Dobbins JLUS IMP Public Draft Light Pollution Study | Page 178
301.2 Properties in more than one lighting area.$SURSHUW\ORFDWHGLQ PRUHWKDQRQHRIWKHOLJKWLQJDUHDV
GHVFULEHGZLWKLQWKLVFKDSWHUVKDOOEHFRQVLGHUHGWREHRQO\LQWKHPRUHUHVWULFWLYHOLJKWLQJDUHD
301.3 Map of Lighting Areas./LJKWLQJDUHDVPD\EHYLHZHGDWKWWSJLVSLPDJRYPDSVPDSJXLGH
Chapter 4
Lighting Sources, Illumination Levels and Shielding Requirements
Section 401
Total Outdoor Light Output and
Shielding Requirements
401.1 General. 7DEOHSURYLGHVUHTXLUHPHQWVRIWKHWRWDOOLJKWRXWSXWSHUPLWWHGSHUDFUHIRUWKHGLIIHUHQW
OLJKWLQJDUHDVDQGWKHIL[WXUHVKLHOGLQJUHTXLUHPHQWVIRUODPSW\SHDQGOLJKWLQJDUHD7KHVHUHTXLUHPHQWVVKDOO
EHPHWIRUDOOOLJKWLQJLQVWDOODWLRQVVXEMHFWWRWKLVFRGHXQOHVVVSHFLILFDOO\H[HPSWHGE\&KDSWHUVDQG
401.2 Total outdoor light output.7RWDORXWGRRUOLJKWRXWSXWVKDOOQRWH[FHHGWKHOXPHQOLPLWVOLVWHGLQ7DEOH
,QWKHWDEOH³WRWDO´PHDQVWKHVXPRIVKLHOGHGDQGXQVKLHOGHGOLJKW
401.2.1 Determining compliance. )RU GHWHUPLQLQJ FRPSOLDQFH ZLWK WKLV FKDSWHU WKH WRWDO OXPHQV LV
WKHVXPRIWKHIROORZLQJ
2QHKXQGUHGSHUFHQWRIWKHOXPHQVIURPRXWGRRUOLJKWIL[WXUHVLQVWDOOHGRQJUDGHRQSROHVDQG
LQVWDOOHGRQWKHWRSRUVLGHVRIEXLOGLQJVRIRWKHUVWUXFWXUHV
)LIW\SHUFHQWRIWKHOXPHQVIURPXQGHUZDWHUOLJKWIL[WXUHVXQOHVVWKHIL[WXUHLVDLPHGDWDQDQJOHRI
OHVVWKDQGHJUHHVDERYHWKHKRUL]RQWDOLQZKLFKFDVHWKHFDOFXODWHGOXPHQVLVFDOFXODWHGDW
SHUFHQWRIWKHUDWHGOXPHQV
)L[WXUHVLQVWDOOHGXQGHUFDQRSLHVDQGRYHUKDQJV2XWGRRUOLJKWLQJIL[WXUHVVKDOOQRWEHFRXQWHGLQ
GHWHUPLQLQJWKHWRWDOOLJKWRXWSXWZKHQWKH\DUHIXOOFXWRIIOLJKWIL[WXUHVLQVWDOOHGXQGHUFDQRSLHV
EXLOGLQJRYHUKDQJVRUURRIHDYHV
8QVKLHOGHG OLJKW IL[WXUHV LQVWDOOHG XQGHU FDQRSLHV EXLOGLQJ RYHUKDQJV RU URRI HDYHV VKDOO EH
FDOFXODWHG DW SHUFHQW RI WKH OXPLQDLUH WRWDO OLJKW RXWSXW ,QVWDOODWLRQ XQGHU FDQRSLHV
RYHUKDQJVRUURRIHDYHVVKDOOQRWSURYLGHIXOOFXWRIIFODVVLILFDWLRQRIXQVKLHOGHGOLJKWIL[WXUHV
401.3 Shielding requirements. $OO OLJKW IL[WXUHV WKDW DUH UHTXLUHG WR EH VKLHOGHG VKDOO EH LQVWDOOHG LQ VXFK D
PDQQHUWKDWWKHVKLHOGLQJLVHIIHFWLYHDQGSHUPDQHQW
401.3.1 Light trespass. /LJKW IL[WXUHV RQ WKH UHVLGHQWLDO VLGH RI FRPPHUFLDO SURSHUW\ DGMDFHQW WR
UHVLGHQWLDOSURSHUW\VKDOOEHIXOOFXWRIIDQGVKDOOEHLQVWDOOHGQRWKLJKHUWKDQIHHWDERYHJUDGHDWWKH
SURSHUW\ OLQH DQG QR KLJKHU WKDQ D OLQH ULVLQJ GHJUHHV DERYH WKH IHHW XQWLO IHHW IURP WKH
SURSHUW\OLQHPHDVXUHGSHUSHQGLFXODUWRWKHORWOLQH
401.3.2 House Side Shields. 2XWGRRUOLJKWLQJIL[WXUHVFORVHUWRWKHORWOLQHWKDQWKHPRXQWLQJKHLJKWRI
WKH IL[WXUH PHDVXUHG SHUSHQGLFXODU WR WKH ORW OLQH DGMDFHQW WR UHVLGHQWLDO DUHDV VKDOO KDYH LQWHUQDO
KRXVHVLGHVKLHOGV
401.3.3 Fixtures within 25 feet of residential lot lines. 5HVLGHQWLDODQGFRPPHUFLDOOXPLQDLUHVVKDOO
EH IXOO FXWRII ZLWKLQ IHHW RI DGMDFHQW UHVLGHQWLDO SURSHUW\ OLQHV PHDVXUHG SHUSHQGLFXODU WR WKH ORW
OLQH
401.3.4 Flood and spot lamps.)ORRGRUVSRWODPSVVKDOOEHDLPHGQRKLJKHUWKDQGHJUHHVWRWKH
KRUL]RQWDOKDOIZD\EHWZHHQVWUDLJKWGRZQDQGVWUDLJKWWRWKH VLGH ZKHQWKHVRXUFHLV YLVLEOH IURP
DQ\DGMDFHQWUHVLGHQWLDOSURSHUW\
401.4 Other than Full Cutoff Lighting.8QVKLHOGHGIL[WXUHVRUOLJKWLQJVRXUFHVVKDOOQRWH[FHHGOXPHQV
SHUOXPLQDLUH
Exception to 401.4: 1RQIXOOFXWRIIOLJKWLQJLQVWDOOHGLQDFFRUGDQFHZLWK6HFWLRQ
Page A- 110
Appendix A:
White Paper – Communities Addressing Light Pollution that Affect Nighttime Military Training