Risk assessment made for four storey building in NEPAL

1. SAFETY
ASSIGNMENT
Roman Man Shrestha st120294
Thae Nu San st120432
Shwe Yee Oo st120321
Kaung Wunna Kyaw st120332
Y.D. Gopal Rayadu st120357

2. We Assumed a 4 Storey Building for
Working in a Height

3. SAFETY CRITERIA SAFE UNSAFE % SAFE
1. GUARD RAILS SYSTEM
 Top rails
• Height of top rails should be 42 inches (1.1 m) plus or minus
3 inches (8cm) above the walking/working level.
1926.502(b)(1)
 Mid rails
• Mid rails should be installed between the top edge of the guard
rail system and walking/working surface when there is no wall
or parapet wall at least 21 inches (53cm) high. 1926.502(b)(2)
 Toe boards
• Toe boards should be at a minimum of 3.5 inches (9 cm) in
vertical height from their top edge to the level of the
walking/working surface. They shall have not more than 1/4
inch (0.6 cm) clearance above the walking/working surface.
1926.502(j)(3)
75%
88%
75%

4. SAFETY CRITERIA SAFE UNSAFE % SAFE
2. PERSONAL FALLARREST SYSTEM
 Anchorage connector
• Connector shall have a corrosion-resistant finish and all
surfaces and edges shall be smooth to prevent damage to
interfacing part of the system. 1926.502(d)(2)
• Connectors should be pressed or formed steel or made of
equivalent materials. 1926.502(d)(1)
63%

5. SAFETY CRITERIA SAFE UNSAFE % SAFE
 Body belts
• Body belts shall be at least one and five-eight(1 5/8) inches
(4.1 cm) wide. 1926.502(d)(22)
 Connecting devices
• Lanyards and vertical lifelines shall have a minimum breaking
strength of 5000 pounds (22.2KN). 1926.502(e)(5)
• Lifelines shall be protected against being cut or abraded. 1926.
502(d)(11)
63%
38%

6. SAFETY CRITERIA SAFE UNSAFE % SAFE
3. SAFETY NET SYSTEM
 Safety net shall be installed as close as practicable under the walking
/working surface on which employees are walking.1926.502(c)(1)
 Safety net shall extend outward from the outermost projection of wo
rk surface. 1926.502(c)(2)
50%

7. Score sheet used in 4 Storey Building as trial
CRITERIA CORRECT TOTAL INCORRECT TOTAL %SAFE
1 GUARD RAILS SYSTEM
i. Top Rail
6 2 75%
ii. Mid Rail 7 1
iii.Toe Board 6 2 75%
2. PERSONAL FALL
ARREST SYSTEM
i. Anchorage connector 5 3 63%
ii. Body belts 5 3 63%
iii. Connecting Devices 3 5 38%
3. SAFETY NET SYSTEM 4 4 50%
Total Correct 36 Total Incorrect 20
Safety Score:
Total "correct
Total "correct" + Total "Incorrect"
X 100 = 64.28%

8. • Inspect before each use. Fall protection exhibiting any of these faults shall be removed from service and destro
yed.
• Take photo of unsafe behavior and condition during construction.
• Record these files in the documents.
• Explain worker about unsafe activities by showing the record.
• Apply Fall Protection Training.
• A fall arrest occurs on site, personnel, using an articulating man lift or ladders where feasible, will rescue all em
ployees. Alternate rescue would be through local emergency services.
• All fall investigations will be conducted by (insert the title{s} or name{s} of person).
• Evaluate the fall protection program to determine its effectiveness.
• Staff feedback and interviews.
• To follow the guidelines set forth in this fall protection program.
Corrective Actions should be taken by safety supervisor