City of Crystal Lake, IL
McHenry County
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Table of Contents
Table of Contents
[HISTORY: Adopted by the City Council of the City of Crystal Lake 1-19-1993 (Art. III, Ch. II, Section I, of the 1993 Code); amended in its entirety 5-17-2016 by Ord. No. 7223. Subsequent amendments noted where applicable.]
GENERAL REFERENCES
General penalty — See Ch. 1, Art. II.
Subdivision of land — See Ch. 600.
A. 
Parking lots for one to six vehicles. Pavement design shall be according to Chapter 650, Section A-700. The parking lot must be graded for surface drainage. The driveway shall have sufficient crown to provide surface runoff. The driveway must be graded in such a manner that it will drain from the lot line to the street drainage system. The concrete public sidewalk shall extend through the driveway per the City standard detail. The driveway shall end at a depressed concrete curb (if curbs exist) or at the edge of the paved roadway. A depressed driveway section must be installed in those driveways that cross a drainage swale. It is the responsibility of the permittee to call for City inspection before the concrete or bituminous paved surface is applied. The permittee shall provide the City inspector with verification of material thickness and compaction. All single-family residentially zoned sections shall have a minimum of one enclosed parking space (garage) for each dwelling unit. Driveways shall be offset a minimum of 18 inches from the property lines, unless local conditions or design are approved by the City Engineer. All sidewalks shall be constructed in such a manner so as to provide access to the sidewalk for handicapped persons by means of an inclined ramp at the curbline where the sidewalk intersects the driveway and at the curbline where the sidewalk intersects the street line per the City standard detail.
B. 
Parking lots for more than six vehicles. The same structural specification applies to this parking section that applies to the parking area in Subsection A. Drainage for this capacity of parking area must be obtained by a system of catch basins and dry wells of sufficient capacity to drain this surface for a ten-year-frequency storm. Ponding of no more than 0.75 foot is permitted. Drainage to an existing storm sewer of adequate capacity through underground conduit connected to a system of inlets located in the parking area is acceptable. Surface runoff onto adjoining areas is prohibited.
(1) 
The driveway shall be drained in the same manner or with the parking area. The concrete sidewalk shall extend through the driveway. It shall be a high point in the driveway to facilitate drainage to the street from that point and also back into the driveway drainage system.
(2) 
All sidewalks shall be constructed in such a manner as to provide access to the sidewalk for handicapped persons by means of an inclined ramp at the curbline where the sidewalk intersects the driveway and at the curbline where the sidewalk intersects the street line, per the City standard detail.
(3) 
All standards and materials referred to in this subsection shall follow the City standard details or Standard Specifications for Road and Bridge Construction for the State of Illinois Highway Department, most current edition.
C. 
A site plan will be required for all parking lots. The elevations shown shall be to USGS datum. A permit must be obtained before construction begins.
A. 
Pavement design shall be according to Chapter 650, Section A-700. Portland cement concrete shall be reinforced with 6-6/6-6 welded wire mesh and be treated with a membrane curing and sealing compound per IDOT standards. The paved surface shall be graded to produce positive drainage to a series of inlets connected by underground conduit to an existing storm sewer or drainage ditch of adequate capacity. A system of catch basins and dry wells can be used if none of the above-noted outlets are available. The drainage system shall be designed to convey 100% of the runoff for a ten-year storm. Refer to Chapter 595, Stormwater Management, for additional requirements. No more than 0.75 foot of ponding is permitted. The parking lot shall have an arrangement of islands, planted with trees, ground cover and shrubbery, as required by Chapter 650, Unified Development Ordinance.
B. 
The entrance and any areas within the parking lot that will provide for a service truck route shall need to follow the heavy-duty pavement design per Chapter 650, Section A-700.
C. 
All standards and materials referred to in this section are to follow the City details or the Standard Specifications for Road and Bridge Construction for the State of Illinois Highway Department, most current edition.
D. 
Site plans covering the entire parking area shall be submitted to the City Engineer for approval. The plans shall be detailed and complete, showing the drainage plan with elevations shown to produce positive drainage to all drainage structures. The elevations shall be to USGS datum.
E. 
All curbs constructed upon private property shall be constructed of Portland cement concrete in accordance with specifications as determined by the City Engineer. The curb or curb and gutter width shall not be included in the parking lot drive aisle width. Sidewalks immediately adjacent to curbs shall be a minimum six-foot width.
F. 
In the event the use of property zoned for commercial, business, industrial or manufacturing uses pursuant to Chapter 650, Unified Development Ordinance, of the Ordinances of the City of Crystal Lake is intensified or expanded beyond the use in existence on the effective date of this section, or in the event property is rezoned for any of said uses subsequent to said date, or in the event of any new construction on said property subsequent to the effective date of this section, curbs shall be constructed in the public right-of-way when required by the City Engineer.
G. 
Permit. A permit issued by the Community Development Department shall be required for all parking lot, driveway and curb work.
A. 
General specifications.
(1) 
Concrete sidewalks in the public right-of-way shall conform with Chapter 650, Section 4-100.
(2) 
The width of commercial sidewalks in the Central Business District is to be consistent with adjacent commercial parcels, but not less than five feet.
(3) 
A permit issued by the Community Development Department shall be required for all sidewalk installations.
(4) 
Sidewalks shall be constructed if none exist whenever a new house is erected, unless otherwise provided by the City Council of the City of Crystal Lake.
B. 
Construction specifications shall conform with Chapter 650, Section A-800.