Sexton Engineering Services
Water and Wastewater Solutions
Project List Completed by Mark Sexton:
​Mer Island Sewage Treatment Plant
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Upgrade: civil, electrical, mechanical and process infrastructure to 366kL/d capacity ($2.0M)
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Project Management Elements: ​
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Contract administration
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Detailed design
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Construction
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Commissioning
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Training
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Subcontractor management
Erub Island Sewage Treatment Plant
Upgrade: civil, electrical, mechanical and process infrastructure to 330kL/d capacity ($3.3M)
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Project Management Elements:​
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Contract administration
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Detailed design
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Construction
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Commissioning
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Training
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Subcontractor management
Bayview Water Pump Station Upgrade
Upgrade: pumps, pipework, electrical switchboard and building works ($0.3M)
Project Management Elements:
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Contractor management
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Overseeing of installation works
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Commissioning
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Training
Boigu Island Sewage Treatment Plant
​Upgrade: civil, electrical, mechanical and process infrastructure to 450kL/d capacity ($2.2M)
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Project Management Elements:​
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Contract administration
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Detailed design
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Construction
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Commissioning
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Training
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Subcontractor management
Hammond Island Water Pipeline Upgrade
Replacement: civil and process infrastructure ($1.2M)
Project Management Elements:​
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Engagement of engineering design consultant
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Procurement
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Tender administration
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Detailed design
Badu Island Wells Upgrade
Upgrade: civil, electrical and mechanical infrastructure to 3 wells (Badu's Primary Water Source) ($0.5M)
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Project Management Elements: ​​
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Engagement of engineering design consultant
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Procurement
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Contract administration
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Project administration
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Detailed design
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Construction
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Commissioning
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Training
Saibai Island Water Treatment Plant Reservoir Replacement
​Replacement: civil, electrical, mechanical infrastructure for 100kL water reservoir replacement with 150kL water reservoir made from 316SS stainless steel ($0.5M)
Project Management Elements:​​
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Engagement of engineering design consultant
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Tender administration
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Contract administration
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Detailed design
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Construction
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Commissioning
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Training
Ravenshoe Sewage Treatment Plant
Upgrade: civil, electrical, mechanical and process infrastructure to 3.0 ML/d capacity ($8.0M)
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Project Management Elements:​​
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Engagement of engineering consultant (design phase)
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Project administration
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Planning
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Concept design
Tinaroo Sewage Treatment Plant
Upgrade: civil, electrical, mechanical and process infrastructure to 320kL/d capacity ($4.9M)
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Project Management Elements:
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Engagement of engineering consultant (design phase)
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Tender administration
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Contract administration
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Planning
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Design
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Construction
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Commission
East Nogoa Water Treatment Plant
Construction: civil, electrical, mechanical and process infrastructure for a 20ML/d conventional Water Treatment Plant ($32M)
Project Management Elements:​​
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Project administration
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Planning
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Concept design
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Detailed design
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Tender administration
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Contract administration
Bluff Water Reservoir
​Repair & Installation: leaking main reservoir and addition of Chlorine gas dosing system ($0.1M)
Project Management Elements:
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Procurement of contractor
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Contractor management
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Procurement of new Chlorine gas dosing system
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Commissioning of Chlorine gas dosing system
Springsure & Rolleston Chlorine Dosing System Replacement Upgrade: new gas Chlorine dosing systems ($0.2M)
Project Management Elements:​​
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Procurement
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Contractor management
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Overseeing of installation works
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Commissioning
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Training
Blackwater Water Treatment Plant Clarifier Repairs
​Repair: concrete structural repair to leaking reservoir ($0.5M)
Project Management Elements:
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Procurement
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Oversee clarifier tank isolation repair preparation
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Oversee leak sealant repair process
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Recommissioning
Babinda, Mossman & Whyanbeel Water Fluoridation
​Construction: fluoridation dosing facilities at 3 water treatment plants ($3.5M)
Project Management Elements:
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Project administration
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Planning
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Concept design
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Detailed design
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Tender administration
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Contract administration
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Construction
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Commissioning
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Training
Cairns Water Fluoridation
​Installation: fluoridation dosing facility at Tunnel Hill Water Treatment Plant ($1.5M)
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Project Management Elements:
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Project administration
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Planning
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Concept design
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Detailed design
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Tender administration
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Contract administration
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Construction
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Commissioning
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Training ​
Cairns Cleaner Seas Project
​Upgrade: Sewage Treatment Plant at 4 locations, Cairns, Marlin Coast, Edmonton and Southern ($188M)
Project Management Elements:
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Concept design
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Detailed documentation
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Review of tender submissions
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Review of construction phase activities