Original
General Order 128
Section
IV
Requirements For
Communication Systems
42 Manholes And Handholes
42.1
Definitions
42.2
Maintenance and Inspection
42.3
Material and Strength
42.4
Size and Shape
42.5
Openings
42.6
Drainage
42.7
Covers
42.8
Location
42.9
Foreign Pipes
42.10
Explosion Protection