Cortez, Colorado · General provision

Chapter 4, Subdivision Standards

Dimensional standards

Plan view of the district’s stated lot requirements. Solid line: the property line. Dashed: the setback lines the ordinance imposes; a building must stay inside the tinted envelope. Drawn from the figures extracted below — illustrative, not a survey.

Lot

Minimum lot area: 12,000 sq ft (0.28 ac)

Form

Maximum block length: 450 ft

Extracted standards

27 individual requirements pulled out of this section’s prose, each with the sentence it came from.

Other

Cul-de-sac turnaround right-of-way diameter130 ft
right-of-way diameter of one hundred thirty (130) feet
Cul-de-sac turnaround surface diameter110 ft
turnaround, surface diameter of one hundred ten (110) feet
Dead-end street temporary turnaround diameter100 ft
a temporary turnaround of one hundred (100) feet shall be constructed.
Fire hydrant ISO class7 class
sufficient to maintain a Class 7 fire rating by the Insurance Service Office (ISO).
Maximum block length450 ft
Block lengths shall not be less than three hundred (300) feet or more than four hundred fifty (450) feet.
Maximum cul-de-sac length400 ft
Cul-de-sacs shall not exceed four hundred (400) feet in length
Maximum slope for active recreation area3 pct
have a slope not exceeding three percent (3%) grade.
Maximum street grade (local streets)7 pct
Streets may have a maximum grade of seven percent (7%).
Maximum street grade (arterial highway)4 pct
Maximum grade (%) for arterial highway is 4%.
Maximum street grade (local collector)6 pct
Maximum grade (%) for local collector is 6%.
Minimum alley gravel surface width15 ft
The minimum gravel surface width of alleys shall be fifteen (15) feet.
Minimum alley right-of-way width20 ft
The minimum right-of-way width of an alley shall be twenty (20) feet.
Minimum block length300 ft
Block lengths shall not be less than three hundred (300) feet or more than four hundred fifty (450) feet.
Minimum intersection angle60 deg
in no case shall the intersection angle be less than sixty degrees (60°).
Minimum park land dedication percentage5 pct
dedicate to the city at least five percent (5%) of the gross land area
Minimum park land access right-of-way width50 ft
access via a minimum 50-foot right-of-way
Minimum park land depth150 ft
one hundred fifty (150) feet in depth
Minimum park land width100 ft
No land dedicated ... shall have dimensions smaller than one hundred (100) feet in width
Minimum rear lot line easement width10 ft
Utility easements of ten (10) feet in width on each side of all rear lot lines
Minimum side lot line easement width5 ft
five (5) feet in width on each side of side lot lines
Minimum sight distance200 ft
provide a minimum two hundred (200) feet of sight distance.
Minimum street curve radius150 ft
Streets shall have a minimum radii at the centerline of one hundred fifty (150) feet
Minimum street jog offset125 ft
Nonintersecting streets with centerline offset of less than one hundred twenty-five (125) feet shall not be approved.
Minimum utility easement width10 ft
The minimum right-of-way width of a utility easement shall be ten (10) feet respectively.
Minimum vertical curve length200 ft
No vertical curve shall be less than two hundred (200) feet in length.
Minimum water and sewer easement width20 ft
Water and sewer easements shall be a minimum of twenty (20) feet in width.
Design storm frequency100 years
handle the anticipated 100-year frequency storms

From the ordinance

All plats and subdivision of land within the corporate limits... shall conform to the following rules and regulations.
Chapter 4, Subdivision Standards