PROYEK PEMBANGUNAN GEDUNG SENTRALAND SEMARANG JALAN KI MANGUNSARKORO NO. 36 SEMARANG
Laporan Praktik Kerja
PROYEK PEMBANGUNAN GEDUNG
SENTRALAND SEMARANG
JALAN KI MANGUNSARKORO NO. 36 SEMARANG
Disusun Oleh :
Itok Agha Virnanda
12.12.0053
PROGRAM STUDI TEKNIK SIPIL
FAKULTAS TEKNIK
UNIVERSITAS KATOLIK SOEGIJAPRANATA
SEMARANG
2015
Laporan Praktik Kerja PROYEK PEMBANGUNAN GEDUNG SENTRALAND SEMARANG JALAN KI MANGUNSARKORO NO. 36 SEMARANG Disusun Oleh : Itok Agha Virnanda 12.12.0053 PROGRAM STUDI TEKNIK SIPIL FAKULTAS TEKNIK UNIVERSITAS KATOLIK SOEGIJAPRANATA SEMARANG 2015
Lembar Pengesahan Praktik Kerja
PROYEK PEMBANGUNAN GEDUNG
SENTRALAND SEMARANG
JALAN KI MANGUNSARKORO NO. 36 SEMARANG
Disusun Oleh : Itok Agha Virnanda
12.12.0053 Telah diperiksa dan disetujui, Semarang, ...............................
Ketua Program Studi Teknik Sipil Dosen Pembimbing Daniel Hartanto, S.T, M.T. Dr. Ir. Djoko Suwarno, M.Si.
LAMPIRAN KEPUTUSAN REKTOR
UNIVERSITAS KATOLIK SOEGIJAPRANATA
Nomor : 0047/SK.rek/X/2013 Tanggal : 07 Oktober 2013
Tentang : PERNYATAAN KEASLIAN LAPORAN PRAKTIK KERJA PROYEK PEMBANGUNAN GEDUNG SENTRALAND SEMARANG
PERNYATAAN KEASLIAN PRAKTIK KERJA
Dengan ini saya menyatakan bahwa dalam laporan yang berjudul “Proyek
Pembangunan Gedung Sentraland Semarang Jalan KiMangunsarkoro No.
ini tidak terdapat karya yang pernah diajukan untuk memperoleh36 Semarang”
nilai mata kuliah praktik kerja, dan sepanjang pengetahuan saya juga tidak terdapat karya atau pendapat yang pernah ditulis atau diterbitkan oleh orang lain kecuali yang secara tertulis diacu dalam naskah ini dan disebutkan dalam daftar pustaka. Apabila dikemudian hari ternyata terbukti bahwa laporan praktik kerja ini sebagian atau seluruhnya merupakan hasil plagiasi, maka saya rela untuk dibatalkan, dengan segala akibat hukumnya sesuai peraturan yang berlaku pada Univesitas Katolik Soegijapranata dan/atau peraturan perundang – undangan yang berlaku. .
Semarang, November 2015 Itok Agha Virnanda
NIM : 12.12.0053
KATA PENGANTAR
Puji dan syukur kepada Tuhan yang Maha Esa atas kesempatan atas berkat- Nya yang telah diberikan kepada penulis sehingga penulis dapat menyelesaikan pembuatan laporan praktik kerja ini dengan baik dan selesai pada waktunya serta sesuai dengan ketentuan yang berlaku.
Laporan praktik kerja yang berjudul “PROYEK PEMBANGUNAN GEDUNG SENTRALAND SEMARANG” ini disusun sebagai syarat untuk menempuh kegiatan perkuliahan serta memperoleh gelar kesarjanaan pada bidang studi Teknik Sipil Universitas Katolik Soegijapranata. Selain itu, laporan ini juga dibuat dengan maksud untuk menyampaikan ilmu yang telah penulis terima dan serap selama melakukan praktik kerja dari 1Agustus 2015 – 30Oktober 2015 yaitu tentang cara kerja pelaksanaan pekerjaan konstruksi hingga penyelesaian masalah konstruksi yang ditemui selama periode praktik kerja tersebut.
