Waste Heat Recovery Project (WHRP) will be constructed at the Ruwais Industrial Complex, 240 km west of Abu Dhabi City providing additional power and fresh water to the facility when it comes on stream in 2023. The scope of work includes the installation of heat recovery steam generators (HRSG) as well as a new steam turbine and generator (STG) desalination unit. The Plant will produce 230 megawatts of electric power and produce 2600 cubic meters of fresh water per hour using existing waste heat. Scope of work includes the construction of Civil and Building works of HRSG sets (263 ton/hr /set) (New construction of 1 set and construction after demolition of 3 sets), 2 sets of STG (115MW/Unit), 2 sets of Desalination (MED) 1,300 m3/hr /set), SW/BFW Pump, Substation etc.
Project Location: Ruwais Industrial Area (40 Km from Abu Dhabi)
Year of Execution: 2018 – On going
Client: TAKREER (ADNOC)
PMC: Neste Jacobs
EPC: Samsung Engineering (SECL)
Work Description: General Construction, Pre-cast, Painting and finishing works
Abu Dhabi National Oil Co. (ADNOC) subsidiary ADNOC Refining (formerly Takreer) will undertake a $3.1-billion project to increase crude processing flexibility and improve margins at the 417,000-b/d West plant of its more than 800,000-b/d Ruwais refining complex in the UAE. Crude Flexibility Project will enable the Ruwais Refinery-West plant to process up to 420,000 barrels per day of Upper Zakum crude, or similar oil grades. The Project is awarded to SECL for the Construction of New Process Facilities (6 Units) 1) Atmospheric Residue Desulphuriser (ARD) – 177,000 BPSD 2) Hydrogen Manufacturing Unit (HMU) – 243,000 Nm3/hr 3) Sulphur Recovery Unit & Trail Gas Treating Unit (SRU & TGTU) – 1,100 TPD 4) Sour Water Strippers (SWS) – 3,120 TPD 5) Amine Regeneration Unit (ARU) – 21,600 TPD 6) Saturated Gas Plant (SGP) – 705 TPD Scope of Works includes the civil construction works of the Package # 04 both in green field as well as in brown field area.
Project Location: Ruwais Industrial Area (40 Km from Abu Dhabi)
Year of Execution: 2018 – On going
Client: ADNOC
PMC: Worley Parsons
EPC: Samsung Engineering (SECL)
Work Description: General Construction, Pre-cast, Painting and finishing works
Scope of work comprised of Construction of 2x400/ day flour mills and 40,000 Tons Capacity of Grain storage Silos. Slip-forming of 16 Nos. Grain Silos (4 at one time) was done in 4 phases along with the construction of Receiving hoppers and Slip-forming of the Headhouse building. Construction of Clear Bin Building, Mill building, Flour Bin Building, Flour Bulk load out, Bran Bulk load out and Flour Warehouse is also included in Tahtan’s Scope of Work.
Project Location: Volka Foods, Bahawalpur Road, Multan, Pakistan
Year of Execution: 2018 – On going
Client: Volka Foods
Consultant: Loya Associates
EPC / General Contractor: Tahtan Pvt. Ltd.,
Work Description: General Construction, Slipform, Pre-cast, Painting, PEB, Steel Structure, and Architectural Works
Scope of work comprises of reinstatement works of civil foundations, mechanical foundations, pavements and other miscellaneous repair and rectification works in intrinsic live plant area.
Project Location : Fertil 2, Ruwais, Abu Dhabi, UAE
Year of Execution : 2017 – 2018
Client : Fertil
EPC / General Contractor : Samsung Engineering Ltd.
Work Description : General Civil Construction, Mechanical (Live Plant)
Scope of work comprised of complete civil construction including slipforming of new Cement Plant (Farooqia II) inside Bestway Farooqia Plant at 12 KM Taxila-Haripur Road capable of producing 6,000 TPD cement on sustained basis with compatible Clinker production.
