High Clearance Arches

High Clearance Arches

High Clearance Arches

Pro-Tec Equipment has three models of High Clearance Arches designed to meet the different requirements of a wide range of projects. The High Clearance Arch is designed to provide up to 10 feet of vertical clearance, the Ultra High Clearance Arch is designed to provide maximum vertical pipe clearance of up to 14 feet of vertical clearance when using a 10-foot-tall bottom shield, and the Pipeline High Clearance Arch, designed to be used with the Pro-Tec Equipment Pal3 trench shields, providing 6' of vertical clearance, while still keeping the overall weight of the system manageable to be used with a smaller excavator.

Standard High Clearance Arch Clearance for large diameter pipe, etc.

TM Large-Diameter-pipe-vaults

High Clearance Arch

The Pro-Tec Equipment Standard High Clearance Arch is designed to allow enough clearance for large diameter pipe vaults, boring pits and other applications.

  • Provides 10 feet of vertical clearance when used on a 10’ tall trench shield
  • Provides 8 feet of vertical clearance when used on an 8’ tall trench shield
  • Designed to fit on all 8- and 10-foot tall Pro Series trench shields
  • Full range of bolt-on extensions to provide up to 20’ of internal width
  • Professional Engineer Certified to meet or exceed O.S.H.A. requirements
DiagramNarrow

High Clearance Arch

Standard Metric
Model Length Description Weight
ft lbs
HC-ARCH 3 (2) Arch Legs 2800
EX-12 1 Bolt-on Extension 660
EX-24 2 Bolt-on Extension 820
EX-36 3 Bolt-on Extension 980
EX-48 4 Bolt-on Extension 1180
EX-60 5 Bolt-on Extension 1390
EX-72 6 Bolt-on Extension 1500
EX-84 7 Bolt-on Extension 1660
EX-96 8 Bolt-on Extension 1820
EX-108 9 Bolt-on Extension 1960
EX-120 10 Bolt-on Extension 2080
EX-132 11 Bolt-on Extension 2240
EX-144 12 Bolt-on Extension 2390
EX-156 13 Bolt-on Extension 2550
EX-168 14 Bolt-on Extension 2720
EX-180 15 Bolt-on Extension 2880
EX-192 16 Bolt-on Extension 3040
EX-204 17 Bolt-on Extension 3190

Ultra High Clearance Arch Maximum vertical pipe clearance

Ultra-HCA- 2 -copy

Ultra High Clearance Arch

Pro-Tec Equipment’s Ultra High Clearance Arch is designed for those projects that require maximum vertical pipe clearance. The Ultra High Clearance Arch is designed to incorporate two stacked trench shields (the top shield inverted) to achieve the desired clearance.

  • Provides 14 feet of vertical clearance when using a 10’ tall bottom shield
  • Provides 12 feet of vertical clearance when using an 8’ tall bottom shield
  • Designed to fit 8 and 10 foot tall Pro 6 and Pro 8 trench shields
  • Full range of bolt-on extension to provide up to 20’ of internal width
  • Professional Engineer Certified to meet or exceed O.S.H.A. requirements
DiagramNarrow High Arch

Ultra High Clearance Arch

Standard Metric
Model Length Description Weight
ft lbs
Ultra HC-ARCH 4 (2) Arch legs 5860
U-EX-12 1 Bolt-on Extension 900
U-EX-24 2 Bolt-on Extension 1260
U-EX-36 3 Bolt-on Extension 1430
U-EX-48 4 Bolt-on Extension 1820
U-EX-60 5 Bolt-on Extension 2270
U-EX-72 6 Bolt-on Extension 2180
U-EX-84 7 Bolt-on Extension 2490
U-EX-96 8 Bolt-on Extension 2690
U-EX-108 9 Bolt-on Extension 2880
U-EX-120 10 Bolt-on Extension 3100
U-EX-132 11 Bolt-on Extension 3350
U-EX-144 12 Bolt-on Extension 3540
U-EX-156 13 Bolt-on Extension 3950
U-EX-168 14 Bolt-on Extension 4180
U-EX-180 15 Bolt-on Extension 4560
U-EX-192 16 Bolt-on Extension 4860

Pipeline High Clearance Arch Extra Clearance using Light-weight Trench Shields

Pal 3 Trench Box Pipe Line Arch  4

Pipeline High Clearance Arches

The Pro-Tec Equipment Pipeline High Clearance Arch is designed to allow enough clearance for large diameter pipe vaults, boring pits, as well as providing pipeline crews with the desired amount of clearance to work on joints, all while using our Pal3, 8' tall trench boxes, keeping the overall weight of the system to an absolute minimum.

  • Provides 6 feet (72") of vertical clearance when used on an 8’ tall trench shield
  • Designed to fit 8' tall Pal-3 Trench Shields 
  • Full range of bolt-on extensions to provide up to 12’ of internal width
  • Professional Engineer Certified to meet or exceed O.S.H.A. requirements

Pipeline (Pal) High Clearance Arch

Standard Metric
Moedel Length Description Weight
in lbs
HC-Pal-Arch 12 24" Wide legs 400
HCA-ALS-EX-12 12 Bolt on Extension 80
HCA-ALS-EX-18 18 Bolt on Extension 100
HCA-ALS-EX-24 24 Bolt on Extension 110
HCA-ALS-EX-30 30 Bolt on Extension 130
HCA-ALS-EX-36 36 Bolt on Extension 150
HCA-ALS-EX-42 42 Bolt on Extension 160
HCA-ALS-EX-48 48 Bolt on Extension 180
HCA-ALS-EX-54 54 Bolt on Extension 190
HCA-ALS-EX-60 60 Bolt on Extension 210
HCA-ALS-EX-66 66 Bolt on Extension 230
HCA-ALS-EX-72 72 Bolt on Extension 240
HCA-ALS-EX-78 78 Bolt on Extension 260
HCA-ALS-EX-84 84 Bolt on Extension 270
HCA-ALS-EX-90 90 Bolt on Extension 290
HCA-ALS-EX-96 96 Bolt on Extension 310

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Why Pro-Tec Equipment

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Pro-Tec Equipment is designed with superior quality, safety, dependability and durability in mind. We have continued to expand our range of equipment and services to ensure you, our customer, have what you need to meet the constant challenges you face at the worksite. Your success is our success.

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*PSF (pounds per square foot) ratings indicate maximum shield capacities. Depths are based on B, C and C-80 soil types as described in OSHA's 29 CFR Part 1926 Subpart P, October 31, 1989 with Type B not exceeding 45 PSF per foot of depth, Type C not exceeding 60 PSF per foot of depth and Type C-80 not exceeding 80 PSF per foot of depth. Determine actual soil pressure and consult manufacturers Tabulated Data prior to each use.

Job site photos are strictly intended for general product information only and may not comply with all applicable safety standards. Always refer to manufacturers’ serialized specific tabulated data, O.S.H.A. 29 CFR 1926 Subpart P for excavations and all applicable safety standards prior to each use.