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  2. Door breaching - Wikipedia

    en.wikipedia.org/wiki/Door_breaching

    Door breaching is a process used by military, police, or emergency services to force open closed or locked doors. A wide range of methods are available depending on the door's opening direction (inward or outward), construction materials, etc., and one or more of these methods may be used in any given situation.

  3. Tamper (tool) - Wikipedia

    en.wikipedia.org/wiki/Tamper_(tool)

    Within the construction field, different types of tampers can be used for different purposes, spaces, and materials. A jumping jack, or rammer, is a relatively small, hand-operated compactor. [1] It uses vibratory force, which is when mechanical force is used in addition to the machine's weight to compact the materials. The jumping jack is ...

  4. List of construction trades - Wikipedia

    en.wikipedia.org/wiki/List_of_construction_trades

    The following is a list of trades in construction. Bell hanger installs mechanical and electrical bell systems; Boilermaker, works in nuclear, oil and gas industry, shipyards, refineries, and chemical plants, on boilers, pressure vessels, and similar equipment. Carpenter, a craftsperson who performs carpentry, building mainly with wood. [1]

  5. Controlled Impact Rescue Tool - Wikipedia

    en.wikipedia.org/wiki/Controlled_Impact_Rescue_Tool

    Controlled Impact Rescue Tool, or CIRT, is a concrete breaching tool produced by Raytheon, that is capable of providing Urban Search & Rescue (USAR) teams with the ability to penetrate a reinforced concrete wall up to four times faster than traditional methods.

  6. 50 Divisions - Wikipedia

    en.wikipedia.org/wiki/50_Divisions

    "50 Divisions" is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the United States and Canada. [5] Standardizing the presentation of such information improves communication among all parties.

  7. Penetrant (mechanical, electrical, or structural) - Wikipedia

    en.wikipedia.org/wiki/Penetrant_(mechanical...

    Penetrants, or penetrating items, are the mechanical, electrical or structural items that pass through an opening in a wall or floor, such as pipes, electrical conduits, ducting, electrical cables and cable trays, or structural steel beams and columns. When these items pierce a wall or floor assembly, they create a space between the penetrant ...

  8. Construction site safety - Wikipedia

    en.wikipedia.org/wiki/Construction_site_safety

    Construction site safety is an aspect of construction-related activities concerned with protecting construction site workers and others from death, injury, disease or other health-related risks. Construction is an often hazardous, predominantly land-based activity where site workers may be exposed to various risks, some of which remain ...

  9. Powder-actuated tool - Wikipedia

    en.wikipedia.org/wiki/Powder-actuated_tool

    Powder-actuated tools come in high-velocity and low-velocity types. In high-velocity tools, the propellant charge acts directly on the fastener in a process similar to a firearm. Low-velocity tools introduce a piston into the chamber. The propellant acts on the piston, which then drives the fastener into the substrate.