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Uma Oya Underground Excavation

Underground Excavation Uma Oya Sri Lanka

The Uma Oya Multipurpose development project is a water transfer, hydropower and irrigation project in the south-Eastern part of the central highland region of srilanka. The main part of the scheme is situated in the south-western part of the Badulla district in the province of Oya. The project will transfer annual long-term average water quantity of 145 mcm for irrigation purpose and will develop a head of a more than 700 m for the production of electricity in a power plant with rated capacity of about 120 mv. The Project Consists Of Two Rcc Dams. The Frist One is To Be Built on Uma Oya River at Puhulpola Region. The Water from Uma OyaRiverbe linked through an approximately 3.7 km long link tunnel (further called conveyance tunnel) into the reservoir of the dyraaba dam built on mahatotillaoya river. from where an approximately 15.2km long headrace tunnel and 595m high vertical shaft will convey water to the underground powerhouse. The discharge from the powerhouse will be directed into alikotaoya River Through an approximately 3.6 km long tailrace tunnel, Which Is a tributary of kirindiOya River.


Status of Project: Completed

Project Highlights

Role of Parhoon Tarh: Contractor
Client: Farab Company
Consultant Engineer: Mahab Ghodds Consultant
Location: Sri Lanka
Project Cost: 6.3 million USD
Project Duration: 215 Days

 

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Project Volumes

Concrete Volume: 2,000 m3
Reinforcement & Steel Works: 40 tons
Formwork: 500 m2
Excavation: 24,500 m3

Project Specification

Length of Tunnel: 750 m
VCA Tunnel Diameter: 2.55 m
LHT Tunnel Diameter: 2.15 m
LC Tunnel Diameter: 2.15 m

Project Goals

  • Construction of some spaces for installations and fittings in order to transfer water from Headrace Tunnel to Powerplant

Project Stakeholders

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Uma Oya Headrace Tunnel

Hydropower Plant Tunnel Uma Oya Sri Lanka

The Uma Oya Multipurpose development project is a water transfer, hydropower and irrigation project in the south-Eastern part of the central highland region of srilanka. The main part of the scheme is situated in the south-western part of the Badulla district in the province of Oya. The project will transfer annual long-term average water quantity of 145 mcm for irrigation purpose and will develop a head of a more than 700 m for the production of electricity in a power plant with rated capacity of about 120 mv. The Project Consists Of Two Rcc Dams. The Frist One is To Be Built on Uma Oya River at Puhulpola Region. The Water from Uma OyaRiverbe linked through an approximately 3.7 km long link tunnel (further called conveyance tunnel) into the reservoir of the dyraaba dam built on mahatotillaoya river. from where an approximately 15.2km long headrace tunnel and 595m high vertical shaft will convey water to the underground powerhouse. The discharge from the powerhouse will be directed into alikotaoya River Through an approximately 3.6 km long tailrace tunnel, Which Is a tributary of kirindiOya River.


Status of Project: complete

Project Highlights

Role of Parhoon Tarh: Contractor
Client: Farab Company
Consultant Engineer: Amberg Engineers
Location: Sri Lanka
Project Cost: 35.5 million USD
Project Duration: 25 Months

 

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Project Volumes

Concrete Volume: 1,000 m3
Excavation: 222,000 m3

Project Specification

Length of Tunnel: 15 km
Tunnel outer Diameter: 4.3 m
Tunnel inner Diameter: 3.8 m

Project Goals

  • Construction of Headrace Tunnel -15 Km Length- of the Uma Oya Multipurpose Development Project in Sri Lanka by mechanized method

Project Stakeholders

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Access Road to Seymareh

Access Road to Seymareh

The scope of works for this contract includes all civil and related tasks in order to construct the access road of the Seymareh hydro power plant.


Status of Project: Completed

Project Highlights

Role of Parhoon Tarh: EPC Contractor as member of Tablieh-Parhoon Tarh J.V.
Client: Iran Power and Water Development Company
Consultant Engineer: Mahab Ghods Consulting Engineers
Location: Iran-Ilam Province
Project Cost: 15 million USD
Project Duration: 20 months

 

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Project Volumes

Embankment: 300,000 m3
Excavation: 1,200,000 m3 (In Rock)
Masonry: 30,000 m3

Project Specification

Length of Road: 10.7 km
Width of Road: 15 m
Bridges & Walls: 30 Nos.

Project Goals

  • Providing the possibility of accessing to the main site of the Seymareh Hydropower plant

Project Stakeholders

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Isfahan 230 KV Cable Tunnel

Isfahan 230 KV Cable Tunnel

Description of ProjectThe contract of this project consists of designing and construction of 230 KV cable tunnel located between Isfahan university and Taleghani post with total length of 4,600 m. Designing and construction of this project includes tunnel construction with ventilation shaft of inauguration time, procurement, delivery, erection and operation of the electrical and mechanical equipment’s of inauguration time that will be done by contractor. It was concluded to implement a TBM due to high speed and great performance of this machine, critical location of the project in addition to traffic congestion problems. Parhoon Tarh Co. is responsible for all related works in a framework of an EPC contract, which was awarded to Tablieh-Parhoon Tarh J.V.


