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AQC.FR.0
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METHOD STATEMENT PLUMBING AND Yayın Tarihi / Effective
28.01.2020
Date:
SANITARY SYSTEMS WORKS Rezivyon No / Revision
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Revizyon Tarihi /
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METHOD STATEMENT for PLUMBING AND PS-MOS-S-000.R0

SANITARY SYSTEMS WORKS

İndex
1. Purpose............................................................................................................................1
2. Scope.................................................................................................................................2
3. Reference.......................................................................................................................2
4. Definitions......................................................................................................................2
5. Responsibilities...........................................................................................................2
6. Procedure.......................................................................................................................2
6.1 Working Hours & Neighbourhood Relations..................................................2
6.2 Work Schedule..........................................................................................................3
6.3 Workforce...................................................................................................................3
6.4. Equipments and Machinery................................................................................3
6.5 Implementation Details......................................................................................3
7.Controls & Checks.......................................................................................................3
8.Risk Analyze...................................................................................................................3
9. Circulation......................................................................................................................3
10.Annexes.........................................................................................................................3

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1. Purpose

The purpose of the subcontractor is to complete the work on time and in high quality
according to the method statements, by giving maximum importance to national and international
HSE standards.

2. Scope

This method statement includes plumbing and sanitary systems works that install
according to specifications, national/international standards, and details and principles in the
drawings for Elite Shore Project D-E-F Blocks at Meserburnu Road in Sarıyer, in İSTANBUL.

3. Reference

 MEP Specification and Installation Details of Elite Shore Project

 Turkish Standards

 ASHREA Standards

 NFPA Standards

 ASTM Standards

 UL Standards

4. Definitions

- Project: Elite Shore – D-E-F Blocks

- Project Address: Cenral Sarıyer, Meserburnu Road, Nb:7, Sarıyer, Istanbul, Turkey

- Employer: ALEM Gayrimenkul Yatırım ve Turizm A.Ş.

- Client Representative: EMR Mimarlık-Restorasyon-Uygulama

- Development Manager:

- The architect and lead consultant, structural engineer, mechanical and electrical
engineer, acoustic consultant and lighting consultant:

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- Interior Designer:

- Project Manager: Mehmet ATMACA

- Health and safety monitoring consultant (Turkey):

- Health and safety advisor (UK):

- Audio visual and IT consultant:

- Contractor: EGE YAPI A.Ş.

- Contractor’s Joint Health and Safety Unit:

- Contractor’s Temporary Design Works Consultant:

- Subcontractors: GENC MÜHENDİSLİK İNŞAAT TAAHHÜT TİCARET LTD. ŞTİ.

5. Responsibilities

5.1 Site Chief

Site chief ensures to complete the works with high quality under Employer’s/Engineer’s accepted
standards, coordination with other diciplines and contractors at construction area, and conform to
HSE standards.

5.2 Technical Office Staff

After architectural drawings are shared out by Employer/Engineer, study on drawings, if there is
any missing or perform for MEP works, regarding and sharing the taken notes with
Employer/Engineer; moreover, calculating loads, drawing projects, receiving approvals from
Engineer, preparing shop-drawings/as-builts, and let resident engineer has drawings.

5.3 Resident Engineer

Installation of drawings prepared by Technical Office in the field, if there are any discrepancy
between construction site, hold down and report to Technical Office. Describing installation and
working methods to foremans, fixing up HSE equirements at working area. Making sure ensure
installation works in high quality, planning materials and workers schedule according to the main
schedule.

5.4 Resident Technicians, Foremen, Workmen

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Installing MEP works in accordance with drawing and method statements that came from Resident
Engineer and Technical Office.

6. Procedure

6.1 Working Hours & Neighbourhood Relations

Contractor predicates to work in time interval as Employer/Engineer stated. Unless otherwise

specified, work time will state eight hours per day in six days of week. While working, contractor
workers and staff will use service roads, preestablished work area.

6.2 Work Schedule

Following situations will be taken in consideration by staff/Engineer plans work schedule

 Works starts with site delivery protocol

 Site workers will be coordinated by Resident Engineer. Equipment and material

preparation will be done according to working block/part

 Offices in work site will be planned for staff/Engineer who work on this project.

