NEWS

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  What is the 3 to 1 rule for scaffolding?

  The 3:1 height-to-width ratio safety rule in scaffolding construction is a core safety principle that ensures the stability of freestanding scaffolding and prevents it from tipping over. This rule is widely followed in construction projects both domestically and internationally. 1. Core Definiti...

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  Classification of scaffolding fasteners

  Fasteners are the core components of the coupler-type steel pipe scaffolding (also known as the predecessor of "traditional scaffolding" or "bowl-buckle scaffolding"). Their quality and correct use are directly related to the safety of the entire scaffolding. 1. Classification by function and pu...

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  What are manhole covers called now?

  The same logic also applies to the structure below the manhole cover: The traditional term 'manhole cover' is still widely used and understood. However, in the industry and formal settings, the increasingly accepted modern terms are "manhole covers" or "municipal utility manhole covers". ...

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  What are scaffolders

  History of scaffolding The history of scaffolding can be traced back to ancient Egypt, Greece and Rome, when people used wood and ropes to build simple scaffolding to build large buildings such as pyramids and temples. For example, the construction of the pyramids of Giza in Egypt may have rel...

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  How much to rent scaffolding

  The cost to rent scaffolding depends on several factors, including the type of scaffolding, rental duration, height required, location, and additional accessories. Below are general pricing estimates for scaffolding rentals in the U.S., UK, and other regions: 1. Scaffolding Rental Costs (Appro...

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  Where to buy manhole covers

  Purchasing manhole covers can be done through various channels, depending on your specific needs (such as material, specifications, quantity, usage, etc.). The following are common purchasing methods and precautions: 1. Online procurement platform (1) B2B e-commerce platform Alibaba（1688....

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  How much do manhole covers weigh​?

  The weight of manhole covers varies significantly based on material, size, and load-bearing capacity. Here’s a detailed breakdown: 1. By Material (1) Cast Iron (Most Common) Gray Iron (HT): Light-duty: 50–80 kg (e.g., 600mm diameter, 10–15 ton capacity). Heavy-duty: 90–120 kg (e.g....

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  How heavy are manhole covers​ ?

  The weight of manhole covers varies greatly depending on the material, size, load-bearing level, and purpose. The common types and weight ranges of manhole covers are as follows:   1. Classify by material (1) Cast iron manhole cover (most common) Grey cast iron (HT) manhole cover ...

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  How to choose a high-quality scaffold manufacturer?

  Choosing the right scaffolding manufacturer is crucial in the construction industry, as it relates to engineering safety, construction efficiency, and cost control. The following are essential evaluation points for professional procurement personnel: Core evaluation elements 1. Product syst...

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  Cast Iron vs. Composite Manhole Covers: The Ultimate 2025 Buyer’s Guide

  In urban construction and road safety, choosing the right manhole cover is critical. Cast iron and composite manhole covers are the two main types on the market, each with its pros and cons. This guide provides a comprehensive comparison of load capacity, durability, cost, and safety to help muni...

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  How to Choose Cost-Effective Manhole Covers?

  As urbanization accelerates, manhole covers play a vital role in urban infrastructure, directly impacting road safety and city aesthetics. With 20 years of manufacturing expertise, HeBei Cloud, a leader in the manhole cover industry, provides professional purchasing guidance. 1. Types of Manho...

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  Scaffolding erection specifications

  Here are the main scaffolding erection specifications: Construction Plan A special construction plan for the scaffolding should be prepared based on the project characteristics before the scaffolding erection and demolition operations, and it should be implemented after being approved...

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