enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Firewall (construction) - Wikipedia

    en.wikipedia.org/wiki/Firewall_(construction)

    A fire barrier wall, or a fire partition, is a fire-rated wall assembly that are not structurally self-sufficient. [ 2 ] Fire barrier walls are typically continuous from an exterior wall to an exterior wall, or from a floor below to a floor or roof above, or from one fire barrier wall to another fire barrier wall, having a fire resistance ...

  3. Defensive wall - Wikipedia

    en.wikipedia.org/wiki/Defensive_wall

    According to Philo the width of a wall had to be 4.5 metres (15 ft) thick to be able to withstand ancient (non-gunpowder) siege engines. [16] European walls of the 1200s and 1300s could reach the Roman equivalents but rarely exceeded them in length, width, and height, remaining around 2 metres (6 ft 7 in) thick.

  4. Defensible space (fire control) - Wikipedia

    en.wikipedia.org/wiki/Defensible_space_(fire...

    A guideline used in this zone can be "low, lean and green." Trees should be kept to a minimum of 10 feet (3 m) from other trees to reduce risk of fire spread between trees. Wood piles should be kept in zone 2. No branches should be touching or hanging over the roof of the house or within 10 feet of the structure to help keep the structure safe.

  5. York city walls - Wikipedia

    en.wikipedia.org/wiki/York_city_walls

    Length of each side varies from 7.5 feet (2.3 m) to 11 feet (3.4 m) on the inner face. [9] The tower projects beyond the curtain wall to a distance of 36.75 feet (11.20 m). [ 9 ] The foundations are concrete, atop which the tower extends having a rubble and mortar core between ashlar faced courses of small magnesian limestone blocks. [ 9 ]

  6. Ha-ha - Wikipedia

    en.wikipedia.org/wiki/Ha-ha

    Comparison of a ha-ha (top) and a regular wall (bottom). Both walls prevent access, but one does not block the view looking outward. A ha-ha (French: hâ-hâ [a a] ⓘ or saut de loup [so dÉ™ lu] ⓘ), also known as a sunk fence, blind fence, ditch and fence, deer wall, or foss, is a recessed landscape design element that creates a vertical barrier (particularly on one side) while preserving ...

  7. Fire cut - Wikipedia

    en.wikipedia.org/wiki/Fire_cut

    In the construction of masonry buildings, a fire cut [1] or fireman's cut is a diagonal chamfer of the end of a joist or beam where it enters a masonry wall. If the joist burns through somewhere along its length, damage to the wall is prevented as the fire cut allows the joist to fail and still leave the masonry wall standing.

  8. Fire-resistance rating - Wikipedia

    en.wikipedia.org/wiki/Fire-resistance_rating

    A fire-resistance rating typically means the duration for which a passive fire protection system can withstand a standard fire resistance test. This can be quantified simply as a measure of time, or it may entail other criteria, involving evidence of functionality or fitness for purpose.

  9. Walls of Dubrovnik - Wikipedia

    en.wikipedia.org/wiki/Walls_of_Dubrovnik

    The main wall on the sea-facing side of Dubrovnik stretches from Fort Bokar in the west to St. John Fortress in the south, and to the Revelin Fortress on the land-side. These walls are 1.5 to 5 meters (5–16 feet) thick, depending on their location and its strategic importance. [6]