PG&E Record Specification
Specific Requirements
Page 1
PG&E RECORD SPECIFICATION
SPECIFIC REQUIREMENTS FOR METALCLAD SWITCHGEAR
SUPPLEMENTAL REQUIREMENTS TO SPECIFICATION 3555
For OUTDOOR SWITCHGEAR BID
Date:
Prepared by:
1.1.LOCATION: Outdoor Substation
1.2.AUTHORIZATION:
1.3.QUANTITY REQUIRED: One (1) Switchgear Lineup for bid purposes only. Provide two (2) bids: one for 12kV and one for 21kVper following description and attached drawings. Bidder shall include in their bid the cost of purchasing and installing all equipment listed in the attached Bill of Materials (drawings 070924 & 070925), whether or not “purchased by swgr mfr” is listed. Do not include main power transformer in your bids.
1.4.DATE REQUIRED ON SITE:
JOB SITE
2.1.Shipping Destination:
Fremont, CA
2.2.Altitude, if above 3,300 feet: No
2.3.Other special site requirements: None
(e.g., corrosive conditions other than salt spray)
QUOTATIONS: Submit a separate price for each item
3.1.Switchgear assembly as specified, turnkey delivery at PG&E’s job site (see spec.3555, section 13, assembly & shipment).
ENCLOSURE
4.1.Type: Outdoor, protected aisle, two-high
(Specify: Indoor, Outdoor non walk-in, or Outdoor protected aisle. Also: single-high, or two-high)
4.2.Exterior paint color: ANSI 70 gray
(Options: ANSI 70 gray, other)
4.3.Equipment Area: Required
(Required/None)
ELECTRICAL
5.1.Operating voltage: Provide bids for: 12,470 Volts and 21,600 Volts
(Options: 12,470 Volts, 21,600 Volts, other)
5.2.Rated Maximum voltage: 15kV and 27 kV
(Options: 15kV, 27kV, other)
5.3.Main bus rating, A: 2000 A
(Options: 2000A, 3000A, other)
5.4.Interrupting rating: 500 MVA (25kA) for 12,470V and 750 MVA (20KA) for 21,600V
(Options: 500MVA, other)
5.5.Single Line and Single Line Meter & Relay Diagrams for Switchgear # 2: See dwgs. 4026466, and 4042986.
5.6.Main bus switching arrangement: Double bus double breaker arrangement
(options: Single bus w/ maint breaker, other)
5.7.Removable main bus links: None
(Required, none)
FEEDER POSITIONS
6.1.Number of active feeder positions: Three (3) in one building. See indoor arrangement drawing 4043012.
6.2.Total number of feeder positions: Four (4)
6.3.Feeder breaker rating: 1200 A
(Options: 1200A, other)
6.4.CT's:
6.4.1Bus side: 1200/5 MR C200 two per phase
6.4.2 Line side: none
(Options: 1200:5 multi ratio, other, none)
6.5.Feeder entrance: Underground
(Options: underground, roof bushings)
6.6.Breaker Trip and Close Voltage, VDC: 125VDC
(Options: 125 VDC, 48 VDC)
6.7.Breaker Charging Motor Voltage: 120/240 VAC, 1ph
(Options: 120/240 1ph, 120/208 3 ph, 125 or 48VDC)
BANK (INCOMING) POSITION
7.1.Bank (Incoming)/Bus TieBreaker Rating: Two (2) breakers rated 2000A (see breakers 52-GH and –HJ on single line diagram).
(Options: 2000/ 2500 A, 3000/ 3500 A, None)
7.2.CT's:
7.2.1 Bus side: Three – 2000/5 MR C200
7.2.2Line side: Three - 2000/5 MR C200
(Quantity and ratio - options: 2000:5, 3000:5, 4000:5, 6000:5 multi ratio, other, none)
7.3.Bank (incoming) bus entrance: Roof Bushings
(Options: underground, roof bushings)
7.4.Bank (incoming) bus entrance phase arrangement: A-C-B
(Options: A-C-B or B-C-A, r. to l. or l. to r. when viewed from circuit breaker side of switchgear)
BUS TIE POSITION
8.1.Bus-tie Breaker Rating: One (1) breaker rated 2000A (see breaker 52-JK on single line diagram).
(Options: 2000 A, 3000 A, None; specify if active or future)
8.2.CT's:
8.2.1 2000/5 MR C200 both sides
8.2.2
(Options: 2000:5. 3000:5, other, none)
8.3.Bus tie entrance: Underground
(Options: underground, roof bushings, bus duct)
CONNECTIONS TO EXISTING EQUIPMENT
9.1.Assembly is addition to existing switchgear (Yes/No): No
9.2.Main power bus connection:
(Options: adjacent cell, bus duct, other)
9.3.Arrangement drawing for addition: N/A
(PG&E arrangement of existing swgr and addition)
9.4.Reference drawing for bus connection details: N/A
(Manufacturer's drawing no.)
AC STATION SERVICE SYSTEM
10.1.AC system voltage: 120/240 1ph
(Options: 120/240 1ph, 120/208 3 ph)
10.2.Station service transformer (CPT): 50 KVA
(Options: 15kVA, other, None)
10.3.AC distribution panel: Required – Refer to dwg 4042979 and 070924 for requirements
(Required - dwg #, None)
10.4. Station Service Manual Transfer Switch: Required
DC SYSTEM
11.1.System voltage: 125VDC
11.2.DC distribution panel: Required – Refer to dwg 4042979 and 070924 for requirements
(Required - dwg #, None)
11.3.Battery size, A-hr: None
11.4.Battery charger, A: None
ACCESSORIES AND AUXILIARY EQUPMENT
Spare removable breakers: One (1) 1200 A CC, and (1) 2000 A CC
(Quantity and continuous current)
12.2.Breaker lifting device: Required
(Required, None)
12.3.Alarm panel: 48alarm points
(Options: no. of points, None)
12.4SCADA required: Required for all active feeders, bank breakers and main transformer.
(Options: all active feeders, all active positions, other, None)
12.5 Air Conditioning system: Required – Refer to dwg 070924
DRAWINGS (EXAMPLE of design drawings typically provided by PG&E)
13.1.General Arrangement:
13.2.Bill of Materials:
13.3.Arrangement of Switchboard Equip:
13.4.Single Line Diagram:
13.5.Single Line Meter and Relay:
13.6.1. Swgr AC & DC Circuits:
13.6.2. SCADA elementaries:
13.6.3. Annunciator(s) elementaries:
13.7.Schematic Station Service:
13.8.Single Line Station Service:
13.9.SCADA cabling diagram:
14.0.Comm. Processors
CORRESPONDENCE CONTACT LIST