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From page 24... ... NCHRP Project 10-77 24 CHAPTER 4: KEY STAKEHOLDER SURVEY RESULTS The project research team developed a detailed plan and conducted (upon NCHRP approval) a worldwide survey to determine what types of software and equipment are currently being used to implement AMG processes. Read the entire page →
From page 25... ... NCHRP Project 10-77 25 • Private Industry 4. Construction Contractors 5. Read the entire page →
From page 26... ... NCHRP Project 10-77 26 While the technical issues that were encountered on the first day were resolved by changing each survey question in each group of surveys to non-mandatory, it also created an unintended consequence in that the software application automatically provided a No Answer option to all questions, which were previously classified as mandatory. This created an additional category in most of the response tables, thereby having one category for respondents who specifically click the No Answer option and one for respondents who did not have any response and skipped the question entirely as Non-Completed. Read the entire page →
From page 27... ... NCHRP Project 10-77 27 industry as shown in Table 3-2. Table 4-2. Read the entire page →
From page 28... ... NCHRP Project 10-77 28 Heavy Equipment Vendors Thirty (30) persons associated with AMG heavy construction equipment functions participated in this survey. Read the entire page →
From page 29... ... NCHRP Project 10-77 29 Table 4-4. Contractor Reasons for Not Utilizing AMG Reasons Chosen No. Read the entire page →
From page 30... ... NCHRP Project 10-77 30 the means and methods of earthwork construction tasks. • A heavy majority of the contractors utilize DTMs for quantity work progress and payment. Read the entire page →
From page 31... ... NCHRP Project 10-77 31 • Of procurement/construction units that do share EED, an equal number of respondents stated that DTM creation responsibility was that of either the contractor or the agency. • A clear majority reported that EED exchange actually occurs after contract execution, at the pre-construction conference or stage. Read the entire page →
From page 32... ... NCHRP Project 10-77 32 Digital Terrain Modeling Table 4-6 and Table 4-7 summarize survey feedback concerning DTM and EED accuracy. Table 4-6. Read the entire page →
From page 33... ... NCHRP Project 10-77 33 QA/QC Comments received concerning QC/QA are as follows: Contractors: • A large majority of contractors felt that AMG Quality control and tolerances should be controlled via existing standard specifications, versus special provisions. • A majority of contractors who use AMG perform grade checking with a rover. Read the entire page →
From page 34... ... NCHRP Project 10-77 34 Table 4-9. Important Equipment Accuracy Factors Rated by Contractors, Agencies, and Heavy Equipment Organizations Heavy Equipment Accuracy Factors* Read the entire page →
From page 35... ... NCHRP Project 10-77 35 EED exchanged across AMG functions and the file formats utilized in the exchanges, as reported by the survey respondents. The percentages represent the number of respondents who chose that file type as an input or output to their functional processes. Read the entire page →
From page 36... ... NCHRP Project 10-77 36 Table 4-10. Respondents Reporting Claims or Arbitration Related to AMG Contractors Agency Designers Agency P/C Answer No. Read the entire page →
From page 37... ... NCHRP Project 10-77 37 Answer No. Percentage Our organization trains internally. Read the entire page →
From page 38... ... NCHRP Project 10-77 38 Table 4-16. AMG Risk Factors rated by Contractors, Agencies, and Equipment Vendors AMG Risk Factors* Read the entire page →
From page 39... ... NCHRP Project 10-77 39 Table 4-17. Perceived AMG Benefits by Contractors, Agencies, and Equipment Vendors Perceived AMG Benefits* Read the entire page →
From page 40... ... NCHRP Project 10-77 40 Table 4-18. Comparison of Contractor and Equipment Vendor Productivity Gains with AMG Productivity Increase Using AMG Contractor Vendor 0-5% 0 1 6-10% 0 0 11-15% 4 2 16-20% 6 0 20-25% 5 1 26-30% 3 1 31-35% 3 2 36-40% 2 6 Table 4-19. Read the entire page →

From page 24...

... NCHRP Project 10-77 24 CHAPTER 4: KEY STAKEHOLDER SURVEY RESULTS The project research team developed a detailed plan and conducted (upon NCHRP approval) a worldwide survey to determine what types of software and equipment are currently being used to implement AMG processes.