Status of Project: Completed

Project Highlights

Role of Parhoon Tarh: EPC Contractor as member of Tablieh-Parhoon Tarh J.V.
Client: Isfahan Regional Power Company
Consultant Engineer: Farbar Consulting Engineers
Location: Iran-Isfahan Province
Project Cost: 27 Million Euro
Project Duration: 30 months

 

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Project Volumes

Concrete Volume: 11,000 m3
Reinforcement & Steel Works: 1,200 tons
Formwork: 43,000 m2
Excavation: 40,000 m3

Project Specification

Length of Tunnel: 4.6 km
Tunnel outer Diameter: 3.00 m
Tunnel inner Diameter: 2.44 m

Project Goals

  • Power transmission network of Isfahan
  • Carrying 230 KV cables from the first Islam Abad power plant

Project Stakeholders

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South Pars 13th Phase Laydown Roofed Warehouse & Landscaping

South Pars 13th Phase Laydown Roofed Warehouse & Landscaping

Construction of these warehouses was started with the objectives of storing equipment’s and materials close to the execution sites. Parhoon Tarh Co. was responsible for construction of all civil, architectural, electrical and mechanical works except steel structures.


Status of Project: Completed

Project Highlights

Role of Parhoon Tarh: Main Contractor
Client: P.P.I (Petro Paidar Iranian) Co.
Consultant Engineer: P.P.I (Petro Paidar Iranian) Co.
Location: Iran-Bushehr Province
Project Cost: 5 million USD
Project Duration: 8 months

 

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Project Volumes

Concrete Volume: 5,500 m3
Sandwich Panel: 25,000 m2

Project Specification

Number of Warehouses: 12,000 m2
Total Area: 18,000 m2
Height: 9 m

Project Goals

  • Provision of required warehouses for equipment’s and materials used in 13th phase of South Pars

Project Stakeholders

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Malard Residential Complex

Malard Residential Complex

Malard residential complex project is located in a land with area of 76,000 m2 on the opposite side of Malard municipality. First phase of this complex is designed in 6 diverse blocks. This company as an EPC contractor has utilized tunnel form working system for its high speed performance in order to industrialize the concrete frame of residential buildings. In this method, the load bearing shear walls of each story are poured simultaneously with the roof of the floor. High speed and easy performance are the major benefits of this method in comparison with classic ones. Parhoon Tarh Co. is responsible for architectural and structural design as well as execution of all civil, mechanical, and electrical works.


Status of Project: Completed

Project Highlights

Role of Parhoon Tarh: EPC Contractor
Client: Omran & Maskan Sazeh Paydar (Mehr Derakhshan) Co.
Consultant Engineer: Ateck & Tavan J.V.
Location: Iran-Alborz Province
Project Cost: 65 million USD
Project Duration: 22 months

 

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Project Volumes

Concrete Volume: 80,000 m3
Reinforcement: 7,000 tons
Formwork: 492,000 m2

Project Specification

Total Area of Buildings: 140,000 m2
Capacity: 1272 units
Number of Blocks: 25
Number of Floors: 5 to 11

Project Goals

  • Provision of living accommodation

Project Stakeholders

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Twin Towers Telecommunication of Company of Iran

Twin Towers Telecommunication of Company of Iran

TCI company’s headquarters and subsidiaries is located in the North West Region of Tehran on the south side of Hemmat highway near by Sheikh Bahai Avenue . The project includes two 34 story towers and a multistory parking ,twin towers are exactly the same in structures and each one has 4 stories undergroud and 30 stories above. Among all experienced an reputable contractors Parhoon Tarh approved in the tender in June 2012 and was introduced as main contractor.


Status of Project: In Progress

Project Highlights

Role of Parhoon Tarh: Main Contractor
Client: Iran Telecommunication Company
Consultant Engineer: Consulting engineers of planning and design
Location: Iran-Tehran Province
Project Cost: 2,800 Billion IRR
Project Duration: 36 months

 

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Project Volumes

Stabilization: 13,000 m2
Piling: 19,000 meter
Concrete Works: 90,000 m2
Framework: 190 tons
Reinforcement: 75,000 tons
Anti-Fire Painting: 17,000 m2

Project Specification

Height of each Tower: 158 m from ground
No. of Floors for each Tower: 34
Type of Roofing: Metal Deck
Type of Structure: Steel Structure
Area of each Tower: 52,000 m2
Total Area: 196,000 m2

Project Goals

  • Providing office spaces, classes, document archives, stores, conference rooms, restaurants and other requirements of Telecommunication Company of Iran

Project Stakeholders

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Shiraz Forsat Railway Station

Shiraz Forsat Railway Station


Status of Project: In Progress

Project Highlights

Role of Parhoon Tarh: Main Contractor
Client: Shiraz Urban Railway Organization
Consultant Engineer: Monenco Consulting Engineers
Location: Iran-Fars Province
Project Cost: 11 million USD
Project Duration: 16 months

 

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Project Volumes

Concrete Volume: 19,000 m3
Formwork: 18,000 m2
Reinforcement: 2,900 tons
Steel Works: 760 tons
Piling: 1,220 m

Project Specification

Total Area: 7,000 m2
Method Statement: Bottom to Top

Project Goals

  • Development of urban railway plans in Shiraz city regarding the fundamental demands of public transformation

Project Stakeholders