Precast neck or riser collars, also known as risers and vault extensions, allow for height adjustability of access openings for vaults. They are available in a variety of diameters and heights.
Model: MH COLLAR-A
Material: Concrete
Height: 1’ 4 1/2”
Width: 7’
Length: 8’
Weight: 9800 lb
Downloads
PDF: NE_AVN_8x7x1_Switchgear-Manhole-Collar-A_NewE-2696-1-4.pdf
DWG: NE_AVN_8x7x1_Switchgear-Manhole-Collar-A_NewE-2696-1-4.dwg