All materials and certain specified equipment incorporated in the contract shall be subject to inspection and test as follows:
(a) All tests except as noted shall be made by an independent established testing laboratory, employed and paid by the contractor. The laboratory selected is to be approved by the owner before being definitely retained by the contractor. Samples at the mill or factory shall be taken by a representative of the testing laboratory. Samples of construction materials from the site of the work, such as sand, gravel, concrete cylinders, pipe, etc., for which laboratory tests are required, shall be taken, assembled or prepared on the site of the work by representatives of the testing laboratory of by a competent employee of the contractor subject to the approval of the Engineer. Any necessary containers, shipping boxes or crates shall be supplied by the testing laboratory or the contractor. The testing laboratory or the contractor shall pay all costs of transporting samples to the laboratory. The contractor shall furnish, without additional charge, all material that may reasonably be required for testing purposes. Visual tests of all materials and slump tests of concrete required under the following schedule will be made by the Engineer without cost to the contractor.
(b) Payment for tests shall be made by the contractor. The tests to be made, the number of samples and acceptance and rejection shall be based on the standards and tentative standards of the American Society for Testing and Materials, unless otherwise noted. Two signed copies of test reports on testing laboratory forms or letterhead shall be delivered to the Engineer as soon as available. Wherever in the following tabulation the letters A.S.T.M. are used, they shall be interpreted to mean the latest standard specifications of the American Society for Testing and Materials.
(Ord. 352. Passed 10-22-62.)