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Request for Qualifications (RFQ) for Architectural & Engineering Services for the restoration of Seattle City Hall Plaza. Scope includes eliminating water intrusion, material removal and restoration, and modernizing elevators.
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Request for Qualifications (RFQ)Architectural & Engineering Services for Seattle City Hall Plaza RestorationCDCM #2019-01 Presubmittal Conference June 12, 2019 Finance and Administrative Services
TimetableRFQ Releas e June 5Presubmittal Conference June 12Questions Due by June 19Sealed Submittals Due to the City June 26, 2:00pmNotification for Interview June 28Interviews July 2Announcement of Selection July 5 Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Deliver To: Questions To: ryan.kennedy@seattle.gov Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
ScopeEliminate water intrusion at the west plaza areaRemove material, construct, and restoreSingle document packages for a single public works project with multiple construction phasesOccupied buildingPredesign completed 3/29/19 by Miller Hayashi ArchitectsMACC is $3,000,000 Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Estimated Project Schedule ScopeModernize and replace one passenger elevatorModernize and replace freight passenger elevatorSeparate document packages for two public works projectsOccupied buildingPredesign completed 3/8/19 by ARC ArchitectsMACC is $1,772,000 Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Predesign FindingsThe findings of the latest investigation generally confirm the construction assemblies indicated in the record as-built documents, and general conclusions are as follows:-The leaking appears to be caused primarily due to the lack of a continuous waterproofing membrane system and flashing as designed in the original construction drawings.-The waterproofing system consists of water-repellent ad-mixture (Caltite) has proven to be an ineffective water resistive barrier.-Deficiencies in the existing under slab drainage assembly, and detailing of subsequent repair attempts, appear to further contribute to the water infiltration issues. Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Scope of ServicesIn order to completely address the water infiltration issues, it is the recommendation of the “Plaza Water Infiltration Investigation Report” dated March 29, 2019, that a properly detailed waterproof membrane assembly be installed throughout the plaza, planters, and fountain. Scope to accomplish this will require, at a minimum, the following:-Removal of all concrete paving, stone pavers, and landscaping, and underlying materials, down to the structural concrete slab, throughout the plaza, planters, central stair, and fountain.-Removal of stone wall veneer at the building a minimum 12” above topping slab elevation to tie waterproofing into existing wall weather barrier system.-Installation of a membrane waterproofing system with flashing and drain mat throughout.-Installation of a fully soldered stainless-steel pan along the length of the exterior fountain.-Modification of drains to reduce the accumulation of water at the structural slab.-Reinstallation or replacement of hardscapes, stone veneer, and landscaping to match existing. Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Scope of ServicesThe selected Prime Consultant will develop the design steps required to implement the selected predesign option in a single package with multiple construction phases. It is anticipated this assignment will ultimately require the following subconsultant services, but the level of information and the scope of each subconsultant involvement shall be established by selected consultant as approved by FAS CDCM. Prime Consultant –Basic Design Services (architectural) Civil Engineering Electrical Engineering Exterior Envelope Consultant Cost Estimation Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
RFQ Additional ContentConsultant qualifications Form of contract On-line business registry How to email questions City changes by Addendum See E-bid for Addenda MWBE subcontracting Insurance requirements Submittal requirements 20 pages, double sided Inclusion Plan 3 hard copies Evaluation Criteria Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
TimetableRFQ Releas e June 5Presubmittal Conference June 12Questions Due by June 19Sealed Submittals Due to the City June 26, 2:00pmNotification for Interview June 28Interviews July 2Announcement of Selection July 5 Seattle City Hall Plaza Restoration June 12, 2019 Finance and Administrative Services
