Rodarte Construction 4/29/2019 - Laserfiche WebLink

CITY OF EVERETT SPECIAL PROVISIONS asphalt concrete to match finished pavement surface and compact with hand tampers and a patching roller. Asphalt concrete and cement concrete shall be considered incidental to the unit price of the structure being adjusted. Match the new patch with existing paved surface for texture, density, and uniformity of grade. Carefully paint the joint between the patch and the existing pavement shall then be carefully painted with hot asphalt cement or asphalt emulsion and immediately cover with dry paving sand before the asphalt cement solidifies. Thoroughly mortar and plaster the inside throat of the structure. 1 Delete Section 7-05.3(2) and substitute the following: 7-05.3(2) Abandon Existing Structures Where it is required that an existing structure be abandoned, the Structure shall be broken down to a depth of at least 4 feet below the revised surface elevation, all connections plugged in accordance with 7-08.3(4) of these Special Provisions, and the structure filled with gravel borrow or CDF, as directed. Compact backfill to a minimum of 95 percent maximum density in accordance with 2-03.3(14)D. The ring and cover shall be salvaged and all other surplus material disposed of. I Delete Section 7-05.3(3) and substitute the following: 7-05.3(3) Connections to Existing Structures Verify existing structure rim and invert elevations prior to construction. Provide verification documentation by means of a Submittal to the Engineer for approval. Submittal shall be in accordance with 1-05.3 of these Special Provisions. Immediately bring discrepancies in invert elevations to the attention of the Engineer. Unless specified otherwise, match the new connection pipe crown elevation to the I existing pipe or pipe crown elevation. Use safe and effective construction methods to prevent existing structures from moving or tipping during excavation to make new connection. Keep sewer manholes in operation at all times and take necessary precautions to prevent debris or other material from entering the sewer, including a tight pipeline bypass through the existing channel, if required. I Core drill for pipe connections less than 28-inch O.D. Jackhammer or rotary hammer shall not be used. Place pipes entering or leaving the structure on firmly compacted bedding. Take I particular care in compacting bedding within the area of the structure excavation that is normally deeper than the pipe trench. Take special care to ensure the annual opening around each pipe entering the structure is completely and firmly rammed full of non-shrink grout to ensure water tightness. Non-shrink grout shall conform to requirements of 9-03.20.3(2) of the Standard Specifications. Supplement 7-05.3 by adding the following: 7-05.3(5) Furnish and Install Solid Cover for Catch Basins (******) Provide new solid covers on existing catch basins where shown on the Plans. Provide solid covers conforming to 9-05.15 of the Standard Specifications, 9- 05.15(1) of these Special Provisions, and to COE Standard Drawing No. 410 for Alverson Stormwater Separation February, 2019 WO No. -UP3660 Division 7—STORM, SEWER,WATER SP-156 I