Specifications

DKG-MWM Monitoring Observation Well Manhole

These manholes are equipped with strong cast iron bolt-down lids to provide a “limited access”, watertight seal to prevent driveway contamination from entering manhole, and a heavy duty cast iron rim for street traffic. A distinctive triangle design and words, “Do Not Fill” are cast into the cover to meet API specifications.

Materials

• Body ring: cast iron
• Cover: cast iron
• Skirt: steel (104 AOW/MW)
• Gasket: Buna-N

Ordering Specifications”

Product#            Dia(in/mm)            Skit Depth(in/mm)          lBS/Kg

DKG-MWM-8         8”/203                    13”/330                             18/8

DKG-MWM-10      10”/254                   12”/305                             25/11

Features

Painted ductile iron lid and rim.

Heavy duty, 100% welded skirt available.

Bolt-down units have water-tight lids.

Stainless steel bolts.

Secure Cover - Two recessed, self-aligning stainless steel bolts with O-rings secure cover to the body ring.

Prevention Against Surface Water Contamination - A gasket located in the ring prevents contamination from rain water or during washdown.

Maximum Load Bearing Capacity - Cast iron covers and body rings are heavily ribbed to ensure maximum load bearing capacity.

Trouble-Free Installation - Sturdy steel skirts extend nearly a foot below grade to ensure trouble-free installation even in deep concrete.

Full-Size Internal Diameters for Maximum Access and Working Area.

Highway 20 Rated (H20) - All OPW spill containers and manholes exceed the requirements of the Highway 20 rating.

Individually Boxed for Ease of Handling.