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BERDASARKAN MATERI SAFETY PRE – CONSTRUCTION PROYEK KAJIMA INDONESIA TAHUN 2018
DISKUSI PUBLIK GNKK “MEMBANGUN INFRASTRUKTUR TANPA KECELAKAAN KONSTRUKSI”
PRAKTIK BAIK PENGELOLAAN KESELAMATAN KONSTRUKSI OLEH: GUNAWAN PURYATAMA HSE MANAGER PT KAJIMA INDONESIA Makassar, 23 April 2018
All safety rules are written in blood
SEMAKIN SERING BICARA SAFETY, SEMAKIN AMAN
SAFETY WORK CYCLE
SIKLUS HARIAN K3L
- Morning Assembly
- Kiken Yochi Meeting
- Pre- operation
Inspection
- HSE Induction
- Daily Patrol
- Daily permit to Work
- JSA
MORNING ASSEMBLY & CHECK PPE dilakukan setiap shift kerja. Supervisor/ Pelaksana memaparkan rencana kerja, potensi bahaya dan pengendaliannya. Safety Officer menyampaikan temuan Daily Patrol kemarin dan tindakan perbaikannya.
KIKEN YOCHI MEETING Ada 3 level KY Meeting (TBM) 1. Supervisor / SO berbicara di tengah lingkaran, menyampaikan potensi bahaya dari
pekerjaan yang akan dilakukan secara umum 2. Dalam 1 lingkaran (max. 20 orang), Leader (bisa Spv atau Foreman), menunjuk
random anggotanya, pekerja yang ditunjuk harus bisa menyampaikan : pekerjaan yang akan dia dilakukan, material dan alat yang akan digunakan, bahaya dari pekerjaan dan pengendaliannya
3. Memberi tepukan psikologis dan membuat Laporan KYM dan Leader mengisi Papan KYM
SAFETY WORK CYCLE
SIKLUS MINGGUAN K3L
- Safety Talk
- General Cleaning
- Joint Weekly Site
Patrol & Meeting
- Blood Pressure
Checking
- Weekly Inspection
SAFETY TALK Bentuk kegiatan hampir sama dengan morning assembly, ditambah dengan penyampaian terkait pencapaian kinerja K3L, safety alert dan isu K3L. Bertujuan menumbuhkan kesadaran pekerja untuk turut mencapai target K3L proyek
SIKLUS BULANAN DAN TAHUNAN K3L
Weekly Patrol Weekly Meeting Blood Pressure Checking Weekly Inspection
- Safety Campaign
- Medical Check Up
- Emergency Drill
- Color Coding
Inspection
- P2K3 Inspection &
Meeting
- Management Tour REWARD SAFETY CAMPAIGN
SAFETY CROSS INSPECTION Patrol dan Inspeksi K3L di salah satu proyek yang dihadiri oleh perwakilan HSE Coordinator / HSE Manager proyek lainnya
HSE PRE – CONSTRUCTION MEETING Membahas control dari method yang akan dilaksanakan, dihadiri oleh PM, Spv, dan HSE proyek lain. Bisa dilaksanakan beberapa kali sesuai progress
CSMS dan KICK OF MEETING SUBKONTRAKTOR Menyampaikan persyaratan kerja di Kajima
Workplace Measurement
Weekly dan Monthly Inspection Lifting equipment Emergency Drill
CONTROL
BASIC TRAINING
1. OHSAS 18001:2007 & ISO
14001:2015 recognition
2. SMK3 (PP No. 50 / 2012)
3. Behavior-Based Safety
4. Mobile Crane & Excavator
Operation
5. Office safety
6. Working at height
7. Job safety analysis
8. Scaffolding
9. Electrical safety
10. Hot work practice
11. Incident & investigation report
12. Fire Fighting
13. Lifting and Rigging Plan
14. Site Security
15. Tool Box Meeting / Kiken
Yochi
16. Work Permit
17. Heavy Equipment inspection
18. Safety & Environment
Awareness
TRAINING
TRAINING
Training Documentation
SPECIFIC TRAINING
1. Foundation Work
2. Excavation Work
3. Install dan Dismantling
Perancah Formwork
4. Re-Bar Work
5. Steel Structure work
6. Dstnya sesuai dengan
metode kerja yang akan
dilaksanakan (Based on
progress)
Semua training di ikuti oleh SM,
Supervisor , Foreman dan
Subkont.
