Description of activity

Create structural opening to internal entrance hall wall.

Works carried out specified by Robert Austin associates.

 

Involves:

• Removal of floor boards within work area and set aside for reuse to gain access to sub floor.

• Set new foundation concrete slab on top existing foundation to the base new columns.

Concrete Mix to be cement, sand and stone aggregate required  of 1:2:4 concrete mix.

• Pour concrete in to inspection hole when foundation depth was obtained.

• Bore out 5 x 150mm pocket holes through wall for support needles set at 700mm apart.

Using power hand tools taking care not to create excessive vibrations to disturb existing structure.

• Set 4 x 100mm x 440 mm high density foundation blocks beneath each acrow prop to enable weight distribution to sub floor in church hall area. In entrance hall area, the floor is concrete and will only require standard acrow weight distribution.

• Insert 152 mm x 152 mm x UCs at 1.0 c/c steel  needles for load support, estimated length of needles from wall face 700mm, depending on the sub floor density.

• Secondary acrow props beneath support needles and above steel beams using strong boys

• Structural to inspect and sign off for temporary support by.

• Build brick piers to the required height in engineering bricks with concrete pad stone set in place. 

• Cut out section of wall where steel beams will be located .                                                                    Steel beams be lifted in place by hand and with a mechanical hoist.

• Demolish wall using drill breakers, using power hand tools taking care not to create excessive vibrations to disturb existing structure.

• Checking acrow props during removal process to ensure wall is supported adequately.

• Remove debris from area.

• Install steel beams and dry pack above beam incorporating Cembex 100 expanding agent.

• Acrows and steel needles to remain installed until all new steelwork has been checked and sign off by an inspector.

• Reinstate floor boards, screwing down boards rather than nailing as access is required for wood treatment

• In case steel beams in fire proof plaster board.

• Dot a dab plasterboard to exposed wall areas ready to plastering.

• Clear site of all debris

 

Supervision

• MR N G Walter – 07734 955010

Training

All operatives are adequately trained to carry out required tasks.

 

Legislation

• Health and Safety Work Act 1974

• The Management of Health and Safety at Work Regulations 2006

• Workplace (Health, Safety and Welfare) Regulations 1992

• The Control of Asbestos Regulations 2012

• Provision and Use of Work Equipment Regulations (PUWER) 1998

• Control of Substances Hazardous to Health Regulations 2002

• The Work at Height Regulations 2005

• The Personal Protective Equipment at Work Regulations 2002

• The Manual Handling Operations Regulations 1992

• The Construction (Design and Management) Regulations 2015

• Electricity at Work Regulations 1989

• The Pressure Systems Safety Regulations 2000

• Pressure Equipment Regulations 1999 (SI 1999/2001)

Working at height

When working at height, site operatives must ensure that the working area is cleared on a period basis to
ensure that there is continually a clear and safe working area to prevent slips trips and falls.

Manual handling

PPE requirements

• Hard hats

• Safety boots

• Hi-vis vest

• Safety gloves

• Safety glasses

• Dust masks

 

Welfare

Welfare arrangements are supplied by the client and APS the principal contractor.

These should be in line with Schedule 2 of the Construction Design & Management Regulations 2015

(CDM). All sites are to have a minimum amount of welfare facilities available for workers, which include the

Following:

 

• Toilets

• Washing facilities

• Drinking water

• Rest facilities

First aid

Refer to the onsite safety notice board for all first aid information.

 

A first aid box with enough equipment to cope with the number of workers on site should be provided for by  the principal contractor.

 

The principal contractor should nominate an appointed person to take care of first-aid arrangements.

 

Emergency procedures

The client or principal contractor will ensure that the existing site emergency procedures are followed and that relevant information is given to operatives at time of induction or when changes are made to procedures.

 

Hospital details: