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110 watson road site plan and supporting documents

Other September 25, 2024 · 10 page(s)

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Wes Moore Erik Fisher
Governor Chair
Aruna Miller Katherine Charbonneau
Lt. Governor Executive Director
STATE OF MARYLAND
CRITICAL AREA COMMISSION
CHESAPEAKE AND ATLANTIC COASTAL BAYS
August 12, 2024
Ms. Carolyn Brinkley, Town Manager
Town of Centreville
101 Lawyer’s Row
Centreville, MD 21617
Re: Savage Variance (Tax Map 35H, Parcel 1295)
Dear Ms. Brinkley:
Thank you for providing information regarding the variance referenced above. The applicant is
requesting a variance to Chapter 170-31.12 of the Town of Centreville’s Critical Area Program
to disturb the Buffer to replace an existing deck and construct a new driveway and walkways.
The project is located at 110 Watson Road, Centreville. The 1.24-acre property is located
entirely within the Critical Area on land designated as Resource Conservation Area (RCA) and
Intensely Developed Area (IDA).
Existing lot coverage (dwelling, deck, shed, parking, walkways) is 4,309 square feet (sf).
Proposed lot coverage (dwelling, deck, shed, driveway, walkways) is 3,861 sf which is a
decrease in lot coverage of 448 sf. Two (2) existing gravel parking areas will be removed, and a
new driveway and walkways are proposed. All existing and proposed lot coverage is located
within the IDA.
A site visit was conducted on May 14, 2023; Town staff, Critical Area staff, and consultants for
the project were in attendance. Based on the site visit and a review of the submitted information,
we have the following comments:
Critical Area Buffer
• Per COMAR 27.01.09.01.E(3), the Buffer must be delineated based on existing field
conditions at the time of the development proposal and is measured at least 100 feet
landward from the mean high water line (MHWL) of tidal waters, the edge of each bank
of a tributary stream, and the upland boundary of a tidal wetland. Per COMAR
27.01.09.01.E(7), the Buffer must be expanded when it is contiguous to a steep slope, a
nontidal wetland, a hydric soil, or a highly erodible soil.
• The plan shows several red lines labeled as Buffer. The red line currently labeled “100’
Buffer to Edge of Marsh” appears to be the location of the 100-foot Buffer. However, it is
1804 West Street, Suite 100, Annapolis, Maryland 21401 – (410) 260-3460
dnr.maryland.gov/criticalarea/ – TTY users call via the Maryland Relay Service

Ms. Carolyn Brinkley
August 12, 2024
Page 2
unclear if the edge of the marsh corresponds exactly to the edge of tidal wetlands and/or
if the Buffer must be expanded as required in the bullet above.
• Please have the applicant submit a revised plan showing an accurate Critical Area Buffer,
expanded as required.
• In order to provide timely comments and based on observations made during the site visit
and communication with Town staff and consultants, it is assumed that the entire project
is located within the Critical Area Buffer. If revised information indicates that a portion
of the project is located outside the Critical Area Buffer, then the comments in this letter
regarding the variance request apply only to the portion of the project located within the
Critical Area Buffer.
Variance Request
• The applicant is seeking a variance to locate a driveway and walkways in the Buffer.
Total proposed new lot coverage within the Buffer is 1,365 sf. The applicant proposes to
remove existing lot coverage within the Buffer. A variance is not required to remove lot
coverage from the Buffer.
• The Board of Appeals must determine if the applicant meets all of the Town of
Centreville’s variance standards in order to grant a variance. These include finding that a
literal enforcement of the local Critical Area Program would result in an unwarranted
hardship to the applicant and that the granting of the variance would be in harmony with
the general spirit and intent of the Critical Area Law, the Critical Area regulations, and
the local Critical Area Program. If the Board does grant the variance, the applicant must
provide mitigation in accordance with Town of Centreville’s Critical Area program.
• The proposed pull-off driveway and walkways are something that our office would not
typically support as they are located entirely within the Buffer. However, based on
discussions during the site visit, it is our understanding that the project is being proposed
to address safety considerations. Therefore, we recommend that the Board request
additional clarification from the applicant regarding how the proposal would address the
safety concerns. Specifically, the Board may wish to ask the applicant if the proposal is
the minimum relief needed to address the safety concerns and why the existing gravel
parking areas are not adequate from a safety standpoint.
Mitigation
• If the Board does grant the variance, the applicant must provide mitigation in accordance
with the Town’s Critical Area program. Per COMAR 27.01.09.01-2.H, variances
require 3:1 mitigation for Buffer disturbance.
