Manhole Trench Shields

MANHOLE SHIELDS

Manhole Trench Shields

Manhole Shields

Specially designed manhole trench shields (manhole trench box) allow your job to progress smoothly and safely. Pro-Tec Equipment’s manhole shields are designed and engineered to superior strength standards, using the same rugged design and materials used on the ProSeries line. They are available in 4″ single and double wall, octagonal and 4-sided as well as any special size to meet your job requirements.

Man 4 Series Increase production on manhole installation projects

Man 4 Series

Standard features

Industry’s first standard 4-point lift system
Full-length double top rail provides built-in “I” beam strength
Wrap-around wings
Professional Engineer Certified to meet or exceed O.S.H.A. requirements
On knife edge shields: the industry’s strongest knife edge
On flat bottom shields: full-length double bottom rail provides built-in “I” beam strength
Available in single and double wall models
Includes connected, 5” schedule 80 spreader pipe

Man 4 Series options

Foam filling – prevents soil and water buildup (on double wall shields)
Cutouts and replaceable doors
Stacking pockets
Custom sizes

Manhole shields – 4” Single Wall

Standard Metric

Height x Length x Width	Model	Weight**	Pipe Clearance	Shield Capacity*	Depth of Cut* B-Soils	Depth of Cut* C-60 Soils	Depth of Cut* C-80 Soils
ft		lbs	in	psf	ft	ft	ft
4 X 8 X 8	MAN 4-48 S	2700	24	1380	31	23	18
4 X 10 X 10	MAN 4-410 S	3000	24	1020	22	17	13
4 X 8 X 8	MAN 4-88 S	4200	48	1140	25	19	14
8 X 10 X 10	MAN 4-810 S	4900	48	780	16	13	11
8 X 12 X 12	MAN 4-812 S	5600	48	600	13	10	8

Height x Length x Width	Model	Weight**	Pipe Clearance	Shield Capacity*	Depth of Cut* B-Soils	Depth of Cut* C-60 Soils	Depth of Cut* C-80 Soils
meter		kg	mm	kPa	meter	meter	meter
1.22 X 2.44 X 2.44	MAN 4-48 S	1224.70	609.60	66.07	9.45	7.01	5.49
1.22 X 3.05 X 3.05	MAN 4-410 S	1360.78	609.60	48.84	6.71	5.18	3.96
1.22 X 2.44 X 2.44	MAN 4-88 S	1905.09	1219.20	54.58	7.62	5.79	4.27
2.44 X 3.05 X 3.05	MAN 4-810 S	2222.60	1219.20	37.35	4.88	3.96	3.35
2.44 X 3.66 X 3.66	MAN 4-812 S	2540.12	1219.20	28.73	3.96	3.05	2.44

Manhole shields – 4” Double Wall

Standard Metric

Height x Length x Width	Model	Weight**	Pipe Clearance	Shield Capacity*	Depth of Cut* B-Soils	Depth of Cut* C-60 Soils	Depth of Cut* C-80 Soils
ft		lbs	in	psf	ft	ft	ft
4 X 8 X 8	MAN 4-48	3100	24	3000	67	50	38
4 X 10 X 10	MAN 4-410	3600	24	2100	46	35	26
4 X 12 X 12	MAN 4-412	4200	24	2100	47	35	26
8 X 8 X 8	MAN 4-88	4990	48	2400	52	40	31
8 X 10 X 10	MAN 4-810	5890	48	2100	47	35	26
8 X 12 X 12	MAN 4-812	6750	48	1680	36	28	22
8 X 14 X 14	MAN 4-814	7700	48	1500	32	25	20

Height x Length x Width	Model	Weight**	Pipe Clearance	Shield Capacity*	Depth of Cut* B-Soils	Depth of Cut* C-60 Soils	Depth of Cut* C-80 Soils
meter		kg	mm	kPa	meter	meter	meter
1.22 X 2.44 X 2.44	MAN 4-48	1406.14	609.60	143.64	20.42	15.24	11.58
1.22 X 3.05 X 3.05	MAN 4-410	1632.93	609.60	100.55	14.02	10.67	7.92
1.22 X 3.66 X 3.66	MAN 4-412	1905.09	609.60	100.55	14.33	10.67	7.92
2.44 X 2.44 X 2.44	MAN 4-88	2263.42	1219.20	114.91	15.85	12.19	9.45
2.44 X 3.05 X 3.05	MAN 4-810	2671.66	1219.20	100.55	14.33	10.67	7.92
2.44 X 3.66 X 3.66	MAN 4-812	3061.75	1219.20	80.44	10.97	8.53	6.71
2.44 X 4.27 X 4.27	MAN 4-814	3492.66	1219.20	71.82	9.75	7.62	6.10

Octagon Manhole Shield Strong, safe and mobile

Octagon Manhole Shields

Pro-Tec Equipment’s Octagon Manhole Shield (OMH) combines the strength, durability and safety that is synonymous with a Pro-Tec Equipment trench shield with the mobility of a lightweight trench shield.

