BOARD OF COMMISSIONERS OF THE PORT OF NEW ORLEANS
NOTE TO PERSPECTIVE BIDDERS
CONTRACT FOR
FRANCE ROAD TERMINAL
PUMP STATION NO.6 REPAIRS
DAMAGE BY HURRICANE KATRINA
WORK ORDER # 2-530 - PW # PNOD001
REQ. NO. REQ 047334
December 3, 2007
FOR BIDS DUE ON DECEMBER 6, 2007
AT 2:00 P.M.
Dear Sirs:
Please note the following:
ADDENDUM NO. 2
GENERAL
During the course of this project, it is anticipated that another contractor may be working
on repairs to the existing sewer lift station located within the work area for this project.
Contractor shall be responsible for coordinating his work with contractor for sewer lift
station project. There will be no additional payment for this work.
SEPECIFICATIONS
Item No. 1 – Bid Form
Delete the “Bid Form” issued with November 2, 2007 Bid Documents in its
entirety and replace with revised “Bid Form” issued with this Addendum No. 2.
Item No. 2 – ARTICLE 45 – QUANTITIES AND PRICES
Insert the following paragraph below the second paragraph on page 2, “Item No.
4 – Relocation of Electrical Service for Motor Control Center…”:
“Item No. 4A – Relocation of Telephone Service
The lump sum price bid for this item shall be full compensation for all
labor, material and equipment required to remove, legally dispose and relocate
the existing telephone service as defined in “Section 16100 – BASIC
Req. 047334
Page 1 of 4
Addendum No. 2
MATERIALS AND METHODS,” as specified herein, and as shown on the
drawings.”
Item No. 3 – SECTION 15130 – MOTORS FOR PUMPING STATION
Delete SECTION 15130 – MOTORS FOR PUMPING STATION issued with
November 2, 2007 Bid Documents in its entirety and replace with revised
SECTION 15130 – MOTORS FOR PUMPING STATION issued with this
Addendum No. 2.
Item No. 4 – SECTION 16100 – BASIC MATERIALS AND METHODS
Delete SECTION 16100 – BASIC MATERIALS AND METHODS issued with
November 2, 2007 Bid Documents in its entirety and replace with revised
SECTION 16100 – BASIC MATERIALS AND METHODS issued with this
Addendum No. 2.
DRAWINGS
Item No. 5 – Drawing No. KRT-7100-E1
Delete Drawing No. KRT-7100-E1 issued with November 2, 2007 Bid Documents
in its entirety and replace with the revised Drawing No. KRT-7100-E1 labeled
Revision No. 1 issued with this Addendum No. 2.
Req. 047334
Page 2 of 4
Addendum No. 2
ACKNOWLEDGMENT
This notice of Addendum No. 2 is sent to you in duplicate. Upon receipt, please sign
and include one copy with your bid; and sign the other copy and return promptly by mail
or facsimile to the Port of New Orleans, FAX: (504) 528-3445.
Very truly yours,
Ms. Deborah Keller, P.E.
Director, Port Development
Board of Commissioners of
the Port of New Orleans
New Orleans, Louisiana
NOTICE ACKNOWLEDGED
______________________________
(Prospective Bidder)
By: ___________________________
Date: __________________________
Req. 047334
Page 3 of 4
Addendum No. 2
ACKNOWLEDGMENT
This notice of Addendum No. 2 is sent to you in duplicate. Upon receipt, please sign
and include one copy with your bid; and sign the other copy and return promptly by mail
or facsimile to the Port of New Orleans, FAX: (504) 528-3445.
Very truly yours,
Ms. Deborah Keller, P.E.
Director, Port Development
Board of Commissioners of
the Port of New Orleans
New Orleans, Louisiana
NOTICE ACKNOWLEDGED
______________________________
(Prospective Bidder)
By: ___________________________
Date: __________________________
Req. 047334
Page 4 of 4
Addendum No. 2
BID FORM
NOTE: This bid form is issued for receiving bids in conformity with La. R.S. 37:2163
(laws for the licensing of Contractors). Consideration will be given to bids received only
from Bidders qualified thereunder. The furnishing of the Contract Documents to
persons, firms, or corporations, other than those so qualified under the law, is for
information only.
We certify that we are currently licensed
per the above NOTE as follows:
Bid of
License No. ______________________
Address
Classification_____________________
City __________________________________________________________________
State
Zip _____________________________
Date
Telephone _______________________
To:
Board of Commissioners, Port of New Orleans
1350 Port of New Orleans Place
New Orleans, Louisiana 70160
Sirs:
We hereby propose to furnish under one contract all superintendence, labor,
tools, equipment, materials, transportation, and all other facilities and incidentals of
every description, to perform all work (except as may be otherwise specifically provided)
required to remove and replace existing pump motors, raise pump motors and relocate
electrical service for motor control panel. The site is located along the Inner Harbor
Navigational Canal (IHNC) near Interstate 10 in New Orleans, Louisiana, as more
particularly described under Article 45 and Article 50 (b), in strict conformity therewith,
and to the satisfaction of the Board for the following prices listed opposite each bid item.
Req. REQ 047334
VI-a
Addendum No. 2
Bid Form – Page 1 of 4
Work Order #2-530 – PNOD001
BASE BID
ITEM
NO.
DESCRIPTION
1.
Mobilization
APPROX
QTY.
lump
UNIT
PRICE
$
ITEM
TOTAL
$________
lump sum
2.
Remove and Replace
2
150 HP Electric Motor
each
(including electrical connection)
$
_________
per each
$
______
3.
