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181	Civil Engineering	ABS-154
Characteristics of Porous Asphalt Mixtures Using Cariphalte Modified Asphalt and Gilsonite Additives Geni Firuliadhim*, Asep Sundara, Risna Rismiana Sari, Arief Aszharri Jurusan Teknik Sipil, Politeknik Negeri Bandung,Bandung 40012 *genifirdh[at]yahoo.co.id Abstract Asphalt porus is a mixture of asphalt with an aggregate composition using uniform gradations, ie gradations that have a greater percentage of coarse aggregate than fine aggregate. Promoted effectively to improve traffic safety in the rainy season, rapid drainage of water from the pavement surface which reduces wet time from the surface, reduces noise levels and greater resistance to slippage. The method used in this study is an experimental method with laboratory scale.The aggregate used in this study will use gradations in Australia. While the added material used is gilsonite, with variations of gilsonite of 4%, 5%, 6%, 7%, and 8%. The design is used for testing the characteristics of Marshall. The purpose of this study was to obtain the characteristics of the asphalt porus mixture using cariphalte shell modified asphalt and the addition of gilsonite, obtain optimum gilsonite levels in the asphalt porus mixture, and analyze and compare the stability value of the marshall porus asphalt mixture. The results of this study can help develop science and technology in the field of road construction, especially flexible pavement and can be used as an alternative solution for flexible pavement construction that can later hold and drain water. Keywords: Porus Asphalt; Gilsonite; Shell Cariphalte Share Link | Plain Format | Corresponding Author (Arief Aszharri)

182	Civil Engineering	ABS-666
Analysis of Tsunami Disaster Evacuation Lane in Palu Based on Satellite Imagery Indrasurya Setiabudhi (a*), Syafruddin Rauf (b), Sakti Adji Adisasmita (b) a) Departement of Civil Engineering, Faculty of Engineering, Hasanuddin University b) Departement of Civil Engineering, Faculty of Engineering, Hasanuddin University Abstract Palu is one of the areas which frequently occurs earthquakes and has high seismicity which causes frequent earthquakes. This area has caused earthquakes and tsunamis which through the largest fatalities. The total number of 1,636 people who dont have knowledge and information about safety areas or compilation of safe nodes evacuation lane for disasters. The purpose of this study was for analyze the location of safe nodes evacuation lane points from floods and tsunamis in Palu City. The analytical method in this study was used inaSAFE analysis with the open-source QGIS assistance program and complies with 7 indicators from safe nodes evacuation lane requirements. The location of this research was in Palu Central of Sulawesi, specifically a road around the coast and near the river that crosses the city of Palu. In this research, the results obtained 5 points that have planned based on EMBT indicators between 2 mosques, 1 field and 2 schools at level 5 of sea-level rise. The increased of sea-level at level 10 resulted in 35 points around 15 mosques, 6 fields, and 14 schools, then the rising sea level at level 15 there is 59 gathering points of 21 mosques, 10 fields, and 28 schools. For the evacuation lane it already mapping based on evacuation lane analysis, which consist of two lane per node. Keywords: Tsunami; InaSAFE; Qgis; OSM; Safe node Share Link | Plain Format | Corresponding Author (Indrasurya Setiabudhi)

183	Civil Engineering	ABS-418
The Effect of Soft Clay Improvement Using Prefabricated Vertical Drain (PVD) for Rigid Pavement Structure S. Syahril (a*) (a) Civil Engineering Department, Politeknik Negeri Bandung, Jl. Gegerkalong Hilir, Ds.Ciwaruga, Bandung, Indonesia Abstract Rigid pavement is widely used in subgrade conditions that have low bearing capacity so that it will affect the life of the road plan and rigid pavement performance. Soil improvement that can be done is by using Prefabricated Vertical Drain (PVD). Soil consolidation parameters used in the results of testing the consolidation of rowe cell in the laboratory. Plate load test is carried out to get the modulus of subgrade reaction. Modulus of subgrade reaction without PVD is 2179,24 kN/m2/m and the modulus of soil reaction with PVD distance of 100 mm is 11311,09 kN/m2/m. The modulus of the verified subgrade reaction without PVD is 22419,21 kN/m2/m and soil with PVD is 38718,40 kN/m2/m. The thickness of the analyzed plates are respectively of 150 mm, 200 mm, 250 mm, 300 mm, and 350 mm. The position of the vehicle wheel load is in the middle, the end, and the edge. The deflections due to the position at the middle, the end, and the edge loads respectively for the entire plate thickness are reduced by an average value of 31%, 34%, and 33%. The results of soil improvement using PVD can increase the modulus of subgrade reaction and reduce deflection values. Keywords: Soil improvement, PVD, modulus of subgrade, soil consolidation, rigid pavement Share Link | Plain Format | Corresponding Author (Syahril Syahril)

184	Civil Engineering	ABS-677
Analysis Cost of Safety on Project Irrigation/Channel Base on WBS (Work Breakdown Structure) Ir. Wili Andri Utama, ST ; Prof. DR. Ir. Yusuf Latief, MT Universitas Indonesia Abstract The implementation of construction projects in Indonesia in general the number of work accidents also increased. Referring from BPJS, nationally the number of work accident accidents in the construction sector was recorded as the national sector with the highest number of occupational accidents.The regulations regarding HSE financing in Indonesia have not been clearly and measurably regulated. Existing regulations regarding HSE financing are regulated in three regulations, namely, Ministerial Regulation No. 31 of 2015, Circular of the Minister of Public Works and Public Housing No. 66 of 2015, the Minister of Public Works and Public Housing Regulation No. 28 of 2016, and the last in Regulation of the Minister of Public Works and Public Housing No. 21 of 2019. According to Cooper and Kaplan (1992), Activity-Based Costing (ABC) has emerged as a new approach that connects costs directly related to business activities with manufactured products. This study aims to identify any risks that are potentially hazardous in irrigation work, making a safety plan using risk-based WBS standards, and the results of this research can make Analysis cost of safety for irrigation works. Keywords: Cost of Safety, Safety Plan, WBS standards, risks, channel/irrigation Share Link | Plain Format | Corresponding Author (Wili Andri Utama)

