DWA Garco Building Lean-to Specifications.docx

BID ITEM LIST

DWORSHAK GARCO LEAN-TO STRUCTURES

Total

TECHNICAL SPECIFICATIONS

DWORSHAK GARCO LEAN-TO STRUCTURES

SCOPE

The following specification pertains to the fabrication and supply of two (2) lean-to structure assemblies as shown in the attached contract drawings for delivery and offloading to Dworshak Dam and Reservoir (Dworshak Project), Ahsahka, Idaho. The contractor must also provide all other pertinent materials for construction of the lean-to assemblies listed in the salient requirements below and shown in the contract drawings.

2.0 GARCO LEAN-TO STRUCTURES– GENERAL REQUIREMENTS

· The lean-to structures must be equipped with the salient requirements listed herein. Any items not identified in this specification that are required for operation of all attachments must be provided by the Contractor as part of their bid.

· The lean-to structures must be fully capable, equipped as described in Section 3.0 below, the contract drawings, and ready for all intended uses upon delivery and assembly.

· The lean-to structures must not be modified to meet the functional and performance requirements of this specification, other than the addition of optional items. If any modifications are required to the structures as shown to meet the functional purposes of this contract, the contractor is to immediately notify the Contracting Officer.

· The lean-to structures system must be constructed of all new materials exhibiting no excessive corrosion. No used, returned, or excessively corroded components will be accepted as a part of this fabrication.

· All submittals designated for government approval will be designated as approved or disapproved. The contractor must not proceed with the scope of work the submittal pertains to until receiving a fully approved submittal. Submittals must be submitted a minimum of 15 days in advance of procurement to allow time for government review.

· The contractor is to supply all necessary HSS members, girders, joists, roof panels, Z-girts, baseplates, wall panels, steel angle members, shear tabs, gussets, and flashing necessary to construct two (2) lean to assemblies as described in the specifications and contract drawings. All supplied items will be delivered fully fabricated as shown in the contract drawings ready for assembly. The contractor will NOT be responsible for supplying fasteners, concrete reinforcement steel, wire rope and clevises, and turnbuckles.

3.0 GARCO LEAN-TO STRUCTURES (CLIN 01)

The critical defining elements for fabrication of the lean-to structures include:

3.1 Materials

· The contractor must provide ASTM A572/A572M, grade 50 for all structural plate steel unless otherwise specified.

· The contractor must provide materials meetings ASTM A992/A992M for all wide flange members.

· The contractor must provide materials meeting ASTM A500/A500M, grade C (50 KSI minimum yield strength) for all hollow structural steel (HSS) members.

· The contractor must provide materials meeting ASTM A36 for all structural angle members.

· The contractor must provide and install galvanized vent hole plugs as a part of this contract. All vent hole plugs must be constructure of zinc and installed in a way they do not protrude from the surface in which they are installed. The contractor must only install the galvanized vent hole plugs after the final Hot Dipped Galvanized coating has been applied.

· The contractor must supply Z-Girts meeting the dimensional requirements listed in the contract drawings. The Z-girts must be constructed of 50 KSI 12 GA steel and have a hot dipped galvanized coating. The Z-girts must not be punched.

· The contractor must supply flashing meeting all dimensional requirements listed in the contract drawings. The flashing must be constructed of 16-gauge steel meeting ASTM 1003. The flashing must be galvanized and coated in the same color as the roofing material. The wall-to-wall flashing shown in detail B16 on page S.5 must be coated in the same color as the wall panels.

· The contractor must deliver 26 Gauge galvanized steel roof panels with tuff rib configuration. The roof panels must be “Copper Penny” in color and be constructed of Grade 80 steel. Roof Panels must have ¾ inch rib height with 36 inch of coverage. The product selected must be UL approved for class 4 hail. All panels must be new, undamaged, and arrive bundled together in standard packaging units designed for movement via a forklift. The roof panels must be cut to the length specified in the contract drawings.

· The contractor must deliver 26 Gauge galvanized steel wall panels with tuff rib configuration. The wall panels must be “Sandstone” in color, #22 on Miramac Metals color chart, and be constructed of Grade 80 steel. Wall Panels must have ¾ inch rib height with 36 inch of coverage. The product selected must be UL approved for class 4 hail. All panels must be new, undamaged, and arrive bundled together in standard packaging units designed for movement via a forklift. The wall panels must be cut to the lengths shown in the contract drawings.

· The contractor must deliver 150 feet of 5/8” diameter galvanized steel wire rope. The wire rope must have a minimum rated breaking strength on 30000 lbs. The wire rope must be constructed in the 6x25 layout.

