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91	Mechanical Engineering	ABS-138
Design and Development of Solar-Wind Hybrid Powered Drip Irrigation Systems Syamsul Bahri (a), Cut Mulyani (a), Suheri (b), T. Azuar Rizal (b), Hamdani (c*) (a) Agrotechnology Department, Faculty of Agriculture, Universitas Samudra, Kota Langsa, 24416 Indonesia (b) Mechanical Engineering Department, Faculty of Engineering, Universitas Samudra, Kota Langsa, 24416 Indonesia (c) Mechanical Engineering Department, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia (*) hamdani[at]unsyiah.ac.id Abstract In the dry season, water supply for agriculture is minimal. Farmers usually use fresh water from a local well to irrigate agricultural areas. Farmers who have relatively adequate capital, irrigate their agricultural areas using high-energy pumping systems to maintain the quality and amount of their farming products. However, in line with the increasing price of energy in the market, the pumping system - which is commonly carried out on remote agricultural areas that are relatively far from the electricity network - has caused a significant increase in the cost of fuel oil. Therefore efforts to utilize renewable energy available in such agricultural areas need to be encouraged. In this study, the design, the installation, and testing of the performance of the Solar-Wind Hybrid Power Plant (S/W-HPP) have been carried out. This system consists of a 100 WP solar power plant, and a 500-watt wind-turbine power plant module as the primary energy source for drip irrigation pumps in an area of 1,000 m2 of food crops. Performance testing of the S/W-HPP system is carried out by proffering the submersible pump a workload at a flow capacity of 60 litres/minute with 60 watts of electric power. The results from field test performance, then, compared with the simulation results. The final analysis will provide fundamental information in the design of the S/W-HPP generating system in drip irrigation applications. Keywords: Hybrid energy, solar energy, wind energy, water pumps, agricultural areas PermaLink | Plain Format | Corresponding Author (Hamdani Umar)

92	Mechanical Engineering	ABS-657
The Influence of Engineering Students Numerical Reasoning on the Academic Achievement of Computer Numerical Control (CNC) Course Agus Dudung (a), Diat Nurhidayat (b), Pitoyo Yuliatmojo (c) (a) Mechanical Engineering Departement, Faculty Of Engineering, Universitas Negeri Jakarta (b) Information Technology Departement, Faculty Of Engineering, Universitas Negeri Jakarta (c) Electrical Engineering Departement, Faculty Of Engineering, Universitas Negeri Jakarta Abstract The research aimed to examine the relationship between numerical reasoning abilities and academic achievement in CNC (Computer Numerical Control) course and the contribution of numerical reasoning of CNC course. This study employed a survey method with correlational causal relationships. The stratified random sampling proportional technique is employed with 30 engineering students . The results of the study show the significant relationship between numerical reasoning and academic achievement of CNC course with r count = 0.76. The two coefficients are terminated by independent variables (predictors of X) for changes in the dependent variable (Y criterion) of R square = 57.8%. The results show that there is a positive relationship between the two variables. Therefore the learning experiences should provide the opportunities for students to develop their numerical reasoning. Keywords: CNC (Computer Numerical Control) Practice, Numerical Reasoning, Engineering Students PermaLink | Plain Format | Corresponding Author (Agus Dudung)

93	Mechanical Engineering	ABS-919
CLAY STABILIZER AND ZETPASS USES FOR IMPROVING SAND CONTROL PERFORMANCE AND RESIST THE SAND PROBLEM AT FIELD X BASED ON LABORATORY STUDY Herry Setiawan Ruseno, Sugiatmo Kasmungin, Rini Setiati Petroleum Engineering Departement , FTKE, Universitas Trisakti , Jakarta Abstract This field X well production has indeed occurred in the sand and this well has been carried out with waterflooding with injection water that is currently available. In this study of sand problems it is intended to find out the cause of the problem of sandiness in terms of laboratory analysis of formation rock samples and injection fluid. Laboratory analysis consists of fluid characterization, rock characterization that is specifically assigned to rock minerals (SEM and XRD), and fluid injection compatibility tests with rocks, then a sand retention test is performed. After the addition of clay stabilizer in injection water, Zone A, Zone B and Zone C have increased apparent permeability to reach an interval of 500% -1000% mD. The use of Zetpass cannot be used in zone A because there is a lot of clay and the grain is very fine, but it can be used in zones B and C. Fluid interactions with rock minerals and chemical interactions will reduce the cementation of rocks so that they can trigger the occurrence of sand. Clay stabilizer is important to note in wells that have done waterflooding. ZetPas solution is able to become sand control but has limitations. Keywords: sand problem, clay stabilizer, zetpas, sand control PermaLink | Plain Format | Corresponding Author (RINI SETIATI)

