Monitoring Manhole Covers, Round 12" x 12" Ductile Lay-In

The EMCO Wheaton A0721-001L is a 12" monitoring well manhole with a lay-in (drop-in) lid for tool-free access during routine sampling. Black ductile iron lid, polyethylene skirt. The larger 11.2" clear hole opening accommodates sampling equipment. 22.8 lbs, AASHTO H20.

Key Features

• AASHTO H20 wheel loading — safe for roadway, parking lot, and sidewalk installations
• Lay-in lid — no bolts, lifts out for fast sampling access
• Polyethylene skirt — corrosion-resistant in aggressive or contaminated soils
• Painted ductile iron lid — black finish, painted inside and out

Technical Specifications

Applications

Groundwater monitoring wells, EPA compliance sites, UST (underground storage tank) closure monitoring, environmental remediation, brownfield redevelopment, landfill gas monitoring, and any installation requiring AASHTO H20 traffic-rated well access protection.

About EMCO Wheaton

EMCO Wheaton Retail (a division of ECT Manufacturing) is the industry-standard name in monitoring well access hardware — specified by municipalities, environmental contractors, and federal agencies nationwide.

Questions on sizing, bulk pricing, or custom skirt heights? Call (866) 514-3684 or email us — we ship within the USA and welcome tax-exempt purchasing for qualified accounts.