TA1-EA 02.01233 - TA1-02.01233 - PT CPSB Installation, Load Transfer & Monitoring

This is a 2 Envelope Tender - refer to Part A - Instructions to Bidders.

The Scope of Services for this Lump Sum Tender Package is for the selection of a Construction Phase Sliding Bearings (CPSB) Installation, Load Transfer, and Monitoring Subcontractor with the 
required experience and qualifications to meet and/or exceed the requirements of the drawings and specifications at Part C - Tender Package Documents (not published to MERX.)
 
As set out in the Tender Documents, this Subcontractor’s scope includes but is not limited to all: 
labour, material, equipment, and supervision required to complete the following: 

1. Supply, fabrication and installation of steel spacers and associated accessories.
2. Supply and install all grout required for spacers.
3. Installation of CPSB.
4. Load transfer and management to CPSB (using specified jacks).
5. Monitoring for the duration of the excavation and below grade new structure.  

• Load transfer must be controlled to ensure that the Peace Tower stays within specified tolerances.. These tolerances must be maintained for the following: underground works; not limited to but including, shoring, rock excavation, rock support, new concrete works from level B3 to level 1. Refer to Part E – Preliminary Schedule.
• The CM reserves the right to obtain pricing from this bidder for the transfer of load from the CPSBs to the permanent base isolators and complete removal of jacks and all associated jacking equipment after permanent load transfer. This is excluded from the current tender and may be priced separately at a future date.  
• The load transfer must be closely coordinated with monitoring requirements. Devices are to be installed and calibrated to create a baseline for 14 calendar days and proof of concept must be reviewed and approved by the CM in advance of the complete Peace Tower load transfer to the CPSB.
• Refer to Part A – Instructions to Bidders - 36.0 Temporary Power, sub-item 36.2. This subcontractor to submit any special power requirements to the CM.
• This Subcontractor’s specific scope includes, but is not limited to the following:
• Provide detailed engineered load transfer plan complete with shop drawings, and a detail of jacking hardware & software. The load transfer plan and procedures must be based on the specifications. 
• Supply, install, operate, and monitor up until load transfer to CPSB is complete and stable. Post load transfer adjustment and/or maintenance will be as required by service call and paid for by unit price as described in Part D – Envelope 2 – Price - Appendix D -  Separate Prices. Correction must be within a 24-hour window for response time from call.
• Provide an engineered plan for approval for maintaining jacks and monitoring equipment in accordance with the current project schedule. Must include the ability to remove and replace flat jacks if required.
• Maintaining jacks and monitoring equipment in accordance with manufacturer’s recommendations. Jacks need to remain live with the Automatic Data System (ADS) which must include real time notifications submitted to the monitoring team. Automatic Data System is defined in the Tender Specific Definitions included at Part A – Instructions to Bidders Definitions.
• Supply any specialized jacking system equipment.
• The jacking software must be compatible with the monitoring software to enable seamless tracking of jack load relationships alongside other monitoring data. This integration ensures accurate assessment of raft movements, including verticality and rotation.
• Incorporate data received from monitoring to allow for appropriate required adjustments and maintenance, as directed by the CM.
• Provide additional base plates and maintenance jacks as required for flat jack replacement in the event of failure. Bidder to include pricing of minimum four (4) temporary jacks for replacement and five (5) spare flat jacks on standby.
• All wiring materials to interconnect all groups of CPSB into one networked data collection system.
• Bidder to include for all electrical connections, pre-design, startup debugging and support for monitoring equipment for the duration in accordance with Part E - Preliminary Schedule.