One of the most rigorous aspects of G-73 is the mandatory log-keeping. Each gearbox must have a “Lube Oil History Card” that records:

Mount the primary door-operating shaft bearings securely onto the wagon's heavy central center sill.

The physical structural carriage relies entirely on (typically CASNUB 22 NLB or CASNUB 22 HS variants) governed alongside complementary specifications like RDSO Technical Pamphlet G95 .

Technical Pamphlet G-73 is the official specification for the BOBRN (Bogie Open Bottom Rapid Discharge)

He flipped the cover open. The first page was a dense block of legal text, typical of the Organisation. “Classification: Restricted – Eyes Only.”

Though I don’t have the original, most RDSO technical pamphlets follow a structure similar to this:

Per the RDSO G-73 Assembly Guidelines%20DOM(G-73)%20Spec.pdf), the step-by-step mechanical rigging process follows a precise sequence to prevent operational binding: