the rotary converters on line, the current is raised to 20,000 volts by means of 3-400 K. W. step-up transformers.

Each sub-station is equipped with 3-100 K. W. transformers for reducing to line voltage, and with a 300 K. W. rotary converter with necessary starters, switch panels, etc.

The sub-station buildings are designed as 30'x40', the walls being constructed of concrete blocks with steel trusses and gravel roof.

The car house and repair shop are of similar construction, the car house being 190'x46' and repair shop 140'x24'.

As it would only be necessary to hold but one or two cars over night at either terminal, it would be economy to shelter them in barns of city railway companies.

ROLLING STOCK.

The rolling stock cost is based upon eight standard passenger cars, two combination passenger and express cars, and two package freight cars, each having a 200 H. P. motor equipment.

A 30 ton locomotive, having 300 H. P. motor equipment for hauling work trains and freight cars, and ten flat cars, are included in estimate.

COST OF CONSTRUCTION.

In the following estimates the quantities and costs are based as follows under the various heads:

(a) Clearing and Grubbing: All cutting of trees and underbrush, and removing of stumps along right of way.

(b) Excavation and Embankments: All earth work to subgrade.

(c) Bridges: All plate girders, steel trusses, and wooden trestles.

(d) Concrete: All masonry in wall or arch for culverts and abutments for steel spans.

(e) Ballast: All cost of material, loading, transportation and placing. (f) Rails: All "T" and girder rails and special work in main track, sidings and switches.

(g) Spikes: All used in main track, sidings and switches.

(h) Splices and Bolts: All used in main track, sidings and switches.

(i) Ties: All used in main track, sidings and switches.

(j) Track Laying and Bonding: All labor connected with this part of construction.

(k) Fencing: All cost of one line on private right of way paralleling roads; two lines where passing through a property.

(1) Highway Crossing: All cost for planking, cattle guards and fencing. (m) Culvert Pipe: All cost of cast iron pipe in place.

(n) Bonds and Cross-bonds: All cost of 0000 copper bonds in place under

splice bar and cross-bonds every 500 feet.

(0) Platforms and Shelter Houses: All costs for stations along line.

(p) Repaving: All cost for taking up and relaying pavement in Kenton and Marion.