Di daerah perkotaan terutama di kota-kota besar seperti kota balikpapan, pertambahan penduduk dan kemajuan jaman mengakibatkan semakin sulit akan lahan untuk bangunan yang memenuhi kebutuhan sehari-hari. Dalam pembangunan suatu proyek konstruksi, pengendalian biaya dan waktu proyek merupakan hal yang penting dalam proses pengolahan manajemen proyek. Proyek penambahan bangunan yang sudah ada membutuhkan 140 hari kerja kalender untuk menyelesaikan bangunan penambahan, dengan biaya pekerjan sebesar Rp.642.642.000. Analisis pengendalian dilakukan karna mengalami kelalaian konsultan perencana dalam merencanakan struktur, dimana perencana tidak memperhatikan jenis tanah dan merencanakan berdasarkan pengalaman saja yang berakibat keterlambatan. Dengan dilakukannya optimasi biaya dan waktu menggunakan metode Time Cost Trade Off (TCTO) pada proyek pembangunan penambahan KM.12 Karang Joang Balikpapan, maka waktu dan biaya optimum akibat penambahan tenaga kerja didapat pada 123,62 hari kerja dengan total biaya proyek sebesar Rp.634.106.512 dengan efesiensi waktu proyek sebanyak 16,38 hari dan efesiensi biaya proyek sebesar Rp.8.535.488. In urban areas, especially in big cities such as Balikpapan, the population increase and the progress of the times have made it increasingly difficult to land for buildings that meet daily needs. In the construction of a construction project, controlling project costs and time is important in the processing of project management. Project to add an existing building is spending 140 calendar working days to complete the addition building, with a workforce cost of Rp.642,642,000. Control analysis is carried out because the planner consultants experience negligence in planning the structure, where the planner does not pay attention to the type of soil and plan based on experience alone which results in delays. By optimizing the cost and time using the Time Cost Trade Off method in the development project for the addition of KM.12 Karang Joang Balikpapan, the optimum time and costs due to the addition of labor were obtained at 123.62 working days with a total project cost of Rp.634,106 .512 with a project time efficiency of 16.38 days and a project cost efficiency of Rp. 8,535,488.
Tingginya volume lalu lintas yang melewati Jalan Mulawarman Kawasan Borneo Paradiso menyebabkan terjadinya pertemuan kendaraan yang cukup padat dari berbagai arah jalan mengakibatkan penumpukan kendaraan disetiap lengan jalan baik pada pagi hari maupun sore hari. Penumpukan kendaraan tersebut disebabkan oleh banyaknya jumlah kendaraan yang melintas, oleh karena itu dilakukan penelitan pada ruas jalan tersebut. Adapun dalam penelitian ini dilakukan survey volume kendaraan, survey hambatan samping, serta survey geometri jalan yang kemudian dianalisa dengan menggunakan metode perhitungan dari Manual Kapasitas Jalan Indonesia (MKJI, 1997). Berdasarkan hasil analisa, volume pada ruas Jalan Mulawarman adalah 3126 smp/jam dengan kapasitas yaitu 2921 smp/jam. Nilai derajat kejenuhan pada Jalan Mulawarman berdasarkan hasil perhitungan adalah 1,07. Tingkat pelayanan jalan pada Jalan Mulawarman ada pada tingkat pelayanan F. Kata Kunci: Jalan Mulawarman; Derajat Kejenuhan; Tingkat Pelayanan Jalan The high volume traffic that passig throught the Mulawarman Road Borneo Paradiso Region caused the meeting of solid vehicles from different direction of street caused the vehicles build up on each direction of road in the morning or evening. The build up of vehicles due to the large number of vehicles that pass on it. Therefore the research on these roads has been conducted. In this study, the survey of vehicle volume, the survey of side barriers and also the survey of the road geometry then analyzed using the calculation Metod of the Indonesian Highway Capacity Manual (MKJI,1997) has been done. Based on the analysis, the volume on Mulawarman Road is 3126 smp/hour with capacity is 2921 smp/hour. The degree of saturation on Mulawarman Road is 1,07. The level of service on Mulawarman Road is F level. The Keywords: Mulawarman Road, Degree of Saturation ; Level of Service