94	Mechanical Engineering	ABS-667
Experimental Study on the Adhesion of Rubber Sap Adhesive with NaOH on Wood Surface Khairul Anam (a*), Moch. Syamsul Ma’arif (a), Anindito Purnowidodo (a), Murfid Muzakki Septianto (a) a) Mechanical Engineering Department, Brawijaya University Jl. MT Haryono 167, Malang 65145, Indonesia *khairul.anam27[at]ub.ac.id Abstract The tensile strength of rubber sap additive with different NaOH concentration was studied on the wood surfaces. The adhesives were cured at room temperature for different curing times (3, 6, and 12 hour) with NaOH concentrations of 0 wt%, 5 wt%, and 10 wt%. The results shown that the tensile strength of the adhesive joint increased when the NaOH concentrations and curing times is increasing. This evidence can be easily explained by investigating the water content in the adhesive. The highest tensile strength of 0.259 MPa occurred when the NaOH concentrations and curring time of 5 wt% and 12 hours, respectively. However, this value is remained low compare to synthetic adhesives. In addition, from images of adhesives after breaking of samples, the failure mode of the adhesive joint is dominated by adhesive failure. Keywords: Tensile strength; Rubber sap adhesive; NaOH; Curing time PermaLink | Plain Format | Corresponding Author (Khairul Anam)

95	Mechanical Engineering	ABS-674
WBL In Vocational Education Dadang Hafid (a*), Asari Djohar (b), Ade Gafar Abdullah (c), Mumu Komaro (d) Technological and Vocational Education Students Programs Graduate School, Universitas Pendidikan Indonesia. Jl. Dr. Setiabudhi no 229, Bandung, West Java, Indonesia. Abstract Abstract- This research conducted with the aim of analyzing the application of work-based learning models that are being carried out in vocational school (SMK). The scope of this research relates to the frame work used, weaknesses, strengths and characteristics of industrial involvement in the education process. This research was conducted by survey method, namely by directly observing the work-based learning process, with data obtained from the results of observations, interviews and literature studies from the program implementation manual. The object of his research is a school that carries out a work-based learning model in West Java, among others, Bandung Vocational High School with the name Toyota Tehcnician Education Program (T-TEP) and ASTRA Motor Guidance, 2 Subang Vocational School with the name Teaching Factory program, and Weak Abang Vocational High School under the name of the Yamaha Fostered Class Program. From the results of this research, it was found that the three schools that applied work-based learning models had their respective characteristics, and had their respective weaknesses and strengths, but from the three schools there was one similarity, namely using frame work synchronization, namely the curriculum arranged based on synchronization between compulsory competencies in school with industry competencies. Keywords: Keyword; a learning approach that leverages the workplace to structure the experience gained in the workplace PermaLink | Plain Format | Corresponding Author (DADANG HAFID HAFID)

96	Mechanical Engineering	ABS-430
Direct and Indirect Measurement Techniques of Cavitation Intensity: A Brief Review Farid Triawan (a*), Bentang Arief Budiman (b), Ignatius Pulung Nurprasetio (b), Gagus Ketut Sunnardianto (c) (a) Faculty of Engineering and Technology, Sampoerna University, Jakarta, Indonesia * farid.triawan[at]sampoernauniversity.ac.id (b) Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Bandung, Indonesia (c) Research Center for Chemistry, Indonesian Institute of Science (LIPI), Tangerang Selatan, Indonesia Abstract Cavitation has been one of the critical issues in turbomachinery operation which often causes the reduction of service life of the components. In order to predict the service life, cavitation intensity (CI) needs to be measured accurately. In this paper, several notable developments of techniques to measure CI are reviewed briefly. Those techniques can be classified into two groups, i.e. direct and indirect measurements. For the indirect technique, a method which estimates the impact load of bubble collapse by inverse analysis is particularly elaborated. For the direct technique, a method which utilizes painting technique to quantify the actual CI is specifically presented. The advantages and disadvantages are also comprehensively discussed. Keywords: Cavitation intensity; inverse method; paint erosion technique; direct and indirect method PermaLink | Plain Format | Corresponding Author (Farid Triawan)

97	Mechanical Engineering	ABS-175
Effect Of Pulley Primary Angle Variation And Roller 11 Grams on 110 cc Scoopy Injection Engine Edi Widodo; Meries Anggara ; Iswanto; Mulyadi; Prantasi HT Universitas Muhammadiyah Sidoarjo Abstract Transmission automatic or known as (CVT) is a transmission that makes us feel comfortable because we only need to pull the gas without moving the transmission because the transmission is automatic. Automatic motors not only make driving easier but also facilitate the maintenance of the transmission. However, among racing motorbike lovers, this automatic transmission type motor is lacking in power. So it needs to be modified to the CVT component to improve the performance of the machine. To improve this performance, we analyze pulley and standard roller manufacturers and primary pulleys with 3 kinds of pulley, namely standard angles of 14o, 13o, 12o and roller 11 gram variations to determine the comparison of peforma (horse power and torque). To find out the comparison of the test, we do the test using the Dyno test. From the test results, 13o pulley and 11 gram roller have increased significantly compared to standard 14o and 13 gram roller standard pulleys. This can be seen from the results of an increase in horse power and torque when using pulley 13o and 11gram roller can be obtained on the highest horse power (Hp) at 3246 Rpm rotation which is the highest 9.0 hp and torque (Nm) at the engine speed 2087 Rpm which is 22.16 Nm. While the standard pulley of the factory is 14o and the standard 13gram roller can be seen the highest horse power (Hp) at 3923 Rpm round, which is 7.8 Hp and the highest Torque (Nm) at 2972 Rpm engine speed which is 16.99 Nm. then from the results of this test analysis has increased horse power 1.2 hp and torque of 5.17 Nm. Keywords: standard pulley; modified pulley variation; roller variation; dyno test PermaLink | Plain Format | Corresponding Author (Edi Widodo)