185	Civil Engineering	ABS-422
Analysis of discharge and area of the debris Flow Based on Geological Structural and Rainfall Levels in The slopes of Mount Abang, Kintamani. I Nengah Sinarta, Putu Ika Wahyuni, Putu Aryastana Universitas Warmadewa Abstract Geological structural and rainfall intensity cause the parameters of the soil shear strength to decline, especially in the surface layer of soil in volcanic rocks that have not experienced weathering. Related to these conditions, a study of geological structural and rainfall intensity against the hazard of a landslide was destroyed on the slopes of Mount Abang, especially in the Abang Batu Village. This area had previously experienced a landslide and debris flow so that the community had fled. Soil investigation for sampling at two boreholes on a slope hazard to the community and public facilities. Geological analysis based on interpretation of slope outcrops, average rainfall analysis of the Thiessen Polygon Method and Analysis of design flood discharge using the Nakayasu Synthetic Unit of Hydrograph Method. Based on the results of geological mapping and rock outcrops in the study area in the form of volcanic breccia rocks covered by weathering rocks that have become sandy silt or silt at an altitude of 500-2000 meters above sea level, slope inclination of 20%-40%. Flood discharge plan on the Intermittent River with a repeat of 5 years, 10 years of; 86.37 m3/s; 92.25 m3/sec. These conditions are based on the modeling of the extent of debris flow covering an area of 5167 m2. Such a large area of inundation indicates that the Abang Batu village area has a high hazard to debris flow. Keywords: Debris Flow, Volcanic Breccia, Intermittent River Share Link | Plain Format | Corresponding Author (I Nengah Sinarta)

186	Civil Engineering	ABS-168
Mechanical Properties of Normal Concrete for Local Road Using Plastic Waste Substitution as Course Aggregate Tri Mulyono (a*), Arief Saefudin (b), Adhi Purnomo (b), Irika Widiasanti (b) a) Transportation Departement, Faculty of Engineering, State University of Jakarta, Jalan Rawamangun Muka, Jakarta 13220, Indonesia b) Faculty of Engineering, State University of Jakarta, Jalan Rawamangun Muka, Jakarta 13220, Indonesia * trimulyono[at]unj.ac.id Abstract Plastic waste can decrease the carrying capacity of the environment, only about 4% can be recycled. Through research, it is expected to be one of the solutions to the use of plastic waste to reduce environmental impacts. The use of substitution of plastic waste as coarse aggregate in the weight-volume mixture with proportion of 2%, 4%, 6%, 8% and 10% in normal concrete used for local roads and determining the mechanical properties are the aims of this research. The results showed that the compressive strength for reference concrete was 21.268 MPa greater than designed (fc = 19.3 MPa) and with a mixture of plastic waste respectively 13.298 MPa, 14.430 MPa, 11.506 MPa, 6.602 MPa, 6.602 MPa 6.602 MPa and 5.753 MPa. The tensile strength of the reference concrete is 2.853 MPa, and compared with substitution of 1.981 MPa, 2.216 MPa, 1.863 MPa, 1.155 MPa and 1.179 MPa. The flexural strength test below and do not meet the criteria for the local roads (3 MPa). Plastic waste up to 10% substitution shows the lowest decrease with 4% plastic waste resulting in 19.5% decrease in flexural strength compared to reference concrete and every 2% increase plastic was 10-20% flexural strength decreases. Keywords: Plastic Waste, Mechanical Properties, Local Road Share Link | Plain Format | Corresponding Author (Tri Mulyono)

187	Civil Engineering	ABS-686
The Retrofit Method of Reinforced Concrete Beams to Bending Behavior with Overlapping on Half and Third of Beams Sumarni Kala (a*), Herman Parung (b), A. Arwin Amiruddin (b) (a) Structure Program of Graduate School of Hasanuddin University, Gowa, Indonesia * sumarnikala[at]gmail.com (b) Civil Department of Hasanuddin University, Gowa, Indonesia Abstract In each building or construction, the length of reinforced concrete will vary while generally the length of reinforcement produced in Indonesia is 12 m. A connection is made to resolve the use of long bars. On the beam, a connection should be placed on experiences low tensile stress so that the tensile force can be well distributed. If the length of the joint is smaller or the location of the joint is not right then it causes the flexural behavior of a beam to cause damage to the concrete. For damage that occurs in concrete, the retrofit method using wiremesh and self-compacting concrete (SCC) can be a solution. The purpose of this study was to analyze the comparison of the effect of joints on half and a third of the stretch on reinforced concrete beams reinforced with wiremesh and SCC Keywords: reinforced concrete, overlapping Share Link | Plain Format | Corresponding Author (Sumarni Kala)

