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	•	•

drucken

isoplus

Who is doing what?

Services