Electrical Demolition
lump
$___________
lump sum
$________
4.
Relocation of Electrical
Service for Motor Control
Panel
lump
$___________
lump sum
$________
4A.
Relocation of Telephone
Service
lump
$___________
lump sum
$________
2
each
$___________
per each
ALTERNATE 1
5.
Raise Pump Motor and
Electrical Feeder
$________
TOTAL AMOUNT
OF BASE BID
(Sum of Items 1 thru 4A)-----------------------------------------------$____________________
TOTAL AMOUNT
OF ALTERNATE 1
(Sum of Item 5)-----------------------------------------------------------$____________________
TOTAL AMOUNT
OF BASE BID PLUS ALTERNATE 1
(Sum of Items 1 thru 5)-------------------------------------------------$____________________
Req. REQ 047334
VI-b
Addendum No. 2
Bid Form – Page 2 of 4
We agree that the description under the item (being briefly stated) implies,
although it does not necessarily mention, all incidentals, and that the prices stated are
intended to be complete and to cover all such work, materials and incidentals that
constitute our obligations as described in the specifications, with the foregoing price
covering any and every detail not specifically mentioned but evidently included in the
contract. The price stated covers as well every cost and expense incurred by us in the
performance of the contemplated contract, including, but not limited to, any and all sales
and use taxes which might otherwise be charged against the Board.
In accordance with the terms of the specifications and the general and special
conditions of the contract documents, especially Article 45 and Article 50, paragraph (f),
we propose to begin work at the project site within ten (10) calendar days after date set
forth in Notice to Proceed from the Board, and to complete all work within sixty (60)
consecutive calendar days after date in said Notice to Proceed, subject to the
assessment of ascertained and liquidated damages of five hundred dollars ($500.00)
per calendar day of delay.
We agree that we will perform work with our own organization to meet the
requirements of Article 46. Upon request of the Board we agree to furnish, within two
working days thereafter, a list of work by classes that we will perform with our own
organization, and the percentage of the total work that each represents.
We deposit with this bid a certified or cashier's check in the amount of:
Dollar($
)
Alternatively, we deposit a bid bond, together with "Power of Attorney," written by a
surety company meeting all requirements stipulated under INSTRUCTION TO
BIDDERS of these documents, in the amount of:
Dollar($
or
).
percent of the total bid.
The bid deposit, as above, is at least five percent (5%) of the total bid and is a
guarantee that we will, within ten (10) calendar days after receipt of written notice from
Board that award is made to us, enter into a notarial contract with the Board as herein
provided, and furnish performance bond equal to the amount of contract, or otherwise
forfeit the deposit as ascertained, and liquidated damages. Said contract will be
entered into the City of New Orleans, at the office of the Notary Public selected by the
Board, and whose fee will be paid by the Board. Contract will be executed upon the
attached standard forms.
Req. REQ 047334
VI-g
Addendum No. 2
Bid Form – Page 3 of 4
The performance bond hereinabove stipulated will be written by:
______________________________________________________________________
name of company
of ___________________________________________________________________
address of company
in full complexity with all requirements stipulated under INSTRUCTIONS TO BIDDERS
of these documents.
We agree that this bid shall be binding upon us, pending award of contract, for a
period of forty-five (45) calendar days after date of opening of bids.
We acknowledge that we have visited the site of the proposed work, have
observed the conditions and current operations of the Board and others in the area, and
we confirm that we have carefully read the INSTRUCTIONS TO BIDDERS and have
complied with the conditions therein.
We acknowledge and have signed receipt(s) for Addendum or Addenda as
follows:
______________________________________________________________________
(Bidders must fill in the above line with the Addendum No. of all Addenda
received and acknowledged.)
__________________________
(Bidder's Signature In Ink)
__________________________
(Title of Firm In Ink)
(Please supply a Corporate Resolution or other document showing person whose
signature appears above is duly authorized to sign.)
Req. REQ 047334
VI-h
Addendum No. 2
Bid Form – Page 4 of 4
INDEX
SECTION 15130 – MOTORS FOR PUMPING STATIONS
______________________________________________________________________
PARA.
PAGE
NO.
PARAGRAPH TITLE
NO.
______________________________________________________________________
1.
SCOPE
15130-1
2.
RELATED SECTIONS
15130-1
3.
SUBMITTALS
15130-1
4.
MATERIALS
15130-1
5.
INSTALLATION
15130-3
6.
EQUIPMENT TESTING AND START-UP
15130-3
7.
MEASUREMENT AND PAYMENT
15130-4
Req. REQ 047334
15130-a
Addendum No. 2
SECTION 15130 – MOTORS FOR PUMPING STATIONS
PART 1 - GENERAL
1.
SCOPE
Base Bid:
Covers the furnishing of all materials, labor, tools and equipment and
performing all work required to remove and replace existing pump motors
.
Alternate Bid:
Covers the furnishing of all materials, labor tools and equipment and
performing all work required to raise pump motors and install a fabricated
steel high ring base (HRB) with pillow block bearings in the bottom plate
of the HRB, a motor steady bushing and new shaft extension including
couplings, fittings and adaptors.
2.
RELATED SECTIONS
3.
SUMITTALS
Shop drawings: Shop drawings of motors shall be submitted for review by
the Engineer in accordance with these specifications. Shop drawings
shall contain the following information:
a.
Motor name, identification number and specification number.
b.
Electrical data including control and wiring diagrams.
c.
Assembly and installation drawings including shaft size, coupling,
anchor bolt plan, part nomenclature, material list, outline
dimensions and shipping weights.
