HomeMy WebLinkAboutH-25 MULTI-FAMILY - FDP210008 - DOCUMENT MARKUPS - ROUND 2 - STORMWATER-RELATED DOCUMENTS (3)Included N/A
Title block
Name of project and/or subdivision
Legend with symbols, abbreviations, etc.
Vicinity map or Key map
Typcial drawing scales: 1” = 20’, 30’, 40’ or 50’
North Arrow on all sheets
Date of preparation
City signature block
Ditch company signature block (if applicable)
FP On final plans: Stamp and signature of Colorado licensed Professional Civil Engineer in accordance
with Colorado State Statutes and Board Rules
Existing prominent features (waterways, irrigation ditches, vegetation, etc)
Existing site information (building footprints, parking lots, roadways, street names)
Existing boundary lines of the property, including: right of way lines, lot lines and existing
easements
Existing utilities locations
Existing topography (contours should extend 50' outside of property boundary or show
relationship to adjacent properties)
Demolition information shown and called out on this plan
Existing prominent features (waterways, ponds, major utilities, irrigation ditches, vegetation lines,
trees, natural habitat buffer zones, etc)
Existing and proposed site plan information (building footprints, parking lots, roadways, street
names)
Existing and proposed boundary lines of the subdivision or project, right of way lines, lot lines,
easements
Existing utilities locations where drainage design affects the existing utility
Existing and proposed contours (contours should extend 50' outside of property boundary or show
relationship to adjacent properties)
Easements: Proposed drainage easements shown for public storm lines, detention ponds, outfall
pipes from ponds, volume‐based LID systems
LID: Type of LID and location of LID systems clearly shown and called out on this plan.
verify subgrade material depths meet FCU minimum requirements
max run‐on ratio for bioswales 10:1; max run‐on ratio for pavers 3:1
for pavers: include impervious membrane adjacent to buildings
underdrain included in the design and shown in the plans; min underdrain size is 4"
inflow forebay or level spreader included for rain gardens and sand filters
review landscape plan for appropriate plantings in raingardens, bioswales, sand filters
no trees in raingardens
FP Erosion control around perimeter of raingardens or other LID's ‐ Note on grading plans: Please
refer to the erosion control plan sheets and report for temporary control measures and
construction sequencing that shall be used in order to prevent loading of this LID drainage facility
with sediment during construction.
Date:
Project Name:
PDP and FP Drawing Checklist
General Plan Requirements
Existing Conditions and/or Demolition Plan (if applicable)
Overall Grading Plan
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Project Name:
PDP and FP Drawing Checklist
Underdrains: horizontal locations are shown and make sense relative to the surface or subsurface
grading
cleanouts at bends and tees
FP invert elevations shown at junctions
minimum pipe size is 4"
Stormwater outfall identified on the plans
Proposed flow arrows and slope labels
Proposed spot elevations
Proposed storm sewers, culverts, manholes, cross‐pans, other
Detention Basins: max slope in detention basins 4:1
pipe outlets (FES's) and outlet structures tucked into embankments and not sticking out
review landscape plan for appropriate plantings in detention basins
no trees in swale centerlines
FG at least 6" below FF elevation (varies depending on site plans)
max slope away from buildings 3:1
FP
individual lot grading details: FF's, MO's, lot line swales, front and back lot grades, grade breaks
FP typical lot grading details
ROW lines, property lines and easements with dimensions shown
Curb and gutter, cross‐pans, sidewalks (attached or detached) and medians shown
Water, Wastewater and Storm Sewer: show the existing and proposed system layouts including
sizes of all mains; a minimum horizontal separation of 10' shall be maintained between all utility
mains
Dry Utilities: Existing and proposed gas, electric, telephone, cable, etc.
Proposed private subdrains (if applicable)
Existing irrigation ditches shown
Match lines with corresponding sheet numbers referenced
Phasing lines (if applicable)
FP size, type and class of all portions of storm sewer with lengths measured from manhole centers
FP manhole type, diameters
FP longitudinal stationing
FP matchlines with stationing and sheet numbers
FP phase lines (if necessary)
FP existing ground and proposed ground shown in profile
FP Manhole rim and inflow/outflow invert elevations
FP include 100‐yr HGL's in the profile
FP include all wet utility crossings and dry utility crossings in the profile
FP identify each segment of each storm sewer as "private" or "public"
FP A minimum vertical clearance of 18" shall be maintained when crossing all other utilities.
Detailed Grading Plan
Overall Utility Plan
Storm Sewer Plan and Profile Sheets
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Project Name:
PDP and FP Drawing Checklist
FP Applicable FCU standard storm sewer details
FP Applicable FCU standard LID details
FP Other stormwater details such as: emergency spillway, concrete pan, soft pan, others?
FP Details of special connections, crossings or construction specific to this project
FP Any modified details are clearly labeled or distinguished from the standard details
No trees shall be planted within 10' of storm sewer mains
No shrubs shall be planted within 4' of storm sewer mains
Verify that the note listing these minimum separation distances is included on the landscape plan.
All existing easements shown
All proposed drainage easements shown
Site and Landscape Plans
Plat
Construction Detail Sheets
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