Supply and Installation of Biomass Boiler

Supply and Installation of Biomass Boiler

WCBC wish to remove the existing gas boilers and install a circa 750 kW wood pellet boiler to serve the space heat demand of the building.

United Kingdom-Wrexham: Commissioning of heating installations

2015/S 014-020771

Contract notice


Directive 2004/18/EC

Section I: Contracting authority

I.1)Name, addresses and contact point(s)

Wrexham County Borough Council
Ruthin Road
Contact point(s): Housing, Public Protection and Environment
For the attention of: Renia Kotynia
LL13 7TU Wrexham
Telephone: +44 1978315514

Internet address(es):

General address of the contracting authority:

Address of the buyer profile:

Electronic access to information:

Electronic submission of tenders and requests to participate:

Further information can be obtained from: The above mentioned contact point(s)

Specifications and additional documents (including documents for competitive dialogue and a dynamic purchasing system) can be obtained from: The above mentioned contact point(s)

Tenders or requests to participate must be sent to: The above mentioned contact point(s)

I.2)Type of the contracting authority

Regional or local authority

I.3)Main activity

Housing and community amenities

I.4)Contract award on behalf of other contracting authorities

The contracting authority is purchasing on behalf of other contracting authorities: no

Section II: Object of the contract


II.1.1)Title attributed to the contract by the contracting authority:

Biomass Boiler at Redwither Tower.

II.1.2)Type of contract and location of works, place of delivery or of performance

Main site or location of works, place of delivery or of performance: Wrexham.

NUTS code UKL23

II.1.3)Information about a public contract, a framework agreement or a dynamic purchasing system (DPS)

The notice involves a public contract
II.1.4)Information on framework agreement

II.1.5)Short description of the contract or purchase(s)

Redwither Tower is an office building owned by Wrexham County Borough Council (WCBC) which provides commercial office space to a number of businesses in Wrexham. Redwither Tower is located within Wrexham Industrial Estate, it is a 4-storey building which has a current occupancy of approximately 50 % although WCBC plan to increase occupancy to 100 % over the next few years. The total heated floor area of the building is 17 000 m².
Space heating is currently supplied throughout the building by 3 x 1.2MW gas boilers. Domestic hot water throughout the building is supplied by local point of use electric water heaters. The gas boilers and all plant equipment are housed in a plant room on the ground floor.
WCBC wish to remove the existing gas boilers and install a circa 750 kW wood pellet boiler to serve the space heat demand of the building, in order to reduce carbon emissions at the site and to benefit from the Renewable Heat Incentive. DHW will continue to be supplied by the existing electric point of use water heaters which will be retained in place.
The new biomass boiler system will be located within the existing ground floor plant room. 2 new circa 1.2-1.5MW gas boilers will also be installed within the plant room following removal of the existing gas boilers. The new gas boilers will provide auxiliary heating. Heat will be distributed around the building via the existing heat distribution network which includes 12 local plant rooms (four local plant rooms on each of the 1st, 2nd and 3rd floors).The scope of work involves the supply and mechanical and electrical installation of the biomass boiler with fuel feed system, thermal stores, flue and all ancillary equipment inside the existing plant room. The works also include the removal of the three gas boilers and all associated pipe work and equipment from the existing plant room and the installation of 2 new gas boilers and flues for auxiliary heat. The works also include the supply and installation of an external wood fuel store including all foundations and penetrations for fuel augers.

Note: The authority is using eTenderwales to carry out this procurement process. To obtain further information record your interest on Sell2Wales at

II.1.6)Common procurement vocabulary (CPV)

50721000, 39715200, 44621200, 42160000

II.1.7)Information about Government Procurement Agreement (GPA)

The contract is covered by the Government Procurement Agreement (GPA): yes


This contract is divided into lots: no

II.1.9)Information about variants

Variants will be accepted: no
II.2)Quantity or scope of the contract

II.2.1)Total quantity or scope:

5 month contract from April-September to deliver the requirements as detailed within the Invitation to Tender.

II.2.2)Information about options

Options: no

II.2.3)Information about renewals

This contract is subject to renewal: no

II.3)Duration of the contract or time limit for completion

Starting 27.4.2015. Completion 25.9.2015

Section III: Legal, economic, financial and technical information

III.1)Conditions relating to the contract

III.1.1)Deposits and guarantees required:

Guarantee Bond. Detail of the Bond is attached to the e-tender.
III.1.2)Main financing conditions and payment arrangements and/or reference to the relevant provisions governing them:
III.1.3)Legal form to be taken by the group of economic operators to whom the contract is to be awarded:

III.1.4)Other particular conditions

The performance of the contract is subject to particular conditions: no
III.2)Conditions for participation

III.2.1)Personal situation of economic operators, including requirements relating to enrolment on professional or trade registers

Information and formalities necessary for evaluating if the requirements are met: Please refer to Invitation to Tender for details of these requirements.

III.2.2)Economic and financial ability

Minimum level(s) of standards possibly required: Please refer to Invitation to Tender for details of these requirements.

III.2.3)Technical capacity

Minimum level(s) of standards possibly required:
Please refer to Invitation to Tender for details of these requirements.
III.2.4)Information about reserved contracts
III.3)Conditions specific to services contracts
III.3.1)Information about a particular profession
III.3.2)Staff responsible for the execution of the service

Section IV: Procedure

IV.1)Type of procedure

IV.1.1)Type of procedure

IV.1.2)Limitations on the number of operators who will be invited to tender or to participate
IV.1.3)Reduction of the number of operators during the negotiation or dialogue
IV.2)Award criteria

IV.2.1)Award criteria

The most economically advantageous tender in terms of the criteria stated in the specifications, in the invitation to tender or to negotiate or in the descriptive document

IV.2.2)Information about electronic auction

An electronic auction will be used: no
IV.3)Administrative information

IV.3.1)File reference number attributed by the contracting authority:

IV.3.2)Previous publication(s) concerning the same contract
IV.3.3)Conditions for obtaining specifications and additional documents or descriptive document

IV.3.4)Time limit for receipt of tenders or requests to participate

25.2.2015 – 17:00
IV.3.5)Date of dispatch of invitations to tender or to participate to selected candidates

IV.3.6)Language(s) in which tenders or requests to participate may be drawn up

IV.3.7)Minimum time frame during which the tenderer must maintain the tender
IV.3.8)Conditions for opening of tenders

Section VI: Complementary information

VI.1)Information about recurrence
VI.2)Information about European Union funds

VI.3)Additional information

(WA Ref:21414).
VI.4)Procedures for appeal
VI.4.1)Body responsible for appeal procedures
VI.4.2)Lodging of appeals
VI.4.3)Service from which information about the lodging of appeals may be obtained

VI.5)Date of dispatch of this notice: