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PERENCANAAN SISTEM POLDER KOTA LAMA SEMARANG Dwitama Aji Putriana; Luckman Ismail; Suripin Suripin; Priyo Nugroho Parmantoro
Jurnal Karya Teknik Sipil volume 1, Nomer 1, tahun 2012
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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ABSTRAKKota Lama Semarang merupakan daerah yang mengalami penurunan tanah (land subsidence) besar, ± 5 cm/tahun. Hal ini menjadikan elevasi muka tanah lebih rendah dari elevasi muka air laut pasang dan muka air banjir sungai sehingga mengakibatkan banjir dan rob di daerah Kota Lama Semarang. Permasalahan ini diatasi dengan drainase sistem polder (sistem non gravitasi). Laporan Tugas Akhir ini bertujuan melindungi Kota Lama Semarang dari banjir dengan cara mendesain drainase sistem polder dengan komponen-komponennya, yaitu: kolam retensi, saluran primer, rumah pompa, saluran pembuang, dan tanggul. Metode yang dilakukan meliputi: survei lapangan, identifikasi masalah, perumusan masalah, tinjauan pustaka, pengumpulan data, analisis data hidrologi, perencanaan teknis seluruh komponen, perhitungan RAB dan time schedule, pembuatan Rencana Kerja dan Persyaratan Teknis, serta pembuatan metode pelaksanaan kerja. Pada sistem polder ini direncanakan kolam retensi dengan kapasitas tampungan 18363.25 m3, saluran primer sepanjang 6.105 m menggunakan precast, tiga pompa masing-masing berkapasitas 0,5 m3, saluran pembuang sepanjang 550 m menggunakan pipa baja, serta peninggian jalan setinggi 30 cm yang difungsikan sebagai tanggul pada Jl. Taman Tawang, Jl. Merak, Jl. Cenderawasih, Jl. Empu Tantular, Jl. Sendowo, dan Jl. KH. Agus Salim. Anggaran yang dibutuhkan dalam pembangunan sistem polder Kota Lama Semarang sebesar Rp 34.858.000.000,00. Dalam perencanaan diperhatikan time schedule dan traffic management, mengingat wilayah pelaksanaan merupakan wilayah padat penduduk dan memiliki arus lalu lintas padat. Selain itu dilakukan sosialisasi terhadap warga setempat agar ikut berperan serta dalam pemeliharaan seluruh komponen sistem polder sehingga sistem polder berfungsi secara optimal dan bertahan selama umur rencana. Kata kunci : polder, saluran, pompa, kolam, tanggul ABSTRACT Kota Lama Semarang was an area where had land subsidence ± 5 cm/year. It made the land surface elevation of Kota Lama Semarang is lower than sea water level and river water levels. It made flood and tidal flood happened in Kota Lama Semarang. The problem was treated by applying polders system drainage (non-gravity systems). The Final report aimed to protect Kota Lama Semarang from flooding by applying design polder system with its components, namely: retention ponds, primary canals, pumping stations, discharge channels, and dikes. The methods included: field surveys, problem identification, problem definition, literature review, data collection, analysis of hydrological data, technical for all components, the calculation of project cost and the time schedule, the stage of the Work Plan and Technical Requirements, and manufacturing method of the project.The polder system is planned retention pond for 18363.25 m3 capacity, 6105 meters of primary channels using precast, three pumps with each pump has 0.5 m3 capacity, 550 m of long exhaust duct using steel pipes, and 30 cm of highly the elevation road that used as embankment on Parks Tawang st., Peacock st., Cenderawasih st., Tantular masters st., Sendowo st., and KH. Agus Salim st. The cost to build this polder system is Rp 34,858,000,000.00. In the construction, it have to be known time schedule and traffic management, because the area has densely residential areas and has enough traffic flow congested. Beside of calculating the technical, it is needed to socialize with local citizen in order to participate in the maintenance of all components of the system so the polder system drainage can be used optimally and persist throughout the life of the plan.Keywords: polder, channels, pumps, ponds, dikes.

