Common use of Drainage Design Clause in Contracts

Drainage Design. The Consultant shall provide drainage layouts, drainage area maps, calculations, and design of all drainage components. The Consultant shall design all detention/retention ponds, conventional storm drainage and cross drainage in conformance with the State Hydraulic Design Manual (May 0000), Xxxxxxxxx' criteria. The drainage design will be prepared to provide for the two-lane frontage section. At a minimum the drainage items to be provided shall include the detailed drainage area maps showing the final drainage areas and inlet and storm sewer calculations for revised storm sewer flow elements. All drainage designs shall be prepared in accordance with the findings presented in the Drainage Study. The proposed tasks are listed below:  Conduct field trips to the Project site to investigate and confirm data and assumptions and assess general drainage conditions as needed;  Review previous plans and drainage reports prepared by others which relate to drainage in the Project area (to be provided by the PMC);  Prepare proposed drainage area maps for proposed improvements within the portion of the Project limits stated above;  Design drainage structures located within the Project ROW, including open ditch drainage, storm sewer, inlets, manholes, subsurface drainage at retaining walls, and inlets/internal drainage piping where required on structures;  Design and analyze the storm sewer system utilizing the WINSTORM Program and incorporate output to plan set;  Design and analyze the roadside ditches for the proposed drainage criteria and incorporate results into the plans set on the roadway plan and profile sheets;  Prepare storm sewer plan/profile drawings and special plan details, where required, for storm sewer system, laterals, junction boxes, etc. Identify potential utility conflicts during project design. Drawings will be prepared on 11” X 17” sheet at horizontal scale of 1”=100’ and vertical scale of 1”=10’; and  Design cross-culvert extensions, if required, within the Project limits. This task is the extent to which designs and calculations regarding cross-culverts is required. Required drainage work outside the ROW will be performed by others.

Appears in 3 contracts

Samples: Professional Services, Professional Services, Professional Services

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Drainage Design. The Consultant Engineer shall provide drainage layouts, drainage area maps, calculations, and design of all drainage components. The Consultant Engineer shall design all detention/retention ponds, conventional storm drainage and cross drainage in conformance with the State Hydraulic Design Manual (May 0000), Xxxxxxxxx' September 2019) and Houston District’s criteria. The drainage design will be prepared to provide for the two-lane frontage section. At a minimum the drainage items to be provided shall include the detailed drainage area maps showing the final drainage areas and inlet and storm sewer calculations for revised storm sewer flow elements. All drainage designs shall be prepared in accordance with the findings presented in the Drainage Study. The proposed tasks are listed below: Conduct field trips to the Project site to investigate and confirm data and assumptions and assess general drainage conditions as needed; Review previous plans and drainage reports prepared by others which relate to drainage in the Project area (to be provided by the PMC); Prepare proposed drainage area maps for proposed improvements within the portion of the Project limits stated above; Design drainage structures located within the Project ROW, including open ditch drainage, storm sewer, inlets, manholes, subsurface drainage at retaining walls, and inlets/internal drainage piping where required on structures; Design and analyze the storm sewer system utilizing the WINSTORM Geopak Drainage Program and incorporate output to plan set; Design and analyze the roadside ditches for the proposed drainage criteria and incorporate results into the plans set on the roadway plan and profile sheets; Prepare storm sewer plan/profile drawings and special plan details, where required, for storm sewer system, laterals, junction boxes, etc. Identify potential utility conflicts during project design. Drawings will be prepared on 11” X 17” sheet at horizontal scale of 1”=100’ and vertical scale of 1”=10’; and Design cross-culvert extensions, if required, within the Project limits. This task is the extent to which designs and calculations regarding cross-culverts is required. Required drainage work outside the ROW will be performed by others.

