S02 UM20 MS3467.pdf
PDF 332 KB Posted
- Attached to
- C222--650-22-103 AE Replace Primary Substation Federal contract opportunity
- Solicitation number
- 36C24121R0157
About this file
This document is a special notice for qualifications regarding engineering design services for replacing an existing campus primary substation at a Department of Veterans Affairs medical center. The VA is seeking a firm fixed price contract for professional architect/engineer design services including complete drawings, specifications, cost estimates, and construction period administration. The construction value is over $10 million. This is a total small business set-aside for service-disabled veteran-owned small businesses. Responses are due by July 12, 2021 and will be evaluated based on professional qualifications, specialized experience, past performance, capacity, location, and experience in construction period services. The selected firm will be required to negotiate a fixed price rate proposal prior to award. The work includes replacing an existing campus primary substation at the VA Medical Center in Providence, Rhode Island.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| S02 PPQ Primary Substation 0001.pdf | ||
| 36C24121R0157 0001_1.docx | DOCX document | |
| S02 UM35 MS3476.pdf | ||
| 36C24121R0157.docx | DOCX document | |
| S02 UM30 MS3475.pdf | ||
| S02 PPQ Primary Substation.pdf | ||
| S02 650-22-103 SOW Replace Primary Substation.pdf | ||
| S02 NGrid Installation Specifications.pdf |
On GovTribe
Work with this file on GovTribe
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
DISTRIBUTION DOCUMENT
Material Specification
Doc. # MS3467
PRECAST CONCRETE MANHOLE
Switchgear Manhole Version 2.3 – 3/20
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained in Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
Sponsor:
J-P Knauss
INTRODUCTION
This specification covers the requirements for precast switchgear manhole with collars for switch installations.
REFERENCES
ASTM A-615
ASTM C-857, C-858
AASHO-H20-44
ASTM E 119
DOCUMENT CONTENTS
1. GENERAL 2
2. COMPLIANCE WITH STANDARDS AND CODES 2
3. MATERIAL 2
4. DRAWINGS 4
5. REVISION HISTORY 10
Doc. # MS3467
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained i Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
Sponsor:
1. GENERAL
1.1. This specification covers precast concrete manhole construction of switchgear manholes. There are several options for selecting the proper switchgear manhole to order. They are based on the application of the installation.
a) Collar “A” style all15kV S/G collar Item ID 1000199 Standard Item UM20A
b) Collar “B” style 23kV Livefront S/G collar Item ID 1000200 Standard Item UM20B
c) Collar “C” style Cooper Recloser form 6 Item ID 1000186 Standard Item UM20C and US34A switch
d) Collar “D” style PME-3 15kV class collar Item ID 1003608 Standard Item UM20D
e) Collar “E” style Hatchway door 5’x5’ Item ID 1000302 Standard Item UM20E
f) Collar “F” style PME-3 25kV class collar Item ID 1003788 Standard Item UM20F
g) Collar “M” style for primary metering, Item ID 1001128 Standard Item UM20M
Cooper NOVA style and DER style reclosers
2. COMPLIANCE WITH STANDARDS AND CODES
2.1. Roof shall be designed for AASHO-HS20-44 direct wheel loading
2.2. Manholes to be in accordance with ASTM publication C-857, C-858, ACI 318 and
AASHTO load factor design methods.
2.3. Steel reinforcing bars shall conform to ASTM-A-615 (latest revision). Grade 60 min.
Cover - 1".
3. MATERIAL
3.1. Material shall be precast concrete with a minimum strength of 5,000 psi, 28 days.
3.2. Drawing shall be approved by National Grid Standards
3.3. Steel reinforcing bars shall conform to ASTM-A-615 (latest revision). Grade 60 min.
Cover - 1".
3.4. Design loading - the roof shall be designed for AASHO-HS20-44 direct wheel loading.
3.5. Do not extend horizontal rods into duct openings. Vertical reinforcing rods in top and bottom sections of the duct openings will be bent out in the field for support of incoming duct bank.
3.6. Pull eyes, furnished by manufacturer, to be 1" round galvanized eye bolt. Pull test
25,000 lbs. As per detail “Z”.
Doc. # MS3467
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained in Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
3.7. Bare 4/0 copper ground stub conductor and U-bolt clamps as shown in detail “Y” to be furnished by manufacturer.
3.8. Construction joint shall be sealed with asphalt or equivalent.
3.9. Purchaser will provide manhole frame, cover, end bells and brick.
3.10. Manholes to be in accordance with ASTM publication C-857 and C-858.
3.11. Manhole to be delivered to the job site by the manufacturer. Delivery to be coordinated with purchaser on a 48-hou notice.
3.12. Unistrut to be 1 5/8” x 1 5/8” galvanized steel embedded in wall and tied to reinforcing.
3.13. Manhole to be delivered in three pieces: top, bottom and collar.
3.14. No changes to be made to this plan without purchaser’s approval
3.15. Hatchway to be H20 rated made of galvanized steel. Hatchway to meet minimum requirements detailed in MS3482.
3.16. Collars with openings to have a 2-inch-thick closed cell styra foam extruded polystyrene (XPS). The styra foam shall meet ASTM E 119 Fire Resistance rating.
Doc. # MS3467
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained i Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
4. DRAWINGS
Doc. # MS3467
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained in Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
Doc. # MS3467
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained i Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
Doc. # MS3467
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained in Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
Doc. # MS3467
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained i Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
Doc. # MS3467
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained in Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
Copyright 2020 National Grid. Printed copies of this document are not document controlled. Refer to the National Grid INFONET, Distribution Engineering Services website, for the latest version. Controlled copies are maintained i Documentum.
File: MS 3467 PRECAST CONCRETE MANHOLE Switchgear Manhole
Originating Department:
Electric Standards
Doc. # MS3467
5. REVISION HISTORY
Version Date Modification Author(s) Approval by (Name/Title)
2.3 3/20 Drawings update to collar M
John Vartanian
J-P Knauss Director Electric
Engineering
2.2 12/19 Drawings update, added threaded inserts for mounting unistrut and styra foam.
Removed Collar N.
Added reference
ASTM E 119
General section update.
Added 3.16 in materials section.
John Vartanian
J-P Knauss Director Electric
Engineering
2.1 8/18 Added collar D,F and N style
John Vartanian
J-P Knauss Director Electric
Engineering
2.0 3/18 Updated drawings
Added ventilation knockouts
Updated formatting
A. Miuccio Jon Gonynor, Director T&D O&M Services
1.2 2/16 Update to drawing on page 4
John Vartanian
Jonathan Gonynor Director of T&D O&M Services
1.1 5/15 Updated Item ID’s Removed Collar
D style Added Collar M style Update to drawings
John Vartanian
Jonathan Gonynor Director of T&D O&M Services
1.0 3/10 Updated Material Spec from 2008 and converted into documentum
John Vartanian
Allen Chieco, Director of Distribution
Standards and Work Methods
File details come from the government source that posted it. Updated .