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Ash And Lacy Solid Rainsreen And Pilkington Glasscladding Engineering Essay

This report is to show how the recommend ash and lacy solid rainsreen cladding interfaces with the Pilkington glass cladding system in a horizontal and vertical connection, It ‘s also set out to show how the recommended rainsreen interfaces with the roof terrace in terms of connection between them.

1.3 vertical connections

The vertical connection between the ash and lacy solid rainsreen and the Pilkington glass cladding posses some challenges in terms of integration between products from different manufactures.

The explanation of the connection details is to give a clear view on how the two would be connected to perform at there optimum use. The Pilkington glass cladding panels for the museum of aviation is 6’.0*4’.0 aluminum framing where the glass is encase with rubber seal, both externally and internal that provides airtight sealing joints that prevent the intrusion of water and surface moisture from entering through these joints. These rubber seals also provide insulation and a cushion for the glass. Whereas the ashtech rainscreen panels are prefabricated from an aluminum composite material that is easily manage

As seen in the sectional view the ashtech rainsreen panels has a 20mm gap to allow the Z section to be installed horizontally onto the vertical mullions, there is a plastic clip in ‘S’ section on the ashtech rainsreen panel that allows the Z section to be connected to it. This Z section together with the fixing angle creates the interfacing between both the ashtech panels and the Pilkington laminated glass panels, and appropriate sealing compound is use between the fixing angle, rainsreen and Pilkington glass panels therefore creating a seal between these two surfaces.

1.4 Rationale

The ashtech rainsreen and the Pilkington laminated glass panels were selected for the museum of aviation building base on the following characteristics.

1.5 Ashtech rainsreen

These panels meet the highest requirements in terms of quality, fire, durability, ACM performance,

PVDF thermal installation

Quality -Ashtech rainsreen meets Bsen ISO 900:2000

Fire -Ashtech rainsreen meets BS 476: Part 6&7 therefore achieving class O rating classified by building codes.

Durability -Ashtech rainsreen provides a variety of metal coatings that’s determined by the geographical location and application as in the museum of aviation where high winds and possible dust would be present

Acm -Ashtech rainsreen is coated with the highest standard of gloss to give a finish that no other can contest.

Pvdf -Ashtech rainsreen contains at least 70% of kynor 500 resin. This coating is known for its outstanding resistance to solar, radiation and humidity.

Installation -Ashtech rainsreen are light and easily handle, giving ease to installation and completion time

Thermal insulation -Ashtech rainsreen thermal installation provides and opportunity to be upgraded. A breather membrane is used to protect the installation from any moisture.

Material -Ashtech rainsreen is fabricated from aluminum composite material (ACM) or solid aluminum to create a ventilated cold façade fixed to and aluminum carrier system. These panels provide the ultimate flatness, light weight and durability.

1.6 Pilkington glass panels

Pilkington glass panels has the following characteristics that were evaluated in determining it choice of use for the museum of aviation building

Standardized panels

Ease of installation due to standardize panels

Provide easy integration between solid and transparent cladding in terms of sealing

Self cleaning properties

Safety properties to keep glass together if shattered

Noise and thermal properties both reducing heat unwanted sound and U.V into the building

2.0 Horizontal Connections

The horizontal connection between the ash and lacy solid rainsreen and the Pilkington glass cladding posses some challenges in terms of integration between products from different manufactures.

The explanation of the connection details is to give a clear view on how the two would be connected to perform at there optimum use. The Pilkington glass cladding panels for the museum of aviation is 6’.0*4’.0 aluminum framing where the glass is encase, rubber seals both externally and internal provides airtight sealing joints that prevent the intrusion of water and surface moisture from entering through these joints. These rubber seals also provide insulation and a cushion for the glass. Where as the ashtech rainscreen panels are prefabricated from an aluminum composite material that is easily manage.