ANALISA TATA RUANG PARKIR DAN MANUVER KENDARAAN BERAT ANGKUTAN BARANG PADA JEMBATAN TIMBANG BERDASARKAN PERATURAN PEMERINTAH NOMOR 74 TAHUN 2014 Arifin Dian Wardhanto; Ilham Chandra Feriawan; Djoko Purwanto; Kami Hari Basuki
Jurnal Karya Teknik Sipil Volume 5, Nomor 2, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Weighbridge is one of facilities used to control the freight transport in Indonesia. This study aims to determine the proper parking configuration that can be applied to every weighbridges in Indonesia, to support The Government Regulation Number 74, 2014. This study uses Tanjung Weighbridge and Toyoga Weighbridge as the location of the focus case. In this study, the main thing to be analyzed are the parking space requirement and the requirement of space for vehicles’ movements. The method used to analyze the parking space requirement is the calculation method by using the load inspection data provided by Dishubkominfo Jateng. Whilst the method used to analyze the requirement of space for vehicles’ movement is the simulation method, by using Vehicle Tracking software. The result is obtained from the calculations of the parking space requirement, with the result of 3 parking spaces for Medium Truck, 4 parking spaces for Big Truck, and 2 parking spaces for Coupled Truck and Semitrailer at Tanjung Weighbridge. For Toyoga Weighbridges, the required parking spaces are 2 parking spaces for Medium Truck, 4 parking spaces for Big Truck, and 3 parking spaces for Coupled Truck and Semitrailer. The result of the parking layout configuration concludes that those weighbridges don’t have enough available space to accommodate the amount of the required parking spaces, so the area of those weighbridges need expansion, with the land expansion of 1576 m2 for Tanjung Weighbridge and 1682 m2 for Toyoga Weighbridge. After that, by using the result of parking configuration for those two weighbridges, the ideal parking configuration can be configured as the base of parking configuration for every weighbridges in Indonesia. Based on the analysis that we did, Tanjung and Toyoga Weighbridges need area expansion to provide a good parking configuration and also need to improve the infrastructure and human resources in order to support the ability of those weighbridges to match the new government regulation.

ANALISIS DAMPAK LALU LINTAS AKIBAT PEMBANGUNAN BEST WESTERN STAR HOTEL DAN STAR APARTEMENT SEMARANG TERHADAP KINERJA JARINGAN JALAN SEKITAR Hayu Rahayu; Misi H. Wijaya; Bagus Hario Setiadji; Wahyudi Kushardjoko
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Best Western Star Hotel and Star apartments located in the MT. Haryono are currently being built into the new residential alternative in Semarang. This triggers resurgence, resulting jam in the area will increasing. The situation of the MT. Haryono street before Best Western Star Hotel and Star Apartments are built was very crowded in the morning, afternoon and evening due to the shopping and offices centers. Because of these problems, it will be planned traffic management, road widening, and green design time. In this study will be discuss about traffic performance’s existing, traffic performance after the construction of the building, traffic performance in 2018, and traffic performance after the application of some solutions. The analysis method that will be used is the analysis method of MKJI 1997. The method is used to analyze the condition of roads and hotspot intersections. Vast amount of hotel rooms and apartment per unit is calculated to obtain the resurgence happened. The amount of Best Western Star Hotel and Star Apartment’s resurgence then charged on each road, after getting overburdened volume of traffic resurgence, do the analysis of road and hotspot intersections performances. From the amount list of vehicles in each years from 2007 through 2011 was found the growth rate. The growth rate is used to predict the traffic conditions for the coming 5 years, so it can be selected the solution that can solve the problems for the coming 5 years. Test result are as follows : 1). The Best Western Star Hotel and Star Apartment’s resurgence caused 844 pcu/hour. 2). The growth rate of the vehicle is 3,94% per year. 3). The traffic management deemed not able to overcome the jam’s problems that occured. 4). Need to do road widening at Sriwijaya street and transforming the Lampersari street to become 1-way street. 5). Need to do redesign the green time.

