Tender Summary

The Pirbright Institute Brooksby Building - SIL 1 Water Supply Shutdown System

Buying Organisation

THE PIRBRIGHT INSTITUTE

Contract Value

£60,000 to £65,000

Suitable for SMEs

Yes

Suitable for VCSEs

Yes

Tender Description

Following a Layers of Protection Analysis (LOPA), The Pirbright Institute requires the design of a safety system that detects flooding of the drainage system in the building. The system subsequently responds by shutting down the building water supply system. As per Functional Safety standards IEC 61508 and IEC 61511, Pirbright requires this system to be reliable to Safety Integrity Level (SIL) 1. Safety Requirement System (SRS) attached at the back of this document for more detail.

Pirbright expects that the designer will have good awareness of the above-mentioned functional safety standards, and to be able to carry out their activities in adherence to the functional safety lifecycle phases as per IEC 61511. A non-exhaustive list of typical deliverables for such a project is as follows:

Data sheets for all sensing elements (e.g., level switch), logic solvers and all final elements (e.g., valves)
Bill of Materials (BoM) for all materials and accessories to be purchased
Quotations for all required materials
Functional logic diagrams (if required)
I/O lists
Functional Design Specifications (FDS)
Loop diagrams
Instrument wiring diagrams
Electrical wiring diagrams
Control panel layout and drawings
Safety Integrity Level (SIL) Verification report
SIL certifications for all relevant hardware (if available)
Factory Acceptance Test (FAT) procedures
Site Acceptance Test (SAT) procedures
Safety Instrumented System (SIS) installation plan
SIS validation plan
Safety manuals
Proof test procedure
Spare parts list
Assets' register ready for upload to Pirbright Computerised Maintenance Management System (CMMS).

Tender categories (products & services required)

Construction-site supervision services (CPV 71521000)
Construction consultancy services (CPV 71530000)
Consulting services for water-supply and waste consultancy (CPV 71800000)

Region

United Kingdom (UK)

Buyer Information