Practical Guides for Contractors, Engineers & Consultants

Surveying Resources

Surveying Resources

Every programme that runs into survey-related problems — service strikes, abortive design work, setting-out errors, CDM compliance gaps — traces back to a survey scope that was not specified correctly, not delivered to the right standard, or not commissioned early enough. This page is for the people who specify and commission survey work. Contracts Managers, Technical Directors, Engineering Managers, civil engineers, architects, planners and developers. Each client section below sets out what you typically need from a survey firm, which services apply to your work, which sectors we operate in, and the proof that shows we have done it before. If you are in the United Utilities supply chain, working on NW highways programmes, or delivering infrastructure across Lancashire and the North West — the guidance below is written for your world.

Find Your Role

Find Your Role

Tier 1 Contractors & Principal Contractors

Tier 1 Contractors & Principal Contractors

If you are a Principal Contractor or Contracts Manager, the survey firm you appoint is a programme dependency. Get it wrong and the programme waits. Get it right and the survey disappears into the background — which is exactly where it should be. Site Surveying Services is already delivering survey programmes for tier 1 contractors across Lancashire, the North West and beyond. We hold Constructionline Gold, we are PAS 128 accredited and we are CDM compliant on every site. All services are delivered in-house — the team that quotes your project is the team on site.

Comprehensive Utility Mapping & Topographical Survey — BAE Systems Facility, Barrow-in-Furness

PAS 128 QLA utility mapping and topographic survey on a live MOD industrial facility — decades of buried infrastructure, restricted access, zero tolerance for operational disruption. Phased delivery, real-time QA, coordinated around the operational schedule. One unified georeferenced dataset.

What protects your programme when appointing a survey firm:

Constructionline Gold pre-qualification already in place. PAS 128 accreditation for utility scope. Directly employed team — not freelancers placed by a broker. A realistic mobilisation capability — not a number on a website. A firm that has worked on live programmes similar to yours and has the case studies to prove it.

What tier 1 contractors commission from us most often:

On a live North West construction or infrastructure programme, the survey scope rarely sits within one discipline. PAS 128 utility mapping before groundworks. Topographic survey at pre-construction. Setting-out throughout the build programme. Monitoring on structures adjacent to excavation. As-built at handover. We cover all of it from one team, under one instruction.

Civil Engineers

Civil Engineers

Civil engineers need survey data that is accurate enough to engineer from — not approximate enough to sketch from. The distinction matters when the design is checked, when the structure goes in the ground, and when the client’s technical advisor interrogates the basis of the scheme. The survey specification needs to match the design stage. Feasibility data is not detailed design data. Detailed design data is not setting-out data. A survey firm that understands this — and that advises on specification without being asked — is worth significantly more than one that simply delivers what is ordered.

Monitoring Equipment Detects Seismic Activity — Lancashire and the Lake District

Long-term monitoring across a wide area of Northern England — instrumentation detecting and recording seismic events with precision and reliability. Demonstrating our monitoring capability in complex, extended programmes beyond standard construction site applications.

tHE QUESTIONS THAT MATTER TO A CIVIL ENGINEER:

What accuracy specification is the topographic survey delivered to — and is it documented? Is the control network tied to OS National Grid? What file formats are the deliverables available in? Has the survey been independently checked against the specification before delivery? Is the utility mapping physically verified to QLA or is it desk-study only?

What civil engineers typically need from us:

At feasibility — topographic survey, utility mapping, drainage and watercourse data where relevant. At detailed design — accurate control network, BIM-ready survey data to EIR standard, point cloud for complex geometry. At construction — setting-out engineers, 3D machine control, monitoring on sensitive assets and adjacent structures.

Architects & Project Managers

Architects & Project Managers

The survey brief and the design brief should be written at the same time. The survey specification should be determined by what RIBA stage the data needs to serve — not by what is cheapest to produce at the time the commission is placed. And the measured building survey that informs the scheme should capture every dimension, every level and every feature that the design depends on. Not most of them. Site Surveying Services delivers survey data that architects and project managers across Lancashire and the North West can work from immediately. Our first CPD session for an architectural practice was delivered to Cassidy Ashton in Preston — covering BIM delivery, point cloud surveys and how survey data integrates into the design workflow. If your practice would benefit from a session, get in touch.

CPD Session — Cassidy Ashton, Preston

We delivered our first CPD session on geospatial surveying — covering BIM delivery, point cloud surveys, Revit models and the practical integration of survey data into the architectural design process. We offer this to architectural practices across Lancashire and the NW. Get in touch to arrange a session.

