结构工程 Jobs

I'm seeking an experienced engineer to design seismic restraints for non-structural MEP components in our upcoming project. Key Requirements: - Restraint design for HVAC systems (including air handling units, ductwork, chillers, and all equipment/distribution systems) - Restraint design for plumbing systems (including piping systems, pumps, tanks, all equipment/distribution systems, and medical gas) - Compliance with relevant seismic codes and standards -PE stamp OH, IN, KY Ideal Skills and Experience: - Expertise in seismic design and restraint systems - Proficiency in engineering design software - Knowledge of MEP systems and their operational requirements - Strong attention to detail and accuracy - Previous experience with similar projects Please provide examples of related wo...

I have two non-commercial pergolas already installed and mounted on a newly built one-story steel rooftop deck. Each unit sits installed on four factory aluminum inserts that are through-bolted to the deck; the pergola posts are anchored to those inserts with single 10" bolts at the base. The city will only sign off once a licensed engineer confirms the assemblies can resist local wind pressures and possible up-drafts at roof level. I can supply a full package of blueprints, photos, and existing engineering specifications for both the deck and the current pergola installation. What I need from you: AN ACTIVE STATE OF IL LICENSE • Complete wind-load analysis in accordance with the applicable building code (IBC / ASCE 7) and current building codes. • Recommendations fo...

I'm looking for a qualified structural engineer to assist with concrete dock engineering in Florida. I will need a quick turnaround time 1-2 days for the design to be stamper and digitally sealed. Attached are the spec requirements Ideal skills and experience: - Licensed structural engineer in Florida - Experience with concrete dock design Please provide examples of relevant past work and ensure you hold the necessary certifications.

I'm seeking detailed structural plans for a living room renovation in Armada, Michigan. The project involves wall removal and addition. Ideal skills and experience include: - Expertise in structural engineering - Experience with residential renovations - Knowledge of Michigan building codes - Ability to create detailed, compliant structural drawings Please provide examples of similar work.

I need a structural calculation for a concrete retaining wall, which will support a new extension with a height of 1 meter. Key requirements: - Calculate load-bearing capacity - Ensure compliance with height specifications - Provide detailed design calculations Ideal skills and experience: - Civil or structural engineering background - Experience with concrete retaining walls - Knowledge of local building regulations and codes - Strong analytical and problem-solving skills Looking for accurate and professional work to ensure safety and stability of the new structure.

I have an ETABS and SAFE model of an industrial building and need to model it in STAAD Pro. I will provide you with architectural drawings, material specifications, and any initial data I have. Your job is to build the STAAD model, assign dead, live, wind, and other related loads realistically, perform a thorough structural analysis, and provide clear and traceable results. My expectations are: • A clean, layered .std model that reflects the geometry exactly as submitted. • Comprehensive load calculations and combinations set up in STAAD Pro • A concise PDF or Excel report that provides a summary of the reactions, member forces, deflections, and any important notes or warnings revealed by the solver. • All assumptions are stated so that I can check them against the...

I need a skilled contractor to lift my house structurally and add a basement. This renovation aims to create additional living space. Key Tasks: - Structural house lift - Construct new basement area - Install pony wall The ideal candidate should have: - Proven experience in structural renovations - Knowledge of local building codes and regulations - Strong understanding of foundation work and structural integrity Please include relevant experience and a timeline in your bids.

I need an experienced structural engineer to examine a roof wooden truss structure in my residential home. Key tasks include: - Determine if an apparent vertical section is non-load bearing and can be removed. - Assess safety of removal and effect on structural integrity. - Identify any visible damage or issues. Ideal skills and experience: - Structural engineering expertise - Experience with residential roof trusses - Ability to provide detailed inspection reports

I need a professional to create detailed plans to obtain planning permission for a loft conversion. The goal is to transform the loft into an additional bedroom, complete with an ensuite bathroom and ample natural lighting through skylights. Requirements: - Additional bedroom layout - Ensuite bathroom design - Natural lighting integration (skylights) Ideal Skills: - Architectural technician - Experience with residential loft conversions, particularly with London local authorities - Proficient in design software - Strong understanding of building regulations and permits - Based in London or nearby, preferably a one-man band or small partnership

My name is Colin Alton. I am a 68-year-old British male living on Koh Lanta island, Krabi province innTHAILAND. I am in the process of purchasing an unusual ‘over sea water’ property in Saladan. I would like to employ an architect who lives in Thailand, speaks Thai & English & can visit the site to make exact measurements of the site & engage in discussions directly with myself on site. The architect must be able to produce 3D (CAD) designs. This property has been operating as a restaurant & I intend to convert it into a domestic dwelling. The main property is approximately 47 meters long (from front door on access road to waterfront) & tapering between 6 meters & 8 meters wide. I will be constructing a new building on exactly the same footprint as ...