PART 2 – PRODUCTS
4.
MATERIALS
4.01
Pump Motors (Base Bid)
All motors unless otherwise indicated, shall be 150 HP (880 RPM),
vertical hollow shaft with 2 piece headshaft TEFC, T-frame, P-base,
cast iron construction, severe duty class with non reverse ratchets
and 2 cycles of vacuum impregnated epoxy resisns (VP1-200),
stainless steel hardware and refined balance, 480V, 3 PH, 60Hz,
REQ 047334
15130-1
Addendum No. 2
Class “B” rise, Class “F” insulation and normal starting torque.
Provide motor steady bushings. Motor insulation and corrosive
parts shall be epoxy coated. All motors shall be capable of
sustained operation at 115% of nameplate rating without
deleterious effect. Motors shall be capable of continuous outdoor
operation. Motors shall be the quality product of a recognized
major domestic manufacturer such as Reliance, Westinghouse,
Century, U.S., or approved equal. All motors shall be supplied with
heater strips. Motor and equipment shall conform to ANSI B58.1
and AWWA E101 standards.
4.02
High Ring Base (HBR) (Alternate 1)
The HBR shall fabricated from A36 steel per manufacturers
recommendations with ribbed sides for support.
4.03
Shaft Extension (Alternate 1)
The shafting shall be of 416 stainless steel turned and ground. The
butting faces shall be machined square to the axis of the shaft with
the maximum permissible axial misalignment of the thread axis with
the shaft axis of 0.002 inch in 6 inches. Shafting shall be supported
by bronze bearings. Provide a minimum B-10 bearing life of 60,000
hours operation.
4.04
Coating for High Ring Base (Alternate 1)
The HBR shall be coated as follows:
REQ 047334
a.
The shop coat (first coat) shall consist of one (1) coat of
TNEMEC Series 90-1K97 Tneme-Zinc or approved equal.
Shop coat shall be sprayed on to a minimum dry mil
thickness of 2.5 to 3.5 dry mils.
b.
The first field coat (second coat) shall consist of one (1) coat
of TNEMEC Series 66-Color Epoxoline or approved equal.
Second coat shall be applied to a dry mil thickness of 4.0 to
6.0 dry mils.
c.
The second field coat (third or finish coat) shall consist of
one (1) coat of TNEMEC Series 1075 Polyurethane finish or
approved equal. The third coat shall be applied to a
minimum dry mil thickness of 2.5 to 3.0 mils, or a total three
coat thickness of 9.0 mils minimum.
15130-2
Addendum No. 2
d.
All finishes to be semi-gloss. Finish color shall match
existing pump coating.
PART 3 – EXECUTION
5.
6.
INSTALLATION
5.01
Unbolt and remove existing motor. Existing motor shall become the
property of the contractor and legally disposed of off Port of New
Orleans property. (Base Bid)
5.02
Install new motor in accordance with manufacturers
recommendations. (Base Bid)
5.03
Install HRB in accordance with manufacturers recommendations.
EQUIPMENT TESTING AND START-UP
6.01
All bolts and other connectors shall be checked and proven tight.
6.02
All rotating elements shall be checked for proper alignment and free
rotation.
6.03
Voltage across the motor leads shall be checked and recorded. If
not within manufacturer’s tolerance, the condition shall be corrected
before proceeding.
6.04
Motors shall be checked for proper rotation.
6.05
Proper lubrication of all bearings and seals shall be verified.
6.06
The system shall be set for normal operation and the pumps
started. If any leak, undue noise, cavitation, vibration and/or
overheating of the bearings are observed, the pumps shall be
stopped immediately and the condition corrected.
6.07
As soon as the pumps appear to operating normally, the amperage
of each motor lead shall be measured and recorded together with
the readings of the pump discharge pressure gauge and suction
pressure gauge, if any. If the amperage is above normal, the
pumps shall be immediately stopped. The cause shall be
determined, and the condition corrected.
6.08
When all conditions appear normal, the pumps shall be operated
continuously for two hours. The amperes for each motor lead and
the corresponding pressure gauge readings shall be recorded at 30
REQ 047334
15130-3
Addendum No. 2
minute intervals. There shall be no evidence of any abnormality
during the two hour run for the test to be accepted.
6.09
7.
After two hours continuous operation with no abnormalities
observed, the test will be considered satisfactory and complete. All
bolts or other connectors shall be checked and tightened if
necessary, and test terminated.
MEASUREMENT AND PAYMENT
Measurement for removal and replacement of 150 HP motor shall be
made per each. (Base Bid)
Measurement for installing a steel high ring base to raise new motor shall
be made per each. (Alternate 1)
Payment for removing and replacing existing 150 HP electric motor
including electrical connections and legal disposal of existing motor off of
Port property shall be made per each at the price bid for “Item No. 2 –
Remove and Replace 150 HP Electric Motor (including electrical
connection),” which price and payment shall be full compensation for all
labor, material and equipment to remove and replace 150 HP electric
motors as specified herein and as shown on the drawings. (Base Bid)
Payment for installing a steel high ring base (including shaft extension,
bearings, couplings, fittings, coatings, etc.) to raise new motor to elevation
shown on drawings shall be made per each at the price bid for “Item No. 5
– Raise Pump Motor and Electrical Feeder,” which price and payment
shall be full compensation for all labor, material and equipment to remove
and replace 150 HP electric motors as specified herein and as shown on
the drawings. (Alternate 1)
REQ 047334
15130-4
Addendum No. 2
INDEX
SECTION 16100 – BASIC MATERIALS AND METHODS
______________________________________________________________________
PARA.
