Five steps of a feeder extension are shuffled on the table: construction, staking, GIS update, work order, as-built. A crew is ready to roll trucks. Before reading on, put them in order and name the one step that has to happen first, before anyone touches a pole. Most newcomers reach for the work order or jump straight to construction. The correct first step is staking, and the order it sits in tells you how every distribution job actually moves.
A job runs as a loop. Staking comes first: a planner walks or models the route and marks where poles, transformers, and equipment go, producing a staking sheet with locations, framing, and a material list. That feeds the work order, the authorization and bill of material that releases the job and the crew. Then construction builds it. When the crew is done, they record what they actually set, the as-built, because field reality never matches the plan exactly. Finally the as-built is captured into GIS, the geographic system of record, so the company map agrees with the poles standing in the ground. The as-built into GIS is the last step, and skipping it leaves the map lying about the system.
The reason the loop matters is that everyone downstream trusts GIS. The next planner stakes the next job off that map, the operator switches off it during an outage, and the engineer pulls loads from it. If the as-built never closes the loop, every later decision is made against a map that does not match the field. That is how a crew gets sent to open a switch that was moved two spans over and never recorded.
The same job is full of field jargon that gates the conversation, so learn the words. A riser is where underground cable transitions up a pole to the overhead line. A getaway is the first cable section leaving a substation or other source. N.O. marks a normally-open switch, the tie point held open until someone needs it. On the equipment side, LTC is a Load Tap Changer, the mechanism that shifts a transformer tap under load to hold voltage. On the buying side, the RFQ (Request for Quote) goes only to suppliers on the AVL (Approved Vendor List), and a big unit usually ships only after it passes a FAT (Factory Acceptance Test) at the plant. Miss one of these and you misread the print or the purchase order.
Reading a single-line diagram is the first step to writing a defensible RFQ. DistroForge report editions apply that same fluency to real bid packages: supplier capacity, lead times, and spec language that survives an OEM’s substitution clause.