scholarly journals PERENCANAAN REHABILITASI SALURAN INDUK DAERAH IRIGASI CIBINUANGEUN DI KABUPATEN LEBAK PROVINSI BANTEN

2021 ◽  
Vol 3 (1) ◽  
pp. 1-6
Author(s):  
Restu Candra ◽  
Rino Dwi Sadi ◽  
Ma'ulfi Kharis Abadi

Irrigation is an effort to provide and regulate water for agricultural land. The main objective of this study is to plan the rehabilitation of the main channel of Cibinuangeun irrigation area, Lebak Regency, Banten Province. The main channel serves to carry water from the main network to the secondary channel and tertiary plot. The material can be made of masonry, concrete or masonry and concrete. The Cibinuangeun main channel relies on a water source from the Cibinuangeun river through the Cibinuangeun weir building. The Cibinuangeun Irrigation Area has a functional area 2570 ha. The condition of the Cibinuangeun main canal currently has a lot of damage, which results in water drainage being not optimal so it is necessary to plan for rehabilitation by directly examining the condition of the canals at the location to determine the volume of damage and calculate the cost of rehabilitation on the channel. The research method used is the Irrigation Planning Criteria issued by the Ministry of Public Works, Directorate General of Water Resources as the basis for standard irrigation planning. The results showed that the trapezoidal trunk channel and the current available flow rate were not in accordance with the initial planning of the Cibinuangeun main channel construction, due to sedimentation and damage to the walls and floor of the leaking channel. The level of damage to the main line reached 47,37% of a total trunk length of 950 meters. The planned cost required for the rehabilitation of the Cibinuangeun main channel is four hundred seventy million four hundred thousand rupiah.

2020 ◽  
Vol 3 (1) ◽  
pp. 395-401
Author(s):  
Husaini Husaini ◽  
Eldiana Fatimah ◽  
Masimin Masimin

Baro KananIrrigation Area is one of the irrigation areaswich is focused on increasing the productivity food crop in Pidie District. The irrigation area whose construction was completed in this 1997 serves to irrigate of agricultural land of 8,920 ha with the Krueng Baro river water source. At the last few years the Baro KananIrrigation Area experience limitations in the availability of water. The current problems on the Baro Kanan Irrigation Area is the reduced irrigation water discharge get to agricultural land. Performance evaluation of irrigation network is intended to get an overview the current conditions.The purpose of the study: 1) Knowing the discharge of water availability and the discharge of water requirements each month in reviewed of the factor K (water balance); 2) Knowing the condition of the irrigation network on the BaroKananirrigation systems; 3) Assessment irrigation network performance based on the Regulation of the Minister of Public Works and Public Housing Numbers 12/PRT/M/2015. The research method in the form of a survey and documentation for the assessment of irrigation systemincludes physical infrastructure, croping productivity, OP supporting facilities, OP implementing personnel organizations, documentation,and institutional condition P3A. From the results of the study obtained the level of water adequacy (factor K) on the Baro Kanan irrigation network of 67%, the condition of the physical infrastructure of 73,7%, croping productivity of 69,8%, OP supporting facilities of 88,4%, OP implementing personnel organizations 79,7%, documentation 62,8%, and institutional conditions P3A 12%. Based on the performance assessment referring to the Minister of Public Works and Public Housing Regulation Number 12/PRT/M/2015 concerning Exploitation and Maintenance of Irrigation Networks, obtained the performance of the Baro Kanan irrigation network in the catagory performance of less and need attention with a performance percentage of 67,62%.


Author(s):  
Eva Rita

In development and reconstruction of roads frequent changes work items, affecting the cost, turnaround time and quality of work. In order to determine what factors cause of the technical justification has conducted a study of eight packages of road construction and eight packages of reconstruction road capacity of West Sumatra in the unit Implementation of National Road Region I and Region II under  theNational Road Agency of West Sumatera Province. The work packages studied wasthe work conducted in 2009 to 2015. The method used was descriptive-evaluative research. Results of the study found the 7 causal factors do technical justification that the initial design of the contract is not in accordance with the results of the engineering field, not taking into account the design life of the road, , has not been calculated in detail the volume and the price for each item of work, do not pay attention to Standard Directorate general of Highways Ministry of public Works, the land is not available when the project is implemented, the results of field surveys for planning is not complete, and the occurrence of overlapping projects between the state and local budgets. To eliminate the occurrence of increased costs due to technical justification is necessary to complete the field survey by calculating in detail the volume and the price for each work item.


