140R3026Q0018_0001_-_Specifications_with_Track_Changes_0001.pdf

140R3026Q0018 - Pump Components Yuma Meadows Conservation Area Material and Equipment Specifications

Yuma Meadows Conservation Area Well Pumps Materials Specifications

INTRODUCTION

The Bureau of Reclamation (BOR), Lower Colorado Region, requires various pump components as described in this specification. The components and associated parts will be installed by BOR to ensure that a well pumping system works properly and is able to deliver water to the existing conservation areas.

QUANTITIES

1 Well Pump Components Description Quantity Unit

Floway 12DKL-01STG Vertical Turbine Pump in Cast Iron/Stainless Fitted Construction, 12" ANSI Discharge, Single Stage, Column 50’41.75’, Imp Dia. 7.41”, driven by 20HP, 3/60/460v, 1800 RPM Motor 1 EA Floway 16DKL-01STG Vertical Turbine Pump in Cast Iron/Stainless Fitted Construction, 12" ANSI Discharge, Single Stage, Column 5041.75', driven by 200HP, 3/60/460v, 1800 RPM Motor 1 EA

Contractor shall supply and deliver pump components to specified locations stated in the previous section. The contractor shall supply documentation ensuring compliance with these specifications. Delivered materials and equipment should include typical model accessories needed for installation (i.e. bolt packs, anchors, hardware, etc.).

1 Well Pump Components Pump and motor components are required to meet the following salient characteristics:

Vertical Turbine pump components are required to meet the following salient characteristics:

1. 16DKL and 12DKL bowls

i. 1780 rpm with bowl head at 80 feet and 40 feet respectively

ii. Target flow rate and 2200 gpm 850 gpm respectively

iii. Impeller Collet must be 316 stainless steel

2. Motor

i. 200 HP and 20 HP respectively

ii. 460 volt

iii. 3-phase

iv. 1780 rpm

v. Anti-rotation device included

3. Impeller(s) and bushings

i. Lead free bronze or brass

ii. Impeller collet must be 316 stainless steel

4. Spiders

i. Minimum six (6)

ii. Brass spiders

iii. Fit 12” diameter steel well casing

5. Column pipe

i. 12” diameter with 150 lbs flange on each end

ii. Maximum 10 feet in length i.iii. Column must be 4-10’ sections and 2-5’ sections ii.iv. Epoxy coated per ASTM F2831 iii.v. Standard steel

6. Shafts

i. Maximum 10 feet in length i.ii. Shafts must be 4-10’ sections and 2-5’ sections ii.iii. 316 stainless steel iii.iv. 1-11/16” diameter

SPECIFICATIONS

Pump Sizing Design—The Contractor shall be responsible for delivering the pumps and accessories per item identified in the specifications which are based on the conditions provided by the Government of Pump and Motor Design Criteria. The design of the pump and accessories, including bowl assembly, bearings and retainers, column sections and motors shall be submitted for review and approval to the CO and Contracting Officer’s Representative (COR). The Government shall have 14 calendar days to review the design and respond to the Contractor with any modifications or approval. The Contractor’s design and proposed equipment must be compatible with Reclamation’s existing Floway materials for ease of interchangeability on existing equipment and use with spare parts.

The final requirement design submittal package (including the pump design, pump curves) shall be stamped by a professional engineer certifying the designed pump will meet the Government’s supplied design parameters and specification requirements as listed in the SOW. Final materials for completed pumps below shall be supplied by the contractor as per the quoted line items. Additional equipment needed to complete the pump systems will be supplied by the government from spare parts purchased from Floway from an earlier contract. Contractor shall design the pump system and supply the O&M manuals per each assembly.

Vertical Turbine Pump – Bowl efficiency shall be a minimum of 81% or as approved by the government. The pump system must be designed as a product lube system and shall have the proper fit between components, i.e. no adaptation shall be required. Pump assemblies shall be designed with 5’ column pipes at the pump discharged head and the pump bowl assembly.

