Conveyance and Distribution of Water for Water Supply: Aqueducts, Pipe-lines and Distributing Systems, a Practical Treatise for Water-works Engineers and Superintendents

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D. Van Nostrand Company, 1918 - Hydraulic engineering - 663 pages
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Page 631 - The inspector representing the purchaser shall have free entry, at all times while work on the contract of the purchaser is being performed, to all parts of the manufacturer's works which concern the manufacture of the material ordered. The manufacturer shall afford the inspector, free of cost, all reasonable facilities to satisfy him that the material is being furnished in accordance with these specifications. All tests...
Page 631 - Material which, subsequent to the above tests at the mills, and its acceptance there, develops weak spots, brittleness, cracks or other imperfections, or is found to have injurious defects, will be rejected at the shop and shall be replaced by the manufacturer at his own cost.
Page 633 - The manufacturer shall afford the inspector, free of cost, all reasonable facilities to satisfy him that the material is being furnished in accordance with these specifications. All tests and inspection shall be made at the place of manufacture prior to shipment, and shall be so conducted as not to interfere unnecessarily with the operation of the works.
Page 624 - Specimen bars of the metal used, each being 26 inches long by 2 inches wide and 1 inch thick, shall be made without charge as often as the engineer may direct, and, in default of definite instructions, the contractor shall make and test at least one bar from each heat or run of metal. The bars, when placed flatwise upon supports 24 inches apart and loaded in the center, shall...
Page 585 - To this material sufficient oil shall be added to make a smooth coating, tough and tenacious when cold, and not brittle nor with any tendency to scale off. Each casting shall be heated to a temperature of 300...
Page 586 - The contractor shall provide all tools, testing machines, materials and men necessary for the required testing, inspection and weighing at the foundry of the pipes and special castings; and, should the purchaser have no inspector at the works, the contractor shall, if required by the engineer, furnish a sworn statement that all of the tests have been made as specified, this statement to contain the results of the tests upon the test bars.
Page 627 - CHEMICAL PROPERTIES AND TESTS Chemical Composition. — 3. The steel shall conform to the following requirements as to chemical composition: Ladle Analyses.
Page 586 - The engineer shall be at liberty at all times to inspect the material at the foundry, and the molding, casting and coating of the pipes and special castings. The forms, sizes, uniformity and...
Page 633 - The finished material shall be free from injurious defects and shall have a workmanlike finish. VI. MARKING Marking 12.
Page 628 - The yield point shall be determined by the drop of the beam of the testing machine.

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