188	Civil Engineering	ABS-687
Study on the Value of Stiffness of the Dual Joint Straightness Notch Joint of Beams Due to Cyclic Lateral Load Nur Muthia Razak (1*), Herman Parung (2), A Arwin Amiruddin (2) 1) Structure Program of Graduate School of Hasanuddin University, Gowa, Indonesia 2) Civil Department of Hasanuddin University, Gowa, Indonesia *nurmutiarazak[at]gmail.com Abstract Precast concrete is an answer to the demands of building structures that save time, but cannot be used widely because of the reliability of the connection, especially during an earthquake, the desired earthquake-resistant building structure must have sufficient strength and rigidity. Stiffness is one of the factors that determine the response of a structure to earthquake loads. When connected with earthquake loads, a structure must have sufficient rigidity so that its movement during an earthquake can be limited. This study aims to determine and analyze the stiffness in the double columns straight joint beam notches due to lateral cyclic load. By dividing 3 (three) types of test specimens, namely Monolithic Column Beam, Type 1 Column Joint (SBK), and Type 2 Column Beam Joint (SBK). The connection used is a double straight notch and using the grouting method. Testing and analysis using the Displacement Control Method with the European Convention for Constructional Steelwork (ECCS) 1986 standards. The results showed the monolith column Column (BK) specimens have a greater stiffness value compared to SBK 1 specimens and SBK 2 specimens. Keywords: Stiffness, joint, Cyclic Lateral Load Share Link | Plain Format | Corresponding Author (Nur Muthia Razak)

189	Civil Engineering	ABS-180
Experimental study on sediment trap capacity of ring net barrier with varying basal openings Chitra Widyasani Surya Putri (a*), Djoko Legono (a), Adam Pamudji Rahardjo (a), Ardian Alfianto (b) (a) Departement of Civil Engineering and Environment, Gadjah Mada University, Jalan Grafika No 2, Yogyakarta 55281 Indonesia *chitrawsp[at]gmail.com (b)Sabo Research and Development Office, Jalan Sabo No 1, Yogyakarta, Indonesia Abstract Ring net barrier is originally developed as a protection from rockfalls, but some countries have proven that this type is also effective in trapping debris flow sediment. In Indonesia, ring net barrier as sediment control is applied by Sabo Research and Development Office in Lumajang, East Java on a slope of 3,48o and is placed 0,8 m above river bed. To identify the optimal position of the basal opening, a hydraulic flume test is performed with a scale of 1:60, 0.6 cm of diameter of ring and a variety of discharge (11 l/s, 8 l/s, and 1.8 l/s). The amount of sediment consentration is 10% and flow time of 144 seconds. The basal opening position is varied from the same as river bed surface, placed as deep as 1.66 cm and 3.2 cm The results show that ring net can retain sediment more if the net is placed as deep as 3.2 cm. Therefore the sediment trap capacity of ring net barrier that is applied in Lumajang can be optimized by shifting the basal opening position to 1.92 meters deep from the river bed surface. Keywords: ring net barrier; basal opening; sediment trap capacity Share Link | Plain Format | Corresponding Author (Chitra Widyasani Surya Putri)

190	Civil Engineering	ABS-436
Variation Order of The Department of Education Building Project in Gorontalo Province : Cause and Effect Analysis Moh. Yusuf Tuloli (a*), Arfan Utiarahman (b*), Mifidyah Putri Palilati (c*) a) Faculty of Engineering, Gorontalo State University *mohammad.tuloli[at]ung.ac.id b) Faculty of Engineering, Gorontalo State University *arfanutiarahman[at]ung.ac.id c) Faculty of Engineering, Gorontalo State University *mifidyahputri12[at]gmail.com Abstract In the work of construction project, sometimes, there are inconsistencies found in some or even in all phases of the work. The inconsistency, known as variation order, is something that has a significance implication to the success of the project. The complication of the variation order could either cause the work not finished on time or even trigger budget inflation to the project. The purposes of this study is to analyze the factors causing the variation order and to find out the effect of the variation order in the construction project of Department of Education of Gorontalo province building. This is a descriptive study using the method of analysis employing a combination of SPSS (Statistic Product and service solution), Likert scale analysis, validity and reliability test and relative importance index. Based on the analysis, it was found that there are six factors in causing the variation order of the project, which are: (1) design changes; (2) inconsistencies of the architectural drawings and situation in the field; (3) the increasing of construction scope; (4) unclear planning and specifications of the work; (5) the switch on the materials specification; and (6) the adjustments on work schedule. Consequently, the six variation orders were notably led to damaging effects which are the increasing of work volume and the prolonging of work duration. Keywords: Variation Order, Design Change, Work Volume Share Link | Plain Format | Corresponding Author (Moh. Yusuf Tuloli)

191	Civil Engineering	ABS-692
The Potential Use of PET Plastic Waste as Construction Material Nurul Aisyah Aziz (a*), Rita Irmawaty (b), Achmad Bakri Muhiddin (b) (a) Structure Program of Graduate School of Hasanuddin University, Gowa, Indonesia * aisyahhazs[at]gmail.com (b) Civil Department of Hasanuddin University, Gowa, Indonesia Abstract The use of plastic waste as a substitute for aggregates is the solution to environmental problems. Plastic waste can improve concrete performance such as resistance to abrasion, impact loads, ductility, shock absorption, and thermal conductivity. However, the addition of plastic waste will reduce the mechanical properties of concrete. This weakness can be overcome by adding steel fibers in the form of Dramix 3D 80/60. Increased levels of PET plastic cause concrete workability to decrease, so a superplasticizer is added to improve the workability of concrete. The purpose of this study is to analyze the mechanical behavior of concrete using PET plastic waste as a partial aggregate replacement. The method used is an experimental study with variations in PET plastic content of 0%, 10%, 15%, and 20% of the volume of coarse aggregate. Mechanical testing in concrete is obtained that the greater the addition of PET plastic content, the greater the decrease in compressive strength, flexural strength, tensile strength, and modulus of elasticity of concrete Keywords: PET Plastic, Concrete Mechanical Behavior Share Link | Plain Format | Corresponding Author (Nurul Aisyah Azis)