Perkerasan jalan yang berada di daerah pesisir pantai Indonesia sangat berpotensi terjadi genangan yang menyebabkan kinerja jalan jadi menurun. Maksud dari penelitian ini untuk mengetahui seberapa besar pengaruh terhadap karakteristik aspal AC-WC yang memakai agregat halus dan agregat kasar dari desa Rintik dengan marshall test yang menggunakan perendaman air laut selama 30 menit di waterbutch, kemudian dibuat perbandingan perendaman air tawar selama 30 menit waterbutch dan juga tanpa perendaman dengan menggunakan aspal penetrasi 60/70. Karakteristik yang diukur dengan menggunakan alat marshall adalah stabilitas, flow, VIM, VMA dan VFB. Hasil penelitian menunjukkan bahwa perendaman dengan air laut terhadap campuran aspal AC-WC mengakibatkan nilai struktural pasca perendaman menurun, penurunan yang terlihat adalah di perendaman air laut pada flow sebesar 2,24 mm tetapi tetap masuk dalam spesifikasi AC-WC. Sedangkan pada perendaman air tawar terlihat penurunan di tanpa perendaman pada nilai flow sebesar 2,02 mm seperti di perendaman air laut. Disimpukan bahwa terdapat pengaruh pada campuran aspal AC-WC yang diakibatkan perendaman air laut dan air tawar akan berpengaruh pada kinerja perkerasan yang mengakibatkan penurunan durabilitas atau keawetan perkerasan jalan. Penurunan terbesar terjadi pada perendaman air laut dibandingkan air tawar. Road pavements located in coastal areas of Indonesia have the potential for inundation which causes road performance to decline. The purpose of this study was to find out how much influence it has on the characteristics of AC-WC asphalt using fine aggregate and coarse aggregate from Rintik Kabupaten Paser with a marshall test that uses seawater immersion for 30 minutes in a waterbutch, then a comparison of fresh water immersion for 30 minutes is made with waterbutch and also without immersion using 60/70 penetration asphalt. Characteristics that were measured using the Marshall tool were stability, flow, VIM, VMA and VFB. The results showed that the immersion with seawater on the AC-WC asphalt mixture resulted in a decrease in the post-immersion structural value, the visible decrease was in seawater immersion at a flow of 2.24 mm but still included in the AC-WC specification. Meanwhile, in fresh water immersion, a decrease was seen without immersion at a flow value of 2.02 mm as in seawater immersion. It is concluded that there is an effect on the AC-WC asphalt mixture caused by immersion in seawater and fresh water will affect the performance of the pavement resulting in a decrease in the durability or durability of the pavement. The greatest decrease occurred in seawater immersion compared to fresh water
Penelitian ini melakukan penelitian pada air waduk Manggar di Kota Balikpapan. Penelitian dilakukan dengan metode kuantitatif. Data primer yang digunakan hasil dari kunjungan langsung ke lokasi penelitian dengan melakukan observasi dan wawancara kepada PDAM Kota Balikpapan. Data sekunder merupakan data yang diperoleh dari PDAM Balikpapan, dan dari berbagai sumber buku. Metode pengoptimalisasian air waduk Manggar menggunakan perhitungan output air yang terjadi. Metode ini untuk mengetahui berapa lama waduk Manggar dapat bertahan tanpa hujan. Dilakukan perhitungan kebutuhan air baku PDAM, pengukuran curah hujan, penguapan air, dan kapasitas waduk Manggar. Perhitungan kapasitas waduk menggunakan simulasi debit waduk Manggar saat Instalasi Pengolahan Air Kilometer 12 dimaksimalkan dan jika air waduk manggar diambil lagi dengan debit 300, 500, dan 600 liter/detik. Berdasarkan hasil analisis yang telah dilakukan, dapat disimpulkan bahwa kapasitas 300 liter/detik dapat bertahan 110 hari, dengan kapasitas 500 liter/detik dapat bertahan 97 hari, dan dengan kapasitas 600 liter/detik dapat bertahan 91 hari dengan asumsi tanpa terjadi hujan paling lama 90 hari. This study was conducted on Manggar reservoir in Balikpapan city. The study used by quantitative method. The primary data of this study was obtained from visited Manggar reservoir by conducting observations and interviews with employees of PDAM Balikpapan. The secondary data was taken from PDAM Balikpapan’s data, and from various book sources. The method of optimizing the Manggar reservoir by calculated the output of the water that occurs. This method was used to find out how long the Manggar reservoir can last without rain. The needs of PDAM’s water has been calculated, measurements of rainfall, evaporation of water, and the capacity of the Manggar reservoir. Calculation of reservoir capacity used Manggar reservoir discharge simulation at Kilometer 12 Water Treatment plant is maximized and if water from the Manggar reservoir is taken again with 300, 500, and 600 liter / second. Based on the results of the analysis that has been carried out using the reservoir water optimization method, it can be concluded that with a capacity of 300 liters / sec can last 110 days, with a capacity of 500 liters / sec can last 97 days, and with a capacity of 600 liters / second can last 91 days.
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