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  2. Setback (land use) - Wikipedia

    en.wikipedia.org/wiki/Setback_(land_use)

    Mailboxes, on the other hand, often have a maximum setback instead of a minimum one. A postal administration or postmaster may mandate that if a mailbox on a street is too far from the curb for the letter carrier to insert mail , without having to get out of the vehicle , the mail may not be delivered to that address at all until the situation ...

  3. Setback (architecture) - Wikipedia

    en.wikipedia.org/wiki/Setback_(architecture)

    Step-backs lower the building's center of mass, making it more stable. A setback as a minimum one-bay indent across all stories is called a recessed bay or recess and is the more common exterior form of an alcove. Upper stories forming a step-back may form a belvedere – and in residential use are considered the penthouse.

  4. Letter box - Wikipedia

    en.wikipedia.org/wiki/Letter_box

    The signal device must rise above the mailbox and be visible at a distance, and must not obscure the mailbox owner's name or impede vehicular or pedestrian traffic. [6] Canada Post requires all rural mailboxes to have a minimum interior dimensions of 45 cm in length by 17.5 cm in width by 17.5 cm in height for a rectangular mailbox, and 45 cm ...

  5. Concrete block - Wikipedia

    en.wikipedia.org/wiki/Concrete_block

    A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, or concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.

  6. Construction surveying - Wikipedia

    en.wikipedia.org/wiki/Construction_surveying

    This method uses the plan building grids as their own ordinates. A point of beginning is established at the southwest cross grid, e.g. [N1000.000,E3000.000]. The grids are added together heading north and east to make each line its own ordinate.

  7. Concrete barriers won't curb reckless driving. It tops list ...

    www.aol.com/concrete-barriers-wont-curb-reckless...

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  8. Building code - Wikipedia

    en.wikipedia.org/wiki/Building_code

    A building code (also building control or building regulations) is a set of rules that specify the standards for construction objects such as buildings and non-building structures. Buildings must conform to the code to obtain planning permission , usually from a local council.

  9. Centralized mail delivery - Wikipedia

    en.wikipedia.org/wiki/Centralized_mail_delivery

    New USPS regulations related to wall-mounted, clustered type of mailboxes were introduced in 2004. These were the first changes to “apartment style” mailboxes in more than 30 years. This new regulation, STD-4C, replaces all previous regulations for mailboxes such as these, which were previously approved under STD-4B and STD-4B+. [3]