Res 2022-178R/authorizing a Change in Service to the agreement with HDR Engineering, Inc. relating to the Castle Forest Drainage Project

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basis of information available to HDR and on the basis of HDR's experience and represent the judgment of an experienced and qualified professional engineer. However, since HDR has no control over cost escalation over time, the cost of labor, materials, equipment or services furnished by others, contractor's methods of determining prices, or over competitive bidding or market conditions, HDR does not guarantee that proposals, bids, or actual project or construction cost will not vary from the OPCC's prepared by HDR. e. COSM will be responsible for developing the construction contract procurement and agreement documents (Division 00), HDR will assist by providing project specific information for these sections. f. City of San Marcos development permitting or TXDOT permitting will not be required. g. It is anticipated the project will not require a USACE Clean Water Act, Section 404 permit, or will meet the general conditions for a non-notifying USACE Nationwide (i.e., General) Permit. h. Geotechnical investigation will not be required for the design of this project. i. Structural engineering services will not be required as part of this project. Culverts will be based on COSM or TXDOT standards. j. Subsurface Utility Engineering (SUE) will not be required for the design of this project. All utility location and depth for City owned utilities will be provided by COSM or the utility based on plans and records. If determined SUE survey is needed the COSM will contract this service through others. k. From the PER document, it was noted that there were 2 sanitary sewer main conflicts and 6 residential sanitary sewer service line conflicts. If additional conflicts are noted during the development of the design documents, additional scope and fee will be provided to COSM for relocation design. I. From the PER document, it was noted that there were 2 water main conflicts and 5 water service lines. If additional conflicts are noted during the development of the design documents, additional scope and fee will be provided to COSM for relocation design. m. Existing franchise utility conflict relocation coordination is not included in this scope of work. From the PER document, no franchise utility conflicts were identified. n. Scour analysis at culverts will not be required. o. Construction observation,field visits and on-site representation is not part of this scope and fee. p. Substantial/final walk through, punch-lists, pay application reviews, and development of record drawings is not part of this scope and fee. q. CLOMR and LOMR are not required for the construction of this project. r. Right-of-entry (ROE) will be granted for all segments of the project area to be surveyed, and ROE to the entire project area will be available upon receiving notice to proceed with field activities. s. The City will be responsible for obtaining ROE for all properties requiring survey. t. A cultural resources phase II testing report is not included. The current scope and fee assume no NRHP site testing or mitigation. u. The current estimate assumes no route adjustments after the 30%design requiring additional cultural resource surveys. v. The current cost estimate assumes no more than 2 archaeological sites will be identified as part of the survey. w. The current cost estimate assumes one mobilization and access to all properties. x. Any delays due to changes in the alignment, inclement weather, or parcel access issues may increase field costs and result in supplemental fee requests. y. Any modification to the scope and service mandated by regulatory authorities will necessitate an updated scope and fee estimate.