MBEYA UNIVERSITY OF SCIENCE AND TECHNOLOGY

COLLEGE OF ENGINEERING AND TECHNOLOGY(CET)DEPARTMENT OF ENERGY AND PRODUCTION (EPE)

MECHANICAL ENGINEERING 7B EVENING PROGRAMEMODULE:SYSTEM RELIABILITY AND PLANT MAINTANANCE.

TASK: ASSIGNMENT

PRESENTER

Venance AmosiAdmission number B31521071

2016/17

Task :Make a risk assesment on Construction of commercial building

A commercial building is a building that is used for commercial use. Types can include office buildings, warehouses, or retail (i.e. convenience stores, 'big box' stores, shopping malls, etc.). In urban locations, a commercial building often combines functions, such as an office on levels 2-10, with retail on floor 1.

Activities to be performed• Construction area barricaded.• Collection of building materials.• Collection of building tools.• Excavation of building foundation.• Starting construction.• Election of scaffolding.• Material handling from the ground to top floor• Roofing activites.

Activities to be performed cont..• wiring

• Finishing activites (plastering, painting,sealing board )

RISK ASSESMENT;

TASK HAZARDS L S R CONTROL MEASURES

L S R ADD IDEA

1.BarricadeConstruction area

-Sharp iron sheet-nails

2

2

2

2

4

4

-use full PPE 1

1

2

2

2

2

Use reflector

2.Collection of building materials

-ergonomics

-sharp edges

-tripping

-dust

-manual lifting

2

2

2

2

2

3

2

2

2

3

6

4

4

4

6

-Use handling equipments(fork lift, pick up,

-be wear when walking

-use dust mask

-proper lifting technique

1

1

1

1

1

3

2

2

2

2

3

2

2

2

2

Is the area safe?

Barricaded area

Be aware during barrication using high visibility tapes

RISK ASSESMENT;TASK HAZARDS

L S R CONTROL MEASURES

L S R ADD IDEA

3.Collection of building tools

Pinch point

2 2 4 Use leather gloves 1 2 2 Resistance cut gloves

4.Foundation excavation

-Dust

-vibration

-noise

congestion of workers

2

2

2

2

2

3

2

3

4

6

4

6

Wear dust mask

Frequent break

Use ear protectionClear

Barricade the working area

1

1

1

1

2

3

2

1

2

3

2

1

Fill the excavationPermit

RISK ASSESMENT TASK HAZARDS L S R CONTROL MEASURES L S R ADD IDEA

4.Starting construction

-ergonomic

-dust of cement

-chemical

-cement mixing

-falling from height

-heavy load

2

2

2

3

3

2

3

2

2

3

4

3

6

4

4

9

12

6

Frequent break

Use dust mask

Avoid direct contact

Use concrete mixerUse

scaffolding/platform

Mechanical assistance

1

1

1

1

2

1

3

2

2

3

4

2

3

2

2

3

8

2

Job rotation

Use harness

Chemical ressistance gloves

What is wrong?

5.Materials handling from the ground to top floor

-Heavy materials

-falling objects

-tripping hazards while climbing

3

2

2

3

2

3

9

4

6

Use tower crane

Wear hard hat

Proper housekeeping

1

1

1

3

2

3

3

2

3

-use 3 contact principle

RISK ASSESMENTTASK HAZARDS L S R CONTROL

MEASURESL S R ADD

IDEAR

6. Roofing activities

-falling hazard-prolonged bending-sharp tools-heavy load

23

22

34

23

612

46

-Use of safety harness

-Use of safety boot and résistance cut gloves-assistance from others

1

1

1

2

1

2

2

1

2

Use of safety net

7. Wiring -excessive noise-body twisting-dust-Repetitive motion-tripping hazard

222

22

322

23

644

46

-wear ear protection-stay within physical limitation-Wear dust mask-job rotation-proper arrangement of tolls and material

11

111

21

111

21

111

-Use of respirator

Fall protection

RISK ASSESMENTTASK HAZARDS L S R CONTROL MEASURES L S R ADD

IDEAR

8. Finishing activities(plastering, painting, celling boards

-Manual lifting

-falling object

-Excessive noise

-Wet floor

-dust and flying particles

-Body twisting/prolonged bending

2

2

2

2

2

2

3

3

3

3

2

3

6

6

6

6

4

6

-Proper lifting technique

-Wear hard hart/ helmet

-Wear ear protection(muffs or plug)-Be a wear when walking

- use of dust mask and safety goggles

-Micro breaks

1

1

1

1

1

1

2

2

1

2

1

2

2

2

1

2

1

2

Use long handle painting tool

Stay within physical limitation

Use long handle painting tool

Thank you