4" Single & Double Wall Steel Manhole Shields
SMHB4 Steel Manhole Shields are designed for manhole installations and other 4-sided trench shielding applications.


Wrap Around Ends

  • T-connection cut-out
  • Foam filled panels
  • Pushing blocks
  • Additional stacking pockets & pins
  • Spreader Options:
    4" Schedule 40
    6" Schedule 80 (Standard)

 
4-Inch Steel Single Wall Shields
Model
HtxLg		  Shield 
Weight		 Pipe    Clearance Shield   Capacity  Soil Depth
(ft.) (lbs.) (in.) (psf)  B C-60
SMHB4S 4X8 2,870 23 1170 26 20
SMHB4S 4X10 3,210 23 1200 27 20
SMHB4S 8X8 4,900 52 840 19 14
SMHB4S 8X10 5,370 52 660 15 11
SMHB4S 8X12 5,940 52 600 13 10
SMHB4S 8X14 6,410 52 540 12 9
SMHB4S 8X16 6,980 52 480 11 8
4-Inch Steel Double Wall Shields
Model
HtxLg		  Shield 
Weight		 Pipe    Clearance Shield   Capacity  Soil Depth
(ft.) (lbs.) (in.) (psf)  B C-60
SMHB4D 4X10 3,610 23 2040 45 34
SMHB4D 4X12 4,710 23 1830 41 31
SMHB4D 8X8 5,360 52 2040 45 34
SMHB4D 8X10 6,090 52 1830 41 31
SMHB4D 8X12 7,200 52 1560 35 26
SMHB4D 8X14 7,860 52 1320 29 22
SMHB4D 8X16 8,660 52 1200 27 20

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