RFP GK 021120 Addendum 4.pdf

SSM Addendum No. 4 Page 1 of 1 9/17/20

Seismic Safety and Modernization (SSM) and Transit Hub and Utility Project (THUP)

RFP No. GKO21120

Addendum No. 4

September 17, 2020

1. (No Update on Item #1) The bid due date has been extended to Monday, 28 September 2020, at 12:00 PM.

2. Clarification to Sheets G-003, G-004 and G-005 are as follows:

"Replace the Site Scope Notes on sheet G-003, G-004 and G-005 as follows:

THUP A: Two new site retaining walls at bus stop and lower parking lot area. Site excavation, demolition and utility relocation required for the construction of the two new retaining walls. Site backfill and compaction at the new building entrance. Rough site grading of improvements.

SSM A: Remediation and demolition of the existing Building 54, including demolition and capping of existing utilities. Retaining Walls for building. Retaining Wall at loading dock. Demolition and removal of the existing B70 / B70A loading dock retaining wall.

Excavation, backfill and rough grading at the building.

THUP B: Demolition and installation of all new site utilities and equipment five feet outside the new building footprint. Site demolition, clearing and grubbing, rough and final site grading, site walls and planters. Transit Hub or bus stop. Removal and replacement of site light poles, flag poles and signage. Site irrigation and landscape.

SSM B: New Building including shear walls and foundations. Final grading for building.

New and resurfaced sidewalks, paving and pavers at site. Refurbishment of existing stairs and railings, new stairs and railings and site railings. Seismic upgrade of B48”.