As seen in the sectional view the ashtech rainsreen panels has a 20mm gap to allow the Z section to be installed vertically onto the horizontal transits, there is a plastic clip in ‘S’ section on the ashtech rainsreen panel that allows the Z section to be connected to it. This Z section together with the fixing angle creates the interfacing both between the ashtech panels and the Pilkington laminated glass panels, and appropriate sealing compound is use between the fixing angle, rainsreen and Pilkington glass panels therefore creating a seal and integrated system.

2.1 Rationale

The ashtech rainsreen and the Pilkington laminated glass panels were selected for the museum of aviation building due to the following characteristics.

2.2 Ashtech rainsreen

These panels meet the highest requirements in terms of quality, fire, durability, Acm performance, PVDF thermal installation

Quality -Ashtech rainsreen meets Bsen ISO 900:2000

Fire -Ashtech rainsreen meets BS 476: Part 6&7 therefore achieving class O rating classified by building codes.

Durability -Ashtech rainsreen provides a variety of metal coatings that’s determined by the geographical location and application as in the museum of aviation where high winds and possible dust would be present

Acm -Ashtech rainsreen is coated with the highest standard of gloss to give a finish that no other can contest.

Pvdf -Ashtech rainsreen contains at least 70% of kynor 500 resin. This coating is known for its outstanding resistance to solar, radiation and humidity.

Installation -Ashtech rainsreen are light and easily handle, giving ease to installation and completion time

Thermal insulation -Ashtech rainsreen thermal installation provides and opportunity to be upgraded. A breather membrane is used to protect the installation from any moisture.

Material -Ashtech rainsreen is fabricated from aluminum composite material (ACM) or solid aluminum to create a ventilated cold façade fixed to and aluminum carrier system. These panels provide the ultimate flatness, light weight and durability.

2.3 Pilkington glass panels

Pilkington glass panels has the following characteristics that were evaluated in determining it choice of use for the museum of aviation building

Standardized panels

Ease of installation due to standardize panels

Provide easy integration between solid and transparent cladding in terms of sealing

Self cleaning properties

Safety properties to keep glass together if shattered

Noise and thermal properties both reducing heat unwanted sound and U.V into the building

3.0 Roof terrace connection

Ash and lacy solid rainscreen cladding is constructed on a structural grid made up of mullions and transoms. These mullions are connected to the building via a bracket which is bolted onto the wall surface; transoms are connected to the mullions. The system is made up of rainsreen panels made from aluminum composite material (ACM), insulated layer, and adjustable sub-frame maintaining a ventilated cavity and ventilated outer skin (rainsreen).

The ashtech rainsreen panels would be installed on the northern wall of the aviation of museum building, forming a parallel surface with the wall. However a cavity would be created between the wall and the rainsreen therefore creating an area of concern. Rain water can easily find itself into this cavity causing damage to the insulation and possible corrosion problems to the wall brackets, mullions and transoms.

However taking this into consideration a edge detail of 90 degrees to the rainsreen and roof terrace must be constructed and bolted onto the roof terrace, via brackets and secure with Pilkington tech screws over this cavity, therefore creating a seal system from on top of the roof terrace and onto the rainsreen preventing rain water.

The configuration in terms of the Z section and the S section in the way they are connected to each other to create the sealing joint is the same principle as explain in the vertical and horizontal connection in 1.3 & 2.0.Ashtech rainsreen panels meets the highest requirements in terms of the following characteristics. All these characteristics where fully explain in the vertical and horizontal connection between the Pilkington glass panel and the ashtech rainscreen panels.

Quality

Fire,

Durability,

Acm performance,

PVDF thermal installation

Task 2.1

Individual course specific Element

2.2 Critical Path Network

`Task 3.1

Individual safety element

3.2 Introduction

This document has been developed to introduce a safe system of work for the installation of the Pilkington glass panels for the external cladding for the museum of aviation building. Implementation of this document will reduce the risk associated with the installation. The document has made provision for system and protection of works involving access, egress, tools and equipment removal of rubbish, storage of material, personal protective equipment and working at heights.

