Item:Download Specs (pdf):
48″ WSDOT Type 1 Manhole
Isometric

48″ WSDOT Type 3 Manhole
Isometric

60″ WSDOT Type 1 Manhole
Isometric

60″ WSDOT Type 3 Manhole
Isometric

72″ WSDOT Type 2 Manhole
Isometric

72″ WSDOT Type 3 Manhole
Isometric

84″ WSDOT Type 3 Manhole
Isometric
96″ WSDOT Type 2 Manhole
Isometric

96″ WSDOT Type 3 Manhole
Isometric
120″ WSDOT Type 3 Manhole
Isometric
144″ WSDOT Type 3 Manhole
Isometric

Adjustment Rings 
24″ Dia. Adjustment Rings
Isometric

30″ Dia. Adjustment Rings
Isometric

36″ Dia. Adjustment Rings
Isometric
42″ Dia. Adjustment Rings
Isometric