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Abstrak :
ABSTRAK A successful project requires a convenient cost estimation. The fragmentary of a construction project starts with an imperfect cost analyze and estimation. This paper is discussing about the analyze of cost estimation with different methods, the study is conducted by two different cost estimation coefficient which is SNI Indonesian standard MPW Ministry of Public Work 2016, price journal DKI Jakarta 2017 and private contractor perspective Expert Judgment . The work of raft foundation is a construction project with repetitive work activities. In this research, there were two analyses, namely comparison the cost analysis Identifying aspects, which makes different in cost analyzing result. This writing will compare the analysis of construction costs for raft foundation that done in the field with the value of the contract, so in this paper we will see the difference of cost estimation based on Indonesia standard MPW 2016, price journal of DKI 2017 and expert judgment with contractor.X who complete this project. The analysis done in this research is to study the use of coefficient value or index and unit price and wage on a materials, tools and workers in cost analysis at raft foundation job. The method used is a case study conducted at the Pesona City Mall Project. The data collection done by collecting the documents, materials and labor, then analyzing the data. The analysis done by comparing the contract value on raft foundation job with the result of project cost analysis using MPW 2016, Journal DKI Jakarta price list and expert judgment. So that obtained comparison of Analysis of Construction Cost between contractors values with project cost based on MPW 2016, Journal 2017 DKI Jakarta and expert judgment to identify the method and aspects, which affect cost estimation. In result the cost estimation based on Expert judgment have lower price than MPW 2016 coefficient and Jakarta price list 2017, but still it is higher than contractor.X price.

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AbstractA successful project requires a convenient cost estimation. The fragmentary of a construction project starts with an imperfect cost analyze and estimation. This paper is discussing about the analyze of cost estimation with different methods, the study is conducted by two different cost estimation coefficient which is SNI Indonesian standard MPW Ministry of Public Work 2016, price journal DKI Jakarta 2017 and private contractor perspective Expert Judgment . The work of raft foundation is a construction project with repetitive work activities. In this research, there were two analyses, namely comparison the cost analysis Identifying aspects, which makes different in cost analyzing result. This writing will compare the analysis of construction costs for raft foundation that done in the field with the value of the contract, so in this paper we will see the difference of cost estimation based on Indonesia standard MPW 2016, price journal of DKI 2017 and expert judgment with contractor.X who complete this project. The analysis done in this research is to study the use of coefficient value or index and unit price and wage on a materials, tools and workers in cost analysis at raft foundation job. The method used is a case study conducted at the Pesona City Mall Project. The data collection done by collecting the documents, materials and labor, then analyzing the data. The analysis done by comparing the contract value on raft foundation job with the result of project cost analysis using MPW 2016, Journal DKI Jakarta price list and expert judgment. So that obtained comparison of Analysis of Construction Cost between contractors values with project cost based on MPW 2016, Journal 2017 DKI Jakarta and expert judgment to identify the method and aspects, which affect cost estimation. In result the cost estimation based on Expert judgment have lower price than MPW 2016 coefficient and Jakarta price list 2017, but still it is higher than contractor.X price.

Abstrak :
Instalasi pengolahan air minum (IPAM) Citayam dalam proses pengolahannya akan menghasilkan residu berupa lumpur (sludge). Menurut beberapa peraturan disebutkan bahwa penyelenggaraan SPAM (Sistem Pengolahan Air Minum) melaksanakan penyelenggaraan sanitasi seperti pengolahan limbah untuk mencegah pencemaran Air Baku dan menjamin keberlanjutan fungsi penyediaan Air Minum. IPAM Citayam yang belum melakukan pengolahan limbah dari proses pengolahan air minum, melainkan hanya melakukan pembuangan secara langsung ke sungai Ciliwung. Tujuan dari penelitian ini untuk menganalisa karakteristik lumpur serta merencanakan instalasi pengolahan lumpur. Dari hasil analisa karakteristik lumpur, maka akan direncanakan beberapa alternatif sistem pengolahan lumpur yang kemudian akan dipilih dengan analisa SWOT, metode Expert Judgment, dan metode AHP (Analytical Hierarchy Process). Dengan debit instalasi sebesar 120 L/detik, IPAM Citayam menghasilkan jumlah timbulan massa lumpur sebesar 1353,81 kg/hari dan timbulan volume lumpur sebesar 283,15 m3/hari. Berdasarkan karakteristik lumpur serta hasil pemilihan alternatif maka dipilih sistem pengolahan lumput yang terdiri dari 1 bak ekualisasi, 1 unit gravity thickener, 1 unit chemical conditioner, dan 1 unit belt filter press. Hasil pengolahan berupa dry cake lumpur akan dibuang ke landfill dan supernatan akan di resirkulasi menuju unit pengolahan air minum yaitu unit koagulasi.

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Water treatment plant (WTP) Citayam produced sludge in a large quantity. According to several regulations, it is stipulated that the implementation of SPAM carries out sanitation operations such as waste management to prevent raw water pollution and ensure the sustainability of drinking water supply functions. The sludge generated from WTP Citayam is directly discharge into stream Ciliwung. The aim of this study is to analyze the characteristics of sludge and to plan for sludge treatment plant. From the results of the analysis of sludge characteristics, several alternative sludge treatment systems will be planned which will then be selected by SWOT analysis, Expert Judgment method, and AHP (Analytical Hierarchy Process) method. With an installation discharge of 120 L/sec, WTP Citayam produced sludge is 1353.81 kg/day and 283.15 m3/day. Based on three method, will be selected sludge treatment plant which has 1 equalization basins, 1 gravity thickener, 1 chemical conditioner, and 1 belt filter press. The processing results in the form of dry cake sludge will be discharged into landfills and the supernatant will be recirculated to the drinking water treatment unit, it is the coagulation unit.