Code of Massachusetts Regulations
974 CMR - DEVENS ENTERPRISE COMMISSION
Title 974 CMR 3.00 - Site Plan Approval
Section 3.08 - Appendix B

Universal Citation: 974 MA Code of Regs 974.3

Current through Register 1531, September 27, 2024

(1) Figure A: Typical Parking Lot Design Standards.

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Note a. Parking lot & access drive side & rear setbacks shall be as described in the Design Standards

Note b. See Design Standards for complete description of parking lot perimeter and internal landscape requirements.

(2) Figure B: Parking Lot Layout and Design Standards.

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(a) For parking lots greater than 180 feet in either direction, provide intermediate and divider islands as shown above.

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(b) For parking lots 180 feet or less in length (measured along length of aisle), provide intermediate islands as shown above.

(3) Figure C: Parking Lot Design Standards Within Viewshed Overlay District.

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Note a. Parking & access drive side & rear setbacks shall be as described in the Design Standards.

Note b. See Design Standards for complete description of parking lot perimeter and internal landscape requirements.

Note c. Visitor parking may be allowed between building and viewshed sensitive receptor.

(4) Figure D: Favorable Detention/Retention Pond Layout.

(a) Informal/naturalistic: basin layout complements natural topography

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(b) Formal: Basin layout complements overall site design concept

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(5) Figure E: Unfavorable Detention/Retention Pond Layout .

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Rigid Geometry of Basin Layout Does Not Complement Natural Topography of Site.

(6) Figure F: Siting Buildings Within The Viewshed Overlay District. The intent is to utilize existing undeveloped woodland and/or natural topographic features to help visually screen the building from the viewshed sensitive receptor. The following criteria apply:

(a) Where 'X' is equal to or greater than the height of the proposed building, a landscaped visual screen will be required on the side(s) of the building directly facing the sensitive receptor if the building is 2X or greater from the woodland edge. See 974 CMR 3.06(7) Figure G for landscape screen design criteria.

(b) Where 'X' is less than the height of the proposed building, (or no natural vegetative or topographic screen exists), a landscaped visual screen will be required. See 974 CMR 3.06(7) Figure G.

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(7) Figure G: Landscaped Visual Screen Within Viewshed Overlay District.

(a) Where elevation is equal to Elevation C, trees shall be minimum four feet caliper with mature heights equal to or greater than A. Screen shall contain 25% of evergreen trees at ten feet height minimum.

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(b) Where elevation B is lower than elevation C, tree caliper may be reduced by 1/2 inch or evergreen height can be reduced by 2.0 for every three feet of elevation to a min. Size of three feet cal. for deciduous trees, and six feet height for evergreen trees.

Where elevation B is higher than elevation C, deciduous tree sizes shall be increased by 1/2 inch and evergreen tree height increased by two inches for every two feet of elevation difference.

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Note a. A = Height of building. B = Finish grade at face(s) of building directly facing viewshed sensitive receptor. C = Elevation at base of tree where trunk meets finish grade.

Note b. The requirements in this figure may be waived by the DEC if sufficient existing vegitative or topotraphic screening can be utilized to the same effect.

Note c. Tree buffer shall extend full length of building facing sensitive receptor. Trees shall be spaced 20 feet on center minimum. Trees shall be in two staggered rows with five feet minimum offset.

(8) Figure H: Viewshed Overlay District.

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(10) Figure J: Silt Fence.

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(11) Figure K: Haybale Dike.

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Note a. Bales shall be places in a row with ends tightly abutting the adjacent bales.

Note b. Bales shall be securely anchored in place by 2"x2" hardwood stakes or rebar driven through the bales to a depth of one foot six inches minimum below grade; the first stake in each bale shall be angled to force bales together.

Note c. Inspection shall be frequent and repair or replacement will be made promptly as needed throughout duration of contract.

(12) Figure L: Trail Detail.

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Multiple Use Off-road Trail

Trails shall be designated primarily for pedestrian, bicycle, and equestrian use, as appropriate.

The DEC shall determine the finished width.

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(13) Figure M.

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