PAGE
NO.
PARAGRAPH TITLE
NO.
______________________________________________________________________
1.
SCOPE
16100-1
2.
RELATED WORK
16100-1
3.
CONDUIT
16100-1
4.
CONDUCTORS
16010-2
5.
BOXES
16010-4
6.
SAFETY AND DISCONNECT SWITHCES
16010-4
7.
FUSES
16010-5
8.
FOUNDATIONS AND SUPPORTS
16010-5
9.
METHOD OF WIRING
16010-6
10. INSTALLATION OF BOXES AND FITTINGS
16010-11
11. IDENTIFICATION EQUIPMENT
16010-11
12. PHASE SEQUENCE
16010-12
13. PAINTING
16010-12
14. GROUNDING
16010-12
15. INSTALLATION OF SAFETY DISCONNECT SWITCHES
16010-13
16. MOTORS
16010-14
17. TESTING
16010-14
18. SWITCHES AND MOTOR STARTERS
16010-15
Req. REQ 047334
16100-a
Addendum No. 2
INDEX
SECTION 16100 – BASIC MATERIALS AND METHODS
______________________________________________________________________
PARA.
PAGE
NO.
PARAGRAPH TITLE
NO.
______________________________________________________________________
19. MEASUREMENT AND PAYMENT
REQ. 047334
16100-b
16010-15
Addendum No. 2
SECTION 16100 - BASIC MATERIALS AND METHODS
PART 1 – GENERAL
1.
SCOPE
The work covered by this section consists of furnishing all labor, materials and
equipment and performing all work required for installation of raceways, wiring
gutters, cable, wire and connectors, boxes, fittings, etc. as specified herein and
as shown on the drawings.
2.
RELATED WORK
SECTION 16010 – GENERAL PROVISIONS
SECTION 16060 – ELECTRICAL DEMOLITION
PART 2 - PRODUCTS
3.
CONDUIT
3.01
General: Provide metal conduit, and fittings of the type, grade and
size, as shown and required for each service. Where type and
grade are not indicated, provide proper selection to fulfill the wiring
requirements and complying with the NEC for electrical raceways.
3.02
Conduit shall be provided in standard 10-ft. lengths, each length
bearing the Underwriters' Laboratories label. Conduit shall not be
smaller than 1/2" except where noted otherwise.
3.03
The exterior and interior surfaces of all rigid steel conduit shall be
thoroughly and evenly protected against corrosion with a zinc
coating. The galvanized protection shall be coated with either a
lacquer or enamel finish both inside and outside.
3.04
Couplings, connectors, and fittings shall be approved type
specifically designed and manufactured for the purpose. UL Label:
All electrical raceways and fittings shall be UL labeled.
3.05
Metal Conduit:
3.06
REQ. 047334
A.
Rigid Steel Conduit: ANSI C8O.1, hot dip galvanized.
B.
Rigid Steel Conduit Fittings: ANSI C80.4.
Liquidtight Flexible Metal Conduit:
16100-1
Addendum No. 2
A.
3.07
4.
Type: Single strip, continuous, flexible, interlocked, doublewrapped steel, galvanized inside and outside; forming
smooth internal wiring channel; with liquidtight jacket of
flexible PVC.
Liquidtight Flexible Metal Conduit Fittings: Liquidtight, zinc coated
steel.
CONDUCTORS:
4.01
General: Except as otherwise indicated, provide cable, wire, and
connectors of manufacturer's standard materials, as indicated by
his published product information, designed and constructed as
instructed by the manufacturer and as required for the installation.
4.02
Provide factory-fabricated wire and cable of the size, rating,
material, and type as indicated for each use.
4.03
600 Volt Building Cable and Wire: Provide soft or annealed copper
wires meeting, before stranding, the requirements of ASTM B3,
"Standard Specification for Soft or Annealed Copper Wire for
Electrical Purposes", latest edition.
4.04
All conductors shall be copper, single conductor heat and moisture
resistant and thermal plastic insulated for all sizes, rated 600 volts,
solid up to and including size #10, stranded thereafter unless
specified or noted otherwise.
4.05
Motor control wiring shall be suitable for 75°C operating
temperature, of types appropriate for dry or wet locations. Motor
power wiring regardless of size shall be rated 600 volts and shall be
suitable for 75°C operating temperature, of types appropriate for
dry or wet locations.
4.06
Control wiring operated at 120VAC and above shall not be smaller
than #14AWG, and shall be copper, 98% conductivity, stranded
with insulation rated not less than 60OV, and suitable for 75°C
operating temperatures in wet and dry locations.
4.07
Control wiring operated at 50VAC or DC and less shall not be
smaller than #16AWG, and shall be copper, 98% conductivity,
stranded with insulation rated not less than 300V, and suitable for
75°C operating temperatures in wet and dry locations.
Multiconductor wiring shall have an overall PVC jacket. Paired
REQ. 047334
16100-2
Addendum No. 2
conductors shall be twisted and have 100% individual and overall
shielding with copper drain wire and overall PVC jacket.
4.08
Conductors used for the transmission of data, sound, or video
signals shall be copper, 98% conductivity, stranded, with insulation
rated not less than 30OV, and suitable for 600C operating
temperatures in wet and dry locations. Conductor size (AWG),
construction (multipair, coaxial, etc.), and shielding shall be as
specified by the manufacturer of equipment the conductors) are
being connected to.
4.09
Unless otherwise specified, wire for the various services shall be of
the following types:
4.10
4.11
A.
Power circuits: Type "THWN/THHN"
B.
