9.0 Section H - Performance Specifications.pdf
PDF 275 KB Posted
- Solicitation number
- SPD126-SPDAD-6225
- Issued by
- San Bernardino County, California
About this file
This is a Performance Specifications document for San Bernardino County Service Area (CSA) 70 GH, detailing the supply, delivery, and installation of clarifier components and drive units for a wastewater treatment facility in Glen Helen, San Bernardino, California (Project No. 30.30.0197). The project scope encompasses the furnishing of labor, materials, equipment, and incidentals necessary to complete installation and startup of rectangular and bridge-mounted clarifier systems. Specific products to be supplied include rectangular clarifier components manufactured by Rebuild-it Services Group (RSG) with dimensions of approximately 140' x 20', featuring sprockets, chains, fiberglass-reinforced plastic (FRP) flights, ultra-high-molecular-weight (UHMW) materials, and stainless steel hardware; a bridge-mounted RSG BM12 clarifier drive unit sized for a 30-foot diameter clarifier with a 5,000 ft-lb torque rating and 0.10 RPM output speed; and environmental components from Allied-Locke Industries (Dixon, Illinois) including structural elements, bearings, clarification and skimming equipment, and wear components. Installation labor includes site visits for field measurements, mobilization and demobilization, removal of existing components, leveling and plumbing operations, and field service startup and checkout procedures utilizing crane and rigging equipment.
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; labor costs for replacement under warranty are excluded. The contract lump sum price for mobilization includes full compensation for all associated labor, materials, tools, and equipment, with no additional compensation permitted for mobilization or demobilization costs related to weather delays or cold weather production losses. Product specifications reference industry standards including AGMA Standards for gear drives, NEMA 4X enclosure standards, SSPC-SP6 surface preparation guidelines, 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
03.1 RECTANGULAR CLARIFIER COMPONENTS (Glen Helen Plant)
Manufacturer: Rebuild-it Services Group (RSG)
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 (Allied-Locke Industries)
Manufacturer: Allied-Locke Industries
Location: 1088 Corregidor, Green River Industrial Park, Dixon, IL 61021
Contact: 800-435-7752 | info@alliedlocke.com
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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