Attachment 001 - Specifications New Build Tainter Valve Cylinder.pdf

ATTACHMENT 1 - SPECIFICATIONS

TAINTER VALVE HYDRAULIC CYLINDER BUILD AND

REFURBISHMENT

John Day Lock & Dam

1. SCOPE

Contractor shall furnish and deliver one new Tainter Valve (TV) hydraulic cylinder to John Day Dam and refurbish all four existing TV hydraulic cylinders. To refurbish all four TV hydraulic cylinders, contractor shall design and construct a new TV hydraulic cylinder that is a direct replacement of existing TV hydraulic cylinders.

Government personnel will remove one of the existing TV cylinders in worse shape and install/start-up the new TV hydraulic cylinder in its place. Upon installation of new cylinder, contractor shall refurbish the hydraulic cylinder removed and shall return it to Government. As existing TV hydraulic cylinders are refurbished, government shall install them, and contractor shall refurbish them until all four TV hydraulic cylinders are repaired.

The contractor shall also provide maintenance manuals, including parts breakdown and as-built drawings upon delivery of new TV hydraulic cylinder. Two sets of technical documentation, including technical data sheets, and shop drawings shall be submitted to the technical point of contact at site (through Contracting Office), for technical evaluation, prior to contract award. Pre-award submittals shall show physical and mounting dimensions bore, seals, seal wipers, rod diameter, pressure rating, thrust, connection ports, rod end configuration, effective stroke, rod material, and rod finish and all other material substitutes proposed.

2. SPECIFICATIONS

a. TV Hydraulic Cylinder shall

i. Have an operating stroke of 13 feet 7 inches

ii. Have a maximum stroke of 14 feet 7 inches.

iii. Have a bore of 12 inch inside diameter, with an outside diameter of 14 inch.

iv. Have a chromed piston rod with 5-inch diameter x 224.25 inches

v. Have 5 piston rings

1. Ring diameter shall be 12 inches.

2. Ring width shall be 7/16 inches

3. Ring radial shall be 7/16 inches

4. Ring joint shall be Step Seal

vi. Be designed for a 1400 psi operating pressure.

vii. Have a cylinder head designed with a 2-inch NPT Hole (by-pass port) located in the center of cylinder head.

viii. Have parts materials meet the existing TV cylinder component materials.

ix. Conform to National Fluid Power Association. (NFPA)

x. Be able to operate using Mobil DTE Oil Light Bearing and Circulating Oil ISO VG

32 or equal.

b. The contractor shall

i. Verify all dimensions with drawings and from field measurements.

ii. Have Government Engineering approval prior to award of contract to substituting any of the materials.

c. FOR INFORMATION ONLY DRAWINGS

d. PAINT SPECIFICATIONS

i. Paint shall be System No. 23-A-Z

Surface Preparation White metal blast cleaning First Coat SSPC Paint 40 Type II Second coat SSPC Paint 41 Third coat SSPC Paint 38 Finish color Grey

The coating system shall be applied according to the manufacturer's written instructions. It shall be a 3-coat system. All materials shall be procured from the same coating manufacturer. The individual paints comprising the system shall have been tested and passed all requirements of the applicable SSPC standards. SSPC Paint 38 topcoat shall meet the requirements of Accelerated Weathering Level 3. Application shall be by spray in accordance with the manufacturer's written instructions. Limited use of brush and roller application is permitted provided the specified film thicknesses are achieved. Dry film thickness per coat shall be that recommended by the manufacturer. Application of the system in less than three coats shall not be accepted. The coatings shall be mixed and thinned in accordance with the manufacturers written directions.

Coating material that has exceeded the manufacturer's pot life shall not be applied. Materials that have thickened appreciably shall not be applied. The manufacturer's recommendations for minimum and maximum dry time between coats shall be met. Areas of bubbling noted upon curing of any individual coat shall be removed by sanding or screening. The edges of the repaired areas shall be feathered, and the coat reapplied to the repaired areas before a subsequent coat is applied.

3. O&M Manuals

a. Contractor shall also furnish three copies of O & M manuals, complete with recommended periodic maintenance schedules. The O & M manuals shall also include an as-built drawing and a detailed parts list. The delivery of the manuals shall occur no later than 4 business days after the final delivery.

4. Warranty

a. The unit shall be covered by a materials and workmanship warranty for a period of no less than one year from product acceptance.

5. Schedule and Delivery

a. Government Personnel at site to deliver. Normal working hours at John Day Dam are

6:30 a.m. to 5:00 p.m., Monday through Thursday. The delivery shall arrive between 7:00 a.m. and 2:00 p.m. during normal working days. This is to allow for unloading and

DRAWING NUMBER DISCRIPTION

JDN-1-3-9/1 Tainter Valve Machinery General Assembly JDN-1-3-9/2 Tainter Valve Machinery Connecting Rod and

Cylinder Base

JDN-1-3-9/3 Tainter Valve Machinery – Crosshead, Guides, Piston, Rods, Pins and Bumper

JDN-1-3-9/4 Tainter Valve Machinery – Hydraulic System inspection. The delivery shall be made to the north side of the dam. Delivery address is as follows:

John Day Lock and Dam I-84, Exit 109 Rufus, Oregon 97050