Content :-
- Section One :- SHOP FABRICATION OF PIPE AND FITTINGS
- Section Two :- FIELD FABRICATION AND ERECTION
- Section Three :- ALLOY AND NON-FERROUS FABRICATION
- Section Four :- PNEUMATIC MECHANICAL INSTRUMENTATION
- Section Five :- UNDERGROUND PIPING
- Section Six :- HANGERS AND SUPPORTS
- Section Seven :- PAINTING
- Section Eight :- PATENT SCAFFOLDING
- Section Nine :- INSULATION
- Section Ten :- SAMPLE ESTIMATE
- Section Eleven :-TECHNICAL INFORMATION.
INTRODUCTION
Production and Composite Bate
This is the golden key that unlocks the gate to the wealth of process pipe estimating information that follows. The most important area to be considered before calculating labor dollars is productivity efficiency. This is a must if the many man-hour tables that follow are to be correctly applied. Productivity efficiency in conjunction with the production elements must be considered for each individual project.
I have found after comparing many projects that production percentages can be classified into five categories and the production elements can be grouped into six different classifications.
The six different classes of production elements are:
1. General economy
2. Project supervision
3. Labor relations
4. Job conditions
5. Equipment
6. Weather
The five ranges of productivity efficiency percentages are:
Type and Percentage Range
1. Very Low 10-40
2. Low 41-60
3. Average 61-80
4. Very Good 81-90
5. Excellent 91-100
Although you may agree with the ranges described here, you may still wonder with such a wide percentage range how to determine a definite percentage. To illustrate how simply this is done we will evaluate each of the six elements and give an example with each.
The six different classes of production elements are:
1. General economy
2. Project supervision
3. Labor relations
4. Job conditions
5. Equipment
6. Weather
The five ranges of productivity efficiency percentages are:
Type and Percentage Range
1. Very Low 10-40
2. Low 41-60
3. Average 61-80
4. Very Good 81-90
5. Excellent 91-100
Although you may agree with the ranges described here, you may still wonder with such a wide percentage range how to determine a definite percentage. To illustrate how simply this is done we will evaluate each of the six elements and give an example with each.
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