R2014-70 ACCEPTING THE BID & AUTHORIZING CONTRACT FOR STREET RESTORATION

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CITY OF DECATUR , SUPPLEMENTAL SPECIFICATIONS FOR ' SECTION 352: SOIL—CEMENT BASE COURSE (Continued) 352.13 Protection and Cover. RC-70 or CSS-1 H will be used to meet the bituminous material requirements of this Article. 352.15 Opening to Traffic. Article 701.17(b)(2) shall be changed to require a curing period of 36 , to 48 hours before the soil-cement base course is opened to traffic. 352.16 Maintenance. Add the following paragraphs to this Article: ' 'The Contractor may adjust valve boxes and manholes during their operations to protect them from damage. Valve boxes or manholes temporarily lowered shall be adequately protected from material or liquids entering them and from construction operations. The location of all valve boxes and manholes shall be recorded, in writing, for use in relocating them in the event of an emergency or to adjust to final grade. The Contractor shall confine their work to the limits designated by the Engineer and spillover w or cleanup caused b spillover or ' outside of this area shall be avoided. Any corrective work p y p negligence on the Contractor's part shall be corrected by the Contractor at no cost to the City. 352.18 Method of Measurement. The following subsections of this Article are rewritten or added as follows: ' Rewrite: ' (b)(3) Pulverizing and tilling the existing street surface and its base material to the required depth and then compacting prior to the removal of excess material will be measured for payment as PULVERIZE SHAPE AND COMPACT. The removal ' and disposal of excess or unsuitable material will be measured for payment as EARTH EXCAVATION. (b)(4) Replacement of unstable or unsuitable subsoil or material will be measured for payment as AGGREGATE BASE COURSE, SPECIAL in accordance with Article 351.11 of the Standard Specifications. (b)(5) VALVE BOX ADJUSTMENT and MANHOLE ADJUSTMENT will be measured each for payment. No measurement will be made of temporary adjustments. Add: ' (b)(6) Cold milling of the completed soil-cement to level the base prior to paving will be measured for payment as SHAPING AND GRADING ROADWAY. , (b)(7) The collection of field samples; the preparation of soil-cement mix designs; and quality control testing through construction of the base courses for this project will , be measured for payment as SOIL-CEMENT MIX DESIGN AND FIELD TESTING.