Bhubaneswar: In another step forward towards utilization of fly ash, blast furnace slag and coal washery rejects, the Odisha Chief Secretary Bijay Kumar Patnaik has directed various government departments to scale up the use of fly ash in identified works like filling of mining voids, reclamation of low laying areas, canal lining, raising the dyke heights of embankments, laying the base of different roads, using fly ash brick in all government buildings etc. Patnaik has given this direction while presiding over the High Level Committee meeting held in Bhubaneswar secretariat recently.
It has been decided in the meeting that Odisha Power Generation Corporation (OPGCL) will take up canal lining with fly ash bricks on experimental basis. The Chairman of the Corporation and Energy Secretary Pradeep Kumar Jena told that the corporation will take up this work from its corporate social responsibility fund. It has been decided that in the first phase 10 kms of canal lining in Sasan canal of Hirakud canal division will be taken up by the Corporation.
Available data shows at present around 25 MT of fly ash and slag is being generated annually in the State Different Governmental departments, thermal power station and other agencies have scaled up its utilization. The utilization has gone up to 50% during last year from that of 285 during 2005-06. In the meanwhile Works department has completed technical study regarding appropriateness of the use of fly-ash in construction of buildings and roads. Considering the report it has been decided in the meeting that specific notification will be made for use of fly ash in 50% of government buildings from April,2013 which will be enhanced to 100% from September,2013. This will be strictly implemented in case of government buildings being constructed within 100 KMs radius of Thermal Power Stations. Chief Secretary has directed the Secretary Works S.K.Roy present in the meeting to standardize the financial and technical details regarding use of fly-ash bricks and include those in to the contract documents. The department has been directed to complete the process by July,2013.
The experts present in the meeting expressed concern over production of qualitative fly-ash brick with appropriate proportion of fly ash, sand and cement. Chief Secretary directed Forest & Environment to organize a workshop involving the fly ash brick producers, technical experts and thermal power plants to make them aware about the present guidelines and latest technology.
Development Commissioner Jugal Kishore Mohapatra has advised the PWD department to make an indicative assessment of the annual requirement of bricks and reveal it to the fly ash brick producers. The proposal for ensuring them assured supply of fly ash as raw material over the years through a MOU type of document was also discussed in the meeting.
Chief Secretary asked Pr Secretary Water Resources Suresh Mohapatra to take up canal lining with fly ash brick in selected stretches of canal in Rengali Dam division under direct supervision of technical experts from water quality monitoring institute and State Pollution Control Board (SPCB) . It has also been decided that a dedicated cell will set up in SPCB to enhance safe use of the fly ash, blast furnace slag and coal washery products being generated in the State.
Chief Secretary Patnaik has also directed to identify mining and quarrying voids and tag specific voids to Thermal power stations for filling with fly ash. The issues relating to use of fly ash in land reclamation, use of fly ash in cement manufacture, use of fly ash in construction of irrigation dams were also discussed in the meeting.
Secretary Forest & Environment R.K.Shrama outlined the issues for discussion in the meeting. Secretary MS&ME D.K.Singh along with senior officials and technical experts participated in discussion.