FAKZ162003 Addendum 1.pdf

Date: 31 August 2020

To: Mr. Stephen Shanks

Subject: ADDENDUM NO. 1

Project: REPAIR ELECTRICAL DISTRIBUTION

Job #: SSL# 15227

ANG# FAKZ162003

From: David Donovan

The plans and Specifications of the subject project, dated 14 July 2020 are amended as follows: (Where there are conflicts between the plans and specifications and the addendum, this addendum shall govern)

Item No. 1: Refer to specification section 26 0122, Paragraph 2.3. Delete this paragraph and replace it with the below:

“Precast polymer concrete box pads for MV switchgear shall be provided and installed by the Contractor.”

Item No. 2: Refer to drawing sheet E5.1, Single Line Diagram (15KV) Power.

Change feeder from S105 to J8 from (2) #2 to (3) #2 CU, (1) #2 GR.

Item No. 3: Refer to drawing sheet E5.4, detail 1. Delete note reading “3/4” conduit

(minimum)” and replace it with a note reading “2” conduit (minimum)”.

Clarification: All street lighting conduit shall be 2” minimum diameter.

Item No. 4: Refer to specification section 26 0100, paragraph 1.02. Delete this paragraph and replace it with the below:

1.02 QUALIFICATION OF ELECTRICAL CONTRACTORS

A. Electrical contractor must be properly established as an electrical contractor having previous experience in satisfactory installation of at least three systems of similar type, size, and complexity within the last 5 years.”

Item No. 5: Refer to specifications. Add specification section 01 2300 “Alternate Bid

Options” with a revised date of 28 August 2020.

REPAIR ELECTRICAL DISTRIBUTION ADDENDUM NO. 1

Seay Seay & Litchfield, P.C. 31 August 2020 SSL #15227, ANG#FAKZ162003 Page 2 of 2

Item No. 6: Refer to drawing sheet E3.1, Detail “A”. Add the following general note to this detail:

“This detail depicts an alternate bid item configuration. The base bid shall include individual directional bores as required by the plans with no outer casing. In the base bid, the depicted duct spacers, grout, and overall casing will not be required. Bid options shall be provided that provide pricing for 1) steel outer casing as indicated on this detail and 2) HDPE outer casing in lieu of steel casing indicated on this detail. Refer to specification section 01 2300 – Alternate Bid Items.”

Item No. 7: Refer to drawing sheet E2.3 “Composite Site Plan – Part 3 – New Work –

Power.” Delete note reading “2WP/XX” on new underground electrical line from new switch S105 to new junction box J9 and replace it with note reading “1WP/XX”. Similarly, delete note reading “2WP/XX” on new underground electrical line from new junction box J9 to new transformer T18 and replace it with note reading “1WP/XX”.

Item No. 8: Refer to drawing sheet E5.1, detail 1, Single Line Diagram (15KV) Power.

Change feeder from new transformer T24 to existing transformer T2 from

(2) #2 to (3) #2 CU, (1) #2 GR.

Item No. 9: Refer to drawing sheet E5, Transformer Schedule. Change transformer T-

20 from 100KVA to 167 KVA.

Item No. 10: Refer to specifications. Eaton ISG-SD Vacuum Interrupter Switch are approved for this project. These switches may be used in place of the SF6 gas switches.

Item No. 11: Refer to specification section 26 0272 “Medium-Voltage, Pad-Mounted

Switchgear.” Modify this specification as noted below:

a. Reference paragraph 2.3, Subparagraph A-3: change ratings to from 16KA to 12.5KA for short-circuit interrupting current.

b. Reference paragraph 2.5, B: Vacuum Interrupters will be acceptable in lieu of SF6 gas.

c. Delete Paragraph 2.6 (A)2(a). Remove requirement for motor operators and any reference to 48 volt dc operations.

End of Addendum #1

Repair Electrical Distribution FAKZ162003/SSL#15227 187th Fighter Wing - Montgomery, AL Type B-3 (100% Submittal) Revised 28 August 2020 14 July 2020

ALTERNATE BID ITEMS 01 2300 - 1

SECTION 01 2300 – ALTERNATE BID ITEMS

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Description of Alternate Bid Items.

