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*Amendment 0005 Posted 6/17, PLA Requirements and Updated Bid Opening Participation instructions* *Amendment 0004 posted on 6/10, Bid opening date extended* *Amendment 0003 posted on 6/4* *AMENDMENT 0002* *Note prior Amendment 0001 attachment and attachment of original Solicitation* The Murrieta Creek Phase 2B channel widening starts from the upstream end of Phase 2A (Station 98+80) and continues to approximately 5,220 feet (Station151+00). The invert of the channel consists of a maintained channel area and riparian vegetation corridor. **Please reference the following Documents attached for further details: Solicitation VOL 1, Appendices VOL 2, Plans/Spec Set, Site Visit Itinerary, Map GENERAL SCOPE: (Groundwater monitoring plan)(Comprehensive dewatering plan to keep excavation dry)(Monitoring well installation)(Instrumentation)(Dewatering system removal)(Temporary shoring)(Demolition and debris removal)(Strip/Stockpile topsoil)(Existing riprap removal)(Shoring design and installation)(Precise installation/monitoring of inclinometers)(500,000 cubic yards large scale excavation)(Detailed survey control)(Protection of large sewer utilities)(Relocation large water utilities)(Large scale compacted fill)(Large scale riprap installation) (grouted riprap slopes at confluences)(Extensive series of side drain structures) (overbank aesthetics landscaping, right of way)(A/C Paving for roadways) (several access ramps) (maintenance road/trail, riparian vegetation corridor)(Extensive concrete v-ditch system)(Embankment subdrain system)(Planting/hydroseeding)(Temporary irrigation system)(plant establishment)(Install grade stabilizer)(galvanized posts and cable fence), (access gate).Utilities:? RCWD 36 inch line: Existing 36 inch steel pipe to be relocated approximately 15 inches upstream of its current location. The new 36 inch steel pipe will be encased in a 60 inch steel casing.? RCWD 12 inch line: Existing 12 inch steel pipe to be abandoned in-place and removed by the Contractor.? RCWD 24 inch line: Existing 24 inch steel pipe to be relocated approximately 15 inches upstream of its current location. The new 24 inch steel pipe will be encased in a 42 inch steel casing.? EMWD 12 inch and 24 inch sewer lines: Existing 12 inch and 24 inch sewer lines and existing concrete encasements to be protected in-place; the lines are roughly parallel and within 11 inches of each other. The Contractor will construct a protection structure over the lines using CMLC and concrete.? SCG 4 inch HP gas line: SCG will perform the relocation of the existing 4 inch HP gas line. The new alignment will run along the current low flow crossing
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