The scope includes the earthworks, construction of foundations, intermediate slabs, silo wall slipforming, internal cone, tunnel and top slabs etc., of Raw Material Blending Silo – 01, Clinker Central Silo – 01, Cement Silo – 04, Raw Material Proportioning Silos, Cement Proportioning Silos.
Project Location : Farooqia Plant at 12 KM Taxila-Haripur Road, KPK, Pakistan
Year of Execution : 2017 – continue
Client : Bestway Cement Limited
EPC / General Contractor : Tahtan (Pvt.) Limited
Work Description : General Construction, Slipform
Milestone : Slip form Construction of 70m Dia.Clinker Silo
Scope of work comprises of piping shop fabrication, field erection, tie-ins, steel structure erection and equipment erection works in Ruwais Refinery East (RRE) and Ruwais Refinery West (RRW) area. All the piping field erection work is being carried out in the intrinsic live plant area.
Project Location : Takreer Refinery, Ruwais, Abu Dhabi, UAE
Year of Execution : 2015 – 2017
Client : Takreer Refinery
EPC / General Contractor : Samsung Engineering Ltd.
Work Description : Piping, Steel Structure, Equipment Erection (Live Plant)
Scope of work comprised of slipform construction of Green Coke / Blending Silos (04 No., H = +43m, Dia. 12.5m and starting from +28m) at TAKREER Refinery, Ruwais including the construction of silo’s roof structure & painting works.
The roof structure of the Blending silos consist of Pre-cast beams (up to 1m depth and 16m span), Pre-cast slabs & concrete flooring. All the pre-cast casting and erection (up to 45m height) were carried out by Tahtan.
Project Location : Takreer Refinery, Ruwais, Abu Dhabi, UAE
Year of Execution : 2014 – 2016
Client : Takreer Refinery
EPC / General Contractor : Samsung Engineering Ltd.
Work Description : General Construction, Slipform, Pre-cast, Painting
Scope of work comprised of slipform construction of Coke Product / Calcination silos (06 No., H = +55m and Dia. 30m) at TAKREER Refinery, Ruwais including the construction of silo’s roof structure, painting / insulation and equipment support works.
The roof structure of Calcination silos consist of steel structure, built-up girders of 2.5m depth, 30m span and erection height up to 60m, roof decking and concrete flooring. All the fabrication, erection & heavy lifting activities were performed by Tahtan.
Project Location : Takreer Refinery, Ruwais, Abu Dhabi, UAE
Year of Execution : 2014 – 2016
Client : Takreer Refinery
EPC / General Contractor : Samsung Engineering Ltd.
Work Description : General Construction, Slipform, Painting, Steel Structure, Profile Decking, Heavy Rigging
Scope of work comprised of piping and support fabrication & erection work in Extrusion buildings (PE-4 & PE-5) and Blender Silos (BS) including small & large bore piping of all mediums (CS, SS and Pneumatic) along with all fittings, valves & flanges etc.
Steel structure erection work includes erection of pipe rack, stair case / access structure, monorails, crane beams, equipment & silo support structures.
Project Location : Ruwais, Abu Dhabi, UAE
Year of Execution : 2013 – 2014
Client : Borouge Polymers
EPC / General Contractor : JV of Samsung & Technimont
Work Description : Piping, Steel Structure
Scope of work comprised of General Civil construction & Steel Structure Erection works of area 0742.
Civil works include the forming, concreting, rebar & coating / water proofing works of foundations & pedestals of structures, pipe racks, vessels, pumps, pre-heater, lube oil, compressors, exchangers, duct banks, drains, sum pits, instrument & cable trenches etc.
Steel structure works include erection activities of primary (main beams, columns & bracing etc.) and secondary elements (railing, platforms, grating, monkey ladder & access structures etc.) of equipment, vessels, pipe racks, compressors & gantry cranes etc.