192	Civil Engineering	ABS-950
ANALYSIS OF COMMUNICATION AND KNOWLEDGE SHARING TO COMPETENCY WORKERS IN CONSTRUCTION INDUSTRY COMPANIES IN DKI JAKARTA Adhi Purnomo, Winoto Hadi Universitas Negeri Jakarta Abstract The purpose of this study is to determine the relationship of communication and knowledge sharing on the competence of workers in the world of building construction in DKI Jakarta. Consisting of nine companies surveyed with 34 respondent’s construction workers. This research method uses SEM PLS analysis with the result that there is a positive and significant relationship between communication with variable competence of 0.675 and bootstrapping value of 7.033. There is a positive and not significant relationship between knowledge sharing with a competency of 0.01 and a bootstrapping value of 0.087. The results of strengthening the dimensions of vertical, horizontal and internal communication provide significant value. The results of strengthening the knowledge sharing dimension are in the form of reciprocity and significant norms are positive. The results of strengthening the value of administrative, technical and analyst competency dimensions are positive and significant Keywords: Communication, knowledge sharing, competence, workers, construction Share Link | Plain Format | Corresponding Author (Adhi Purnomo)

193	Civil Engineering	ABS-185
Competency of Surveyor in Civil Engineering that Mastered by Graduates from Vocational High Schools Tuti Iriani(a), Irika Widiasanti (a*), Muhammad Haristo(a), Lenggogeni(a), Yusrina Luthfiana(a) and Rosmawita Saleh(a) (a) Faculty of Engineering, Universitas Negeri Jakarta Jalan Rawamangun Muka, Jakarta 13220, Indonesia *irika[at]unj.ac.id Abstract The purpose of this study is to analyze the competency of the surveyor in civil engineering based on Standar Kompetensi Kerja Nasional Indonesia (SKKNI) - Indonesian National Work Competency Standards. This research uses a descriptive qualitative approach with content analysis design. This research was conducted in three vocational high schools (SMK) construction and property engineering expertise programs in Jakarta, namely: SMK 1 Jakarta, SMK 26 Jakarta, SMK 58 Jakarta. The results showed there were 28 competencies of the Measurers with the content of knowledge, skills and work attitudes based on the SKKNI. Keywords: competency of the surveyor; civil engineering Share Link | Plain Format | Corresponding Author (Irika Widiasanti)

194	Civil Engineering	ABS-186
ANALYSIS OF SAFETY COST STRUCTURE FOR ELECTRICAL WORK IN RENTAL APARTEMENTS PROJECTS IN SPECIAL CAPITAL DISTRICT OF JAKARTA BASED ON WORK BREAKDOWN STRUCTURE (WBS) Arief Ahmad Fauzi(1), Yusuf Latief(2) University of Indonesia, Master of Engineering Student in Civil Engineering, Faculty of Engineering, Depok, West Java, Indonesia Abstract With the lack of rental housing needs still very large, the need for building rental apartments in the future is still very high. In the implementation of construction projects in Indonesia in general the number of work accidents also increased. The construction industry is a dangerous industry that often takes its toll. Referring to the Manpower Social Service Provider (BPJS) data, nationally the number of occupational accidents in the construction sector is recorded as the highest national sector work accident rate. Especially in electrical work, there are many work accidents during electrical work that endanger electrical workers. For this reason, it is necessary to make a simulation of SMK3 cost modeling in order to estimate the costs needed with minimum project information at an early stage. Activity-based cost calculation has emerged as a new approach that connects costs directly related to business activities with manufactured products. To make activity-based cost calculations, making WBS and determining work items appropriately is a useful effort and is needed for effective activity-based risk assessment. So based on the above findings, given the high plan of building rental flats, the high number of occupational accidents and the lack of comprehensive OSH funding, this study focuses on developing OSH costs for the electrical component work in rental flats in DKI Province. Jakarta-based WBS. Keywords: Cost of Safety, Safety Plan, WBS, Risk, Electrical Share Link | Plain Format | Corresponding Author (Arief Ahmad Fauzi)

195	Civil Engineering	ABS-187
ANALYSIS OF SAFETY COST STRUCTURE FOR MECHANICAL WORK IN RENTAL APARTEMENTS PROJECTS IN SPECIAL CAPITAL DISTRICT OF JAKARTA BASED ON WORK BREAKDOWN STRUCTURE (WBS) Annisa Danu Purwanti(1), Yusuf Latief(2) University of Indonesia, Master of Engineering Student in Civil Engineering, Faculty of Engineering, Depok, West Java, Indonesia Abstract Since the implementation of the policy of accelerating infrastructure projects, the construction industry has also increased in Indonesia. The construction industry is a dangerous industry that often takes casualties. In recent years there have been many construction accidents in the construction of rental apartments, which have caused moral and material losses, projects that were stopped and projects that were delayed. Lack of separate budgets that are specifically prepared in implementing the Occupational Safety and Health System is one of the causes of the poor implementation of SMK3 in construction projects and create high rates of accidents in the workplace. In Indonesia, although there are several regulations governing the implementation of SMK3, there are no specific regulations that regulate how to prepare a reasonable budget for the implementation of SMK3. The aims of the study are determining the work breakdown structure in mechanical work in rental apartments identifying risks, developing risk control, identifying components of cost of safety and calculating of safety cost. This research is a survey research with respondents of experts and actors in the field of construction safety, descriptive analysis is used to determine variables. A case study approach is also used to calculate the cost of safety. This research is expected to be able to produce a cost of safety calculation in rental apartments projects so that it can maximize the application of SMK3, in order to reduce accidents in workplace and achieving good safety performance. Keywords: Cost of Safety, Safety Plan, WBS, Risk, Rental Apartments, Mechanical Work Share Link | Plain Format | Corresponding Author (Annisa Danu Purwanti)

