On-Call_Guardrail_Repair_Services_-_Pasadena_Standard_Plans_(Exhibit_C).pdf

The documents are City of Pasadena Department of Public Works standard plan drawings for PCC (Portland Cement Concrete) Pavement Jointing and Restoration of Concrete Street Excavations, specifically Standard Plan Numbers S-417 and S-422. These technical drawings provide detailed specifications for concrete pavement construction, repair, and restoration procedures, including section views, jointing details, and construction requirements.

The technical specifications outline precise requirements for concrete pavement work, including minimum pavement thickness (6 inches for alleys, 8 inches for streets), aggregate base compaction, native soil preparation, and specific joint types and placement. Key technical details include concrete class specifications (520-A-2500 for regular strength, 660-A-4000 for high early strength), maximum slump size of 3 inches, membrane curing compound requirements, and restrictions on traffic and equipment operations on newly poured concrete. The drawings provide comprehensive guidance for contractors on excavation, restoration, trench backfill, utility interactions, and concrete pavement construction techniques.