NOTES INSTALLING OF LINTELS

1. Examine the lintels carefully before installing them. Where structural damage is found, the manufacturer should be consulted. Any non-structural damage, such as defective concrete cover, should be repaired.
   
   
2. The end bearing for lintels should be at least 230 mm, and the lintel should be bedded on mortar and levelled both along its length and across its width.
   
   
3. The lintel should temporarily be supported along its span before and during construction of any masonry work above the lintel. Props should be placed at intervals of not under 1,5 m, taking care that the soffit of the lintel is straight and level.
   
   
4. The joints between the lintel and the masonry units, and in the masonry units, should be filled completely.
   
   
5. The supports should not be removed until the masonry element of the lintel has reached its design strength, and in no case earlier than 7days after installation.

VERIFICATION OF PRE-STRESSED CONCRETE LINTELS

1. When a purchaser requires ongoing verification of the quality of prestressed concrete lintels, it is suggested that, instead of concentrating solely on evaluation of the final product, he also direct his attention to the manufacturer’s quality system. In this connection it should be noted that SANS 9001 covers the provision of an integrated quality system.
   
   
2. If no information about the implementation of quality control or testing during manufacture is available to help in assessing the quality of a consignment, and a purchaser wishes to establish by inspection and testing of samples of the final product whether a consignment of the components complies with this standard, a sampling plan based on applicable statistical tables and inspection and tests of this standard should be agreed upon between the manufacturer and the purchaser.

It should be noted that:

• such a sampling plan applies to the fully manufactured product only.
  
  
• a consignment that in terms of the plan is deemed to comply with the standard could contain defective components to an extent proportional to that permitted by the relevant acceptance numbers given in the sampling table.

NOTES INSTALLING OF LINTELS

1. Examine the lintels carefully before installing them. Where structural damage is found, the manufacturer should be consulted. Any non-structural damage, such as defective concrete cover, should be repaired.
   
   
2. The end bearing for lintels should be at least 230 mm, and the lintel should be bedded on mortar and levelled both along its length and across its width.
   
   
3. The lintel should temporarily be supported along its span before and during construction of any masonry work above the lintel. Props should be placed at intervals of not under 1,5 m, taking care that the soffit of the lintel is straight and level.
   
   
4. The joints between the lintel and the masonry units, and in the masonry units, should be filled completely.
   
   
5. The supports should not be removed until the masonry element of the lintel has reached its design strength, and in no case earlier than 7days after installation.

VERIFICATION OF PRE-STRESSED CONCRETE LINTELS

1. When a purchaser requires ongoing verification of the quality of prestressed concrete lintels, it is suggested that, instead of concentrating solely on evaluation of the final product, he also direct his attention to the manufacturer’s quality system. In this connection it should be noted that SANS 9001 covers the provision of an integrated quality system.
   
   
2. If no information about the implementation of quality control or testing during manufacture is available to help in assessing the quality of a consignment, and a purchaser wishes to establish by inspection and testing of samples of the final product whether a consignment of the components complies with this standard, a sampling plan based on applicable statistical tables and inspection and tests of this standard should be agreed upon between the manufacturer and the purchaser.

It should be noted that:

• such a sampling plan applies to the fully manufactured product only.
  
  
• a consignment that in terms of the plan is deemed to comply with the standard could contain defective components to an extent proportional to that permitted by the relevant acceptance numbers given in the sampling table.