1.02 ACCEPTANCE OF ALTERNATE BID ITEMS

A. Alternate Bid Items quoted on Bid Forms will be reviewed and accepted or rejected at the Government's option in accordance with the requirements of the Solicitation Documents. Accepted Bid Items will be identified in the Government issued Contract Award.

B. Coordinate related work and modify surrounding work to integrate the Work of each Bid Item.

C. Refer to Government solicitation for additional requirements and criteria regarding the pricing, acceptance, and award of Alternate Bid Items.

1.03 SUMMARY

A. Definition: A Bid Item is an amount proposed by Bidders and stated on the Bid Form for certain construction activities defined in the Solicitation that may be added to the Base Bid amount if the Government decides to accept a corresponding change in either the amount of construction to be completed, or in the products, materials, equipment, systems or installation methods described in Contract Documents. The base Bid is all items shown on the Contract Documents except items to be added back by below schedule of Bid Items.

B. Coordination: Coordinate related Work and modify or adjust adjacent Work as necessary to ensure that Work affected by each accepted Bid item is complete and fully integrated into the project.

C. Schedule: A "Schedule of Alternate Bid Items" is included at the end of this Section.

Specification Sections referenced in the Schedule contain requirements for materials and methods necessary to achieve the Work described under each Bid Item.

D. Include as part of each Bid Item, miscellaneous devices, accessory objects and similar items incidental to or required for a complete installation whether or not mentioned as part of the Bid Item.

ALTERNATE BID ITEMS 01 2300 - 2

1.04 SCHEDULE OF ALTERNATE BID ITEMS

A. Alternate Bid Item No. 1: Steel Casing of Directional Borings

1. This Alternate Bid Item shall include all plant, labor, and material for the following:

a. Installation of an exterior steel casing housing all required directional borings included within the scope of work. Refer to detail “A” on drawing sheet E3.1 for requirements associated with the steel casing included in this Alternate Bid Item.

b. If this Bid Item is not awarded, the Government shall have the option of accepting either the base bid or the base bid plus Alternate Bid Item No. 2 as described below.

B. Alternate Bid Item No. 2: HDPE Casing of Directional Borings

1. This Alternate Bid Item shall include all plant, labor, and material for the following:

a. Installation of an HDPE casing housing all required directional borings included in the scope of work. Refer to detail “A” on drawing sheet E3.1 for requirements associated with the HDPE casing included in this Alternate Bid Item.

b. If this Alternate Bid Item is awarded, HDPE casing pipe shall be installed by using the Direction Drilling Method in accordance with manufacturer’s recommendations, ASTM F1962 Standard Guide for Use of Maxi-Horizontal Directional Drilling for Placement of Polyethylene Pipe or Conduit under Obstacle, including River Crossings, Plastic Pipe Institute Polyethylene Pipe for Horizontal Directional Drilling.

b. If this Bid Item is not awarded, the Government shall have the option of accepting either the base bid or the base bid or the base bid plus Alternate Bid Item No. 1 as described above.

C. Clarification of Alternate Bid Items:

1. The intent of this solicitation is to award, if funding is available, only one of the two above listed Alternate Bid Items. Both of the above listed Alternate Bid Items will not be awarded. Refer to the Government Solicitation requirements for procedures regarding evaluation and award of Alternate Bid Items.

2. If neither of the above listed Alternate Bid Items are awarded, the base bid shall include installation of individual directional bores without an outer casing that holds and consolidates all required conduits/wiring into one bore. Included in the base bid, the contractor shall provide individual borings and casings in size, quantity, and type required by the Contract Documents to achieve the primary power distribution system indicated on the drawings. In the base bid, the duct spacers, grout, and outer steel casing depicted on the “A” on drawing sheet E3.1 will not be required.

ALTERNATE BID ITEMS 01 2300 - 3

PART 2 PRODUCTS - NOT USED

PART 3 EXECUTION - NOT USED

END OF SECTION