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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.
J-class cutter-rigged sail plan with Bermuda mainsail c. 1930 Bermuda rig , Bermudian rig , or Marconi rig is a type of sailing rig that uses a triangular sail set abaft (behind) the mast. It is the typical configuration for most modern sailboats.
A mast is a guyed mast, a thin structure without the shear strength to stand unsupported, that uses attached guy lines for stability. They may be mounted on the ground or on top of buildings. Typical masts are of steel lattice or tubular steel construction. Masts tend to be cheaper to build but require an extended area surrounding them to ...
Abbreviations and acronyms for use on drawings and related documents Y14.4M–1989: Pictorial drawing Y14.41–2003: Digital product definition data practices Y14.42–2002: Digital approval systems Y14.5–2018: Dimensioning and tolerancing Y14.5.1M–1994: Mathematical definition of dimensioning and tolerancing principles Y14.6–2001
A site plan or a plot plan is a type of drawing used by architects, landscape architects, urban planners, and engineers which shows existing and proposed conditions for a given area, typically a parcel of land which is to be modified. Sites plan typically show buildings, roads, sidewalks and paths/trails, parking, drainage facilities, sanitary ...
OCM – offshore construction manager; OCS – offshore construction supervisor; OCTG – oil country tubular goods (oil well casing, tubing, and drill pipe) [23] OD – outer diameter (of a tubular component such as casing [citation needed]) ODT – oil down to; OFE – oil field equipment; OFST – offset vertical seismic profile
Iron ban around the mast to hold the heel of the sprit. [2] M.S. (or MS) An abbreviation for motor ship, used before a ship's name. M.V. (or MV) An abbreviation for motor vessel, used before a ship's name. M.Y. (or MY) An abbreviation for motor yacht, used before a yacht's name.
When the mast is rotated, the connected boom is swung from to the side. The control of the lifting location is done by the manipulation of the top pulley system and the rotation of the mast at the base. The load is lifted by another pulley system connected to the top of the boom. [2] In a medium load lifting, another construction method can be ...