steel shotblasting specifications02032016.pdf
PDF 23 KB Posted
- Attached to
- Steel Shot Blast on Bridge Decks
- Solicitation number
- 6100037213
- Issued by
- Lycoming County, Morrisdale CDP, Pennsylvania
About this file
This document is a Statement of Work for a steel shotblasting contract opportunity for bridge deck preparation. The contract is being offered by the Department and requires furnishing a shotblasting machine, cleaning and profiling concrete bridge deck surfaces for application of an epoxy overlay by Department personnel. The equipment must be gasoline, diesel, propane, or electric-powered, and the only allowed consumable material is steel shot ranging from S-330 to S-550 size. The contractor is responsible for cleanup of the steel media, with a minimum production rate of 350 sq ft/hr. Visual inspection of the prepared deck should achieve a surface profile between 5 and 7, and a brush blast may be required on day 2 prior to epoxy overlay application. The Department will provide traffic control.
Payment will be based on the square foot of work authorized and satisfactorily performed, with the contractor required to submit a Confirmation of Service Form within 48 hours. No other pricing terms, set asides, incumbents, or funding sources are provided.
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| File | Type | Posted |
|---|---|---|
| OS-34Shot Blast.pdf |
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Text version
Statement of Work
STEEL SHOTBLASTING FOR BRIDGE DECKS
Provision Body:
I. DESCRIPTION - This work is furnishing a machine, cleaning and profiling concrete deck surfaces for application of an epoxy overlay by Department personnel.
II. EQUIPMENT AND MATERIAL -
(a) Equipment - Shotblasting machine: Gasoline, Diesel, propane or electrically-powered units.
• Power source for the electric powered units.
• Brooms and shovels.
• Spare parts for “Blaster” maintenance.
• Magnets or magnetic broom to retrieve fugitive steel shot.
(b) Material – Steel shot is the only allowed consumable material. Steel shot size ranges from S-330 to S-550 as per the ICRI Guideline No. 03732
III. CONSTRUCTION –
(a) Cleanup. Steel media may not remain on the bridge deck. It shall be recovered by using magnets, magnetic broom, air blast, vacuum or stiff bristle broom.
(b) Mechanical grinding will be required along both left and right gutter lines/parapet.
(c) Production rates. Minimum production rate per unit shall be 350 ft 2/ hr.
(d) Visual inspection. The prepared bridge deck should have a surface profile between 5 and 7 as per the ACI 515.1R
(e) Brush Blast. After the initial shotblasting, (day #1), an inspection on the following day #2 will be completed to determine if any deleterious material exists that would require a brush blast.
An epoxy overlay will be placed on day #2. In the event a detour could not be implemented the same process, (evaluation for the brush blast need), would occur on the following day #3 to complete the half-width process.
(f) Traffic control will be provided by the Department.
III. PAYMENT -
(a) Square Foot. Square foot cost includes mobilization and stand-by time
(b) Confirmation of Services Form (See attached form)
Vendor must submit a “Confirmation of Service Form” (OS-501) for units of work authorized and satisfactorily performed to the County in which the work was performed. Instructions for completing the form are attached. This form must be completed and e-mailed to the Purchasing Agent within 48 hours of the service being performed.
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