Specifications include, but are not limited to: 1.1 Site Preparation 1.1.1 Prior to start of work, Vendor is required to schedule a site visit and walk the space with Cedar Lakes Conference Center Project Manager and identify area that is required to be ‘cordoned’ off with temporary safety fencing to ensure construction zone is blocked off so that visitors to Conference Center do not enter area and Contractors have a specific area to enter and exit construction zone. 1.1.2 All personal vehicles of contractors and subcontractors and construction equipment will be used in designated areas only. 1.1.3 Areas of delivery and storage for soil, aggregate material, and other construction materials will be identified and agreed upon between Vendor and Cedar Lakes Project Manager. 1.2 Site Conditions 1.2.1 Vendor must assess site conditions and make final determinations of soil removal and fill for proper grading. Fill dirt will be required to level front to back variance – an approximate eleven (11”) inch variance in grade from front of shelter to back. 1.2.2 Vendor must ensure conditions (weather) is prime for work. Any concrete pours when weather drops below 35 degrees Fahrenheit will require pad to be properly covered and protected. 1.3 Main Concrete Pad 1.3.1 Vendor must identify all prep work required to begin work. 1.3.2 Vendor is required to identify the grade level of new concrete pad to be equal to existing level of asphalt pad (north) adjacent to shelter. To get grade level, Vendor is required to use, at a minimum, three inches (3”) of gravel (on front/roadside). Gravel layers will vary from front to back of shelter to compensate for the drop in elevation. 1.3.3 Pad is required to be ‘Center Heaved’ to allow for proper drainage. 1.3.4 Subgrade (compacted soil) is required to be smoothed and void of any obstacles that would interfere with concrete pad. 1.3.5 Subgrade (compacted soil) is required to be leveled and any high spots or low spots are required to be filled with quality material. 1.3.6 Subgrade (compacted soil) will be compacted by mechanical compactor/tamper by Vendor. 1.3.7 Subbase layer (crusher run/aggregate) is required to fill the under-pad area at three (3) inches up to seven (7) inches. Vendor to verify elevation. 1.3.8 Vendor is required to place vapor barrier (10 millimeter thick) on top of Subbase layer (crusher run/aggregate). Vendor is required to correct any ‘sinking areas’ prior to continuing. 1.3.9 Vendor is required to place welded wire steel mesh, 10 gauge, 6x6x10x10 on entire area of designated pad site. 1.3.10 Vendor is required to reinforce with rebar around each post of the shelter on top of the welded wire steel mesh to assist with any future fracture of concrete. 1.3.11 Vendor will pour 4,000 psi mix with a thickness of four (4) inches. Total pad will be extended approximately two feet from outside measurements of shelter posts. 1.3.12 Expansion joints will be saw-cut according to approved upon spacing and will be at a depth of one (1) inch. 1.3.13 Expansion joints will be no more than eight (8) to twelve (12) feet apart. 1.3.14 Concrete shall be properly protected and cured until turned over to Owner, at a minimum of two (2) weeks after pouring. 1.3.15 Vendor shall remove all forms and regrade the area within two (2) days after pouring the concrete pad. 1.3.16 Concrete curing shall be completed by Vendor by normally accepted curing methods – either by spraying with curing compound or by setting and covering with burlap. 1.3.17 Vendor is required to trowel finish concrete pad. 1.3.18 Vendor is required to seal concrete. 1.3.19 Fill dirt is required to be used around entire concrete pad to level and slope away from pad to allow water to drain away from structure. 1.3.20 Vendor is required to compact fill dirt. 1.3.21 Vendor is required to clean all work areas and remove any leftover construction materials. 1.3.22 Vendor is required to ‘seed’ area surrounding pad area and work areas.