• The applicant submitted a Buffer Management Plan (BMP) that proposes 10,617 sf of
planting. In addition, twelve (12) trees will be planted offsite at a Town-owned property.
10% Critical Area Stormwater Management
• If a variance is approved for the project, 10% Critical Area stormwater management is
required since the project is located within the IDA. Total lot coverage will decrease, and
the applicant proposes a rain garden and a dry well to provided stormwater management;
therefore, the Critical Area pollutant reduction requirement has been met.

Ms. Carolyn Brinkley
August 12, 2024
Page 3
Other
• The County confirmed that the deck was constructed in 1987; therefore, as long as the
deck is replaced in kind, our office does not have additional comments regarding the deck
replacement.
• The BMP includes 4:1 mitigation for a previous violation identified on the property. As
long as the Town is satisfied that appropriate mitigation has been provided; this office has
no further comments regarding the violation.
• A phragmites removal program has recently altered the shoreline. Due to the loss of land,
it was noted during the site visit that the homeowner may want to explore options for
shoreline stabilization. If so, the Maryland Department of the Environment (MDE) offers
a pre-application meeting to discuss the approval process on-site. Based on
communication with MDE, when reviewing the parcel on the Maryland Shoreline
Stabilization Mapper the program indicates a Living Shoreline would be the preferred
method of shoreline stabilization.
Thank you for the opportunity to provide comments. Please include this letter as part of the
record in this variance application. Please notify the Critical Area Commission of the decision
made in this case. If you have any questions, you may contact me at (410) 260-3476 or
susana.makhlouf@maryland.gov.
Sincerely,
Susan Makhlouf
Natural Resources Planner
cc: Nick Kelly, Critical Area Commission
Claudia Jones, Critical Area Commission
File: CV 0164-24

1
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=
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'22
30'
REAR
SETBACK
PROPOSED
COBBLESTONE DRIVE
005.01
NOTE: BUFFER TO
EDGE OF MARSH
EXTENDS OUTSIDE
OF SHEET.
SEE SHEET BMP-4

GENERAL NOTES
1. THE PURPOSE OF THIS BUFFER MANAGEMENT PLAN IS TO COMPLY WITH THE BUFFER MITIGATION
AND ESTABLISHMENT REQUIREMENTS FOR THE CONSTRUCTION OF A DRIVEWAY, WALKS, REBUILDING
A DECK, AND A RETAINING WALL. THE EXISTING DWELLING IS LOCATED WITHIN THE BUFFER ON A
129.82' GRANDFATHERED LOT.
S
43˚36'57" E
2. THE PROPERTY SHOWN HEREON IS LOCATED ENTIRELY WITHIN THE CHESAPEAKE BAY CRITICAL
AREA.
3. PART OF THE SITE IS DESIGNATED RCA. PART OF THE SITE IS DESIGNATED IDA.
4. FOR CURRENT DEED REFERENCE SEE LIBER 04276, FOLIO 0033
5. FOR PLAT REFERENCE SEE PLAT BOOK 0000, FOLIO 0000
6. ACCESS TO PROPERTY IS ON WATSON RD. OFF CHESTERFIELD AVE.
7. THIS PLAT WAS PREPARED WITHOUT BENEFIT OF REVIEW OF AN ABSTRACT OF TITLE
SEQUENCE OF IMPLEMENTATION
1. CONTRACTOR SHALL ARRANGE PRE-PLANTING MEETINGS WITH COUNTY PLANNING & ZONING
201.52' DEPARTMENT STAFF. AT LEAST 5 DAYS IN ADVANCE OF DISTURBANCES OF ANY LAND ON SITE.
2. REMOVE \ ELIMINATE TURF GRASS AND TILL AREAS TO BE PLANTED TO A DEPTH OF 12 INCHES
3. USE TREE SHELTER TUBES WITH MESH TOPS FOR SEEDLINGS PLANTING TO REDUCE ANIMAL
DAMAGE.
CORSICA RIVER 4. MULCH AROUND LANDSCAPING STOCK TO REDUCE COMPETITION FROM INVASIVE SPECIES.
4. MONITOR THE PLANTINGS OFTEN TO REDUCE PLANT STRESS SUCH AS WATER DEFICIENCY,
NUTRIENT DEFICIENCY, INVASIVE SPECIES COMPETITION, PEST DAMAGE, AND DISEASE.
