Matimba ACC Fan Guards Project Clarification Meeting Presented By: - PowerPoint PPT Presentation

Matimba ACC Fan Guards Project Clarification Meeting Presented By: Francois Nel Date:2020/07/23

Overview 6 x Units 48 x Fans per unit 30ft fans 288 fans in total 45m elevation 2

Single fan 250 kW motor and gearbox 8 x bladed fan 1 x blade = 95 kg 3

Fan Gap Existing fan grid Existing 600mm (Vertical) gap though which blades are falling. 4

Employers Proposal 5

Fan Detail 6

Fan blades assembly 7

Existing gap 8

Failed fan blades – Blade falling though gap 9

SOW 10

SOW Summary 11

Section 3.2 of the NEC works information The ECSA registered engineer responsible for reviewing the design, will review Section 3.2.1 of the NEC works information. The registered engineer will review the assumptions made by the employer and add additional assumptions where necessary and apply the necessary engineering principles to ensure the design is suitable for the application and ensuring that in the event of a failure, the installed fan guards will prevent a fan blade from falling down to 0m level or fail itself and fall. 12

Safety Requirements - 1 13

Safety Requirements - 2 Risk: • Starting fans with people inside – People could die. • Starting the fan with tools and equipment inside – Fan will be destroyed. • Starting a fan with loose objects inside (Bolts, nuts etc) – Someone can get seriously injured from projectiles 14

Employer will give the following 15

Deadlines 16

Tender Returnables to be evaluated 17

Tech evaluation -1 18

Method Statement - 1 19

Method Statement - 2 20

Method Statement - 3 21

Tech evaluation - 2 22

Tech evaluation - 3 23

Tech evaluation - 4 24

Tech evaluation - 5 25

Employer Proposal 26

Employer Proposal 27

Employer Proposal 28

Employer Proposal 29

Employer Proposal 30

Employer Proposal 31

Lift and walkway 32

Available Crane for hoisting 33

Thank you