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SECTION 16000
ELECTRICAL WORK
PART 1 - GENERAL
1.1 SCOPE

A. This Specification defines the finished, tested Work, in full operating condition
and complete with all materials, labor, and accessories, necessary for a
complete installation. This Specification and the Drawings do not show every
fitting, raceway, box, and device, but CONTRACTOR shall furnish without
additional recompense, all materials necessary to complete the electrical
system in accordance with the best practices of the trade to the complete
satisfaction of ENGINEER and OWNER.

B. The Drawings indicate a typical electrical arrangement for the Sump Riser
Building. Refer to the Drawings for locations.

C. CONTRACTOR, in addition to providing lighting and power equipment
installation and wiring, shall provide signal wiring and connections between
the Sump Riser Building and other locations as required for monitoring and
interlocks, and all raceways and sleeves as required.

1.2 CODES, REGULATIONS AND STANDARD

A. Where referred to, published standard specifications of technical societies,
trade associations and governmental agencies codes and requirements of
Underwriters' Laboratories and other Protective organizations; Federal, State
and Municipal regulations and codes; and publications of a similar nature shall
be the edition enforced at the Site by the authorities having jurisdiction. The
applicable requirements of the publications of the following organizations shall
apply to the Work under this Section as if fully written herein.

Institute of Electrical and Electronic Engineers (IEEE).

American National Standards Institution (ANSI).

National Electrical Manufacturers Association (NEMA).

National Fire Protection Association (NFPA).

Underwriters’ Laboratories, Inc. (UL).

Local and State Building codes, and all other authorities having

jurisdiction.

National Electrical Safety Code (NESC).

American Society for Testing Materials Specifications (ASTM).

Occupational Safety and Health Administration (OSHA).

Association of Edison Illuminating Companies (AEIC).

National Electrical Code (NEC).

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File No. 3066.09 Electrical Work 16000 - 1 of 7 December 2017

1.3

1.4

1.5

1.6

1.7

B. CONTRACTOR shall use the current edition of the above codes, regulations and
standards enforced at the Site by local authorities having jurisdiction.

PERMITS AND FEES

A. CONTRACTOR shall obtain all necessary permits, licenses or certificates of

approval. CONTRACTOR shall pay all fees required by, and conform to, all
local, state and federal laws and regulations governing the Work. At the
conclusion of the Work, CONTRACTOR shall furnish ENGINEER with
certificates of inspection from all authorities having jurisdiction.

TEMPORARY LIGHT AND POWER

A.

Temporary light and power shall be installed and maintained under this
Contract for use by all trades for the duration of construction, complete with
all wiring, switches, protective devices and similar equipment as may be
required.

GUARANTEE

A.

CONTRACTOR shall and does hereby warrant and guarantee that all work
executed under these Specifications will be free from defects of materials and
workmanship for a period of one (1) year from the date of Certificate of
Substantial Completion.

CONTRACTOR shall further warrant that all materials furnished and work
executed are in accordance with all applicable laws, regulations, and Codes.

CONTRACTOR shall submit to OWNER, all applicable equipment warranty
registrations complete with the date and place of purchase.

SYMBOLS

A.

Symbols on Drawings show approximate location of fixtures, outlet boxes and
other equipment. Unless otherwise detailed, the exact location shall be
governed by structural conditions, obstructions, architectural and equipment
drawings. This is not to be construed to permit redesigning systems. All
outlets shall be interconnected as shown on the Drawings. Locate and install
all boxes and equipment where they will be readily accessible.

WORKMANSHIP

A.

All Work shall be executed in a workmanlike manner by experienced
electricians licensed by the State of New Hampshire, in accordance with the
most modern engineering practice and shall present a neat appearance when
completed. The Work shall be carefully laid out in advance, and where cutting,
channeling, chasing or drilling of floors, walls, partitions, ceilings or other

File No. 3066.09 Electrical Work 16000 - 2 of 7 December 2017

surfaces are necessary for proper installation, support or anchorage of cables
or other electrical work, the work shall be carefully done, and any damage to
the building, piping or equipment shall be repaired by skilled mechanics of the
trade involved at no additional cost to OWNER.

After installation, all electrical equipment shall be protected to prevent damage
during the construction period. Openings in boxes and cabinets shall be left
clean, exposed surfaces shall be cleaned and plated surfaces polished.

