Group HIS HIS Project report

in Qatar

www.his-lj.si www.his.hr

Construction of a 4 - level intersection in Doha - Qatar

Main contractor: KONSTRUKTOR - ENGINEERING D.D. SPLITMain subcontractor: HIDROSERVICE TRADING & CONTRACTING CO.

Subcontractor for Waterworks and Sewerage: HIS d.o.o. Ljubljana

Industrial Interchange

Projection of a new roundabout

Industrial Interchange -project in AutoCAD

Industrial Interchange

Campus and the concrete plant with precast concrete elements

Industrial Interchange

Construction of a 4 - level intersection in Doha - Qatar

Waterworks and Sewerage Department:

HIS d.o.o. Ljubljana (subcontractor)

Main contractor: KONSTRUKTOR - ENGINEERING D.D. SPLIT

• SWDSWD – Surface Water Drainage 13.953 m13.953 m

• TSETSE – Treated Sewage Effluent 7.488 m7.488 m

• FSRMFSRM – Foul Sewerage Rising Main 1.850 m1.850 m

• FS GRAVFS GRAV – Foul Sewerage Gravity 261 m261 m

• WWWW – Waterworks 8.8.309309 mm

Main subcontractor: HIDROSERVICE TRADING & CONTRACTING CO.

Industrial Interchange -project in AutoCAD

SWD – Surface Water Drainage (odvodnja)

TSE – Treated Sewage Effluent (tehnološka - prečiščena voda)

FSRM – Foul Severage Rising Main (kanalizacija tlačna)

FS GRAV – Foul Severage Gravity (kanalizacija gravitacijska)

WW – Water Works (vodovod)

Industrial Interchange

• SWD – Surface Water Drainage

TOTAL 13.953 m of vitrified clay drainage pipes

6.033 m – ø 150 mm1.834 m – ø 300 mm1.372 m – ø 400 mm1.902 m – ø 500 mm1.508 m – ø 600 mm640 m – ø 800 mm664 m – ø 900 mm

Surface Water Drainage

Casting of concrete bed, vitrified clay pipe laying and built-in vitrified clay pipe with concrete surround

Surface Water Drainage

Initial air test for vitrified clay pipeline

Surface Water Drainage

Formwork for inlet pipes and bench

making on manhole junction

Steel panelling for elevation of the manhole, concrete pouring and protected manhole with bituboard

Surface Water Drainage

Industrial Interchange

• TSE – Treated Sewage Effluent

TOTAL 7.488 m of HDPE pipes

442 m – ø 355 mm7.046 m – ø 450 mm

Heating element butt welding of OD 450 HDPE pipes

HDPE pipe ø 450 mm SDR11 PN16 (pressure rate 16 bar)

Treated Sewage Effluent

Welded HDPE pipeline ready for installation into trench

Finished joint Installed HDPE pipeline

Treated Sewage Effluent

Treated Sewage Effluent

Water inlet valve and a pressure gauge

Sealing of the water inlet valve for the time of pressure test

• FSRM - Foul Severage Rising Main • FS GRAV - Foul Severage Gravity

TOTAL 2.111 m of HDPE pipes

1.850 m – ø 150 mm (FSRM)261 m – ø 200 mm (FS GRAV)

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Pipeline installation and paneling for concrete surround of the pipes

Secured electrical cables with wooden boxin excavated trench

Foul Severage Rising Main

• WW – Water Works

TOTAL 8.309 m of ductile iron pipes

1.800 m – DN 150 mm 1.281 m – DN 200 mm 302 m – DN 300 mm 3.320 m – DN 400 mm 390 m – DN 500 mm 831 m – DN 600 mm 260 m – DN 700 mm 125 m – DN 900 mm

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Secured trench wall with send bed ready for pipe laying

A full bunch of el. cables and water pipes make difficulties in trench excavation

Wrapping machine for rolling up protection on pipes

Water Works

Water Works

Pipe laying DN 900 on Salwa RoadPreparation of bedding for the pipes Sand surround after joint wrapping

Water Works

Pipeline backfilling

DN 600 pipeline preparation for connection on the water supply

network

Concrete surround and concrete slab under carriageway

Water Works

Pipeline ready for connection

on water supply network

Water Works

Preparatory works for concrete pouring of manhole walls with reinforcement

Water Works

All flanged tee DN 900 × 400 mm

Thrust blocks on the end of pipeline

All flanged tee DN 900 × 600 mm

200 mm air release and gate valve

Water Works

Preparatory works for shutdown – change of an existing water supply with new

Water Works

Shutdown in progress (Al Furousiya street)

Construction of a 4 - level intersection in Doha - Qatar

Construction of the Microtunnel

Main contractor: KONSTRUKTOR - ENGINEERING D.D. SPLITMain subcontractor: HIDROSERVICE TRADING & CONTRACTING CO.Subcontractor for waterworks and sewerage: HIS d.o.o. Ljubljana

Industrial Interchange

Pipes for the construction of a microtunnel Shaft entrance

Microtunnel

Trench dug up and ready for connection of a storm water

extraction pipeline in the microtunnel

External - crank drive of the machine for construction of a microtunnel

Microtunnel

Machine for construction of a microtunnel “mole”- body

Machine for construction of a microtunnel

Machine for construction of a microtunnel“mole” - head

MicrotunnelM

icro

tunn

elsh

aft

Construction of a 4 - level intersection in Doha - Qatar

A few pictures from the site

Industrial Interchange

Main contractor: KONSTRUKTOR - ENGINEERING D.D. SPLITMain subcontractor: HIDROSERVICE TRADING & CONTRACTING CO.Subcontractor for waterworks and sewerage: HIS d.o.o. Ljubljana

From Abu Samra towards Doha

Rest day on site

On the site

Underpass

Steel bars for the road fence

On the site

Overpass (flyover) is coming towards final stage Panels for the overpass (flyover)

On the site