Y25-140-KC,_Water_Pipes,_Valves_and_Fittings_Specifications.pdf

Invitation for Bids #Y25-140-KC Title: Water Pipes, Valves and Fittings

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SPECIFICATIONS

1. GENERAL

A. The Contractor shall provide materials and installation standards for pipes, fittings, valves and appurtenances, as applicable to water installations.

B. The data included herein generally makes no reference to the service utilization for the items specified and is to be used as the standards for approved materials indicated under specific facility installations.

C. All items shall meet Orange County Utilities Division Standards and Construction Specification Manual, Appendix D, List of Approved Products - 2021, without exception, unless specified “or approved equal” on the Fee Schedule for that item.

The Orange County Utilities Division Standards and Construction Specification Manual, Appendix D, List of Approved Products - 2021, as referenced above, may be found at the following website address:

https://www.orangecountyfl.net/PlanningDevelopment/UtilitiesPlanningandConstr uction.aspx

D. Miscellaneous items contained in the Fee Schedule, not specified in Orange County Utilities Division Standards and Construction Specification Manual, Appendix D, List of Approved Products – 2021, shall be consistent with industry standards for the applicable item.

2. DELIVERY TIME REQUIREMENTS

A. All materials shall be delivered during standard working hours (Monday – Friday, 7:00am – 3:00pm) unless otherwise authorized by Department Representative.

B. The Contractor shall indicate an estimated delivery date in the quote provided to the County and shall be subject to County authorization on a per-order basis.

C. Delivery time shall be calculated from the receipt of the County’s Delivery Order.

D. In-stock items shall be delivered within 24-hours. The Contractor shall confirm their ability to meet this timeframe at the time of quote.

E. The Contractor is responsible for adhering to the quoted delivery commitments unless otherwise approved by the County.

https://www.orangecountyfl.net/PlanningDevelopment/UtilitiesPlanningandConstruction.aspx https://www.orangecountyfl.net/PlanningDevelopment/UtilitiesPlanningandConstruction.aspx

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3. PIPES AND FITTINGS

A. General: All pipe and fittings shall be clearly marked with the name or trademark of the manufacturer, the batch number, the location of the plant and strength designation, as applicable.

B. Ductile Iron:

1. Ductile Iron (D.I.): Pipe shall be in accordance with American National Standards

Institute (ANSI) Standard A21.51, minimum thickness for 3” to 12” class 350 / 14” to 24” class 250 / 30” to 64” class 200, unless heavier class is required for design conditions.

2. Fittings: Cast and ductile iron pipe fittings shall conform to ANSI Standard A21.53 and A21.10, 150 psi minimum pressure rating. (In accordance with American Water Works Association (AWWA) standards).

3. Joints:

a. "Push-On" and mechanical type joint shall be in accordance with ANSI Standard A21.11.

b. Restrained joint assemblies (with mechanical joint pipe) shall be ductile iron Mechanical Joint Retainer Glands in accordance with ANSI Standard A21.11 and A21.10

c. Flanged connections shall be in accordance with ANSI Standard B16.1, 125

lb. standard. Full faced type rubber gaskets of an approved quality equal to "Rainbow" gaskets 1/8 inch thick, as manufactured by U.S. Rubber Company, shall be used. Bolts and nuts shall be Grade B conforming to the American Society for Testing and Materials (ASTM) Designation A307, for Steel Machine Bolts and Nuts and Tap Bolts.

4. Coatings and Linings:

a. Cast and ductile iron pipe and fittings for water service shall receive an exterior bituminous coating as specified herein and shall be cement mortar lined and bituminous sealed in accordance with ANSI Standard A21.4.

b. Pipe and fittings scheduled for field painting shall not receive an exterior bituminous coating. Instead, the pipe and fitting exterior shall be cleaned thoroughly and given one shop coat and applied in accordance with paint manufacturer's recommendations.

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c. Machined surfaces shall be cleaned and coated with a suitable rust preventive coating at the shop immediately after being machined.