PART 2 - PRODUCTS

2.1

2.2

NOTICE -All products installed in the Sump Riser Building and below grade
structures shall be rated for use in a Class I, Division 1, Group D location and
installed in accordance with manufacturer recommendations. Explosive
concentrations of methane are likely to be found in these areas.

RACEWAYS

A.

Interior raceways and raceways exposed to the weather shall be threaded
galvanized rigid steel conduit. Underground raceways shall be Schedule 80
PVC. Minimum raceway size shall be 34-inch.

At motor connections within Sump Riser Building and final instrument
connections, conduit shall be UL listed flexible coupling. Construction shall be
bronze braid over brass corrugated core with nonmetallic internal liner, no
more than 3 feet in length. Minimum size for flexible couplings shall be %-
inch.

All raceways entering the Sump Riser Building shall be provided with conduit
seals approved for Class I, Division 1, Group D location in accordance with
Article 501 of the National Electrical Code.

WIRES AND CORDS

A.

Conductors installed in raceways shall be stranded copper THHN/THWN or
XHHW conductors, rated 600 volts. Branch circuit conductors shall not be
smaller than #12 AWG. Low voltage control conductors and cables shall be as
specified in Division 16500.

Cord, as indicated on the Drawings, shall be heavy duty type SO cord for use in
a Class IJ, Division 1, Group D environment.

Each wire end entering a cabinet shall be color coded, by insulation color or
applied color tape, to denote polarity. Phases shall be color coded for
identification throughout the project as follows:

120 /240 VACsingle-phase 208 VAC 3-phase (VFD
Output)

File No. 3066.09 Electrical Work 16000 - 3 of 7 December 2017

2.3

2.4

2.5

2.6

2.7

Phase A Black Black

Phase B Red Red
Phase C Blue
Neutral White White
Ground Green Green
D. All feeders in pull boxes, cabinets, and branch circuits in outlet and pull boxes
having more than one circuit, shall have a fiber tag attached, designating the
name and/or number of the circuit.
E. Conductors shall be carefully handled during installation so as to avoid
mechanical injury to the conductor, insulation or covering.
OUTLET BOXES
A. Each outlet in the wiring or raceway systems shall be provided with an outlet
box to suit the conditions encountered, as indicated on the Drawings. Boxes
installed where they are exposed to the weather or in hazardous areas shall be
of the cast metal type with threaded hubs listed for the application.
EXTERIOR PULL BOXES
A. Provide polymer concrete or other non-metallic pull boxes per NEC Article 370

as required for power and signal wiring, at a maximum spacing of 200 feet.
Power and signal wiring systems shall have separate pull boxes. Covers shall
have permanent, recessed label indicating “Electric.”

WIRE CONNECTIONS AND CONNECTION DEVICES

A.

Wire connections for wire sizes #12 through #8 shall be made with pressure-
type twist on connectors with an internal spring. Connections for wire sizes
#6 through 1000 MCM shall be made with compression connectors.

Where wire connections are made, insulation shall be carefully stripped from
conductors in accordance with the connector manufacturer's
recommendations. The conductor(s) shall be inserted in the connector and the
joint shall be made-up tight to secure the connection and not damage the
conductor(s) or insulation.

DISCONNECT SWITCHES

A.

Disconnect switches shall be heavy duty type, motor rated, quick make and
quick break with the indicated number of poles, and rated for the circuit
voltage and amperage with NEMA 3R enclosure. All disconnect switches shall
be lockout/tagout capable.

PANELBOARD

File No. 3066.09 Electrical Work 16000 - 4 of 7 December 2017

A. Panelboards shall be as specified on the Drawings.
2.8. GROUNDING

A. All new equipment, devices, systems and structures, whether shown or
detailed on the Drawings, shall be grounded in accordance with Article 250 of
the National Electrical Code.

B. All electrical equipment and motors shall be grounded by an equipment
grounding conductor installed with the power conductors.

C. New Electric Service shall be grounded and bonded in accordance with the
National Electrical Code and Utility requirements.

2.9 WIRING DEVICES

A. Wiring devices shall be as indicated on the Drawings.

2.10 ELECTRIC HEATER
A. Heater and thermostat shall be as indicated on the Drawings.
2.11 LIGHTING FIXTURES

A. Lighting fixtures shall be as indicated on the Drawings complete with lamps
indicated.

PART 3 - EXECUTION

3.1 COORDINATION

A. The drawings are diagrammatic and indicate the general arrangement of
systems, equipment and the extent of the work and may not necessarily be to
scale. CONTRACTOR shall make reasonable adjustments in fixture and
equipment locations to suit field conditions at no additional cost to OWNER.