Project Location : Shah Gas, Abu Dhabi, UAE
Year of Execution : 2012 – 2013
Client : Al Hosn Gas
EPC / General Contractor : Saipem Abu Dhabi
Work Description : General Construction, Steel Structure, Paving , Protective Coating
The project is located in Mirpur, AJK. The bridge was proposed across the reservoir channel of Mangla Dam to be constructed between Rathoa Muhammad Ali and Chak Haryam thus providing a shorter approach road across the Mangla Dam Reservoir.
Tahtan’s scope of work comprised of construction of Bridge RCC Piers (Rectangular shaped base with tapered geometry, height ranging from +12m to +42m) and their respective diaphragm and transom structures.
Project Location : Mirpur, Azad Kashmir, Pakistan
Year of Execution : 2013 – 2016
Client : Govt. of Azad Kashmir
EPC / General Contractor : Xinjiang Beixin Road & Bridge Construction Co., Ltd
Work Description : General Construction, Slipform
Scope of work comprised of General Civil construction & Slipform construction of Chimney (H = +70m) including all associated activities of concrete, rebar, material and personnel hoisting etc.
Project Location : Tariq Float Glass Mill, Sheikhupura, Pakistan
Year of Execution : 2011
Client : Tariq Float Glass Mill
EPC / General Contractor : Tahtan (Pvt.) Limited
Work Description : General Construction, Slipform
Scope of work comprised of General Civil construction & Slipform construction of Chimney walls (H = +40.5m) including corbels.
Project Location : ICI, Sheikhupura, Pakistan
Year of Execution : 2013
Client : ICI Pakistan Limited
EPC / General Contractor : Sinaco Engineers Pvt. Limited
Work Description : Slipform
Scope of work comprised of Slipform construction of outer walls, internal grid walls and lift well of rectangular powder plant building (H = +35m, Plan = 30m x 18m) including all associated concrete and rebar activities.
Project Location : ENGRO Foods, Sahiwal, Pakistan
Year of Execution : 2013
Client : ENGRO Foods Limited
EPC / General Contractor : Sinaco Engineers Pvt. Limited
Work Description : Slipform
Scope of work comprised of complete superstructure construction along with the Service Tower of NP Prilling Tower. Scope also includes protective coatings to be applied on entire concrete surface (approx. 6,800 m2).
Besides the slipforming civil work, construction of scrapper slab and support columns, slabs systems at +56, +63 & +67 m elevations, beams and columns for air inlet windows etc. were also a part of Tahtan’s scope.
All personnel, concrete, rebar, structural steel & material hoisting arrangements were designed & operated by Tahtan.
Project Location : Fatima Fertilizer, Sadiqabad, Pakistan
Year of Execution : 2011
Client : Fatima Group
EPC / General Contractor : Izhar Pvt. Limited
Work Description : General Construction, Slipform, Epoxy Coating / Painting
Scope of work comprised of Slipform construction of Chimney walls (02 No., H = +41m and Dia. = 4.5m) including all associated concrete, rebar and hoisting arrangements.
Project Location : Mehran Sugar Mill, Hyderabad, Pakistan
Year of Execution : 2010 & 2013
Client : Mehran Sugar Mill
EPC / General Contractor : Tahtan (Pvt.) Limited
Work Description : Slipform
Scope of work comprised of complete superstructure construction along with the Service Tower of UREA Prilling Tower, protective coatings on concrete surface (approx. 20,000 m2) and tiling on slabs with protective membrane at different elevations.
Besides the slipforming, civil work construction of scrapper slab and support columns, slabs systems at +109, +114 and +124 m elevations, heavy columns, beams and walls for air outlet windows etc. were also included in Tahtan’s scope. Work also included pre-casting of concrete slab elements and their erection up to +124m height.
Structural steel works comprised of stairs, landings, connecting platforms between the two towers at different elevations, inspection platforms for complete circumference. 04 no’s main trusses of 6 m height & 28 m span. Scope also comprises of erection of piping with their supports for different dia. pipes at different positions.
