Description

PLEASE NOTE THAT THE BID DATE HAS BEEN CHANGED

The Project includes the demolition of existing concrete pavement and associated structures on a roof top plaza and the construction of a new roof top plaza. The Work includes General Requirements, installation of concrete curbs and walkways, porous unit pavers, steel arch and arbor pieces and associated foundations, site lighting and associated electrical distribution, wood decking, drip irrigation, installation of special soil mixes, and other related site improvements. Owner furnished items to be installed by the Contractor shall include white oak decking boards to be installed at new deck (structure and framing to be provided and installed by the Contractor), and Type 1, Type 2 and Type 3 planters as indicated in the Documents. The existing structure below the plaza grade pavement is composed of the Garrigus Building basement roof, and existing roof membrane, protection board, and stone which serves as the drainage medium for the roof as well as the base for the existing pavement to be removed. As-Built drawings of the structure and roof below the plaza have been included in the set for the Contractor’s reference only. The Base Bid includes Allowance No. 1, a the lump sum of $20,000 for locating existing roof top drains, remove existing stone / drainage fill within a 24” diameter around drain perimeter and replace with new, washed #57 drainage fill. Prior to replacing stone, each drain shall be water tested to verify it is free draining and functioning properly. All damaged roof strainers shall be replaced- replacement of 10 of the existing roof strainers is included in the lump sum allowance. The Project also includes two additive alternates: Additive Alternate No. 1 includes: addition of full removal of all existing roof stone, protection board and membrane, and installation of new roof membrane, protection board and clean, washed #57 drainage fill as indicated in the Documents. Additive Alternate No. 2 includes: new waterproofing and recoating over existing coating at north pedestrian bridge and north stairs as indicated in the Documents. Base bid condition leaves existing coatings at north pedestrian bridge and north stairs unchanged.