Givens
Aisle Width
Preferred: 36”
Okay: 30”
Minimum: 24”
Benchwork Width
Preferred: 24”
Okay: 18”
Minimum: 6”
Deck Height From Floor
Minimum: 50”
Maximum: 70”
Minimum Radius
Mainline: 36”
Branch Line: 30”
Sidings: 24”
Gradients
Mainline: 1 in 60
Branch Line: 1 in 40
Turnout Frogs
Main Line: No. 8
Branch Line: No. 6
Sidings: No. 6
Multi-Track Spacing
Standard: 2”
Curves: 2¼”
Track Over Track Spacing
Railhead To Railhead: 3½”
Track Distance From Edge
Front Edge: 1¼”
Back Edge (Back-Drop): 2”
Train Length
Measured In S Trucks: 60 S Trucks (18 Feet)
General
Operate Using A Timetable.
Staging Sufficient To Operate An Entire 24-Hour Day.
Walk-Around, Point To Point Track Plan.
Long Main Line Run.
Realistic Operation Using Signal & Telegraph, Staff & Ticket.
Digital Command Control Wireless Throttles.
Reverse-Loop Staging For Main Staging Yards, Stub Yards For Elsewhere.
A Continuous Run For Testing Locomotives.
Minimum Deck Seperations Of 12”.
Layout To Be Able To Be Operated By One Person.
Druthers
Room Esthetics
Carpeted Floors
Air-Conditioning
Painted Walls
No Exposed Wires
Bright And Even Lighting (Shadow Box)
Curtain, Fascia & Valance
Design Philosophy
At Least 25 Feet Between Towns
Minimum Hidden Trackage
Minimum Number Of Turnback Blobs
No Duck-Unders, Nod-Unders Are Okay
Exceed 30” Minimum Radius Wherever Possible