5. THE CONTRACTOR TO OBSERVE MINIMAL SITE PREPARATION/DISTURBANCE, PROTECTION OF
PLANTS AFTER DELIVERY UNTIL THEY ARE PLANTED, PROPER DIGGING AND HANDLING OF PLANT
MATERIALS, PROPER EXCAVATION OF PLANTING AREAS, PLANTING OPERATIONS, STABILIZATION OF
115.76'
N
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INE MAINTENANCE PLAN
1. MONITOR THE PLANTINGS OFTEN TO REDUCE PLANT STRESS SUCH AS WATER DEFICIENCY,
NUTRIENT DEFICIENCY, INVASIVE SPECIES COMPETITION, PEST DAMAGE, AND DISEASE.
2. WATER ONLY AS NECESSARY BUT AT LEAST ONCE EVERY 10 DAYS WITHOUT RAINFALL FROM MAY
THROUGH SEPTEMBER, DEPENDING ON SOIL MOISTURE LEVELS. MONITOR TO ENSURE THAT
OVER-WATERING DOES NOT FREQUENTLY OCCUR.
3. USE LOW NITROGEN AND SLOW RELEASE FERTILIZERS AND APPLY IN LATE FALL OR EARLY SPRING.
4. AT THE END OF THE 2-YEAR MONITORING PERIOD, THE SURVIVAL OF THE PLANTINGS SHALL BE
ASSESSED TO DETERMINE THE NEED FOR REPLACEMENT PLANTINGS
REQUIRED SURVIVAL
AT THE END OF THE 2-YEAR MONITORING PERIOD FOR PLANTED LANDSCAPE STOCK, ALL OF THE PLANTS
APROXIMATE LINE ARE REQUIRED TO SURVIVE PER COMAR 27.01.09.01-2J. ANY LANDSCAPE STOCK PLANT OR PLANTS THAT DID
OF TOWN LIMITS NOT SURVIVE SHALL BE REPLACED.
IF THE COUNTY DETERMINES THAT SURVIVAL IS NOT ADEQUATE, THE MONITORING PERIOD MAY BE
EXTENDED AND ADDITIONAL INSPECTIONS MAY BE REQUIRED AT THE DISCRETION OF THE COUN
BUFFER MANAGEMENT AND PROTECTION STANDARDS
71.80'
1. REMOVAL OF NATURAL VEGETATION WITHIN THE 100-FOOT BUFFER AND EXPANDED BUFFER IS
PROHIBITED. CUTTING AND CLEARING OF NATURAL VEGETATION WITHIN THE BUFFER AND EXPANDED
BUFFER SHALL BE AS SHOWN ON THIS BUFFER MANAGEMENT PLAN AS SUBMITTED AND OR AS
FLOODPLAIN
SUBSEQUENTLY AMENDED, SUBJECT TO APPROVAL BY THE COUNTY PLANNING AND ZONING OFFICE.
ZONE LINE
ADDITIONAL INFORMATION CAN BE OBTAINED BY CONTACTING THE PLANNING AND ZONING OFFICE AT
N
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PLANTED AND NATURALLY REGENERATED AREAS OF THE BUFFER SHALL BE AS DESCRIBED IN THIS
308.94'
RCA
PLAN.
3. NEW LAWN AREAS SHALL NOT BE CREATED WITHIN THE BUFFER AND EXPANDED BUFFER UNLESS
SPECIFICALLY ADDRESSED IN THIS BUFFER MANAGEMENT PLAN.
0 MEDGE OF MARSH
IDA M INSPECTION AGREEMENT
2
M 1, DARRYL SAVAGE, THE OWNER OF THE SUBJECT PROPERTY, SHOWN HEREON, DO HEREBY GRANT
4 PERMISSION TO THE APPROVING AUTHORITY TO INSPECT THE PLANTINGS AT APPROPRIATE TIMES
M M 6 AT THE ADDRESS PROVIDED BELOW.