 Transportation and vehicle entrance to work site will be planning and report to
concerned staff and will be taken the permits a day in advance.

 Before published Schedule, is needed approval of all parties.

6.3 Workforce

Contractor’s site chief, resident engineers, and other staff called as engineer must have minimum
bachelor’s degree. Site chief must have minimum 5 years of experience and resident engineer
must have minimum 3 years of experience.

Every master who will work at work site, have minimum 3 years of experience in a smilar job, in
similar projects; on the other hand, every master must have the certificate of proficiency on work.

Labours who will work at work site, are allowed to work in law and 18 years old at least.

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6.4. Equipments and Machinery

 Equipments
Drills

Cordless Screwdriver

Thread Cutter Machine

PPRC Pipe Welding Machine

Electrode Welding Machine

Pipe Wrenches

Scaffolding

Chamfering Machine

 Materials
PPR Pipes – TS EN 13566-4

Galvanised Steel Pipes – Pipe Diameter<Ø150 EN-1055-M, Pipe Diameter>Ø150 EN-

10217-1

PVC Pipes – TS275-1, EN1329-1

Dowels, Rod

Tubular Steel, Perforated Steel, Steel L Profile

Ball Valves

Butterfly Valves

Drain Valves

Gate Valves

Pipe Bracket

Check Valves

Strainers

Sewerage Check Valves

Vent Cowl

Drainers

Water Purification System

Modular Water Tanks

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Sanitary Wares

Oil/Grease Separators

6.5 Implementation Details

First of all, contractor will met with brand/technical approval for each materials and equipments.
After approval by Employer/Engineer, Contractor will purchase and transport needed materials and
equipments by schedule.

Contractors supplied materials and equipments, offloading procedure will control by HSE unit and
then permission of HSE unit, storaging by Contractor’s warehouseman.

PIPE INSTALLATION

Preparation for Installation

 Transportation of pipes will be done to the installation area. If it is necessary,
forklift, crane, pallet jack or tractor will keep available.

 Sufficient number of scaffold and manlift will be available.

 Required consumables and auxiliary materials will be ready for installation.

 Elevation marking will be done before installation.

 Hangers, brakets, steel consoles, supports manufacturing will be completed

 Drilling for banches, threading for pipe connection, junction if it is necessary will be
done

Installation of Galvanised Steel Pipes

Galvanies steel pipes will be used for domestic water pump rooms, wastewater drainage systems.
Equal and under Ø65 diameter pipes, connection will be threaded joint; over Ø65 diameter pipes,
connection will be coupling joint. For treaded joints, only male thread will pack with flax yarn. After
installation complete there will be only three tread can seem. If there is a separation needed,
there will be use a sleeve coupling.

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Figure-01

Installation of PVC Pipes

If PVC pipe install as horizontally, the will be 2% slope to the flow direction. Pipes are supported at
alçıpan necessary and sufficent conditions according to given tables with this statement. Every
stage of intallation (cutting&junction pipes, supporting and etc.) will be done at construction site.
Every branch or seperation will be install with approved fittings, and if it is necessary, fittings will
be siliconised against to leakage.

As extension precaution, pipes will be relocated 10mm backward after junction complete, except
under 50cm lenght pipes and fittings.

Installation Domestic Water System

In suspended ceiling, plasterboard walls, and underplaster PPRC pipes will be used. PPRC pipes
and their fittings will be supllied from the same brand.

All installation will be start after superpose drawing with other diciplines. Every stage of intallation
(cutting&junction pipes, supporting and etc.) will be done at construction site. Every branch or
seperation will be install with approved fittings. Inflection points will be uncut. Pipes connection
from Ø16 diameter to Ø125 diameter will be done by polypusion wleding, equal ande over Ø150
diameter will be done by butt welding. If pipes pass throught sleeve pipes, sleeve pipes will be
bigger two sizes from inner pipes at least.

