PROVISIONAL SUM
An item of work that cannot be fully quantified or priced at a point in time.
DEFINED PSUM
Works are described enough to allow the contractor to make allowances in their programme and prelims.
UNDEFINED PSUM
Works are not in sufficient detail for the contractor to allow within their programme. Contractor can claim for extra time / prelims.
BUILDING REGULATIONS (2010)
Official legal requirements for building works in the UK.
BASE DATE
Usually 10 days before the tender return date i.e., when prices were obtained.
PART M
Access to and use of buildings
PART B
Fire Safety (updated in 2022)
PART L
Conservation of Fuel and Power
PART F
Ventilation
RISK REGISTER
Schedule of identified risks
TENDERING
The process of generating quotes from suppliers / contractors who submit with the aim of wining work, under competition or negotiation.
FORM OF TENDER
Formal acknowledgement that the tenderer understands the project and accepted the tender conditions.
OPEN TENDERING
An advert is put out. Contractors express their interest. Little to no barrier to entry, so anyone can submit a tender.
SELECTIVE TENDERING
Selecting a shortlist from contractors who are deemed suitable for the job.
SINGLE STAGE
A fully competitive tender where all design information is complete before issue. Contractors submit a lump-sum price based on full drawings/specs.
Two-Stage Tendering
A tender process split into two parts:
Stage 1: Contractor selected based on prelims, OH&P, programme, and team fit.
Stage 2: Contractor works with design team to develop and agree the final price (often under a PCSA).
Negotiated Tendering
A direct negotiation with one preferred contractor (no competition) to agree price, terms, and programme.
Serial Tendering
Tendering based on a schedule of rates or priced project that is then re-used for similar future projects.
PARENT COMPANY GUARANTEE
Where a parent company of a subsidiary guarantees the performance of the subsidiary company, and steps in working towards the same PC date and cost.
PERFORMANCE BOND
A method of protection to the client should a contractor fail to fulfil their contractual obligations.
ON DEMAND BOND
The bondsman pays an amount of money from the bond immediately, without needing evidence that the contractor is not performing, or that the client has suffered financial loss.
CONDITIONAL BOND
The client must provide evidence that the contractor is not performing as per their obligations under the contract.
ADVANCE PAYMENT BOND
Client has agreed to advanced payments within the contract and secures these against any default by the contractor.
MATERIALS OFFSITE BOND
Protects the client against loss of offsite materials that they have paid for.