Greenwich Township City Zoning Code
§ 16-13.9
Development on steep slopes.
[Ord. No. 1998-18]
a.
Lot development plan required. Where a lot includes slopes in excess of 10% that are likely to be disturbed in the process of developing a house, driveway or septic system, an individual lot development plan shall be prepared and submitted prior to preliminary approval. The individual lot development plan shall show the proposed locations for a house, septic system and driveway and shall also show a proposed driveway profile, if required by the Township Engineer. Prior to the issuance of a construction permit, the Construction Official shall ascertain compliance with the approved individual lot development plan.
b.
Standards for development on steep slopes.
1.
No septic field or portion thereof shall be located on a slope of 12% or more.
2.
Homes may be sited on slopes of up to 25% provided that a soil erosion and sediment control plan is submitted to the Township Engineer for his review and recommendation for any construction proposed on slopes over 15%.
3.
Driveway grades shall not exceed 15% at any point, shall not exceed 12% for a distance of more than 50 feet and shall not exceed 8% within 20 feet of the front street right-of-way.