§ 1010.13 GENERAL CONSTRUCTION STANDARDS.
   (A)   Standards and principles. All construction in rights-of-way shall be consistent with applicable ordinances, codes, laws, rules and regulations and shall comply with commonly recognized and accepted traffic control and construction principles, sound engineering judgment and, where applicable, the principles and standards set forth in the most current version of the following IDOT publications, as the same may be amended from time to time:
      (1)   Standard Specifications for Road and Bridge Construction;
      (2)   Supplemental Specifications and Recurring Special Provisions;
      (3)   Highway Design Manual;
      (4)   Highway Standards Manual;
      (5)   Standard Specifications for Traffic Control Items;
      (6)   Illinois Manual on Uniform Traffic Control Devices;
      (7)   Flaggers Handbook;
      (8)   Standard Specifications for Water and Sewer Construction in Illinois; and
      (9)   Work Site Protection Manual for Daylight Maintenance Operations.
   (B)   Additional general construction standards. In addition, the Public Works Director shall publish certain standards of construction, which include but are not limited to the following:
      (1)   All contractors performing work under this chapter shall be insured, bonded and licensed with the city.
      (2)   All curb and gutter, sidewalk, driveway pavement, alley pavement and street patches scheduled for removal shall be saw cut full depth on all edges prior to starting removal.
      (3)   Contractor is required to notify residents/businesses, Police and Fire Departments of any road closure needed or permitted due to construction.
      (4)   All water use must be metered and the contractor is required to arrange for a fire hydrant meter with the Public Works Department. A $1,500 deposit is required for the use of said meter.
      (5)   All contractors, subcontractors and other persons desiring to perform construction in the right-of-way shall give the city 48-hour notice prior to construction.
      (6)   All replacements shall be of equal or better condition to what existed prior to construction.
      (7)   Concrete.
         (a)   All curbs and gutters damaged or undermined during construction shall be removed and replaced in accordance with IDOT standards, as amended (currently 9-inch minimum gutter thickness required).
         (b)   All concrete sidewalks damaged during construction shall be removed and replaced in accordance with IDOT Standards, as amended (currently 5-inch minimum thickness for standard locations and 7-inch minimum thickness for sidewalk subject to vehicular traffic).
         (c)   All public sidewalks shall be removed and replaced control joint to control joint and the replacements shall be 5 feet x 5 feet minimum squares slabs. All service and carriage sidewalk shall be removed and replaced from contraction joint to contraction joint. Partial square removal and replacement will not be allowed.
         (d)   Detectable warnings, where required, shall be cast-iron tiles.
         (e)   All concrete driveways damaged during construction shall be removed and replaced in accordance with IDOT standards, as amended (currently 7-inch minimum thickness over 4 inches of compacted aggregate base).
         (f)   All concrete driveways shall be removed and replaced from contraction joint to contraction joint. Partial slab removal and replacement will not be allowed.
         (g)   All alley pavement damaged during construction shall be removed and replaced in accordance with IDOT standards, as amended (currently 8-inch minimum thickness with No. 6 epoxy coated tie bars grouted in place on 30-inch centers to tie the new pavement to the existing curb and gutter or pavement).
         (h)   All alley pavements shall be removed and replaced from contraction joint to contraction joint at a minimum width of one half of the alley. Partial slab removal and replacement will not be allowed.
         (i)   Expansion joints shall be placed where the sidewalk abuts existing sidewalks, between driveway pavement and sidewalk, and between sidewalk accessibility ramps and curbs where the ramp abuts a curb.
         (j)   All concrete referenced above shall be a six bag mix or greater. Fiberglass may be used in place of wire mesh where applicable.
      (8)   Hot-mix asphalt (“HMA”) pavements.
         (a)   All HMA driveway damage during utility installation shall be removed and replaced in accordance with IDOT standards, as amended (currently 1½-inch HMA surface course over 1½-inch HMA leveling binder over 10-inch compacted aggregate base).
         (b)   All HMA pavement on collector roadways shall be removed and replaced in accordance with the city’s standard (2-inch HMA surface course, Mix D, and 1-inch HMA leveling binder over 10-inch reinforced concrete base with No. 6 epoxy coated tie bars grouted in place on 30- inch centers to tie the new pavement to the existing curb and gutter or pavement).
         (c)   All HMA pavement on residential roadways shall be removed and replaced in accordance with the city’s standard (2 – 1½-inch lifts of HMA surface course, Mix D, over 8-inch reinforced concrete base with No. 6 epoxy coated tie bars grouted in place on 30-inch centers to tie the new pavement to the existing curb and gutter or pavement).