196	Civil Engineering	ABS-190
Human Resources Performance of Construction Management Consultants in Supervision of Highrise Building Fitri Suryani(a), Irika Widiasanti (b*), Didik Satrio (c), Andika Yunianto(a), Tri Mulyono(b) (a) Faculty of Engineering, Universitas Persada Indonesia Y.A.I Jakarta Jl. Pangeran Diponegoro No.74, Jakarta 10430, Indonesia (b) Faculty of Engineering, Universitas Negeri Jakarta Jalan Rawamangun Muka, Jakarta 13220, Indonesia (c) Faculty of Postgraduate, National Institute of Science and Technology Jalan Jalan Moh Kahfi II, Srengseng Sawah, Jagakarsa Rawamangun Muka, Jakarta 12630, Indonesia *irika[at]unj.ac.id Abstract Human resources is very important in the activities of carrying out a work mechanism at the Construction Management Consultant (CMC). CMCs experience has a positive and significant effect on the quality of work. Good and bad results of the quality of construction work are influenced by CMCs experience, of course CMC quality is supported by qualified human resources to achieve quality, cost, and time that has been determined. The purpose of this research is to identify the dominant factors and determine the magnitude of the dominant factors that affect the quality of CMC performance in supervising the implementation of multi-storey buildings in Jabodetabek, Indonesia and recommend efforts to improve the quality of human resources performance. Keywords: supervising; human resources; Share Link | Plain Format | Corresponding Author (Irika Widiasanti)

197	Civil Engineering	ABS-448
Model of Settlement environment that is prone to flooding on the banks of the Cimanuk river Garut Adi Susetyaningsih, Sulwan Permana, M.Bill Afghan, Dendi Yogaswara, ismi Purnamasari sttg Abstract ABSTRACT - Dense population settlements along riverbanks are a common problem that occurs in cities in Indonesia. Settlements along the riverbank are vulnerable to flooding. It is not easy to move residents from the area because of the strategic and economic value of the area for urban residents, especially the lower middle class. The purpose of this study is to find a solution for flood-prone areas by making settlement plans to minimize the impact of flood disasters. The study was conducted in Cimacan, Haurpanggung Village, Tarogong Kidul District, Garut Regency. Research data collected by survey method. To get a history of floods that have been experienced by residents, questionnaires were used with the snowball method. Respondents taken were 22 respondents who had lived in 2 RWs for at least 5 years. Based on the research results, it is known that the average flood height is 40-50 cm with the distance of water entering the settlement 50-60 meters from the river bank. The average number of houses submerged by floods is 40-50. To minimize the impact of losses from flood disasters, it is necessary to re-arrange the settlement space in Cimacan Village by setting green open space in the restricted zone to build houses, making infiltration wells and modifying residential building models. Model houses that are suitable to be built are like a stage house with a height of 60-70cm and a width of 30x30cm. Keywords: Keywords: Settlement Planning, Flood Prone, river banks Share Link | Plain Format | Corresponding Author (adi susetyaningsih)

198	Civil Engineering	ABS-194
Compressive Strength of Concrete Paving Blocks for Pavement with the addition of Fly Ash Erna Septiandini (a), Irika Widiasanti (a*), Candra Agung Pamungkas(a), Ayufiqri Septianingrum Suharsono Putri (a), Tri Mulyono(a), and Nurul Zaqia (a) (a) Faculty of Engineering, Universitas Negeri Jakarta Jalan Rawamangun Muka, Jakarta 13220, Indonesia *irika[at]unj.ac.id Abstract Pervious concrete paving blocks (PCPB) is a material that widely used for the surface layer of road either for traffic or non-traffic needs. The main characteristic is the pores within the concrete which can allow water to pass through so it can prevent inundation when rain comes. Good absorption rate is not in line with its compressive strength. In order to enhance its compressive strength, some fly ash were added to the weight of the cement in the mixture. Fly ash (FA) is a coal combustion residue that has similarity with cement content and properties. Admixture for pervious concrete typed SikaMix-10 NT were added to increase the workability of the mixture. This research uses quantitative methods based on the results of experiments conducted in the laboratory. The planning of mixture refers to the ACI 522R-10 standard. Several tests were carried out to determine the quality such as compressive strength test, infiltration test, porosity test and wear resistance by analyzing the results guided by SNI 03-0691-1996. The results generally showed that the addition of some fly ash were made to have compressive strength, absorption, porosity and wear resistance that has fulfilled C classification for application in pedestrian paths or sidewalks. Keywords: Pervious concrete paving blocks; Fly ash; Compression test; Surface road materials Share Link | Plain Format | Corresponding Author (Irika Widiasanti)