B. CONTRACTOR shall connect to and/or provide all electric power, outlets,
devices, fixtures, pull boxes and control wiring for all equipment shown on the
Drawings. All electrical wiring shall be in accordance with the manufacturer's
requirements.

C. CONTRACTOR shall fully coordinate the Work. CONTRACTOR shall furnish any
and all information, in writing, that is needed for the coordination of
clearances, etc., with the work of others, and such information shall be given in
a timely fashion, so as not to impede the progress of other trades.
CONTRACTOR shall confer and resolve all conflicts immediately. If so directed
CONTRACTOR shall prepare composite drawings to resolve any space or
clearance conflict. If CONTRACTOR installs materials and equipment before

File No. 3066.09 Electrical Work 16000 - 5 of 7 December 2017

providing needed coordination, CONTRACTOR shall relocate his work or make
other adjustments, as needed, at no additional cost to OWNER.

CONTRACTOR shall arrange to have its recessed equipment set in place ahead
of construction and shall assure, sufficiently in advance, the shape, size and
position of all openings required. In case of failure on the part of
CONTRACTOR to install recessed equipment as designed, CONTRACTOR shall
cut and patch as needed, with no additional cost to OWNER.

Coordinate electrical work with OWNER.

3.2. RACEWAYS

A.

Raceways shall be installed neatly racked, routed parallel or perpendicular to
building lines, and securely attached and supported in accordance with NECA
“Standards of Installation.” Threaded GRS conduit must be wrench-tight to
fittings for proper grounding.

Support conduit using coated steel or malleable iron straps, lay-in adjustable
hangers, clevis hangers, and split hangers.

Group related conduits shall be supported using conduit rack. Construct rack
using galvanized steel channel assemblies or unistrut and single-bolt strap.
Provide space on each rack for 25 percent additional conduits.

Provide pull boxes as required or where excessive turns are encountered. At
exterior locations, install pull boxes flush with grade, on a structural base.

Use lubricants to facilitate wire pulling. Lubricant shall be UL listed for use
with the type of wire being installed.

Furnish and install pull wires in all spare conduits. Label each terminus.

3.3. WIRES AND CABLES

A.

Provide all wiring as indicated and/or required to each piece of equipment,
wiring device, lighting fixture, etc. shown on the Drawings.

All splices, taps, connections, terminations, etc., shall be made with appropriate
connectors in a workmanlike manner and in accordance with the NEC.

Provide suitable split-wedge cable supporting devices in each conduit riser, as
required to support vertical cables.

File No. 3066.09 Electrical Work 16000 - 6 of 7 December 2017

3.4

3.5

3.6

3.7

OUTLET AND JUNCTION BOXES

A. Outlet and junction boxes shall be installed in a workmanlike manner, rigidly
supported and properly aligned. Do not rough-in boxes back-to-back.

MOUNTING HEIGHTS

A. Wiring devices and other equipment shall, unless noted otherwise, be mounted
with respect to the indicated surface as follows:

Receptacles: 4 feet - 0 inches above finish grade
Switches: 4 feet - 6 inches above finish grade
Control Panel: 6 feet - 6 inches to top above finish grade

IDENTIFICATION AND NAMEPLATES

A. Provide typed directories for panel board branch circuit identification.

TESTING

A. Test all systems, and repair or replace defective work.

[END OF SECTION 16000]

P:\3000s\3066.09\Source Files\Type II App\Specifications\ Division 16 Specifications\16000 Electrical Work.docx

File No. 3066.09 Electrical Work 16000 - 7 of 7 December 2017

SECTION 16500

INSTRUMENTATION AND CONTROLS

PART 1 - GENERAL

1.1

1.2

1.3

SCOPE

A. Work under this Section includes all metering and control equipment to be
furnished as part of the control system, and all signal wiring.

B. The interior of the Sump Riser Buildings is classified as a Class I, Division 1,
Group D environment. All instrument wiring and controls shall be intrinsically
safe or rendered intrinsically safe through the use of barrier devices, or shall
be rated explosion proof and installed in a manner that maintains the rating.

SUBMITTALS

A. Submit manufacturer’s catalog information showing type and size of
equipment. All variances from the requirements of the contract documents
shall be submitted for ENGINEER’s approval prior to delivery of the equipment
to the Site.

QUALITY CONTROL

A. All Work performed shall comply and be in accordance with all approved trade
practices and manufacturer's recommendations.