98	Mechanical Engineering	ABS-180
Thermodynamic performance investigation of a diesel engine running on biodiesel (pangium edule reinw and cocos nucifera) T. Azuar Rizal (a*), Hamdani (b), Razali Thaib (b) (a) Department of Mechanical Engineering, Faculty of Engineering, Universitas Samudra, Kota Langsa, 24416, Indonesia (b) Department of Mechanical Engineering, Faculty of Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia (*) azuarrizal[at]unsam.ac.id Abstract This study investigates the use of biodiesel (pangium edule reinw and cocos nucifera) in diesel engines as alternative fuels. A direct injection diesel engine was simulated via a thermodynamic cycle model for investigation. Thermodynamic and performance parameters and compared for diesel, biodiesel (pangium edule reinw and cocos nucifera) fuels at two different states. The results showed that pangium edule reinw and cocos nucifera presented a lower cylinder temperature and pressure, and thus a lower engine performance than diesel fuel for the equal injection conditions. The brake power declines about 29.3% and 28.2% at 3200 rpm while brake specific fuel consumption increases about 34.3% and 19.8% at 2200 rpm for pangium edule reinw and cocos nucifera, respectively. Engine performance for pangium edule reinw and cocos nucifera, respectively. extensively improves for the same equivalence ratio condition, but a more amount of fuel is needed about 44% for cocos nucifera and 36% for pangium edule reinw. The gains in the brake power by cocos nucifera and pangium edule reinw are about 13.6% and 6% at 3200 rpm compared to diesel fuel. The brake specific fuel consumption is also higher about 42.2% for cocos nucifera and 24.3% for pangium edule reinw than diesel fuel. The brake thermal efficiency for pangium edule reinw and cocos nucifera is generally better than diesel fuel. Keywords: Thermodynamic, Performance, Diesel Engine, Pangium edule reinw, Cocos nucifera PermaLink | Plain Format | Corresponding Author (Razali Thaib)

99	Mechanical Engineering	ABS-951
The development of compact water tank for firefighter motorcycle Catur Setyawan K. , Heri Adha N, Makmur Aji P. Universitas Negeri Jakarta Abstract The aim of this project is to develop water tank that could support for firefighter motorcycle. The firefighter motorcycle was designed to be used in densely populated areas with very narrow accesses. In the process of design, the tank dimension, maneuverability, stability, and attachment method become the factor that were put into consideration. External condition in the form of motorcycle power and narrow access were the factors that also considered in choosing the criteria of water tank for fire suppression. VDI 2221 method was used to optimized the design. Keywords: water tank , VDI 2221, firefighter motorcycle PermaLink | Plain Format | Corresponding Author (Catur Setyawan Kusumohadi)

100	Mechanical Engineering	ABS-188
Study on the Infill Pattern and Density Effect on the Tensile Properties of 3D Printed PLA Material Mia Rismalia (a), Samuel Christian Hidajat (a), I Gede Raditya Permana (a), Budi Hadisujoto (a), Farid Triawan (a*) a) Faculty of Engineering and Technology, Sampoerna University, Jakarta 12780, Indonesia *farid.triawan[at]sampoernauniversity.ac.id Abstract 3D printing is considered as a highly convenient manufacturing process since it enables to create objects of many shapes, sizes and rigidity based on the material properties and the printing parameters. However, the mechanical properties of 3D printed materials is not yet fully understood. There are a lot of different printing parameter combinations which results in different mechanical properties and printing time. This research work aims to investigate the relationship between printing parameters, i.e. infill density and infill pattern, and tensile property of Polylactic Acid (PLA) material. Anycubic i3 Mega 3D printer is used to print the specimens and an open-source slicing software Cura is used to vary the printing parameters. The two varied printing parameters are infill densities of 25%, 50%, 75% and infill patterns namely Grid, Tri-Hexagon, and Concentric. The specimen and tensile testing procedure are based on ASTM D638 Type 1 standard. Three tensile properties, in this case, elastic modulus, yield strength, and tensile strength were examined. The obtained results can be used as a data reference for making finite element model (FEM) as well as predicting the optimum tensile property with respect to the printing parameters. Keywords: 3D printing; tensile property; printing parameters; infill density; infill pattern PermaLink | Plain Format | Corresponding Author (Samuel Christian Hidajat)

101	Mechanical Engineering	ABS-193
The Effect of Mother Channel Width on Biometric Flow Field Towards Polymer Electrolyte Membrane Fuel Cell Performance Arasy Fahruddin (a,b*), Djatmiko Ichsani (a), Fadlilatul Taufany (c), Budi Utomo Kukuh Widodo (a) a) Mechanical Engineering Department, Institut Teknologi Sepuluh Nopember (ITS), Jl. Raya ITS, Keputih, Sukolilo, 60111, Surabaya, Indonesia *arasy.fahruddin[at]umsida.ac.id b) Mechanical Engineering Department, Universitas Muhammadiyah Sidoarjo, Jl. Raya Gelam No.250, 61271, Sidoarjo, Indonesia c) Chemical Engineering Department, Institut Teknologi Sepuluh Nopember (ITS), Jl. Raya ITS, Keputih, Sukolilo, 60111, Surabaya, Indonesia Abstract Leaf shape biometric design shows promising potential as a flow field to supply air reactants in Polymer Electrolyte Membrane Fuel Cell. However, studies that discuss the dimensions of biometric flow field in detail are rarely encountered. The channel width can affect the supply of reactants, the better the supply of reactants the better the cell performance can be achieved. In this study we investigated the effect of the mother channel width on the biometric flow field towards cell performance using numerical simulations. The model is composed of 9 layers with 25 cm2 of active area. The channel dimension is varied by considering Murray theory. Simulation results show that the optimal width of the mother channel can increase power density by up to 6% compared to other variations. This increase can be achieved due to a more uniform distribution of oxygen concentration. Keywords: Mother channel width; Biometric flow field; Polymer electrolyte membrane fuel cell PermaLink | Plain Format | Corresponding Author (Arasy Fahruddin)