3.3 work

Working hours will be between 8hrs and 12hrs maximum. Workers shouldn’t exceed these hours of work

3.4 Training

All employees should be certified. And must provide a detail resume on their qualification and training in specialize areas. Some of the area where the employee should hold training on is.

manual handling

Operation of electrical power tools

Occupational health and safety

Use of personal protective equipment proper usage

All employees working on the museum of aviation building should understand the safety requirements that is require, and sign and agree to this document

3.5 Site access and egress

Access and egress will be coordinated with the site manager to ensure that safety is carry out to visitors and airport authorities.

3.6 Unauthorized entry

All working areas should be barricaded to restrict the unauthorized entry of visitors and other workers who may be assigning to different jobs onsite from different contracting company

3.7 Safety of visitors public

Systems should be put in place to safeguard visitors from being injure. The site should be properly barricaded from the public

3.8 Disposal of rubbish

All rubbish/debris should be place in the designated area for the safe removal from the site.

3.9 personal protective equipment

All workers and personnel working on the museum of aviation should wear the appropriate safety gear for the task being undertaken. These protective equipment are safety boots, safety hat, hig viz vest, safety harness, safety glasses.

3.9.1 Reliability checks

-Equipment/tools and machinery-

All tools and equipment onsite whether purchase or hire should be inspected on a daily basis and recorded onsite.

All tools and equipment onsite whether purchase or hire should be service by qualified and trained personel

Tools should be log in and register in the tools register for that particular site

All power tools should be tested by certified electrician

-Manual handling-

All materials should be stored in a safe and neat arrangement

Anything assess to be heavy should be lifted by two or more personnel or by power lifting equipmen

Ladders

Ladders should be place on firm surface at all time and tie off properly

Using power tools that require the use of both hand should not be allowed at no time

Ladder are a means of assess onto a platform or scaffolding and should’t be use as a permanent means of scaffolding

Ladders should be check by a competent personnel and log in a book

Workers should not work on the last two striders of the ladder.

One person at a time should be working on a ladder.

Safety harness

Workers working on high that exceeds ten feet should used a harness

Platforms

Planks that are to be use on scaffolding and structures as support for workers should be inspected for damage and weakness and should be remove and reported to the site supervisor or site manager.

Trestles should be erected on a firm and solid ground at all times

Concentrated loads should not exceed the loads specified below; these include the weight of persons, weight of material, debris, weight of tools, equipment and impact from working.

Planks that are to be used should be at least 3 plank width wide

Planks can overhang there support but not more than 200mm in length on either side.

-Scaffolding-

Placing of the cladding panel should only be done so from scaffolding that meet the requirement and comply with the relevant standards.

Contractors and employees who are using scaffolding as part of there regular daily routine should report all faults and erection issue to the plant manager or supervisor.

Power tools should carry insulated leads and cables and scaffolding should be at least two meters from electrical panels.

All scaffolding should be erected by a certified erectors

All personnel working on scaffolding should be trained and certified to do so

Safety harness should always be worn and anchor off when working on scaffolding.

In the case of mobile scaffolding no one should be on the scaffolding when being move.

3.9.2 Safety procedure for the use of machinery

machinery to transport cladding panels

scissors lift

cherry picker

man lift

elevated platform and boom lift

All employees from the contracting company must shown by evidence from company training register that they have received training in the following area

The use of elevated work platform

Certification of being a plant operator

Familiar with the working at height regulation

Relevant certificate of competence from his/her employer

Safety method statement

Elevated working platforms should only be operated by certified and competent personal.

Don’t exceed the maximum lifting capacity of any mechanical lifting device.

Access and egress should be kept clear at all time to allow easy operation.

Check machinery handbook for the working history of machine to ensure proper working standers are meet.

Routine inspection

Check all plant and equipment for any physical damage and malfunction units.

Liaise with service personnel to ensure that the machine or elevated work platform is maintain and fit for use, also check the log book for maintenance record.

Remove and isolate equipment from unauthorized users when finish for the day or when on lunch breaks.

Manual handling

All employees from the contracting company must shown by evidence from company training register that they have received training in the following area.