Di lain hal, dalam kesempatan ini pula penulis berkenan untuk mengucapkan terima kasih kepada:
1. Bapak Dr. Ir. Djoko Suwarno, M.Si. selaku Dekan Fakultas Teknik Sipil Universitas Katolik Soegijapranata sekaligus dosen pembimbing praktik kerja yang telah memberikan pengarahan dan bimbingan selama penulis melaksanakan praktik kerja hinggapenyusunan laporan praktik kerja
2. PT. Jakarta Rencana Selaras yang telah memberikan kesempatan kepada penulis untuk praktik kerjadi Proyek Pembangunan Gedung Sentraland Semarang serta memberi banyak pelajaran berharga kepada penulis tentang dunia kerja
3. Bapak Ahmad Tathur Mu’thi, Amd. selaku pembimbing lapangan dari PT.
Jakarta Rencana Selaras yang banyak membantu dan membimbing penulis selama menjalani praktik kerja
4. Kho Wilson Khoenadi dan Dita Martha Christianti, yang telah bersama- sama dengan penulismengumpulkan serta mengolah data yang didapat dalam kegiatan praktik kerja
Seluruh pihak yang telah tersebutkan maupun yang tidak sempat tersebut di atas telah mendukung penulis dan berpartisipasi besar dalam proses pembuatan laporan praktik kerja ini dari awal hingga akhir.
Penulis juga menyadari akan banyaknya kekurangan dalam laporan praktik kerja ini.Oleh karena itu, penulis memohon kritik dan saran membangun yang dapat digunakan sebagai bahan untuk memajukan penulis di kesempatan selanjutnya. Akhir kata, semoga laporan ini dapat bermanfaat bagi pembaca sekalian.
Semarang, November 2015 Penulis
KARTU ASISTENSI
KARTU ASISTENSI
PERMOHONAN IJIN PRAKTIK KERJA
KETERANGAN DITERIMA PRAKTIK KERJA
SURAT PERINTAH KERJA
BIMBINGAN PRAKTIK KERJA
KETERANGAN SELESAI PRAKTIK KERJA
UCAPAN TERIMA KASIH
DAFTAR ISI
HALAMAN JUDUL ········································································ i HALAMAN PENGESAHAN ····························································· ii SURAT PERNYATAAN KEASLIAN LAPORAN PRAKTIK KERJA ············ iii KATA PENGANTAR ······································································ iv KARTU ASISTENSI PRAKTIK KERJA ················································ vi SURAT PERMOHONAN IJIN KERJA PRAKTIK KERJA ·························· viii SURAT KETERANGAN DITERIMA PRAKTIK KERJA ··························· ix SURAT PERINTAH PRAKTIK KERJA ················································ x SURAT BIMBINGAN PRAKTIK KERJA ·············································· xi SURAT KETERANGAN SELESAI PRAKTIK KERJA ······························ xii SURAT UCAPAN TERIMA KASIH ···················································· xiii DAFTAR ISI ················································································· xiv DAFTAR TABEL ··········································································· xvi DAFTAR GAMBAR ········································································ xvii DAFTAR LAMPIRAN ····································································· xx
BAB I PENDAHULUAN ·································································· 1
1.1 Latar Belakang Proyek ·························································· 1
1.2 Lokasi Proyek ···································································· 2
1.3 Fungsi Bangunan ································································· 3
1.4 Tata Cara Pelelangan ···························································· 4
BAB II PENGELOLA PROYEK ························································· 7
2.1 Pemilik Proyek (Owner) ························································ 7
2.2 Konsultan Perencana ···························································· 8
2.3 Konsultan Manajemen Konstruksi ············································· 9
2.4 Kontraktor Pelaksana ···························································· 13
2.5 Hubungan Kerja ·································································· 14
2.5.1 Hubungan Kerja antara Pemilik Proyek dengan Konsultan Perencana ·································································· 14
2.5.2 Hubungan Kerja antara Pemilik Proyek dengan Konsultan Manajemen Konstruksi (MK) ·········································· 15
2.5.3 Hubungan Kerja antara Pemilik Proyek dengan Kontraktor ········ 15
2.5.4 Hubungan Kerja antara Konsultan Perencana dengan Kontraktor 15
2.5.5 Hubungan Kerja antara Konsultan Manajemen Konstruksi (MK) dengan Kontraktor ······················································· 16 BAB IIIPELAKSANAAN ································································· 17
3.1 Metode Pelaksanaan Pekerjaan ················································· 17
3.2 Pekerjaan Struktur Bawah ······················································ 17
3.2.1 Pondasi Tiang Pancang ·················································· 17