C. Polyvinyl Chloride (PVC):

1. Pipe and fittings for water pipe shall be manufactured from clean virgin Type I, Grade I rigid unplasticized polyvinyl chloride resin conforming to ASTM Designation D1784. Pipe and fittings of this material shall conform to ASTM Designation D1875. The pipe shall bear the National Sanitation Foundation (NSF) seal for potable water pipe. Pipe shall have a standard dimension ratio (SDR) of not more than 21, if design consideration required. AWWA C 900 DR 18 where applicable.

Connections for pipe 1 1/2" in diameter and larger shall be rubber compression ring type. Pipe shall be extruded with integral thickened wall bells without increase in SDR. Rubber ring gaskets shall consist of synthetic compounds meeting the requirements of ASTM Designation D1986, and suitable for the designated service. Other connections shall be solvent welded sleeve type joints.

D. Steel – Galvanize and brass, as required for the service application.

1. Pipe shall conform to AWWA C202, Grade A, minimum. Pipe shall be galvanized, in accordance with ASTM Designations A120 & A123.

2. Fittings and connections shall be screwed as required for the applicable service.

Screwed fittings shall be malleable iron designed for minimum working pressure of 150 psi, and shall conform to ANSI Standard B16.3, with a minimum working pressure of 150 psi.

3. Galvanizing for steel pipe shall be in accordance with ASTM Designation A120 and

A123.

4. Brass - fittings shall be brass, cast and machined in accordance with specifications in AWWA C800 and AWWA C901, with compatible polyethylene tubing connections.

E. Polyethylene Plastic Pipe: Pipe or tubing shall comply with ASTM Designations D-

1248 (Materials), D-2239 (Pipe) and D-2737 (Tubing), be approved for potable water service by the National Sanitation Foundation (NSF) and bear NSF seal. The product shall be rated for a minimum working pressure of 150 psi and the Standard Dimension Ratio (SDR) of 9 for copper tube size. Fittings shall be brass, equipped with compression type connections.

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F. Special Items:

1. Expansion Joints: Pipe expansion joint shall be suitable for the applicable service with a minimum 150 psi working pressure and shall be Style No. 500, as manufactured by Mercer Rubber Co., or approved equal.

2. Flanged Coupling Adapters: Units shall be as manufactured by Smith Blair, South San Francisco, California, or approved equal, with Type 912, for pipe sizes to 12 inches; and Type 913, for larger sizes; and shall be compatible with ANSI Standard B16.1, 125 lb. flanges.

3. Cast Couplings: Units shall be all epoxy steel fusion coated with stainless steel bolts as manufactured by Smith Blair., or approved equal, as follows: Type 411 for CL 200 PVC (connecting equal outside diameter); and Type 411 for A.C. to D.E.

(connecting equal size pipes with variations in outside diameter)' and Type 411 for DL 50 D.I. and C.I. Gaskets shall be suitable for the applicable service conditions.

4. Cast Iron Sleeves and Wall Pipes: Units shall have integral annular ring water stops, and conform to other requirements for cast iron fittings as specified.

Sleeves and wall pipes shall have laying length and ends required for proper installation.

5. Tapping Sleeve: Units shall be fabricated for ductile iron and PVC suitable for either wet or dry installation and shall be as manufactured by American Cast Iron Pipe Company, or approved equal. Outlet flange shall be ANSI B16.1, 125 lb.

standard. Bolts shall be corrosion resistant, high strength alloy (AWWA C-111, ANSI AZ1.11).

6. Tapping Saddle: Units shall be fabricated of minimum 3/8” carbon steel meeting

ASTM A285 Grade C. Outlet flange shall meet AWWA C-207, Class “D” ANSI 150

lb. Drilling and be properly recessed for tapping value. Saddle shall have manufacturer applied fusion bonded epoxy coating, with stainless steel bolts, JMC Industries model #412, or approved equal.

