The EMCO Wheaton A0716-018CA is a 18" round manhole with a black plastic composite (UV-resistant, fiber-reinforced) lid and galvanized steel skirt. The cam-lock lid uses a cam-lock mechanism with ribbed seal for water-resistant closure — no bolts required for access. AASHTO H20 wheel loading rated for roadway, parking lot, and sidewalk installations. Extended 18" skirt height.

Key Features

AASHTO H20 wheel loading — traffic-rated for roadway and parking area installations
Plastic composite lid — UV-resistant, porosity-free fiber-reinforced construction with 36-month warranty
Cam-lock — ribbed seal provides water-resistant closure; tool-free cam mechanism
Galvanized steel skirt — durable structural support
Custom skirt heights available — contact us for non-standard depths

Technical Specifications

Part Number	A0716-018CA
Nominal Size	18"
Lid Style	Cam-lock
Lid Material	Black plastic composite (uv-resistant, fiber-reinforced)
Seal Type	Ribbed (water-resistant)
Lid Diameter	17.0"
Overall Diameter	17.7"
Clear Hole I.D.	15.1"
Skirt I.D.	17.0"
Overall Height	18.0"
Skirt Material	Galvanized steel
Load Rating	AASHTO H20
Lid Warranty	36 months

Applications

UST (underground storage tank) monitoring, fuel containment sumps, environmental monitoring wells, water treatment access points, utility access, and any installation requiring AASHTO H20 traffic-rated access protection with corrosion-resistant composite lid technology.

About EMCO Wheaton

EMCO Wheaton Retail (a division of ECT Manufacturing) is the industry standard in composite and steel manholes — specified by municipalities, petroleum contractors, and environmental 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.

Plastic Manhole Cover, Round, 18"x18", Cam-Lock, Black Lid