Number of Days Lost given Severity Rate Solution

STEP 0: Pre-Calculation Summary
Formula Used
Lost Days = Injury Severity Rate*Man Hour/1000
Dl = Ri*Nmh/1000
This formula uses 3 Variables
Variables Used
Lost Days - Lost Days defines the umber of days lost due to injury occurred.
Injury Severity Rate - Injury Severity Rate defines the number of days lost time due to injury for 1000 man hours worked.
Man Hour - Man Hour is used to measure the efforts needed to complete a task. 1 man hour is work completed in an hour of uninterrupted effort by an average worker.
STEP 1: Convert Input(s) to Base Unit
Injury Severity Rate: 18 --> No Conversion Required
Man Hour: 2500 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Dl = Ri*Nmh/1000 --> 18*2500/1000
Evaluating ... ...
Dl = 45
STEP 3: Convert Result to Output's Unit
45 --> No Conversion Required
FINAL ANSWER
45 <-- Lost Days
(Calculation completed in 00.004 seconds)

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NSS College of Engineering (NSSCE), Palakkad
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8 Construction Safety Management Calculators

Injury Frequency Rate given Injury Index
Go Injury Frequency Rate = Injury Index*1000/(Number of Disabling Injuries*Injury Severity Rate)
Severity Rate given Injury Index
Go Injury Severity Rate = Injury Index*1000/(Number of Disabling Injuries*Injury Frequency Rate)
Injury Index
Go Injury Index = Injury Frequency Rate*Injury Severity Rate*Number of Disabling Injuries/1000
Number of Disabling Injuries given Frequency Rate
Go Number of Disabling Injuries = Injury Frequency Rate*Man Hour/100000
Number of Man-Hour Worked given Frequency Rate
Go Man Hour = Number of Disabling Injuries*100000/Injury Frequency Rate
Injury Frequency Rate
Go Injury Frequency Rate = Number of Disabling Injuries*100000/Man Hour
Number of Days Lost given Severity Rate
Go Lost Days = Injury Severity Rate*Man Hour/1000
Injury Severity Rate
Go Injury Severity Rate = Lost Days*1000/Man Hour

Number of Days Lost given Severity Rate Formula

Lost Days = Injury Severity Rate*Man Hour/1000
Dl = Ri*Nmh/1000

What are the Approaches to Improve Safety in Construction Field?

Many rules and recommendations have been laid down as the result of research by societies, organizations and institutions on how to improve safety. Recognizing the importance of safety performance, a contractor can approach the problem in four different ways.
1 Organizational approach
i. Safety departments
ii. Committee
iii. Field Procedures
iv. Incentives
v. Safety Cost
2 Physical Approach
3 Economic incentives
4 Behavioral Approach

What is Disabling Injury?

The disabling injury means an injury which causes a loss of working time beyond the term, shift or day during which the injury occurred. Thus injury-frequency rate denotes how frequently accidents occurred. Bat it does not take into account the time lost because of an injury.

How to Calculate Number of Days Lost given Severity Rate?

Number of Days Lost given Severity Rate calculator uses Lost Days = Injury Severity Rate*Man Hour/1000 to calculate the Lost Days, The Number of Days Lost given Severity Rate formula is defined as the total number of days lost due to injuries that occurred. Lost Days is denoted by Dl symbol.

How to calculate Number of Days Lost given Severity Rate using this online calculator? To use this online calculator for Number of Days Lost given Severity Rate, enter Injury Severity Rate (Ri) & Man Hour (Nmh) and hit the calculate button. Here is how the Number of Days Lost given Severity Rate calculation can be explained with given input values -> 45 = 18*2500/1000.

FAQ

What is Number of Days Lost given Severity Rate?
The Number of Days Lost given Severity Rate formula is defined as the total number of days lost due to injuries that occurred and is represented as Dl = Ri*Nmh/1000 or Lost Days = Injury Severity Rate*Man Hour/1000. Injury Severity Rate defines the number of days lost time due to injury for 1000 man hours worked & Man Hour is used to measure the efforts needed to complete a task. 1 man hour is work completed in an hour of uninterrupted effort by an average worker.
How to calculate Number of Days Lost given Severity Rate?
The Number of Days Lost given Severity Rate formula is defined as the total number of days lost due to injuries that occurred is calculated using Lost Days = Injury Severity Rate*Man Hour/1000. To calculate Number of Days Lost given Severity Rate, you need Injury Severity Rate (Ri) & Man Hour (Nmh). With our tool, you need to enter the respective value for Injury Severity Rate & Man Hour and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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