I need a detailed drawing for a short run of traditional-style concrete stairs that will start at first-floor level, turn 90° in front of the lift gate, descend roughly eight standard risers alongside a newly proposed lift shaft, and then tie seamlessly into the existing staircase (which will be partially demolished to suit the new geometry). The goal is to give my civil contractor a set of plans that keep material and labour costs low without compromising safety or code compliance. Please base the design on in-situ reinforced concrete with a smooth finish and incorporate economical detailing—standard tread-to-riser proportions, simplified reinforcement layouts, and practical shuttering notes. I expect: • Plan, section and elevation views showing exact dimensions, landing ...

I'm seeking a structural drawing for U-shaped deck stairs with a 13-foot drop. The stairs should be built using wood and composite materials. The railing should be made of metal - Cinch railing. Key Requirements: - U-shaped design - 13-foot vertical drop from top of existing deck - each stair section is approximately 3’6” wide - Composite materials Trex Select- Saddle - not sure if lighting is required - Metal railing -Cinch is top mounted Ideal Skills & Experience: - Experience with structural drawings for decks in SW Washington - Knowledge of composite materials - Ability to design integrated lighting solutions - Proficiency in metal railing systems

I need structural specifications so I can safely cut a 7-foot opening in a load-bearing, wood-framed wall on the ground floor of my two-storey stacked condo. The wall supports the identical unit above, so the calculations and detailing must clearly demonstrate how the new header will carry that load without compromising the building’s integrity or my chances of passing inspection. Please provide permit-ready documents that include: • Header sizing and grade, with allowable loads and deflection limits • Framing layout showing all studs, jack studs, king studs, and any required posts or columns • Connection and anchorage details (fasteners, hangers, Simpson hardware, etc.) • Brief structural calculations or notes an inspector can follow PDFs are fine, but ...

I need a skilled contractor to reposition one piece of metal cross bracing under my pier and beam house. Ideal skills and experience: - Experience with pier and beam structures - Ability to work with metal materials - Knowledge of structural integrity and safety Please provide relevant experience in your bids.

I need help obtaining a building permit for a residential structure that is currently under construction. Key requirements: - Experience with residential building permits - Familiarity with local regulations and requirements - Ability to expedite the permitting process Ideal Skills: - Strong knowledge of construction laws - Excellent communication with regulatory agencies - Prior success in securing permits for similar projects Please provide a detailed plan and timeline for securing the permit.

I need a complete structural design for a mild-steel shade that will shelter a storage area of well over 3300 sq ft. The look has to stay in line with a traditional aesthetic—clean pitched roof, exposed yet simple members, nothing overly industrial or ultramodern. I will provide the site layout and the footprint; I’m counting on you to size the members, detail the connections, and prepare drawings ready for fabrication and erection. Please include basic wind- and live-load calculations to meet standard code requirements in my region (I’ll share the local code reference once we start). Deliverables I expect: • CAD/PDF general arrangement, plan, elevation, and section drawings • Member schedule with sizes, grades, and connection details • Brief ca...

Structural Engineer (Florida PE) – Engineer of Record for Large Industrial Steel Building Project Overview We are seeking an experienced Florida-licensed Structural Engineer (PE) or structural engineering firm to serve as the Engineer of Record for a large industrial steel building that will be fabricated overseas. The selected engineer will develop the complete structural design and sealed construction documents in accordance with the Florida Building Code and applicable standards. After completion of the initial structural design, the selected overseas steel manufacturer will review the design and may propose revisions to improve manufacturing efficiency, reduce cost, simplify fabrication, or substitute equivalent structural materials commonly used in international steel fabrica...

