R-11  --  Turnagain Arm district (areas designated residential)
The R-11 district governs land uses for Turnagain Arm south of Potter Marsh, including but not limited to Rainbow, Bird Creek, Indian, Girdwood, the Crow Creek inholdings and Portage.  This district is governed by section 21.40.115 of the municipal code.  The permitted uses and densities are to conform to the policies of the Turnagain Arm Comprehensive Plan, as modified by the Girdwood Area Plan.  Both of these documents are available at the Planning Department.

Area	Sewer	Lot Requirements			Yard Requirements			Building	Driveway	Landscaping	Stable
	Service	Area	Width	Coverage	Front	Side	Rear	Height	Surface	Required	Setback
Girdwood	Public sewer service	10,400 square feet	70 feet	30% max.1	20 feet	5 feet	10 feet	35 feet2	3	4	100 feet
Girdwood	Private septic system	50,000 square feet	100 feet	30% max.1	20 feet	5 feet	10 feet	35 feet2	3	4	100 feet
Bird, Indian, Crow Creek, Portage	Private septic system	108,150 square feet	100 feet	30% max.1	20 feet	5 feet	10 feet	35 feet2	3	4	100 feet
Rainbow	Private septic system	216,300 square feet	100 feet	30% max.1	20 feet	5 feet	10 feet	35 feet2	3	4	100 feet
1 40% maximum if the density is more than 5 dwelling units per acre (less than 8,712 square feet per dwelling unit.)
2 May be increased as a conditional use.
3 Paved if the density is more than one dwelling unit per 8,400 square feet, otherwise gravel.
4 The removal of natural vegetation is prohibited except in connection with a permitted use or an approved conditional use.  Removal of natural vegetation and disturbance of the existing ground cover shall be avoided to the maximum extent practicable when permitted construction is undertaken.  All areas not devoted to buildings, structures, drives, walks, off-street parking facilities or other authorized installations must be planted with Visual Enhancement landscaping.  See also the parking lot landscaping requirements of AMC 21.45.080.W.6 and 10.