66-REV 1.19.26 16130 Boxes.pdf
PDF 102 KB Posted
- Attached to
- Route 54 Sanitary Sewer Extension Project
- Solicitation number
- Not on record
- Issued by
- Lycoming County, Pennsylvania
About this file
This is a technical specification document for Section 16130 Boxes issued by the West Branch Regional Authority for the Route 54 Sanitary Sewer Extension Project, Contract No. WB-1, located in Clinton Township, Lycoming County, Pennsylvania. The specification details requirements for electrical boxes including wall and ceiling outlet boxes, pull boxes, and junction boxes that will be installed as part of the sanitary sewer extension project. The project scope encompasses approximately 1,520 linear feet of gravity sanitary sewer, 11 manholes, 13 lateral connections, one duplex sewage pumping station, 404 linear feet of force main, one stream crossing, and associated surface restoration. Sealed bids were received online through PennBid until 1:00 PM on Monday, February 16, 2026. Prospective bidders were required to register as plan holders with PennBid to receive periodic updates including addenda and other project information.
The specification requires outlet boxes to comply with ANSI/NEMA OS 1 standards and includes detailed requirements for sheet metal and cast aluminum boxes for both interior and exterior applications, with specifications varying by installation type and environmental conditions. Pull and junction boxes must meet NEMA 12 ratings for indoor dry areas and NEMA 4 ratings for outdoor or wet locations, constructed of galvanized steel, aluminum, or stainless steel as appropriate. Installation requirements specify box spacing, support specifications independent of conduit, and accessibility standards, with pull boxes required at least every 100 feet of run. Each bid required a certified check or bid bond equal to ten percent of the total bid amount as security. The project is subject to prevailing wage requirements established by the Pennsylvania Department of Labor and Industry, and contractors must comply with the Pennsylvania Steel Products Procurement Act of 1978.
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Text version
SECTION 16130
BOXES DIVISION 16
West Branch Regional Authority 16130-1 January 2026 Route 54 Sanitary Sewer Extension Project Boxes Contract No. WB-1
PART 1 - GENERAL
1.01 WORK INCLUDED
A. Wall and ceiling outlet boxes.
B. Pull and junction boxes.
1.02 RELATED WORK
A. Section 16111: Conduit: Description of raceway types required.
1.03 REFERENCE STANDARDS
A. American National Standards Institution (ANSI)/National Electrical Manufacturers Association (NEMA)
1. ANSI/NEMA OS 1: Sheet-Steel Outlet Boxes, Device Boxes, Covers and Box
Supports.
2. NEMA 250: Enclosures for Electrical Equipment (1000 Volts Maximum).
PART 2 - PRODUCTS
2.01 OUTLET BOXES
A. Sheet Metal Outlet Boxes: ANSI/NEMA OS 1; hot dip galvanized steel, 1.25 oz./sq. ft. zinc coating, or cast cadmium plated, conform to UL requirements.
1. Interior Boxes: Boxes on concealed installation shall be pressed sheet steel of size to accommodate the wiring devices installed at the outlet and blanked for conduit. Provide attached lugs for locating.
2. For Flush Mounting in Ceiling: 4-inch octagonal boxes for receiving three or less
3/4-inch conduits.
B. Cast Boxes: Cast aluminum, deep type, gasketed cover, threaded hubs.
1. Exterior Boxes: Cast deep type.
2. Boxes on exposed conduit installation shall be cast deep threaded type, of size to accommodate wiring devices installed at the outlet.
3. For Surface Mounting on Ceiling: Boxes shall be cast, 4-inch round, deep, threaded type with four tapped holes with two closeup plugs and mounting lugs.
Boxes shall be type to receive four or less 3/4-inch conduits.
West Branch Regional Authority 16130-2 January 2026
2.02 PULL AND JUNCTION BOXES
A. Sheet Metal Boxes: ANSI/NEMA OS 1; galvanized steel for interior concealed work.
B. Sheet Metal Boxes Larger than 12 Inches in Any Dimension for Concealed Work: Hinged enclosure in accordance with Section 16000.
C. Metal Boxes for Exposed Conduit Areas or Outdoor Use: Aluminum or stainless-steel material rated NEMA 12 for indoor and NEMA 4 for outdoor use unless otherwise noted.
Box and cover with ground flange, neoprene gasket, and stainless-steel cover screws.