3.2 Fabrication

· All welding performed under this contract must be performed in accordance with AWS D1.1/D1.1M. All welding electrodes used for welding on this contract must be rated for 70 KSI and must be used in accordance with all manufactures written directions.

· All welding must be performed by welders qualified in accordance with AWS D1.1/ D1.1M.

· The contractor must cap, and seal weld all open hollow members with 3/16” plate steel. The contractor must grind all welds associated with capping to a uniform finish before coating.

· The contractor must submit for government approval the Welding Procedure Qualifications (WPS), with supporting procedure qualification records (PQR) and all supporting test documentation on forms similar or equivalent to the sample formed found in AWS D1.1/ D1.1M even if the procedure is considered prequalified.

· All steel components fabricated under this contract must be hot dipped galvanized in accordance with ASTMA123/A123M unless otherwise noted. The contractor must only install the galvanized vent hole plugs after the final Hot Dipped Galvanized coating has been applied.

· The contractor must only fill the holes created to aid in the galvanizing process; the contract specified weep holes are to remain unplugged.

· The contractor must repair any damaged coated surfaces with a galvanizing repair method conforming to ASTM A780/A780M.

· For dimensions less than 2 feet, measurements must be within +/- 1/16 inch of dimensions shown on the drawing. For dimensions greater than or equal to two feet and up to 20 feet, dimensions must be within +/- 1/8 inch of dimensions shown on the drawing.

· After welded joints have been satisfactorily completed by the Contractor and accepted by the Government, clean the joint area to a bright, unpitted, and unscarred surface and protect in accordance with the applicable coating as described in this contract.

3.3 Government Inspection

· The contractor must allow government personnel access to conduct quality assurance inspections at any time.

· When doubt exists as to the soundness of any material part; such part may be subjected to any form of nondestructive testing that will thoroughly investigate the part in question as determined by the Government. Any defects may be cause for rejection and rejected parts are required to be replaced and retested at the Contractor's expense.

· When the soundness of any weld is suspected of being deficient, due to faulty welding or stresses that might occur during shipment or erection, the Government reserves the right to perform nondestructive supplemental examinations before final acceptance. The cost of such inspection will be borne by the Government if welds pass the nondestructive inspections. If welds are found to be defective, Contractor must repair the defective work. Retest repaired defective work by the same test method that located the defect and recoat that area meeting all requirements set forth in specification section 3.2. All costs associated with these repairs will be borne by the contractor.

· Final acceptance of all welded joints, the entire fabrication, any materials provided under this contract will be by the government.

4.0 Warranty (CLIN 03)

· The lean-to structures must be covered by a minimum one-year warranty on all parts, labor, and workmanship from factory defects. All warranty work will be done without delivery or shipment fees (including travel or on-site work). All parts and components covered by a manufacturer’s warranty greater than one (1) year must prevail.

5.0 SUBMITTALS

5.1 Post-Award Submittals

The offeror must submit the following items for government approval in the timeframes listed below after the award of contract:

· 5.1.1 Shop Drawings

· Prior to performing any fabrication of structures submit detailed shop drawings of each component to be fabricated to the KO and Engineer of Record for approval. Show complete details of materials, tolerances, and connections on shop drawings. Include catalog cuts, templates, fabrication and assembly details, type, grade, and class of materials, as appropriate on shop drawings.

· Provide a table containing a list of all members and a reference to each material certificate and test report that applies to that member.

· Elements of fabricated items inadvertently omitted on contract drawings are to be returned to the Engineer of Record for detailing or be detailed by the fabricator and so indicated on the shop drawings. Cloud all details developed by the fabricator on the shop drawings for separate approval by the Engineer of Record.

· 5.1.3 Test Reports/Shop Control Dimensions

· After fabrication of each structure, record and submit control dimensions report of the actual fabricated dimensions, for each transformer disconnect support structure. Verify all pieces meet tolerances stated within these specifications and drawings. Match mark assembly components such that each component can be correctly matched to the corresponding assembly in the field. Provide at least 14 calendar days’ notice to the Government prior to the control dimensions tests.

· 5.1.4 Inspector Qualifications

· All weld inspectors, performing weld inspection in accordance with these specifications, must be currently qualified and certified in conformance with AWS QC1. The Contractor must provide an AWS Certified Welding Inspector (CWI) as the primary point of contact for quality control of welding. When several CWI and NDT technicians are working, one primary individual must be designated as having primary responsibility for all quality control in accordance with AWS D1.1/D1.1M and this specification. Non-certified inspectors and certified associate weld inspectors (CAWI) must not be used for inspection under these specifications.

