Two Parts of Our Project

Part 1 :(Project Time Management)Part 1 :(Project Time Management)

Preparing a theoretical research (The relation Preparing a theoretical research (The relation between Time , Cost and Quality also PERT between Time , Cost and Quality also PERT analysis )analysis )

Part 2 : Apply all the principles that mentioned inPart 2 : Apply all the principles that mentioned in

part 1 on a real construction projectpart 1 on a real construction project . .

Project Description

Iktaba Comprehensive Activity Center is Iktaba Comprehensive Activity Center is located in Iktaba Village at Tulkarem City.located in Iktaba Village at Tulkarem City.

The center consist of 3 Floors contains : Hall The center consist of 3 Floors contains : Hall Meeting, Multi Purpose Hall, Training area and Meeting, Multi Purpose Hall, Training area and Head master and Secretarial offices. Head master and Secretarial offices.

Project Description

Assumptions:Assumptions: Price Assumption= 1$= 3.5 Shekles.Price Assumption= 1$= 3.5 Shekles. Mechanical and Electrical Works Assumption=Mechanical and Electrical Works Assumption=

7% of total cost of the project.7% of total cost of the project. Profit Assumption= 12% of total cost of project.Profit Assumption= 12% of total cost of project. Overhead cost assumption= 8% of total cost of Overhead cost assumption= 8% of total cost of

project.project.

WBS

Objectives

Apply the Principles of Part 1 at a real project to Apply the Principles of Part 1 at a real project to give us a better understanding of many issues and to give us a better understanding of many issues and to get some experience in construction management.get some experience in construction management.

Solving engineering Problems in this construction Solving engineering Problems in this construction project to achieve economic and safety factors.project to achieve economic and safety factors.

To highlight the impact of delaying project to avoid To highlight the impact of delaying project to avoid liquidated damages and to meet the dead line. liquidated damages and to meet the dead line.

Methodology

Study Case

The owener wants from the contractor to submit The owener wants from the contractor to submit the project in 210 calendar day, and any delay the project in 210 calendar day, and any delay will cost the contractor 150$/day.will cost the contractor 150$/day.

In order to meet the deadline we have to make In order to meet the deadline we have to make a check on the probability factor, and this a check on the probability factor, and this depend upon the safety of the structure, by depend upon the safety of the structure, by making a check on all Structural elements making a check on all Structural elements

(Slabs, Beams, Columns, Footings) (Slabs, Beams, Columns, Footings)

Study case (cont.)

After we analyzed the structural elements by After we analyzed the structural elements by SAPSAP we found there is problem in the footings we found there is problem in the footings design and so we made anew design for the design and so we made anew design for the footings.footings.

The old design isThe old design is

Study case (cont.)

The new design is :The new design is :

The New design is increased by 11% from theThe New design is increased by 11% from the old one, which is equal to 664$ .old one, which is equal to 664$ .

We have anew type of footings (F4). Although it We have anew type of footings (F4). Although it has same column dimensions like (F1), but it has same column dimensions like (F1), but it has high service load. has high service load.

Study case (cont.)

Other structural elements were SafeOther structural elements were Safe

( Columns, Slabs and Beams)( Columns, Slabs and Beams)

The three types of durations (Optimistic, Most The three types of durations (Optimistic, Most likely, Pessimistic).likely, Pessimistic).

Optimistic: (aOptimistic: (a) the shortest possible time in which the activity can ) the shortest possible time in which the activity can be completed in ideal conditions. be completed in ideal conditions. Most Most LikelyLikely:(m) Every things go in normal way.:(m) Every things go in normal way.

PessimisticPessimistic:(b) Max. possible time if there is wrong and up normal:(b) Max. possible time if there is wrong and up normal situation. situation.

Study case (cont.)

• The expected time for activity gives by : The expected time for activity gives by :

Study case (cont.)We input activities with its description, expected time (Te), We input activities with its description, expected time (Te), resources and costsresources and costs..

Study case (cont.)

::AnalysisAnalysis

- -Probability to meet the dead lineProbability to meet the dead line::

Study case (cont.)

Variance for each activity:Variance for each activity:

Mean: Project duration from Primavera Mean: Project duration from Primavera

= =206206 calendar day =172 Working daycalendar day =172 Working day Total Variance= Sum of variances of durations Total Variance= Sum of variances of durations

for activity on critical path= 5.88 days.for activity on critical path= 5.88 days. The dead line from ownerThe dead line from owner

= =210210 calendar day = 175 working daycalendar day = 175 working day . .

Study case (cont.)

Probability factor Probability factor

D = 175 daysD = 175 days

End = 172 dayEnd = 172 day

S.d.= 2.42487S.d.= 2.42487..

Z = 1.237 using Normal distribution tableZ = 1.237 using Normal distribution table

Pr (Z<1.237)= 0.8925.Pr (Z<1.237)= 0.8925.

The probability to completing the project = The probability to completing the project = 89.3%89.3%

Results

Project duration = 206 calendar dayProject duration = 206 calendar day Cost/day = 1300 $Cost/day = 1300 $

Total Project cost= 268,539 $Total Project cost= 268,539 $ Price per meter= 356.7$Price per meter= 356.7$

Result (cont.)

Cost distribution : Cost distribution :

Conclusion

According to the golden triangle ( Time, Cost , According to the golden triangle ( Time, Cost , Quality ) , saving 4 calendar days reduced the Quality ) , saving 4 calendar days reduced the total project cost by 4000 $ with high quality .total project cost by 4000 $ with high quality .

The probability to meet the dead line is 89.3% The probability to meet the dead line is 89.3% which good scheduling and that’s a good which good scheduling and that’s a good percent to complete the project in specific time percent to complete the project in specific time