Attachment- 35 01 Bonham EHRM- Narrative.pdf
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- Solicitation number
- 36C77624B0007_1
About this file
This document contains an opinion of probable cost narrative and cost estimate for infrastructure upgrades to the Bonham VA Medical Center in Bonham, Texas. The upgrades include expanding and upgrading the facility's fiber network, designing a new data center and 20 telecommunications rooms, upgrading HVAC and electrical systems, and conducting asbestos abatement. The estimated construction period is 14 months. The cost estimate was derived from RS Means data and manufacturer pricing. The narrative outlines the project scope, assumptions, exclusions, contingency factors, overhead and profit allocations.
The related federal contract opportunity is a solicitation seeking a general contractor to provide the infrastructure upgrades described above at the Bonham VAMC. The period of performance is approximately 365 days from notice to proceed. The contract value is estimated between $10-20 million. The solicitation is a total SDVOSB set-aside to be awarded using FAR Part 14 sealed bid procedures. Questions must be submitted in writing by the stated deadline. The soliciting agency is the Department of Veterans Affairs Technology Acquisition Center in Austin, Texas.
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Text version
VA PROJECT NUMBER
PROJECT NAME
VA 549A4-21-700
Bonham EHRM Infrastructure Upgrades
SUBMITTAL 100% Construction Documents SUBJECT Cost Estimate
OPINION OF PROBABLE COST
1. OVERVIEW
A. The attached Opinion of Probable Cost (OPC) is preliminary in nature and should not be considered exact, nor be utilized for financing. This opinion of probable cost is based on RS Means 1Q23 cost data, historic data, certain assumptions and plans available from designers and consultants. Actual construction bids may vary significantly from this opinion of probable cost due to timing of construction, changed conditions, labor rate changes, final design details or other factors beyond the control of Spur design. An inflation factor may need to be added to this opinion of probable cost to compensate for market conditions at the time of bid.
2. ANTICIPATED CONSTRUCTION DURATIONS AND PHASING
A. Contractor Mobilization
1. It is assumed that a single mobilization is required. The contractor is expected to be able to work continuously throughout the construction time frame.
B. Area Available for Work
1. The client estimates that the job site and surrounding areas will be available at all times for the
General Contractor.
C. Site hygiene/construction dust
1. This jobsite will be cleaned by the GC on a daily basis. All ICRA requirements will be met per the Construction Documents.
D. Noise Levels
1. The required work will have some significant noise at times. This is expected to last for up to 90 days.
E. Construction Time Frame - The estimated time for actual construction activities is approximately 14 months. However, due to the volatile construction market, this could take longer as lead times for equipment have increased dramatically.
3. INCLUSIONS
A. See individual breakdowns below
4. ASSUMPTIONS
A. The entire work area will be available to the GC at the start of construction.
5. SCOPE OF WORK ESTIMATED
A. The scope of work estimated is as described in the engineering and architectural design documents, and design narrative.
6. METHOD OF OPC DERIVATION
A. The OPC was derived using 2023 RS Means National Average cost data for Division 1-33 work where available and by obtaining manufacturer pricing for items not included in RS Means. A current database was also a source of pricing. If the RS Means Online database was used, they included overhead and profit and the 2023 Denton, TX multipliers were used for each respective division. If local quotes were used for materials and labor was calculated from the current Davis- Bacon decision (ex. Div. 3), a 10% Overhead and Profit was added to the division total at the bottom of each division for subcontractor mark-up.
B. Revit and Bluebeam were used to generate material counts for fittings, piping, fixtures, ductwork, equipment, etc. (if applicable). All modeled items are included in the cost estimate.
C. Cost adjustment factors were then applied to account for local cost variations, overtime requirements, work difficulty, contractor scheduling and management challenges and overhead and profit. The cost adjustment factors are as follows:
1. Material, Labor, and Equipment factors – taken from RS Means for Denton, TX where
VA 549A4-21-700
Bonham EHRM Infrastructure Upgrades applicable. Our estimating team will engage with local contractors to get the most up to date labor costs for the area, if possible with the information available.
