Projects
Our Engineering Portfolio
Njowazi Limited is an ISO 9001: 2008 Certified Company. It is a team of Engineers and Technicians with over 30 years of experience in Construction and Engineering. Over the years, Njowazi experience had touched on many projects in different parts of the world.
We have also worked with ZAISCO Construction and Engineering which is an ISO 9001: 2008 Certified Company, whom we have sub-contracted to work on some projects. A timeline of the projects we have done till the present time is outlined below.
Additional Mechanical Repair Works to Tank 102
Client: Kenya Petroleum Refineries Limited
Contract Value: USD 200,000
Mechanical repair works to a tank 102, which is used for oil storage.
Project: Mechanical Rehabilitation to ago Tank 302
Client: VTTI Kenya Limited
Contract Value: Ksh 12 million
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission.
Project: Mechanical Rehabilitation to ago Tank 302
Client: VTTI Kenya Limited
Contract Value: Ksh 11.4 million
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission.
Tank 117 and 118 Isolation and Cleaning Services
Client: Tullow Kenya B.V Limited
Contract Value: Ksh 10 million
Isolation and cleaning services for tanks 117 and 118 for Tullow Kenya B.V Limited
Mechanical Rehabilitation to ago Tank 103, 105, 106, 104, 102, 101 and 201
Client: VTTI Kenya Limited
Contract Value: USD 700,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission.
Mechanical Rehabilitation to ago Tank 105
Client: VTTI Kenya Limited
Contract Value: Ksh 10 million
Open tank manholes and gas freeing the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank. - Hydro-test the tank and commission
Mechanical Rehabilitation to ago Tank 104
Client: VTTI Kenya Limited
Contract Value: Ksh 7 million
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission.
Mechanical Rehabilitation to ago Tank 115
Client: Kenya Petroleum Refineries Limited
Contract Value: USD 500,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission.
Mechanical Rehabilitation of Tank 210
Client: Kenya Petroleum Refineries Limited
Contract Value: USD 300,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission.
Repair/Replacement of 1000mm Sewer Line
Client: VTTI Kenya Limited Kipevu, Mombasa
Contract Value: Ksh 75,475,376
Repair and installing of new 1000mm sewer pipeline
Sludge Removal/Cleaning of Tanks and Pipeline Installation at KPA Area-K.P.R.L/K.P.C
Client: Kenya Petroleum Refineries Limited/Kenya Pipeline
Contract Value: Ksh 10,150,000
Tank Cleaning/Pipeline Installation
Maintenance of 8" LPG, 8" M Product and 16" FOL at KPA Area-KPRL/KPC
Client: Kenya Petroleum Refineries Limited/Kenya Pipeline
Contract Value: Ksh 5.4 million
Maintenance of 8" LPG, 8" M Product and 16" FOL at KPA Area-KPRL/KPC
Sewer Line Phase 1 Repair VTTI - MSA
Client: VTTI Kenya Limited
Contract Value: Ksh 1,153,040
Sewer Line Phase 1 Repair VTTI - MSA
Tank Repair, Grit Blasting and Painting Tank 301 PS 14
Client: Kenya Pipeline Company Limited
Contract Value: Ksh 108,400,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission.
Cleaning, Blasting and EPOXY Lining of Tank 702, PS 9 Embakasi, Nairobi
Client: Kenya Pipeline Company Limited
Contract Value: Ksh 10,440,000
Tank Cleaning - Grit blasting - Internal & external painting of shell and roof
Replacement of the 24" Crude Oil Line K.P.R.I
Client: Kenya Petroleum Refineries
Contract Value: USD 130,000
Construction of pipe support. - Laying of 24” pipeline and tie in at K.P.R.L. and main terminal in Mombasa
Fabrication of the ROM-PUMP Unit
Client: BASE Titanium Kenya Limited
Contract Value: USD 100,000
Fabrication of the ROM-PUMP Unit
Mechanical Rehabilitation to Tanks 117, 118 and 119
Client: Kenya Petroleum Refineries
Contract Value: USD 70,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission
Mechanical Rehabilitation to PMS Tank
Client: Libya Oil Kenya Limited
Contract Value: USD 200,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro -test the tank and commission
Mechanical Rehabilitation to ago Tank 10
Client: Libya Oil Kenya Limited
Contract Value: USD 200,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission
ROOFING - MOMBASA LOBP, FILLING HALL & ADJOINING STRUCTURES.
Client: LIBYA OIL KENYA LTD
Contract Value: USD 100,000
Supply of Labour, equipment & materials to carry out replacement of Aluminum roofing works on LOBP, Filling Hall.
MECHANICAL REHABILITATION TO 14 TK. 201.