Standard features

Unique shape enables a potential savings of 3 cubic yards of fill
Single wall design
Professional Engineer
Certified to meet or exceed OSHA requirements
Stacking pockets
Lifting rings

Octagon Options

Trapezoidal cutouts and replaceable doors
Custom size

Octagon Manhole Shields

Standard Metric

Model	Shield Capacity*	Depth of cut* B-Soils	Depth of cut* C-60 Soils	Depth of cut* C-80 Soils	Height x Length x Width	Weight
	psf	ft	ft	ft	ft	lbs
OMH-488	1560	35	26	20	4 x 8 x 8	2450
OMH-41010	1380	31	23	17	4 x 10 x 10	3160
OMH-41212	1260	28	21	16	4 x 12 x 12	4100
OMH-688	1560	35	26	20	6 x 8 x 8	3500
OMH-61010	1380	31	23	17	6 x 10 x 10	4450
OMH-61212	1260	28	21	16	6 x 12 x 12	6290
OMH-888	1560	35	26	20	8 x 8 x 8	4400
OMH-81010	1380	31	23	17	8 x 10 x 10	5200
OMH-81212	1260	28	21	16	8 x 12 x 12	7000

Model	Shield Capacity*	Depth of cut* B-Soils	Depth of cut* C-60 Soils	Depth of cut* C-80 Soils	Height x Length x Width	Weight
	kPa	meter	meter	meter	meter	kg
OMH-488	74.69	10.67	7.92	6.10	1.22 x 2.44 x 2.44	1111.30
OMH-41010	66.07	9.45	7.01	5.18	1.22 x 3.05 x 3.05	1433.35
OMH-41212	60.33	8.53	6.40	4.88	1.22 x 3.66 x 3.66	1859.73
OMH-688	74.69	10.67	7.92	6.10	1.83 x 2.44 x 2.44	1587.57
OMH-61010	66.07	9.45	7.01	5.18	1.83 x 3.05 x 3.05	2018.48
OMH-61212	60.33	8.53	6.40	4.88	1.83 x 3.66 x 3.66	2853.09
OMH-888	74.69	10.67	7.92	6.10	2.44 x 2.44 x 2.44	1995.80
OMH-81010	66.07	9.45	7.01	5.18	2.44 x 3.05 x 3.05	2358.68
OMH-81212	60.33	8.53	6.40	4.88	2.44 x 3.66 x 3.66	3175.14

Pro-Corr Round Manhole Shield For lighter excavators and rubber-tired backhoes

Pro-Corr Round

Pro-Tec Equipment’s Round Manhole Shield (Pro-Corr) is designed to be used by lighter-duty excavators and rubber-tired backhoes.

Standard features

Stacking pockets
24” adjustable legs
Lifting eyes
Professional Engineer Certified to meet or exceed O.S.H.A. requirements

Pro-Corr options

Cutouts and replaceable doors
Custom sizes

Round Manhole Shields – 48″ tall

Standard Metric

Model	Outside Diameter	Shield Capacity*	Depth of Cut* B-Soils	Depth of Cut* C-60 Soils	Depth of Cut* C-80 Soils	3 Cutouts with Bolt On Doors	Weight
	in	psf	ft	ft	ft		lbs
PC-48	98	1920	43	32	24	–	960
PC-48.5	104	1920	43	32	24	–	1020
PC-410	122	1920	43	32	24	–	1200

Model	Outside Diameter	Shield Capacity*	Depth of Cut* B-Soils	Depth of Cut* C-60 Soils	Depth of Cut* C-80 Soils	3 Cutouts with Bolt On Doors	Weight
	mm	kPa	meter	meter	meter		kg
PC-48	2489.20	91.93	13.11	9.75	7.32	–	435.45
PC-48.5	2641.60	91.93	13.11	9.75	7.32	–	462.66
PC-410	3098.80	91.93	13.11	9.75	7.32	–	544.31

Round Manhole Shields – 96″ tall

Standard Metric

Model	Outside Diameter	Shield Capacity*	Depth of Cut* B-Soils	Depth of Cut* C-60 Soils	Depth of Cut* C-80 Soils	3 Cutouts with Bolt On Doors	Weight
	in	psf	ft	ft	ft	in	lbs
PC-88	98	1920	43	32	24	–	1600
PC-48.5	104	1920	43	32	24	–	1715
PC-810	122	1920	43	32	24	–	2030
PC-88 CU	98	1920	43	32	24	–	2300
PC-88.5 CU	104	1920	43	32	24	40”/40”/24”	2420
PC-810 CU	122	1920	43	32	24	40”/40”/24”	2775

Model	Outside Diameter	Shield Capacity*	Depth of Cut* B-Soils	Depth of Cut* C-60 Soils	Depth of Cut* C-80 Soils	3 Cutouts with Bolt On Doors	Weight
	mm	kPa	meter	meter	meter	mm	kg
PC-88	2489.20	91.93	13.11	9.75	7.32	–	725.75
PC-48.5	2641.60	91.93	13.11	9.75	7.32	–	777.91
PC-810	3098.80	91.93	13.11	9.75	7.32	–	920.79
PC-88 CU	2489.20	91.93	13.11	9.75	7.32	–	1043.26
PC-88.5 CU	2641.60	91.93	13.11	9.75	7.32	40”/40”/24”	1097.69
PC-810 CU	3098.80	91.93	13.11	9.75	7.32	40”/40”/24”	1258.72

4-Sided Manhole Shields Complete protection on all sides

4-Sided Manhole Shields (Tap Boxes)

Pro-Tec Equipment’s 4-Sided Manhole Shields (tap boxes) are available in 3” and 4” sidewalls and are designed to allow complete protection on all sides.

Standard features

Industry’s first standard 4-point lift system
Full-length double top rail provides built-in “I” beam strength
Professional Engineer Certified to meet or exceed O.S.H.A. requirements
On knife edge shields: the industry’s strongest knife edge
On flat bottom shields: full-length double bottom rail provides built-in “I” beam strength

4-sided options

Foam filling – prevents soil and water buildup
Cutouts and replaceable doors
Stacking pockets
Custom sizes

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Why Pro-Tec Equipment

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.

Pro-Tec Equipment

Pro-Tec Equipment

Manhole Trench Shields

MANHOLE SHIELDS