M
M 8 STREET ADDRESS: 110 WATSON RD. CENTERVILLE, MD 21617
APROXIMATE LINE
193.18'
M
M
M S 56˚05'13"
W 148.50'
1
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18 REBUILD DECK
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OF TOWN LIMITS
RCA
20 ______________________________________________________________________________3/5/2024________
M M 16" Sycamore Maple 22 RAIN GARDEN A OWNER DATE M
M 0
EDGE OF MARSH M M IDA M 5 + + + + + * + * + + + * * * * * * * + * + + * + + * + + + + + + + + + DECK 22' 24 + B T T H H U I E S F L M F O I C E N A O R L R C M B R U A IT F N I F C E A A R L G M A E R A E N M A A E G P E R N M O T E G N P R T A L M P A L A N A N N D A H T P A H S P E B R P E O R E O N V V A R IS E L I V O I N E S W O ED F A C N O D M A A P R P 2 R 7 O .0 V 1 E .0 D 9 . F 01 O - R 1 - C 7 ONSISTENCY WITH
FLOODPLAIN M + 12" Black Cherry + 2 1
ZONE LINE 24" 1 M 1 a .6 p " l e Stump + + 14" Paper M + ulberry + + + 10 + 3 26" Locust 6 LAWN DOWN DOWN
5 10 N 19˚05'1 2 3" E 4 6 57.7 8 4 + 10 + + + + + + + + + + + + + + + + FRAME + 1 1 7 1 .9 " " P S a t p u e m r p Mulber + + ry + + 24" + L 2 o 0 cus + t + + + + + + + + + + + PLANT BED 26" Cherry 2" Dogwood 2 D W ST E O L R LI Y N G
+ + GRAVEL SHED GRAVEL 4" Holly
15 + PARKING PARKING + 8" Holly 9" Cedar EM 20 + + + + + 13" Norway Maple x X 22.2272.2 11 7 .5" Crape Myrtle
WM
N 27˚54'47" 231.01' 12" Crape Myrtle 16" Crape Myrtle M WV
WATSON ROAD B REMOVE 8" HOLLY
S
S
PROPOSED COBBLESTONE
REMOVE PARKING LEGEND LANDSCAPE LEGEND
DRIVEWAY
REPLACE WITH
GARDEN
REMOVE FOREST EDGE CANOPY TREE
13" NORWAY MAPLE 2" CAL. 8' HT. +
EXISTING TREE TO REMAIN
24" Maple
CANOPY TREE
1" CAL. 6' HT.
EXISTING TREE REMOVED
14" Stump
Darryl Savage
MEAN HIGH WATER UNDERSTORY TREE
+
SITE PLAN 1" CAL. 6' HT. 110 Watson Road
BUFFER Centerville, Maryland 21617
SCALE 1" = 30' LARGE SHRUB
M EDGE OF MARSH 1 GAL. 4' HT. +
BUFFER MANAGEMENT PLAN
FLOODPLAN ZONE
SMALL SHRUB
+
1 GAL. 18" HT. AS NOTED EB
LIMIT OF DISTURBANCE
6.10.2024
Revised: 7.30.24
PROPERTY LINE
Revised: 8.13.24
Revised: 8.15.24
EXISTING FOREST COVER
'57.83
339.8'
19.75'
1 1 DRY WELL 72.75 cu ft
BUFFER
TO EDGE OF MARSH
'57.12
I hereby certify that these
documents were prepared or
approved by me, and that I am
a duly licensed professional
Landscape Architect under the
laws of the State of Maryland.
License No.: 627
Expiration Date: 09-19-2025
CURRENT FIELD SURVEY
RECORDED BY
RYAN ANDERSON #22071
MCCRONE
320 PENNSYLVANIA AVENUE
CENTERVILLE, MARYLAND 21617
410-758-2237
SEPTEMBER 2023
NOTE: BUFFER TO
EDGE OF MARSH
EXTENDS OUTSIDE
OF SHEET.
SEE SHEET BMP-4
BMP - 1 OF 4

NOTE: ADJUST PLANT LOCATION
TO FIT SITE CONDITIONS.
