Attachment_9_Amendment_No_0005_0005.pdf
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- Attached to
- FKC Middle Reach Capacity Correction Project Phase Federal contract opportunity
- Solicitation number
- 140R2020R0009
About this file
This document outlines technical specifications for aluminum stoplogs and guide frames required for a turnout and weir project. The Bureau of Reclamation is soliciting bids for the FKC Middle Reach Capacity Correction Project Phase 1. Stoplogs and guide frames must be manufactured by a company with at least 20 years of experience in the field that has supplied at least 10 similar projects in the past 10 years. Products specified include 6061-T6 aluminum stoplogs and guide frames with urethane, EPDM, or neoprene seals to limit leakage. Stoplogs must be 24 inches tall unless otherwise indicated, withstand maximum operating heads shown on drawings, and include identification tags. The manufacturer Whipps, Inc. or approved equal must provide mill finish on aluminum and stainless steel components.
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Text version
Solicitation No: 140R2020R0009 Specifications No. 20-C0907
STANTEC/184031016 TURNOUT AND WEIR STOPLOGS
FKC MIDDLE REACH CAPACITY CORRECTION PROJECT PHASE 1 PAGE 35 22 57 - 2
The location of the company headquarters and the location of the principle manufacturing facility. Provide the name of the company that manufactures the equipment if the supplier utilizes an outside source.
QUALITY ASSURANCE
Qualifications:
All of the equipment specified under this Section shall be furnished by a single manufacturer with a minimum of 20 years experience designing and manufacturing stoplogs. The manufacturer shall have manufactured stoplogs for a minimum of 10 projects in past 10 years.
The stoplogs for turnbouts and weir shall be Aluminum stoplogs Series 509 and 510 as manufactured by Whipps, Inc. of Athol, Massachusetts or approved equal.
PART 2 -- PRODUCTS
GENERAL
Stop log assemblies shall be as specified herein and have the characteristics and dimensions shown on the Contract Drawings.
Leakage shall not exceed 0.05 gpm/ft of wetted seal perimeter.
The stop logs shall be provided with a continuous resilient seal along the bottom and both sides. The guide frames shall not incorporate seals.
Stop logs shall be of the height as shown in the Contract Drawings and they shall be designed to function properly when stacked in any order.
Stoplogs shall be designed to drop into place under their own weight without any downward pressure necessary. Stacking stopplates are not acceptable in lieu of stoplogs.
All structural components of the stoplogs shall be fabricated of aluminum and shall have adequate strength to prevent distortion during normal handling, during installation and while in service.
All structural components of the guide frames shall be fabricated of aluminum and shall have adequate strength to prevent distortion during normal handling, during installation and while in service.
All welds shall be performed by welders with AWS certification.
Finish: Mill finish on aluminum and stainless steel. All aluminum in contact with concrete shall be field coated by the CONTRACTOR with a heavy coat of bitumastic paint. Welds on aluminum shall be cleaned to provide a uniform finish. Welds on stainless steel shall be sandblasted to remove weld burn and scale.
Attachment 9 Amendment No 0005 swolfert Cross-Out swolfert Text Box epoxy-coated steel per Section 05 50 00 swolfert Polygon swolfert Line
Solicitation No: 140R2020R0009 Specifications No. 20-C0907
STANTEC/184031016 TURNOUT AND WEIR STOPLOGS
FKC MIDDLE REACH CAPACITY CORRECTION PROJECT PHASE 1 PAGE 35 22 57 - 3
Materials
Components Materials Frame Guides and Invert 6061-T6 Aluminum Stoplogs 6061-T6 Aluminum Lip Seal Urethane, EPDM or Neoprene Anchor Studs, Fasteners and Nuts Stainless Steel, Type 316, ASTM A276
FRAME GUIDES
The frame guides or grooves and invert member shall be constructed of extruded aluminum with a minimum thickness of 1/4-inch.
Frame design shall allow for embedded mounting or mounting directly to a wall with stainless steel anchor bolts and grout. Mounting style shall be as shown on the Contract Drawings.
An invert member shall be provided across the bottom of the guides. The invert member shall be of the flushbottom type.
Frame mounted seals are not acceptable.
STOPLOGS
The stop logs shall be constructed of extruded aluminum shapes with a minimum thickness of 5/16-inch.
Each stop log shall be 24 inches tall unless otherwise indicated on the Contract Drawings.
Maximum bending stress shall not exceed 7600 psi at the maximum operating head specified on Contract Drawings.
Adequate drainage shall be provided for each stop log.
Two slots shall be provided in the top of each stoplog for removal and installation via the stop log lifter.
Each stop log shall be outfitted with an identification tag indicating the manufacturer, width of the opening and maximum head rating at a minimum.
Additional tags shall be included on each stop log that indicate “dry side” and “wet side”. Tags shall be welded to each log.
SEALS
Each stoplog shall be outfitted with a continuous resilient lip seal along the bottom and both sides to restrict leakage in accordance with the requirements listed in this specification.
The continuous lip seal shall be constructed of urethane or rubber and shall be mechanically retained to the stoplog.
Attachment 9 Amendment No 0005 swolfert Cross-Out swolfert Text Box Epoxy-Coated Steel per Section 05 50 00 swolfert Polygon swolfert Line swolfert Cross-Out swolfert Cross-Out swolfert Text Box epoxy-coated steel per Section 05 50 00 swolfert Polygon
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