Client: KENYA PIPELINE COMPANY
Contract Value: USD 700,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission
MECHANICAL REHABILITATION TO (HFO) POWER FUEL OIL TANKS
Client: KENYA PETROLEUM REFINERIES
Contract Value: USD 213,000
- Supply of materials & erection of new tanks. - Clean and grit blast tank for mechanical inspection - Grit blast and paint the tank - Hydro-test the tank and commission.
MECHANICAL REHABILITATION TO T.119.
Client: KENYA PETROLEUM REFINERIES
Contract Value: USD 259,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro - test the tank and commission.
MECHANICAL REHABILITATION TO T. 602
Client: KENYA PIPELINE COMPANY.
Contract Value: USD 850,000
gas freeing and cleaning the tank. - Repair tank pad and bottom plates. - Repair to foam dam and install new roof s e a l . - Repair to top roof deck plate. - Replace all roof legs support & replace pontoon manhole cover. - Repair to walkway, platform and wind g i r d e r . - Grit blast and paint the entire tank internally and externally.
SUPPLY & CONSTRUCT LOADING GANTRY WITH ALL ITS ASSOCIATED PIPING PUMPS AND TIE IN TO EXISTING FACILITIES.
Client: OILIBYA KENYA LTD
Contract Value: USD 220,000
SUPPLY & CONSTRUCT LOADING GANTRY WITH ALL ITS ASSOCIATED PIPING PUMPS AND TIE IN TO EXISTING FACILITIES.
MECHANICAL REHABILITATION TO T. 207.
Client: KENYA PETROLEUM REFINERIES
Contract Value: USD 300,000
Open tank manholes and gas free the tank. - Clean and grit blast tank for mechanical inspection - Cut and remove the existing old single deck floating roof. - Renew annular plates with tank pad and tank pad shoulder. - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the tank. - Grit blast and paint the tank - Hydro-test the tank and commission
MECHANICAL REHABILITATION TO T. 209.
Client: KENYA PETROLEUM REFINERIES
Contract Value: USD 900,000
-Gas free, clean and blast the entire tank - Renew tank pad and bottom plates. - Renew entire single deck floating roof. - Cut, remove and replace shell courses 2, 3 and identified plates on shell course 4. - Carry out weld filling on shell courses 4 and 5 . - Renew guide pole and repair wind girder by weld-filling and inserts. - Install new roof drain, roof seals and roof l e g s . - Renew tank pad shoulder. - Paint tank internally and externally. - Hydro-test the tank and commission
: INSTALLATION OF PREFABRICATED MODULE STRUCTURES.
Client: United Nations (UNSOA)
Contract Value: USD 600,000
Setting out. - Assembly of 2x6, 3x4 prefabricated module s t r u c t u r e s . - Installation of ablution units. - Connection to water, sewerage, electricity and data networking. - Installation of pedestrian gates and watch t o w e r s - Erection of shelves. - Installation of generators.
REPLACEMENT OF F.O & IDO - 8” PIPELINE
Client: OILIBYA KENYA LTD.
Contract Value: USD 130,000
Construction of pipe support. - Laying of 8” pipeline and tie in at S.O.T. and m a i n Oilibya terminal in Mombasa.
SEA CABLE LANDING SITE
Client: EARTHTEC U.S.A
Contract Value: USD 1.2 million
- foundation excavation. - Cast concrete columns and slab - Install 8 container modules. - Run 200 meters of ducting & inter-ducting including sea cabling.
MECHANICAL REHABILITATION TO T. 502
Client: KENYA PIPELINE COMPANY
Contract Value: USD 1.2 million
gas freeing and cleaning the tank. - Repair tank pad and bottom plates. - Repair to foam dam and install new roof s e a l . - Repair to top roof deck plate. - Replace all roof legs support & replace pontoon manhole cover. - Repair to walkway, platform and wind g i r d e r . - Grit blast and paint the entire tank internally and externally.
MECHANICAL REHABILITATION TO T. 2701
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 75,000
- gas free and cleaning tank. - Repair to 1st 2nd shell course. - Repair to roof plate. - Paint tank internally and externally.
MOMBASA/NAIROBI PIPELINE RECOATING & SLEEVING PHASE III
Client: KENYA PIPELINE COMPANY
Contract Value: USD 1.6 million
- gas free and cleaning tank. - Repair to 1st 2nd shell course. - Repair to roof plate. - Paint tank internally and externally.
MOMBASA/NAIROBI PIPELINE RECOATING & SLEEVING PHASE I.
Client: KENYA PIPELINE COMPANY
Contract Value: USD 1.3 million
the work involved, repairing the old pipeline (wrapping and sleeving) where necessary. The work was from km (0) to km (88).