Supporting Pipes
Piping in horizontal or vertical will be supported by heavy load clamp, hangers and NPU profiles
will be avaiable to connection with rods. Supports will be fixed to concrete with steel dowel. Pipes
underplaster will support with suitable clamps not wire.

Steel Pipe Diameter Max.Support Distance Max.Support Distance Rod Diameter

(Horizontal) (Vertical)

DN20 – DN40 3000 mm 3000 mm M8

DN50 - DN100 4000 mm 4000 mm M10

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DN125 - DN200 5000 mm 5000 mm M12

DN250 - DN300 6000 mm 6000 mm M16

PPRC Pipe Diameter Max.Support Distance Max.Support Distance Rod Diameter

(Horizontal) (Vertical)

Ø20 – Ø50 2000 mm 2000 mm M8

Ø65 – Ø110 2000 mm 2000 mm M10

Over Ø110 2250 mm 2250 mm M12

7. Controls & Checks

Wastewater Draiange Pipes

There will be performed water flow test on PVC pipes with sufficent flow rate. If there is any
leakage or another problem, it will be performed again after fixing problems. Pipes wherein
concrete will be covered after testibg complete succesfully.

Vent pipes will be installed in engineer trust.

Domestic Water Pipes

Domestic water pipe system will be tested with min 7bar(100PSI) hydrostatical pressure after pipe
installation complete before sanitary fixtures installation. Testing and watching all fittings will
continue for 6 hours with the same pressure.

8. Risk Analyze
ACTION RISK EFFECT RISK HSE POLICY
EXCESS RISK
APPRAISAL

APPRAISAL

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POSSIBILITY

RANGE

RISK
Construct handrail,
Using The Downfall because of Labour Injury,
M H H extended ladder L
Ladder narrow ladder step Financial Damage
step

Choosing the right

Using The Downfall because of Labour Injury,
M H H material against L
Ladder slippery raw material Financial Damage
slippery
Construct ladder
with solid material,
Using The Downfall because of Labour Injury, strengthen steps
M H H L
Ladder breakage step material Financial Damage with poles, control
and fix the broken
ladders
Using The Downfall because of Labour Injury, Construct handrail
M H H L
Ladder ladder without handrail Financial Damage for each ladder
Anchor ladders to
Downfall because of erase the slippery
Using The Labour Injury,
ladder without M H H and control ladder L
Ladder Financial Damage
anchorage anchorages
periodically
Provide training
Downfall because of
Using The Labour Injury, about ladder step
ladder steps with M H H L
Ladder Financial Damage slope, control
unsuitable slope
periodically
Chose wooden
Using The Downfall because of Labour Injury,
M H H materials without L
Ladder wooden ladder Financial Damage
knot and cracked
Construct rest point
Using The Downfall because of long Labour Injury,
M M M per 6 meters on L
Ladder ladder without rest point Financial Damage
ladder
At the edge points
Downfall because of
Using The Labour Injury, erect scaffold and
working with ladder at M M M L
Ladder Financial Damage use anchor safety
the edge
belt

Labours injuries as a No stacking near to

Material Labour Injury,
result of heavy materials M H H edges, stacking with M
Stacking Financial Damage
falling maximum 3m high

Lighting dark areas

Labours injuries as a if the is stacking,
Material Labour Injury,
result of stacking M H H set up safety M
Stacking Financial Damage
without enough lighting shoulder for stack
area
Stack on
Material Stacking on pedestrian Labour Injury, predetermined,
M H H L
Stacking ways or/and curb side Financial Damage safety areas at
construction site

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Material Fallen materials as a Labour Injury, Stacking with

M H H L
Stacking result of stack over high Financial Damage maximum 3m high

Controlled access to
flammable material
Fire outbreak as a result
Material Labour Injury, stack area, provide
of stacking flammable M H H M
Stacking Financial Damage hydrant and
materials incorrect
extinguisher at
stack area