2020 ◽  
Vol 5 (2) ◽  
pp. 82
Author(s):  
Kartini Sari ◽  
Budiawan Sulaeman

Tujuan khusus penelitian ini untuk menganalisis banyaknya debit air dan efesiensi kebutuhan air pada jaringan irigasi sekunder di Kelurahan Mawa Kecamatan Sendana Kota Palopo. Urgensi penelitian ini, untuk mengetahui efisiensi irigasi dalam melakukan pengukuran dan pengaturan yang tepat sasaran, volume irigasi untuk memenuhi kebutuhan pertumbuhan tanaman. Metode yang digunakan dalam pengukuran debit adalah metode pelampung (apung) dengan Cara mengambil beberapa titik koordinat geografis irigasi untuk pengambilan data, sehingga memberikan data yang akurat dalam pengembangan irigasi di Kelurahan Mawa Kecamatan Sendana kedepan.Hasil penelitian; (1). Jumlah air yang masuk di saluran sekunder hulu sebesar 0.3580 m3/det., dan tiba di titik akhir penelitian sangat kurang yaitu sebesar 0.0985m3/det, dan jika dihitung secara keseluruhan dapat diketahui total jumlah debit airyang masuk pada jaringan irigasi sekunder Mawa yaitu 2,29170436 m3/det. atau setara dengan 2.291.704,36 liter/ha. (2). Efesiensi penggunaan air irigasi jaringan sekunder Mawa sebesar 36%, dan kehilangan air disepanjang saluransebesar 64 %, hal ini menandakan bahwa saluran sekunder Mawa masih belum mencapai standar efesiensi yang diharuskan oleh direktorat jendral pengairan, departemen pekerjaan umum yang dipersyaratkan dalam standar perencanaan irigasi KP-01.The specific purpose of this research is to analyze the amount of water discharge and the efficiency of water needs in secondary irrigation networks in Mawa Village, Sendana District, Palopo City. The urgency of this research is to determine the efficiency of irrigation in measuring and setting the right target of irrigation volume to meet the needs of plant growth. The method used in measuring discharge is the buoy method by taking several geographic coordinates of irrigation as data collection, so as to provide accurate data in the development of irrigation in Mawa Village, Sendana District in the future. The results: (1) The amount of water that enters the upstream secondary channel is 0.3580 m3/s and arrives at the endpoint of the study with a very low amount of water, namely 0.0985 m3/s, and if it is calculated as a whole it can be seen the total amount of water discharge. which is included in the Mawa secondary irrigation network, namely 2.29170436 m3/s or equivalent to 2,291,704.36 liters/ha. (2) The efficiency of the use of Mawa's secondary network irrigation water is 36%, and the water loss along the canal is 64%, this indicates that the Mawa secondary channel still has not reached the efficiency standard required by the Directorate General of Irrigation, under the Ministry of Public Works which is required in irrigation planning standards KP-01


Author(s):  
Yuriy Spirin ◽  
Vladimir Puntusov

In the Kaliningrad region there are about 70 % of all polder lands in Russia. On these lands with high potential fertility, it is advisable to intensive agriculture. The area for the average moisture year is an area with excessive moisture, which indicates the need to maintain the rate of drainage on agricultural land. Many different factors play a role in ensuring the drainage rate, one of which is pumping stations and pumping equipment installed on them. An important parameter in the use of pump-power equipment is energy consumption, since in this industry it is a considerable expense item. Improving the energy efficiency of pumping stations on polders is a pressing issue today. At the majority of polder pumping stations, domestic power pumping equipment is installed with excess power and head of 4–8 meters, and a new one is selected based on the maximum possible head in a given place. In the Kaliningrad region, the energy efficiency of polder pumping equipment has never been analyzed. In this paper, a statistical processing of the geodesic pressure of water at the polder pumping stations of the Slavsk region for 2000–2002 was carried out. On the basis of these data and data on the hydraulic characteristics of pressure pipelines, the calculated water pressures were determined for the rational selection of pumping equipment. The calculation of the economic efficiency of pumps with optimal power compared with pumps of excess capacity. The results of the study can serve as a justification for the transition to the pumping equipment with less power and pressure, which will lead to a decrease in the cost of money for electricity.


2021 ◽  
Author(s):  
Joris Smits ◽  
Laurent Ney ◽  
Thijs van Roosbroeck ◽  
Tom Spaargaren

<p>This paper describes a proposal for a Circular Arch Viaduct. The proposal was submitted for a competition for innovation launched by Rijkswaterstaat, the Dutch Directorate-General for Public Works and Water Management, under the title ‘SBIR (Small Business Innovation Research) Circular Viaducts and Bridges’. The authors of this paper are part of a consortium consisting of BESIX NL and Ney &amp; Partners. They have currently rounded up the first phase of the competition (Figure 1).</p><p>Our society has become accustomed to the permanent availability of raw materials; our economy has been running on them for decades. At the same time, the demand for mobility and reliable infrastructure continues to grow. How do we transform the construction industry to use 50% less primary raw materials in 2030 on the way to full 100% circularity in 2050? To answer this question the Circular Arch Viaduct was developed, based on three principles: (1) the reduction of raw materials, (2) the differentiation of materials in function of required strength, and (3) the reduction of waste through re-use and recycling<b>.</b></p><p><br clear="none"/></p><p>Figure 1. The current concept of the Circular Arch Viaduct.</p>


