B09_Solicitation_ATT_4_Specifications_Revised_Drawing_0001.pdf

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Supply and Deliver Fish Screens Crater Lake Nation
Solicitation number
140P8423Q0114
Issued by

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This document outlines specifications for the supply and delivery of twelve prefabricated fish screens for a project involving the National Park Service and Oregon Department of Fish and Wildlife. The fish screens must meet National Marine Fisheries Services criteria for profile bar screens, with horizontal orientation, 0.069" slot size, and B69 wire. Materials must be stainless steel grade 304. Additional requirements include a design load of 40", U-clips spaced at 2" centers, and Hendrick Screen Company or equal manufacturer. The screens must be individually packaged for shipping to the ODFW Central Point Screen Shop by a specified date to prevent damage in transit. Shop drawings must be submitted for approval prior to fabrication. Workmanship standards for cutting, drilling, welding, and assembly are provided.

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B08_Solicitation_ATT_6_140P8423Q0114_Quote_Sheet_0002.pdf PDF
ATT_7_Provisions_and_Clauses_140P8423Q0114_CRLA_Fish_Screens_Revised_0002.pdf PDF
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FISH SCREEN Page 1

SECTION 055900 - FISH SCREEN SPECIFICATION

PART 1 – GENERAL

1.1 WORK COVERED BY CONTRACT DOCUMENTS

A. General: All work outlined below will be performed under a single contract.

B. Project Scope of Work: The purpose of this solicitation is to purchase twelve identical prefabricated fish screens. The fish screens will be used for an upcoming project that is being developed jointly between several project partners including the NPS and Oregon Department of Fish and Wildlife (ODFW). A general contractor working under a separate contract will construct the fish barrier structure. ODFW and/or NPS staff, or the general contractor, will install the screens after construction.

PART 2 – PRODUCTS

2.1 GENERAL

A. All materials shall be new and free of defects.

2.2 PROFILE BAR SCREENS

A. Profile bare panels to meet National Marine Fisheries Services criteria.

B. Size shall be as indicated in the plans.

C. Screen orientation: horizontal D. Wire: B69 E. Slot: 0.069" F. Material: Stainless Steel, Grade 304 G. U-clips @ 2" centers H. Design load: 40" I. Manufacturer: Hendrick Screen Company or equal.

2.3 SCREEN FRAMING

A. Material: Stainless Steel, Grade 304 B. Steel bars, plates, shapes, shall meet the requirements of ASTM 276.

PART 3 – EXECUTION

3.1 Shop Drawings: Submit Shop Drawings for approval prior to fabrication.

3.2 Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges to a radius of approximately 1/32 inch unless otherwise indicated. Remove sharp or rough areas on exposed surfaces. Form exposed work with accurate angles and surfaces and straight edges.

3.3 Weld corners and seams continuously to comply with the following:

FISH SCREEN Page 2

A. Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals.

B. Obtain fusion without undercut or overlap.

C. Remove welding flux immediately.

D. Form exposed connections with hairline joints, flush and smooth, using concealed fasteners or welds where possible.

E. Fabricate seams and other connections that will be exposed to weather in a manner to exclude water. Provide weep holes where water may accumulate.

F. Cut, reinforce, drill, and tap metal fabrications as indicated to receive finish hardware, screws, and similar items.

3.4 SHIPPING

A. Package each screen individually in a manner that will prevent damage while in transit. Label screens or shipping packages as Annie Creek #7.

B. Deliver or ship screens to:

ODFW Central Point Screen Shop 1495 E. Gregory Rd.

Central Point, OR 97502

3.1 Shop Drawings: Submit Shop Drawings for approval prior to fabrication.
3.2 Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges to a radius of approximately 1/32 inch unless otherwise indicated. Remove sharp or rough areas on exposed surfaces. Form exposed work with accurate angles and surface...
3.3 Weld corners and seams continuously to comply with the following:
A. Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals.
B. Obtain fusion without undercut or overlap.
C. Remove welding flux immediately.
E. Fabricate seams and other connections that will be exposed to weather in a manner to exclude water. Provide weep holes where water may accumulate.
F. Cut, reinforce, drill, and tap metal fabrications as indicated to receive finish hardware, screws, and similar items.

File details come from the government source that posted it. Updated .