9 3 2015 CALPEX district heating pipe CPX Subject to technical changes 10 10 10 10 10D D D D B 4 x D 5 x 10 10 10 30 D 60 T 1 2 3 10 10 10D D 10 5 10 30 D D 60 T B 1 2 3 Trench dimensions 1 505 Trench profile 2 CALPEX pipes Casing pipe Width Depth Minimum Ø D B T bending radius mm cm cm m 78 45 80 0 7 93 50 80 0 8 113 55 85 0 9 128 55 85 1 0 143 60 85 1 1 163 65 90 1 2 183 70 95 1 4 202 75 95 1 4 250 80 100 Casing pipe Width Depth Minimum Ø D B T bending radius mm cm cm m 93 30 80 0 8 113 30 85 0 9 128 35 85 1 0 143 35 85 1 1 163 35 90 1 2 183 38 95 1 4 Trench profile 4 CALPEX pipes 1 Pipe warning tape see sheet CPX 1 430 2 Excavated material 3 Sand washed max grain size 8 mm SLW 30 300 kN total load as per DIN 1072 if subject to higher traffic loads e g SLW 60 a load distributing superstructure as per RStO75 is required With no traffic load the minimum trench depth T can be reduced by 20 cm Installation depth Max installation depth 2 6 m Our approval is required for installation at greater depths Figures in cm Figures in cm 1 2 3 10 10 3060 D T 10 10 10D D B 10 10 306 0 D T D10 10 B 1 2 3 UNO DUO QUADRIGA

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