D. Non-metallic outlet boxes shall be of the size and capacity required for device and wiring installation.
2.03 ACCESS PANELS
A. Access Doors: Furnished by Electrical Contractor and delivered to the General Contractor for installation.
2.04 MATERIALS
A. Pull Boxes and Junction Boxes for Concealed Work: 12-gauge galvanized steel metal construction of such design, construction and dimensions as to best adapt to their respective location, number, size and arrangement of conduit connecting thereto, conforming to the National Electrical Code, with screw-on or hinged cover.
B. Flush-Mounted Pullboxes: Provide overlapping covers with flush-head cover retaining screws, prime coated.
C. Boxes for Interior Exposed work in Dry Climate Controlled Areas: Shall be constructed of 12 gauge or heavier aluminum or stainless steel and shall be NEMA 12 rated, unless otherwise specified or noted on Drawings. Where each rigid conduit connection is made at a NEMA 12 box, a hub with insulated throat and sealing gasket shall be used. Such hubs shall be rated NEMA 3R.
D. Boxes for Exterior Work or Exposed Interior Work Requiring Weather-Proof Devices: Shall be cast or fabricated aluminum or stainless steel with threaded hubs and shall be NEMA 4 rated spring loaded, gasketed style device covers shall be used indoors in damp or wet locations. Weather-proof “while-in-use” style covers shall be provided for all outdoor receptacles or where indicated on the plans. Covers shall be as manufactured by Cooper Wiring Devices or approved equal.
E. Boxes used in hazardous areas shall be listed for the area in which they are installed.
Generally, they shall be made from iron alloy and have tapped hubs with integral bushings to ensure flame tightness. One, two or three gang bodies shall be provided based on the
West Branch Regional Authority 16130-3 January 2026 number of devices installed and type of installation (dead end or through feed) selected by the contractor.
F. All boxes shall be provided with mounting brackets and cast aluminum covers having full body neoprene gaskets and ASTM Type 304 stainless steel securing screws. Boxes shall be of ample size for respective applications and shall not be smaller than that required by the National Electric Code. Drainage shall be provided from all boxes which may be subject to moisture accumulation.
PART 3 - EXECUTION
3.01 COORDINATION OF BOX LOCATIONS
A. Provide electrical boxes as shown on Drawings, and as required for splices, wire pulling, equipment connections, and local code compliance.
B. Electrical box locations shown on Contract Drawings are approximate unless dimensioned.
Verify location of floor boxes and outlets in offices and work areas prior to rough-in.
C. Locate and install to maintain headroom and to present a neat appearance.
3.02 OUTLET BOX INSTALLATION
A. DO NOT install boxes back-to-back in walls. Provide minimum 6-inch separation, except provide minimum 24-inch separation when installing boxes in acoustical-rated walls.
B. Locate boxes in masonry walls to require cutting of masonry unit corner only. Coordinate masonry cutting to achieve neat opening for boxes.
C. Provide knockout closure for unused openings.
D. Support boxes independently of conduit, except for cast boxes that are connected to two
(2) rigid metal conduits, both supported within 12 inches of box.
E. Use multiple-gang boxes where more than one (1) device are mounted together; do not use sectional boxes. Provide barriers to separate wiring of different voltage systems.
F. Install boxes in walls without damaging wall insulation.
G. Coordinate mounting heights and locations of outlets mounted above counters, benches, and back splashes.
H. Position outlets to locate luminaries as shown on reflected ceiling plans.
I. In inaccessible ceiling areas, position outlet boxes within 6-inches of recessed luminaire, to
West Branch Regional Authority 16130-4 January 2026 be accessible through ceiling opening.
J. Provide recessed outlet boxes in finished areas; secure boxes to interior wall and partition studs, accurately positioning to allow for surface finish thickness. Use stamped steel stud bridges for flush outlet in hollow stud wall, and adjustable steel channel fasteners for flush ceiling outlet boxes.
K. Align plumb wall-mounted outlet boxes for switches, thermostats, and similar devices.
L. Enclosures housing instrumentation devices or motor control or other devices shall not be used as junction boxes. Conduit access to these boxes shall be such that the entire enclosure shall be removable without disturbing any conduits or wiring not associated with the enclosed device.
3.03 PULL AND JUNCTION BOX INSTALLATION
A. Locate pullboxes and junction boxes above accessible ceilings or in unfinished areas.
B. Support pull and junction boxes independent of conduit.
C. Provide pullboxes at least every 100'-0" of run, or as may be required to facilitate the pulling of wires.
D. Pull and junction boxes in all vaults and well houses shall be non-metallic.
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