         (d)   All HMA alley pavement shall be removed and replaced in accordance with the city’s standard (2-inch HMA surface course, Mix D, over 6-inch reinforced concrete base with No. 6 epoxy coated tie bars grouted in place on 30-inch centers to tie the new pavement to the existing curb and gutter or pavement).
      (9)   All brick pavers damaged during utility installation shall be removed and replaced in accordance with the city’s standard as provided for in this section, or as otherwise provided for in the City Code or as required by the Building Department or the Public Works Department. All new standard paver installations must utilize a 4-inch concrete base under the pavers for stability. Replacement brick pavers shall be identical to existing pavers.
      (10)   All grass parkways disturbed during utility installation shall be restored with 4 inches of pulverized topsoil with sod and watered regularly to promote growth.
      (11)   Sprinkler systems are not permitted in the public right-of-way. Sprinkler systems may be placed on private property provided that all permit requirements are adhered to.
      (12)   All pavement markings, curb painting and reflective pavement markers need to be restored to their original condition. Pavement markings must be thermoplastic or an approved comparable material.
      (13)   All excavations within the roadway shall be backfilled with CA-7, compacted in 12-inch lifts (flowable fill may be substituted for CA-7).
      (14)   All roadway excavations must be restored in accordance with the City of Berwyn Engineering Standards, as amended.
      (15)   All abandoned sewer service must be terminated at the point of connection at the main and inspected by the city’s Plumbing Inspector prior to backfill.
      (16)   Projects located within a combined sewer area require a vapor barrier to be installed on the last storm sewer catch basin before entering the combined sewer system.
      (17)   Fire hydrants shall be Mueller Super Centurion 250 Fire Hydrant, model A-423 (5¼-inch Barrel) with Mueller Valves/Hardware and Auxiliary Valve 6-inch Gate Valve No. 2360-23-9020 Modified Wedge Resilient Seat, or approved equal.
      (18)   All hydrants shall be painted with two coats of Rust-Oleum Fire Hydrant Enamel (fire hydrant red).
      (19)   All commercial sewer repairs shall also require a permit from the Metropolitan Water Reclamation District of Greater Chicago (the “MWRD”).
      (20)   Green Alley pavements shall consist of a 3-feet wide center strip of permeable articulating blocks with 2.35 inches of CA-7 base course under the blocks. The remaining width will consist of 8 inches of concrete pavement with a minimum 2% slope to the center permeable blocks. This entire alley section will be placed on top of 12 inches of aggregate base course wrapped in filter fabric.
      (21)   The pavement standards related to construction in the right-of-way are as follows:
Pavement Summary
Concrete Type
Reinforcement
Conc. Depth
Stone Depth
Pavement Summary
Concrete Type
Reinforcement
Conc. Depth
Stone Depth
Public sidewalk (non-driveway)
None
5 in.
2 in.
Driveway in right-of-way
Wire mesh/fiberglass
7 in.
4 in.
Alley pavement
Wire mesh/fiberglass
8 in.
4 in.
Asphalt Type
Thickness
Stone
Commercial
1.5 in. binder / 1.5 in. surface
10 in.
Roadway-Residential
1.5 in. binder / 1.5 in. surface / 8 in. concrete
4 in.
Roadway-Collector
1 in. binder / 2 in. surface / 10 in. concrete
4 in.
Alley pavement
2 in. surface / 8 in. concrete
4 in.
Paver Type
Stone Depth
Bedding Type
Standard-right-of-way
4 in. CA-6 and 4 in. concrete
1 in. sand
Permeable
12 in. min. CA-7
1 in. CA-16
 
      Note: Stone base must be compacted before pre-pour inspection is conducted.
   (C)   Interpretation of municipal standards and principles. If a discrepancy exists between or among differing principles and standards required by this chapter, the Public Works Director or designee shall determine, in the exercise of sound engineering judgment, which principles apply and such decision shall be final. If requested, the Public Works Director or designee shall state which standard or principle will apply to the construction, maintenance or operation of a facility in the future.
   (D)   Identification. All personnel working at any construction site in the city on behalf of a utility shall carry identification cards and copies of all required permits for the execution of said construction. All identification cards shall identify the laborer’s or other employee’s employer and the utility by which he or she has been contracted to perform the construction services.
(Ord. 19-21, passed 8-13-2019)