TYPICAL HD/EHD SQUARE TYPE MANHOLE COVER (All dimensions in millimeters)

O = 560 O¹ = 560 F = 830 F¹ = 830 f = 680 f¹ = 680 fd = 145 fd = 130 S = 60 t = 15 t¹ = 20 C = 668 C¹= 668 T = 30 T¹ = 15 c¹= 6 (cle.)

Code : 1

Code : 2

O = 400 f = 500 S = 50 C¹= 490 O¹= 400 f¹= 500 t = 10 T = 10 F = 600 Fd  = 40 t¹ =10 t¹ =5 F¹= 600 fd = 40 C = 490 C¹=5 (cle.)

Code : 3

Manhole Covers and Frames Code : 4	Manhole Covers and Frames Code : 5
Manhole Covers and Frames Code : 6	Manhole Covers and Frames Code : 7

Manhole Covers and Frames
Code : 8