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Ore beneficiation equipment, sand making equipment, crushing equipment and powder grinding equipment, which are widely used in various industries such as metallurgy, mine, chemistry, building material, coal, refractory and ceramics.

andhra pradesh pushes crushed rock as sand

Visakhapatnam: The state government has decided to encourage the use of crushed rock as sand, by way of an alternative to river sand. The construction sector across the state has been facing its worst ever sand scarcity due to supply and cost issues. This has transpired after the state government, responding to widespread criticism of sand mining being run in an unorganised manner, handed over sand quarrying to women Self Help Groups who have no knowledge of mining.

Manufactured sand is the perfect substitute to river sand and is manufactured by crushing rocks using the latest technology of crushing. But builders are skeptical about its continued supply as there are not enough manufacturing units. There are two currently operational in Vizag, which get minimum loads, while a third closed down. Builders have also often complained about its quality.

In most cases, we get 20 per cent dust more than sand. If quality manufactured sand is available we are all ready to take it for our construction activity, said a senior member of the Confederation of Real Estate Developers Association of India.

In the earlier system, sand reaches were auctioned by the State Mines Department and private miners used to sell the raw material. Now, the state government has decided to implement the new sand policy, offering incentives, such as a power subsidy and exemption from VAT, to producers.

According to government estimates, the Indian Navy has an urgent requirement of 2.5 lakh cubic m of sand for the construction of its Naval Alternative Operations Base (NAOB). The Polavaram project needs 2.3 lakh cubic m and private builders need around 2.19 lakh cubic m of sand immediately.

ap govt's move to promote robo sand hailed

The Cabinet took the decision in this regard recently. It will also help get rid of mountains of granite scrap alongside the granite quarries and factories in Prakasam, Anantapur, Srikakulam, Chittoor and Kurnool districts. These heaps of granite scrap are described as manmade mountains.

These small stones are sent into a jaw crusher to grind them into less than 0 to 5mm sand particles. The manufactured sand is proved to be as good as natural or river sand for use as construction material.

The other by-product, stone powder of 2mm in particle size is useful in cement brick manufacturing and plastering. Robo sand is in use in India for long and several companies are working in Andhra Pradesh for long.

The final product, manufactured sand, is available to the consumer at around Rs 600 to 800 per metric ton in the State, whereas the government has fixed Rs 375 per ton for the supply of natural sand as per the new policy.

For the last few weeks, the government has tough time in supplying the sand to cater to the needs of the people and is being criticised by various sections of the society for its failure ensure adequate quantities of sand.

The government announced to offer loans up to Rs 50 lakhs to Rs 1.5 crore at Rs 0.25 interest to new entrepreneurs and existing stone crushing units for upgrading the technology to manufacture robo sand.

To help the survival of sand manufacturing units, the government has also taken a favourable decision to use robo sand up to 20 per cent in the development activities within radius of 50 km of the crushing unit.

The Cabinet has also allotted Rs 37.3 crore per annum, a total of Rs 186.5 crores for the sanction of loans to stone crushing units. MA Azeem, the Chirmakurthy Galaxy Granite Owners Association, said the granite quarries in the State produce thousands of tons of waste every year.

He agreed that many quarries are dumping the waste at the vacant place of the quarries for several years and the dumps are like manmade mountains, and it can be utilised as the raw material for the sand manufacturing units for years.

He said that as the setting up of sand manufacturing units cost around Rs 2 crore and the government is offering loansat Rs 0.25 interest, many new small and big entrepreneurs will enter the field soon.

He said guidelines are yet to be issued by the government. He felt that sand manufacturing unit will flourish if the government can provide continuously orders for robo sand for use in local development activities.