102	Mechanical Engineering	ABS-723
Modeling of Regenerative Braking System for Electric Bus Metha Islameka, Edi Leksono, Brian Yuliarto Institut Teknologi Bandung Abstract Regenerative braking is a way to harvest electric energy from braking mechanism which usually implemented in electric vehicles. Braking strategies are required to maximize the use of regenerative braking systems. This research aims to design a regenerative braking model for a medium-sized electric bus. Measurements of latitude, longitude, elevation, and speed were firstly conducted by using GPS-based Osmand Android application. Transjakarta Corridor 1 (Kota-Blok M) was used for a test track with a distance of 14 km. Besides using GPS data, WLTP (Worldwide Harmonised Light Vehicle Test Procedure) data is also used for comparison. This study produced a braking strategy model that considers aerodynamic, rolling, and grade resistances as well as electrical component specifications of the electric bus. The model design is then compared to the existing serial, parallel and eco-models. With the design of this system, the regenerative braking model can harvest more energy which increases the mileage of the electric bus. Keywords: Regenerative Braking, Energy Efficiency, Eco Model, Electric Bus PermaLink | Plain Format | Corresponding Author (Metha Islameka)

103	Mechanical Engineering	ABS-230
Optimizing Machining Time for CAD / CAM Milling Programming Using the Taguchi Method Mulyadi (1*), Wahyu Alfiansyah (2), Ali Akbar (3), Rachmat Firdaus (4) (1,3,4) Dept. of Mechanical Engineering, Universitas Muhammadiyah Sidoarjo (2) Mechanical Engineering Laboratory, Universitas Muhammadiyah Sidoarjo Jalan Raya Gelam 250 Candi, Sidoarjo 61271, Indonesia *mulyadi[at]umsida.ac.id Abstract The CNC milling machining process is a very important process in manufacturing products because it affects the profitability of the production process. CAD / CAM programming software tools speed up the process and predict production process time. This study uses CAD / CAM simulation of HSM operations and uses the Taguchi method which is a method that can optimize process variables to get a good response. Process variables chosen are Speed, feed rate, depth of cut, step over, stay on surface and radius link. The type of tool used is an endmill with a diameter of 20 mm SECO Jabro-Solid-JS554 standard. The results of the study stated that the HSM machining simulation process that had a greater influence on machining time was feeding 680 mm / minute and 5 mm depth of cut. The experimental results confirm the ideal time produced is 34.25 minutes. Keywords: CNC milling, CAD / CAM, feed rate, depth of cut, Taguchi method, HSM PermaLink | Plain Format | Corresponding Author (Mulyadi Bin Sati"i Ramikan)

104	Mechanical Engineering	ABS-242
The Effect of Blade Angle on Two-Stage Water Turbine Against Power and Efficiency Dedy Apri Haryono (a), Arasy Fahruddin (a*), Ali Akbar (a), Mulyadi (a) a) Mechanical Engineering Department, Universitas Muhammadiyah Sidoarjo, Jl. Raya Gelam No.250, 61271, Sidoarjo, Indonesia *arasy.fahruddin[at]umsida.ac.id Abstract The Indonesian region has abundant alternative energy sources that can be used to meet electrical energy needs. One potential alternative energy source is water energy that can be converted into electrical energy with a water turbine. Water turbines are generally one stage, whereas water energy on the output side is still quite large. In this study, experiments were made using a two-stage micro water turbine model with blade angle variations on the second stage turbine. The type of turbine used in this study is a crossflow turbine with a vertical shaft. The results show that the 45 degree blade angle on the second stage turbine can increase the second stage turbine rotational speed, and also increase the first stage turbine rotational speed. So that the total power of the turbine increases up to 29% compared to 15 degrees blade angle. This indicates that the appropriate selection of the second stage turbine blade angle will significantly affect the total turbine power and its efficiency. Keywords: Blade angle; Two-stage; Water turbine; Crossflow turbine PermaLink | Plain Format | Corresponding Author (Arasy Fahruddin)

105	Mechanical Engineering	ABS-1018
Gas lift Valve Optimization Study for Efficiency Gas Lift System On Oil Wells Adam F Rohman, Sugiatmo Kasmungin, Dwi Atty Mardiana Trisakti University Abstract The gas lift system is widely used as an artificial lift for oil production in petroleum industry. At the point of gas injection Gas lift valve use square edge orifice geometry. The problem in the optimization of gas lift wells is the flow instability due to gas flow rate fluctuations, the limited volumetric gas injection and limited gas compressor pressure. With the limited compressor pressure, the lift flow and gas design is dependent on the amount of pressure on the compressor, the production wells with limited injection pressure will result in a limited amount of gas injection, the square edge orifice requires a pressure difference of 40% to achieve the maximum gas flow rate. This GLV design modification includes changing the GLV orifice geometry. Design studies using Fluid Dynamic simulations to analyze any changes in GLV geometry design. The design modification approach is base on literature study venturi orifice geometry and the availability of equipment for GLV modification. The results of this study are expected to increase the gas flow rate of injection, according to the needs of gas lift well optimization. Keywords: GLV, orifice, Computational Fluid dynamic PermaLink | Plain Format | Corresponding Author (adam rohman)