3.2.2 Pile Cap ···································································· 19
3.2.3 Tie Beam ··································································· 24
3.2.4 Retaining Wall ···························································· 26
3.3 Pekerjaan Struktur Atas ························································· 28
3.3.1 Kolom ······································································ 28
3.3.2 Balok dan Plat Lantai ···················································· 37
3.3.3 Shear Wall ································································· 51
3.3.4 Tangga ····································································· 55
3.3.5Dinding Parapet ··························································· 60
3.4 Pekerjaan Dinding Bata Ringan ················································ 63
3.5 Alat - Alat Kerja ·································································· 66
3.6Bahan - Bahan ····································································· 78
3.7Pengendalian Proyek ····························································· 87
3.7.1 Pengendalian Mutu ······················································· 87
3.7.2 Pengendalian Biaya ······················································ 91
3.7.3 Pengendalian Waktu ····················································· 92
3.8Permasalahan ······································································ 94
3.8.1 Faktor Alam ······························································· 94
3.8.2 Faktor Manusia ··························································· 97
3.8.3 Faktor Alat ································································· 98
BAB IV PENUTUP ········································································· 100
4.1 Kesimpulan ······································································· 100
4.2 Saran ··············································································· 101 DAFTAR PUSTAKA ······································································· 103
DAFTAR TABEL
Tabel 1.1 Fungsi Bangunan Sentraland Semarang tiap Lantai ······················· 4Tabel 3.1Tipe Pile Cap ····································································· 20 Tabel 3.2Tabel PembesianKolom ························································· 30 Tabel 3.3Tabel Pembesian Balok ·························································· 42
DAFTAR GAMBAR
Gambar 1.1 Peta Lokasi Proyek ························································· 2Gambar 1.2Pembagian Zona Proyek Sentraland Semarang ···························· 3
Gambar 2.1 Bagan Struktur Organisasi Manajemen Konstruksi ···················· 10Gambar 2.2 Hubungan Kerja antara Owner,MK, Konsultan dan Kontraktor ····· 16Gambar 3.1 Sambungan Tiang Pancang ············································· 18Gambar 3.2 Alat Hydraulic Static Pile Driver (HSPD) ······························· 19Gambar 3.3 Proses Penggalian TanahMenggunakan Excavator ···················· 21Gambar 3.4Proses Pemotongan KepalaTiang Pancang ································· 21
Gambar 3.5 Bekisting Pile Cap ·························································· 22Gambar 3.6Proses PembesianPile Cap ··················································· 24 Gambar 3.7Bekisting Tie Beam ···························································· 25 Gambar 3.8Proses PembesianTie Beam ·················································· 26 Gambar 3.9Retaining Wall ································································· 26 Gambar 3.10TulanganRetaining Wall ···················································· 27 Gambar 3.11Bekisting Retaining Wall ···················································· 28 Gambar 3.12Proses PekerjaanMarkingKolom ··········································· 29
Gambar 3.13 Pembesian Kolom ························································· 32Gambar 3.14Proses Penyambungan Tulangan Kolom ·································· 33 Gambar 3.15Proses PemasanganSepatuKolom ·········································· 34
Gambar 3.16 Proses PenguncianBekisting Kolom ···································· 35Gambar 3.17 Proses Pengecoran Kolom ·············································· 36Gambar 3.18Proses Ekspose Kolom ······················································ 37 Gambar 3.19Pemasangan Perancah ······················································· 38 Gambar 3.20Bekisting Balok ······························································ 39 Gambar 3.21Bekisting Plat LantaiDilihat dari Bawah ·································· 40
Gambar 3.22 Proses Pemasangan Bekisting Plat Lantai ····························· 40Gambar 3.23Bekisting Shaft ······························································· 41