Res 2019-161/approving an Engineering Services Contract with the Lower Colorado River Authority (LCRA) for provision of Engineering Services in connection with the design and construction of the Rattler Substation

Home Browse Search

LC OAL ENERGY -WATER IT Attachment 2 Statement of Work for Engineering Services Project Name: Rattler Low Side Addition Order No. Contract No. 4661 • Requested information, drawings or Vendor data will be provided in a timely manner to meet proposed schedule. • A minimum of ten (10) working days shall be allowed for approval of construction material submittals. Submittals shall clearly denote quantity, part number (including any optional designations) and corresponding bid unit or AKIND number as required in drawings or specifications. • A minimum of three (3) worldng days shall be allowed to address requests for information, clarification or substitution from construction. When substitutions are approved by the engineer of record, the scope and scale may necessitate additional analysis and an update of design documentation. This additional analysis and design documentation may cause cost and schedule impacts. • Stanley Consultants is committed to addressing all material submittals and requests for information as quickly as possible. • Sixty (60) hours of pernitting support with local jurisdictions is included with this proposal. • Proposal is based on LCRA responses to RFIs received on 06/03/2019. • Are flash for both AC and DC systems within the SMEU control house are included in the scope of work. • The SMEU Milsoft file will be updated to include the substation, up to the high side of the substation transformers. The SMEU control house switchgear will be designed using ETAP software. • Proposal is based on the SMEU control enclosure being a single -story CMU structure with outside dimensions of approximately 135'x45'. At grade, the enclosure will consist of the following rooms: a switchgear room, a relay room, a battery room and a toilet. A DX or similar HVAC system will be included in the design. The enclosure will also include a below grade cable vault, to facilitate cable installation to the switchgear lineups. Portions of the enclosure facing outside the station will be designed with aesthetic features and will be coordinated with the fencing and landscaping designs. • Switchgear design will be based on SEL relays. Relay testing will be by 3rd party testing firm. • Factory Acceptance Testing (FAT) for the switchgear and substation transformers is included for within the continental United States. • Lightning protection will be provided for the SMEU control enclosure. • Subsurface Utility Engineering (SUE) report will be provided for existing utilities near the site. It is assumed that the site is a greenfield site and there are no utilities within the site that will need to investigated or be relocated. SUE report will be to coordinate existing utilities with new duct banks and to coordinate water and wastewater service to the substation. • Proposal includes 20 hours for coordination with Stantec and basic drainage calculations. • Proposal does not include hours for detention pond design or improvements. • Proposal assumes no existing utilities on site that will require relocations. • Proposal includes 20 hours for permitting and support including S WPPP. The following services and/or information will be provided to the Professional: A. Specification for the 15kV metal clad switch gear. B. Specification for the PWT. C. Conceptual one -line and initial layouts to be fully developed by the professional during design. D. Vendor drawings of major equipment (air -break switches, EHV circuit breakers, instrument transformers and autotransformers) Services Contract Page 8 of 9 Rev 7 02/19/2019 Contract 4 4661