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The cornerstone to accurate estimating is in the calculation of true cost and an accurate production rate.

Unit Cost = (Fixed Cost / Output) + Variable Cost

Production Rates Repository

 

Excavate and Remove

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Task / Description Slow   Ave   Fast    Units
 Excavate Spoil Heaps to Transport, 0.6m3 bucket, Sand/Soil 14.5  20.0  25.6   m3/hr
 Excavate Spoil Heaps to Transport, 0.6m3 bucket, Gravel Beds 15.2  20.4  25.6   m3/hr
 Excavate Spoil Heaps to Transport, 0.6m3 bucket, Clay/Chalk 12.3  18.5  23.2   m3/hr
 Excavate Spoil Heaps to Transport, 0.6m3 bucket, Boulder Clay 11.2  16.9  21.3   m3/hr
 Excavate Spoil Heaps to Transport, 1.1m3 bucket, Sand/Soil 25.4  30.3  35.7   m3/hr
 Excavate Spoil Heaps to Transport, 1.1m3 bucket, Gravel Beds 25.6  31.3  37.0   m3/hr
 Excavate Spoil Heaps to Transport, 1.1m3 bucket, Clay/Chalk 22.5  27.8  33.3   m3/hr
 Excavate Spoil Heaps to Transport, 1.1m3 bucket, Boulder Clay 18.9  24.4  30.3   m3/hr
 Load Spoil to Barge, capacity 2,000m3 -   8.0  -    hrs
 Load Spoil to Barge, capacity 1,500m3 -   6.5  -    hrs
 Load Spoil to Barge, capacity 1,000m3 -   5.5  -    hrs
 Spoil conveyor, 600mm belt, 150m/min -   260.0  -    m3/hr


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Date Mon 03/19/2007 @ 02:07
Author SuperUser Account
EMail gush@win.co.nz

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Concrete Road surfacing

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Task / Description Slow   Ave   Fast    Units
 Concrete Road surfacing, Kerbs or Side Haunches -   0.4  -    m3/hr
 Concrete Road surfacing, 150mm thick -   12.5  -    m2/hr
 Concrete Road surfacing, 200mm thick -   7.7  -    m2/hr
 Concrete Road surfacing, 300mm thick -   6.7  -    m2/hr


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Date Sat 09/16/2006 @ 09:58
Author SuperUser Account
EMail gush@win.co.nz

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Basecourse Production Rates

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We have found these production rates a good rule of thumb for the construction of Basecourse

 

Urban environment:

 

Spread & Compact Production = 30m3/hr

Trimming Production = 250m2/hr

 

Rural environment:

 

Spread & Compact Production = 50m3/hr

Trimming Production = 350m2/hr



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Date Tue 06/27/2006 @ 03:39
Author SuperUser Account
EMail gush@win.co.nz

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Working Platforms

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Task / Description Slow   Ave   Fast    Units
 Metal KwikStage, 5 Boards with 2m lifts 11.1  11.9  12.5   m run/hr
 Metal KwikStage, 5 Boards with 3m lifts 9.1  10.0  10.5   m run/hr
 Metal KwikStage, House Scaffold with 3 lifts 2.8  3.2  3.8   m run/hr
 Metal Tube and Fittings, 5-6 Boards wide 3.2  3.7  4.6   m run/hr
 Tube and Fitting Platforms, 50-250m3 10.6  12.5  18.5   m3/hr
 Tube and Fitting Platforms, 250-1000m3 18.5  22.5  24.5   m3/hr
 Tube and Fitting Platforms, over 1000m3 24.5  30.0  33.5   m3/hr
 Tube and Fitting Platforms, striking -   200.0  -    % x erect


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Date Fri 06/23/2006 @ 02:06
Author SuperUser Account
EMail gush@win.co.nz

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Waterproofing

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Task / Description Slow   Ave   Fast    Units
 Asphalt coatings, horizontal surfaces 3.5  4.2  5.8   m2/hr
 Asphalt coatings, vertical surfaces 1.2  1.7  2.2   m2/hr
 Bituminous Brushed application, 2 coats 4.8  5.0  6.3   m2/hr
 Bituminous Brushed application, 3 coats 3.3  3.5  4.4   m2/hr
 Bituminous Sheets, horizontal surfaces 3.8  4.0  4.8   m2/hr
 Bituminous Sheets, vertical surfaces 3.3  3.5  4.2   m2/hr
 Polythene Sheets, horizontal surfaces -   20.0  -    m2/hr
 Bentonite Sheets, horizontal surfaces 18.7  25.0  31.3   m2/hr
 Bentonite Sheets, vertical surfaces 11.2  15.0  17.3   m2/hr
 Epoxy Based application, 1 coat -   75.0  -    m2/hr
 Epoxy Based application, 2 coat -   38.0  -    m2/hr


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Date Fri 06/23/2006 @ 02:05
Author SuperUser Account
EMail gush@win.co.nz

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