331219-Water-hydrant.pdf

LOST LAKE CAMPGROUND 331219-1

WATER SYSTEM WATER HYDRANTS

SECTION 331219

WATER HYDRANTS

PART 1 – GENERAL

1.1 SUMMARY

A. Provides for furnishing and installing accessible water hydrants in the campground and trailhead areas.

1.2 LOCATION

A. General location and orientation of all hydrants are shown on the drawings.

B. Exact location and orientation shall be approved by the Contracting Officer (CO).

1.3 SUBMITTALS

A. Manufacturer's literature for faucets, hose bib, and vacuum breakers.

B. Certification that riprap meets the gradation requirements of this section.

PART 2 - PRODUCTS

2.1 POST

A. Treated timbers for walls, steps, border, and edger shall be rough sawn #2 grade or better Ponderosa Pine or equal, landscape timbers shall be brown and not green in color, uniform in size, straight, and free from sweep and crook. The timbers shall be treated with ACQ (Alkaline Copper Quaternary), CBA (Copper Boron Azol), or approved equal, to a net retention of 0.4 lbs. per cu. ft. Sizes as shown on drawings.

B. The top of the post shall be sloped as shown on the drawings. All field cuts or abrasions and holes made in fabricated timbers after treatment shall be given 3 brush coats of 2% copper Napthanate.

C. Handling Precautions: Wear protection such as dust masks, goggles, and gloves when sawing treated lumber.

2.2 PIPE AND FITTINGS

A. Galvanized steel pipe, Schedule 40 as specified in Division 33 Water Distribution.

LOST LAKE CAMPGROUND 331219-2

2.3 WATER FAUCET [RE-USE EXISTING SALVAGED FAUCETS]

A. Self-closing bibb faucet with plain end. Plain end means no threads, so a garden hose cannot be attached to the end.

B. Extended "paddle" type handle for accessibility. Operation of handle shall require less than 3.5 lbs pressure for operation.

C. Equipped with integral 2.5 gpm flow controller assembly.

D. Finish shall be non-chromed brass. Brass shall be lead free and suitable for dispensing potable water.

E. Faucet shall be Model No. 6252-EHLF with a 4-inch elbow lever handle, as manufactured by Haws Corporation, Sparks, NV, (775) 359-4712, or approved equal.

Salient features: self-closing, spring valve faucet, and accessible paddle-type handle.The flow controller assembly shall consist of 3 different parts that shall be assembled together at the factory: Coupling part no. 0001946369; Flow Controller part no. 0002479000; washer part no. 0006631022.2 by Haws Corporation, Sparks, NV or approved equal.

2.4 HOSE BIBB

A. Wall faucet for non-freezing area, model 21CP, ½” MPT outside threads, brass finish, with polycarbonate wheel handle and loose tee key, as manufactured by Woodford

Manufacturing Company, Colorado Springs, Colorado, (719) 574-1101 or approved equal.

B. Provide tee keys and wheel handles to the Contracting Officer.

C. Provide vacuum breakers for each hose bibb.

2.5 VACUUM BREAKER

A. Brass finish, removable ¾” hose thread female inlet x ¾” hose thread male outlet hose connection type anti-siphon vacuum breaker, self draining upon shutoff, maximum pressure 125 psi, model no. 59ABP, “Freeze-tector” Self Draining Vacuum Breaker, as manufactured by Arrowhead Brass Products Inc., Los Angeles, CA (323) 221-

9137, or approved equal.

2.6 CONCRETE HYDRANT PAD

A. Concrete as specified in Division 3 Cast-in-Place Concrete.

B. Aggregate base as specified in Division 32 Aggregate Base Course.

LOST LAKE CAMPGROUND 331219-3

2.7 RIPRAP

A. Stone for riprap shall be hard, dense, durable, round in shape and resistant to weathering. Individual stones shall have dimensions of 4”-6”. Source for stone shall be rocks uncovered on site during construction operations or from an approved off-site source.

PART 3 - EXECUTION

3.1 WATER HYDRANTS

A. Install hydrants as shown on the drawings.

B. Wood posts shall be cut and drilled to the lengths and chamfered, as shown on the drawings. All posts shall be pressure treated with wood preservative. All field cuts, abrasions, and holes made in the timbers after treatment shall be given three (3) brush coats of field cut treatment specified above.

C. The post and riser pipe shall be placed in the trench, plumb and to the elevations shown on the drawings, backfilled and compacted with subsequent backfill as specified in Division 31 Structural Excavation, Backfill and Compaction.

D. Elevation of edge of concrete pad or riprap shall be the same as adjacent finished surface of edge of road, spur, or trail. Pads not meeting this requirement shall be removed by the Contractor and replaced at no cost to the Government. Backfill and fine grade around the outside of the pad.

E. Place riprap at each hydrant location as shown on the drawings. Rock shall be secure and flush with the top of the concrete slab.

END OF SECTION