COMPARATION BETWEEN SUSPENDED OR SEABED PIPELINE INSTALATION FOR INTER ISLAND FRESH WATER SYSTEM

Suyono, Tri and Purna Irawan, Agustinus and Asriningsih Pranoto, Wati and Fudholi, Ahmad (2020) COMPARATION BETWEEN SUSPENDED OR SEABED PIPELINE INSTALATION FOR INTER ISLAND FRESH WATER SYSTEM. ARPN Journal of Engineering and Applied Sciences, 15 (7). pp. 862-866. ISSN 1819-6608

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Abstract

Provision of drinking water in small islands that do not have the potential for fresh water needs to be done with
several alternative technology applications. One of the technologies being carried out is by installing underwater drinking
water pipes. Taking into account the operational technical factors, at sea depths above 30 m, several considerations need to
be taken into account, given that installing pipes at these depths is difficult to control pipes manually, so additional
equipment is needed for the safety of workers who will control the installed pipes, so this problem the best solution must
be found. One problem that must be considered is the selection of pipe specifications that must meet technical
requirements. Pipeline selection was carried out by conducting a study through the pipeline model and needs to be studied
carefully and thoroughly so that the installed pipe is completely safe in the sea and does not suffer damage due to forces
acting on the pipe caused by ocean currents, waves and underwater conditions others. The installation model that will be
examined is the installation model suspended in the sea and installation on the sea floor. From the results of the analysis
conducted on the pipe suspended in the sea with a depth of over 30 m and the installation of pipes on the seabed shows that
the pipe installed in the sea is more stable both from the effects of waves and ocean currents with a smaller deformation
value compared to the pipe that is installed suspended in in the sea. Pipe installed suspended in the sea with a span of 2,500
m and given a weight of 65 kg with a distance of 12 m can experience vertical deflection down to 2,775,326 mm. Pipes
placed at the bottom of the sea are more stable because the flow of waves and waves is already small so that the pipes are
more stable and do not oscillate. The recommended pipe installation is seabed with pipe specifications in accordance with
the conditions of the Hiri Strait, namely HDPE pipes with a nominal pressure of at least 25 bar.

Item Type:	Article
Subjects:	Penelitian > Fakultas Teknik
Divisions:	Fakultas Teknik > Teknik Sipil
Depositing User:	Unnamed user with email repository@untar.ac.id
Date Deposited:	01 Jul 2020 10:37
Last Modified:	04 Jul 2021 22:45
URI:	https://repotest.untar.ac.id/id/eprint/12958

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