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I need an experienced crew to design and construct a concrete sleeper retaining wall that will act as a boundary on sloped ground. The wall steps from roughly 400 mm up to 2 .8 m in height and will run for well over 20 m, so careful layout and tiered footing work are vital. The job covers: • Checking levels, setting out the line, and confirming pier depths suitable for the varying heights on the slope. • Supplying and installing galvanised steel H-sections, concrete sleepers, drainage cell or 20 mm gravel back-fill, and ag-pipe connected to a suitable outlet. • Ensuring all work meets local engineering standards for a boundary structure; if you already have certification capability or can liaise with an engineer, let me know. I will clear basic access, but you will need to provide the excavator, concrete, and lifting gear for the heavier sleepers. Allow for removal of spoil and a clean finish ready for fencing on the high side. Please outline your proposed schedule, sleeper specifications, and any previous projects on sloping sites so I can see your approach before we lock in dates.
Project ID: 40400550
3 proposals
Active 7 days ago
Location: McDowall, Australia
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3 freelancers are bidding on average $600 AUD for this job

Hi, I have solid experience in designing and delivering stepped concrete sleeper retaining walls on sloped terrain, including full coordination from set-out through construction and final finish. Your project (400 mm up to 2.8 m height over 20+ m length) requires careful structural planning, drainage control, and staged installation—this is exactly the type of work I handle. My approach: Site set-out & levels: Establish accurate benchmarks, wall alignment, and step transitions based on slope conditions Engineering coordination: Determine pier depths, spacing, and footing requirements to meet local standards (or liaise/provide certification if needed) Structure installation: Galvanized steel H-posts set in concrete with correct embedment depth for varying wall heights Sleeper system: High-strength precast concrete sleepers installed with proper stacking, alignment, and load distribution Drainage solution: 20 mm gravel or drainage cell behind wall + ag-pipe connected to a suitable outlet to prevent hydrostatic pressure Finish & cleanup: Spoil removal, grading, and preparation for fencing on the high side I’ve worked on similar sloped boundary walls where stability, drainage, and clean stepped transitions were critical, and I focus on delivering long-lasting, engineer-compliant results. Thank you, Idania
$600 AUD in 6 days
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With over two decades of experience in structural engineering, I am confident my team is well-equipped to successfully execute your concrete sleeper retaining wall project. Our proficiency in Autocad, Ram Elements, and other relevant softwares, combined with my extensive expertise in site design and construction matches every aspect of your job description. Be it setting out the right pier depths, designing tiered footings for varying heights, or ensuring adherence to local engineering standards - you can count on us to get the job done correctly. Having worked on numerous projects including houses, malls, bridges, and more - we understand the importance of strong foundations, particularly on slopes like you've mentioned. Moreover, our decade-long relationship with various engineers extends the value we bring to this project. We can harness these connections to secure necessary certifications or additional documentation that may be required. Choose us and leverage our experience, skills, and network to build a sturdy wall that not only delineates your property but also stands as a testament to quality craftsmanship. I look forward to discussing the specific details so we can lock in mutually convenient dates and take this project further.
$500 AUD in 5 days
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Hi, I have experience designing and coordinating construction of stepped concrete sleeper retaining walls on sloped sites, including layout, drainage, and engineer-compliant detailing. I can handle set-out, pier depth planning, and ensure proper installation with H-sections, backfill, and ag-pipe drainage for long-term stability. Quick questions: Project location for soil conditions and code requirements? Do you already have engineering drawings or need full design + certification? Confirm total length and max height (2.8 m stepped sections)? Site access for machinery and spoil removal? Timeline to start? Thank you, John.
$700 AUD in 7 days
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Brisbane, Australia
Member since Apr 27, 2026
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