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Saturday, July 05, 2008

CONCRETE BREAKING PRODUCTIVITY CHART
Tips on breaking

CONCRETE SLABS

Thickness Sq Feet / Hour Sq Meters / Hour

4" - (102mm)
6" - (152mm)
8" - (203mm)
10" - (254mm)
12" - (305mm)
20" - (508mm)

8,100 to 11,700
5,400 to 7,200
4,050 to 4,950
3,150 to 4,500
1,350 to 2,700
430 to 550

750 to 1,090
500 to 670
375 to 460
290 to 420
125 to 250
40 to 50

Information listed in this CONCRETE BREAKING PRODUCTIVITY CHART was gathered from many years of operational experience and confirmed by recent nationwide surveys.  This data is a guide to determining average concrete breaking production for a specified thickness.  A number of factors must be taken into consideration:  age and composition of the concrete, rebar, hardeners and type of aggregate used.

COMPACTION IN NARROW PLACES 

- Layers of 3ft to 6ft at 95% to 100% efficiency
Applications include: Foundations & Trenches.

 

Backfill:

 Cu Yards / Hour  Cu Meters / Hour
Cohesive soils  46 42
Well Graded Granular Soils 22 20
Uniformly Graded Backfill 17 15.5

TRENCH CUTTING

Asphalt Thickness 4"
(10cm)		 6"
(15cm)		 8"
(20cm)		 10"
(25.4cm)		 12"
(30.5cm)		 14"
(35.5cm)
Linear Feet/Hour
(Meters)/Hour		 225'
(68m)		 210'
(64m)		 195'
(60m)		 180'
(55m)		 165'
(50m)		 150'
(46m)

 

Note: Arrow-Master Incorporated has a policy of continuous product research and improvement, and reserves the right to change design and specifications without notice.