SFA PilingLonnen Road
Wimborne, Dorset
- Completed
- February 2026
- Pile type
- 300mm SFA Injected Piles
- Number of piles
- 26 pile positions
- Load
- 70-250kN per bearing pile
- Time on site
- ~4 weeks
in Dorset, Bournemouth and Poole
For Dorset the example we have written up in full is Lonnen Road in Wimborne, a private residential scheme where we installed the piles and built the ground beams as a single programme.
Dorset, Bournemouth and Poole
24h Quotation
Fixed Pricing
£5M Insured
12yr Warranty
It ran for about four weeks. Treat it as one example, because only some of our jobs appear on this site and our family's piling experience goes back over 20 years. The Southampton office is the nearest of our three to Bournemouth, Poole and the rest of the county.
Regional Offices
- SouthamptonNearest15 Rockstone Place
Southampton, SO15 2EP 023 9433 1836 - London (HQ)Office 511, 60 Tottenham Court Rd
Fitzrovia, London, W1T 2EW 020 4634 5936 - LeatherheadTwo Firs, Calvert Road
Effingham, KT24 5SG 01372 236377
REAL JOBS
Piling Dorset: 26 injected piles at Lonnen Road, Wimborne
We were appointed for the complete foundation package at Lonnen Road: SFA piling and reinforced concrete ground beams, managed together. The piling was 26 sectional flight auger piles at 300mm diameter, installed by injection. Design working loads ranged from 70kN to 250kN.
Each position was installed to the engineer's specification and checked by sonic integrity testing. The ground beams came next: 98 linear metres at 600mm by 450mm and 19 linear metres at 450mm by 450mm, 117 linear metres in total.
The beams incorporate 220mm Cellcore and 75mm Heaveguard as protection against heave. Concrete cubes were tested as part of the quality checks. The package was handed over ready for the next trade, with the testing documents and quality records complete.
Lonnen Road is a fair measure of a mid-sized job: 26 piles, two beam sizes, two kinds of heave protection and two kinds of testing, all inside one programme of about four weeks.
- SFA Piling
METHODS
Mini piling Dorset: how injected SFA piles work
SFA piling is one of our mini piling methods. The auger is made of short sections, one to two metres long, added one at a time as the hole deepens. Depth is therefore not limited by the height of the rig.
There are two ways to form the pile. In an open bore we drill, withdraw the auger and fill the hole. With injection, the method used at Wimborne, the concrete is pumped through the auger as we go. SFA piles reach 15m or more and carry up to 400kN each, subject to the ground and the engineer's design.
The same compact rigs keep transport simple and leave less of the site to make good afterwards. Sectional rigs also work under low headroom, from 2.4m, which opens up places a full-height rig cannot enter.
Our services: Mini pilingCFA pilingSFA pilingSCD pilingScrew pilingFoundations
GROUND CONDITIONS
Ground in Dorset
We have to be straight about this section. The Wimborne write-up records the piles, the beams and the testing, but it does not describe the soil that was met. We are not going to fill that gap from a textbook.
What the record does show is how the foundation was detailed: piles formed by injection, and beams protected with 220mm Cellcore and 75mm Heaveguard. Heave protection is fitted where the design calls for it, to guard against ground movement, and that is as much as we can fairly read from it. When more Dorset jobs are written up, their ground will be described here. Until then, your own ground investigation report is the right source, and we will read it before we recommend a method.
WHO WE WORK FOR
Piling companies Dorset: one contract for piles and beams
Wimborne shows the arrangement we recommend to builders, developers, groundworkers and engineers in Dorset: one contractor for the piles and the concrete. Splitting them between two firms invites delay and argument over who is responsible when something is out of place.
Multi-plot housing, commercial buildings and programmes of several weeks are the subject of this page. Our written-up job in Buckingham is a multi-plot scheme of 244 CFA piles with over 417 linear metres of beams, built in about ten weeks. If you have a Dorset scheme of that kind, send us the drawings.
Start by sending your drawings. If you have a structural engineer's design we work to it, and if you do not, we can provide a pile and foundation design of our own.
At the end you receive the pile logs and concrete records that Building Control will want to see, along with the warranty and insurance documents.
Towns we cover in Dorset
- Wimborne is where our Dorset job is, at Lonnen Road.
- Bournemouth is covered; our written-up Dorset job is at Wimborne.
- Poole is covered, and Lonnen Road in Wimborne is the Dorset job shown here.
- Dorchester is covered, and the Southampton office takes the call.
DORSET FAQ
Frequently Asked Questions
The one written up on this site is Lonnen Road in Wimborne, where we installed 26 SFA injected piles at 300mm diameter and built 117 linear metres of reinforced concrete ground beams for a private residential scheme. The package took about four weeks.
Have a question not listed here?
Call our teamENQUIRY FORM
Send us your Drawings
Attach the drawings if you have them.
DIRECT CONTACT
Our Offices
Three offices. Call whichever suits you.
Regional Offices
- SouthamptonNearest15 Rockstone Place
Southampton, SO15 2EP 023 9433 1836 - London (HQ)Office 511, 60 Tottenham Court Rd
Fitzrovia, London, W1T 2EW 020 4634 5936 - LeatherheadTwo Firs, Calvert Road
Effingham, KT24 5SG 01372 236377
Mon - Fri: 7:00am - 6:00pm