SAMPLE PROJECT - ELECTRICAL EQUIPMENT
Transformer.
Vendor
Contractual
Comment.
Comment.
Complied in PO document.
--
--
--
Electrical Components, Devices, and Accessories:
Listed and labeled as defined in NFPA 70, Article 100,
Complied in PO document.
by a testing agency acceptable to authorities having
jurisdiction, and marked for intended use.
--
--
--
Standard units are UL listed
and are designed in
accoradnce with ANSI
NEMA(ST 20) and IEEE
standards.
Complied.
--
Contract Documents
PO Documents
PART 1 - GENERAL
1.2 Summary
A.1 Distribution transformers.
1.4 Quality Assurance
A
B
Comply with IEEE C 57.12.91.
Complied in PO document.
C
Energy-Efficient Transformers Rated 15 kVA and
Larger: Certified as meeting NEMA TP1, Class 1
efficiency levels when tested according to NEMA TP
2.
Complied in PO document. Referenced in Energy efficiency NEMA
PO document : TP1 design.
TP 1 -2002.
Complied.
--
Complied in PO document. Referenced in
Siemens Energy &
PO document : Siemens Energy &
Automation, Inc
Automation, Inc.
Complied.
--
Complied.
--
PART 2 - PRODUCT
2.1 Manufacturers.
Such as: Cutler-Hammer, GE Electrical Distribution
& Control., MagneTek., Siemens Energy &
Automation, Inc., Square D/Groupe Schneider.
2.2 Materials.
Factory-assembled and A Description
tested, air-cooled units for
60-Hz service.
Complied in PO document.
Page 1 of 3
NEMA class ANN Dry type
Transformer. 60 Hz.
Sample Submittal Review_Transformer_Exhaustive_NW_V1_8-31-07.xls
SAMPLE PROJECT - ELECTRICAL EQUIPMENT
Transformer.
Contract Documents
B
Cores
C
Coils
1
Internal Coil
Connections
2 Coil Material
Grain-oriented, non-aging
silicon steel.
Continuous windings
without splices, except for
taps.
PO Documents
Vendor
Contractual
Comment.
Comment.
Complied.
--
Complied in PO document.
High quality non aging
electrical grade core steel.
Complied in PO document.
Not indicated.
Not
Referenced.
--
Brazed or pressure type.
Complied in PO document.
Not indicated.
Not
Referenced.
--
Copper.
Complied in PO document. Referenced in
Copper.
PO: Copper.
Complied.
--
Complied.
--
Complied.
Not
Complied.
--
2.3 Distribution transformers.
A
Comply with NEMA ST 20, and list and label as
complying with UL 1561.
Complied in PO document.
B
Cores
Complied in PO document.
Standard units are UL listed
and are designed in
accoradnce with ANSI
NEMA(ST 20) and IEEE
standards.
One conductor per phase.
C
Enclosure
Complied in PO document.
NEMA 1.
D
Indoor Transformer
Enclosure Finish
Complied in PO document.
Not indicated.
Not
Referenced.
--
Complied in PO document.
ANSI 61 Grey.
Complied.
--
Complied.
--
1 Finish Color
E
One leg per phase.
Ventilated, NEMA 250,
Type 2.
Comply with NEMA 250
for "Indoor Corrosion
Protection."
Gray.
Insulation Class
220 deg C, UL-component-recognized insulation
system with a maximum of 115 deg C rise above 40
deg C ambient temperature.
Complied in PO document. Referenced in
PO document : Temperature rise of
220°C temp Class, 115°C.
115°C.
Page 2 of 3
--
Sample Submittal Review_Transformer_Exhaustive_NW_V1_8-31-07.xls
SAMPLE PROJECT - ELECTRICAL EQUIPMENT
Transformer.
Contract Documents
F
G
H
Taps for Transformers
25 kVA and Larger
Manufacturer's standard
brackets.
Sound-Level Requirements
Maximum sound levels, when factory tested
according to IEEE C57.12.91, as follows.
2 30 to 50kVA
50 db
3 51 to 150 kVA
50 db
2.4 Source Quality Control.
Test and inspect transformers according to IEEE
A
C57.12.91.
B
Comment.
2.5% 2FCAN, 4FCBN.
Complied.
--
Provided.
Complied.
--
Complied.
--
Complied.
Complied.
---
Vendor
Two 2.5 percent taps above
and four 2.5 percent taps
Complied in PO document.
below normal full capacity.
Wall Brackets
Contractual
Comment.
PO Documents
Complied in PO document.
Standard units are UL listed
and are designed in
accoradnce with ANSI
NEMA(ST 20) and IEEE
standards.
45dB.
50dB.
Complied in PO document.
Complied in PO document.
Complied in PO document.
Deviation in PO document: Testing on
similar transformer.
Not indicated.
Not
Referenced.
--
Factory Sound-Level Tests: Conduct sound-level tests Deviation in PO document: Testing on
on equipment for this Project.
similar transformer.
Not indicated.
Not
Referenced.
--
Page 3 of 3
Sample Submittal Review_Transformer_Exhaustive_NW_V1_8-31-07.xls