35_22_14_-_Hydraulic_Gates_0002.pdf

Troutlodge Groundwater Interceptor Gravity Division Columbia Basin Project Solicitation No.

Hydraulic Gates

35 22 14 - 1

SECTION 35 22 14

HYDRAULIC GATES

PART 1 GENERAL

1.01 MEASUREMENT AND PAYMENT

A. 39-inch and 48-inch Canal Gates:

1. Payment: Lump-sum price offered in the Price Schedule.

a. Includes: cost of all labor, equipment and materials required for furnishing and installing Canal Gates in accordance with referenced sections.

1.02 REFERENCE STANDARDS

A. American Water Works Association (AWWA)

1. AWWA C560-14 Cast-Iron Slide Gates

2. AWWA C561-14 Open-Channel Fabricated-Stainless Steel Slide Gates

1. AWWA C560-14 Cast-Iron Slide Gates

2.1. AWWA C561-14 Open-Channel Fabricated-Stainless Steel Slide

Gates

3. AWWA C540-02 Power-Actuating Devices For Valves and Slide

Gates

1.03 DEFINITIONS

A. Face and back pressure heads: Head at vertical distance from center of gate to maximum water surface.

1.04 SUBMITTALS

A. Submit the following in accordance with Section 01 33 00 - Submittals.

B. RSN 35 22 14-1, Approval data – 39 and 48-Inch Canal Gates:

1. Drawings and data showing assembly, type, size, and detail dimensions of canal gate and lift installation.

2. Include details for mounting gate against concrete headwall including requirements for anchor bolts and grout.

35 22 14 - 2

PART 2 PRODUCTS

2.01 CANAL GATE

A. Design and manufacture:

1. Gate shall be designed and manufactured to the standards of commercial equipment, and the Contractor shall assume responsibility for proper fit of the gates and coordination and adequate design conforming to the best engineering practice for the requirements of the work under these specifications.

2. Gate shall be installed where shown on drawings.

3. Seating head: 10-feet minimum

4. Gate lift: Handwheel

a. Elevation of operator shall be 1089.5 +/- 0.25.

b. Handwheel pull to open or close gate under applicable face and back pressure heads, maximum: 25 pounds.

c. Lifting nut: Bronze.

d. Provide for lubrication.

5. Mounting: Flat back.

a. The guide rails and head rail shall be an integral unit of extrusions and structural shapes, rigidly assembled to form the waterway opening.

b. Holes shall be provided for mounting anchor bolts.

c. Guide rails and head rail shall be ASTM A36/A36M-01 and galvanized in accordance with ASTM A123/A 123M-02.

6. Frame and Slide:

a. Canal gate frame and slide shall be cast iron ASTM A126, Class B.

b. Machine bronze seating surfaces.

7. The canal gate shall be a Series 6600, Model 101C Fresno Valve and Casting Inc.

or equal.

2.02 STEM AND STEM GUIDES FOR CANAL GATES

A. Design and manufacture in accordance with AWWA C560 and AWWA C561 AWWA C560 and AWWA C561, except:

1. No portion of stem shall have cross-sectional area smaller than root area of threaded portion of stem.

2. Stem may have upset end or stem block.

3. Stem block:

35 22 14 - 3

a. Thread or screw onto bottom end of stem, or designed for an upset stem end.

b. Rigidly pin or key to stem.

4. Stem guides: Fully adjustable.

5. Stem cover: Clear plastic marked to show gate position.

2.03 ADHESIVE ANCHORS

A. Install gates and gate accessories with stainless steel adhesive anchors. Size of anchors to be as recommended by gate manufacturer.

B. All-thread anchor rod, nut, washer, and adhesive capsule manufactured by HILTI, PO Box 21148, Tulsa OK 74121; Rawlplug Company, Two F.B. Powers Square, New Rochelle, NY 10802; Williams Form Engineering Corp., PO Box 7389, Grand Rapids, MI 49510, or equal, having the following essential characteristics:

1. Rods with rolled threads: Stainless steel, type 304, with stainless steel nut and washer.

2. Resin adhesive capsules with hardener or injection type.

3. Minimum bolt embedment length and spacings: specified size of bolt, follow the manufacturer’s instructions for type anchors.

C. Expansion anchor bolts will not be considered as an alternative to adhesive anchors.

2.04 GROUT

A. Grout for base of lift: Nonshrink grout in accordance with Section 03 62 20 – Grouting Mortar for Equipment and Metalwork.

PART 3 EXECUTION

3.01 INSTALLATION

A. Install gates in accordance with manufacturer’s instructions and as shown on drawings.

1. Install gates in manner to prevent leakage past seats.

2. Leakage between gate frame and concrete: None allowed.

3. Coordinate drawing down water level in the ‘S’ ponds with Troutlodge hatchery operators for installation of the gates.

B. Install stem and lift in accordance with AWWA C561 AWWA C561.

1. Handwheel, when furnished: Locate centerline of handwheel at elevation between

3 feet top of structure on which gate operator will stand; unless otherwise dimensioned or noted on drawings.

35 22 14 - 4

2. Crank, when furnished: Locate centerline of crank at elevation specified above. If not specified above or shown on the drawings located between 2.5 and 3.5 feet above structure on which gate operator will stand.

C. Lubricate stem and lift in accordance with Manufacturer's instructions.

3.02 CONTRACTOR FIELD QUALITY TESTING

A. Test after gate after installation.

1. Test by opening and closing gate at least 3 times through its full range of operation.

2. Make required changes or adjustments until operation of gate and lift is approved by COR.

END OF SECTION