Feeder: Type “THWN/THHN” or “XHHW”
C.
Motor control wiring: Type "THWN/THHN”.
Insulation: Insulation shall meet or exceed the requirements of UL
83, "Standard for Thermoplastic Insulated Wires".
A.
Insulation for conductors sized No. 18 AWG through No. 10
AWG shall be UL Type THHN/THWN.
B.
Insulation for conductors sized No. 8 AWG and larger shall
be UL Type THHN/THWN, or XHHW.
Taps, Splices and Terminations:
A.
All secondary feeder taps shall be made of cast copper, 2bolt type connector, with insulating covers. Terminal
connections shall be made with 2-bolt, clamp type lugs, as
manufactured by:
-
B.
Taps and splices for branch circuit wiring #14 to #6 shall be
made with approved solderless pressure spring connectors
with insulating covers as manufactured by:
-
REQ. 047334
O.Z. Electric Manufacturing Co.
Thomas & Betts
Minnesota Mining & Manufacturing Company
Ideal Industries, Inc.
Buchanan Electrical Products Corporation
16100-3
Addendum No. 2
C.
Tape shall be Scotch #33 and shall be applied so that the
insulation is not less than that of the wire.
D.
Cable supports shall consist of composition cable clamps as
manufactured by:
-
4.12
5.
6.
O.Z. Electrical Manufacturing Co.
Burndy
Connectors for Building Wire and Cable: Provide factory fabricated,
metal connectors of the size, rating, material, type, and class
required for each use.
BOXES
5.01
Conduit Bodies: Provide galvanized cast metal conduit bodies, of
the type, shape, and size, to suit each respective location and
installation, constructed with threaded conduit ends, removable
cover, and corrosion-resistant screws.
5.02
Bushings, Knockout Closures, and Locknuts: Provide corrosionresistant punched-steel box knockout closures, conduit locknuts,
and insulated conduit bushings of the type and size to suit each
respective use and installation.
SAFETY AND DISCONNECT SWITCHES:
6.01
Safety switches shall be of the quick-make, quick-break visible
blade-knife switch type. They shall be of the heavy duty type, fused
or nonfused type, as indicated on the Drawings. Fused switches
shall have positive pressure fuse clips. Switches shall be fully
interlocked, with provision to neutralize the interlock by a screw
driver while under load without interrupting the circuit. Switches
shall be complete with insulated base, and pressure or solderless
slugs. Handles shall be front operated. All switches shall be
horsepower rated, capable of breaking stalled-rotor motor current at
these ratings. Switches shall have provision for padlocking in the
"on" or "off" positions. Provide fusible safety switches where
indicated. Fuse clips shall be positive pressure rejector-type fuse
clips suitable for use with UL Class R fuses.
6.02
Provide safety switches with number of switched poles as
indicated. Where a neutral is present in the circuit, provide a solid
neutral with the safety switch.
REQ. 047334
16100-4
Addendum No. 2
7.
6.03
All safety switches installed in indoor locations shall be NEMA 1
general purpose enclosures unless otherwise shown.
6.04
All safety switches installed in exterior locations shall be NEMA 3R
(water resistant) unless otherwise shown.
FUSES:
7.01
Provide one complete set of fuses together with 10% spares, but
not less than 3 per rating.
600 AMPS or Less
Buss
Grould-Shawmut
480V
208V
LPS-RK1-SP
LPN-RK1-SP
AMP-Trap 2000 RK1 AMP-Trap 2000 RK1
601 AMPS or Greater
Buss
Gould-Shawmut
480V
KRP-C-SP
AMP-Trap 2000-L
208V
KPR-C-SP
AMP-TRAP 2000-L
PART 3 - EXECUTION
8.
FOUNDATIONS AND SUPPORTS:
8.01
Provide concrete, pedestals, bases, pads, curbs, anchor blocks,
anchor bolts, slab inserts, hangers, channels, cradles, saddles, etc.
for installation of equipment and apparatus shown on the Drawings
and specified in this section and other related sections.
8.02
When electrical control equipment location is shown adjacent to
mechanical equipment, provide free standing galvanized steel
structure for mounting. Provide galvanized steel structure attached
to building structure when building wall does not provide adequate
structural support.
8.03
Individual hangers, trapeze hangers and riser clamps shall be
provided for supporting conduit, and all parts and hardware shall be
zinc coated. Supports for conduit shall consist of malleable iron
conduit clamps of an approved type, conduit hangers, pipe hangers
designed for attachment to steel beams, steel angle trapeze with
threaded rod hangers, or wall brackets, as required to suit special
conditions.
8.04
Pipe straps and hanger rods shall be fastened to concrete by
REQ. 047334
16100-5
Addendum No. 2
means of inserts or expansion bolts, to brickwork by means of
expansion bolts, and to hollow masonry by means of toggle bolts.
Wooden plugs and shields shall not be used for fastening pipe
strips and hangers.
8.05
9.
Vertical runs of conduit shall be supported at intervals not
exceeding 14-ft.
METHOD OF WIRING:
9.01
Conduit: Complete raceways or enclosures shall be provided for
conductors throughout all systems specified. Equipment and
devices purchased by the Contractor which are not constructed
with housings for mounting and enclosing all live parts, shall be
installed in metal cabinets. All equipment, enclosures, raceways,
etc., shall be appropriate for the atmospheres and hazards
encountered within their associated areas.
9.02
All conduit run exposed to weather and/or in wet or damp locations,
shall be rigid threaded heavy wall steel conduit.