I need a retaining wall built to prevent soil erosion over a length of less than 10 meters. Requirements: - Type of wall: To be determined (gravity, cantilever, or anchored) - Must be robust and durable Ideal Skills and Experience: - Experience in constructing retaining walls - Knowledge of soil and erosion control - Ability to assess site and recommend wall type

I need a complete finite element analysis that captures how steady water pressure acts on a bridge pier and analyzes the fluid-structure interaction using ABAQUS 6.14-5. The task involves building the model from scratch, including reinforcement detailing, to simulate non-linear behavior of a concrete pier under static water pressure. Scope: • Develop a 3D Abaqus model, including proper reinforcement geometry and material properties. • Represent non-linear behavior using the Concrete Damaged Plasticity (CDP) model. • Apply accurate hydraulic loading so true pressure distribution is reflected. • Perform Finite Element Analysis combined with Fluid-Structure Interaction (FSI). Expected Outputs: • Stress, strain, and displacement results (non-linear response visible)....

Project Overview We are seeking a qualified California-licensed Structural Engineer (PE) to prepare a complete set of structural permit documents for a new residential building in Los Gatos, CA. Architectural plans will be provided within 10–14 days. The scope includes detailed foundation, framing, and roof plans, fully coordinated with the architectural set, compliant with California Building Code (CBC), local amendments, seismic requirements, and Los Gatos/Santa Clara County standards. Scope of Work Develop stamped structural engineering calculations and drawings for: Foundation (including any geotech coordination if needed) Framing (floor/wall/roof systems) Roof structure Full permit-ready package with all necessary details, notes, and schedules. Respond to plan check comme...

I already have architectural plans generated by a draftsman for a new single-family residence in Montana and now need the complete engineering package to take it through permitting and construction. STRUCTURAL The house will be wood-framed. I need stamped calculations and drawings for gravity and lateral loads, a concrete foundation sized for known Rocky Mountain “rocky soil,” and any sub-soil recommendations that may affect footing design, drainage, or insulation. Please coordinate beam, joist, and truss schedules with the current architectural set. MEP HVAC: Traditional forced-air system with central A/C throughout, plus radiant floor heat in the basement and garage. Even with radiant, the basement must still receive active cooling. Fuel source is propane. Electrical:...

I need professional foundation plans for a 24'x30' steel shop/garage building. The foundation must be a slab on grade with rebar reinforcement. Key Requirements: - Slab on grade foundation - Rebar reinforcement - Design suitable for clay soil Ideal skills and experience: - Structural engineering expertise - Experience with foundations in clay soil - Knowledge of rebar reinforcement requirements

We require a suitably qualified structural engineer to review our standard mono-pitch canopy product and provide structural calculations confirming that the complete system is structurally sound and suitable for use across the UK. Product information Product: Mono-pitch canopy Primary structural material: Steel Roof covering: Polycarbonate Installation type: Freestanding Standard size range: 7.5m between posts The review should include: - Canopy frame, posts and roof supports - Structural connections and brackets - Base plates and post fixings - Our standard foundation blocks - Ground fixing and anchoring methods The engineer should assess the product for all relevant loads, including: - Self-weight - Wind loading and uplift - Snow loading - Overall stability - Member and connection st...

I’m looking for a civil-engineering professional who can teach a small batch of beginner-level students (only 1-5 in each session) at our centre in Nagarbhavi. The exact focus area is open—your background might be in Structural Engineering, Geotechnical Engineering or Construction Management—as long as you can break the fundamentals down into clear, practical lessons. The role is entirely in-person, so you’ll need to commute to Nagarbhavi and commit to a regular schedule that we’ll set together. I’ll rely on you to: • Create a beginner-friendly syllabus with practical examples • Deliver engaging classes and hands-on demonstrations • Set short assignments or quizzes to monitor understanding • Provide a concise progress report a...

I'm looking for an engineer to provide certification for a residential project. The structure is not approved, and I need certified documentation for framing and piers. Requirements: - Engineering certification for residential structures - Compliance with local building codes - Experience with framing and pier systems Ideal Skills & Experience: - Licensed professional engineer (PE) - Familiarity with local building regulations - Strong background in structural engineering

I need an experienced Mechanical Design Engineer to review, validate and finalise a motorcycle LED mounting system. The system supports a 5–6 kg LED cabinet and is mounted on a motorcycle rear rack. It includes a universal rack mounting base, two telescopic aluminium arms, a transverse structural bar, a T-shaped LED support and a quick-release locking mechanism. I already have a detailed preliminary engineering specification with dimensions and preliminary structural calculations. The attached technical document is a preliminary engineering specification and starting point, not a final design that must be reproduced without changes. The engineer must independently review the design, calculations, dimensions, materials and mechanical interfaces, and correct or redesign any compone...

