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In the United States construction industry, contract agreements are usually written to allow the owner to withhold (retain) the final payment to the general contractor as "retainage". [3] The contractor is bound by the contract to complete a list of contract items, called a punch list, in order to receive final payment from the owner.
A drift "punch" is misleadingly named; it is not used as a punch in the traditional sense of the term. A drift punch, or drift pin, or lineup punch, is used as an aid in aligning bolt or rivet holes prior to inserting a fastener. A drift punch is constructed as a tapered rod, with the hammer acting on the large end of the taper.
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]
"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.
A split-50 M-type 66 block with bridging clips attached. A 66 block is a type of punch-down block used to connect sets of wires in a telephone system. They have been manufactured in four common configurations, A, B, E and M. [a] A and B styles have the clip rows on 0.25" centers while E and M have the clip rows on 0.20" centers.
The compound tool differs from progressive and stage tools by the arrangement of the punch and die. It is an inverted tool where blanking and piercing takes place in a single stage and also the blanking punch will act as the piercing die. That means punch will be to the bottom side of the tool and piercing punches to top side of the tool.
Category for the construction industry, the commercial activity of construction (companies, industry people and organisations). Subcategories This category has the following 11 subcategories, out of 11 total.
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