Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
SECTION 26 05 34
RACEWAYS, BOXES AND SUPPORTING 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 raceways, boxes and supporting devices in accordance with
the plans and as specified herein.
Types of products specified in this section include:
Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
3.02 BONDING FOR OTHER TRADES
A.
Signal raceways, water piping, heating piping and metallic air ducts shall be
bonded together and to the grounding conductor with No. 8 soft drawn bare solid
conductors. Connections to pipes shall be made with cast clamps of like material
as the pipes to which attached, to ducting terminated in a secure manner by best
practical means, bonding across any flexible or insulated connections.
Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
panel and panel board with connections to other equipment where specifically
indicated and noted.
C. Bonding conductors shall be continuous where possible. Where splices are
required, provide compression connectors of approved pattern. Insulate
connectors to equivalent thickness of conductors.
Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
1. Provide product data for all grounding equipment and appurtenances,
including but not limited to; wires, connectors, lugs, clamps, ground rods,
bonding jumpers and accessories.
PART 2-— PRODUCTS
2.01 GENERAL
A.
Provide electrical grounding system with assembly of materials required for
complete installation including wires/cables, connectors, lugs, clamps, ground
rods, bonding jumpers and accessories.
Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
SECTION 26 05 26
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS
PART 1-— GENERAL
1.01 DESCRIPTION OF WORK
A.
Provide all labor, tools, equipment, materials and appurtenances necessary to
furnish and install grounding materials in accordance with the Drawings and as
specified herein. This section includes solid grounding of electrical systems and
equipment.
1.02 REFERENCES
A.
Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
F. Any cable which fails the insulation tests or which fails when tested under full
load conditions shall be replaced with new cable for the full length and retested at
no additional cost to Owner.
G. The below grade service or feeder splice shall be water immersion Megger tested.
Each splice shall be immersed in a grounded water immersion bath for 24
continuous hours prior to and during the test. Criteria for failure shall be as
described for cable above.
Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
J.
The number of conductors shown on the Drawings is not necessarily the correct
number required. As many conductors as are required in each case shall be
installed. In general, grounding conductors are not scheduled.
In general, wiring for the following systems shall be installed in separate conduits.
Do not mix categories in a single raceway.
Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
approved. Control and metering conductors shall be installed without
splices.
5. All splices shall be made only by specific permission of the Engineer and
then only in manholes or pull boxes and shall be sealed watertight with a
heat-shrunk insulation.
Project Number: 228730
Issue Date: August 2017
3.
WWTE SCADA Upgrades
Nashua, NH
Provide factory applied nylon or polyvinyl chloride (PVC) external jackets
on wires and cables for pulls in raceways over 100 feet in length, for pulls
in raceways with more than three equivalent 90 degree bends, for pulls in
conduits underground or under slabs on grade, and where indicated.
B. Service & Distribution Wiring
1.
2.
3.
4.
Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
2. WC-7 Cross Linked Thermosetting Polyethylene Insulated Wire and Cable
for the Transmission and Distribution of Electrical Energy
3. WC-8 Ethylene Propylene Rubber Insulated Wire and Cable for the
Transmission and Distribution of Electrical Energy
E. INSTITUTE OF ELECTRICAL AND ELECTRONIC ENGINEERS (IEEE)
COMPLIANCE
1. Standard 82 Test Procedure for Impulse Voltage Tests on Insulated
Conductors
1.04 SUBMITTALS