PENGARUH POLA KEBIJAKAN PRODUKTIVITAS KONSTRUKSI INDONESIA TERHADAP DAYA SAING INFRASTRUKTUR Fence Stone Tarigan; Daud Okt Sakti Hutagalung; Ferry Hermawan; Riqi Radian Khasani
Jurnal Karya Teknik Sipil Volume 6, Nomor 4, Tahun 2017
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Sektor konstruksi mempunyai peran penting dalam menggerakkan sektor riil dan meningkatkan pertumbuhan ekonomi dengan menciptakan lapangan kerja dan peningkatan produktivitas serta daya saing konstruksi. Untuk itu diperlukan adanya kebijakan – kebijakan yang mengatur tentang hal – hal yang mempengaruhi produktivitas (5M) terutama pada bidang konstruksi sehingga terjadi peningkatan produktivitas yang secara tidak langsung akan meningkatkan daya saing infrastuktur. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh pola kebijakan produktivitas konstruksi Indonesia terhadap daya saing infrastruktur berdasarkan data – data seperti UU Jasa Konstruksi, UU Ketenagakerjaan, Peraturan Presiden, Peraturan Menteri ,Peraturan Daerah dan Standar Nasional Indonesia (SNI) beserta data – data sekunder seperti jumlah penduduk Indonesia, jumlah tenaga kerja konstruksi, jumlah tenaga kerja konstruksi ahli dan terampil, nilai konstruksi yang diselesaikan dan proyek strategis nasional yang dikeluarkan oleh Badan Pusat Statistik (BPS). Untuk mengolah data – data tersebut dipakai metode penelitian yang digunakan adalah analisis deskriptif dan metode Crosstab. Kesimpulan dari penelitian ini adalah kebijakan – kebijakan yang dibuat pemerintah dalam hal produktivitas konstruksi secara tidak langsung berpengaruh terhadap daya saing insfrastuktur seperti semakin meningkatnya nilai konstruksi yang diselesaikan, semakin banyaknya proyek stategis nasional yang rampung sesuai dengan tahun pengoperasian dan peningkatan tenaga kerja konstruksi yang bersertifikasi.

PERENCANAAN DERMAGA PELABUHAN TANJUNG BONANG REMBANG Rizqi Maulana Wijaya; Purwanto Purwanto; Priyo Nugroho P.
Jurnal Karya Teknik Sipil Volume 3, Nomor 4, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Jetty Tanjung Bonang Rembang Port located on the coast of Sendangmulyo Village, Sluke Sub District, Rembang District, Central Java Province. This jetty construction is aiming to serve 10,000 DWT general cargo ship and to maximize distribute goods in the area of Rembang and surroundings. In order to support this jetty is needed planning for a navigation channel, port basin, breakwaters, as well as dimensions and structure of the jetty along with the attributes. Navigation channel of Tanjung Bonang Rembang Port is planned facing towards Northeast with depth that is used at least -10.5 m, navigation channel width is taken by 137 m and port basin depth is -10 m. The type of breakwaters structure is rubblemound breakwaters for the west side and east side. The structure of jetty is used local cast reinforced concrete with strength of concrete f'c = 35 MPa. Foundation structure are using steel piles with quality JIS A5525, SKK 400, fy’ = 2,350 kg/cm2. In the planning of this jetty, system structure is analyzed by using the program SAP 2000 with 3D models. Load and reinforce structures is controlled by SNI regulations and BMS 1992. From the designing plan result is obtained that jetty consists of a jetty head and 2 trestle. The dimension of jetty head is 170 m length and 22 m width, while the dimension of trestle is 26 m length and 10 m width. The jetty beam dimension is 40 cm width and 60 cm height, while the pile dimension is 45 cm diameter, 1.2 cm thickness, and 20.65 m length for vertical pile and 20.75 m length for diagonal piles with slope ratio 10 V: 1 H. Pile cap dimension for single pile on jetty head and trestle is 1 x 1 x 1.5 m. Pile cap dimensions for double pile on jetty head is 1.5 x 1 x 1.5 m, and pile cap dimensions for the edge of jetty head is 1.6 x 1.2 x 2.6 m. On the berthing structure is used Fentek Arch Fender-type AN 600 L = 2,500 mm and the mooring structure is used Bollard and Bitt with a capacity 50 tons.

