tender for superior a grade sea-borne coal as per specification: 1. grade: a grade non-coking coal as percoal india ltd. grade categorization, 2. calorific value: above 6,200 kilo calories per kg, 3. size: should not bebelow 4 inches and should not be above 18 inches, 4. quality: free from dust, shales and stones, 5. ash content:not more than 11 as per a grade, 6. density: 1.08 at stack, 7. moisture: not more than 6 as per a grade.(note: inspection by the consignee. the sample coal shall be taken on arrival atdestination, in the presence of firms representative and the same shall be sent tochemical and metallurgical analysis.) .