A high density reinforced concrete box used for access to underground valves. This box has belled top
to prevent settling. Approximate dimensions shown. Unique locking grade rings assure permanence and quality of surface grades when streets are re-paved.
Telescoping extensions facilitate installation at jobsite and act to isolate pipeline from road shock.
Special lifting hole features incorporated in the lid design affords easy removal. Vandal resistance is optional at extra cost.
TO FIND CENTIMETERS MULTIPLY INCHES BY 2.5 TO FIND KILOGRAMS MULTIPLY POUNDS BY .45