106	Mechanical Engineering	ABS-507
Three blade horizontal axis wind turbine design simulation naca with airfoil 4412 using software Q-blade solidworks 2014 Jaelani Sidik (a*), 2Riyan Arthur(b*) a)Departement of Mechanical Engineering, University of Wahidiyah, Faculty of Engineering, Kediri, Indonesia *jaelanisidik2772[at]gmail.com b)Educational Construction Building, State University of Jakarta, Indonesia *arthur[at]unj.ac.id Abstract ABSTRAK Wind energy utilization for area with low wind speed potential such as Indonesia remains low due to its low efficiency value. Therefore This research aim to designing and simulation of small wind turbine that can be use in indonesia. We considered for this wind turbin blade are 3. NACA airfoil 4412 was selected and 1.13 of coefficient lift maximum .We designing the blade of wind turbin using software solidworks. The simulation using software Q-blade for the blade radius 1.3 m with various angle of attack 0°, 10°,15°. Keywords: Wind turbine blade, Airfoil, Q-blade, SolidWorks PermaLink | Plain Format | Corresponding Author (Jaelani Sidik)

107	Architecture	ABS-776
Analysis of Green Open Space on Nagrikaler Village, Purwakarta Regency. Trias Megayanti, Lilis Widaningsih, Dian Fitria Universitas Pendidikan Indonesia Abstract Green open space performs an important role to enhance the quality of community living as well as being beneficial in maintaining the ecosystem. It is also having a prominent role in disaster risk management applied to densely populated settlements. Nevertheless, social awareness about the essential role and utilization of green open space is still a concern. The aim of this paper is to deliberate the result of the river banks potential analysis that serves as a green open space and communal space. This study is conducted by the Participatory Rural Appraisal (PRA) methods, which was carried out in collaboration with the local community group, to asses the potency of green open space at Negeri kaler Village, Purwakarta Regency, Indonesia. The result shows that community empowerment in optimizing public space, requires a critical awareness process for the local community to maintain environmental sustainability and social interaction. It is also shows the mapping of green open space at the village. The results from this study is being used as guidelines for designing green open spaces with community architecture methods based on the needs of the local community. Keywords: green open space, community architecture, communal space PermaLink | Plain Format | Corresponding Author (Trias Megayanti)

108	Architecture	ABS-1033
Modular panel house design with prefabricated production technology E S Soegoto, R Subarjat and T Valentina Universitas Komputer Indonesia Abstract The aims of this study to acknowledge the needs of an efficient home of a modular panel house with a low cost and has a comfort factor. This research method uses descriptive quantitative method, with research subjects describing the modular panel house design with its criteria. With the modular panel house building method will be easier with low costs compared to conventional because the industrial process is carried out with prefabrication, and pay attention to ecological factors in the building. This fabrication house is designed with a low cost but on the other hand the lack of attention to thermal comfort factors thus influences the lack of interest of the community in this production house. The modular panel house design with manufacturing methods that takes into account the thermal comfort aspects and ecoarchitectural values will increase the interest of the community towards homes that are efficient and effective in supporting housing needs. Keywords: Modular Panel House, Thermal Comfort, Prefabricated, Ecoarchitecture. PermaLink | Plain Format | Corresponding Author (Eddy Soeryanto Soegoto)

109	Architecture	ABS-14
The Relations Between Social Interaction with School Architectural Qualities Toward Social Capital Nevi Rahmawati, M.Syaom Barliana, Nuryanto Universitas Pendidikan Indonesia Abstract The purpose of this study is to investigate the relation between the quality of social interaction and the quality of school architectural facilities towards social capital. The technique used to analyze the data is regression. In this study used 238 students in SMK Negeri 2 Tasikmalaya for measuring social interaction quality and social capital. Purposive random sampling is used for school architecture quality. The result for this study shows that the quality of social capital, social interaction and school architectural facilities in SMK Negeri 2 Tasikmalaya is categorized excellent. The quality of social interaction has a significant effect on social capital. The quality of architectural facilities in SMK Negeri 2 Tasikmalaya moderated the relation of social interaction towards social capital categorized excellent. Keywords: Social interaction, school architectural facilities, social capital. PermaLink | Plain Format | Corresponding Author (Nevi Rahmawati)

