NATIONAL DATA & SURVEYING SERVICES 2 - 2011

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N�� S National Data 8z Surveying Services Corporate Office 8370 Wilshire Blvd. Ste 209 Beverly-Hiils, CA 90211 T- (323) 782 -0090 F- (323) 375 -1666 Email : Info (7a .n d s d ata . c o m • Data collectors meet with Field Manager minimum day before count to review requirements, collection plan, and safety requirements. • Counts wilt be conducted according to the City of Santa Ana's protocol on Tuesday, Wednesday, and Thursday. Counts periods will be the peak hours requested by the City, one, tw_o or three peek periods. • Field Manager checks data collection throughout the day to ensure proper procedures are being followed. • Field Manager collects data after evening peak court #, assembles data, and draws maps of each intersection to ensure accuracy of lanes. • Data elements collected will be as specified in the RFP. • Peak hour turning movement count sheets /data files will show 15- minute counts and hourly totals for each hour counted. In addition the peak hour (the highest four (4) consecutive 15- minute counts) will be determined for each counting period. For intersections, counts from all approaches can be provided separately for each approach, and /or ail approaches together in one print -out. The AM, mid -day, and PM peak hour and corresponding volumes will also be shown for each. approach. • Data is turned into our office for process and formatting for delivery to City. • _Project Manager proofs the data for quality control before releasing to City. • Data is delivered to City in accordance with the RFP requirements. 24 -lour Vehicle Classification &Speed Counts: • Same as Street Segment Counts above. • Tubes are measured to ensure proper length a`nd proper count. • Data elements collected wilt be as specified in the RFP. • Data is reviewed by Field Manager for errors. • Data is turned into our office for process and formatting for delivery to City. • Project Manager proofs the data for quality control before releasing to City. • Data is delivered to City in accordance with the RFP. • Sample data is attached below. Safety • Two people perform machine counts. One for traffic control and one for the setup. • Bright reflective vests are worn. • Vehicles are equipped with orange warning light. • Tubes are pre - measured to ensure safe and speedy setup.