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AAC blocks are eco-friendly and sustainable

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Narayan Saboo, Chairman, Bigbloc Construction, discusses the qualities of AAC blocks and its environmentally friendly properties.

What is the composition of Autoclaved Aerated Concrete (AAC) blocks?
AAC is a lightweight, precast, cellular concrete. It is a green building material composed of fly ash, gypsum, lime, portland cement, water and aluminum powder. AAC blocks are made in rectangular prism shape only.

What is the core functionality of the blocks?
AAC blocks are widely used in the construction of apartments and other types of residential properties, industrial and commercial buildings. Owing to their excellent heat insulation capacity and thermal resistance, AAC blocks find application in interior and exterior construction.

What brings strength and durability to these blocks?
These materials include cement, lime, fly ash, gypsum, aluminum powder and some other additives. The precise combination and proportion of these materials contribute to their overall strength.

How do you ensure quality standards?
We make AAC blocks as per BIS code IS 2185 Part 3, guidelines in IS code to ensure quality standards.

What are the key advantages of using these blocks as building materials?
AAC blocks are eco-friendly and sustainable. They are lightweight, thermally insulated, energy efficient and fire resistant. Their other qualities include acoustics performance, easy workability, design flexibility and faster construction. AAC Blocks are one-third in weight as compared to red bricks thereby reducing the dead load on the building and resulting in huge saving of structural costs. Also, as the size is equivalent to almost nine red bricks, construction is much faster; the labour required is less; joints in the wall are also less thereby resulting in mortar savings, too.

How does it impact the environment?
AAC blocks are eco-friendly and sustainable. They are green lightweight building materials, with less transport cost. This material warms the room during the winter and cools it during the summer, reducing air-conditioning system usage by at least 25 per cent. Non-toxic and pest repellent, they prevent soil erosion and consume less water. Use of red bricks results in an upper layer of soil erosion, which makes the land barren or infertile in the long run.

What innovations can we expect from you?
We are starting with the manufacturing of ALC panels, which is further advancement of technology as ALC panels are a new age building material that is a further advancement of AAC Blocks.
Panels are reinforced with steel and they will make construction much faster, too. Also, we are looking to get many other new age building materials in our partnership with SCG.

Concrete

JSW Cement Begins Production At Nagaur Plant In North India

New greenfield integrated plant raises grinding capacity to 24.1 MTPA

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JSW Cement, part of the JSW Group, has begun production at a greenfield integrated cement plant in Nagaur, Rajasthan, marking its first such facility in north India. The company said this move raises its total cement grinding capacity to 24.1 million tonnes per annum (MTPA) and its clinker manufacturing capacity, including the joint venture, to nine point seven four MTPA. JSW Cement is described as one of India’s leading green cement producers and is positioned to expand its national presence.

The Nagaur integrated plant is equipped with a three point three zero MTPA clinkerisation unit and a two point five zero MTPA cement grinding unit, with an additional one point zero zero MTPA grinding unit under construction. The facility has been positioned to serve the high-growth markets of Rajasthan, Haryana, Punjab and the National Capital Region. The plant is intended to support construction and infrastructure demand across these nearby states.

The Nagaur unit was funded through a strategic mix of equity and long-term debt, with 8,000 mn from the fresh issue proceeds of the initial public offering (IPO) allocated specifically towards part-financing of the unit. Company executives indicated that the project was completed within 21 months and that the expansion advances the company towards its mid-term capacity target of 41.85 MTPA and its long-term vision of 60 MTPA. The commissioning was cited as an example of the company’s project execution capabilities.

The plant has been designed as a model of sustainable manufacturing and includes provisions for the co-processing of alternative fuels in the kiln to reduce fossil fuel use. The site features a seven km long overland belt conveyor to transport limestone from the mines, reducing road transport, and will soon include a 16 megawatt (MW) Waste Heat Recovery System to capture and reuse process heat, significantly lowering its carbon footprint. These measures are intended to reduce the environmental impact of transport and to lower the carbon intensity of cement production.

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Concrete

JSW Cement Starts Production At Nagaur Plant In North India

Greenfield integrated plant expands northern footprint

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JSW Cement, one of India’s green cement producers, has commenced production at a greenfield integrated plant in Nagaur, Rajasthan, marking the company’s first such facility in north India. The commissioning expands the company’s national footprint and takes total cement grinding capacity to 24.1 mn t per annum and total clinker manufacturing capacity, including a joint venture component, to nine point seven four mn t per annum. The move positions the firm to serve high-growth markets across the region. Management said the project is a strategic step towards a pan-India presence.

The Nagaur plant is equipped with a three point three mn t clinkerisation unit and a two point five mn t cement grinding unit, with an additional one mn t cement grinding unit under construction. The facility is strategically located to cater to demand in Rajasthan, Haryana, Punjab and the National Capital Region. An overland belt conveyor will move limestone and reduce reliance on road transport. Project execution was completed within 21 months, underlining the firm’s construction capabilities.

The investment for the Nagaur unit was financed through a mix of equity and long-term debt and the company allocated Rs eight bn from fresh issue proceeds of its IPO towards part financing of the project. The expansion advances progress towards a mid-term capacity target of 41.85 mn t and a long-term vision of reaching 60 mn t capacity. The commencement of operations in the north is expected to support infrastructure growth and provide customers with high-quality, eco-friendly cement while maintaining sustainability credentials.

The plant has sustainability features including provisions for co-processing of alternative fuels in the kiln and a seven km overland belt conveyor to cut the environmental impact of road transport. The facility will include a 16 MW Waste Heat Recovery System to capture and reuse heat from production and reduce carbon emissions. The operation supports the company’s ambition to be among the world’s most sustainable cement producers.

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Concrete

JSW Cement Forays Into North India With Nagaur Plant

Nagaur plant raises grinding capacity to 24.1 million tonnes per annum

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JSW Cement has commenced production at a greenfield integrated cement plant in Nagaur, Rajasthan, marking its first integrated facility in north India and extending the JSW Group’s national presence. The Nagaur unit will serve high-growth markets in Rajasthan, Haryana, Punjab and the National Capital Region. The company presented the commissioning as a key step in its pan-India expansion.

The commencement increases the company’s total cement grinding capacity to 24.1 million tonnes per annum (mn tpa) and brings total clinker manufacturing capacity, including the capacity at its joint venture JSW Cement FZC, to nine point seven four million tonnes per annum (mn tpa). The firm described these additions as strengthening its supply chain and regional reach. The Nagaur site is positioned strategically to reduce logistics for northern markets.

The Nagaur integrated plant comprises a three point three mn tpa clinkerisation unit and a two point five mn tpa cement grinding unit, with an additional one mn tpa grinding unit under construction. The facility was completed within 21 months, demonstrating the company’s project execution capabilities. Management indicated the combined configuration will improve service levels and product availability across target states.

The plant was funded through a mix of equity and long-term debt and the company allocated eight billion (bn) Rs from the fresh issue proceeds of its initial public offering to part-finance the unit. The financing was presented as part of a broader capital plan to support capacity additions and operational enhancements. The firm said the investment aligns with its mid-term growth objectives.

The site is designed with sustainability measures including provision for co-processing alternative fuels, a seven kilometre overland belt conveyor to move limestone from nearby mines and a forthcoming 16 megawatt (MW) Waste Heat Recovery System to recycle process heat and lower emissions. The company reported the expansion brings it closer to its mid-term capacity target of 41.85 mn tpa and to a longer term ambition of 60 mn tpa.

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