Attachment 15 Example Scope of Work.pdf
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- Solicitation number
- 12805B24R0001
About this file
This document appears to be an Attachment 15 Example Scope of Work for a federal contract opportunity.
The scope of work describes the replacement of the fall protection system and repair of approximately 10% of the existing timber decking on a 1,060-foot long steel truss railroad bridge spanning the Yellowstone River. The new fall protection system will include 3/8" steel cable, 3x3x3/16" steel angles, connection plates, bolts, and replacement of damaged support beams. The decking repair work will involve demolishing and replacing 1,500 square feet of 4x12 Douglas fir timber decking using 5/16"x7" galvanized steel spikes. The work also requires installing four warning signs at the bridge ends.
This scope of work is related to a federal contract opportunity identified as the Job Order Contract (JOC) IDIQ at NBAF in Manhattan, KS, solicitation number 12805B24R0001, issued by the Department of Agriculture's Agricultural Research Service Field Research Implementation and Information Delivery Plains Area.
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Text version
Photo 1: Bridge overview
Photo 2: Existing condition of timber decking.
Photo 3: Existing fall protection.
1. Description of Work:
Background: The existing bridge is consists of a steel truss railroad type bridge system spanning the Yellowstone River. The bridge consists of four spans 265 feet long for a total length of approximately 1,060 feet. The fall protection system consists of two steel cables (approximately 3/8” diameter) supported by 3x3 (approximate) timber posts at an approximate spacing of 8 feet. The posts are attached to 3x12 (approximate) timber posts. The fall protection system exists on each side of the bridge and extends for the full length of the bridge. The timber deck consists of the main decking, which are 4x12, outside longitudinal deck, which is 4x12, longitudinal walkway, which is 4x10, and deck dividers, which are 4x10, timbers across the deck surface. The decking spans the entire length of the bridge and has an estimated square footage of 14,490 sq. ft.
Replace Fall Protection System
1. Contractor shall demolish the existing fall protection system and install new. New system shall include the following:
a. 3/8” steel cable.
b. 3x3x3/16steel angles, connection plates and bolts.
c. Replacement of damaged support beams with new.
d. Douglas Fir beams, 4x12.
e. The work also requires the furnishing and installation of four warning signs to be placed on the ends of the bridge (two each end). The signage shall state the following: “DANGER -No Pedestrian or Foot Traffic Allowed on the Bridge”.
Estimated quantities of material are provided below. Note the quantities shown are plan quantities and do not allow for waste, field cutting, standard material lengths, etc.
The contractor shall base their bid on actual performed field determined estimates.
• 3/8” Steel Cable 4,260 linear feet
• 3x3x3/16 Angle Posts 540 each
• Douglas Fir Beams 80 each
• Warning Signs 4 each
Repair Timber Decking
Background:
1. Contractor shall demolish and replace approximately 10% of the existing timber decking.
The new decking will consist of 4x12 Douglas Fir timber and 5/16”x7” galvanized steel spikes. Replaced deck boards shall be spiked with two spikes at each end of each board and two additional spikes at approximately 36 inches on center. The contractor shall field inspect the bridge to determine which timber members will need to be replaced as well as identify any loose or extruded spikes that need replaced. The deck ties will not be replaced.
Estimated quantities of material are provided below. These quantities are based on the estimated replacement of approximately 10% of the deck surface. Note the quantities shown are plan quantities and do not allow for waste, field cutting, standard material lengths, etc. The contractor shall base their bid on their field determined estimates.
• 7”x5/16” Galv. Steel Spike 1,000 each
• Douglas Fir Replacement Decking 1,500 square feet of 4x12
| Attach 01 SOW Fall Protection and Timber Repair Replacement on Bridge |
| 1. Description of Work: |
Attach 02 Drawing Final Fall Protection
File details come from the government source that posted it. Updated .