PERENCANAAN DRAINASE YANG BERWAWASAN LINGKUNGAN PADA JALAN TOL SEMARANG – SOLO Andhika Rhama Mahardika; Fahmi Anggriawan Yulianto; Suripin Suripin; Hari Budieny
Jurnal Karya Teknik Sipil Volume 2, Nomor 4, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Semarang – Solo Toll Road is the fastest access between Semarang and Solo. This toll road have been operated gradually in phase I (passing through Penggaron, Gedawang, and Bergas region along 24,75 km) since 2011. The construction of this toll road lead to the change of land use and increased impermeable surface area so that rainfall can’t be absorbed into the soil and resulting in increased runoff flow and volume. Increment of the runoff flow and volume if not handled immediately will cause flood. To overcome this, the runoff flow that occurs at this time should be returned to the state before the Semarang – Solo toll road was made. Design of sustainable drainage system is used to decrease runoff flow that increased due to the development of the toll roads. The design of this sustainable drainage system is planned along the 8,475 km from phase I. Sustainable drainage system can be defined as an effort to manage the excess water by artificially percolate it into the ground or flow it into the river without exceeding the capacity of the river. The facilities that offered in this final task is to build infiltration wells in the drainage channels. To restore the flow and runoff volume to pre-construction conditions, it takes 5.682 pieces of infiltration wells. From the analysis and calculation result, the number of infiltration wells that can be installed are 2.581 pieces. That is equal to 45,42 % of the overall that required to overcome the effect of runoff flow of Semarang – Solo toll road development.

ANALISA PERILAKU DAYA DUKUNG TIANG TUNGGAL DENGAN RUMUS STATIK DAN MODEL FISIK PADA TANAH PASIR Izzet Hekmatyar; Ikhsan Fauzy; Indrastono Dwi Atmanto; Kresno Wikan Sadono
Jurnal Karya Teknik Sipil Volume 6 ,Nomor 1, Tahun 2017
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Untuk menunjang pertumbuhan ekonomi, perlu adanya pembangunan infrastuktur yang signifikan. Pembangunan infrastruktur sangat erat hubungannya dengan konstruksi bangunan sipil. Semakin besar suatu bangunan sipil maka dibutuhkan pondasi yang kuat pula untuk mendukung struktur di atasnya. Untuk konstruksi gedung, jembatan, dan bangunan lain yang memiliki elevasi yang tinggi, biasanya menggunakan struktur pondasi berupa pondasi tiang. Pondasi tiang yang biasanya dipakai adalah pondasi tiang pancang dan pondasi bored pile. Sebuah pondasi tiang akan memiliki sebuah daya dukung sebagai akibat dari beban struktur di atasnya. Daya dukung tiang dibagi menjadi dua yaitu daya dukung tiang ujung dan daya dukung tiang friksi. Nilai daya dukung tiang ujung dan daya dukung friksi tersebut nantinya dijumlahkan sehingga diperoleh daya dukung ultimate tiang. Pada kenyataannya, hasil perhitungan rumus empiris dan hasil kenyataan di lapangan masih belum sama persis. Dari permasalahan diatas maka dilakukan penelitian dengan membandingkan hasil perhitungan di lapangan dengan hasil pengujian dengan skala kecil di laboratorium. Dari penelitian tersebut diharapkan dapat memperoleh suatu rumusan perbandingan dari hasil perhitungan dan pekerjaan tiang pancang di lapangan sehingga kedepannya untuk merancang pondasi tiang pancang dihasilkan hasil yang valid

PERENCANAAN SALURAN DRAINASE KAWASAN OASIS PT. DJARUM KUDUS DI KABUPATEN KUDUS Ardianto Wibowo; Mohammad Yudhi Widyatmoko; Suseno Darsono; Sugiyanto Sugiyanto
Jurnal Karya Teknik Sipil Volume 3, Nomor 1, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Drainage problems, especially in the cities of Indonesia has become important with the frequent occurrence of flooding or water logging in the rainy season at urban areas that disrupt people life and obstruct transportations fluency and cause property losses in large enough quantities. The main cause of flooding or water logging is a change from the natural landscape into the development environment, hence, increasing impermeable surfaces, such as roads, parking areas, sidewalks, and residential areas. This change reduces, disrupts, or eliminates the natural vegetation, land surface, basin, and natural drainage pattern that prevents, vaporizes, stores, issues slowly and absorbs the rainwater. The impact of changes in the landscape of OASIS Area of PT. Djarum Kudus is the increasing direct runoff (run off) while reducing water seep into the ground so that it can make the puddle of water. In its planning, the hydrologic analysis using the 15 years of rainfall data in Sta. Kedung Gupit is performed. In hydrologic analysis of this planning is applied the probability distributions of Log Pearson type 3 and is used EPA SWMM program with 10-years return period of flooding, thus, it is obtained the maximum flood discharge before construction in the amount of 9.05 m3/second and the maximum flood discharge after development in the amount of 16.69 m3/second. Based on the results of that analysis, the planning of drainage canals is carried out. In the planning, the used drainage canals are new drainage canals which are constructed at the OASIS area of PT. Djarum Kudus. The dimensions of the drainage canals that are used vary from the largest with the dimension of 2.5 m x 3 m and the smallest with the dimension of 0.6 m x 0.6 m. Furthermore, to determine the effectiveness of the drainage canals, it is modeled using HEC RAS program. In the calculations using that program, all the canals that are planned in the OASIS area of PT. Djarum are currently able to accommodate water during the flooding for return period plan of 10 years. Planning areas OASIS Drainage System PT. Djarum Kudus produces The dimensions of the drainage canals that are the largest with the dimension of 2.5 m x 3 m and the smallest with the dimension of 0.6 m x 0.6 m. The construction of drainage canals at OASIS area of PT. Djarum Kudus takes time for 4 months with a total cost incurred is 9,490,131,000.00 (nine billion four hundred and ninety million one hundred and thirty-one thousand rupiahs).