199	Civil Engineering	ABS-457
COMPARISON OF SNYDER SYNTHETIC UNIT HYDROGRAPH WITH MEASURED UNIT HYDROGRAPH ON BIONGA KAYUBULAN Barry Labdul;AryatiAlitu Gorontalo State University Jl. Jend. Sudirman No.6 Gorontalo Email : barrylabdul39[at]gmail.com , aryati_alitu[at]ung.ac.id Abstract Generally, syntchetic unit hydrograph had to be developed just like kind of synder that found accord empire scientific in United States. Determination of their parameters have been presented by various criteria, but so far the results are still relatively deviate for watershed-watersheds in Indonesia. The study was conducted to Bionga Kayubulan sub watershed that have properties and characteristics that need to be conducted regarding irregularities by comparing models HSS Synder with unit hydrograph observations on sub watershed. Hydrograph water level readings AWLR derived from a flood hydrograph, using the are discharge. to separate the base flow with run off straight line method is used to produce direct run off hydrograph. From the data obtained ARR hourly rainfall records were the analyzed, using the equation effectve rainfall of index Φ. Direct run off hydrograph and rainfall effectively revealed to be the observation unit hydrograph using collins method. Based on topographic maps obtained wathershed physical factors were then used to analyze HSS snyder. Further comparison of the HSS Snyder constant adjusements made using software Microsoft Excel-Solver. Observation unit hydrograph Bionga Kayubulan sub watershed has a peak time (Tp) of 4.5 hours with a peak discharge (Qp) of 2.81 m3/sec while snyder HSS obtained from the analysis of Tp and Qp of 5.15 hours of 0.33 m3 / dt. The test results showed that the predicted ratio Snyder HSS HSS calibration better than Snyder before calibration. CE preadjusted value is 0.11 and as adjusted to 0.93. value of EV adjusted is 65.20% before and after adjusment to 2.70%. EQP value addition, AETR values and values after adjusting widened AETp 0 hours. Keywords: HSS Snyder, Calibration, Peak Discharge Share Link | Plain Format | Corresponding Author (Barry Yusuf Labdul)

200	Civil Engineering	ABS-467
Traffic impact Analysis Swiss-Belinn Hotel in Gorontalo City Yuliyanti Kadir, Indriati Martha Patuti*) Jurusan Teknik Sipil Fakultas Teknik Universitas Negeri Gorontalo Abstract The Swiss-Belinn hotel development plan which will be built in the central area of Gorontalo City will influence on the change in traffic volume. This change will bring an imbalance between the amount of traffic generated and the capacity of the road around the Swiss-Belinn Hotel Development Plan. Data analysis included analysis of road section performance analysis, intersection analysis and, traffic impact analysis. Analysis of the calculation of the performance of roads and intersections using the 1997 MKJI Method. The studied roads are the M.T Haryono, Nani Wartabone Roads, 23 January and, Taki Niode. The results of the study obtained the level of service of roads and intersections after operating the value of C After some kind of handling, the level of service becomes good according to each treatment Keywords: Traffic impact Analysis, MKJI 1997, level of service Share Link | Plain Format | Corresponding Author (Yuliyanti Kadir)

201	Civil Engineering	ABS-476
Analysis Slope Stability of Transmission Tower 150 kV on Moderately-Cemented-Sand Due to Soil Excavation Rasgianti, Prasetyo Adi Wibowo PLN Research Institute,Jakarta,12760-Indonesia Abstract T.66, transmission tower of 150 kV line Cilegon Baru – Asahimas was in high light for the threaten of slope stability because of soil mine excavation around tower area. Massive Excavation soil were occurring next to tower foundation, which is the depth approximately 20 m (height) and the inclination almost 90o. Therefore, analysis was highly needed to ensure that tower stand on stable spot. The method used in this research were study literature, soil investigation (deep boring and hand boring) and laboratory test for undisturbed samples, geoelectrical test, and topography mapping. The type of soil was ‘moderately cemented sand’ slope. It has a complete characteristics and tends more challenging in determine the slope stability. By considering that, the data parameters input were approached in conservative way, which was considering literature and soil investigation data. In this case, slope stability was modelled with Finite Element Method (FEM) by doing back analysis. The result shown that tensile stress was relative small (near 0). Keywords: Moderately-cemented-sand, Slope stability, Finite element Share Link | Plain Format | Corresponding Author (RASGIANTI RASGIANTI)

202	Civil Engineering	ABS-479
Correlation study of asphalt modulus with asphalt immersion time using of lightweight deflectometer laboratory MUHAMMAD A. RUBI MA’BUD (a*) Abdul Rahman Djamaluddin (b) A. Arwin Amiruddin (b) a) Structure Program of Graduate School of Hasanuddin University, Gowa, Indonesia *alifrubi99[at]gmail.com b) Civil Department of Hasanuddin University, Gowa, Indonesia Abstract Right road conditions facilitate the mobilization of the population in carrying out activities every day. During the rainy season, the pavement is submerged by water, which affects the performance, durability, and ability to accept the load on the asphalt. To measure the quality of road works, especially pavement, can now use the laboratory version of the Lightweight deflectometer (LWD) developed by DGH. Lightweight deflectometer (LWD) developed for evaluation of surface stiffness can be used to estimate the degree of compaction and produce modulus of elasticity. This research-based on the laboratory which aims to analyze the effect of asphalt density (AC-WC) on deflection value and modulus of flexibility by using the laboratory version of the LWD and find the correlation between the modulus of elasticity of asphalt on the variation in the Immersion time in which the results of variations of immersion can be concluded the more prolonged the immersion time, the lower the density of the asphalt mixture. Keywords: Keyword: LWD, Modulus of Elasticity, AC-WC Share Link | Plain Format | Corresponding Author (Muhammad A. Rubi Mabud Mabud)

