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All Journal Journal of Civil Engineering Science & Technology (CI-TECH)
Iwan Wahjudijanto
University of Pembangunan Nasional "Veteran" Jawa Timur
Civil Engineering, Building, Construction & Architecture Engineering Transportation

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FLOOD CONTROL OF LAMONG RIVER, GRESIK DISTRICT Oktaviani Dinda R; Iwan Wahjudijanto; Minarni Nur Trilita
Journal of Civil Engineering Science and Technology (CI-TECH) Vol. 1 No. 01 (2020): October 2020
Publisher : PROGRAM STUDI TEKNIK SIPIL - UPN "VETERAN" JAWA TIMUR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/ci-tech.v1i01.13

Abstract

Lamong River is located in East Java Province. The discharge of the Lamong River tends to be large, but it cannot be drained properly, so that the river overflows and causes Gresik Regency to experience flooding almost every year. The existing condition of the Lamong River is not able to accommodate the flood discharge. Therefore, it is planned to build a polder in the flood-prone areas of the Lamong River to accommodate the discharge that occurs. Polder on the Lamong River is planned with an entry discharge into the retention pool of 85% using a pump with a suction capacity of 5 m3 / s and 3 m3 / s. The dimensions of the Polder pond used in pond I are 530 m long, 530 m wide, 8 m deep, II pool size 540 m long, 540 m wide, 8 m deep, pool size III is 550 m long, 550 m wide, depth 8.5 m, the size of pool IV is 580 m long, 580 m wide, 9 m deep, for V pool size is 600 m long, 600 m wide, 9 m deep, and for pool VI size is 600 m long, 600 m wide m, 9 m depth. Each pool has 3 sluice gates with a size of 2 m per door with a door opening height of 1.32 m and a drain dimension of 3 m long, a channel width of 8 m, and a channel height of 3.46 m.
PERAMALAN TINGGI GELOMBANG PECAH DI GARIS PANTAI KECAMATAN PANCENG KABUPATEN GRESIK Syah Putra Aira Loka Loka; Iwan Wahjudijanto; Minarni Nur Trilita
CI-TECH Vol. 2 No. 2 (2021): October 2021
Publisher : PROGRAM STUDI TEKNIK SIPIL - UPN "VETERAN" JAWA TIMUR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/ci-tech.v2i2.43

Abstract

Shoreline is a line where the edge of the land and the sea met. Various amount of shore construction was built around the shoreline. The safety of surrounding community near the shoreline should be considered before the government planning on near shore and shoreline facility. Therefore, breaking waves height become important because of the impact that it brought to the shoreline, such as the destructive energy that breaking waves generates which would wipe anything that existed alongshore. Using the data collected from BMKG (Meteorology, Climatology, and Geophysics Council), maximum wind stress at the Panceng Sub-District was 17,2 m/s. Average effective fetch at Panceng Sub-District was 331,68 km with 5 m significant wave height and 11,2 s period. Breaking wave height at Panceng Sub-District is 5,5 m.
Co-Authors Oktaviani Dinda R Syah Putra Aira Loka Loka