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5. PROJECT MANAGEMENT

5.6. Construction Schedule

5.6.2. Activity on Node Final Approach

Now with the usage of Work Breakdown Structure, it is possible to create the first view of project scheduling. The important thing here is that now it is required to find the golden middle among all requirements such that with the usage of reasonable amount of sources, budget and scope to finish the project on time without any delay.

Figure 5. 6. Activity Diagram A-Site Investigation

B-Site Preparation

C-Foundation Installation D- Fitting of the Steel

E- Concrete Pouring of the Floors F-Construction of the Roof

G-Windows and Doors Installation H-Exterior Sheathing Installation I-Plumbing Installation

J-Electricity Installation K-Elevator Installation

L-Heating Pipes and Ventilation Installation M-Finishing Works inside the building N-Internal Masonry Work

O-Landscape Construction P-Finishing of the Whole Project

117

According to our research and data taken during the interview with Leading Project Engineer from Highvill company, whose name is Temirhan Yerzhanov, we collected some information related to the duration of activities mentioned above. Thus, we have following data:

Table 5. 7. Durations of activities

Activity Duration

Site Investigation

Total- 12 days

Surveying 5 days

Soil Analysis 7 days

Site Preparation

Total-22 days

Temporary Power Installation 2 days

Temporary Water Supply Installation 2 days

Temporary Fence Construction 2 days

Temporary PCC Construction 1 day

Site Cleaning and Grub 5 days

Rough Grading of the Site 10 days

Final Grading of the Site 5 days

Temporary Fire Protection System Installation 5 days Foundation Installation

Total-63 days

Drilling of holes 10 days

Hole preparation 3 days

Driving of pile foundation 30 days

Formation of fence for Cap pouring 2 days

Pouring and Curing of the concrete 18 days

Fitting of the Steel

Total-65 days Building of Columns and Beams for 1st,2nd,3rd floors 10 days Building of Columns and Beams for 4th,5th,6th floors 15 days Building of Columns and Beams for 7th,8th,9th floors 20days

118

Building of Columns and Beams for 10th,11th,12th floors 20 days

Concrete Pouring of the Floors

Total-188 days 1. 1st,2nd,3rd floor Pouring

Total-35 days 1.1 Formation of the fence for the 1st.2nd and 3rd floors 10 days 1.2 Rebar and utilities installation for the 1st,2nd and 3rd floors 10 days 1.3 Pouring and Curing of the 1st,2nd and 3rd floors 15 days 2. 4th,5th,6th floor Pouring

Total-40 days 2.1 Formation of the fence for the 4th,5th and 6th floors 10 days 2.2 Rebar and utilities installation for the 4th,5th and 6th floors 12 days 2.3 Pouring and Curing of the 4th,5th and 6th floors 18 days 3 7th,8th,9th floor Pouring

Total-45 days 3.1 Formation of the fence for the 7th,8th,9th floors 10 days 3.2 Rebar and utilities installation for the 7th,8th,9th floor 12 days 3.3 Pouring and Curing of the 7th,8th,9th floors 23 days 4.10th,11th,12th floor Pouring

Total-50 days 4.1 Formation of the fence for the 10th,11th,12th floors 10 days 4.2 Rebar and utilities installation for the 10th,11th,12th floors 15 days 4.3 Pouring and Curing of the 10th, 11th, 12th floors 25 days

5. Pouring and Curing of the Roof 18 days

Exterior Sheathing Installation 50 days

Internal Mansonry Work

Total- 60 days

Gesso of the Walls 50 days

Tiling of the restrooms, kitchen 25 days

Painting of the Walls 60 days

Floors and Ceilings Installation 60 days

Construction of the Roof

Total-31 days

119

Roof Drains Installation 4 days

Pouring and Curing of the roof fill 7 days

Finishing Work of the Roof 20 days

Windows and Doors Installation 30 days

Windows Installation 30 days

Interior Doors Installation 20 days

Main Entrance Installation 10 days

Elevators Installation

Total-30 days Installation of the elevator equipment inside the pit 25 days Installation of the elevator doors on each floor 10 days

Elevator Testing and Setting 5 days

Plumbing Installation

Total-65 days Installation of the pipes and valves including seqge and fire hoses 60 days