203	Civil Engineering	ABS-992
BOLTS WITH TENSION BEHAVIOR ON STEEL BRIDGES POST FIRE Noval Hasan (a*), Riawan Gunadi (a), Moeljono (a), Fisca Igustiany (a) a)Departmen of Civil Engineering, Politeknik Negeri Bandung, Bandung 40559, Indonesia *noval.hasan11[at]gmail.com Abstract Fire is a big enemy in building construction. The performance of bolt connections on steel frame bridges is very important to consider in the implementation method when designing bridges. Considering that the joints affect the performance of steel structures, the results of research on steel beam performance need to be augmented by testing the post-fire girder bridge bolt connection performance. Structural tests will be carried out on six specimens of bridge steel beam elements with high quality bolt connections in the center of the beam with sliding type bolt connections. Two control specimen beams were tested with shear loads without combustion. The temperature used is 700oC and 900oC with two different torque bond variables. The displacement control test using UTM will find out the performance of each type of connection by evaluating changes in carrying capacity, stiffness, deflection capacity, ductility, and stress-strain capacity due to the influence of working temperature during the fire process. The results can prove how the behavior of the bolts that have been given the best pressure. Keywords: Bolt tension; Bridge; Steel; Temperatur Share Link | Plain Format | Corresponding Author (Noval Hasan)

204	Civil Engineering	ABS-225
Maintenance Management of Cultural Heritage School Buildings in Jakarta: An Overview of Indonesia Government Regulation Lenggogeni (a), M. Agphin Ramadhan (b*), Winoto Hadi (c), Adhi Purnomo (a), and Marvakri Resowijoyo (b) a) Civil Engineering Department, State University of Jakarta Jalan Rawamangun Muka, Jakarta Timur 13220, Indonesia b) Vocational Education of Building Construction Department, State University of Jakarta Jalan Rawamangun Muka, Jakarta Timur 13220, Indonesia *agphin[at]unj.ac.id c) Transportation Departmen, State University of Jakarta Jalan Rawamangun Muka, Jakarta Timur 13220, Indonesia Abstract Jakarta, as the capital city of Indonesia, has hundreds of cultural heritage buildings, including schools building. Managers need to apply regulations regarding the maintenance of the heritage school building (HSB) as a preservation effort. The purpose of this study is to review the suitability of the maintenance management of HSB in 1) the Minister of Public Works Regulation No.24 / PRT / M / 2008 concerning Guidelines for Building Maintenance and Repair, and 2) The Manual Maintenance Building Schools’ Book from the Ministry of National Education. The method used in this research is a literature review. Researchers obtain data from various sources, journals, Books, documentation, and regulations relating to the research objectives. The result of the compatibility between Minister of Public Works Regulation No. 24 / PRT / M / 2008 concerning Guidelines for Building Maintenance and Repair and the School Maintenance Guidelines for the Ministry of National Education, is 54.17%. The two regulations do not provide complete information regarding the maintenance management of HSB. The government needs to adjust appropriate regulations related to the HSB as an efforts to protect, develop, and utilize them in order to advance national culture. Keywords: cultural heritage; heritage building; school building; maintenance management Share Link | Plain Format | Corresponding Author (M. Agphin Ramadhan)

205	Civil Engineering	ABS-226
Analysis of Occupational Health and Safety (OHS) Cost Structure in Infrastructure Project of Flyover Based on Work Breakdown Structure (WBS) Alexander Muhammad Nicodemus (a*), Yusuf Latief (b) Universitas Indonesia Abstract OHS issues in Indonesia are still often overlooked. It appears that the number of work accidents are still high. Therefore, in early 2018 the government has decided to suspend all the elevated construction project in Indonesia including Flyover Project. It cause a negative impact such as casualties, material, time, cost and etc. One of the factors that most hinders OHS implementation in the Project from the contractors point of view is the high cost of OHS implementation and the safety cost provided for OHS implementation by the owner are inadequate or even none at all. Safety cost planning can be done accurately if the activities based on Work Breakdown Structure (WBS) on the project can be well defined. The Activity-Based Costing method provides more accurate information especially on complex structures and can provide information on cost items that are ignored in traditional methods. The research methods used are archival analysis, case study, survey, and expert judgement. The research result the safety cost in flyover project that is expected to obtain a decent budget and specifically allocated for the implementation of OHS in flyover projects to improve working safety conditions. Keywords: Flyover, Occupational Health and Safety (OHS), Safety Cost, Work Breakdown Structure (WBS) Share Link | Plain Format | Corresponding Author (Alexander Muhammad Nicodemus)

206	Civil Engineering	ABS-995
Development of A Risk Management Plan for The Construction of The Karian - Serpong Water Conveyance 1 Faculty of Civil Engineering, University of Indonesia Abstract The Karian - Serpong water conveyance construction project is a supporting infrastructure development project in the context of meeting drinking water needs in Banten Province and DKI Jakarta. This water channel flows raw water from the Karian Dam in Lebak Banten to the Water Treatment Plan located in the Banten and Jakarta areas. Feasibility study of this project has been carried out since 2009 but until now the channel project has not been finalized due to some changes in planning in the field. This water channel project has a high complexity, so in its implementation, a risk management plan is needed so that the project can run well and finish on time without experiencing delays. This study aims to identify risks, analyze the impact and risk response and compile them into a Risk Management Plan as a supporting document in the implementation of the construction of the Karian - Serpong water conveyance. It is hoped that later this Risk Management Plan can be useful for contractors in managing risks during project implementation and providing input to the Ministry of Public Works and Public Housing for subsequent implementation of similar projects. Keywords: Water conveyance, risk management, risk register Share Link | Plain Format | Corresponding Author (EKO WIBOWO)

207	Civil Engineering	ABS-229
Effect of FRP Thickness on Axial Compressive Behavior of Glass Fiber Reinforced Polymer –Confined Lightweight Concrete Cylinders Butje. A. Louk Fanggi (*), Aloysius G. Lake (a), Ludofikus Dumin (a), Amy Wadu (a), Yohan A. A. Lada (a), Matelda C. Mauta (a) a) Department of Civil Engineering, Politeknik Negeri Kupang *) butje2017[at]gmail.com Abstract This study aims to investigate the influence of the number of GFRP layers on the axial compressive behavior of FRP-confined lightweight concrete cylinders. Eight lightweight concrete specimens wrapped with 0, 1, 2, and 3 sheets of GFRP were manufactured and tested until failure. The test confirms that the thicker specimens experienced higher axial stress and strain compared to the thinner ones. Keywords: Lightweight concrete, GFRP, Axial Stress, Axial strain Share Link | Plain Format | Corresponding Author (Butje Louk Fanggi)

