RFP: Installation and Removal of Motor Control Center for Storm Water Pump Station

Motor Control RFQ Questions

. Question: Appendix "A" references a load list for the MCC; please
provide the referenced load list for review.
Answer: Load Specifications listed on documentation attachment.

. Question: Please provide any additional information or documentation
pertinent to the LV MCC and the associated controls.
Answer: The information is located inside the Pump control Telemetry
panel documentation attachment.

. Question: Please provide all available documentation and drawings for
the existing Cutler-Hammer Motor Control Center for reference.
Answer: Documentation available on the attachment.

. Question: Please confirm the maximum allowable duration of the MCC
shutdown, identify any restrictions on shutdown timing (after hours or
weekends), and advise if a defined shutdown sequence will be
required.

Answer: Work can be performed during normal work hours. Please
provide Birmingham Authority with your professional expertise on the
project time duration.

. Question: Please confirm whether the L V MCC needs to communicate
with the Watchdog Control System, and if so, provide details on the
communication method.

Answer: Information located in Pump control Telemetry panel
attachment and MCC attachment.

. Question: Please provide all available documentation and drawings for
the Watchdog Control System for reference.
Answer: Information we have attached

7. Question: Please confirm whether the existing pump motors can be
disconnected for conductor testing and clarify responsibilities should
any existing motor feeders fail during testing.

Answer: Pump Motors can be disconnected.

Responsibility of a normal conductor test failure will be no fault of the
contractor.

8. Question: Please provide all available motor nameplate information for
the pump motors for reference.
Answer: No Motor Plate information but motors are 300hp 360amp

9. Question: Please provide details on the existing pump breaker wiring
orientations, including pump feeder exit locations and whether load-
side conductors exit from the wire trough or from the top or bottom of
the breakers.

Answer: Information listed on the MCC documentation attachment.

10. Question: Please confirm whether the existing 1600 Amp MCC main
breaker is configured as top-fed or bottom-fed.
Answer: Bottom Feed

11. Question: What is the width, in inches, of the existing MCC? What is
the current height of the existing MCC?
Answer: Information listed on the MCC documentation attachment.

12. Question: Are the loads and feeders top-fed, bottom-fed, ora
combination of both? Can we see a picture of the MCC with the doors
open, or schedule a follow-up visit to open the doors?

Answer: Main power feed is bottom fed. Please see MCC documentation

attachment.

13. Question: May we temporarily remove the chain link fence between
the road and the pumphouse to allow a forklift/telehandler to
rig/handle MCC removal and installation?

Answer: Yes, but must install a temp fence that can be locked for
security reasons.

14. Question: How much notice/lead-time will be required for outage

coordination?
Answer? Please provide Birmingham Authority with your professional

expertise.

15. Question: Once MCC is powered down for replacement, how much
time is permitted before stormwater pumps are operational again?
Answer: Please provide Birmingham Authority with your professional
expertise

16. Question: Is the electrical contractor responsible for temporary
power to any of the loads fed from the MCC? Yes
Answer:

17. Question: What are the pump specs that the MCC is feeding? What
are the starter specs within the MCC? What size is the main breaker?
Answer: Main Breaker 1600amp/ Motor disconnect feeder buckets

800amp and starters appear to be size 6
Pump are FLYGT ( Large Propeller) No information

1.) What is the width, in inches, of the existing MCC? What is the current
height of the existing MCC? Information listed MCC documents.

2.) Are the loads and feeders top-fed, bottom-fed, or a combination of
both? Can we see a picture of the MCC with the doors open, or schedule a

follow-up visit to open the doors?

Main power feed is bottom fed. Please see MCC documentation
attachment.

3.) May we temporarily remove the chain link fence between the road
and the pumphouse to allow a forklift/telehandler to rig/handle MCC
removal and installation? Yes, but must install a temp fence that can
be locked for security reasons.

4.) How much notice/lead-time will be required for outage coordination?

Coordination will need to be a 48-72 notice, but a meeting will need to be
held with owner prior to outage.

5.) Once MCC is powered down for replacement, how much time is
permitted before stormwater pumps are operational again? Please
provide Birmingham Authority with your professional expertise on the
project time duration.

