trans adriatc pipeline pre-commissioning project
TRANSCRIPT
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Trans Adriatc Pipeline Pre-Commissioning Project
Speaker: Luigi EusebiPre-commissioning Project Manager
IPLOCA webinar, 11th February 2021
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welcome
IPLOCA webinar, 11th February 2021
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agenda
1) overview
2) project brief description
3) work description
4) main constraints
5) Q&A and closure
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overview
IPLOCA webinar, 11th February 2021
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who we are Trans Adriatic PipelinePre-Commissioning Project
Techfem is an independent engineering and construction services firm.
The strong attitude to problem solving made us highly experienced in managing complex engineering issues.
The technological innovation allows us to operate in several areas of energy and oil & gasfield: upstream, midstream and downstream.
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who we are Trans Adriatic PipelinePre-Commissioning Project
Founded by Francesco Ferrini
Transition into a limited liability company Techfem srl
Incorporation of SicurGas srl
Incorporation of TechfemSud srl
Techfem Group offering design, construction supervision and pre-commissioning for transport, handling and storage of fluids and multiphase mixtures.
Companies of Techfem Group merged into Techfem S.p.A.
Federico Ferrini becomes head of Techfem
1984
1987
1994
2005
2006
2013
2021
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wherewe areheadquarter
Our headquarter is located in Fano (Pesaro-Urbino) in Marche region.
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offices
Lamezia Terme (CZ)
wherewe are
We have a branch office in Calabria, southern Italy.
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offices
S. Donato Milanese
Rome
Albania
Serbia
Mozambique
… and other offices in strategic locations.
wherewe are
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businessunits
Design & Consultancy
Site Works Management & Supervision
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Pre-commissioning
Resarch & Development
businessunits
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project brief description
IPLOCA webinar, 11th February 2021
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what isTAP?
Trans Adriatic Pipeline, also known as TAP, is a gaspipeline transmission system with a length of approx.900 km, connecting the Greek-Turkish border and Italyacross Greece and Albania, allowing the transportation ofnatural gas from the Caspian sea.
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what is TAP? Trans Adriatic PipelinePre-Commissioning Project
The infrastructure features a 36” diameterpipeline in the offshore and Italian sections and a 48” diameter in the onshore sections in Greeceand Albania.
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work description
IPLOCA webinar, 11th February 2021
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Techfemscope of
work
Techfem team executed the pre-commissioningoperations of the 105 km offshore pipeline link from Albania to Italy, with a maximum depth pf 810 m.
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pre-commphases & numbers
Assistance during laying
Flooding
Cleaning & Gauging
Hydrotesting
Dewatering
Drying
145 days of assistance during pipe laying
6 days of continuous operation130.000 m³ of UV treated seawater injectedwater flowrate of 1.073 m³/h
max expected pressure 27 barg6 Bi-Di pigs equipped with pig tracking
Pressurisation at 2.100 l/min @ 200 barg48 hours of hold period
9 days of continuous operation8 Bi-Di pigs equipped with pig tracking 35.000 Sm³/h of technically oil free dry compressed air @ 120 barg
8 days of continuous operation30.000 Sm³/h of technically oil free dry compressed airair dew point -40°C @ atm pressure
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main worksite in Italy, about 25.000m²
55.000 worked manhours without injuries
main worksite Trans Adriatic PipelinePre-Commissioning Project
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Video Trans Adriatic PipelinePre-Commissioning Project
Scan thisQR Codeto watchthe video
online
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receiving worksite in Albania, about 12.500m²
6.000 m³ of settling ponds
hydrotest water treatement before discharge into seabody
receiving worksite Trans Adriatic PipelinePre-Commissioning Project
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data acquisition
system
receivingspread
water spread
air spread
mainoverview
DAS system
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main constraints
IPLOCA webinar, 11th February 2021
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noise
receptors at distance lower than 100m
impossibility to request the noise derogation due to the social impact
Impossibility to use large footprint noise barriers supports and to perform holes on the ground
limitations
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noise
simulations by using the specific SoundPlan software
reduction of booster compressors noise emission from 125 dB up to 110 dB
mitigation with 700 linear meters of environmentalfriendly noise barriers with height 4 meters tailored for the Project, designed, certified and built by Techfem
innovative temporary flat supports, avoiding footprint waste
solutions
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air pollutionprevention
use of new generation engines Stage IV and Stage V to mitigate pollution (diesel consumption of approx. 80.000 litres per day during dewatering)
exhausts vent stack at 4 meters above soil
detailed simulations with CALPUFF View software
dust suppression in dry and windy days
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compresseddry air
temperaturelimitations
maximum allowablecompressed dry air temperature into the pipeline: 50°C
operations in Southern Italy in hot months (ambient air temperature up to 35°C)
noise barriers walls 4 meters height
Air at high pressure -> high temperature
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compresseddry air
temperaturesolutions
simulations by using the OpenFoam software
conveying of diesel enginecooling air maximumallowable compressed dry air upward above noise barriers
extra air coolers installed atbooster compressorsdischarge line
continuous monitoring and recording of air temperature temperature injected into the pipeline
air temperature injectedresulted always below 45°C
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soil pollutionprevention
4.700 m² of impermeabilised areas
11 lifting pumps and 500mof network to collect rainwater
200m³ of available volume to collect rainwater during rainfalls
system desgned on last 40-years rainfalls capable to manage approx 3.000 m³ of potantially polluted rainwater estimeed to be colleted and disposed according to Italian law
20 spill kits
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hydrotestingwater quality
monitoring
Injection point (Italian side)• UV treated seawater• filtration @ 50 micron• hourly monitoring of
injected seawater• field water analysis
laboratory
Discharge point (Albanian side)• preliminary settling• filtration @ 50 micron
before discharge in seabody• hourly monitoring of
discharged seawater• dirty and coloured water
between pigs collected in ponds for long sedimentation processbefore filtration and discharge into seabody
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thanks for your attentionQ&A and closure
Techfem
Techfem SpA
www.techfem.it
IPLOCA webinar, 11th February 2021