M
AVOID DISTURBANCE OF
EXISTING VEGETATION. 100' BUFFER
TO MHW
M
5 Winterberry
5 Redbud M
M
M
12 Hydrangea
M
S
5
10 Black Locust 1 9 3 9 Clethra M 6 ˚0 5
.1 '1
8 3
' "
W
M 1 4
40 Goldenrod 8 .5
0
'
7 Clethra
M
3 Red Cedar 12 Sumac
RCA IDA
RCA M RAIN GARDEN A
6 Itea 3 Winterberry 20 Bluestem
M
16" Sycamore Maple
11 Spiderwort
M
M 6 Clethra 1 Redbud
*
M * * * *
EDGE OF MARSH * * * * * * + + + + +
M + * + + + +
+ + + + + +
+ +
+ DECK
M + + + + +
+
FLOODPLAIN + 12" Black Cherry 12 Christmas Fern
ZONE LINE M 4 Winterberry 5 Ostrich Fern
+ DOWN
11.6" Stump
14" Paper Mulberry
+
+
LAWN 17 PA Sedge DOWN
24" Maple + + + + 26" Locust 42 Christmas Fern 54 Aster
IDA 17.9" Stump
24" Locust 18 Ostrich Fern 17 Inkberry
+ + + + + + 60 PA Sedge
5 Boxelder
5
N
19˚05'13"
E +
+
+
+ + + + + + + 11" Paper Mulber + ry + + + + +
+
+
+
+
+
+
+
+ 26" Cherry
2" Dogwood 2
D W
ST
E
O
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R
LI
Y
N G
+ +
57.74 +
+ + FRAME
1 0 4" Holly
+ + SHED PROPOSED COBBLESTONE 9" Cedar E M
1 5 + + DRIVEWAY 8" Holly
11.5" Crape Myrtle
+ + 20 Coralbells
16 Northern Bayberry + + + 13" Norway Maple
X
22.27
0 7 Sage x 22.27 WM
2
16" Crape Myrtle WV
N 27˚54'47" 231.01'10 Sage 12" Crape Myrtle M
B
WATSON ROAD 19 Viburnum
S 4 Serviceberry (NOT INCLUDED) S
16 Christmas Fern 10 Sage
7 Ostrich Fern
22 PA Sedge
1 Inkberry
12 Joe Pye 4 Serviceberry
15 Clethra 3 Inkberry
2 Inkberry (male)
6.460
DOWNSPOUT
PLANTING PLAN 35 Phlox
Darryl Savage
SCALE 1" = 30' 110 Watson Road
Centerville, Maryland 21617
LIMIT OF
RAIN GARDEN
BUFFER MANAGEMENT PLAN
RAIN GARDEN A
1/4" = 1'-0" AS NOTED EB
6.10.2024
Revised: 7.30.24
Revised: 8.13.24
Revised: 8.15.24
BMP - 2 OF 4
334.6

BUFFER MANAGEMENT SITE STATISTICS PLANT PALETTE
SITE AREA = 53,961 sq. ft. (1.239 ac +/-)
TREES
SITE AREA WITHIN CRITICAL AREA = 53,961 sq. ft. (1.239 ac +/-)
QUANTITY BOTANICAL NAME - COMMON NAME SIZE
AREA WITHIN 100' CRITICAL AREA BUFFER = 34,662.6 sq. ft. (.8 ac +/-)
5 Acer negundo – Boxelder 2" cal.
AREA WITHIN 200' EXPANDED BUFFER = 53,961 sq. ft. (1.239 ac +/-)
8 Amelanchier grandiflora ‘Autumn Brilliance’ - Serviceberry 6-8’ tall
AREA IN RCA = 29,898 sq. ft. (.69 ac.)
6 Cercis canadensis - Eastern Redbud 2" cal.
AREA IN IDA = 24,062 sq. ft. (.66 ac.)
3 Juniperus virginiana – Red Cedar 6’t
10 Robinia pseudoacacia – Black Locust 2"cal.
IMPERVIOUS AREA (ALLOWED)
15% RCA = 8,094.15 sq. ft
SHRUBS
100% IDA = 24,062 sq. ft.
37 Clethra alnifolia – Summersweet #1
21 Ilex glabra 'Compacta' - Compact Inkberry #1
EXISTING LOT COVERAGE
2 Ilex glabra 'Squeeze Box' – Male Inkberry #1
RCA 0 sq. ft.
10 Ilex verticillata ‘Little Goblin’ – Winterberry #1
IDA DWELLING/SHED/DECK = 2496.1 sq. ft.
2 Ilex verticillata 'Southern Gentleman' – Male Winterberry #1
PARKING/WALK =1813.25 sq. ft. TOTAL: 4,309.35 sq. ft.
6 Itea virginica ‘Henry’s Garnet’ – Summersweet #1
12 Hydrangea arborescens – Smooth Hydrangea #1
PROPOSED LOT COVERAGE
16 Myrica pensylvanica – Northern Bayberry #7
RCA 0 sq. ft. 0%
12 Rhus glabra - Smooth Sumac #1
IDA DWELLING/SHED = 2496.1 sq. ft.
19 Viburnum x pragense’ – Prague Viburnum #7
DRIVEWAY/WALKS = 1364.55 sq. ft. TOTAL: 3,860.65 sq. ft. (0.09 ac +/-) 4.7%
-- NON NATIVE, NOT INCLUDED IN MITIGATION.
NET DECREASE 493.7 sq. ft.
