Forms part of Fonds 1. Series consists of the records of the Committee on Public Improvements and Works, a standing committee of Council from 1874-1971. Most minute volumes include original indexes.

The records consist of 3 subseries:

Subseries 45: Minutes, 1876-1971.

Subseries 46: Communications, 1903-1971.

Subseries 47: Registers, 1892-1950.