PLAN REVIEW CHECKLIST
TOWN ADMINISTRATIVE SUBMISSION
o Names and addresses of all abutters
taken from town records not more than five days before filing.
o 8 prints of the plat.
o 1=50 scale.
o 3 reproducible mylars of each plat are
o Approval for Subdivision issued by
the New Hampshire Water Supply and Pollution Control Commission.
o Mylar dimensions are: 17 x 22 inches, or
22 x 34 inches.
o One mylar and two prints will be
returned to the subdivider after the Board reaches a final decision on the
o Proposed subdivision name or
o Name and address of the applicant and
the owner, if other than the applicant.
o Name, address and signature of engineer
o Scale of drawing.
o Title of drawing sheet.
o WSPCC subdivision approval date and
o North arrow
o Date of the plan
o Name, license number and seal of the
engineer and/or surveyor.
o Names of abutting subdivisions, streets,
easements, building lines, parks and public places, and similar facts regarding
o Locus plan showing general location of
the total tract within the town and the zoning district(s). Shall include all
property lines of all adjacent lots and be shown in scale of 1=400.
o Proposed use of each lot.
o Boundaries of the entire parcel of
property being subdivided and the location of all permanent monuments
identified as to whether existing or proposed.
o Location and profiles with
elevations of existing and proposed water mains, sewers, culverts, drains and
proposed connections or alternative means of providing water supply and
disposal of sewage ad surface drainage.
o Existing and proposed easements,
right-of-way, driveways, and buildings or other structures.
o Location of property lines,
including entire undivided lot, lot area in square feel and acres, frontage on
public rights-of-way, and building setback lines. Each lot shall be numbered according to the Town tax map and lot
numbering system. Where wetland soils
constitute any part of the lot, the plan shall show the total area, in square
feet, of each lot and the total, in square feet, of non-wetland soil. In addition, lot-sizing calculations are
required by Section XIII-Bc&d.
o An approval block in the lower left-hand
corner and a title block in the lower right-hand corner of each sheet. The approval block and the title block shall
be drawn in accordance with those shown in Appendix A of these regulations.
o Water courses, ponds, standing water, rock
ledges, stone walls and other natural features; existing and proposed foliage
lines; and open space to be preserved.
o Existing and proposed streets with
names, classification, travel surface widths and right-of-way widths.
o Sufficient data to determine the
location, bearing the length of every street line, right-of-way line, lot line,
easement line and public area line and to permit the reproduction of such lines
upon the ground.
o All dimensions shall be shown to the
nearest hundredth of a foot and all bearings to the nearest half-minute in arc.
o The error in closure of the field
survey and the final plans shall not exceed 1 in 10,000.
o Final road plan and profiles, and
stationing every fifty feet with appropriate curve information, to include the
o A Plan View
to scale as 1=50 Showing:
of proposed streets and proposed bounds.
of all existing and proposed bounds.
o Boundaries of all drainage and pedestrian easements.
o Location, elevation and
description of at least two benchmarks per plan view
o Horizontal location of all drainage structures and required
A Profile View
o Drawn to
o Existing and proposed center-line
profiles of all streets, street stubs, culverts, catch basins and other
o Size, slope and type of all drainage piping.
o Rim and invert elevations of all
catch basins, culverts, headers and other drainage structures.
o If any part of the proposed
development falls within the one-hundred-flood zone, as defined by the Federal
Emergency Management Agency, the location of the flood zone must be shown on
the plan of development showing the flood zone, the floodway and the
o On any lot where an underground
storage tank is existing or proposed, said tank must be shown on the plan with
a note explaining present or proposed use, size and material content.
o Driveway location and designs shall be shown on the plans
for every lot proposed.
o Source of soils information.
o Economic, traffic, and
environmental impact studies shall be provided for all subdivision containing
10 or more lots.
o Title block complete.
o North arrow and scale on all plan view
o Proper cross reference is made between
plan and detail sheets.
o Grading and drainage has been coordinated with adjacent
o Check to make sure that all
right-of-ways and easements are shown, including flowage easements (min width =
o Show block and lot numbers, also
identify tracts, parks, waterways, street names.
o Show all property dimensions.
o Roadway and/or driveway alignment is
o Two benchmarks per plan view.
Label existing information to remain, be removed,
Sheets 22 x 34
o Scale shown both in feet & graphically.
o Is the elevation related to the U.S.G.S.
o X-sections 5 or 10 scale w 1:1ratio, if required
o P.E. stamps on plans & calcs.
o Match lines properly marked on plans.
o Is lighting plan or note included?
o Handicap ramp provided at sidewalks.
o Note: All work to conform to NHDOT Standard
o Are construction notes appropriate?
o 72-hour Dig Safe notice.
o Site Specific approval?
o Wetlands approval? Is the wet area marked properly?
o Subdivision plan checked by LLS.
o Square footage of lot(s) shown.
o Is a review by the Traffic Department warranted?
o Attorney General approval is required for subdivisions
greater than 15 lots or condominiums greater than 10 units.
elevations at all inlets.
topo is shown, including contours at two-foot intervals.
grades are shown. Make sure that they
are at or above flood criteria.
that vertical curves are shown when street grade has a difference of over 1%.
o Show elevations at all low points, high
points, break in grade, and intersections.
