Art. 812.03 Junction Boxes
a.Rigid Metal Conduit. Conduit assemblies shall be prepared according to
Article 810 — 05(a).
b.Rigid Nonmetallic Conduit. Conduit assemblies shall be prepared according to Article 810.05(b).
c.Expansion Joints. Expansion joints shall be installed as follows.
1.Expansion Fittings. Expansion fittings shall be installed according to
Article 811 — 03(c)(2).
2.Liquidtight Flexible Nonmetallic Conduit (LFNC). With the approval of the Engineer, LFNC with stainless steel junction boxes may be used in lieu of an expansion fitting. The LFNC shall be installed according to
Article 811 — 03(c)(1). Stainless steel junction boxes shall be installed
according to Section 813.
812.04 Method of Measurement. This work will be measured for payment in
feet (meters) in place. Measurements will be made in a straight line along the centerline of the conduit between ends and changes in direction. Vertical conduit will be measured for payment. The vertical distance required for breakaway devices, barrier wall, concrete pedestals, etc., will be measured. Changes in direction shall assume perfect straight line runs, ignoring actual raceway sweeps. Expansion fittings or LFNC and stainless steel junction boxes will not be measured for payment.
812.05 Basis of Payment. This work will be paid for at the contract unit price
per foot (meter) for CONDUIT EMBEDDED IN STRUCTURE, of the type and diameter specified. SECTION 813. JUNCTION BOXES
813.01 Description. This work shall consist of furnishing and installing a
junction box.
813.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Junction Box ...................................................................................... 1088.04
b.Electrical Raceway Materials ............................................................. 1088.01 CONSTRUCTION REQUIREMENTS
813.03 Installation. Exposed junction boxes on structures shall be installed
on 1/2 in. (13 mm) long stainless steel or brass spacers with the hinge on the side of the box and the cover lying in the vertical plane when closed. The exact orientation Handhole Art. 814.03 shall be as shown on the plans or as directed by the Engineer. Care shall be taken to ensure proper orientation of mounting lugs. The embedded junction box shall be set flush with the adjoining surface and shall be properly supported during concrete placement. Concrete cover shall not be less than 3 in. (75 mm) all around the embedded junction box. Field cut conduit openings shall be uniform and smooth. All burrs and rough edges shall be filed smooth prior to the installation of conduit(s) into the junction box. Field cut conduit openings shall be fitted with the appropriate conduit fittings and accessories.
813.04 Basis of Payment. This work will be paid for at the contract unit price
per each for JUNCTION BOX ATTACHED TO STRUCTURE; or JUNCTION BOX EMBEDDED IN STRUCTURE, of the type and size when specified. SECTION 814. HANDHOLE
814.01 Description. This work shall consist of furnishing and installing or
constructing a handhole, a heavy-duty handhole, or a double handhole.
814.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Coarse Aggregate for French Drains (Note 1) ................................... 1004.05
b.Portland Cement Concrete (Note 2) ....................................................... 1020
c.Composite Concrete Handhole (Note 3) ............................................ 1088.05
d.Handhole Frame and Cover .............................................................. 1088.06
e.Precast Concrete Handholes ............................................................. 1042.17
f.Preformed Expansion Joint Fillers .......................................................... 1051 Note 1. Gradation CA 5 or CA 7 shall be used. Note 2. Class SI concrete shall be used. Note 3. Hardware used for assembling a composite concrete handhole shall be hot-dip galvanized or stainless steel in accordance with Article 1088.03. CONSTRUCTION REQUIREMENTS
814.03 Construction. The location of the handhole shall be excavated so
that the top of the handhole is set flush with the sidewalk or paved surface. When installed in earth shoulder away from the pavement edge, the top surface of the handhole shall be 1 in. (25 mm) above the finished grade. The excavation shall be deep enough to accommodate the depth of the box and french drain. The french drain shall be constructed underneath the proposed handhole according to Article 601.06.
Referenced in this section
Sections that cite this one
JUNCTION BOXES in other states
Get an email when 813 changes
Illinois revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 709–710 of 1,217. View official source ↗