9.03
All exterior conduit run underground shall be rigid threaded heavy
wall steel or PVC Schedule 40. All underground conduit shall be
encased in concrete envelope of 3" minimum thickness on all sides.
9.04
Where PVC conduit is used, contractor shall provide separate
ground wire(s) sized in accordance with Article 250-94 or 250-95 of
the N.E.C.
9.05
Conduit shall be installed at least 12" from steam or hot water
piping in parallel runs, at least 6” in cross-runs and at least 3" from
cold water piping.
9.06
Conduit shall be installed so as to provide drainage. It shall be
incumbent upon the Contractor to exercise the necessary
precautions to install conduits as far as it is possible to prevent the
accumulation of water. All conduits shall be thoroughly cleaned
and swabbed out before any wires or cables are drawn in.
9.07
A #14 galvanized iron or nylon fish wire shall be left in every rigid
conduit or metallic tubing which is left empty by the Contractor.
9.08
Conduit to motors shall terminate in the conduit fittings on the
motors, the final connection being made with flexible conduit (liquid
REQ. 047334
16100-6
Addendum No. 2
tight if outdoors) and suitable connectors.
9.09
Each underground joint shall be sealed and made watertight.
9.10
Where building construction or other conditions make it impossible
to use standard threaded couplings, approved watertight unions
shall be installed.
9.11
Provide approved expansion fittings where conduit or tubing
crosses expansion joints.
9.12
All exposed conduit runs shall be rigidly supported or secured in
place by means of approved hangers suited to the conditions under
which they are used.
9.13
All conduits shall be secured to pull boxes, junction boxes or
cabinets by placing approved locknuts on outside of box and
locknuts and bushings on the inside of box.
9.14
Conduit shall be reamed after threads are cut. Ends shall be cut
square and shall butt solidly into couplings. Conduits shall be
temporarily plugged to exclude foreign material. Connection to
boxes shall be made with locknuts and bushings.
9.15
Conduit terminals, 1-1/4" and larger shall be equipped with
approved insulating bushings.
9.16
Where final connection to equipment with rigid conduit is not
practicable, such as to equipment with adjustable mountings, to
eliminate transmission of vibration, etc., flexible conduit shall be
used.
9.17
Contractor shall coordinate the work with all trades in determining
the exact location of all conduits.
9.18
Right angle turns shall consist of constant circular arcs unless
otherwise specified on the Drawings. Bends and offsets shall be
avoided wherever possible. Field bends shall be made so as not to
damage its protective coating either outside or inside. Bends shall
be free from kinks, indentions or flattened surfaces, and shall be
made with approved conduit bending machines or devices.
Individual bends shall not exceed 90 deg. and not more than 270
deg. total bends will be allowed in any one conduit run. Where
more bends are necessary, a suitable pull box or junction box shall
be installed.
9.19
If conduit runs from point to point exceed 150-ft. in length or exceed
REQ. 047334
16100-7
Addendum No. 2
total bend limitations, provide pull boxes in locations accessible at
all times.
9.20
Provide pipe sleeves for all electrical conduit passing through walls,
partitions, floors, etc. The sleeves shall be of sufficient length to
extend through the full thickness of the construction, with ends flush
with the finish on each side, unless noted otherwise.
9.21
Wire and Cable:
9.22
REQ. 047334
A.
General: Install electrical cable, wire, and connectors as
shown, in accordance with the manufacturer's written
instructions, the applicable requirements of NEC, the
NECA's "Standard of Installation", and recognized industry
practices to ensure that products serve the intended
functions.
B.
All wire and cable shall be delivered to the job in complete
coils or reels with the manufacturer's name and approved
tag attached thereto, indicating wire size and type of
insulation and with the National Fire Protection Association's
approval.
C.
All wiring shall be provided as required to complete the
installation, and shall be connected to existing motor control
center.
D.
Coordination: Coordinate cable and wire installation work
with electrical raceway and equipment installation work, as
necessary for proper interface.
600 Volt Building Wire and Cable:
A.
Pull all conductors together when more than one is being
installed in a raceway. Whenever possible, pull all
conductors into their respective conduits by hand. Use
pulling compound or lubricant when necessary; compound
shall not deteriorate conductor or insulation.
B.
Before any wire or cable is pulled into any conduit,
thoroughly swab the conduit to remove all foreign material
and to permit the wire to be pulled into a clean, dry conduit.
C.
Run all feeders their entire length in continuous section
without joints or splices.
16100-8
Addendum No. 2
D.
Support all conductors in vertical raceways, as specified in
Section 300-19 of the NEC.
E.
Do not permit conductors entering or leaving a junction or
pull box to deflect so as to cause pressure on the conductor
insulation.
F.
Make all splices and connections in control circuit conductors
using UL approved solderless crimp connectors.
G.
Make all grounding connections using ground clamps,
connectors, or exothermic welds of a type suitable and UL
approved for duty involved.
H.
Powdered soap stone or other commercially produced wire
lubricant may be utilized to ease wire pulling; however, any
such lubricant shall be of a type to produce no deteriorating
effect on conductor insulation or on the interior of associated
wireway.
I.
All secondary distribution feeders and branch circuit wiring
#8 and smaller shall be factory color-coded in accordance
with the following:
Phase A
Phase B
Phase C
Neutral
Ground
REQ. 047334
120/208 Volt
277/480 Volt
Black
Red
Blue
White or Grey
Green
Brown
Yellow
Orange
White or Grey
Green
J.
#6 and larger conductors may utilize 1" banks of appropriate
colored tape. Control Wiring: All colors, except neutral wires
shall be white or grey and ground wires shall be green.
