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Security bollard in front of a shop doorway, placed to prevent ram-raids Concrete planters provide protection similar to that of bollards. Washington, DC. Bollards are used to protect buildings and people in public spaces from car ramming attacks [21] and accidental collisions.
Concrete planters provide protection similar to that of bollards. Washington, DC Concrete blocks placed to protect the Terminal 3 at Manchester Airport from hostile vehicle attack; these have now been replaced by more attractive bollards Security measures taken to protect the Houses of Parliament in London, UK. This hostile vehicle mitigation ...
Cement-mortar lined ductile iron pipe is a ductile iron pipe with cement lining on the inside surface, and is commonly used for water distribution. Cement-mortar lined ductile iron pipe is governed by standards set forth by DIPRA ( Ductile Iron Pipe Research Association ), and was first used in 1922 in Charleston, South Carolina .
However, an advantage of steel siding can be its dent-resistance, which is excellent for regions with severe storms—especially if the area is prone to hail. Embossed metal siding on 1890s building. The first architectural application of aluminium was the mounting of a small grounding cap on the Washington Monument in 1884.
The 16 Divisions of construction, as defined by the Construction Specifications Institute (CSI)'s MasterFormat, is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the U.S. and Canada.
In the recent past, HSS was commonly available in mild steel, such as A500 grade B. Today, HSS is commonly available in mild steel, A500 grade C. Other steel grades available for HSS are A847 (weathering steel), A1065 (large sections up to 50 inch sq made with SAW process), and recently approved A1085 (higher strength, tighter tolerances than ...
Used natural gas line pipe is also used as casing on many projects because it is often reclaimed in very good condition and can offer a significant cost savings when compared to new steel pipe. Used pipe is most likely to not have any testing data associated with it and is generally used when the only required specification is a given diameter ...
It also fabricates steel pipe nipples and resells imported brass and plastic plumbing valves, malleable iron fittings, faucets, and plumbing specialty products to plumbing wholesalers and building materials retailers, as well as to distributors of manufactured housing and recreational vehicle industries. [4]
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