208	Civil Engineering	ABS-230
ANALYSIS OF THE GREEN INFRASTRUCTURE IMPLEMENTATION TO THE ENHANCEMENT OF ENVIRONMENTAL SUPPORT CAPACITY (CASE STUDY: WATERSHED OUTSIDE THE UNIVERSITAS INDONESIA) Yupiter Abdi Toto Negoro, Dwinanti Rika Marthanty and Herr Soeryantono University of Indonesia, Master of Engineering Student in Civil Engineering, Faculty of Engineering, Depok, West Java, Indonesia Abstract The several things to fulfill human needs are water resources, like household, laundry, industry and agriculture, the activities that reduce the availability of ground water and produce waste which makes the quality of river water decrease. This research was conducted in a catchment area outside the Universitas Indonesia which is included in the CIliwung watershed area which aims to increase the carrying capacity of water resources by carrying out a Water Governance approach by considering 3 aspects Place, People and Policy. Place or technical rekomendations was an approach using the concept of WSUD (Water Sensitive Urban Drainage), the green infrastructure used are bioretention and constructed wetland by using ArcGIS, GitBola and SWMM for simulations of improving air quality and volume of runoff water reduction. People or stakeholders are conducted in-depth interviews or snow ball interview with stakeholders and residents in the catchment to find out responses to green technology recommendations and stakeholder responses. Policies or make policy recommendations governing the management of liquid and solid waste so as not to pollute water bodies, to improve the condition of catchments (DTA) around the University of Indonesia, based on the technical aspects of green technology proposals, community or stakeholder responses and also based on policies or existing regulations ranging from the central to the regional level. Keywords: Water resources, WSUD, Water Governances, Place, Green Infrastructure, Bioretention, Constructed Wetland, People, Stakeholder, Deep Interview, Snow Ball Interview, Policy. Share Link | Plain Format | Corresponding Author (yupiter abdi totonegoro)

209	Civil Engineering	ABS-999
Height and Width Effect on Brick Masonry Wall to Defection through Finite Element Analysis Berkat Cipta Zega(a*), Hakas Prayuda(b), Dzaki Fauzan Rusdin(b) (a*)Department of Civil Engineering, Faculty of Engineering, Universitas Negeri Surabaya, 60231 Ketintang, Surabaya, East Java, Indonesia. (b)Department of Civil Engineering, Faculty of Engineering, Universitas Muhammadiyah Yogyakarta, 55183 Geblagan, Tamantirto, Kasihan, Bantul, Yogyakarta, Indonesia. Abstract The wall is an important structure to protect the inside of a house or building. The wall also functions to carry and forward loads from the roof. Wall collapse can be a structural failure that can make people die. Therefore, it is necessary to do an analysis in the form of modelling to the wall that will be built to review the damage that can be occur. There are 3 types of the wall, which is 3 meters, 3.5 meters and 4 meters of width wall with variation of height and load direction. The walls are modelled using software STERA FEM. This research was conducted to see the pattern of wall damage and to determine the high effect on wall stiffness. The result from this research shows that the pattern of damage to the wall, press on the bottom right and drag on the bottom left to the load direction X, then press on the upper right and left angles to the load direction Y. The walls were tested using variations in height and width produce the same pattern of damage. However, the deflection value for each wall is different. Keywords: Masonry wall, Finite element analysis Share Link | Plain Format | Corresponding Author (BERKAT CIPTA ZEGA)

210	Civil Engineering	ABS-752
RAMP CHECK EXAMINATION EVALUATION OF PUBLIC TRANSPORT BUSINESS Siti Sahara, Vivian Karim Ladesi, Winoto Hadi, Kencana Verawati a) Faculty of Engineering, Universitas Negeri Jakarta Jalan Rawamangun Muka, Jakarta 13220, Indonesia *sitisahara[at]unj.ac.id b) Faculty of Engineering, Universitas Negeri Jakarta Jalan Rawamangun Muka, Jakarta 13220, Indonesia *vivian_ladesi[at]unj.ac.id c) Faculty of Engineering, Universitas Negeri Jakarta Jalan Rawamangun Muka, Jakarta 13220, Indonesia *winoto[at]unj.ac.id d) Faculty of Engineering, Universitas Negeri Jakarta Jalan Rawamangun Muka, Jakarta 13220, Indonesia *kencanaverawati[at]unj.ac.id Abstract The ramp check is needed to check the condition of each bus fleet before it operates, especially in the Pulo Gebang Terminal, which is one of the class A terminals in DKI Jakarta. Based on preliminary observations, only 9.16% of the bus fleet passed a ramp check from the total number of fleets in operation. A sequential strategy approach with mixed research methods is used in this study. The object of the case study is the process of supervision of the ramp check to the bus fleet at the Pulo Gebang terminal. The sampling method used is purposive sampling. In terms of the quality of the ramp check supervision process for the bus fleet at the Pulo Gebang Terminal is included in the top category. Whereas, if seen from the number of fleets in operation with the number of fleets that have gone through the inspection, the ramp check is in a low category. Keywords: Evaluation; inspection; vehicle. Share Link | Plain Format | Corresponding Author (SITI SAHARA)

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