Know the Difference

Source: AIA Knowledge Resources Team Summary The meanings of as-built drawings, record drawings and measured drawings can be confusing and misapplied, and the AIA receives many queries about the definitions and use of these terms in contemporary practice. As-Built Drawings: As-built drawings are prepared by the contractor. They show, in red ink, on-site changes to See the full article →

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MODULUS OF ELASTICITY: The ratio of stress to strain or the stiffness of the material of a structural member (resistance to deformation). Essentially, the modulus of elasticity is a more general term regarding the overall stiffness of a member.   E= Modulus of Elasticity. If E increases, then so does the stiffness.    MOMENT OF INERTIA: The See the full article →

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Post Tension Concrete Construction A simple explanation: PRE tensioned- cables are tensioned, and the concrete is cast around it. The tensioning is done BEFORE casting the concrete (PRE = before). POST tensioned- cables are placed inside of ducts or are greased to prevent bonding to the concrete, the concrete is cast around the cables, and See the full article →

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So there is a tricky thing to lumber.  I'm so used to it now I don't even think about it now, I just know the differences.  But recently I saw an article on USA Today about a company suing Home Depot because the 2x4 they sold them was not actually 2 inches by 4 inches.  It See the full article →

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FOUR METHODS OF SPECIFYING PRESCRIPTIVE TYPE 1. PROPRIETARY SPECIFICATIONS CLOSED PROPRIETARY OPEN PROPRIETARY --BASE BID WITH ALTERNATES --LIST OF APPROVED MANUFACTURERS --BASE BID WITH APPROVED EQUAL 2. DESCRIPTIVE SPECIFICATION PERFORMANCE TYPE 3. PERFORMANCE SPECIFICATIONS PRESCRIPTIVE or PERFORMANCE TYPE 4. REFERENCE SPECIFICATION   [source: http://www.areforum.org/forums/member.php?118010-DaveW] See the full article →

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[source: http://www.areforum.org/forums/member.php?118010-DaveW] GENERAL CONDITIONS · General Conditions are an inherent part of the the Contract for Construction. · With the agreement govern the entire contract. · Contain contractual principles applicable to most projects with supplements for a particular project. · Contains broad aspects relating to the roles, rights and duties and responsibilities of the parties See the full article →

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• Design-bid-build – Negotiated team • Construction management – CM as Advisor, CM as Agent – CM as Constructor • Design-build – Design-build as Developer • Bridging   Entities - Principal/Owner,  Agent, 3rd Party/Prime.   Others - Advisor, Subs, Consultants Multiple Prime - owner w/ subs (as primes, each contracted to owner) Many Prime - owner See the full article →

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