1.05 DESIGN REQUIREMENTS Design of precast concrete top slab shall be the responsibility of the Precast Manufacturer. Design calculations shall be prepared and certified by a Professional Engineer currently licensed in good standing in the State of Minnesota and experienced in precast concrete design. Design shall be in accordance with ACI 318, PCI MNL-120, and ASTM C1433 where applicable. Design box structures, bases, top slabs and connections for: 1. Initial handling and erection stresses. 2. Loads a. Live Load: 300 psf equipment surcharge loading b. Soil Weight: 120 pcf c. Lateral Load Soil: 52 pcf d. Water Table Elevation: SeeDrawings. e. Vault Elevations: See Drawings. 1.08 DELIVERY, STORAGE, AND HANDLING Delivery 1. Coordinate fabrication and delivery to prevent delays in the Work. 2. If applicable, deliver anchorage items which are to be embedded in other construction before start of such work. Provide setting diagrams, templates, instructions and directionsas required for installation. 3. Deliver precast concrete units to work site in such quantities and at such times to ensure efficiency in crews unloading and moving units to storage locations. 4. Do not deliver products to site until concrete has achieved the full design strength. 5. All efforts should be made for precast units to be delivered by November 27th, 2024 in order to not cause delay in project work. Successfully bidding on this project is an indication that the timeline is realistic and that the bidder can deliver on or before November 27th, 2024. Storage 1. Storage will be handled by the Owner. Handling 1. Lift and support units at designated lift points. 2. Protect edges of members from chipping orspalling. 3. Transport precast units in a manner to avoid excessive stress or strain on units. 4. Any member damaged during transportation, handling, or erection shall be basis for rejection by the Contractor or Engineer. Any member so damaged and set in place without first consulting Engineer shall be done at the risk of the Contractor.
