Cast Iron Manhole Cover And Frame 28”, Round Sewage Basin Cover, Heavy Duty Metal Inspection Cover For Driveway & Yard, Load 10 Ton(40cm/15.7 in)

Cast iron manhole cover installation method: 1. According to the design of the manhole mouth size, choose the appropriate manhole cover. 2. Sprinkle water on the bottom surface wet, with cement mortar in the need to install the manhole cover position sitting 0.8 inches thick mortar, and then place the cover, base inside edge to use mortar wipe. Installation must keep the base flat, grate base as a whole on the ground, solid and no loose. 3. Pour cement mortar around the base of the manhole cover. 4. In order to maintain the appearance of the manhole cover beautiful, clear lettering pattern, pay attention to protect the surface of the manhole cover when pouring cement, so as not to stain, can not be cleaned. 5. Timely open the manhole cover for cleaning to avoid mortar pouring the water grate and well seat into one, so as not to affect the future opening. Specification: Name: Recessed Manhole Cover/Manhole Lid/Invisible Sewage Basin Cover Material: Cast iron Shape: Round Color: Black Manhole cover inner diameter: 30cm/12in, 40cm/16in, 50cm/20in, 60cm/24in, 70cm/28in, 80cm/31in, Manhole cover outer diameter: 40cm/16in, 50cm/20in, 60cm/23in, 70cm/28in, 80cm/32in, 90cm/35in Height: 5 cm / 50 mm / 2 inch Load: 10 T/ 10000 kg/ 22046 lbs Applicable Scenarios: Home, yard, garden, basement, school, city sidewalk Package Content: 1 x Manhole Cover