Site Safety Forum 2016

Hong Kong Housing Authority

By

Vibro (H.K.) Limited

圍街頂工作之防止人體下墮措施

圍街頂工作

圍街頂的常見工作

鋪設臨時電線/水喉/污水系統；

加設隔音屏障；

圍街板搭建及保養；

安裝及保養照明/CCTV系統；

豎立/更換橫額/招牌。

人體下墮危害

工友有機會從3~6米高的圍街頂墮下

事前準備 - 加入分判商合約條款內

事前準備 - 加入分判商合約條款內

事前準備 - 加入分判商合約條款內

圍街頂上焊造永久性圍欄及踢腳板

額外裝上穩固完整的護欄及踢腳板

圍街頂上焊造永久性圍欄及踢腳板

並加設閘門及穩固點

方便穩固地放置梯具上落

圍街頂上焊造永久性圍欄及踢腳板

並加設閘門及穩固點

方便穩固地放置梯具上落

圍街頂上焊造永久性圍欄及踢腳板

圍街頂上焊造永久性圍欄及踢腳板

圍街頂上焊造永久性圍欄及踢腳板

逆流鑽上工作之防止人體下墮措施

逆流鑽上工作的人體下墮危害

逆流鑽（RCD）上的工作

組裝及拆卸逆流鑽；

操作逆流鑽；

維修工作；

樁柱驗測程序。

逆流鑽上工作的人體下墮危害

危害

工友有機會在台上墮至地面或樁柱中(有可能超過10米) ；

工友有機會在梯具的缺口中墮下；

工友有機會在梯具上落中滑倒。

逆流鑽的上落梯具上加裝永久性閘門

逆流鑽會安裝完整護欄及踢腳板

逆流鑽的上落梯具上加裝永久性閘門

安裝穩固梯具並加上永久性閘門

防止工友在梯具的缺口中墮下

提供不同長度之梯具

使用不同長度之梯具以配合逆流鑽不同的安裝高度，使梯級平坦，減少工友上落時滑倒的危害。

逆流鑽上工作之防止人體下墮措施

缺口完整化

逆流鑽上工作之防止人體下墮措施

逆流鑽上安裝安全繩4條；

防墮扣及；

Eye Bolt 等防墮設備。

逆流鑽上工作之防止人體下墮措施

工友在高危害情況下必需扣上安全帶，例如：打開水閘門時。

Eye Bolt 檢驗報告

Eye Bolt 檢驗 法定表格6,7

公司健康及安全政策宣言

對安全施工的決心

公司健康及安全政策宣言

董事的承諾 公司向來強調維護員

工的安全及健康為管理層的責任，其重要性凌駕工作進度及業績等因素

The End & Thank You

Q 1： 較早時間分享了一些的護欄、閘門，梯具及安全繩等措施，主要是控制哪一項危害？ A.電力危害 B.火害 C.人體墮下 D.爆炸

答案：C. 人體墮下

Q 2：在工程合約施工時，常遇到工程進度，公司業績，安全及健康的平衡問題！同業又應該以那方面為首要考慮？

答案：安全及健康

Chapter_SSF_2016_Chapter 2-3

Transcription_English

Captions:

Here is the footage of “Site Safety Forum 2016 for Works Contracts and Property

Services Contracts”, which was held on 14 July 2016.

The speaker is Mr YEUNG Chi-kin, Project Manager of Vibro (H.K.) Ltd.

His presentation topic is “Working at Height – Learning from Safety Incidents”.

M.C.:

Ladies and gentlemen

Good afternoon, fellows of the industry

I am Kelvin Yeung from Vibro (H.K.) Limited

First of all, thank the organiser

for giving us the opportunity to share with you here

our practices, views and internal guidelines on safety

First, I want to share working at height on hoarding

and the measures to avoid people falling from height

Actually, it may not be noticed that there is a lot of work to do on the top of hoarding

such as laying temporary wires, water pipes and sewage systems

erecting noise barriers, construction and maintenance of hoarding sheets

installation and maintenance of lighting and closed circuit television systems

It is common to erect some signs or safety banners now

Regarding the risk of people falling from height

actually the consequence can be serious

This is the typical drawing of hoarding of HD

The workers are working on the top of hoarding

There is a chance of falling for a distance of 3 to 6 meters from the top of hoardings

Correspondingly, we have an internal guide

In the sub-contracts, we require the sub-contractors

to provide handrails, toe boards, safe access or ladders during erection of hoarding

This is a typical drawing specified in our sub-contracts

In tendering, subcontractors need to ensure

the handrails and ladders are included in the cost

After installation of ladders

The photo shows a site of HD

Guardrails are installed. There are toe boards and a doorway

If it is not convenient or there is no space to install

secure and permanent ladders or access

We will add an "anchor point"

to install a movable ladder or access

The photo shows a ladder installed at “anchor point”

There are similar designs on different HD sites or private sites

In response to the varying conditions of different sites

there will be improvements and changes in the design

We hope that when the workers are working on top of hoarding

there is a suitable and safe working platform for them

Another measure I’d like to share

is for prevention of falling from height

from Reverse Circulation Drills

A Reverse Circulation Drill (RCD) is actually commonly used for large diameter bored

piles

It is known as the RCD working platform

Plenty of work is carried out on the RCD working platform

They include assembly and removal of RCD

operation of RCD, regular maintenance of RCD or pile tests

all of them are performed on RCD’s working platform

And the risk is also relatively large

Workers may fall from the platform

or even fall inside the pile

The falling height is usually more than 10 meters

Workers may also fall from the ladder and land on the ground by accident

or they may slip down when using the ladder

And the internal instruction of the company is:

On each RCD’s working platform, there should be intact guardrails

and toe boards before work starts

There should be a gate installed at the top of ladder

to prevent workers falling down to ladder

As the height of RCD’s platform can vary

Therefore, we provide ladders of different heights

The goal is to make sure that the rungs on the RCD ladder are flat

thereby reducing the chance of workers slipping down

The figure shows a small idea from our staff

They used U-bolts and iron plates to

repair the gaps on working platform and toe boards

We also installed four eye bolts at the top of RCD's rig

for installing four safety ropes

When workers carry out high-risk tasks such as opening water gate

installing RCD before guardrails are fixed in place

Workers must each wear a safety harness with fall arrester before they work

Eye bolts with certificates

I’ve just mentioned the height of RCD

Our final guideline is:

try to reduce the height of RCD platform

thus reducing the risk to the minimum level

Lastly I want to share with you the determination to achieve safe construction

In fact, regardless of management, subcontractors or workers themselves

will strike a balance between project’s progress and company’s profit

Since early 2016, the company's top management has committed to

maintaining the safety and health of employees and workers

which is more important than the progress of project, company’s profit and so on

We also enthusiastically promote this to our partners, i.e. our sub-contractors

I hope everyone will work together

to reduce the incident number to as low as possible

We hope to achieve today’s theme “Zero Incident”

Thank you

Caption:

Disclaimer

This video is produced for Site Safety Forum 2016 with contents based on past

cases of accidents and incidents. These cases merely serve as reference, the

Hong Kong Housing Authority, Occupational Safety & Health Council, the

speakers or other supporting organizations declare that they will neither

guarantee their completeness and truth, nor bear any legal liability for any

incorrectness in information, mistakes or omissions in the contents provided.

Taking into account that the types of work or working environments vary in

individual work areas, contractors have to conduct risk assessments and

implement effective measures to ensure that the site-specific occupational and

health hazards are properly put under control.

Caption:

Thank You For Watching