Published date: 11 February 2021
Closed opportunity - This means that the contract is currently closed. The buying department may be considering suppliers that have already applied, or no suitable offers were made.
Contract summary
Industry
Radiation monitors - 38341600
Location of contract
Any region
Value of contract
£26,000
Procurement reference
tender_261959/924798
Published date
11 February 2021
Closing date
25 February 2021
Closing time
12pm
Contract start date
26 February 2021
Contract end date
25 February 2022
Contract type
Supply contract
Procedure type
Open procedure (below threshold)
Any interested supplier may submit a tender in response to an opportunity notice.
This procedure can be used for procurements below the relevant contract value threshold.
Contract is suitable for SMEs?
Yes
Contract is suitable for VCSEs?
No
Description
Public Health England (PHE) is seeking to purchase hand-held contamination monitors and multi-purpose survey meters. The equipment will be used to perform alpha and beta contamination survey applications and performing low-level survey applications in the outdoor environment. The hand-held monitor and survey meters must consist of the detector (probe) attached to a compatible portable scaler/rate-meter via a connecting cable and meet the following mandatory features.
The probe must:
- Be lightweight (<500 g)
- Be able to operate in outdoor temperatures at least between -10 to +40°C.
- Have alpha and beta-gamma measurement capabilities
- Utilise a ZnS:Ag plastic scintillator to provide maximum detection efficiency.
- Have a uniform response across the active area.
The GM probe must:
- Be lightweight (less than 500 g)
- Be portable, not exceeding dimensions of 350 mm x 50 mm (Length x Diameter).
- Be able to operate in outdoor temperatures ranging between at least -10 to +40 °C.
- Be energy-compensated for a relatively flat H*(10) energy response (within +/- 30% when normalised to 137Cs) over the range of 60 keV to 1.2 MeV.
- An isotropic response.
- Have a response to 137Cs of at least 14 cps/µSv h-1 H*(10).
The hand-held monitor and survey meter must:
- Be compatible with the above probe.
- Be lightweight (less than 200 g) and ergonomically-designed for measurements in the field.
- Be supplied with rubber 'bump' protection to minimise damage during handling in the field.
- Have ingress protection suitable for outdoor use.
- Be portable (hand-held), not exceeding dimensions of 125 x 70 x 70 mm (H x W x L).
- Be able to operate in outdoor temperatures ranging between at least -10 to +40 °C.
- Be designed to work with standard 'off the shelf' standard-size batteries (alkaline and/or rechargeable), providing at least 500 hours of operation (assuming the backlight is off), and provide a battery indication.
- Have various modes of operation, including count-rate (cps) and integrated-counts modes (scaler/timer) with both preset-count and preset-time, as well as a dose-rate mode (µSv/h).
- Have an adjustable High-Voltage (HV) supply over the range of 400 to 1000 volts.
- Have an inbuilt probe library that stores settings for multiple probes, including HV, calibration factor, dead-time correction, and overload threshold.
- A digital numeric display.
- A backlight facility.
- An audible response of count-rate and dose-rate with adjustable alarm thresholds.
The complete instrument 'kit' must be supplied with a robust weatherproof storage/transport case which houses the complete kit of probe, survey-meter, tripod, and accessories.
If you feel that you can meet the above requirements or would like more information, then please contact Aysel Sarzosa (Aysel.Sarzosa@phe.gov.uk)
The closing date and time for any queries is 25 February 2020 at 12:00 pm.
About the buyer
Address
61 Colindale Avenue, Colindale
London
NW9 5EQ
England
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Closing: 25 February 2021, 12pm
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