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HomeMy WebLinkAbout3593; FARADAY AVENUE EXTENSION; EARTHWORK VOLUMES; 1999-08-27CD N S U L T A N T S August 27, 1999 Job No. 971050E1/Faiaday Ave Sherri Howard City of Carlsbad, Engineering Dept. 2075 Las Palmas Drive Carlsbad CA 92009 . . ' - RE: EARTHWORK VOLUMES .: .... Dear Sherri: The following is a summary of the amount of earth excavated by the Contractor to remediate alluvial materials and clay seams. These numbers are based on field surveys conducted by O'Day Consultants on the dates and in the areas shown below. Beginning Station Ending Station Survey Date(s) Cubic Yards 10+40 13+20 8-13-99 2,990 14+60 23+00 7-2,7,9-99 68,000 22+80 26+80 8-5-99 28,280 22+00 24+20 8-9-99 3,320 29+40 31+00 8-11-99 13,600 33+00 39+50 7-13,15,16,20,22-99 102,200 41+20 42+80 8-13-99 7,410 43+00 46+20 8-3,10,13-99 38,140 48+10 52+40 8-19-99 23,520 52+80 57+20 8-20-99 14,700 57+20 61+60 8-25-99 17,440 Total Excavation 319,600 Minus Bid Quantity -126,600 Additional Excavation 193,000 Attached to this letter are plan views showing the survey points, cross-sections of the areas requiring remediation, and spreadsheets showing the station by station data. Quantities were calculated using the average end area method. Very truly yours, O'DAY NSULTANTS, INC. J1 John P. Strohminger Project Manager 5900 Pasteur Ct. Civil Engineering W:\MSOFFICE\WINWORD\971050\Howard6.itr Suite 100 f'Jaflnjnc. Carlsbad. California 92008-7377 Processing 760-931-7700 Surveying Fax: 760-93 1-8680 E-mail: OdaVIudaVCr)i?.St.JJfantcc(,J7i