K.
Where conductors of same insulation characteristics carry
unlike voltages and are installed in or pass through a
common enclosure, such conductors shall be properly
identified.
L.
Where conductors are installed in or pass through a
common enclosure, they shall be tagged to indicate clearly
their circuit number, associated panel and destination. Tags
shall be metal or fiber as hereinafter specified.
M.
All control wiring shall be tagged at each termination point
16100-9
Addendum No. 2
with a unique identification description used consistently
throughout the wiring system. Tags shall be as
manufactured by the Brady Company or approved equal.
9.23
10.
N.
Conductors used for the delivery of power to equipment at
any voltage level and type shall not be installed in conduits
carrying conductors used for any other purpose.
O.
Conductors used for the transmission of data in a digital form
shall be installed in conduit separate from all other
conductors.
P.
Conductors used for the transmission of analog signals shall
be installed in conduit separate from all other conductors.
Q.
Conductors operating at a voltage of 120VAC and above
shall not be installed in the same conduit as conductors
operating at below 120VAC or DC.
R.
Conductors of different systems shall not be mixed in the
same conduit.
S.
In all cases, the requirements of the national electric code
regarding voltage level of conductor insulation and their
installation in conduits shall be adhered to.
Connectors for Building Wire and Cable: Provide factory
fabricated, metal connectors of the size, rating, material, type,
and class required for each use.
A.
After a splice is securely "made-up", insulate entire assembly
with UL approved insulating tape to a value equivalent to the
adjacent insulation.
B.
No tape or splice shall be made in any conductor except in
outlet boxes, pull boxes, junction boxes, splice boxes, or
other accessible locations. Make all taps and splices by the
use of an approved type compression connector. Insulate all
taps and splices equal to that of the adjoining wire. Make
splices or taps only on such conductors as are of a
component part of a single circuit, properly protected by
approved methods.
INSTALLATION OF BOXES AND FITTINGS:
REQ. 047334
16100-10
Addendum No. 2
10.01
Install electrical boxes and fittings as shown, in compliance with
NEC requirements, or in accordance with the manufacturer's written
instructions and with recognized industry practices to ensure that
the boxes and fittings serve the intended purposes.
10.02
Where indicated in the Drawings and Specifications or where
necessary for compliance with manufacturer's recommendations
and/or code requirements for cable installation, provide junction
and pull boxes of the proper sizes.
11.
10.03
Provide junction and pull boxes for feeders and branch circuits
where shown and where required by the NEC, regardless of
whether boxes are shown or not.
10.04
Provide weatherproof boxes for interior and exterior locations
exposed to weather or moisture.
10.05
Locate boxes and conduit bodies so as to ensure accessibility of
electrical wiring.
IDENTIFICATION OF EQUIPMENT:
11.01
Provide neatly etched phenolic nameplates of colors described
hereinafter, for identifying the following electrical apparatus and
associated controlled equipment. Plates shall be bolted to
respective equipment.
A.
12.
All disconnect switches.
11.02
All other items shall have nameplate on the outside of the cover
which states in ¼” lettering the items name.
11.03
When disconnects are installed that are remote from or isolated
from their source of power by walls, floors and obstructions, they
shall also be labeled on the cover with their source of power, giving
supply panel and circuit numbers.
PHASE SEQUENCE:
12.01
All feeders & safety switches shall be completely and consistently
phased out as follows:
A.
REQ. 047334
Phase sequence shall be A-B-C, from left to right, top to
bottom and front to rear, when facing equipment.
16100-11
Addendum No. 2
13.
PAINTING:
All shop-fabricated and factory-built equipment not galvanized or protected by
plating, shall be cleaned and given one ship coat of red lead or zinc-chromate
primer, before delivery to the site. Any portions of the shop coat damaged in
delivery or during construction shall be recoated. Do not paint nameplates,
labels, tags, stainless steel or chromium-plated items such as motor shafts,
levers, handles, trim strips, etc.
14.
GROUNDING:
14.01
Install grounding connections as shown and specified, in
accordance with applicable portions of the NECA's "Standard of
Installation", and recognized industry practices to ensure that
products serve the intended functions.
14.02
The system neutral shall be grounded to the grounding electrode
system at the service entrance only, and shall be kept isolated from
the building grounding system throughout the building. The neutral
of separately derived systems shall be grounded at one point as
specified hereinbelow.
REQ. 047334
A.
Continuity of the building equipment grounding system shall
be maintained throughout the project.
B.
All main grounding conductors shall be stranded copper
conductors, sized as shown, and run in a suitable raceway.
All main grounding conductors shall be continuous without
joints or splices over their entire length.
C.
Grounding of all motors or equipment connected to terminal
box with flexible conduit shall be made with separate
grounding conductor between motor frame or equipment
cabinet and rigid conduit system. Grounding conductor shall
be sized in accordance with table 250-95 of the NEC.
D.
Connections shall be made with solderless pressure type
connectors; and connectors shall be bolted or clamped to
equipment and conduits.
E.
All grounding conductors shall be amply protected from
mechanical injury and shall be supported in an approved
manner.
F.
Grounding conductors shall be not smaller than #12 AWG.
16100-12
Addendum No. 2
Conductors shall be high conductivity copper, and sizes
larger than #10 shall be stranded, except as hereinbefore
specified.
G.
15.
16.
Grounding type insulated bushings shall be installed on all
raceways at motor control center.
INSTALLATION OF SAFETY AND DISCONNECT SWITCHES:
15.01
Install safety and disconnect switches where shown, in accordance
with the manufacturer's written instructions, the applicable
requirements of the NEC, the NECA's "Standard of Installation",
and recognized industry practices to ensure that products serve the
intended function.