110	Architecture	ABS-15
The Behavior of The Child with Special Needed on the Vocational Class at SLB D YPAC Bandung Yunidar, M. S. Barliana, Fauzi Rahmanullah Indonesia University of Education Abstract Behavior is a human response to the environment, all behavior is determined by personalities and individual experiences. Special needs children (SNC) in Indonesia still receive less attention from the government, many facilities have not been in accordance with the needs of SNC especially skills support facilities. The purpose of this study is to find out the behavior of SNC in the skills room which includes territorial behavior, privacy, and personal space. This study uses the behavior mapping method with a qualitative descriptive approach, because it is aimed at describing all of the SNCs activities in the vocational skills room. These activities include the use of supporting facilities to practice in the skills room. The results of this study are that each child shows different behaviors in adapting depending on the constraints that he has. Students who have multiple barriers (involuntary and mental retardation) are more difficult to regulate and disorderly and disciplined in the skills room. Students who have motoric retardation who do not use a wheelchair are more adaptable and active in cooking practices. Unlike the case with students who have motoric constraints that use wheelchairs, students find it difficult to adapt with available facilities and tend to be passive during the practice. The equation of the three behaviors is that students are able to interact well with the teacher and the guest. The facilities contained in this skills room are not yet in line with SNC, especially those who are physically disabled. This is due to the relatively narrow circulation of space and is difficult to access as a whole by wheelchair users. Keywords: Behavior, SNC, Skills room PermaLink | Plain Format | Corresponding Author (yuni dar)

111	Architecture	ABS-801
OUR SIGN(AGE) : a semiotics study of campus visual identity Restu Minggra (a*), Tutin Aryanti (a), Trias Megayanti (a), Indah Susanti (a) a) Department of Architectural Education, Faculty of Technology and Vocational Education, Universitas Pendidikan Indonesia Jalan Dr. Setiabudhi No. 207 Bandung 40154, Indonesia Abstract Various types of buildings and several additional facilities and other elements in the landscape of Universitas Pendidikan Indonesia (UPI) campuses are constantly diversified growth, which derived a lot of problems in the visual environment and create all sorts of visual confusion. The right application of signage as an architectural solution that offered to solve that problem, must also well designed and reflect the visual identity of UPI that should be meaningful and recognizable. This study focuses on perceptions of academic communities toward the significance of the visual identity of UPI as an academics institution. A survey questionnaire was administered to all academic communities at the UPI, and the data were analyzed using the theory of Semiotics. The result of this study is used as a foundation for signage designs’ decision that carried more than communicative, but also part of brand-identity development that strengthens the definition of UPI as the modern and future-minded educational institution. Keywords: signage; semiotics; visual identity; brand identity PermaLink | Plain Format | Corresponding Author (Restu Minggra)

112	Architecture	ABS-552
The Tourist Village Potential: A case Study of Kampung Wisata Rotan Galmantro Cirebon Nitih Indra Komala Dewi (a), Lilis Widaningsih (b), Tutin Aryanti (c), Trias Megayanti (d), Restu Minggra (e), Indah Susanti (f) Fakultas Pendidikan Teknologi dan Kejuruan (FPTK), Universitas Pendidikan Indonesia. Abstract Rattan handicrafts are the Featured product of Cirebon City. In the heyday, Cirebon rattan industry has dominated 90% of the world rattan market, the value of rattan exports reached hundreds of millions of USD (www.disparbud.jabarprov.go.id, 2012). In 1998, there was an economic crisis, the rattan industry began to collapse. The government policy regarding the export of rattan raw materials caused a surge in rattan raw material prices. On the other hand, the potential of Human Resources and government support is not optimal. This paper aims to review the potential of Kampung Wisata Rotan Galmantro as a tourist village developed in accordance with regional characteristics. The methods used are comparative studies and literature studies about tourist villages. The results obtained in the form of physical mapping area (landscape) of Tourist Village, a grouping of rattan craftsmen, and digital marketing strategy. Keywords: Tourist Village, Rattan, Craftsmen, Digital Marketing PermaLink | Plain Format | Corresponding Author (Nitih Indra Komala Dewi)

113	Architecture	ABS-578
Community Architecture: Synergy of Public Space and Community Education Lilis Widaningsih Universitas Pendidikan Indonesia Abstract Architecture is not just about physical entities of buildings, it is also about the space of human life and all its activities. This paper is a lesson learned gathered from field experience in assisting rural communities in building physical facilities and initiating various community activities. The method used is Participatory Action Research (PAR) which is oriented to the needs of the community, the research is conducted in Cibeureum Wetan Village, Cimalaka District, Sumedang Regency. Mentoring begins with the planning process, design and construction of public spaces i.e. buildings for childrens learning activities, which gradually being developed into various community activities from all age groups, especially women and adolescents. The participatory concept developed shows an increase in types of activities, strengthening social capital, productive economic activities and the growth of collective awareness to optimize public space as a joint activity space. The value of architecture in a broader meaning is indicated by the positive connectivity between space and its users. Keywords: Community Architecture, Public Space, Community Education PermaLink | Plain Format | Corresponding Author (Lilis Widaningsih)

114	Architecture	ABS-858
A Conceptual Framework of Positive Design With Cyber Technology In Interior Architecture Hartini, S.Sn., M.A. (a) Prof. Dr. Basuki Wibawa, (b). Dr. Robinson Situmorang, M.Pd.(c) Universitas Negeri Jakarta, Jl. Pemuda No. 10 Rawamangun, Jakarta Timur Abstract A B S T R A C TThe development of computer technology or cyber technology has also influenced the development of science and industry. Interior design and architecture in both the professional and educational fields are not immune from the influence of cyber technology. Cyber ​​Technology has shifted traditional methods in architectural interior design even though there are still designers who use traditional methods. This paper aims to look at the role of cyber technology in the world of architectural interior design. Also to produce a conceptual design framework in the design process, develop programmatic concepts, design concepts and design implementations from positive design aspects. The method used in the form of Systematic Review as a research method to synthesize the results of research on several related studies. It can be concluded that cyber technology makes the process of architectural interior design more efficient and easy. Cyber ​​technology allows designers and architects to explore with a high level of complexity. Computers are not only used as media to produce image products or speed up the design process, but computers have played an active role and part in the architectural interior design process. The involvement of computer media both software, hardware, sofeware, can be used as an important tool for developing creative designs and positive designs. The application of cyber technology supports the design process that can produce innovative design concepts, creative and Sustainable Value (Design For Pleasure, Design For Personal Significance, Design For Virtue). Keywords: Conceptual Framework, Cyber Technology, Aspect positive design, architectural interiors PermaLink | Plain Format | Corresponding Author (Hartini Laswandi)

