Vacuum Breakers: Understanding how they protect our water
WEBJun 10, 2016 · PVBs, therefore, are designed to operate under pressure for long periods of time without becoming inoperative. The internal check valves are spring-loaded so that any tendency for the valve to stick closed due to long periods of applied pressure and consequent fouling will be counteracted.
ABC: 2024 Construction Workforce Shortage Tops Half a Million
WEBJan 31, 2024 · WASHINGTON, DC — The construction industry will need to attract an estimated 501,000 additional workers on top of the normal pace of hiring in 2024 to meet the demand for labor, according to a proprietary model developed by Associated Builders and Contractors.
Best Practices When Using Acid-Based Drain Cleaners
WEBFeb 19, 2024 · 4. Tree-root intrusion or other mechanical blockages. In situations where tree roots infiltrate plumbing lines or other mechanical blockages, specialty drain cleaners can help dissolve or break down the obstructions, restoring …
About Us - Contractor
WEBCONTRACTOR for Subscribers: Ensuring that mechanical contracting professionals responsible for plumbing, heating, specialty piping, and fire protection systems are up to date on the latest products, technologies, and strategies that are driving safer, more efficient mechanical systems.
How to Navigate a Workers' Compensation Audit | Contractor
WEBAug 2, 2024 · Founder and CEO of LEK Management Inc., Lynn Karam has two decades of experience in finance, operations, and strategic planning. Karam is an Enrolled Agent authorized by the United States Department of the Treasury to represent clients who are undergoing an audit and to negotiate with the IRS on her clients’ behalf.
Best Practices for Servicing CPVC Pipes and Fittings
WEBJan 31, 2024 · Minimizing the Risk of Freezing. Experienced service plumbers know that all piping materials can experience failure due to freezing. But there is a common misconception about how freezing affects plumbing materials.
Common Brazing Mistakes and How to Avoid Them | Contractor
WEBSep 19, 2024 · Clearance is the amount of space between two base metals prior to brazing; it determines the flow of the alloy and strength of the joint. The recommended clearance for a brazed joint is .002 - .005”.
Home | Contractor
WEB6 days ago · CONTRACTOR provides news, insights, and how-to content to professionals responsible for plumbing, heating, specialty piping and fire protection systems.
AI is Transforming the Construction Industry | Contractor
WEBJun 17, 2022 · By Melanie Johnson. Planning, building, operation, and maintenance are all changing the construction business. Artificial Intelligence is the backbone for establishing true digital initiatives in construction engineering management (CEM) to improve construction project performance.
Record Retention 101 for Contractors | Contractor
WEBMar 18, 2020 · By Audrey K. Kwak. There is no question that construction is a uniquely document-intensive industry. On every project, countless, lengthy, records are generated: contracts, specifications, daily reports, meeting minutes, schedules, requests for information, change orders—not to mention emails, text messages and so on.