2015 ◽  
Vol 4 (2) ◽  
pp. 288 ◽  
Author(s):  
Nabil Al-Hazim ◽  
Zaydoun Abusalem

This study aims to identify the most important factors that cause delay in road construction projects in Jordan, which results in cost and time overrun allocated for this type of engineering projects and cause critical problems for both the developer and the contractor. The gap between the cost at completion and that originally estimated, known as cost overrun, can be regarded as one of the most important parameters reflecting the success of projects. In the public sector, money spent on project change orders results in increased construction time which in return reduces the number and size of the projects that can be completed during any given fiscal year. To achieve this goal, the documents and the final reports for several sample projects implemented over the years 2000 to 2008 were analyzed. All the projects were administered by the same organization taken from Jordan Ministry of Rural and Public Works. The results of this study can assist highway officials in their design, planning, scheduling and projects completions so that necessary actions can be taken to control these overruns in future projects. The study showed that 19 factors might cause delays of road construction projects as defined through a detailed literature review. The analysis of the study indicated that the top causes affecting time and cost overrun in road construction projects in Jordan are Terrain and Weather conditions.


Author(s):  
Frans Dhana ◽  
Dinar Dwi Anugerah Putranto ◽  
Betty Susanti

Sei Siulak Deras Irrigation Area is one of the Irrigation Areas located in Kerinci Regency based on the decision of Dinas Pekerjaan Umum dan Perumahan Rakyat (PUPR) regulations No.12/PRT/M/2015 concerning criteria and estabishment of Irrigation Area status with an area of 5,801 Ha. The authority for operational and maintenance implementation is handled by the Dinas PUPR of Jambi Province ( RTRW of Jambi Province, 2013). The performance of the Sei Siulak Deras irrigation network infrastructure is inseparable from the available maintenance budget, for this reason, it is necessary to conduct a study that analyzes the relationship between routine maintenance costs for the performance of irrigation network infrastructure in the Sei Siulak Deras irrrigation area of Kerinci District, Jambi Province.  In this study an examination of the existing conditions of irrigation networks involving 1 observer and 6 irrigation workers, the irrigation network inspection using the standards issued by the Operation and Maintenance Agency of the Dinas PUPR of Jambi Province. From the results of the correlation analysis the cost of routine maintenance on the performance of irrigation network infrastructure is 0.9, this indicates a strong relationship between the two variables. While the maintenance budget allocated by the government to the maintenance of irrigation network infrastructure is very lacking, amounting to IDR 806,081,000 from the budget for the maintenance of irrigation network infrastructure of IDR 3,580,984,372.57.


The development of dams and sediments ponds which is the hydrological planning to improve the aspect of irrigation, river engineering, foundations, soil mechanics, environmental engineering, hydrology and hydraulics. The management difficulty for a decision maker of environmental impacts which is the river's condition does not change for the better in direct response to reduction in nutrient concentration. The aims of this study to evaluate the design of reservoirs building and analysing the water flow and volume of sediment storage in the Binanga Aron River, Samosir, North Sumatera Indonesia. The hydraulic modelling on sediments ponds will ensuring the availability of sufficient volume of water, river flows and water quality status. The primary channel building is equipped with a door to prevent the rinsing water flow back to the primary channel and prevent the entry of rinsing water containing sediment into the canal. Then, the insufficient water availability from the river that is used as a water source in the irrigation area, then the irrigation area is still possible to supply water from nearby water sources. From the result, the volume of water recorded 1,977 ltr/s/ha with simultaneously delivery system. It is necessary to adjust the position of the dam, where the channel flow depth in the sedimentary bag building at least 0.236 m, the discharge ranges from 0.078 - 0.263 m3 /sec. The water availability planned of water sources into artificial reservoirs in the Binanga Aron River to maintain the water supply


Authentica ◽  
2018 ◽  
Vol 1 (1) ◽  
Author(s):  
Haedah Faradz

Tax as a source of income for state finance is a manifestation of the community's direct contribution to development goals. The Regional Government of Banyumas Regency on September 10, 2004 proposed the Acquisition of Non-Taxable Tax Objects to the Minister of Finance and based on the Decree of the Head of Regional Office of the Directorate General of Taxation of West Java dated Dec-ember 23, 2004, Kep 14 /WPJ 10/BD05/2004 determine the amount of the acquisition value of non-taxable objects in Banyumas Regency. The problem examined in this paper is The Role of Balancing Funds originating from the Fees for Acquiring Land and Building Rights in financing the administration of regional government in Banyumas Regency; and Factors that influence the receipt of balance funds from the Land and Building Rights Acquisition Fees in Banyumas Regency. The research method used was normative juridical, namely statue approach and conceptual approach then analyzed qualitatively. The cost of acquiring land and building rights (BPHTB) in financing the administration of regional government in Banyumas Regency was still relatively small, and its implementation was also influenced by several factors. Keywords: tax, Customs for Land and Building Rights, locally-generated revenue.


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