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AW <br /> C . Subsoil Excavation - Any excavation below the proposed bottom elevation <br /> of the , isolated swale bottom locations , isolated locations for pipe <br /> installations and as approved by the engineer shall be paid for as subsoil <br /> '� excavation . Approximately 2 . 0 ft of subsoil excavation is required in <br /> ditches located under proposed roadway and drainage culvert <br /> 40 improvements . Cost of replacement embankment shall be included in <br /> cost of subsoil excavation . Contractor to coordinate with county <br /> representative prior to any subsoil excavation . Contractor will complete <br /> 40 his own quantities for excavation and embankment . <br /> D . Embankment - General Requirements for Embankment Materials : The <br /> s <br /> following is added after the first paragraph of Subarticle 120-7 . 2 : <br /> Roadway Design Standard Index No . 505 , Embankment Utilization Details <br /> is modified by the addition of the following : <br /> Any stratum or stockpile of soil , which contains obvious pockets of highly <br /> organic material , may be designated as muck or unsuitable for <br /> .. construction of subgrade by the Owner. <br /> Backfill material containing more than 2 . 0 % by weight of organic material , <br /> ,W as determined by FM 1 -T 267 and by averaging the test results for three <br /> randomly selected samples from each stratum or stockpile of a particular <br /> material , shall not be used in construction of the reinforced volume . If an <br /> individual test value of the three samples exceeds 3 . 0 % , the stratum or <br /> stockpile will not be suitable for construction of the reinforced volume . <br /> No A-8 material permitted in embankment. <br /> E . Payment shall be made under: <br /> „ Item No . 5 — Lump Sum <br /> 7 . COQUINA SHELL BASE <br /> A . Base material , thickness and requirements are described in the <br /> construction plans . Only one type of alternate base material shall be used <br /> No additional payment will be made for base thickness in excess of the <br /> "' specified thickness <br /> Be Payment shall be made under: <br /> 4W <br /> Item No . 7 — 8 " Coquina Shell Base - Per Square Yard <br /> 8 . 12 " TYPE ' B ' STABILIZATION <br />.. <br /> A . The work specified in this item shall conform to Section 160-2 of the Florida <br />„r Department of Transportation Standard Specifications for Road and Bridge <br /> Construction ( Latest Edition ) . <br /> Be Payment shall be made under: <br /> Item No . 8 — Per Square Yard <br /> TECHNICLU PROVISION <br /> TP - 12 <br />.r <br />