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HomeMy WebLinkAbout1133 NASSAU WAY - SPECIAL INSPECTIONS - 4/13/2004Irerracon 301 N. Howes • P.O. Box 503 Fort Collins, Colorado 80521-0503 (970)484-0359 Fax(970)484-0454 April 13, 2004 James Company 1109 Nassau Way Drive Fort Collins, Colorado 80525 Attn: Mrs. Peggy Wanner Project Manager @ Stanton Creek Re: Exterior Perimeter Drain Observation Stanton Creek - Phase 4 1133 Nassau Way - Lot 80 Fort Collins, Colorado Terracon Project No. 20025134 A representative of Terracon observed the perimeter drain at the above referenced address on April 8, 2004, as requested. A four -inch diameter perforated PVC pipe had been placed around the exterior perimeter of the basement foundation with an impervious PVC membrane placed under the drainage system. The drainage pipe appeared to exhibit positive drainage toward the sump pit located within the basement area. We also observed'/4 to 1-inch washed gravel placed above and below the pipe and drainage filter fabric above the gravel. The waterproof dampening was also observed and in our opinion was uniformly applied to the exterior foundations. In our opinion the exterior perimeter drain was constructed in general accordance with the plans and specifications for this project. Sincerely, TERRACON Benjamin D. Ruder, E.I. Staff Engineer Copies to: (2) Addressee Reviewed By. `„7a> A. , David A. Richer, P 13 Geotechnical Engineartment Manager Arizona ■ Arkansas ■ Colorado ■ Georgia ■ Idaho ■ Illinois ■ Iowa ■ Kansas ■ Kentucky ■ Minnesota ■ Missouri ■ Montana Nebraska ■ Nevada ■ New Mexico ■ Oklahoma ■ Tennessee ■ Texas ■ Utah ■ Wisconsin ■ Wyoming Quality Engineering Since 1965