6.) Is the electrical contractor responsible for temporary power to any of
the loads fed from the MCC? Yes

7.) What are the pump specs that the MCC is feeding? What are the starter
specs within the MCC? What size is the main breaker? Main Breaker
1600amp/ Motor disconnect feeder buckets 800amp and starters appear
to be size 6

Pump are FLYGT ( Large Propeller) No information

'CUTLER-uaer
FREEDOM 2100
MOTOR CONTROL CENTER
General Order mniber: HBK9574 Feea: oot
customer = INDUSTRIAL ELEC SUPPLY
Location + BIRMINGHAN, AL
Project' ALRPGRT PUP STATION Purchase Order Naber:
wee Title - Hee . (0 custoner Approval af Final as Bulle
Drawing Description Drawing Nuber | Page Number | Rov
Waster Draying trdex : k9874-001 1 e
Enclosure Specifications en49874-001 2 x
Bus System Speci ications 15H69874-001| 3 3 x
ce Arrangesent Drawing : al 2 x
Nc Arrangement Oravire ree 3 x
'ce Arrangement Drawing v3 x
Unit Lieting ene9074-001 4 * x
unit Listing . BN49676-00t 5 2 | [x]
Unit Specifications and Featires i 49874-001 6 2 x
(| _sehenatierwiring oiagran 5590N85 x
Schesatic/Wicing ofagran we 2 x
'Schenatie/Wiring Diagram. wo-Pa 2 x
Schesat fe/viring Diagram | ps "Tx
_[__ Sehevatie/viring Ofagran woot 2 x
Panel Soard Arrangenent Drawing _ Pot 2 x
Floor Plan Brawing Fed 2 x
"Fligor Plan Drawing Fee 3 x
Floor Plan Orawing Fs x

> Denotes New or Revised Drawings.
X + Denotes Drawings Included in this Transmittal

Prepared By: Ron Wichaat

Drawing Index
'cutler-Heemer
Fayetteville, Worth Caroling 6.0.1 HBHASB7S

on [eve [owt a6

ENCLOSURE SPECIFICATIONS

Enclosure Type - NEMA 1 Indoor Gasketed
Depth = 21

Configuration - Front Mounted onty
Rorizontal Wireway - 9*Top-9"Botton

Paint Finish - ASI-6I-Exterior Unite-Interior ONE Coat(s) Exterior Paint Applied
Channel silts + WITHOUT END covERS

tee

Enclosures comply vith ULB45's "two meter rule" when the bottom of the NCC fs at the sage Level
'a6 the operator's platform.

APPLICABLE DESIGN STANDARDS ARD ELECTRICAL CODES:
NEC Article 430, Part H, Sections 92-98
EKA Standard 168 2-322
UL Standard ULBK5, File No, E4708

NAMEPLATE SPECIFICATIONS: MASTER NAMEPLATE: Line-1 HOC
vo Naster Nameplate Letter size - 7/8! Line-2
Master Nangplate Color - Black with Vite letters: Line-3
Noster Naneplete Located in Structure = 1 Line=&
Unit Nameplate Size = 1-X-2.5" Lines
Unit Nameplate Letter size ~'3/16" Line=6
Unit Karaplate Color ~ Black with White letters Line-?

8 Steel Self Tapping Serave

SPECIAL ENCLOSURE FEATURES:
LIGHTWING ARRESTOR/SURGE CAPACITOR (SYSPRO, MD-SP) LOCATED IN TOP
HORIZONTAL WIREWAY OF STRUCTURE 1.

wor Title: HOC ;
Drawing Description: Enclosure Specificatt

cutler-Hanmer
Fayetteville, North carolina 6.0.1 naws9a7s | ten: 001 | Rev | Sheet 2 of 6

evs J2 Jreviseo Fer [3 [revise FoR
RE-CA 160 NP
. 12/5/97 et "fe 18,

US SYSTEN SPECIFICATIONS

Worizontal Bus Rating ~ 1600 ANP

Norizontal Bus Material - Silver Plated Copper
Bus Gracing = 100K RNS Symetrical Withstand Rating
Bus Systen Maxisun Tenperature Rise ~ 50 Degrees C

Vertical Bus Ratings?
= NO VERTICAL BUS ~ Vert

L Section # 1-5
Vertical Sus ~ 600A Vert fi

1 Section # 6

Vertfeat sus Keterisl - Tin Plated Cocrer
Vertical sus Barrier - Rod Flat Glass Polyester

Ground Sus Rating - 600 Anperes
Ground Sus Material ~ Silver Plated Copper
'Ground Bus Location - TOP

Ground Terminal Size ~ 1-#6-350HcH

Ground Terminal Location ~ 1NC-LINE

Neutral Bus Rating = 1600 Agperes
Neutral Bus Material - Silver Plated Copper with heat shrink wrap insulation.
Neutral Bus Location = BOTTOR

Neutral Terminal size - 1-#5-350NcH

Neutral Terminal Location - INC-LINE

NAMEPLATE
WeHA9B74IT OOt FYE

1600 4
480Y SPH AW GOR. *
SECT. 1-5. NONE
Sect. 6 600A

Prepared By: on Wichael Wee Title: HEC

Drawing Description:

jus Systen Specific
Cutler-Hanmer

Fayette, sory eatin can war [Heme O01 [Rev

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