The grillage is basically a stack of horizontal steel beams, lined side by side in two or more layers. The grillage rested on a thick, concrete pad poured on the solid bedrock deep underground. This pyramid shape distributed the concentrated weight from the columns over a wide, solid surface....
From today’s perspective, it might be hard to fathom how inaccessible underground culture was in the years before the internet. We’re spoiled for choice; even the most niche subculture is never more than a few clicks away. So it might come as a surprise to learn that ...
Splices are required in underground cable for a variety of reasons. They are required if digging equipment accidently hits a wire, or if the wire connection fails during the original installation. Regardless of why a splice is needed, the repair process is the same, and uses something called a...
On a radial tap where the fuse has blown, crews narrow down the faulted section by opening the cable at locations. Crews start by opening the cable near the center, then they replace the fuse. If the fuse blows, the fault is upstream; if it doesn’t blow, the fault is downstream. Cr...
PVC is common for indoor use, while HDPE may be preferred for outdoor and underground applications due to its strength and flexibility. Q: What maintenance is required for these machines? A: Regular maintenance includes checking for wear and tear, ensuring parts are ...
It's sort of like the digital cable signal carrying 1s and 0s that deliver "Law & Order” episodes. Except in our bodies, electrons aren't flowing along a wire; instead, an electrical charge is jumping from one cell to the next until it reaches its destination. Nearly all of our cells...
West Kowloon Station, the hub forHong Kong High Speed Rail, is situated on the western side of the Kowloon peninsula, opposite Hong Kong Island. Serving as a major transportation hub for passengers traveling to Southern China, the station is renowned for being the largest underground station in...
You're watching it and thinking, “What is he doing?” He's mining or fishing for honey bees. So the alpha male is wedging this big stick into the ground, and eventually, he finds what he's looking for. And then he's able to dig, dig, dig, and put his long arm underground ...
Underground didn't fit with a new corporate structure WGN Chicago-based WGN was a cable TV staple for decades, delivering sitcom reruns and Chicago Cubs games to viewers around the country. In 2009, the station rebranded as WGN America, a general-interest station in the mold of USA or TNT...
The great thing about electricity is that it is so versatile. Almost any kind of fuel can be turned into electricity. Once electricity has been made in a power plant, it is easy to transmit from one place to another either overground or underground along cables. Inside homes, factories, and...