25B - AGMT - ENVIRONMENTAL SERVICES FOR WARNER AVE WIDENING

Home Browse Search

181 Group Task C.4: Hydrology and Drainage Studies Work Completed To-date Within Scope: • Hydrology and drainage studies for the three Build Alternatives and supporting technical documents leading to April 2010. • Amendment #1, support for the development of one new alternative based on discussion with city, September 14, 2011. • Amendment #1, revised hydrology and drainage studies for the Preferred Build Alternative. • Generation of a revised Drainage Report documenting the results. The report is included as part of the Preliminary Engineering Report. Work Completed Out of Scope: • Additional review of hydrology and drainage study based on the refinements to the Build Alternative. • Based on unbilled work: o Staff hours: 5 o Fee: $486 Remaining Work to be Completed Within Scope: • None if the city agrees with the recommendation to use the more conservative analysis. Cost to Complete: • The city identified an issue that may require a revision to the hydrology and drainage studies for the Preferred Build alternative. A full reanalysis of these elements was not included as part of the original scope or Amendment #1. • Based on comments received to date, a full reanalysis will require the following: o Assumed staff hours: 60 o Assumed budget: $5,568 • It is our opinion that the analysis may be conservative but applicable for the purposes of environmental assessment. We do not believe the rerunning of the analysis will provide value for the project. Task C.6: Preliminary Engineering Plans Work Completed To-date Within Scope: • Preliminary engineering plans for three Build Alternatives and supporting technical documents prepared by April 2010. • level of detail only to define the footprint for the purpose of environmental studies. Alternatives concept development did not include provisions for public involvement and related refinements. • Amendment #1, support for the development of one new alternative based on discussion with Jason Gabriel, September 14, 2011. • Amendment #1, support for refinement of preliminary engineering plans for the Preferred Build Alternative from the 2010 work. Work Completed Out of Scope: • Preliminary engineering for two new additional Build Alternatives developed as a result of city request. • Technical support related to the two additional Build Alternatives. • Continued support in the form of generating exhibits and support of public involvement for the project that was never scoped. • Based on unbilled work: o Staff hours: 60 25B-42