PART 2 - PRODUCTS

2.1

2.2

NOTICE: All products installed in the Sump Riser Building and below grade
structures shall be rated for use in a Class I, Division 1, Group D atmosphere
and installed in accordance with manufacturer recommendations. Explosive
concentrations of methane are likely to be found in these areas.

GENERAL

A. All equipment used for similar applications shall be the product of a single
manufacturer.

PRESSURE GAUGES

A. Pressure gauges shall be 2.5-inch diameter, glycerin filled stainless steel case,
satin finish.

B. Window shall be polycarbonate or laminated glass. Dial shall be white with
black markings. Accuracy shall be +1 percent of full scale.

File No. 3066.09 Instrumentation and Controls 16500 - 1 of 5 December 2017

Gauge shall be bottom outlet, flush mounted style, with %-inch NPT stainless
steel connection. Pressure range shall be 0 to 100 pounds per square inch

gauge (psig).

Provide each pressure gauge with a plug type, isolation valve as indicated on
the Drawings to allow removal of the gauge under operating pressure.

2.3. LEVELSWITCH AND HOLDER

A.

B.

H.

I.

The level switch shall be float type, with reed switch.

Level switch shall indicate discrete fluid level by buoyancy of the float, which
closes the reed switch. Switch shall be installed in normally open position.

Each level switch assembly shall include a single reed switch and single float.
Switch location shall be as indicated on the Drawings.

Float diameter shall be 2 inches. Float shall be buoyant in liquids of specific
gravity greater than 0.70.

Float and guide tube shall be 316 stainless steel.

Extension pipe and fittings shall be stainless steel. Dimensions shall be as
indicated on the Drawings.

Float switch installed inside the Sump Riser Building shall be intrinsically safe.
Circuit shall be rendered intrinsically safe by Zener Barrier in the control
panel.

Support bracket shall be galvanized steel or stainless steel.

Acceptable Manufacturer - Madison M5600-PR or approved equal.

2.4 FLOW METERS

A.

B.

Flow meters shall be as specified on the Drawings.

Acceptable manufacturers — Sparling Instruments, Inc., or approved equal.

2.5 LEVEL TRANSMITTERS

A.

Level transmitters for leachate sump and leachate structures shall be
submersible piezoresistive pressure sensing type, with Type 316 stainless
steel construction, welded stainless steel diaphragm, 24VDC excitation, 2-wire
4-20mA output, and integral sealed signal cable with vent tube.

File No. 3066.09 Instrumentation and Controls 16500 - 2 of 5 Revised January 2019

VHB-Vanasse Hangen Srustiin, inc.
2 Bedford Farms Dr, Suite 200
Bedford, NH 03110

Breakdown of Tasks, Personnel Hours, and Cost

BREAKDOWN OF TASKS - WATER STREET FINAL DESIGN

City of Nashua, NH

Total
QAIQC & Task Senior Sr.CADO | Admin. CACO
Tasks cM Managers Engineer Engineer Tech. Tech Hours Cabo Amounts
Final Plans (90%)
General Plan
Set Alignment a 3 $285
Label Curbing Gaometry and Provide Curting Table 2 4 4 19 $1 150
Drainage Modificalions and Notes 2 1 4 4 1 $1,365
Construction Notes 2 1 3 6 $930
Signing and Pavement Marking Plan 1 1 2 6 10 $1.230
Sign Summary Sheet 1 4 Ej $715
Bridge Railing Modifications 2 8 8
Detail Sheets) 4 2 4 4 6 20 $2880
Traffic Signal Modifications (Water St at Main St} 1 2 4 6 13 $1.775
100% Flans Incl. Response to Comments 6 4 2 4 4 4 24 $3,660
‘Special Provisions 4 4 6 14 $2.590
Coordination with CM dunng their Contractor Procurement 4 4 4 12 $2 300
Project Meatings / Corespondence/Coardinaton with City 12 12 24 $5 160
Subtotal 38 4 18 30 26 24 152 $24,040
TOTAL HOURS 38 4 18 30 26 24 152
HOURLY RATES $215.00 $215.00 $145.00 $95.00 $125.00 $85.00
LABOR COSTS $8,170 $7,310 $2,610 $2,850 $3,250 $2,040 $26,230
TOTAL LABOR = $26.230 00

VHB Water Street Final Design Fee 2022 05-19 ORAFT

Cate Prepared 6/9/2022