Finance Committee

Project Number: 228730
Issue Date: August 2017

C.

1.

2.

3.

4.

WWTE SCADA Upgrades
Nashua, NH

Allen Bradley Company
Appleton Electric Company
Crouse-Hinds Company

Approved equal

Selector Switches

1.

Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH

C.

D.

Device Plates

1. Device plates for receptacles shall be stainless steel.
Weatherproof Device Plates

1. Provide weatherproof device plates where indicated and required.

Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH

1. Convenience receptacles for interior use shall be specification grade,
industrial heavy duty type, 20-ampere, 125-volt ac, 2-pole, 3-wire, back
wiring, metal plaster ears, single, duplex (as indicated) grounded,
conforming to NEMA FB 11, NEMA WD 1 and to the 5-20R
configuration in NEMA WD 6. Receptacles shall be white in color.
Provide waterproof in-use covers where indicated and required.

Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH

1.03 QUALITY ASSURANCE
A. Reference Standards
1. NATIONAL ELECTRICAL CODE (NEC)
2. | UNDERWRITER'S LABORATORIES, INC. (UL)

3. NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION
(NEMA) COMPLIANCE

1.04 SUBMITTALS

A. Furnish manufacture’s product data, test reports, and materials certifications in
accordance with the specifications.

PART 2 - PRODUCTS
2.01 FLUSH WIRING DEVICES

A. Wall Switches

Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH

SECTION 26 27 26

WIRING DEVICES

PART 1 - GENERAL

1.01 DESCRIPTION OF WORK

A. The Contractor shall provide the labor, tools, equipment, and materials necessary
to furnish and install wiring devices in accordance with the plans and as specified
herein.

B. This section includes the following:

1. Flush Wiring Devices
2. Control Relays
3. Motor Control Relays/Contactors
4. Control Stations
1.02 RELATED DOCUMENTS

Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH

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RACEWAYS, BOXES AND SUPPORTING DEVICES
WOODARD & CURRAN 26 05 34-14

Project Number: 228730 WWTE SCADA Upgrades

Issue Date: August 2017 Nashua, NH
2. Use explosion proof boxes (NEMA 7) in hazardous areas as designated on

the plans.
3. Use watertight boxes (NEMA 4X) for exterior and wet locations on

outdoor structure where moisture is present.

4. Use corrosion resistant watertight boxes (NEMA 4X) for wet locations and
corrosion filled areas, such as the chemical feed area, and as identified on
the Drawings.

END OF SECTION

Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH

F.

Support individual horizontal raceways by separate pipe hangers. Spring steel
fasteners may be used in lieu of hangers only for 1 1/2 inch and smaller raceways
serving lighting and receptacle branch circuits above suspended ceilings only. For
hanger rods with spring steel fasteners, use 1/4 inch diameter or larger threaded
steel. Use spring steel fasteners that are specifically designed for supporting
single conduits or tubing.

Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH

2. Ninety-degree bends of conduit with a diameter larger than 1 inch shall be
made with factory-made elbows. Conduit elbows larger than 2 % inches
shall be long radius. Field-made bends and offsets shall be made with an
approved hickey or conduit-bending machine. Changes in directions of
runs shall be made with symmetrical bends or cast-metal fittings.

Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH

J.