Appears in 2 contracts

Samples: Professional Services, Professional Services

Drainage Design. The Consultant shall provide drainage layouts, drainage area maps, calculations, and design of all drainage components. The Consultant shall design all detention/retention ponds, conventional storm drainage and cross drainage in conformance with the State Hydraulic Design Manual (May 00002014), XxxxxxxxxDistricts' criteria. The drainage design will be prepared to provide for the two-lane frontage section. At a minimum the drainage items to be provided shall include the detailed drainage area maps showing the final drainage areas and inlet and storm sewer calculations for revised storm sewer flow elements. All drainage designs shall be prepared in accordance with the findings presented in the Drainage Study. The proposed tasks are listed below: Conduct field trips to the Project site to investigate and confirm data and assumptions and assess general drainage conditions as needed; Review previous plans and drainage reports prepared by others which relate to drainage in the Project area (to be provided by the PMC); Prepare proposed drainage area maps for proposed improvements within the portion of the Project limits stated above; Design drainage structures located within the Project ROW, including open ditch drainage, storm sewer, inlets, manholes, subsurface drainage at retaining walls, and inlets/internal drainage piping where required on structures; Design and analyze the storm sewer system utilizing the WINSTORM Program and incorporate output to plan set; Design and analyze the roadside ditches for the proposed drainage criteria and incorporate results into the plans set on the roadway plan and profile sheets; Prepare storm sewer plan/profile drawings and special plan details, where required, for storm sewer system, laterals, junction boxes, etc. Identify potential utility conflicts during project design. Drawings will be prepared on 11” X 17” sheet at horizontal scale of 1”=100’ and vertical scale of 1”=10’; and Design cross-culvert extensions, if required, within the Project limits. This task is the extent to which designs and calculations regarding cross-culverts is required. Required drainage work outside the ROW will be performed by others.

