Collection of samples from the Railway Siding. (a) In case of dispatch by rail each rake of Coal supplied to the Purchaser from the Delivery Point shall be considered as a lot for the purpose of sampling. (b) Each rake shall be divided into approximately equal sub-lots as under: Up to 30 wagons 4 >30 wagons up to 50 wagons 5 >50 wagons and above 6 (c) From each of the sub-lots, one wagon each shall be selected as per a random table in BIS Standards (IS: 436 (Part I/Section I) 1964) or its latest version for collection of increments. (d) In each wagon selected for sampling, the sample will be drawn from the spot in a manner so that if in one wagon the sample is collected at one end, in the next wagon the spot will be in the middle of the wagon and in the third wagon at the other end and this sampling procedure will be repeated for subsequent wagons. (e) Before collecting the samples, the spot will be leveled and at least 25 cm of Coal surface shall be removed/scrapped from the top and the place will be leveled for an area of 50 cm by 50 cm. (f) About 50 kg of the sample shall be collected from each selected wagon in the rake by drawing 10 increments of approx. 5 kg each with the help of shovel/scoop. (g) Samples collected from all the selected wagons in a rake shall be mixed to form a gross sample. (h) Item (d) to (f) above shall be applicable for Coal supplied in all types of wagons. (i) In case of the rake having live overhead traction line, the power supply in the overhead traction shall be switched off to facilitate collection of samples from the wagons pursuant to points (d) to (f) above.
Appears in 4 contracts
Samples: Fuel Supply Agreement, Fuel Supply Agreement, Fuel Supply Agreement
