Archivi tag: pipe bursting

LARGE DIAMETER DYNAMIC PIPE BURSTING FOR SEWER REPLACEMENT

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Client: EUROSCAVI Srl – Italy

Year: 2016

What I did: I made the detailed design of the replacement by dynamic pipe bursting of a DN600 (24″) sewer concrete pipe with a DN800 (32″) HDPE pipe; I coordinated all the geological/geotechnical preliminary survey and I also made the detailed design of the bursting-expanding head, tailored shaped to work with a Tracto Technik TAURUS rammer (24″). The expander has an outside diameter of 1000 mm. The soil was sand with coarse to very coarse gravel.

LARGE DIAMETER DYNAMIC PIPE BURSTING FOR SEWER REPLACEMENT
Plan view of the pipe replaced by dynamic pipe bursting.
Longitudinal section of the pipe replaced by dynamic pipe bursting.
The soil was sand with coarse to very coarse gravel.
Longitudinal section and plan view of the insertion pit.
The tailored-shaped bursting-expanding head.
The insertion stage.
Close-up of the connection between the tail of the expander and the new HDPE pipe
The insertion stage.

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PIPE BURSTING AND UV-CIPP AT THE FLORENCE AMERICAN CEMETERY OF THE WWII

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Client: SPUNTON IMPIANTI Srl – ADVANCED SERVICES Srl – Italy

Year: 2012

What I did: detailed design and project management of the replacement, by pipe bursting, of concrete sewer pipes DN200-400 (8-16 in) and of the rehabilitation by UV-CIPP of concrete sewer pipes DN 250, 400, 600, 700, 800, 900 and 1000 mm (10, 16, 24, 28, 32, 36 and 40 in) for a total length of 2,5 km (1,6 miles) at the Florence American Cemetery of the WWII.

PIPE BURSTING AND UV-CIPP AT THE FLORENCE AMERICAN CEMETERY OF THE WWII
Plan view of the work - 2.5 km of existing pipes, replaced by pipe bursting or rehabilitated by UV-CIPP.
40 t pulling unit.
40 t pulling unit.
The product pipe and the bursting assembly (bursting head and expansion cone) ready to be inserted in an existing concrete pipe.
The insertion of the product pipe (DN250 HD PE100 RC) in the existing pipe (DN200 concrete).
The insertion of the product pipe (DN250 HD PE100 RC) in the existing pipe (DN200 concrete).
The bursting assembly at the exit pit.
Bursting stage in a complex node of the network.
End of the replacement.
A structural DN700 UV-CIPP liner ready to be pulled into an existing concrete pipe.
Pull-in stage of a structural DN700 UV-CIPP liner.
The capstan winch during the pull-in stage.
The free end of the UV liner ready to be pulled into the existing concrete sewer main.
Placement of the UV packer at one end of the liner.
UV light core.
Insertion of the UV light core into the liner.
The control console of the UV curing process.

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