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HomeMy WebLinkAbout3009 Denver Dr - Special Inspections/Engineering - 09/30/2014Architecture Materials Testing Structural Forensic Geotechnical Civil/Planning ROCKY MOUNTAIN GROUP Job No. 143927 September 30, 2014 Journey Homes, Northern CO 7251 W. 20th St., L-200 Greeley, CO 80634 Re: Open Excavation Observation 3009 Denver Dr Lot 37, Rigden Farm, Filing No. 18 Fort Collins, Colorado Dear Larry: Rocky Mountain Group (RMG) conducted a foundation excavation review for a single-family residence under construction at the above -referenced site located in Fort Collins, Colorado on September 30, 2014. The footings were excavated to the silty sandy clay, which is similar to those soils described in the Subsurface Soil Investigation, Rigden Farm — Sixth Filing — Final Geotech, Fort Collins, Colorado, prepared by RMG Engineers Group, RMG Job No. 139917 and dated October 2, 2013. RMG did not encounter groundwater within three feet of the proposed footing elevation. The footings need to be over excavated a minimum two feet (2') in depth due to soft low bearing soils encountered at the basement footing elevation. The soils supporting the footings will be a low expansive material. Based on the soil conditions encountered within three feet of the footing level, a continuous spread footing may be designed and constructed on a minimum two foot (2') of washed aggregate in the basement level in accordance to the above mentioned Subsurface Soil Investigation. Should you have questions, please feel free to contact our office. Cordially, 24995 Thomas M. Cope, P.E. Professional Engineer Southern Office: Central Office: Northern Office: Monument: 719.488.2145 Colorado Springs, CO 80918 Englewood, CO 80112 Evans, CO 80620 woodland Park: 719.687.6077 719.548.0600 303.688.9475 970.330.1071 Erbillf(urdistan Iraq: 0750 192 99 44 Ulaanbaatar, Mongolia: 976 99106671 tiny w. r mg e n gi n e e rs. c o m Architecture Materials Testing Structural q IG Forensic Geotechnical Civil/Planning ROCKY MOUNTAIN GROUP Job No. 143927 October 7, 2014 Journey Homes, Northern CO 7251 W. 20th St., L-200 Greeley, CO 80634 Re: Footing and Foundation Observation 3009 Denver Dr Lot 37, Rigden Farm, Filing No. 18 Fort Collins, Colorado Dear Larry: As requested, personnel of Rocky Mountain Group (RMG) observed the footing and foundation formwork and reinforcing steel for the above referenced single family residential property and found them to be in substantial compliance with the design drawings prepared by High Plains Engineering & Design, LLC for this structure. The " Ufer" electrical ground system was placed in the footing and meet the requirements of Article 250.52 of the 2011 National Electrical Code (NEC). The footings were observed on October 2, 2014 and the foundation walls were observed on October 7, 2014. Should you have questions, please feel free to contact our office. Cordially, 11/9/14 24995 Thomas M. Cope, P.E. �SSO AL Professional Engineer Southern Office: Central Office: Northern Office: Colorado Springs, CO 80918 Englewood, CO 80112 Evans, CO 80620 719.548.0600 303.688.9475 970.330.1071 Monument: 719.488.2145 Woodland Park: 719.687.6077 Erbil/Kurdistan Iraq: 0750 192 99 44 Ulaanbaatar, Mongolia: 976 99106671 www.rm-,cngineer.s.com Architecture Materials Testing Structural Forensic Geotechnical Civil/Planning ROCKY MOUNTAIN GROUP Job No. 143927 October 9, 2014 Journey Homes, Northern CO 7251 W. 20th St., L-200 Greeley, CO 80634 Re: Foundation Damp Proofing 3009 Denver Dr Lot 37, Rigden Farm, Filing No. 18 Fort Collins, Colorado Dear Larry: As requested, personnel of Rocky Mountain Group (RMG) observed the foundation damp proofing and found it to be complete and in substantial compliance with the design drawings prepared by High Plains Engineering & Design, LLC for this structure at the date of the inspection. The damp proof was observed on October 9, 2014. Should you have questions, please feel free to contact our office. Cordially, Ryan Laird Geoteclinical Staff Engineer rxel REG/s P 10/16/14 A3291,� Fss%unL �� Southern Office: Central Office: Northern Office: Monument: 719.488.2145 Colorado Springs, CO 80918 Englewood, CO 80112 Evans, CO 80620 Woodland Park 719.687.6077 719.548.0600 303.688.9475 970330.1071 Erbil/Kurdistan Iraq: 0750 192 99 44 Ulaanbaatar, Mongolia: 976 99106671 www.rmgengincer.s.com Architecture Materials Testing Structural Q!.MG Forensic Geotechnical Civil/Planning ROCKY MOUNTAIN GROUP Job No. 143927 October 15, 2014 Journey Homes, Northern CO 7251 W. 20th St., L-200 Greeley, CO 80634 Re: Foundation Subsurface Drain Observation 3009 Denver Dr Lot 37, Rigden Farm, Filing No. 18 Fort Collins, Colorado Dear Larry: As requested, personnel of Rocky Mountain Group (RMG) observed the foundation subsurface drainage pipe and sump pit perimeter drain system on October 15, 2014. RMG found it to be complete and in substantial compliance with the design drawings prepared by High Plains Engineering & Design, LLC for this structure at the date of this observation. Should you have questions, please feel free to contact our office. Cordially, CS. AV- 10/16/14�� .a 43201 Ryan Laird Geotechnical Staff Engineer Southern Office: Central Office: Northern Office: Colorado Springs, CO 80918 Englewood, CO 80112 Evans, CO 80620 719.548.0600 303.688.9475 970.330.1071 Monument: 719.4 88.214 5 Woodland Park., 719.687.6077 Erbil/Kurdistan Iraq: 0750 192 99 44 Ulaanbaatar, Mongolia: 976 99106671 1nvw.rmgengi neers.com