Also, show distance and slope between points.
driveways, bike paths, walkways are shown.
that proper typical street section applies to road right-of-way.
applicable, check that proposed grade lines are properly shown.
o Check that finished floor elevation meet
government requirements, building codes, and yard drainage.
o Minimum grade > 0.5%
o Maximum grade < 10%
o 2% maximum slope for 100 approach to
intersections connecting to 3% maximum grade.
o Intersection angle between 70 to 90
o Sight distances adequate at existing
street intersections (See AASHTO Roadways, State of NH Driveways) minimum
400 all season safe sight distance.
o K(min) crest = 30, sag = 40
o Minimum curve radius 200
o Minimum intersection radius 25
o Check cross-sections at existing
intersections for conflicts.
o Cul-de-sac or temporary turnaround
o Are guard rails warranted?
o 7 curb reveal shown on granite curb
o 5 x 18 granite curb shown.
o Note re: pavement shall be applied to
all driveways within the ROW.
o Vertical and Horizontal alignments
o Gutter line grades at transitions to
existing pavement & where the normal required x-slope changes.
o If there is a change in existing road
grade, then profiles are needed for drives. Check for proper access.
o If road > 500 LF, x-sections showing
limits of cuts & fills shall be shown.
o Typical roadway shown.
o Typical driveway shown.
o Cut and fill limits noted on the plan.
o Curb detail, curb line & limits of
o Limits of construction & off-site
improvements (if required) shown.
o Sidewalk details and limits of
o Does roadway dam up any existing swales?
o Cul-de-sacs less than 560
o Primary drainage corresponds with drainage master plan of
o Direction of runoff is shown.
o All low points have provisions for
o Label all pipes and show in pipe
schedule (if one is used) the following:
Length of pipe
Headwalls, if needed
Flow at peak if
pipe schedule is used
Inverts, in and out
o Check that pipe inverts and swale bottom
elevations are coordinated.
o Check for conflicts between drainage
system and other utilities (water and sewer)
o Proper cover provided on pipes.
o Identify types of inlets.
o Identify type of grates.
o N = 0.015, Vmax = 10 fps w/o special
provisions. Vmin = 2.5 fps flowing 1/3
o RCP Class IV under roadways and Class V
or Dip if < 4 of cover.
o RCP Class III cross-country.
o 4 minimum cover.
o 15 minimum diameter.
slopes: 12-.00060, 15-.0045,
18-.0035, 24-.0021, 30-.0018.
36-.0014; v=2.5 fps when 1/3 full & n=0.015 to 0.5 for swales
except level spreaders.
o CBs spaced at maximum of 300 & at
intersections, change in alignment, grade or size, low points.
o Intercept drainage upstream of
o Where does outflow from site go? Is flow
outletted through a headwall? Is off-site sturdy warranted Are there any
adverse affects? Is the swale < 400 long?
o All profiles and plans shown.
o Check for conflicts w/ utilities.
o Check details for CBs, DMHs &
o Drainage Calculations:
o Narrative Provided.
o All inflow to site accounted for.
including off-site areas.
o Runoff boundaries shown.
o Area labels with: area, C & Q
o Check topography around structures,
particularly headwalls of end sections.
o Size, slope & materials of runs
o Check details on ditches & swales.
o Drainage designed for 25-yr storm
for main lines and culverts, 10-yr for laterals.
o Gasket joints specified for pipe.
o Riprap properly-sized at the outfall(s).
o Elevation drop through the invert
o Pipe slopes to be accurate.
o Is the swale size and treatment sufficient
for the proposed velocity?
o Complete title block.
o Check all standard details and complete
by adding any particular information which may be needed.
o Detail titles and identifications are
o Proper cross reference is provided
between plan and detail sheet.
o Check general notes for completeness and
o Typical roadway and/or driveway sections
if different from community engineering standard.
o Pavement design
o Surface course, type and thickness
o Base course, type and thickness
o Sub-base stabilization
o Pavement slopes
o Pavement width
o Curbs and gutters
o Property lines
o All features properly dimensioned.
o Typical grading details if used.
o Lot grading
o Cul-de-sac grading
o Green acres
o Block grading
o Show section for waterway, lake, ditch,
retention basin, etc.
o Maximum side slopes
o Grading up to the property line
o Detail all drainage structures and
systems which are not part of community engineering standards.
o French drains
o Soakage pit
o Slab covered trench
o Control structures (weirs, culverts,
o Check headwall size required to make
sure that the area around the structure has been graded properly.
o Provide details of erosion
protection systems if required.
o Topographic data, including 150 feet
o Building floor elevation and other
o Electrical and telephone lines,
including pole locations, servicing, locating on or adjacent to the property.
o Outline perimeter of heavily wooded
o Location and site of solitary trees
with 6 in. and larger diameter trunk.
o Mean elevations and limits of standing
or flowing water.
o Limits of 100-year flood elevation or
note, if 100-uear flood does not encroach.
o Identify of flood information source.
o Date of survey
o Certification by surveyor.
o Caption giving property location
(local, legal, land subdivision, municipality, County, State).
o Tie to established reference point.
traversed in clockwise direction.
o Type corner markers found and set
o Courses shown if degrees, minutes,
and seconds east or west of a north/south line.
o Traverse closed
o Contiguous property owners indicated
o Curve data shown (points at curvature,
tangency, and compound curvature; radii; central angle; and length and bearings
of long chord).
o Easement descriptions
o Plat scale (1=50)
o Date of survey and plat.