Appears in 1 contract

Samples: Professional Services

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Drainage Design. The Consultant shall provide existing parking lot drainage layouts, drainage area maps, calculations, system currently collects runoff from paved surfaces and design of all drainage componentsdischarges to both the Deschutes River and adjacent wetlands. The Consultant shall design all detention/retention ponds, conventional storm drainage existing outfall to the Deschutes River has failed and cross drainage in conformance with the State Hydraulic Design Manual (May 0000), Xxxxxxxxx' criteria. The drainage design will be prepared to provide replaced as part of this project. Runoff is currently not treated or detained for the two-lane frontage section. At a minimum the drainage items to be provided shall include the detailed drainage area maps showing the final drainage areas and inlet and storm sewer calculations for revised storm sewer flow elements. All drainage designs shall be prepared in accordance with the findings presented in the Drainage Study. The proposed tasks are listed below:  Conduct field trips to the Project site to investigate and confirm data and assumptions and assess general drainage conditions as needed;  Review previous plans and drainage reports prepared by others which relate to drainage in the Project area (to be provided by the PMC);  Prepare proposed drainage area maps for proposed improvements within the portion of the Project limits stated above;  Design drainage structures located within the Project ROW, including open ditch drainage, storm sewer, inlets, manholes, subsurface drainage at retaining walls, and inlets/internal drainage piping where required on structures;  Design and analyze the storm sewer system utilizing the WINSTORM Program and incorporate output to plan set;  Design and analyze the roadside ditches for the proposed drainage criteria and incorporate results into the plans set on the roadway plan and profile sheets;  Prepare storm sewer plan/profile drawings and special plan details, where required, for storm sewer system, laterals, junction boxes, etc. Identify potential utility conflicts during project design. Drawings will be prepared on 11” X 17” sheet at horizontal scale of 1”=100’ and vertical scale of 1”=10’; and  Design cross-culvert extensions, if required, within the Project limitscontrol. This task is to complete drainage design to include water quality treatment and flow control. Preliminary geotechnical investigation has been completed along the extent northern edge of the parking lot and indicates that infiltration is not feasible. The design approach will be to which designs utilize the existing outfall locations for discharge of runoff. • Drainage design will utilize the City of Tumwater Drainage Design and calculations regarding crossErosion Control Manual (2022) • All stormwater BMPs shall be located on-culverts site. • The existing outfall location is located upstream of Tumwater Falls. The Deschutes River is not considered flow-exempt upstream of Tumwater Falls. • Selected Runoff Treatment BMPs shall provide both phosphorus treatment and enhanced treatment. • Oil Control BMPs are anticipated to not be required. Required drainage work outside • A portion of Tee 01 may be utilized for the ROW establishment of a stormwater treatment system for a portion of the parking lot. • A qualitative downstream analysis shall be sufficient, a quantitative downstream analysis shall not be required. 1. Prepare Drainage Scoping Report, to include the following: a. Letter of transmittal requesting Drainage Scoping Report review b. Written description of project, including applicability of the minimum requirements and approach to comply. c. Maps consisting of vicinity map, existing conditions, soils, critical areas, and other pertinent information d. Results of preliminary geotechnical investigations e. Completed conceptual site plan f. Completed source control checklist 2. Prepare Preliminary Drainage Control Plan, to include the following: a. Drainage Report b. Construction Drawings c. Construction SWPPP d. Soils Report e. Maintenance and Source Control Manual f. Soil Management Plan g. Design calculations for conveyance, water quality, and flow control. 3. Upon completion of 90% PS&E, update Preliminary Drainage Control Plan to prepare Final Drainage Control Plan. • Drainage Scoping Report • Preliminary Drainage Control Plan • Final Drainage Control Plan Task 5 60% PS&E • 60% of the design will be performed based on approval of the 30% Design from City. • 60% of PS&E will incorporate design aspects for Illumination, drainage design, and landscaping. • Special provisions will be based on WSDOT Standard Specifications format. • Preliminary Illumination and Electrical design will be completed under Task 6 (Electrical Design). Task Description: 1. Prepare the following 60% design drawings: a. Cover sheet b. Clearing, demolition and site erosion control plan (Stormwater Pollution Prevention Plan (SWPPP)) c. Erosion control details and notes d. Site grading, paving and drainage plan e. Paving and Drainage details and notes f. Outfall design g. Striping and signage plan h. Striping and signage details and notes 2. Submit plans to Client for review. 3. Prepare 60% specification Run List and identify special provisions. 4. Prepare 60% Engineer’s Estimate of Probable Cost to Construct. 5. Prepare Design Documentation Notebook 6. Prepare Quantities Notebook. • 60% Plans. • 60% Special Provisions. • 60% Engineer’s Estimate of Probable Cost to Construct. • Design Documentation Notebook. • Quantities Notebook. Task 6 Electrical Design Development of site amenities will require electrical engineering design for illumination and to provide future connection for EV charging stations. • electrical design for illumination, including photometric calculations. • Prepare electrical energy forms for illumination. • Prepare electrical specifications. o Prepare estimate for electrical design. • There is sufficient power supply on-site and no additional application for a power drop is included in this scope of work. • No data and/or communication systems are included in the scope. • Design for future EV charging stations will focus on installation of conduit and junction-boxes. Design will not include the future control panel for the charging station. 1. Prepare illumination photometric calculations. 2. Prepare preliminary design of illumination system, including luminaires, conduit, and junction boxes. 3. Prepare preliminary illumination/ electrical engineers estimate of probable cost to construct. Deliverables (by others.Subconsultant): • Preliminary Electrical Design and Details • Electrical Engineers Estimate of Probable Cost to Construct Task 7 90% PS&E • 90% of PS&E will be based on City review comments on the 60% submittal. • The 90% submittal will be utilized for land use review with the City of Tumwater and will be considered the Permit Plan Set. • City will provide template and front-end documentation for project manual. Preliminary specifications will be developed as part of the project manual. Task Description: 1. Update the following design drawings to 90% level of completion: a. Cover sheet b. Clearing, demolition and site erosion control plan (Stormwater Pollution Prevention Plan (SWPPP)) c. Erosion control details and notes d. site grading, paving and drainage plan

Appears in 1 contract

Samples: Service Provider Agreement

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