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COST ESTIMATE -~ Coddle Creek Dam and N.C.Highw~v 73 Relocation ~:~ Cabarrus County, North Carolina il LA~ Proposal. ~o. 013~1C ~ I. Services of an ~gineering Technician Regula~ t/me 3~0 hours at $23.50/hou~ ........................... I Overt/~e 920 hours at $23.50/hour x 1o3 .......................... S 28.106 Transportation, no charge for full time work (~0+ hours/week) .... S 0 Total Section ! ...... I TI. Services of a Supple~antal Engineering Technician Based on 36 weeks of 26 hours per week. i. ~ Re~lar ti.e. 936 hours at S~3.~O/hour ........................... Transportation, 180 trips of 60 miles/round trip at $Oo30/mile.o.$ ~,2~0 ~j Total Section TT ..... S ! 1TI. Laboratory Testing and On-site Trailer Rental A. ~stimate 15 standard Proctors at S95/each ..................... $ 1,425 i B. Compressive strength of concrete cylinders, based on 200 sets of 3 cylinders/set, 600 cylinders at $7.50/cylinder ........... $ 4,500 C. On site office furnishing phone, fax and equipment outlined in RFP (based on use of on site house basement with water, sewer, I heat/electricity furnished by othe~s) 22 months at $~00/month.$ 6,600 Total Section III .... $ 12,325 IV. Engineering Services I A. Services of a principal technician as pro~ect manager, estimate 4 hours/week for 92 weeks, 368 hours st $55/hour ..... $ 20,2~0 B. Services of a geologist on-site to assist with documentation I of foundation EroutinK and cutoff trench excavations, estimate 25 hours/week for 12 weeks, 300 hours at $55/hour ............. $ 16,300 C. Services of Sr. Geotechnicsl Engineer, 30 hours at $75/hour...$ 2,230 D. Transportation, estimate 3.000 miles at $0.30/mile ............ $ 900 I E. Clerical/Drafting, est. 3/4-hour/week x 92 weeks at S23.50 .... $ 1,622 Total Section IV ..... $ ~1,512 I Total Sections I, II, III and IV ..... $193,859 Total Estimate ..... $200,000 I This cost estimate is based on the prelected construction schedule prepared by Rlythe Industries and provided by HDR, Inc. This schedule indicates that the portion of work we expect to monitor (first work to be excavation of the core - Phase I) would begin around April 1, 1991 and be substantiall~ complete in i 1992. Completion o~ the princips/ spillway, a~xiltary spillway, pedestrian bridge, and asphalt pevin~ could be extended past this date but would likely not require continuous full time work. The construction schedule indicates a I possible 12 week winter 1992 shut-down. I I ., ~ LAW ENGINEERING