design of drainage system thesis

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Thesis Title : Design of Drainage System for Mataya Township Name of Candidate : Title Design of Drainage System for Mataya Township

Research Field Water Resources Engineering Objective • To prevent the flooding of the drain in the rainy season • To recharge ground water, to increase level of green infrastructure • To access the sufficient capacity of the drain Methodology • Define the location of study area with GIS survey and topographic map • Estimating storm water flow for sewer design by the Rational Method • Computed the travel time by the velocity method, the time concentration is the sum of the travel time • To compute velocities and flows in sewers for given slopes, depths of flow and pipe properties by using the Manning formula • To obtain the Peak Discharge of the Main Drain by Lloyed Davis Formula • Calculation of Normal Depth of Flow by the Manning equation and the solution solve explicitly by trial and error method. • Design for the Oxidation Pond by the BOD removal formula Expected Outcome • This study demonstrates the importance and effectiveness of an integrated economically sustainable approach to landscape management • Removal of accumulated and abandoned wastes from salt marshes and from the project area.

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IJEEIT : International Journal of Electrical Engineering and Information Technology

Fachrul Reza

Graha Wisata Sidoarjo Housing has a land area of 470,000 m2 located in Lebo Village, Sidoarjo District, Sidoarjo Regency. The housing is passed by the Anak Afvoer Sidokare channel. With the change in land function, it is necessary to analyze the capacity of the Anak Afvoer Sidokare watershed. The rainfall data used is the annual maximum rainfall from the rain station Durungbedug, Ketintang, Sidoarjo, Sumput .. The method of rainfall analysis uses the Log Pearson type III method. Planned flood discharge in the Anak Afvoer Sidokare watershed at 25 years using the Nakayasu method is 450.55 m3 / sec while the existing Afvoer capacity with dimensions of 10 m x 4.172 m is 537.39 m3 / sec, the cross section of the Son Afvoer Sidokare channel is not overflow.

Nigerian Journal of Engineering Science Research (NIJESR)

The effect of wrong and improper designing of drainage facilities has resulted in provision of inadequate and inefficient sections. This in turn among other things causes over flooding which invariably affect road pavements. This work follows a corrective step by step design approach of drainage facilities for prevention and control of flood more especially in road pavements. The design process and procedure for drainages involve the geological survey of the project area; hydrological analysis which involves determination of runoff coefficient, return period, time of concentration, storm runoff etc., hydraulic design which includes selecting optimal bedding slope S, appropriate material Manning’s roughness factor, n, and then determining adequate sizes of drainage channels such as rectangular and trapezoidal sections; and structural analysis of the drainage system. Finally, the durability and serviceability as well as efficient drainage capacity of drains depends on choose of adequate sizes of drainage channels and design approach outlined in order to prevent erosion, water logging and flooding.

Jurnal Teknik Sipil dan Perencanaan

Yeri Sutopo

International Journal of Engineering, Science and Information Technology

Isdaryanto Iskandar

Flood inundation occurs on main roads in Meulaboh City, especially when it rains. Johan Pahlawan District is one of the sub-districts in West Aceh Regency. This sub-district includes a densely populated area of 4243 people, which is in the urban area of Meulaboh City One is the road in Ujung Kalak Village, where floods often occur even though the village already has drainage. A study of the drainage profile is needed to determine the ability of the drainage to accommodate rainwater discharge. The purpose of this study is to find out whether the drainage capacity is able or not to accommodate rainwater discharge. Then proceed with redesigning of the drainage dimensions if the study results show insufficient drainage dimensions to accommodate flood discharge. The research method uses descriptive qualitative. Data collection begins with conducting field surveys to measure the dimensions of the existing drainage channel, including measuring the channel's width, height, and slope. Th...

