Water & Waste Water – MAK-Mohammed Abdulmohsin Al-Kharafi & Sons https://malkharafi.com Building the elements of life. Mon, 01 Apr 2019 07:09:19 +0000 en hourly 1 https://wordpress.org/?v=6.4.3 https://2xmaa8.p3cdn1.secureserver.net/wp-content/uploads/2020/10/cropped-Favicom-32x32.jpg Water & Waste Water – MAK-Mohammed Abdulmohsin Al-Kharafi & Sons https://malkharafi.com 32 32 Road Works and Storm Water Drainage Network – Sabah Al Ahmad, Al Khiran, Kuwait https://malkharafi.com/myproject/road-works-storm-water-drainage-network-sabah-al-ahmad-al-khiran/ Mon, 08 Oct 2018 11:33:26 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=541 Earth Works;

Earthworks, including excavation and embankment, contains: Road (6) (ST: 1+000 TO ST: 11+700); Cumulative Fill = 986,839.16 m3; Cumulative Cut = 49,579.61 m3; Road (5) (ST: 1+000 TO ST: 19+780); Cumulative Fill = 1,118,908.30 m3; Cumulative Cut = 440,727.82 m3; Road (4) (ST: 1+250 TO ST: 23+350); Cumulative Fill = 1,823,727.22 m3; Cumulative Cut = 219,506.69 m3

Road Works;

Construction and maintenance of temporary traffic detours necessary for the construction of other works. Demolition of existing pavement. Construction of temporary fence. Roadway work of (51,408 m) including sub-base and base courses, asphalt works, metal works and any other requirements to complete work. Construction of dual (3-lanes and 4-lanes) expressways including parallel collector distributor roads 2 lanes.

Utilities Works;

Construction of culvert for KOC pipelines protection. Construction of a storm water drainage network, including pump stations, culverts, pipes, manholes and gullies. Protection, relocation and construction of water pipelines, sanitary sewers. Protection, relocation and construction of irrigation work including pipes, valves, fittings.

Electrical Works & Instrumentation;

Protection, relocation and construction of electricity network 11kv. Construction of the necessary civil works for the relocation/protection of 33kv electric cables, and coordination with responsible authorities for the required relocation. Electrical work including cables, road crossing ducts, UPVC LT ducts, earth bonding & grounding. Construction of the necessary civil works for the relocation/protection of telephone cables, interfering with the works, and coordination with responsible authorities for the required relocation. Telephone work including UPVC ducts/pipes, manholes, optical fiber cable and sub duct (3×32+2×25) mm. Street Lighting work including cable trays, lighting columns, overhead guide signs, control cabinets. Traffic control system including ATC ducts, Fiber optic cable, CCTV camera, Speed camera system, VMS system, accident detection system.

Finishing & Landscape;

Removal and planting of palms, and removal and disposal for trees and shrubs interfering with the works. Road works, including pavement, sidewalks, signing and marking and concrete barriers

Bridge works;

139 m bridge for Interchange (IC 8). 50 meter bridge for Interchange (IC 7). Concrete works for bridges including blinding, combined footing, piers, retaining wall, abutments, precast parapet. Installation of pot bearing for abutment and piers, pre-stressed strands and pre-stressed concrete deck slab.

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Construction of Sewerage Network, Design and Construction of Wastewater Treatment Plant, Marjayoun – El Khiyam Region Part l and ll, Lebanon https://malkharafi.com/myproject/construction-of-sewerage-network-and-design-construction-of-wastewater-treatment-plant/ Thu, 04 Oct 2018 09:35:10 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=633 Construction of wastewater collection and conveyance systems, the design and construction of wastewater treatment plant in El Khiyam plain including operation, maintenance and staff training of the same in the areas of Dibbine, Blat, Ebel, Es Saqi, Marjayoun, El Khiyam, part of Qlaiaa and Borj Mlouk in South of Lebanon.

