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Prefab LGSF Method

Construction

PREFAB with LGSF PREMIUM QUALITY STEEL CONSTRUCTION

The process of constructing a home using the LGSF (Light Gauge Steel Frame) construction method involves several steps. Here is a detailed explanation of the process:

"Premium quality steel construction" emphasizes the use of high-quality steel materials in the construction process. This ensures that the building's structure is robust, long-lasting, and able to withstand various environmental conditions.

  • 1. Design and Planning

    - The first step is to design the home according to the specific requirements.
    - The design includes the layout, dimensions, and architectural features of the home.
    - The design is then converted into detailed construction drawings and plans.

  • 2. Material Procurement

    - Once the design is finalized, the required materials for the LGSF construction are procured.
    - This includes galvanized steel frames, wall panels, roofing frames, floor slabs, and other necessary components. - After finalizing the design, the necessary materials for LGSF construction are procured. This includes sourcing galvanized steel frames, wall panels, roofing frames, floor slabs, and other essential components from reliable suppliers.

  • 3. Fabrication of Steel Frames and Panels

    - The galvanized steel frames are fabricated off-site in a controlled manufacturing environment.
    - The steel frames are made by cold-forming the steel sheets into the desired shapes and sizes.
    - Holes for electrical purposes and attaching fasteners are pre-made in the steel frames.
    - Wall panels and other components are also fabricated using the same cold-forming process.

  • 4. Transportation to the Construction Site

    - Once the steel frames and panels are fabricated, they are transported to the construction site.
    - The transportation is usually done using trucks or other suitable means.

  • 5. Assembly and Installation

    - At the construction site, the steel frames and panels are assembled and installed according to the construction drawings and plans.
    - The frames are erected and secured in place, forming the load-bearing structure of the home.
    - Wall panels, roofing frames, walls between rooms, and floor slabs are installed to complete the structure.

  • 6. Finishing and Interior Work

    - After the basic structure is in place, the finishing work begins.
    - This includes installing insulation, electrical and plumbing systems, windows, doors, and other fixtures.
    - Interior work such as flooring, painting, and cabinetry is also carried out.

Advantages of LGSF Construction Method

Light Gauge Steel Framing (LGSF) construction method offers

At Sohum, LGSF structures are known for their strength and durability. Steel framing can withstand extreme weather conditions, seismic activities, and pests better than traditional construction materials like wood.

  • Longevity: LGSF structures are durable and have a long lifespan
  • Strength: The galvanized steel frames provide excellent strength and structural integrity
  • Design Flexibility: LGSF construction allows for versatile architectural designs, including custom openings, curved walls, and external façade treatments.
  • Time-Saving: The majority of the components are fabricated off-site, allowing for simultaneous assembly and faster.
  • Cost-Effective: LGSF construction reduces material wastage and requires fewer skilled personnel for assembly, resulting in cost savings.
  • Aesthetically Appealing: LGSF structures offer seamless finishes and can be designed to be aesthetically pleasing.
  • Environmental Benefits: Steel is recyclable, and LGSF construction produces less waste compared to traditional construction methods.

At Sohum, Overall, the advantages of LGSF construction make it a popular choice for residential, commercial, and industrial building projects seeking efficiency, durability, and design flexibility.

Construction

What are the main differences in Precast VS LGSF?

Precast construction and LGSF (Light Gauge Steel Frame) construction are two popular methods used in the construction industry. While both methods offer advantages and have their own unique characteristics, there are some key differences between them. Let's compare precast and LGSF construction in terms of their materials, construction process, benefits, and limitations.

Materials

Precast Construction: Precast construction involves the use of precast concrete elements, which are manufactured off-site and transported to the construction site for assembly.

LGSF Construction: LGSF construction uses lightweight steel frames made of cold-formed steel sections as the primary structural component. These frames are manufactured off-site and then assembled on-site.

Construction

Construction Process

Precast Construction: In precast construction, the concrete elements are manufactured in a controlled factory environment. These elements are then transported to the construction site and assembled using cranes or other lifting equipment.

LGSF Construction: LGSF construction involves the fabrication of steel frames off-site. These frames are then transported to the construction site and assembled using screws or other fastening methods.

Benefits

  • Precast Construction
    • High-quality and consistent finish
    • Faster construction time due to simultaneous on-site and off-site work
    • Durable and resistant to fire, weather, and pests
    • Reduced labor requirements on-site
  • LGSF Construction
    • Rapid construction times due to pre-engineered steel components
    • Design flexibility, allowing for versatile and customizable architectural styles
    • Strength and durability, with the ability to withstand extreme weather conditions and seismic forces
    • Sustainable and eco-friendly features, such as the use of recyclable materials and the potential for energy-efficient designs

Limitations

  • Precast Construction
    • Limited design flexibility compared to LGSF construction
    • Transportation and logistics challenges due to the size and weight of precast elements
    • Higher initial costs for moulds and equipment
  • LGSF Construction
    • Limited height capabilities compared to precast construction
    • Potential for corrosion if not properly protected
    • Requires skilled labor for assembly and installation

In conclusion, both precast and LGSF construction methods have their own advantages and limitations. Precast construction offers high-quality finishes and faster construction times, while LGSF construction provides design flexibility and rapid construction due to pre-engineered steel components. The choice between the two methods depends on factors such as project requirements, budget, and design preferences.

Summary of Comparison Amongst the Construction Types

Building Structure Conventional Style Precast (Cement walls) LGSF (Steel frames)
Key Materials Used Cement, aggregate, sand, hollow blocks, bricks, and steel Cement, aggregate, steel Light Gauge Steel Frames, cement fiber boards, rock wool
Building Team Skills Relies on skilled artisans and high manual labor Utilizes molds and factory-made walls and columns, requiring skilled engineers Factory-made frames and walls
Speed of Construction Construction process is relatively slow, taking 8-9 months Quick construction process, typically completed in 3-4 months Moderate construction speed, typically completed in 6 months
Finish of the Structure Non-standard finish that depends on the skill of the contractor and laborers Achieves a high-quality finish without the need for plastering Achieves a good finish but requires plastering
Flexibility Limited flexibility once constructed, making changes difficult Flexibility to incorporate changes during the design stage, enabling additional annexes Flexibility in design and the ability to extend the frame structure
Quality & Strength Suitable for intricate traditional builds and both low and high-rise structures Strong and suitable for low and high-rise structures, requiring space for a crane during construction Suitable for low-rise structures of up to 4 floors
Build Examples Commonly used for building villas and apartments Suitable for row houses, houses, and apartments Ideal for upper floors, villas, bungalows, hybrid structures, and warehouses
Energy Efficiency Lower energy efficiency compared to other options High energy efficiency due to precise manufacturing and insulation capabilities High energy efficiency due to the use of lightweight, thermally efficient materials
Fire, Storm & Earthquake Resistance Provides high resistance to fire, storms, and earthquakes Offers high resistance to fire, storms, and earthquakes Demonstrates high resistance to fire, storms, and earthquakes
Cost of Construction Typically has a lower cost of construction, averaging Rs 1500/sqft Moderately priced construction option, averaging Rs 1600/sqft Relatively higher cost of construction, averaging Rs 1800/sqft
Salvage & Sustainability Lower salvage and sustainability potential Moderate salvage and sustainability potential Higher salvage and sustainability potential
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