Who is doing what?
1 ... Purchaser resp. project-owner / 2 ... Engineering company resp. designing
3 ... Construction works / 4 ... Pipe-laying / 5 ... isoplus
# | Project phases | 1 | 2 | 3 | 4 | 5 |
---|---|---|---|---|---|---|
1 | Construction design, start of design procedure | • | ||||
2 | Customer, respectively user acquisition | • | ||||
3 | Calculation of required energy for users | • | ||||
4 | Hydraulic network-calculation resp. dimensioning | • | ||||
5 | First design | • | ||||
6 | Getting approvals from local authorities | • | ||||
7 | Measurement of designed trenches in lengths and heights | • | ||||
8 | Measurement of existing distributing lines | • | ||||
9 | Work out of trench design in lengths and heights | • | ||||
10 | Work out of material-list for the project | • | ||||
11 | Preparing of tender documents | • | ||||
12 | Dispatch of performance-description | • | ||||
13 | Price calculation of offer and placing of offer in time | • | • | • | ||
14 | Work out of project- time schedule | • | • | |||
15 | Placing of order | • | ||||
16 | Visit of building site before start of works | • | • | • | • | • |
17 | Eventually second common measurement of trench after agreement | • | • | |||
18 | Work out of pipe-static calculation of buried pipes | • | ||||
19 | Demonstration of pipe-static by presenting design for expansion pads | • | ||||
20 | Material specification of isoplus-pipes, fittings and accessories | • | ||||
21 | Equipment for building site | • | • | |||
22 | Marking of foreign pipelines along the new trench | • | • | • | ||
23 | Excavation of the pipeline-trench in consideration of standards and UVV | • | ||||
24 | Wall penetrations at the houses of the users | • | ||||
25 | Delivery of isoplus material | • | ||||
26 | Unloading and weather proof storage of isoplus material | • | ||||
27 | Draining of pipe trench and keeping it free until refilling | • | ||||
28 | Building site instruction by isoplus representative, after request | • | ||||
29 | Preparation of trench-bottom, placing of PU-bars, wooden bars or sand sacks | • | ||||
30 | Laying of isoplus pipes according to trench design in lengths and heights | • | ||||
31 | Information to isoplus in case of any modifications and wait for static acceptance | • | • | • | ||
32 | Visit of building site, discussion in order to find a solution in case of modification | • | • | • | ||
33 | Placing and connection of medium pipes and fittings according to standard | • | ||||
34 | If necessary concrete fix-points and wait for setting | • | ||||
35 | Controlling of medium pipe connections according to tender and standard | • | ||||
36 | Post insulation works at the jacket pipes connections | • | ||||
37 | Fixing of required expansion pads in accordance to design | • | ||||
38 | Eventual thermal pre-stressing (provide sand bridge) | • | • | |||
39 | Insert wall sealing into wall penetration and concrete | • | • | |||
40 | Acceptance of trench and approval for refilling by head of construction company | • | • | |||
41 | Sand filling up to 100 mm above pipe-top and compressing by hand | • | ||||
42 | Filling and compressing of trench from top of sand bed | • | ||||
43 | Heat shrinking of end caps at house-connections | • | ||||
44 | Installation of alarm wire-components | • | ||||
45 | Removing of remaining material and leaving of building site | • | • | • | ||
46 | Start of operation of pipe trench, handing over of documentation | • | • | • | • | • |
47 | Acceptance of authorities | • | • |