II.1)
Scope of the procurement
1 Basin Caisson - Cofferdam, Masonry Repairs, Installation
Reference number:
WAT0042-04
45244000
-
Marine construction works
Works
II.1.4)
Short description
Proposed to replace the existing caisson to 1 Basin. Proposed works to be undertaken as per the design and surveys approved with Historic England and Crown Estates.
For full list of Civils work required see section II.2.4 for full information.
II.1.5)
Estimated total value
Value excluding VAT: 3000000.00
GBP
II.1.6)
Information about lots
This contract is divided into lots:
no
II.2.2)
Additional CPV code(s)
45244000
-
Marine construction works
II.2.3)
Place of performance
NUTS code:
UKJ31 -
Portsmouth
Main site or place of performance:
Portsmouth
II.2.4)
Description of the procurement
Proposed to replace the existing caisson to 1 Basin.
Proposed works to be undertaken as per the design and surveys approved with Historic England and Crown Estates.
Install perimeter CPNI fencing to secure the site for the duration of the project. Installation of temporary cofferdams to the East and West that will not impact the historic fabric.
Dewater and inspect and survey the 1 Basin stonework.
Monitor historic seawalls and ground water levels during the works.
Undertake stone wall repairs in accordance with Historic England detail specification and approval.
Replace the penstock gate with electric operated replacement with civil works and electrical supply required to operate.
Demolition and removal of the existing caisson constructure to 1 Basin.
Repairs to the caisson groove and prepare for replacement caisson arrival (by others) removal all structural supports.
Remove and survey the condition of the road bridge.
Repair works to the sill and stone repairs to match the existing structure to the detailed specifications to Historic England specification. Install a temporary foot bridge during the project.
Refurbishment and load testing of fairleads and bollards and leave in full working order for ongoing operations.
Clean, survey and remedial repairs to historic brickwork culvert after dewatering. Remove the temporary cofferdams and refit road bridge after caisson has been replaced and all works to the bridge has been completed.
Price is not the only award criterion and all criteria are stated only in the procurement documents
II.2.7)
Duration of the contract, framework agreement or dynamic purchasing system
Duration in months:
25
This contract is subject to renewal:
no
II.2.10)
Information about variants
Variants will be accepted:
no
II.2.11)
Information about options
Options:
no
II.2.13)
Information about European Union funds
The procurement is related to a project and/or programme financed by European Union funds:
no