15.02
Provide safety switches where shown and at each motor which is
out of sight of, or greater than 50 ft. from, the switch or panel from
which the motor circuit is fed.
15.03
Provide all safety and disconnect switches with galvanized angle or
other suitable supports where mounting on wall or other rigid
surface is impractical. Switches shall not be supported by conduit
alone. Where safety and disconnect switches are mounted on
equipment served, the switch shall not inhibit removal of any
service panels or interfere with any required access areas.
15.04
Install disconnect switches used with motor-driven appliances,
motors, and controllers within sight of the controller position unless
otherwise indicated.
15.05
Coordinate safety and disconnect switch installation work with
electrical raceway and cable work as necessary for proper
interface.
15.06
Install fuses in fuse holders immediately prior to energization of the
circuit in which the fuses are installed. Fuses shall not be installed
and shipped with equipment.
15.07
Place fuse identification labels, showing fuse size and type
installed, inside the cover of each switch.
MOTORS
16.01
Motor Installation and Connections:
A.
REQ. 047334
Motors associated with equipment furnished under other
sections of the Specifications will be furnished and installed
16100-13
Addendum No. 2
under the respective section. For such motors, the
responsibility under the Electrical Section shall be to provide
electrical service and to terminate same adjacent to the
associated controller. This termination shall occur as shown
and noted on Drawings. Electrical service shall also be
extended through the associated controller to the motor
connector box in flexible conduit.
17.
TESTING
17.01
18.
19.
Wire and Cable:
A.
Pre-Energization Check: Prior to energization, check cable
and wire for continuity of circuitry and for short circuits.
Correct malfunction when detected.
B.
Feeder Insulation Resistance Test: Each main 600 volt
feeder conductor shall have its insulation resistance tested
after the installation is complete except for connection at its
source and point of termination.
C.
Tests shall be made using a Biddle Megger or equivalent
test instrument at a voltage of not less than 1000 VDC at
480v and 500VDC at 208V. Resistance shall be measured
from conductor to conductor and from conductor to ground.
Insulation resistance shall not be less than the 1000K
OHMS.
D.
Conductors which do not meet or exceed the insulation
resistance values listed above shall be removed, replaced,
and retested.
E.
Voltage and Current Values Test: The voltage and current in
each main feeder conductors shall be measured and
recorded after all connections have been made and the
feeder is under load.
SWITCHES AND MOTOR STARTERS
18.01
Pre-Energization Check: Check motor starters for continuity of
circuits and for short circuits.
18.02
Post Hook-Up Test: Subsequent to wire and cable hook-ups,
energize motor starter and demonstrate satisfactory functioning.
MEASUREMENT AND PAYMENT
REQ. 047334
16100-14
Addendum No. 2
There will be no separate measurement for payment for relocation of electrical
service for motor control panel.
There will be no separate measurement for payment for relocation of telephone
service.
Payment for relocation of electrical service for motor control panel (including
conduit, cables, wires, boxes, hardware, etc.) shall be paid at the lump sum
contract price bid for “Item No. 4 – Relocation of Electrical Service for Motor
Control Panel,” which price shall be full compensation for all labor, material,
equipment and all other miscellaneous items and incidental work as shown on
the drawings and as specified herein. (Base Bid)
Payment for removal, legal disposal of and relocation of telephone service
(including conduit, wiring, boxes, hardware, etc.) shall be paid at the lump sum
contract price bid for “Item No. 4A – Relocation of Telephone Service,” which
price shall be full compensation for all labor, material, equipment and all other
miscellaneous items and incidental work as shown on the drawings and as
specified herein. (Base Bid)
Payment for electrical work (including conduit, cables, wires, boxes, hardware,
etc.) associated with raising the pump motors shall be included in the contract
price bid per each for “Item No. 5 – Raise Pump Motor and Electric Feeder.”
(Alternate 1)
REQ. 047334
16100-15
Addendum No. 2
BOARD OF COMMISSIONERS OF THE PORT OF NEW ORLEANS
NOTE TO PERSPECTIVE BIDDERS
CONTRACT FOR
FRANCE ROAD TERMINAL
PUMP STATION NO.6 REPAIRS
DAMAGE BY HURRICANE KATRINA
WORK ORDER # 2-530 - PW # PNOD001
REQ. NO. REQ 047334
November 19, 2007
FOR BIDS DUE ON NOVEMBER 29, 2007
AT 2:00 P.M.
Dear Sirs:
Please note the following:
ADDENDUM NO. 1
SEPECIFICATIONS
Item No. 1
The Bid Opening for the project is hereby rescheduled to Thursday, December
6, 2007 at 2:00 p.m. local time. Invitation to Bid, page IV-a, 1st paragraph, delete
“November 29, 2007” and replace with “December 6, 2007.”
Req. 047334
Page 1 of 2
Addendum No. 1
ACKNOWLEDGMENT
This notice of Addendum No. 1 is sent to you in duplicate. Upon receipt, please sign
and include one copy with your bid; and sign the other copy and return promptly by mail
or facsimile to the Port of New Orleans, FAX: (504) 528-3445.
Very truly yours,
Ms. Deborah Keller, P.E.
Director, Port Development
Board of Commissioners of
the Port of New Orleans
New Orleans, Louisiana
NOTICE ACKNOWLEDGED
______________________________
(Prospective Bidder)
By: ___________________________
Date: __________________________
Req. 047334
Page 2 of 2
Addendum No. 1