Method Statement Title: Acoustic Insulation to Drainage Pipes

Method Statement Title: Acoustic Insulation to Drainage Pipes

Scope

1. This method statement applies to installation of acoustic insulation for drainage piping.

• Purpose

• Purpose of this method statement is to outline the method of storage, handling and installation of acoustic lining for drainage piping.

• Materials

• Revac SGQ 50-25FF Metallic foil faced flexible polymer sheet laminated to quilted glass wool approximately 24mm thick, tested to ISO 140-3/95.

• Method

• Receiving

• When received at site, each pallet shall be checked for quantities, model numbers, physical damages, etc.

• Receiving inspection shall be checked by Storekeeper, Engineer and QC Engineer, which shall be documented.

• Storage

• All Revac pallets are stored in a covered store.

• Storekeeper will be responsible for proper storage and maintenance of records, as required.

• Installation

• The following areas of drainage pipes will be covered by acoustic lining.

• High-level drain pipes in living areas/bed rooms, entrance foyers of apartments, lift lobbies, main lobby/reception areas, control room/offices, kitchens, bathrooms and any other occupied space.

• Clean the drainage pipes prior to commencement of acoustic lining.

• Wrap the pipes and fittings by Revac SGQ 50-25 FF sheets.

• Revac SGQ 50-25 FF can cover either butt joint or overlap joint.

• Aluminium foil tape should be used at maximum 250mm centers. All joints should also be covered with aluminium foil tape. Cut ends of glass fibre shall be enclosed by tape.

• Vertical pipe lagging may require the acoustic barrier to be adhered to pipe to stop the material moving.

Note     Refer attached manufacturer’s instructions.

• Inspection

• Acoustic lining for drainage pipes shall be witnessed during false ceiling clearance inspections.

• Safety

• All safety precautions shall be followed as per established project safety plan and procedure.

• Only experienced and skilled insulators shall be engaged for carrying out this work.

• The people involved in the insulation shall have PPE safety helmets, safety shoes, gloves, etc., as required.

• Safety officer shall check and ensure that all safety precautions are followed.

• Safety officer shall check and ensure that all scaffolding and ladders used at site are having duly signed tags.

• References

• Manufacturer’s catalogue.

• Approved submittal for acoustic lining for drainage piping. Ref. Submittal P-003.

• Shop drawings.

• Records

• Work Inspection Request (WIR) duly signed by the Consultant.

• Attachments

9.1       Manufacturer’s instructions.