases not so large that great care has to be taken in the directionor the parts of town that the line is run th>u. There will hov^ever be ^v.^that vrill limit the line construction as to safety and other minor line will be double circuit supported on steel towers. On top of thatower there is to be a stranded cteel cable run for lightning protec-tion. On the following page a drawing of one of the towers can be
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthy, booksubjecttheses