115	Architecture	ABS-1130
USER’S ANTHROPOMETRY AND ERGONOMIC VALUE OF BALE SAKENEM BUILDINGS IN BALINESE TRADITIONAL HOUSES I Wayan Parwata1, Mirsa Umiyati Widjana2 1Architecture Study Program, Department of Engineering, Universitas Warmadewa, Denpasar 2Faculty of Letters, Universitas Warmadewa, Denpasar Abstract Traditional architecture is an architecture built based upon the rules of tradition adopted. Balinese traditional architecture is conctructed following the layout, spatial and building layout in line with on the concept of Asta Kosala Kosali and Asta Bumi. The Balinese traditional architecture of dwelling houses is one of the Indonesias architectural works that needs to be preserved and developed without eliminating the rules of local wisdom prevailing in Bali. The order of Balinese traditional residences, in general, involves several building periods including: Holy place, Bale meten (Bale Daje), Bale Dangin, Bale Dauh, Kitchen (Paon), and Jineng / klumpu (place to store unhulled rice). The concept of Balinese traditional architecture is one of the concepts used in the structuring techniques for dwelling houses based on the anatomy of the human body (anthropometry) of its owner. This study makes use of the design of quasi-experiment. At this stage the modeling of the "Sakenem" buildings in the village of Singapadu Tengah is created. In this year, the measurements made for modeling the building of the bale sakenem have been adjusted to the users antopometry to obtain the size of the saka, bale-bale, and bataran that meet the cosiness of the user’s antopometry. After the modeling and the assessment of cosiness applied, the results of a positive and significant comfort assessment on all aspects are obtained, namely those involving the height of the saka, the height of the bale-bale, and the height of the bataran in the Bale Sakenem building in the village of Singapadu Tengah. Keywords: anthropometry, architecture, building cosiness PermaLink | Plain Format | Corresponding Author (Mirsa Umiyati)

116	Architecture	ABS-954
Spatial Study On Luan And Teben Orientation In Traditional Settlement Of Pengotan Village I Kadek Merta Wijaya (a*) a) Department of Architecture, Faculty of Engineering and Planning, Warmadewa University, Bali, Indonesia *amritavijaya[at]gmail.com Abstract The orientation of luan and teben in traditional settlement layouts in Bali is characterized by directions of sacred (luan) and profane (teben) values. The orientation of luan is generally towards kaja (Mount Agung/the place of Gods) and kangin (direction of the sun rising) which is signified by sacred spaces namely the holy place (pura). While the orientation of the teben is towards kelod the direction of the sea or graveyard (setra). The traditional settlements in Pengotan Village which have settlement patterns are linear with sacred (luan) orientation towards Mount Batur (Kaja) and Gunung Abang (Kangin). The orientation towards Mount Batur and Gunung Abang is background by the history and origins of the Indigenous Village of Pengotan which is a resident who lives at the foot of Mount Abang in the Kintamani area. The pattern of Pengotan Village is extended from the kaja to the kelod which consists of three zones, namely the Utama (zone of sacred) as the space intended for shrines (pura), Madya as the space for residential housing units and the Nista zone (zone of profane) intended for the graveyard (setra). This pattern is repeats in clusters of residential housing units. This study aims to spatial study of luan and teben orientations in Indigenous Village Pengotan through an approach: (1) history of the Traditional Village Pengotan, (2) conception of the mountain as a sacred direction, (3) conception luan and teben on settlements in mountainous area, (4) general concepts of sacred and profane space and (5) conception of signifier and signified spaces in architecture. The method used is naturalistic interpretive in studying space in a conceptual (intangible) and concreate (tangible) context through empirical studies on sensual (observation), natives viewpoint, logic viewpoint (researcher’s viewpoint) and transcendental aspects. The results of this study are (1) spatial patterns based on luan and teben conception; (2) the signifier and signified system in space of luan and teben orientation and (3) the relationship between Mount Batur and Mount Abang as luan (sacred) orientation in the Pengotan Village. Keywords: kaja and kangin, luan and teben, Mount Batur and Mount Abang, signifier and signified system, spatial patterns PermaLink | Plain Format | Corresponding Author (I Kadek Merta Wijaya)

117	Architecture	ABS-707
Landscape Architectural Design of Girimekar Village as A Mean to Social Change Runik Machfiroh, Donny Trihanondo Telkom University Abstract This paper tries to explain the architectural landscape of Girimekar village, within a Corporate Social Responsibility project of Country Owned Corporation and a Higher Education institution located in Bandung. This Research is aimed to examine the social behavior and the role of architectural design in its part in social change. The methodology used in this research is Participation Rural Apraisal (PRA) method. The preliminary findings are that social behavior has a role within architectural space. The research is still ongoing, and further research data are needed to proof consistency in other villages. Keywords: Landscape Architectural Design, Social Behaviour, Social Change, Social Responsibility PermaLink | Plain Format | Corresponding Author (Donny Trihanondo)

