Table of Contents 1.0 Introduction 2.0 Geology ... - Seiaacg.org

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Pre – feasibility Report of M/s Agrasen Mines & Minerals, Jotpur Dolomite Mine 4.592 Hectare(1) Broad blasting parameters-Burden- 1.2mDepth of the hole- 3.3mSpacing- 1.65mDia. Of the hole-65mmCharge per hole-2000gmsMaximum number of holes blasted in a round-5 nos.Maximum no. of holes blasted/ day will be about-15 nos.The total quantity of explosive used per day will be-30 kg.Total (max. Capacity) material to be blasted/ annum shall be-83,790 toneQuantity broken/ hole = 1.2 x 3.3 x 1.65 x 2.85 (B.D.)=t/hole18.62/hole(2) Explosive material to be used-Special Gelatin.Ordinary detonatorSafety fuseANFO after taking required permission.(3) Storage of explosive-Explosive will be stored in a portable explosive magazine for which the applicant will take asuitable license from Controller of Explosive, Agra. The specification of portable magazine is givenbelow:Type- B and S type portable.Capacity- Class 3 Nitro compounds 100 kg.Class 6 Cdivi-1 (safety fuse)- 3000m.Class 6 Divi-ordi Deto-10000 Nos.(4). Power factor in ore-9 tones/kg of explosive will be used.(5).Whether secondary blasting is needed- No.4.1 Noise:The following steps are taken to minimize pollution by noise.11
Pre – feasibility Report of M/s Agrasen Mines & Minerals, Jotpur Dolomite Mine 4.592 Hectare(a) Blasting will be well designed and will be carried out periodically.(b) Blasting will be planned to minimize boulders.secondary drilling and blasting is avoided.5.0 MINE DRAINAGE12
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Table of Contents 1.0 Introduction 2.0 Geology ... - Seiaacg.org

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