Plumbing Testing and Setting 5 days

Electricity Installation

Total-50 days Setting of the wires and installation of transformers 30 days

Installation of sockets and lamps 20 days

Installation of electrical devices like air conditioning 30 days

Heating Pipes and Ventilation Installation

Total-55 days

Installation of the pipes 40 days

Construction of drywall walls covering the pipes 10 days

Setting of ventilation equipment 20 days

Testing and Fitting 5 days

Finishing Works inside the Building

Total-72 days

Finishing of residual trim work 20 days

Rough Cleaning of the Building 7 days

Final Cleaning of the Building 15 days

Furniture Installation 30 days

120 Landscape Construction

Total-56 days

1. Site Cleaning 5 days

2. Compaction of the Soil around the building 10 days 3. Fence Construction

Total-29 days 3.1 Remove of temporary Fence around the hotel area 1 day 3.2 Excavation of the Soil for Fence Fundament 1 day

3.3 Pouring and Curing of Fence Fundament 7 days

3.4 Construction of the fence from the brick 15 days

3.5 Gate Installation 5 days

4. PCC Installation, Special booth constructed on the factory 1 day 5. Fountain Installation

Total-12 days

5.1 Plumbing Installation Total-1 day

5.1.1 Excavation of the Soil for Fence Fundament

1 day 5.1.2 Pipes Installation

5.1.3 Pipes Burying

5.2 Construction of the fountain structure

Total-11 days 5.2.1 Excavation of the Soil for Fence Fundament 1 day 5.2.2 Formation of fence for fountain walls pouring 1 day

5.2.3 Installation of rebar and pipes 1 day

5.2.4 Pouring and Curing of fountain 7 days

5.2.5 Sheathing of the fountain surface by decorative rock 1 day

5.3 Testing and Setting 1 day

6. Pavers Path Construction

Total-22 days 6.1Construction of paths borders

Total- 10days

6.1.1 Excavation of Soil 1 day

6.1.2 Formation of fence for borders pouring 2 days

6.1.3 Pouring and Curing of Borders 7 days

121

6.2 Soil Grading 2 days

6.3Construction of Pathways from the pavers 10 days

7. Asphalt Covering

Total-12 days

7.1 Soil Compaction,Accurate Grading 7 days

7.2 Pavement Construction 5 days

8. Barriers,Car Signs and Speed Bumps Installation 1 day

9. Drawing of Street Parking 1 day

10. Lamp Posts Installation

Total-12 days

10.1 Lamp Posts Electricity Installation Total-1 day

10.1.1 Soil Excavation

1 day 10.1.2 Cables Installation

10.1.3 Cables Burying

10.2 Lamp Posts Construction

Total-11 days

10.2.1 Soil Excavation 1 day

10.2.2 Piers Installation 1 day

10.2.3 Pouring and Curing of Lamps Posts Fundament 7 days

10.2.4 Lamps Post fitting 2 days

Finishing Works of the whole Project

Total-5 days Remove of Temporary Power Supply, Water Supply and PCC

Construction 2 days

Outside Area Cleaning 5 days

Important to mention here is that Total durations of main activities were calculated in account of the fact that their sub-activities overlaps each other.

Figure 5. 7. AON diagram data Activitiy Duration ES (Early

Start)

EF (Early Finish)

LS (Late Start)

LF (Late Finish)

TF(Total Float)

A-Site Investigation 12 days 0 12 0 12 0

122

B-Site Preparation 22 days 12 34 12 34 0

C-Foundation

Installation 63 days 34 97 34 97 0

D- Fitting of the Steel 65 days 97 162 230 295 133

E- Concrete Pouring of the Floors

188

days 107 295 107 295 0

F-Construction of the

Roof 31 days 295 326 295 326 0

G-Windows and Doors

Installation 30 days 326 356 326 356 0

H-Exterior Sheathing

Installation 50 days 356 406 446 496 90

I-Plumbing Installation 65 days 356 421 371 436 15

J-Electricity Installation 50 days 356 406 356 406 0

K-Elevator Installation 30 days 406 436 406 436 0

L-Heating Pipes and

Ventilation Installation 55 days 356 411 381 436 25

M-Finishing Works

inside the building 72 days 496 568 496 568 0

N-Internal Masonry

Work 60 days 436 496 436 496 0

O-Landscape

Construction 56 days 496 552 507 563 11

P-Finishing of the

Whole Project 5 day 552 557 563 568 11

Now with the proper data, we can find critical path of the project and calculate its duration. Thus, Critical Path of the Project is A, B, C, E, F, G, J, K, N, M and the duration of the project is 568 days.