8.4_-_1974-002.pdf

This is a Water Department engineering drawing for a water main replacement project located in the East Side Lower Yacht Harbor in Santa Cruz, California. The technical drawing provides detailed specifications for installing a new 6" A-C (asbestos-cement) water main, including multiple valve installations at various depths, connecting to existing water services, and implementing cathodic protection. The drawing includes specific installation instructions for 1½" and 2" wheel valves, hydrant runs, temporary blow-offs for testing and disinfection, and precise measurements for pipe placement and connection points.

The drawing includes technical details such as a cross-section diagram (Detail A) showing valve box configuration, specification for #4 stranded insulated copper wire connections, and connection methods to existing 6" C.I. (cast iron) pipes. The document is dated 1-17-74 and is labeled as a CWO Record Drawing with the specific drawing number 2209-B, indicating it is an official record of water infrastructure modifications for the City of Santa Cruz Water Department. The drawing provides a comprehensive blueprint for infrastructure replacement with precise engineering specifications for utility installation and connection.