CONSTRUCTION OF 16” UNDERGROUND & ABOVE GROUND FUEL OIL LINE 2.5 KM. LONG.
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 550,000
take delivery of client supplied pipe. - Excavate, weld and lay underground p i pe . - Fabricate, install concrete foundation for above ground pipe. - Blast & paint above ground pipes. - Fabricate & install pipe and slippers. - Tie - in pipeline to existing facilities.
MECHANICAL REHABILITATION TO T.113.
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 250,000
- gas free, clean and blast the entire tank bottom. - Repair bottom plates. - Repair entire roof plates - Renew tank pad shoulder. - Paint tank internally and externally.
MECHANICAL REHABILITATION TO T.112.
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 350,000
gas free, clean and blast the entire tank bottom. - Renew tank pad and bottom plates. - Renew entire single deck floating roof. - Renew guide pole and install inserts. - Renew tank pad shoulder. - Paint tank internally and externally.
MECHANICAL REHABILITATION TO T.113.
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 450,000
Gas free, clean and blast the entire tank b o t t o m . - Renew tank pad and bottom plates. - Renew entire single deck floating roof. - Renew guide pole and install inserts. - Renew tank pad shoulder. - Paint tank internally and externally.
MECHANICAL REHABILITATION TO T.111
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 310,000
Gas free, clean and blast the tank bottom. - Renew tank pad and bottom plates. - Renew entire single deck floating roof. - Renew guide pole and install inserts. - Renew tank pad shoulder. - Paint tank internally and externally.
REPLACEMENT OF 16” DIA. PIPE BESIDE KIPEVU BRIDGE
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 40,000
- gas free, clean and blast the entire tank bottom. - Repair bottom plates. - Repair entire roof plates - Renew tank pad shoulder. - Paint tank internally and externally.
MECHANICAL REHABILITATION TO T.113.
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 30,000
Erection of hanging scaffolds. - Removal of existing 16” dia. Pipe. - Installation of new 12” dia. Pipe. - Modification of existing bracket s u p p o r t s . - Paint new 12” dia. Pipeline.
FUEL OIL LOADING FACILITY.
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 90,000
salvage 16” dia. Pipe approx. 400 lm. - Install 16” dia. And 8” dia. Pipelines. - Install concrete pipe supports and s l e e p e r s . - Gas free and clean six number tanks - Paint pipeline.
MECHANICAL REHABILITATION TO T.208.
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 270,000
gas free, clean and blast tank entire bottom. - Replace tank bottom annular plates. - Replace roof plates. - Replace heating coil system. - Paint tank internally & externally.
MECHANICAL REHABILITATION TO T. 110.
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 200,000
gas free, clean and blast the entire tank bottom. - Supply materials jack up tank, remove annular plates, repair foundation and install new annular plates. - Supply materials, cut and replace courses no. 4, 6 and 7th - Paint tank internally & externally.
MECHANICAL REHABILITATION TO T. 306
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 300,000
gas free, clean and blast tank bottom. - Supply materials and replace heating c o i l . - Supply materials and replace corroded roof truss members - Paint tank internally and externally.
KOT/ KOSF EMERGENCY REPLACEMENT OF PRODUCT PIPELINES.
Client: KENYA PIPELINE CORPORATION
Contract Value: USD 800,000
- Installation of the 16” dia. Ago, 12” dia. MSP and 12” dia. KERO Pipelines from KOT to KOSF ps.14 approx. 1.0 km each - Procurement of pipes and fittings. - Excavation and casting of pipe supports. - Fabricate, weld and install new lines on concrete support. - Tie - in new lines to existing facilities. - Grit blast and paint externally all the pipes & f i t t i n g s . - Commissioning of new lines.
MECHANICAL REHABILITATION TO T. 606
Client: KENYA PETROLEUM REFINERIES LIMITED
Contract Value: USD 200,000
gas free, clean and blast tank - Replace bottom and annular plates - Replace bitumen/ sand mix tank pad. - Replace 5th and 6th shell courses. - Renew condemned roof trusses. - Replace existing sand bitumen mix tank pad shoulder with concrete.
MECHANICAL REHABILITATION TO T. 103.
Client: KENYA PETROLEUM REFINERIES
Contract Value: USD 450,000
Open tank manholes and gas free the t a n k . - Clean and grit blast tank for mechanical i n s p e c t i o n - Cut and dismantle the existing old single deck floating roof. - Replace the tank annular plates with new, including the tank pad shoulder. - Procure the necessary materials to build a double deck floating roof for a 44 meters DIA & 14.63 meters. High t a n k . - Fabricate and install new double deck floating roof including refurbishing of corroded parts of the t a n k . - Grit blast and paint the tank. - Testing the Tank (Vacuum box & Hydrostatically tests) - Tank commission.