· The contractor must Submit level II qualification / certification documentation on all inspectors that are to be working under this contract. The inspector must be third party.

5.2 Delivery Submittals – Test Reports

4.2.1 The Contractor must provide one complete digital copy of a comprehensive Test Report Manual for each piece of equipment and attachments. The manuals must be specific to the product/model number of each unit and must be comprehensive in nature. The manuals must include the following sections or sub-manuals:

· Final Drawings

· Material Test Reports

· Complete warranty information

6.0 SECURITY REQUIREMENTS

6.1 General security requirements and guidance: The security requirements described below apply to all contract personnel (including employees of the prime Contractor (“Contractor”) and all subcontractor employees) supporting the performance requirements of this contract. The Contractor is responsible for compliance with these security requirements. Questions regarding security matters must be addressed to the designated Government representative (e.g., Contracting Officer Representative (COR), Requiring Activity (RA) representative, or Contracting Officer (if a COR or other RA representative is not appointed)). Contract personnel are critical to the overall security and safety of US Army Corps of Engineers (USACE) installations, facilities and activities, and security awareness training contributes to those efforts. The Department of Defense (DoD) and Army security training requirements specified below, if applicable, are performance requirements; all applicable contract personnel must complete initial training within 30 days of contract award or the date new contract personnel begin performance on the contract. Within five business days from the completion of training, the Contractor must provide written documentation (e.g., email or memorandum) to the Government representative. The documentation must include the names of contract personnel trained and which training they completed; the Contractor must maintain training records as part of their contract files and be prepared to provide copies of training certificates to the Government representative. Contractor personnel and vehicles are subject to search when entering federal installations. Additionally, all contract personnel must comply with Force Protection Condition (FPCON) measures, Random Antiterrorism Measures (commonly referred to as “RAMs”), and Health Protection Condition (HPCON) measures. The Contractor is responsible for meeting performance requirements during elevated FPCON and/or HPCON levels in accordance with applicable RA plans and procedures—this includes identifying mission essential and non-mission essential personnel. In addition to the changes otherwise authorized by the changes clause of this contract, should the FPCON or HPCON levels at any individual facility or installation change, the Government may implement security changes that affect contract personnel. The Contractor must ensure all contract personnel are aware of their security responsibilities, including any site-specific requirements identified in local policies or procedures.

6.2 Physical security and access control requirements: All contract personnel requiring physical access to a federal installation or facility must comply with the access control procedures of that location. Contract personnel requiring unescorted access to meet contract performance requirements on a DoD installation in the US must be vetted by the installation/facility Provost Marshal/Directorate of Emergency Services/Security Office using the National Crime Information Center-Interstate Identification Index (commonly referred to as “NCIC-III”) and Terrorist Screening Database (commonly referred to as “TSDB”). Contract personnel must comply with all personal identity verification requirements specified in installation/facility policies and procedures. Contract personnel who do not meet requirements for unescorted access to USACE facilities must coordinate escorted access with the Government representative, as needed. Contract personnel who receive keys, access cards, or lock combinations that provide access to government-owned property must comply with key and lock control procedures of the RA.

6.3 Pre-screen candidates using E-Verify Program: Contractors must comply with the requirements set forth in FAR clause 52.222-54 Employment Eligibility Verification and FAR Subpart 22.18 in using the E-Verify Program at (https://www.e-verify.gov/) (website subject to change) to meet the contract employment eligibility requirements. Contractors are encouraged to cooperate with Federal and State agencies responsible for enforcing labor requirements to include eligibility for employment under United States immigration laws in accordance with FAR 22.102-1(i). An initial list of verified/eligible candidates must be provided to the COR no later than three business days after the initial contract award. When contracts are with individuals, the individuals will be required to complete a Form I-9, Employment Eligibility Verification, and submit it to the Contracting Officer to become part of the official contract file.

7.0 SHIPMENT, DELIVERY, AND PRODUCT ORIENTATION (CLIN 02)

7.1 Shipment and Delivery

All items must be delivered FOB to Dworshak Project within 16 weeks from the date of award. The Contractor must be responsible for packing and shipping the components in a manner that will ensure undamaged and complete arrival to Dworshak Project. Deliveries must only be conducted during normal Dworshak Project business hours, Monday–Thursday 7:30 a.m. – 4:30 p.m., excluding federal holidays.

All shipments must be delivered to:

USACE Dworshak Project Attn: Contract Performance Specialist 1428 Northfork Drive Ahsahka, ID 83520