2. Seismic Factor – 1%
3. Design Stage Contingency Factor – 0%
4. Premium Time Required – 30%
5. Commissioning – 5%
6. Market & Bidding Conditions Factor – 5%
7. Sub-Contractor OH&P – 10%
8. General Contractor Overhead and Profit – 6%
7. DIVISION 1 – GENERAL CONDITIONS
A. Personnel and Schedule
1. We have assumed a full-time Superintendent, full-time assistant superintendent (shift work), half-time Project Manager, Full-time General Laborer to assist in daily clean-up, flagging of construction for civil activities.
2. 14 mo. Rental of construction trailer for office and job site meetings. Assume GC can hook up to VA utilities for trailer.
3. Daily clean-up of construction dust/debris, ICRA protection as required.
4. Hoisting as required for roof access to set condensing units.
5. Critical Lead Times – At this time, due to supply chain issues across the country, we are seeing delays in most every trade. This project being mostly renovation, if not planned properly by the Construction team, could delay dramatically. We have seen some equipment delayed by 40+ weeks.
8. DIVISION 2 – EXISTING CONDITIONS
A. Demolition – TR room spaces (carpet, ceilings) B. Exterior site demolition (sidewalks, asphalt paving) C. Asbestos/Lead paint remediation
9. DIVISION 3 – CONCRETE (BUILDING ONLY)
A. Concrete for exterior duct bank
10. DIVISION 4 – MASONRY
A. N/A
11. DIVISION 5 – STEEL
A. N/A
12. DIVISION 6 – WOODS, PLASTICS AND COMPOSITES
A. Plywood sheathing for walls of TR rooms
13. DIVISION 7 – THERMAL AND MOISTURE PROTECTION
A. Firestopping of sleeves through TR room walls / floors
B. Batt insulation in wall cavities
C. Roof membrane patch for new condensing unit curbs
14. DIVISION 8 – OPENINGS
A. Doors, Frames and Hardware
15. DIVISION 9 – FINISHES
A. Framing, Drywall and Ceilings, Flooring and Painting
VA 549A4-21-700
Bonham EHRM Infrastructure Upgrades
1. Drywall
2. Ceilings (acoustical tile and gypsum board)
3. Flooring (static dissipative, vct)
4. Paint and Wall Covering
16. DIVISION 10 – SPECIALTIES
A. N/A
17. DIVISION 11 – EQUIPMENT
A. N/A
18. DIVISION 12 – FURNISHINGS
A. N/A
19. DIVISION 13 – SPECIAL CONSTRUCTION
A. N/A
20. DIVISION 14 – CONVEYING EQUIPMENT
A. N/A
21. DIVISION 21 – FIRE SUPPRESSION
A. dry type heads in TR rooms
B. clean agent system in MCR
22. DIVISION 22 – PLUMBING
A. copper piping for refrigerant
23. DIVISION 23 – HVAC
A. air-cooled condensing units for CRAC units
B. wall split-system air conditioning units and condensing units
C. condensate pumps for split-system air conditioners
D. CRAC units for MCR space
24. DIVISION 26 – ELECTRICAL
A. disconnect switches as required for new equipment
B. grounding bars for each TR room
C. new cable tray for each TR/MCR room as required
D. new panelboards as required
E. new low voltage wiring devices (receptacles, switches)
F. new power distribution units (PDU) for ea. rack
G. new UPS system for MCR room and ea. rack
H. new light fixtures as required
I. new copper busway for MCR room
25. DIVISION 27 – COMMUNICATIONS
A. new TR room build-out
B. horizontal cabling
C. fiber backbone cabling
D. ISP pathways
VA 549A4-21-700
Bonham EHRM Infrastructure Upgrades
26. DIVISION 28 – ELECTRONIC SAFETY AND SECURITY
A. card readers, electric strikes per TR room
B. new CCTV cameras per TR room
27. DIVISION 31,32 AND 33
A. trenching for ductbank
B. grading, fill, backfill as required
C. new paving replacement as required
D. new sidewalk replacment as required
E. new concrete curb and gutter as required
F. new irrigation, sod as required
G. new telecom ductbank as requred
END OPINION OF PROBABLE COST NARRATIVE
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