PERENNIALS & GRASSES
CRITICAL AREA 10%
54 Aster divaricatus - White Wood Aster 1 qt
3,860.65 sq. ft. Coverage x 10% = 386 sq ft. REQUIRED
99 Carex pensylvanica - Pennsylvania Sedge 1 qt
RAIN GARDEN A = 215 sq. ft.
12 Eupatorium dubium – Joe Pye Weed 1 qt
DRY WELL = 291 sq. ft.
20 Heuchera americana – Coral Bells 1 qt
TOTAL PROVIDED = 506 sq. ft.
30 Matteuccia struthiopteris - Ostrich Fern 1 qt
70 Polystichum acrostichoides – Christmas Fern 1 qt
AREA CLEARED OR DISTURBED = 2,807 sq. ft.
27 Salvia lyrata – Lyre Leaf Sage 1 qt
MITIGATION REQUIRED 1:3 = 8,421 sq. ft.
20 Schizachyrium scoparium – Little Bluestem 1 qt
40 Solidago sempervirens – Seaside Goldenrod 1 qt
VIOLATION
11 Tradescantia virginica - Spiderwort 1 qt
PENALTY: NUMBER OF TREES CLEARED = 2 (# 0F TREES)
MITIGATION FOR PENALTY: 2 X 4 = 8 TREES AT 2-1/2" TO 3" CALIPER
FEE IN LIEU (1600 sq. ft. X $1.50) = $2,400.00
LANDSCAPE SCHEDULE NOTES
PLANTING PLAN AND LANDSCAPE SCHEDULE 1. ALL PLANT SPECIES SHALL BE NATIVE TO THE CHESAPEAKE AND ATLANTIC COASTAL BAYS
REGION BASED ON THE U.S. FISH AND WILDLIFE SERVICE PUBLICATION, NATIVE PLANTS FOR
WILDLIFE HABITAT AND CONSERVATION LANDSCAPING.
STEP ONE
2. SPECIES CLASSIFICATION (CANOPY TREE, UNDERSTORY TREE, ETC.) IS IN ACCORDANCE WITH
-DISTURBANCE TO THE EXPANDED BUFFER.
MATURE HEIGHTS AS SET FORTH IN THE U.S. FISH AND WILDLIFE SERVICE PUBLICATION,
-MITIGATION IS REQUIRED.
NATIVE
PLANTS FOR WILDLIFE HABITAT AND CONSERVATION LANDSCAPING.
STEP TWO
3. SPECIES HAVE BEEN SELECTED BASED ON AN ANALYSIS OF SURROUNDING NATIVE FOREST
-SHORE EROSION CONTROL
AND DEVELOPED WOODLAND COVER.
-BUFFER DISTURBANCE MITIGATION
4. SHRUB SPECIES COMPRISE _43_ PERCENT OF THE PROPOSED PLANTING, WHICH
AREA DISTURBED 2,807 SQ. FT. X MITIGATION RATIO 1:2 = 8,421 SQ. FT
DOES NOT EXCEED 50 PERCENT OF THE OVERALL PLANTING.
5. THE QUANTITY OF ANY SINGLE SPECIES DOES NOT EXCEED 20 PERCENT OF THE OVERALL
STEP THREE
PLANTING
MITIGATION FOR CLEARING TREES
6. OFF-SITE TREES (12) TO BE MARYLAND NATIVE. CONTACT TOWN OF CENTEREVILLE PUBLIC
-1 INVASIVE SPECIES TREES TO BE REMOVED = 1 TREE PLANTED
WORKS TO DETERMINE DESIRED SPECIES AND LOCATION WHERE 12 TREES CAN BE PLANTED
ON TOWN PROPERTY.
VIOLATION
MARYLAND NATIVE TREES INCLUDE; Acer negundo – Boxelder, Acer rubrum – Red Maple, Celtis
2 TREES REMOVED = 4:1 = 8 TREES TO BE PLANTED
occidentalis – Common Hackberry, Juniperus virginiana – Red Cedar, Robinia pseudoacacia – Black
Locust, Salix exigua – Coyote Willow, Ulmus americana - American Elm
STEP FOUR
TOTAL MITIGATION
BUFFER DISTURBANCE = 2,807 SF 3:1 = 8,421 SF
TREE CLEARING = 1 TREES 3:1 = 3 TREES = 600 SF DRY WELL DETAILS
VIOLATION = 2 TREES 4:1 = 8 TREES = 1,600 SF
TOTAL MITIGATION = 10,621 SF
STEP FIVE
RAIN GARDEN CONSTRUCTION NOTES
ESTABLISHMENT FOR DEVELOPMENT OUTSIDE THE BUFFER
-SITE IS INSIDE EXPANDED BUFER. 1 RAIN GARDENS SHALL BE CONSTRUCTED AFTER ALL UPSTREAM AREAS
HAVE BEEN STABILIZED WITH EITHER IMPERVIOUS SURFACES OR TOPSOIL AND
STEP SIX VEGETATION.
