9.0 Section H - Performance Specifications_1.docx

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Attached to
CSA 70 GH - Lytle Creek North Rotor Assembly & Scum Skimmer
Solicitation number
SPD126-SPDAD-6225
Issued by
San Bernardino County, California

About this file

This Performance Specifications document outlines equipment and installation requirements for the CSA 70 GH Lytle Creek North Rotor Assembly & Scum Skimmer project managed by San Bernardino County Department of Public Works Special Districts at the Glen Helen wastewater treatment facility. The project encompasses the supply, delivery, and installation of clarifier components and drive units for rectangular and bridge-mounted clarifiers, including a 40-ton VDS sprocket assembly, non-metallic collector and drive chains, FRP flights, UHMW wear components, and a RSG BM12 bridge-mounted clarifier drive unit rated at 5,000 foot-pounds of torque with a 17,442:1 gear ratio. The rectangular clarifier dimensions are approximately 140 feet by 20 feet, and all equipment is to be supplied by Veolia Water Technologies or an equal manufacturer. Installation labor includes site measurements, mobilization and demobilization, removal of existing components, equipment installation, leveling, plumbing, crane and rigging operations, and field service startup and checkout. A mandatory pre-bid meeting is scheduled for January 15, 2026, at the project site located at 19250 Institution Road, San Bernardino, with sealed bids due January 29, 2026, at 2:00 p.m. The total project completion timeline is 260 calendar days from the Notice to Proceed.

All equipment and components are warranted for a minimum of two years from startup or 2.5 years from shipment, whichever occurs first, with warranty coverage limited to defects in materials and workmanship excluding replacement labor. Bidders must hold a current California Class A Contractor's License and demonstrate relevant experience by listing at least three similar projects completed within the last five years. The contract requires comprehensive insurance coverage including General Liability ($1,000,000 minimum), Automobile Liability ($1,000,000), Workers' Compensation, and Builder's Risk insurance. Liquidated damages are assessed at $2,500 per calendar day for work extending beyond the completion period, with performance and payment bonds each required at 100% of the contract sum. All bidders and subcontractors must be registered with the California Department of Industrial Relations prior to bid submission, and prevailing wage regulations apply throughout the project. The specifications reference manufacturer standards including AGMA standards for gear drives, NEMA 4X enclosure standards, SSPC-SP6 surface preparation, and ASTM standards for stainless steel hardware and UHMW materials.

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SECTION H

PERFORMANCE SPECIFICATIONS

CSA 70 GH LYTLE CREEK

NORTH ROTOR ASSEMBLY &

SCUM SKIMMER

FOR

COUNTY SERVICE AREA (CSA) 70 GH

SAN BERNARDINO, CALIFORNIA

PROJECT NO.: 30.30.0197

PERFORMANCE SPECIFICATIONS

01. MOBILIZATION

Mobilization shall consist of preparatory work and operations, including, but not limited to, those necessary for the movement of personnel, equipment, supplies and incidentals to the project site; for the establishment of all offices, buildings and other facilities necessary for work on the project; and for all other work and operations which must be performed or costs incurred prior to beginning work on the various contract items on the project site.

The contract lump sum price paid for Mobilization shall include full compensation for furnishing all labor, materials, tools, equipment and incidentals, and for doing all the work involved in mobilization as specified herein. No additional compensation will be allowed for additional mobilization/demobilization costs due to weather days or loss of production due to cold weather.

02. SCOPE

This specification covers the supply, delivery, and installation of clarifier components and drive units for rectangular and bridge-mounted clarifiers at San Bernardino County waster water treatment facility in Glen Helen, San Bernardino. The work includes furnishing all labor, materials , equipment, and incidental necessary to complete the installation and startup of the systems as described herein.

02.1 REFERENCES

- Agma Standards for gear drives

- NEMA 4X enclosures standards

- SSPC-SP6 surface preparation

- ASTM standards for stainless steel hardware and UHMW materials

03.PRODUCTS
03.1RECTANGULAR CLARIFIER COMPONENTS (Glen Helen Plant)

Manufacturer: Veolia Water Technologies or Equal Clarifier Dimensions: Approx. 140’ x 20’ Components to be Supplied:

· 40T VDS sprocket, 78 chain, bore with keyway and set screws (split, SS hardware)

· 17T 720 sprockets with chain saver rim

· 11T shear pin sprocket (6061 T6 Aluminum)

· FRP flights (8” x 19’9”) with 10-hole, 2 Dap pattern

· NM 720S non-metallic collector chain (6”, F228 attachment every 10 ft)

· NH78 non-metallic drive chain (2.6” pitch)

· UHMW floor and return shoes with lugs

· UHMW wear strips and 316SS hardware

· Wall bearings, filter blocks, static sleeves

· Engineering drawings and 2-year warranty

03.2 BRIDGE-MOUNTED CLARIFIER DRIVE UNIT

Drive Unit: RSG BM12 Clarifier Size: 30’ diameter bridge-mounted clarifier Drive Unit Specification:

· Torque Rating: 5,000 ft-lb

· Gear Ratio: 17,442:1

· Output Speed: 0.10 RPM

· Input Speed: 1750 RPM

· Efficiency: 86%

· Direct shaft mount reducer

· Load cell with NEMA 4X torque display

· Rain guard, adapter, and lubrication

· Premium 3-layer coating system

· 2-year warranty

03.3 ENVIROMENTAL COMPONENTS (Veolia Water Technologies or Equal) Manufacturer: Veolia Water Technologies or Equal Location: 1500 Garner Road, Suite C, Raleigh, NC 27610 Contact: 919-653-4557 Application:

Components are used in rectangular clarification systems for water and wastewater treatment, suitable for both new installations and refurbishments.

Available Components Include:

- Structural & Motion: Anchor plates, shafts, sprockets, drive chain, collector chain, drive units

- Bearings: Flanges bearings, pillow block bearings, wall bearings, peak cap bearings

- Clarification & Skimming: Flights, scum skimmers, scum pipe, weirs

- Support & Wear: Chain take-ups, chain tensioners, chain tighteners, wear shoes, wear strips, static sleeves

- Miscellaneous: Jaw clutch and hand wheel assemblies, stainless steel hardware, grating, wall brackets, set collars, filler blocks

04.0 EXECUTION

04.1 INSTALLATION – RECTANGULAR CLARIFIER

Labor Scope Includes:

· Site visit for field measurements

· Mobilization and demobilization

· Removal of existing components

· Installation of new RSG-supplied components

· Leveling and plumbing of clarifier

· Use of crane, rigging, and safety equipment.

04.2 INSTALLATION – BM12 DRIVE UNIT

Labor Scope Includes:

· Site Visit and field

· Removal of existing Winsmith drive

· Installation of BM12 drive unit

· Oil fill, leveling, rigging

· Field service startup and checkout

· Mobilization

05.0 WARRANTY

All equipment and components shall be warranted for a minimum of 2 years from startup or 2.5 years from shipment, whichever occurs first. Warranty covers defects in materials and workmanship. Labor for replacement under warranty is not included.

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