Bowl Assembly - The supplier shall furnish pumps with cast iron bowls and brass impellers. The bowls shall meet or exceed the requirements of ASTM A48 - 94, Class 30 cast iron. Bowl shafts shall be 316 Stainless Steel (SS) with a maximum .003" run out and threaded to match the line shafts. Brass impellers shall be accurately cast, machined, statically balanced, and filled for optimum performances. Impellers shall meet or exceed the requirements of ASTM B 584 – 90b alloy 838 and shall be of the enclosed or semi-open type. Tapered impeller collets and bolting shall be 316 SS. The water passages of the pump bowls shall be coated with a vitreous enamel lining or a fusion bonded epoxy to provide optimum performance. Pump bowls shall be permanently marked with a stainless-steel nameplate stating: the manufacturer’s name, model number, impeller, diameter, GPM and TDH. Contractor shall trim the impeller according to the requirements supplied by the government. All bowl assemblies including impellers, bowl casings etc. shall be interchangeable with existing Floway brand government owned equipment.

Supplied bowl assemblies shall be furnished with bronze bushings that meet or exceed the requirements of ASTM B505 – 91 alloy 932. Discharge case shall be product lube and flanged for 12” column pipe and comply with Weir Floway standard column dimensions. The adaptation to 12” must take place at the bowl assembly and not at the 1st section of column pipe. Discharge cases shall be fitted with bronze bushings that extend into the top bowl for maximum support. Suction case shall be threaded and suitable to add suction pipe should it be necessary and shall be fitted with bronze bushings that are grease lubricated with non-soluble grease. Suction bushings shall also be provided with a bronze sand collar supported by 316 fasteners to prevent abrasive material from entering the suction bushings. Suction case plug shall be of sufficient diameter to allow the suction bearing to pass through the plug threads. Bowl assembly shall be epoxy coated inside and out per below coating specifications. All supplied bolting hardware to make a complete pumping assembly shall be 316 SS.

Column Sections – Column sections shall be manufactured in lengths of 10’ sections for a standard assembly and 5” sections for bowl/head assemblies. All complete pump designs shall start and end with 5’ columns at the top and bottom of the pumping assembly. Column pipe shall be epoxy coated 12-inch steel column pipe having flanges meeting the dimensions in accordance to Weir Floway manufactures standard drawing.

Steel column pipe shall meet or exceed the requirements of ASTM A53- 99, grade B, type E or S. Flanges shall be machined concentric and parallel to each other for proper alignment of supporting spiders and shafting. Column shall be epoxy coated on inside and outside per below coating specifications. All supplied bolting hardware to make a complete pumping assembly shall be 316 SS.

Bearing Retainers and Bearings - Supplied spider bearing retainers shall be heavy duty industrial grade, ASTM B584 alloy 844 bronze for use in water lubrication systems. The pump bearing retainers shall be designed to a tolerance of .005" when installed in the pump column flanges. Bearings shall be fluted neoprene with a shoulder retainer and designed for use in a water lubrication system. The bearing and retainers shall be design for use with the column pipe and line shafts as required in this specification.

Motors – Motors shall be supplied with a C1045 motor shaft, bronze head nut and steel gib key. The head nut assembly shall have a positive lock down device to make sure the assembly does not back off. Motors shall be a vertical hollow shaft, premium efficiency, squirrel cage induction type. Motors shall operate below motor nameplate full load amps, over the entire range of the pump curve on all three phases. The motor shall have been in production by the manufacturer for a minimum of Ten (10) years. Motor manufacturer must have a service and warranty center with 100 miles of Yuma, AZ. Motors shall be designed to be installed on the pump head without use of an adaptor plate unless approved by the government.

Motors shall be 460-volt, 3 phase, 60 Hz, 1775 rpm and shall be NEMA WP-1 rated.

Motors shall be designed for continuous duty. The temperature rise of the motors shall be in accordance with the requirements for Class B. Motor shall be supplied with a 1.15 service factor. Ambient temperature rating shall be 50 degrees Centigrade at a maximum altitude of 3,300 feet. Motor insulation shall be class “F”. Motor shall be supplied with a conduit box with a grounding lug. Motor windings shall be copper with not less than 98% conductivity. Supplied motors shall come with 3 leads only. Leads shall be a minimum of 12" long with no lugs or other terminating fittings when available from the factory.

Supplied motors shall be suitable for full voltage starting. Motor bearings lubricated with grease shall be equipped with grease nipples and grease relief plugs. The motor bearings lubricated by oil shall be equipped with a sight gage and an accessible drain. Thrust bearings shall have a life rating of 40,000 hours minimum at the operating down thrust presented by the pump assembly. Motors shall be fitted with a non-reverse ratchet, ball bearing type.