ADJUST FOR FOREST COVER 2 RAIN GARDEN EXCAVATION SHALL BE ROUGH AND UNCOMPACTED. IF
-SITE AREA = 81,314.9 sq. ft. (1.86 ac+/-)
SMEARING OF BOTTOM OR WALLS OCCURS, SCRATCH WITH A RAKE AS
-SITE AREA WITHIN CRITICAL AREA = 81,314.9 sq. ft. (1.86 ac+/-)
NECESSARY TO EXPOSE ROUGH EARTH.
-AREA WITHIN 100' CRITICAL AREA BUFFER = 66,247.9 sq. ft. (1.52 ac. +/-)
3 LANDSCAPING MATERIALS SHOULD BE INSTALLED DURING THE SPRING
-APPROX. 7,973 SQ. FT FORESTED WITHIN 100' BUFFER
OR FALL IF POSSIBLE.
-APPROX. 4,767 SF FORESTED OUTSIDE 100' BUFFER
AND WITHIN EXPANDED BUFFER 4 OVERFLOW FROM RAIN GARDEN SHALL BE DIRECTED OVER A 3" DEEP
BY 10' WIDE DEPRESSION IN THE PERIMETER BERM AND SHALL NOT BE A
STEP 7 SOURCE OF DOWNSTREAM EROSION.
CLUSTER PLANTING EVALUATION THE OWNER IS ENCOURAGED TO ENHANCE THE VISUAL APPEAL OF THE RAIN
-TOTAL MITIGATION IS LESS THAN ONE ACRE GARDEN BY USING STONE OR TIMBER RETAINING WALLS INSTEAD OF USING
EXCAVATED SOIL. EPDM LINER MAY BE NEEDED TO MAKE A WATERTIGHT WALL.
CLUSTER OPTIONS
SOIL SPECIFICATIONS
MAXIMUM
CREDIT MAXIMUM 1 THE RAIN GARDEN PLANTING SOIL SHALL HAVE A COMPOSITION OF 50%
VEGETATION TYPE MINIMUM SIZE ELIGIBLE FOR CREDIT PERCENT QUANTITY
ALLOWED SAND, 20% WOOD CHIPS LEAVES, AND 30% TOPSOIL.
OF CREDIT
(SF) 2 SOIL SHALL BE OF UNIFORM COMPOSITION, FREE OF STONES, STUMPS,
PLANTING CLUSTER 1 CANOPY TREE W/ 3 LARGE SHRUBS OR 300 N/A N.A. ROOTS OR SIMILAR OBJECTS LARGER THAN ONE INCH.
1 1 CANOPY TREE W/ 6 SMALL SHRUBS 3 SOIL SHALL BE FREE OF DEBRIS AND PLANTS (OR PLANT PARTS) OF
PLANTING CLUSTER 2 UNDERSTORY TREES W/ 3 LARGE SHRUBS 350 N/A N.A. BERMUDA GRASS, QUACK GRASS, JOHNSON GRASS, MUGWORT, NUTSEDGE,
2 OR 2 UNDERSTORY TRES W/ 6 SMALL SHRUBS POISON IVY, OR CANADIAN THISTLE.
4 PLANTING SOIL SHALL BE OVERFILLED BY 2-3" TO ALLOW FOR SETTLING.
STEP 8 DO NOT COMPACT.
TOTAL REQUIRED BUFFER PLANTING
MAINTENANCE CRITERIA:
BUFFER DISTURBANCE MITIGATION 8,421 SF
VIOLATION 1,600 SF 1 WATER PLANTS LIBERALLY THE FIRST GROWING SEASON AND DURING
BUFFER ESTABLISHMENT + 0 SF PERIODS OF DROUGHT THEREAFTE
2 REMOVE ACCUMULATED TRASH AND VEGETATIVE DEBRIS EVERY FEW
TOTAL PLANTING REQUIRED 10,021 SF MONTHS AND ENSURE THAT INFLO PIPE(S) FLOW FREELY.