Planned, designed & prepared heavy lift of 485 tons from G.L to +114m elevation. M/s VSL was selected and taken on board for providing & operating heavy lift equipment consisting of 08 no’s, 70 ton capacity multi strand jacks along with their hydraulic lines & power packs. Jacks were mounted on 04 no’s lifting trusses designed, fabricated and installed on +124m elev. by Tahtan.
Project Location : ENGRO Fertilizer, Deharki, Pakistan
Year of Execution : 2009 – 2010
Client : ENGRO Fertilizers Limited
EPC / General Contractor : Descon Engineering Limited
Work Description : General Construction, Slipform, Steel Structure, Piping
Scope of work comprised of complete superstructure construction of 02 no's Cement Silos (H = +78m and Dia. = 22m) along with a Clinker Silo (H = +40m and Dia. = 44m).
Project Location : Jang Bahtar, Taxilla, Pakistan
Year of Execution : 2008 – 2009
Client : Fauji Cement Company
EPC / General Contractor : Descon Engineering Limited
Work Description : General Construction, Slipform
Scope of work comprised of slipform construction of Tapered Chimneys (02 No., H = +125m) and vertical walls of the Containment Structure (38mx 32m) along with the associated Civil Works.
Project Location : Joharabad, Pakistan
Year of Execution : 1994 & 2008
Client : PAEC
EPC / General Contractor : Paragon Constructors (Pvt.) Limited
Work Description : General Construction, Slipform
Scope of work comprised of Slipform Construction of Homogenizing, Cement and Clinker Silos. Total of 14 (No.) structures were Slipformed.
Project Location : Kohat, Pakistan
Year of Execution : 2006 – 2007
Client : Kohat Cement
EPC / General Contractor : Descon Engineering Limited
Work Description : General Construction, Slipform
Scope of work comprised of slipform construction of 16 (No.) structures (Raw Material Silo - 01, Clinker Central Silo - 01, Waster Clinker Silo - 01, Cooler Chimney - 01, Raw Material Feeding System Silos - 04, Cement Grinding and Proportioning Silos - 03 , Cement Storage Silos - 04 and Bulk Cement Silo – 01).
The scope includes the construction of foundations, slabs, frame of all structures, internal cone (up to 22m height & 23 m diameter), and hopper slabs (up to 1.2m thick) and top slabs etc. It also includes clinker structure comprising of approximately 650m of tunnels, walls / slabs up to 1m, cross-section periphery walls up to 5.5m x 6.8m.
Project Location : Chakwal, Pakistan
Year of Execution : 2006 – 2007
Client : Bestway Cement Limited
EPC / General Contractor : Tahtan (Pvt.) Limited
Work Description : General Construction, Slipform, Steel Structure
Scope of work scope comprised of Slipform Construction of total of 05 (No.) structures including Raw Meal Homogenizing Silos, Clinker Silo and Cement Storage Silos.
This was the first project in Pakistan having Post tensioned silo structures. This project holds the distinction of having The Largest diameter structure, 60 m, ever Slipformed in South Asia and the Tallest C.F silo, 89m in Pakistan.
Project Location : Chakwal, Pakistan
Year of Execution : 2006
Client : D.G. Khan Cement Company Limited
EPC / General Contractor : Interhome Pvt. Limited & Izhar Pvt. Limited
Work Description : Slipform
Scope of work scope comprised of Slipform Construction of total of 03 (No.) structures including C.F Silo – 01, Clinker Silo – 01 and Lift Well / Utility Tower.
Project Location : Chakwal, Pakistan
Year of Execution : 2006
Client : Lafarge Pakistan Cement Limited
EPC / General Contractor : Descon Engineering Limited
Work Description : Slipform
Scope of work comprised of slipform construction of homogenizing, cement and clinker silos along with all the associated civil works.
