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2. Trench drain - Wikipedia

   en.wikipedia.org/wiki/Trench_drain

   Concrete will need to be poured to surround the trench drain so that the load can be transferred from the channel and grate to the surrounding areas. Pre-cast trench drains generally come in 4-inch (100 mm) widths but can range anywhere from a 1.75-inch (44 mm) slot to 2-inch (51 mm) wide channels with grates, and up to any size imaginable ...

3. Yerba Buena Tunnel - Wikipedia

   en.wikipedia.org/wiki/Yerba_Buena_Tunnel

   After the two halves were fastened together, a steel form was used to close the 1-foot-6-inch-wide (0.46 m) gap between halves, and concrete was poured in the gap. [26] The upper deck rests on 12-inch-wide (30 cm) shoulders built into the tunnel wall, padded by 1 ⁄ 2-inch-thick (1.3 cm) Masonite. [14]

4. Nominal Pipe Size - Wikipedia

   en.wikipedia.org/wiki/Nominal_Pipe_Size

   Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

5. Baker Street robbery - Wikipedia

   en.wikipedia.org/wiki/Baker_Street_robbery

   A 12-inch-wide (30 cm) hole was blasted through the floor and into the vault. [17] [28] The tunnel was cleared of the debris created, and the hole was widened with a hammer and chisel. [29] By the time they had finished, the exit of the tunnel measured 12 by 14 inches (30 by 36 cm). [3]

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Storm drain - Wikipedia

   en.wikipedia.org/wiki/Storm_drain

   Storm drain grate on a street in Warsaw, Poland Storm drain with its pipe visible beneath it due to construction work. A storm drain, storm sewer (United Kingdom, U.S. and Canada), highway drain, [1] surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved ...