ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING Wyoming County, Lemon Stockpile #16 Project #11415659 Building # 00471611 I. Electrical A. General 1. Summary of the Work a) Utility company coordination b) Site trenching and backfilling c) Main service entrance equipment and metering d) Repair or replacement of conduits and wiring that was disturbed during construction of the new storage building e) Demolition as may be required to tie into existing electrical systems and equipment f) Reconnection of the existing site lighting and equipment. g) Grounding and bonding h) Panel/subpanel i) Surge protection devices j) Conduit and conductors k) Installing lighting fixtures and lamps l) Switching and receptacles m) Raceways and boxes n) Cutting and patching o) Touch-up painting p) Electrical Identification q) Clean-up 2. Abbreviations
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ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
I. Electrical A. General
1. Summary of the Work
a) Utility company coordination
b) Site trenching and backfilling
c) Main service entrance equipment and metering
d) Repair or replacement of conduits and wiring that was
disturbed during construction of the new storage building
e) Demolition as may be required to tie into existing electrical systems
and equipment
f) Reconnection of the existing site lighting and equipment.
g) Grounding and bonding
h) Panel/subpanel
i) Surge protection devices
j) Conduit and conductors
k) Installing lighting fixtures and lamps
l) Switching and receptacles
m) Raceways and boxes
n) Cutting and patching
o) Touch-up painting
p) Electrical Identification
q) Clean-up
2. Abbreviations
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
a) PennDOT – The Pennsylvania Department of Transportation
b) RFA – PennDOT Regional Facilities Administrator
c) FA – PennDOT Facilities Administrator
d) MRO – Maintenance, Repair, and Operations
e) NFPA – National Fire Protection Agency
f) ANSI – American National Standards Institute
g) UL – Underwriters Laboratory
h) IES – Illuminating Engineers Society
i) IP – IP Code/International Protection Rating (Ingress Protection)
j) NEMA – National Electrical Manufacturers Association
k) APA (formerly American Plywood Association) – APA/The
Engineered Wood Association
3. Codes and Standards
a) NFPA 70 – National Electric Code (2011)
b) ANSI/UL 1449 & UL Standard for Safety for Surge Protective Devices, UL 1449, 3rd Edition
B. Products
1. Site main service entrance
a) UL listed
b) Minimum 400 amp, 120/240 volt, single-phase, 3-wire service or
minimum 200 amp, 208 volt (wye or delta), 3-phase service.
c) 400 amp main breaker with connectors/lugs for undersized utility
feeders as may be required.
d) 40 circuits, bolt-on breakers with the ability to install a 2-pole, 100
amp breaker
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
e) Copper bus interior
f) NEMA 3R
g) Provide touch-up paint
h) Exception: Some sites do not have separate services and are fed
from the county maintenance building. No change of service
entrance will be required at these sites.
2. Salt storage building subpanel
a) UL listed
b) Minimum 100 amp, 120/240 volt, single phase, 3-wire
c) 100 amp main breaker
d) 30 circuits, bolt-on breakers.
e) Copper bus interior
f) NEMA 3R
g) Provide touch-up paint
3. Backboards: Exterior class plywood, APA certified, ¾”, suitable for permanent outdoor use and exposure to the weather.
4. Strut systems: Stainless steel pre-manufactured channel support system, 1-
5/8” depth, similar to Truss-T, Cooper B-Line, or Unistrut.
5. Building interior fasteners, screws, straps, hangers, and clamps: Stainless
steel or plastic.
6. Conduit and conductors
a) Schedule 80 PVC
b) THHN or THWN, copper conductors
c) Conduit/conduit nipples for supporting hook-mounted lighting fixtures: Stainless steel, ¾” male NPT threads
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
7. Boxes and devices
a) General: PVC, weatherproof, NEMA 4X/IP66, UL listed
b) Conduit sealing fitting for hook-mounted lighting fixtures:
f) Receptacles – Truck Heaters: NEMA L5-20R, 20 amp, 125 volt, 2-
pole (hot and neutral), 3-wire (grounding), industrial grade
locking type, simplex, watertight, IP66.
g) Receptacles – Lighting: NEMA L5-15R, 15 amp, 125 volt, 2-pole
(hot and neutral), 3-wire (grounding), or NEMA L6-15R, 15 amp,
250 volt, 2-pole, 3-wire (grounding), industrial grade locking
type, simplex, watertight, IP66
h) Switch Covers – General: Weatherproof, PVC for use with PVC
boxes, FS, toggle/lever switch.
i) Switches: 1 and 2 poles, heavy duty specification grade, grounding, 120/277 volt, 1 HP rated at 120V, 2 HP at 240-277V.
j) Temperature Controller – Truck Heating Circuit: 0°F to 100°F, 2-
pole, 22 amps resistive at 120 volts, NEMA 4X enclosure, coil capillary temperature sensor, stainless steel hardware.
8. SPD (surge protection device)
a) ANSI/UL 1449 & UL Standard for Safety for Surge Protective Devices, UL 1449, 3rd Edition
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
b) SPD Type 1: Permanently installed on the line side of the
service panel. UL96A Master Label, 20kA nominal discharge
current.
c) SPD Type 2: Permanently installed on the load side at the panel. UL96A Master Label, 20kA nominal discharge current.
d) NEMA 3R enclosure
9. Interior Lighting fixtures:
a) Contractor must provide per the requirements of Section
C Paragraph 22.
b) Provide a hook assembly for high bay fixtures. Provide
mounting brackets where aiming is necessary.
c) For interior fixtures, provide a cord set assembly for each fixture
and terminate with a locking plug; 2-pole (grounding), industrial
grade locking type, simplex, weather-resistant, IP66. Provide an
L5-15P plug for 120 volt fixtures or an L6-15P plug for 240 volt
fixtures.
10. Exterior Lighting fixtures:
a) Contractor must provide per the requirements of Section
C Paragraph 22.
b) Hardwire exterior fixtures. Provide swivel bracket for
mounting and cable gland to allow aiming.
11. Motion detectors: Wet location; passive infrared; 360 degree field of view, 60’ radius at 40’ mounting height; polycarbonate, flame retardant, UV resistant, impact resistant; lens choices for mounting between 20’ and 40’; 120/277 VAC (0-800W ballast/tungsten load at 120v and 0-1200W ballast at 277v, 1/6 HP); UL listed, UL rated rain tight (UL244 and UL508); IP65 rated; operating temperature from -40 to 158°F; adjustable time-delay-off setting that is factory pre-set at 15 minutes; similar to Wattstopper Catalog No. HB350W-L4.
12. Photoelectric cell: Weatherproof, 120 volt, 180 degree swivel with light
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
level adjustment, UL listed.
13. Lighting contactors
a) UL listed, damp location
b) Poles: 2, 4, or 6, as required
c) Coil: 120 volt
d) Normally open, electrically held relay
e) NEMA 4X enclosure
f) Provide room for fuse, termination blocks, and wire-bending space. C. Execution
1. Install all electrical systems and components in compliance with the National
Electric Code – 2011.
2. The contractor shall provide all labor and materials for completion of
the work. This includes necessary tools, scaffolding, lifts, vehicles, and
equipment.
3. The contractor is responsible for scheduling and coordinating the work
with PennDOT. Salt-storage buildings and their surroundings may be in
active use. Submit a written schedule outlining the work for the duration
of the project. Survey the site to coordinate on-site staging and work areas.
Establish/coordinate staging and work area boundaries and their time of
use. Show these requirements on the schedule. Submit the schedule to the
project RFA/FA for approval along with lighting calculations and shop
drawings. Give a 2-week notice before proceeding with these aspects of
the schedule. PennDOT will not be able to provide clear access to the work
area at some locations because of salt and other materials stored on site at
the facilities. The Contractor will be responsible for working around the
salt, materials or equipment.
4. Define work and staging area boundaries using temporary fencing,
barricades, painted lines, warning tape, orange drums, cones, etc. Place
work-area boundaries so that they do not create obstacles or safety
hazards or interfere with on-going PennDOT work. Repair any damage
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
caused by temporary fencing or barricades.
5. The contractor is responsible for damage to other utilities including, but
not limited to telephone, storm water drains, water lines, sewage lines,
underground conduit, and direct-buried wire and cable.
6. Obtain permits from the Department of Labor and Industry and from
local municipalities as may be required.
7. Provide stamped, engineering drawings showing the work and the name
of the engineer of record who is responsible for the design. Use the
Commonwealth-of-Pennsylvania approved professional engineering seal.
The engineer of record must have a valid Pennsylvania professional
engineering license.
8. Final electrical inspection is required and must be paid for by the Contractor. 9. Service entrance:
a) Overhead or underground, based on site conditions and utility
company requirements. (Exception: Some sites do not have
separate services and are fed from the county maintenance building.
No change of service will be required at these sites.)
b) Except for those sites fed from the county maintenance building, or
any site that has an existing 400 amp single phase service
(reference Exhibit A), the Contractor is to provide a new 400 amp,
single-phase or a new 200 amp, three-phase service. Replace old
service entrance equipment with new service entrance equipment.
If necessary, upgrade the service entrance equipment to meet the
minimum capacity requirement. If the utility supplying power
intends to install undersized feeders, provide appropriately sized
connectors/lugs within the new service entrance equipment.
c) Existing conduits and branch circuit wiring may have to be
retrofitted for the main service panel board to comply with the
2011 NEC.
d) Electric service underground distribution: Follow utility company
guidelines for primary, secondary, and service lateral trenches.
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
This includes, but is not limited to, trench construction and
roughness, bedding depths, bedding and backfill materials,
concrete, conduit materials, pull wire, conduit depth, distance from
other utilities, and warning tape requirements. Utility companies
may include a requirement for conduit spacers within the trench.
For paved areas, unless otherwise directed, provide a 12” depth of
No. 2A stone aggregate under the base course.
e) “Install new spare 4” conduit adjacent to new service entrance
conduit. The new spare 4” conduit, to run parallel to the service
entrance conductor, spaced according to utility company
requirements. Provide elbows at the base of each riser. Meet
utility company requirements for termination above finished
grade of pavement. Install a pull string. Cap at both ends.
f) Where there is an existing underground service entrance
conduit that is acceptable for use by the utility companies for
the new service, then installing the new 4” spare conduit is not
required.
g) Where there is an existing underground service entrance conduit
that is acceptable for use by the utility companies for the new
service, then installing the new 4” spare conduit is not required. If
utility companies require new conduit for the service entrance then
the new spare 4” conduit is required. Run the conduit parallel to
the service entrance conductor and space according to utility
company requirements. Provide elbows at the base of each riser.
Meet utility company requirements for terminations above finished
grade of pavement. Install a pull string. Cap at both ends.”
10. Paved Areas: Cut, replace, and repair the existing pavement. Cut the existing
pavement 2’-0” wider (1’-0” each side) than the width of the intended
trench. Excavate as required for all underground distribution (site or utility
service). The top surface of replacement pavements should match the
existing pavement elevations.
a) Flexible pavement: Replace flexible pavement using a 6” depth of
25 mm (millimeter) superpave base course and a 2” depth of 9.5
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
mm superpave wearing course. Seal the edges of the completed
pavement with paving grade asphalt, PG64-22 (or equivalent), to a
minimum width of 6”.
b) Rigid pavement: Unless directed otherwise, replace with
flexible pavement as described above.
11. Trenching and backfilling for site underground distribution other than
utility service laterals:
a) The wiring method for underground distribution is wire
within conduit, no direct burial cable.
b) Unpaved areas: The tops of conduits should be 24” (minimum) below finished grade. Provide 2” of bedding below the conduit and 6” of bedding above the conduit. Bedding shall consist of stone dust, sand, rock-free earth, or topsoil with no sharp-edged stones or rounded stones larger than 1-1/2” diameter. For the remainder of the trench, use native backfill
c) Paved areas: The tops of conduits should be a minimum of 24”
below the base course of the pavement. Provide 2” of bedding
below the conduit and 6” of bedding above the conduit.
Bedding shall consist of stone dust, no sharp-edged stones or
rounded stones larger than 1 ½” diameter. For the remainder
of the trench, backfill with No. 2A stone aggregate.
12” below base course in paved areas. Install tape directly
above all underground conduits.
12. Subpanel: Replace an existing subpanel that may still remain with a
new subpanel.
13. Panel installations: Mount on exterior class, ¾-inch plywood backboard
or prefabricated strut/channel system. Do not mount directly on concrete.
14. Surge protection
a) Provide SPD Type 1 at the main service entrance panel,
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
permanently mounted on the line side of the panel.
b) Provide SPD Type 2 at the salt storage building
subpanel, permanently installed on the load side of the
panel.
15. Feeder to subpanel
a) Provide an underground feeder to the new subpanel from the main
electric service entrance. Install within Schedule 80 PVC conduit.
Provide the most direct path possible. (Exception: Some sites are
fed from the county maintenance building. The contractor is free to
reuse the existing conduit and feeders. Refer also to Paragraph 15d,
below. )
b) Size conductors based on 100 amps and the distance from the main
service entrance to the subpanel. Account for voltage drop along
the feeder. Account for the distance and the voltage drop within
branch circuits, as well.
c) Install a 100 amp, 2-pole breaker within the main service
entrance panel to feed the sub-panel.
d) The contractor is free to use existing Schedule 40 PVC if the
diameter is the correct size to accommodate the new conductors.
The exposed portion of the feeder should be Schedule 80 PVC.
Where necessary, provide a junction box at the point where new
connects to existing. Above-grade junction boxes are preferable,
if they can be installed on a building wall. Provide a slip riser at
the feed to the above-grade junction box and to the sub-panel.
16. Branch circuits
a) Conductors: Copper - Minimum #12 THHN or THWN
b) Conductors for exterior convenience receptacles and truck
heating circuits: #10 THHN or THWN, copper conductors.
c) Exterior: Minimize conduit installation on the outside of the
building, particularly for exterior receptacles.
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
d) Run PVC conduits on top of the bottom cord of trusses. No PVC
conduits will be permitted below the YELLOW LINE that indicates
salt storage height.
e) Run conduits so they will not be damaged by operating equipment.
f) Do not penetrate trusses or structural members.
g) Home runs to the subpanel: Minimize the number of conduits that are
exposed on the exterior of the building. On the exterior, install all
home-run conductors within one or two appropriately sized conduits.
From the building subpanel, run these conduits (vertically) on the
exterior wall of the building to the point of the building penetration.
Penetrate the building and terminate the conduits within a junction
box. Run the branch-wiring conduits from this junction box or gutter
to the lighting fixtures and devices.
17. Building Penetrations
a) General: The penetration heights and locations will vary from
building to building. Keep building penetrations well above the
salt- fill line to prevent damage from operating equipment.
b) Bearing walls: Penetrate the building just below eve height or, in
the case of gambrel shapes (a roof with two sloping sides stepped
at different angles on each side of the center ridge), penetrate just
below the point where the slopped roof structure meets walls that
are plumb.
c) End walls: Penetrate the building so that the conduit falls on top
of the bottom cord of trusses.
d) Do not penetrate concrete walls.
e) Do not penetrate floors.
f) Seal all penetrations so they are weather tight using a clear exterior
grade silicone caulking.
18. Switching of lighting fixtures
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
a) Interior fixtures: At the equipment service entrance, install a
high- mounted motion sensor to energize all interior lighting.
(1) The motion sensor controls a lighting contactor (2, 4, or
6 poles, as required).
(2) Install a hand-off-auto switch to override the motion sensor. Place the switch outside the building within 8” of the entrance. Mount the switch 48” above the floor.
(3) Install as many motion sensors and lighting zones as
necessary to provide floor coverage for the entire building.
Provide at least one (1) sensor for each bay within a building
that contains multiple bays.
(4) Refer to the Appendix, wiring diagram SK-1.
b) Exterior fixtures: Photoelectric control
(1) One photoelectric cell controls all exterior fixtures by energizing a lighting contactor (2, 4, or 6 poles, as required).
(2) Locate the lighting contactor adjacent to the building
subpanel. (3) Mount the remote photoelectric cell on the front exterior wall. (4) Provide an override switch adjacent to the building subpanel
to keep fixtures off during the summer.
(5) Refer to the Appendix, wiring diagram SK-2. 19. Exterior Receptacles
a) Provide two (2) duplex, GFCI receptacles for convenience circuits.
b) Provide two (2) 20 amp locking, simplex receptacles for truck heating circuits.
c) Mounting locations: Mount receptacles outside the building. Install
a set (one (1) convenience receptacle and one (1) simplex
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
receptacle for truck heating circuits) on each side of the salt building equipment entrance. Install each set of receptacles 5’- 0” (measured horizontally) from the edge of the entrance opening.
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
be accepted:
DIALIGHT DuroSiteTM Series LED High Bay Fixture
Part Number HB2C4M
Hook assemblies, mounting brackets and swivel bracket
assemblies should also be ordered from the Contract above as
needed to complete installation in accordance on these
specifications.
c) The awarded electrical contractor shall submit lighting
calculations for approval to the Facility Design Unit. Refer to
sample lighting calculations in the Appendix.
(1) Interior:
(a) 10 FC (foot candles) maintained, plus or minus 1 FC, at a plane 2.5’ above the finished floor
(b) LLF (light loss factor): 0.65
(c) Interior reflectance – walls and ceilings: 20%
(d) Interior reflectance – floors: 10% (e)
Maximum/Minimum FC ratio: 3.0/1 (f)
Average/Minimum FC ratio: 2.0/1
(g) Mounting heights will vary based on building type but will generally be a minimum of 24’ above the finished floor (measured from the fixture face/lens).
