Elevation Design Guidelines - State of New Jersey

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Elevation and Existing Façades – Design ConsiderationsAn evaluation of elevation options for the principal designelements of an historic home should include considerationof its most important feature, called the façade, andits entryway. The façade faces the street, and is oftenthe most-highly decorated of all building elevations.This featureestablishes theKEY PRESERVATION GOAL:purpose and • Use historic buildingplacement of all façade and entry featuresto develop new designother elementselements.within the frontbuilding face, and sets the stage for the design of eachadjoining façade.Most historic façades feature a prominent and centrallocation for the front entrance door, which may befurther defined by entrance steps, porches, and adjoiningwindows. Other defining features include the size, extent,symmetry, and character of façade treatments andornamentation. The elevation design plan should focusthese design elements to minimize visual impacts to thehistoric structure. New stairs and landings introduced tocompensate for elevation changes must complement thedesign of the existing front façade, which may alreadyinclude porch structures and related details.Porch structures and associated roof, column, andbalustrade elements provide design references thatshould be incorporated in elevation design proposals.Placement of new foundation, base and sub-storeyelements should also coincide with existing verticalreferences to porch columns and other repeating façadeelements.Important façade elements set the stage for theplacement of all other elements.New sub-storey elements should coincide withexisting vertical references to columns.Structural supports take into account the locationof prominent features and repeat vertical elements.Shown here is 116 Ballentine Street (demolished),circa 1880, Bay St Louis.Hancock County Historical SocietyElevation changes need to complement existingfaçade, porches, and related details.20 Section 3: ARCHITECTURAL DESIGN GUIDELINES Mississippi Development Authority ELEVATION DESIGN GUIDELINES
Placement of new structural supports should accountfor the location of prominent external façade designelements and reflect or complement existing repeatingvertical elements on the façade, such as columns, posts,or other trim details. This approach promotes continuityof the historic design elements of the façade as they areexpressed through the new base treatments, therebyminimizing the visual impacts of the new elevation changeon the historic building as a whole.Other significant façade components, such aschimneys and major masonry features, require specialconsideration in an elevation design project. In orderto maintain their historic and functional attributes,these masonry elements require continued physicalconnections to established grade conditions within theproject site. Adapting major masonry features to addresselevation changes may shape the overall strategy of anelevation design project.Elevation and New Foundations – Screeningand Scale Minimization ConsiderationsAppropriate measures to reduce or eliminate adversevisual effects resulting from the elevation of an historicresidential structure will depend upon the extent of thenew elevation proposed and proportion of the new basearea. When establishing the proposed elevation, theapplicant and elevation design consultant should prepareplans that include appropriate screening and othertreatments for the elevated residence.The proposed screening approaches for an elevationdesign plan should focus on providing new visual buffersto the elevated area. Related design approaches mayalso focus on providing new shielding elements thatcreate a gradual transition for the space between theexisting ground level to the new first floor level. Theseapproaches can reduce the negative visual effects ofelevating an historic property in a manner that maintainsor complements its character and setting.Significant façade components such as majormasonry features require special consideration.Landscape screening strategies can provide aneffective means to minimize the visual impactsof elevation.Existing façade features offer direction to theelevation design project through architectural designreferences that can be repeated, contrasted, orcomplemented within the new base or sub-storeylevels. Both architectural and landscape screeningstrategies can provide effective means to minimizethe visual impacts to the historic residence.Small panel treatments can provide effectivescreening for limited elevation changes.Library of Congress, Prints and Photographs Division,Historic American Buildings Survey, ReproductionNumber (HABS, ALA, 49-MOBI, 224-3)For new base or sub-storey proposals,architectural screening approaches may take theform of open or enclosed panels of various sizes.These panels can be designed to cover the newlyelevated foundation areas. Small panel treatmentsmay include new lattice patterns or other designsfor projects with limited elevation changes.Mississippi Development Authority ELEVATION DESIGN GUIDELINESSection 3: ARCHITECTURAL DESIGN GUIDELINES21
Page 3 and 4: Table of Contents1. Introduction...
Page 6 and 7: owners, this principle is of utmost
Page 10 and 11: Guidelines will facilitate necessar
Page 12 and 13: Site DesignGuidelinesThe overall ch
Page 16 and 17: On parcelsKEY PRESERVATION GOAL:wit
Page 18 and 19: elements withKEY PRESERVATION GOAL:
Page 22 and 23: Historic Building Types and Archite
Page 26 and 27: To achieve scaleKEY PRESERVATION GO
Page 28 and 29: Architectural Design Guidelines - S
Page 30 and 31: Architectural Metals• Retain and
Page 32 and 33: • Replace a deteriorated window o
Page 34 and 35: within the designated velocity zone
Page 36 and 37: Table 4-1 provides estimated elevat
Page 38 and 39: Relationship of Foundation Design t
Page 40 and 41: Screening Panel ConfigurationsFound
Page 42 and 43: ElevationDesign -Next StepsSections
Page 44 and 45: Open Foundation AlternativesAt Grad
Page 46 and 47: Elevation Design ConsiderationsNeig
Page 48 and 49: Resources and PublicationsNational
Page 50 and 51: Gulf Coast. The manual also provide
Page 52 and 53: Coastal Mississippi Historic Buildi
Page 54 and 55: Cape Cod• Symmetrical appearance
Page 56 and 57: TYPE: Pyramidal (Complex Roof)This
Page 58 and 59: TYPE: I-House Two-Storey Box (Side
Page 60 and 61: Summary Description of BeachBouleva
Page 62 and 63: HENLEYBOOKTERRAMONEDAPost-Hurricane
Page 64 and 65: Harrison CountyHistoric Preservatio
Page 66 and 67: Summary Description of theDowntown
Page 68 and 69: PORTERIROQUOISHOPKINSRASADOMAINMAYC
Page 70 and 71: Summary Description of the EastCent
Page 72 and 73: MAYCOCKREEDBAPTISTDUKATENICHOLSBELL
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Summary Description of theEdgewater
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Post-Hurricane Katrina - Edgewater
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Summary Description of thePoint Cad
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Post-Hurricane Katrina - Point Cade
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Summary Description of theWest Beac
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GALAXYQKEESLERROSELLEPORTERPost-Hur
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Individually Designated Local Landm
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• The Commission may approve, den
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Post-Hurricane Katrina - Scenic Dri
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Jackson CountyHistoric Preservation
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CLARKSTATEHANDYPre-Hurricane Katrin
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CLARKSTATEHANDYOld Ocean Springs an
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How Has the Historic District Chang
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BLOUNTSTATEHANDYPost-Hurricane Katr
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Summary Description of Lover’sLan
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Post-Hurricane Katrina - Lover's La
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Summary Description of ShearwaterNa
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Pre-Hurricane Katrina - Shearwater
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Shearwater and Sullivan-Charnley Hi
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Summary Description of theFront Str
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Post-Hurricane Katrina - Front Stre
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Glossary of TermsArchitectural Term
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National Historic LandmarkAn histor
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discharge the base flood without cu
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Substantial DamageDamage of any ori
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Elevation Design Guidelines - State of New Jersey

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