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I am preparing a new photovoltaic plant (≈2 MW) and need a complete hydrology study coupled with a robust drainage system design. The core of the assignment is a flood-risk assessment that will inform runoff calculations, channel sizing, culvert placement, and any protective earthworks so the array, inverters, roads, and substation remain safe during extreme events. Please base your work on the local rainfall-runoff data set, applicable storm return periods, and the site’s topography. I expect modelling in recognised software such as HEC-HMS, SWMM, Civil 3D, or equivalent, and drawings delivered in CAD and PDF formats ready for permitting. Include a detailed project proposal outlining: • methodology and software you will use • data requirements you will need from my side • key milestones with timeframes • sample calculations or similar studies you have completed I will review proposals primarily on technical approach and clarity of deliverables, so feel free to highlight any innovative drainage techniques that could optimise costs or land usage.
ID Projek: 40336476
13 cadangan
Projek jarak jauh
Aktif 21 hari yang lalu
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13 pekerja bebas membida secara purata $1,284 USD untuk pekerjaan ini

Drawing on a diverse range of skills including Mechatronics, Structural, Software and Electrical Engineering, I offer a comprehensive set of abilities that are perfect for addressing the needs of your hydrology and drainage design project. For the complete hydrology study, I have extensive experience using recognized software like HEC-HMS and SWMM. Additionally, my five years of experience in design and simulation have honed my proficiency in AutoCAD – allowing me to deliver the detailed CAD drawings you require for permitting. In terms of data requirements, I would need access to the local rainfall-runoff data set and applicable storm return periods along with detailed information about the site’s topography. Leveraging this data, I can create a robust flood-risk assessment that will inform all elements of the drainage system design such as channel sizing and culvert placement. Over my career, I have successfully completed numerous calculations and studies similar to yours. Through these experiences, I have sharpened my ability to devise innovative solutions that optimize costs and land use – important factors in an undertaking like yours. With my deep expertise in hydrology and strong command over various software programs, I am confident that I can deliver actionable insights through a well-defined methodology within specified timeframes.
$2,000 USD dalam 25 hari
6.4
6.4

Hi Jose Miguel, Just last week I completed a similar task successfully, so I can get started on this without any ramp-up time. Which design storm return periods and temporal distributions are required by the authority for drainage sizing and flood risk (e.g., 10-, 25-, 50-, 100-year), and should a climate-change factor be applied per local guidance? What topographic data resolution is available (LiDAR/drone/survey) and are there outlet constraints such as allowable peak discharge, floodplain limits, or road-crossing headwater criteria? Model combined surface/pipe flow with HEC-HMS + SWMM and verify extreme-event overland paths with HEC-RAS 2D; set access and inverter pads as high points to maintain dry egress. Use distributed micro-swales, level spreaders, and permeable rock trenches between array rows to break slope length, lower velocities, and reduce culvert sizes while adding redundancy. Action Plan: - Phase 0 (Week 1) Inputs: Local rainfall–runoff/IDF, soils/geotech (infiltration/GWT), 1 m LiDAR or survey, existing outfalls, PV layout/roads, permit criteria. - Phase 1 (Wk 1–2) Hydrology: HEC-HMS (SCS CN/Green–Ampt), catchment delineation, losses, baseflow; calibrate if events/gages exist; apply climate factor if required. - Phase 2 (Wk 2–3) Hydraulics: SWMM network and storage; HEC-RAS 2D for sheet flow; size channels/culverts/energy dissipation; erosion/sediment controls Best Regards, Sid
$1,500 USD dalam 5 hari
6.6
6.6

With over a decade of experience in Structural Engineering, my team and I possess the necessary skills to provide a comprehensive approach to your hydrology and drainage design project. Starting with a detailed methodology, we'll employ recognized software such as HEC-HMS, SWMM, Civil 3D or their equivalent to ensure efficiency and accuracy. Furthermore, our service includes delivering all drawings in CAD and PDF formats ready for permitting. I understand the importance of relying on local data and return periods when it comes to flood-risk assessment and runoff calculations. Our approach will be systematic, aligning data requirements from your side with key milestones that we establish together. Being detail-oriented, we'll provide sample calculations and past studies that highlight our expertise in optimizing costs without compromising land usage. Our proposal encapsulates an innovative outlook towards drainage design that can only come from a diverse range of experiences; these experiences span from web development to mobile development using AR/VR .
$1,125 USD dalam 7 hari
5.6
5.6

Hi, I have designed hydrology and drainage systems for a 1.5 MW solar farm in Spain, including runoff modeling and culvert placement to protect access roads. I completed a flood-risk assessment for an industrial site, using HEC-HMS to size channels and design protective earthworks, ensuring safety during heavy storms. I'd love to share my experiences with you. Best regards, Epa
$990 USD dalam 7 hari
5.2
5.2

Greetings! I’m a top-rated freelancer with 16+ years of experience and a portfolio of 750+ satisfied clients. I specialize in delivering high-quality, professional Hydrology & Drainage Design PV services tailored to your unique needs. Please feel free to message me to discuss your project and review my portfolio. I’d love to help bring your ideas to life! Looking forward to collaborating with you! Best regards, Revival
$750 USD dalam 14 hari
5.0
5.0

Hi — I have experience with hydrology and drainage design for utility-scale and infrastructure-type sites, including runoff modelling, flood-risk assessment, channel and culvert sizing, and stormwater protection strategies tied directly to permitting and construction needs. My approach would be to start with site topography, rainfall data, soil and outfall conditions, then build a clear hydrologic and hydraulic model to evaluate peak flows, overland drainage paths, ponding risk, and the protection measures needed for the PV array, inverter pads, access roads, and substation areas. I can provide a structured proposal covering methodology, software workflow, required inputs, milestones, and deliverables in CAD/PDF format, with a focus on practical, buildable drainage solutions that control risk while minimizing unnecessary earthwork and cost.
$1,500 USD dalam 10 hari
1.4
1.4

Atarfe, Spain
Ahli sejak Okt 29, 2019
€750-1500 EUR
₹1500-12500 INR
$250-750 USD
$1000-1001 AUD
$250-750 USD
$250-750 AUD
$1500-3000 USD
$250-750 USD
$10-200 CAD
$250-750 USD
$15-25 USD / jam
$30-250 USD
£250-750 GBP
$25-50 USD / jam
₹100-400 INR / jam
₹600-1500 INR
$250-750 USD
€6-12 EUR / jam
₹12500-37500 INR
₹1500-12500 INR
$10-30 USD