. QP #01 - Concrete Repairs a. This quote will be for a single quote package. All scope necessary to meet the requirements of this quote document, project drawings, and contract documents will be the responsibility of this contractor unless specifically identified otherwise. b. Contractor may shutdown one entire stairwell at a time. Access shall be maintained to the elevators throughout construction. The Construction Manager will provide a covered walkway via scaffolding at the elevated walkway from the stairwell to the parking ramp in order to protect pedestrian traffic. Scaffolding may be utilized as a work surface for overhead work. c. Work associated with Alternate #02 shall be performed over a weekend. The entire stairwell will be shut down to pedestrian traffic over the weekend to allow for application and curing. d. Contractor shall coordinate with the Owner supplied third-party consultant for all construction materials testing and observations as required in the project documents. e. Contractor shall provide product data and manufacturer installation instructions for all proposed products for review and approval by the design engineer. Substitution requests will be considered for equivalent products if submitted prior to the questions due date. f. Contractor shall be responsible for providing temporary restroom facilities. Coordinate with the Construction Manager and State of Iowa on temporary restroom locations. g. Where potential conflicts may occur with existing conduits, the contractor shall confirm and notify the Construction Manager a minimum of 5 business days in advance if work is required to temporarily relocate the conduit. h. Contractor will be allowed to work on one level at a time. Stairs at levels below the current area of work will remain open to pedestrian traffic, unless shoring is required at that level for work above. Contractor shall provide provisions necessary to protect areas below where work is taking place to ensure tools, equipment, and debris does not fall to levels below. i. This contractor shall be responsible for all concrete removals, patching, and repairs as identified on the contract documents. This shall include, but not be limited to, stair tread replacement, overhead spalling repair, and horizontal spalling repair. j. Contractor shall clean exposed rebar and steel and coat prior to repairs. This shall include sandblasting of exposed steel where identified. k. At the stair tread replacements, this contractor shall be responsible for all new rebar including concrete drilling, rebar, rebar ties, epoxy, and epoxy coating. l. Contractor shall include shoring as deemed necessary by the installing contractor. Contractor shall provide engineered drawings as a submittal for review by the engineer prior to proceeding. m. This contractor shall include providing and installing new waterproofing membrane coating. It shall be the responsibility of this contractor to ensure the substrate is prepared per the manufacturer’s recommendations, including cleaning of concrete prior to application. Contractor shall submit and receive approval on product data and installation instructions prior to proceeding. n. This contractor shall review any exposed steel and provide notification to DCI Group and ShiveHattery if it is believed the corrosion is extensive enough to warrant additional reinforcing. The engineer shall review and provide direction. o. This contractor shall be responsible for pedestrian traffic control throughout construction for this package's scope of work. This shall include barricades and caution tape, or similar, to block off areas of work and deter pedestrians from entering construction areas. Signage shall be provided at each landing identifying closures. All areas to be shutdown must be coordinated with DCI Group and the State of Iowa 5 business days in advance. p. Contractor shall clean the area of work prior to mobilizing to the next phase. q. Where called for in the plans, contractor shall notify the Construction Manager after concrete removals and repair preparation, but prior to patching, for engineer observations. r. Contractors shall provide a dust control plan prior to beginning any removals. Precautions shall be taken to mitigate dust or debris mitigation from the work area...
