Water Piping Replacement Services at Taos Solicitation 75H70724Q00113 Addendum 1.pdf
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- Solicitation number
- 75H70724Q00137
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This document is an Addendum to the Solicitation #75H70724Q00113 for Water Piping Replacement Services at the Taos-Picuris Service Unit. The addendum modifies the Description of Services/Supplies, including reducing the requirement to expose existing underground utilities and providing a relief from the as-built plan requirement. It also includes a proposed plumbing design layout and material list for the new 3-inch ductile iron piping, valves, and vault components. The related federal contract opportunity, Solicitation #75H70724Q00137, is for Water Meter Replacement Services at the Taos Picuris Service Unit. This opportunity is set-aside for Small Business Indian Firms (SBIF) under the Buy Indian Act, with a cascading set-aside to other small business categories if SBIF offers are not received. Offers are due by 12:00 pm MST on September 27, 2024, and must comply with commercial item terms and conditions.
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Water Piping Replacement Services at Taos-Picuris Service Unit
Solicitation #75H70724Q00113 Addendum #1
Addendum #1
Addendum to Description of Services / Supplies
The Description of Services / Supplies, pg. 3 of 14, as originally published shall remain in effect, except for the following modifications:
General Bullet Item #1, last sentence: The Contractor shall not need to expose all existing underground utilities in the proximity of the water meter vault
Facility Overview and Procedures Bullet Item #3, first sentence: The Contractor shall perform all work that will or is expected to cause a disruption of water service to the IHS Clinic during weekend days.
Project Description and Deliverables Bullet Item #2: If the Contractor is able to complete all new piping work within the existing vault, this entire paragraph may be eliminated (Not necessary to expose buried utilities). However if the Contractor needs to excavate outside the vault, it shall be performed with vacuum excavation, hand digging or other approved non-destructive means.
Bullet Item #4: The Contractor is relieved of the requirement to provide an as-built plan of actual existing utility locations, unless utilities are discovered during the course of the work.
Bullet Item #5: The proposed plumbing design is included within this Addendum #1. The Contractor shall notify the COR and markup the design at least 2 business days prior to construction of any proposed changes.
Proposed Design Layout Material List and Quantities
ID # Description Qty 1 New 4”x3” Reducer, Concentric, Flg. 1 2 New 3”x3” Tee, Flg. 2 3 New 3” GV, with Handle, Flg. 4 4 New 3” 90° Elbow 2 5 New 3” Union, Threaded 1 6 New 3”x2.5” Reducer, Concentric, Flg. 1 7 New 3”x2” Reducer, Concentric, Flg. 2
Addendum #1
8 New 3” Ductile Iron Pipe, Threaded Varies 9 New Vault Steps, 12” Wide, 12” Vert. Spacing 3 10 Existing Water Meter and Transducer N/A 11 Existing GV (Upstream of meter) N/A 12 New Reinforced Pre-Cast Vault Lid, 5 ft x 7 ft x 4 in Thick, with Cast-in-Place
Aluminum Access Door, 30”x36” with Hinges, Recessed Lifting Handle and Padlock Bar. Equal to Halliday Products SR13036. Center over Vault Steps.
Provide Core Hole for Existing Meter Transducer Wire
Ductile Iron Pipe: All ductile iron pipe shall be Type 1, meeting AWWA C150 and AWWA C151. Joints shall meet AWWA C111, and fittings shall meet AWWA C110.
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