118	Architecture	ABS-714
The Impact of Classroom Condition to Learning Comfort in Student Design Model and Information Building Department Vocational High School 6 Bandung Rositha Mujica, S.Pd(a), Adi Ardiansyah, S.Pd, M.T (b), Dra. RR. Tjahyani Busono, M.T(c) Department of Architecture Education Faculty of Vocational and Engineering Education, Universitas Pendidikan Indonesia Jalan Setiabudhi 229, Bandung 40154, Indonesia Abstract This research based by Engineering Drawing subjects which carried out in two different rooms so that have different learning comfort. Manual drawing studio was once a room for chemical laboratorium, judging from the physical condition of this drawing studio has less natural lighting so it requires additional or artificial lighting that comes from the lamps in the room. General classroom that should not be a place for practical learning such as engineering drawing subject is an option because the number of drawing studio is less. The study uses a quantitative approach with a type of descriptive research. Respondents from this study were class X Design Model and Information Building (DPIB) 3 and X DPIB 5 SMK 6 Bandung, amounting to 60 people. Data collection techniques using questionnaires and observation instruments. Based on the results of the research that has been done, it can be seen that condition of the classroom can explain learning convenience by 63.9% in DPIB 3. The details of the class condition variables are 73.3%, mostly students feel good. Variable convenience of learning is 46.67%, mostly students feel comfortable. In DPIB 5, 34.6% of class conditions can affect learning comfort. The details of 43.3% of the mostly students in class condition variables feel bad. 46.67% of mostly students on comfort variable in learning feel uncomfortable. Keywords: architecture; education; thermal comfort; high school; learning PermaLink | Plain Format | Corresponding Author (Rositha Mujica)

119	Architecture	ABS-491
The Changes in Understanding Of Urban Attitudes Through Urban Cultural Education in Lingga Regency, Riau Islands Province Faridl Muhammad Husain, M. Syaom Barliana, Trias Megayanti Indonesian University of Education, Architectural Engineering Education Study Program, Department of Architectural Engineering Education, FPTK Abstract Public understanding of the governments regional development planning program is important these days. This understanding includes the attitude of urban. Urban attitude understanding occurs through the process of urban cultural education. Urban cultural education itself is important because the publics unpreparedness and ignorance of the cultural essence of the city can cause social problems in society life. By maintaining the local wisdom of Bunde Tanah Melayu, the direction of the urban attitude of the Lingga Regency society will be in accordance with the regional identity. This study aims to find out: (1) Information of urban cultural education implementation, (2) Results of the level of change in understanding of urban attitudes. With pre-test post-test group design, this quantitative research carried out to 20 samples of students at SDN 003 Singkep Pesisir, Lingga Regency. The findings of this study are: (1) Students experience an increased understanding of excellent urban attitudes. However, (2) Calculation of the pre-test post-test scores of students showed an insignificant interpretation of the attitude of students urban attitudes. Then, with the research, the importance of the application of city cultural education to increase understanding of urban attitudes is increasingly apparent. However, a much better literature study is needed. Keywords: Urban Attitude Understanding, Urban Cultural Education PermaLink | Plain Format | Corresponding Author (Faridl Muhammad Husain)

120	Biology	ABS-1025
Recovery of soil collembola after forest fires Maratus Sholikha, Tjut Sugandawaty Djohan, Jusuf Subagja 1Department of Biology Education, UIN Sunan Gunung Djati Bandung, Jl. AH. Nasution 105, Bandung 40614,West Java, Indonesia. 2,3 Department of Biology, Universitas Gadjah Mada Jl. Teknika Selatan, Sinduadi, Mlati, Kabupaten Sleman 55281, Daerah Istimewa Yogyakarta, Indonesia Abstract Background Forest fires in the slope of Mount Merapi has occurred in 1994, 2002 and 2010. Forest fire has direct effect on soil collembolan. Aim of the Study. This study to investigated of distribution and abundance of soil arthropod after forest fire in Mt. Merapi National Park. The study area was conducted in 1 year-old forest : severe burnt forest (Kis), medium burnt forest (Gam), light burnt forest (Gal); 9 years-old forest (Tub) and (Tub i) that invated of Eupatorium odoratum; 17 years-old forest (KuHt) and unburnt forest. Method Soil samples were collected by Stratified Random Sampling method. The study was conducted in dry and wet season. Result. The highest number of genus in wet season was found in 9 years-old forest (Tub) and in the dry season was found medium burnt forest (Gam). It was 11 and 7 genera respectively. The number of family increase in the wet season in 9, 17 years-old forest and unburned forests, it was namely 5, 4 and 5 families respectively. The dominant family was Onychiuridae, followed by Entomobryidae and Isotomidae. Vegetation growth and stability of habitat conditions were factors that determined the development of soil collembola community. Soil moisture and immigration during the wet season affected on the presence of family, genus and individual of the soil collembola community. Keywords: forest fire, soil collembolan, Onychiuridae, Entomobryidae, Isotomidae. PermaLink | Plain Format | Corresponding Author (Maratus Sholikha)

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