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2. Glossary of construction cost estimating - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_construction...

   A Allocation of costs is the transfer of costs from one cost item to one or more other cost items. Allowance - a value in an estimate to cover the cost of known but not yet fully defined work. As-sold estimate - the estimate which matches the agreed items and price for the project scope. B Basis of estimate (BOE) - a document which describes the scope basis, pricing basis, methods ...

3. Minimum railway curve radius - Wikipedia

   en.wikipedia.org/wiki/Minimum_railway_curve_radius

   This is particularly true of the European buffer and chain couplers, where the buffers extend the length of the rail car body. For a line with a maximum speed of 60 km/h (37 mph), buffer-and-chain couplers increase the minimum radius to around 150 m (164 yd; 492 ft).

4. Chain (unit) - Wikipedia

   en.wikipedia.org/wiki/Chain_(unit)

   One link is a hundredth part of a chain, which is 7.92 inches (20.1168 cm). [7] The surveyor's chain first appears in an illustration in a Dutch map of 1607, [8] and in an English book for surveyors of 1610. [9] In 1593 the English mile was redefined by a statute of Queen Elizabeth I as 5,280 feet, to tie in with agricultural practice.

5. Split-rail fence - Wikipedia

   en.wikipedia.org/wiki/Split-rail_fence

   Simple split-rail fence Log fence with double posts (photo taken in 1938). A split-rail fence, log fence, or buck-and-rail fence (also historically known as a Virginia, zigzag, worm, snake or snake-rail fence due to its meandering layout) is a type of fence constructed in the United States and Canada, and is made out of timber logs, usually split lengthwise into rails and typically used for ...

6. Link (unit) - Wikipedia

   en.wikipedia.org/wiki/Link_(unit)

   A Gunter's chain showing the individual links. The link (usually abbreviated as "l.", "li." or "lnk."), sometimes called a Gunter’s link, is a unit of length formerly used in many English-speaking countries. In US customary units modern definition, the link is exactly 66 ⁄ 100 of a US survey foot, [1] or exactly 7.92 inches or 20.1168 cm.

7. Cost to make railroad crossings safer is skyrocketing. It ...

   www.aol.com/cost-railroad-crossings-safer...

   The costs of installing lights and gates, he said, has gotten out of hand. “The railroads increased the cost to upgrade a crossing to $150,000, then $200,000, then $250,000, then to $300,000 and ...

8. Cable railing - Wikipedia

   en.wikipedia.org/wiki/Cable_railing

   The most common cable construction is 1x19 type construction strand, which is 19 cables twisted in a single bundle, whereas for example, 7x7 would be 7 cable bundles of 7 cables twisted. This type of stainless strand is designed to have limited stretch, as compared to galvanized, [6] making it a good long term cable railing solution. It has ...

9. AOL Mail

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   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!