06 A to F-Depot Project Manual - Laserfiche WebLink

Home Browse Search

Paris Santa Fe-Frisco Depot Rehabilitation 0 K[YSTONE AgCHITECTS July 10, 2001 PART 2 PRODUCTS 2.01 MATERIALS A. Asbestos Prohibition: No asbestos containing materials shall be used under this section. The Contractor(s) shall insure that all materials incorporated in the project are asbestos-free. B. Yard fill shall be select on-site or imported material and shall be non-expansive, free from debris, perishable or combustible materials, sod, stones larger than 6-incbes in maximum dimension. C. Structural Fill: New structural fill shall be select on-site material or select imported borrow material. Select on-site material shall be non-expansive material free of boulders, debris, or rocks greater than 3 inches in maximum dimension. The select on-site material shall be approved by the Engineer. Select imported borrow material shall be well-graded, non-expansive material, all free from debris, with a plasticity index less than 20. The material shall have not more than 20 percent soil by weight passing the No. 200 sieve. The P. I. of that portion of soil passing the ~¢0 sieve shall not be greater than ten(10). Submit laboratory test results of select imported borrow material for approval by the Engineer. D. Cushion fill under concrete shall consist of a four inch layer of lightly compacted clean gravel such as #3 Fine gravel, or equivalent, (ASTM Size 67), and compacted to level surface. The gravel shall be rehfively uniform (poorly graded) and relatively free of fines with no more than 2 percent passing the No. 200 sieve. An impermeable membrane shall be provided over the gravel as a vapor barrier. A minimum of 2 inches of clean sand shall be provided between the membrane and the slab to protect the membrane during construction and promote even curing of the slab. E. Imported topsoil shall be fecdle, friable soil of loamy character, free from subsoil, debris, stones and as ai~pwved by the Engineer. Topsoil excavated in connection w/th the construction of the project may be used in lieu thereof. PART 3 - EXECUTION 3.01 LAYING OUT A. The laying out of baselines, establishing of grades and staking out the entire work shall be performed by a licensed Surveyor or Civil Engineer (licensed in the State of Texas) at the expense of the .Contractor(s) and Contractor(s) shall be solely responsible for then' accuracy. The Contractor(s) shall erect and maintain substantial batterboards showing construction lines and levels. B. Should any discrepancies or conflicts be discovered in the dimensions given in the Drawings and/or Specifications, the Contractor(s) shall immediately notify the Engineer before proceeding any further with the work, otherwise, he will be held responsible for any costs involved in correction of construction placed due to such discrepancies. 3.02 SITE PREPARATION A. Prior to the start of the grading operations, the areas designated for new construction shall be cleared of all above-ground vegetation and other deleterious materials, which shall Section 02100 Page 24