3 PRUNE AND REMOVE DEAD VEGETATION PERIODICALLY, AS WITH ANY
PLANTING
LANDSCAPE BED. IF SPECIFIC PLA ARE NOT SURVIVING, REPLACE WITH A
33 TREES REQUIRED
DIFFERENT SPECIES. WATERING MAY BE REQUIRED DURING PROLONGED DRY
21 TREES ON SITE
PERIODS.
12 TREES TO BE PLANTED OFF SITE (See Note #6.)
Darryl Savage
33 TREES PROVIDED 5,400 4 SILTS AND SEDIMENT SHOULD BE REMOVED FROM THE SURFACE OF
THE FILTER BED WHEN ACCUMULAT EXCEEDS ONE INCH.
110 Watson Road
50 LARGE SHRUBS REQUIRED THE TOP FEW INCHES OF FILTER MEDIA SHOULD BE REMOVED AND REPLACED Centerville, Maryland 21617
57 LARGE SHRUBS PROVIDED 2850 WH
WATER PONDS FOR MORE THAN 48 HOURS.
67 SMALL SHRUBS REQUIRED 5 REFRESH MULCH WITH AN ADDITIONAL THIN LAYER ANNUALLY. REMOVE
61 SMALL SHRUBS PROVIDED 1525 ALL MULCH AND REPLACE WITH NEW THREE-INCH LAYER EVERY 3-5 YEARS. RAIN GARDEN DETAILS BUFFER MANAGEMENT PLAN
421 PERENNIALS REQUIRED AS NOTED EB
421 PERENNIALS PROVIDED 842
6.10.2024
TOTAL PLANTING PROVIDED 10,617 SF Revised: 7.30.24
Revised: 8.13.24
Revised: 8.15.24
BMP - 3 OF 3

115.76' S 43˚36'57"
E
115.76' S 43˚36'57"
E
129.82' 129.82'
N 61˚27'03" E
308.94'
N 61˚27'03" E
308.94'
193.18' 193.18'
20
15 10
N
5 19˚05'13" E 57.74 M M
M
201.52'
20
15 10
N
5 19˚05'13" E 57.74 M M
M
201.52'
24" Maple 11.6" Stump M 24" Maple 11.6" Stump M
M 273.32' M 273.32'
S 11" Paper Mulbe
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N 32˚53'33" E
S 11" Paper Mulbe
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N 32˚53'33" E
24" Locust M PROPERTY LINE 24" Locust M PROPERTY LINE
26" Locust 12" Black Cherry M M 26" Locust 12" Black Cherry M M
M EDGE OF MARSH M EDGE OF MARSH
N 27˚54'47"231.01'
M 71.80'
N 27˚54'47"231.01'
M 71.80'
M M
3 6
8' B U F F E R 230.950 12" Crape Myrtle 13 1 " 6 N " o C r r w a a p y e M M a y p rt l l e e 8" Holly
M
X
B
22 9 2 . 6 " 2 7 " C C e h d e a r r ry 11.5" 4 C " r a H p o e l ly Myrtle 2" Dogwood DO DO W WN N 16" Sycamore Maple S 56 M ˚05'13" W148.50' M M M
E
P S
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G
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3 6
8' B U F F E R 12" Crape Myrtle 13 1 " 6 N " o C r r w a a p y e M M a y p rt l l e e 8" Holly
M
X
B
22 9 2 . " 6 2 7 " C C e h d e a r r ry 11.5" 4 C " r a H p o e l ly Myrtle 2" Dogwood DO DO W WN N 16" Sycamore Maple S 56 M ˚05'13" W148.50' M M M
E
P S
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S WVWM EM S WVWM EM
EXPANDED BUFFER EXPANDED BUFFER
EXPANDED BUFFER ILLUSTRATION 1 BUFFER TO EDGE OF MARSH EXPANDED BUFFER ILLUSTRATION 2 BUFFER TO EDGE OF MARSH
EXPANDED BY 4' FOR EVERY EXPANDED BY 4' FOR EVERY
1" = 50' 1" = 50'
1% OF SLOPE. 1% OF SLOPE.
67% SLOPE X 4" = 268' + 100' BUFFER 67% SLOPE X 4" = 268' + 100' BUFFER
TO EDGE OF MARSH TO EDGE OF MARSH
Darryl Savage
110 Watson Road
Centerville, Maryland 21617
BUFFER MANAGEMENT PLAN
AS NOTED EB
6.10.2024
Revised: 7.30.24
Revised: 8.13.24
Revised: 8.15.24
BMP - 4 OF 4