A07_Amendment_03__W56ZTN-17-R-0008.docx

Amendment 0003 for W56ZTN-17-R-0008 is issued to provide answers to industry-submitted questions. The closing date of the solicitation has CHANGED TO JULY 17, 2017 @ 11:59 AM Eastern Time (ET). The question period is closed. Additional QUESTIONS WILL NOT BE CONSIDERED. No telephone requests will be honored. All terms, conditions, requirements and specifications of the original solicitation remain the same.

Q3 Will the Government allow contractors to view a copy of the unidirectional flushing plan for which the Government intends to issue a FFP purchase order?

A3 YES

Q4. What type of GIS/Database system does the Government currently use at Aberdeen Proving Grounds? How is the GIS data required to be formatted by the contractor to be compatible with APG’s current GIS/Database system?

A4. APG is currently using ArcGIS ver 10.3.1 Data can be received as a File geodatabase or as shapefiles.

Q5. Are any of the following formats compatible with APG’s current GIS/Database system platform: ESRI file geodatabase, AutoCAD drawing or shape file format?

A5. See previous answer Q6. Does the Government use the AMRDEC system to exchange data files at APG?

A6. AMRDEC SafeFTP is the preferred method of receiving the data.

Q7. What method does the Government require the contractor to use in determining water usage when performing flushing services?

A7. See attached flushing plan and scope of work.

Q8. Will the Government provide a hydrant inventory listing that identifies the make, model and age of each hydrant?

A8. The Government will provide a map depicting hydrants and hydrant locations only.

Q9. If the contractor is not able to complete the unidirectional work flow in the time frame outlined in Technical Exhibit 3 Estimated Workload Data (i.e. 30 hours per week per person utilizing 3 people), will the Government compensate the contractor for the additional time?

A9. No, the time allotted is sufficient barring unforeseen conditions.

Q10. What is the purpose for flushing (i.e. iron, TTHM’s, etc…)?

A10. Remove sediment and debris from the water system by EPA standard. See Performance Work statement Q11. Does the Government have concerns for personnel due to environmental contaminates? What PPE, if any, is required to perform the work?

A11. No contaminates, standard protection for hydrant flushing.

Q12. Are the valve boxes accessible / operational? Is additional equipment required to access the valve and valve boxes?

A12. The valve boxes are accessible, some may need to be uncovered with a shovel.

Q13. Will potential contractors be able to visit the work site prior to submitting a bid?

A13. No site visits are scheduled.

Q14. The solicitation states that the “contractor shall have a certified water distribution license through Maryland Department of Environment”. What level of certification / license does the Government require?

A14. Master Plumbing License. See Amendment 0002 Update Evaluation Factors Q15 The combined synopsis/solicitation references two different submission dates: July 3, 2017 by 12:00 p.m. and June 30, 2017 by 10:00 a.m. Please confirm the correct submission date.

A15. Submission date extended to July 17, 2017 at 11:59 am Q16. How many valves are throughout the system?

A16. There are a total of 1767 valves in the Edgewood Area.

Q17. Of the 456 hydrants, how many are anticipated to need minor repair or excavation?

A17. It is underdetermined at this time.

Q18. How does the Government define minor repairs to valves and hydrants?

A18. Valve box alignment and covers.

Q19. Upon government approval, will the Government allow minor repairs to valves/hydrants to be billed SEPARATELY using a time and materials methodology?

A19. NO Work is Firm Fixed Price.

Q20. Upon government approval, will the contractor have an opportunity to perform work on hydrants requiring backhoe excavation or will the work be performed by another party?

A20. NO

Q21. If the contractor is approved to perform the work, will the Government agree to be billed SEPARATELY using a time and materials methodology?

A21. NO Work is Firm Fixed Price.

Q22. How many miles of main are part of the APG-Edgewood system?

A22. There is a total of 66.5 Miles of water line that is 6in or greater.

Q23. What is the target velocity that should be maintained during flushing?

A23. See flushing Plan.

Q24. What is the preferred method to notify customers/public of flushing? Contractor shall propose method of how to notify customer and public in proposal. Coordination of notification shall be done with the COR and the building facility manager.

Q25. How far in advance should notifications of flushing activity be publicized?

A25. Contractor shall propose method of how to notify customer and public in proposal. Coordination of notification shall be done with the COR and the building facility manager.

Q26. Are there sensitive customers such as medical/hospital services, schools, etc. that the contractor should be aware of?

A26. Mission testing Facilities all require coordination with the COR and the building facility manager.

Q27. Does the Government have a weekly target goal of sections that are to be flushed?

A27. See Flushing Plan.

Q28. Technical Exhibit 3 suggests that the field supervisor and technician (2 total) will work 30 hours per week. Will the government allow staff to work 40 hours?

A28. Government only provides minimum estimates. Contractor shall provide in proposal of manpower requirements.

Q29. Will any of the flushing activity require traffic control?

A29. Use of a Diverter to direct water flow should not affect traffic.

Q30. Will the contractor be responsible for maintaining complaint records?

A30. YES

Q31. As part of the flushing activity, will the contractor be required to report: Pressures in mains surrounding the flushing area Color, odor, etc. of water Test for chlorine, PH, etc.

A31. See flushing plan and scope of work for reporting requirements.

Q32. Will the contractor be required to take water quality samples?

A32. No Q33. What other information is anticipated to be included in the weekly reports other than water used and sections flushed.

A33. Make and year of hydrant, size, height, static pressure, flow, GPM, drain, turns to open, valve to main, Inspector, and the time it was flushed.

Q34. Reading through the scope of the work, and PWS documents, and I didn’t notice any mention of certified payroll? If Davis Bacon is in effect, could you please send me a link and or rates for Flushing project?

A34. Requirement is for Services, Service Contract Act applies. You can find prevailing rates at https://www.wdol.gov/