The scope works  includes;

Part A – Wastewater Collection and conveyance systems
Part B – Wastewater treatment plant
Part C – Operation, maintenance [of constructed works] and staff training for [6 months]

Wastewater Collection and conveyance systems:

Supply, installation and testing of about 151.9 km of wastewater gravity pipes, ranging in diameter from 200 mm to 800 mm as follows – 200 mm dia pipes : 118.95 km; 250 mm dia pipes : 16.20 km; 300 mm dia pipes : 4.0 km; 400 mm dia pipes : 4.35 km; 500 mm dia pipes : 4.50 km; 600 mm dia pipes : 400 metre; 700 mm dia pipes : 1.57 km; 800 mm dia pipes : 1.93 km; Construct, equip and test of about 4367 reinforced concrete manholes various types and dimensions; Supply, laying and test of about 9.7 km wastewater pressure pipes ranging in diameter from 200 mm to 500 mm, ductile iron pipe; Supply and laying and test of about 3000 lateral house connection and UPVC pipes 200 mm.

Construct, equip, test and commission of four wastewater pumping stations, namely: PS1 – Pumping Station in El Kherbe; PS2 – Pumping Station in Ebel Saqi; PS3 – Pumping Station in Blat; PS5 – Pumping Station in Mazraat Sarada.

Design and construction of El Khiyam Wastewater Treatment Plant (population served is about 58,000 cap and flow is equal to 16,000 m3/day).

Wastewater Treatment :

Fine Screens; Sand/Grit/Grease/Oil removal tanks; Primary clarifiers; Anaerobic biological treatment tanks; Primary clarifiers; Anaerobic biological treatment tanks; Anoxic biological treatment tanks, Trickling Filter towers for aerobic treatment; Secondary clarifiers; Filtration Unit; Chlorination / De-chlorination tank; Treated effluent storage tank; Bypass / Lifting station to Litani River.

Sludge Treatment:

Grit / Sand classification; Primary sludge pumping station; Gravity Thickening tank for the primary sludge; Thickened primary sludge pumping station; Excess secondary sludge buffer tank and pumping station; Mechanical Thickening unit (gravity belt thickeners) for secondary sludge and transfer pumps; Aerobic sludge digesters for primary and secondary sludge mix; Digested sludge de-watering unit (belt filter presses)

Odors Treatments:

Odor Control Unit to service the preliminary treatment building and e the sludge de-watering building

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Same – Mwanga – Korogwe Water Supply Project Phase I Lot 1 Construction Package I, Kilimanjaro and Tanga, Tanzania https://malkharafi.com/myproject/same-mwanga-korogwe-water-supply-project-phase-i-lot-1-construction-package-i/ Thu, 04 Oct 2018 09:15:53 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=644 The work comprises construction of raw water intake, construction of raw water pumping station, construction of transmission main from raw water PS (pumping station) up to water transmission plant, construction of three trains of the water treatment plant, construction of treated water pumping station (PS 1) located inside the treatment plant and installation of the phase 1 pumping units, power supply, construction of transmission line from PS 1 up to Kisangara storage tanks and construction of one of the Kisangara storage tanks.

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Water Main Line from Terminal Group North (TGN) to Wadi Hanifa, Riyadh, Saudi Arabia https://malkharafi.com/myproject/water-main-line-from-terminal-group-north-tgn-to-wadi-hanifa/ Thu, 04 Oct 2018 08:02:22 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=671 Construction of the main water pipeline (Force main) of pre-stressed concrete cylinder pipes (PCCP) having pressure 16 bar, starts from TGN with 2000 mm dia. for a length of 7000 meters followed by 1500mm dia., for a length of 15750 meters up to Wadi Hanifa.