Choose valid
Ladder tumbling or material for ladders,
Material fallen material onto Labour Injury, construct toe for
M H H M
Stacking labours as a result of so Financial Damage ladders,
much stacking on ladder manufacture
toolbox for labours
Labours injuries as a
Horizontal stacking,
Material result of stack steel Labour Injury,
M H H periodical controls M
Stacking construction materials Financial Damage
on site
fallen onto labours
Hand Tool Hearing loss as a result Labour Injury,
M H H Using ear muffs L
Use (Hilti) of loud noise Financial Damage
Wearing helmets
Hand Tool Labours injuries because Labour Injury, with splash-guard,
M H H L
Use (Hilti) of broken pieces Financial Damage control hand tool
before start to use
Hand Tool Dust aspiration with Labour Injury,
M M M Wearing respirator L
Use (Hilti) breath Financial Damage
Electrical Labours injuries with
Labour Injury, Wearing helmets
Hand Tool broken pieces because M H H L
Financial Damage with splash-guard
Use of forcing hand tools
Electrical
Electric shock as a result Labour Injury, Changing broken
Hand Tool M H H M
of worn cable insulation Financial Damage and worn cable
Use
Electrical Electric shock as a result
Labour Injury, Insulation of
Hand Tool of work on moist and M H H M
Financial Damage working area
Use wet surfaces
Controlled and
Electrical Electric shock as a result
Labour Injury, reported by
Hand Tool of work on moist and M H H L
Financial Damage electrical engineer,
Use wet surfaces
daily reporting
Unplug tool while
maintenance and
Electrical Labours injuries as a
Labour Injury, repair, after finish
Hand Tool result of tools without M H H M
Financial Damage working, work
Use earthing
according to
instructions
Using well-matched
Electrical Labours injuries as a
Labour Injury, protective parts,
Hand Tool result of tools without M H H L
Financial Damage work according to
Use well-matched parts
instructions
Provide training for
Hand Tool Labour Injury, work with drill,
Loss of limb L H M L
Use (Drill) Financial Damage inform with
instructions

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Hand Tool Labours injuries as a

Use (Spiral result of working with Labour Injury, Providing protective
M H H L
Grinding spiral grinding machine Financial Damage shield
Machine) without protective shield

Hand Tool Labours injuries as a

Control hand tools
Use (Spiral result of disassemble Labour Injury,
M H H with removable L
Grinding spiral grinding machine Financial Damage
parts
Machine) protective shield
Hand Tool
Wearing splash-
Use (Spiral Eye injury because of Labour Injury,
M H H guard glasses or L
Grinding burrs Financial Damage
face guard
Machine)
Work with spiral
Hand Tool
Hand injury because of grinding machine
Use (Spiral Labour Injury,
burrs or/and broken M H H with protective L
Grinding Financial Damage
pieces shield, wear safety
Machine)
gloves
Fire outbreak as a result
Hand Tool Keep flammable
of contacting hot burrs
Use (Spiral Labour Injury, materials or/and
or/and broken pieces M H H M
Grinding Financial Damage gases away from
with flammable
Machine) work zone
materials or/and gases
Scaffold demolition as a
Erect result of inaccurate Labour Injury, Periodical controls
M H H M
Scaffold immobilisation of Financial Damage for scaffold supports
gudgeons and pins
Block broken and
Erect Using broken, fracture Labour Injury, fracture scaffold
M H H M
Scaffold scaffold part Financial Damage parts, periodical
control

Support scaffold to
the structure with
Erect Not support to the Labour Injury,
M H H rods under the M
Scaffold structure Financial Damage
control of executive
engineers

Calculated load
Erect Labour Injury, capacities by an
Overloading M H H L
Scaffold Financial Damage executive engineer
while scaffolding
Erect Improper handling of Labour Injury, Wearing helmet,
M H H L
Scaffold scaffold parts Financial Damage safety gloves
Erect Working on platforms Labour Injury, Provide sufficiently
M H H M
Scaffold without boards Financial Damage boards
Continuous
Erect Intermittent placement Labour Injury,
M H H placement of board M
Scaffold of board on platforms Financial Damage
on platforms
Erect Working on platforms Labour Injury, Provide training for
H H H M
Scaffold with only one board Financial Damage labours
Labour or material fallen
Erect Labour Injury, Boards on platforms
as a result of M H H M
Scaffold Financial Damage have to supported
nonsupported boards

