Scaffolding is an important element in constructing buildings, where a scaffolding system provides temporary support and access. The cup-lock scaffolding system is powerful, has strong adaptability and load-bearing capacity, and the use of standardized dimensional measurements can ensure that the scaffolding system is quickly and stably installed. Then, we will be examining the standard dimensional measurements for cuplock scaffolding, including vertical standards, ledgers, transoms, and other key elements. This should aid you in determining the best system for your construction application.

What is Cuplock Scaffolding

Cup-lock scaffolding is a modular scaffolding approach that is characterized by speed, strength, and adaptability in construction applications. This form of scaffolding is frequently applied to a variety of support structures, access platforms, and to support high-rise buildings, bridges, and industrial usage.

Features of Cup-lock Scaffolding

• Unique Cup-lock Connector Method: Horizontal beams (rails) are connected to vertical columns (pillars) through the utilization of rotating cups and wedges (or blades). Cups are welded at standard intervals (typically 500 mm or 600 mm), and structure can be constructed internally (using turnbuckles and cables) and externally. The frame system of cups and blades does not use nuts and bolts, making assembly straightforward.

• Designed for Heavy Loads: The cup-lock connector method is suitable for taking greater loads than most standard scaffolding. The system can be used as a formwork support for bridges and larger projects.

• Quick Assembly and Dismantle: The cup-lock connector method can be used to assemble structures with minimal loose parts, allowing for a quicker assembly process. Compared to the tube-lock scaffold, there are fewer parts, allowing for faster assembly.

• Modular/Adjustable: All modular components are pre-fabricated to maintain constancy and safety. There are also adjustable base jacks should you need to easily level your scaffold on uneven ground.

• Strong/Safe Design: Using diagonal brace(s) provides for additional strength and stability. Conforms with international safety provisions (BS, EN, OSHA).

Elements of Cuplock Scaffolding

• Vertical Standards (uprights with welded cups). 
• Horizontal Ledgers (the blade ends go into the cups). 
• Transoms (for the support of decking). 
• Diagonal Braces (to stabilize your scaffolding laterally). 
• Base plates and adjustable jacks (to adjust the height). 
• Scaffold boards (or steel decks) (the working platforms). 

Cuplock Scaffolding Standard Sizes

• Vertical Standards- Length (Height):   - 0.5m, 1.0m, 1.5m, 2.0m, 2.5m, 3.0m (most normal).

Some manufacturers make to order' longer lengths (custom lengths). (0.75m, 1.8m). 

• Diameter:  Standard is most commonly 48.3mm (normal, in compliance with BS/EN). 
• Wall thicknesses:  Either normal 3.2mm, 3.5mm, or heavy duty 4.0mm. 
• Cup spacing:  either 500mm or 600mm (this is fixed to provide a ledger connection). 

• Horizontal Ledgers

• Normal Lengths:   - 0.5m, 1.0m, 1.5m, 2.0m, 2.5m, 3.0m (normal). 

There can be longer ledgers (up to 4.0m), but then a prop will have to fit in the middle. 

• Diameter:  48.3mm (same as the standards). 
•  End Blades:  Hook into cups on the verticals, making it easy to secure the ledger in place. 

• Transoms (Bearers)

• Lengths: 0.6m, 0.9m, 1.2m, 1.5m,1.8m, (2.4m is the normal used for support of scaffold boards). 
• Bears or Main Transoms: Placed directly under the working scaffold boards. 
• Intermediate Transom:- Adding an Intermediate Transom provides additional support. 

• Diagonal Braces

• Lengths: Can vary depending on different bay sizes (1.8 m- 2.4 m- 3.0 m). 
• Function: Provides lateral stability to the scaffold structure. 

• Base Jacks and Sole Plates

• Base Jacks (Adjustable): Height adjustment (300 mm- 600 mm entire range). 

Used where ground areas are uneven to level the scaffold. 

• Sole Plates: 150mm × 150mm or 200mm × 200mm (steel or pressed steel).  

• Scaffold Boards (Platform Decks)

• Width: 225mm, 450mm, or 600mm.      
• Length: 1.8m, 2.4m, 3.0m, 3.6m.  
• Material:  Solid timber (traditional) or steel/aluminum (for durability).  

Standard Bay Sizes (Dimensions of Scaffold Frames)

Highlights and Specifications for Cuplock Scaffolding

• Standards: Usually 48.3mm diameter with 500mm or 600mm cups spacing.
•  Ledgers & Transoms: Provided in .5m -3.m increments.
• Bay sizes: Generally 1.2m-2.0m width with 1.8m-3.0m lengths.
•  Load capacity: Ranges from 1.5 kN/m² (light) to 4.5 kN/m² (heavy).

Conclusion  

The standardized size of the cup-lock scaffolding ensures its position in the construction project, and it is a very cost-effective choice. The cup-lock scaffolding is also favored by many high-rise buildings, bridges and other industrial construction projects that need to be reviewed because of its powerful functions.

Are you looking for Cuplock Scaffolding for your completed project? Talk to AJ Building to retrieve the appropriate format and sizes!

FAQ

What are the sizes of Cuplock standard vertical poles? (Standard Sizes)

We provide the following conventional standard sizes of vertical poles (Vertical Standards):

0.5 m

1.0 m

1.5 m

2.0 m

2.5 m

3.0 m

We support customized lengths, such as 1.8 m, 2.2 m, 2.7 m, etc., which can be customized according to project requirements.

What are the pipe diameter and wall thickness of standard vertical poles?

The specifications we commonly use are:

Pipe diameter (Outer Diameter): 48.3 mm

Wall thickness (Wall Thickness): 3.2 mm / 3.0 mm / 2.75 mm (optional)

If there are special strength requirements, Q345 reinforced pipes can also be selected.

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