What architects & project managers typically need from us:

At RIBA Stage 1 — topographic survey and measured building survey for feasibility and brief. At Stage 2 — georeferenced data at design accuracy, BIM model to appropriate LOD. At Stage 4 — setting-out support, as-built verification. At all stages — a survey team that understands the design process and responds when the scope changes.

The questions that protect the design programme:

Is the measured building survey output structured for Revit or AutoCAD? What RIBA stage is the survey specified for and does the accuracy reflect that? Has the coordinate system been agreed with the structural engineer before the survey is commissioned? Is the BIM model being produced in-house by the survey firm or outsourced to a third party?

Property Developers

Property Developers

Developers who use survey data well treat it as a decision-making tool, not an overhead. The topographic survey that informs the acquisition decision is worth more than the same survey commissioned three months after contracts have exchanged. The utility mapping that identifies a problematic service run before design is fixed saves far more than it costs. Site Surveying Services has delivered survey programmes across housing, commercial, mixed-use, brownfield and regeneration sites across the North West. Urban regeneration schemes in Darwen, Colne and Accrington. Housing developments across Lancashire. Industrial and commercial sites from Cumbria to Cheshire. We know what North West development surveys need to cover.

Urban Regeneration Surveys — Darwen, Colne and Accrington

Topographic and utility survey across multiple East Lancashire urban regeneration sites — ground levels, boundaries, services and existing features captured for housing-led regeneration programmes. Data delivered in time to support planning applications across all three schemes.

What property developers typically need from us:

At acquisition — indicative topographic survey and desktop utility records to inform the purchase decision. At pre-application — full topographic survey, utility mapping, measured building survey if existing structures are involved. At pre-construction — full utility mapping to QLA, setting-out control, BIM-ready data to EIR.

The questions that protect the development programme:

Is the survey scoped for the planning stage or the construction stage — they require different specifications? What Quality Level of utility mapping is required before groundworks begin? Has the existing building been measured to the accuracy the structural engineer will need? Is the survey data in a format that both the planning consultant and the architect can use without conversion?

Planners & Consultants

Planners & Consultants

Planning consultants, transport consultants and environmental consultants need survey data that is defensible. When a planning authority or appeals inspector questions the accuracy of a topographic or utility survey, the answer needs to be immediate, clear and documented. That means survey data produced by an accredited firm, to a recognised standard, with a clear methodology statement. It also means a survey firm that understands the planning process well enough to advise on scope — and that can move quickly when committee dates change and the programme shifts.

Topographical Survey — Urban Regeneration, East Lancashire

Topographic surveys across multiple North West sites supporting planning submissions for housing-led regeneration — OS-controlled, georeferenced data delivered in the format required by the planning authority and design team.

What planners & consultants typically need from us:

For planning submissions — topographic survey to planning accuracy, utility records and mapping, drainage survey. For transport assessments — road cross-sections, junction surveys, visibility splay and swept path data. For environmental assessments — topographic data, watercourse surveys, habitat and land use mapping.

The questions that protect the planning submission:

Is the survey tied to OS National Grid for the submission? Is the survey firm RICS regulated and Constructionline Gold — and can that be evidenced quickly for the LPA if required? Is the utility data produced to PAS 128 standard and therefore defensible if challenged? Is the topographic data current within the planning authority’s acceptable window?

Contractors & Groundworkers

Contractors & Groundworkers

Groundworkers and site contractors need a survey firm that shows up when the access window opens, delivers setting-out that is right first time, and does not become a programme risk. That is the baseline. Everything else — the methodology, the equipment, the accreditations — supports that outcome. Site Surveying Services delivered over 600 site engineering and setting-out projects in 2025. Our engineers are directly employed. They understand live construction environments — groundworks, plant operations, sequencing, programme pressure. They work around your programme, not against it.

Setting Out on a Live Mixed-Use Development — North West

Setting-out on a busy mixed-use development site — Leica total station, live groundworks, active plant and a full contractor team operating around us. Accurate control maintained throughout. No disruption. No abortive work. The programme kept moving.

What contractors and groundworkers typically need from us:

Setting-out of foundations, drainage, structures and highway features. 3D machine control models for earthworks and bulk excavation. Control network installation ahead of programme start. As-built verification at key stages. PAS 128 utility mapping before any excavation begins.

The questions that protect the groundworks programme:

Is the utility mapping physically verified before excavation — not desk-study only? Is the setting-out engineer directly employed with full programme continuity? Is the control network specification agreed with the structural engineer before the first peg goes in? Is there a monitoring strategy in place for structures adjacent to the excavation area?