Drainage - Engineering Review ChecklistProject: List Corridor

Criteria ID

Review Priority (H,M,L)

Design Category Design Criteria TOPICSDesign Criteria

REFERENCES

DESIRED Criteria (D)

MINIMUM Criteria (M)

ABSOLUTE MINIMUM Criteria - Requires

Written RTD Approval (am)

Indicate Level of Criteria Met (D, M, am) where Hi-Lited

NOTESDate Submitted:

Date Reviewed:

Reviewer Initials:50% 65% 90% Final

D-1-01 General Drainage Source Data RTD LRT Manual 3.5.1

Copies of previously completed drainage studies and reports, FIRMs, FHADs, Master Plans, OSPs, FIS.are identified and shown. Obtain current electronic mdels of all regulatory floodplains.

D-1-02 General Drainage Design CriteriaRTD LRT Manual 3.5.1

Identify Source of Design Criteria - RTD, Local Agency, UDFCD, CDOT Design Manuals

5yr storm for minor systems, 100 yr storm for major systems

D-1-03 General Drainage Land DataRTD LRT Manual 3.5.2.2 Map showing vegetative cover, land use

D-1-04 General Drainage Drainage DataRTD LRT Manual 3.5.2.2

Drainage Map depicting minor and major basin boundaries, showing location and size of all drainage features, waterway geometrics, storm sewers, inlets, manholes, bridges, culverts open channels. Existing and proposed contours.

Drainage Map complete and included in the Hydrology and Hydraulics report

D-2-01 Hydrology - Calculations MethodRTD LRT Manual 3.5.2.2 Identify Method ( Rational, CUHP, SWMM Etc..)

D-2-02 Hydrology - Calculations RainfallRTD LRT Manual 3.5.2.2 Identify Rainfall (Values, Source)

D-2-03 Hydrology - Calculations BasinsRTD LRT Manual 3.5.2.2 Identify all basin parameters for method chosen

D-2-04 Hydrology - Calculations FlowsRTD LRT Manual 3.5.2.2

Calculate minor and major flows at all drainage structures and identified design points

Includes all hydrologic calculations for all drainage facilites including pnRs and trackway drainage. All calculations complete and included in final report

D-3-01 Hydraulics - Calculations InletsRTD LRT Manual 3.5.3.5

Hydraulic Calculations for inlets, type of inlet identified, interception rate, ponding depth

All hydraulic calculations for inlets complete and included in final report

D-3-02 Hydraulics - Calculations Storm SewersRTD LRT Manual 3.5.3.4

Hydraulic Calculations for storm sewers, design storm event identified, normal depth, water surface profile

All hydraulic calculations for storm sewers complete and included in final report

Storm sewer crossing the LRT ROW shall be class V RCP, Min. size pipe ahall be 15" . 100 year EGL shall be below top of subgrade.

D-3-03 Hydraulics - Calculations CulvertsRTD LRT Manual 3.5.3.4

Hydraulic design of culverts, design storm event, headwater depth, water surface profile

All hydraulic calculations for culverts complete and included in final report

D-3-04 Hydraulics - Calculations Outlet UDFCDOutlet erosion protection for all storm sewers and culverts identified and sized

All calculations for outlet erosion complete and included in final report

D-3-05 Hydraulics - Calculations Bridge Bridge Hydraulic analysisAll calculations bridges analysis complete and included in final report

D-3-06 Hydraulics - Calculations Open Channel Open channel design, Water surface profilesAll calculations for open channel design complete and included in final report

D-3-07 Hydraulics - Calculations Scour

Scour analysis for 100 year and 500 year design storms with extent and type of erosion protection identified Scour calculations complete

D-3-08 Hydraulics - Calculations TrackwayRTD LRT Manual 3.5.3.6

Trackway drainage, subdrains, crossing flows and adjacent ditches identified Trackway drainage calculations complete

No offsite areas shall be conveyed in trackway underdrains. 100 year HGL in ditches adjacent to track shall be below subgrade elevation.

D-3-9 Hydraulics - Calculations Detention PondRTD LRT Manual 3.5.5

Detention ponding requirements identified with preliminary sizing of ponds shown, preliminary desing of outlet structure with design release rates shown Detention pond calculations and sizing complete

D-3-10 Hydraulics - Calculations Water QualityRTD LRT Manual 3.5.6

Water Quality facilities identified with preliminary sizes and locations shown

D-4-01 ReportsHydrology and Hydraulics Report

Preliminary report in sufficient detail for agency approval of design concepts Final Hydraulogy & Hydrolics Report complete

Report approved by local and state agencies, and UDFCD

D-4-02 ReportsGrading, Erosion and Sediment Control Report

RTD LRT Manual 3.5.8

Preliminary report in sufficient detail for agency approval of design concepts

Final Grading, Erosion, and Sediment Control Report complete

Report approved by local and state agencies

D-5-01 Plans Sediment / Errosion ControlRTD LRT Manual 3.5.8

Preliminary plan in sufficient detail for agency approval of design concepts Final Sediment & Erosion Control Plan complete

Plan approved by local and state agencies

D-5-02 PlansStorm Water Management Plan (SWMP) Prepare Storm Water Management plans Final Storm Water Management Plan complete

Plan approved by local and state agencies

D-5-03 PlansPlan and Profile all drainage facilities

Plans show all drainage facilities in plan in final location, Plans show all drainage facilities in profile in sufficient detail to provide documentation

All plans in final construction format including cover sheet, standard notes, plan and profile drawings and standard and special details.

D-5-04 PlansPlan and Profile all drainage facilities Identify design conflicts / resolution All conflicts are resolved

D-5-05 Plans Irrigation Ditch Modifications Identify Irrigation Ditch conflicts / resolutionPrepare and Submit relocation / modification plans and agreements to Irrigation facility owner

Obtain agreement approval for Irrigation Ditch modification

Plans shall at a minimum provide services equivalent to the existing facilities.

D-5-06 Plans General Drainage Notes Included on construction plans

D-5-07 Plans Specific Drainage Notes Included on construction plansD-5-08 Plans Drainage Details Show details of any special drainage structures

D-6-01 Easements Easements and Right-of-WayIdentify easements and right of way required for major drainage systems outside of right of way Prepare easement and Submit if required Obtain easements

D-7-01 Permits & Approvals CLOMR to FEMA Prepare and Submit if required Appproved by FEMA

D-7-02 Permits & Approvals Municipality Approvals Preliminary Design Concepts approved Plans and reports submiited for final approval Plans and Reports approved

D-7-03 Permits & ApprovalsSWMP / CASDP Permit Approval from State Submitted SWMP / CASDP for approval SWMP / CASDP approved

D-7-04 Permits & Approvals Section 404

Begin permitting process including preparation and submittal of requred letters, applications, and supporting documentation

Section 404 Permits application approved