SOLO, KOMPAS.com – In order to support food security, the Ministry of Public Works and Public Housing (PUPR) not only build new reservoirs, but also build and rehabilitate irrigation networks.
One way is to rehabilitate the irrigation network Irrigation Area ( DI) Colo in Central Java province which covers an area of 25,000 hectares.
“Initiatives Colo aims to raise agricultural index (IP) was originally in the 200 to 300, meaning that all be functioning optimally,” said Head of Executing Water Utilization Network (PJPA) Central River Region (BBWS) Bengawan Solo Sigit Santoso, in Weirs Colo, Thursday (12/15/2016).
Sigit added, since the construction of weirs Colo in 1982 , rehabilitation new massively implemented in 2016.
rehabilitation is following the damage that has already reached 50 percent due to sedimentation.
“have not been rehabilitated since the function 1987 only minor rehabilitation course and many channels that have not been in the lining so that the water does not get into the fields, “he added.
There is no budget for the initiatives amounted to Rp 265.36 billion, implemented with multi-year contract since August 2016.
through these activities are expected in 2019 the irrigation network is already 100 percent according to function.
“the contracts expire in 2019, but through the acceleration of these activities will be completed in 2018,” said Sigit.
irrigation network DI Colo sourced from the reservoir and consists of two irrigation networks, the network of irrigation Colo Eastern Colo West.
the irrigation network Colo East has a channel capacity 24 cubic meters per second to irrigate an area of 20 thousand hectares crossing Sukoharjo, Karanganyar, Sragen and Ngawi (East Java).
Meanwhile, Western Colo irrigation networks have the channel capacity of 5.30 cubic meters per second to irrigate an area of 5 thousand hectares across Wonogiri, Sukoharjo and Klaten.
the irrigation network DI Colo sourced from Dam Wonogiri and weirs Colo which is located in the village of Pengkol, District Nguter Sukoharjo regency.
the presence of sediment reach six million cubic meters making Dam Wonogiri experiencing silting so that the flow of water towards the weir Colo brings granular sludge sedimentation.
this has an impact on the building making (intake) which resulted in the discharge of water needed to be reduced.
in addition, the other impact is the community needs to raw water, electricity, and irrigation was lessened and distribution be no maximum.
“the longer the use of water instead of getting down but getting up so that if the first could accommodate many dwindling yes more and also reduced its distribution. Especially in the dry season looks equally noisy problem of water shortage, “complete Sigit.
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