Project Location : Mianwali, Pakistan
Year of Execution : 2006
Client : Kohinoor Maple Leaf Group
EPC / General Contractor : Descon Engineering Limited
Work Description : General Construction, Slipform
Scope of work comprised of constructing approx. 45,000sft new structures, both in RCC and Brickwork. Almost 20,000sft area was dismantled and renovated. New structures includes 85’ x 50’ Spray Drier RCC Building (H = +85ft), which was slip formed. It also includes Packing and Ware House Building approx. 130’ x 110’, having pre-cast double tee slabs. In addition, approx. 120Tons of steel structure was fabricated and erected.
Some other new structures include Service / Workshop Building, Packing and Ware House, Milk Collection Office, Chiller and Ammonia Room, Spray Drier, Weigh Bridge, Laboratories, Silo Foundations etc.
Project Location : Tandianwala, Okara, Pakistan
Year of Execution : 2004
Client : Niralla Dairies (Pvt.) Limited
EPC / General Contractor : Tahtan (Pvt.) Limited
Work Description : General Construction, Slipform, Steel Structure
Scope of work comprised of the construction of C.F Silo along with all the associated civil activities.
Project Location : Mianwali, Pakistan
Year of Execution : 2003
Client : Kohinoor Maple Leaf Group
EPC / General Contractor : Builders (Pvt.) Limited
Work Description : General Construction, Slipform
Tahtan has constructed commercial and housing structures including head office and ware house for SEFAM (Pvt.) limited, 80 housing units at Punjab Govt. Housing Scheme.
Tahtan has constructed commercial and housing structures including head office and ware house for SEFAM (Pvt.) limited, 80 housing units at Punjab Govt. Housing Scheme.
Scope of work comprised of complete superstructure construction of NP Prilling Tower. It includes all intermediate slabs (05 nos), R.C.C encased steel composite beams (plate girder of 1.2m depth), hopper and rib walls (perpendicular to the main structure starting at +72m elevation).
Utility tower is also constructed along with the main tower. Structural steel works comprising of platforms, stairs, composite beams, support structure etc. weighing approximately 550 tons was also carried out.
Project Location : Mianwali, Pakistan
Year of Execution : 1997 – 1998
Client : Pak American Fertilizers Limited
EPC / General Contractor : Izhar Pvt. Limited
Work Description : General Construction, Slipform, Steel Structure
Scope of work comprised of slipform construction of Overhead Water Towers including main and internal shaft structure and construction of Conical Tank.
Project Location : Service Areas, Lahore Islamabad Motorway M2, Pakistan
Year of Execution : 1998
Client : Daewoo Corp.
EPC / General Contractor : Habib Rafiq (Pvt.) Limited
Work Description : General Construction, Slipform
Scope of work includes slipform construction of homogenizing, cement and clinker silos including all the associated concrete and rebar activities.
This is the second plant in Pakistan having post tensioning in Silos.
Project Location : Mianwali, Pakistan
Year of Execution : 1996 – 1997
Client : Kohinoor Maple Leaf Group
EPC / General Contractor : Builder’s Private Limited Lahore
Work Description : General Construction, Slipform, Steel Structure
Scope of work comprised of slipform construction of all 06 nos Cement Silos (H = +40m and Dia. = 16m) along with Homogenizing Silo (H = +66m and Dia. = 18m)
All the associated activities including concrete and rebar were carried out by Tahtan.
Project Location : Pezu, Lucky Merwat, Pakistan
Year of Execution : 1996
Client : Lucky Cement Company
EPC / General Contractor : Descon Engineering Limited
Work Description : General Construction, Slipform, Steel Structure
Scope of work comprised of construction of Boiler Foundations, I.D / F.D Fan foundations, Fire Water Pump House, Fire Fighting Networks and Cable Tunnels Network etc.
Project Location : Muzaffargarh, Pakistan
Year of Execution : 1994
Client : Wapda
EPC / General Contractor : FWO
Work Description : General Construction, Piping, Steel Structure