Materi berdasarkan Method
Statement (termasuk dari
Subkont), yang di review oleh
Safety Engineer menjadi materi
Training dan Checklist Pekerjaan
(Integrated QSE Checklist)
SITE SAFETY ENGINEERING
Pre mobilization Inspection Form Pre-use Inspection
Mobile Crane
Weekly/ Monthly Inspection Mobile Crane
Wire Rope
Inspection Form
Crane Operation
Permit
Crane Government
Certification Riksa Uji
Crane Operator License
& SIMPER
A. Crane Operation – Administration Control
1 2 3
4 5 6 7
Site Safety Engineering (Lifting Plan)
RING ON SIRINE
APPROVAL OF CRANE OPERATION PERMIT Contents:
1. 3.3.3 Method poster
2. Daily Pre Operation Inspection
3. SWL table
4. Boom Chart
5. Calculation of load
6. PIC
Submitted min.
a day before
Crane Operation – Daily
Site Safety Engineering
Auxiliary & Main Hoist Drum
Hook Clutch Anti two
block
Water pass (outrigger)
Outrigger Lock
Load Display
Moment Limiter Indicator lamp Angle Detector
Wire rope Measurement for
Auxiliary & Main
Boom Limit
1
2
3
4
5
6
7
8
9
Crane Inspection
Site Safety Engineering
TOTAL LOAD
1.Steel Truss (TR1) = 4,28 Ton
2.Spreader beam = 1,2 Ton
3.Hook Weight = 1,3 Ton
Total = 6.78 Ton
==================================
SWL = 14.2 TON x 80% = 11,36 TON
==================================
SWL (11,36 TON) > TOTAL LOAD (6.78 TON)
SAFE
1.Radius = 30 m
2.Height Level = 61 m
3.Boom Length = 51,8 m
4.Boom Angle = 61°
Hoisting Main Truss Sequence – Crawler Crane Load Calculation
Site Safety Engineering
- Radius 30 m = 14.2 ton
- SWL Radius 30 m = 14.2 ton x 80% = 11.36 Ton
Hoisting Main Truss Sequence – Crawler Crane Load Calculation (Cont’d)
Site Safety Engineering
9 m
Height Level = 61 meter
61O
Hoisting Main Truss Sequence – Crawler Crane Load Calculation (Cont’d)
Site Safety Engineeting
RESULT OF EXCAVATION
CALCULATION HOISTING IS WORK LOAD < SWL
SAFE
Site Safety Engineeting
IDENTIFIKASI TOTAL BEBAN YANG DIANGKAT
PASTIKAN TOTAL BEBAN YANG
DIANGKAT, TERMASUK JIKA ADA
PENGANGKATAN YANG ABNORMAL/
DILUAR KEBIASAAN/ DI LUAR STANDAR
YANG DIMILIKI, SUDAH TERIDENTIFIKASI
DAN DILAKUKAN KALKULASI dan
DIREVIEW OLEH SAFETY ENGINEER &
APPROVED PM
Site Safety Engineeting
Kriteria Umum Critical Lifting: 1. Total beban yg diangkat melebihi ambang batas standar . Contoh angkatan > 80% dari
SWL load chart. 2. Pengangkatan orang 3. Material khusus/ Abnormal Size 4. Pengangkatan menggunakan dua crane atau lebih 5. Pengangkatan material yg khusus, mudah rusak, dan bila rusak tidak bisa diperbaiki,
mengganggu proses kerja, dll. 6. Pengangkatan material yg akan dibongkar/demolish, ketidaktahuan berat beban yg
akan diangkat 7. Pengangkatan di area power lines, over active work areas, occupied buildings, public
roadways, transportation systems, etc. 8. Operasional pengangkatan di area terbatas (confined space), keterbatasan ketinggian
boom, dll.
