HomeMy WebLinkAboutAgenda Report - October 16, 2002 E-05�<iFORa
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AGENDA TITLE: Approve specifications and authorize advertisement for bids for
20,000 feet of #1/0 600 -volt underground triplex (EUD)
MEETING DATE: October 16, 2002
PREPARED BY: Electric Utility Director
RECOMMENDED ACTION: That the City Council approve the specifications and authorize
advertisement for bids for 20,000 feet of #1/0 underground triplex
conductor for the Electric Utility Department.
BACKGROUND INFORMATION: This 600 -volt triplex is being sourced in preparation for projected
needs in 2003. With an expected 10-12 week leadtime, an order
placed in early December would be delivered in late February or
early March, 2003, for work orders expected to be issued in early
Spring.
Some of the residential developments which will require #1/0 triplex are Arcadia Place, Tienda Place,
Century Meadows 3 Units 4 and 5, Century Meadows 4 Units 1 and 2, Woodhaven Park Unit 3, and
Almondwood Place. The balance of the order will be placed into inventory for additional service
connections expected during 2003.
FUNDING:
Electric Utility Department Operating Fund,
2001-2003 Financial Plan and Budget.
Estimated Cost: $14,000
BID OPENING: November 11, 2002
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Alan N. Vallow, Electric Utility Director
Prepared by Joel Harris, Purchasing Officer
cc: Manager, Engineering and Operations
APPROVED:
Dixo Flynn -- City
City of Lodi
Equipment Specifications
600 -VOLT XLPE TRIPLEX CABLE
1.0 GENERAL
Cable furnished under these specifications shall be limited to cross-linked polyethylene insulated
cable rated 600 volts and suitable for installation in ducts or for direct burial in earth, in wet or
dry locations, with normal conductor temperatures up to 90 degrees C. Cables furnished shall
meet the requirements of the applicable NEMA, ICEA, AEIC, and ASTM standards, latest
edition thereof, unless otherwise noted in this specification.
2.0 CONDUCTOR
The conductor shall be aluminum alloy, EC Grade, '/z to 3/4 hard, Class B stranding.
3.0 INSULATION
Phase conductor insulation shall be single -pass, black, cross-linked polyethylene. The neutral
conductor shall have yellow XLPE insulation or black XLPE insulation with yellow extruded
stripes.
4.0 ASSEMBLY
The assembled cable shall consist of phase and neutral conductors twisted together with a lay not
less than 50 nor more than 60 times the outside diameter of one of the phase conductors. All
cable ends shall be sealed to prevent the entrance of moisture.
5.0 IDENTIFICATION
Each conductor shall have a permanent marking showing the manufacturer's name, voltage
rating, conductor size and type of insulation. Additionally, one leg of the triplex shall be marked
with sequential footage marks at least every two feet.
6.0 TESTING AND GUARANTEE
Testing of cable shall be performed according to procedures set forth by the ICEA, AEIC and
ASTM. Certified copies of Pass/Fail test results shall be supplied to the City at the time of
shipment. Any cable found defective either upon inspection, testing or installation will be
returned at the manufacturer's expense.
7.0 SPECIFIC REQUIREMENTS
Any conditional bids such as "Subject to Availability in Stock" will be rejected as non-
responsive.
8.0 SHIPPING
Cable ends shall be adequately sealed with a water -seal type material and plastic end caps
secured to prevent the penetration of moisture. There shall be no water in the stranded conductor
of the cable when reel is shipped. All shipments shall be prepaid, FOB delivered to the City of
Lodi, Lodi, CA. Reels shall be shipped upright.
4.1 Rev. 4/10/90
9.0 REELS
9.1 MAKEUP
The specified conductor shall be supplied on NEMA standard reels and in accordance with
Table 1 as shown below.
TABLE 1
CONDUCTOR SIZE
PHASE NEUTRAL
CODE WORD MATERIAL
NEMA STANDARD
REEL CODE NO.
#2 #2 AWG
Ramapo / YES Aluminum
3624
#1/0 #1/0 AWG
Bergen / YES Aluminum
3624
350kcmil #4/0
Wesleyan / YES Aluminum
5432 or 7236
9.2 PACKAGING
Each reel shall have adequate protective covering across the flanges, such covering to consist
of wood members from flange to flange covering the entire circumference of the reel
(lagging). The lagging shall be nailed to the flange perimeters and shall be further secured
with at least two steel bands around the reel. Each end of the cable shall be firmly secured to
the reel.
9.3 MARKING
Each reel shall be marked with a durable label securely attached to a flange of the reel and
plainly marked stating the destination, the purchaser's order number, the shipping length of
cable on reel, type and size of conductors, insulation type and thickness, voltage rating and
manufacturer's identification number, and tare weight of the reel.
4.2 Rev. 4/10190