7. Service Saddles: Saddles shall be as manufactured by Smith Blair, or approved equal. Units for cast or ductile iron PVC CL 200, and asbestos-cement pipe shall be double stainless-steel strap, ductile iron, nylon coated body with stainless steel bolts, Type 317. Sealing gaskets shall be suitable for the applicable service.

Brass service saddles for Ductile iron and PVC shall be O.D. controlled.

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8. Polyethylene Encasement: Encasement shall comply with the applicable provisions of ANSI Standard A21.5, "Polyethylene Encasement for Gray and Ductile Cast-Iron Piping for Water and Other Liquids".

4. VALVES

A. General: The valve type, size, rating, flow direction arrow, if applicable, and manufacturer shall be clearly marked on each unit. Valves shall open left (counterclockwise), with an arrow cast in the metal of operating handwheels and nuts indicating the direction of opening.

B. Gate Valves (GV):

1. Underground Service (2” - 24”): Valves shall have non-rising stem 2-inch square operating nut, O-ring above and below stem collar. Thrust washer shall be above and below the stem collar also. All outside surfaces of ferrous parts are protected with manufacturers applied fusion bonded epoxy coating. All interior surfaces of ferrous parts are protected with epoxy. All valves shall be of resilient wedge design.

2. Above Ground Service (General): Valves shall be iron body, bronze mounted gate valves, conforming to AWWA C-500, solid wedge (sewage). Flange gate valves (water) shall be iron body with resilient wedge equal to AWWA Spec C-515. The valve shall be of the outside stem and yoke variety (OS&Y) and Underwriters Laboratory/Factory Mutual (UL/FM) approved 125 lb. flanged. Valves shall have cast iron handwheels or chain operators with galvanized steel chain.

3. Tapping Valves: Tapping valves shall be iron body with resilient wedge equal to

AWWA Spec C-515. Valves shall have mechanical joints and tapping flange with centering rings on flange end. Valve shall have 2-inch operating nut, 125 lbs.

flange.

4. Valves 2 inches and Smaller: Valves shall be bronze, wedge disc, non-rising stem type, 150 psi minimum working pressure, equipped with wrought steel, aluminum, or cast iron operating handwheels. Valves shall be American Valve WWV54D, Type 1, Class A, or approved equal.

5. Actuators: Valves 16 inches and larger shall be equipped with approved gearing actuators, with sealed enclosures for buried or submerged service, and shall be furnished by the valve manufacturer. Position indicators shall be furnished as required.

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6. Horizontal Installation: Valves 16 inches in diameter or larger, to be installed horizontally, shall be additionally equipped as specified under the applicable Section of AWWA C-500 and as follows:

a. Installed in vertical pipe with horizontal stem shall be fitted with approved slides, tracks and shoes to assist the travel of the gate assembly.

b. Installed in horizontal pipe with horizontal stem shall be equipped with approved roller, tracks and scrapers to assist the travel of the gate assembly and to clear the track of obstructions.

C. Check Valves (CV):

1. General Services: Valves shall be iron body, bronze mounted, epoxy fusion coated stainless steel hinge pin, swing non-slam type, and equipped with removable inspection covers. Valve ends shall be either flanged or mechanical joints as specified. Units shall be rated for 150 psi minimum working pressure and shall permit full flow area equal to that of the connecting pipe. Valves shall comply with

AWWA C-508.

2. Valves 2 Inches and Smaller: Valves shall be bronze body and disc, swing check type, and with thread ends, removable inspection covers, and rated for 150 psi minimum working pressure. Valves shall be Crane No. 37, or approved equal.

D. Butterfly Valve: “Shut-Off” valves 16” and larger shall conform to the AWWA standard specifications for rubber seated butterfly valves, designation C504. Valve shall be constructed of close grain cast iron per ASTM A126, Class “B” or equivalent material.

All retaining segments and adjusting devices shall be corrosion resistant materials.

Valve seat shall be natural rubber or synthetic rubber compound. Valves 24” and smaller shall have bonded or mechanically restrained seats as outlined in AWWA C504. Valve operators shall conform to the requirements of AWWA standard specification for rubber seated butterfly valves, designation C504.