Method Statement Title: Acoustic Insulation to Drainage Pipes
Scope
- 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.