Sohan Wijesekera

Matara Municipal Council area had been experiencing stormwater drainage problems causing inconvenience to public, interruption to work and damage to property. Though the Matara Municipal Council (MMC) had carried out a project in 2001 to develop its drainage canals, there were many cases of flooding within its boundary limits. In order to achieve a suitable plan for stormwater drainage management, the present work carried out an analysis of the associated stormwater drainage system. Systematic field data collection activities were done to identify the flood problem of the area, and to capture sufficient details of terrain and drainages. GPS surveys were conducted to identify the road and drainage alignments. A main feature of the study was the conduct of a road drainage survey which among many other details captured drainage directions along and across the roads. This survey helped to rationally identify the undulations in the terrain to generate the digital terrain model for the generation of stream network and delineation of watersheds. The 1:10,000 elevation data supported by the field work information showed the capability to generate a representative topography for stormwater drainage assessments. Analysis also used a simple Geographic Information System to prioritize critical flood affected areas and enabled identification of critical watersheds for engineering interventions. The present canal system was evaluated with that generated by the model and several sections were identified for early drainage designs these locations were verified in the field. Present work identified that in the MMC area 42% of roads coincide with the stream network indicating a loading of street stormwater drains with runoff generation as a result of terrain changes affected at individual compounds. 164 identified flood locations were analysed with drainage directions and surrounding elevations supported by detailed engineering inspections at specific locations to provide short term solutions. The study made recommendations with respect to development plan approval procedures, preparation of a suitable stormwater drainage database and the need of guidelines for developers to mitigate stormwater drainage problems as part of the long term solutions.

Bambang Sunarto

Recently, studies for the development of low-lying areas including swamps have become very important not only in Indonesia but also worldwide. Authors focused on drainage problems during heavy rainfall. Among the methods employed, mathematical model simulation of unsteady hydrological and hydraulic phenomena was adopted. This technology can be used not only for analyzing the present conditions of drainage, but also for evaluating plans for drainage improvement. The mathematical model should be modified to analyze hydrological runoff characteristics and operation rule of drainage facilities in Indonesia. The improvement of the drainage system must be performed in collaboration with the farmers and inhabitants. Methods of drainage analysis should be selected according to the respective stages of improvement. Discipline: Irrigation, drainage and reclamation Additional key words: low-lying area, runoff, hydraulic phenomena, mathematical model simulation J ARQ 30, 167 -173 (1996)

IRJET Journal

IJMRAP Editor

The Samarinda-Bontang axis road is the main route connecting cities in East Kalimantan to APT. Pranoto International Airport and connecting to Bontang and Tanjung Santan oil refineries. At STA 0+000 (Muara Badak three way juction) to STA 4+250 it often experiences flooding which can hamper transportation activities. The cause of flooding is from changes in land use and the existing condition of the channel that is too small. The purpose of this study was to evaluate the capacity of the drainage channel on the Samarinda-Bontang axis road. Calculation of flood discharge of 5year return period using the Nakayasu SUH method and flow modelling using the HEC-RAS application program. The 5-year design flood discharge for each channel is obtained as follows: the Right 1 was 2.323 m³/s, the Right 2 was 4.211 m³/s, the Right 3 was 12.469 m³/s, the Left 1 was 11.163 m³/s, the Left 2 was 14.759 m³/s and the Left 3 was 22.934 m³/s. It was concluded that Right Channel 1 did not overflow while the drainage channels, Right 2, Right 3, Left 2, and Left 3 overflowed. Because the dimensions of the new design channel are much larger, it is necessary to design other flood management alternatives such as the creation of reservoirs and/or infiltration wells.

Kamran Ansari

IOP Conference Series: Earth and Environmental Science

Bagus Prasetya

High population growth in the area of East Jakarta has led to more construction of settlements, including in several areas of East Jakarta, which includes Jalan Pengantin Ali in Ciracas Sub-District. When very heavy rains fall in the rainy season, this place is often flooded, while in the dry season there is a scarcity of raw water or clean water. This study examines the application of sustainable drainage systems with the technique of making a retention pond as a flood control alternative. The purpose is to hold water runoff during the rainy season so that it does not enter the river directly, and so that some of the collected water could be used to meet the clean water supply needs of the people. The calculation of rainwater potential used the height of the monthly average rainfall. The retention pond capacity was determined by the pool simulation method during the rainy season. The planned flood discharge was calculated using the Nakayasu HSS method. The obtained results indicate...

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