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Provide training for

Erect Nonuse safety belt while Labour Injury, labours about
H H H M
Scaffold working at height Financial Damage personal protective
equipments
Erect Labour Injury, Flatten surface
Unbalanced scaffold M H H M
Scaffold Financial Damage where scaffold built
Placement fragile
Erect Labour Injury, Provide valid
materials under M H H M
Scaffold Financial Damage materials
unbalanced scaffold

Unpin junction parts

in a certain manner,
Disassemble Unpin all junction parts Labour Injury, start disassemble
M H H M
Scaffold and work irregular Financial Damage from top, support
scaffold to the
structure

Fallen from height as a

Disassemble result of missing boards Labour Injury, Provide sufficiently
M H H L
Scaffold while disassemble Financial Damage boards on catwalks
scaffold

There is only one There will be two

Disassemble workers on platform Labour Injury, workers on platform
M H H M
Scaffold while disassemble Financial Damage while disassemble
scaffold scaffold

Disassemble Materials fallen while Labour Injury, Create a safe line

M H H M
Scaffold disassemble scaffold Financial Damage and exclusion area
Rolling Labour Injury, Built hand rail and
Fallen from height M H H L
Scaffold Financial Damage wear safety belt
Provide training for
Rolling Labour Injury, labours about
Nonuse safety belt H H H M
Scaffold Financial Damage personal protective
equipments
Moving of scaffold as a
Rolling Labour Injury, Adding roller
result of roller M H H M
Scaffold Financial Damage interruptor
interruptor
Moving of scaffold as a
Rolling Labour Injury, Periodical controls
result of broken roller M H H L
Scaffold Financial Damage for roller interruptor
interruptor
Scaffold downtrow as a
Rolling Labour Injury, Choose right size
result of inaccurate L H M L
Scaffold Financial Damage roller
roller size selection
Control scaffold
Rolling Scaffold downtrow as a Labour Injury, rollers before start
L H M L
Scaffold result of missing roller Financial Damage working, fix missing
rollers
Scaffold downtrow as a Construct scaffold
Rolling Labour Injury,
result of inaccurate M H H according to M
Scaffold Financial Damage
scaffold construction instruction
Fallen materials as a Start to work after
Work On Labour Injury,
result of unbalanced M H H control the scaffold M
Scaffold Financial Damage
scaffold foots

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Provide safety
Work On Fallen labour as a result Labour Injury,
M H H screen around the M
Scaffold of unbalanced scaffold Financial Damage
scaffold
Determine the
Work On Unsuitable scaffold for Labour Injury, qualification of
M H H M
Scaffold action Financial Damage action and use
suitable scaffold
Control cross pieces
Labour or material fallen before start to
Work On Labour Injury,
as a result of unpin M H H work, periodical M
Scaffold Financial Damage
cross pieces of scaffold control of cross
pieces
Control cross pieces
Scaffold downtrow as a before start to
Work On Labour Injury,
result of unpin cross M H H work, periodical M
Scaffold Financial Damage
pieces of scaffold control of cross
pieces
There should be
Work On Labour fallen as a result Labour Injury,
M H H stairs for every L
Scaffold of scaffold without stairs Financial Damage
scaffold
Do not use scaffold
Scaffold downtrow as a with missing roller,
Moving Labour Injury,
result of scaffold with M H H move scaffold after L
Scaffold Financial Damage
missing roller fix the missing
rollers
Do not use scaffold
Labour fallen as a result with missing roller,
Moving Labour Injury,
of scaffold with missing M H H move scaffold after L
Scaffold Financial Damage
roller fix the missing
rollers
Do not use scaffold
Material fallen as a with missing roller,
Moving Labour Injury,
result of scaffold with M H H move scaffold after L
Scaffold Financial Damage
missing roller fix the missing
rollers

9. Circulation
ALEM / EMR / Ege Yapı A.Ş.

10. Annexes

DATE OF PRESENTATION QUALITY CONTROL & CHIEF ENGINEER PROJECT MANAGER

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ASSURANCE ENGINEER

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