I have a new residential building on the boards and need a partner who can take it from initial CAD lines right through to a coordinated structural package. Here’s what I will hand over: the basic architectural concept and my design brief. From there, I need you to • draft all architectural and structural plans, sections and elevations in AutoCAD • build a detailed, fully textured 3D model in Revit for visualization and client presentations • run the structural design, prepare clear reinforcement details and compile the Bar Bending Schedule • return polished drawings (PDF + DWG/RVT) and the editable schedules ready for engineer sign-off AutoCAD and Revit are mandatory because they tie in with my current workflow. If you are comfortable analysing the f...

I'm seeking a skilled structural engineer to design plans for a flat-roof steel verandah attached to an existing structure. The verandah framing is built and inplace. The steel posts have not yet been concreted in. Its made ftom steel c section and attached to house. It doesn't yet have the roof on. The roofing will be colourbond iron I need to supply this information to the council to get retrospective approval. Requirements: - Detailed structural plans ensuring safety and compliance - Design integration with the current building - Use of steel as the primary material Ideal Skills and Experience: - Expertise in steel structures - Experience with flat roof designs - Knowledge of local building codes and regulations Please provide samples of previous work and a timeline f...

An HSIC-Class metal fence with an integrated gate is scheduled for installation on a rural site. I will supply the current drawings, material specs, and every standard that must be observed; your task is to verify the whole foundation concept and document the structural adequacy. Scope • Perform a full wind-load analysis on the fence and gate, using the design wind speed stated in the material I provide, then convert pressures into line and point loads. • Check overturning, sliding, and bearing stability for each post footing and for the gate support structure. • Size or confirm concrete footing dimensions, reinforcement, and embedment details. • Summarise all safety factors, governing load cases, and reference clauses from the supplied standards. Deliverables...

An HSIC-Class metal fence with an integrated gate is scheduled for installation on a rural site. I will supply the current drawings, material specs, and every standard that must be observed; your task is to verify the whole foundation concept and document the structural adequacy. Scope • Perform a full wind-load analysis on the fence and gate, using the design wind speed stated in the material I provide, then convert pressures into line and point loads. • Check overturning, sliding, and bearing stability for each post footing and for the gate support structure. • Size or confirm concrete footing dimensions, reinforcement, and embedment details. • Summarise all safety factors, governing load cases, and reference clauses from the supplied standards. Deliverables...

Hello, I would love to assist with the planning and design of your second-floor en-suite bathroom addition. Your project is well thought out, and I understand the importance of creating a functional layout while preserving the original character of your 1952 Cape Cod home. I specialize in residential architectural design and can help develop detailed plans that focus on efficient space planning, structural feasibility, and coordinated plumbing, electrical, HVAC, and venting layouts. My approach prioritizes functionality, natural light, and minimizing disruption to the existing structure while maintaining the home's street-facing roof profile. Based on your description, I can: * Design multiple layout options, including a double vanity where space permits. * Create a practical thre...

I’m ready to move forward with a complete architectural package for a mixed-use building on my 27-ft-wide by 39-ft-deep plot. The concept is straightforward: a brick-clad, traditionally styled structure with a stilt level reserved for commercial activity and two residential floors above it. Site & massing • Footprint: 27 ft (street-facing) × 39 ft (depth) • Configuration: stilt + 2 floors (no basement) • Height and setbacks must comply with local bylaws; I’ll supply those once we start. Functional brief Stilt floor – open commercial bay(s) plus stair and lift core. First floor – three bedrooms, three bathrooms, a kitchen and separate living/dining rooms (individual rooms, no open plan). Second floor – five self-contained ...

I’m finalising the design package for a new commercial hotel and need a precise structural sectional view to slot straight into the sub-mittal set. The architectural floor plans are already locked down; what’s missing is a clear, to-scale section that shows the structural frame, slab and beam depths, column sizes, reinforcement zones, floor-to-floor heights, and any transfer beams or shear walls that occur along the cut line. Please base the work on the DWG files I will provide. I’m comfortable if you draft in AutoCAD, Revit or a similar BIM-capable tool—just keep layers clean and line weights print-ready for A1. Wherever design codes are referenced, use the latest IBC/ACI provisions. Deliverables • Editable DWG (or RVT) of the sectional view • P...

