505 E Central Ave #B - DEF 1 - Plan

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CITY OF SANTA ANA SPECIFICATIONS PROJECT NO.: XX-XXXX PROJECT TITLE 142 6.00 SPECIAL PROVISIONS - SANITARY SEWER IMPROVEMENTS 6.01 OPEN TRENCH OPERATIONS, EXCAVATION, BEDDING, AND BACKFILL Open trench operations, excavation, bedding and backfill shall conform to the applicable provisions of Section 306 of the Standard Specifications and these Special Provisions. All trenches shall be base paved with hot mix or covered with steel traffic plates recessed and flushed with existing pavement at the end of each working day. No temporary pavement will be allowed. Trenching operations shall not be allowed on more than one street at any time. Work shall not be allowed in more than one intersection at any one time. The third paragraph of Subsection 306-1.1.1 of the Standard Specifications is hereby deleted and replaced as follows: Excavation shall include the removal of all excess excavated materials and all water and materials of any nature which interfere with the construction work. All pavement removals shall be sawcut unless, approved otherwise by the Engineer prior to commencement of work. All removed pavement and excess excavated material shall be immediately disposed of off the project site at a legal dumpsite at the Contractor's expense. Pipe bedding and trench backfill shall be accomplished in accordance with the City of Santa Ana Standard Plan No. 1150, these Special Provisions, and the trench details on the construction drawings. For VCP sewers, the pipe zone and bedding material shall be ¾- inch crushed rock. For VCP sewers in high groundwater conditions, the pipe zone and bedding material shall be ½” crushed rock wrapped in geofabric (Mirafi 140N or approved equal). For PVC pipe and ductile iron pipe sewers, the pipe zone and bedding material shall be imported SE-30 sand. The trench zone backfill shall be Class II aggregate base. All material tickets (i.e. Sand, Class II Base, Crushed Rock, Asphalt, Concrete, etc.) shall be given to the City Inspector on a daily basis. No backfill shall be placed until the sewer pipe laid has been approved by the City Inspector. Crushed rock products shall be in accordance with subsection 200-1.2 and Table 200- 1.2(A) of the Standard Specifications. The seventh and eighth paragraphs of Subsection 306-1.3.1 of the Standard Specifications are hereby deleted and replaced with the following: 505 E Central Ave #B11/6/2024