Page 2 Clause A3.10 a) – Part A – General

Should read: 

“each detached, semi-detached and terraced house should each be considered as a separate curtilage.”

Page 19 Clause B3.2.24 - Part B – Design and Construction of New Foul Sewers and Lateral Drains

Should Read:

“Where pipes serving a total of three properties or less more connect to a pipe that has a nominal internal diameter less than or equal to 150 mm, the branch connections should be set so that the soffits of all the pipes are at the same level. In all other cases, branch connections should be set with the soffit levels no lower than that of the main pipe and with the invert level of the branch connection at least 50 mm above the invert of the main pipe.”

Page 20 Figure B.7 - Part B – Design and Construction of New Foul Sewers and Lateral Drains

The box reading:

“Is in >150m to the nearest Type A or Type B Access”

Should read:                                                                                                          

“Is it > 150m to the nearest Type 1 or Type 2 Access”

Page 29 Figure B.16 

Note at the top should read Plastic chambers and rings shall comply with BS EN 13598-1 and BS EN 13598-2 or have equivalent independent approval. 

Page 30 Figure B.17 

Note at the top should read Plastic chambers and rings shall comply with BS EN 13598-1 or and BS EN 13598-2 or have equivalent independent approval. 

Page 34 Figure B.21 

Note at the top should read Plastic chambers and rings shall comply with BS EN 13598-1 or and BS EN 13598-2 or have equivalent independent approval. 

Page 35 Figure B.22 

Note at the top should read Plastic chambers and rings shall comply with BS EN 13598-1 or and BS EN 13598-2 or have equivalent independent approval. 

Page 39 Clause B6.3 a) – Part B - Design and Construction of New Foul Sewers and Lateral Drains 

Should read: 

“a ductile iron pipe of an adequate strength should be used.” 

Page 91 Clause E2.32 Note i) - Part E – Civil Engineering Specification,

- should be deleted. 

Page 96 Clause E2.39 Note ii) - Part E – Civil Engineering Specification,

- should be deleted. 

Page 106 Clause E5.5.4 – Part E – Civil Engineering Specification 

Should read:

 

“Where PE pipes are used, a fully-welded system shall be used and the number of joints minimised. Mechanical or electrofusion joints shall not be used.”

 

Page 110 Clause E6.6 Table E.12 – Civil Engineering Specification 

Should read:

 

  Nominal diameter (mm)  

   Maximum effective length (m)  

150 to 600

0.6

600 to 750 

1.0 

 over 750

 1.25

 

Page 113 Clause E7.6 Note ii) – Civil Engineering Specification 

Should read: 

“The ratio described in D6.5.2 may be approximated to:

 

 

 

 

Updated: 10/02/2014