A temporary go-kart track already sits on an approved parking lot, yet the city has asked for a separate site-permit package before operations can continue. I need a Texas-licensed Civil Engineer to turn our material into a stamped plan set that answers every municipal comment. What I will hand over the moment we start: • My original draft civil plan. • The city’s written feedback covering safety measures, regulatory compliance, and design improvements. • Photos and sketches of the existing installation, including the barriers and railings, emergency exits, and safety signage that are already on-site. Your task is to study that information, verify the applicable local codes, and prepare a full permit-ready site plan—cover sheet, existing/proposed layout, ...

I need detailed architectural drafting and documentation for a new residential project. The project involves two single-storey villas, each with approximately 120m2 of living area. Requirements: - Complete architectural drawings (floor plans, elevations, sections) based on the attached preliminary plans - Detailed documentation for construction, sections details, and internal room layout for cabinetry. - Compliance with local building codes and regulations, western Australian R-codes and NCC. - Coordination with engineers and consultants as needed - Landscape design. - Compliant with the city of Stirling's planning scheme -Autocad files are available if required. Ideal Skills and Experience: - Proven experience in residential architectural drafting - Strong knowledge of building...

I'm looking to hire a skilled deck engineer to design a raised deck using composite materials. Requirements: - Experience with raised deck construction - Proficiency in working with composite materials - Design expertise to incorporate additional weight for hot tub placement Ideal Skills and Experience: - Carpentry and structural engineering background - Strong design skills for functional and aesthetic appeal - Knowledge of local building codes and regulations Please provide examples of previous work and a detailed quote.

My architectural drawings for a new single-family residence with an attached ADU are complete and ready for structural work. I now need a California-licensed SE or PE to turn those plans into a permit-ready package that satisfies the latest California Building Code and all seismic safety requirements. The scope centers on two items: full structural design and a thorough code-compliance review. I will supply the PDFs and CAD files of the approved architectural set. From there, your task is to analyse the layout, design all structural elements (foundation, framing, lateral system, connections, etc.), and confirm every detail aligns with CBC 2022 and the applicable seismic provisions for my site. Deliverables • Complete structural calculations in PDF • Framing, foundation, she...

The task is to engineer a 3D-printable cell-phone box that combines a rigid, transparent shell with flexible strap to secure the device inside the package, all optimized for the Bambu Lab platform running an H2D dual-nozzle setup. I will be pairing either Clear PETG or Clear PLA with Regular TPU or its Glow variant, so the design must accommodate any of those two-material combinations without re-modelling. Priority order is fixed: 1. Structural integrity and long-term durability 2. Cost efficiency in material volume and print time 3. An intuitive lock–unlock mechanism that can be figured out at a glance 4. Overall print duration kept to a minimum Key guidelines • Shell walls should resist everyday drops and mild flex yet stay as thin as possible for material savings. ...

My hand-built spiral staircase is already fully installed, and before the county inspector comes through I need a licensed structural engineer to review it and issue a wet-stamped letter or set of drawings confirming that the build meets code. I do not have original blueprints or calculations, so you would need to work from on-site measurements, photographs, and any other information you require from me or the fabricator. Ideally you will: • Visit (or guide me through gathering) the critical dimensions, material specs, and connection details. • Run the necessary load, deflection, and connection checks. • Produce a signed and wet-stamped document acceptable to my local building department, including any supporting calcs they typically request. Let me know your state of...

I need structural calculations for a wooden brick and tile bay window in a residential house. The calculations should ensure safety and compliance with building codes. Requirements: - Assess structural integrity for replacement upvc windows Ideal Skills and Experience: - Structural engineering background - Experience with residential wood structures - Knowledge of building codes and safety regulations

I have two non-commercial pergolas already installed and mounted on a newly built one-story steel rooftop deck. Each unit sits installed on four factory aluminum inserts that are through-bolted to the deck; the pergola posts are anchored to those inserts with single 10" bolts at the base. The city will only sign off once a licensed engineer confirms the assemblies can resist local wind pressures and possible up-drafts at roof level. I can supply a full package of blueprints, photos, and existing engineering specifications for both the deck and the current pergola installation. What I need from you: • Complete wind-load analysis in accordance with the applicable building code (IBC / ASCE 7) and current building codes. • Recommendations for achieving compliance&m...

