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pdf_a.zip

Materials and standards (w2155.doc)

Performance  requirements, access & hydraulic design (w2156.doc)

Structural design & depth of cover table (w2157.doc)

Construction 1 - Excavation and preparation of trench (w2158.doc)

Construction 2 - Laying pipes (w2159.doc)

Construction 3 - Laying pipes in special circumstances (w2160.doc)

Construction 4 - Inspection, testing, operations & maintenance (w2161.doc)

Appendix A – Determining the bedding construction of vitrified clay pipelines (w2162.doc)

Appendix B - Determining the flow capacity of vitrified clay pipelines (w2163.doc)

Appendix C – General guidance on chemical resistance of vitrified clay pipes (w2164.doc)

Appendix D – Cost comparisons and cost saving considerations (w2165.doc)

Table A3 – Wide trench fill loads (w2166.doc)

Table A4 – Narrow trench fill loads (w2167.doc)

Table A5– Traffic loads – "Fields and Gardens" – 2 wheels 30  kN (w2168.doc)

Table A6 – Traffic loads – "Main Roads"- 8 wheels 112.5 kN  (w2168a.doc)

Table B3 – Flow table – Foul drains & sewers flowing at a proportional  depth of 0.75
                   - ks values varied with velocity
(w2174.doc)

pdf_b.zip

Table B4 – Flow table – Foul  drains & sewers flowing full - ks values varied with velocity
                   
  (w2175.doc)

Table B5 – Flow table – Pipe flowing full – ks =  0.6 mm (w2176.doc)

Table B6 – Flow table – Pipe flowing full – ks = 1.5 mm (w2177.doc)

Table B7 – Proportional depth and velocities for pipes running part full  (w2178.doc)

Illustrations 1 – Standards, Transport, Marking, Storage, Excavation & Bedding  Classes
                         -
(w2179.doc)

pdf_c.zip

Illustrations 2 – Bedding Materials,  Cutting, Jointing & Pipelaying (w2180.doc)

Illustrations 3 – Construction  Details, Testing & Cost Saving (w2181.doc)

References (w2182.doc)