PERENCANAAN STRUKTUR GEDUNG KULIAH FAKULTAS EKONOMI UNNES SEMARANG Adhitya Pratama; Januar Oni Bagus A; Hardi Wibowo; Parang Sabdono
Jurnal Karya Teknik Sipil Volume 7, Nomor 1, Tahun 2018
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Struktur Gedung Kuliah Fakultas Ekonomi UNNES Semarang didesain dengan mengacu pada SNI 03-2847-2013, SNI 03-1726-2012, dan PPIUG 1987. Metode dynamic respons spectrum digunakan dalam menganalisis gempa. Struktur terletak pada kelas situs tanah sedang dan termasuk kedalam Kategori Desain Seismik tipe D, maka gaya gempa pada struktur direncanakan dengan menggunakan konfigurasi struktur Sistem Rangka Pemikul Momen Khusus (SRPMK). Sistem rangka berupa rangka yang tersusun dari balok dan kolom, dimana kolom dibuat lebih kuat dari balok (strong column weak beam). Untuk menghindari terjadinya kegagalan struktur pada pertemuan balok-kolom, maka sendi plastis direncanakan terjadi di balok sedangkan pada kolom sendi plastis hanya terjadi di kolom bagian atas pondasi. Program analisis struktur digunakan untuk membantu pemodelan struktur dan menghitung gaya dalam yang bekerja pada struktur. Material yang digunakan yaitu beton f’c 30 MPa, sedangkan untuk besi tulangan fy 400 MPa dan 240 MPa

PENGEMBANGAN SUNGAI BANJIR KANAL TIMUR SEMARANG SEBAGAI TRANSPORTASI SUNGAI UNTUK TUJUAN WISATA Amar Ma'rruf; Adik Satya Graha; Salamun Salamun; Ismiyati Ismiyati
Jurnal Karya Teknik Sipil Volume 4, Nomor 4, Tahun 2015
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Tourism is a sector that can potentially be developed to finance local expenditure. Especially Semarang City Government, actively prosecuted in tourism development with the potential to manage objects in the city of Semarang. Old City is one of the attractions that are less optimized, so that the East Canal Flood Basin Development Semarang can increase tourism demand in the Old City is the transport stream that is integrated with the shuttle bus in the Old City. The purpose of this study was to analyze the East Flood Canal apart as if the flood control can also be used as the transport stream as the water tourist destination in the city of Semarang. Methodology used in the study of development of River Flood Canal Tmur Semarang As river transport to destination covering methods of qualitative and quantitative methods. Qualitative method with a questionnaire to determine the potential demand in the Old Town, while the quantitative method with HEC-RAS program to analyze hydrological and determine discharge plans. Ouput obtained from this study is the use of river tourism speedboat 8 m 2 open with 8 m long, 2.2 m wide and 0.4 m draft and is integrated with the shuttle bus pick-up two levels. Ship Operating Costs amounted to Rp 1,052,717,443,-/year for a fee ranging from investments to cost management and management with 8 times the trip in one day. Rates are charged per passenger Rp 18 208, - for a one-way trip.

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