Porgera Joint Venture P O Box 484 Mt. Hagen PNG Phone: 5478343 Fax: 5478398
PERMIT TO EXCAVATE
Excavation No 1712
INFORMATION OF EXCAVATION.
Name of Applicant
Date
16/03/26
Start Date of Excavation
Area 100
(TO BE COMPLETED BY THE EXCAVATOR)
Department
Issac Narimbi
Work Order
Task
16672116
16/03/26
FPM
Duration of Excavation
Excavation
30 Days
Reason for Excavation Surface excavation for exposing covered Tailings lines.
Description of Exact Location of Excavation
The length of the tailings lines from Neut circuits to the Concentrator. D 1m x W- 2m x LDepending on covered sections.
DRAWING OFFICE CHECK
COMMENTS
Check for indication of buried pipe within that
area. Please enegage licensed electrician to
inspect and scan for buried electrical cables and
pipes. Percaution to be taken to avoid damaging
underground poly pipes or service lines, which
may not be indicated in the darawing or picked up
in the scan.
Date
Name And Initials
LN
3/16/2026 Lukis Nakau
SITE CHECK USING CABLE AND PIPE LOCATOR
COMMENTS
Date
Name And Initial
N.B DRAWING OFFICE TO BE NOTIFIED MINIMUM 4 HOURS BEFORE BACKFILLING
COMMENCED.
BOTH DRAWING OFFICE AND SITE CHECKS MUST BE CARRIED OUT BEFORE COMMENCING
EXCAVATION.
AUTHORISATION
NAME AND SIGNATURE
DATE
AREA SUPERINTENDANT
PERMIT VALID FROM
Warning:
TO
When excavating be aware of the following hazards and associated precautions;.
1. Striking services such as electric cables, gas pipes (always search for cables with a cable
locator, do not jump off vehicles that have struck electric cables)
2. Collapse of earthwork onto workers (batter sides or install shoring, throw soil well clear of sides, keep
vehicles away from edges)
3. People and vehicles falling into excavation (install barriers)
4. Asphyxsation from gas collection (provide ventilation)
5. Water seepage into excavation.
6. Inadequate access (provide ladders etc)
7. Workers struck by excavation machinery.
8. Excavation over 1.5m deep requires shoring or battering of sides and access every 9m. Ref NSCA