Motors shall have an attached identification plate with the following information: (1) insulation class; (2) temperature rise class: (3) ambient temperature rating; (4) design class; (5) service factor; (6) horsepower; (7) number of phases; (8) voltage; (9) frequency; (10) frame size; (11) full load current; (12) full load RPM; (13) NEMA nominal efficiency and motor duty cycle. A short commercial test shall be performed on each motor by the contractor. Certified test data shall be provided for each motor and incorporated into the installation and operation manual. Motor shafts shall be sized to fit the supplied motor. If the motor shaft requires a different diameter than the pump line shaft contractor shall provide a coupler capable of accommodating the different motor and line shaft diameters. Pump supplier shall maintain the 1-11/16" diameter line shafts as specified above.

Coatings - Protective coatings shall be applied to the following pump components: (1) inside and outside diameter of mild steel column pipe; (2) inside and outside diameter of the bowl assembly. The areas to be coated shall be sandblasted to a near white blast (SSPC SP-10). The coating shall be NSF approved for potable water. The dry film thickness of the applied material shall be a minimum of 12 mils. The coating materials shall conform to regulations and applicable requirements of Local, State, and Federal air pollution and health regulatory agencies. Products containing perchloroethylene, lead, or chromium will not be permitted. The two component epoxy coating system shall be Bar- Rust 233H as manufactured by Devoe Coatings, 2625 Durahart Street, Riverside, California, 92507 or an approved equal meeting the following salient characteristics: (1) Type of paint - Modified Epoxy; (2) Approved ANSI/NSF Standard 61, potable water pipe coating; (3) Shelf life of 12 to 18 months unmixed in sealed containers; (4) Pot-life of 2.5 to 3.5 hours at 77Ε F; (5) Theoretical coverage shall be 1250 square feet per gallon per mil thickness; (6) Tack free surface shall be obtained in 2 to 3 hours at 73Ε F; (7) Can be applied in a single coat providing a dry film thickness of 20 mils or two or more coats providing a dry film thickness of 14 to 16 mils; (8) Cure time shall be 48 to 72 hours at 77Ε F; (9) Volume of solids shall be a minimum of 80% as determined by ASTM D 2697

- 86 (1998).

Offerors proposing to furnish an "equal" product, in accordance with the "Brand Name or Equal" provision of this Request for Quote, shall insert the following description for the product.

Product Name:

Manufacturer's Name: Address:

Product make, model, or catalog description:

Offerors shall also be responsible for submitting all additional information on the above product necessary for the Government to determine whether the product meets the salient characteristics of the “brand name” as listed in the Request for Quote.”

Well Pump Equipment Submittals - One (1) set of complete working detail drawings, performance curves and specifications covering each pump and motor shall be submitted.

Submitted information shall show all details and dimensions, thrusts, weights, and materials of construction. Performance curve shall show the head and corresponding capacity for the full pump range, efficiency, horsepower, NPSH, and K factor. Pump curves shall not be a “catalog curve” but shall be the actual operating curve of the impeller diameter for each of the well pumps and motors offered.

The following information shall be on each of the pumps when delivered and shall include the following: (1) Name of manufacturer; (2) Number of stages in pump; (3) Impeller material - ASTM specification; (4) Thrust load at design conditions; (5) Pump shaft material - ASTM specification; (6) Pump shaft size; (7) Bowl outside diameter; (8) Bowl material - ASTM specification; (9) Pump column outside diameter; (10) Wall thickness of column pipe; (11) Bearing retainer material- ASTM specification; (12) Column pipe bearing material – ASTM specification; (13) Line shaft material - ASTM specification; (14) Line shaft diameter; (15) Mechanical seal specifications; and (16) Performance curve.

O & M Manuals – Two (2) sets of O&M manuals, including installation and lubrication instructions, shall be furnished for each size of pump and motor supplied. The Contractor shall provide one copy in an electronic format and one hard copy in a binder for use by the Government. Instructions in the manuals shall include detailed information for installation and lubrication of the pumps and motors, adjustments, recommendations for the proper type of lubricants and parts list with part numbers and descriptions of material supplied. Installation and operation manual shall include pump and motor test data.

DELIVERY

Supplier shall deliver materials to the Yuma Area Office, 7301 S Calle Agua Salada, Yuma, AZ 85364. Supply equipment and materials boxed and palleted where possible.