Proper manual handling procedures

Compress air tools and electrical power tools

Occupational health and safety

Persistence and correct use of personal protective equipment every time

All employees working with the contractor understands and agrees to the safety requirement that is set out in the safety document. All employees and contractors have been trained in accordance with this document, and have signed to that effect.

Task No

1

Task Name

Mobilization

Task Duration

One day (1)

Description of Construction

Process to be followed

Get temporary power supply from electrical main

panel

Resources

Material

Electrical cables and recommended main breakers

Plant

nil

Labour

Two electrician

Task 3.1

Installation procedures

Procedures for task number. 1

Risk assessment for task number. 1

Identifiable Risks

Electrical shock

Eye injuries

Cut from knives

Health and Safety Measures to be put in place

Proper insulated tools

Eye glasses

Electrical hazard training

Lock out tag out procedures

Task 3.1

Individual safety element

Procedures for task number- 2

Task No

2

Task Name

Secure working area

Task Duration

2 days

Description of Construction

Process to be followed

Place caution tape around construction area and working area

Resources

Material

Caution tape

Caution tape post

Plant

nil

Labour

10 labourers

3 supervisors

Risk assessment for task number -2

Task no

2

Task Name

Secure working area

Identifiable Risks

Respiratory disease

Back injuries

Eye injuries

Health and Safety Measures to be put in place

Dust mask

Eye glasses

Conduct training on proper lifting technique

Back brace where applicable

Task 3.1

Individual safety element

Procedures for task number-3

Task No

3

Task Name

Surface preparation

Task Duration

10 days

Description of Construction

Process to be followed

Compact surface around the museum where the scaffolding will be erected and where temporary working station will be constructed

Resources

Material

Loose fill around the museum building, or order backfill as required

Water hose and water truck

Plant

Compactor

Steel roller

Labour

2 operators

2 labourer’s

Risk assessment for task number 3

Task no

3

Task Name

Surface preparation

Identifiable Risks

Back injuries

Crushing of feet

Eye injuries

Respiratory disease

Health and Safety Measures to be put in place

Dust mask

Eye glasses

Conduct training on proper lifting technique

Back brace where applicable

Safety boots

Proper communication between operators and labourer’s

Conduct training on machine operation and ensure operators are certified

Task 3.1

Individual safety element

Procedures for task number-4

Task No

4

Task Name

Lay down area/work station

Task Duration

2 days

Description of Construction

Process to be followed

Construction of working benches with engineering vices

Resources

Material

Bench vice

2*4 planks

2*12*12 planks

Nails

Screws

Power saw

Plant

Labour

2 tradesmen

2 labourers’

Risk assessment for task number -4

Task no

4

Task Name

Lay down area/work station

Identifiable Risks

Dust inhalation

Eye injuries

Back injuries

In running tips from circular saw

Cut from sharp objects

Health and Safety Measures to be put in place

Dust mask

Eye glasses

Conduct training on proper lifting technique

Back brace where applicable

Proper training on the use of portable hand tools

Cover sharp edges where applicable

Task 3.1

Individual safety element

Procedures for task number-5

Task No

5

Task Name

Placing of tool crib stores

Task Duration

2 day

Description of Construction

Process to be followed

Place fabricated metal tool crib for the storing and inspection of on site tools

Resources

Material

Empty cargo container

Plant

Nil

Labour

2 tradesmen

4 labourer’s

Risk assessment for task number-5

Task no

5

Task Name

Placing of tool crib stores

Identifiable Risks

Struck by falling objects(debris)

Back injuries

Crushing of feet and hands

Cuts from portable machines

Health and Safety Measures to be put in place

Safety helmets

Training on proper manual handling

Safety boots/protective gloves

Task 3.1

Individual safety element

Procedures for task number-6

Task No

6

Task Name

Offloading scaffolding

Task Duration

1 day

Description of Construction

Process to be followed

Reverse truck alongside offloading area offload scaffold one height at a time and pack neatly no more than four feet height

