2400 33RD ST CONTRACT AGREEMENT 2016-01-01 MF Import

ATTACHMENT A TO SECTION 01900 REVISIONS TO THE STANDARD PLANS AND SPECIFICATIONS The moisture content ot all foundation and backiill material shall meet the requirements of Section 2-03.3(14)C, Method C. 2. Foundation and backfill material with a placement moisture content in excess ot the optimum moisture content shall be removed and reworked until the moisture content is uniformiy acceptable throughout the entire lifl. 3. The Optimum Moisture Content shall be determined in accordance with Section 2- 03.3(14)D. Foundation and backfill shall be compacted to 95 percent of the maximum density as specified under Compactinc� Earth Embankmen s, Method C, in Section 2-03.3(14)C, except as modi;ied herein: The maximum lift thicki,�ss before compaction shall not exceed 10 inches. 2. The Contractor shall decrease this lift th,;ckness, ii necessary, to obtain the specitied densily. Acceptance of Concrete Section 6•02.35(A), Genaral In ihe secon�i paragraph, lhe reference to "Contracting Agency" is revised to read "Coniractor". Section 6-02.3(5)D, Test Methods The tirst sentence ot the first paragraph is revised to read: Acceptance lesting shall be performed by ihe Contractor. Section 6-02.34(5)E, Point of Acceptance The last paragraph is revised to read: It shall be the Coniractor's responsibility to provide adequate and representative samples o( the fresh concrete ior ihe testing of concrete properties and making of cylinder specimens. Once the Contractor fias turned over the concrete ior acceptance testing, no more mix adjustments wil� be allowed. The concrete will either be accepted or rejected. Section 6-02.34(5)G, Sampling and Testing Frequency for Temperature, Consistency, and Air Content The second sentence of the first paragraph is revised to read: The Coniractor shall test for acceptance of concrete for slump, temperature, and air content as follows: The second sentence of the second paragraph is revised to read: Concrete shall not be placed until tests for slump, temperature, and entrained air (if applicable) have been completed by the Contractur, and the results indicate that the concrete is within acceptable limits. Section 6-02.34(5)H, Sampiing and Testing for Compressive Strength This Section is replaced by the (oregoing Amendment ot the same title. DRAINS Materials Section 7�012 is suppiemenled with the f�llowing: Capital Projects Commuter Rail Attachment A to Section 01900 - 15 IFB No. RTA/CP 21-06 � Eveiett Station Phase 2REVlSIONS TO THE STAyDARD PLANS AND SPECIFICATIONSAddendum No.4