The proposed route of pipeline crosses main streets at three locations (total 380 meters) where is it is specified to use thrust boring technique. The pipeline is to be protected from corrosion using cathodic protection system. Other related works Includes: 69 Nos., V. Chambers on the line with (total 99) various Butterfly Valves, Gate Valves, Washout Valves & Air Release Valve; Reinstatement of asphalt pavement, concrete pavements; Relocation of telephone & electrical cables; and erection of Sign Posts on the line.

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Al-Khiran New Town Infrastructure Works for Blocks No. 2, 3 and 7, Neighborhood – 1, Contract no. 1/2002, Kuwait https://malkharafi.com/myproject/al-khiran-new-town-infrastructure-works-for-blocks-no-2-3-and-7-neighborhood-1/ Thu, 04 Oct 2018 07:48:51 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=676 Construction, completion and maintenance of bulk earthworks, main roads, parallel utilities, landscaping, design and construction of a packaged 3,300 m3/per day sewerage treatment plant, design and construct a 132 KV transformer substation complete with underground cables and overhead lines, 2 R.C. post-tension elevated water tanks 35 meters high conical shape of 2,750 m3 capacity of each, an R.C. underground irrigation water tank (18x15x3 m) and pump station at Al-Khiran, 80 km south of Kuwait City.

Major Quantities:

Bulk Earth Work: (a) Excavation : 950,000 m³ (b) Backfill: 600,000 m³

Road Works: (a) Sub-grade & Sub-base:313,600 m³ (b) Asphalt Works: 165,000 tons (c) P.C. curbs: 35,000 m (d) Interlocking Tiles: 45,000 ms (e) Chain Link Fence: 22,000 m.

Sanitary Sewers: (a) Open Cut: 2,500 m (200-300 mm Poly Crete Pipes); (b) Micro-tunneling for Pipelines: 2,800 m (400 mm dia Poly Crete Pipes); (c) Poly Crete Manholes

Storm Water: (a) S.W Lines: 9,500 m (300-1600 Concrete Pipes); (b) R.C Box Culverts: 6,500 m (1.5  x 1.5), (2 x 1.5), (2 x 2 x 1.5), (2.5 x 1.5); (c) manholes & gullies.

Fresh water supply & distribution works: (a) (80-1200 mm) D.I Pipelines : 47,800 m; (b) 2 V.F.D Pumps at Az-Zour water distribution complex; (c) Surge protection system at Az- Zour W.D Complex.

Construction of 2 R.C post-tension elevated water towers 35 meters high 2,750 m³ capacity each.The design and construction of 3,300 m³/per day capacity packaged sewage treatment plant. The treated water will be used for irrigation. Overhead lines and under ground cables for 132/33 KV. SCADA system and telemetry system. Street lighting works.

Major Quantities:

Excavation: 950,000 m3; Fill: 600,000 m3, Roads 313,600 m2, Asphalt: 168,350 tons; Sanitary Sewers: 90-300 mm uPVC pipes 5 km, Storm water lines: 300-1600 mm concrete pipes 9.2 km; Fresh Water 80-1200 mm D.I. pipes 30 km + 800 mm D.I. pipes 8.4 km; Treated Effluent 80-300 mm. D.I. pipes 5.8 km and micro tunneling 200 mm. D.I. pipes 2.6 km.

The landscaping scope of works is as following:- The contract is for the construction, completion and maintenance of bulk earth work, main roads, parallel utilities (storm water, sanitary sewer, water supply mains …etc.), landscaping, design and construction of a package 3,300 m³/per day sewerage treatment plant, construction of 132 KV sub-station complete with underground cables and overhead lines, two reinforced concrete post-tension elevated water tanks 35 m high conical shape of 2,750 m³ capacity each, the construction of 5 no. underground irrigation water tanks and pump room at Al-Khiran New Town.

