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Sector 3 Beach & Dune Restoration Project Attachment 1 to Change Order No . I CONTRACTOR shall suspend transport operations and promptly repair equipment or change operations so as to prevent spillage prior to resumption of transport operations . The CONTRACTOR shall supply beach compatible sand , which must be consistent with (a) the CONTRACTOR ' s proposed bid material as identified in the Table below, and (b) the document titled " Sediment Quality Control / Quality Assurance Plan — Upland Source" . Contractor ' s Bid Sand ------------------------------------------ U land Sand Mine Median grain - size Overfill Factor "Ranch Road Lake" 0 . 43 mm 1 . 00 "Fischer 86"" ' 0 . 33 mm 1 . 05 For sand fill from the "Ranch Road Lake " mine, the CONTRACTOR shall supply sand fill with : s a median grain size of no less than 0 . 41mm ( 10 % less than the CONTRACTOR ' s offer of 0 . 43mm) and a Overfill Factor no greater than 1 . 10 ( 10% _greater than the CONTRACTOR' s Bid) for any group of samples obtained and analyzed which represent a single stockpile at the Upland mine prior to transport to the Project fill area . • in aggregate for all samples a average median grain size of 0 . 43mm for the entirety of the Project . For sand fill from the "Fischer 86t" " mine the CONTRACTOR shall supply sand fill with : • a median grain size of no less than 0 . 30mm ( 10 % less than the CONTRACTOR ' s offer of 0 . 33mm) and a Overfill Factor no greater than 1 . 15 ( 10% greater than the CONTRACTOR ' s Bid) for any group of samples obtained and analyzed which represent a single stockpile at the upland mine prior to transport to the Project fill area. • in aggregate for all samples a average median grain size of 0 . 33mm for the entirety of the Project Item 6 : Technical Specifications — Section 5 . 3 Unacceptable Material , Rock, Rubble or Debris Section 5 .3 is amended as follows : 5 .3 Unacceptable Material, Rock, Rubble or Debris . It is the responsibility of the CONTRACTOR to supply beach compatible Faa4erial eensJ« �with the Plan . sand. , which must be consistent with (a) the CONTRACTOR' s proposed bid material as identified in the Table above and (b) the document titled " Sediment Quality Control / Quality Assurance Plan — Upland Source" . Samples of the fill will be collected and tested by the CONTRACTOR per the Sediment QA- QC Plan in Attachment 3 throughout the construction . In the event that unsuitable material is detected as part of these procedures , the CONTRACTOR will immediately stop providing such material and shall be responsible for immediately removing the unsuitable material prior to any further Page 3 of 26 March 16, 2010