Resources

Material

nil

Plant/Equipment

Fort lift

Labour

1 Trained forklift driver

2 labourers

Risk assessment for task number-6

Task no

6

Task Name

Offloading scaffolding

Identifiable Risks

Back injuries

Crushing of feet and hands

Vehicle accident

Communication breakdown between laborers and forklift driver

Health and Safety Measures to be put in place

Proper manual handlig traing and lifting technique

Safety boots

Warning alarms from vehicle

System for communicated between workers

Back braces where applicable

Task 3.1

Individual safety element

Procedures for task number-7

Task No

7

Task Name

Scaffolding erection

Task Duration

7 days

Description of Construction

Process to be followed

Used of cheery picker to assist in the erection of the scaffolding around the museum of aviation building for the safe installation of the cladding .The cheery picker will give assistance to the scaffolding erectors to gain height safely before all the scaffolding is completely erected

Resources

Material

Planks

Putlog scaffolding

Edge protection

Fall netting

Rope

Plant

Cheery picker

Labour

4 certified scaffolders

4 labourers

Risk assessment for task number-7

Task no

7

Task Name

Scaffolding erection

Identifiable Risks

Fall from height due to not using the proper PPE or not using appropriate fall protection

Overturning of cheery picker due to uneven ground

Back injuries due to lifting scaffolds

Cut from sharp objects

Crushing of hands

Swaying of scaffold

Slips from board

Health and Safety Measures to be put in place

Health and Safety Measures to be put in place

Use harness at all time when at height more than ten feet height

Implement permit to work for working at height

Do not overload cheery picker

Park the equipment on firm ground

Safety glasses/goggles

Fall protection

Proper manual handling training

Daily inspection secure scaffolding on anchor point on building

Task 3.1

Individual safety element

Procedures for task number-8

Task No

8

Task Name

Setup the tc28 mobile crane

Task Duration

1 day

Description of Construction

Process to be followed

Ensure that the surface where the pedestals f the crane are to be position are firm and sturdy

Resources

Material

Pieces of 2*4 wood

Plant

Tc 28 mobile crane

Labour

1 operator

2 labourer

Risk assessment for task number-8

Task no

8

Task Name

Setup the tc28 mobile crane

Identifiable Risks

Crushing of feet and hands

Falling objects

Back injuries

Hit by moving mobile crane

Breaking of cable straps

Health and Safety Measures to be put in place

Safety boots must be worn

Hig viz vest must be worn

Safety hats

Safety glasses

Inspect cables on daily basis

Training to allow the operators and labourers to know the dangers involve in the operating of mobile cranes

Task 3.1

Individual safety element

Procedures for task number-9

Task No

9

Task Name

Installation of Pilkington glass panels and hatfield casting

Task Duration

11 day

Description of Construction

Process to be followed

Clean and inspect surface area for Pilkington hatfield casting installation

Installed hatfield casting to structural frame of building

Place panels flat allow suction cups of the tc28 to hold panels and take to location

Align glass panel onto the hatfield casting and secure with planner 902 façade bolts

Resources

Material

Glass panels

Pilkington Hatfield casting

Screws

Gasket

Plant

Tc 28 mobile crane

Labour

1 Tc 28 operator

3 labourers

3 trades men

Risk assessment for task number-9

Task no

9

Task Name

Installation of Pilkington glass panels and hatfield casting

Identifiable Risks

Crushing of feet and hands

Falling objects

Back injuries

Hit by moving mobile crane

Breaking of cable straps

Cut from sharp edges

Glare from panels

Eye injuries

Fall from height

Hit from swinging panels

Health and Safety Measures to be put in place

Safety boots must be worn

Hig viz vest must be worn

Safety hats

Safety glasses

Inspect cables on daily basis

Training to allow the operators and labourers to know the dangers involve in the operating of mobile cranes

Fall protection

Edge protection

Proper manual training

Special lens to access with glare from panels

Safety harness

APPENDIX A-Vertical Connection

Appendix B-Roof Terrace Connection

APPENDIX C –Horizontal Connection

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