I have detailed plans already for a 20ft container home. Please verify 150mph winds and nc code & stamp the drawings Requirements: - Licensed structural engineer in North Carolina - Experience with residential building projects - Knowledge of NC building codes and regulations Please provide samples of previous work and a timeline for completion.

I’m looking for a solar engineer who can take my commercial site—rated for well over 200 kW of demand—and turn it into a fully-documented, off-grid photovoltaic solution. The scope covers everything from the initial load assessment right through to the final AutoCAD drawings. Here is what I need you to deliver: • A complete PV array layout in AutoCAD, showing module strings, row spacing, and orientation that fits the available roof and ground space. • Structural details for the mounting system, including material specifications and anchoring. • Sizing calculations for the battery storage bank to keep the site running independently, plus the inverter configuration that matches both peak and surge loads. • Single-line and wiring diagrams, cable s...

I need a basic design for a single slope roof for a 7m x 9m residential building. The roof will be made from metal sheets and should include fiberglass insulation. Requirements: - Design for a single slope roof - Dimensions: 7m x 9m - Material: Metal sheets - Insulation: Fiberglass Ideal Skills and Experience: - Experience in roofing design - Knowledge of metal roofing materials - Familiarity with insulation types and techniques - Ability to create detailed and accurate design plans

I’m setting up a new manufacturing plant dedicated to producing V F D drives and need a complete civil-architectural package to move the project from concept to construction. Here’s the scope in plain terms: the site is currently a greenfield, so I will rely on you to map out an efficient floor plan, develop all structural drawings, and lay in the full utilities scheme—electrical, water, HVAC, compressed air, data, and fire-protection runs. Beyond the shell, the production line itself must be shown: raw-material reception, SMT area, assembly, testing, packaging, and finished-goods dispatch. I want the flows to be linear, with minimal cross-traffic, and fully compliant with standard industrial safety codes. I work in AutoCAD and Revit, so final deliverables must be pro...

I need a registered Oregon civil engineer for a project involving utility underground vaults. The engineer will be responsible for: - QA/QC of drawings and calculations - Stamping and signing drawings - Conducting structural observation site visits (4 visits) Standards to follow: Oregon State Building Code and industry-specific standards. Ideal candidates should have: - Valid Oregon civil engineering license (MUST be currently registered in Oregon as a professional Civil Engineer) - Experience with utility vaults - Strong QA/QC skills - Knowledge of Oregon State Building Code and industry standards - Proven track record in structural observation Please provide relevant credentials and experience in your bids. Note: Immediate hiring is required, but the work will commence in approximately 4...

I regularly receive 2-D shop drawings in DWG format for structural members such as universal beams, tapered-flange channels and angle bars. Every member is detailed with holes and welded plates, yet the files arrive on plain layers, so nothing is pre-sorted for you. Your task is to open each DWG, read the geometry accurately and export a clean, fabrication-ready NC1 file for every part. A typical job contains anywhere from five to thirty drawings, depending on project size, and I’ll pass them to you in batches as they come off the design desk. Because there is no layer coding, I’m counting on your experience with AutoCAD, Advance Steel, Tekla, SDS/2—or any workflow you prefer—to spot every hole and plate edge correctly before generating the NC data. Please name ...

I'm seeking an experienced civil engineer specializing in low-impact design for a residential project. This project is located in Phoenix, AZ. Site has a 13% slope with Cherioni-Rock outcrop complex and Rock outcrop-Cherioni complex soil types. Key tasks include: - Identifying the optimal building pad - Estimating grading costs (rough estimate) - Suggesting effective drainage strategies Ideal skills and experience: - Proficiency in low-impact development principles - Experience with residential site design - Strong understanding of drainage systems and grading Please provide relevant project experience in your bids.

Need an engineer's letter for the Brunswick County Permits attesting that the walls on a carport turned into a garage are adequately anchored to the foundation.

I have previous drainage plans in DWG/PDF and now need a dedicated shop drawing that zeroes-in on the raft foundation’s drainage. The core of the task is a clear, fully-dimensioned detailed drainage layout that meets recognised international standards (e.g., BS EN or equivalent). No material schedules or construction sequencing are required—just the precise layout. Please base the work on my existing plans, updating levels, pipe sizes, slopes, manhole positions and any necessary legends or notes so the drawing is construction-ready. Deliverables • Editable AutoCAD (.dwg) file and matching PDF • All invert levels, gradients, pipe diameters and references to tie-in points shown • Title block updated with project information and revision index Acceptance crit...