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• <br />item Is for the necessary amendments and working of the soil to prepare a suitable layer <br />of topsoil. <br />1823 Basis of Payment <br />Work and incidental casts specified as being covered under this Section will be paid for <br />at the contract unit price per square yard satisfactorily completed and accepted, <br />Payment shall be made under: <br />Item No. 162-2 - Topsoil (6') - Per Square Yard <br />SfECTION 344 - OPEH-oRADED EMULSIFIED MIX POROUS PAVEMENT <br />340 -1 Description: <br />open Graded Emulsified Mix Porous Pavement is a mixture of course mineral aggregate <br />mixed at air temperature with a heated polymer modified emulsified asphalt. This is $aid <br />on a prepared road base to the required depth and width. <br />Aggregate from stock pile dumped directly into the front of machine. Aggregate is fed at <br />a controlled rate by beat conveyor to pug mill mixer where it is mixed with chosen bitumen, <br />pumped at metered rate. Mix is discharged at rear of mixer and spread toy augers In front <br />of vibratory screed which lays mixed material to desired thickness. <br />344-2 Materials: <br />Emulsion: Latex'MPAE, such as provided by Florida Highway Products, P.O. Dox <br />928, Bartow, Florida 33831, (941) 533-7881. <br />The bituminous materials used for mixing shall meet the requirements for Cationic <br />Asphalt Emulsion. <br />The Cationic mixing grade emulsion shall be homogenous and of high quality. The <br />material shall be prepared from straight -run Venezuelan asphalt of high ductility <br />and shall contain a rubber hydrocarbon additive derived from latex in addition to <br />carefully controlled amounts of selected Naphtha. <br />Cationic Asphalt Emulsion <br />Material Designation <br />est <br />Latex MPAE <br />Uri, max <br />Viscosity, Saybolt Furol, 77F(25C) Sec. <br />Viscosity, Saybolt, 122F(50C) Sec. 50 <br />Storage Stability Test, 1 Day <br />(Difference in percent Residue) - <br />Classifiration Test <br />Stone Coating Test Satisfactory <br />Particle Charge Test Positive <br />Sieve Test, percent 0.10 <br />TECHNICAL SPECIFICATIONS i.. <br />6-1 <br />