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Bidjugde
JOB
Paper Mill Creek Storm Drain Inlet Upgrades Phase 1
BID DATE
05/12/22 - 2:00
AGENCY
Marin County
ESTIMATE
$176,400
SCOPE
The Phase 1 Project involves General items for Culvert 1, and Culvert 1 Removal and Improvements. Phase 1 Project work shall include, but is not limited to, the following: Culvert 1 General: Mobilization and demobilization, construction staking, and temporary facilities and controls, site preparation and demolition, and site restoration and hydroseeding. Culvert 1 Removal and Improvements (Sta 2+00 to Sta 2+25): Removal: Demo/Remove the existing items: culvert inlet structure, 16 LF of 42” RCP culvert, junction box/inlet structure, 14 LF of 36” RCP, and 14 LF of 15” RCP. Improvements: Construct culvert headwall, wingwall, apron. Connect new 4 LF 42” RCP pipe to existing with one (1) cast in place concrete collar. Excavate and backfill around culvert headwall, wingwall, and apron as shown on plans. Connect the following items in newly constructed culvert inlet: 36” diameter RCP with two (2) cast in place concrete collars, 15” diameter RCP with two (2) cast in place concrete collars. Install galvanized steel bollards on culvert apron. Install galvanized steel debris rack on culvert inlet. JLJackson@marincounty.org
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