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Kuwait Sewerage Renovation, Phase IV, Part – B, Contract no. SE/48, Salmiya, Kuwait https://malkharafi.com/myproject/kuwait-sewerage-renovation-phase-iv-part-b/ Wed, 03 Oct 2018 12:01:45 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=772 Renovation by installation, construction, testing, commissioning and maintenance of sanitary sewerage network, fresh water & brackish water network, telephone works and all other ancillary works. Sanitary sewer network consists of replacing 150 km of 200 mm to 1200 mm diameter sewerage pipeline, installing and replacing approx. 4500 sewer manholes, reconnecting approx. 3,000 house connections to the main line.

Water supply works consisting of replacing existing asbestos cement pipe (fresh & brackish water) by laying a ductile iron pipe network in the same sidewalk within the water reserve – Total 193 km of 80 – 400 mm diameter ductile iron pipes.

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Maintenance of Water Network in South East of Kuwait https://malkharafi.com/myproject/maintenance-of-water-network-in-south-east-of-kuwait/ Wed, 03 Oct 2018 12:00:05 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=774 Emergency maintenance works of water network in South East areas in Kuwait.

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Jubail Product Water Treatment Expansion Project, Saudi Arabia https://malkharafi.com/myproject/jubail-product-water-treatment-expansion-project/ Wed, 03 Oct 2018 11:46:43 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=766 Expansion of existing Water Treatment Jubail Desalination & Power Plant Phase 2 facilities is to connect with the existing 84″ GRP pipeline with a new 60″, GRP pipeline main supply of about 50 m to limestone filtration plant. Part of the distillation of about 14,000 m3/per hr from the desalination units will be collected in one header and pumped to 3 main lines of limestone filters that consists of 34″ GRP pipeline of about 480 m supply and installation of static mixer, backwash pumps 9 no. backwash tank 3 no., sedimentation tanks 3 no., recovery pumps 6 no., air blowers 6 no., limestone filters 24 no., limestone silos 3 no., limestone hoppers 3 no. and 3 no. limestone filling system.

Installation of CO2 line from CO2 plant to limestone filters. CO2 gas is to be injected into the 3 main pumps each 500 m3/per hr volumetric flow rate capacity with motor rating of 1,250 HP/pump. The scope also includes supply, installation & commissioning of electrical works and construction of a substation building and other related civil works.

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Maintenance of Civil Works at Power Station and Water Distillation Station – Contract # MEW/3830-2008/2009 (Tender # MEW/104/2006/2007), Kuwait https://malkharafi.com/myproject/maintenance-of-civil-works-at-power-station-and-water-distillation-station-contract-mew-3830-2008-2009-tender-mew-104-2006-2007/ Wed, 03 Oct 2018 11:44:53 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=582 Civil maintenance and miscellaneous works at the power and water stations at Shuwaikh, Shuaiba (South), Doha (East), Doha (West), Az-Zour and Sabiya.

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Rehabilitation of Existing Buildings, Electrical Power Supply, Operation & Maintenance of Taybeh Water Treatment Project (Part 2), Lebanon https://malkharafi.com/myproject/rehabilitation-of-existing-buildings-electrical-power-supply-operation-maintenance-of-taybeh-water-treatment-project-part-2/ Wed, 03 Oct 2018 11:42:21 +0000 https://mak.nji.ylj.mybluehost.me/?post_type=constructify-project&p=590 Rehabilitation & extension of water supply systems, including construction of potable water treatment plant, reservoir, pumping station & lifting pipe line. The work comprising the following: Construction (design, presses, implementation) of rapid sand filter water treatment plant with a capacity of 26,000 m3/per day. Construction of ground reservoir with a capacity of 2,240 m3. Construction of a pumping station equipped with 16 vertical axial boosters pump set each has a capacity of Q=120 m3/Hour. TMH=600 m.

Installation of chlorination unit. A new lifting pipe line with a total length of 36 km of Ductile Iron pipes of 20 inch dia. Construction of 2 km access road including excavation, pavement, asphalting & retaining walls. Rehabilitation of existing transformer & control panel rooms and the design of new arrangement for new electrical transformers equipment and suppliers (Phase 2).

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