Construction Management

Construction Management

Construction Management

Construction Management

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Overview

The City of Paso Robles continues to improve its water system by replacing the existing 21st Street Reservoir—an unconventionally-shaped earthen reservoir lined with both gunite and HDPE. The existing reservoir was covered with a wood roof and trust system, supported by a concrete stem wall at the perimeter of the tank and interior columns. The reservoir was constructed in 1925 and had reached the end of its useful service life.

Upon completion of this project, the City will have replaced this reservoir with a new 4.0 MG partially buried pre-stressed concrete tank (AWWA D110 Type I) and renamed the facility to the Main West Tank—a description that more accurately portrays its function as the main facility providing all the required storage for the City’s Main West pressure zone (one of the City’s two main pressure zones).

The City selected Cannon to provide Construction Management services and assist in the implementation of the project. Services under this contract included construction management, construction observation, and materials engineering, sampling and testing.

The new Main West Tank will be constructed at the existing reservoir site (35 38’6.78”N, 120 41’55.99”) and will maintain the existing hydraulic grade line (HGL) for the Main West pressure. The construction work consists of (demolition ?) the construction of a 4 MG partially buried pre-stressed concrete tank, including appurtenances such as ladders, hatches, railing, air vent, safety equipment and various SCADA and electrical equipment; the installation of 18-inch CML & C welded steel pressurized potable pipe, 18-inch & 12-inch stainless steel inlet manifold piping, 18-inch DIP pressurized potable pipe, 24-inch PP drain pipe, 4-inch, 6-inch, 8-inch, 10-inch, and 12-inch DIP pressure pipe, 4-inch, 6-inch, and 8-inch PVC drain pipe beneath the tank; and various other item for a complete and functioning potable water storage system.

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Information

Location
Paso Robles, California

Service
Construction Management

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