Transport for London · Awarded contract

Awarded

Supply of Capacitor Units for Signalling Track Circuits on Piccadilly Line and 4LM

Awarded 02 May 2022

View live tenders

Awarded02 May 2022

Value£1,301,250.00

SupplierAPI Capacitors Limited,

AgencyTransport for London

RegionLondon

CategoryTransport & Logistics

Ended 3y ago1y 6mo term

Awarded 2 May 2022Expired 1 Nov 2023

About

Transport for London awarded a contract to API Capacitors Limited for the supply of capacitor units for signalling track circuits on the Piccadilly Line and 4LM.

The contract value is £1,301,250.

Similar open tenders12

Traffic Signals Works Framework – Nottingham City CouncilInfrastructure

03 Dec 2026

Proactive Replacement of 10 Streetlighting Units in Winscombe, North SomersetInfrastructure

30 Nov 2026

Design Services for TRU Upgrades at Heaton Train Care Centre – Northern Trains LtdTransport & Logistics

09 Nov 2026

University Electrical and Data Installation, Maintenance and Minor Works – Projects up to £150kConstruction

10 Nov 2026

Local Bus Services Contracts (6 Lots) — 2‑Year Term Starting 28 Feb 2027Transport & Logistics

02 Dec 2026

Supply of Electric Land Train Locomotive and Three Passenger Carriages – Swansea Bay PromenadeTransport & Logistics

23 Nov 2026

Supply of Two Road-Rail OHLE Maintenance Vehicles for South Yorkshire SupertramTransport & Logistics

30 Nov 2026

Cirrus Consortium 4-Year Materials Supply Framework – Building, Plumbing, Electrical, Highways, Painting, Tool Hire & Managed Services (Start Jan 2027)Construction

09 Nov 2026

Balconies Dynamic Purchasing System — London & Quadrant Housing TrustConstruction

28 Jun 2027

Traffic Signal Equipment Supply, Maintenance and Civil Works Framework – East Dunbartonshire CouncilInfrastructure

12 Nov 2026

Groundworks, RC Frame, Piling and External Works Subcontractors for London & Quadrant Self‑Delivered New Build Projects (Dynamic Purchasing System)Construction

18 Aug 2031

Door Entry Phased Replacement Programme 2026-27 – Audio Access Control Installation for 40 Low and Medium Rise Blocks (London Borough of Hillingdon)Public Safety & Security

26 Nov 2026

Other similar contracts12

Changeover of Capacitor Units for Signalling Track Circuits under TfL-93456 Framework AgreementTransport & LogisticsTrack, Protection and Signalling Limited,

$1,128,120

Supply of Filter Capacitors for 92 Train Stock Heavy Overhaul ProjectTransport & LogisticsAPI Capacitors Ltd

$410,130

Supply of Signalling Equipment, Services and Software Support for London UndergroundTransport & LogisticsSiemens Mobility Limited,

$24,500,000

Track Circuit Conversion at Northumberland Park Signalling Depot for VLU2 ProgrammeTransport & LogisticsSiemens Rail Automation Limited

$825,156

Signalling System Modification for London Underground by SiemensTransport & LogisticsSiemens Rail Automation Holdings Ltd

$16,823,545.43

Provision of Multiple Signalling Resources for Transport for LondonTransport & LogisticsTrack, Protection and Signalling Limited,

$3,061,664

Provision of Signalling Resources to Transport for London Under TfL-93456 FrameworkTransport & LogisticsTrack, Protection and Signalling Limited,

$1,200,000

4LM Wayside Implementation for Transport for LondonTransport & LogisticsSIGNALLING INSTALLATION & MAINTENANCE SERVICES LTD

$500,000

Upgrade of Four SSR Cab Simulators for Four Lines Modernisation ProgrammeTransport & LogisticsSydac Ltd

$1,260,400

Piccadilly Line Signals Life Extension Works (Packages 1-10) Awarded to Kelly Integrated Transport ServicesTransport & LogisticsKelly Integrated Transport Services Limited

$1,904,206.96

Signalling Asset Engineering and Technical Support Contract Awarded by Transport for LondonTransport & LogisticsPCG Associates Limited,

$250,000

Engagement of Signalling Design Engineers for BCUP by Transport for LondonConsultancy & LegalArk Signalling Consultancy Ltd

$483,000

Unlock the full platform.

7 days free, then £36/GBP per month. Cancel anytime.

What you get

Find

Find transport and logistics tenders in London in one place.

We monitor central, devolved and local government portals in near real time and update the feed as tenders are published, so you check one place instead of many.

Search by keyword, or describe your workType a keyword, or switch to AI search and say what your business does.

Narrow it downFilter by category, region and area, or view open tenders on a map.

Alerts

Open tenders like this contract, sent to you.

Tell us what you are looking for and we email you when a matching tender is published.

Set it up your wayUse keywords, a description of your work, a location or a distance from a postcode. Up to 10 alerts.

Instant or dailyGet an email when a match is published, or one summary a day.

Assess

Size up a tender in minutes.

Before you open a single document, get the requirements, a likely value and who you would be up against.

Requirements from the documentsWho can bid, mandatory criteria, how it is scored, insurance and key dates, each with its source.

Value and competitionAn estimated value from similar awarded contracts, and the suppliers most likely to bid.

Market

Follow API Capacitors Limited, and get alerts when they win again.

Awarded contracts with the supplier and the value, so you can check prices, spot competitors and find work that is coming back to tender.

Supplier and buyer profilesWhat each one has won or awarded, who they work with, and how that is changing.

Contracts ending soonTerms that finish in the next 12 months, which often go back out to tender.

Pipeline

Track your bids from interested to won.

Save a tender in one click and move it through each stage as you work on it.

Work as a teamInvite colleagues so you work from the same list.

Take it with youExport tenders and matches to CSV.

GovBot

Ask a question in plain English.

Find tenders, look up a supplier, or check who won a contract. Just type what you need.

Get started

Get transport and logistics tenders in London by email.

Find the tender, size it up and track the bid, in one place.

7 days free, then £36/GBP per month