2010-094A - Laserfiche WebLink

Home Browse Search

Sector 3 Beach & Dune Restoration Project Attachment l to Change Order No . 1 5 On Call The ENGINEER will be continuously on call during the period of construction for the purpose of making decisions regarding_ issues that involve QC/QA Plan compliance . 6 Addendums Any addendum or change order to the Contract between the Permittee and the CONTRACTOR will be evaluated to determine whether or not the change in scope will potentially affect the QC\QA Plan . Vl . Contractor ' s Quality Control-Plan The CONTRACTOR' s Quality Control Plan shall be submitted for review and acceptance by the ENGINEER consistent with the Technical Specifications . This Plan shall also address sediment quality assurance by including : ( l ) the specific sampling frequency and testing methodology to be provided proposed by the CONTRACTOR, (2 ) the name , address and point of contact for the THIRD PARTY Licensed Testing Laboratory to be used for the required collection of samples and . . 4e the „' a „ ^tum laboratory testing , and (3 ) how the CONTRACTOR intends to assess compliance with the sand standards of acceptance as described in Section IV — above , including an Acceptance Section Form . oriseof ther�efe-seufE , ' positkrirb a„ d VI1 . Contractor' s Sampling and Assessment Protocol A . FDEP Sand Rule Compliance 1 . Sample frequency — Sampling of the processed sand proposed to be placed on the beach shall be conducted at the upland mines by the THIRD PARTY before the material is transported to the Construction Access/Staging Areas The sampling frequency at the mine shall be for every 3 , 000 cubic yards of fill or a minimum of once per week whichever occurs first . At the beach fill area. Sand Rule compliance sampling shall be conducted after each 500 foot- long segment of beach by the THIRD PARTY for which fill placement is completed and otherwise ready for acceptance by the ENGINEER Acceptance bye ENGINEER shall be subject to compliance with the requirements identified in this Plan . 2 . Testing methodology - At the mine , the THIRD PARTY shall collect one sample from the middle of the processed sand stockpile no less than 6 inches below the surface . At the beach fill area, tThe THIRD PARTY Gn,. T A r rnn shall collect two samples of fill — one at the tope of dune and one at the mid- berm =after each 500 foot- long segment of beach fill placement is completed . The location of the samples shall be clearly identified using FDEP Reference Monument stations and half stations , i . e . R-20 , R- 20 . 5 etc . T :ve Beach fill samples shall be obtained from a depth of no less than 6 inches below the surfaceal tke mid >, en:n . The THIRD PARTY shall collect an additional archive sample at each sampling location (mine and beach) and provide the archive sample to the COUNTY and/or ENGINEER upon request . Sample granularmetrics shall be quantified by a licensed testing laboratory performing a gradation analysis using nested sieves at '/2 phi intervals and based Page l9 of 26 March 16, 2010