Dock Leveler and Replacement Dock Bumpers - Scope of Work~3.docx
DOCX document 20 KB Posted
- Solicitation number
- 25-444DHS-MENTH-B-48334
- Issued by
- St. Clair County, Illinois
About this file
This document is a Scope of Work for a dock leveler and dock bumper replacement project at Chester Mental Health Center, issued under contract number 25-444DHS-MENTH-B-48334. The project involves removing and replacing a manual edge of dock leveler with a new hydraulic pan dock leveler and replacing ten existing dock bumpers. The new dock leveler specifications include a 12-inch operating range, 20,000-pound rating, hydraulic support, multi-spring counterbalance system, safety features, and specific electrical and control requirements. The installation will require demolishing existing concrete, creating a new equipment pit sized between 72-74" wide and 62-72" long, and installing electrical components with specific mounting instructions.
The project requires precise installation of the dock leveler and bumpers, with specific technical requirements for equipment, mounting hardware, and electrical connections. The contractor is responsible for complete installation, including concrete work, electrical wiring, and equipment mounting, with the facility's electrician providing power to the disconnect switch. The replacement bumpers will be installed using zinc-coated steel wedge anchors, nuts, and washers, with specific dimensional requirements for top and bottom row bumpers. No specific pricing, funding sources, or contract term details are provided in the document.
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Text version
25-444DHS-MENTH-B-48334
Dock Leveler & Replacement Dock Bumpers Scope of Work
Chester Mental Health Center is seeking the replacement of a manual edge of dock leveler with a hydraulic pan dock leveler. Project entails removal and disposal of the existing equipment.
Dock Leveler
Operating range of 12 inches (plus and minus) Rating of at least 20,000 lbs.
Structural steel I-Beam deck support Structural channel rear frame support Full width rear hinge mounted in compression (not shear) Hydraulically supported, fully yieldable Multi-spring counterbalance system Permanently installed night locks Grease fittings on front hinge tubes Cross traffic safety legs Full range toe guards 16” lip NEMA 12 Controls (interlock capable) Single phase motor 115 motor voltage Single push button operation Powered lip extension and retraction Aircraft grade hydraulic fluid 4 1/2” D x 20” H x 11” W laminated bumpers 4-sided pan Above dock bumper brackets Cold weather oil
The pit size shall be sized according to equipment manufacturers instructions and shall fall within the specs listed below:
· Width 72-74”
· Length 62-72” (space on loading dock is limited)
· Height at front 24”
· Height at rear 23 ½”
Provide and install a dock leveler in accordance with manufacturer instructions.
Demo existing concrete for new equipment pit and create channels for concealing PVC conduit.
Provide and install electric controller and disconnect switch. Controller shall be mounted on existing concrete dock pillar. Controller panel shall be weather resistant design and mounted on North-West side. Disconnect switch shall be mounted on exterior wall. Facility electrician shall provide power from the building to the wall mounted disconnect switch. Contractor is responsible for all wiring from the disconnect to the equipment and controller. PVC conduit shall be used to protect all wiring routed through concrete. Rigid metal conduit shall be used for connections between the disconnect, controller, and dock surface.
Provide and pour pit concrete without the use of hardener. Fill in conduit channels with concrete after wiring is complete. Concrete surface shall be smooth and level to match existing concrete surface.
Existing dock height is 42” and the dock approach is sloped.
Replacement of existing dock bay bumpers (x10) Top row bumpers 4 ½”x36”x11 (x10) Bottom row bumpers 4 ½”x36”x6 ½” Existing dock bumpers shall be removed and disposed of by contractor. Existing wedge anchors shall be removed or cut off flush.
Replacement bumpers shall each be installed using (4) 4 ¼” L x ¾” OD zinc coated steel wedge anchors, (4) nuts, & (4) washers. Bumper shall include angled mounting hardware with at least (4) mounting holes per bumper with ¾” diameter.
File details come from the government source that posted it. Updated .