Critical Lifting
CRITICAL LIFTING
LIFTING PLAN (diperiksa oleh Safety Engineer)
lifting plan approval oleh Top Site Management
Pre-lifting meeting (Precons
& Training)
ALUR KERJA UNTUK AKTIVITAS CRITICAL LIFTING
*Safety Engineering melakukan review pada lifting plan yang diajukan, memastikan lifting plan memenuhi standar atau merekomendasikan standar adopsi standar baru jika perusahaan/ proyek yang bersangkutan belum memiliki acuan terkait pekerjaan baru/ abnormal activity
Sequence 6 (Superstructure ) – 2FL Beam & Slab
MAIN PROGRESS
1. INSTALL SCAFFOLDING FOR SUPPORT 2ND BEAM & SLAB
2. INSTALL FORMWORK BEAM & SLAB 2ND
3. INSTALL REINFORCEMENT BEAM & SLAB 2ND
4. CONCRETING BEAM & SLAB 2ND FLOOR
Site Safety Engineering (PERANCAH)
Scaffolding Load Calculation for Middle Beam
Calculation with Frame Distance 900mm
CONSTANTA
• Concrete and rebar Dead Load : 24 kN/m3 = 2400 kg
• Formwork Dead Load : 0.4 kN/m3 = 40 kg/m2
• Life Load : 1.5 kN/m2 = 150
kg/m2
SAFETY FACTOR
• Dead Load (DL) = DL x 1.2
• Life Load (LL) = LL x 1.6
Sequence 6 (Superstructure ) – 2FL Beam & Slab
SLAB Thickness (150 mm)
SCAFFOLD CONFIGURATION SINGLE (1.8 m)
DOUBLE (0.9 m)
TRIPLE (0.6 m)
p (m) 1.658 1.658 1.658
l (m) 0.15 0.15 0.15
DL Concrete (Constanta: 2400 Kg/m3) 596.88 298.44 198.96
DL Formwork (Constanta: 40 Kg/m2) 9.948 4.974 3.316
Total DL x Safety Factor 728.1936 364.0968 242.7312
LL (Constanta 150 Kg/m2) x Safety Factor 716.256 716.256 716.256
Total Load 1444.45 1080.353 958.9872
Total Load Per Leg 722.2248 540.1764 479.4936
Maksimum Load Scaffold Per Leg 1500 1500 1500
Status SAFE SAFE SAFE
TYPE OF BEAM : 500 x 1500 mm
SCAFFOLD CONFIGURATION SINGLE (1.8 m)
DOUBLE (0.9 m)
TRIPLE (0.6 m)
p (m) 0.5 0.5 0.5
l (m) 1.5 1.5 1.5
DL Concrete (Constanta: 2400 Kg/m3) 1800 900 600
DL Formwork (Constanta: 40 Kg/m2) 30 15 10
Total DL x Safety Factor 2196 1098 732
LL (Constanta 150 Kg/m2) x Safety Factor 216 216 216
Total Load 2412 1314 948
Total Load Per Leg 1206 657 474
Maksimum Load Scaffold Per Leg 1500 1500 1500
Status SAFE SAFE SAFE
Site Safety Engineering
Typical Floor Formwork Conventional Calculation / RC Works
600 Kg / m2 X 1.219 m X 0.914 m
668.5 Kg
25 kN = 2509 Kg 0.68 T < 2.5 T ( SAFE )
600 Kg beban /m2 dari struktur diatas scaffolding
1.219 M = Lebar Scaffolding 0.914 = ½ Lebar Scaffolding
600 Kg / m2 X 1.2 m X 1.875 m
= 1350 Kg
0.13 T < 2.5 T ( SAFE )
Site Safety Engineering
Typical Floor Formwork Conventional Calculation 400 X 700 Typical Floor Formwork Conventional Calculation 450 X 900
1876 kg/m2 X 0.4 X 0.61
= 230 Kg
0.23 T < 1.5 T 25 kN = 2509 Kg
2358.5 kg /m2 X 0.45 X 1.524
807.9 Kg
25 kN = 2509 Kg 0.80 < 1.5 T
Site Safety Engineering