25D - AGMT - REWIRING STREET LIGHTS

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PART II SPECIFICATIONS EXCAVATING AND BACKFILLING Excavating and backfilling shall conform to Section 86.2.01, "Excavating and Backfilling"of the California State Specifications (CSS) and these Special Provisions. The following paragraph shall be added to Section 86-2.01: All excavated material in roadway shall be removed from the site and backfilied with compacted crushed aggregate base material topped with temporary asphalt concrete on the same working day as removed. A temporary alternative to backfilling, with permission of the Agency, shall be the placement of steel plates with temporary asphalt concrete ramping at edges of the steel plates. Such plating shall not be allowed for more than five (5) working days, after which backfill shall be required. Slurry backfill: Use of a one-sack cement and sand slurry provided by a commercial ready-mix concrete vendor may be permitted except in parkway areas. The slurry shall be placed monolithic from the bottom of the excavation to the bottom of the existing structural section or sidewalk; or as directed by the Agency. CONDUIT Roadway lighting conduit shall conform to the provisions in Section 86-2.05, "Conduit", of CSS and these Special Provisions. Roadway lighting conduit shall be schedule 80 PVC unless shown otherwise on the plans. Insulated bonding bushings will be required. All conduits, excluding SCE service conduits, shall be installed at the depth not less than 42" below finished grade in pavement areas 24" in sidewalk and parkway areas. Only when conduits are to be installed between adjacent pull boxes, from street light pole to pull box or pull box to cabinet where the in-between distance is too short to meet the 42" depth and the 45-degree sweep requirements, the conduit may be installed at lower depth but not less than 18" below finished grade. After conductors have been installed, the ends of conduits shall be sealed with industry grade sealing compound. Replace sidewalk and pavement in-kind to match existing material, color, and pattern, from score mark to score mark after pull boxes and conduit have been installed. Payment for replacement of sidewalk, pavement, hardscape and landscaping shall be included in lump sum price. All costs for potholing, trenching, boring etc shall be included in lump sum price. PULL BOXES Pull boxes shall conform to the provisions in Section 86-2.06, "Pull Boxes" of CSS, CSP ES-8 and these Special Provisions. Notes 4(a)(5) and 4(b)(10) on CSP ES-8 shall not apply. Pull box size shall be Number 5 except where shown otherwise on the plan or as directed by the Agency. Bottoms shall be bedded in crushed rock. Pull boxes shall not be grouted. Pull boxes shall be polymer concrete reinforced with heavy-weave fiberglass. Pull box covers shall be lightweight (BES lite non- concrete, or approved equal). Pullbox lids shall be stamped "LIGHTING". New pull boxes shall not be installed within any curb access ramp. 25D-12