STREET IMPROVEMENT PLAN CHECKLIST DRAINAGE STRUCTURES

[ ] TITLE BLOCKS

*Requires special attention by checker.

[ ] DRAINAGE STRUCTURE DETAILS

[ ] Check Drainage Master Plan for required drain lines.

PLAN VIEW

[ ] Station correlation with street plan. Stationing along pipelines (increasing in upstream direction) with invert elevations at intersections and types of material.

[] * All structures identified and referenced to standard and/or details. Variable dimensions noted, debris racks, protection barriers, headwalls, wingwalls, aprons, cut-off walls, etc.

[ ] * Rip-rap.

[ ] Streets with existing and new utilities, dimensions, names.

[ ] Nuisance water system shown.

[ ] Detail of each local depression.

PROFILE VIEW

[ ] Stationing and elevation of grid, stationing of plan and profile are lined up.

[ ] Structures with reference to standard or detail, invert elevations, lengths and type of pipe, class or strength.

[ ] Existing and finished surface over storm drains.

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