Survey Procedure for Pipeline Mattress Installation - Offshore Operations

SURVEY PROCEDURE FOR PIPELINE MATTRESS INSTALLATION
APRIL, 2014
A u t h o r : A B I S O Y E O L U W O
Page 1
SURVEY PROCEDURE
FOR
PIPELINE MATTRESS
INSTALLATION

SURVEY PROCEDURE FOR PIPELINE MATTRESS INSTALLATION
APRIL, 2014
A u t h o r : A B I S O Y E O L U W O
Page 2
Table of Contents
1.0 SCOPE ............................................................................................................................................. 3
2.0 TERMS AND DEFINITIONS ...................................................................................................... 3
3.0 REFERENCES ............................................................................................................................... 3
4.0 ROLES AND RESPONSIBILITIES ............................................................................................. 4
5.0 ENVIRONMENT, HEALTH AND SAFETY .............................................................................. 4
6.0 MOBILIZATION AND PROJECT RESOURCES ...................................................................... 8
7.0 FIELD OPERATION ................................................................................................................... 12
8.0 EXECUTION PROCEDURES .................................................................................................... 14
9.0. DEMOBILIZATION .................................................................................................................... 15

SURVEY PROCEDURE FOR PIPELINE MATTRESS INSTALLATION
APRIL, 2014
A u t h o r : A B I S O Y E O L U W O
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1.0 SCOPE
This document highlights the Procedures for Surface Positioning and Subsea Monitoring to
support the Pre-installation, Installation and Post-Installation operations of protective mattresses on
Subsea Riser Spools and Pipelines with concrete mattresses onboard a Dive Support Vessel (DSV).
While this document serves to outline the methodologies, there will be certain activities and
vessel movements that will be planned, defined, agreed, and coordinated on site between the
Parties involved and the various Vessel Masters. This will include, but not be limited to, Vessel
stand‐by locations, Vessel mooring line details, mooring connection points, etc.
2.0 TERMS AND DEFINITIONS
Term
Definitio
n
BMS
Barge Management System
Company
TBA
Contractor
TBA
CALM
Cantenary Anchor Leg Mooring
C-O
Calculated Minus Observed
CTD
Conductivity-Temperature-Depth
CRP
Central Reference Point
DSV
Dive Support Vessel
DGPS
Differential Global Positioning System
DPR
Daily Progress Report
HES
Health, Environment & Safety
TRA
Task Risk Analysis
KP
Kilometer Point
LBL
Long Base Line
MRU
Motion Reference Unit
PLEM
Pipeline End Manifold
RPL
Route Position List
TMS
Tug Management System
USBL
Ultra Short Base Line
WGS
World Geodetic System
3.0 REFERENCES
3.1 Company‐supplied Drawings and References
These are documents to be supplied by the Company to the Contractor. This includes but is not
limited to the following; Base Map of the Work Location, Contract Document, Drawing Index,
Pipeline Route, Riser Spool Details, Riser Support and Riser Clamp Details, Riser Sections and
Details.

SURVEY PROCEDURE FOR PIPELINE MATTRESS INSTALLATION
APRIL, 2014
A u t h o r : A B I S O Y E O L U W O
Page 4
3.2 Contractor‐supplied Documentation and Drawings
These are documentations to be supplied by the Contractor to the Company. This include but are not
limited to the following; Project Execution Plan, Project HSE Plan, Emergency Response Plan,
Project Quality Plan, , Survey Dive Support during Mattress Installation, Pre-Installation Survey
Procedure, Fuel Transfer Procedure, Personnel Transfer Procedure, JHA for Jacket Installation,
JHA for Marine Pre-Installation Survey, JHA for Mooring Operations, Overall Field Layout.
4.0 ROLES AND RESPONSIBILITIES
Contractor responsibilities shall include but are not limited to the following:
 Submission of methodology and field procedures.
 Submission of data processing and interpretation procedures.
 Submission of quality control and data management procedures.
 Project organization offshore and onshore.
 Submission of current equipment certification.
 Submission of CVs of prospective field team members for 24hour operation.
 Submission of Mobilization/Demobilization Plan.
5.0 ENVIRONMENT, HEALTH AND SAFETY
Contractor shall adhere strictly and comply with Environment, Health and Safety rules, regulations,
procedures and policies such as:
 Alcohol and Drug Policy
 Transport Policy
 Environmental Compliance
 Emergency Response
 Incident Reporting
 PPE Regulations
 Medicals and Safety Trainings
 Audit and Inspection
 Task Risk Assessment and Hazard Identification
 Toolbox Meetings, Safety Meetings etc.
5.1 Personnel Protective Equipment
At the most basic level, offshore staff shall take sensible responsibility for their personal health and
safety, and that of their co-workers. When venturing out on deck appropriate safety gear shall be
worn at all times, this will include, but not limited to:
 Full sleeve coveralls
 Safety helmet
 Safety boots
 Safety glasses
 Ear defenders
 Gloves.
When working near the side of the DSV/vessel or on the back deck, a life jacket or work-vest will be
worn. The Party Chief has responsibility for all health and safety matters relating to survey safety at

SURVEY PROCEDURE FOR PIPELINE MATTRESS INSTALLATION
APRIL, 2014
A u t h o r : A B I S O Y E O L U W O
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all times on this project, although ALL personnel have a duty to perform tasks in a safe and
appropriate manner. Appropriate PPE shall be worn by personnel at ALL times when on deck
involved in survey operations. This will include, but not be limited to, coveralls, safety helmet,
safety boots, and gloves if handling wire or equipment. A Life Jacket shall be worn when engaged in
work at or near the side of the DSV/vessel.
The HSE Officer shall ensure that personnel onboard the survey vessel comply with all safety
regulations at all times. He shall also have responsibility for maintaining all safety records and also
for reporting all safety observations and violations to the Party Chief and also to the client
representative.
A documented safety meeting involving the Party Chief, client representative(s) and Captain and
ALL available crew members will be held during mobilization and survey location. Toolbox Talks
shall also be held as applicable prior to deployment / recovery of equipment or before any non-
routine task. The purpose of the Toolbox talk will be to discuss the objectives, plan the operation
and allocate personnel and resources.
5.2 HSE notice boards
Crew HSE notice board will be located in a strategic place on the vessel to cascade other
information’s such as:
 Company HSE policies
 HSE Memos
 Crew HSE Objectives
 Minutes of HSE meetings
 Monthly HSE Reports
 Best Practice notifications
 Safety alerts
 Action items status sheet
5.3 Safety Operations
Upon arrival onboard the vessel, all personnel shall undergo an induction briefing that will address
the primary safety issues surrounding the vessel and the general offshore operations.
An induction shall be conducted by the HSE officer and other visual aids shall be utilized.
Personnel shall be made aware of the following issues:
 Life boat drills and fire drill procedures
 Escape routes
 Protective clothing requirements
 Risk assessment procedure
All operations shall be carried out in a safe and responsible manner. Safety policies and safe
practices shall be considered at all times. Personnel shall actively participate in schemes designed to
enhance their health and safety onboard the vessel.