(h) Mount fixtures within roof trusses for protection from operating equipment.
(i) For high-arch (gambrel roof) buildings, all lighting
fixtures should be mounted above the bottom cord of
the trusses. Mount fixtures between 22’ and 23’. Aim
selected fixtures to achieve a uniform lighting
distribution. Use manufacturer’s mounting bracket
and cable gland kit. For the remaining fixtures, use
the hook-mounting assembly. Refer to the sample
lighting calculations in the Appendix.
(j) When installing a hook-mounted lighting fixture, use the manufacturer-supplied cable and hook, and contractor-supplied conduit sealing fitting and stainless steel conduit nipples. To maintain the IP66 rating, install the sealing fitting between the hook and the
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
lighting fixture. Thread the cable through the conduit nipples, sealing fitting, and hook. Seal the cable within the sealing fitting using a UL-listed sealing compound.
(k) Terminate the cable with a locking plug.
(2) Exterior:
(a) Building front: 2.0 FC, maintained, in the statistical
zone area.
(b) Statistical zone area: Length of the front of the
building measured in feet times a depth of 24’
(measured perpendicular to the face of the front of
the building wall). Assume a horizontal plane of
illumination equal to the finished floor elevation.
(c) LLF (light loss factor): 0.65
(d) Maximum/Minimum FC ratio: 3.0/1 (e)
Average/Minimum FC ratio: 2.0/1
(f) Hardwire using manufacturer’s mounting bracket
and cable-gland kit; mount fixtures between 22’ and
25’ above the finished floor elevation. (Note: The
intent is to illuminate the truck beds as well as the
pavement.) Aim the fixtures as required.
23. Touch-up painting: Thoroughly clean damaged areas and apply primer and
finish coats according to manufacturer’s instructions and to suit the degree
of damage.
24. Housekeeping and clean-up:
a) Daily: Keep the site safe and orderly at all times. Clean up
daily, removing trash and debris.
b) Project completion: Remove all construction related packaging and
debris. Thoroughly clean lighting fixtures and equipment,
removing fingerprints, dust, and foreign matter, etc.
D. SUBMITTALS
1. Submittal procedure
a) Submit Two (2) copies of all items shown on submittal
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
schedule except for "samples".
b) Identify project number, project name and location, and
contractor's name and address on all submittals.
c) Provide space for review stamps of Contractor and Department.
Put contractor stamp of approval on each item submitted.
d) Revise and resubmit submittals as required, identify all changes
made since previous submittal.
e) No work shall be performed until all submittals are approved by
the Department. Work performed prior to submittal approval is
performed at the Contractor's risk and may be subject to repair,
replacement or other corrective measures as deemed necessary by
the Department with no additional contract time or money.
f) Review of shop drawings will be general and for the limited
purpose of checking for general conformance with the design; and
shall not relieve the Contractor from the responsibility for proper
fitting and construction of the work, nor from furnishing materials
and work required by the Contract which may not be indicated on
the shop drawings when reviewed.
g) The submittals required by this contract are subject to
reproduction for the Department's internal use only. By signature
on this bid proposal, both the Contractor and the equipment
manufacturer authorize the Department to reproduce any
materials including printed literature and training aids, submitted
in fulfillment of this contract.
2. Proposed products list
a) Submit as specified in specifications and on submittal schedule.
3. Shop drawings
a) Submit as specified in specifications and on submittal schedule.
4. Product data
ATTACHMENT B PROJECT SPECIFICATION ELECTRICAL/LIGHTING
Wyoming County, Lemon Stockpile #16 Project #11415659
Building # 00471611
a) Submit as specified in specifications and on submittal schedule.
5. Samples
a) Submit one (1) sample unless otherwise specified in
individual specification sections.
b) Submit as specified in specifications and submittal schedule.
c) Submit sample to illustrate functional and aesthetic characteristics
of the product, with integral parts and attachment devices.
d) Submit sample of finishes from the full range of
manufacturer's standard colors, textures and patterns for
selection.
e) Include identification on each sample with full project information.
6. Manufacturer's instructions
a) When specified in specification sections, submit manufacturer's
printed instructions for delivery, storage, assembly, installation,
start- up, adjusting and finishing, and maintenance, in quantities
specified for product data.
b) Identify conflicts between manufacturer's instructions and
contract documents.
7. Manufacturer's certificates
a) When specified in specification sections or on submittal
schedule, submit manufacturer's certificates to for review.
b) Indicate that material or product conforms to or exceeds