ASTM C891/C891M-25

Podrobné informace

Označení: ASTM C891/C891M-25

Datum vydání: 01.12.2025

Stran: 5

Země: Americká technická norma

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Anotace

This practice covers the procedures to be followed in the planning, site preparation, and installation of underground precast concrete utility structures. The installation area shall be surveyed using the workprint and a checklist to identify the work to be done and to determine that the plans are correct. Permits required to do work in accordance with the detail plans shall be secured before starting the job. All permits or a record of the permits shall be retained on the job for immediate reference. Safety requirements for construction shall be in accordance with all federal, state, and local regulations. Shoring for construction shall be in accordance with all federal, state, and local regulations.


Keywords:
backfill, installation, underground, utility structure,, ICS Number Code 91.100.30 (Concrete and concrete products)